xref: /openbmc/linux/sound/soc/codecs/tlv320aic31xx.c (revision a9ca9f9c)
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/clk.h>
19 #include <linux/delay.h>
20 #include <linux/pm.h>
21 #include <linux/i2c.h>
22 #include <linux/gpio/consumer.h>
23 #include <linux/regulator/consumer.h>
24 #include <linux/acpi.h>
25 #include <linux/of.h>
26 #include <linux/of_gpio.h>
27 #include <linux/slab.h>
28 #include <sound/core.h>
29 #include <sound/jack.h>
30 #include <sound/pcm.h>
31 #include <sound/pcm_params.h>
32 #include <sound/soc.h>
33 #include <sound/initval.h>
34 #include <sound/tlv.h>
35 #include <dt-bindings/sound/tlv320aic31xx.h>
36 
37 #include "tlv320aic31xx.h"
38 
39 static int aic31xx_set_jack(struct snd_soc_component *component,
40                             struct snd_soc_jack *jack, void *data);
41 
42 static const struct reg_default aic31xx_reg_defaults[] = {
43 	{ AIC31XX_CLKMUX, 0x00 },
44 	{ AIC31XX_PLLPR, 0x11 },
45 	{ AIC31XX_PLLJ, 0x04 },
46 	{ AIC31XX_PLLDMSB, 0x00 },
47 	{ AIC31XX_PLLDLSB, 0x00 },
48 	{ AIC31XX_NDAC, 0x01 },
49 	{ AIC31XX_MDAC, 0x01 },
50 	{ AIC31XX_DOSRMSB, 0x00 },
51 	{ AIC31XX_DOSRLSB, 0x80 },
52 	{ AIC31XX_NADC, 0x01 },
53 	{ AIC31XX_MADC, 0x01 },
54 	{ AIC31XX_AOSR, 0x80 },
55 	{ AIC31XX_IFACE1, 0x00 },
56 	{ AIC31XX_DATA_OFFSET, 0x00 },
57 	{ AIC31XX_IFACE2, 0x00 },
58 	{ AIC31XX_BCLKN, 0x01 },
59 	{ AIC31XX_DACSETUP, 0x14 },
60 	{ AIC31XX_DACMUTE, 0x0c },
61 	{ AIC31XX_LDACVOL, 0x00 },
62 	{ AIC31XX_RDACVOL, 0x00 },
63 	{ AIC31XX_ADCSETUP, 0x00 },
64 	{ AIC31XX_ADCFGA, 0x80 },
65 	{ AIC31XX_ADCVOL, 0x00 },
66 	{ AIC31XX_HPDRIVER, 0x04 },
67 	{ AIC31XX_SPKAMP, 0x06 },
68 	{ AIC31XX_DACMIXERROUTE, 0x00 },
69 	{ AIC31XX_LANALOGHPL, 0x7f },
70 	{ AIC31XX_RANALOGHPR, 0x7f },
71 	{ AIC31XX_LANALOGSPL, 0x7f },
72 	{ AIC31XX_RANALOGSPR, 0x7f },
73 	{ AIC31XX_HPLGAIN, 0x02 },
74 	{ AIC31XX_HPRGAIN, 0x02 },
75 	{ AIC31XX_SPLGAIN, 0x00 },
76 	{ AIC31XX_SPRGAIN, 0x00 },
77 	{ AIC31XX_MICBIAS, 0x00 },
78 	{ AIC31XX_MICPGA, 0x80 },
79 	{ AIC31XX_MICPGAPI, 0x00 },
80 	{ AIC31XX_MICPGAMI, 0x00 },
81 };
82 
83 static bool aic31xx_volatile(struct device *dev, unsigned int reg)
84 {
85 	switch (reg) {
86 	case AIC31XX_PAGECTL: /* regmap implementation requires this */
87 	case AIC31XX_RESET: /* always clears after write */
88 	case AIC31XX_OT_FLAG:
89 	case AIC31XX_ADCFLAG:
90 	case AIC31XX_DACFLAG1:
91 	case AIC31XX_DACFLAG2:
92 	case AIC31XX_OFFLAG: /* Sticky interrupt flags */
93 	case AIC31XX_INTRDACFLAG: /* Sticky interrupt flags */
94 	case AIC31XX_INTRADCFLAG: /* Sticky interrupt flags */
95 	case AIC31XX_INTRDACFLAG2:
96 	case AIC31XX_INTRADCFLAG2:
97 	case AIC31XX_HSDETECT:
98 		return true;
99 	}
100 	return false;
101 }
102 
103 static bool aic31xx_writeable(struct device *dev, unsigned int reg)
104 {
105 	switch (reg) {
106 	case AIC31XX_OT_FLAG:
107 	case AIC31XX_ADCFLAG:
108 	case AIC31XX_DACFLAG1:
109 	case AIC31XX_DACFLAG2:
110 	case AIC31XX_OFFLAG: /* Sticky interrupt flags */
111 	case AIC31XX_INTRDACFLAG: /* Sticky interrupt flags */
112 	case AIC31XX_INTRADCFLAG: /* Sticky interrupt flags */
113 	case AIC31XX_INTRDACFLAG2:
114 	case AIC31XX_INTRADCFLAG2:
115 		return false;
116 	}
117 	return true;
118 }
119 
120 static const struct regmap_range_cfg aic31xx_ranges[] = {
121 	{
122 		.range_min = 0,
123 		.range_max = 12 * 128,
124 		.selector_reg = AIC31XX_PAGECTL,
125 		.selector_mask = 0xff,
126 		.selector_shift = 0,
127 		.window_start = 0,
128 		.window_len = 128,
129 	},
130 };
131 
132 static const struct regmap_config aic31xx_i2c_regmap = {
133 	.reg_bits = 8,
134 	.val_bits = 8,
135 	.writeable_reg = aic31xx_writeable,
136 	.volatile_reg = aic31xx_volatile,
137 	.reg_defaults = aic31xx_reg_defaults,
138 	.num_reg_defaults = ARRAY_SIZE(aic31xx_reg_defaults),
139 	.cache_type = REGCACHE_RBTREE,
140 	.ranges = aic31xx_ranges,
141 	.num_ranges = ARRAY_SIZE(aic31xx_ranges),
142 	.max_register = 12 * 128,
143 };
144 
145 static const char * const aic31xx_supply_names[] = {
146 	"HPVDD",
147 	"SPRVDD",
148 	"SPLVDD",
149 	"AVDD",
150 	"IOVDD",
151 	"DVDD",
152 };
153 
154 #define AIC31XX_NUM_SUPPLIES ARRAY_SIZE(aic31xx_supply_names)
155 
156 struct aic31xx_disable_nb {
157 	struct notifier_block nb;
158 	struct aic31xx_priv *aic31xx;
159 };
160 
161 struct aic31xx_priv {
162 	struct snd_soc_component *component;
163 	u8 i2c_regs_status;
164 	struct device *dev;
165 	struct regmap *regmap;
166 	enum aic31xx_type codec_type;
167 	struct gpio_desc *gpio_reset;
168 	int micbias_vg;
169 	struct aic31xx_pdata pdata;
170 	struct regulator_bulk_data supplies[AIC31XX_NUM_SUPPLIES];
171 	struct aic31xx_disable_nb disable_nb[AIC31XX_NUM_SUPPLIES];
172 	struct snd_soc_jack *jack;
173 	u32 sysclk_id;
174 	unsigned int sysclk;
175 	u8 p_div;
176 	int rate_div_line;
177 	bool master_dapm_route_applied;
178 	int irq;
179 	u8 ocmv; /* output common-mode voltage */
180 };
181 
182 struct aic31xx_rate_divs {
183 	u32 mclk_p;
184 	u32 rate;
185 	u8 pll_r;
186 	u8 pll_j;
187 	u16 pll_d;
188 	u16 dosr;
189 	u8 ndac;
190 	u8 mdac;
191 	u8 aosr;
192 	u8 nadc;
193 	u8 madc;
194 };
195 
196 /* ADC dividers can be disabled by configuring them to 0 */
197 static const struct aic31xx_rate_divs aic31xx_divs[] = {
198 	/* mclk/p    rate  pll: r  j     d     dosr ndac mdac  aors nadc madc */
199 	/* 8k rate */
200 	{  512000,   8000,	4, 48,   0,	128,  48,  2,   128,  48,  2},
201 	{12000000,   8000,	1, 8, 1920,	128,  48,  2,	128,  48,  2},
202 	{12000000,   8000,	1, 8, 1920,	128,  32,  3,	128,  32,  3},
203 	{12500000,   8000,	1, 7, 8643,	128,  48,  2,	128,  48,  2},
204 	/* 11.025k rate */
205 	{  705600,  11025,	3, 48,   0,	128,  24,  3,	128,  24,  3},
206 	{12000000,  11025,	1, 7, 5264,	128,  32,  2,	128,  32,  2},
207 	{12000000,  11025,	1, 8, 4672,	128,  24,  3,	128,  24,  3},
208 	{12500000,  11025,	1, 7, 2253,	128,  32,  2,	128,  32,  2},
209 	/* 16k rate */
210 	{  512000,  16000,	4, 48,   0,	128,  16,  3,	128,  16,  3},
211 	{ 1024000,  16000,	2, 48,   0,	128,  16,  3,	128,  16,  3},
212 	{12000000,  16000,	1, 8, 1920,	128,  24,  2,	128,  24,  2},
213 	{12000000,  16000,	1, 8, 1920,	128,  16,  3,	128,  16,  3},
214 	{12500000,  16000,	1, 7, 8643,	128,  24,  2,	128,  24,  2},
215 	/* 22.05k rate */
216 	{  705600,  22050,	4, 36,   0,	128,  12,  3,	128,  12,  3},
217 	{ 1411200,  22050,	2, 36,   0,	128,  12,  3,	128,  12,  3},
218 	{12000000,  22050,	1, 7, 5264,	128,  16,  2,	128,  16,  2},
219 	{12000000,  22050,	1, 8, 4672,	128,  12,  3,	128,  12,  3},
220 	{12500000,  22050,	1, 7, 2253,	128,  16,  2,	128,  16,  2},
221 	/* 32k rate */
222 	{ 1024000,  32000,      2, 48,   0,	128,  12,  2,	128,  12,  2},
223 	{ 2048000,  32000,      1, 48,   0,	128,  12,  2,	128,  12,  2},
224 	{12000000,  32000,	1, 8, 1920,	128,  12,  2,	128,  12,  2},
225 	{12000000,  32000,	1, 8, 1920,	128,   8,  3,	128,   8,  3},
226 	{12500000,  32000,	1, 7, 8643,	128,  12,  2,	128,  12,  2},
