xref: /openbmc/linux/sound/soc/codecs/tlv320aic31xx.c (revision 8795a739)
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(mic1lm_m_enum, AIC31XX_MICPGAMI, 4,
262 	mic_select_text);
263 
264 static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -6350, 50, 0);
265 static const DECLARE_TLV_DB_SCALE(adc_fgain_tlv, 0, 10, 0);
266 static const DECLARE_TLV_DB_SCALE(adc_cgain_tlv, -2000, 50, 0);
267 static const DECLARE_TLV_DB_SCALE(mic_pga_tlv, 0, 50, 0);
268 static const DECLARE_TLV_DB_SCALE(hp_drv_tlv, 0, 100, 0);
269 static const DECLARE_TLV_DB_SCALE(class_D_drv_tlv, 600, 600, 0);
270 static const DECLARE_TLV_DB_SCALE(hp_vol_tlv, -6350, 50, 0);
271 static const DECLARE_TLV_DB_SCALE(sp_vol_tlv, -6350, 50, 0);
272 
273 /*
274  * controls to be exported to the user space
275  */
276 static const struct snd_kcontrol_new common31xx_snd_controls[] = {
277 	SOC_DOUBLE_R_S_TLV("DAC Playback Volume", AIC31XX_LDACVOL,
278 			   AIC31XX_RDACVOL, 0, -127, 48, 7, 0, dac_vol_tlv),
279 
280 	SOC_DOUBLE_R("HP Driver Playback Switch", AIC31XX_HPLGAIN,
281 		     AIC31XX_HPRGAIN, 2, 1, 0),
282 	SOC_DOUBLE_R_TLV("HP Driver Playback Volume", AIC31XX_HPLGAIN,
283 			 AIC31XX_HPRGAIN, 3, 0x09, 0, hp_drv_tlv),
284 
285 	SOC_DOUBLE_R_TLV("HP Analog Playback Volume", AIC31XX_LANALOGHPL,
286 			 AIC31XX_RANALOGHPR, 0, 0x7F, 1, hp_vol_tlv),
287 };
288 
289 static const struct snd_kcontrol_new aic31xx_snd_controls[] = {
290 	SOC_SINGLE_TLV("ADC Fine Capture Volume", AIC31XX_ADCFGA, 4, 4, 1,
291 		       adc_fgain_tlv),
292 
293 	SOC_SINGLE("ADC Capture Switch", AIC31XX_ADCFGA, 7, 1, 1),
294 	SOC_DOUBLE_R_S_TLV("ADC Capture Volume", AIC31XX_ADCVOL, AIC31XX_ADCVOL,
295 			   0, -24, 40, 6, 0, adc_cgain_tlv),
296 
297 	SOC_SINGLE_TLV("Mic PGA Capture Volume", AIC31XX_MICPGA, 0,
298 		       119, 0, mic_pga_tlv),
299 };
300 
301 static const struct snd_kcontrol_new aic311x_snd_controls[] = {
302 	SOC_DOUBLE_R("Speaker Driver Playback Switch", AIC31XX_SPLGAIN,
303 		     AIC31XX_SPRGAIN, 2, 1, 0),
304 	SOC_DOUBLE_R_TLV("Speaker Driver Playback Volume", AIC31XX_SPLGAIN,
305 			 AIC31XX_SPRGAIN, 3, 3, 0, class_D_drv_tlv),
306 
307 	SOC_DOUBLE_R_TLV("Speaker Analog Playback Volume", AIC31XX_LANALOGSPL,
308 			 AIC31XX_RANALOGSPR, 0, 0x7F, 1, sp_vol_tlv),
309 };
310 
311 static const struct snd_kcontrol_new aic310x_snd_controls[] = {
312 	SOC_SINGLE("Speaker Driver Playback Switch", AIC31XX_SPLGAIN,
313 		   2, 1, 0),
314 	SOC_SINGLE_TLV("Speaker Driver Playback Volume", AIC31XX_SPLGAIN,
315 		       3, 3, 0, class_D_drv_tlv),
316 
317 	SOC_SINGLE_TLV("Speaker Analog Playback Volume", AIC31XX_LANALOGSPL,
318 		       0, 0x7F, 1, sp_vol_tlv),
319 };
320 
321 static const struct snd_kcontrol_new ldac_in_control =
322 	SOC_DAPM_ENUM("DAC Left Input", ldac_in_enum);
323 
324 static const struct snd_kcontrol_new rdac_in_control =
325 	SOC_DAPM_ENUM("DAC Right Input", rdac_in_enum);
326 
327 static int aic31xx_wait_bits(struct aic31xx_priv *aic31xx, unsigned int reg,
328 			     unsigned int mask, unsigned int wbits, int sleep,
329 			     int count)
330 {
331 	unsigned int bits;
332 	int counter = count;
333 	int ret = regmap_read(aic31xx->regmap, reg, &bits);
334 
335 	while ((bits & mask) != wbits && counter && !ret) {
336 		usleep_range(sleep, sleep * 2);
337 		ret = regmap_read(aic31xx->regmap, reg, &bits);
338 		counter--;
339 	}
340 	if ((bits & mask) != wbits) {
341 		dev_err(aic31xx->dev,
342 			"%s: Failed! 0x%x was 0x%x expected 0x%x (%d, 0x%x, %d us)\n",
343 			__func__, reg, bits, wbits, ret, mask,
344 			(count - counter) * sleep);
345 		ret = -1;
346 	}
347 	return ret;
348 }
349 
350 #define WIDGET_BIT(reg, shift) (((shift) << 8) | (reg))
351 
352 static int aic31xx_dapm_power_event(struct snd_soc_dapm_widget *w,
353 				    struct snd_kcontrol *kcontrol, int event)
354 {
355 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
356 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
357 	unsigned int reg = AIC31XX_DACFLAG1;
358 	unsigned int mask;
359 
360 	switch (WIDGET_BIT(w->reg, w->shift)) {
361 	case WIDGET_BIT(AIC31XX_DACSETUP, 7):
362 		mask = AIC31XX_LDACPWRSTATUS_MASK;
363 		break;
364 	case WIDGET_BIT(AIC31XX_DACSETUP, 6):
365 		mask = AIC31XX_RDACPWRSTATUS_MASK;
366 		break;
367 	case WIDGET_BIT(AIC31XX_HPDRIVER, 7):
368 		mask = AIC31XX_HPLDRVPWRSTATUS_MASK;
369 		break;
370 	case WIDGET_BIT(AIC31XX_HPDRIVER, 6):
371 		mask = AIC31XX_HPRDRVPWRSTATUS_MASK;
372 		break;
373 	case WIDGET_BIT(AIC31XX_SPKAMP, 7):
374 		mask = AIC31XX_SPLDRVPWRSTATUS_MASK;
375 		break;
376 	case WIDGET_BIT(AIC31XX_SPKAMP, 6):
377 		mask = AIC31XX_SPRDRVPWRSTATUS_MASK;
378 		break;
379 	case WIDGET_BIT(AIC31XX_ADCSETUP, 7):
380 		mask = AIC31XX_ADCPWRSTATUS_MASK;
381 		reg = AIC31XX_ADCFLAG;
382 		break;
383 	default:
384 		dev_err(component->dev, "Unknown widget '%s' calling %s\n",
385 			w->name, __func__);
386 		return -EINVAL;
387 	}
388 
389 	switch (event) {
390 	case SND_SOC_DAPM_POST_PMU:
391 		return aic31xx_wait_bits(aic31xx, reg, mask, mask, 5000, 100);
392 	case SND_SOC_DAPM_POST_PMD:
393 		return aic31xx_wait_bits(aic31xx, reg, mask, 0, 5000, 100);
394 	default:
395 		dev_dbg(component->dev,
396 			"Unhandled dapm widget event %d from %s\n",
397 			event, w->name);
398 	}
399 	return 0;
400 }
401 
402 static const struct snd_kcontrol_new aic31xx_left_output_switches[] = {
403 	SOC_DAPM_SINGLE("From Left DAC", AIC31XX_DACMIXERROUTE, 6, 1, 0),
