xref: /openbmc/linux/sound/soc/codecs/tlv320aic31xx.c (revision a531b0c2)
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 int aic31xx_set_jack(struct snd_soc_component *component,
39                             struct snd_soc_jack *jack, void *data);
40 
41 static const struct reg_default aic31xx_reg_defaults[] = {
42 	{ AIC31XX_CLKMUX, 0x00 },
43 	{ AIC31XX_PLLPR, 0x11 },
44 	{ AIC31XX_PLLJ, 0x04 },
45 	{ AIC31XX_PLLDMSB, 0x00 },
46 	{ AIC31XX_PLLDLSB, 0x00 },
47 	{ AIC31XX_NDAC, 0x01 },
48 	{ AIC31XX_MDAC, 0x01 },
49 	{ AIC31XX_DOSRMSB, 0x00 },
50 	{ AIC31XX_DOSRLSB, 0x80 },
51 	{ AIC31XX_NADC, 0x01 },
52 	{ AIC31XX_MADC, 0x01 },
53 	{ AIC31XX_AOSR, 0x80 },
54 	{ AIC31XX_IFACE1, 0x00 },
55 	{ AIC31XX_DATA_OFFSET, 0x00 },
56 	{ AIC31XX_IFACE2, 0x00 },
57 	{ AIC31XX_BCLKN, 0x01 },
58 	{ AIC31XX_DACSETUP, 0x14 },
59 	{ AIC31XX_DACMUTE, 0x0c },
60 	{ AIC31XX_LDACVOL, 0x00 },
61 	{ AIC31XX_RDACVOL, 0x00 },
62 	{ AIC31XX_ADCSETUP, 0x00 },
63 	{ AIC31XX_ADCFGA, 0x80 },
64 	{ AIC31XX_ADCVOL, 0x00 },
65 	{ AIC31XX_HPDRIVER, 0x04 },
66 	{ AIC31XX_SPKAMP, 0x06 },
67 	{ AIC31XX_DACMIXERROUTE, 0x00 },
68 	{ AIC31XX_LANALOGHPL, 0x7f },
69 	{ AIC31XX_RANALOGHPR, 0x7f },
70 	{ AIC31XX_LANALOGSPL, 0x7f },
71 	{ AIC31XX_RANALOGSPR, 0x7f },
72 	{ AIC31XX_HPLGAIN, 0x02 },
73 	{ AIC31XX_HPRGAIN, 0x02 },
74 	{ AIC31XX_SPLGAIN, 0x00 },
75 	{ AIC31XX_SPRGAIN, 0x00 },
76 	{ AIC31XX_MICBIAS, 0x00 },
77 	{ AIC31XX_MICPGA, 0x80 },
78 	{ AIC31XX_MICPGAPI, 0x00 },
79 	{ AIC31XX_MICPGAMI, 0x00 },
80 };
81 
82 static bool aic31xx_volatile(struct device *dev, unsigned int reg)
83 {
84 	switch (reg) {
85 	case AIC31XX_PAGECTL: /* regmap implementation requires this */
86 	case AIC31XX_RESET: /* always clears after write */
87 	case AIC31XX_OT_FLAG:
88 	case AIC31XX_ADCFLAG:
89 	case AIC31XX_DACFLAG1:
90 	case AIC31XX_DACFLAG2:
91 	case AIC31XX_OFFLAG: /* Sticky interrupt flags */
92 	case AIC31XX_INTRDACFLAG: /* Sticky interrupt flags */
93 	case AIC31XX_INTRADCFLAG: /* Sticky interrupt flags */
94 	case AIC31XX_INTRDACFLAG2:
95 	case AIC31XX_INTRADCFLAG2:
96 	case AIC31XX_HSDETECT:
97 		return true;
98 	}
99 	return false;
100 }
101 
102 static bool aic31xx_writeable(struct device *dev, unsigned int reg)
103 {
104 	switch (reg) {
105 	case AIC31XX_OT_FLAG:
106 	case AIC31XX_ADCFLAG:
107 	case AIC31XX_DACFLAG1:
108 	case AIC31XX_DACFLAG2:
109 	case AIC31XX_OFFLAG: /* Sticky interrupt flags */
110 	case AIC31XX_INTRDACFLAG: /* Sticky interrupt flags */
111 	case AIC31XX_INTRADCFLAG: /* Sticky interrupt flags */
112 	case AIC31XX_INTRDACFLAG2:
113 	case AIC31XX_INTRADCFLAG2:
114 		return false;
115 	}
116 	return true;
117 }
118 
119 static const struct regmap_range_cfg aic31xx_ranges[] = {
120 	{
121 		.range_min = 0,
122 		.range_max = 12 * 128,
123 		.selector_reg = AIC31XX_PAGECTL,
124 		.selector_mask = 0xff,
125 		.selector_shift = 0,
126 		.window_start = 0,
127 		.window_len = 128,
128 	},
129 };
130 
131 static const struct regmap_config aic31xx_i2c_regmap = {
132 	.reg_bits = 8,
133 	.val_bits = 8,
134 	.writeable_reg = aic31xx_writeable,
135 	.volatile_reg = aic31xx_volatile,
136 	.reg_defaults = aic31xx_reg_defaults,
137 	.num_reg_defaults = ARRAY_SIZE(aic31xx_reg_defaults),
138 	.cache_type = REGCACHE_RBTREE,
139 	.ranges = aic31xx_ranges,
140 	.num_ranges = ARRAY_SIZE(aic31xx_ranges),
141 	.max_register = 12 * 128,
142 };
143 
144 static const char * const aic31xx_supply_names[] = {
145 	"HPVDD",
146 	"SPRVDD",
147 	"SPLVDD",
148 	"AVDD",
149 	"IOVDD",
150 	"DVDD",
151 };
152 
153 #define AIC31XX_NUM_SUPPLIES ARRAY_SIZE(aic31xx_supply_names)
154 
155 struct aic31xx_disable_nb {
156 	struct notifier_block nb;
157 	struct aic31xx_priv *aic31xx;
158 };
159 
160 struct aic31xx_priv {
161 	struct snd_soc_component *component;
162 	u8 i2c_regs_status;
163 	struct device *dev;
164 	struct regmap *regmap;
165 	enum aic31xx_type codec_type;
166 	struct gpio_desc *gpio_reset;
167 	int micbias_vg;
168 	struct aic31xx_pdata pdata;
169 	struct regulator_bulk_data supplies[AIC31XX_NUM_SUPPLIES];
170 	struct aic31xx_disable_nb disable_nb[AIC31XX_NUM_SUPPLIES];
171 	struct snd_soc_jack *jack;
172 	unsigned int sysclk;
173 	u8 p_div;
174 	int rate_div_line;
175 	bool master_dapm_route_applied;
176 	int irq;
177 	u8 ocmv; /* output common-mode voltage */
178 };
179 
180 struct aic31xx_rate_divs {
181 	u32 mclk_p;
182 	u32 rate;
183 	u8 pll_j;
184 	u16 pll_d;
185 	u16 dosr;
186 	u8 ndac;
187 	u8 mdac;
188 	u8 aosr;
189 	u8 nadc;
190 	u8 madc;
191 };
192 
193 /* ADC dividers can be disabled by configuring them to 0 */
194 static const struct aic31xx_rate_divs aic31xx_divs[] = {
195 	/* mclk/p    rate  pll: j     d        dosr ndac mdac  aors nadc madc */
196 	/* 8k rate */
197 	{12000000,   8000,	8, 1920,	128,  48,  2,	128,  48,  2},
198 	{12000000,   8000,	8, 1920,	128,  32,  3,	128,  32,  3},
199 	{12500000,   8000,	7, 8643,	128,  48,  2,	128,  48,  2},
200 	/* 11.025k rate */
201 	{12000000,  11025,	7, 5264,	128,  32,  2,	128,  32,  2},
202 	{12000000,  11025,	8, 4672,	128,  24,  3,	128,  24,  3},
203 	{12500000,  11025,	7, 2253,	128,  32,  2,	128,  32,  2},
204 	/* 16k rate */
205 	{12000000,  16000,	8, 1920,	128,  24,  2,	128,  24,  2},
206 	{12000000,  16000,	8, 1920,	128,  16,  3,	128,  16,  3},
207 	{12500000,  16000,	7, 8643,	128,  24,  2,	128,  24,  2},
208 	/* 22.05k rate */
209 	{12000000,  22050,	7, 5264,	128,  16,  2,	128,  16,  2},
210 	{12000000,  22050,	8, 4672,	128,  12,  3,	128,  12,  3},
211 	{12500000,  22050,	7, 2253,	128,  16,  2,	128,  16,  2},
212 	/* 32k rate */
213 	{12000000,  32000,	8, 1920,	128,  12,  2,	128,  12,  2},
214 	{12000000,  32000,	8, 1920,	128,   8,  3,	128,   8,  3},
215 	{12500000,  32000,	7, 8643,	128,  12,  2,	128,  12,  2},
216 	/* 44.1k rate */
217 	{12000000,  44100,	7, 5264,	128,   8,  2,	128,   8,  2},
218 	{12000000,  44100,	8, 4672,	128,   6,  3,	128,   6,  3},
219 	{12500000,  44100,	7, 2253,	128,   8,  2,	128,   8,  2},
220 	/* 48k rate */
221 	{12000000,  48000,	8, 1920,	128,   8,  2,	128,   8,  2},
222 	{12000000,  48000,	7, 6800,	 96,   5,  4,	 96,   5,  4},
223 	{12500000,  48000,	7, 8643,	128,   8,  2,	128,   8,  2},
224 	/* 88.2k rate */
225 	{12000000,  88200,	7, 5264,	 64,   8,  2,	 64,   8,  2},
226 	{12000000,  88200,	8, 4672,	 64,   6,  3,	 64,   6,  3},
227 	{12500000,  88200,	7, 2253,	 64,   8,  2,	 64,   8,  2},
228 	/* 96k rate */