227 	/* 44.1k rate */
228 	{ 1411200,  44100,	2, 32,   0,	128,   8,  2,	128,   8,  2},
229 	{ 2822400,  44100,	1, 32,   0,	128,   8,  2,	128,   8,  2},
230 	{12000000,  44100,	1, 7, 5264,	128,   8,  2,	128,   8,  2},
231 	{12000000,  44100,	1, 8, 4672,	128,   6,  3,	128,   6,  3},
232 	{12500000,  44100,	1, 7, 2253,	128,   8,  2,	128,   8,  2},
233 	/* 48k rate */
234 	{ 1536000,  48000,	2, 32,   0,	128,   8,  2,	128,   8,  2},
235 	{ 3072000,  48000,	1, 32,   0,	128,   8,  2,	128,   8,  2},
236 	{12000000,  48000,	1, 8, 1920,	128,   8,  2,	128,   8,  2},
237 	{12000000,  48000,	1, 7, 6800,	 96,   5,  4,	 96,   5,  4},
238 	{12500000,  48000,	1, 7, 8643,	128,   8,  2,	128,   8,  2},
239 	/* 88.2k rate */
240 	{ 2822400,  88200,	2, 16,   0,	 64,   8,  2,	 64,   8,  2},
241 	{ 5644800,  88200,	1, 16,   0,	 64,   8,  2,	 64,   8,  2},
242 	{12000000,  88200,	1, 7, 5264,	 64,   8,  2,	 64,   8,  2},
243 	{12000000,  88200,	1, 8, 4672,	 64,   6,  3,	 64,   6,  3},
244 	{12500000,  88200,	1, 7, 2253,	 64,   8,  2,	 64,   8,  2},
245 	/* 96k rate */
246 	{ 3072000,  96000,	2, 16,   0,	 64,   8,  2,	 64,   8,  2},
247 	{ 6144000,  96000,	1, 16,   0,	 64,   8,  2,	 64,   8,  2},
248 	{12000000,  96000,	1, 8, 1920,	 64,   8,  2,	 64,   8,  2},
249 	{12000000,  96000,	1, 7, 6800,	 48,   5,  4,	 48,   5,  4},
250 	{12500000,  96000,	1, 7, 8643,	 64,   8,  2,	 64,   8,  2},
251 	/* 176.4k rate */
252 	{ 5644800, 176400,	2, 8,    0,	 32,   8,  2,	 32,   8,  2},
253 	{11289600, 176400,	1, 8,    0,	 32,   8,  2,	 32,   8,  2},
254 	{12000000, 176400,	1, 7, 5264,	 32,   8,  2,	 32,   8,  2},
255 	{12000000, 176400,	1, 8, 4672,	 32,   6,  3,	 32,   6,  3},
256 	{12500000, 176400,	1, 7, 2253,	 32,   8,  2,	 32,   8,  2},
257 	/* 192k rate */
258 	{ 6144000, 192000,	2, 8,	 0,	 32,   8,  2,	 32,   8,  2},
259 	{12288000, 192000,	1, 8,	 0,	 32,   8,  2,	 32,   8,  2},
260 	{12000000, 192000,	1, 8, 1920,	 32,   8,  2,	 32,   8,  2},
261 	{12000000, 192000,	1, 7, 6800,	 24,   5,  4,	 24,   5,  4},
262 	{12500000, 192000,	1, 7, 8643,	 32,   8,  2,	 32,   8,  2},
263 };
264 
265 static const char * const ldac_in_text[] = {
266 	"Off", "Left Data", "Right Data", "Mono"
267 };
268 
269 static const char * const rdac_in_text[] = {
270 	"Off", "Right Data", "Left Data", "Mono"
271 };
272 
273 static SOC_ENUM_SINGLE_DECL(ldac_in_enum, AIC31XX_DACSETUP, 4, ldac_in_text);
274 
275 static SOC_ENUM_SINGLE_DECL(rdac_in_enum, AIC31XX_DACSETUP, 2, rdac_in_text);
276 
277 static const char * const mic_select_text[] = {
278 	"Off", "FFR 10 Ohm", "FFR 20 Ohm", "FFR 40 Ohm"
279 };
280 
281 static SOC_ENUM_SINGLE_DECL(mic1lp_p_enum, AIC31XX_MICPGAPI, 6,
282 	mic_select_text);
283 static SOC_ENUM_SINGLE_DECL(mic1rp_p_enum, AIC31XX_MICPGAPI, 4,
284 	mic_select_text);
285 static SOC_ENUM_SINGLE_DECL(mic1lm_p_enum, AIC31XX_MICPGAPI, 2,
286 	mic_select_text);
287 
288 static SOC_ENUM_SINGLE_DECL(mic1lm_m_enum, AIC31XX_MICPGAMI, 4,
289 	mic_select_text);
290 
291 static const char * const hp_poweron_time_text[] = {
292 	"0us", "15.3us", "153us", "1.53ms", "15.3ms", "76.2ms",
293 	"153ms", "304ms", "610ms", "1.22s", "3.04s", "6.1s" };
294 
295 static SOC_ENUM_SINGLE_DECL(hp_poweron_time_enum, AIC31XX_HPPOP, 3,
296 	hp_poweron_time_text);
297 
298 static const char * const hp_rampup_step_text[] = {
299 	"0ms", "0.98ms", "1.95ms", "3.9ms" };
300 
301 static SOC_ENUM_SINGLE_DECL(hp_rampup_step_enum, AIC31XX_HPPOP, 1,
302 	hp_rampup_step_text);
303 
304 static const char * const vol_soft_step_mode_text[] = {
305 	"fast", "slow", "disabled" };
306 
307 static SOC_ENUM_SINGLE_DECL(vol_soft_step_mode_enum, AIC31XX_DACSETUP, 0,
308 	vol_soft_step_mode_text);
309 
310 static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -6350, 50, 0);
311 static const DECLARE_TLV_DB_SCALE(adc_fgain_tlv, 0, 10, 0);
312 static const DECLARE_TLV_DB_SCALE(adc_cgain_tlv, -2000, 50, 0);
313 static const DECLARE_TLV_DB_SCALE(mic_pga_tlv, 0, 50, 0);
314 static const DECLARE_TLV_DB_SCALE(hp_drv_tlv, 0, 100, 0);
315 static const DECLARE_TLV_DB_SCALE(class_D_drv_tlv, 600, 600, 0);
316 static const DECLARE_TLV_DB_SCALE(hp_vol_tlv, -6350, 50, 0);
317 static const DECLARE_TLV_DB_SCALE(sp_vol_tlv, -6350, 50, 0);
318 
319 /*
320  * controls to be exported to the user space
321  */
322 static const struct snd_kcontrol_new common31xx_snd_controls[] = {
323 	SOC_DOUBLE_R_S_TLV("DAC Playback Volume", AIC31XX_LDACVOL,
324 			   AIC31XX_RDACVOL, 0, -127, 48, 7, 0, dac_vol_tlv),
325 
326 	SOC_DOUBLE_R("HP Driver Playback Switch", AIC31XX_HPLGAIN,
327 		     AIC31XX_HPRGAIN, 2, 1, 0),
328 	SOC_DOUBLE_R_TLV("HP Driver Playback Volume", AIC31XX_HPLGAIN,
329 			 AIC31XX_HPRGAIN, 3, 0x09, 0, hp_drv_tlv),
330 
331 	SOC_DOUBLE_R_TLV("HP Analog Playback Volume", AIC31XX_LANALOGHPL,
332 			 AIC31XX_RANALOGHPR, 0, 0x7F, 1, hp_vol_tlv),
333 
334 	/* HP de-pop control: apply power not immediately but via ramp
335 	 * function with these psarameters. Note that power up sequence
336 	 * has to wait for this to complete; this is implemented by
337 	 * polling HP driver status in aic31xx_dapm_power_event()
338 	 */
339 	SOC_ENUM("HP Output Driver Power-On time", hp_poweron_time_enum),
340 	SOC_ENUM("HP Output Driver Ramp-up step", hp_rampup_step_enum),
341 
342 	SOC_ENUM("Volume Soft Stepping", vol_soft_step_mode_enum),
343 };
344 
345 static const struct snd_kcontrol_new aic31xx_snd_controls[] = {
346 	SOC_SINGLE_TLV("ADC Fine Capture Volume", AIC31XX_ADCFGA, 4, 4, 1,
347 		       adc_fgain_tlv),
348 
349 	SOC_SINGLE("ADC Capture Switch", AIC31XX_ADCFGA, 7, 1, 1),
350 	SOC_DOUBLE_R_S_TLV("ADC Capture Volume", AIC31XX_ADCVOL, AIC31XX_ADCVOL,
351 			   0, -24, 40, 6, 0, adc_cgain_tlv),
352 
353 	SOC_SINGLE_TLV("Mic PGA Capture Volume", AIC31XX_MICPGA, 0,
354 		       119, 0, mic_pga_tlv),
355 };
356 
357 static const struct snd_kcontrol_new aic311x_snd_controls[] = {
358 	SOC_DOUBLE_R("Speaker Driver Playback Switch", AIC31XX_SPLGAIN,
359 		     AIC31XX_SPRGAIN, 2, 1, 0),
360 	SOC_DOUBLE_R_TLV("Speaker Driver Playback Volume", AIC31XX_SPLGAIN,
361 			 AIC31XX_SPRGAIN, 3, 3, 0, class_D_drv_tlv),
362 
363 	SOC_DOUBLE_R_TLV("Speaker Analog Playback Volume", AIC31XX_LANALOGSPL,
364 			 AIC31XX_RANALOGSPR, 0, 0x7F, 1, sp_vol_tlv),
365 };
366 
367 static const struct snd_kcontrol_new aic310x_snd_controls[] = {
368 	SOC_SINGLE("Speaker Driver Playback Switch", AIC31XX_SPLGAIN,
369 		   2, 1, 0),
370 	SOC_SINGLE_TLV("Speaker Driver Playback Volume", AIC31XX_SPLGAIN,
371 		       3, 3, 0, class_D_drv_tlv),
372 
373 	SOC_SINGLE_TLV("Speaker Analog Playback Volume", AIC31XX_LANALOGSPL,
374 		       0, 0x7F, 1, sp_vol_tlv),
375 };
376 
377 static const struct snd_kcontrol_new ldac_in_control =
378 	SOC_DAPM_ENUM("DAC Left Input", ldac_in_enum);
379 
380 static const struct snd_kcontrol_new rdac_in_control =
381 	SOC_DAPM_ENUM("DAC Right Input", rdac_in_enum);
382 
