xref: /openbmc/linux/sound/soc/codecs/tlv320aic31xx.c (revision 22d55f02)
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * ALSA SoC TLV320AIC31xx CODEC Driver
4  *
5  * Copyright (C) 2014-2017 Texas Instruments Incorporated - http://www.ti.com/
6  *	Jyri Sarha <jsarha@ti.com>
7  *
8  * Based on ground work by: Ajit Kulkarni <x0175765@ti.com>
9  *
10  * The TLV320AIC31xx series of audio codecs are low-power, highly integrated
11  * high performance codecs which provides a stereo DAC, a mono ADC,
12  * and mono/stereo Class-D speaker driver.
13  */
14 
15 #include <linux/module.h>
16 #include <linux/moduleparam.h>
17 #include <linux/init.h>
18 #include <linux/delay.h>
19 #include <linux/pm.h>
20 #include <linux/i2c.h>
21 #include <linux/gpio/consumer.h>
22 #include <linux/regulator/consumer.h>
23 #include <linux/acpi.h>
24 #include <linux/of.h>
25 #include <linux/of_gpio.h>
26 #include <linux/slab.h>
27 #include <sound/core.h>
28 #include <sound/jack.h>
29 #include <sound/pcm.h>
30 #include <sound/pcm_params.h>
31 #include <sound/soc.h>
32 #include <sound/initval.h>
33 #include <sound/tlv.h>
34 #include <dt-bindings/sound/tlv320aic31xx-micbias.h>
35 
36 #include "tlv320aic31xx.h"
37 
38 static const struct reg_default aic31xx_reg_defaults[] = {
39 	{ AIC31XX_CLKMUX, 0x00 },
40 	{ AIC31XX_PLLPR, 0x11 },
41 	{ AIC31XX_PLLJ, 0x04 },
42 	{ AIC31XX_PLLDMSB, 0x00 },
43 	{ AIC31XX_PLLDLSB, 0x00 },
44 	{ AIC31XX_NDAC, 0x01 },
45 	{ AIC31XX_MDAC, 0x01 },
46 	{ AIC31XX_DOSRMSB, 0x00 },
47 	{ AIC31XX_DOSRLSB, 0x80 },
48 	{ AIC31XX_NADC, 0x01 },
49 	{ AIC31XX_MADC, 0x01 },
50 	{ AIC31XX_AOSR, 0x80 },
51 	{ AIC31XX_IFACE1, 0x00 },
52 	{ AIC31XX_DATA_OFFSET, 0x00 },
53 	{ AIC31XX_IFACE2, 0x00 },
54 	{ AIC31XX_BCLKN, 0x01 },
55 	{ AIC31XX_DACSETUP, 0x14 },
56 	{ AIC31XX_DACMUTE, 0x0c },
57 	{ AIC31XX_LDACVOL, 0x00 },
58 	{ AIC31XX_RDACVOL, 0x00 },
59 	{ AIC31XX_ADCSETUP, 0x00 },
60 	{ AIC31XX_ADCFGA, 0x80 },
61 	{ AIC31XX_ADCVOL, 0x00 },
62 	{ AIC31XX_HPDRIVER, 0x04 },
63 	{ AIC31XX_SPKAMP, 0x06 },
64 	{ AIC31XX_DACMIXERROUTE, 0x00 },
65 	{ AIC31XX_LANALOGHPL, 0x7f },
66 	{ AIC31XX_RANALOGHPR, 0x7f },
67 	{ AIC31XX_LANALOGSPL, 0x7f },
68 	{ AIC31XX_RANALOGSPR, 0x7f },
69 	{ AIC31XX_HPLGAIN, 0x02 },
70 	{ AIC31XX_HPRGAIN, 0x02 },
71 	{ AIC31XX_SPLGAIN, 0x00 },
72 	{ AIC31XX_SPRGAIN, 0x00 },
73 	{ AIC31XX_MICBIAS, 0x00 },
74 	{ AIC31XX_MICPGA, 0x80 },
75 	{ AIC31XX_MICPGAPI, 0x00 },
76 	{ AIC31XX_MICPGAMI, 0x00 },
77 };
78 
79 static bool aic31xx_volatile(struct device *dev, unsigned int reg)
80 {
81 	switch (reg) {
82 	case AIC31XX_PAGECTL: /* regmap implementation requires this */
83 	case AIC31XX_RESET: /* always clears after write */
84 	case AIC31XX_OT_FLAG:
85 	case AIC31XX_ADCFLAG:
86 	case AIC31XX_DACFLAG1:
87 	case AIC31XX_DACFLAG2:
88 	case AIC31XX_OFFLAG: /* Sticky interrupt flags */
89 	case AIC31XX_INTRDACFLAG: /* Sticky interrupt flags */
90 	case AIC31XX_INTRADCFLAG: /* Sticky interrupt flags */
91 	case AIC31XX_INTRDACFLAG2:
92 	case AIC31XX_INTRADCFLAG2:
93 	case AIC31XX_HSDETECT:
94 		return true;
95 	}
96 	return false;
97 }
98 
99 static bool aic31xx_writeable(struct device *dev, unsigned int reg)
100 {
101 	switch (reg) {
102 	case AIC31XX_OT_FLAG:
103 	case AIC31XX_ADCFLAG:
104 	case AIC31XX_DACFLAG1:
105 	case AIC31XX_DACFLAG2:
106 	case AIC31XX_OFFLAG: /* Sticky interrupt flags */
107 	case AIC31XX_INTRDACFLAG: /* Sticky interrupt flags */
108 	case AIC31XX_INTRADCFLAG: /* Sticky interrupt flags */
109 	case AIC31XX_INTRDACFLAG2:
110 	case AIC31XX_INTRADCFLAG2:
111 		return false;
112 	}
113 	return true;
114 }
115 
116 static const struct regmap_range_cfg aic31xx_ranges[] = {
117 	{
118 		.range_min = 0,
119 		.range_max = 12 * 128,
120 		.selector_reg = AIC31XX_PAGECTL,
121 		.selector_mask = 0xff,
122 		.selector_shift = 0,
123 		.window_start = 0,
124 		.window_len = 128,
125 	},
126 };
127 
128 static const struct regmap_config aic31xx_i2c_regmap = {
129 	.reg_bits = 8,
130 	.val_bits = 8,
131 	.writeable_reg = aic31xx_writeable,
132 	.volatile_reg = aic31xx_volatile,
133 	.reg_defaults = aic31xx_reg_defaults,
134 	.num_reg_defaults = ARRAY_SIZE(aic31xx_reg_defaults),
135 	.cache_type = REGCACHE_RBTREE,
136 	.ranges = aic31xx_ranges,
137 	.num_ranges = ARRAY_SIZE(aic31xx_ranges),
138 	.max_register = 12 * 128,
139 };
140 
141 static const char * const aic31xx_supply_names[] = {
142 	"HPVDD",
143 	"SPRVDD",
144 	"SPLVDD",
145 	"AVDD",
146 	"IOVDD",
147 	"DVDD",
148 };
149 
150 #define AIC31XX_NUM_SUPPLIES ARRAY_SIZE(aic31xx_supply_names)
151 
152 struct aic31xx_disable_nb {
153 	struct notifier_block nb;
154 	struct aic31xx_priv *aic31xx;
155 };
156 
157 struct aic31xx_priv {
158 	struct snd_soc_component *component;
159 	u8 i2c_regs_status;
160 	struct device *dev;
161 	struct regmap *regmap;
162 	enum aic31xx_type codec_type;
163 	struct gpio_desc *gpio_reset;
164 	int micbias_vg;
165 	struct aic31xx_pdata pdata;
166 	struct regulator_bulk_data supplies[AIC31XX_NUM_SUPPLIES];
167 	struct aic31xx_disable_nb disable_nb[AIC31XX_NUM_SUPPLIES];
168 	struct snd_soc_jack *jack;
169 	unsigned int sysclk;
170 	u8 p_div;
171 	int rate_div_line;
172 	bool master_dapm_route_applied;
173 	int irq;
174 };
175 
176 struct aic31xx_rate_divs {
177 	u32 mclk_p;
178 	u32 rate;
179 	u8 pll_j;
180 	u16 pll_d;
181 	u16 dosr;
182 	u8 ndac;
183 	u8 mdac;
184 	u8 aosr;
185 	u8 nadc;
186 	u8 madc;
187 };
188 
189 /* ADC dividers can be disabled by configuring them to 0 */
190 static const struct aic31xx_rate_divs aic31xx_divs[] = {
191 	/* mclk/p    rate  pll: j     d        dosr ndac mdac  aors nadc madc */
192 	/* 8k rate */
193 	{12000000,   8000,	8, 1920,	128,  48,  2,	128,  48,  2},
194 	{12000000,   8000,	8, 1920,	128,  32,  3,	128,  32,  3},
195 	{12500000,   8000,	7, 8643,	128,  48,  2,	128,  48,  2},
196 	/* 11.025k rate */
197 	{12000000,  11025,	7, 5264,	128,  32,  2,	128,  32,  2},
198 	{12000000,  11025,	8, 4672,	128,  24,  3,	128,  24,  3},
199 	{12500000,  11025,	7, 2253,	128,  32,  2,	128,  32,  2},
200 	/* 16k rate */
201 	{12000000,  16000,	8, 1920,	128,  24,  2,	128,  24,  2},
202 	{12000000,  16000,	8, 1920,	128,  16,  3,	128,  16,  3},
203 	{12500000,  16000,	7, 8643,	128,  24,  2,	128,  24,  2},
204 	/* 22.05k rate */
205 	{12000000,  22050,	7, 5264,	128,  16,  2,	128,  16,  2},