229 	{12000000,  96000,	8, 1920,	 64,   8,  2,	 64,   8,  2},
230 	{12000000,  96000,	7, 6800,	 48,   5,  4,	 48,   5,  4},
231 	{12500000,  96000,	7, 8643,	 64,   8,  2,	 64,   8,  2},
232 	/* 176.4k rate */
233 	{12000000, 176400,	7, 5264,	 32,   8,  2,	 32,   8,  2},
234 	{12000000, 176400,	8, 4672,	 32,   6,  3,	 32,   6,  3},
235 	{12500000, 176400,	7, 2253,	 32,   8,  2,	 32,   8,  2},
236 	/* 192k rate */
237 	{12000000, 192000,	8, 1920,	 32,   8,  2,	 32,   8,  2},
238 	{12000000, 192000,	7, 6800,	 24,   5,  4,	 24,   5,  4},
239 	{12500000, 192000,	7, 8643,	 32,   8,  2,	 32,   8,  2},
240 };
241 
242 static const char * const ldac_in_text[] = {
243 	"Off", "Left Data", "Right Data", "Mono"
244 };
245 
246 static const char * const rdac_in_text[] = {
247 	"Off", "Right Data", "Left Data", "Mono"
248 };
249 
250 static SOC_ENUM_SINGLE_DECL(ldac_in_enum, AIC31XX_DACSETUP, 4, ldac_in_text);
251 
252 static SOC_ENUM_SINGLE_DECL(rdac_in_enum, AIC31XX_DACSETUP, 2, rdac_in_text);
253 
254 static const char * const mic_select_text[] = {
255 	"Off", "FFR 10 Ohm", "FFR 20 Ohm", "FFR 40 Ohm"
256 };
257 
258 static SOC_ENUM_SINGLE_DECL(mic1lp_p_enum, AIC31XX_MICPGAPI, 6,
259 	mic_select_text);
260 static SOC_ENUM_SINGLE_DECL(mic1rp_p_enum, AIC31XX_MICPGAPI, 4,
261 	mic_select_text);
262 static SOC_ENUM_SINGLE_DECL(mic1lm_p_enum, AIC31XX_MICPGAPI, 2,
263 	mic_select_text);
264 
265 static SOC_ENUM_SINGLE_DECL(mic1lm_m_enum, AIC31XX_MICPGAMI, 4,
266 	mic_select_text);
267 
268 static const char * const hp_poweron_time_text[] = {
269 	"0us", "15.3us", "153us", "1.53ms", "15.3ms", "76.2ms",
270 	"153ms", "304ms", "610ms", "1.22s", "3.04s", "6.1s" };
271 
272 static SOC_ENUM_SINGLE_DECL(hp_poweron_time_enum, AIC31XX_HPPOP, 3,
273 	hp_poweron_time_text);
274 
275 static const char * const hp_rampup_step_text[] = {
276 	"0ms", "0.98ms", "1.95ms", "3.9ms" };
277 
278 static SOC_ENUM_SINGLE_DECL(hp_rampup_step_enum, AIC31XX_HPPOP, 1,
279 	hp_rampup_step_text);
280 
281 static const char * const vol_soft_step_mode_text[] = {
282 	"fast", "slow", "disabled" };
283 
284 static SOC_ENUM_SINGLE_DECL(vol_soft_step_mode_enum, AIC31XX_DACSETUP, 0,
285 	vol_soft_step_mode_text);
286 
287 static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -6350, 50, 0);
288 static const DECLARE_TLV_DB_SCALE(adc_fgain_tlv, 0, 10, 0);
289 static const DECLARE_TLV_DB_SCALE(adc_cgain_tlv, -2000, 50, 0);
290 static const DECLARE_TLV_DB_SCALE(mic_pga_tlv, 0, 50, 0);
291 static const DECLARE_TLV_DB_SCALE(hp_drv_tlv, 0, 100, 0);
292 static const DECLARE_TLV_DB_SCALE(class_D_drv_tlv, 600, 600, 0);
293 static const DECLARE_TLV_DB_SCALE(hp_vol_tlv, -6350, 50, 0);
294 static const DECLARE_TLV_DB_SCALE(sp_vol_tlv, -6350, 50, 0);
295 
296 /*
297  * controls to be exported to the user space
298  */
299 static const struct snd_kcontrol_new common31xx_snd_controls[] = {
300 	SOC_DOUBLE_R_S_TLV("DAC Playback Volume", AIC31XX_LDACVOL,
301 			   AIC31XX_RDACVOL, 0, -127, 48, 7, 0, dac_vol_tlv),
302 
303 	SOC_DOUBLE_R("HP Driver Playback Switch", AIC31XX_HPLGAIN,
304 		     AIC31XX_HPRGAIN, 2, 1, 0),
305 	SOC_DOUBLE_R_TLV("HP Driver Playback Volume", AIC31XX_HPLGAIN,
306 			 AIC31XX_HPRGAIN, 3, 0x09, 0, hp_drv_tlv),
307 
308 	SOC_DOUBLE_R_TLV("HP Analog Playback Volume", AIC31XX_LANALOGHPL,
309 			 AIC31XX_RANALOGHPR, 0, 0x7F, 1, hp_vol_tlv),
310 
311 	/* HP de-pop control: apply power not immediately but via ramp
312 	 * function with these psarameters. Note that power up sequence
313 	 * has to wait for this to complete; this is implemented by
314 	 * polling HP driver status in aic31xx_dapm_power_event()
315 	 */
316 	SOC_ENUM("HP Output Driver Power-On time", hp_poweron_time_enum),
317 	SOC_ENUM("HP Output Driver Ramp-up step", hp_rampup_step_enum),
318 
319 	SOC_ENUM("Volume Soft Stepping", vol_soft_step_mode_enum),
320 };
321 
322 static const struct snd_kcontrol_new aic31xx_snd_controls[] = {
323 	SOC_SINGLE_TLV("ADC Fine Capture Volume", AIC31XX_ADCFGA, 4, 4, 1,
324 		       adc_fgain_tlv),
325 
326 	SOC_SINGLE("ADC Capture Switch", AIC31XX_ADCFGA, 7, 1, 1),
327 	SOC_DOUBLE_R_S_TLV("ADC Capture Volume", AIC31XX_ADCVOL, AIC31XX_ADCVOL,
328 			   0, -24, 40, 6, 0, adc_cgain_tlv),
329 
330 	SOC_SINGLE_TLV("Mic PGA Capture Volume", AIC31XX_MICPGA, 0,
331 		       119, 0, mic_pga_tlv),
332 };
333 
334 static const struct snd_kcontrol_new aic311x_snd_controls[] = {
335 	SOC_DOUBLE_R("Speaker Driver Playback Switch", AIC31XX_SPLGAIN,
336 		     AIC31XX_SPRGAIN, 2, 1, 0),
337 	SOC_DOUBLE_R_TLV("Speaker Driver Playback Volume", AIC31XX_SPLGAIN,
338 			 AIC31XX_SPRGAIN, 3, 3, 0, class_D_drv_tlv),
339 
340 	SOC_DOUBLE_R_TLV("Speaker Analog Playback Volume", AIC31XX_LANALOGSPL,
341 			 AIC31XX_RANALOGSPR, 0, 0x7F, 1, sp_vol_tlv),
342 };
343 
344 static const struct snd_kcontrol_new aic310x_snd_controls[] = {
345 	SOC_SINGLE("Speaker Driver Playback Switch", AIC31XX_SPLGAIN,
346 		   2, 1, 0),
347 	SOC_SINGLE_TLV("Speaker Driver Playback Volume", AIC31XX_SPLGAIN,
348 		       3, 3, 0, class_D_drv_tlv),
349 
350 	SOC_SINGLE_TLV("Speaker Analog Playback Volume", AIC31XX_LANALOGSPL,
351 		       0, 0x7F, 1, sp_vol_tlv),
352 };
353 
354 static const struct snd_kcontrol_new ldac_in_control =
355 	SOC_DAPM_ENUM("DAC Left Input", ldac_in_enum);
356 
357 static const struct snd_kcontrol_new rdac_in_control =
358 	SOC_DAPM_ENUM("DAC Right Input", rdac_in_enum);
359 
360 static int aic31xx_wait_bits(struct aic31xx_priv *aic31xx, unsigned int reg,
361 			     unsigned int mask, unsigned int wbits, int sleep,
362 			     int count)
363 {
364 	unsigned int bits;
365 	int counter = count;
366 	int ret = regmap_read(aic31xx->regmap, reg, &bits);
367 
368 	while ((bits & mask) != wbits && counter && !ret) {
369 		usleep_range(sleep, sleep * 2);
370 		ret = regmap_read(aic31xx->regmap, reg, &bits);
371 		counter--;
372 	}
373 	if ((bits & mask) != wbits) {
374 		dev_err(aic31xx->dev,
375 			"%s: Failed! 0x%x was 0x%x expected 0x%x (%d, 0x%x, %d us)\n",
376 			__func__, reg, bits, wbits, ret, mask,
377 			(count - counter) * sleep);
378 		ret = -1;
379 	}
380 	return ret;
381 }
382 
383 #define WIDGET_BIT(reg, shift) (((shift) << 8) | (reg))
384 
385 static int aic31xx_dapm_power_event(struct snd_soc_dapm_widget *w,
386 				    struct snd_kcontrol *kcontrol, int event)
387 {
388 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