383 static int aic31xx_wait_bits(struct aic31xx_priv *aic31xx, unsigned int reg,
384 			     unsigned int mask, unsigned int wbits, int sleep,
385 			     int count)
386 {
387 	unsigned int bits;
388 	int counter = count;
389 	int ret = regmap_read(aic31xx->regmap, reg, &bits);
390 
391 	while ((bits & mask) != wbits && counter && !ret) {
392 		usleep_range(sleep, sleep * 2);
393 		ret = regmap_read(aic31xx->regmap, reg, &bits);
394 		counter--;
395 	}
396 	if ((bits & mask) != wbits) {
397 		dev_err(aic31xx->dev,
398 			"%s: Failed! 0x%x was 0x%x expected 0x%x (%d, 0x%x, %d us)\n",
399 			__func__, reg, bits, wbits, ret, mask,
400 			(count - counter) * sleep);
401 		ret = -1;
402 	}
403 	return ret;
404 }
405 
406 #define WIDGET_BIT(reg, shift) (((shift) << 8) | (reg))
407 
408 static int aic31xx_dapm_power_event(struct snd_soc_dapm_widget *w,
409 				    struct snd_kcontrol *kcontrol, int event)
410 {
411 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
412 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
413 	unsigned int reg = AIC31XX_DACFLAG1;
414 	unsigned int mask;
415 	unsigned int timeout = 500 * USEC_PER_MSEC;
416 
417 	switch (WIDGET_BIT(w->reg, w->shift)) {
418 	case WIDGET_BIT(AIC31XX_DACSETUP, 7):
419 		mask = AIC31XX_LDACPWRSTATUS_MASK;
420 		break;
421 	case WIDGET_BIT(AIC31XX_DACSETUP, 6):
422 		mask = AIC31XX_RDACPWRSTATUS_MASK;
423 		break;
424 	case WIDGET_BIT(AIC31XX_HPDRIVER, 7):
425 		mask = AIC31XX_HPLDRVPWRSTATUS_MASK;
426 		if (event == SND_SOC_DAPM_POST_PMU)
427 			timeout = 7 * USEC_PER_SEC;
428 		break;
429 	case WIDGET_BIT(AIC31XX_HPDRIVER, 6):
430 		mask = AIC31XX_HPRDRVPWRSTATUS_MASK;
431 		if (event == SND_SOC_DAPM_POST_PMU)
432 			timeout = 7 * USEC_PER_SEC;
433 		break;
434 	case WIDGET_BIT(AIC31XX_SPKAMP, 7):
435 		mask = AIC31XX_SPLDRVPWRSTATUS_MASK;
436 		break;
437 	case WIDGET_BIT(AIC31XX_SPKAMP, 6):
438 		mask = AIC31XX_SPRDRVPWRSTATUS_MASK;
439 		break;
440 	case WIDGET_BIT(AIC31XX_ADCSETUP, 7):
441 		mask = AIC31XX_ADCPWRSTATUS_MASK;
442 		reg = AIC31XX_ADCFLAG;
443 		break;
444 	default:
445 		dev_err(component->dev, "Unknown widget '%s' calling %s\n",
446 			w->name, __func__);
447 		return -EINVAL;
448 	}
449 
450 	switch (event) {
451 	case SND_SOC_DAPM_POST_PMU:
452 		return aic31xx_wait_bits(aic31xx, reg, mask, mask,
453 				5000, timeout / 5000);
454 	case SND_SOC_DAPM_POST_PMD:
455 		return aic31xx_wait_bits(aic31xx, reg, mask, 0,
456 				5000, timeout / 5000);
457 	default:
458 		dev_dbg(component->dev,
459 			"Unhandled dapm widget event %d from %s\n",
460 			event, w->name);
461 	}
462 	return 0;
463 }
464 
465 static const struct snd_kcontrol_new aic31xx_left_output_switches[] = {
466 	SOC_DAPM_SINGLE("From Left DAC", AIC31XX_DACMIXERROUTE, 6, 1, 0),
467 	SOC_DAPM_SINGLE("From MIC1LP", AIC31XX_DACMIXERROUTE, 5, 1, 0),
468 	SOC_DAPM_SINGLE("From MIC1RP", AIC31XX_DACMIXERROUTE, 4, 1, 0),
469 };
470 
471 static const struct snd_kcontrol_new aic31xx_right_output_switches[] = {
472 	SOC_DAPM_SINGLE("From Right DAC", AIC31XX_DACMIXERROUTE, 2, 1, 0),
473 	SOC_DAPM_SINGLE("From MIC1RP", AIC31XX_DACMIXERROUTE, 1, 1, 0),
474 };
475 
476 static const struct snd_kcontrol_new dac31xx_left_output_switches[] = {
477 	SOC_DAPM_SINGLE("From Left DAC", AIC31XX_DACMIXERROUTE, 6, 1, 0),
478 	SOC_DAPM_SINGLE("From AIN1", AIC31XX_DACMIXERROUTE, 5, 1, 0),
479 	SOC_DAPM_SINGLE("From AIN2", AIC31XX_DACMIXERROUTE, 4, 1, 0),
480 };
481 
482 static const struct snd_kcontrol_new dac31xx_right_output_switches[] = {
483 	SOC_DAPM_SINGLE("From Right DAC", AIC31XX_DACMIXERROUTE, 2, 1, 0),
484 	SOC_DAPM_SINGLE("From AIN2", AIC31XX_DACMIXERROUTE, 1, 1, 0),
485 };
486 
487 static const struct snd_kcontrol_new p_term_mic1lp =
488 	SOC_DAPM_ENUM("MIC1LP P-Terminal", mic1lp_p_enum);
489 
490 static const struct snd_kcontrol_new p_term_mic1rp =
491 	SOC_DAPM_ENUM("MIC1RP P-Terminal", mic1rp_p_enum);
492 
493 static const struct snd_kcontrol_new p_term_mic1lm =
494 	SOC_DAPM_ENUM("MIC1LM P-Terminal", mic1lm_p_enum);
495 
496 static const struct snd_kcontrol_new m_term_mic1lm =
497 	SOC_DAPM_ENUM("MIC1LM M-Terminal", mic1lm_m_enum);
498 
499 static const struct snd_kcontrol_new aic31xx_dapm_hpl_switch =
500 	SOC_DAPM_SINGLE("Switch", AIC31XX_LANALOGHPL, 7, 1, 0);
501 
502 static const struct snd_kcontrol_new aic31xx_dapm_hpr_switch =
503 	SOC_DAPM_SINGLE("Switch", AIC31XX_RANALOGHPR, 7, 1, 0);
504 
505 static const struct snd_kcontrol_new aic31xx_dapm_spl_switch =
506 	SOC_DAPM_SINGLE("Switch", AIC31XX_LANALOGSPL, 7, 1, 0);
507 
508 static const struct snd_kcontrol_new aic31xx_dapm_spr_switch =
509 	SOC_DAPM_SINGLE("Switch", AIC31XX_RANALOGSPR, 7, 1, 0);
510 
511 static int mic_bias_event(struct snd_soc_dapm_widget *w,
512 			  struct snd_kcontrol *kcontrol, int event)
513 {
514 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
515 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
516 
517 	switch (event) {
518 	case SND_SOC_DAPM_POST_PMU:
519 		/* change mic bias voltage to user defined */
520 		snd_soc_component_update_bits(component, AIC31XX_MICBIAS,
521 				    AIC31XX_MICBIAS_MASK,
522 				    aic31xx->micbias_vg <<
523 				    AIC31XX_MICBIAS_SHIFT);
524 		dev_dbg(component->dev, "%s: turned on\n", __func__);
525 		break;
526 	case SND_SOC_DAPM_PRE_PMD:
527 		/* turn mic bias off */
528 		snd_soc_component_update_bits(component, AIC31XX_MICBIAS,
529 				    AIC31XX_MICBIAS_MASK, 0);
530 		dev_dbg(component->dev, "%s: turned off\n", __func__);
531 		break;
532 	}
533 	return 0;
534 }
535 
536 static const struct snd_soc_dapm_widget common31xx_dapm_widgets[] = {
537 	SND_SOC_DAPM_AIF_IN("AIF IN", "Playback", 0, SND_SOC_NOPM, 0, 0),
538 
539 	SND_SOC_DAPM_MUX("DAC Left Input",
540 			 SND_SOC_NOPM, 0, 0, &ldac_in_control),
541 	SND_SOC_DAPM_MUX("DAC Right Input",
542 			 SND_SOC_NOPM, 0, 0, &rdac_in_control),
543 	/* DACs */
544 	SND_SOC_DAPM_DAC_E("DAC Left", "Left Playback",
545 			   AIC31XX_DACSETUP, 7, 0, aic31xx_dapm_power_event,
546 			   SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
547 
548 	SND_SOC_DAPM_DAC_E("DAC Right", "Right Playback",
549 			   AIC31XX_DACSETUP, 6, 0, aic31xx_dapm_power_event,
550 			   SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
551 
552 	/* HP */
553 	SND_SOC_DAPM_SWITCH("HP Left", SND_SOC_NOPM, 0, 0,
554 			    &aic31xx_dapm_hpl_switch),
555 	SND_SOC_DAPM_SWITCH("HP Right", SND_SOC_NOPM, 0, 0,
556 			    &aic31xx_dapm_hpr_switch),
557 
558 	/* Output drivers */
559 	SND_SOC_DAPM_OUT_DRV_E("HPL Driver", AIC31XX_HPDRIVER, 7, 0,
560 			       NULL, 0, aic31xx_dapm_power_event,
561 			       SND_SOC_DAPM_POST_PMD | SND_SOC_DAPM_POST_PMU),
562 	SND_SOC_DAPM_OUT_DRV_E("HPR Driver", AIC31XX_HPDRIVER, 6, 0,
563 			       NULL, 0, aic31xx_dapm_power_event,
564 			       SND_SOC_DAPM_POST_PMD | SND_SOC_DAPM_POST_PMU),
565 
566 	/* Mic Bias */
567 	SND_SOC_DAPM_SUPPLY("MICBIAS", SND_SOC_NOPM, 0, 0, mic_bias_event,
