xref: /openbmc/linux/sound/soc/codecs/tlv320aic31xx.c (revision 3a35093a)
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * ALSA SoC TLV320AIC31xx CODEC Driver
4  *
5  * Copyright (C) 2014-2017 Texas Instruments Incorporated - https://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 	u8 ocmv; /* output common-mode voltage */
175 };
176 
177 struct aic31xx_rate_divs {
178 	u32 mclk_p;
179 	u32 rate;
180 	u8 pll_j;
181 	u16 pll_d;
182 	u16 dosr;
183 	u8 ndac;
184 	u8 mdac;
185 	u8 aosr;
186 	u8 nadc;
187 	u8 madc;
188 };
189 
190 /* ADC dividers can be disabled by configuring them to 0 */
191 static const struct aic31xx_rate_divs aic31xx_divs[] = {
192 	/* mclk/p    rate  pll: j     d        dosr ndac mdac  aors nadc madc */
193 	/* 8k rate */
194 	{12000000,   8000,	8, 1920,	128,  48,  2,	128,  48,  2},
195 	{12000000,   8000,	8, 1920,	128,  32,  3,	128,  32,  3},
196 	{12500000,   8000,	7, 8643,	128,  48,  2,	128,  48,  2},
197 	/* 11.025k rate */
198 	{12000000,  11025,	7, 5264,	128,  32,  2,	128,  32,  2},
199 	{12000000,  11025,	8, 4672,	128,  24,  3,	128,  24,  3},
200 	{12500000,  11025,	7, 2253,	128,  32,  2,	128,  32,  2},
201 	/* 16k rate */
202 	{12000000,  16000,	8, 1920,	128,  24,  2,	128,  24,  2},
203 	{12000000,  16000,	8, 1920,	128,  16,  3,	128,  16,  3},
204 	{12500000,  16000,	7, 8643,	128,  24,  2,	128,  24,  2},
205 	/* 22.05k rate */
206 	{12000000,  22050,	7, 5264,	128,  16,  2,	128,  16,  2},
207 	{12000000,  22050,	8, 4672,	128,  12,  3,	128,  12,  3},
208 	{12500000,  22050,	7, 2253,	128,  16,  2,	128,  16,  2},
209 	/* 32k rate */
210 	{12000000,  32000,	8, 1920,	128,  12,  2,	128,  12,  2},
211 	{12000000,  32000,	8, 1920,	128,   8,  3,	128,   8,  3},
212 	{12500000,  32000,	7, 8643,	128,  12,  2,	128,  12,  2},
213 	/* 44.1k rate */
214 	{12000000,  44100,	7, 5264,	128,   8,  2,	128,   8,  2},
215 	{12000000,  44100,	8, 4672,	128,   6,  3,	128,   6,  3},
216 	{12500000,  44100,	7, 2253,	128,   8,  2,	128,   8,  2},
217 	/* 48k rate */
218 	{12000000,  48000,	8, 1920,	128,   8,  2,	128,   8,  2},
219 	{12000000,  48000,	7, 6800,	 96,   5,  4,	 96,   5,  4},
220 	{12500000,  48000,	7, 8643,	128,   8,  2,	128,   8,  2},
221 	/* 88.2k rate */
222 	{12000000,  88200,	7, 5264,	 64,   8,  2,	 64,   8,  2},
223 	{12000000,  88200,	8, 4672,	 64,   6,  3,	 64,   6,  3},
224 	{12500000,  88200,	7, 2253,	 64,   8,  2,	 64,   8,  2},
225 	/* 96k rate */
226 	{12000000,  96000,	8, 1920,	 64,   8,  2,	 64,   8,  2},
227 	{12000000,  96000,	7, 6800,	 48,   5,  4,	 48,   5,  4},
228 	{12500000,  96000,	7, 8643,	 64,   8,  2,	 64,   8,  2},
229 	/* 176.4k rate */
230 	{12000000, 176400,	7, 5264,	 32,   8,  2,	 32,   8,  2},
231 	{12000000, 176400,	8, 4672,	 32,   6,  3,	 32,   6,  3},
232 	{12500000, 176400,	7, 2253,	 32,   8,  2,	 32,   8,  2},
233 	/* 192k rate */
234 	{12000000, 192000,	8, 1920,	 32,   8,  2,	 32,   8,  2},
235 	{12000000, 192000,	7, 6800,	 24,   5,  4,	 24,   5,  4},
236 	{12500000, 192000,	7, 8643,	 32,   8,  2,	 32,   8,  2},
237 };
238 
239 static const char * const ldac_in_text[] = {
240 	"Off", "Left Data", "Right Data", "Mono"
241 };
242 
243 static const char * const rdac_in_text[] = {
244 	"Off", "Right Data", "Left Data", "Mono"
245 };
246 
247 static SOC_ENUM_SINGLE_DECL(ldac_in_enum, AIC31XX_DACSETUP, 4, ldac_in_text);
248 
249 static SOC_ENUM_SINGLE_DECL(rdac_in_enum, AIC31XX_DACSETUP, 2, rdac_in_text);
250 
251 static const char * const mic_select_text[] = {
252 	"Off", "FFR 10 Ohm", "FFR 20 Ohm", "FFR 40 Ohm"
253 };
254 
255 static SOC_ENUM_SINGLE_DECL(mic1lp_p_enum, AIC31XX_MICPGAPI, 6,
256 	mic_select_text);
257 static SOC_ENUM_SINGLE_DECL(mic1rp_p_enum, AIC31XX_MICPGAPI, 4,
258 	mic_select_text);
259 static SOC_ENUM_SINGLE_DECL(mic1lm_p_enum, AIC31XX_MICPGAPI, 2,
260 	mic_select_text);
261 
262 static SOC_ENUM_SINGLE_DECL(mic1lm_m_enum, AIC31XX_MICPGAMI, 4,
263 	mic_select_text);
264 
265 static const char * const hp_poweron_time_text[] = {
266 	"0us", "15.3us", "153us", "1.53ms", "15.3ms", "76.2ms",
267 	"153ms", "304ms", "610ms", "1.22s", "3.04s", "6.1s" };
268 
269 static SOC_ENUM_SINGLE_DECL(hp_poweron_time_enum, AIC31XX_HPPOP, 3,
270 	hp_poweron_time_text);
271 
272 static const char * const hp_rampup_step_text[] = {
273 	"0ms", "0.98ms", "1.95ms", "3.9ms" };
274 
275 static SOC_ENUM_SINGLE_DECL(hp_rampup_step_enum, AIC31XX_HPPOP, 1,
276 	hp_rampup_step_text);
277 
278 static const char * const vol_soft_step_mode_text[] = {
279 	"fast", "slow", "disabled" };
280 
281 static SOC_ENUM_SINGLE_DECL(vol_soft_step_mode_enum, AIC31XX_DACSETUP, 0,
282 	vol_soft_step_mode_text);
283 
284 static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -6350, 50, 0);
285 static const DECLARE_TLV_DB_SCALE(adc_fgain_tlv, 0, 10, 0);
286 static const DECLARE_TLV_DB_SCALE(adc_cgain_tlv, -2000, 50, 0);
287 static const DECLARE_TLV_DB_SCALE(mic_pga_tlv, 0, 50, 0);
288 static const DECLARE_TLV_DB_SCALE(hp_drv_tlv, 0, 100, 0);
289 static const DECLARE_TLV_DB_SCALE(class_D_drv_tlv, 600, 600, 0);
290 static const DECLARE_TLV_DB_SCALE(hp_vol_tlv, -6350, 50, 0);
291 static const DECLARE_TLV_DB_SCALE(sp_vol_tlv, -6350, 50, 0);
292 
293 /*
294  * controls to be exported to the user space
295  */
296 static const struct snd_kcontrol_new common31xx_snd_controls[] = {
297 	SOC_DOUBLE_R_S_TLV("DAC Playback Volume", AIC31XX_LDACVOL,
298 			   AIC31XX_RDACVOL, 0, -127, 48, 7, 0, dac_vol_tlv),
299 
300 	SOC_DOUBLE_R("HP Driver Playback Switch", AIC31XX_HPLGAIN,
301 		     AIC31XX_HPRGAIN, 2, 1, 0),
302 	SOC_DOUBLE_R_TLV("HP Driver Playback Volume", AIC31XX_HPLGAIN,
303 			 AIC31XX_HPRGAIN, 3, 0x09, 0, hp_drv_tlv),
304 
305 	SOC_DOUBLE_R_TLV("HP Analog Playback Volume", AIC31XX_LANALOGHPL,
306 			 AIC31XX_RANALOGHPR, 0, 0x7F, 1, hp_vol_tlv),
307 
308 	/* HP de-pop control: apply power not immediately but via ramp
309 	 * function with these psarameters. Note that power up sequence
310 	 * has to wait for this to complete; this is implemented by
311 	 * polling HP driver status in aic31xx_dapm_power_event()
312 	 */
313 	SOC_ENUM("HP Output Driver Power-On time", hp_poweron_time_enum),
314 	SOC_ENUM("HP Output Driver Ramp-up step", hp_rampup_step_enum),
315 
316 	SOC_ENUM("Volume Soft Stepping", vol_soft_step_mode_enum),
317 };
318 
319 static const struct snd_kcontrol_new aic31xx_snd_controls[] = {
320 	SOC_SINGLE_TLV("ADC Fine Capture Volume", AIC31XX_ADCFGA, 4, 4, 1,
321 		       adc_fgain_tlv),
322 
323 	SOC_SINGLE("ADC Capture Switch", AIC31XX_ADCFGA, 7, 1, 1),
324 	SOC_DOUBLE_R_S_TLV("ADC Capture Volume", AIC31XX_ADCVOL, AIC31XX_ADCVOL,
325 			   0, -24, 40, 6, 0, adc_cgain_tlv),
326 