389 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
390 	unsigned int reg = AIC31XX_DACFLAG1;
391 	unsigned int mask;
392 	unsigned int timeout = 500 * USEC_PER_MSEC;
393 
394 	switch (WIDGET_BIT(w->reg, w->shift)) {
395 	case WIDGET_BIT(AIC31XX_DACSETUP, 7):
396 		mask = AIC31XX_LDACPWRSTATUS_MASK;
397 		break;
398 	case WIDGET_BIT(AIC31XX_DACSETUP, 6):
399 		mask = AIC31XX_RDACPWRSTATUS_MASK;
400 		break;
401 	case WIDGET_BIT(AIC31XX_HPDRIVER, 7):
402 		mask = AIC31XX_HPLDRVPWRSTATUS_MASK;
403 		if (event == SND_SOC_DAPM_POST_PMU)
404 			timeout = 7 * USEC_PER_SEC;
405 		break;
406 	case WIDGET_BIT(AIC31XX_HPDRIVER, 6):
407 		mask = AIC31XX_HPRDRVPWRSTATUS_MASK;
408 		if (event == SND_SOC_DAPM_POST_PMU)
409 			timeout = 7 * USEC_PER_SEC;
410 		break;
411 	case WIDGET_BIT(AIC31XX_SPKAMP, 7):
412 		mask = AIC31XX_SPLDRVPWRSTATUS_MASK;
413 		break;
414 	case WIDGET_BIT(AIC31XX_SPKAMP, 6):
415 		mask = AIC31XX_SPRDRVPWRSTATUS_MASK;
416 		break;
417 	case WIDGET_BIT(AIC31XX_ADCSETUP, 7):
418 		mask = AIC31XX_ADCPWRSTATUS_MASK;
419 		reg = AIC31XX_ADCFLAG;
420 		break;
421 	default:
422 		dev_err(component->dev, "Unknown widget '%s' calling %s\n",
423 			w->name, __func__);
424 		return -EINVAL;
425 	}
426 
427 	switch (event) {
428 	case SND_SOC_DAPM_POST_PMU:
429 		return aic31xx_wait_bits(aic31xx, reg, mask, mask,
430 				5000, timeout / 5000);
431 	case SND_SOC_DAPM_POST_PMD:
432 		return aic31xx_wait_bits(aic31xx, reg, mask, 0,
433 				5000, timeout / 5000);
434 	default:
435 		dev_dbg(component->dev,
436 			"Unhandled dapm widget event %d from %s\n",
437 			event, w->name);
438 	}
439 	return 0;
440 }
441 
442 static const struct snd_kcontrol_new aic31xx_left_output_switches[] = {
443 	SOC_DAPM_SINGLE("From Left DAC", AIC31XX_DACMIXERROUTE, 6, 1, 0),
444 	SOC_DAPM_SINGLE("From MIC1LP", AIC31XX_DACMIXERROUTE, 5, 1, 0),
445 	SOC_DAPM_SINGLE("From MIC1RP", AIC31XX_DACMIXERROUTE, 4, 1, 0),
446 };
447 
448 static const struct snd_kcontrol_new aic31xx_right_output_switches[] = {
449 	SOC_DAPM_SINGLE("From Right DAC", AIC31XX_DACMIXERROUTE, 2, 1, 0),
450 	SOC_DAPM_SINGLE("From MIC1RP", AIC31XX_DACMIXERROUTE, 1, 1, 0),
451 };
452 
453 static const struct snd_kcontrol_new dac31xx_left_output_switches[] = {
454 	SOC_DAPM_SINGLE("From Left DAC", AIC31XX_DACMIXERROUTE, 6, 1, 0),
455 	SOC_DAPM_SINGLE("From AIN1", AIC31XX_DACMIXERROUTE, 5, 1, 0),
456 	SOC_DAPM_SINGLE("From AIN2", AIC31XX_DACMIXERROUTE, 4, 1, 0),
457 };
458 
459 static const struct snd_kcontrol_new dac31xx_right_output_switches[] = {
460 	SOC_DAPM_SINGLE("From Right DAC", AIC31XX_DACMIXERROUTE, 2, 1, 0),
461 	SOC_DAPM_SINGLE("From AIN2", AIC31XX_DACMIXERROUTE, 1, 1, 0),
462 };
463 
464 static const struct snd_kcontrol_new p_term_mic1lp =
465 	SOC_DAPM_ENUM("MIC1LP P-Terminal", mic1lp_p_enum);
466 
467 static const struct snd_kcontrol_new p_term_mic1rp =
468 	SOC_DAPM_ENUM("MIC1RP P-Terminal", mic1rp_p_enum);
469 
470 static const struct snd_kcontrol_new p_term_mic1lm =
471 	SOC_DAPM_ENUM("MIC1LM P-Terminal", mic1lm_p_enum);
472 
473 static const struct snd_kcontrol_new m_term_mic1lm =
474 	SOC_DAPM_ENUM("MIC1LM M-Terminal", mic1lm_m_enum);
475 
476 static const struct snd_kcontrol_new aic31xx_dapm_hpl_switch =
477 	SOC_DAPM_SINGLE("Switch", AIC31XX_LANALOGHPL, 7, 1, 0);
478 
479 static const struct snd_kcontrol_new aic31xx_dapm_hpr_switch =
480 	SOC_DAPM_SINGLE("Switch", AIC31XX_RANALOGHPR, 7, 1, 0);
481 
482 static const struct snd_kcontrol_new aic31xx_dapm_spl_switch =
483 	SOC_DAPM_SINGLE("Switch", AIC31XX_LANALOGSPL, 7, 1, 0);
484 
485 static const struct snd_kcontrol_new aic31xx_dapm_spr_switch =
486 	SOC_DAPM_SINGLE("Switch", AIC31XX_RANALOGSPR, 7, 1, 0);
487 
488 static int mic_bias_event(struct snd_soc_dapm_widget *w,
489 			  struct snd_kcontrol *kcontrol, int event)
490 {
491 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
492 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
493 
494 	switch (event) {
495 	case SND_SOC_DAPM_POST_PMU:
496 		/* change mic bias voltage to user defined */
497 		snd_soc_component_update_bits(component, AIC31XX_MICBIAS,
498 				    AIC31XX_MICBIAS_MASK,
499 				    aic31xx->micbias_vg <<
500 				    AIC31XX_MICBIAS_SHIFT);
501 		dev_dbg(component->dev, "%s: turned on\n", __func__);
502 		break;
503 	case SND_SOC_DAPM_PRE_PMD:
504 		/* turn mic bias off */
505 		snd_soc_component_update_bits(component, AIC31XX_MICBIAS,
506 				    AIC31XX_MICBIAS_MASK, 0);
507 		dev_dbg(component->dev, "%s: turned off\n", __func__);
508 		break;
509 	}
510 	return 0;
511 }
512 
513 static const struct snd_soc_dapm_widget common31xx_dapm_widgets[] = {
514 	SND_SOC_DAPM_AIF_IN("AIF IN", "Playback", 0, SND_SOC_NOPM, 0, 0),
515 
516 	SND_SOC_DAPM_MUX("DAC Left Input",
517 			 SND_SOC_NOPM, 0, 0, &ldac_in_control),
518 	SND_SOC_DAPM_MUX("DAC Right Input",
519 			 SND_SOC_NOPM, 0, 0, &rdac_in_control),
520 	/* DACs */
521 	SND_SOC_DAPM_DAC_E("DAC Left", "Left Playback",
522 			   AIC31XX_DACSETUP, 7, 0, aic31xx_dapm_power_event,
523 			   SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
524 
525 	SND_SOC_DAPM_DAC_E("DAC Right", "Right Playback",
526 			   AIC31XX_DACSETUP, 6, 0, aic31xx_dapm_power_event,
527 			   SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
528 
529 	/* HP */
530 	SND_SOC_DAPM_SWITCH("HP Left", SND_SOC_NOPM, 0, 0,
531 			    &aic31xx_dapm_hpl_switch),
532 	SND_SOC_DAPM_SWITCH("HP Right", SND_SOC_NOPM, 0, 0,
533 			    &aic31xx_dapm_hpr_switch),
534 
535 	/* Output drivers */
536 	SND_SOC_DAPM_OUT_DRV_E("HPL Driver", AIC31XX_HPDRIVER, 7, 0,
537 			       NULL, 0, aic31xx_dapm_power_event,
538 			       SND_SOC_DAPM_POST_PMD | SND_SOC_DAPM_POST_PMU),
539 	SND_SOC_DAPM_OUT_DRV_E("HPR Driver", AIC31XX_HPDRIVER, 6, 0,
540 			       NULL, 0, aic31xx_dapm_power_event,
541 			       SND_SOC_DAPM_POST_PMD | SND_SOC_DAPM_POST_PMU),
542 
543 	/* Mic Bias */
544 	SND_SOC_DAPM_SUPPLY("MICBIAS", SND_SOC_NOPM, 0, 0, mic_bias_event,
545 			    SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
546 
547 	/* Keep BCLK/WCLK enabled even if DAC/ADC is powered down */
548 	SND_SOC_DAPM_SUPPLY("Activate I2S clocks", AIC31XX_IFACE2, 2, 0,
549 			    NULL, 0),
550 
551 	/* Outputs */
552 	SND_SOC_DAPM_OUTPUT("HPL"),
553 	SND_SOC_DAPM_OUTPUT("HPR"),
554 };
555 
556 static const struct snd_soc_dapm_widget dac31xx_dapm_widgets[] = {
557 	/* Inputs */
558 	SND_SOC_DAPM_INPUT("AIN1"),
559 	SND_SOC_DAPM_INPUT("AIN2"),