568 			    SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
569 
570 	/* Keep BCLK/WCLK enabled even if DAC/ADC is powered down */
571 	SND_SOC_DAPM_SUPPLY("Activate I2S clocks", AIC31XX_IFACE2, 2, 0,
572 			    NULL, 0),
573 
574 	/* Outputs */
575 	SND_SOC_DAPM_OUTPUT("HPL"),
576 	SND_SOC_DAPM_OUTPUT("HPR"),
577 };
578 
579 static const struct snd_soc_dapm_widget dac31xx_dapm_widgets[] = {
580 	/* Inputs */
581 	SND_SOC_DAPM_INPUT("AIN1"),
582 	SND_SOC_DAPM_INPUT("AIN2"),
583 
584 	/* Output Mixers */
585 	SND_SOC_DAPM_MIXER("Output Left", SND_SOC_NOPM, 0, 0,
586 			   dac31xx_left_output_switches,
587 			   ARRAY_SIZE(dac31xx_left_output_switches)),
588 	SND_SOC_DAPM_MIXER("Output Right", SND_SOC_NOPM, 0, 0,
589 			   dac31xx_right_output_switches,
590 			   ARRAY_SIZE(dac31xx_right_output_switches)),
591 };
592 
593 static const struct snd_soc_dapm_widget aic31xx_dapm_widgets[] = {
594 	/* Inputs */
595 	SND_SOC_DAPM_INPUT("MIC1LP"),
596 	SND_SOC_DAPM_INPUT("MIC1RP"),
597 	SND_SOC_DAPM_INPUT("MIC1LM"),
598 
599 	/* Input Selection to MIC_PGA */
600 	SND_SOC_DAPM_MUX("MIC1LP P-Terminal", SND_SOC_NOPM, 0, 0,
601 			 &p_term_mic1lp),
602 	SND_SOC_DAPM_MUX("MIC1RP P-Terminal", SND_SOC_NOPM, 0, 0,
603 			 &p_term_mic1rp),
604 	SND_SOC_DAPM_MUX("MIC1LM P-Terminal", SND_SOC_NOPM, 0, 0,
605 			 &p_term_mic1lm),
606 
607 	/* ADC */
608 	SND_SOC_DAPM_ADC_E("ADC", "Capture", AIC31XX_ADCSETUP, 7, 0,
609 			   aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
610 			   SND_SOC_DAPM_POST_PMD),
611 
612 	SND_SOC_DAPM_MUX("MIC1LM M-Terminal", SND_SOC_NOPM, 0, 0,
613 			 &m_term_mic1lm),
614 
615 	/* Enabling & Disabling MIC Gain Ctl */
616 	SND_SOC_DAPM_PGA("MIC_GAIN_CTL", AIC31XX_MICPGA,
617 			 7, 1, NULL, 0),
618 
619 	/* Output Mixers */
620 	SND_SOC_DAPM_MIXER("Output Left", SND_SOC_NOPM, 0, 0,
621 			   aic31xx_left_output_switches,
622 			   ARRAY_SIZE(aic31xx_left_output_switches)),
623 	SND_SOC_DAPM_MIXER("Output Right", SND_SOC_NOPM, 0, 0,
624 			   aic31xx_right_output_switches,
625 			   ARRAY_SIZE(aic31xx_right_output_switches)),
626 
627 	SND_SOC_DAPM_AIF_OUT("AIF OUT", "Capture", 0, SND_SOC_NOPM, 0, 0),
628 };
629 
630 static const struct snd_soc_dapm_widget aic311x_dapm_widgets[] = {
631 	/* AIC3111 and AIC3110 have stereo class-D amplifier */
632 	SND_SOC_DAPM_OUT_DRV_E("SPL ClassD", AIC31XX_SPKAMP, 7, 0, NULL, 0,
633 			       aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
634 			       SND_SOC_DAPM_POST_PMD),
635 	SND_SOC_DAPM_OUT_DRV_E("SPR ClassD", AIC31XX_SPKAMP, 6, 0, NULL, 0,
636 			       aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
637 			       SND_SOC_DAPM_POST_PMD),
638 	SND_SOC_DAPM_SWITCH("Speaker Left", SND_SOC_NOPM, 0, 0,
639 			    &aic31xx_dapm_spl_switch),
640 	SND_SOC_DAPM_SWITCH("Speaker Right", SND_SOC_NOPM, 0, 0,
641 			    &aic31xx_dapm_spr_switch),
642 	SND_SOC_DAPM_OUTPUT("SPL"),
643 	SND_SOC_DAPM_OUTPUT("SPR"),
644 };
645 
646 /* AIC3100 and AIC3120 have only mono class-D amplifier */
647 static const struct snd_soc_dapm_widget aic310x_dapm_widgets[] = {
648 	SND_SOC_DAPM_OUT_DRV_E("SPK ClassD", AIC31XX_SPKAMP, 7, 0, NULL, 0,
649 			       aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
650 			       SND_SOC_DAPM_POST_PMD),
651 	SND_SOC_DAPM_SWITCH("Speaker", SND_SOC_NOPM, 0, 0,
652 			    &aic31xx_dapm_spl_switch),
653 	SND_SOC_DAPM_OUTPUT("SPK"),
654 };
655 
656 static const struct snd_soc_dapm_route
657 common31xx_audio_map[] = {
658 	/* DAC Input Routing */
659 	{"DAC Left Input", "Left Data", "AIF IN"},
660 	{"DAC Left Input", "Right Data", "AIF IN"},
661 	{"DAC Left Input", "Mono", "AIF IN"},
662 	{"DAC Right Input", "Left Data", "AIF IN"},
663 	{"DAC Right Input", "Right Data", "AIF IN"},
664 	{"DAC Right Input", "Mono", "AIF IN"},
665 	{"DAC Left", NULL, "DAC Left Input"},
666 	{"DAC Right", NULL, "DAC Right Input"},
667 
668 	/* HPL path */
669 	{"HP Left", "Switch", "Output Left"},
670 	{"HPL Driver", NULL, "HP Left"},
671 	{"HPL", NULL, "HPL Driver"},
672 
673 	/* HPR path */
674 	{"HP Right", "Switch", "Output Right"},
675 	{"HPR Driver", NULL, "HP Right"},
676 	{"HPR", NULL, "HPR Driver"},
677 };
678 
679 static const struct snd_soc_dapm_route
680 dac31xx_audio_map[] = {
681 	/* Left Output */
682 	{"Output Left", "From Left DAC", "DAC Left"},
683 	{"Output Left", "From AIN1", "AIN1"},
684 	{"Output Left", "From AIN2", "AIN2"},
685 
686 	/* Right Output */
687 	{"Output Right", "From Right DAC", "DAC Right"},
688 	{"Output Right", "From AIN2", "AIN2"},
689 };
690 
691 static const struct snd_soc_dapm_route
692 aic31xx_audio_map[] = {
693 	/* Mic input */
694 	{"MIC1LP P-Terminal", "FFR 10 Ohm", "MIC1LP"},
695 	{"MIC1LP P-Terminal", "FFR 20 Ohm", "MIC1LP"},
696 	{"MIC1LP P-Terminal", "FFR 40 Ohm", "MIC1LP"},
697 	{"MIC1RP P-Terminal", "FFR 10 Ohm", "MIC1RP"},
698 	{"MIC1RP P-Terminal", "FFR 20 Ohm", "MIC1RP"},
699 	{"MIC1RP P-Terminal", "FFR 40 Ohm", "MIC1RP"},
700 	{"MIC1LM P-Terminal", "FFR 10 Ohm", "MIC1LM"},
701 	{"MIC1LM P-Terminal", "FFR 20 Ohm", "MIC1LM"},
702 	{"MIC1LM P-Terminal", "FFR 40 Ohm", "MIC1LM"},
703 
704 	{"MIC1LM M-Terminal", "FFR 10 Ohm", "MIC1LM"},
705 	{"MIC1LM M-Terminal", "FFR 20 Ohm", "MIC1LM"},
706 	{"MIC1LM M-Terminal", "FFR 40 Ohm", "MIC1LM"},
707 
708 	{"MIC_GAIN_CTL", NULL, "MIC1LP P-Terminal"},
709 	{"MIC_GAIN_CTL", NULL, "MIC1RP P-Terminal"},
710 	{"MIC_GAIN_CTL", NULL, "MIC1LM P-Terminal"},
711 	{"MIC_GAIN_CTL", NULL, "MIC1LM M-Terminal"},
712 
713 	{"ADC", NULL, "MIC_GAIN_CTL"},
714 
715 	{"AIF OUT", NULL, "ADC"},
716 
717 	/* Left Output */
718 	{"Output Left", "From Left DAC", "DAC Left"},
719 	{"Output Left", "From MIC1LP", "MIC1LP"},
720 	{"Output Left", "From MIC1RP", "MIC1RP"},
721 
722 	/* Right Output */
723 	{"Output Right", "From Right DAC", "DAC Right"},
724 	{"Output Right", "From MIC1RP", "MIC1RP"},
725 };
726 
727 static const struct snd_soc_dapm_route
728 aic311x_audio_map[] = {
729 	/* SP L path */
730 	{"Speaker Left", "Switch", "Output Left"},
731 	{"SPL ClassD", NULL, "Speaker Left"},
732 	{"SPL", NULL, "SPL ClassD"},
733 
734 	/* SP R path */
735 	{"Speaker Right", "Switch", "Output Right"},
736 	{"SPR ClassD", NULL, "Speaker Right"},
737 	{"SPR", NULL, "SPR ClassD"},
738 };
739 
740 static const struct snd_soc_dapm_route
741 aic310x_audio_map[] = {
742 	/* SP L path */
743 	{"Speaker", "Switch", "Output Left"},
744 	{"SPK ClassD", NULL, "Speaker"},
745 	{"SPK", NULL, "SPK ClassD"},
746 };
747 
748 /*
749  * Always connected DAPM routes for codec clock master modes.
750  * If the codec is the master on the I2S bus, we need to power up components
751  * to have valid DAC_CLK.
752  *
753  * In order to have the I2S clocks on the bus either the DACs/ADC need to be
754  * enabled, or the P0/R29/D2 (Keep bclk/wclk in power down) need to be set.
755  *
756  * Otherwise the codec will not generate clocks on the bus.