206 	{12000000,  22050,	8, 4672,	128,  12,  3,	128,  12,  3},
207 	{12500000,  22050,	7, 2253,	128,  16,  2,	128,  16,  2},
208 	/* 32k rate */
209 	{12000000,  32000,	8, 1920,	128,  12,  2,	128,  12,  2},
210 	{12000000,  32000,	8, 1920,	128,   8,  3,	128,   8,  3},
211 	{12500000,  32000,	7, 8643,	128,  12,  2,	128,  12,  2},
212 	/* 44.1k rate */
213 	{12000000,  44100,	7, 5264,	128,   8,  2,	128,   8,  2},
214 	{12000000,  44100,	8, 4672,	128,   6,  3,	128,   6,  3},
215 	{12500000,  44100,	7, 2253,	128,   8,  2,	128,   8,  2},
216 	/* 48k rate */
217 	{12000000,  48000,	8, 1920,	128,   8,  2,	128,   8,  2},
218 	{12000000,  48000,	7, 6800,	 96,   5,  4,	 96,   5,  4},
219 	{12500000,  48000,	7, 8643,	128,   8,  2,	128,   8,  2},
220 	/* 88.2k rate */
221 	{12000000,  88200,	7, 5264,	 64,   8,  2,	 64,   8,  2},
222 	{12000000,  88200,	8, 4672,	 64,   6,  3,	 64,   6,  3},
223 	{12500000,  88200,	7, 2253,	 64,   8,  2,	 64,   8,  2},
224 	/* 96k rate */
225 	{12000000,  96000,	8, 1920,	 64,   8,  2,	 64,   8,  2},
226 	{12000000,  96000,	7, 6800,	 48,   5,  4,	 48,   5,  4},
227 	{12500000,  96000,	7, 8643,	 64,   8,  2,	 64,   8,  2},
228 	/* 176.4k rate */
229 	{12000000, 176400,	7, 5264,	 32,   8,  2,	 32,   8,  2},
230 	{12000000, 176400,	8, 4672,	 32,   6,  3,	 32,   6,  3},
231 	{12500000, 176400,	7, 2253,	 32,   8,  2,	 32,   8,  2},
232 	/* 192k rate */
233 	{12000000, 192000,	8, 1920,	 32,   8,  2,	 32,   8,  2},
234 	{12000000, 192000,	7, 6800,	 24,   5,  4,	 24,   5,  4},
235 	{12500000, 192000,	7, 8643,	 32,   8,  2,	 32,   8,  2},
236 };
237 
238 static const char * const ldac_in_text[] = {
239 	"Off", "Left Data", "Right Data", "Mono"
240 };
241 
242 static const char * const rdac_in_text[] = {
243 	"Off", "Right Data", "Left Data", "Mono"
244 };
245 
246 static SOC_ENUM_SINGLE_DECL(ldac_in_enum, AIC31XX_DACSETUP, 4, ldac_in_text);
247 
248 static SOC_ENUM_SINGLE_DECL(rdac_in_enum, AIC31XX_DACSETUP, 2, rdac_in_text);
249 
250 static const char * const mic_select_text[] = {
251 	"Off", "FFR 10 Ohm", "FFR 20 Ohm", "FFR 40 Ohm"
252 };
253 
254 static SOC_ENUM_SINGLE_DECL(mic1lp_p_enum, AIC31XX_MICPGAPI, 6,
255 	mic_select_text);
256 static SOC_ENUM_SINGLE_DECL(mic1rp_p_enum, AIC31XX_MICPGAPI, 4,
257 	mic_select_text);
258 static SOC_ENUM_SINGLE_DECL(mic1lm_p_enum, AIC31XX_MICPGAPI, 2,
259 	mic_select_text);
260 
261 static SOC_ENUM_SINGLE_DECL(cm_m_enum, AIC31XX_MICPGAMI, 6, mic_select_text);
262 static SOC_ENUM_SINGLE_DECL(mic1lm_m_enum, AIC31XX_MICPGAMI, 4,
263 	mic_select_text);
264 
265 static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -6350, 50, 0);
266 static const DECLARE_TLV_DB_SCALE(adc_fgain_tlv, 0, 10, 0);
267 static const DECLARE_TLV_DB_SCALE(adc_cgain_tlv, -2000, 50, 0);
268 static const DECLARE_TLV_DB_SCALE(mic_pga_tlv, 0, 50, 0);
269 static const DECLARE_TLV_DB_SCALE(hp_drv_tlv, 0, 100, 0);
270 static const DECLARE_TLV_DB_SCALE(class_D_drv_tlv, 600, 600, 0);
271 static const DECLARE_TLV_DB_SCALE(hp_vol_tlv, -6350, 50, 0);
272 static const DECLARE_TLV_DB_SCALE(sp_vol_tlv, -6350, 50, 0);
273 
274 /*
275  * controls to be exported to the user space
276  */
277 static const struct snd_kcontrol_new common31xx_snd_controls[] = {
278 	SOC_DOUBLE_R_S_TLV("DAC Playback Volume", AIC31XX_LDACVOL,
279 			   AIC31XX_RDACVOL, 0, -127, 48, 7, 0, dac_vol_tlv),
280 
281 	SOC_DOUBLE_R("HP Driver Playback Switch", AIC31XX_HPLGAIN,
282 		     AIC31XX_HPRGAIN, 2, 1, 0),
283 	SOC_DOUBLE_R_TLV("HP Driver Playback Volume", AIC31XX_HPLGAIN,
284 			 AIC31XX_HPRGAIN, 3, 0x09, 0, hp_drv_tlv),
285 
286 	SOC_DOUBLE_R_TLV("HP Analog Playback Volume", AIC31XX_LANALOGHPL,
287 			 AIC31XX_RANALOGHPR, 0, 0x7F, 1, hp_vol_tlv),
288 };
289 
290 static const struct snd_kcontrol_new aic31xx_snd_controls[] = {
291 	SOC_SINGLE_TLV("ADC Fine Capture Volume", AIC31XX_ADCFGA, 4, 4, 1,
292 		       adc_fgain_tlv),
293 
294 	SOC_SINGLE("ADC Capture Switch", AIC31XX_ADCFGA, 7, 1, 1),
295 	SOC_DOUBLE_R_S_TLV("ADC Capture Volume", AIC31XX_ADCVOL, AIC31XX_ADCVOL,
296 			   0, -24, 40, 6, 0, adc_cgain_tlv),
297 
298 	SOC_SINGLE_TLV("Mic PGA Capture Volume", AIC31XX_MICPGA, 0,
299 		       119, 0, mic_pga_tlv),
300 };
301 
302 static const struct snd_kcontrol_new aic311x_snd_controls[] = {
303 	SOC_DOUBLE_R("Speaker Driver Playback Switch", AIC31XX_SPLGAIN,
304 		     AIC31XX_SPRGAIN, 2, 1, 0),
305 	SOC_DOUBLE_R_TLV("Speaker Driver Playback Volume", AIC31XX_SPLGAIN,
306 			 AIC31XX_SPRGAIN, 3, 3, 0, class_D_drv_tlv),
307 
308 	SOC_DOUBLE_R_TLV("Speaker Analog Playback Volume", AIC31XX_LANALOGSPL,
309 			 AIC31XX_RANALOGSPR, 0, 0x7F, 1, sp_vol_tlv),
310 };
311 
312 static const struct snd_kcontrol_new aic310x_snd_controls[] = {
313 	SOC_SINGLE("Speaker Driver Playback Switch", AIC31XX_SPLGAIN,
314 		   2, 1, 0),
315 	SOC_SINGLE_TLV("Speaker Driver Playback Volume", AIC31XX_SPLGAIN,
316 		       3, 3, 0, class_D_drv_tlv),
317 
318 	SOC_SINGLE_TLV("Speaker Analog Playback Volume", AIC31XX_LANALOGSPL,
319 		       0, 0x7F, 1, sp_vol_tlv),
320 };
321 
322 static const struct snd_kcontrol_new ldac_in_control =
323 	SOC_DAPM_ENUM("DAC Left Input", ldac_in_enum);
324 
325 static const struct snd_kcontrol_new rdac_in_control =
326 	SOC_DAPM_ENUM("DAC Right Input", rdac_in_enum);
327 
328 static int aic31xx_wait_bits(struct aic31xx_priv *aic31xx, unsigned int reg,
329 			     unsigned int mask, unsigned int wbits, int sleep,
330 			     int count)
331 {
332 	unsigned int bits;
333 	int counter = count;
334 	int ret = regmap_read(aic31xx->regmap, reg, &bits);
335 
336 	while ((bits & mask) != wbits && counter && !ret) {
337 		usleep_range(sleep, sleep * 2);
338 		ret = regmap_read(aic31xx->regmap, reg, &bits);
339 		counter--;
340 	}
341 	if ((bits & mask) != wbits) {
342 		dev_err(aic31xx->dev,
343 			"%s: Failed! 0x%x was 0x%x expected 0x%x (%d, 0x%x, %d us)\n",
344 			__func__, reg, bits, wbits, ret, mask,
345 			(count - counter) * sleep);
346 		ret = -1;
347 	}
348 	return ret;
349 }
350 
351 #define WIDGET_BIT(reg, shift) (((shift) << 8) | (reg))
352 
353 static int aic31xx_dapm_power_event(struct snd_soc_dapm_widget *w,
354 				    struct snd_kcontrol *kcontrol, int event)
355 {
356 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
