1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * da7219.c - DA7219 ALSA SoC Codec Driver
4 *
5 * Copyright (c) 2015 Dialog Semiconductor
6 *
7 * Author: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
8 */
9
10#include <linux/acpi.h>
11#include <linux/clk.h>
12#include <linux/clkdev.h>
13#include <linux/clk-provider.h>
14#include <linux/i2c.h>
15#include <linux/of.h>
16#include <linux/property.h>
17#include <linux/regmap.h>
18#include <linux/slab.h>
19#include <linux/pm.h>
20#include <linux/module.h>
21#include <linux/delay.h>
22#include <linux/regulator/consumer.h>
23#include <sound/pcm.h>
24#include <sound/pcm_params.h>
25#include <sound/soc.h>
26#include <sound/soc-dapm.h>
27#include <sound/initval.h>
28#include <sound/tlv.h>
29#include <asm/div64.h>
30
31#include <sound/da7219.h>
32#include "da7219.h"
33#include "da7219-aad.h"
34
35
36/*
37 * TLVs and Enums
38 */
39
40/* Input TLVs */
41static const DECLARE_TLV_DB_SCALE(da7219_mic_gain_tlv, -600, 600, 0);
42static const DECLARE_TLV_DB_SCALE(da7219_mixin_gain_tlv, -450, 150, 0);
43static const DECLARE_TLV_DB_SCALE(da7219_adc_dig_gain_tlv, -8325, 75, 0);
44static const DECLARE_TLV_DB_SCALE(da7219_alc_threshold_tlv, -9450, 150, 0);
45static const DECLARE_TLV_DB_SCALE(da7219_alc_gain_tlv, 0, 600, 0);
46static const DECLARE_TLV_DB_SCALE(da7219_alc_ana_gain_tlv, 0, 600, 0);
47static const DECLARE_TLV_DB_SCALE(da7219_sidetone_gain_tlv, -4200, 300, 0);
48static const DECLARE_TLV_DB_SCALE(da7219_tonegen_gain_tlv, -4500, 300, 0);
49
50/* Output TLVs */
51static const DECLARE_TLV_DB_SCALE(da7219_dac_eq_band_tlv, -1050, 150, 0);
52
53static const DECLARE_TLV_DB_RANGE(da7219_dac_dig_gain_tlv,
54	0x0, 0x07, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
55	/* -77.25dB to 12dB */
56	0x08, 0x7f, TLV_DB_SCALE_ITEM(-7725, 75, 0)
57);
58
59static const DECLARE_TLV_DB_SCALE(da7219_dac_ng_threshold_tlv, -10200, 600, 0);
60static const DECLARE_TLV_DB_SCALE(da7219_hp_gain_tlv, -5700, 100, 0);
61
62/* Input Enums */
63static const char * const da7219_alc_attack_rate_txt[] = {
64	"7.33/fs", "14.66/fs", "29.32/fs", "58.64/fs", "117.3/fs", "234.6/fs",
65	"469.1/fs", "938.2/fs", "1876/fs", "3753/fs", "7506/fs", "15012/fs",
66	"30024/fs"
67};
68
69static const struct soc_enum da7219_alc_attack_rate =
70	SOC_ENUM_SINGLE(DA7219_ALC_CTRL2, DA7219_ALC_ATTACK_SHIFT,
71			DA7219_ALC_ATTACK_MAX, da7219_alc_attack_rate_txt);
72
73static const char * const da7219_alc_release_rate_txt[] = {
74	"28.66/fs", "57.33/fs", "114.6/fs", "229.3/fs", "458.6/fs", "917.1/fs",
75	"1834/fs", "3668/fs", "7337/fs", "14674/fs", "29348/fs"
76};
77
78static const struct soc_enum da7219_alc_release_rate =
79	SOC_ENUM_SINGLE(DA7219_ALC_CTRL2, DA7219_ALC_RELEASE_SHIFT,
80			DA7219_ALC_RELEASE_MAX, da7219_alc_release_rate_txt);
81
82static const char * const da7219_alc_hold_time_txt[] = {
83	"62/fs", "124/fs", "248/fs", "496/fs", "992/fs", "1984/fs", "3968/fs",
84	"7936/fs", "15872/fs", "31744/fs", "63488/fs", "126976/fs",
85	"253952/fs", "507904/fs", "1015808/fs", "2031616/fs"
86};
87
88static const struct soc_enum da7219_alc_hold_time =
89	SOC_ENUM_SINGLE(DA7219_ALC_CTRL3, DA7219_ALC_HOLD_SHIFT,
90			DA7219_ALC_HOLD_MAX, da7219_alc_hold_time_txt);
91
92static const char * const da7219_alc_env_rate_txt[] = {
93	"1/4", "1/16", "1/256", "1/65536"
94};
95
96static const struct soc_enum da7219_alc_env_attack_rate =
97	SOC_ENUM_SINGLE(DA7219_ALC_CTRL3, DA7219_ALC_INTEG_ATTACK_SHIFT,
98			DA7219_ALC_INTEG_MAX, da7219_alc_env_rate_txt);
99
100static const struct soc_enum da7219_alc_env_release_rate =
101	SOC_ENUM_SINGLE(DA7219_ALC_CTRL3, DA7219_ALC_INTEG_RELEASE_SHIFT,
102			DA7219_ALC_INTEG_MAX, da7219_alc_env_rate_txt);
103
104static const char * const da7219_alc_anticlip_step_txt[] = {
105	"0.034dB/fs", "0.068dB/fs", "0.136dB/fs", "0.272dB/fs"
106};
107
108static const struct soc_enum da7219_alc_anticlip_step =
109	SOC_ENUM_SINGLE(DA7219_ALC_ANTICLIP_CTRL,
110			DA7219_ALC_ANTICLIP_STEP_SHIFT,
111			DA7219_ALC_ANTICLIP_STEP_MAX,
112			da7219_alc_anticlip_step_txt);
113
114/* Input/Output Enums */
115static const char * const da7219_gain_ramp_rate_txt[] = {
116	"Nominal Rate * 8", "Nominal Rate", "Nominal Rate / 8",
117	"Nominal Rate / 16"
118};
119
120static const struct soc_enum da7219_gain_ramp_rate =
121	SOC_ENUM_SINGLE(DA7219_GAIN_RAMP_CTRL, DA7219_GAIN_RAMP_RATE_SHIFT,
122			DA7219_GAIN_RAMP_RATE_MAX, da7219_gain_ramp_rate_txt);
123
124static const char * const da7219_hpf_mode_txt[] = {
125	"Disabled", "Audio", "Voice"
126};
127
128static const unsigned int da7219_hpf_mode_val[] = {
129	DA7219_HPF_DISABLED, DA7219_HPF_AUDIO_EN, DA7219_HPF_VOICE_EN,
130};
131
132static const struct soc_enum da7219_adc_hpf_mode =
133	SOC_VALUE_ENUM_SINGLE(DA7219_ADC_FILTERS1, DA7219_HPF_MODE_SHIFT,
134			      DA7219_HPF_MODE_MASK, DA7219_HPF_MODE_MAX,
135			      da7219_hpf_mode_txt, da7219_hpf_mode_val);
136
137static const struct soc_enum da7219_dac_hpf_mode =
138	SOC_VALUE_ENUM_SINGLE(DA7219_DAC_FILTERS1, DA7219_HPF_MODE_SHIFT,
139			      DA7219_HPF_MODE_MASK, DA7219_HPF_MODE_MAX,
140			      da7219_hpf_mode_txt, da7219_hpf_mode_val);
141
142static const char * const da7219_audio_hpf_corner_txt[] = {
143	"2Hz", "4Hz", "8Hz", "16Hz"
144};
145
146static const struct soc_enum da7219_adc_audio_hpf_corner =
147	SOC_ENUM_SINGLE(DA7219_ADC_FILTERS1,
148			DA7219_ADC_AUDIO_HPF_CORNER_SHIFT,
149			DA7219_AUDIO_HPF_CORNER_MAX,
150			da7219_audio_hpf_corner_txt);
151
152static const struct soc_enum da7219_dac_audio_hpf_corner =
153	SOC_ENUM_SINGLE(DA7219_DAC_FILTERS1,
154			DA7219_DAC_AUDIO_HPF_CORNER_SHIFT,
155			DA7219_AUDIO_HPF_CORNER_MAX,
156			da7219_audio_hpf_corner_txt);
157
158static const char * const da7219_voice_hpf_corner_txt[] = {
159	"2.5Hz", "25Hz", "50Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz"
160};
161
162static const struct soc_enum da7219_adc_voice_hpf_corner =
163	SOC_ENUM_SINGLE(DA7219_ADC_FILTERS1,
164			DA7219_ADC_VOICE_HPF_CORNER_SHIFT,
165			DA7219_VOICE_HPF_CORNER_MAX,
166			da7219_voice_hpf_corner_txt);
167
168static const struct soc_enum da7219_dac_voice_hpf_corner =
169	SOC_ENUM_SINGLE(DA7219_DAC_FILTERS1,
170			DA7219_DAC_VOICE_HPF_CORNER_SHIFT,
171			DA7219_VOICE_HPF_CORNER_MAX,
172			da7219_voice_hpf_corner_txt);
173
174static const char * const da7219_tonegen_dtmf_key_txt[] = {
175	"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D",
176	"*", "#"
177};
178
179static const struct soc_enum da7219_tonegen_dtmf_key =
180	SOC_ENUM_SINGLE(DA7219_TONE_GEN_CFG1, DA7219_DTMF_REG_SHIFT,
181			DA7219_DTMF_REG_MAX, da7219_tonegen_dtmf_key_txt);
182
183static const char * const da7219_tonegen_swg_sel_txt[] = {
184	"Sum", "SWG1", "SWG2", "SWG1_1-Cos"
185};
186
187static const struct soc_enum da7219_tonegen_swg_sel =
188	SOC_ENUM_SINGLE(DA7219_TONE_GEN_CFG2, DA7219_SWG_SEL_SHIFT,
189			DA7219_SWG_SEL_MAX, da7219_tonegen_swg_sel_txt);
190
191/* Output Enums */
192static const char * const da7219_dac_softmute_rate_txt[] = {
193	"1 Sample", "2 Samples", "4 Samples", "8 Samples", "16 Samples",
194	"32 Samples", "64 Samples"
195};
196
197static const struct soc_enum da7219_dac_softmute_rate =
198	SOC_ENUM_SINGLE(DA7219_DAC_FILTERS5, DA7219_DAC_SOFTMUTE_RATE_SHIFT,
199			DA7219_DAC_SOFTMUTE_RATE_MAX,
200			da7219_dac_softmute_rate_txt);
201
202static const char * const da7219_dac_ng_setup_time_txt[] = {
203	"256 Samples", "512 Samples", "1024 Samples", "2048 Samples"
204};
205
206static const struct soc_enum da7219_dac_ng_setup_time =
207	SOC_ENUM_SINGLE(DA7219_DAC_NG_SETUP_TIME,
208			DA7219_DAC_NG_SETUP_TIME_SHIFT,
209			DA7219_DAC_NG_SETUP_TIME_MAX,
210			da7219_dac_ng_setup_time_txt);
211
212static const char * const da7219_dac_ng_rampup_txt[] = {
213	"0.22ms/dB", "0.0138ms/dB"
214};
215
216static const struct soc_enum da7219_dac_ng_rampup_rate =
217	SOC_ENUM_SINGLE(DA7219_DAC_NG_SETUP_TIME,
218			DA7219_DAC_NG_RAMPUP_RATE_SHIFT,
219			DA7219_DAC_NG_RAMP_RATE_MAX,
220			da7219_dac_ng_rampup_txt);
221
222static const char * const da7219_dac_ng_rampdown_txt[] = {
223	"0.88ms/dB", "14.08ms/dB"
224};
225
226static const struct soc_enum da7219_dac_ng_rampdown_rate =
227	SOC_ENUM_SINGLE(DA7219_DAC_NG_SETUP_TIME,
228			DA7219_DAC_NG_RAMPDN_RATE_SHIFT,
229			DA7219_DAC_NG_RAMP_RATE_MAX,
230			da7219_dac_ng_rampdown_txt);
231
232
233static const char * const da7219_cp_track_mode_txt[] = {
234	"Largest Volume", "DAC Volume", "Signal Magnitude"
235};
236
237static const unsigned int da7219_cp_track_mode_val[] = {
238	DA7219_CP_MCHANGE_LARGEST_VOL, DA7219_CP_MCHANGE_DAC_VOL,
239	DA7219_CP_MCHANGE_SIG_MAG
240};
241
242static const struct soc_enum da7219_cp_track_mode =
243	SOC_VALUE_ENUM_SINGLE(DA7219_CP_CTRL, DA7219_CP_MCHANGE_SHIFT,
244			      DA7219_CP_MCHANGE_REL_MASK, DA7219_CP_MCHANGE_MAX,
245			      da7219_cp_track_mode_txt,
246			      da7219_cp_track_mode_val);
247
248
249/*
250 * Control Functions
251 */
252
253/* Locked Kcontrol calls */
254static int da7219_volsw_locked_get(struct snd_kcontrol *kcontrol,
255				   struct snd_ctl_elem_value *ucontrol)
256{
257	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
258	struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
259	int ret;
260
261	mutex_lock(&da7219->ctrl_lock);
262	ret = snd_soc_get_volsw(kcontrol, ucontrol);
263	mutex_unlock(&da7219->ctrl_lock);
264
265	return ret;
266}
267
268static int da7219_volsw_locked_put(struct snd_kcontrol *kcontrol,
269				   struct snd_ctl_elem_value *ucontrol)
270{
271	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
272	struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
273	int ret;
274
275	mutex_lock(&da7219->ctrl_lock);
276	ret = snd_soc_put_volsw(kcontrol, ucontrol);
277	mutex_unlock(&da7219->ctrl_lock);
278
279	return ret;
280}
281
282static int da7219_enum_locked_get(struct snd_kcontrol *kcontrol,
283				struct snd_ctl_elem_value *ucontrol)
284{
285	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
286	struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
287	int ret;
288
289	mutex_lock(&da7219->ctrl_lock);
290	ret = snd_soc_get_enum_double(kcontrol, ucontrol);
291	mutex_unlock(&da7219->ctrl_lock);
292
293	return ret;
294}
295
296static int da7219_enum_locked_put(struct snd_kcontrol *kcontrol,
297				struct snd_ctl_elem_value *ucontrol)
298{
299	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
300	struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
301	int ret;
302
303	mutex_lock(&da7219->ctrl_lock);
304	ret = snd_soc_put_enum_double(kcontrol, ucontrol);
305	mutex_unlock(&da7219->ctrl_lock);
306
307	return ret;
308}
309
310/* ALC */
311static void da7219_alc_calib(struct snd_soc_component *component)
312{
313	u8 mic_ctrl, mixin_ctrl, adc_ctrl, calib_ctrl;
314
315	/* Save current state of mic control register */
316	mic_ctrl = snd_soc_component_read(component, DA7219_MIC_1_CTRL);
317
318	/* Save current state of input mixer control register */
319	mixin_ctrl = snd_soc_component_read(component, DA7219_MIXIN_L_CTRL);
320
321	/* Save current state of input ADC control register */
322	adc_ctrl = snd_soc_component_read(component, DA7219_ADC_L_CTRL);
323
324	/* Enable then Mute MIC PGAs */
325	snd_soc_component_update_bits(component, DA7219_MIC_1_CTRL, DA7219_MIC_1_AMP_EN_MASK,
326			    DA7219_MIC_1_AMP_EN_MASK);
327	snd_soc_component_update_bits(component, DA7219_MIC_1_CTRL,
328			    DA7219_MIC_1_AMP_MUTE_EN_MASK,
329			    DA7219_MIC_1_AMP_MUTE_EN_MASK);
330
331	/* Enable input mixers unmuted */
332	snd_soc_component_update_bits(component, DA7219_MIXIN_L_CTRL,
333			    DA7219_MIXIN_L_AMP_EN_MASK |
334			    DA7219_MIXIN_L_AMP_MUTE_EN_MASK,
335			    DA7219_MIXIN_L_AMP_EN_MASK);
336
337	/* Enable input filters unmuted */
338	snd_soc_component_update_bits(component, DA7219_ADC_L_CTRL,
339			    DA7219_ADC_L_MUTE_EN_MASK | DA7219_ADC_L_EN_MASK,
340			    DA7219_ADC_L_EN_MASK);
341
342	/* Perform auto calibration */
343	snd_soc_component_update_bits(component, DA7219_ALC_CTRL1,
344			    DA7219_ALC_AUTO_CALIB_EN_MASK,
345			    DA7219_ALC_AUTO_CALIB_EN_MASK);
346	do {
347		calib_ctrl = snd_soc_component_read(component, DA7219_ALC_CTRL1);
348	} while (calib_ctrl & DA7219_ALC_AUTO_CALIB_EN_MASK);
349
350	/* If auto calibration fails, disable DC offset, hybrid ALC */
351	if (calib_ctrl & DA7219_ALC_CALIB_OVERFLOW_MASK) {
352		dev_warn(component->dev,
353			 "ALC auto calibration failed with overflow\n");
354		snd_soc_component_update_bits(component, DA7219_ALC_CTRL1,
355				    DA7219_ALC_OFFSET_EN_MASK |
356				    DA7219_ALC_SYNC_MODE_MASK, 0);
357	} else {
358		/* Enable DC offset cancellation, hybrid mode */
359		snd_soc_component_update_bits(component, DA7219_ALC_CTRL1,
360				    DA7219_ALC_OFFSET_EN_MASK |
361				    DA7219_ALC_SYNC_MODE_MASK,
362				    DA7219_ALC_OFFSET_EN_MASK |
363				    DA7219_ALC_SYNC_MODE_MASK);
364	}
365
366	/* Restore input filter control register to original state */
367	snd_soc_component_write(component, DA7219_ADC_L_CTRL, adc_ctrl);
368
369	/* Restore input mixer control registers to original state */
370	snd_soc_component_write(component, DA7219_MIXIN_L_CTRL, mixin_ctrl);
371
372	/* Restore MIC control registers to original states */
373	snd_soc_component_write(component, DA7219_MIC_1_CTRL, mic_ctrl);
374}
375
376static int da7219_mixin_gain_put(struct snd_kcontrol *kcontrol,
377				 struct snd_ctl_elem_value *ucontrol)
378{
379	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
380	struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
381	int ret;
382
383	ret = snd_soc_put_volsw(kcontrol, ucontrol);
384
385	/*
386	 * If ALC in operation and value of control has been updated,
387	 * make sure calibrated offsets are updated.