757  */
758 static const struct snd_soc_dapm_route
759 common31xx_cm_audio_map[] = {
760 	{"HPL", NULL, "AIF IN"},
761 	{"HPR", NULL, "AIF IN"},
762 
763 	{"AIF IN", NULL, "Activate I2S clocks"},
764 };
765 
766 static const struct snd_soc_dapm_route
767 aic31xx_cm_audio_map[] = {
768 	{"AIF OUT", NULL, "MIC1LP"},
769 	{"AIF OUT", NULL, "MIC1RP"},
770 	{"AIF OUT", NULL, "MIC1LM"},
771 
772 	{"AIF OUT", NULL, "Activate I2S clocks"},
773 };
774 
775 static int aic31xx_add_controls(struct snd_soc_component *component)
776 {
777 	int ret = 0;
778 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
779 
780 	if (!(aic31xx->codec_type & DAC31XX_BIT))
781 		ret = snd_soc_add_component_controls(
782 			component, aic31xx_snd_controls,
783 			ARRAY_SIZE(aic31xx_snd_controls));
784 	if (ret)
785 		return ret;
786 
787 	if (aic31xx->codec_type & AIC31XX_STEREO_CLASS_D_BIT)
788 		ret = snd_soc_add_component_controls(
789 			component, aic311x_snd_controls,
790 			ARRAY_SIZE(aic311x_snd_controls));
791 	else
792 		ret = snd_soc_add_component_controls(
793 			component, aic310x_snd_controls,
794 			ARRAY_SIZE(aic310x_snd_controls));
795 
796 	return ret;
797 }
798 
799 static int aic31xx_add_widgets(struct snd_soc_component *component)
800 {
801 	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
802 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
803 	int ret = 0;
804 
805 	if (aic31xx->codec_type & DAC31XX_BIT) {
806 		ret = snd_soc_dapm_new_controls(
807 			dapm, dac31xx_dapm_widgets,
808 			ARRAY_SIZE(dac31xx_dapm_widgets));
809 		if (ret)
810 			return ret;
811 
812 		ret = snd_soc_dapm_add_routes(dapm, dac31xx_audio_map,
813 					      ARRAY_SIZE(dac31xx_audio_map));
814 		if (ret)
815 			return ret;
816 	} else {
817 		ret = snd_soc_dapm_new_controls(
818 			dapm, aic31xx_dapm_widgets,
819 			ARRAY_SIZE(aic31xx_dapm_widgets));
820 		if (ret)
821 			return ret;
822 
823 		ret = snd_soc_dapm_add_routes(dapm, aic31xx_audio_map,
824 					      ARRAY_SIZE(aic31xx_audio_map));
825 		if (ret)
826 			return ret;
827 	}
828 
829 	if (aic31xx->codec_type & AIC31XX_STEREO_CLASS_D_BIT) {
830 		ret = snd_soc_dapm_new_controls(
831 			dapm, aic311x_dapm_widgets,
832 			ARRAY_SIZE(aic311x_dapm_widgets));
833 		if (ret)
834 			return ret;
835 
836 		ret = snd_soc_dapm_add_routes(dapm, aic311x_audio_map,
837 					      ARRAY_SIZE(aic311x_audio_map));
838 		if (ret)
839 			return ret;
840 	} else {
841 		ret = snd_soc_dapm_new_controls(
842 			dapm, aic310x_dapm_widgets,
843 			ARRAY_SIZE(aic310x_dapm_widgets));
844 		if (ret)
845 			return ret;
846 
847 		ret = snd_soc_dapm_add_routes(dapm, aic310x_audio_map,
848 					      ARRAY_SIZE(aic310x_audio_map));
849 		if (ret)
850 			return ret;
851 	}
852 
853 	return 0;
854 }
855 
856 static int aic31xx_setup_pll(struct snd_soc_component *component,
857 			     struct snd_pcm_hw_params *params)
858 {
859 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
860 	int bclk_score = snd_soc_params_to_frame_size(params);
861 	int mclk_p;
862 	int bclk_n = 0;
863 	int match = -1;
864 	int i;
865 
866 	if (!aic31xx->sysclk || !aic31xx->p_div) {
867 		dev_err(component->dev, "Master clock not supplied\n");
868 		return -EINVAL;
869 	}
870 	mclk_p = aic31xx->sysclk / aic31xx->p_div;
871 
872 	/* Use PLL as CODEC_CLKIN and DAC_CLK as BDIV_CLKIN */
873 	snd_soc_component_update_bits(component, AIC31XX_CLKMUX,
874 			    AIC31XX_CODEC_CLKIN_MASK, AIC31XX_CODEC_CLKIN_PLL);
875 	snd_soc_component_update_bits(component, AIC31XX_IFACE2,
876 			    AIC31XX_BDIVCLK_MASK, AIC31XX_DAC2BCLK);
877 
878 	for (i = 0; i < ARRAY_SIZE(aic31xx_divs); i++) {
879 		if (aic31xx_divs[i].rate == params_rate(params) &&
880 		    aic31xx_divs[i].mclk_p == mclk_p) {
881 			int s =	(aic31xx_divs[i].dosr * aic31xx_divs[i].mdac) %
882 				snd_soc_params_to_frame_size(params);
883 			int bn = (aic31xx_divs[i].dosr * aic31xx_divs[i].mdac) /
884 				snd_soc_params_to_frame_size(params);
885 			if (s < bclk_score && bn > 0) {
886 				match = i;
887 				bclk_n = bn;
888 				bclk_score = s;
889 			}
890 		}
891 	}
892 
893 	if (match == -1) {
894 		dev_err(component->dev,
895 			"%s: Sample rate (%u) and format not supported\n",
896 			__func__, params_rate(params));
897 		/* See bellow for details how fix this. */
898 		return -EINVAL;
899 	}
900 	if (bclk_score != 0) {
901 		dev_warn(component->dev, "Can not produce exact bitclock");
902 		/* This is fine if using dsp format, but if using i2s
903 		   there may be trouble. To fix the issue edit the
904 		   aic31xx_divs table for your mclk and sample
905 		   rate. Details can be found from:
906 		   https://www.ti.com/lit/ds/symlink/tlv320aic3100.pdf
907 		   Section: 5.6 CLOCK Generation and PLL
908 		*/
909 	}
910 	i = match;
911 
912 	/* PLL configuration */
913 	snd_soc_component_update_bits(component, AIC31XX_PLLPR, AIC31XX_PLL_MASK,
914 			    (aic31xx->p_div << 4) | aic31xx_divs[i].pll_r);
915 	snd_soc_component_write(component, AIC31XX_PLLJ, aic31xx_divs[i].pll_j);
916 
917 	snd_soc_component_write(component, AIC31XX_PLLDMSB,
918 		      aic31xx_divs[i].pll_d >> 8);
919 	snd_soc_component_write(component, AIC31XX_PLLDLSB,
920 		      aic31xx_divs[i].pll_d & 0xff);
921 
922 	/* DAC dividers configuration */
923 	snd_soc_component_update_bits(component, AIC31XX_NDAC, AIC31XX_PLL_MASK,
924 			    aic31xx_divs[i].ndac);
925 	snd_soc_component_update_bits(component, AIC31XX_MDAC, AIC31XX_PLL_MASK,
926 			    aic31xx_divs[i].mdac);
927 
928 	snd_soc_component_write(component, AIC31XX_DOSRMSB, aic31xx_divs[i].dosr >> 8);
929 	snd_soc_component_write(component, AIC31XX_DOSRLSB, aic31xx_divs[i].dosr & 0xff);
930 
931 	/* ADC dividers configuration. Write reset value 1 if not used. */
932 	snd_soc_component_update_bits(component, AIC31XX_NADC, AIC31XX_PLL_MASK,
933 			    aic31xx_divs[i].nadc ? aic31xx_divs[i].nadc : 1);
934 	snd_soc_component_update_bits(component, AIC31XX_MADC, AIC31XX_PLL_MASK,
935 			    aic31xx_divs[i].madc ? aic31xx_divs[i].madc : 1);
936 
937 	snd_soc_component_write(component, AIC31XX_AOSR, aic31xx_divs[i].aosr);
938 
939 	/* Bit clock divider configuration. */
940 	snd_soc_component_update_bits(component, AIC31XX_BCLKN,
941 			    AIC31XX_PLL_MASK, bclk_n);
942 
943 	aic31xx->rate_div_line = i;
944 
945 	dev_dbg(component->dev,
946 		"pll %d.%04d/%d dosr %d n %d m %d aosr %d n %d m %d bclk_n %d\n",
947 		aic31xx_divs[i].pll_j,
948 		aic31xx_divs[i].pll_d,
949 		aic31xx->p_div,
950 		aic31xx_divs[i].dosr,
951 		aic31xx_divs[i].ndac,
952 		aic31xx_divs[i].mdac,
953 		aic31xx_divs[i].aosr,
954 		aic31xx_divs[i].nadc,
955 		aic31xx_divs[i].madc,
956 		bclk_n
957 	);
958 
959 	return 0;
960 }
961 
962 static int aic31xx_hw_params(struct snd_pcm_substream *substream,
963 			     struct snd_pcm_hw_params *params,
964 			     struct snd_soc_dai *dai)
965 {
966 	struct snd_soc_component *component = dai->component;
967 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
968 	u8 data = 0;
969 
970 	dev_dbg(component->dev, "## %s: width %d rate %d\n",
971 		__func__, params_width(params),
972 		params_rate(params));
973 
974 	switch (params_width(params)) {
975 	case 16:
976 		break;
977 	case 20:
978 		data = (AIC31XX_WORD_LEN_20BITS <<
979 			AIC31XX_IFACE1_DATALEN_SHIFT);
980 		break;
981 	case 24:
982 		data = (AIC31XX_WORD_LEN_24BITS <<
983 			AIC31XX_IFACE1_DATALEN_SHIFT);
984 		break;
985 	case 32:
986 		data = (AIC31XX_WORD_LEN_32BITS <<
987 			AIC31XX_IFACE1_DATALEN_SHIFT);
988 		break;
989 	default:
990 		dev_err(component->dev, "%s: Unsupported width %d\n",
991 			__func__, params_width(params));
992 		return -EINVAL;
993 	}
994 
995 	snd_soc_component_update_bits(component, AIC31XX_IFACE1,
996 			    AIC31XX_IFACE1_DATALEN_MASK,
997 			    data);
998 
999 	/*
1000 	 * If BCLK is used as PLL input, the sysclk is determined by the hw
1001 	 * params. So it must be updated here to match the input frequency.