357 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
358 	unsigned int reg = AIC31XX_DACFLAG1;
359 	unsigned int mask;
360 
361 	switch (WIDGET_BIT(w->reg, w->shift)) {
362 	case WIDGET_BIT(AIC31XX_DACSETUP, 7):
363 		mask = AIC31XX_LDACPWRSTATUS_MASK;
364 		break;
365 	case WIDGET_BIT(AIC31XX_DACSETUP, 6):
366 		mask = AIC31XX_RDACPWRSTATUS_MASK;
367 		break;
368 	case WIDGET_BIT(AIC31XX_HPDRIVER, 7):
369 		mask = AIC31XX_HPLDRVPWRSTATUS_MASK;
370 		break;
371 	case WIDGET_BIT(AIC31XX_HPDRIVER, 6):
372 		mask = AIC31XX_HPRDRVPWRSTATUS_MASK;
373 		break;
374 	case WIDGET_BIT(AIC31XX_SPKAMP, 7):
375 		mask = AIC31XX_SPLDRVPWRSTATUS_MASK;
376 		break;
377 	case WIDGET_BIT(AIC31XX_SPKAMP, 6):
378 		mask = AIC31XX_SPRDRVPWRSTATUS_MASK;
379 		break;
380 	case WIDGET_BIT(AIC31XX_ADCSETUP, 7):
381 		mask = AIC31XX_ADCPWRSTATUS_MASK;
382 		reg = AIC31XX_ADCFLAG;
383 		break;
384 	default:
385 		dev_err(component->dev, "Unknown widget '%s' calling %s\n",
386 			w->name, __func__);
387 		return -EINVAL;
388 	}
389 
390 	switch (event) {
391 	case SND_SOC_DAPM_POST_PMU:
392 		return aic31xx_wait_bits(aic31xx, reg, mask, mask, 5000, 100);
393 	case SND_SOC_DAPM_POST_PMD:
394 		return aic31xx_wait_bits(aic31xx, reg, mask, 0, 5000, 100);
395 	default:
396 		dev_dbg(component->dev,
397 			"Unhandled dapm widget event %d from %s\n",
398 			event, w->name);
399 	}
400 	return 0;
401 }
402 
403 static const struct snd_kcontrol_new aic31xx_left_output_switches[] = {
404 	SOC_DAPM_SINGLE("From Left DAC", AIC31XX_DACMIXERROUTE, 6, 1, 0),
405 	SOC_DAPM_SINGLE("From MIC1LP", AIC31XX_DACMIXERROUTE, 5, 1, 0),
406 	SOC_DAPM_SINGLE("From MIC1RP", AIC31XX_DACMIXERROUTE, 4, 1, 0),
407 };
408 
409 static const struct snd_kcontrol_new aic31xx_right_output_switches[] = {
410 	SOC_DAPM_SINGLE("From Right DAC", AIC31XX_DACMIXERROUTE, 2, 1, 0),
411 	SOC_DAPM_SINGLE("From MIC1RP", AIC31XX_DACMIXERROUTE, 1, 1, 0),
412 };
413 
414 static const struct snd_kcontrol_new dac31xx_left_output_switches[] = {
415 	SOC_DAPM_SINGLE("From Left DAC", AIC31XX_DACMIXERROUTE, 6, 1, 0),
416 	SOC_DAPM_SINGLE("From AIN1", AIC31XX_DACMIXERROUTE, 5, 1, 0),
417 	SOC_DAPM_SINGLE("From AIN2", AIC31XX_DACMIXERROUTE, 4, 1, 0),
418 };
419 
420 static const struct snd_kcontrol_new dac31xx_right_output_switches[] = {
421 	SOC_DAPM_SINGLE("From Right DAC", AIC31XX_DACMIXERROUTE, 2, 1, 0),
422 	SOC_DAPM_SINGLE("From AIN2", AIC31XX_DACMIXERROUTE, 1, 1, 0),
423 };
424 
425 static const struct snd_kcontrol_new p_term_mic1lp =
426 	SOC_DAPM_ENUM("MIC1LP P-Terminal", mic1lp_p_enum);
427 
428 static const struct snd_kcontrol_new p_term_mic1rp =
429 	SOC_DAPM_ENUM("MIC1RP P-Terminal", mic1rp_p_enum);
430 
431 static const struct snd_kcontrol_new p_term_mic1lm =
432 	SOC_DAPM_ENUM("MIC1LM P-Terminal", mic1lm_p_enum);
433 
434 static const struct snd_kcontrol_new m_term_mic1lm =
435 	SOC_DAPM_ENUM("MIC1LM M-Terminal", mic1lm_m_enum);
436 
437 static const struct snd_kcontrol_new aic31xx_dapm_hpl_switch =
438 	SOC_DAPM_SINGLE("Switch", AIC31XX_LANALOGHPL, 7, 1, 0);
439 
440 static const struct snd_kcontrol_new aic31xx_dapm_hpr_switch =
441 	SOC_DAPM_SINGLE("Switch", AIC31XX_RANALOGHPR, 7, 1, 0);
442 
443 static const struct snd_kcontrol_new aic31xx_dapm_spl_switch =
444 	SOC_DAPM_SINGLE("Switch", AIC31XX_LANALOGSPL, 7, 1, 0);
445 
446 static const struct snd_kcontrol_new aic31xx_dapm_spr_switch =
447 	SOC_DAPM_SINGLE("Switch", AIC31XX_RANALOGSPR, 7, 1, 0);
448 
449 static int mic_bias_event(struct snd_soc_dapm_widget *w,
450 			  struct snd_kcontrol *kcontrol, int event)
451 {
452 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
453 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
454 
455 	switch (event) {
456 	case SND_SOC_DAPM_POST_PMU:
457 		/* change mic bias voltage to user defined */
458 		snd_soc_component_update_bits(component, AIC31XX_MICBIAS,
459 				    AIC31XX_MICBIAS_MASK,
460 				    aic31xx->micbias_vg <<
461 				    AIC31XX_MICBIAS_SHIFT);
462 		dev_dbg(component->dev, "%s: turned on\n", __func__);
463 		break;
464 	case SND_SOC_DAPM_PRE_PMD:
465 		/* turn mic bias off */
466 		snd_soc_component_update_bits(component, AIC31XX_MICBIAS,
467 				    AIC31XX_MICBIAS_MASK, 0);
468 		dev_dbg(component->dev, "%s: turned off\n", __func__);
469 		break;
470 	}
471 	return 0;
472 }
473 
474 static const struct snd_soc_dapm_widget common31xx_dapm_widgets[] = {
475 	SND_SOC_DAPM_AIF_IN("AIF IN", "Playback", 0, SND_SOC_NOPM, 0, 0),
476 
477 	SND_SOC_DAPM_MUX("DAC Left Input",
478 			 SND_SOC_NOPM, 0, 0, &ldac_in_control),
479 	SND_SOC_DAPM_MUX("DAC Right Input",
480 			 SND_SOC_NOPM, 0, 0, &rdac_in_control),
481 	/* DACs */
482 	SND_SOC_DAPM_DAC_E("DAC Left", "Left Playback",
483 			   AIC31XX_DACSETUP, 7, 0, aic31xx_dapm_power_event,
484 			   SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
485 
486 	SND_SOC_DAPM_DAC_E("DAC Right", "Right Playback",
487 			   AIC31XX_DACSETUP, 6, 0, aic31xx_dapm_power_event,
488 			   SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
489 
490 	/* HP */
491 	SND_SOC_DAPM_SWITCH("HP Left", SND_SOC_NOPM, 0, 0,
492 			    &aic31xx_dapm_hpl_switch),
493 	SND_SOC_DAPM_SWITCH("HP Right", SND_SOC_NOPM, 0, 0,
494 			    &aic31xx_dapm_hpr_switch),
495 
496 	/* Output drivers */
497 	SND_SOC_DAPM_OUT_DRV_E("HPL Driver", AIC31XX_HPDRIVER, 7, 0,
498 			       NULL, 0, aic31xx_dapm_power_event,
499 			       SND_SOC_DAPM_POST_PMD | SND_SOC_DAPM_POST_PMU),
500 	SND_SOC_DAPM_OUT_DRV_E("HPR Driver", AIC31XX_HPDRIVER, 6, 0,
501 			       NULL, 0, aic31xx_dapm_power_event,
502 			       SND_SOC_DAPM_POST_PMD | SND_SOC_DAPM_POST_PMU),
503 
504 	/* Mic Bias */
505 	SND_SOC_DAPM_SUPPLY("MICBIAS", SND_SOC_NOPM, 0, 0, mic_bias_event,
506 			    SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
507 
508 	/* Keep BCLK/WCLK enabled even if DAC/ADC is powered down */
509 	SND_SOC_DAPM_SUPPLY("Activate I2S clocks", AIC31XX_IFACE2, 2, 0,
510 			    NULL, 0),
511 
512 	/* Outputs */
513 	SND_SOC_DAPM_OUTPUT("HPL"),
514 	SND_SOC_DAPM_OUTPUT("HPR"),
515 };
516 
517 static const struct snd_soc_dapm_widget dac31xx_dapm_widgets[] = {
518 	/* Inputs */
519 	SND_SOC_DAPM_INPUT("AIN1"),
520 	SND_SOC_DAPM_INPUT("AIN2"),
521 
522 	/* Output Mixers */
523 	SND_SOC_DAPM_MIXER("Output Left", SND_SOC_NOPM, 0, 0,