388	 */
389	if ((ret == 1) && (da7219->alc_en))
390		da7219_alc_calib(component);
391
392	return ret;
393}
394
395static int da7219_alc_sw_put(struct snd_kcontrol *kcontrol,
396			     struct snd_ctl_elem_value *ucontrol)
397{
398	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
399	struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
400
401
402	/* Force ALC offset calibration if enabling ALC */
403	if ((ucontrol->value.integer.value[0]) && (!da7219->alc_en)) {
404		da7219_alc_calib(component);
405		da7219->alc_en = true;
406	} else {
407		da7219->alc_en = false;
408	}
409
410	return snd_soc_put_volsw(kcontrol, ucontrol);
411}
412
413/* ToneGen */
414static int da7219_tonegen_freq_get(struct snd_kcontrol *kcontrol,
415				   struct snd_ctl_elem_value *ucontrol)
416{
417	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
418	struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
419	struct soc_mixer_control *mixer_ctrl =
420		(struct soc_mixer_control *) kcontrol->private_value;
421	unsigned int reg = mixer_ctrl->reg;
422	__le16 val;
423	int ret;
424
425	mutex_lock(&da7219->ctrl_lock);
426	ret = regmap_raw_read(da7219->regmap, reg, &val, sizeof(val));
427	mutex_unlock(&da7219->ctrl_lock);
428
429	if (ret)
430		return ret;
431
432	/*
433	 * Frequency value spans two 8-bit registers, lower then upper byte.
434	 * Therefore we need to convert to host endianness here.
435	 */
436	ucontrol->value.integer.value[0] = le16_to_cpu(val);
437
438	return 0;
439}
440
441static int da7219_tonegen_freq_put(struct snd_kcontrol *kcontrol,
442				   struct snd_ctl_elem_value *ucontrol)
443{
444	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
445	struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
446	struct soc_mixer_control *mixer_ctrl =
447		(struct soc_mixer_control *) kcontrol->private_value;
448	unsigned int reg = mixer_ctrl->reg;
449	__le16 val_new, val_old;
450	int ret;
451
452	/*
453	 * Frequency value spans two 8-bit registers, lower then upper byte.
454	 * Therefore we need to convert to little endian here to align with
455	 * HW registers.
456	 */
457	val_new = cpu_to_le16(ucontrol->value.integer.value[0]);
458
459	mutex_lock(&da7219->ctrl_lock);
460	ret = regmap_raw_read(da7219->regmap, reg, &val_old, sizeof(val_old));
461	if (ret == 0 && (val_old != val_new))
462		ret = regmap_raw_write(da7219->regmap, reg,
463				&val_new, sizeof(val_new));
464	mutex_unlock(&da7219->ctrl_lock);
465
466	if (ret < 0)
467		return ret;
468
469	return val_old != val_new;
470}
471
472
473/*
474 * KControls
475 */
476
477static const struct snd_kcontrol_new da7219_snd_controls[] = {
478	/* Mics */
479	SOC_SINGLE_TLV("Mic Volume", DA7219_MIC_1_GAIN,
480		       DA7219_MIC_1_AMP_GAIN_SHIFT, DA7219_MIC_1_AMP_GAIN_MAX,
481		       DA7219_NO_INVERT, da7219_mic_gain_tlv),
482	SOC_SINGLE("Mic Switch", DA7219_MIC_1_CTRL,
483		   DA7219_MIC_1_AMP_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
484		   DA7219_INVERT),
485
486	/* Mixer Input */
487	SOC_SINGLE_EXT_TLV("Mixin Volume", DA7219_MIXIN_L_GAIN,
488			   DA7219_MIXIN_L_AMP_GAIN_SHIFT,
489			   DA7219_MIXIN_L_AMP_GAIN_MAX, DA7219_NO_INVERT,
490			   snd_soc_get_volsw, da7219_mixin_gain_put,
491			   da7219_mixin_gain_tlv),
492	SOC_SINGLE("Mixin Switch", DA7219_MIXIN_L_CTRL,
493		   DA7219_MIXIN_L_AMP_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
494		   DA7219_INVERT),
495	SOC_SINGLE("Mixin Gain Ramp Switch", DA7219_MIXIN_L_CTRL,
496		   DA7219_MIXIN_L_AMP_RAMP_EN_SHIFT, DA7219_SWITCH_EN_MAX,
497		   DA7219_NO_INVERT),
498	SOC_SINGLE("Mixin ZC Gain Switch", DA7219_MIXIN_L_CTRL,
499		   DA7219_MIXIN_L_AMP_ZC_EN_SHIFT, DA7219_SWITCH_EN_MAX,
500		   DA7219_NO_INVERT),
501
502	/* ADC */
503	SOC_SINGLE_TLV("Capture Digital Volume", DA7219_ADC_L_GAIN,
504		       DA7219_ADC_L_DIGITAL_GAIN_SHIFT,
505		       DA7219_ADC_L_DIGITAL_GAIN_MAX, DA7219_NO_INVERT,
506		       da7219_adc_dig_gain_tlv),
507	SOC_SINGLE("Capture Digital Switch", DA7219_ADC_L_CTRL,
508		   DA7219_ADC_L_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
509		   DA7219_INVERT),
510	SOC_SINGLE("Capture Digital Gain Ramp Switch", DA7219_ADC_L_CTRL,
511		   DA7219_ADC_L_RAMP_EN_SHIFT, DA7219_SWITCH_EN_MAX,
512		   DA7219_NO_INVERT),
513
514	/* ALC */
515	SOC_ENUM("ALC Attack Rate", da7219_alc_attack_rate),
516	SOC_ENUM("ALC Release Rate", da7219_alc_release_rate),
517	SOC_ENUM("ALC Hold Time", da7219_alc_hold_time),
518	SOC_ENUM("ALC Envelope Attack Rate", da7219_alc_env_attack_rate),
519	SOC_ENUM("ALC Envelope Release Rate", da7219_alc_env_release_rate),
520	SOC_SINGLE_TLV("ALC Noise Threshold", DA7219_ALC_NOISE,
521		       DA7219_ALC_NOISE_SHIFT, DA7219_ALC_THRESHOLD_MAX,
522		       DA7219_INVERT, da7219_alc_threshold_tlv),
523	SOC_SINGLE_TLV("ALC Min Threshold", DA7219_ALC_TARGET_MIN,
524		       DA7219_ALC_THRESHOLD_MIN_SHIFT, DA7219_ALC_THRESHOLD_MAX,
525		       DA7219_INVERT, da7219_alc_threshold_tlv),
526	SOC_SINGLE_TLV("ALC Max Threshold", DA7219_ALC_TARGET_MAX,
527		       DA7219_ALC_THRESHOLD_MAX_SHIFT, DA7219_ALC_THRESHOLD_MAX,
528		       DA7219_INVERT, da7219_alc_threshold_tlv),
529	SOC_SINGLE_TLV("ALC Max Attenuation", DA7219_ALC_GAIN_LIMITS,
530		       DA7219_ALC_ATTEN_MAX_SHIFT, DA7219_ALC_ATTEN_GAIN_MAX,
531		       DA7219_NO_INVERT, da7219_alc_gain_tlv),
532	SOC_SINGLE_TLV("ALC Max Volume", DA7219_ALC_GAIN_LIMITS,
533		       DA7219_ALC_GAIN_MAX_SHIFT, DA7219_ALC_ATTEN_GAIN_MAX,
534		       DA7219_NO_INVERT, da7219_alc_gain_tlv),
535	SOC_SINGLE_RANGE_TLV("ALC Min Analog Volume", DA7219_ALC_ANA_GAIN_LIMITS,
536			     DA7219_ALC_ANA_GAIN_MIN_SHIFT,
537			     DA7219_ALC_ANA_GAIN_MIN, DA7219_ALC_ANA_GAIN_MAX,
538			     DA7219_NO_INVERT, da7219_alc_ana_gain_tlv),
539	SOC_SINGLE_RANGE_TLV("ALC Max Analog Volume", DA7219_ALC_ANA_GAIN_LIMITS,
540			     DA7219_ALC_ANA_GAIN_MAX_SHIFT,
541			     DA7219_ALC_ANA_GAIN_MIN, DA7219_ALC_ANA_GAIN_MAX,
542			     DA7219_NO_INVERT, da7219_alc_ana_gain_tlv),
543	SOC_ENUM("ALC Anticlip Step", da7219_alc_anticlip_step),
544	SOC_SINGLE("ALC Anticlip Switch", DA7219_ALC_ANTICLIP_CTRL,
545		   DA7219_ALC_ANTIPCLIP_EN_SHIFT, DA7219_SWITCH_EN_MAX,
546		   DA7219_NO_INVERT),
547	SOC_SINGLE_EXT("ALC Switch", DA7219_ALC_CTRL1, DA7219_ALC_EN_SHIFT,
548		       DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT,
549		       snd_soc_get_volsw, da7219_alc_sw_put),
550
551	/* Input High-Pass Filters */
552	SOC_ENUM("ADC HPF Mode", da7219_adc_hpf_mode),
553	SOC_ENUM("ADC HPF Corner Audio", da7219_adc_audio_hpf_corner),
554	SOC_ENUM("ADC HPF Corner Voice", da7219_adc_voice_hpf_corner),
555
556	/* Sidetone Filter */
557	SOC_SINGLE_TLV("Sidetone Volume", DA7219_SIDETONE_GAIN,
558		       DA7219_SIDETONE_GAIN_SHIFT, DA7219_SIDETONE_GAIN_MAX,
559		       DA7219_NO_INVERT, da7219_sidetone_gain_tlv),
560	SOC_SINGLE("Sidetone Switch", DA7219_SIDETONE_CTRL,
561		   DA7219_SIDETONE_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
562		   DA7219_INVERT),
563
564	/* Tone Generator */
565	SOC_SINGLE_EXT_TLV("ToneGen Volume", DA7219_TONE_GEN_CFG2,
566			   DA7219_TONE_GEN_GAIN_SHIFT, DA7219_TONE_GEN_GAIN_MAX,
567			   DA7219_NO_INVERT, da7219_volsw_locked_get,
568			   da7219_volsw_locked_put, da7219_tonegen_gain_tlv),
569	SOC_ENUM_EXT("ToneGen DTMF Key", da7219_tonegen_dtmf_key,
570		     da7219_enum_locked_get, da7219_enum_locked_put),
571	SOC_SINGLE_EXT("ToneGen DTMF Switch", DA7219_TONE_GEN_CFG1,
572		       DA7219_DTMF_EN_SHIFT, DA7219_SWITCH_EN_MAX,
573		       DA7219_NO_INVERT, da7219_volsw_locked_get,
574		       da7219_volsw_locked_put),
575	SOC_ENUM_EXT("ToneGen Sinewave Gen Type", da7219_tonegen_swg_sel,
576		     da7219_enum_locked_get, da7219_enum_locked_put),
577	SOC_SINGLE_EXT("ToneGen Sinewave1 Freq", DA7219_TONE_GEN_FREQ1_L,
578		       DA7219_FREQ1_L_SHIFT, DA7219_FREQ_MAX, DA7219_NO_INVERT,
579		       da7219_tonegen_freq_get, da7219_tonegen_freq_put),
580	SOC_SINGLE_EXT("ToneGen Sinewave2 Freq", DA7219_TONE_GEN_FREQ2_L,
581		       DA7219_FREQ2_L_SHIFT, DA7219_FREQ_MAX, DA7219_NO_INVERT,
582		       da7219_tonegen_freq_get, da7219_tonegen_freq_put),
583	SOC_SINGLE_EXT("ToneGen On Time", DA7219_TONE_GEN_ON_PER,
584		       DA7219_BEEP_ON_PER_SHIFT, DA7219_BEEP_ON_OFF_MAX,
585		       DA7219_NO_INVERT, da7219_volsw_locked_get,