404 	SOC_DAPM_SINGLE("From MIC1LP", AIC31XX_DACMIXERROUTE, 5, 1, 0),
405 	SOC_DAPM_SINGLE("From MIC1RP", AIC31XX_DACMIXERROUTE, 4, 1, 0),
406 };
407 
408 static const struct snd_kcontrol_new aic31xx_right_output_switches[] = {
409 	SOC_DAPM_SINGLE("From Right DAC", AIC31XX_DACMIXERROUTE, 2, 1, 0),
410 	SOC_DAPM_SINGLE("From MIC1RP", AIC31XX_DACMIXERROUTE, 1, 1, 0),
411 };
412 
413 static const struct snd_kcontrol_new dac31xx_left_output_switches[] = {
414 	SOC_DAPM_SINGLE("From Left DAC", AIC31XX_DACMIXERROUTE, 6, 1, 0),
415 	SOC_DAPM_SINGLE("From AIN1", AIC31XX_DACMIXERROUTE, 5, 1, 0),
416 	SOC_DAPM_SINGLE("From AIN2", AIC31XX_DACMIXERROUTE, 4, 1, 0),
417 };
418 
419 static const struct snd_kcontrol_new dac31xx_right_output_switches[] = {
420 	SOC_DAPM_SINGLE("From Right DAC", AIC31XX_DACMIXERROUTE, 2, 1, 0),
421 	SOC_DAPM_SINGLE("From AIN2", AIC31XX_DACMIXERROUTE, 1, 1, 0),
422 };
423 
424 static const struct snd_kcontrol_new p_term_mic1lp =
425 	SOC_DAPM_ENUM("MIC1LP P-Terminal", mic1lp_p_enum);
426 
427 static const struct snd_kcontrol_new p_term_mic1rp =
428 	SOC_DAPM_ENUM("MIC1RP P-Terminal", mic1rp_p_enum);
429 
430 static const struct snd_kcontrol_new p_term_mic1lm =
431 	SOC_DAPM_ENUM("MIC1LM P-Terminal", mic1lm_p_enum);
432 
433 static const struct snd_kcontrol_new m_term_mic1lm =
434 	SOC_DAPM_ENUM("MIC1LM M-Terminal", mic1lm_m_enum);
435 
436 static const struct snd_kcontrol_new aic31xx_dapm_hpl_switch =
437 	SOC_DAPM_SINGLE("Switch", AIC31XX_LANALOGHPL, 7, 1, 0);
438 
439 static const struct snd_kcontrol_new aic31xx_dapm_hpr_switch =
440 	SOC_DAPM_SINGLE("Switch", AIC31XX_RANALOGHPR, 7, 1, 0);
441 
442 static const struct snd_kcontrol_new aic31xx_dapm_spl_switch =
443 	SOC_DAPM_SINGLE("Switch", AIC31XX_LANALOGSPL, 7, 1, 0);
444 
445 static const struct snd_kcontrol_new aic31xx_dapm_spr_switch =
446 	SOC_DAPM_SINGLE("Switch", AIC31XX_RANALOGSPR, 7, 1, 0);
447 
448 static int mic_bias_event(struct snd_soc_dapm_widget *w,
449 			  struct snd_kcontrol *kcontrol, int event)
450 {
451 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
452 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
453 
454 	switch (event) {
455 	case SND_SOC_DAPM_POST_PMU:
456 		/* change mic bias voltage to user defined */
457 		snd_soc_component_update_bits(component, AIC31XX_MICBIAS,
458 				    AIC31XX_MICBIAS_MASK,
459 				    aic31xx->micbias_vg <<
460 				    AIC31XX_MICBIAS_SHIFT);
461 		dev_dbg(component->dev, "%s: turned on\n", __func__);
462 		break;
463 	case SND_SOC_DAPM_PRE_PMD:
464 		/* turn mic bias off */
465 		snd_soc_component_update_bits(component, AIC31XX_MICBIAS,
466 				    AIC31XX_MICBIAS_MASK, 0);
467 		dev_dbg(component->dev, "%s: turned off\n", __func__);
468 		break;
469 	}
470 	return 0;
471 }
472 
473 static const struct snd_soc_dapm_widget common31xx_dapm_widgets[] = {
474 	SND_SOC_DAPM_AIF_IN("AIF IN", "Playback", 0, SND_SOC_NOPM, 0, 0),
475 
476 	SND_SOC_DAPM_MUX("DAC Left Input",
477 			 SND_SOC_NOPM, 0, 0, &ldac_in_control),
478 	SND_SOC_DAPM_MUX("DAC Right Input",
479 			 SND_SOC_NOPM, 0, 0, &rdac_in_control),
480 	/* DACs */
481 	SND_SOC_DAPM_DAC_E("DAC Left", "Left Playback",
482 			   AIC31XX_DACSETUP, 7, 0, aic31xx_dapm_power_event,
483 			   SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
484 
485 	SND_SOC_DAPM_DAC_E("DAC Right", "Right Playback",
486 			   AIC31XX_DACSETUP, 6, 0, aic31xx_dapm_power_event,
487 			   SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
488 
489 	/* HP */
490 	SND_SOC_DAPM_SWITCH("HP Left", SND_SOC_NOPM, 0, 0,
491 			    &aic31xx_dapm_hpl_switch),
492 	SND_SOC_DAPM_SWITCH("HP Right", SND_SOC_NOPM, 0, 0,
493 			    &aic31xx_dapm_hpr_switch),
494 
495 	/* Output drivers */
496 	SND_SOC_DAPM_OUT_DRV_E("HPL Driver", AIC31XX_HPDRIVER, 7, 0,
497 			       NULL, 0, aic31xx_dapm_power_event,
498 			       SND_SOC_DAPM_POST_PMD | SND_SOC_DAPM_POST_PMU),
499 	SND_SOC_DAPM_OUT_DRV_E("HPR Driver", AIC31XX_HPDRIVER, 6, 0,
500 			       NULL, 0, aic31xx_dapm_power_event,
501 			       SND_SOC_DAPM_POST_PMD | SND_SOC_DAPM_POST_PMU),
502 
503 	/* Mic Bias */
504 	SND_SOC_DAPM_SUPPLY("MICBIAS", SND_SOC_NOPM, 0, 0, mic_bias_event,
505 			    SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
506 
507 	/* Keep BCLK/WCLK enabled even if DAC/ADC is powered down */
508 	SND_SOC_DAPM_SUPPLY("Activate I2S clocks", AIC31XX_IFACE2, 2, 0,
509 			    NULL, 0),
510 
511 	/* Outputs */
512 	SND_SOC_DAPM_OUTPUT("HPL"),
513 	SND_SOC_DAPM_OUTPUT("HPR"),
514 };
515 
516 static const struct snd_soc_dapm_widget dac31xx_dapm_widgets[] = {
517 	/* Inputs */
518 	SND_SOC_DAPM_INPUT("AIN1"),
519 	SND_SOC_DAPM_INPUT("AIN2"),
520 
521 	/* Output Mixers */
522 	SND_SOC_DAPM_MIXER("Output Left", SND_SOC_NOPM, 0, 0,
523 			   dac31xx_left_output_switches,
524 			   ARRAY_SIZE(dac31xx_left_output_switches)),
525 	SND_SOC_DAPM_MIXER("Output Right", SND_SOC_NOPM, 0, 0,
526 			   dac31xx_right_output_switches,
527 			   ARRAY_SIZE(dac31xx_right_output_switches)),
528 };
529 
530 static const struct snd_soc_dapm_widget aic31xx_dapm_widgets[] = {
531 	/* Inputs */
532 	SND_SOC_DAPM_INPUT("MIC1LP"),
533 	SND_SOC_DAPM_INPUT("MIC1RP"),
534 	SND_SOC_DAPM_INPUT("MIC1LM"),
535 
536 	/* Input Selection to MIC_PGA */
537 	SND_SOC_DAPM_MUX("MIC1LP P-Terminal", SND_SOC_NOPM, 0, 0,
538 			 &p_term_mic1lp),
539 	SND_SOC_DAPM_MUX("MIC1RP P-Terminal", SND_SOC_NOPM, 0, 0,
540 			 &p_term_mic1rp),
541 	SND_SOC_DAPM_MUX("MIC1LM P-Terminal", SND_SOC_NOPM, 0, 0,
542 			 &p_term_mic1lm),
543 