524 			   dac31xx_left_output_switches,
525 			   ARRAY_SIZE(dac31xx_left_output_switches)),
526 	SND_SOC_DAPM_MIXER("Output Right", SND_SOC_NOPM, 0, 0,
527 			   dac31xx_right_output_switches,
528 			   ARRAY_SIZE(dac31xx_right_output_switches)),
529 };
530 
531 static const struct snd_soc_dapm_widget aic31xx_dapm_widgets[] = {
532 	/* Inputs */
533 	SND_SOC_DAPM_INPUT("MIC1LP"),
534 	SND_SOC_DAPM_INPUT("MIC1RP"),
535 	SND_SOC_DAPM_INPUT("MIC1LM"),
536 
537 	/* Input Selection to MIC_PGA */
538 	SND_SOC_DAPM_MUX("MIC1LP P-Terminal", SND_SOC_NOPM, 0, 0,
539 			 &p_term_mic1lp),
540 	SND_SOC_DAPM_MUX("MIC1RP P-Terminal", SND_SOC_NOPM, 0, 0,
541 			 &p_term_mic1rp),
542 	SND_SOC_DAPM_MUX("MIC1LM P-Terminal", SND_SOC_NOPM, 0, 0,
543 			 &p_term_mic1lm),
544 
545 	/* ADC */
546 	SND_SOC_DAPM_ADC_E("ADC", "Capture", AIC31XX_ADCSETUP, 7, 0,
547 			   aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
548 			   SND_SOC_DAPM_POST_PMD),
549 
550 	SND_SOC_DAPM_MUX("MIC1LM M-Terminal", SND_SOC_NOPM, 0, 0,
551 			 &m_term_mic1lm),
552 
553 	/* Enabling & Disabling MIC Gain Ctl */
554 	SND_SOC_DAPM_PGA("MIC_GAIN_CTL", AIC31XX_MICPGA,
555 			 7, 1, NULL, 0),
556 
557 	/* Output Mixers */
558 	SND_SOC_DAPM_MIXER("Output Left", SND_SOC_NOPM, 0, 0,
559 			   aic31xx_left_output_switches,
560 			   ARRAY_SIZE(aic31xx_left_output_switches)),
561 	SND_SOC_DAPM_MIXER("Output Right", SND_SOC_NOPM, 0, 0,
562 			   aic31xx_right_output_switches,
563 			   ARRAY_SIZE(aic31xx_right_output_switches)),
564 
565 	SND_SOC_DAPM_AIF_OUT("AIF OUT", "Capture", 0, SND_SOC_NOPM, 0, 0),
566 };
567 
568 static const struct snd_soc_dapm_widget aic311x_dapm_widgets[] = {
569 	/* AIC3111 and AIC3110 have stereo class-D amplifier */
570 	SND_SOC_DAPM_OUT_DRV_E("SPL ClassD", AIC31XX_SPKAMP, 7, 0, NULL, 0,
571 			       aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
572 			       SND_SOC_DAPM_POST_PMD),
573 	SND_SOC_DAPM_OUT_DRV_E("SPR ClassD", AIC31XX_SPKAMP, 6, 0, NULL, 0,
574 			       aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
575 			       SND_SOC_DAPM_POST_PMD),
576 	SND_SOC_DAPM_SWITCH("Speaker Left", SND_SOC_NOPM, 0, 0,
577 			    &aic31xx_dapm_spl_switch),
578 	SND_SOC_DAPM_SWITCH("Speaker Right", SND_SOC_NOPM, 0, 0,
579 			    &aic31xx_dapm_spr_switch),
580 	SND_SOC_DAPM_OUTPUT("SPL"),
581 	SND_SOC_DAPM_OUTPUT("SPR"),
582 };
583 
584 /* AIC3100 and AIC3120 have only mono class-D amplifier */
585 static const struct snd_soc_dapm_widget aic310x_dapm_widgets[] = {
586 	SND_SOC_DAPM_OUT_DRV_E("SPK ClassD", AIC31XX_SPKAMP, 7, 0, NULL, 0,
587 			       aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
588 			       SND_SOC_DAPM_POST_PMD),
589 	SND_SOC_DAPM_SWITCH("Speaker", SND_SOC_NOPM, 0, 0,
590 			    &aic31xx_dapm_spl_switch),
591 	SND_SOC_DAPM_OUTPUT("SPK"),
592 };
593 
594 static const struct snd_soc_dapm_route
595 common31xx_audio_map[] = {
596 	/* DAC Input Routing */
597 	{"DAC Left Input", "Left Data", "AIF IN"},
598 	{"DAC Left Input", "Right Data", "AIF IN"},
599 	{"DAC Left Input", "Mono", "AIF IN"},
600 	{"DAC Right Input", "Left Data", "AIF IN"},
601 	{"DAC Right Input", "Right Data", "AIF IN"},
602 	{"DAC Right Input", "Mono", "AIF IN"},
603 	{"DAC Left", NULL, "DAC Left Input"},
604 	{"DAC Right", NULL, "DAC Right Input"},
605 
606 	/* HPL path */
607 	{"HP Left", "Switch", "Output Left"},
608 	{"HPL Driver", NULL, "HP Left"},
609 	{"HPL", NULL, "HPL Driver"},
610 
611 	/* HPR path */
612 	{"HP Right", "Switch", "Output Right"},
613 	{"HPR Driver", NULL, "HP Right"},
614 	{"HPR", NULL, "HPR Driver"},
615 };
616 
617 static const struct snd_soc_dapm_route
618 dac31xx_audio_map[] = {
619 	/* Left Output */
620 	{"Output Left", "From Left DAC", "DAC Left"},
621 	{"Output Left", "From AIN1", "AIN1"},
622 	{"Output Left", "From AIN2", "AIN2"},
623 
624 	/* Right Output */
625 	{"Output Right", "From Right DAC", "DAC Right"},
626 	{"Output Right", "From AIN2", "AIN2"},
627 };
628 
629 static const struct snd_soc_dapm_route
630 aic31xx_audio_map[] = {
631 	/* Mic input */
632 	{"MIC1LP P-Terminal", "FFR 10 Ohm", "MIC1LP"},
633 	{"MIC1LP P-Terminal", "FFR 20 Ohm", "MIC1LP"},
634 	{"MIC1LP P-Terminal", "FFR 40 Ohm", "MIC1LP"},
635 	{"MIC1RP P-Terminal", "FFR 10 Ohm", "MIC1RP"},
636 	{"MIC1RP P-Terminal", "FFR 20 Ohm", "MIC1RP"},
637 	{"MIC1RP P-Terminal", "FFR 40 Ohm", "MIC1RP"},
638 	{"MIC1LM P-Terminal", "FFR 10 Ohm", "MIC1LM"},
639 	{"MIC1LM P-Terminal", "FFR 20 Ohm", "MIC1LM"},
640 	{"MIC1LM P-Terminal", "FFR 40 Ohm", "MIC1LM"},
641 
642 	{"MIC1LM M-Terminal", "FFR 10 Ohm", "MIC1LM"},
643 	{"MIC1LM M-Terminal", "FFR 20 Ohm", "MIC1LM"},
644 	{"MIC1LM M-Terminal", "FFR 40 Ohm", "MIC1LM"},
645 
646 	{"MIC_GAIN_CTL", NULL, "MIC1LP P-Terminal"},
647 	{"MIC_GAIN_CTL", NULL, "MIC1RP P-Terminal"},
648 	{"MIC_GAIN_CTL", NULL, "MIC1LM P-Terminal"},
649 	{"MIC_GAIN_CTL", NULL, "MIC1LM M-Terminal"},
650 
651 	{"ADC", NULL, "MIC_GAIN_CTL"},
652 
653 	{"AIF OUT", NULL, "ADC"},
654 
655 	/* Left Output */
656 	{"Output Left", "From Left DAC", "DAC Left"},
657 	{"Output Left", "From MIC1LP", "MIC1LP"},
658 	{"Output Left", "From MIC1RP", "MIC1RP"},
659 
660 	/* Right Output */
661 	{"Output Right", "From Right DAC", "DAC Right"},
662 	{"Output Right", "From MIC1RP", "MIC1RP"},
663 };
664 
665 static const struct snd_soc_dapm_route
666 aic311x_audio_map[] = {
667 	/* SP L path */
668 	{"Speaker Left", "Switch", "Output Left"},
669 	{"SPL ClassD", NULL, "Speaker Left"},
670 	{"SPL", NULL, "SPL ClassD"},
671 
672 	/* SP R path */
673 	{"Speaker Right", "Switch", "Output Right"},
674 	{"SPR ClassD", NULL, "Speaker Right"},
675 	{"SPR", NULL, "SPR ClassD"},
676 };
677 
678 static const struct snd_soc_dapm_route
679 aic310x_audio_map[] = {
680 	/* SP L path */
681 	{"Speaker", "Switch", "Output Left"},
682 	{"SPK ClassD", NULL, "Speaker"},
683 	{"SPK", NULL, "SPK ClassD"},
684 };
685 
686 /*
687  * Always connected DAPM routes for codec clock master modes.
688  * If the codec is the master on the I2S bus, we need to power up components
689  * to have valid DAC_CLK.
690  *
691  * In order to have the I2S clocks on the bus either the DACs/ADC need to be
692  * enabled, or the P0/R29/D2 (Keep bclk/wclk in power down) need to be set.
693  *
694  * Otherwise the codec will not generate clocks on the bus.