586		       da7219_volsw_locked_put),
587	SOC_SINGLE("ToneGen Off Time", DA7219_TONE_GEN_OFF_PER,
588		   DA7219_BEEP_OFF_PER_SHIFT, DA7219_BEEP_ON_OFF_MAX,
589		   DA7219_NO_INVERT),
590
591	/* Gain ramping */
592	SOC_ENUM("Gain Ramp Rate", da7219_gain_ramp_rate),
593
594	/* DAC High-Pass Filter */
595	SOC_ENUM_EXT("DAC HPF Mode", da7219_dac_hpf_mode,
596		     da7219_enum_locked_get, da7219_enum_locked_put),
597	SOC_ENUM("DAC HPF Corner Audio", da7219_dac_audio_hpf_corner),
598	SOC_ENUM("DAC HPF Corner Voice", da7219_dac_voice_hpf_corner),
599
600	/* DAC 5-Band Equaliser */
601	SOC_SINGLE_TLV("DAC EQ Band1 Volume", DA7219_DAC_FILTERS2,
602		       DA7219_DAC_EQ_BAND1_SHIFT, DA7219_DAC_EQ_BAND_MAX,
603		       DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
604	SOC_SINGLE_TLV("DAC EQ Band2 Volume", DA7219_DAC_FILTERS2,
605		       DA7219_DAC_EQ_BAND2_SHIFT, DA7219_DAC_EQ_BAND_MAX,
606		       DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
607	SOC_SINGLE_TLV("DAC EQ Band3 Volume", DA7219_DAC_FILTERS3,
608		       DA7219_DAC_EQ_BAND3_SHIFT, DA7219_DAC_EQ_BAND_MAX,
609		       DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
610	SOC_SINGLE_TLV("DAC EQ Band4 Volume", DA7219_DAC_FILTERS3,
611		       DA7219_DAC_EQ_BAND4_SHIFT, DA7219_DAC_EQ_BAND_MAX,
612		       DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
613	SOC_SINGLE_TLV("DAC EQ Band5 Volume", DA7219_DAC_FILTERS4,
614		       DA7219_DAC_EQ_BAND5_SHIFT, DA7219_DAC_EQ_BAND_MAX,
615		       DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
616	SOC_SINGLE_EXT("DAC EQ Switch", DA7219_DAC_FILTERS4,
617		       DA7219_DAC_EQ_EN_SHIFT, DA7219_SWITCH_EN_MAX,
618		       DA7219_NO_INVERT, da7219_volsw_locked_get,
619		       da7219_volsw_locked_put),
620
621	/* DAC Softmute */
622	SOC_ENUM("DAC Soft Mute Rate", da7219_dac_softmute_rate),
623	SOC_SINGLE_EXT("DAC Soft Mute Switch", DA7219_DAC_FILTERS5,
624		       DA7219_DAC_SOFTMUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
625		       DA7219_NO_INVERT, da7219_volsw_locked_get,
626		       da7219_volsw_locked_put),
627
628	/* DAC Noise Gate */
629	SOC_ENUM("DAC NG Setup Time", da7219_dac_ng_setup_time),
630	SOC_ENUM("DAC NG Rampup Rate", da7219_dac_ng_rampup_rate),
631	SOC_ENUM("DAC NG Rampdown Rate", da7219_dac_ng_rampdown_rate),
632	SOC_SINGLE_TLV("DAC NG Off Threshold", DA7219_DAC_NG_OFF_THRESH,
633		       DA7219_DAC_NG_OFF_THRESHOLD_SHIFT,
634		       DA7219_DAC_NG_THRESHOLD_MAX, DA7219_NO_INVERT,
635		       da7219_dac_ng_threshold_tlv),
636	SOC_SINGLE_TLV("DAC NG On Threshold", DA7219_DAC_NG_ON_THRESH,
637		       DA7219_DAC_NG_ON_THRESHOLD_SHIFT,
638		       DA7219_DAC_NG_THRESHOLD_MAX, DA7219_NO_INVERT,
639		       da7219_dac_ng_threshold_tlv),
640	SOC_SINGLE("DAC NG Switch", DA7219_DAC_NG_CTRL, DA7219_DAC_NG_EN_SHIFT,
641		   DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
642
643	/* DACs */
644	SOC_DOUBLE_R_EXT_TLV("Playback Digital Volume", DA7219_DAC_L_GAIN,
645			     DA7219_DAC_R_GAIN, DA7219_DAC_L_DIGITAL_GAIN_SHIFT,
646			     DA7219_DAC_DIGITAL_GAIN_MAX, DA7219_NO_INVERT,
647			     da7219_volsw_locked_get, da7219_volsw_locked_put,
648			     da7219_dac_dig_gain_tlv),
649	SOC_DOUBLE_R_EXT("Playback Digital Switch", DA7219_DAC_L_CTRL,
650			 DA7219_DAC_R_CTRL, DA7219_DAC_L_MUTE_EN_SHIFT,
651			 DA7219_SWITCH_EN_MAX, DA7219_INVERT,
652			 da7219_volsw_locked_get, da7219_volsw_locked_put),
653	SOC_DOUBLE_R("Playback Digital Gain Ramp Switch", DA7219_DAC_L_CTRL,
654		     DA7219_DAC_R_CTRL, DA7219_DAC_L_RAMP_EN_SHIFT,
655		     DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
656
657	/* CP */
658	SOC_ENUM("Charge Pump Track Mode", da7219_cp_track_mode),
659	SOC_SINGLE("Charge Pump Threshold", DA7219_CP_VOL_THRESHOLD1,
660		   DA7219_CP_THRESH_VDD2_SHIFT, DA7219_CP_THRESH_VDD2_MAX,
661		   DA7219_NO_INVERT),
662
663	/* Headphones */
664	SOC_DOUBLE_R_EXT_TLV("Headphone Volume", DA7219_HP_L_GAIN,
665			     DA7219_HP_R_GAIN, DA7219_HP_L_AMP_GAIN_SHIFT,
666			     DA7219_HP_AMP_GAIN_MAX, DA7219_NO_INVERT,
667			     da7219_volsw_locked_get, da7219_volsw_locked_put,
668			     da7219_hp_gain_tlv),
669	SOC_DOUBLE_R_EXT("Headphone Switch", DA7219_HP_L_CTRL, DA7219_HP_R_CTRL,
670			 DA7219_HP_L_AMP_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
671			 DA7219_INVERT, da7219_volsw_locked_get,
672			 da7219_volsw_locked_put),
673	SOC_DOUBLE_R("Headphone Gain Ramp Switch", DA7219_HP_L_CTRL,
674		     DA7219_HP_R_CTRL, DA7219_HP_L_AMP_RAMP_EN_SHIFT,
675		     DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
676	SOC_DOUBLE_R("Headphone ZC Gain Switch", DA7219_HP_L_CTRL,
677		     DA7219_HP_R_CTRL, DA7219_HP_L_AMP_ZC_EN_SHIFT,
678		     DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
679};
680
681
682/*
683 * DAPM Mux Controls
684 */
685
686static const char * const da7219_out_sel_txt[] = {
687	"ADC", "Tone Generator", "DAIL", "DAIR"
688};
689
690static const struct soc_enum da7219_out_dail_sel =
691	SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAI,
692			DA7219_DAI_L_SRC_SHIFT,
693			DA7219_OUT_SRC_MAX,
694			da7219_out_sel_txt);
695
696static const struct snd_kcontrol_new da7219_out_dail_sel_mux =
697	SOC_DAPM_ENUM("Out DAIL Mux", da7219_out_dail_sel);
698
699static const struct soc_enum da7219_out_dair_sel =
700	SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAI,
701			DA7219_DAI_R_SRC_SHIFT,
702			DA7219_OUT_SRC_MAX,
703			da7219_out_sel_txt);
704
705static const struct snd_kcontrol_new da7219_out_dair_sel_mux =
706	SOC_DAPM_ENUM("Out DAIR Mux", da7219_out_dair_sel);
707
708static const struct soc_enum da7219_out_dacl_sel =
709	SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAC,
710			DA7219_DAC_L_SRC_SHIFT,
711			DA7219_OUT_SRC_MAX,
712			da7219_out_sel_txt);
713
714static const struct snd_kcontrol_new da7219_out_dacl_sel_mux =
715	SOC_DAPM_ENUM("Out DACL Mux", da7219_out_dacl_sel);
716
717static const struct soc_enum da7219_out_dacr_sel =
718	SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAC,
719			DA7219_DAC_R_SRC_SHIFT,
720			DA7219_OUT_SRC_MAX,
721			da7219_out_sel_txt);
722
723static const struct snd_kcontrol_new da7219_out_dacr_sel_mux =
724	SOC_DAPM_ENUM("Out DACR Mux", da7219_out_dacr_sel);
725
726
727/*
728 * DAPM Mixer Controls
729 */
730
731static const struct snd_kcontrol_new da7219_mixin_controls[] = {
732	SOC_DAPM_SINGLE("Mic Switch", DA7219_MIXIN_L_SELECT,
733			DA7219_MIXIN_L_MIX_SELECT_SHIFT,
734			DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
735};
736
737static const struct snd_kcontrol_new da7219_mixout_l_controls[] = {
738	SOC_DAPM_SINGLE("DACL Switch", DA7219_MIXOUT_L_SELECT,
739			DA7219_MIXOUT_L_MIX_SELECT_SHIFT,
740			DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
741};
742
743static const struct snd_kcontrol_new da7219_mixout_r_controls[] = {
744	SOC_DAPM_SINGLE("DACR Switch", DA7219_MIXOUT_R_SELECT,
745			DA7219_MIXOUT_R_MIX_SELECT_SHIFT,
746			DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
747};
748
749#define DA7219_DMIX_ST_CTRLS(reg)					\
750	SOC_DAPM_SINGLE("Out FilterL Switch", reg,			\
751			DA7219_DMIX_ST_SRC_OUTFILT1L_SHIFT,		\
752			DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),	\
753	SOC_DAPM_SINGLE("Out FilterR Switch", reg,			\
754			DA7219_DMIX_ST_SRC_OUTFILT1R_SHIFT,		\
755			DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),	\
756	SOC_DAPM_SINGLE("Sidetone Switch", reg,				\
757			DA7219_DMIX_ST_SRC_SIDETONE_SHIFT,		\
758			DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT)		\
759
760static const struct snd_kcontrol_new da7219_st_out_filtl_mix_controls[] = {
761	DA7219_DMIX_ST_CTRLS(DA7219_DROUTING_ST_OUTFILT_1L),
762};
763
764static const struct snd_kcontrol_new da7219_st_out_filtr_mix_controls[] = {
765	DA7219_DMIX_ST_CTRLS(DA7219_DROUTING_ST_OUTFILT_1R),
766};
767
768
769/*
770 * DAPM Events
771 */
772
773static int da7219_mic_pga_event(struct snd_soc_dapm_widget *w,
774				struct snd_kcontrol *kcontrol, int event)
775{
776	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
777	struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
778
779	switch (event) {
780	case SND_SOC_DAPM_POST_PMU:
781		if (da7219->micbias_on_event) {
782			/*
783			 * Delay only for first capture after bias enabled to
784			 * avoid possible DC offset related noise.