560 
561 	/* Output Mixers */
562 	SND_SOC_DAPM_MIXER("Output Left", SND_SOC_NOPM, 0, 0,
563 			   dac31xx_left_output_switches,
564 			   ARRAY_SIZE(dac31xx_left_output_switches)),
565 	SND_SOC_DAPM_MIXER("Output Right", SND_SOC_NOPM, 0, 0,
566 			   dac31xx_right_output_switches,
567 			   ARRAY_SIZE(dac31xx_right_output_switches)),
568 };
569 
570 static const struct snd_soc_dapm_widget aic31xx_dapm_widgets[] = {
571 	/* Inputs */
572 	SND_SOC_DAPM_INPUT("MIC1LP"),
573 	SND_SOC_DAPM_INPUT("MIC1RP"),
574 	SND_SOC_DAPM_INPUT("MIC1LM"),
575 
576 	/* Input Selection to MIC_PGA */
577 	SND_SOC_DAPM_MUX("MIC1LP P-Terminal", SND_SOC_NOPM, 0, 0,
578 			 &p_term_mic1lp),
579 	SND_SOC_DAPM_MUX("MIC1RP P-Terminal", SND_SOC_NOPM, 0, 0,
580 			 &p_term_mic1rp),
581 	SND_SOC_DAPM_MUX("MIC1LM P-Terminal", SND_SOC_NOPM, 0, 0,
582 			 &p_term_mic1lm),
583 
584 	/* ADC */
585 	SND_SOC_DAPM_ADC_E("ADC", "Capture", AIC31XX_ADCSETUP, 7, 0,
586 			   aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
587 			   SND_SOC_DAPM_POST_PMD),
588 
589 	SND_SOC_DAPM_MUX("MIC1LM M-Terminal", SND_SOC_NOPM, 0, 0,
590 			 &m_term_mic1lm),
591 
592 	/* Enabling & Disabling MIC Gain Ctl */
593 	SND_SOC_DAPM_PGA("MIC_GAIN_CTL", AIC31XX_MICPGA,
594 			 7, 1, NULL, 0),
595 
596 	/* Output Mixers */
597 	SND_SOC_DAPM_MIXER("Output Left", SND_SOC_NOPM, 0, 0,
598 			   aic31xx_left_output_switches,
599 			   ARRAY_SIZE(aic31xx_left_output_switches)),
600 	SND_SOC_DAPM_MIXER("Output Right", SND_SOC_NOPM, 0, 0,
601 			   aic31xx_right_output_switches,
602 			   ARRAY_SIZE(aic31xx_right_output_switches)),
603 
604 	SND_SOC_DAPM_AIF_OUT("AIF OUT", "Capture", 0, SND_SOC_NOPM, 0, 0),
605 };
606 
607 static const struct snd_soc_dapm_widget aic311x_dapm_widgets[] = {
608 	/* AIC3111 and AIC3110 have stereo class-D amplifier */
609 	SND_SOC_DAPM_OUT_DRV_E("SPL ClassD", AIC31XX_SPKAMP, 7, 0, NULL, 0,
610 			       aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
611 			       SND_SOC_DAPM_POST_PMD),
612 	SND_SOC_DAPM_OUT_DRV_E("SPR ClassD", AIC31XX_SPKAMP, 6, 0, NULL, 0,
613 			       aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
614 			       SND_SOC_DAPM_POST_PMD),
615 	SND_SOC_DAPM_SWITCH("Speaker Left", SND_SOC_NOPM, 0, 0,
616 			    &aic31xx_dapm_spl_switch),
617 	SND_SOC_DAPM_SWITCH("Speaker Right", SND_SOC_NOPM, 0, 0,
618 			    &aic31xx_dapm_spr_switch),
619 	SND_SOC_DAPM_OUTPUT("SPL"),
620 	SND_SOC_DAPM_OUTPUT("SPR"),
621 };
622 
623 /* AIC3100 and AIC3120 have only mono class-D amplifier */
624 static const struct snd_soc_dapm_widget aic310x_dapm_widgets[] = {
625 	SND_SOC_DAPM_OUT_DRV_E("SPK ClassD", AIC31XX_SPKAMP, 7, 0, NULL, 0,
626 			       aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
627 			       SND_SOC_DAPM_POST_PMD),
628 	SND_SOC_DAPM_SWITCH("Speaker", SND_SOC_NOPM, 0, 0,
629 			    &aic31xx_dapm_spl_switch),
630 	SND_SOC_DAPM_OUTPUT("SPK"),
631 };
632 
633 static const struct snd_soc_dapm_route
634 common31xx_audio_map[] = {
635 	/* DAC Input Routing */
636 	{"DAC Left Input", "Left Data", "AIF IN"},
637 	{"DAC Left Input", "Right Data", "AIF IN"},
638 	{"DAC Left Input", "Mono", "AIF IN"},
639 	{"DAC Right Input", "Left Data", "AIF IN"},
640 	{"DAC Right Input", "Right Data", "AIF IN"},
641 	{"DAC Right Input", "Mono", "AIF IN"},
642 	{"DAC Left", NULL, "DAC Left Input"},
643 	{"DAC Right", NULL, "DAC Right Input"},
644 
645 	/* HPL path */
646 	{"HP Left", "Switch", "Output Left"},
647 	{"HPL Driver", NULL, "HP Left"},
648 	{"HPL", NULL, "HPL Driver"},
649 
650 	/* HPR path */
651 	{"HP Right", "Switch", "Output Right"},
652 	{"HPR Driver", NULL, "HP Right"},
653 	{"HPR", NULL, "HPR Driver"},
654 };
655 
656 static const struct snd_soc_dapm_route
657 dac31xx_audio_map[] = {
658 	/* Left Output */
659 	{"Output Left", "From Left DAC", "DAC Left"},
660 	{"Output Left", "From AIN1", "AIN1"},
661 	{"Output Left", "From AIN2", "AIN2"},
662 
663 	/* Right Output */
664 	{"Output Right", "From Right DAC", "DAC Right"},
665 	{"Output Right", "From AIN2", "AIN2"},
666 };
667 
668 static const struct snd_soc_dapm_route
669 aic31xx_audio_map[] = {
670 	/* Mic input */
671 	{"MIC1LP P-Terminal", "FFR 10 Ohm", "MIC1LP"},
672 	{"MIC1LP P-Terminal", "FFR 20 Ohm", "MIC1LP"},
673 	{"MIC1LP P-Terminal", "FFR 40 Ohm", "MIC1LP"},
674 	{"MIC1RP P-Terminal", "FFR 10 Ohm", "MIC1RP"},
675 	{"MIC1RP P-Terminal", "FFR 20 Ohm", "MIC1RP"},
676 	{"MIC1RP P-Terminal", "FFR 40 Ohm", "MIC1RP"},
677 	{"MIC1LM P-Terminal", "FFR 10 Ohm", "MIC1LM"},
678 	{"MIC1LM P-Terminal", "FFR 20 Ohm", "MIC1LM"},
679 	{"MIC1LM P-Terminal", "FFR 40 Ohm", "MIC1LM"},
680 
681 	{"MIC1LM M-Terminal", "FFR 10 Ohm", "MIC1LM"},
682 	{"MIC1LM M-Terminal", "FFR 20 Ohm", "MIC1LM"},
683 	{"MIC1LM M-Terminal", "FFR 40 Ohm", "MIC1LM"},
684 
685 	{"MIC_GAIN_CTL", NULL, "MIC1LP P-Terminal"},
686 	{"MIC_GAIN_CTL", NULL, "MIC1RP P-Terminal"},
687 	{"MIC_GAIN_CTL", NULL, "MIC1LM P-Terminal"},
688 	{"MIC_GAIN_CTL", NULL, "MIC1LM M-Terminal"},
689 
690 	{"ADC", NULL, "MIC_GAIN_CTL"},
691 
692 	{"AIF OUT", NULL, "ADC"},
693 
694 	/* Left Output */
695 	{"Output Left", "From Left DAC", "DAC Left"},
696 	{"Output Left", "From MIC1LP", "MIC1LP"},
697 	{"Output Left", "From MIC1RP", "MIC1RP"},
698 
699 	/* Right Output */
700 	{"Output Right", "From Right DAC", "DAC Right"},
701 	{"Output Right", "From MIC1RP", "MIC1RP"},
702 };
703 
704 static const struct snd_soc_dapm_route
705 aic311x_audio_map[] = {
706 	/* SP L path */
707 	{"Speaker Left", "Switch", "Output Left"},
708 	{"SPL ClassD", NULL, "Speaker Left"},
709 	{"SPL", NULL, "SPL ClassD"},
710 
711 	/* SP R path */
712 	{"Speaker Right", "Switch", "Output Right"},
713 	{"SPR ClassD", NULL, "Speaker Right"},
714 	{"SPR", NULL, "SPR ClassD"},
715 };
716 
717 static const struct snd_soc_dapm_route
718 aic310x_audio_map[] = {
719 	/* SP L path */
720 	{"Speaker", "Switch", "Output Left"},
721 	{"SPK ClassD", NULL, "Speaker"},
722 	{"SPK", NULL, "SPK ClassD"},
723 };
724 
725 /*
726  * Always connected DAPM routes for codec clock master modes.
727  * If the codec is the master on the I2S bus, we need to power up components
728  * to have valid DAC_CLK.
729  *
730  * In order to have the I2S clocks on the bus either the DACs/ADC need to be
731  * enabled, or the P0/R29/D2 (Keep bclk/wclk in power down) need to be set.
732  *
733  * Otherwise the codec will not generate clocks on the bus.