695  */
696 static const struct snd_soc_dapm_route
697 common31xx_cm_audio_map[] = {
698 	{"HPL", NULL, "AIF IN"},
699 	{"HPR", NULL, "AIF IN"},
700 
701 	{"AIF IN", NULL, "Activate I2S clocks"},
702 };
703 
704 static const struct snd_soc_dapm_route
705 aic31xx_cm_audio_map[] = {
706 	{"AIF OUT", NULL, "MIC1LP"},
707 	{"AIF OUT", NULL, "MIC1RP"},
708 	{"AIF OUT", NULL, "MIC1LM"},
709 
710 	{"AIF OUT", NULL, "Activate I2S clocks"},
711 };
712 
713 static int aic31xx_add_controls(struct snd_soc_component *component)
714 {
715 	int ret = 0;
716 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
717 
718 	if (!(aic31xx->codec_type & DAC31XX_BIT))
719 		ret = snd_soc_add_component_controls(
720 			component, aic31xx_snd_controls,
721 			ARRAY_SIZE(aic31xx_snd_controls));
722 	if (ret)
723 		return ret;
724 
725 	if (aic31xx->codec_type & AIC31XX_STEREO_CLASS_D_BIT)
726 		ret = snd_soc_add_component_controls(
727 			component, aic311x_snd_controls,
728 			ARRAY_SIZE(aic311x_snd_controls));
729 	else
730 		ret = snd_soc_add_component_controls(
731 			component, aic310x_snd_controls,
732 			ARRAY_SIZE(aic310x_snd_controls));
733 
734 	return ret;
735 }
736 
737 static int aic31xx_add_widgets(struct snd_soc_component *component)
738 {
739 	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
740 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
741 	int ret = 0;
742 
743 	if (aic31xx->codec_type & DAC31XX_BIT) {
744 		ret = snd_soc_dapm_new_controls(
745 			dapm, dac31xx_dapm_widgets,
746 			ARRAY_SIZE(dac31xx_dapm_widgets));
747 		if (ret)
748 			return ret;
749 
750 		ret = snd_soc_dapm_add_routes(dapm, dac31xx_audio_map,
751 					      ARRAY_SIZE(dac31xx_audio_map));
752 		if (ret)
753 			return ret;
754 	} else {
755 		ret = snd_soc_dapm_new_controls(
756 			dapm, aic31xx_dapm_widgets,
757 			ARRAY_SIZE(aic31xx_dapm_widgets));
758 		if (ret)
759 			return ret;
760 
761 		ret = snd_soc_dapm_add_routes(dapm, aic31xx_audio_map,
762 					      ARRAY_SIZE(aic31xx_audio_map));
763 		if (ret)
764 			return ret;
765 	}
766 
767 	if (aic31xx->codec_type & AIC31XX_STEREO_CLASS_D_BIT) {
768 		ret = snd_soc_dapm_new_controls(
769 			dapm, aic311x_dapm_widgets,
770 			ARRAY_SIZE(aic311x_dapm_widgets));
771 		if (ret)
772 			return ret;
773 
774 		ret = snd_soc_dapm_add_routes(dapm, aic311x_audio_map,
775 					      ARRAY_SIZE(aic311x_audio_map));
776 		if (ret)
777 			return ret;
778 	} else {
779 		ret = snd_soc_dapm_new_controls(
780 			dapm, aic310x_dapm_widgets,
781 			ARRAY_SIZE(aic310x_dapm_widgets));
782 		if (ret)
783 			return ret;
784 
785 		ret = snd_soc_dapm_add_routes(dapm, aic310x_audio_map,
786 					      ARRAY_SIZE(aic310x_audio_map));
787 		if (ret)
788 			return ret;
789 	}
790 
791 	return 0;
792 }
793 
794 static int aic31xx_setup_pll(struct snd_soc_component *component,
795 			     struct snd_pcm_hw_params *params)
796 {
797 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
798 	int bclk_score = snd_soc_params_to_frame_size(params);
799 	int mclk_p;
800 	int bclk_n = 0;
801 	int match = -1;
802 	int i;
803 
804 	if (!aic31xx->sysclk || !aic31xx->p_div) {
805 		dev_err(component->dev, "Master clock not supplied\n");
806 		return -EINVAL;
807 	}
808 	mclk_p = aic31xx->sysclk / aic31xx->p_div;
809 
810 	/* Use PLL as CODEC_CLKIN and DAC_CLK as BDIV_CLKIN */
811 	snd_soc_component_update_bits(component, AIC31XX_CLKMUX,
812 			    AIC31XX_CODEC_CLKIN_MASK, AIC31XX_CODEC_CLKIN_PLL);
813 	snd_soc_component_update_bits(component, AIC31XX_IFACE2,
814 			    AIC31XX_BDIVCLK_MASK, AIC31XX_DAC2BCLK);
815 
816 	for (i = 0; i < ARRAY_SIZE(aic31xx_divs); i++) {
817 		if (aic31xx_divs[i].rate == params_rate(params) &&
818 		    aic31xx_divs[i].mclk_p == mclk_p) {
819 			int s =	(aic31xx_divs[i].dosr * aic31xx_divs[i].mdac) %
820 				snd_soc_params_to_frame_size(params);
821 			int bn = (aic31xx_divs[i].dosr * aic31xx_divs[i].mdac) /
822 				snd_soc_params_to_frame_size(params);
823 			if (s < bclk_score && bn > 0) {
824 				match = i;
825 				bclk_n = bn;
826 				bclk_score = s;
827 			}
828 		}
829 	}
830 
831 	if (match == -1) {
832 		dev_err(component->dev,
833 			"%s: Sample rate (%u) and format not supported\n",
834 			__func__, params_rate(params));
835 		/* See bellow for details how fix this. */
836 		return -EINVAL;
837 	}
838 	if (bclk_score != 0) {
839 		dev_warn(component->dev, "Can not produce exact bitclock");
840 		/* This is fine if using dsp format, but if using i2s
841 		   there may be trouble. To fix the issue edit the
842 		   aic31xx_divs table for your mclk and sample
843 		   rate. Details can be found from:
844 		   http://www.ti.com/lit/ds/symlink/tlv320aic3100.pdf
845 		   Section: 5.6 CLOCK Generation and PLL
846 		*/
847 	}
848 	i = match;
849 
850 	/* PLL configuration */
851 	snd_soc_component_update_bits(component, AIC31XX_PLLPR, AIC31XX_PLL_MASK,
852 			    (aic31xx->p_div << 4) | 0x01);
853 	snd_soc_component_write(component, AIC31XX_PLLJ, aic31xx_divs[i].pll_j);
854 
855 	snd_soc_component_write(component, AIC31XX_PLLDMSB,
856 		      aic31xx_divs[i].pll_d >> 8);
857 	snd_soc_component_write(component, AIC31XX_PLLDLSB,
858 		      aic31xx_divs[i].pll_d & 0xff);
859 
860 	/* DAC dividers configuration */
861 	snd_soc_component_update_bits(component, AIC31XX_NDAC, AIC31XX_PLL_MASK,
862 			    aic31xx_divs[i].ndac);
863 	snd_soc_component_update_bits(component, AIC31XX_MDAC, AIC31XX_PLL_MASK,
864 			    aic31xx_divs[i].mdac);
865 
866 	snd_soc_component_write(component, AIC31XX_DOSRMSB, aic31xx_divs[i].dosr >> 8);
867 	snd_soc_component_write(component, AIC31XX_DOSRLSB, aic31xx_divs[i].dosr & 0xff);
868 
869 	/* ADC dividers configuration. Write reset value 1 if not used. */
870 	snd_soc_component_update_bits(component, AIC31XX_NADC, AIC31XX_PLL_MASK,
871 			    aic31xx_divs[i].nadc ? aic31xx_divs[i].nadc : 1);
872 	snd_soc_component_update_bits(component, AIC31XX_MADC, AIC31XX_PLL_MASK,
873 			    aic31xx_divs[i].madc ? aic31xx_divs[i].madc : 1);
874 
875 	snd_soc_component_write(component, AIC31XX_AOSR, aic31xx_divs[i].aosr);
876 
877 	/* Bit clock divider configuration. */
878 	snd_soc_component_update_bits(component, AIC31XX_BCLKN,
879 			    AIC31XX_PLL_MASK, bclk_n);
880 
881 	aic31xx->rate_div_line = i;
882 
883 	dev_dbg(component->dev,
884 		"pll %d.%04d/%d dosr %d n %d m %d aosr %d n %d m %d bclk_n %d\n",
885 		aic31xx_divs[i].pll_j,
886 		aic31xx_divs[i].pll_d,
887 		aic31xx->p_div,
888 		aic31xx_divs[i].dosr,
889 		aic31xx_divs[i].ndac,
890 		aic31xx_divs[i].mdac,
891 		aic31xx_divs[i].aosr,
892 		aic31xx_divs[i].nadc,
893 		aic31xx_divs[i].madc,
894 		bclk_n
895 	);
896 
897 	return 0;
898 }
899 
900 static int aic31xx_hw_params(struct snd_pcm_substream *substream,
901 			     struct snd_pcm_hw_params *params,
902 			     struct snd_soc_dai *dai)
903 {
904 	struct snd_soc_component *component = dai->component;
905 	u8 data = 0;
906 
907 	dev_dbg(component->dev, "## %s: width %d rate %d\n",
908 		__func__, params_width(params),
909 		params_rate(params));
910 
911 	switch (params_width(params)) {