785			 */
786			da7219->micbias_on_event = false;
787			msleep(da7219->mic_pga_delay);
788		}
789		break;
790	default:
791		break;
792	}
793
794	return 0;
795}
796
797static int da7219_dai_event(struct snd_soc_dapm_widget *w,
798			    struct snd_kcontrol *kcontrol, int event)
799{
800	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
801	struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
802	struct clk *bclk = da7219->dai_clks[DA7219_DAI_BCLK_IDX];
803	u8 pll_ctrl, pll_status;
804	int i = 0, ret;
805	bool srm_lock = false;
806
807	switch (event) {
808	case SND_SOC_DAPM_PRE_PMU:
809		if (da7219->master) {
810			/* Enable DAI clks for master mode */
811			if (bclk) {
812				ret = clk_prepare_enable(bclk);
813				if (ret) {
814					dev_err(component->dev,
815						"Failed to enable DAI clks\n");
816					return ret;
817				}
818			} else {
819				snd_soc_component_update_bits(component,
820							      DA7219_DAI_CLK_MODE,
821							      DA7219_DAI_CLK_EN_MASK,
822							      DA7219_DAI_CLK_EN_MASK);
823			}
824		}
825
826		/* PC synchronised to DAI */
827		snd_soc_component_update_bits(component, DA7219_PC_COUNT,
828				    DA7219_PC_FREERUN_MASK, 0);
829
830		/* Slave mode, if SRM not enabled no need for status checks */
831		pll_ctrl = snd_soc_component_read(component, DA7219_PLL_CTRL);
832		if ((pll_ctrl & DA7219_PLL_MODE_MASK) != DA7219_PLL_MODE_SRM)
833			return 0;
834
835		/* Check SRM has locked */
836		do {
837			pll_status = snd_soc_component_read(component, DA7219_PLL_SRM_STS);
838			if (pll_status & DA7219_PLL_SRM_STS_SRM_LOCK) {
839				srm_lock = true;
840			} else {
841				++i;
842				msleep(50);
843			}
844		} while ((i < DA7219_SRM_CHECK_RETRIES) && (!srm_lock));
845
846		if (!srm_lock)
847			dev_warn(component->dev, "SRM failed to lock\n");
848
849		return 0;
850	case SND_SOC_DAPM_POST_PMD:
851		/* PC free-running */
852		snd_soc_component_update_bits(component, DA7219_PC_COUNT,
853				    DA7219_PC_FREERUN_MASK,
854				    DA7219_PC_FREERUN_MASK);
855
856		/* Disable DAI clks if in master mode */
857		if (da7219->master) {
858			if (bclk)
859				clk_disable_unprepare(bclk);
860			else
861				snd_soc_component_update_bits(component,
862							      DA7219_DAI_CLK_MODE,
863							      DA7219_DAI_CLK_EN_MASK,
864							      0);
865		}
866
867		return 0;
868	default:
869		return -EINVAL;
870	}
871}
872
873static int da7219_settling_event(struct snd_soc_dapm_widget *w,
874				 struct snd_kcontrol *kcontrol, int event)
875{
876	switch (event) {
877	case SND_SOC_DAPM_POST_PMU:
878	case SND_SOC_DAPM_POST_PMD:
879		msleep(DA7219_SETTLING_DELAY);
880		break;
881	default:
882		break;
883	}
884
885	return 0;
886}
887
888static int da7219_mixout_event(struct snd_soc_dapm_widget *w,
889			       struct snd_kcontrol *kcontrol, int event)
890{
891	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
892	u8 hp_ctrl, min_gain_mask;
893
894	switch (w->reg) {
895	case DA7219_MIXOUT_L_CTRL:
896		hp_ctrl = DA7219_HP_L_CTRL;
897		min_gain_mask = DA7219_HP_L_AMP_MIN_GAIN_EN_MASK;
898		break;
899	case DA7219_MIXOUT_R_CTRL:
900		hp_ctrl = DA7219_HP_R_CTRL;
901		min_gain_mask = DA7219_HP_R_AMP_MIN_GAIN_EN_MASK;
902		break;
903	default:
904		return -EINVAL;
905	}
906
907	switch (event) {
908	case SND_SOC_DAPM_PRE_PMD:
909		/* Enable minimum gain on HP to avoid pops */
910		snd_soc_component_update_bits(component, hp_ctrl, min_gain_mask,
911				    min_gain_mask);
912
913		msleep(DA7219_MIN_GAIN_DELAY);
914
915		break;
916	case SND_SOC_DAPM_POST_PMU:
917		/* Remove minimum gain on HP */
918		snd_soc_component_update_bits(component, hp_ctrl, min_gain_mask, 0);
919
920		break;
921	}
922
923	return 0;
924}
925
926static int da7219_gain_ramp_event(struct snd_soc_dapm_widget *w,
927				  struct snd_kcontrol *kcontrol, int event)
928{
929	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
930	struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
931
932	switch (event) {
933	case SND_SOC_DAPM_PRE_PMU:
934	case SND_SOC_DAPM_PRE_PMD:
935		/* Ensure nominal gain ramping for DAPM sequence */
936		da7219->gain_ramp_ctrl =
937			snd_soc_component_read(component, DA7219_GAIN_RAMP_CTRL);
938		snd_soc_component_write(component, DA7219_GAIN_RAMP_CTRL,
939			      DA7219_GAIN_RAMP_RATE_NOMINAL);
940		break;
941	case SND_SOC_DAPM_POST_PMU:
942	case SND_SOC_DAPM_POST_PMD:
943		/* Restore previous gain ramp settings */
944		snd_soc_component_write(component, DA7219_GAIN_RAMP_CTRL,
945			      da7219->gain_ramp_ctrl);
946		break;
947	}
948
949	return 0;
950}
951
952
953/*
954 * DAPM Widgets
955 */
956
957static const struct snd_soc_dapm_widget da7219_dapm_widgets[] = {
958	/* Input Supplies */
959	SND_SOC_DAPM_SUPPLY("Mic Bias", DA7219_MICBIAS_CTRL,
960			    DA7219_MICBIAS1_EN_SHIFT, DA7219_NO_INVERT,
961			    NULL, 0),
962
963	/* Inputs */
964	SND_SOC_DAPM_INPUT("MIC"),
965
966	/* Input PGAs */
967	SND_SOC_DAPM_PGA_E("Mic PGA", DA7219_MIC_1_CTRL,
968			   DA7219_MIC_1_AMP_EN_SHIFT, DA7219_NO_INVERT,
969			   NULL, 0, da7219_mic_pga_event, SND_SOC_DAPM_POST_PMU),
970	SND_SOC_DAPM_PGA_E("Mixin PGA", DA7219_MIXIN_L_CTRL,
971			   DA7219_MIXIN_L_AMP_EN_SHIFT, DA7219_NO_INVERT,
972			   NULL, 0, da7219_settling_event, SND_SOC_DAPM_POST_PMU),
973
974	/* Input Filters */
975	SND_SOC_DAPM_ADC("ADC", NULL, DA7219_ADC_L_CTRL, DA7219_ADC_L_EN_SHIFT,
976			 DA7219_NO_INVERT),
977
978	/* Tone Generator */
979	SND_SOC_DAPM_SIGGEN("TONE"),
980	SND_SOC_DAPM_PGA("Tone Generator", DA7219_TONE_GEN_CFG1,
981			 DA7219_START_STOPN_SHIFT, DA7219_NO_INVERT, NULL, 0),
982
983	/* Sidetone Input */
984	SND_SOC_DAPM_ADC("Sidetone Filter", NULL, DA7219_SIDETONE_CTRL,
985			 DA7219_SIDETONE_EN_SHIFT, DA7219_NO_INVERT),
986
987	/* Input Mixer Supply */
988	SND_SOC_DAPM_SUPPLY("Mixer In Supply", DA7219_MIXIN_L_CTRL,
989			    DA7219_MIXIN_L_MIX_EN_SHIFT, DA7219_NO_INVERT,
990			    NULL, 0),
991
992	/* Input Mixer */
993	SND_SOC_DAPM_MIXER("Mixer In", SND_SOC_NOPM, 0, 0,
994			   da7219_mixin_controls,
995			   ARRAY_SIZE(da7219_mixin_controls)),
996
997	/* Input Muxes */
998	SND_SOC_DAPM_MUX("Out DAIL Mux", SND_SOC_NOPM, 0, 0,
999			 &da7219_out_dail_sel_mux),
1000	SND_SOC_DAPM_MUX("Out DAIR Mux", SND_SOC_NOPM, 0, 0,
1001			 &da7219_out_dair_sel_mux),
1002
1003	/* DAI Supply */
1004	SND_SOC_DAPM_SUPPLY("DAI", DA7219_DAI_CTRL, DA7219_DAI_EN_SHIFT,
1005			    DA7219_NO_INVERT, da7219_dai_event,
1006			    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
1007
1008	/* DAI */
1009	SND_SOC_DAPM_AIF_OUT("DAIOUT", "Capture", 0, DA7219_DAI_TDM_CTRL,
1010			     DA7219_DAI_OE_SHIFT, DA7219_NO_INVERT),
1011	SND_SOC_DAPM_AIF_IN("DAIIN", "Playback", 0, SND_SOC_NOPM, 0, 0),
1012
1013	/* Output Muxes */
1014	SND_SOC_DAPM_MUX("Out DACL Mux", SND_SOC_NOPM, 0, 0,
1015			 &da7219_out_dacl_sel_mux),
1016	SND_SOC_DAPM_MUX("Out DACR Mux", SND_SOC_NOPM, 0, 0,
1017			 &da7219_out_dacr_sel_mux),
1018
1019	/* Output Mixers */
1020	SND_SOC_DAPM_MIXER("Mixer Out FilterL", SND_SOC_NOPM, 0, 0,
1021			   da7219_mixout_l_controls,
1022			   ARRAY_SIZE(da7219_mixout_l_controls)),
1023	SND_SOC_DAPM_MIXER("Mixer Out FilterR", SND_SOC_NOPM, 0, 0,
1024			   da7219_mixout_r_controls,
1025			   ARRAY_SIZE(da7219_mixout_r_controls)),
1026
1027	/* Sidetone Mixers */
1028	SND_SOC_DAPM_MIXER("ST Mixer Out FilterL", SND_SOC_NOPM, 0, 0,
1029			   da7219_st_out_filtl_mix_controls,
1030			   ARRAY_SIZE(da7219_st_out_filtl_mix_controls)),
1031	SND_SOC_DAPM_MIXER("ST Mixer Out FilterR", SND_SOC_NOPM, 0,
1032			   0, da7219_st_out_filtr_mix_controls,
1033			   ARRAY_SIZE(da7219_st_out_filtr_mix_controls)),
1034
1035	/* DACs */
1036	SND_SOC_DAPM_DAC_E("DACL", NULL, DA7219_DAC_L_CTRL,
1037			   DA7219_DAC_L_EN_SHIFT, DA7219_NO_INVERT,
1038			   da7219_settling_event,
1039			   SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1040	SND_SOC_DAPM_DAC_E("DACR", NULL, DA7219_DAC_R_CTRL,
1041			   DA7219_DAC_R_EN_SHIFT, DA7219_NO_INVERT,
1042			   da7219_settling_event,
1043			   SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1044
1045	/* Output PGAs */
1046	SND_SOC_DAPM_PGA_E("Mixout Left PGA", DA7219_MIXOUT_L_CTRL,
1047			   DA7219_MIXOUT_L_AMP_EN_SHIFT, DA7219_NO_INVERT,
1048			   NULL, 0, da7219_mixout_event,
1049			   SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1050	SND_SOC_DAPM_PGA_E("Mixout Right PGA", DA7219_MIXOUT_R_CTRL,
1051			   DA7219_MIXOUT_R_AMP_EN_SHIFT, DA7219_NO_INVERT,
1052			   NULL, 0, da7219_mixout_event,
1053			   SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1054	SND_SOC_DAPM_SUPPLY_S("Headphone Left PGA", 1, DA7219_HP_L_CTRL,
1055			      DA7219_HP_L_AMP_EN_SHIFT, DA7219_NO_INVERT,
1056			      da7219_settling_event,
1057			      SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1058	SND_SOC_DAPM_SUPPLY_S("Headphone Right PGA", 1, DA7219_HP_R_CTRL,
1059			      DA7219_HP_R_AMP_EN_SHIFT, DA7219_NO_INVERT,
1060			      da7219_settling_event,
1061			      SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1062
1063	/* Output Supplies */
1064	SND_SOC_DAPM_SUPPLY_S("Charge Pump", 0, DA7219_CP_CTRL,
1065			      DA7219_CP_EN_SHIFT, DA7219_NO_INVERT,
1066			      da7219_settling_event,
1067			      SND_SOC_DAPM_POST_PMU),
1068
1069	/* Outputs */
1070	SND_SOC_DAPM_OUTPUT("HPL"),
1071	SND_SOC_DAPM_OUTPUT("HPR"),
1072
1073	/* Pre/Post Power */
1074	SND_SOC_DAPM_PRE("Pre Power Gain Ramp", da7219_gain_ramp_event),
1075	SND_SOC_DAPM_POST("Post Power Gain Ramp", da7219_gain_ramp_event),
1076};
1077
1078
1079/*
1080 * DAPM Mux Routes
1081 */
1082
1083#define DA7219_OUT_DAI_MUX_ROUTES(name)			\
1084	{name, "ADC", "Mixer In"},			\
1085	{name, "Tone Generator", "Tone Generator"},	\
1086	{name, "DAIL", "DAIOUT"},			\
1087	{name, "DAIR", "DAIOUT"}
1088
1089#define DA7219_OUT_DAC_MUX_ROUTES(name)			\
1090	{name, "ADC", "Mixer In"},			\
1091	{name, "Tone Generator", "Tone Generator"},		\
1092	{name, "DAIL", "DAIIN"},			\
1093	{name, "DAIR", "DAIIN"}
1094
1095/*
1096 * DAPM Mixer Routes
1097 */
1098
1099#define DA7219_DMIX_ST_ROUTES(name)				\
1100	{name, "Out FilterL Switch", "Mixer Out FilterL"},	\
1101	{name, "Out FilterR Switch", "Mixer Out FilterR"},	\
1102	{name, "Sidetone Switch", "Sidetone Filter"}
1103
1104
1105/*
1106 * DAPM audio route definition
1107 */
1108
1109static const struct snd_soc_dapm_route da7219_audio_map[] = {
1110	/* Input paths */
1111	{"MIC", NULL, "Mic Bias"},
1112	{"Mic PGA", NULL, "MIC"},
1113	{"Mixin PGA", NULL, "Mic PGA"},
1114	{"ADC", NULL, "Mixin PGA"},
1115
1116	{"Mixer In", NULL, "Mixer In Supply"},
1117	{"Mixer In", "Mic Switch", "ADC"},
1118
1119	{"Sidetone Filter", NULL, "Mixer In"},
1120
1121	{"Tone Generator", NULL, "TONE"},
1122
1123	DA7219_OUT_DAI_MUX_ROUTES("Out DAIL Mux"),
1124	DA7219_OUT_DAI_MUX_ROUTES("Out DAIR Mux"),
1125
1126	{"DAIOUT", NULL, "Out DAIL Mux"},
1127	{"DAIOUT", NULL, "Out DAIR Mux"},
1128	{"DAIOUT", NULL, "DAI"},
1129
1130	/* Output paths */
1131	{"DAIIN", NULL, "DAI"},
1132
1133	DA7219_OUT_DAC_MUX_ROUTES("Out DACL Mux"),
1134	DA7219_OUT_DAC_MUX_ROUTES("Out DACR Mux"),
1135
1136	{"Mixer Out FilterL", "DACL Switch", "Out DACL Mux"},
1137	{"Mixer Out FilterR", "DACR Switch", "Out DACR Mux"},
1138
1139	DA7219_DMIX_ST_ROUTES("ST Mixer Out FilterL"),
1140	DA7219_DMIX_ST_ROUTES("ST Mixer Out FilterR"),
1141
1142	{"DACL", NULL, "ST Mixer Out FilterL"},
1143	{"DACR", NULL, "ST Mixer Out FilterR"},
1144
1145	{"Mixout Left PGA", NULL, "DACL"},
1146	{"Mixout Right PGA", NULL, "DACR"},
1147
1148	{"HPL", NULL, "Mixout Left PGA"},
1149	{"HPR", NULL, "Mixout Right PGA"},
1150
1151	{"HPL", NULL, "Headphone Left PGA"},
1152	{"HPR", NULL, "Headphone Right PGA"},
1153
1154	{"HPL", NULL, "Charge Pump"},
1155	{"HPR", NULL, "Charge Pump"},
1156};
1157
1158
1159/*
1160 * DAI operations
1161 */
1162
1163static int da7219_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1164				 int clk_id, unsigned int freq, int dir)
1165{
1166	struct snd_soc_component *component = codec_dai->component;
1167	struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
1168	int ret = 0;
1169
1170	if ((da7219->clk_src == clk_id) && (da7219->mclk_rate == freq))
1171		return 0;
1172
1173	if ((freq < 2000000) || (freq > 54000000)) {
1174		dev_err(codec_dai->dev, "Unsupported MCLK value %d\n",
1175			freq);
1176		return -EINVAL;
1177	}
1178
1179	mutex_lock(&da7219->pll_lock);
1180
1181	switch (clk_id) {
1182	case DA7219_CLKSRC_MCLK_SQR:
1183		snd_soc_component_update_bits(component, DA7219_PLL_CTRL,
1184				    DA7219_PLL_MCLK_SQR_EN_MASK,
1185				    DA7219_PLL_MCLK_SQR_EN_MASK);
1186		break;
1187	case DA7219_CLKSRC_MCLK:
1188		snd_soc_component_update_bits(component, DA7219_PLL_CTRL,
1189				    DA7219_PLL_MCLK_SQR_EN_MASK, 0);
1190		break;
1191	default:
1192		dev_err(codec_dai->dev, "Unknown clock source %d\n", clk_id);
1193		mutex_unlock(&da7219->pll_lock);
1194		return -EINVAL;
1195	}
1196
1197	da7219->clk_src = clk_id;
1198
1199	if (da7219->mclk) {