734  */
735 static const struct snd_soc_dapm_route
736 common31xx_cm_audio_map[] = {
737 	{"HPL", NULL, "AIF IN"},
738 	{"HPR", NULL, "AIF IN"},
739 
740 	{"AIF IN", NULL, "Activate I2S clocks"},
741 };
742 
743 static const struct snd_soc_dapm_route
744 aic31xx_cm_audio_map[] = {
745 	{"AIF OUT", NULL, "MIC1LP"},
746 	{"AIF OUT", NULL, "MIC1RP"},
747 	{"AIF OUT", NULL, "MIC1LM"},
748 
749 	{"AIF OUT", NULL, "Activate I2S clocks"},
750 };
751 
752 static int aic31xx_add_controls(struct snd_soc_component *component)
753 {
754 	int ret = 0;
755 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
756 
757 	if (!(aic31xx->codec_type & DAC31XX_BIT))
758 		ret = snd_soc_add_component_controls(
759 			component, aic31xx_snd_controls,
760 			ARRAY_SIZE(aic31xx_snd_controls));
761 	if (ret)
762 		return ret;
763 
764 	if (aic31xx->codec_type & AIC31XX_STEREO_CLASS_D_BIT)
765 		ret = snd_soc_add_component_controls(
766 			component, aic311x_snd_controls,
767 			ARRAY_SIZE(aic311x_snd_controls));
768 	else
769 		ret = snd_soc_add_component_controls(
770 			component, aic310x_snd_controls,
771 			ARRAY_SIZE(aic310x_snd_controls));
772 
773 	return ret;
774 }
775 
776 static int aic31xx_add_widgets(struct snd_soc_component *component)
777 {
778 	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
779 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
780 	int ret = 0;
781 
782 	if (aic31xx->codec_type & DAC31XX_BIT) {
783 		ret = snd_soc_dapm_new_controls(
784 			dapm, dac31xx_dapm_widgets,
785 			ARRAY_SIZE(dac31xx_dapm_widgets));
786 		if (ret)
787 			return ret;
788 
789 		ret = snd_soc_dapm_add_routes(dapm, dac31xx_audio_map,
790 					      ARRAY_SIZE(dac31xx_audio_map));
791 		if (ret)
792 			return ret;
793 	} else {
794 		ret = snd_soc_dapm_new_controls(
795 			dapm, aic31xx_dapm_widgets,
796 			ARRAY_SIZE(aic31xx_dapm_widgets));
797 		if (ret)
798 			return ret;
799 
800 		ret = snd_soc_dapm_add_routes(dapm, aic31xx_audio_map,
801 					      ARRAY_SIZE(aic31xx_audio_map));
802 		if (ret)
803 			return ret;
804 	}
805 
806 	if (aic31xx->codec_type & AIC31XX_STEREO_CLASS_D_BIT) {
807 		ret = snd_soc_dapm_new_controls(
808 			dapm, aic311x_dapm_widgets,
809 			ARRAY_SIZE(aic311x_dapm_widgets));
810 		if (ret)
811 			return ret;
812 
813 		ret = snd_soc_dapm_add_routes(dapm, aic311x_audio_map,
814 					      ARRAY_SIZE(aic311x_audio_map));
815 		if (ret)
816 			return ret;
817 	} else {
818 		ret = snd_soc_dapm_new_controls(
819 			dapm, aic310x_dapm_widgets,
820 			ARRAY_SIZE(aic310x_dapm_widgets));
821 		if (ret)
822 			return ret;
823 
824 		ret = snd_soc_dapm_add_routes(dapm, aic310x_audio_map,
825 					      ARRAY_SIZE(aic310x_audio_map));
826 		if (ret)
827 			return ret;
828 	}
829 
830 	return 0;
831 }
832 
833 static int aic31xx_setup_pll(struct snd_soc_component *component,
834 			     struct snd_pcm_hw_params *params)
835 {
836 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
837 	int bclk_score = snd_soc_params_to_frame_size(params);
838 	int mclk_p;
839 	int bclk_n = 0;
840 	int match = -1;
841 	int i;
842 
843 	if (!aic31xx->sysclk || !aic31xx->p_div) {
844 		dev_err(component->dev, "Master clock not supplied\n");
845 		return -EINVAL;
846 	}
847 	mclk_p = aic31xx->sysclk / aic31xx->p_div;
848 
849 	/* Use PLL as CODEC_CLKIN and DAC_CLK as BDIV_CLKIN */
850 	snd_soc_component_update_bits(component, AIC31XX_CLKMUX,
851 			    AIC31XX_CODEC_CLKIN_MASK, AIC31XX_CODEC_CLKIN_PLL);
852 	snd_soc_component_update_bits(component, AIC31XX_IFACE2,
853 			    AIC31XX_BDIVCLK_MASK, AIC31XX_DAC2BCLK);
854 
855 	for (i = 0; i < ARRAY_SIZE(aic31xx_divs); i++) {
856 		if (aic31xx_divs[i].rate == params_rate(params) &&
857 		    aic31xx_divs[i].mclk_p == mclk_p) {
858 			int s =	(aic31xx_divs[i].dosr * aic31xx_divs[i].mdac) %
859 				snd_soc_params_to_frame_size(params);
860 			int bn = (aic31xx_divs[i].dosr * aic31xx_divs[i].mdac) /
861 				snd_soc_params_to_frame_size(params);
862 			if (s < bclk_score && bn > 0) {
863 				match = i;
864 				bclk_n = bn;
865 				bclk_score = s;
866 			}
867 		}
868 	}
869 
870 	if (match == -1) {
871 		dev_err(component->dev,
872 			"%s: Sample rate (%u) and format not supported\n",
873 			__func__, params_rate(params));
874 		/* See bellow for details how fix this. */
875 		return -EINVAL;
876 	}
877 	if (bclk_score != 0) {
878 		dev_warn(component->dev, "Can not produce exact bitclock");
879 		/* This is fine if using dsp format, but if using i2s
880 		   there may be trouble. To fix the issue edit the
881 		   aic31xx_divs table for your mclk and sample
882 		   rate. Details can be found from:
883 		   https://www.ti.com/lit/ds/symlink/tlv320aic3100.pdf
884 		   Section: 5.6 CLOCK Generation and PLL
885 		*/
886 	}
887 	i = match;
888 
889 	/* PLL configuration */
890 	snd_soc_component_update_bits(component, AIC31XX_PLLPR, AIC31XX_PLL_MASK,
891 			    (aic31xx->p_div << 4) | 0x01);
892 	snd_soc_component_write(component, AIC31XX_PLLJ, aic31xx_divs[i].pll_j);
893 
894 	snd_soc_component_write(component, AIC31XX_PLLDMSB,
895 		      aic31xx_divs[i].pll_d >> 8);
896 	snd_soc_component_write(component, AIC31XX_PLLDLSB,
897 		      aic31xx_divs[i].pll_d & 0xff);
898 
899 	/* DAC dividers configuration */
900 	snd_soc_component_update_bits(component, AIC31XX_NDAC, AIC31XX_PLL_MASK,
901 			    aic31xx_divs[i].ndac);
902 	snd_soc_component_update_bits(component, AIC31XX_MDAC, AIC31XX_PLL_MASK,
903 			    aic31xx_divs[i].mdac);
904 
905 	snd_soc_component_write(component, AIC31XX_DOSRMSB, aic31xx_divs[i].dosr >> 8);
906 	snd_soc_component_write(component, AIC31XX_DOSRLSB, aic31xx_divs[i].dosr & 0xff);
907 
908 	/* ADC dividers configuration. Write reset value 1 if not used. */
909 	snd_soc_component_update_bits(component, AIC31XX_NADC, AIC31XX_PLL_MASK,
910 			    aic31xx_divs[i].nadc ? aic31xx_divs[i].nadc : 1);
911 	snd_soc_component_update_bits(component, AIC31XX_MADC, AIC31XX_PLL_MASK,
912 			    aic31xx_divs[i].madc ? aic31xx_divs[i].madc : 1);
913 
914 	snd_soc_component_write(component, AIC31XX_AOSR, aic31xx_divs[i].aosr);
915 
916 	/* Bit clock divider configuration. */
917 	snd_soc_component_update_bits(component, AIC31XX_BCLKN,
918 			    AIC31XX_PLL_MASK, bclk_n);
919 
920 	aic31xx->rate_div_line = i;
921 
922 	dev_dbg(component->dev,
923 		"pll %d.%04d/%d dosr %d n %d m %d aosr %d n %d m %d bclk_n %d\n",
924 		aic31xx_divs[i].pll_j,
925 		aic31xx_divs[i].pll_d,
926 		aic31xx->p_div,
927 		aic31xx_divs[i].dosr,
928 		aic31xx_divs[i].ndac,
929 		aic31xx_divs[i].mdac,
930 		aic31xx_divs[i].aosr,
931 		aic31xx_divs[i].nadc,
932 		aic31xx_divs[i].madc,
933 		bclk_n
934 	);
935 
936 	return 0;
937 }
938 
939 static int aic31xx_hw_params(struct snd_pcm_substream *substream,
940 			     struct snd_pcm_hw_params *params,
941 			     struct snd_soc_dai *dai)
942 {
943 	struct snd_soc_component *component = dai->component;
944 	u8 data = 0;
945 
946 	dev_dbg(component->dev, "## %s: width %d rate %d\n",
947 		__func__, params_width(params),
948 		params_rate(params));
949 
950 	switch (params_width(params)) {
951 	case 16:
952 		break;
953 	case 20:
954 		data = (AIC31XX_WORD_LEN_20BITS <<
955 			AIC31XX_IFACE1_DATALEN_SHIFT);
956 		break;
957 	case 24:
958 		data = (AIC31XX_WORD_LEN_24BITS <<
959 			AIC31XX_IFACE1_DATALEN_SHIFT);
960 		break;
961 	case 32:
962 		data = (AIC31XX_WORD_LEN_32BITS <<
963 			AIC31XX_IFACE1_DATALEN_SHIFT);
964 		break;
965 	default:
966 		dev_err(component->dev, "%s: Unsupported width %d\n",
967 			__func__, params_width(params));
968 		return -EINVAL;
969 	}
970 
971 	snd_soc_component_update_bits(component, AIC31XX_IFACE1,
972 			    AIC31XX_IFACE1_DATALEN_MASK,
973 			    data);
974 
975 	return aic31xx_setup_pll(component, params);
976 }
977 
978 static int aic31xx_dac_mute(struct snd_soc_dai *codec_dai, int mute,
979 			    int direction)
980 {
981 	struct snd_soc_component *component = codec_dai->component;
982 
983 	if (mute) {
984 		snd_soc_component_update_bits(component, AIC31XX_DACMUTE,
985 				    AIC31XX_DACMUTE_MASK,
986 				    AIC31XX_DACMUTE_MASK);
987 	} else {
988 		snd_soc_component_update_bits(component, AIC31XX_DACMUTE,
989 				    AIC31XX_DACMUTE_MASK, 0x0);
990 	}
991 
992 	return 0;
993 }
994 
995 static int aic31xx_clock_master_routes(struct snd_soc_component *component,
996 				       unsigned int fmt)
997 {
998 	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
999 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
1000 	int ret;
1001 
1002 	fmt &= SND_SOC_DAIFMT_MASTER_MASK;
1003 	if (fmt == SND_SOC_DAIFMT_CBS_CFS &&
1004 	    aic31xx->master_dapm_route_applied) {
1005 		/*
1006 		 * Remove the DAPM route(s) for codec clock master modes,
1007 		 * if applied
1008 		 */