912 	case 16:
913 		break;
914 	case 20:
915 		data = (AIC31XX_WORD_LEN_20BITS <<
916 			AIC31XX_IFACE1_DATALEN_SHIFT);
917 		break;
918 	case 24:
919 		data = (AIC31XX_WORD_LEN_24BITS <<
920 			AIC31XX_IFACE1_DATALEN_SHIFT);
921 		break;
922 	case 32:
923 		data = (AIC31XX_WORD_LEN_32BITS <<
924 			AIC31XX_IFACE1_DATALEN_SHIFT);
925 		break;
926 	default:
927 		dev_err(component->dev, "%s: Unsupported width %d\n",
928 			__func__, params_width(params));
929 		return -EINVAL;
930 	}
931 
932 	snd_soc_component_update_bits(component, AIC31XX_IFACE1,
933 			    AIC31XX_IFACE1_DATALEN_MASK,
934 			    data);
935 
936 	return aic31xx_setup_pll(component, params);
937 }
938 
939 static int aic31xx_dac_mute(struct snd_soc_dai *codec_dai, int mute)
940 {
941 	struct snd_soc_component *component = codec_dai->component;
942 
943 	if (mute) {
944 		snd_soc_component_update_bits(component, AIC31XX_DACMUTE,
945 				    AIC31XX_DACMUTE_MASK,
946 				    AIC31XX_DACMUTE_MASK);
947 	} else {
948 		snd_soc_component_update_bits(component, AIC31XX_DACMUTE,
949 				    AIC31XX_DACMUTE_MASK, 0x0);
950 	}
951 
952 	return 0;
953 }
954 
955 static int aic31xx_clock_master_routes(struct snd_soc_component *component,
956 				       unsigned int fmt)
957 {
958 	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
959 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
960 	int ret;
961 
962 	fmt &= SND_SOC_DAIFMT_MASTER_MASK;
963 	if (fmt == SND_SOC_DAIFMT_CBS_CFS &&
964 	    aic31xx->master_dapm_route_applied) {
965 		/*
966 		 * Remove the DAPM route(s) for codec clock master modes,
967 		 * if applied
968 		 */
969 		ret = snd_soc_dapm_del_routes(dapm, common31xx_cm_audio_map,
970 					ARRAY_SIZE(common31xx_cm_audio_map));
971 		if (!ret && !(aic31xx->codec_type & DAC31XX_BIT))
972 			ret = snd_soc_dapm_del_routes(dapm,
973 					aic31xx_cm_audio_map,
974 					ARRAY_SIZE(aic31xx_cm_audio_map));
975 
976 		if (ret)
977 			return ret;
978 
979 		aic31xx->master_dapm_route_applied = false;
980 	} else if (fmt != SND_SOC_DAIFMT_CBS_CFS &&
981 		   !aic31xx->master_dapm_route_applied) {
982 		/*
983 		 * Add the needed DAPM route(s) for codec clock master modes,
984 		 * if it is not done already
985 		 */
986 		ret = snd_soc_dapm_add_routes(dapm, common31xx_cm_audio_map,
987 					ARRAY_SIZE(common31xx_cm_audio_map));
988 		if (!ret && !(aic31xx->codec_type & DAC31XX_BIT))
989 			ret = snd_soc_dapm_add_routes(dapm,
990 					aic31xx_cm_audio_map,
991 					ARRAY_SIZE(aic31xx_cm_audio_map));
992 
993 		if (ret)
994 			return ret;
995 
996 		aic31xx->master_dapm_route_applied = true;
997 	}
998 
999 	return 0;
1000 }
1001 
1002 static int aic31xx_set_dai_fmt(struct snd_soc_dai *codec_dai,
1003 			       unsigned int fmt)
1004 {
1005 	struct snd_soc_component *component = codec_dai->component;
1006 	u8 iface_reg1 = 0;
1007 	u8 iface_reg2 = 0;
1008 	u8 dsp_a_val = 0;
1009 
1010 	dev_dbg(component->dev, "## %s: fmt = 0x%x\n", __func__, fmt);
1011 
1012 	/* set master/slave audio interface */
1013 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1014 	case SND_SOC_DAIFMT_CBM_CFM:
1015 		iface_reg1 |= AIC31XX_BCLK_MASTER | AIC31XX_WCLK_MASTER;
1016 		break;
1017 	case SND_SOC_DAIFMT_CBS_CFM:
1018 		iface_reg1 |= AIC31XX_WCLK_MASTER;
1019 		break;
1020 	case SND_SOC_DAIFMT_CBM_CFS:
1021 		iface_reg1 |= AIC31XX_BCLK_MASTER;
1022 		break;
1023 	case SND_SOC_DAIFMT_CBS_CFS:
1024 		break;
1025 	default:
1026 		dev_err(component->dev, "Invalid DAI master/slave interface\n");
1027 		return -EINVAL;
1028 	}
1029 
1030 	/* signal polarity */
1031 	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1032 	case SND_SOC_DAIFMT_NB_NF:
1033 		break;
1034 	case SND_SOC_DAIFMT_IB_NF:
1035 		iface_reg2 |= AIC31XX_BCLKINV_MASK;
1036 		break;
1037 	default:
1038 		dev_err(component->dev, "Invalid DAI clock signal polarity\n");
1039 		return -EINVAL;
1040 	}
1041 
1042 	/* interface format */
1043 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1044 	case SND_SOC_DAIFMT_I2S:
1045 		break;
1046 	case SND_SOC_DAIFMT_DSP_A:
1047 		dsp_a_val = 0x1; /* fall through */
1048 	case SND_SOC_DAIFMT_DSP_B:
1049 		/*
1050 		 * NOTE: This CODEC samples on the falling edge of BCLK in
1051 		 * DSP mode, this is inverted compared to what most DAIs
1052 		 * expect, so we invert for this mode
1053 		 */
1054 		iface_reg2 ^= AIC31XX_BCLKINV_MASK;
1055 		iface_reg1 |= (AIC31XX_DSP_MODE <<
1056 			       AIC31XX_IFACE1_DATATYPE_SHIFT);
1057 		break;
1058 	case SND_SOC_DAIFMT_RIGHT_J:
1059 		iface_reg1 |= (AIC31XX_RIGHT_JUSTIFIED_MODE <<
1060 			       AIC31XX_IFACE1_DATATYPE_SHIFT);
1061 		break;
1062 	case SND_SOC_DAIFMT_LEFT_J:
1063 		iface_reg1 |= (AIC31XX_LEFT_JUSTIFIED_MODE <<
1064 			       AIC31XX_IFACE1_DATATYPE_SHIFT);
1065 		break;
1066 	default:
1067 		dev_err(component->dev, "Invalid DAI interface format\n");
1068 		return -EINVAL;
1069 	}
1070 
1071 	snd_soc_component_update_bits(component, AIC31XX_IFACE1,
1072 			    AIC31XX_IFACE1_DATATYPE_MASK |
1073 			    AIC31XX_IFACE1_MASTER_MASK,
1074 			    iface_reg1);
1075 	snd_soc_component_update_bits(component, AIC31XX_DATA_OFFSET,
1076 			    AIC31XX_DATA_OFFSET_MASK,
1077 			    dsp_a_val);
1078 	snd_soc_component_update_bits(component, AIC31XX_IFACE2,
1079 			    AIC31XX_BCLKINV_MASK,
1080 			    iface_reg2);
1081 
1082 	return aic31xx_clock_master_routes(component, fmt);
1083 }
1084 
1085 static int aic31xx_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1086 				  int clk_id, unsigned int freq, int dir)
1087 {
1088 	struct snd_soc_component *component = codec_dai->component;
1089 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
1090 	int i;
1091 
1092 	dev_dbg(component->dev, "## %s: clk_id = %d, freq = %d, dir = %d\n",
1093 		__func__, clk_id, freq, dir);
1094 
1095 	for (i = 1; i < 8; i++)
1096 		if (freq / i <= 20000000)
1097 			break;
1098 	if (freq/i > 20000000) {
1099 		dev_err(aic31xx->dev, "%s: Too high mclk frequency %u\n",
1100 			__func__, freq);
1101 		return -EINVAL;
1102 	}
1103 	aic31xx->p_div = i;
1104 
1105 	for (i = 0; i < ARRAY_SIZE(aic31xx_divs); i++)
1106 		if (aic31xx_divs[i].mclk_p == freq / aic31xx->p_div)
1107 			break;
1108 	if (i == ARRAY_SIZE(aic31xx_divs)) {
1109 		dev_err(aic31xx->dev, "%s: Unsupported frequency %d\n",
1110 			__func__, freq);
1111 		return -EINVAL;
1112 	}
1113 
1114 	/* set clock on MCLK, BCLK, or GPIO1 as PLL input */
1115 	snd_soc_component_update_bits(component, AIC31XX_CLKMUX, AIC31XX_PLL_CLKIN_MASK,
1116 			    clk_id << AIC31XX_PLL_CLKIN_SHIFT);
1117 
1118 	aic31xx->sysclk = freq;
1119 
1120 	return 0;
1121 }
1122 
1123 static int aic31xx_regulator_event(struct notifier_block *nb,
1124 				   unsigned long event, void *data)
1125 {
1126 	struct aic31xx_disable_nb *disable_nb =
1127 		container_of(nb, struct aic31xx_disable_nb, nb);
1128 	struct aic31xx_priv *aic31xx = disable_nb->aic31xx;
1129 
1130 	if (event & REGULATOR_EVENT_DISABLE) {
1131 		/*
1132 		 * Put codec to reset and as at least one of the
1133 		 * supplies was disabled.