1200		freq = clk_round_rate(da7219->mclk, freq);
1201		ret = clk_set_rate(da7219->mclk, freq);
1202		if (ret) {
1203			dev_err(codec_dai->dev, "Failed to set clock rate %d\n",
1204				freq);
1205			mutex_unlock(&da7219->pll_lock);
1206			return ret;
1207		}
1208	}
1209
1210	da7219->mclk_rate = freq;
1211
1212	mutex_unlock(&da7219->pll_lock);
1213
1214	return 0;
1215}
1216
1217int da7219_set_pll(struct snd_soc_component *component, int source, unsigned int fout)
1218{
1219	struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
1220
1221	u8 pll_ctrl, indiv_bits, indiv;
1222	u8 pll_frac_top, pll_frac_bot, pll_integer;
1223	u32 freq_ref;
1224	u64 frac_div;
1225
1226	/* Verify 2MHz - 54MHz MCLK provided, and set input divider */
1227	if (da7219->mclk_rate < 2000000) {
1228		dev_err(component->dev, "PLL input clock %d below valid range\n",
1229			da7219->mclk_rate);
1230		return -EINVAL;
1231	} else if (da7219->mclk_rate <= 4500000) {
1232		indiv_bits = DA7219_PLL_INDIV_2_TO_4_5_MHZ;
1233		indiv = DA7219_PLL_INDIV_2_TO_4_5_MHZ_VAL;
1234	} else if (da7219->mclk_rate <= 9000000) {
1235		indiv_bits = DA7219_PLL_INDIV_4_5_TO_9_MHZ;
1236		indiv = DA7219_PLL_INDIV_4_5_TO_9_MHZ_VAL;
1237	} else if (da7219->mclk_rate <= 18000000) {
1238		indiv_bits = DA7219_PLL_INDIV_9_TO_18_MHZ;
1239		indiv = DA7219_PLL_INDIV_9_TO_18_MHZ_VAL;
1240	} else if (da7219->mclk_rate <= 36000000) {
1241		indiv_bits = DA7219_PLL_INDIV_18_TO_36_MHZ;
1242		indiv = DA7219_PLL_INDIV_18_TO_36_MHZ_VAL;
1243	} else if (da7219->mclk_rate <= 54000000) {
1244		indiv_bits = DA7219_PLL_INDIV_36_TO_54_MHZ;
1245		indiv = DA7219_PLL_INDIV_36_TO_54_MHZ_VAL;
1246	} else {
1247		dev_err(component->dev, "PLL input clock %d above valid range\n",
1248			da7219->mclk_rate);
1249		return -EINVAL;
1250	}
1251	freq_ref = (da7219->mclk_rate / indiv);
1252	pll_ctrl = indiv_bits;
1253
1254	/* Configure PLL */
1255	switch (source) {
1256	case DA7219_SYSCLK_MCLK:
1257		pll_ctrl |= DA7219_PLL_MODE_BYPASS;
1258		snd_soc_component_update_bits(component, DA7219_PLL_CTRL,
1259				    DA7219_PLL_INDIV_MASK |
1260				    DA7219_PLL_MODE_MASK, pll_ctrl);
1261		return 0;
1262	case DA7219_SYSCLK_PLL:
1263		pll_ctrl |= DA7219_PLL_MODE_NORMAL;
1264		break;
1265	case DA7219_SYSCLK_PLL_SRM:
1266		pll_ctrl |= DA7219_PLL_MODE_SRM;
1267		break;
1268	default:
1269		dev_err(component->dev, "Invalid PLL config\n");
1270		return -EINVAL;
1271	}
1272
1273	/* Calculate dividers for PLL */
1274	pll_integer = fout / freq_ref;
1275	frac_div = (u64)(fout % freq_ref) * 8192ULL;
1276	do_div(frac_div, freq_ref);
1277	pll_frac_top = (frac_div >> DA7219_BYTE_SHIFT) & DA7219_BYTE_MASK;
1278	pll_frac_bot = (frac_div) & DA7219_BYTE_MASK;
1279
1280	/* Write PLL config & dividers */
1281	snd_soc_component_write(component, DA7219_PLL_FRAC_TOP, pll_frac_top);
1282	snd_soc_component_write(component, DA7219_PLL_FRAC_BOT, pll_frac_bot);
1283	snd_soc_component_write(component, DA7219_PLL_INTEGER, pll_integer);
1284	snd_soc_component_update_bits(component, DA7219_PLL_CTRL,
1285			    DA7219_PLL_INDIV_MASK | DA7219_PLL_MODE_MASK,
1286			    pll_ctrl);
1287
1288	return 0;
1289}
1290
1291static int da7219_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
1292			      int source, unsigned int fref, unsigned int fout)
1293{
1294	struct snd_soc_component *component = codec_dai->component;
1295	struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
1296	int ret;
1297
1298	mutex_lock(&da7219->pll_lock);
1299	ret = da7219_set_pll(component, source, fout);
1300	mutex_unlock(&da7219->pll_lock);
1301
1302	return ret;
1303}
1304
1305static int da7219_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
1306{
1307	struct snd_soc_component *component = codec_dai->component;
1308	struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
1309	u8 dai_clk_mode = 0, dai_ctrl = 0;
1310
1311	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1312	case SND_SOC_DAIFMT_CBM_CFM:
1313		da7219->master = true;
1314		break;
1315	case SND_SOC_DAIFMT_CBS_CFS:
1316		da7219->master = false;
1317		break;
1318	default:
1319		return -EINVAL;
1320	}
1321
1322	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1323	case SND_SOC_DAIFMT_I2S:
1324	case SND_SOC_DAIFMT_LEFT_J:
1325	case SND_SOC_DAIFMT_RIGHT_J:
1326		switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1327		case SND_SOC_DAIFMT_NB_NF:
1328			break;
1329		case SND_SOC_DAIFMT_NB_IF:
1330			dai_clk_mode |= DA7219_DAI_WCLK_POL_INV;
1331			break;
1332		case SND_SOC_DAIFMT_IB_NF:
1333			dai_clk_mode |= DA7219_DAI_CLK_POL_INV;
1334			break;
1335		case SND_SOC_DAIFMT_IB_IF:
1336			dai_clk_mode |= DA7219_DAI_WCLK_POL_INV |
1337					DA7219_DAI_CLK_POL_INV;
1338			break;
1339		default:
1340			return -EINVAL;
1341		}
1342		break;
1343	case SND_SOC_DAIFMT_DSP_B:
1344		switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1345		case SND_SOC_DAIFMT_NB_NF:
1346			dai_clk_mode |= DA7219_DAI_CLK_POL_INV;
1347			break;
1348		case SND_SOC_DAIFMT_NB_IF:
1349			dai_clk_mode |= DA7219_DAI_WCLK_POL_INV |
1350					DA7219_DAI_CLK_POL_INV;
1351			break;
1352		case SND_SOC_DAIFMT_IB_NF:
1353			break;
1354		case SND_SOC_DAIFMT_IB_IF:
1355			dai_clk_mode |= DA7219_DAI_WCLK_POL_INV;
1356			break;
1357		default:
1358			return -EINVAL;
1359		}
1360		break;
1361	default:
1362		return -EINVAL;
1363	}
1364
1365	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1366	case SND_SOC_DAIFMT_I2S:
1367		dai_ctrl |= DA7219_DAI_FORMAT_I2S;
1368		break;
1369	case SND_SOC_DAIFMT_LEFT_J:
1370		dai_ctrl |= DA7219_DAI_FORMAT_LEFT_J;
1371		break;
1372	case SND_SOC_DAIFMT_RIGHT_J:
1373		dai_ctrl |= DA7219_DAI_FORMAT_RIGHT_J;
1374		break;
1375	case SND_SOC_DAIFMT_DSP_B:
1376		dai_ctrl |= DA7219_DAI_FORMAT_DSP;
1377		break;
1378	default:
1379		return -EINVAL;
1380	}
1381
1382	snd_soc_component_update_bits(component, DA7219_DAI_CLK_MODE,
1383			    DA7219_DAI_CLK_POL_MASK | DA7219_DAI_WCLK_POL_MASK,
1384			    dai_clk_mode);
1385	snd_soc_component_update_bits(component, DA7219_DAI_CTRL, DA7219_DAI_FORMAT_MASK,
1386			    dai_ctrl);
1387
1388	return 0;
1389}
1390
1391static int da7219_set_bclks_per_wclk(struct snd_soc_component *component,
1392				     unsigned long factor)
1393{
1394	u8 bclks_per_wclk;
1395
1396	switch (factor) {
1397	case 32:
1398		bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_32;
1399		break;
1400	case 64:
1401		bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_64;
1402		break;
1403	case 128:
1404		bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_128;
1405		break;
1406	case 256:
1407		bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_256;
1408		break;
1409	default:
1410		return -EINVAL;
1411	}
1412
1413	snd_soc_component_update_bits(component, DA7219_DAI_CLK_MODE,
1414				      DA7219_DAI_BCLKS_PER_WCLK_MASK,
1415				      bclks_per_wclk);
1416
1417	return 0;
1418}
1419
1420static int da7219_set_dai_tdm_slot(struct snd_soc_dai *dai,
1421				   unsigned int tx_mask, unsigned int rx_mask,
1422				   int slots, int slot_width)
1423{
1424	struct snd_soc_component *component = dai->component;
1425	struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
1426	struct clk *wclk = da7219->dai_clks[DA7219_DAI_WCLK_IDX];
1427	struct clk *bclk = da7219->dai_clks[DA7219_DAI_BCLK_IDX];
1428	unsigned int ch_mask;
1429	unsigned long sr, bclk_rate;
1430	u8 slot_offset;
1431	u16 offset;
1432	__le16 dai_offset;
1433	u32 frame_size;
1434	int ret;
1435
1436	/* No channels enabled so disable TDM */
1437	if (!tx_mask) {
1438		snd_soc_component_update_bits(component, DA7219_DAI_TDM_CTRL,
1439				    DA7219_DAI_TDM_CH_EN_MASK |
1440				    DA7219_DAI_TDM_MODE_EN_MASK, 0);
1441		da7219->tdm_en = false;
1442		return 0;
1443	}
1444
1445	/* Check we have valid slots */
1446	slot_offset = ffs(tx_mask) - 1;
1447	ch_mask = (tx_mask >> slot_offset);
1448	if (fls(ch_mask) > DA7219_DAI_TDM_MAX_SLOTS) {
1449		dev_err(component->dev,
1450			"Invalid number of slots, max = %d\n",
1451			DA7219_DAI_TDM_MAX_SLOTS);
1452		return -EINVAL;
1453	}
1454
1455	/*
1456	 * Ensure we have a valid offset into the frame, based on slot width
1457	 * and slot offset of first slot we're interested in.
1458	 */
1459	offset = slot_offset * slot_width;
1460	if (offset > DA7219_DAI_OFFSET_MAX) {
1461		dev_err(component->dev, "Invalid frame offset %d\n", offset);
1462		return -EINVAL;
1463	}
1464
1465	/*
1466	 * If we're master, calculate & validate frame size based on slot info
1467	 * provided as we have a limited set of rates available.
1468	 */
1469	if (da7219->master) {
1470		frame_size = slots * slot_width;
1471
1472		if (bclk) {
1473			sr = clk_get_rate(wclk);
1474			bclk_rate = sr * frame_size;
1475			ret = clk_set_rate(bclk, bclk_rate);
1476			if (ret) {
1477				dev_err(component->dev,
1478					"Failed to set TDM BCLK rate %lu: %d\n",
1479					bclk_rate, ret);
1480				return ret;
1481			}
1482		} else {
1483			ret = da7219_set_bclks_per_wclk(component, frame_size);
1484			if (ret) {
1485				dev_err(component->dev,
1486					"Failed to set TDM BCLKs per WCLK %d: %d\n",
1487					frame_size, ret);
1488				return ret;
1489			}
1490		}
1491	}
1492
1493	dai_offset = cpu_to_le16(offset);
1494	regmap_bulk_write(da7219->regmap, DA7219_DAI_OFFSET_LOWER,
1495			  &dai_offset, sizeof(dai_offset));
1496
1497	snd_soc_component_update_bits(component, DA7219_DAI_TDM_CTRL,
1498			    DA7219_DAI_TDM_CH_EN_MASK |
1499			    DA7219_DAI_TDM_MODE_EN_MASK,
1500			    (ch_mask << DA7219_DAI_TDM_CH_EN_SHIFT) |
1501			    DA7219_DAI_TDM_MODE_EN_MASK);
1502
1503	da7219->tdm_en = true;
1504
1505	return 0;
1506}
1507
1508static int da7219_set_sr(struct snd_soc_component *component,
1509			 unsigned long rate)
1510{
1511	u8 fs;
1512
1513	switch (rate) {
1514	case 8000:
1515		fs = DA7219_SR_8000;
1516		break;
1517	case 11025:
1518		fs = DA7219_SR_11025;
1519		break;
1520	case 12000:
1521		fs = DA7219_SR_12000;
1522		break;
1523	case 16000:
1524		fs = DA7219_SR_16000;
1525		break;
1526	case 22050:
1527		fs = DA7219_SR_22050;
1528		break;
1529	case 24000:
1530		fs = DA7219_SR_24000;
1531		break;
1532	case 32000:
1533		fs = DA7219_SR_32000;
1534		break;
1535	case 44100:
1536		fs = DA7219_SR_44100;
1537		break;
1538	case 48000:
1539		fs = DA7219_SR_48000;
1540		break;
1541	case 88200:
1542		fs = DA7219_SR_88200;
1543		break;
1544	case 96000:
1545		fs = DA7219_SR_96000;
1546		break;
1547	default:
1548		return -EINVAL;
1549	}
1550
1551	snd_soc_component_write(component, DA7219_SR, fs);
1552
1553	return 0;
1554}
1555
1556static int da7219_hw_params(struct snd_pcm_substream *substream,
1557			    struct snd_pcm_hw_params *params,
1558			    struct snd_soc_dai *dai)
1559{
1560	struct snd_soc_component *component = dai->component;
1561	struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
1562	struct clk *wclk = da7219->dai_clks[DA7219_DAI_WCLK_IDX];
1563	struct clk *bclk = da7219->dai_clks[DA7219_DAI_BCLK_IDX];
1564	u8 dai_ctrl = 0;
1565	unsigned int channels;
1566	unsigned long sr, bclk_rate;
1567	int word_len = params_width(params);
1568	int frame_size, ret;
1569
1570	switch (word_len) {
1571	case 16:
1572		dai_ctrl |= DA7219_DAI_WORD_LENGTH_S16_LE;
1573		break;
1574	case 20:
1575		dai_ctrl |= DA7219_DAI_WORD_LENGTH_S20_LE;
1576		break;
1577	case 24:
1578		dai_ctrl |= DA7219_DAI_WORD_LENGTH_S24_LE;
1579		break;
1580	case 32:
1581		dai_ctrl |= DA7219_DAI_WORD_LENGTH_S32_LE;
1582		break;
1583	default:
1584		return -EINVAL;
1585	}
1586
1587	channels = params_channels(params);
1588	if ((channels < 1) || (channels > DA7219_DAI_CH_NUM_MAX)) {
1589		dev_err(component->dev,
1590			"Invalid number of channels, only 1 to %d supported\n",
1591			DA7219_DAI_CH_NUM_MAX);
1592		return -EINVAL;
1593	}
1594	dai_ctrl |= channels << DA7219_DAI_CH_NUM_SHIFT;
1595
1596	sr = params_rate(params);
1597	if (da7219->master && wclk) {
1598		ret = clk_set_rate(wclk, sr);
1599		if (ret) {
1600			dev_err(component->dev,
1601				"Failed to set WCLK SR %lu: %d\n", sr, ret);
1602			return ret;
1603		}
1604	} else {
1605		ret = da7219_set_sr(component, sr);
1606		if (ret) {
1607			dev_err(component->dev,
1608				"Failed to set SR %lu: %d\n", sr, ret);
1609			return ret;
1610		}
1611	}
1612
1613	/*
1614	 * If we're master, then we have a limited set of BCLK rates we
1615	 * support. For slave mode this isn't the case and the codec can detect
1616	 * the BCLK rate automatically.
1617	 */
1618	if (da7219->master && !da7219->tdm_en) {
1619		if ((word_len * DA7219_DAI_CH_NUM_MAX) <= 32)
1620			frame_size = 32;
1621		else
1622			frame_size = 64;
1623
1624		if (bclk) {
1625			bclk_rate = frame_size * sr;
1626			/*
1627			 * Rounding the rate here avoids failure trying to set a
1628			 * new rate on an already enabled bclk. In that
1629			 * instance this will just set the same rate as is
1630			 * currently in use, and so should continue without
1631			 * problem, as long as the BCLK rate is suitable for the
1632			 * desired frame size.