1002 	 */
1003 	if (aic31xx->sysclk_id == AIC31XX_PLL_CLKIN_BCLK) {
1004 		aic31xx->sysclk = params_rate(params) * params_width(params) *
1005 				  params_channels(params);
1006 		aic31xx->p_div = 1;
1007 	}
1008 
1009 	return aic31xx_setup_pll(component, params);
1010 }
1011 
1012 static int aic31xx_dac_mute(struct snd_soc_dai *codec_dai, int mute,
1013 			    int direction)
1014 {
1015 	struct snd_soc_component *component = codec_dai->component;
1016 
1017 	if (mute) {
1018 		snd_soc_component_update_bits(component, AIC31XX_DACMUTE,
1019 				    AIC31XX_DACMUTE_MASK,
1020 				    AIC31XX_DACMUTE_MASK);
1021 	} else {
1022 		snd_soc_component_update_bits(component, AIC31XX_DACMUTE,
1023 				    AIC31XX_DACMUTE_MASK, 0x0);
1024 	}
1025 
1026 	return 0;
1027 }
1028 
1029 static int aic31xx_clock_master_routes(struct snd_soc_component *component,
1030 				       unsigned int fmt)
1031 {
1032 	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
1033 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
1034 	int ret;
1035 
1036 	fmt &= SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK;
1037 	if (fmt == SND_SOC_DAIFMT_CBC_CFC &&
1038 	    aic31xx->master_dapm_route_applied) {
1039 		/*
1040 		 * Remove the DAPM route(s) for codec clock master modes,
1041 		 * if applied
1042 		 */
1043 		ret = snd_soc_dapm_del_routes(dapm, common31xx_cm_audio_map,
1044 					ARRAY_SIZE(common31xx_cm_audio_map));
1045 		if (!ret && !(aic31xx->codec_type & DAC31XX_BIT))
1046 			ret = snd_soc_dapm_del_routes(dapm,
1047 					aic31xx_cm_audio_map,
1048 					ARRAY_SIZE(aic31xx_cm_audio_map));
1049 
1050 		if (ret)
1051 			return ret;
1052 
1053 		aic31xx->master_dapm_route_applied = false;
1054 	} else if (fmt != SND_SOC_DAIFMT_CBC_CFC &&
1055 		   !aic31xx->master_dapm_route_applied) {
1056 		/*
1057 		 * Add the needed DAPM route(s) for codec clock master modes,
1058 		 * if it is not done already
1059 		 */
1060 		ret = snd_soc_dapm_add_routes(dapm, common31xx_cm_audio_map,
1061 					ARRAY_SIZE(common31xx_cm_audio_map));
1062 		if (!ret && !(aic31xx->codec_type & DAC31XX_BIT))
1063 			ret = snd_soc_dapm_add_routes(dapm,
1064 					aic31xx_cm_audio_map,
1065 					ARRAY_SIZE(aic31xx_cm_audio_map));
1066 
1067 		if (ret)
1068 			return ret;
1069 
1070 		aic31xx->master_dapm_route_applied = true;
1071 	}
1072 
1073 	return 0;
1074 }
1075 
1076 static int aic31xx_set_dai_fmt(struct snd_soc_dai *codec_dai,
1077 			       unsigned int fmt)
1078 {
1079 	struct snd_soc_component *component = codec_dai->component;
1080 	u8 iface_reg1 = 0;
1081 	u8 iface_reg2 = 0;
1082 	u8 dsp_a_val = 0;
1083 
1084 	dev_dbg(component->dev, "## %s: fmt = 0x%x\n", __func__, fmt);
1085 
1086 	switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
1087 	case SND_SOC_DAIFMT_CBP_CFP:
1088 		iface_reg1 |= AIC31XX_BCLK_MASTER | AIC31XX_WCLK_MASTER;
1089 		break;
1090 	case SND_SOC_DAIFMT_CBC_CFP:
1091 		iface_reg1 |= AIC31XX_WCLK_MASTER;
1092 		break;
1093 	case SND_SOC_DAIFMT_CBP_CFC:
1094 		iface_reg1 |= AIC31XX_BCLK_MASTER;
1095 		break;
1096 	case SND_SOC_DAIFMT_CBC_CFC:
1097 		break;
1098 	default:
1099 		dev_err(component->dev, "Invalid DAI clock provider\n");
1100 		return -EINVAL;
1101 	}
1102 
1103 	/* signal polarity */
1104 	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1105 	case SND_SOC_DAIFMT_NB_NF:
1106 		break;
1107 	case SND_SOC_DAIFMT_IB_NF:
1108 		iface_reg2 |= AIC31XX_BCLKINV_MASK;
1109 		break;
1110 	default:
1111 		dev_err(component->dev, "Invalid DAI clock signal polarity\n");
1112 		return -EINVAL;
1113 	}
1114 
1115 	/* interface format */
1116 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1117 	case SND_SOC_DAIFMT_I2S:
1118 		break;
1119 	case SND_SOC_DAIFMT_DSP_A:
1120 		dsp_a_val = 0x1;
1121 		fallthrough;
1122 	case SND_SOC_DAIFMT_DSP_B:
1123 		/*
1124 		 * NOTE: This CODEC samples on the falling edge of BCLK in
1125 		 * DSP mode, this is inverted compared to what most DAIs
1126 		 * expect, so we invert for this mode
1127 		 */
1128 		iface_reg2 ^= AIC31XX_BCLKINV_MASK;
1129 		iface_reg1 |= (AIC31XX_DSP_MODE <<
1130 			       AIC31XX_IFACE1_DATATYPE_SHIFT);
1131 		break;
1132 	case SND_SOC_DAIFMT_RIGHT_J:
1133 		iface_reg1 |= (AIC31XX_RIGHT_JUSTIFIED_MODE <<
1134 			       AIC31XX_IFACE1_DATATYPE_SHIFT);
1135 		break;
1136 	case SND_SOC_DAIFMT_LEFT_J:
1137 		iface_reg1 |= (AIC31XX_LEFT_JUSTIFIED_MODE <<
1138 			       AIC31XX_IFACE1_DATATYPE_SHIFT);
1139 		break;
1140 	default:
1141 		dev_err(component->dev, "Invalid DAI interface format\n");
1142 		return -EINVAL;
1143 	}
1144 
1145 	snd_soc_component_update_bits(component, AIC31XX_IFACE1,
1146 			    AIC31XX_IFACE1_DATATYPE_MASK |
1147 			    AIC31XX_IFACE1_MASTER_MASK,
1148 			    iface_reg1);
1149 	snd_soc_component_update_bits(component, AIC31XX_DATA_OFFSET,
1150 			    AIC31XX_DATA_OFFSET_MASK,
1151 			    dsp_a_val);
1152 	snd_soc_component_update_bits(component, AIC31XX_IFACE2,
1153 			    AIC31XX_BCLKINV_MASK,
1154 			    iface_reg2);
1155 
1156 	return aic31xx_clock_master_routes(component, fmt);
1157 }
1158 
1159 static int aic31xx_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1160 				  int clk_id, unsigned int freq, int dir)
1161 {
1162 	struct snd_soc_component *component = codec_dai->component;
1163 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
1164 	int i;
1165 
1166 	dev_dbg(component->dev, "## %s: clk_id = %d, freq = %d, dir = %d\n",
1167 		__func__, clk_id, freq, dir);
1168 
1169 	for (i = 1; i < 8; i++)
1170 		if (freq / i <= 20000000)
1171 			break;
1172 	if (freq/i > 20000000) {
1173 		dev_err(aic31xx->dev, "%s: Too high mclk frequency %u\n",
1174 			__func__, freq);
1175 		return -EINVAL;
1176 	}
1177 	aic31xx->p_div = i;
1178 
1179 	for (i = 0; i < ARRAY_SIZE(aic31xx_divs); i++)
1180 		if (aic31xx_divs[i].mclk_p == freq / aic31xx->p_div)
1181 			break;
1182 	if (i == ARRAY_SIZE(aic31xx_divs)) {
1183 		dev_err(aic31xx->dev, "%s: Unsupported frequency %d\n",
1184 			__func__, freq);
1185 		return -EINVAL;
1186 	}
1187 
1188 	/* set clock on MCLK, BCLK, or GPIO1 as PLL input */
1189 	snd_soc_component_update_bits(component, AIC31XX_CLKMUX, AIC31XX_PLL_CLKIN_MASK,
1190 			    clk_id << AIC31XX_PLL_CLKIN_SHIFT);
1191 
1192 	aic31xx->sysclk_id = clk_id;
1193 	aic31xx->sysclk = freq;
1194 
1195 	return 0;
1196 }
1197 
1198 static int aic31xx_regulator_event(struct notifier_block *nb,
1199 				   unsigned long event, void *data)
1200 {
1201 	struct aic31xx_disable_nb *disable_nb =
1202 		container_of(nb, struct aic31xx_disable_nb, nb);
1203 	struct aic31xx_priv *aic31xx = disable_nb->aic31xx;
1204 
1205 	if (event & REGULATOR_EVENT_DISABLE) {
1206 		/*
1207 		 * Put codec to reset and as at least one of the
1208 		 * supplies was disabled.
1209 		 */
1210 		if (aic31xx->gpio_reset)
1211 			gpiod_set_value(aic31xx->gpio_reset, 1);
1212 
1213 		regcache_mark_dirty(aic31xx->regmap);
1214 		dev_dbg(aic31xx->dev, "## %s: DISABLE received\n", __func__);
1215 	}
1216 
1217 	return 0;
1218 }
1219 
1220 static int aic31xx_reset(struct aic31xx_priv *aic31xx)
1221 {
1222 	int ret = 0;
1223 
1224 	if (aic31xx->gpio_reset) {
1225 		gpiod_set_value(aic31xx->gpio_reset, 1);
1226 		ndelay(10); /* At least 10ns */
1227 		gpiod_set_value(aic31xx->gpio_reset, 0);
1228 	} else {
1229 		ret = regmap_write(aic31xx->regmap, AIC31XX_RESET, 1);
1230 	}
1231 	mdelay(1); /* At least 1ms */
1232 
1233 	return ret;
1234 }
1235 
1236 static void aic31xx_clk_on(struct snd_soc_component *component)
1237 {
1238 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
1239 	u8 mask = AIC31XX_PM_MASK;
1240 	u8 on = AIC31XX_PM_MASK;
1241 
1242 	dev_dbg(component->dev, "codec clock -> on (rate %d)\n",
1243 		aic31xx_divs[aic31xx->rate_div_line].rate);
1244 	snd_soc_component_update_bits(component, AIC31XX_PLLPR, mask, on);
1245 	mdelay(10);
1246 	snd_soc_component_update_bits(component, AIC31XX_NDAC, mask, on);
1247 	snd_soc_component_update_bits(component, AIC31XX_MDAC, mask, on);
1248 	if (aic31xx_divs[aic31xx->rate_div_line].nadc)
1249 		snd_soc_component_update_bits(component, AIC31XX_NADC, mask, on);
1250 	if (aic31xx_divs[aic31xx->rate_div_line].madc)
1251 		snd_soc_component_update_bits(component, AIC31XX_MADC, mask, on);
1252 	snd_soc_component_update_bits(component, AIC31XX_BCLKN, mask, on);
1253 }
1254 
1255 static void aic31xx_clk_off(struct snd_soc_component *component)
1256 {
1257 	u8 mask = AIC31XX_PM_MASK;
1258 	u8 off = 0;
1259 
1260 	dev_dbg(component->dev, "codec clock -> off\n");
1261 	snd_soc_component_update_bits(component, AIC31XX_BCLKN, mask, off);
1262 	snd_soc_component_update_bits(component, AIC31XX_MADC, mask, off);
1263 	snd_soc_component_update_bits(component, AIC31XX_NADC, mask, off);
1264 	snd_soc_component_update_bits(component, AIC31XX_MDAC, mask, off);
1265 	snd_soc_component_update_bits(component, AIC31XX_NDAC, mask, off);
1266 	snd_soc_component_update_bits(component, AIC31XX_PLLPR, mask, off);
1267 }
1268 
1269 static int aic31xx_power_on(struct snd_soc_component *component)
1270 {
1271 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
1272 	int ret;
1273 
1274 	ret = regulator_bulk_enable(ARRAY_SIZE(aic31xx->supplies),
1275 				    aic31xx->supplies);
1276 	if (ret)
1277 		return ret;
1278 
1279 	regcache_cache_only(aic31xx->regmap, false);
1280 
1281 	/* Reset device registers for a consistent power-on like state */
1282 	ret = aic31xx_reset(aic31xx);
1283 	if (ret < 0)
1284 		dev_err(aic31xx->dev, "Could not reset device: %d\n", ret);
1285 
1286 	ret = regcache_sync(aic31xx->regmap);
1287 	if (ret) {
1288 		dev_err(component->dev,
1289 			"Failed to restore cache: %d\n", ret);
1290 		regcache_cache_only(aic31xx->regmap, true);
1291 		regulator_bulk_disable(ARRAY_SIZE(aic31xx->supplies),
1292 				       aic31xx->supplies);
1293 		return ret;
1294 	}
1295 
1296 	/*
1297 	 * The jack detection configuration is in the same register
1298 	 * that is used to report jack detect status so is volatile
1299 	 * and not covered by the cache sync, restore it separately.