327 	SOC_SINGLE_TLV("Mic PGA Capture Volume", AIC31XX_MICPGA, 0,
328 		       119, 0, mic_pga_tlv),
329 };
330 
331 static const struct snd_kcontrol_new aic311x_snd_controls[] = {
332 	SOC_DOUBLE_R("Speaker Driver Playback Switch", AIC31XX_SPLGAIN,
333 		     AIC31XX_SPRGAIN, 2, 1, 0),
334 	SOC_DOUBLE_R_TLV("Speaker Driver Playback Volume", AIC31XX_SPLGAIN,
335 			 AIC31XX_SPRGAIN, 3, 3, 0, class_D_drv_tlv),
336 
337 	SOC_DOUBLE_R_TLV("Speaker Analog Playback Volume", AIC31XX_LANALOGSPL,
338 			 AIC31XX_RANALOGSPR, 0, 0x7F, 1, sp_vol_tlv),
339 };
340 
341 static const struct snd_kcontrol_new aic310x_snd_controls[] = {
342 	SOC_SINGLE("Speaker Driver Playback Switch", AIC31XX_SPLGAIN,
343 		   2, 1, 0),
344 	SOC_SINGLE_TLV("Speaker Driver Playback Volume", AIC31XX_SPLGAIN,
345 		       3, 3, 0, class_D_drv_tlv),
346 
347 	SOC_SINGLE_TLV("Speaker Analog Playback Volume", AIC31XX_LANALOGSPL,
348 		       0, 0x7F, 1, sp_vol_tlv),
349 };
350 
351 static const struct snd_kcontrol_new ldac_in_control =
352 	SOC_DAPM_ENUM("DAC Left Input", ldac_in_enum);
353 
354 static const struct snd_kcontrol_new rdac_in_control =
355 	SOC_DAPM_ENUM("DAC Right Input", rdac_in_enum);
356 
357 static int aic31xx_wait_bits(struct aic31xx_priv *aic31xx, unsigned int reg,
358 			     unsigned int mask, unsigned int wbits, int sleep,
359 			     int count)
360 {
361 	unsigned int bits;
362 	int counter = count;
363 	int ret = regmap_read(aic31xx->regmap, reg, &bits);
364 
365 	while ((bits & mask) != wbits && counter && !ret) {
366 		usleep_range(sleep, sleep * 2);
367 		ret = regmap_read(aic31xx->regmap, reg, &bits);
368 		counter--;
369 	}
370 	if ((bits & mask) != wbits) {
371 		dev_err(aic31xx->dev,
372 			"%s: Failed! 0x%x was 0x%x expected 0x%x (%d, 0x%x, %d us)\n",
373 			__func__, reg, bits, wbits, ret, mask,
374 			(count - counter) * sleep);
375 		ret = -1;
376 	}
377 	return ret;
378 }
379 
380 #define WIDGET_BIT(reg, shift) (((shift) << 8) | (reg))
381 
382 static int aic31xx_dapm_power_event(struct snd_soc_dapm_widget *w,
383 				    struct snd_kcontrol *kcontrol, int event)
384 {
385 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
386 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
387 	unsigned int reg = AIC31XX_DACFLAG1;
388 	unsigned int mask;
389 	unsigned int timeout = 500 * USEC_PER_MSEC;
390 
391 	switch (WIDGET_BIT(w->reg, w->shift)) {
392 	case WIDGET_BIT(AIC31XX_DACSETUP, 7):
393 		mask = AIC31XX_LDACPWRSTATUS_MASK;
394 		break;
395 	case WIDGET_BIT(AIC31XX_DACSETUP, 6):
396 		mask = AIC31XX_RDACPWRSTATUS_MASK;
397 		break;
398 	case WIDGET_BIT(AIC31XX_HPDRIVER, 7):
399 		mask = AIC31XX_HPLDRVPWRSTATUS_MASK;
400 		if (event == SND_SOC_DAPM_POST_PMU)
401 			timeout = 7 * USEC_PER_SEC;
402 		break;
403 	case WIDGET_BIT(AIC31XX_HPDRIVER, 6):
404 		mask = AIC31XX_HPRDRVPWRSTATUS_MASK;
405 		if (event == SND_SOC_DAPM_POST_PMU)
406 			timeout = 7 * USEC_PER_SEC;
407 		break;
408 	case WIDGET_BIT(AIC31XX_SPKAMP, 7):
409 		mask = AIC31XX_SPLDRVPWRSTATUS_MASK;
410 		break;
411 	case WIDGET_BIT(AIC31XX_SPKAMP, 6):
412 		mask = AIC31XX_SPRDRVPWRSTATUS_MASK;
413 		break;
414 	case WIDGET_BIT(AIC31XX_ADCSETUP, 7):
415 		mask = AIC31XX_ADCPWRSTATUS_MASK;
416 		reg = AIC31XX_ADCFLAG;
417 		break;
418 	default:
419 		dev_err(component->dev, "Unknown widget '%s' calling %s\n",
420 			w->name, __func__);
421 		return -EINVAL;
422 	}
423 
424 	switch (event) {
425 	case SND_SOC_DAPM_POST_PMU:
426 		return aic31xx_wait_bits(aic31xx, reg, mask, mask,
427 				5000, timeout / 5000);
428 	case SND_SOC_DAPM_POST_PMD:
429 		return aic31xx_wait_bits(aic31xx, reg, mask, 0,
430 				5000, timeout / 5000);
431 	default:
432 		dev_dbg(component->dev,
433 			"Unhandled dapm widget event %d from %s\n",
434 			event, w->name);
435 	}
436 	return 0;
437 }
438 
439 static const struct snd_kcontrol_new aic31xx_left_output_switches[] = {
440 	SOC_DAPM_SINGLE("From Left DAC", AIC31XX_DACMIXERROUTE, 6, 1, 0),
441 	SOC_DAPM_SINGLE("From MIC1LP", AIC31XX_DACMIXERROUTE, 5, 1, 0),
442 	SOC_DAPM_SINGLE("From MIC1RP", AIC31XX_DACMIXERROUTE, 4, 1, 0),
443 };
444 
445 static const struct snd_kcontrol_new aic31xx_right_output_switches[] = {
446 	SOC_DAPM_SINGLE("From Right DAC", AIC31XX_DACMIXERROUTE, 2, 1, 0),
447 	SOC_DAPM_SINGLE("From MIC1RP", AIC31XX_DACMIXERROUTE, 1, 1, 0),
448 };
449 
450 static const struct snd_kcontrol_new dac31xx_left_output_switches[] = {
451 	SOC_DAPM_SINGLE("From Left DAC", AIC31XX_DACMIXERROUTE, 6, 1, 0),
452 	SOC_DAPM_SINGLE("From AIN1", AIC31XX_DACMIXERROUTE, 5, 1, 0),
453 	SOC_DAPM_SINGLE("From AIN2", AIC31XX_DACMIXERROUTE, 4, 1, 0),
454 };
455 
456 static const struct snd_kcontrol_new dac31xx_right_output_switches[] = {
457 	SOC_DAPM_SINGLE("From Right DAC", AIC31XX_DACMIXERROUTE, 2, 1, 0),
458 	SOC_DAPM_SINGLE("From AIN2", AIC31XX_DACMIXERROUTE, 1, 1, 0),
459 };
460 
461 static const struct snd_kcontrol_new p_term_mic1lp =
462 	SOC_DAPM_ENUM("MIC1LP P-Terminal", mic1lp_p_enum);
463 
464 static const struct snd_kcontrol_new p_term_mic1rp =
465 	SOC_DAPM_ENUM("MIC1RP P-Terminal", mic1rp_p_enum);
466 
467 static const struct snd_kcontrol_new p_term_mic1lm =
468 	SOC_DAPM_ENUM("MIC1LM P-Terminal", mic1lm_p_enum);
469 
470 static const struct snd_kcontrol_new m_term_mic1lm =
471 	SOC_DAPM_ENUM("MIC1LM M-Terminal", mic1lm_m_enum);
472 
473 static const struct snd_kcontrol_new aic31xx_dapm_hpl_switch =
474 	SOC_DAPM_SINGLE("Switch", AIC31XX_LANALOGHPL, 7, 1, 0);
475 
476 static const struct snd_kcontrol_new aic31xx_dapm_hpr_switch =
477 	SOC_DAPM_SINGLE("Switch", AIC31XX_RANALOGHPR, 7, 1, 0);
478 
479 static const struct snd_kcontrol_new aic31xx_dapm_spl_switch =
480 	SOC_DAPM_SINGLE("Switch", AIC31XX_LANALOGSPL, 7, 1, 0);
481 
482 static const struct snd_kcontrol_new aic31xx_dapm_spr_switch =
483 	SOC_DAPM_SINGLE("Switch", AIC31XX_RANALOGSPR, 7, 1, 0);
484 
485 static int mic_bias_event(struct snd_soc_dapm_widget *w,
486 			  struct snd_kcontrol *kcontrol, int event)
487 {
488 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
489 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
490 
491 	switch (event) {
492 	case SND_SOC_DAPM_POST_PMU:
493 		/* change mic bias voltage to user defined */
494 		snd_soc_component_update_bits(component, AIC31XX_MICBIAS,
495 				    AIC31XX_MICBIAS_MASK,
496 				    aic31xx->micbias_vg <<
497 				    AIC31XX_MICBIAS_SHIFT);
498 		dev_dbg(component->dev, "%s: turned on\n", __func__);
499 		break;
500 	case SND_SOC_DAPM_PRE_PMD:
501 		/* turn mic bias off */
502 		snd_soc_component_update_bits(component, AIC31XX_MICBIAS,
503 				    AIC31XX_MICBIAS_MASK, 0);
504 		dev_dbg(component->dev, "%s: turned off\n", __func__);