1633			 */
1634			bclk_rate = clk_round_rate(bclk, bclk_rate);
1635			if ((bclk_rate / sr) < frame_size) {
1636				dev_err(component->dev,
1637					"BCLK rate mismatch against frame size");
1638				return -EINVAL;
1639			}
1640
1641			ret = clk_set_rate(bclk, bclk_rate);
1642			if (ret) {
1643				dev_err(component->dev,
1644					"Failed to set BCLK rate %lu: %d\n",
1645					bclk_rate, ret);
1646				return ret;
1647			}
1648		} else {
1649			ret = da7219_set_bclks_per_wclk(component, frame_size);
1650			if (ret) {
1651				dev_err(component->dev,
1652					"Failed to set BCLKs per WCLK %d: %d\n",
1653					frame_size, ret);
1654				return ret;
1655			}
1656		}
1657	}
1658
1659	snd_soc_component_update_bits(component, DA7219_DAI_CTRL,
1660			    DA7219_DAI_WORD_LENGTH_MASK |
1661			    DA7219_DAI_CH_NUM_MASK,
1662			    dai_ctrl);
1663
1664	return 0;
1665}
1666
1667static const struct snd_soc_dai_ops da7219_dai_ops = {
1668	.hw_params	= da7219_hw_params,
1669	.set_sysclk	= da7219_set_dai_sysclk,
1670	.set_pll	= da7219_set_dai_pll,
1671	.set_fmt	= da7219_set_dai_fmt,
1672	.set_tdm_slot	= da7219_set_dai_tdm_slot,
1673};
1674
1675#define DA7219_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1676			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
1677
1678#define DA7219_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
1679		      SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\
1680		      SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\
1681		      SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |\
1682		      SNDRV_PCM_RATE_96000)
1683
1684static struct snd_soc_dai_driver da7219_dai = {
1685	.name = "da7219-hifi",
1686	.playback = {
1687		.stream_name = "Playback",
1688		.channels_min = 1,
1689		.channels_max = DA7219_DAI_CH_NUM_MAX,
1690		.rates = DA7219_RATES,
1691		.formats = DA7219_FORMATS,
1692	},
1693	.capture = {
1694		.stream_name = "Capture",
1695		.channels_min = 1,
1696		.channels_max = DA7219_DAI_CH_NUM_MAX,
1697		.rates = DA7219_RATES,
1698		.formats = DA7219_FORMATS,
1699	},
1700	.ops = &da7219_dai_ops,
1701	.symmetric_rate = 1,
1702	.symmetric_channels = 1,
1703	.symmetric_sample_bits = 1,
1704};
1705
1706
1707/*
1708 * DT/ACPI
1709 */
1710
1711#ifdef CONFIG_OF
1712static const struct of_device_id da7219_of_match[] = {
1713	{ .compatible = "dlg,da7219", },
1714	{ }
1715};
1716MODULE_DEVICE_TABLE(of, da7219_of_match);
1717#endif
1718
1719#ifdef CONFIG_ACPI
1720static const struct acpi_device_id da7219_acpi_match[] = {
1721	{ .id = "DLGS7219", },
1722	{ }
1723};
1724MODULE_DEVICE_TABLE(acpi, da7219_acpi_match);
1725#endif
1726
1727static enum da7219_micbias_voltage
1728	da7219_fw_micbias_lvl(struct device *dev, u32 val)
1729{
1730	switch (val) {
1731	case 1600:
1732		return DA7219_MICBIAS_1_6V;
1733	case 1800:
1734		return DA7219_MICBIAS_1_8V;
1735	case 2000:
1736		return DA7219_MICBIAS_2_0V;
1737	case 2200:
1738		return DA7219_MICBIAS_2_2V;
1739	case 2400:
1740		return DA7219_MICBIAS_2_4V;
1741	case 2600:
1742		return DA7219_MICBIAS_2_6V;
1743	default:
1744		dev_warn(dev, "Invalid micbias level");
1745		return DA7219_MICBIAS_2_2V;
1746	}
1747}
1748
1749static enum da7219_mic_amp_in_sel
1750	da7219_fw_mic_amp_in_sel(struct device *dev, const char *str)
1751{
1752	if (!strcmp(str, "diff")) {
1753		return DA7219_MIC_AMP_IN_SEL_DIFF;
1754	} else if (!strcmp(str, "se_p")) {
1755		return DA7219_MIC_AMP_IN_SEL_SE_P;
1756	} else if (!strcmp(str, "se_n")) {
1757		return DA7219_MIC_AMP_IN_SEL_SE_N;
1758	} else {
1759		dev_warn(dev, "Invalid mic input type selection");
1760		return DA7219_MIC_AMP_IN_SEL_DIFF;
1761	}
1762}
1763
1764static struct da7219_pdata *da7219_fw_to_pdata(struct device *dev)
1765{
1766	struct da7219_pdata *pdata;
1767	const char *of_str;
1768	u32 of_val32;
1769
1770	pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
1771	if (!pdata)
1772		return NULL;
1773
1774	pdata->wakeup_source = device_property_read_bool(dev, "wakeup-source");
1775
1776	pdata->dai_clk_names[DA7219_DAI_WCLK_IDX] = "da7219-dai-wclk";
1777	pdata->dai_clk_names[DA7219_DAI_BCLK_IDX] = "da7219-dai-bclk";
1778	if (device_property_read_string_array(dev, "clock-output-names",
1779					      pdata->dai_clk_names,
1780					      DA7219_DAI_NUM_CLKS) < 0)
1781		dev_warn(dev, "Using default DAI clk names: %s, %s\n",
1782			 pdata->dai_clk_names[DA7219_DAI_WCLK_IDX],
1783			 pdata->dai_clk_names[DA7219_DAI_BCLK_IDX]);
1784
1785	if (device_property_read_u32(dev, "dlg,micbias-lvl", &of_val32) >= 0)
1786		pdata->micbias_lvl = da7219_fw_micbias_lvl(dev, of_val32);
1787	else
1788		pdata->micbias_lvl = DA7219_MICBIAS_2_2V;
1789
1790	if (!device_property_read_string(dev, "dlg,mic-amp-in-sel", &of_str))
1791		pdata->mic_amp_in_sel = da7219_fw_mic_amp_in_sel(dev, of_str);
1792	else
1793		pdata->mic_amp_in_sel = DA7219_MIC_AMP_IN_SEL_DIFF;
1794
1795	return pdata;
1796}
1797
1798
1799/*
1800 * Codec driver functions
1801 */
1802
1803static int da7219_set_bias_level(struct snd_soc_component *component,
1804				 enum snd_soc_bias_level level)
1805{
1806	struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
1807	int ret;
1808
1809	switch (level) {
1810	case SND_SOC_BIAS_ON:
1811		break;
1812	case SND_SOC_BIAS_PREPARE:
1813		/* Enable MCLK for transition to ON state */
1814		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_STANDBY) {
1815			if (da7219->mclk) {
1816				ret = clk_prepare_enable(da7219->mclk);
1817				if (ret) {
1818					dev_err(component->dev,
1819						"Failed to enable mclk\n");
1820					return ret;
1821				}
1822			}
1823		}
1824
1825		break;
1826	case SND_SOC_BIAS_STANDBY:
1827		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF)
1828			/* Master bias */
1829			snd_soc_component_update_bits(component, DA7219_REFERENCES,
1830					    DA7219_BIAS_EN_MASK,
1831					    DA7219_BIAS_EN_MASK);
1832
1833		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_PREPARE) {
1834			/* Remove MCLK */
1835			if (da7219->mclk)
1836				clk_disable_unprepare(da7219->mclk);
1837		}
1838		break;
1839	case SND_SOC_BIAS_OFF:
1840		/* Only disable master bias if we're not a wake-up source */
1841		if (!da7219->wakeup_source)
1842			snd_soc_component_update_bits(component, DA7219_REFERENCES,
1843					    DA7219_BIAS_EN_MASK, 0);
1844
1845		break;
1846	}
1847
1848	return 0;
1849}
1850
1851static const char *da7219_supply_names[DA7219_NUM_SUPPLIES] = {
1852	[DA7219_SUPPLY_VDD] = "VDD",
1853	[DA7219_SUPPLY_VDDMIC] = "VDDMIC",
1854	[DA7219_SUPPLY_VDDIO] = "VDDIO",
1855};
1856
1857static int da7219_handle_supplies(struct snd_soc_component *component,
1858				  u8 *io_voltage_lvl)
1859{
1860	struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
1861	struct regulator *vddio;
1862	int i, ret;
1863
1864	/* Get required supplies */
1865	for (i = 0; i < DA7219_NUM_SUPPLIES; ++i)
1866		da7219->supplies[i].supply = da7219_supply_names[i];
1867
1868	ret = regulator_bulk_get(component->dev, DA7219_NUM_SUPPLIES,
1869				 da7219->supplies);
1870	if (ret) {
1871		dev_err(component->dev, "Failed to get supplies");
1872		return ret;
1873	}
1874
1875	/* Default to upper range */
1876	*io_voltage_lvl = DA7219_IO_VOLTAGE_LEVEL_2_5V_3_6V;
1877
1878	/* Determine VDDIO voltage provided */
1879	vddio = da7219->supplies[DA7219_SUPPLY_VDDIO].consumer;
1880	ret = regulator_get_voltage(vddio);
1881	if (ret < 1200000)
1882		dev_warn(component->dev, "Invalid VDDIO voltage\n");
1883	else if (ret < 2800000)
1884		*io_voltage_lvl = DA7219_IO_VOLTAGE_LEVEL_1_2V_2_8V;
1885
1886	/* Enable main supplies */
1887	ret = regulator_bulk_enable(DA7219_NUM_SUPPLIES, da7219->supplies);
1888	if (ret) {
1889		dev_err(component->dev, "Failed to enable supplies");
1890		regulator_bulk_free(DA7219_NUM_SUPPLIES, da7219->supplies);
1891		return ret;
1892	}
1893
1894	return 0;
1895}
1896
1897#ifdef CONFIG_COMMON_CLK
1898static int da7219_wclk_prepare(struct clk_hw *hw)
1899{
1900	struct da7219_priv *da7219 =
1901		container_of(hw, struct da7219_priv,
1902			     dai_clks_hw[DA7219_DAI_WCLK_IDX]);
1903	struct snd_soc_component *component = da7219->component;
1904
1905	if (!da7219->master)
1906		return -EINVAL;
1907
1908	snd_soc_component_update_bits(component, DA7219_DAI_CLK_MODE,
1909				      DA7219_DAI_CLK_EN_MASK,
1910				      DA7219_DAI_CLK_EN_MASK);
1911
1912	return 0;
1913}
1914
1915static void da7219_wclk_unprepare(struct clk_hw *hw)
1916{
1917	struct da7219_priv *da7219 =
1918		container_of(hw, struct da7219_priv,
1919			     dai_clks_hw[DA7219_DAI_WCLK_IDX]);
1920	struct snd_soc_component *component = da7219->component;
1921
1922	if (!da7219->master)
1923		return;
1924
1925	snd_soc_component_update_bits(component, DA7219_DAI_CLK_MODE,
1926				      DA7219_DAI_CLK_EN_MASK, 0);
1927}
1928
1929static int da7219_wclk_is_prepared(struct clk_hw *hw)
1930{
1931	struct da7219_priv *da7219 =
1932		container_of(hw, struct da7219_priv,
1933			     dai_clks_hw[DA7219_DAI_WCLK_IDX]);
1934	struct snd_soc_component *component = da7219->component;
1935	u8 clk_reg;
1936
1937	if (!da7219->master)
1938		return -EINVAL;
1939
1940	clk_reg = snd_soc_component_read(component, DA7219_DAI_CLK_MODE);
1941
1942	return !!(clk_reg & DA7219_DAI_CLK_EN_MASK);
1943}
1944
1945static unsigned long da7219_wclk_recalc_rate(struct clk_hw *hw,
1946					     unsigned long parent_rate)
1947{
1948	struct da7219_priv *da7219 =
1949		container_of(hw, struct da7219_priv,
1950			     dai_clks_hw[DA7219_DAI_WCLK_IDX]);
1951	struct snd_soc_component *component = da7219->component;
1952	u8 fs = snd_soc_component_read(component, DA7219_SR);
1953
1954	switch (fs & DA7219_SR_MASK) {
1955	case DA7219_SR_8000:
1956		return 8000;
1957	case DA7219_SR_11025:
1958		return 11025;
1959	case DA7219_SR_12000:
1960		return 12000;
1961	case DA7219_SR_16000:
1962		return 16000;
1963	case DA7219_SR_22050:
1964		return 22050;
1965	case DA7219_SR_24000:
1966		return 24000;
1967	case DA7219_SR_32000:
1968		return 32000;
1969	case DA7219_SR_44100:
1970		return 44100;
1971	case DA7219_SR_48000:
1972		return 48000;
1973	case DA7219_SR_88200:
1974		return 88200;
1975	case DA7219_SR_96000:
1976		return 96000;
1977	default:
1978		return 0;
1979	}
1980}
1981
1982static long da7219_wclk_round_rate(struct clk_hw *hw, unsigned long rate,
1983				   unsigned long *parent_rate)
1984{
1985	struct da7219_priv *da7219 =
1986		container_of(hw, struct da7219_priv,
1987			     dai_clks_hw[DA7219_DAI_WCLK_IDX]);
1988
1989	if (!da7219->master)
1990		return -EINVAL;
1991
1992	if (rate < 11025)
1993		return 8000;
1994	else if (rate < 12000)
1995		return 11025;
1996	else if (rate < 16000)
1997		return 12000;
1998	else if (rate < 22050)
1999		return 16000;
2000	else if (rate < 24000)
2001		return 22050;
2002	else if (rate < 32000)
2003		return 24000;
2004	else if (rate < 44100)
2005		return 32000;
2006	else if (rate < 48000)
2007		return 44100;
2008	else if (rate < 88200)
2009		return 48000;
2010	else if (rate < 96000)
2011		return 88200;
2012	else
2013		return 96000;
2014}
2015
2016static int da7219_wclk_set_rate(struct clk_hw *hw, unsigned long rate,
2017				unsigned long parent_rate)
2018{
2019	struct da7219_priv *da7219 =
2020		container_of(hw, struct da7219_priv,
2021			     dai_clks_hw[DA7219_DAI_WCLK_IDX]);
2022	struct snd_soc_component *component = da7219->component;
2023
2024	if (!da7219->master)
2025		return -EINVAL;
2026
2027	return da7219_set_sr(component, rate);
2028}
2029
2030static unsigned long da7219_bclk_recalc_rate(struct clk_hw *hw,
2031					     unsigned long parent_rate)
2032{
2033	struct da7219_priv *da7219 =
2034		container_of(hw, struct da7219_priv,
2035			     dai_clks_hw[DA7219_DAI_BCLK_IDX]);
2036	struct snd_soc_component *component = da7219->component;
2037	u8 bclks_per_wclk = snd_soc_component_read(component,
2038						     DA7219_DAI_CLK_MODE);
2039
2040	switch (bclks_per_wclk & DA7219_DAI_BCLKS_PER_WCLK_MASK) {
2041	case DA7219_DAI_BCLKS_PER_WCLK_32:
2042		return parent_rate * 32;
2043	case DA7219_DAI_BCLKS_PER_WCLK_64:
2044		return parent_rate * 64;
2045	case DA7219_DAI_BCLKS_PER_WCLK_128:
2046		return parent_rate * 128;
2047	case DA7219_DAI_BCLKS_PER_WCLK_256:
2048		return parent_rate * 256;
2049	default:
2050		return 0;
2051	}
2052}
2053
2054static unsigned long da7219_bclk_get_factor(unsigned long rate,
2055					    unsigned long parent_rate)
2056{
2057	unsigned long factor;
2058
2059	factor = rate / parent_rate;
2060	if (factor < 64)
2061		return 32;
2062	else if (factor < 128)
2063		return 64;
2064	else if (factor < 256)
2065		return 128;
2066	else
2067		return 256;
2068}
2069
2070static long da7219_bclk_round_rate(struct clk_hw *hw, unsigned long rate,
2071				   unsigned long *parent_rate)
2072{
2073	struct da7219_priv *da7219 =
2074		container_of(hw, struct da7219_priv,
2075			     dai_clks_hw[DA7219_DAI_BCLK_IDX]);
2076	unsigned long factor;
2077
2078	if (!*parent_rate || !da7219->master)
2079		return -EINVAL;
2080
2081	/*
2082	 * We don't allow changing the parent rate as some BCLK rates can be
2083	 * derived from multiple parent WCLK rates (BCLK rates are set as a
2084	 * multiplier of WCLK in HW). We just do some rounding down based on the
2085	 * parent WCLK rate set and find the appropriate multiplier of BCLK to
2086	 * get the rounded down BCLK value.