1009 		ret = snd_soc_dapm_del_routes(dapm, common31xx_cm_audio_map,
1010 					ARRAY_SIZE(common31xx_cm_audio_map));
1011 		if (!ret && !(aic31xx->codec_type & DAC31XX_BIT))
1012 			ret = snd_soc_dapm_del_routes(dapm,
1013 					aic31xx_cm_audio_map,
1014 					ARRAY_SIZE(aic31xx_cm_audio_map));
1015 
1016 		if (ret)
1017 			return ret;
1018 
1019 		aic31xx->master_dapm_route_applied = false;
1020 	} else if (fmt != SND_SOC_DAIFMT_CBS_CFS &&
1021 		   !aic31xx->master_dapm_route_applied) {
1022 		/*
1023 		 * Add the needed DAPM route(s) for codec clock master modes,
1024 		 * if it is not done already
1025 		 */
1026 		ret = snd_soc_dapm_add_routes(dapm, common31xx_cm_audio_map,
1027 					ARRAY_SIZE(common31xx_cm_audio_map));
1028 		if (!ret && !(aic31xx->codec_type & DAC31XX_BIT))
1029 			ret = snd_soc_dapm_add_routes(dapm,
1030 					aic31xx_cm_audio_map,
1031 					ARRAY_SIZE(aic31xx_cm_audio_map));
1032 
1033 		if (ret)
1034 			return ret;
1035 
1036 		aic31xx->master_dapm_route_applied = true;
1037 	}
1038 
1039 	return 0;
1040 }
1041 
1042 static int aic31xx_set_dai_fmt(struct snd_soc_dai *codec_dai,
1043 			       unsigned int fmt)
1044 {
1045 	struct snd_soc_component *component = codec_dai->component;
1046 	u8 iface_reg1 = 0;
1047 	u8 iface_reg2 = 0;
1048 	u8 dsp_a_val = 0;
1049 
1050 	dev_dbg(component->dev, "## %s: fmt = 0x%x\n", __func__, fmt);
1051 
1052 	/* set master/slave audio interface */
1053 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1054 	case SND_SOC_DAIFMT_CBM_CFM:
1055 		iface_reg1 |= AIC31XX_BCLK_MASTER | AIC31XX_WCLK_MASTER;
1056 		break;
1057 	case SND_SOC_DAIFMT_CBS_CFM:
1058 		iface_reg1 |= AIC31XX_WCLK_MASTER;
1059 		break;
1060 	case SND_SOC_DAIFMT_CBM_CFS:
1061 		iface_reg1 |= AIC31XX_BCLK_MASTER;
1062 		break;
1063 	case SND_SOC_DAIFMT_CBS_CFS:
1064 		break;
1065 	default:
1066 		dev_err(component->dev, "Invalid DAI master/slave interface\n");
1067 		return -EINVAL;
1068 	}
1069 
1070 	/* signal polarity */
1071 	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1072 	case SND_SOC_DAIFMT_NB_NF:
1073 		break;
1074 	case SND_SOC_DAIFMT_IB_NF:
1075 		iface_reg2 |= AIC31XX_BCLKINV_MASK;
1076 		break;
1077 	default:
1078 		dev_err(component->dev, "Invalid DAI clock signal polarity\n");
1079 		return -EINVAL;
1080 	}
1081 
1082 	/* interface format */
1083 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1084 	case SND_SOC_DAIFMT_I2S:
1085 		break;
1086 	case SND_SOC_DAIFMT_DSP_A:
1087 		dsp_a_val = 0x1;
1088 		fallthrough;
1089 	case SND_SOC_DAIFMT_DSP_B:
1090 		/*
1091 		 * NOTE: This CODEC samples on the falling edge of BCLK in
1092 		 * DSP mode, this is inverted compared to what most DAIs
1093 		 * expect, so we invert for this mode
1094 		 */
1095 		iface_reg2 ^= AIC31XX_BCLKINV_MASK;
1096 		iface_reg1 |= (AIC31XX_DSP_MODE <<
1097 			       AIC31XX_IFACE1_DATATYPE_SHIFT);
1098 		break;
1099 	case SND_SOC_DAIFMT_RIGHT_J:
1100 		iface_reg1 |= (AIC31XX_RIGHT_JUSTIFIED_MODE <<
1101 			       AIC31XX_IFACE1_DATATYPE_SHIFT);
1102 		break;
1103 	case SND_SOC_DAIFMT_LEFT_J:
1104 		iface_reg1 |= (AIC31XX_LEFT_JUSTIFIED_MODE <<
1105 			       AIC31XX_IFACE1_DATATYPE_SHIFT);
1106 		break;
1107 	default:
1108 		dev_err(component->dev, "Invalid DAI interface format\n");
1109 		return -EINVAL;
1110 	}
1111 
1112 	snd_soc_component_update_bits(component, AIC31XX_IFACE1,
1113 			    AIC31XX_IFACE1_DATATYPE_MASK |
1114 			    AIC31XX_IFACE1_MASTER_MASK,
1115 			    iface_reg1);
1116 	snd_soc_component_update_bits(component, AIC31XX_DATA_OFFSET,
1117 			    AIC31XX_DATA_OFFSET_MASK,
1118 			    dsp_a_val);
1119 	snd_soc_component_update_bits(component, AIC31XX_IFACE2,
1120 			    AIC31XX_BCLKINV_MASK,
1121 			    iface_reg2);
1122 
1123 	return aic31xx_clock_master_routes(component, fmt);
1124 }
1125 
1126 static int aic31xx_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1127 				  int clk_id, unsigned int freq, int dir)
1128 {
1129 	struct snd_soc_component *component = codec_dai->component;
1130 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
1131 	int i;
1132 
1133 	dev_dbg(component->dev, "## %s: clk_id = %d, freq = %d, dir = %d\n",
1134 		__func__, clk_id, freq, dir);
1135 
1136 	for (i = 1; i < 8; i++)
1137 		if (freq / i <= 20000000)
1138 			break;
1139 	if (freq/i > 20000000) {
1140 		dev_err(aic31xx->dev, "%s: Too high mclk frequency %u\n",
1141 			__func__, freq);
1142 		return -EINVAL;
1143 	}
1144 	aic31xx->p_div = i;
1145 
1146 	for (i = 0; i < ARRAY_SIZE(aic31xx_divs); i++)
1147 		if (aic31xx_divs[i].mclk_p == freq / aic31xx->p_div)
1148 			break;
1149 	if (i == ARRAY_SIZE(aic31xx_divs)) {
1150 		dev_err(aic31xx->dev, "%s: Unsupported frequency %d\n",
1151 			__func__, freq);
1152 		return -EINVAL;
1153 	}
1154 
1155 	/* set clock on MCLK, BCLK, or GPIO1 as PLL input */
1156 	snd_soc_component_update_bits(component, AIC31XX_CLKMUX, AIC31XX_PLL_CLKIN_MASK,
1157 			    clk_id << AIC31XX_PLL_CLKIN_SHIFT);
1158 
1159 	aic31xx->sysclk = freq;
1160 
1161 	return 0;
1162 }
1163 
1164 static int aic31xx_regulator_event(struct notifier_block *nb,
1165 				   unsigned long event, void *data)
1166 {
1167 	struct aic31xx_disable_nb *disable_nb =
1168 		container_of(nb, struct aic31xx_disable_nb, nb);
1169 	struct aic31xx_priv *aic31xx = disable_nb->aic31xx;
1170 
1171 	if (event & REGULATOR_EVENT_DISABLE) {
1172 		/*
1173 		 * Put codec to reset and as at least one of the
1174 		 * supplies was disabled.
1175 		 */
1176 		if (aic31xx->gpio_reset)
1177 			gpiod_set_value(aic31xx->gpio_reset, 1);
1178 
1179 		regcache_mark_dirty(aic31xx->regmap);
1180 		dev_dbg(aic31xx->dev, "## %s: DISABLE received\n", __func__);
1181 	}
1182 
1183 	return 0;
1184 }
1185 
1186 static int aic31xx_reset(struct aic31xx_priv *aic31xx)
1187 {
1188 	int ret = 0;
1189 
1190 	if (aic31xx->gpio_reset) {
1191 		gpiod_set_value(aic31xx->gpio_reset, 1);
1192 		ndelay(10); /* At least 10ns */
1193 		gpiod_set_value(aic31xx->gpio_reset, 0);
1194 	} else {
1195 		ret = regmap_write(aic31xx->regmap, AIC31XX_RESET, 1);
1196 	}
1197 	mdelay(1); /* At least 1ms */
1198 
1199 	return ret;
1200 }
1201 
1202 static void aic31xx_clk_on(struct snd_soc_component *component)
1203 {
1204 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
1205 	u8 mask = AIC31XX_PM_MASK;
1206 	u8 on = AIC31XX_PM_MASK;
1207 
1208 	dev_dbg(component->dev, "codec clock -> on (rate %d)\n",
1209 		aic31xx_divs[aic31xx->rate_div_line].rate);
1210 	snd_soc_component_update_bits(component, AIC31XX_PLLPR, mask, on);
1211 	mdelay(10);
1212 	snd_soc_component_update_bits(component, AIC31XX_NDAC, mask, on);
1213 	snd_soc_component_update_bits(component, AIC31XX_MDAC, mask, on);
1214 	if (aic31xx_divs[aic31xx->rate_div_line].nadc)
1215 		snd_soc_component_update_bits(component, AIC31XX_NADC, mask, on);
1216 	if (aic31xx_divs[aic31xx->rate_div_line].madc)
1217 		snd_soc_component_update_bits(component, AIC31XX_MADC, mask, on);
1218 	snd_soc_component_update_bits(component, AIC31XX_BCLKN, mask, on);
1219 }
1220 
1221 static void aic31xx_clk_off(struct snd_soc_component *component)
1222 {
1223 	u8 mask = AIC31XX_PM_MASK;
1224 	u8 off = 0;
1225 
1226 	dev_dbg(component->dev, "codec clock -> off\n");
1227 	snd_soc_component_update_bits(component, AIC31XX_BCLKN, mask, off);
1228 	snd_soc_component_update_bits(component, AIC31XX_MADC, mask, off);
1229 	snd_soc_component_update_bits(component, AIC31XX_NADC, mask, off);
1230 	snd_soc_component_update_bits(component, AIC31XX_MDAC, mask, off);
1231 	snd_soc_component_update_bits(component, AIC31XX_NDAC, mask, off);
1232 	snd_soc_component_update_bits(component, AIC31XX_PLLPR, mask, off);
1233 }
1234 
1235 static int aic31xx_power_on(struct snd_soc_component *component)
1236 {
1237 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
1238 	int ret;
1239 
1240 	ret = regulator_bulk_enable(ARRAY_SIZE(aic31xx->supplies),
1241 				    aic31xx->supplies);
1242 	if (ret)
1243 		return ret;
1244 
1245 	regcache_cache_only(aic31xx->regmap, false);
1246 
1247 	/* Reset device registers for a consistent power-on like state */
1248 	ret = aic31xx_reset(aic31xx);
1249 	if (ret < 0)
1250 		dev_err(aic31xx->dev, "Could not reset device: %d\n", ret);
1251 
1252 	ret = regcache_sync(aic31xx->regmap);
1253 	if (ret) {
1254 		dev_err(component->dev,
1255 			"Failed to restore cache: %d\n", ret);
1256 		regcache_cache_only(aic31xx->regmap, true);
1257 		regulator_bulk_disable(ARRAY_SIZE(aic31xx->supplies),
1258 				       aic31xx->supplies);
1259 		return ret;
1260 	}
1261 
1262 	/*
1263 	 * The jack detection configuration is in the same register
1264 	 * that is used to report jack detect status so is volatile
1265 	 * and not covered by the cache sync, restore it separately.