1300 	 */
1301 	aic31xx_set_jack(component, aic31xx->jack, NULL);
1302 
1303 	return 0;
1304 }
1305 
1306 static void aic31xx_power_off(struct snd_soc_component *component)
1307 {
1308 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
1309 
1310 	regcache_cache_only(aic31xx->regmap, true);
1311 	regulator_bulk_disable(ARRAY_SIZE(aic31xx->supplies),
1312 			       aic31xx->supplies);
1313 }
1314 
1315 static int aic31xx_set_bias_level(struct snd_soc_component *component,
1316 				  enum snd_soc_bias_level level)
1317 {
1318 	dev_dbg(component->dev, "## %s: %d -> %d\n", __func__,
1319 		snd_soc_component_get_bias_level(component), level);
1320 
1321 	switch (level) {
1322 	case SND_SOC_BIAS_ON:
1323 		break;
1324 	case SND_SOC_BIAS_PREPARE:
1325 		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_STANDBY)
1326 			aic31xx_clk_on(component);
1327 		break;
1328 	case SND_SOC_BIAS_STANDBY:
1329 		switch (snd_soc_component_get_bias_level(component)) {
1330 		case SND_SOC_BIAS_OFF:
1331 			aic31xx_power_on(component);
1332 			break;
1333 		case SND_SOC_BIAS_PREPARE:
1334 			aic31xx_clk_off(component);
1335 			break;
1336 		default:
1337 			BUG();
1338 		}
1339 		break;
1340 	case SND_SOC_BIAS_OFF:
1341 		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_STANDBY)
1342 			aic31xx_power_off(component);
1343 		break;
1344 	}
1345 
1346 	return 0;
1347 }
1348 
1349 static int aic31xx_set_jack(struct snd_soc_component *component,
1350 			    struct snd_soc_jack *jack, void *data)
1351 {
1352 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
1353 
1354 	aic31xx->jack = jack;
1355 
1356 	/* Enable/Disable jack detection */
1357 	regmap_write(aic31xx->regmap, AIC31XX_HSDETECT,
1358 		     jack ? AIC31XX_HSD_ENABLE : 0);
1359 
1360 	return 0;
1361 }
1362 
1363 static int aic31xx_codec_probe(struct snd_soc_component *component)
1364 {
1365 	struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
1366 	int i, ret;
1367 
1368 	dev_dbg(aic31xx->dev, "## %s\n", __func__);
1369 
1370 	aic31xx->component = component;
1371 
1372 	for (i = 0; i < ARRAY_SIZE(aic31xx->supplies); i++) {
1373 		aic31xx->disable_nb[i].nb.notifier_call =
1374 			aic31xx_regulator_event;
1375 		aic31xx->disable_nb[i].aic31xx = aic31xx;
1376 		ret = devm_regulator_register_notifier(
1377 						aic31xx->supplies[i].consumer,
1378 						&aic31xx->disable_nb[i].nb);
1379 		if (ret) {
1380 			dev_err(component->dev,
1381 				"Failed to request regulator notifier: %d\n",
1382 				ret);
1383 			return ret;
1384 		}
1385 	}
1386 
1387 	regcache_cache_only(aic31xx->regmap, true);
1388 	regcache_mark_dirty(aic31xx->regmap);
1389 
1390 	ret = aic31xx_add_controls(component);
1391 	if (ret)
1392 		return ret;
1393 
1394 	ret = aic31xx_add_widgets(component);
1395 	if (ret)
1396 		return ret;
1397 
1398 	/* set output common-mode voltage */
1399 	snd_soc_component_update_bits(component, AIC31XX_HPDRIVER,
1400 				      AIC31XX_HPD_OCMV_MASK,
1401 				      aic31xx->ocmv << AIC31XX_HPD_OCMV_SHIFT);
1402 
1403 	return 0;
1404 }
1405 
1406 static const struct snd_soc_component_driver soc_codec_driver_aic31xx = {
1407 	.probe			= aic31xx_codec_probe,
1408 	.set_jack		= aic31xx_set_jack,
1409 	.set_bias_level		= aic31xx_set_bias_level,
1410 	.controls		= common31xx_snd_controls,
1411 	.num_controls		= ARRAY_SIZE(common31xx_snd_controls),
1412 	.dapm_widgets		= common31xx_dapm_widgets,
1413 	.num_dapm_widgets	= ARRAY_SIZE(common31xx_dapm_widgets),
1414 	.dapm_routes		= common31xx_audio_map,
1415 	.num_dapm_routes	= ARRAY_SIZE(common31xx_audio_map),
1416 	.suspend_bias_off	= 1,
1417 	.idle_bias_on		= 1,
1418 	.use_pmdown_time	= 1,
1419 	.endianness		= 1,
1420 };
1421 
1422 static const struct snd_soc_dai_ops aic31xx_dai_ops = {
1423 	.hw_params	= aic31xx_hw_params,
1424 	.set_sysclk	= aic31xx_set_dai_sysclk,
1425 	.set_fmt	= aic31xx_set_dai_fmt,
1426 	.mute_stream	= aic31xx_dac_mute,
1427 	.no_capture_mute = 1,
1428 };
1429 
1430 static struct snd_soc_dai_driver dac31xx_dai_driver[] = {
1431 	{
1432 		.name = "tlv320dac31xx-hifi",
1433 		.playback = {
1434 			.stream_name	 = "Playback",
1435 			.channels_min	 = 2,
1436 			.channels_max	 = 2,
1437 			.rates		 = AIC31XX_RATES,
1438 			.formats	 = AIC31XX_FORMATS,
1439 		},
1440 		.ops = &aic31xx_dai_ops,
1441 		.symmetric_rate = 1,
1442 	}
1443 };
1444 
1445 static struct snd_soc_dai_driver aic31xx_dai_driver[] = {
1446 	{
1447 		.name = "tlv320aic31xx-hifi",
1448 		.playback = {
1449 			.stream_name	 = "Playback",
1450 			.channels_min	 = 2,
1451 			.channels_max	 = 2,
1452 			.rates		 = AIC31XX_RATES,
1453 			.formats	 = AIC31XX_FORMATS,
1454 		},
1455 		.capture = {
1456 			.stream_name	 = "Capture",
1457 			.channels_min	 = 2,
1458 			.channels_max	 = 2,
1459 			.rates		 = AIC31XX_RATES,
1460 			.formats	 = AIC31XX_FORMATS,
1461 		},
1462 		.ops = &aic31xx_dai_ops,
1463 		.symmetric_rate = 1,
1464 	}
1465 };
1466 
1467 #if defined(CONFIG_OF)
1468 static const struct of_device_id tlv320aic31xx_of_match[] = {
1469 	{ .compatible = "ti,tlv320aic310x" },
1470 	{ .compatible = "ti,tlv320aic311x" },
1471 	{ .compatible = "ti,tlv320aic3100" },
1472 	{ .compatible = "ti,tlv320aic3110" },
1473 	{ .compatible = "ti,tlv320aic3120" },
1474 	{ .compatible = "ti,tlv320aic3111" },
1475 	{ .compatible = "ti,tlv320dac3100" },
1476 	{ .compatible = "ti,tlv320dac3101" },
1477 	{},
1478 };
1479 MODULE_DEVICE_TABLE(of, tlv320aic31xx_of_match);
1480 #endif /* CONFIG_OF */
1481 
1482 #ifdef CONFIG_ACPI
1483 static const struct acpi_device_id aic31xx_acpi_match[] = {
1484 	{ "10TI3100", 0 },
1485 	{ }
1486 };
1487 MODULE_DEVICE_TABLE(acpi, aic31xx_acpi_match);
1488 #endif
1489 
1490 static irqreturn_t aic31xx_irq(int irq, void *data)
1491 {
1492 	struct aic31xx_priv *aic31xx = data;
1493 	struct device *dev = aic31xx->dev;
1494 	unsigned int value;
1495 	bool handled = false;
1496 	int ret;
1497 
1498 	ret = regmap_read(aic31xx->regmap, AIC31XX_INTRDACFLAG, &value);
1499 	if (ret) {
1500 		dev_err(dev, "Failed to read interrupt mask: %d\n", ret);
1501 		goto exit;
1502 	}
1503 
1504 	if (value)
1505 		handled = true;
1506 	else
1507 		goto read_overflow;
1508 
1509 	if (value & AIC31XX_HPLSCDETECT)
1510 		dev_err(dev, "Short circuit on Left output is detected\n");
1511 	if (value & AIC31XX_HPRSCDETECT)
1512 		dev_err(dev, "Short circuit on Right output is detected\n");
1513 	if (value & (AIC31XX_HSPLUG | AIC31XX_BUTTONPRESS)) {
1514 		unsigned int val;
1515 		int status = 0;
1516 
1517 		ret = regmap_read(aic31xx->regmap, AIC31XX_INTRDACFLAG2,
1518 				  &val);
1519 		if (ret) {
1520 			dev_err(dev, "Failed to read interrupt mask: %d\n",
1521 				ret);
1522 			goto exit;
1523 		}
1524 
1525 		if (val & AIC31XX_BUTTONPRESS)
1526 			status |= SND_JACK_BTN_0;
1527 
1528 		ret = regmap_read(aic31xx->regmap, AIC31XX_HSDETECT, &val);
1529 		if (ret) {
1530 			dev_err(dev, "Failed to read headset type: %d\n", ret);
1531 			goto exit;
1532 		}
1533 
1534 		switch ((val & AIC31XX_HSD_TYPE_MASK) >>
1535 			AIC31XX_HSD_TYPE_SHIFT) {
1536 		case AIC31XX_HSD_HP:
1537 			status |= SND_JACK_HEADPHONE;
1538 			break;