1134 		 */
1135 		if (aic31xx->gpio_reset)
1136 			gpiod_set_value(aic31xx->gpio_reset, 1);
1137 
1138 		regcache_mark_dirty(aic31xx->regmap);
1139 		dev_dbg(aic31xx->dev, "## %s: DISABLE received\n", __func__);
1140 	}
1141 
1142 	return 0;
1143 }
1144 
1145 static int aic31xx_reset(struct aic31xx_priv *aic31xx)
1146 {
1147 	int ret = 0;
1148 
1149 	if (aic31xx->gpio_reset) {
1150 		gpiod_set_value(aic31xx->gpio_reset, 1);
1151 		ndelay(10); /* At least 10ns */
1152 		gpiod_set_value(aic31xx->gpio_reset, 0);
1153 	} else {
1154 		ret = regmap_write(aic31xx->regmap, AIC31XX_RESET, 1);
1155 	}
1156 	mdelay(1); /* At least 1ms */
1157 
1158 	return ret;
1159 }
1160 
1161 static void aic31xx_clk_on(struct snd_soc_component *component)
1162 {
1163 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
1164 	u8 mask = AIC31XX_PM_MASK;
1165 	u8 on = AIC31XX_PM_MASK;
1166 
1167 	dev_dbg(component->dev, "codec clock -> on (rate %d)\n",
1168 		aic31xx_divs[aic31xx->rate_div_line].rate);
1169 	snd_soc_component_update_bits(component, AIC31XX_PLLPR, mask, on);
1170 	mdelay(10);
1171 	snd_soc_component_update_bits(component, AIC31XX_NDAC, mask, on);
1172 	snd_soc_component_update_bits(component, AIC31XX_MDAC, mask, on);
1173 	if (aic31xx_divs[aic31xx->rate_div_line].nadc)
1174 		snd_soc_component_update_bits(component, AIC31XX_NADC, mask, on);
1175 	if (aic31xx_divs[aic31xx->rate_div_line].madc)
1176 		snd_soc_component_update_bits(component, AIC31XX_MADC, mask, on);
1177 	snd_soc_component_update_bits(component, AIC31XX_BCLKN, mask, on);
1178 }
1179 
1180 static void aic31xx_clk_off(struct snd_soc_component *component)
1181 {
1182 	u8 mask = AIC31XX_PM_MASK;
1183 	u8 off = 0;
1184 
1185 	dev_dbg(component->dev, "codec clock -> off\n");
1186 	snd_soc_component_update_bits(component, AIC31XX_BCLKN, mask, off);
1187 	snd_soc_component_update_bits(component, AIC31XX_MADC, mask, off);
1188 	snd_soc_component_update_bits(component, AIC31XX_NADC, mask, off);
1189 	snd_soc_component_update_bits(component, AIC31XX_MDAC, mask, off);
1190 	snd_soc_component_update_bits(component, AIC31XX_NDAC, mask, off);
1191 	snd_soc_component_update_bits(component, AIC31XX_PLLPR, mask, off);
1192 }
1193 
1194 static int aic31xx_power_on(struct snd_soc_component *component)
1195 {
1196 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
1197 	int ret;
1198 
1199 	ret = regulator_bulk_enable(ARRAY_SIZE(aic31xx->supplies),
1200 				    aic31xx->supplies);
1201 	if (ret)
1202 		return ret;
1203 
1204 	regcache_cache_only(aic31xx->regmap, false);
1205 
1206 	/* Reset device registers for a consistent power-on like state */
1207 	ret = aic31xx_reset(aic31xx);
1208 	if (ret < 0)
1209 		dev_err(aic31xx->dev, "Could not reset device: %d\n", ret);
1210 
1211 	ret = regcache_sync(aic31xx->regmap);
1212 	if (ret) {
1213 		dev_err(component->dev,
1214 			"Failed to restore cache: %d\n", ret);
1215 		regcache_cache_only(aic31xx->regmap, true);
1216 		regulator_bulk_disable(ARRAY_SIZE(aic31xx->supplies),
1217 				       aic31xx->supplies);
1218 		return ret;
1219 	}
1220 
1221 	return 0;
1222 }
1223 
1224 static void aic31xx_power_off(struct snd_soc_component *component)
1225 {
1226 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
1227 
1228 	regcache_cache_only(aic31xx->regmap, true);
1229 	regulator_bulk_disable(ARRAY_SIZE(aic31xx->supplies),
1230 			       aic31xx->supplies);
1231 }
1232 
1233 static int aic31xx_set_bias_level(struct snd_soc_component *component,
1234 				  enum snd_soc_bias_level level)
1235 {
1236 	dev_dbg(component->dev, "## %s: %d -> %d\n", __func__,
1237 		snd_soc_component_get_bias_level(component), level);
1238 
1239 	switch (level) {
1240 	case SND_SOC_BIAS_ON:
1241 		break;
1242 	case SND_SOC_BIAS_PREPARE:
1243 		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_STANDBY)
1244 			aic31xx_clk_on(component);
1245 		break;
1246 	case SND_SOC_BIAS_STANDBY:
1247 		switch (snd_soc_component_get_bias_level(component)) {
1248 		case SND_SOC_BIAS_OFF:
1249 			aic31xx_power_on(component);
1250 			break;
1251 		case SND_SOC_BIAS_PREPARE:
1252 			aic31xx_clk_off(component);
1253 			break;
1254 		default:
1255 			BUG();
1256 		}
1257 		break;
1258 	case SND_SOC_BIAS_OFF:
1259 		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_STANDBY)
1260 			aic31xx_power_off(component);
1261 		break;
1262 	}
1263 
1264 	return 0;
1265 }
1266 
1267 static int aic31xx_set_jack(struct snd_soc_component *component,
1268 			    struct snd_soc_jack *jack, void *data)
1269 {
1270 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
1271 
1272 	aic31xx->jack = jack;
1273 
1274 	/* Enable/Disable jack detection */
1275 	regmap_write(aic31xx->regmap, AIC31XX_HSDETECT,
1276 		     jack ? AIC31XX_HSD_ENABLE : 0);
1277 
1278 	return 0;
1279 }
1280 
1281 static int aic31xx_codec_probe(struct snd_soc_component *component)
1282 {
1283 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
1284 	int i, ret;
1285 
1286 	dev_dbg(aic31xx->dev, "## %s\n", __func__);
1287 
1288 	aic31xx->component = component;
1289 
1290 	for (i = 0; i < ARRAY_SIZE(aic31xx->supplies); i++) {
1291 		aic31xx->disable_nb[i].nb.notifier_call =
1292 			aic31xx_regulator_event;
1293 		aic31xx->disable_nb[i].aic31xx = aic31xx;
1294 		ret = devm_regulator_register_notifier(
1295 						aic31xx->supplies[i].consumer,
1296 						&aic31xx->disable_nb[i].nb);
1297 		if (ret) {
1298 			dev_err(component->dev,
1299 				"Failed to request regulator notifier: %d\n",
1300 				ret);
1301 			return ret;
1302 		}
1303 	}
1304 
1305 	regcache_cache_only(aic31xx->regmap, true);
1306 	regcache_mark_dirty(aic31xx->regmap);
1307 
1308 	ret = aic31xx_add_controls(component);
1309 	if (ret)
1310 		return ret;
1311 
1312 	ret = aic31xx_add_widgets(component);
1313 	if (ret)
1314 		return ret;
1315 
1316 	return 0;
1317 }
1318 
1319 static const struct snd_soc_component_driver soc_codec_driver_aic31xx = {
1320 	.probe			= aic31xx_codec_probe,
1321 	.set_jack		= aic31xx_set_jack,
1322 	.set_bias_level		= aic31xx_set_bias_level,
1323 	.controls		= common31xx_snd_controls,
1324 	.num_controls		= ARRAY_SIZE(common31xx_snd_controls),
1325 	.dapm_widgets		= common31xx_dapm_widgets,
1326 	.num_dapm_widgets	= ARRAY_SIZE(common31xx_dapm_widgets),
1327 	.dapm_routes		= common31xx_audio_map,
1328 	.num_dapm_routes	= ARRAY_SIZE(common31xx_audio_map),
1329 	.suspend_bias_off	= 1,
1330 	.idle_bias_on		= 1,
1331 	.use_pmdown_time	= 1,
1332 	.endianness		= 1,
1333 	.non_legacy_dai_naming	= 1,
1334 };
1335 
1336 static const struct snd_soc_dai_ops aic31xx_dai_ops = {
1337 	.hw_params	= aic31xx_hw_params,
1338 	.set_sysclk	= aic31xx_set_dai_sysclk,
1339 	.set_fmt	= aic31xx_set_dai_fmt,
1340 	.digital_mute	= aic31xx_dac_mute,
1341 };
1342 
1343 static struct snd_soc_dai_driver dac31xx_dai_driver[] = {
1344 	{
1345 		.name = "tlv320dac31xx-hifi",
1346 		.playback = {
1347 			.stream_name	 = "Playback",
1348 			.channels_min	 = 2,
1349 			.channels_max	 = 2,
1350 			.rates		 = AIC31XX_RATES,
1351 			.formats	 = AIC31XX_FORMATS,
1352 		},
1353 		.ops = &aic31xx_dai_ops,
1354 		.symmetric_rates = 1,
1355 	}
1356 };
1357 
1358 static struct snd_soc_dai_driver aic31xx_dai_driver[] = {
1359 	{
1360 		.name = "tlv320aic31xx-hifi",
1361 		.playback = {
1362 			.stream_name	 = "Playback",
1363 			.channels_min	 = 2,
1364 			.channels_max	 = 2,
1365 			.rates		 = AIC31XX_RATES,
1366 			.formats	 = AIC31XX_FORMATS,
1367 		},
1368 		.capture = {
1369 			.stream_name	 = "Capture",
1370 			.channels_min	 = 2,
1371 			.channels_max	 = 2,
1372 			.rates		 = AIC31XX_RATES,
1373 			.formats	 = AIC31XX_FORMATS,
1374 		},
1375 		.ops = &aic31xx_dai_ops,
1376 		.symmetric_rates = 1,
1377 	}
1378 };
1379 
1380 #if defined(CONFIG_OF)
1381 static const struct of_device_id tlv320aic31xx_of_match[] = {
1382 	{ .compatible = "ti,tlv320aic310x" },