505 		break;
506 	}
507 	return 0;
508 }
509 
510 static const struct snd_soc_dapm_widget common31xx_dapm_widgets[] = {
511 	SND_SOC_DAPM_AIF_IN("AIF IN", "Playback", 0, SND_SOC_NOPM, 0, 0),
512 
513 	SND_SOC_DAPM_MUX("DAC Left Input",
514 			 SND_SOC_NOPM, 0, 0, &ldac_in_control),
515 	SND_SOC_DAPM_MUX("DAC Right Input",
516 			 SND_SOC_NOPM, 0, 0, &rdac_in_control),
517 	/* DACs */
518 	SND_SOC_DAPM_DAC_E("DAC Left", "Left Playback",
519 			   AIC31XX_DACSETUP, 7, 0, aic31xx_dapm_power_event,
520 			   SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
521 
522 	SND_SOC_DAPM_DAC_E("DAC Right", "Right Playback",
523 			   AIC31XX_DACSETUP, 6, 0, aic31xx_dapm_power_event,
524 			   SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
525 
526 	/* HP */
527 	SND_SOC_DAPM_SWITCH("HP Left", SND_SOC_NOPM, 0, 0,
528 			    &aic31xx_dapm_hpl_switch),
529 	SND_SOC_DAPM_SWITCH("HP Right", SND_SOC_NOPM, 0, 0,
530 			    &aic31xx_dapm_hpr_switch),
531 
532 	/* Output drivers */
533 	SND_SOC_DAPM_OUT_DRV_E("HPL Driver", AIC31XX_HPDRIVER, 7, 0,
534 			       NULL, 0, aic31xx_dapm_power_event,
535 			       SND_SOC_DAPM_POST_PMD | SND_SOC_DAPM_POST_PMU),
536 	SND_SOC_DAPM_OUT_DRV_E("HPR Driver", AIC31XX_HPDRIVER, 6, 0,
537 			       NULL, 0, aic31xx_dapm_power_event,
538 			       SND_SOC_DAPM_POST_PMD | SND_SOC_DAPM_POST_PMU),
539 
540 	/* Mic Bias */
541 	SND_SOC_DAPM_SUPPLY("MICBIAS", SND_SOC_NOPM, 0, 0, mic_bias_event,
542 			    SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
543 
544 	/* Keep BCLK/WCLK enabled even if DAC/ADC is powered down */
545 	SND_SOC_DAPM_SUPPLY("Activate I2S clocks", AIC31XX_IFACE2, 2, 0,
546 			    NULL, 0),
547 
548 	/* Outputs */
549 	SND_SOC_DAPM_OUTPUT("HPL"),
550 	SND_SOC_DAPM_OUTPUT("HPR"),
551 };
552 
553 static const struct snd_soc_dapm_widget dac31xx_dapm_widgets[] = {
554 	/* Inputs */
555 	SND_SOC_DAPM_INPUT("AIN1"),
556 	SND_SOC_DAPM_INPUT("AIN2"),
557 
558 	/* Output Mixers */
559 	SND_SOC_DAPM_MIXER("Output Left", SND_SOC_NOPM, 0, 0,
560 			   dac31xx_left_output_switches,
561 			   ARRAY_SIZE(dac31xx_left_output_switches)),
562 	SND_SOC_DAPM_MIXER("Output Right", SND_SOC_NOPM, 0, 0,
563 			   dac31xx_right_output_switches,
564 			   ARRAY_SIZE(dac31xx_right_output_switches)),
565 };
566 
567 static const struct snd_soc_dapm_widget aic31xx_dapm_widgets[] = {
568 	/* Inputs */
569 	SND_SOC_DAPM_INPUT("MIC1LP"),
570 	SND_SOC_DAPM_INPUT("MIC1RP"),
571 	SND_SOC_DAPM_INPUT("MIC1LM"),
572 
573 	/* Input Selection to MIC_PGA */
574 	SND_SOC_DAPM_MUX("MIC1LP P-Terminal", SND_SOC_NOPM, 0, 0,
575 			 &p_term_mic1lp),
576 	SND_SOC_DAPM_MUX("MIC1RP P-Terminal", SND_SOC_NOPM, 0, 0,
577 			 &p_term_mic1rp),
578 	SND_SOC_DAPM_MUX("MIC1LM P-Terminal", SND_SOC_NOPM, 0, 0,
579 			 &p_term_mic1lm),
580 
581 	/* ADC */
582 	SND_SOC_DAPM_ADC_E("ADC", "Capture", AIC31XX_ADCSETUP, 7, 0,
583 			   aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
584 			   SND_SOC_DAPM_POST_PMD),
585 
586 	SND_SOC_DAPM_MUX("MIC1LM M-Terminal", SND_SOC_NOPM, 0, 0,
587 			 &m_term_mic1lm),
588 
589 	/* Enabling & Disabling MIC Gain Ctl */
590 	SND_SOC_DAPM_PGA("MIC_GAIN_CTL", AIC31XX_MICPGA,
591 			 7, 1, NULL, 0),
592 
593 	/* Output Mixers */
594 	SND_SOC_DAPM_MIXER("Output Left", SND_SOC_NOPM, 0, 0,
595 			   aic31xx_left_output_switches,
596 			   ARRAY_SIZE(aic31xx_left_output_switches)),
597 	SND_SOC_DAPM_MIXER("Output Right", SND_SOC_NOPM, 0, 0,
598 			   aic31xx_right_output_switches,
599 			   ARRAY_SIZE(aic31xx_right_output_switches)),
600 
601 	SND_SOC_DAPM_AIF_OUT("AIF OUT", "Capture", 0, SND_SOC_NOPM, 0, 0),
602 };
603 
604 static const struct snd_soc_dapm_widget aic311x_dapm_widgets[] = {
605 	/* AIC3111 and AIC3110 have stereo class-D amplifier */
606 	SND_SOC_DAPM_OUT_DRV_E("SPL ClassD", AIC31XX_SPKAMP, 7, 0, NULL, 0,
607 			       aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
608 			       SND_SOC_DAPM_POST_PMD),
609 	SND_SOC_DAPM_OUT_DRV_E("SPR ClassD", AIC31XX_SPKAMP, 6, 0, NULL, 0,
610 			       aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
611 			       SND_SOC_DAPM_POST_PMD),
612 	SND_SOC_DAPM_SWITCH("Speaker Left", SND_SOC_NOPM, 0, 0,
613 			    &aic31xx_dapm_spl_switch),
614 	SND_SOC_DAPM_SWITCH("Speaker Right", SND_SOC_NOPM, 0, 0,
615 			    &aic31xx_dapm_spr_switch),
616 	SND_SOC_DAPM_OUTPUT("SPL"),
617 	SND_SOC_DAPM_OUTPUT("SPR"),
618 };
619 
620 /* AIC3100 and AIC3120 have only mono class-D amplifier */
621 static const struct snd_soc_dapm_widget aic310x_dapm_widgets[] = {
622 	SND_SOC_DAPM_OUT_DRV_E("SPK ClassD", AIC31XX_SPKAMP, 7, 0, NULL, 0,
623 			       aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
624 			       SND_SOC_DAPM_POST_PMD),
625 	SND_SOC_DAPM_SWITCH("Speaker", SND_SOC_NOPM, 0, 0,
626 			    &aic31xx_dapm_spl_switch),
627 	SND_SOC_DAPM_OUTPUT("SPK"),
628 };
629 
630 static const struct snd_soc_dapm_route
631 common31xx_audio_map[] = {
632 	/* DAC Input Routing */
633 	{"DAC Left Input", "Left Data", "AIF IN"},
634 	{"DAC Left Input", "Right Data", "AIF IN"},
635 	{"DAC Left Input", "Mono", "AIF IN"},
636 	{"DAC Right Input", "Left Data", "AIF IN"},
637 	{"DAC Right Input", "Right Data", "AIF IN"},
638 	{"DAC Right Input", "Mono", "AIF IN"},
639 	{"DAC Left", NULL, "DAC Left Input"},
640 	{"DAC Right", NULL, "DAC Right Input"},
641 
642 	/* HPL path */
643 	{"HP Left", "Switch", "Output Left"},
644 	{"HPL Driver", NULL, "HP Left"},
645 	{"HPL", NULL, "HPL Driver"},
646 
647 	/* HPR path */
648 	{"HP Right", "Switch", "Output Right"},
649 	{"HPR Driver", NULL, "HP Right"},
650 	{"HPR", NULL, "HPR Driver"},
651 };
652 
653 static const struct snd_soc_dapm_route
654 dac31xx_audio_map[] = {
655 	/* Left Output */
656 	{"Output Left", "From Left DAC", "DAC Left"},
657 	{"Output Left", "From AIN1", "AIN1"},
658 	{"Output Left", "From AIN2", "AIN2"},
659 
660 	/* Right Output */
661 	{"Output Right", "From Right DAC", "DAC Right"},
662 	{"Output Right", "From AIN2", "AIN2"},
663 };
664 
665 static const struct snd_soc_dapm_route
666 aic31xx_audio_map[] = {
667 	/* Mic input */
668 	{"MIC1LP P-Terminal", "FFR 10 Ohm", "MIC1LP"},
669 	{"MIC1LP P-Terminal", "FFR 20 Ohm", "MIC1LP"},
670 	{"MIC1LP P-Terminal", "FFR 40 Ohm", "MIC1LP"},
671 	{"MIC1RP P-Terminal", "FFR 10 Ohm", "MIC1RP"},
672 	{"MIC1RP P-Terminal", "FFR 20 Ohm", "MIC1RP"},
673 	{"MIC1RP P-Terminal", "FFR 40 Ohm", "MIC1RP"},
674 	{"MIC1LM P-Terminal", "FFR 10 Ohm", "MIC1LM"},
675 	{"MIC1LM P-Terminal", "FFR 20 Ohm", "MIC1LM"},
676 	{"MIC1LM P-Terminal", "FFR 40 Ohm", "MIC1LM"},
677 
678 	{"MIC1LM M-Terminal", "FFR 10 Ohm", "MIC1LM"},
679 	{"MIC1LM M-Terminal", "FFR 20 Ohm", "MIC1LM"},