544 	/* ADC */
545 	SND_SOC_DAPM_ADC_E("ADC", "Capture", AIC31XX_ADCSETUP, 7, 0,
546 			   aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
547 			   SND_SOC_DAPM_POST_PMD),
548 
549 	SND_SOC_DAPM_MUX("MIC1LM M-Terminal", SND_SOC_NOPM, 0, 0,
550 			 &m_term_mic1lm),
551 
552 	/* Enabling & Disabling MIC Gain Ctl */
553 	SND_SOC_DAPM_PGA("MIC_GAIN_CTL", AIC31XX_MICPGA,
554 			 7, 1, NULL, 0),
555 
556 	/* Output Mixers */
557 	SND_SOC_DAPM_MIXER("Output Left", SND_SOC_NOPM, 0, 0,
558 			   aic31xx_left_output_switches,
559 			   ARRAY_SIZE(aic31xx_left_output_switches)),
560 	SND_SOC_DAPM_MIXER("Output Right", SND_SOC_NOPM, 0, 0,
561 			   aic31xx_right_output_switches,
562 			   ARRAY_SIZE(aic31xx_right_output_switches)),
563 
564 	SND_SOC_DAPM_AIF_OUT("AIF OUT", "Capture", 0, SND_SOC_NOPM, 0, 0),
565 };
566 
567 static const struct snd_soc_dapm_widget aic311x_dapm_widgets[] = {
568 	/* AIC3111 and AIC3110 have stereo class-D amplifier */
569 	SND_SOC_DAPM_OUT_DRV_E("SPL ClassD", AIC31XX_SPKAMP, 7, 0, NULL, 0,
570 			       aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
571 			       SND_SOC_DAPM_POST_PMD),
572 	SND_SOC_DAPM_OUT_DRV_E("SPR ClassD", AIC31XX_SPKAMP, 6, 0, NULL, 0,
573 			       aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
574 			       SND_SOC_DAPM_POST_PMD),
575 	SND_SOC_DAPM_SWITCH("Speaker Left", SND_SOC_NOPM, 0, 0,
576 			    &aic31xx_dapm_spl_switch),
577 	SND_SOC_DAPM_SWITCH("Speaker Right", SND_SOC_NOPM, 0, 0,
578 			    &aic31xx_dapm_spr_switch),
579 	SND_SOC_DAPM_OUTPUT("SPL"),
580 	SND_SOC_DAPM_OUTPUT("SPR"),
581 };
582 
583 /* AIC3100 and AIC3120 have only mono class-D amplifier */
584 static const struct snd_soc_dapm_widget aic310x_dapm_widgets[] = {
585 	SND_SOC_DAPM_OUT_DRV_E("SPK ClassD", AIC31XX_SPKAMP, 7, 0, NULL, 0,
586 			       aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
587 			       SND_SOC_DAPM_POST_PMD),
588 	SND_SOC_DAPM_SWITCH("Speaker", SND_SOC_NOPM, 0, 0,
589 			    &aic31xx_dapm_spl_switch),
590 	SND_SOC_DAPM_OUTPUT("SPK"),
591 };
592 
593 static const struct snd_soc_dapm_route
594 common31xx_audio_map[] = {
595 	/* DAC Input Routing */
596 	{"DAC Left Input", "Left Data", "AIF IN"},
597 	{"DAC Left Input", "Right Data", "AIF IN"},
598 	{"DAC Left Input", "Mono", "AIF IN"},
599 	{"DAC Right Input", "Left Data", "AIF IN"},
600 	{"DAC Right Input", "Right Data", "AIF IN"},
601 	{"DAC Right Input", "Mono", "AIF IN"},
602 	{"DAC Left", NULL, "DAC Left Input"},
603 	{"DAC Right", NULL, "DAC Right Input"},
604 
605 	/* HPL path */
606 	{"HP Left", "Switch", "Output Left"},
607 	{"HPL Driver", NULL, "HP Left"},
608 	{"HPL", NULL, "HPL Driver"},
609 
610 	/* HPR path */
611 	{"HP Right", "Switch", "Output Right"},
612 	{"HPR Driver", NULL, "HP Right"},
613 	{"HPR", NULL, "HPR Driver"},
614 };
615 
616 static const struct snd_soc_dapm_route
617 dac31xx_audio_map[] = {
618 	/* Left Output */
619 	{"Output Left", "From Left DAC", "DAC Left"},
620 	{"Output Left", "From AIN1", "AIN1"},
621 	{"Output Left", "From AIN2", "AIN2"},
622 
623 	/* Right Output */
624 	{"Output Right", "From Right DAC", "DAC Right"},
625 	{"Output Right", "From AIN2", "AIN2"},
626 };
627 
628 static const struct snd_soc_dapm_route
629 aic31xx_audio_map[] = {
630 	/* Mic input */
631 	{"MIC1LP P-Terminal", "FFR 10 Ohm", "MIC1LP"},
632 	{"MIC1LP P-Terminal", "FFR 20 Ohm", "MIC1LP"},
633 	{"MIC1LP P-Terminal", "FFR 40 Ohm", "MIC1LP"},
634 	{"MIC1RP P-Terminal", "FFR 10 Ohm", "MIC1RP"},
635 	{"MIC1RP P-Terminal", "FFR 20 Ohm", "MIC1RP"},
636 	{"MIC1RP P-Terminal", "FFR 40 Ohm", "MIC1RP"},
637 	{"MIC1LM P-Terminal", "FFR 10 Ohm", "MIC1LM"},
638 	{"MIC1LM P-Terminal", "FFR 20 Ohm", "MIC1LM"},
639 	{"MIC1LM P-Terminal", "FFR 40 Ohm", "MIC1LM"},
640 
641 	{"MIC1LM M-Terminal", "FFR 10 Ohm", "MIC1LM"},
642 	{"MIC1LM M-Terminal", "FFR 20 Ohm", "MIC1LM"},
643 	{"MIC1LM M-Terminal", "FFR 40 Ohm", "MIC1LM"},
644 
645 	{"MIC_GAIN_CTL", NULL, "MIC1LP P-Terminal"},
646 	{"MIC_GAIN_CTL", NULL, "MIC1RP P-Terminal"},
647 	{"MIC_GAIN_CTL", NULL, "MIC1LM P-Terminal"},
648 	{"MIC_GAIN_CTL", NULL, "MIC1LM M-Terminal"},
649 
650 	{"ADC", NULL, "MIC_GAIN_CTL"},
651 
652 	{"AIF OUT", NULL, "ADC"},
653 
654 	/* Left Output */
655 	{"Output Left", "From Left DAC", "DAC Left"},
656 	{"Output Left", "From MIC1LP", "MIC1LP"},
657 	{"Output Left", "From MIC1RP", "MIC1RP"},
658 
659 	/* Right Output */
660 	{"Output Right", "From Right DAC", "DAC Right"},
661 	{"Output Right", "From MIC1RP", "MIC1RP"},
662 };
663 
664 static const struct snd_soc_dapm_route
665 aic311x_audio_map[] = {
666 	/* SP L path */
667 	{"Speaker Left", "Switch", "Output Left"},
668 	{"SPL ClassD", NULL, "Speaker Left"},
669 	{"SPL", NULL, "SPL ClassD"},
670 
671 	/* SP R path */
672 	{"Speaker Right", "Switch", "Output Right"},
673 	{"SPR ClassD", NULL, "Speaker Right"},
674 	{"SPR", NULL, "SPR ClassD"},
675 };
676 
677 static const struct snd_soc_dapm_route
678 aic310x_audio_map[] = {
679 	/* SP L path */
680 	{"Speaker", "Switch", "Output Left"},
681 	{"SPK ClassD", NULL, "Speaker"},
682 	{"SPK", NULL, "SPK ClassD"},
683 };
684 
685 /*
686  * Always connected DAPM routes for codec clock master modes.
687  * If the codec is the master on the I2S bus, we need to power up components
688  * to have valid DAC_CLK.
689  *
690  * In order to have the I2S clocks on the bus either the DACs/ADC need to be
691  * enabled, or the P0/R29/D2 (Keep bclk/wclk in power down) need to be set.