2087	 */
2088	factor = da7219_bclk_get_factor(rate, *parent_rate);
2089
2090	return *parent_rate * factor;
2091}
2092
2093static int da7219_bclk_set_rate(struct clk_hw *hw, unsigned long rate,
2094				unsigned long parent_rate)
2095{
2096	struct da7219_priv *da7219 =
2097		container_of(hw, struct da7219_priv,
2098			     dai_clks_hw[DA7219_DAI_BCLK_IDX]);
2099	struct snd_soc_component *component = da7219->component;
2100	unsigned long factor;
2101
2102	if (!da7219->master)
2103		return -EINVAL;
2104
2105	factor = da7219_bclk_get_factor(rate, parent_rate);
2106
2107	return da7219_set_bclks_per_wclk(component, factor);
2108}
2109
2110static const struct clk_ops da7219_dai_clk_ops[DA7219_DAI_NUM_CLKS] = {
2111	[DA7219_DAI_WCLK_IDX] = {
2112		.prepare = da7219_wclk_prepare,
2113		.unprepare = da7219_wclk_unprepare,
2114		.is_prepared = da7219_wclk_is_prepared,
2115		.recalc_rate = da7219_wclk_recalc_rate,
2116		.round_rate = da7219_wclk_round_rate,
2117		.set_rate = da7219_wclk_set_rate,
2118	},
2119	[DA7219_DAI_BCLK_IDX] = {
2120		.recalc_rate = da7219_bclk_recalc_rate,
2121		.round_rate = da7219_bclk_round_rate,
2122		.set_rate = da7219_bclk_set_rate,
2123	},
2124};
2125
2126static int da7219_register_dai_clks(struct snd_soc_component *component)
2127{
2128	struct device *dev = component->dev;
2129	struct device_node *np = dev->of_node;
2130	struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
2131	struct da7219_pdata *pdata = da7219->pdata;
2132	const char *parent_name;
2133	struct clk_hw_onecell_data *clk_data;
2134	int i, ret;
2135
2136	/* For DT platforms allocate onecell data for clock registration */
2137	if (np) {
2138		clk_data = kzalloc(struct_size(clk_data, hws, DA7219_DAI_NUM_CLKS),
2139				   GFP_KERNEL);
2140		if (!clk_data)
2141			return -ENOMEM;
2142
2143		clk_data->num = DA7219_DAI_NUM_CLKS;
2144		da7219->clk_hw_data = clk_data;
2145	}
2146
2147	for (i = 0; i < DA7219_DAI_NUM_CLKS; ++i) {
2148		struct clk_init_data init = {};
2149		struct clk_lookup *dai_clk_lookup;
2150		struct clk_hw *dai_clk_hw = &da7219->dai_clks_hw[i];
2151
2152		switch (i) {
2153		case DA7219_DAI_WCLK_IDX:
2154			/*
2155			 * If we can, make MCLK the parent of WCLK to ensure
2156			 * it's enabled as required.
2157			 */
2158			if (da7219->mclk) {
2159				parent_name = __clk_get_name(da7219->mclk);
2160				init.parent_names = &parent_name;
2161				init.num_parents = 1;
2162			} else {
2163				init.parent_names = NULL;
2164				init.num_parents = 0;
2165			}
2166			break;
2167		case DA7219_DAI_BCLK_IDX:
2168			/* Make WCLK the parent of BCLK */
2169			parent_name = __clk_get_name(da7219->dai_clks[DA7219_DAI_WCLK_IDX]);
2170			init.parent_names = &parent_name;
2171			init.num_parents = 1;
2172			break;
2173		default:
2174			dev_err(dev, "Invalid clock index\n");
2175			ret = -EINVAL;
2176			goto err;
2177		}
2178
2179		init.name = pdata->dai_clk_names[i];
2180		init.ops = &da7219_dai_clk_ops[i];
2181		init.flags = CLK_GET_RATE_NOCACHE | CLK_SET_RATE_GATE;
2182		dai_clk_hw->init = &init;
2183
2184		ret = clk_hw_register(dev, dai_clk_hw);
2185		if (ret) {
2186			dev_warn(dev, "Failed to register %s: %d\n", init.name,
2187				 ret);
2188			goto err;
2189		}
2190		da7219->dai_clks[i] = dai_clk_hw->clk;
2191
2192		/* For DT setup onecell data, otherwise create lookup */
2193		if (np) {
2194			da7219->clk_hw_data->hws[i] = dai_clk_hw;
2195		} else {
2196			dai_clk_lookup = clkdev_hw_create(dai_clk_hw, init.name,
2197							  "%s", dev_name(dev));
2198			if (!dai_clk_lookup) {
2199				clk_hw_unregister(dai_clk_hw);
2200				ret = -ENOMEM;
2201				goto err;
2202			} else {
2203				da7219->dai_clks_lookup[i] = dai_clk_lookup;
2204			}
2205		}
2206	}
2207
2208	/* If we're using DT, then register as provider accordingly */
2209	if (np) {
2210		ret = of_clk_add_hw_provider(dev->of_node, of_clk_hw_onecell_get,
2211					     da7219->clk_hw_data);
2212		if (ret) {
2213			dev_err(dev, "Failed to register clock provider\n");
2214			goto err;
2215		}
2216	}
2217
2218	return 0;
2219
2220err:
2221	while (--i >= 0) {
2222		if (da7219->dai_clks_lookup[i])
2223			clkdev_drop(da7219->dai_clks_lookup[i]);
2224
2225		clk_hw_unregister(&da7219->dai_clks_hw[i]);
2226	}
2227
2228	if (np)
2229		kfree(da7219->clk_hw_data);
2230
2231	return ret;
2232}
2233
2234static void da7219_free_dai_clks(struct snd_soc_component *component)
2235{
2236	struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
2237	struct device_node *np = component->dev->of_node;
2238	int i;
2239
2240	if (np)
2241		of_clk_del_provider(np);
2242
2243	for (i = DA7219_DAI_NUM_CLKS - 1; i >= 0; --i) {
2244		if (da7219->dai_clks_lookup[i])
2245			clkdev_drop(da7219->dai_clks_lookup[i]);
2246
2247		clk_hw_unregister(&da7219->dai_clks_hw[i]);
2248	}
2249
2250	if (np)
2251		kfree(da7219->clk_hw_data);
2252}
2253#else
2254static inline int da7219_register_dai_clks(struct snd_soc_component *component)
2255{
2256	return 0;
2257}
2258
2259static void da7219_free_dai_clks(struct snd_soc_component *component) {}
2260#endif /* CONFIG_COMMON_CLK */
2261
2262static void da7219_handle_pdata(struct snd_soc_component *component)
2263{
2264	struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
2265	struct da7219_pdata *pdata = da7219->pdata;
2266
2267	if (pdata) {
2268		u8 micbias_lvl = 0;
2269
2270		da7219->wakeup_source = pdata->wakeup_source;
2271
2272		/* Mic Bias voltages */
2273		switch (pdata->micbias_lvl) {
2274		case DA7219_MICBIAS_1_6V:
2275		case DA7219_MICBIAS_1_8V:
2276		case DA7219_MICBIAS_2_0V:
2277		case DA7219_MICBIAS_2_2V:
2278		case DA7219_MICBIAS_2_4V:
2279		case DA7219_MICBIAS_2_6V:
2280			micbias_lvl |= (pdata->micbias_lvl <<
2281					DA7219_MICBIAS1_LEVEL_SHIFT);
2282			break;
2283		}
2284
2285		snd_soc_component_write(component, DA7219_MICBIAS_CTRL, micbias_lvl);
2286
2287		/*
2288		 * Calculate delay required to compensate for DC offset in
2289		 * Mic PGA, based on Mic Bias voltage.
2290		 */
2291		da7219->mic_pga_delay =  DA7219_MIC_PGA_BASE_DELAY +
2292					(pdata->micbias_lvl *
2293					 DA7219_MIC_PGA_OFFSET_DELAY);
2294
2295		/* Mic */
2296		switch (pdata->mic_amp_in_sel) {
2297		case DA7219_MIC_AMP_IN_SEL_DIFF:
2298		case DA7219_MIC_AMP_IN_SEL_SE_P:
2299		case DA7219_MIC_AMP_IN_SEL_SE_N:
2300			snd_soc_component_write(component, DA7219_MIC_1_SELECT,
2301				      pdata->mic_amp_in_sel);
2302			break;
2303		}
2304	}
2305}
2306
2307
2308/*
2309 * Regmap configs
2310 */
2311
2312static struct reg_default da7219_reg_defaults[] = {
2313	{ DA7219_MIC_1_SELECT, 0x00 },
2314	{ DA7219_CIF_TIMEOUT_CTRL, 0x01 },
2315	{ DA7219_SR_24_48, 0x00 },
2316	{ DA7219_SR, 0x0A },
2317	{ DA7219_CIF_I2C_ADDR_CFG, 0x02 },
2318	{ DA7219_PLL_CTRL, 0x10 },
2319	{ DA7219_PLL_FRAC_TOP, 0x00 },
2320	{ DA7219_PLL_FRAC_BOT, 0x00 },
2321	{ DA7219_PLL_INTEGER, 0x20 },
2322	{ DA7219_DIG_ROUTING_DAI, 0x10 },
2323	{ DA7219_DAI_CLK_MODE, 0x01 },
2324	{ DA7219_DAI_CTRL, 0x28 },
2325	{ DA7219_DAI_TDM_CTRL, 0x40 },
2326	{ DA7219_DIG_ROUTING_DAC, 0x32 },
2327	{ DA7219_DAI_OFFSET_LOWER, 0x00 },
2328	{ DA7219_DAI_OFFSET_UPPER, 0x00 },
2329	{ DA7219_REFERENCES, 0x08 },
2330	{ DA7219_MIXIN_L_SELECT, 0x00 },
2331	{ DA7219_MIXIN_L_GAIN, 0x03 },
2332	{ DA7219_ADC_L_GAIN, 0x6F },
2333	{ DA7219_ADC_FILTERS1, 0x80 },
2334	{ DA7219_MIC_1_GAIN, 0x01 },
2335	{ DA7219_SIDETONE_CTRL, 0x40 },
2336	{ DA7219_SIDETONE_GAIN, 0x0E },
2337	{ DA7219_DROUTING_ST_OUTFILT_1L, 0x01 },
2338	{ DA7219_DROUTING_ST_OUTFILT_1R, 0x02 },
2339	{ DA7219_DAC_FILTERS5, 0x00 },
2340	{ DA7219_DAC_FILTERS2, 0x88 },
2341	{ DA7219_DAC_FILTERS3, 0x88 },
2342	{ DA7219_DAC_FILTERS4, 0x08 },
2343	{ DA7219_DAC_FILTERS1, 0x80 },
2344	{ DA7219_DAC_L_GAIN, 0x6F },
2345	{ DA7219_DAC_R_GAIN, 0x6F },
2346	{ DA7219_CP_CTRL, 0x20 },
2347	{ DA7219_HP_L_GAIN, 0x39 },
2348	{ DA7219_HP_R_GAIN, 0x39 },
2349	{ DA7219_MIXOUT_L_SELECT, 0x00 },
2350	{ DA7219_MIXOUT_R_SELECT, 0x00 },
2351	{ DA7219_MICBIAS_CTRL, 0x03 },
2352	{ DA7219_MIC_1_CTRL, 0x40 },
2353	{ DA7219_MIXIN_L_CTRL, 0x40 },
2354	{ DA7219_ADC_L_CTRL, 0x40 },
2355	{ DA7219_DAC_L_CTRL, 0x40 },
2356	{ DA7219_DAC_R_CTRL, 0x40 },
2357	{ DA7219_HP_L_CTRL, 0x40 },
2358	{ DA7219_HP_R_CTRL, 0x40 },
2359	{ DA7219_MIXOUT_L_CTRL, 0x10 },
2360	{ DA7219_MIXOUT_R_CTRL, 0x10 },
2361	{ DA7219_CHIP_ID1, 0x23 },
2362	{ DA7219_CHIP_ID2, 0x93 },
2363	{ DA7219_IO_CTRL, 0x00 },
2364	{ DA7219_GAIN_RAMP_CTRL, 0x00 },
2365	{ DA7219_PC_COUNT, 0x02 },
2366	{ DA7219_CP_VOL_THRESHOLD1, 0x0E },
2367	{ DA7219_DIG_CTRL, 0x00 },
2368	{ DA7219_ALC_CTRL2, 0x00 },
2369	{ DA7219_ALC_CTRL3, 0x00 },
2370	{ DA7219_ALC_NOISE, 0x3F },
2371	{ DA7219_ALC_TARGET_MIN, 0x3F },
2372	{ DA7219_ALC_TARGET_MAX, 0x00 },
2373	{ DA7219_ALC_GAIN_LIMITS, 0xFF },
2374	{ DA7219_ALC_ANA_GAIN_LIMITS, 0x71 },
2375	{ DA7219_ALC_ANTICLIP_CTRL, 0x00 },
2376	{ DA7219_ALC_ANTICLIP_LEVEL, 0x00 },
2377	{ DA7219_DAC_NG_SETUP_TIME, 0x00 },
2378	{ DA7219_DAC_NG_OFF_THRESH, 0x00 },
2379	{ DA7219_DAC_NG_ON_THRESH, 0x00 },
2380	{ DA7219_DAC_NG_CTRL, 0x00 },
2381	{ DA7219_TONE_GEN_CFG1, 0x00 },
2382	{ DA7219_TONE_GEN_CFG2, 0x00 },
2383	{ DA7219_TONE_GEN_CYCLES, 0x00 },
2384	{ DA7219_TONE_GEN_FREQ1_L, 0x55 },
2385	{ DA7219_TONE_GEN_FREQ1_U, 0x15 },
2386	{ DA7219_TONE_GEN_FREQ2_L, 0x00 },
2387	{ DA7219_TONE_GEN_FREQ2_U, 0x40 },
2388	{ DA7219_TONE_GEN_ON_PER, 0x02 },
2389	{ DA7219_TONE_GEN_OFF_PER, 0x01 },
2390	{ DA7219_ACCDET_IRQ_MASK_A, 0x00 },
2391	{ DA7219_ACCDET_IRQ_MASK_B, 0x00 },
2392	{ DA7219_ACCDET_CONFIG_1, 0xD6 },
2393	{ DA7219_ACCDET_CONFIG_2, 0x34 },
2394	{ DA7219_ACCDET_CONFIG_3, 0x0A },
2395	{ DA7219_ACCDET_CONFIG_4, 0x16 },
2396	{ DA7219_ACCDET_CONFIG_5, 0x21 },
2397	{ DA7219_ACCDET_CONFIG_6, 0x3E },
2398	{ DA7219_ACCDET_CONFIG_7, 0x01 },
2399	{ DA7219_SYSTEM_ACTIVE, 0x00 },
2400};
2401
2402static bool da7219_volatile_register(struct device *dev, unsigned int reg)
2403{
2404	switch (reg) {
2405	case DA7219_MIC_1_GAIN_STATUS:
2406	case DA7219_MIXIN_L_GAIN_STATUS:
2407	case DA7219_ADC_L_GAIN_STATUS:
2408	case DA7219_DAC_L_GAIN_STATUS:
2409	case DA7219_DAC_R_GAIN_STATUS:
2410	case DA7219_HP_L_GAIN_STATUS:
2411	case DA7219_HP_R_GAIN_STATUS:
2412	case DA7219_CIF_CTRL:
2413	case DA7219_PLL_SRM_STS:
2414	case DA7219_ALC_CTRL1:
2415	case DA7219_SYSTEM_MODES_INPUT:
2416	case DA7219_SYSTEM_MODES_OUTPUT:
2417	case DA7219_ALC_OFFSET_AUTO_M_L:
2418	case DA7219_ALC_OFFSET_AUTO_U_L:
2419	case DA7219_TONE_GEN_CFG1:
2420	case DA7219_ACCDET_STATUS_A:
2421	case DA7219_ACCDET_STATUS_B:
2422	case DA7219_ACCDET_IRQ_EVENT_A:
2423	case DA7219_ACCDET_IRQ_EVENT_B:
2424	case DA7219_ACCDET_CONFIG_8:
2425	case DA7219_SYSTEM_STATUS:
2426		return true;
2427	default:
2428		return false;
2429	}
2430}
2431
2432static const struct regmap_config da7219_regmap_config = {
2433	.reg_bits = 8,
2434	.val_bits = 8,
2435
2436	.max_register = DA7219_SYSTEM_ACTIVE,
2437	.reg_defaults = da7219_reg_defaults,
2438	.num_reg_defaults = ARRAY_SIZE(da7219_reg_defaults),
2439	.volatile_reg = da7219_volatile_register,
2440	.cache_type = REGCACHE_RBTREE,
2441};
2442
2443static struct reg_sequence da7219_rev_aa_patch[] = {
2444	{ DA7219_REFERENCES, 0x08 },
2445};
2446
2447static int da7219_probe(struct snd_soc_component *component)
2448{
2449	struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
2450	unsigned int system_active, system_status, rev;
2451	u8 io_voltage_lvl;
2452	int i, ret;
2453
2454	da7219->component = component;
2455	mutex_init(&da7219->ctrl_lock);
2456	mutex_init(&da7219->pll_lock);
2457
2458	/* Regulator configuration */
2459	ret = da7219_handle_supplies(component, &io_voltage_lvl);
2460	if (ret)
2461		return ret;
2462
2463	regcache_cache_bypass(da7219->regmap, true);
2464
2465	/* Disable audio paths if still active from previous start */
2466	regmap_read(da7219->regmap, DA7219_SYSTEM_ACTIVE, &system_active);
2467	if (system_active) {
2468		regmap_write(da7219->regmap, DA7219_GAIN_RAMP_CTRL,
2469			     DA7219_GAIN_RAMP_RATE_NOMINAL);
2470		regmap_write(da7219->regmap, DA7219_SYSTEM_MODES_INPUT, 0x00);
2471		regmap_write(da7219->regmap, DA7219_SYSTEM_MODES_OUTPUT, 0x01);
2472
2473		for (i = 0; i < DA7219_SYS_STAT_CHECK_RETRIES; ++i) {
2474			regmap_read(da7219->regmap, DA7219_SYSTEM_STATUS,
2475				    &system_status);
2476			if (!system_status)
2477				break;
2478
2479			msleep(DA7219_SYS_STAT_CHECK_DELAY);
2480		}
2481	}
2482
2483	/* Soft reset component */
2484	regmap_write_bits(da7219->regmap, DA7219_ACCDET_CONFIG_1,
2485			  DA7219_ACCDET_EN_MASK, 0);
2486	regmap_write_bits(da7219->regmap, DA7219_CIF_CTRL,
2487			  DA7219_CIF_REG_SOFT_RESET_MASK,
2488			  DA7219_CIF_REG_SOFT_RESET_MASK);
2489	regmap_write_bits(da7219->regmap, DA7219_SYSTEM_ACTIVE,
2490			  DA7219_SYSTEM_ACTIVE_MASK, 0);
2491	regmap_write_bits(da7219->regmap, DA7219_SYSTEM_ACTIVE,
2492			  DA7219_SYSTEM_ACTIVE_MASK, 1);
2493
2494	regcache_cache_bypass(da7219->regmap, false);
2495	regmap_reinit_cache(da7219->regmap, &da7219_regmap_config);
2496
2497	/* Update IO voltage level range based on supply level */
2498	snd_soc_component_write(component, DA7219_IO_CTRL, io_voltage_lvl);
2499
2500	ret = regmap_read(da7219->regmap, DA7219_CHIP_REVISION, &rev);
2501	if (ret) {
2502		dev_err(component->dev, "Failed to read chip revision: %d\n", ret);
2503		goto err_disable_reg;
2504	}
2505
2506	switch (rev & DA7219_CHIP_MINOR_MASK) {
2507	case 0:
2508		ret = regmap_register_patch(da7219->regmap, da7219_rev_aa_patch,
2509					    ARRAY_SIZE(da7219_rev_aa_patch));
2510		if (ret) {
2511			dev_err(component->dev, "Failed to register AA patch: %d\n",
2512				ret);
2513			goto err_disable_reg;
2514		}
2515		break;
2516	default:
2517		break;
2518	}
2519
2520	/* Handle DT/ACPI/Platform data */
2521	da7219_handle_pdata(component);
2522
2523	/* Check if MCLK provided */
2524	da7219->mclk = clk_get(component->dev, "mclk");
2525	if (IS_ERR(da7219->mclk)) {
2526		if (PTR_ERR(da7219->mclk) != -ENOENT) {
2527			ret = PTR_ERR(da7219->mclk);
2528			goto err_disable_reg;
2529		} else {
2530			da7219->mclk = NULL;
2531		}
2532	}
2533
2534	/* Register CCF DAI clock control */
2535	ret = da7219_register_dai_clks(component);
2536	if (ret)
2537		goto err_put_clk;
2538
2539	/* Default PC counter to free-running */
2540	snd_soc_component_update_bits(component, DA7219_PC_COUNT, DA7219_PC_FREERUN_MASK,
2541			    DA7219_PC_FREERUN_MASK);
2542
2543	/* Default gain ramping */
2544	snd_soc_component_update_bits(component, DA7219_MIXIN_L_CTRL,
2545			    DA7219_MIXIN_L_AMP_RAMP_EN_MASK,
2546			    DA7219_MIXIN_L_AMP_RAMP_EN_MASK);
2547	snd_soc_component_update_bits(component, DA7219_ADC_L_CTRL, DA7219_ADC_L_RAMP_EN_MASK,
2548			    DA7219_ADC_L_RAMP_EN_MASK);
2549	snd_soc_component_update_bits(component, DA7219_DAC_L_CTRL, DA7219_DAC_L_RAMP_EN_MASK,
2550			    DA7219_DAC_L_RAMP_EN_MASK);
2551	snd_soc_component_update_bits(component, DA7219_DAC_R_CTRL, DA7219_DAC_R_RAMP_EN_MASK,
2552			    DA7219_DAC_R_RAMP_EN_MASK);
2553	snd_soc_component_update_bits(component, DA7219_HP_L_CTRL,
2554			    DA7219_HP_L_AMP_RAMP_EN_MASK,
2555			    DA7219_HP_L_AMP_RAMP_EN_MASK);
2556	snd_soc_component_update_bits(component, DA7219_HP_R_CTRL,
2557			    DA7219_HP_R_AMP_RAMP_EN_MASK,
2558			    DA7219_HP_R_AMP_RAMP_EN_MASK);
2559
2560	/* Default minimum gain on HP to avoid pops during DAPM sequencing */
2561	snd_soc_component_update_bits(component, DA7219_HP_L_CTRL,
2562			    DA7219_HP_L_AMP_MIN_GAIN_EN_MASK,
2563			    DA7219_HP_L_AMP_MIN_GAIN_EN_MASK);
2564	snd_soc_component_update_bits(component, DA7219_HP_R_CTRL,
2565			    DA7219_HP_R_AMP_MIN_GAIN_EN_MASK,
2566			    DA7219_HP_R_AMP_MIN_GAIN_EN_MASK);
2567
2568	/* Default infinite tone gen, start/stop by Kcontrol */
2569	snd_soc_component_write(component, DA7219_TONE_GEN_CYCLES, DA7219_BEEP_CYCLES_MASK);
2570
2571	/* Initialise AAD block */
2572	ret = da7219_aad_init(component);
2573	if (ret)
2574		goto err_free_dai_clks;
2575
2576	return 0;
2577
2578err_free_dai_clks:
2579	da7219_free_dai_clks(component);
2580
2581err_put_clk:
2582	clk_put(da7219->mclk);
2583
2584err_disable_reg:
2585	regulator_bulk_disable(DA7219_NUM_SUPPLIES, da7219->supplies);
2586	regulator_bulk_free(DA7219_NUM_SUPPLIES, da7219->supplies);
2587
2588	return ret;
2589}
2590
2591static void da7219_remove(struct snd_soc_component *component)
2592{
2593	struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
2594
2595	da7219_aad_exit(component);
2596
2597	da7219_free_dai_clks(component);
2598	clk_put(da7219->mclk);
2599
2600	/* Supplies */
2601	regulator_bulk_disable(DA7219_NUM_SUPPLIES, da7219->supplies);
2602	regulator_bulk_free(DA7219_NUM_SUPPLIES, da7219->supplies);
2603}
2604
2605#ifdef CONFIG_PM
2606static int da7219_suspend(struct snd_soc_component *component)
2607{
2608	struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
2609
2610	/* Suspend AAD if we're not a wake-up source */
2611	if (!da7219->wakeup_source)
2612		da7219_aad_suspend(component);
2613
2614	snd_soc_component_force_bias_level(component, SND_SOC_BIAS_OFF);
2615
2616	return 0;
2617}
2618
2619static int da7219_resume(struct snd_soc_component *component)
2620{
2621	struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
2622
2623	snd_soc_component_force_bias_level(component, SND_SOC_BIAS_STANDBY);
2624
2625	/* Resume AAD if previously suspended */
2626	if (!da7219->wakeup_source)
2627		da7219_aad_resume(component);
2628
2629	return 0;
2630}
2631#else
2632#define da7219_suspend NULL
2633#define da7219_resume NULL
2634#endif
2635
2636static int da7219_set_jack(struct snd_soc_component *component, struct snd_soc_jack *jack,
2637			   void *data)
2638{
2639	da7219_aad_jack_det(component, jack);
2640
2641	return 0;
2642}
2643
2644static const struct snd_soc_component_driver soc_component_dev_da7219 = {
2645	.probe			= da7219_probe,
2646	.remove			= da7219_remove,
2647	.suspend		= da7219_suspend,
2648	.resume			= da7219_resume,
2649	.set_jack		= da7219_set_jack,
2650	.set_bias_level		= da7219_set_bias_level,
2651	.controls		= da7219_snd_controls,
2652	.num_controls		= ARRAY_SIZE(da7219_snd_controls),
2653	.dapm_widgets		= da7219_dapm_widgets,
2654	.num_dapm_widgets	= ARRAY_SIZE(da7219_dapm_widgets),
2655	.dapm_routes		= da7219_audio_map,
2656	.num_dapm_routes	= ARRAY_SIZE(da7219_audio_map),
2657	.idle_bias_on		= 1,
2658	.use_pmdown_time	= 1,
2659	.endianness		= 1,
2660};
2661
2662
2663/*
2664 * I2C layer
2665 */
2666
2667static int da7219_i2c_probe(struct i2c_client *i2c)
2668{
2669	struct device *dev = &i2c->dev;
2670	struct da7219_priv *da7219;
2671	int ret;
2672
2673	da7219 = devm_kzalloc(dev, sizeof(struct da7219_priv),
2674			      GFP_KERNEL);
2675	if (!da7219)
2676		return -ENOMEM;
2677
2678	i2c_set_clientdata(i2c, da7219);
2679
2680	da7219->regmap = devm_regmap_init_i2c(i2c, &da7219_regmap_config);
2681	if (IS_ERR(da7219->regmap)) {
2682		ret = PTR_ERR(da7219->regmap);
2683		dev_err(dev, "regmap_init() failed: %d\n", ret);
2684		return ret;
2685	}
2686
2687	/* Retrieve DT/ACPI/Platform data */
2688	da7219->pdata = dev_get_platdata(dev);
2689	if (!da7219->pdata)
2690		da7219->pdata = da7219_fw_to_pdata(dev);
2691
2692	/* AAD */
2693	ret = da7219_aad_probe(i2c);
2694	if (ret)
2695		return ret;
2696
2697	ret = devm_snd_soc_register_component(dev, &soc_component_dev_da7219,
2698					      &da7219_dai, 1);
2699	if (ret < 0) {
2700		dev_err(dev, "Failed to register da7219 component: %d\n", ret);
2701	}
2702	return ret;
2703}
2704
2705static const struct i2c_device_id da7219_i2c_id[] = {
2706	{ "da7219", },
2707	{ }
2708};
2709MODULE_DEVICE_TABLE(i2c, da7219_i2c_id);
2710
2711static struct i2c_driver da7219_i2c_driver = {
2712	.driver = {
2713		.name = "da7219",
2714		.of_match_table = of_match_ptr(da7219_of_match),
2715		.acpi_match_table = ACPI_PTR(da7219_acpi_match),
2716	},
2717	.probe		= da7219_i2c_probe,
2718	.id_table	= da7219_i2c_id,
2719};
2720
2721module_i2c_driver(da7219_i2c_driver);
2722
2723MODULE_DESCRIPTION("ASoC DA7219 Codec Driver");
2724MODULE_AUTHOR("Adam Thomson <Adam.Thomson.Opensource@diasemi.com>");
2725MODULE_LICENSE("GPL");
2726