680 	{"MIC1LM M-Terminal", "FFR 40 Ohm", "MIC1LM"},
681 
682 	{"MIC_GAIN_CTL", NULL, "MIC1LP P-Terminal"},
683 	{"MIC_GAIN_CTL", NULL, "MIC1RP P-Terminal"},
684 	{"MIC_GAIN_CTL", NULL, "MIC1LM P-Terminal"},
685 	{"MIC_GAIN_CTL", NULL, "MIC1LM M-Terminal"},
686 
687 	{"ADC", NULL, "MIC_GAIN_CTL"},
688 
689 	{"AIF OUT", NULL, "ADC"},
690 
691 	/* Left Output */
692 	{"Output Left", "From Left DAC", "DAC Left"},
693 	{"Output Left", "From MIC1LP", "MIC1LP"},
694 	{"Output Left", "From MIC1RP", "MIC1RP"},
695 
696 	/* Right Output */
697 	{"Output Right", "From Right DAC", "DAC Right"},
698 	{"Output Right", "From MIC1RP", "MIC1RP"},
699 };
700 
701 static const struct snd_soc_dapm_route
702 aic311x_audio_map[] = {
703 	/* SP L path */
704 	{"Speaker Left", "Switch", "Output Left"},
705 	{"SPL ClassD", NULL, "Speaker Left"},
706 	{"SPL", NULL, "SPL ClassD"},
707 
708 	/* SP R path */
709 	{"Speaker Right", "Switch", "Output Right"},
710 	{"SPR ClassD", NULL, "Speaker Right"},
711 	{"SPR", NULL, "SPR ClassD"},
712 };
713 
714 static const struct snd_soc_dapm_route
715 aic310x_audio_map[] = {
716 	/* SP L path */
717 	{"Speaker", "Switch", "Output Left"},
718 	{"SPK ClassD", NULL, "Speaker"},
719 	{"SPK", NULL, "SPK ClassD"},
720 };
721 
722 /*
723  * Always connected DAPM routes for codec clock master modes.
724  * If the codec is the master on the I2S bus, we need to power up components
725  * to have valid DAC_CLK.
726  *
727  * In order to have the I2S clocks on the bus either the DACs/ADC need to be
728  * enabled, or the P0/R29/D2 (Keep bclk/wclk in power down) need to be set.
729  *
730  * Otherwise the codec will not generate clocks on the bus.
731  */
732 static const struct snd_soc_dapm_route
733 common31xx_cm_audio_map[] = {
734 	{"HPL", NULL, "AIF IN"},
735 	{"HPR", NULL, "AIF IN"},
736 
737 	{"AIF IN", NULL, "Activate I2S clocks"},
738 };
739 
740 static const struct snd_soc_dapm_route
741 aic31xx_cm_audio_map[] = {
742 	{"AIF OUT", NULL, "MIC1LP"},
743 	{"AIF OUT", NULL, "MIC1RP"},
744 	{"AIF OUT", NULL, "MIC1LM"},
745 
746 	{"AIF OUT", NULL, "Activate I2S clocks"},
747 };
748 
749 static int aic31xx_add_controls(struct snd_soc_component *component)
750 {
751 	int ret = 0;
752 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
753 
754 	if (!(aic31xx->codec_type & DAC31XX_BIT))
755 		ret = snd_soc_add_component_controls(
756 			component, aic31xx_snd_controls,
757 			ARRAY_SIZE(aic31xx_snd_controls));
758 	if (ret)
759 		return ret;
760 
761 	if (aic31xx->codec_type & AIC31XX_STEREO_CLASS_D_BIT)
762 		ret = snd_soc_add_component_controls(
763 			component, aic311x_snd_controls,
764 			ARRAY_SIZE(aic311x_snd_controls));
765 	else
766 		ret = snd_soc_add_component_controls(
767 			component, aic310x_snd_controls,
768 			ARRAY_SIZE(aic310x_snd_controls));
769 
770 	return ret;
771 }
772 
773 static int aic31xx_add_widgets(struct snd_soc_component *component)
774 {
775 	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
776 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
777 	int ret = 0;
778 
779 	if (aic31xx->codec_type & DAC31XX_BIT) {
780 		ret = snd_soc_dapm_new_controls(
781 			dapm, dac31xx_dapm_widgets,
782 			ARRAY_SIZE(dac31xx_dapm_widgets));
783 		if (ret)
784 			return ret;
785 
786 		ret = snd_soc_dapm_add_routes(dapm, dac31xx_audio_map,
787 					      ARRAY_SIZE(dac31xx_audio_map));
788 		if (ret)
789 			return ret;
790 	} else {
791 		ret = snd_soc_dapm_new_controls(
792 			dapm, aic31xx_dapm_widgets,
793 			ARRAY_SIZE(aic31xx_dapm_widgets));
794 		if (ret)
795 			return ret;
796 
797 		ret = snd_soc_dapm_add_routes(dapm, aic31xx_audio_map,
798 					      ARRAY_SIZE(aic31xx_audio_map));
799 		if (ret)
800 			return ret;
801 	}
802 
803 	if (aic31xx->codec_type & AIC31XX_STEREO_CLASS_D_BIT) {
804 		ret = snd_soc_dapm_new_controls(
805 			dapm, aic311x_dapm_widgets,
806 			ARRAY_SIZE(aic311x_dapm_widgets));
807 		if (ret)
808 			return ret;
809 
810 		ret = snd_soc_dapm_add_routes(dapm, aic311x_audio_map,
811 					      ARRAY_SIZE(aic311x_audio_map));
812 		if (ret)
813 			return ret;
814 	} else {
815 		ret = snd_soc_dapm_new_controls(
816 			dapm, aic310x_dapm_widgets,
817 			ARRAY_SIZE(aic310x_dapm_widgets));
818 		if (ret)
819 			return ret;
820 
821 		ret = snd_soc_dapm_add_routes(dapm, aic310x_audio_map,
822 					      ARRAY_SIZE(aic310x_audio_map));
823 		if (ret)
824 			return ret;
825 	}
826 
827 	return 0;
828 }
829 
830 static int aic31xx_setup_pll(struct snd_soc_component *component,
831 			     struct snd_pcm_hw_params *params)
832 {
833 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
834 	int bclk_score = snd_soc_params_to_frame_size(params);
835 	int mclk_p;
836 	int bclk_n = 0;
837 	int match = -1;
838 	int i;
839 
840 	if (!aic31xx->sysclk || !aic31xx->p_div) {
841 		dev_err(component->dev, "Master clock not supplied\n");
842 		return -EINVAL;
843 	}
844 	mclk_p = aic31xx->sysclk / aic31xx->p_div;
845 
846 	/* Use PLL as CODEC_CLKIN and DAC_CLK as BDIV_CLKIN */
847 	snd_soc_component_update_bits(component, AIC31XX_CLKMUX,
848 			    AIC31XX_CODEC_CLKIN_MASK, AIC31XX_CODEC_CLKIN_PLL);
849 	snd_soc_component_update_bits(component, AIC31XX_IFACE2,
850 			    AIC31XX_BDIVCLK_MASK, AIC31XX_DAC2BCLK);
851 
852 	for (i = 0; i < ARRAY_SIZE(aic31xx_divs); i++) {
853 		if (aic31xx_divs[i].rate == params_rate(params) &&
854 		    aic31xx_divs[i].mclk_p == mclk_p) {
855 			int s =	(aic31xx_divs[i].dosr * aic31xx_divs[i].mdac) %
856 				snd_soc_params_to_frame_size(params);
857 			int bn = (aic31xx_divs[i].dosr * aic31xx_divs[i].mdac) /
858 				snd_soc_params_to_frame_size(params);
859 			if (s < bclk_score && bn > 0) {
860 				match = i;
861 				bclk_n = bn;
862 				bclk_score = s;
863 			}
864 		}
865 	}
866 
867 	if (match == -1) {
868 		dev_err(component->dev,
869 			"%s: Sample rate (%u) and format not supported\n",
870 			__func__, params_rate(params));
871 		/* See bellow for details how fix this. */
872 		return -EINVAL;
873 	}
874 	if (bclk_score != 0) {
875 		dev_warn(component->dev, "Can not produce exact bitclock");
876 		/* This is fine if using dsp format, but if using i2s
877 		   there may be trouble. To fix the issue edit the
878 		   aic31xx_divs table for your mclk and sample
879 		   rate. Details can be found from:
880 		   https://www.ti.com/lit/ds/symlink/tlv320aic3100.pdf
881 		   Section: 5.6 CLOCK Generation and PLL
882 		*/
883 	}
884 	i = match;
885 
886 	/* PLL configuration */
887 	snd_soc_component_update_bits(component, AIC31XX_PLLPR, AIC31XX_PLL_MASK,
888 			    (aic31xx->p_div << 4) | 0x01);