692  *
693  * Otherwise the codec will not generate clocks on the bus.
694  */
695 static const struct snd_soc_dapm_route
696 common31xx_cm_audio_map[] = {
697 	{"HPL", NULL, "AIF IN"},
698 	{"HPR", NULL, "AIF IN"},
699 
700 	{"AIF IN", NULL, "Activate I2S clocks"},
701 };
702 
703 static const struct snd_soc_dapm_route
704 aic31xx_cm_audio_map[] = {
705 	{"AIF OUT", NULL, "MIC1LP"},
706 	{"AIF OUT", NULL, "MIC1RP"},
707 	{"AIF OUT", NULL, "MIC1LM"},
708 
709 	{"AIF OUT", NULL, "Activate I2S clocks"},
710 };
711 
712 static int aic31xx_add_controls(struct snd_soc_component *component)
713 {
714 	int ret = 0;
715 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
716 
717 	if (!(aic31xx->codec_type & DAC31XX_BIT))
718 		ret = snd_soc_add_component_controls(
719 			component, aic31xx_snd_controls,
720 			ARRAY_SIZE(aic31xx_snd_controls));
721 	if (ret)
722 		return ret;
723 
724 	if (aic31xx->codec_type & AIC31XX_STEREO_CLASS_D_BIT)
725 		ret = snd_soc_add_component_controls(
726 			component, aic311x_snd_controls,
727 			ARRAY_SIZE(aic311x_snd_controls));
728 	else
729 		ret = snd_soc_add_component_controls(
730 			component, aic310x_snd_controls,
731 			ARRAY_SIZE(aic310x_snd_controls));
732 
733 	return ret;
734 }
735 
736 static int aic31xx_add_widgets(struct snd_soc_component *component)
737 {
738 	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
739 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
740 	int ret = 0;
741 
742 	if (aic31xx->codec_type & DAC31XX_BIT) {
743 		ret = snd_soc_dapm_new_controls(
744 			dapm, dac31xx_dapm_widgets,
745 			ARRAY_SIZE(dac31xx_dapm_widgets));
746 		if (ret)
747 			return ret;
748 
749 		ret = snd_soc_dapm_add_routes(dapm, dac31xx_audio_map,
750 					      ARRAY_SIZE(dac31xx_audio_map));
751 		if (ret)
752 			return ret;
753 	} else {
754 		ret = snd_soc_dapm_new_controls(
755 			dapm, aic31xx_dapm_widgets,
756 			ARRAY_SIZE(aic31xx_dapm_widgets));
757 		if (ret)
758 			return ret;
759 
760 		ret = snd_soc_dapm_add_routes(dapm, aic31xx_audio_map,
761 					      ARRAY_SIZE(aic31xx_audio_map));
762 		if (ret)
763 			return ret;
764 	}
765 
766 	if (aic31xx->codec_type & AIC31XX_STEREO_CLASS_D_BIT) {
767 		ret = snd_soc_dapm_new_controls(
768 			dapm, aic311x_dapm_widgets,
769 			ARRAY_SIZE(aic311x_dapm_widgets));
770 		if (ret)
771 			return ret;
772 
773 		ret = snd_soc_dapm_add_routes(dapm, aic311x_audio_map,
774 					      ARRAY_SIZE(aic311x_audio_map));
775 		if (ret)
776 			return ret;
777 	} else {
778 		ret = snd_soc_dapm_new_controls(
779 			dapm, aic310x_dapm_widgets,
780 			ARRAY_SIZE(aic310x_dapm_widgets));
781 		if (ret)
782 			return ret;
783 
784 		ret = snd_soc_dapm_add_routes(dapm, aic310x_audio_map,
785 					      ARRAY_SIZE(aic310x_audio_map));
786 		if (ret)
787 			return ret;
788 	}
789 
790 	return 0;
791 }
792 
793 static int aic31xx_setup_pll(struct snd_soc_component *component,
794 			     struct snd_pcm_hw_params *params)
795 {
796 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
797 	int bclk_score = snd_soc_params_to_frame_size(params);
798 	int mclk_p;
799 	int bclk_n = 0;
800 	int match = -1;
801 	int i;
802 
803 	if (!aic31xx->sysclk || !aic31xx->p_div) {
804 		dev_err(component->dev, "Master clock not supplied\n");
805 		return -EINVAL;
806 	}
807 	mclk_p = aic31xx->sysclk / aic31xx->p_div;
808 
809 	/* Use PLL as CODEC_CLKIN and DAC_CLK as BDIV_CLKIN */
810 	snd_soc_component_update_bits(component, AIC31XX_CLKMUX,
811 			    AIC31XX_CODEC_CLKIN_MASK, AIC31XX_CODEC_CLKIN_PLL);
812 	snd_soc_component_update_bits(component, AIC31XX_IFACE2,
813 			    AIC31XX_BDIVCLK_MASK, AIC31XX_DAC2BCLK);
814 
815 	for (i = 0; i < ARRAY_SIZE(aic31xx_divs); i++) {
816 		if (aic31xx_divs[i].rate == params_rate(params) &&
817 		    aic31xx_divs[i].mclk_p == mclk_p) {
818 			int s =	(aic31xx_divs[i].dosr * aic31xx_divs[i].mdac) %
819 				snd_soc_params_to_frame_size(params);
820 			int bn = (aic31xx_divs[i].dosr * aic31xx_divs[i].mdac) /
821 				snd_soc_params_to_frame_size(params);
822 			if (s < bclk_score && bn > 0) {
823 				match = i;
824 				bclk_n = bn;
825 				bclk_score = s;
826 			}
827 		}
828 	}
829 
830 	if (match == -1) {
831 		dev_err(component->dev,
832 			"%s: Sample rate (%u) and format not supported\n",
833 			__func__, params_rate(params));
834 		/* See bellow for details how fix this. */
835 		return -EINVAL;
836 	}
837 	if (bclk_score != 0) {
838 		dev_warn(component->dev, "Can not produce exact bitclock");
839 		/* This is fine if using dsp format, but if using i2s
840 		   there may be trouble. To fix the issue edit the
841 		   aic31xx_divs table for your mclk and sample
842 		   rate. Details can be found from:
843 		   http://www.ti.com/lit/ds/symlink/tlv320aic3100.pdf
844 		   Section: 5.6 CLOCK Generation and PLL
845 		*/
846 	}
847 	i = match;
848 
849 	/* PLL configuration */
850 	snd_soc_component_update_bits(component, AIC31XX_PLLPR, AIC31XX_PLL_MASK,
851 			    (aic31xx->p_div << 4) | 0x01);
852 	snd_soc_component_write(component, AIC31XX_PLLJ, aic31xx_divs[i].pll_j);
853 
854 	snd_soc_component_write(component, AIC31XX_PLLDMSB,
855 		      aic31xx_divs[i].pll_d >> 8);
856 	snd_soc_component_write(component, AIC31XX_PLLDLSB,
857 		      aic31xx_divs[i].pll_d & 0xff);
858 
859 	/* DAC dividers configuration */
860 	snd_soc_component_update_bits(component, AIC31XX_NDAC, AIC31XX_PLL_MASK,
861 			    aic31xx_divs[i].ndac);
862 	snd_soc_component_update_bits(component, AIC31XX_MDAC, AIC31XX_PLL_MASK,
863 			    aic31xx_divs[i].mdac);
864 
865 	snd_soc_component_write(component, AIC31XX_DOSRMSB, aic31xx_divs[i].dosr >> 8);
866 	snd_soc_component_write(component, AIC31XX_DOSRLSB, aic31xx_divs[i].dosr & 0xff);
867 
868 	/* ADC dividers configuration. Write reset value 1 if not used. */
869 	snd_soc_component_update_bits(component, AIC31XX_NADC, AIC31XX_PLL_MASK,
870 			    aic31xx_divs[i].nadc ? aic31xx_divs[i].nadc : 1);