1539 		case AIC31XX_HSD_HS:
1540 			status |= SND_JACK_HEADSET;
1541 			break;
1542 		default:
1543 			break;
1544 		}
1545 
1546 		if (aic31xx->jack)
1547 			snd_soc_jack_report(aic31xx->jack, status,
1548 					    AIC31XX_JACK_MASK);
1549 	}
1550 	if (value & ~(AIC31XX_HPLSCDETECT |
1551 		      AIC31XX_HPRSCDETECT |
1552 		      AIC31XX_HSPLUG |
1553 		      AIC31XX_BUTTONPRESS))
1554 		dev_err(dev, "Unknown DAC interrupt flags: 0x%08x\n", value);
1555 
1556 read_overflow:
1557 	ret = regmap_read(aic31xx->regmap, AIC31XX_OFFLAG, &value);
1558 	if (ret) {
1559 		dev_err(dev, "Failed to read overflow flag: %d\n", ret);
1560 		goto exit;
1561 	}
1562 
1563 	if (value)
1564 		handled = true;
1565 	else
1566 		goto exit;
1567 
1568 	if (value & AIC31XX_DAC_OF_LEFT)
1569 		dev_warn(dev, "Left-channel DAC overflow has occurred\n");
1570 	if (value & AIC31XX_DAC_OF_RIGHT)
1571 		dev_warn(dev, "Right-channel DAC overflow has occurred\n");
1572 	if (value & AIC31XX_DAC_OF_SHIFTER)
1573 		dev_warn(dev, "DAC barrel shifter overflow has occurred\n");
1574 	if (value & AIC31XX_ADC_OF)
1575 		dev_warn(dev, "ADC overflow has occurred\n");
1576 	if (value & AIC31XX_ADC_OF_SHIFTER)
1577 		dev_warn(dev, "ADC barrel shifter overflow has occurred\n");
1578 	if (value & ~(AIC31XX_DAC_OF_LEFT |
1579 		      AIC31XX_DAC_OF_RIGHT |
1580 		      AIC31XX_DAC_OF_SHIFTER |
1581 		      AIC31XX_ADC_OF |
1582 		      AIC31XX_ADC_OF_SHIFTER))
1583 		dev_warn(dev, "Unknown overflow interrupt flags: 0x%08x\n", value);
1584 
1585 exit:
1586 	if (handled)
1587 		return IRQ_HANDLED;
1588 	else
1589 		return IRQ_NONE;
1590 }
1591 
1592 static void aic31xx_configure_ocmv(struct aic31xx_priv *priv)
1593 {
1594 	struct device *dev = priv->dev;
1595 	int dvdd, avdd;
1596 	u32 value;
1597 
1598 	if (dev->fwnode &&
1599 	    fwnode_property_read_u32(dev->fwnode, "ai31xx-ocmv", &value)) {
1600 		/* OCMV setting is forced by DT */
1601 		if (value <= 3) {
1602 			priv->ocmv = value;
1603 			return;
1604 		}
1605 	}
1606 
1607 	avdd = regulator_get_voltage(priv->supplies[3].consumer);
1608 	dvdd = regulator_get_voltage(priv->supplies[5].consumer);
1609 
1610 	if (avdd > 3600000 || dvdd > 1950000) {
1611 		dev_warn(dev,
1612 			 "Too high supply voltage(s) AVDD: %d, DVDD: %d\n",
1613 			 avdd, dvdd);
1614 	} else if (avdd == 3600000 && dvdd == 1950000) {
1615 		priv->ocmv = AIC31XX_HPD_OCMV_1_8V;
1616 	} else if (avdd >= 3300000 && dvdd >= 1800000) {
1617 		priv->ocmv = AIC31XX_HPD_OCMV_1_65V;
1618 	} else if (avdd >= 3000000 && dvdd >= 1650000) {
1619 		priv->ocmv = AIC31XX_HPD_OCMV_1_5V;
1620 	} else if (avdd >= 2700000 && dvdd >= 1525000) {
1621 		priv->ocmv = AIC31XX_HPD_OCMV_1_35V;
1622 	} else {
1623 		dev_warn(dev,
1624 			 "Invalid supply voltage(s) AVDD: %d, DVDD: %d\n",
1625 			 avdd, dvdd);
1626 	}
1627 }
1628 
1629 static const struct i2c_device_id aic31xx_i2c_id[] = {
1630 	{ "tlv320aic310x", AIC3100 },
1631 	{ "tlv320aic311x", AIC3110 },
1632 	{ "tlv320aic3100", AIC3100 },
1633 	{ "tlv320aic3110", AIC3110 },
1634 	{ "tlv320aic3120", AIC3120 },
1635 	{ "tlv320aic3111", AIC3111 },
1636 	{ "tlv320dac3100", DAC3100 },
1637 	{ "tlv320dac3101", DAC3101 },
1638 	{ }
1639 };
1640 MODULE_DEVICE_TABLE(i2c, aic31xx_i2c_id);
1641 
1642 static int aic31xx_i2c_probe(struct i2c_client *i2c)
1643 {
1644 	struct aic31xx_priv *aic31xx;
1645 	unsigned int micbias_value = MICBIAS_2_0V;
1646 	const struct i2c_device_id *id = i2c_match_id(aic31xx_i2c_id, i2c);
1647 	int i, ret;
1648 
1649 	dev_dbg(&i2c->dev, "## %s: %s codec_type = %d\n", __func__,
1650 		id->name, (int)id->driver_data);
1651 
1652 	aic31xx = devm_kzalloc(&i2c->dev, sizeof(*aic31xx), GFP_KERNEL);
1653 	if (!aic31xx)
1654 		return -ENOMEM;
1655 
1656 	aic31xx->regmap = devm_regmap_init_i2c(i2c, &aic31xx_i2c_regmap);
1657 	if (IS_ERR(aic31xx->regmap)) {
1658 		ret = PTR_ERR(aic31xx->regmap);
1659 		dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1660 			ret);
1661 		return ret;
1662 	}
1663 	regcache_cache_only(aic31xx->regmap, true);
1664 
1665 	aic31xx->dev = &i2c->dev;
1666 	aic31xx->irq = i2c->irq;
1667 
1668 	aic31xx->codec_type = id->driver_data;
1669 
1670 	dev_set_drvdata(aic31xx->dev, aic31xx);
1671 
1672 	fwnode_property_read_u32(aic31xx->dev->fwnode, "ai31xx-micbias-vg",
1673 				 &micbias_value);
1674 	switch (micbias_value) {
1675 	case MICBIAS_2_0V:
1676 	case MICBIAS_2_5V:
1677 	case MICBIAS_AVDDV:
1678 		aic31xx->micbias_vg = micbias_value;
1679 		break;
1680 	default:
1681 		dev_err(aic31xx->dev, "Bad ai31xx-micbias-vg value %d\n",
1682 			micbias_value);
1683 		aic31xx->micbias_vg = MICBIAS_2_0V;
1684 	}
1685 
1686 	if (dev_get_platdata(aic31xx->dev)) {
1687 		memcpy(&aic31xx->pdata, dev_get_platdata(aic31xx->dev), sizeof(aic31xx->pdata));
1688 		aic31xx->codec_type = aic31xx->pdata.codec_type;
1689 		aic31xx->micbias_vg = aic31xx->pdata.micbias_vg;
1690 	}
1691 
1692 	aic31xx->gpio_reset = devm_gpiod_get_optional(aic31xx->dev, "reset",
1693 						      GPIOD_OUT_LOW);
1694 	if (IS_ERR(aic31xx->gpio_reset))
1695 		return dev_err_probe(aic31xx->dev, PTR_ERR(aic31xx->gpio_reset),
1696 				     "not able to acquire gpio\n");
1697 
1698 	for (i = 0; i < ARRAY_SIZE(aic31xx->supplies); i++)
1699 		aic31xx->supplies[i].supply = aic31xx_supply_names[i];
1700 
1701 	ret = devm_regulator_bulk_get(aic31xx->dev,
1702 				      ARRAY_SIZE(aic31xx->supplies),
1703 				      aic31xx->supplies);
1704 	if (ret)
1705 		return dev_err_probe(aic31xx->dev, ret, "Failed to request supplies\n");
1706 
1707 	aic31xx_configure_ocmv(aic31xx);
1708 
1709 	if (aic31xx->irq > 0) {
1710 		regmap_update_bits(aic31xx->regmap, AIC31XX_GPIO1,
1711 				   AIC31XX_GPIO1_FUNC_MASK,
1712 				   AIC31XX_GPIO1_INT1 <<
1713 				   AIC31XX_GPIO1_FUNC_SHIFT);
1714 
1715 		regmap_write(aic31xx->regmap, AIC31XX_INT1CTRL,
1716 			     AIC31XX_HSPLUGDET |
1717 			     AIC31XX_BUTTONPRESSDET |
1718 			     AIC31XX_SC |
1719 			     AIC31XX_ENGINE);
1720 
1721 		ret = devm_request_threaded_irq(aic31xx->dev, aic31xx->irq,
1722 						NULL, aic31xx_irq,
1723 						IRQF_ONESHOT, "aic31xx-irq",
1724 						aic31xx);
1725 		if (ret) {
1726 			dev_err(aic31xx->dev, "Unable to request IRQ\n");
1727 			return ret;
1728 		}
1729 	}
1730 
1731 	if (aic31xx->codec_type & DAC31XX_BIT)
1732 		return devm_snd_soc_register_component(&i2c->dev,
1733 				&soc_codec_driver_aic31xx,
1734 				dac31xx_dai_driver,
1735 				ARRAY_SIZE(dac31xx_dai_driver));
1736 	else
1737 		return devm_snd_soc_register_component(&i2c->dev,
1738 				&soc_codec_driver_aic31xx,
1739 				aic31xx_dai_driver,
1740 				ARRAY_SIZE(aic31xx_dai_driver));
1741 }
1742 
1743 static struct i2c_driver aic31xx_i2c_driver = {
1744 	.driver = {
1745 		.name	= "tlv320aic31xx-codec",
1746 		.of_match_table = of_match_ptr(tlv320aic31xx_of_match),
1747 		.acpi_match_table = ACPI_PTR(aic31xx_acpi_match),
1748 	},
1749 	.probe		= aic31xx_i2c_probe,
1750 	.id_table	= aic31xx_i2c_id,
1751 };
1752 module_i2c_driver(aic31xx_i2c_driver);
1753 
1754 MODULE_AUTHOR("Jyri Sarha <jsarha@ti.com>");
1755 MODULE_DESCRIPTION("ASoC TLV320AIC31xx CODEC Driver");
1756 MODULE_LICENSE("GPL v2");
1757