889 	snd_soc_component_write(component, AIC31XX_PLLJ, aic31xx_divs[i].pll_j);
890 
891 	snd_soc_component_write(component, AIC31XX_PLLDMSB,
892 		      aic31xx_divs[i].pll_d >> 8);
893 	snd_soc_component_write(component, AIC31XX_PLLDLSB,
894 		      aic31xx_divs[i].pll_d & 0xff);
895 
896 	/* DAC dividers configuration */
897 	snd_soc_component_update_bits(component, AIC31XX_NDAC, AIC31XX_PLL_MASK,
898 			    aic31xx_divs[i].ndac);
899 	snd_soc_component_update_bits(component, AIC31XX_MDAC, AIC31XX_PLL_MASK,
900 			    aic31xx_divs[i].mdac);
901 
902 	snd_soc_component_write(component, AIC31XX_DOSRMSB, aic31xx_divs[i].dosr >> 8);
903 	snd_soc_component_write(component, AIC31XX_DOSRLSB, aic31xx_divs[i].dosr & 0xff);
904 
905 	/* ADC dividers configuration. Write reset value 1 if not used. */
906 	snd_soc_component_update_bits(component, AIC31XX_NADC, AIC31XX_PLL_MASK,
907 			    aic31xx_divs[i].nadc ? aic31xx_divs[i].nadc : 1);
908 	snd_soc_component_update_bits(component, AIC31XX_MADC, AIC31XX_PLL_MASK,
909 			    aic31xx_divs[i].madc ? aic31xx_divs[i].madc : 1);
910 
911 	snd_soc_component_write(component, AIC31XX_AOSR, aic31xx_divs[i].aosr);
912 
913 	/* Bit clock divider configuration. */
914 	snd_soc_component_update_bits(component, AIC31XX_BCLKN,
915 			    AIC31XX_PLL_MASK, bclk_n);
916 
917 	aic31xx->rate_div_line = i;
918 
919 	dev_dbg(component->dev,
920 		"pll %d.%04d/%d dosr %d n %d m %d aosr %d n %d m %d bclk_n %d\n",
921 		aic31xx_divs[i].pll_j,
922 		aic31xx_divs[i].pll_d,
923 		aic31xx->p_div,
924 		aic31xx_divs[i].dosr,
925 		aic31xx_divs[i].ndac,
926 		aic31xx_divs[i].mdac,
927 		aic31xx_divs[i].aosr,
928 		aic31xx_divs[i].nadc,
929 		aic31xx_divs[i].madc,
930 		bclk_n
931 	);
932 
933 	return 0;
934 }
935 
936 static int aic31xx_hw_params(struct snd_pcm_substream *substream,
937 			     struct snd_pcm_hw_params *params,
938 			     struct snd_soc_dai *dai)
939 {
940 	struct snd_soc_component *component = dai->component;
941 	u8 data = 0;
942 
943 	dev_dbg(component->dev, "## %s: width %d rate %d\n",
944 		__func__, params_width(params),
945 		params_rate(params));
946 
947 	switch (params_width(params)) {
948 	case 16:
949 		break;
950 	case 20:
951 		data = (AIC31XX_WORD_LEN_20BITS <<
952 			AIC31XX_IFACE1_DATALEN_SHIFT);
953 		break;
954 	case 24:
955 		data = (AIC31XX_WORD_LEN_24BITS <<
956 			AIC31XX_IFACE1_DATALEN_SHIFT);
957 		break;
958 	case 32:
959 		data = (AIC31XX_WORD_LEN_32BITS <<
960 			AIC31XX_IFACE1_DATALEN_SHIFT);
961 		break;
962 	default:
963 		dev_err(component->dev, "%s: Unsupported width %d\n",
964 			__func__, params_width(params));
965 		return -EINVAL;
966 	}
967 
968 	snd_soc_component_update_bits(component, AIC31XX_IFACE1,
969 			    AIC31XX_IFACE1_DATALEN_MASK,
970 			    data);
971 
972 	return aic31xx_setup_pll(component, params);
973 }
974 
975 static int aic31xx_dac_mute(struct snd_soc_dai *codec_dai, int mute,
976 			    int direction)
977 {
978 	struct snd_soc_component *component = codec_dai->component;
979 
980 	if (mute) {
981 		snd_soc_component_update_bits(component, AIC31XX_DACMUTE,
982 				    AIC31XX_DACMUTE_MASK,
983 				    AIC31XX_DACMUTE_MASK);
984 	} else {
985 		snd_soc_component_update_bits(component, AIC31XX_DACMUTE,
986 				    AIC31XX_DACMUTE_MASK, 0x0);
987 	}
988 
989 	return 0;
990 }
991 
992 static int aic31xx_clock_master_routes(struct snd_soc_component *component,
993 				       unsigned int fmt)
994 {
995 	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
996 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
997 	int ret;
998 
999 	fmt &= SND_SOC_DAIFMT_MASTER_MASK;
1000 	if (fmt == SND_SOC_DAIFMT_CBS_CFS &&
1001 	    aic31xx->master_dapm_route_applied) {
1002 		/*
1003 		 * Remove the DAPM route(s) for codec clock master modes,
1004 		 * if applied
1005 		 */
1006 		ret = snd_soc_dapm_del_routes(dapm, common31xx_cm_audio_map,
1007 					ARRAY_SIZE(common31xx_cm_audio_map));
1008 		if (!ret && !(aic31xx->codec_type & DAC31XX_BIT))
1009 			ret = snd_soc_dapm_del_routes(dapm,
1010 					aic31xx_cm_audio_map,
1011 					ARRAY_SIZE(aic31xx_cm_audio_map));
1012 
1013 		if (ret)
1014 			return ret;
1015 
1016 		aic31xx->master_dapm_route_applied = false;
1017 	} else if (fmt != SND_SOC_DAIFMT_CBS_CFS &&
1018 		   !aic31xx->master_dapm_route_applied) {
1019 		/*
1020 		 * Add the needed DAPM route(s) for codec clock master modes,
1021 		 * if it is not done already
1022 		 */
1023 		ret = snd_soc_dapm_add_routes(dapm, common31xx_cm_audio_map,
1024 					ARRAY_SIZE(common31xx_cm_audio_map));
1025 		if (!ret && !(aic31xx->codec_type & DAC31XX_BIT))
1026 			ret = snd_soc_dapm_add_routes(dapm,
1027 					aic31xx_cm_audio_map,
1028 					ARRAY_SIZE(aic31xx_cm_audio_map));
1029 
1030 		if (ret)
1031 			return ret;
1032 
1033 		aic31xx->master_dapm_route_applied = true;
1034 	}
1035 
1036 	return 0;
1037 }
1038 
1039 static int aic31xx_set_dai_fmt(struct snd_soc_dai *codec_dai,
1040 			       unsigned int fmt)
1041 {
1042 	struct snd_soc_component *component = codec_dai->component;
1043 	u8 iface_reg1 = 0;
1044 	u8 iface_reg2 = 0;
1045 	u8 dsp_a_val = 0;
1046 
1047 	dev_dbg(component->dev, "## %s: fmt = 0x%x\n", __func__, fmt);
1048 
1049 	/* set master/slave audio interface */
1050 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1051 	case SND_SOC_DAIFMT_CBM_CFM:
1052 		iface_reg1 |= AIC31XX_BCLK_MASTER | AIC31XX_WCLK_MASTER;
1053 		break;
1054 	case SND_SOC_DAIFMT_CBS_CFM:
1055 		iface_reg1 |= AIC31XX_WCLK_MASTER;
1056 		break;
1057 	case SND_SOC_DAIFMT_CBM_CFS:
1058 		iface_reg1 |= AIC31XX_BCLK_MASTER;
1059 		break;
1060 	case SND_SOC_DAIFMT_CBS_CFS:
1061 		break;
1062 	default:
1063 		dev_err(component->dev, "Invalid DAI master/slave interface\n");
1064 		return -EINVAL;
1065 	}
1066 
1067 	/* signal polarity */
1068 	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1069 	case SND_SOC_DAIFMT_NB_NF:
1070 		break;
1071 	case SND_SOC_DAIFMT_IB_NF:
1072 		iface_reg2 |= AIC31XX_BCLKINV_MASK;
1073 		break;
1074 	default:
1075 		dev_err(component->dev, "Invalid DAI clock signal polarity\n");
1076 		return -EINVAL;
1077 	}
1078 
1079 	/* interface format */
1080 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1081 	case SND_SOC_DAIFMT_I2S:
1082 		break;
1083 	case SND_SOC_DAIFMT_DSP_A:
1084 		dsp_a_val = 0x1;
1085 		fallthrough;
1086 	case SND_SOC_DAIFMT_DSP_B:
1087 		/*
1088 		 * NOTE: This CODEC samples on the falling edge of BCLK in
1089 		 * DSP mode, this is inverted compared to what most DAIs
1090 		 * expect, so we invert for this mode
1091 		 */
1092 		iface_reg2 ^= AIC31XX_BCLKINV_MASK;
1093 		iface_reg1 |= (AIC31XX_DSP_MODE <<
1094 			       AIC31XX_IFACE1_DATATYPE_SHIFT);