871 	snd_soc_component_update_bits(component, AIC31XX_MADC, AIC31XX_PLL_MASK,
872 			    aic31xx_divs[i].madc ? aic31xx_divs[i].madc : 1);
873 
874 	snd_soc_component_write(component, AIC31XX_AOSR, aic31xx_divs[i].aosr);
875 
876 	/* Bit clock divider configuration. */
877 	snd_soc_component_update_bits(component, AIC31XX_BCLKN,
878 			    AIC31XX_PLL_MASK, bclk_n);
879 
880 	aic31xx->rate_div_line = i;
881 
882 	dev_dbg(component->dev,
883 		"pll %d.%04d/%d dosr %d n %d m %d aosr %d n %d m %d bclk_n %d\n",
884 		aic31xx_divs[i].pll_j,
885 		aic31xx_divs[i].pll_d,
886 		aic31xx->p_div,
887 		aic31xx_divs[i].dosr,
888 		aic31xx_divs[i].ndac,
889 		aic31xx_divs[i].mdac,
890 		aic31xx_divs[i].aosr,
891 		aic31xx_divs[i].nadc,
892 		aic31xx_divs[i].madc,
893 		bclk_n
894 	);
895 
896 	return 0;
897 }
898 
899 static int aic31xx_hw_params(struct snd_pcm_substream *substream,
900 			     struct snd_pcm_hw_params *params,
901 			     struct snd_soc_dai *dai)
902 {
903 	struct snd_soc_component *component = dai->component;
904 	u8 data = 0;
905 
906 	dev_dbg(component->dev, "## %s: width %d rate %d\n",
907 		__func__, params_width(params),
908 		params_rate(params));
909 
910 	switch (params_width(params)) {
911 	case 16:
912 		break;
913 	case 20:
914 		data = (AIC31XX_WORD_LEN_20BITS <<
915 			AIC31XX_IFACE1_DATALEN_SHIFT);
916 		break;
917 	case 24:
918 		data = (AIC31XX_WORD_LEN_24BITS <<
919 			AIC31XX_IFACE1_DATALEN_SHIFT);
920 		break;
921 	case 32:
922 		data = (AIC31XX_WORD_LEN_32BITS <<
923 			AIC31XX_IFACE1_DATALEN_SHIFT);
924 		break;
925 	default:
926 		dev_err(component->dev, "%s: Unsupported width %d\n",
927 			__func__, params_width(params));
928 		return -EINVAL;
929 	}
930 
931 	snd_soc_component_update_bits(component, AIC31XX_IFACE1,
932 			    AIC31XX_IFACE1_DATALEN_MASK,
933 			    data);
934 
935 	return aic31xx_setup_pll(component, params);
936 }
937 
938 static int aic31xx_dac_mute(struct snd_soc_dai *codec_dai, int mute)
939 {
940 	struct snd_soc_component *component = codec_dai->component;
941 
942 	if (mute) {
943 		snd_soc_component_update_bits(component, AIC31XX_DACMUTE,
944 				    AIC31XX_DACMUTE_MASK,
945 				    AIC31XX_DACMUTE_MASK);
946 	} else {
947 		snd_soc_component_update_bits(component, AIC31XX_DACMUTE,
948 				    AIC31XX_DACMUTE_MASK, 0x0);
949 	}
950 
951 	return 0;
952 }
953 
954 static int aic31xx_clock_master_routes(struct snd_soc_component *component,
955 				       unsigned int fmt)
956 {
957 	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
958 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
959 	int ret;
960 
961 	fmt &= SND_SOC_DAIFMT_MASTER_MASK;
962 	if (fmt == SND_SOC_DAIFMT_CBS_CFS &&
963 	    aic31xx->master_dapm_route_applied) {
964 		/*
965 		 * Remove the DAPM route(s) for codec clock master modes,
966 		 * if applied
967 		 */
968 		ret = snd_soc_dapm_del_routes(dapm, common31xx_cm_audio_map,
969 					ARRAY_SIZE(common31xx_cm_audio_map));
970 		if (!ret && !(aic31xx->codec_type & DAC31XX_BIT))
971 			ret = snd_soc_dapm_del_routes(dapm,
972 					aic31xx_cm_audio_map,
973 					ARRAY_SIZE(aic31xx_cm_audio_map));
974 
975 		if (ret)
976 			return ret;
977 
978 		aic31xx->master_dapm_route_applied = false;
979 	} else if (fmt != SND_SOC_DAIFMT_CBS_CFS &&
980 		   !aic31xx->master_dapm_route_applied) {
981 		/*
982 		 * Add the needed DAPM route(s) for codec clock master modes,
983 		 * if it is not done already
984 		 */
985 		ret = snd_soc_dapm_add_routes(dapm, common31xx_cm_audio_map,
986 					ARRAY_SIZE(common31xx_cm_audio_map));
987 		if (!ret && !(aic31xx->codec_type & DAC31XX_BIT))
988 			ret = snd_soc_dapm_add_routes(dapm,
989 					aic31xx_cm_audio_map,
990 					ARRAY_SIZE(aic31xx_cm_audio_map));
991 
992 		if (ret)
993 			return ret;
994 
995 		aic31xx->master_dapm_route_applied = true;
996 	}
997 
998 	return 0;
999 }
1000 
1001 static int aic31xx_set_dai_fmt(struct snd_soc_dai *codec_dai,
1002 			       unsigned int fmt)
1003 {
1004 	struct snd_soc_component *component = codec_dai->component;
1005 	u8 iface_reg1 = 0;
1006 	u8 iface_reg2 = 0;
1007 	u8 dsp_a_val = 0;
1008 
1009 	dev_dbg(component->dev, "## %s: fmt = 0x%x\n", __func__, fmt);
1010 
1011 	/* set master/slave audio interface */
1012 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1013 	case SND_SOC_DAIFMT_CBM_CFM:
1014 		iface_reg1 |= AIC31XX_BCLK_MASTER | AIC31XX_WCLK_MASTER;
1015 		break;
1016 	case SND_SOC_DAIFMT_CBS_CFM:
1017 		iface_reg1 |= AIC31XX_WCLK_MASTER;
1018 		break;
1019 	case SND_SOC_DAIFMT_CBM_CFS:
1020 		iface_reg1 |= AIC31XX_BCLK_MASTER;
1021 		break;
1022 	case SND_SOC_DAIFMT_CBS_CFS:
1023 		break;
1024 	default:
1025 		dev_err(component->dev, "Invalid DAI master/slave interface\n");
1026 		return -EINVAL;
1027 	}
1028 
1029 	/* signal polarity */
1030 	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1031 	case SND_SOC_DAIFMT_NB_NF:
1032 		break;
1033 	case SND_SOC_DAIFMT_IB_NF:
1034 		iface_reg2 |= AIC31XX_BCLKINV_MASK;
1035 		break;
1036 	default:
1037 		dev_err(component->dev, "Invalid DAI clock signal polarity\n");
1038 		return -EINVAL;
1039 	}
1040 
1041 	/* interface format */
1042 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1043 	case SND_SOC_DAIFMT_I2S:
1044 		break;
1045 	case SND_SOC_DAIFMT_DSP_A:
1046 		dsp_a_val = 0x1; /* fall through */
1047 	case SND_SOC_DAIFMT_DSP_B:
1048 		/*
1049 		 * NOTE: This CODEC samples on the falling edge of BCLK in
1050 		 * DSP mode, this is inverted compared to what most DAIs
1051 		 * expect, so we invert for this mode
1052 		 */
1053 		iface_reg2 ^= AIC31XX_BCLKINV_MASK;
1054 		iface_reg1 |= (AIC31XX_DSP_MODE <<
1055 			       AIC31XX_IFACE1_DATATYPE_SHIFT);
1056 		break;
1057 	case SND_SOC_DAIFMT_RIGHT_J:
1058 		iface_reg1 |= (AIC31XX_RIGHT_JUSTIFIED_MODE <<
1059 			       AIC31XX_IFACE1_DATATYPE_SHIFT);
1060 		break;
1061 	case SND_SOC_DAIFMT_LEFT_J:
1062 		iface_reg1 |= (AIC31XX_LEFT_JUSTIFIED_MODE <<