1266 	 */
1267 	aic31xx_set_jack(component, aic31xx->jack, NULL);
1268 
1269 	return 0;
1270 }
1271 
1272 static void aic31xx_power_off(struct snd_soc_component *component)
1273 {
1274 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
1275 
1276 	regcache_cache_only(aic31xx->regmap, true);
1277 	regulator_bulk_disable(ARRAY_SIZE(aic31xx->supplies),
1278 			       aic31xx->supplies);
1279 }
1280 
1281 static int aic31xx_set_bias_level(struct snd_soc_component *component,
1282 				  enum snd_soc_bias_level level)
1283 {
1284 	dev_dbg(component->dev, "## %s: %d -> %d\n", __func__,
1285 		snd_soc_component_get_bias_level(component), level);
1286 
1287 	switch (level) {
1288 	case SND_SOC_BIAS_ON:
1289 		break;
1290 	case SND_SOC_BIAS_PREPARE:
1291 		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_STANDBY)
1292 			aic31xx_clk_on(component);
1293 		break;
1294 	case SND_SOC_BIAS_STANDBY:
1295 		switch (snd_soc_component_get_bias_level(component)) {
1296 		case SND_SOC_BIAS_OFF:
1297 			aic31xx_power_on(component);
1298 			break;
1299 		case SND_SOC_BIAS_PREPARE:
1300 			aic31xx_clk_off(component);
1301 			break;
1302 		default:
1303 			BUG();
1304 		}
1305 		break;
1306 	case SND_SOC_BIAS_OFF:
1307 		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_STANDBY)
1308 			aic31xx_power_off(component);
1309 		break;
1310 	}
1311 
1312 	return 0;
1313 }
1314 
1315 static int aic31xx_set_jack(struct snd_soc_component *component,
1316 			    struct snd_soc_jack *jack, void *data)
1317 {
1318 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
1319 
1320 	aic31xx->jack = jack;
1321 
1322 	/* Enable/Disable jack detection */
1323 	regmap_write(aic31xx->regmap, AIC31XX_HSDETECT,
1324 		     jack ? AIC31XX_HSD_ENABLE : 0);
1325 
1326 	return 0;
1327 }
1328 
1329 static int aic31xx_codec_probe(struct snd_soc_component *component)
1330 {
1331 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
1332 	int i, ret;
1333 
1334 	dev_dbg(aic31xx->dev, "## %s\n", __func__);
1335 
1336 	aic31xx->component = component;
1337 
1338 	for (i = 0; i < ARRAY_SIZE(aic31xx->supplies); i++) {
1339 		aic31xx->disable_nb[i].nb.notifier_call =
1340 			aic31xx_regulator_event;
1341 		aic31xx->disable_nb[i].aic31xx = aic31xx;
1342 		ret = devm_regulator_register_notifier(
1343 						aic31xx->supplies[i].consumer,
1344 						&aic31xx->disable_nb[i].nb);
1345 		if (ret) {
1346 			dev_err(component->dev,
1347 				"Failed to request regulator notifier: %d\n",
1348 				ret);
1349 			return ret;
1350 		}
1351 	}
1352 
1353 	regcache_cache_only(aic31xx->regmap, true);
1354 	regcache_mark_dirty(aic31xx->regmap);
1355 
1356 	ret = aic31xx_add_controls(component);
1357 	if (ret)
1358 		return ret;
1359 
1360 	ret = aic31xx_add_widgets(component);
1361 	if (ret)
1362 		return ret;
1363 
1364 	/* set output common-mode voltage */
1365 	snd_soc_component_update_bits(component, AIC31XX_HPDRIVER,
1366 				      AIC31XX_HPD_OCMV_MASK,
1367 				      aic31xx->ocmv << AIC31XX_HPD_OCMV_SHIFT);
1368 
1369 	return 0;
1370 }
1371 
1372 static const struct snd_soc_component_driver soc_codec_driver_aic31xx = {
1373 	.probe			= aic31xx_codec_probe,
1374 	.set_jack		= aic31xx_set_jack,
1375 	.set_bias_level		= aic31xx_set_bias_level,
1376 	.controls		= common31xx_snd_controls,
1377 	.num_controls		= ARRAY_SIZE(common31xx_snd_controls),
1378 	.dapm_widgets		= common31xx_dapm_widgets,
1379 	.num_dapm_widgets	= ARRAY_SIZE(common31xx_dapm_widgets),
1380 	.dapm_routes		= common31xx_audio_map,
1381 	.num_dapm_routes	= ARRAY_SIZE(common31xx_audio_map),
1382 	.suspend_bias_off	= 1,
1383 	.idle_bias_on		= 1,
1384 	.use_pmdown_time	= 1,
1385 	.endianness		= 1,
1386 	.non_legacy_dai_naming	= 1,
1387 };
1388 
1389 static const struct snd_soc_dai_ops aic31xx_dai_ops = {
1390 	.hw_params	= aic31xx_hw_params,
1391 	.set_sysclk	= aic31xx_set_dai_sysclk,
1392 	.set_fmt	= aic31xx_set_dai_fmt,
1393 	.mute_stream	= aic31xx_dac_mute,
1394 	.no_capture_mute = 1,
1395 };
1396 
1397 static struct snd_soc_dai_driver dac31xx_dai_driver[] = {
1398 	{
1399 		.name = "tlv320dac31xx-hifi",
1400 		.playback = {
1401 			.stream_name	 = "Playback",
1402 			.channels_min	 = 2,
1403 			.channels_max	 = 2,
1404 			.rates		 = AIC31XX_RATES,
1405 			.formats	 = AIC31XX_FORMATS,
1406 		},
1407 		.ops = &aic31xx_dai_ops,
1408 		.symmetric_rate = 1,
1409 	}
1410 };
1411 
1412 static struct snd_soc_dai_driver aic31xx_dai_driver[] = {
1413 	{
1414 		.name = "tlv320aic31xx-hifi",
1415 		.playback = {
1416 			.stream_name	 = "Playback",
1417 			.channels_min	 = 2,
1418 			.channels_max	 = 2,
1419 			.rates		 = AIC31XX_RATES,
1420 			.formats	 = AIC31XX_FORMATS,
1421 		},
1422 		.capture = {
1423 			.stream_name	 = "Capture",
1424 			.channels_min	 = 2,
1425 			.channels_max	 = 2,
1426 			.rates		 = AIC31XX_RATES,
1427 			.formats	 = AIC31XX_FORMATS,
1428 		},
1429 		.ops = &aic31xx_dai_ops,
1430 		.symmetric_rate = 1,
1431 	}
1432 };
1433 
1434 #if defined(CONFIG_OF)
1435 static const struct of_device_id tlv320aic31xx_of_match[] = {
1436 	{ .compatible = "ti,tlv320aic310x" },
1437 	{ .compatible = "ti,tlv320aic311x" },
1438 	{ .compatible = "ti,tlv320aic3100" },
1439 	{ .compatible = "ti,tlv320aic3110" },
1440 	{ .compatible = "ti,tlv320aic3120" },
1441 	{ .compatible = "ti,tlv320aic3111" },
1442 	{ .compatible = "ti,tlv320dac3100" },
1443 	{ .compatible = "ti,tlv320dac3101" },
1444 	{},
1445 };
1446 MODULE_DEVICE_TABLE(of, tlv320aic31xx_of_match);
1447 #endif /* CONFIG_OF */
1448 
1449 #ifdef CONFIG_ACPI
1450 static const struct acpi_device_id aic31xx_acpi_match[] = {
1451 	{ "10TI3100", 0 },
1452 	{ }
1453 };
1454 MODULE_DEVICE_TABLE(acpi, aic31xx_acpi_match);
1455 #endif
1456 
1457 static irqreturn_t aic31xx_irq(int irq, void *data)
1458 {
1459 	struct aic31xx_priv *aic31xx = data;
1460 	struct device *dev = aic31xx->dev;
1461 	unsigned int value;
1462 	bool handled = false;
1463 	int ret;
1464 
1465 	ret = regmap_read(aic31xx->regmap, AIC31XX_INTRDACFLAG, &value);
1466 	if (ret) {
1467 		dev_err(dev, "Failed to read interrupt mask: %d\n", ret);
1468 		goto exit;
1469 	}
1470 
1471 	if (value)
1472 		handled = true;
1473 	else
1474 		goto read_overflow;
1475 
1476 	if (value & AIC31XX_HPLSCDETECT)
1477 		dev_err(dev, "Short circuit on Left output is detected\n");
1478 	if (value & AIC31XX_HPRSCDETECT)
1479 		dev_err(dev, "Short circuit on Right output is detected\n");
1480 	if (value & (AIC31XX_HSPLUG | AIC31XX_BUTTONPRESS)) {
1481 		unsigned int val;
1482 		int status = 0;
1483 
1484 		ret = regmap_read(aic31xx->regmap, AIC31XX_INTRDACFLAG2,
1485 				  &val);
1486 		if (ret) {
1487 			dev_err(dev, "Failed to read interrupt mask: %d\n",
1488 				ret);
1489 			goto exit;
1490 		}
1491 
1492 		if (val & AIC31XX_BUTTONPRESS)
1493 			status |= SND_JACK_BTN_0;
1494 
1495 		ret = regmap_read(aic31xx->regmap, AIC31XX_HSDETECT, &val);
1496 		if (ret) {
1497 			dev_err(dev, "Failed to read headset type: %d\n", ret);
1498 			goto exit;
1499 		}
1500 
1501 		switch ((val & AIC31XX_HSD_TYPE_MASK) >>
1502 			AIC31XX_HSD_TYPE_SHIFT) {
1503 		case AIC31XX_HSD_HP:
1504 			status |= SND_JACK_HEADPHONE;
1505 			break;
1506 		case AIC31XX_HSD_HS:
1507 			status |= SND_JACK_HEADSET;
1508 			break;
1509 		default:
1510 			break;
1511 		}
1512 
1513 		if (aic31xx->jack)
1514 			snd_soc_jack_report(aic31xx->jack, status,
1515 					    AIC31XX_JACK_MASK);
1516 	}
1517 	if (value & ~(AIC31XX_HPLSCDETECT |
1518 		      AIC31XX_HPRSCDETECT |
1519 		      AIC31XX_HSPLUG |
1520 		      AIC31XX_BUTTONPRESS))
1521 		dev_err(dev, "Unknown DAC interrupt flags: 0x%08x\n", value);
1522 
1523 read_overflow:
1524 	ret = regmap_read(aic31xx->regmap, AIC31XX_OFFLAG, &value);
1525 	if (ret) {
1526 		dev_err(dev, "Failed to read overflow flag: %d\n", ret);
1527 		goto exit;
1528 	}
1529 
1530 	if (value)
1531 		handled = true;
1532 	else
1533 		goto exit;
1534 
1535 	if (value & AIC31XX_DAC_OF_LEFT)
1536 		dev_warn(dev, "Left-channel DAC overflow has occurred\n");
1537 	if (value & AIC31XX_DAC_OF_RIGHT)
1538 		dev_warn(dev, "Right-channel DAC overflow has occurred\n");
1539 	if (value & AIC31XX_DAC_OF_SHIFTER)
1540 		dev_warn(dev, "DAC barrel shifter overflow has occurred\n");
1541 	if (value & AIC31XX_ADC_OF)
1542 		dev_warn(dev, "ADC overflow has occurred\n");
1543 	if (value & AIC31XX_ADC_OF_SHIFTER)
1544 		dev_warn(dev, "ADC barrel shifter overflow has occurred\n");
1545 	if (value & ~(AIC31XX_DAC_OF_LEFT |
1546 		      AIC31XX_DAC_OF_RIGHT |
1547 		      AIC31XX_DAC_OF_SHIFTER |
1548 		      AIC31XX_ADC_OF |
1549 		      AIC31XX_ADC_OF_SHIFTER))
1550 		dev_warn(dev, "Unknown overflow interrupt flags: 0x%08x\n", value);
1551 
1552 exit:
1553 	if (handled)
1554 		return IRQ_HANDLED;
1555 	else
1556 		return IRQ_NONE;
1557 }
1558 
1559 static void aic31xx_configure_ocmv(struct aic31xx_priv *priv)
1560 {
1561 	struct device *dev = priv->dev;
1562 	int dvdd, avdd;
1563 	u32 value;
1564 
1565 	if (dev->fwnode &&
1566 	    fwnode_property_read_u32(dev->fwnode, "ai31xx-ocmv", &value)) {
1567 		/* OCMV setting is forced by DT */
1568 		if (value <= 3) {
1569 			priv->ocmv = value;
1570 			return;
1571 		}
1572 	}
1573 
1574 	avdd = regulator_get_voltage(priv->supplies[3].consumer);
1575 	dvdd = regulator_get_voltage(priv->supplies[5].consumer);
1576 
1577 	if (avdd > 3600000 || dvdd > 1950000) {
1578 		dev_warn(dev,
1579 			 "Too high supply voltage(s) AVDD: %d, DVDD: %d\n",
1580 			 avdd, dvdd);
1581 	} else if (avdd == 3600000 && dvdd == 1950000) {
1582 		priv->ocmv = AIC31XX_HPD_OCMV_1_8V;
1583 	} else if (avdd >= 3300000 && dvdd >= 1800000) {
1584 		priv->ocmv = AIC31XX_HPD_OCMV_1_65V;
1585 	} else if (avdd >= 3000000 && dvdd >= 1650000) {
1586 		priv->ocmv = AIC31XX_HPD_OCMV_1_5V;
1587 	} else if (avdd >= 2700000 && dvdd >= 1525000) {
1588 		priv->ocmv = AIC31XX_HPD_OCMV_1_35V;
1589 	} else {
1590 		dev_warn(dev,
1591 			 "Invalid supply voltage(s) AVDD: %d, DVDD: %d\n",
1592 			 avdd, dvdd);
1593 	}
1594 }
1595 
1596 static int aic31xx_i2c_probe(struct i2c_client *i2c,
1597 			     const struct i2c_device_id *id)
1598 {
1599 	struct aic31xx_priv *aic31xx;
1600 	unsigned int micbias_value = MICBIAS_2_0V;
1601 	int i, ret;
1602 
1603 	dev_dbg(&i2c->dev, "## %s: %s codec_type = %d\n", __func__,
1604 		id->name, (int)id->driver_data);
1605 
1606 	aic31xx = devm_kzalloc(&i2c->dev, sizeof(*aic31xx), GFP_KERNEL);
1607 	if (!aic31xx)
1608 		return -ENOMEM;
1609 
1610 	aic31xx->regmap = devm_regmap_init_i2c(i2c, &aic31xx_i2c_regmap);
1611 	if (IS_ERR(aic31xx->regmap)) {
1612 		ret = PTR_ERR(aic31xx->regmap);
1613 		dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1614 			ret);
1615 		return ret;
1616 	}
1617 	regcache_cache_only(aic31xx->regmap, true);
1618 
1619 	aic31xx->dev = &i2c->dev;
1620 	aic31xx->irq = i2c->irq;
1621 
1622 	aic31xx->codec_type = id->driver_data;
1623 
1624 	dev_set_drvdata(aic31xx->dev, aic31xx);
1625 
1626 	fwnode_property_read_u32(aic31xx->dev->fwnode, "ai31xx-micbias-vg",
1627 				 &micbias_value);
1628 	switch (micbias_value) {
1629 	case MICBIAS_2_0V:
1630 	case MICBIAS_2_5V:
1631 	case MICBIAS_AVDDV:
1632 		aic31xx->micbias_vg = micbias_value;
1633 		break;
1634 	default:
1635 		dev_err(aic31xx->dev, "Bad ai31xx-micbias-vg value %d\n",
1636 			micbias_value);
1637 		aic31xx->micbias_vg = MICBIAS_2_0V;
1638 	}
1639 
1640 	if (dev_get_platdata(aic31xx->dev)) {
1641 		memcpy(&aic31xx->pdata, dev_get_platdata(aic31xx->dev), sizeof(aic31xx->pdata));
1642 		aic31xx->codec_type = aic31xx->pdata.codec_type;
1643 		aic31xx->micbias_vg = aic31xx->pdata.micbias_vg;
1644 	}
1645 
1646 	aic31xx->gpio_reset = devm_gpiod_get_optional(aic31xx->dev, "reset",
1647 						      GPIOD_OUT_LOW);
1648 	if (IS_ERR(aic31xx->gpio_reset)) {
1649 		if (PTR_ERR(aic31xx->gpio_reset) != -EPROBE_DEFER)
1650 			dev_err(aic31xx->dev, "not able to acquire gpio\n");
1651 		return PTR_ERR(aic31xx->gpio_reset);
1652 	}
1653 
1654 	for (i = 0; i < ARRAY_SIZE(aic31xx->supplies); i++)
1655 		aic31xx->supplies[i].supply = aic31xx_supply_names[i];
1656 
1657 	ret = devm_regulator_bulk_get(aic31xx->dev,
1658 				      ARRAY_SIZE(aic31xx->supplies),
1659 				      aic31xx->supplies);
1660 	if (ret) {
1661 		if (ret != -EPROBE_DEFER)
1662 			dev_err(aic31xx->dev,
1663 				"Failed to request supplies: %d\n", ret);
1664 		return ret;
1665 	}
1666 
1667 	aic31xx_configure_ocmv(aic31xx);
1668 
1669 	if (aic31xx->irq > 0) {
1670 		regmap_update_bits(aic31xx->regmap, AIC31XX_GPIO1,
1671 				   AIC31XX_GPIO1_FUNC_MASK,
1672 				   AIC31XX_GPIO1_INT1 <<
1673 				   AIC31XX_GPIO1_FUNC_SHIFT);
1674 
1675 		regmap_write(aic31xx->regmap, AIC31XX_INT1CTRL,
1676 			     AIC31XX_HSPLUGDET |
1677 			     AIC31XX_BUTTONPRESSDET |
1678 			     AIC31XX_SC |
1679 			     AIC31XX_ENGINE);
1680 
1681 		ret = devm_request_threaded_irq(aic31xx->dev, aic31xx->irq,
1682 						NULL, aic31xx_irq,
1683 						IRQF_ONESHOT, "aic31xx-irq",
1684 						aic31xx);
1685 		if (ret) {
1686 			dev_err(aic31xx->dev, "Unable to request IRQ\n");
1687 			return ret;
1688 		}
1689 	}
1690 
1691 	if (aic31xx->codec_type & DAC31XX_BIT)
1692 		return devm_snd_soc_register_component(&i2c->dev,
1693 				&soc_codec_driver_aic31xx,
1694 				dac31xx_dai_driver,
1695 				ARRAY_SIZE(dac31xx_dai_driver));
1696 	else
1697 		return devm_snd_soc_register_component(&i2c->dev,
1698 				&soc_codec_driver_aic31xx,
1699 				aic31xx_dai_driver,
1700 				ARRAY_SIZE(aic31xx_dai_driver));
1701 }
1702 
1703 static const struct i2c_device_id aic31xx_i2c_id[] = {
1704 	{ "tlv320aic310x", AIC3100 },
1705 	{ "tlv320aic311x", AIC3110 },
1706 	{ "tlv320aic3100", AIC3100 },
1707 	{ "tlv320aic3110", AIC3110 },
1708 	{ "tlv320aic3120", AIC3120 },
1709 	{ "tlv320aic3111", AIC3111 },
1710 	{ "tlv320dac3100", DAC3100 },
1711 	{ "tlv320dac3101", DAC3101 },
1712 	{ }
1713 };
1714 MODULE_DEVICE_TABLE(i2c, aic31xx_i2c_id);
1715 
1716 static struct i2c_driver aic31xx_i2c_driver = {
1717 	.driver = {
1718 		.name	= "tlv320aic31xx-codec",
1719 		.of_match_table = of_match_ptr(tlv320aic31xx_of_match),
1720 		.acpi_match_table = ACPI_PTR(aic31xx_acpi_match),
1721 	},
1722 	.probe		= aic31xx_i2c_probe,
1723 	.id_table	= aic31xx_i2c_id,
1724 };
1725 module_i2c_driver(aic31xx_i2c_driver);
1726 
1727 MODULE_AUTHOR("Jyri Sarha <jsarha@ti.com>");
1728 MODULE_DESCRIPTION("ASoC TLV320AIC31xx CODEC Driver");
1729 MODULE_LICENSE("GPL v2");
1730