1095 		break;
1096 	case SND_SOC_DAIFMT_RIGHT_J:
1097 		iface_reg1 |= (AIC31XX_RIGHT_JUSTIFIED_MODE <<
1098 			       AIC31XX_IFACE1_DATATYPE_SHIFT);
1099 		break;
1100 	case SND_SOC_DAIFMT_LEFT_J:
1101 		iface_reg1 |= (AIC31XX_LEFT_JUSTIFIED_MODE <<
1102 			       AIC31XX_IFACE1_DATATYPE_SHIFT);
1103 		break;
1104 	default:
1105 		dev_err(component->dev, "Invalid DAI interface format\n");
1106 		return -EINVAL;
1107 	}
1108 
1109 	snd_soc_component_update_bits(component, AIC31XX_IFACE1,
1110 			    AIC31XX_IFACE1_DATATYPE_MASK |
1111 			    AIC31XX_IFACE1_MASTER_MASK,
1112 			    iface_reg1);
1113 	snd_soc_component_update_bits(component, AIC31XX_DATA_OFFSET,
1114 			    AIC31XX_DATA_OFFSET_MASK,
1115 			    dsp_a_val);
1116 	snd_soc_component_update_bits(component, AIC31XX_IFACE2,
1117 			    AIC31XX_BCLKINV_MASK,
1118 			    iface_reg2);
1119 
1120 	return aic31xx_clock_master_routes(component, fmt);
1121 }
1122 
1123 static int aic31xx_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1124 				  int clk_id, unsigned int freq, int dir)
1125 {
1126 	struct snd_soc_component *component = codec_dai->component;
1127 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
1128 	int i;
1129 
1130 	dev_dbg(component->dev, "## %s: clk_id = %d, freq = %d, dir = %d\n",
1131 		__func__, clk_id, freq, dir);
1132 
1133 	for (i = 1; i < 8; i++)
1134 		if (freq / i <= 20000000)
1135 			break;
1136 	if (freq/i > 20000000) {
1137 		dev_err(aic31xx->dev, "%s: Too high mclk frequency %u\n",
1138 			__func__, freq);
1139 		return -EINVAL;
1140 	}
1141 	aic31xx->p_div = i;
1142 
1143 	for (i = 0; i < ARRAY_SIZE(aic31xx_divs); i++)
1144 		if (aic31xx_divs[i].mclk_p == freq / aic31xx->p_div)
1145 			break;
1146 	if (i == ARRAY_SIZE(aic31xx_divs)) {
1147 		dev_err(aic31xx->dev, "%s: Unsupported frequency %d\n",
1148 			__func__, freq);
1149 		return -EINVAL;
1150 	}
1151 
1152 	/* set clock on MCLK, BCLK, or GPIO1 as PLL input */
1153 	snd_soc_component_update_bits(component, AIC31XX_CLKMUX, AIC31XX_PLL_CLKIN_MASK,
1154 			    clk_id << AIC31XX_PLL_CLKIN_SHIFT);
1155 
1156 	aic31xx->sysclk = freq;
1157 
1158 	return 0;
1159 }
1160 
1161 static int aic31xx_regulator_event(struct notifier_block *nb,
1162 				   unsigned long event, void *data)
1163 {
1164 	struct aic31xx_disable_nb *disable_nb =
1165 		container_of(nb, struct aic31xx_disable_nb, nb);
1166 	struct aic31xx_priv *aic31xx = disable_nb->aic31xx;
1167 
1168 	if (event & REGULATOR_EVENT_DISABLE) {
1169 		/*
1170 		 * Put codec to reset and as at least one of the
1171 		 * supplies was disabled.
1172 		 */
1173 		if (aic31xx->gpio_reset)
1174 			gpiod_set_value(aic31xx->gpio_reset, 1);
1175 
1176 		regcache_mark_dirty(aic31xx->regmap);
1177 		dev_dbg(aic31xx->dev, "## %s: DISABLE received\n", __func__);
1178 	}
1179 
1180 	return 0;
1181 }
1182 
1183 static int aic31xx_reset(struct aic31xx_priv *aic31xx)
1184 {
1185 	int ret = 0;
1186 
1187 	if (aic31xx->gpio_reset) {
1188 		gpiod_set_value(aic31xx->gpio_reset, 1);
1189 		ndelay(10); /* At least 10ns */
1190 		gpiod_set_value(aic31xx->gpio_reset, 0);
1191 	} else {
1192 		ret = regmap_write(aic31xx->regmap, AIC31XX_RESET, 1);
1193 	}
1194 	mdelay(1); /* At least 1ms */
1195 
1196 	return ret;
1197 }
1198 
1199 static void aic31xx_clk_on(struct snd_soc_component *component)
1200 {
1201 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
1202 	u8 mask = AIC31XX_PM_MASK;
1203 	u8 on = AIC31XX_PM_MASK;
1204 
1205 	dev_dbg(component->dev, "codec clock -> on (rate %d)\n",
1206 		aic31xx_divs[aic31xx->rate_div_line].rate);
1207 	snd_soc_component_update_bits(component, AIC31XX_PLLPR, mask, on);
1208 	mdelay(10);
1209 	snd_soc_component_update_bits(component, AIC31XX_NDAC, mask, on);
1210 	snd_soc_component_update_bits(component, AIC31XX_MDAC, mask, on);
1211 	if (aic31xx_divs[aic31xx->rate_div_line].nadc)
1212 		snd_soc_component_update_bits(component, AIC31XX_NADC, mask, on);
1213 	if (aic31xx_divs[aic31xx->rate_div_line].madc)
1214 		snd_soc_component_update_bits(component, AIC31XX_MADC, mask, on);
1215 	snd_soc_component_update_bits(component, AIC31XX_BCLKN, mask, on);
1216 }
1217 
1218 static void aic31xx_clk_off(struct snd_soc_component *component)
1219 {
1220 	u8 mask = AIC31XX_PM_MASK;
1221 	u8 off = 0;
1222 
1223 	dev_dbg(component->dev, "codec clock -> off\n");
1224 	snd_soc_component_update_bits(component, AIC31XX_BCLKN, mask, off);
1225 	snd_soc_component_update_bits(component, AIC31XX_MADC, mask, off);
1226 	snd_soc_component_update_bits(component, AIC31XX_NADC, mask, off);
1227 	snd_soc_component_update_bits(component, AIC31XX_MDAC, mask, off);
1228 	snd_soc_component_update_bits(component, AIC31XX_NDAC, mask, off);
1229 	snd_soc_component_update_bits(component, AIC31XX_PLLPR, mask, off);
1230 }
1231 
1232 static int aic31xx_power_on(struct snd_soc_component *component)
1233 {
1234 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
1235 	int ret;
1236 
1237 	ret = regulator_bulk_enable(ARRAY_SIZE(aic31xx->supplies),
1238 				    aic31xx->supplies);
1239 	if (ret)
1240 		return ret;
1241 
1242 	regcache_cache_only(aic31xx->regmap, false);
1243 
1244 	/* Reset device registers for a consistent power-on like state */
1245 	ret = aic31xx_reset(aic31xx);
1246 	if (ret < 0)
1247 		dev_err(aic31xx->dev, "Could not reset device: %d\n", ret);
1248 
1249 	ret = regcache_sync(aic31xx->regmap);
1250 	if (ret) {
1251 		dev_err(component->dev,
1252 			"Failed to restore cache: %d\n", ret);
1253 		regcache_cache_only(aic31xx->regmap, true);
1254 		regulator_bulk_disable(ARRAY_SIZE(aic31xx->supplies),
1255 				       aic31xx->supplies);
1256 		return ret;
1257 	}
1258 
1259 	return 0;
1260 }
1261 
1262 static void aic31xx_power_off(struct snd_soc_component *component)
1263 {
1264 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
1265 
1266 	regcache_cache_only(aic31xx->regmap, true);
1267 	regulator_bulk_disable(ARRAY_SIZE(aic31xx->supplies),
1268 			       aic31xx->supplies);
1269 }
1270 
1271 static int aic31xx_set_bias_level(struct snd_soc_component *component,
1272 				  enum snd_soc_bias_level level)
1273 {
1274 	dev_dbg(component->dev, "## %s: %d -> %d\n", __func__,
1275 		snd_soc_component_get_bias_level(component), level);
1276 
1277 	switch (level) {
1278 	case SND_SOC_BIAS_ON:
1279 		break;
1280 	case SND_SOC_BIAS_PREPARE:
1281 		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_STANDBY)
1282 			aic31xx_clk_on(component);
1283 		break;
1284 	case SND_SOC_BIAS_STANDBY:
1285 		switch (snd_soc_component_get_bias_level(component)) {
1286 		case SND_SOC_BIAS_OFF:
1287 			aic31xx_power_on(component);