1063 			       AIC31XX_IFACE1_DATATYPE_SHIFT);
1064 		break;
1065 	default:
1066 		dev_err(component->dev, "Invalid DAI interface format\n");
1067 		return -EINVAL;
1068 	}
1069 
1070 	snd_soc_component_update_bits(component, AIC31XX_IFACE1,
1071 			    AIC31XX_IFACE1_DATATYPE_MASK |
1072 			    AIC31XX_IFACE1_MASTER_MASK,
1073 			    iface_reg1);
1074 	snd_soc_component_update_bits(component, AIC31XX_DATA_OFFSET,
1075 			    AIC31XX_DATA_OFFSET_MASK,
1076 			    dsp_a_val);
1077 	snd_soc_component_update_bits(component, AIC31XX_IFACE2,
1078 			    AIC31XX_BCLKINV_MASK,
1079 			    iface_reg2);
1080 
1081 	return aic31xx_clock_master_routes(component, fmt);
1082 }
1083 
1084 static int aic31xx_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1085 				  int clk_id, unsigned int freq, int dir)
1086 {
1087 	struct snd_soc_component *component = codec_dai->component;
1088 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
1089 	int i;
1090 
1091 	dev_dbg(component->dev, "## %s: clk_id = %d, freq = %d, dir = %d\n",
1092 		__func__, clk_id, freq, dir);
1093 
1094 	for (i = 1; i < 8; i++)
1095 		if (freq / i <= 20000000)
1096 			break;
1097 	if (freq/i > 20000000) {
1098 		dev_err(aic31xx->dev, "%s: Too high mclk frequency %u\n",
1099 			__func__, freq);
1100 		return -EINVAL;
1101 	}
1102 	aic31xx->p_div = i;
1103 
1104 	for (i = 0; i < ARRAY_SIZE(aic31xx_divs); i++)
1105 		if (aic31xx_divs[i].mclk_p == freq / aic31xx->p_div)
1106 			break;
1107 	if (i == ARRAY_SIZE(aic31xx_divs)) {
1108 		dev_err(aic31xx->dev, "%s: Unsupported frequency %d\n",
1109 			__func__, freq);
1110 		return -EINVAL;
1111 	}
1112 
1113 	/* set clock on MCLK, BCLK, or GPIO1 as PLL input */
1114 	snd_soc_component_update_bits(component, AIC31XX_CLKMUX, AIC31XX_PLL_CLKIN_MASK,
1115 			    clk_id << AIC31XX_PLL_CLKIN_SHIFT);
1116 
1117 	aic31xx->sysclk = freq;
1118 
1119 	return 0;
1120 }
1121 
1122 static int aic31xx_regulator_event(struct notifier_block *nb,
1123 				   unsigned long event, void *data)
1124 {
1125 	struct aic31xx_disable_nb *disable_nb =
1126 		container_of(nb, struct aic31xx_disable_nb, nb);
1127 	struct aic31xx_priv *aic31xx = disable_nb->aic31xx;
1128 
1129 	if (event & REGULATOR_EVENT_DISABLE) {
1130 		/*
1131 		 * Put codec to reset and as at least one of the
1132 		 * supplies was disabled.
1133 		 */
1134 		if (aic31xx->gpio_reset)
1135 			gpiod_set_value(aic31xx->gpio_reset, 1);
1136 
1137 		regcache_mark_dirty(aic31xx->regmap);
1138 		dev_dbg(aic31xx->dev, "## %s: DISABLE received\n", __func__);
1139 	}
1140 
1141 	return 0;
1142 }
1143 
1144 static int aic31xx_reset(struct aic31xx_priv *aic31xx)
1145 {
1146 	int ret = 0;
1147 
1148 	if (aic31xx->gpio_reset) {
1149 		gpiod_set_value(aic31xx->gpio_reset, 1);
1150 		ndelay(10); /* At least 10ns */
1151 		gpiod_set_value(aic31xx->gpio_reset, 0);
1152 	} else {
1153 		ret = regmap_write(aic31xx->regmap, AIC31XX_RESET, 1);
1154 	}
1155 	mdelay(1); /* At least 1ms */
1156 
1157 	return ret;
1158 }
1159 
1160 static void aic31xx_clk_on(struct snd_soc_component *component)
1161 {
1162 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
1163 	u8 mask = AIC31XX_PM_MASK;
1164 	u8 on = AIC31XX_PM_MASK;
1165 
1166 	dev_dbg(component->dev, "codec clock -> on (rate %d)\n",
1167 		aic31xx_divs[aic31xx->rate_div_line].rate);
1168 	snd_soc_component_update_bits(component, AIC31XX_PLLPR, mask, on);
1169 	mdelay(10);
1170 	snd_soc_component_update_bits(component, AIC31XX_NDAC, mask, on);
1171 	snd_soc_component_update_bits(component, AIC31XX_MDAC, mask, on);
1172 	if (aic31xx_divs[aic31xx->rate_div_line].nadc)
1173 		snd_soc_component_update_bits(component, AIC31XX_NADC, mask, on);
1174 	if (aic31xx_divs[aic31xx->rate_div_line].madc)
1175 		snd_soc_component_update_bits(component, AIC31XX_MADC, mask, on);
1176 	snd_soc_component_update_bits(component, AIC31XX_BCLKN, mask, on);
1177 }
1178 
1179 static void aic31xx_clk_off(struct snd_soc_component *component)
1180 {
1181 	u8 mask = AIC31XX_PM_MASK;
1182 	u8 off = 0;
1183 
1184 	dev_dbg(component->dev, "codec clock -> off\n");
1185 	snd_soc_component_update_bits(component, AIC31XX_BCLKN, mask, off);
1186 	snd_soc_component_update_bits(component, AIC31XX_MADC, mask, off);
1187 	snd_soc_component_update_bits(component, AIC31XX_NADC, mask, off);
1188 	snd_soc_component_update_bits(component, AIC31XX_MDAC, mask, off);
1189 	snd_soc_component_update_bits(component, AIC31XX_NDAC, mask, off);
1190 	snd_soc_component_update_bits(component, AIC31XX_PLLPR, mask, off);
1191 }
1192 
1193 static int aic31xx_power_on(struct snd_soc_component *component)
1194 {
1195 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
1196 	int ret;
1197 
1198 	ret = regulator_bulk_enable(ARRAY_SIZE(aic31xx->supplies),
1199 				    aic31xx->supplies);
1200 	if (ret)
1201 		return ret;
1202 
1203 	regcache_cache_only(aic31xx->regmap, false);
1204 
1205 	/* Reset device registers for a consistent power-on like state */
1206 	ret = aic31xx_reset(aic31xx);
1207 	if (ret < 0)
1208 		dev_err(aic31xx->dev, "Could not reset device: %d\n", ret);
1209 
1210 	ret = regcache_sync(aic31xx->regmap);
1211 	if (ret) {
1212 		dev_err(component->dev,
1213 			"Failed to restore cache: %d\n", ret);
1214 		regcache_cache_only(aic31xx->regmap, true);
1215 		regulator_bulk_disable(ARRAY_SIZE(aic31xx->supplies),
1216 				       aic31xx->supplies);
1217 		return ret;
1218 	}
1219 
1220 	return 0;
1221 }
1222 
1223 static void aic31xx_power_off(struct snd_soc_component *component)
1224 {
1225 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
1226 
1227 	regcache_cache_only(aic31xx->regmap, true);
1228 	regulator_bulk_disable(ARRAY_SIZE(aic31xx->supplies),
1229 			       aic31xx->supplies);
1230 }
1231 
1232 static int aic31xx_set_bias_level(struct snd_soc_component *component,
1233 				  enum snd_soc_bias_level level)
1234 {
1235 	dev_dbg(component->dev, "## %s: %d -> %d\n", __func__,