1383 	{ .compatible = "ti,tlv320aic311x" },
1384 	{ .compatible = "ti,tlv320aic3100" },
1385 	{ .compatible = "ti,tlv320aic3110" },
1386 	{ .compatible = "ti,tlv320aic3120" },
1387 	{ .compatible = "ti,tlv320aic3111" },
1388 	{ .compatible = "ti,tlv320dac3100" },
1389 	{ .compatible = "ti,tlv320dac3101" },
1390 	{},
1391 };
1392 MODULE_DEVICE_TABLE(of, tlv320aic31xx_of_match);
1393 #endif /* CONFIG_OF */
1394 
1395 #ifdef CONFIG_ACPI
1396 static const struct acpi_device_id aic31xx_acpi_match[] = {
1397 	{ "10TI3100", 0 },
1398 	{ }
1399 };
1400 MODULE_DEVICE_TABLE(acpi, aic31xx_acpi_match);
1401 #endif
1402 
1403 static irqreturn_t aic31xx_irq(int irq, void *data)
1404 {
1405 	struct aic31xx_priv *aic31xx = data;
1406 	struct device *dev = aic31xx->dev;
1407 	unsigned int value;
1408 	bool handled = false;
1409 	int ret;
1410 
1411 	ret = regmap_read(aic31xx->regmap, AIC31XX_INTRDACFLAG, &value);
1412 	if (ret) {
1413 		dev_err(dev, "Failed to read interrupt mask: %d\n", ret);
1414 		goto exit;
1415 	}
1416 
1417 	if (value)
1418 		handled = true;
1419 	else
1420 		goto read_overflow;
1421 
1422 	if (value & AIC31XX_HPLSCDETECT)
1423 		dev_err(dev, "Short circuit on Left output is detected\n");
1424 	if (value & AIC31XX_HPRSCDETECT)
1425 		dev_err(dev, "Short circuit on Right output is detected\n");
1426 	if (value & (AIC31XX_HSPLUG | AIC31XX_BUTTONPRESS)) {
1427 		unsigned int val;
1428 		int status = 0;
1429 
1430 		ret = regmap_read(aic31xx->regmap, AIC31XX_INTRDACFLAG2,
1431 				  &val);
1432 		if (ret) {
1433 			dev_err(dev, "Failed to read interrupt mask: %d\n",
1434 				ret);
1435 			goto exit;
1436 		}
1437 
1438 		if (val & AIC31XX_BUTTONPRESS)
1439 			status |= SND_JACK_BTN_0;
1440 
1441 		ret = regmap_read(aic31xx->regmap, AIC31XX_HSDETECT, &val);
1442 		if (ret) {
1443 			dev_err(dev, "Failed to read headset type: %d\n", ret);
1444 			goto exit;
1445 		}
1446 
1447 		switch ((val & AIC31XX_HSD_TYPE_MASK) >>
1448 			AIC31XX_HSD_TYPE_SHIFT) {
1449 		case AIC31XX_HSD_HP:
1450 			status |= SND_JACK_HEADPHONE;
1451 			break;
1452 		case AIC31XX_HSD_HS:
1453 			status |= SND_JACK_HEADSET;
1454 			break;
1455 		default:
1456 			break;
1457 		}
1458 
1459 		if (aic31xx->jack)
1460 			snd_soc_jack_report(aic31xx->jack, status,
1461 					    AIC31XX_JACK_MASK);
1462 	}
1463 	if (value & ~(AIC31XX_HPLSCDETECT |
1464 		      AIC31XX_HPRSCDETECT |
1465 		      AIC31XX_HSPLUG |
1466 		      AIC31XX_BUTTONPRESS))
1467 		dev_err(dev, "Unknown DAC interrupt flags: 0x%08x\n", value);
1468 
1469 read_overflow:
1470 	ret = regmap_read(aic31xx->regmap, AIC31XX_OFFLAG, &value);
1471 	if (ret) {
1472 		dev_err(dev, "Failed to read overflow flag: %d\n", ret);
1473 		goto exit;
1474 	}
1475 
1476 	if (value)
1477 		handled = true;
1478 	else
1479 		goto exit;
1480 
1481 	if (value & AIC31XX_DAC_OF_LEFT)
1482 		dev_warn(dev, "Left-channel DAC overflow has occurred\n");
1483 	if (value & AIC31XX_DAC_OF_RIGHT)
1484 		dev_warn(dev, "Right-channel DAC overflow has occurred\n");
1485 	if (value & AIC31XX_DAC_OF_SHIFTER)
1486 		dev_warn(dev, "DAC barrel shifter overflow has occurred\n");
1487 	if (value & AIC31XX_ADC_OF)
1488 		dev_warn(dev, "ADC overflow has occurred\n");
1489 	if (value & AIC31XX_ADC_OF_SHIFTER)
1490 		dev_warn(dev, "ADC barrel shifter overflow has occurred\n");
1491 	if (value & ~(AIC31XX_DAC_OF_LEFT |
1492 		      AIC31XX_DAC_OF_RIGHT |
1493 		      AIC31XX_DAC_OF_SHIFTER |
1494 		      AIC31XX_ADC_OF |
1495 		      AIC31XX_ADC_OF_SHIFTER))
1496 		dev_warn(dev, "Unknown overflow interrupt flags: 0x%08x\n", value);
1497 
1498 exit:
1499 	if (handled)
1500 		return IRQ_HANDLED;
1501 	else
1502 		return IRQ_NONE;
1503 }
1504 
1505 static int aic31xx_i2c_probe(struct i2c_client *i2c,
1506 			     const struct i2c_device_id *id)
1507 {
1508 	struct aic31xx_priv *aic31xx;
1509 	unsigned int micbias_value = MICBIAS_2_0V;
1510 	int i, ret;
1511 
1512 	dev_dbg(&i2c->dev, "## %s: %s codec_type = %d\n", __func__,
1513 		id->name, (int)id->driver_data);
1514 
1515 	aic31xx = devm_kzalloc(&i2c->dev, sizeof(*aic31xx), GFP_KERNEL);
1516 	if (!aic31xx)
1517 		return -ENOMEM;
1518 
1519 	aic31xx->regmap = devm_regmap_init_i2c(i2c, &aic31xx_i2c_regmap);
1520 	if (IS_ERR(aic31xx->regmap)) {
1521 		ret = PTR_ERR(aic31xx->regmap);
1522 		dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1523 			ret);
1524 		return ret;
1525 	}
1526 	aic31xx->dev = &i2c->dev;
1527 	aic31xx->irq = i2c->irq;
1528 
1529 	aic31xx->codec_type = id->driver_data;
1530 
1531 	dev_set_drvdata(aic31xx->dev, aic31xx);
1532 
1533 	fwnode_property_read_u32(aic31xx->dev->fwnode, "ai31xx-micbias-vg",
1534 				 &micbias_value);
1535 	switch (micbias_value) {
1536 	case MICBIAS_2_0V:
1537 	case MICBIAS_2_5V:
1538 	case MICBIAS_AVDDV:
1539 		aic31xx->micbias_vg = micbias_value;
1540 		break;
1541 	default:
1542 		dev_err(aic31xx->dev, "Bad ai31xx-micbias-vg value %d\n",
1543 			micbias_value);
1544 		aic31xx->micbias_vg = MICBIAS_2_0V;
1545 	}
1546 
1547 	if (dev_get_platdata(aic31xx->dev)) {
1548 		memcpy(&aic31xx->pdata, dev_get_platdata(aic31xx->dev), sizeof(aic31xx->pdata));
1549 		aic31xx->codec_type = aic31xx->pdata.codec_type;
1550 		aic31xx->micbias_vg = aic31xx->pdata.micbias_vg;
1551 	}
1552 
1553 	aic31xx->gpio_reset = devm_gpiod_get_optional(aic31xx->dev, "reset",
1554 						      GPIOD_OUT_LOW);
1555 	if (IS_ERR(aic31xx->gpio_reset)) {
1556 		dev_err(aic31xx->dev, "not able to acquire gpio\n");
1557 		return PTR_ERR(aic31xx->gpio_reset);
1558 	}
1559 
1560 	for (i = 0; i < ARRAY_SIZE(aic31xx->supplies); i++)
1561 		aic31xx->supplies[i].supply = aic31xx_supply_names[i];
1562 
1563 	ret = devm_regulator_bulk_get(aic31xx->dev,
1564 				      ARRAY_SIZE(aic31xx->supplies),
1565 				      aic31xx->supplies);
1566 	if (ret) {
1567 		dev_err(aic31xx->dev, "Failed to request supplies: %d\n", ret);
1568 		return ret;
1569 	}
1570 
1571 	if (aic31xx->irq > 0) {
1572 		regmap_update_bits(aic31xx->regmap, AIC31XX_GPIO1,
1573 				   AIC31XX_GPIO1_FUNC_MASK,
1574 				   AIC31XX_GPIO1_INT1 <<
1575 				   AIC31XX_GPIO1_FUNC_SHIFT);
1576 
1577 		regmap_write(aic31xx->regmap, AIC31XX_INT1CTRL,
1578 			     AIC31XX_HSPLUGDET |
1579 			     AIC31XX_BUTTONPRESSDET |
1580 			     AIC31XX_SC |
1581 			     AIC31XX_ENGINE);
1582 
1583 		ret = devm_request_threaded_irq(aic31xx->dev, aic31xx->irq,
1584 						NULL, aic31xx_irq,
1585 						IRQF_ONESHOT, "aic31xx-irq",
1586 						aic31xx);
1587 		if (ret) {
1588 			dev_err(aic31xx->dev, "Unable to request IRQ\n");
1589 			return ret;
1590 		}
1591 	}
1592 
1593 	if (aic31xx->codec_type & DAC31XX_BIT)
1594 		return devm_snd_soc_register_component(&i2c->dev,
1595 				&soc_codec_driver_aic31xx,
1596 				dac31xx_dai_driver,
1597 				ARRAY_SIZE(dac31xx_dai_driver));
1598 	else
1599 		return devm_snd_soc_register_component(&i2c->dev,
1600 				&soc_codec_driver_aic31xx,
1601 				aic31xx_dai_driver,
1602 				ARRAY_SIZE(aic31xx_dai_driver));
1603 }
1604 
1605 static const struct i2c_device_id aic31xx_i2c_id[] = {
1606 	{ "tlv320aic310x", AIC3100 },
1607 	{ "tlv320aic311x", AIC3110 },
1608 	{ "tlv320aic3100", AIC3100 },
1609 	{ "tlv320aic3110", AIC3110 },
1610 	{ "tlv320aic3120", AIC3120 },
1611 	{ "tlv320aic3111", AIC3111 },
1612 	{ "tlv320dac3100", DAC3100 },
1613 	{ "tlv320dac3101", DAC3101 },
1614 	{ }
1615 };
1616 MODULE_DEVICE_TABLE(i2c, aic31xx_i2c_id);
1617 
1618 static struct i2c_driver aic31xx_i2c_driver = {
1619 	.driver = {
1620 		.name	= "tlv320aic31xx-codec",
1621 		.of_match_table = of_match_ptr(tlv320aic31xx_of_match),
1622 		.acpi_match_table = ACPI_PTR(aic31xx_acpi_match),
1623 	},
1624 	.probe		= aic31xx_i2c_probe,
1625 	.id_table	= aic31xx_i2c_id,
1626 };
1627 module_i2c_driver(aic31xx_i2c_driver);
1628 
1629 MODULE_AUTHOR("Jyri Sarha <jsarha@ti.com>");
1630 MODULE_DESCRIPTION("ASoC TLV320AIC31xx CODEC Driver");
1631 MODULE_LICENSE("GPL v2");
1632