1288 			break;
1289 		case SND_SOC_BIAS_PREPARE:
1290 			aic31xx_clk_off(component);
1291 			break;
1292 		default:
1293 			BUG();
1294 		}
1295 		break;
1296 	case SND_SOC_BIAS_OFF:
1297 		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_STANDBY)
1298 			aic31xx_power_off(component);
1299 		break;
1300 	}
1301 
1302 	return 0;
1303 }
1304 
1305 static int aic31xx_set_jack(struct snd_soc_component *component,
1306 			    struct snd_soc_jack *jack, void *data)
1307 {
1308 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
1309 
1310 	aic31xx->jack = jack;
1311 
1312 	/* Enable/Disable jack detection */
1313 	regmap_write(aic31xx->regmap, AIC31XX_HSDETECT,
1314 		     jack ? AIC31XX_HSD_ENABLE : 0);
1315 
1316 	return 0;
1317 }
1318 
1319 static int aic31xx_codec_probe(struct snd_soc_component *component)
1320 {
1321 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
1322 	int i, ret;
1323 
1324 	dev_dbg(aic31xx->dev, "## %s\n", __func__);
1325 
1326 	aic31xx->component = component;
1327 
1328 	for (i = 0; i < ARRAY_SIZE(aic31xx->supplies); i++) {
1329 		aic31xx->disable_nb[i].nb.notifier_call =
1330 			aic31xx_regulator_event;
1331 		aic31xx->disable_nb[i].aic31xx = aic31xx;
1332 		ret = devm_regulator_register_notifier(
1333 						aic31xx->supplies[i].consumer,
1334 						&aic31xx->disable_nb[i].nb);
1335 		if (ret) {
1336 			dev_err(component->dev,
1337 				"Failed to request regulator notifier: %d\n",
1338 				ret);
1339 			return ret;
1340 		}
1341 	}
1342 
1343 	regcache_cache_only(aic31xx->regmap, true);
1344 	regcache_mark_dirty(aic31xx->regmap);
1345 
1346 	ret = aic31xx_add_controls(component);
1347 	if (ret)
1348 		return ret;
1349 
1350 	ret = aic31xx_add_widgets(component);
1351 	if (ret)
1352 		return ret;
1353 
1354 	/* set output common-mode voltage */
1355 	snd_soc_component_update_bits(component, AIC31XX_HPDRIVER,
1356 				      AIC31XX_HPD_OCMV_MASK,
1357 				      aic31xx->ocmv << AIC31XX_HPD_OCMV_SHIFT);
1358 
1359 	return 0;
1360 }
1361 
1362 static const struct snd_soc_component_driver soc_codec_driver_aic31xx = {
1363 	.probe			= aic31xx_codec_probe,
1364 	.set_jack		= aic31xx_set_jack,
1365 	.set_bias_level		= aic31xx_set_bias_level,
1366 	.controls		= common31xx_snd_controls,
1367 	.num_controls		= ARRAY_SIZE(common31xx_snd_controls),
1368 	.dapm_widgets		= common31xx_dapm_widgets,
1369 	.num_dapm_widgets	= ARRAY_SIZE(common31xx_dapm_widgets),
1370 	.dapm_routes		= common31xx_audio_map,
1371 	.num_dapm_routes	= ARRAY_SIZE(common31xx_audio_map),
1372 	.suspend_bias_off	= 1,
1373 	.idle_bias_on		= 1,
1374 	.use_pmdown_time	= 1,
1375 	.endianness		= 1,
1376 	.non_legacy_dai_naming	= 1,
1377 };
1378 
1379 static const struct snd_soc_dai_ops aic31xx_dai_ops = {
1380 	.hw_params	= aic31xx_hw_params,
1381 	.set_sysclk	= aic31xx_set_dai_sysclk,
1382 	.set_fmt	= aic31xx_set_dai_fmt,
1383 	.mute_stream	= aic31xx_dac_mute,
1384 	.no_capture_mute = 1,
1385 };
1386 
1387 static struct snd_soc_dai_driver dac31xx_dai_driver[] = {
1388 	{
1389 		.name = "tlv320dac31xx-hifi",
1390 		.playback = {
1391 			.stream_name	 = "Playback",
1392 			.channels_min	 = 2,
1393 			.channels_max	 = 2,
1394 			.rates		 = AIC31XX_RATES,
1395 			.formats	 = AIC31XX_FORMATS,
1396 		},
1397 		.ops = &aic31xx_dai_ops,
1398 		.symmetric_rates = 1,
1399 	}
1400 };
1401 
1402 static struct snd_soc_dai_driver aic31xx_dai_driver[] = {
1403 	{
1404 		.name = "tlv320aic31xx-hifi",
1405 		.playback = {
1406 			.stream_name	 = "Playback",
1407 			.channels_min	 = 2,
1408 			.channels_max	 = 2,
1409 			.rates		 = AIC31XX_RATES,
1410 			.formats	 = AIC31XX_FORMATS,
1411 		},
1412 		.capture = {
1413 			.stream_name	 = "Capture",
1414 			.channels_min	 = 2,
1415 			.channels_max	 = 2,
1416 			.rates		 = AIC31XX_RATES,
1417 			.formats	 = AIC31XX_FORMATS,
1418 		},
1419 		.ops = &aic31xx_dai_ops,
1420 		.symmetric_rates = 1,
1421 	}
1422 };
1423 
1424 #if defined(CONFIG_OF)
1425 static const struct of_device_id tlv320aic31xx_of_match[] = {
1426 	{ .compatible = "ti,tlv320aic310x" },
1427 	{ .compatible = "ti,tlv320aic311x" },
1428 	{ .compatible = "ti,tlv320aic3100" },
1429 	{ .compatible = "ti,tlv320aic3110" },
1430 	{ .compatible = "ti,tlv320aic3120" },
1431 	{ .compatible = "ti,tlv320aic3111" },
1432 	{ .compatible = "ti,tlv320dac3100" },
1433 	{ .compatible = "ti,tlv320dac3101" },
1434 	{},
1435 };
1436 MODULE_DEVICE_TABLE(of, tlv320aic31xx_of_match);
1437 #endif /* CONFIG_OF */
1438 
1439 #ifdef CONFIG_ACPI
1440 static const struct acpi_device_id aic31xx_acpi_match[] = {
1441 	{ "10TI3100", 0 },
1442 	{ }
1443 };
1444 MODULE_DEVICE_TABLE(acpi, aic31xx_acpi_match);
1445 #endif
1446 
1447 static irqreturn_t aic31xx_irq(int irq, void *data)
1448 {
1449 	struct aic31xx_priv *aic31xx = data;
1450 	struct device *dev = aic31xx->dev;
1451 	unsigned int value;
1452 	bool handled = false;
1453 	int ret;
1454 
1455 	ret = regmap_read(aic31xx->regmap, AIC31XX_INTRDACFLAG, &value);
1456 	if (ret) {
1457 		dev_err(dev, "Failed to read interrupt mask: %d\n", ret);
1458 		goto exit;
1459 	}
1460 
1461 	if (value)
1462 		handled = true;
1463 	else
1464 		goto read_overflow;
1465 
1466 	if (value & AIC31XX_HPLSCDETECT)
1467 		dev_err(dev, "Short circuit on Left output is detected\n");
1468 	if (value & AIC31XX_HPRSCDETECT)
1469 		dev_err(dev, "Short circuit on Right output is detected\n");
1470 	if (value & (AIC31XX_HSPLUG | AIC31XX_BUTTONPRESS)) {
1471 		unsigned int val;
1472 		int status = 0;
1473 
1474 		ret = regmap_read(aic31xx->regmap, AIC31XX_INTRDACFLAG2,
1475 				  &val);
1476 		if (ret) {
1477 			dev_err(dev, "Failed to read interrupt mask: %d\n",
1478 				ret);
1479 			goto exit;
1480 		}
1481 
1482 		if (val & AIC31XX_BUTTONPRESS)
1483 			status |= SND_JACK_BTN_0;
1484 
1485 		ret = regmap_read(aic31xx->regmap, AIC31XX_HSDETECT, &val);
1486 		if (ret) {
1487 			dev_err(dev, "Failed to read headset type: %d\n", ret);
1488 			goto exit;
1489 		}
1490 
1491 		switch ((val & AIC31XX_HSD_TYPE_MASK) >>
1492 			AIC31XX_HSD_TYPE_SHIFT) {
1493 		case AIC31XX_HSD_HP:
1494 			status |= SND_JACK_HEADPHONE;
1495 			break;
1496 		case AIC31XX_HSD_HS:
1497 			status |= SND_JACK_HEADSET;
1498 			break;
1499 		default:
1500 			break;
1501 		}
1502 
1503 		if (aic31xx->jack)
1504 			snd_soc_jack_report(aic31xx->jack, status,
1505 					    AIC31XX_JACK_MASK);
1506 	}
1507 	if (value & ~(AIC31XX_HPLSCDETECT |
1508 		      AIC31XX_HPRSCDETECT |
1509 		      AIC31XX_HSPLUG |
1510 		      AIC31XX_BUTTONPRESS))
1511 		dev_err(dev, "Unknown DAC interrupt flags: 0x%08x\n", value);
1512 
1513 read_overflow:
1514 	ret = regmap_read(aic31xx->regmap, AIC31XX_OFFLAG, &value);