1236 		snd_soc_component_get_bias_level(component), level);
1237 
1238 	switch (level) {
1239 	case SND_SOC_BIAS_ON:
1240 		break;
1241 	case SND_SOC_BIAS_PREPARE:
1242 		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_STANDBY)
1243 			aic31xx_clk_on(component);
1244 		break;
1245 	case SND_SOC_BIAS_STANDBY:
1246 		switch (snd_soc_component_get_bias_level(component)) {
1247 		case SND_SOC_BIAS_OFF:
1248 			aic31xx_power_on(component);
1249 			break;
1250 		case SND_SOC_BIAS_PREPARE:
1251 			aic31xx_clk_off(component);
1252 			break;
1253 		default:
1254 			BUG();
1255 		}
1256 		break;
1257 	case SND_SOC_BIAS_OFF:
1258 		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_STANDBY)
1259 			aic31xx_power_off(component);
1260 		break;
1261 	}
1262 
1263 	return 0;
1264 }
1265 
1266 static int aic31xx_set_jack(struct snd_soc_component *component,
1267 			    struct snd_soc_jack *jack, void *data)
1268 {
1269 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
1270 
1271 	aic31xx->jack = jack;
1272 
1273 	/* Enable/Disable jack detection */
1274 	regmap_write(aic31xx->regmap, AIC31XX_HSDETECT,
1275 		     jack ? AIC31XX_HSD_ENABLE : 0);
1276 
1277 	return 0;
1278 }
1279 
1280 static int aic31xx_codec_probe(struct snd_soc_component *component)
1281 {
1282 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
1283 	int i, ret;
1284 
1285 	dev_dbg(aic31xx->dev, "## %s\n", __func__);
1286 
1287 	aic31xx->component = component;
1288 
1289 	for (i = 0; i < ARRAY_SIZE(aic31xx->supplies); i++) {
1290 		aic31xx->disable_nb[i].nb.notifier_call =
1291 			aic31xx_regulator_event;
1292 		aic31xx->disable_nb[i].aic31xx = aic31xx;
1293 		ret = devm_regulator_register_notifier(
1294 						aic31xx->supplies[i].consumer,
1295 						&aic31xx->disable_nb[i].nb);
1296 		if (ret) {
1297 			dev_err(component->dev,
1298 				"Failed to request regulator notifier: %d\n",
1299 				ret);
1300 			return ret;
1301 		}
1302 	}
1303 
1304 	regcache_cache_only(aic31xx->regmap, true);
1305 	regcache_mark_dirty(aic31xx->regmap);
1306 
1307 	ret = aic31xx_add_controls(component);
1308 	if (ret)
1309 		return ret;
1310 
1311 	ret = aic31xx_add_widgets(component);
1312 	if (ret)
1313 		return ret;
1314 
1315 	return 0;
1316 }
1317 
1318 static const struct snd_soc_component_driver soc_codec_driver_aic31xx = {
1319 	.probe			= aic31xx_codec_probe,
1320 	.set_jack		= aic31xx_set_jack,
1321 	.set_bias_level		= aic31xx_set_bias_level,
1322 	.controls		= common31xx_snd_controls,
1323 	.num_controls		= ARRAY_SIZE(common31xx_snd_controls),
1324 	.dapm_widgets		= common31xx_dapm_widgets,
1325 	.num_dapm_widgets	= ARRAY_SIZE(common31xx_dapm_widgets),
1326 	.dapm_routes		= common31xx_audio_map,
1327 	.num_dapm_routes	= ARRAY_SIZE(common31xx_audio_map),
1328 	.suspend_bias_off	= 1,
1329 	.idle_bias_on		= 1,
1330 	.use_pmdown_time	= 1,
1331 	.endianness		= 1,
1332 	.non_legacy_dai_naming	= 1,
1333 };
1334 
1335 static const struct snd_soc_dai_ops aic31xx_dai_ops = {
1336 	.hw_params	= aic31xx_hw_params,
1337 	.set_sysclk	= aic31xx_set_dai_sysclk,
1338 	.set_fmt	= aic31xx_set_dai_fmt,
1339 	.digital_mute	= aic31xx_dac_mute,
1340 };
1341 
1342 static struct snd_soc_dai_driver dac31xx_dai_driver[] = {
1343 	{
1344 		.name = "tlv320dac31xx-hifi",
1345 		.playback = {
1346 			.stream_name	 = "Playback",
1347 			.channels_min	 = 2,
1348 			.channels_max	 = 2,
1349 			.rates		 = AIC31XX_RATES,
1350 			.formats	 = AIC31XX_FORMATS,
1351 		},
1352 		.ops = &aic31xx_dai_ops,
1353 		.symmetric_rates = 1,
1354 	}
1355 };
1356 
1357 static struct snd_soc_dai_driver aic31xx_dai_driver[] = {
1358 	{
1359 		.name = "tlv320aic31xx-hifi",
1360 		.playback = {
1361 			.stream_name	 = "Playback",
1362 			.channels_min	 = 2,
1363 			.channels_max	 = 2,
1364 			.rates		 = AIC31XX_RATES,
1365 			.formats	 = AIC31XX_FORMATS,
1366 		},
1367 		.capture = {
1368 			.stream_name	 = "Capture",
1369 			.channels_min	 = 2,
1370 			.channels_max	 = 2,
1371 			.rates		 = AIC31XX_RATES,
1372 			.formats	 = AIC31XX_FORMATS,
1373 		},
1374 		.ops = &aic31xx_dai_ops,
1375 		.symmetric_rates = 1,
1376 	}
1377 };
1378 
1379 #if defined(CONFIG_OF)
1380 static const struct of_device_id tlv320aic31xx_of_match[] = {
1381 	{ .compatible = "ti,tlv320aic310x" },
1382 	{ .compatible = "ti,tlv320aic311x" },
1383 	{ .compatible = "ti,tlv320aic3100" },
1384 	{ .compatible = "ti,tlv320aic3110" },
1385 	{ .compatible = "ti,tlv320aic3120" },
1386 	{ .compatible = "ti,tlv320aic3111" },
1387 	{ .compatible = "ti,tlv320dac3100" },
1388 	{ .compatible = "ti,tlv320dac3101" },
1389 	{},
1390 };
1391 MODULE_DEVICE_TABLE(of, tlv320aic31xx_of_match);
1392 #endif /* CONFIG_OF */
1393 
1394 #ifdef CONFIG_ACPI
1395 static const struct acpi_device_id aic31xx_acpi_match[] = {
1396 	{ "10TI3100", 0 },
1397 	{ }
1398 };
1399 MODULE_DEVICE_TABLE(acpi, aic31xx_acpi_match);
1400 #endif
1401 
1402 static irqreturn_t aic31xx_irq(int irq, void *data)
1403 {
1404 	struct aic31xx_priv *aic31xx = data;
1405 	struct device *dev = aic31xx->dev;
1406 	unsigned int value;
1407 	bool handled = false;
1408 	int ret;
1409 
1410 	ret = regmap_read(aic31xx->regmap, AIC31XX_INTRDACFLAG, &value);
1411 	if (ret) {
1412 		dev_err(dev, "Failed to read interrupt mask: %d\n", ret);
1413 		goto exit;
1414 	}
1415 
1416 	if (value)
1417 		handled = true;
1418 	else
1419 		goto read_overflow;
1420 
1421 	if (value & AIC31XX_HPLSCDETECT)
1422 		dev_err(dev, "Short circuit on Left output is detected\n");
1423 	if (value & AIC31XX_HPRSCDETECT)
1424 		dev_err(dev, "Short circuit on Right output is detected\n");
1425 	if (value & (AIC31XX_HSPLUG | AIC31XX_BUTTONPRESS)) {
1426 		unsigned int val;
1427 		int status = 0;
1428 
1429 		ret = regmap_read(aic31xx->regmap, AIC31XX_INTRDACFLAG2,
1430 				  &val);
1431 		if (ret) {
1432 			dev_err(dev, "Failed to read interrupt mask: %d\n",
1433 				ret);
1434 			goto exit;
1435 		}
1436 
1437 		if (val & AIC31XX_BUTTONPRESS)
1438 			status |= SND_JACK_BTN_0;
1439 
1440 		ret = regmap_read(aic31xx->regmap, AIC31XX_HSDETECT, &val);
1441 		if (ret) {
1442 			dev_err(dev, "Failed to read headset type: %d\n", ret);
1443 			goto exit;
1444 		}
1445 
1446 		switch ((val & AIC31XX_HSD_TYPE_MASK) >>
1447 			AIC31XX_HSD_TYPE_SHIFT) {
1448 		case AIC31XX_HSD_HP:
1449 			status |= SND_JACK_HEADPHONE;
1450 			break;
1451 		case AIC31XX_HSD_HS:
1452 			status |= SND_JACK_HEADSET;
1453 			break;
1454 		default:
1455 			break;
1456 		}
1457 
1458 		if (aic31xx->jack)
1459 			snd_soc_jack_report(aic31xx->jack, status,
1460 					    AIC31XX_JACK_MASK);
1461 	}
1462 	if (value & ~(AIC31XX_HPLSCDETECT |
1463 		      AIC31XX_HPRSCDETECT |
1464 		      AIC31XX_HSPLUG |
1465 		      AIC31XX_BUTTONPRESS))
1466 		dev_err(dev, "Unknown DAC interrupt flags: 0x%08x\n", value);
1467 
1468 read_overflow:
1469 	ret = regmap_read(aic31xx->regmap, AIC31XX_OFFLAG, &value);
1470 	if (ret) {
1471 		dev_err(dev, "Failed to read overflow flag: %d\n", ret);
1472 		goto exit;
1473 	}
1474 
1475 	if (value)
1476 		handled = true;
1477 	else
1478 		goto exit;
1479 
1480 	if (value & AIC31XX_DAC_OF_LEFT)
1481 		dev_warn(dev, "Left-channel DAC overflow has occurred\n");
1482 	if (value & AIC31XX_DAC_OF_RIGHT)
1483 		dev_warn(dev, "Right-channel DAC overflow has occurred\n");
1484 	if (value & AIC31XX_DAC_OF_SHIFTER)
1485 		dev_warn(dev, "DAC barrel shifter overflow has occurred\n");
1486 	if (value & AIC31XX_ADC_OF)
1487 		dev_warn(dev, "ADC overflow has occurred\n");
1488 	if (value & AIC31XX_ADC_OF_SHIFTER)
1489 		dev_warn(dev, "ADC barrel shifter overflow has occurred\n");
1490 	if (value & ~(AIC31XX_DAC_OF_LEFT |
1491 		      AIC31XX_DAC_OF_RIGHT |
1492 		      AIC31XX_DAC_OF_SHIFTER |
1493 		      AIC31XX_ADC_OF |
1494 		      AIC31XX_ADC_OF_SHIFTER))
1495 		dev_warn(dev, "Unknown overflow interrupt flags: 0x%08x\n", value);
1496 
1497 exit:
1498 	if (handled)
1499 		return IRQ_HANDLED;
1500 	else
1501 		return IRQ_NONE;
1502 }
1503 
1504 static int aic31xx_i2c_probe(struct i2c_client *i2c,
1505 			     const struct i2c_device_id *id)
1506 {
1507 	struct aic31xx_priv *aic31xx;
1508 	unsigned int micbias_value = MICBIAS_2_0V;
1509 	int i, ret;
1510 
1511 	dev_dbg(&i2c->dev, "## %s: %s codec_type = %d\n", __func__,
1512 		id->name, (int)id->driver_data);
1513 
1514 	aic31xx = devm_kzalloc(&i2c->dev, sizeof(*aic31xx), GFP_KERNEL);
1515 	if (!aic31xx)
1516 		return -ENOMEM;
1517 
1518 	aic31xx->regmap = devm_regmap_init_i2c(i2c, &aic31xx_i2c_regmap);
1519 	if (IS_ERR(aic31xx->regmap)) {
1520 		ret = PTR_ERR(aic31xx->regmap);
1521 		dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1522 			ret);
1523 		return ret;
1524 	}
1525 	aic31xx->dev = &i2c->dev;
1526 	aic31xx->irq = i2c->irq;
1527 
1528 	aic31xx->codec_type = id->driver_data;
1529 
1530 	dev_set_drvdata(aic31xx->dev, aic31xx);
1531 
1532 	fwnode_property_read_u32(aic31xx->dev->fwnode, "ai31xx-micbias-vg",
1533 				 &micbias_value);
1534 	switch (micbias_value) {
1535 	case MICBIAS_2_0V:
1536 	case MICBIAS_2_5V:
1537 	case MICBIAS_AVDDV:
1538 		aic31xx->micbias_vg = micbias_value;
1539 		break;
1540 	default:
1541 		dev_err(aic31xx->dev, "Bad ai31xx-micbias-vg value %d\n",
1542 			micbias_value);
1543 		aic31xx->micbias_vg = MICBIAS_2_0V;
1544 	}
1545 
1546 	if (dev_get_platdata(aic31xx->dev)) {
1547 		memcpy(&aic31xx->pdata, dev_get_platdata(aic31xx->dev), sizeof(aic31xx->pdata));
1548 		aic31xx->codec_type = aic31xx->pdata.codec_type;
1549 		aic31xx->micbias_vg = aic31xx->pdata.micbias_vg;
1550 	}
1551 
1552 	aic31xx->gpio_reset = devm_gpiod_get_optional(aic31xx->dev, "reset",
1553 						      GPIOD_OUT_LOW);
1554 	if (IS_ERR(aic31xx->gpio_reset)) {
1555 		if (PTR_ERR(aic31xx->gpio_reset) != -EPROBE_DEFER)
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 		if (ret != -EPROBE_DEFER)
1568 			dev_err(aic31xx->dev,
1569 				"Failed to request supplies: %d\n", ret);
1570 		return ret;
1571 	}
1572 
1573 	if (aic31xx->irq > 0) {
1574 		regmap_update_bits(aic31xx->regmap, AIC31XX_GPIO1,
1575 				   AIC31XX_GPIO1_FUNC_MASK,
1576 				   AIC31XX_GPIO1_INT1 <<
1577 				   AIC31XX_GPIO1_FUNC_SHIFT);
1578 
1579 		regmap_write(aic31xx->regmap, AIC31XX_INT1CTRL,
1580 			     AIC31XX_HSPLUGDET |
1581 			     AIC31XX_BUTTONPRESSDET |
1582 			     AIC31XX_SC |
1583 			     AIC31XX_ENGINE);
1584 
1585 		ret = devm_request_threaded_irq(aic31xx->dev, aic31xx->irq,
1586 						NULL, aic31xx_irq,
1587 						IRQF_ONESHOT, "aic31xx-irq",
1588 						aic31xx);
1589 		if (ret) {
1590 			dev_err(aic31xx->dev, "Unable to request IRQ\n");
1591 			return ret;
1592 		}
1593 	}
1594 
1595 	if (aic31xx->codec_type & DAC31XX_BIT)
1596 		return devm_snd_soc_register_component(&i2c->dev,
1597 				&soc_codec_driver_aic31xx,
1598 				dac31xx_dai_driver,
1599 				ARRAY_SIZE(dac31xx_dai_driver));
1600 	else
1601 		return devm_snd_soc_register_component(&i2c->dev,
1602 				&soc_codec_driver_aic31xx,
1603 				aic31xx_dai_driver,
1604 				ARRAY_SIZE(aic31xx_dai_driver));
1605 }
1606 
1607 static const struct i2c_device_id aic31xx_i2c_id[] = {
1608 	{ "tlv320aic310x", AIC3100 },
1609 	{ "tlv320aic311x", AIC3110 },
1610 	{ "tlv320aic3100", AIC3100 },
1611 	{ "tlv320aic3110", AIC3110 },
1612 	{ "tlv320aic3120", AIC3120 },
1613 	{ "tlv320aic3111", AIC3111 },
1614 	{ "tlv320dac3100", DAC3100 },
1615 	{ "tlv320dac3101", DAC3101 },
1616 	{ }
1617 };
1618 MODULE_DEVICE_TABLE(i2c, aic31xx_i2c_id);
1619 
1620 static struct i2c_driver aic31xx_i2c_driver = {
1621 	.driver = {
1622 		.name	= "tlv320aic31xx-codec",
1623 		.of_match_table = of_match_ptr(tlv320aic31xx_of_match),
1624 		.acpi_match_table = ACPI_PTR(aic31xx_acpi_match),
1625 	},
1626 	.probe		= aic31xx_i2c_probe,
1627 	.id_table	= aic31xx_i2c_id,
1628 };
1629 module_i2c_driver(aic31xx_i2c_driver);
1630 
1631 MODULE_AUTHOR("Jyri Sarha <jsarha@ti.com>");
1632 MODULE_DESCRIPTION("ASoC TLV320AIC31xx CODEC Driver");
1633 MODULE_LICENSE("GPL v2");
1634