1515 	if (ret) {
1516 		dev_err(dev, "Failed to read overflow flag: %d\n", ret);
1517 		goto exit;
1518 	}
1519 
1520 	if (value)
1521 		handled = true;
1522 	else
1523 		goto exit;
1524 
1525 	if (value & AIC31XX_DAC_OF_LEFT)
1526 		dev_warn(dev, "Left-channel DAC overflow has occurred\n");
1527 	if (value & AIC31XX_DAC_OF_RIGHT)
1528 		dev_warn(dev, "Right-channel DAC overflow has occurred\n");
1529 	if (value & AIC31XX_DAC_OF_SHIFTER)
1530 		dev_warn(dev, "DAC barrel shifter overflow has occurred\n");
1531 	if (value & AIC31XX_ADC_OF)
1532 		dev_warn(dev, "ADC overflow has occurred\n");
1533 	if (value & AIC31XX_ADC_OF_SHIFTER)
1534 		dev_warn(dev, "ADC barrel shifter overflow has occurred\n");
1535 	if (value & ~(AIC31XX_DAC_OF_LEFT |
1536 		      AIC31XX_DAC_OF_RIGHT |
1537 		      AIC31XX_DAC_OF_SHIFTER |
1538 		      AIC31XX_ADC_OF |
1539 		      AIC31XX_ADC_OF_SHIFTER))
1540 		dev_warn(dev, "Unknown overflow interrupt flags: 0x%08x\n", value);
1541 
1542 exit:
1543 	if (handled)
1544 		return IRQ_HANDLED;
1545 	else
1546 		return IRQ_NONE;
1547 }
1548 
1549 static void aic31xx_configure_ocmv(struct aic31xx_priv *priv)
1550 {
1551 	struct device *dev = priv->dev;
1552 	int dvdd, avdd;
1553 	u32 value;
1554 
1555 	if (dev->fwnode &&
1556 	    fwnode_property_read_u32(dev->fwnode, "ai31xx-ocmv", &value)) {
1557 		/* OCMV setting is forced by DT */
1558 		if (value <= 3) {
1559 			priv->ocmv = value;
1560 			return;
1561 		}
1562 	}
1563 
1564 	avdd = regulator_get_voltage(priv->supplies[3].consumer);
1565 	dvdd = regulator_get_voltage(priv->supplies[5].consumer);
1566 
1567 	if (avdd > 3600000 || dvdd > 1950000) {
1568 		dev_warn(dev,
1569 			 "Too high supply voltage(s) AVDD: %d, DVDD: %d\n",
1570 			 avdd, dvdd);
1571 	} else if (avdd == 3600000 && dvdd == 1950000) {
1572 		priv->ocmv = AIC31XX_HPD_OCMV_1_8V;
1573 	} else if (avdd >= 3300000 && dvdd >= 1800000) {
1574 		priv->ocmv = AIC31XX_HPD_OCMV_1_65V;
1575 	} else if (avdd >= 3000000 && dvdd >= 1650000) {
1576 		priv->ocmv = AIC31XX_HPD_OCMV_1_5V;
1577 	} else if (avdd >= 2700000 && dvdd >= 1525000) {
1578 		priv->ocmv = AIC31XX_HPD_OCMV_1_35V;
1579 	} else {
1580 		dev_warn(dev,
1581 			 "Invalid supply voltage(s) AVDD: %d, DVDD: %d\n",
1582 			 avdd, dvdd);
1583 	}
1584 }
1585 
1586 static int aic31xx_i2c_probe(struct i2c_client *i2c,
1587 			     const struct i2c_device_id *id)
1588 {
1589 	struct aic31xx_priv *aic31xx;
1590 	unsigned int micbias_value = MICBIAS_2_0V;
1591 	int i, ret;
1592 
1593 	dev_dbg(&i2c->dev, "## %s: %s codec_type = %d\n", __func__,
1594 		id->name, (int)id->driver_data);
1595 
1596 	aic31xx = devm_kzalloc(&i2c->dev, sizeof(*aic31xx), GFP_KERNEL);
1597 	if (!aic31xx)
1598 		return -ENOMEM;
1599 
1600 	aic31xx->regmap = devm_regmap_init_i2c(i2c, &aic31xx_i2c_regmap);
1601 	if (IS_ERR(aic31xx->regmap)) {
1602 		ret = PTR_ERR(aic31xx->regmap);
1603 		dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1604 			ret);
1605 		return ret;
1606 	}
1607 	aic31xx->dev = &i2c->dev;
1608 	aic31xx->irq = i2c->irq;
1609 
1610 	aic31xx->codec_type = id->driver_data;
1611 
1612 	dev_set_drvdata(aic31xx->dev, aic31xx);
1613 
1614 	fwnode_property_read_u32(aic31xx->dev->fwnode, "ai31xx-micbias-vg",
1615 				 &micbias_value);
1616 	switch (micbias_value) {
1617 	case MICBIAS_2_0V:
1618 	case MICBIAS_2_5V:
1619 	case MICBIAS_AVDDV:
1620 		aic31xx->micbias_vg = micbias_value;
1621 		break;
1622 	default:
1623 		dev_err(aic31xx->dev, "Bad ai31xx-micbias-vg value %d\n",
1624 			micbias_value);
1625 		aic31xx->micbias_vg = MICBIAS_2_0V;
1626 	}
1627 
1628 	if (dev_get_platdata(aic31xx->dev)) {
1629 		memcpy(&aic31xx->pdata, dev_get_platdata(aic31xx->dev), sizeof(aic31xx->pdata));
1630 		aic31xx->codec_type = aic31xx->pdata.codec_type;
1631 		aic31xx->micbias_vg = aic31xx->pdata.micbias_vg;
1632 	}
1633 
1634 	aic31xx->gpio_reset = devm_gpiod_get_optional(aic31xx->dev, "reset",
1635 						      GPIOD_OUT_LOW);
1636 	if (IS_ERR(aic31xx->gpio_reset)) {
1637 		if (PTR_ERR(aic31xx->gpio_reset) != -EPROBE_DEFER)
1638 			dev_err(aic31xx->dev, "not able to acquire gpio\n");
1639 		return PTR_ERR(aic31xx->gpio_reset);
1640 	}
1641 
1642 	for (i = 0; i < ARRAY_SIZE(aic31xx->supplies); i++)
1643 		aic31xx->supplies[i].supply = aic31xx_supply_names[i];
1644 
1645 	ret = devm_regulator_bulk_get(aic31xx->dev,
1646 				      ARRAY_SIZE(aic31xx->supplies),
1647 				      aic31xx->supplies);
1648 	if (ret) {
1649 		if (ret != -EPROBE_DEFER)
1650 			dev_err(aic31xx->dev,
1651 				"Failed to request supplies: %d\n", ret);
1652 		return ret;
1653 	}
1654 
1655 	aic31xx_configure_ocmv(aic31xx);
1656 
1657 	if (aic31xx->irq > 0) {
1658 		regmap_update_bits(aic31xx->regmap, AIC31XX_GPIO1,
1659 				   AIC31XX_GPIO1_FUNC_MASK,
1660 				   AIC31XX_GPIO1_INT1 <<
1661 				   AIC31XX_GPIO1_FUNC_SHIFT);
1662 
1663 		regmap_write(aic31xx->regmap, AIC31XX_INT1CTRL,
1664 			     AIC31XX_HSPLUGDET |
1665 			     AIC31XX_BUTTONPRESSDET |
1666 			     AIC31XX_SC |
1667 			     AIC31XX_ENGINE);
1668 
1669 		ret = devm_request_threaded_irq(aic31xx->dev, aic31xx->irq,
1670 						NULL, aic31xx_irq,
1671 						IRQF_ONESHOT, "aic31xx-irq",
1672 						aic31xx);
1673 		if (ret) {
1674 			dev_err(aic31xx->dev, "Unable to request IRQ\n");
1675 			return ret;
1676 		}
1677 	}
1678 
1679 	if (aic31xx->codec_type & DAC31XX_BIT)
1680 		return devm_snd_soc_register_component(&i2c->dev,
1681 				&soc_codec_driver_aic31xx,
1682 				dac31xx_dai_driver,
1683 				ARRAY_SIZE(dac31xx_dai_driver));
1684 	else
1685 		return devm_snd_soc_register_component(&i2c->dev,
1686 				&soc_codec_driver_aic31xx,
1687 				aic31xx_dai_driver,
1688 				ARRAY_SIZE(aic31xx_dai_driver));
1689 }
1690 
1691 static const struct i2c_device_id aic31xx_i2c_id[] = {
1692 	{ "tlv320aic310x", AIC3100 },
1693 	{ "tlv320aic311x", AIC3110 },
1694 	{ "tlv320aic3100", AIC3100 },
1695 	{ "tlv320aic3110", AIC3110 },
1696 	{ "tlv320aic3120", AIC3120 },
1697 	{ "tlv320aic3111", AIC3111 },
1698 	{ "tlv320dac3100", DAC3100 },
1699 	{ "tlv320dac3101", DAC3101 },
1700 	{ }
1701 };
1702 MODULE_DEVICE_TABLE(i2c, aic31xx_i2c_id);
1703 
1704 static struct i2c_driver aic31xx_i2c_driver = {
1705 	.driver = {
1706 		.name	= "tlv320aic31xx-codec",
1707 		.of_match_table = of_match_ptr(tlv320aic31xx_of_match),
1708 		.acpi_match_table = ACPI_PTR(aic31xx_acpi_match),
1709 	},
1710 	.probe		= aic31xx_i2c_probe,
1711 	.id_table	= aic31xx_i2c_id,
1712 };
1713 module_i2c_driver(aic31xx_i2c_driver);
1714 
1715 MODULE_AUTHOR("Jyri Sarha <jsarha@ti.com>");
1716 MODULE_DESCRIPTION("ASoC TLV320AIC31xx CODEC Driver");
1717 MODULE_LICENSE("GPL v2");
1718