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
39static int aic31xx_set_jack(struct snd_soc_component *component,
40                            struct snd_soc_jack *jack, void *data);
41
42static 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
83static 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
103static 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
120static 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
132static 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
145static 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
156struct aic31xx_disable_nb {
157	struct notifier_block nb;
158	struct aic31xx_priv *aic31xx;
159};
160
161struct 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
182struct 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 */
197static 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
265static const char * const ldac_in_text[] = {
266	"Off", "Left Data", "Right Data", "Mono"
267};
268
269static const char * const rdac_in_text[] = {
270	"Off", "Right Data", "Left Data", "Mono"
271};
272
273static SOC_ENUM_SINGLE_DECL(ldac_in_enum, AIC31XX_DACSETUP, 4, ldac_in_text);
274
275static SOC_ENUM_SINGLE_DECL(rdac_in_enum, AIC31XX_DACSETUP, 2, rdac_in_text);
276
277static const char * const mic_select_text[] = {
278	"Off", "FFR 10 Ohm", "FFR 20 Ohm", "FFR 40 Ohm"
279};
280
281static SOC_ENUM_SINGLE_DECL(mic1lp_p_enum, AIC31XX_MICPGAPI, 6,
282	mic_select_text);
283static SOC_ENUM_SINGLE_DECL(mic1rp_p_enum, AIC31XX_MICPGAPI, 4,
284	mic_select_text);
285static SOC_ENUM_SINGLE_DECL(mic1lm_p_enum, AIC31XX_MICPGAPI, 2,
286	mic_select_text);
287
288static SOC_ENUM_SINGLE_DECL(mic1lm_m_enum, AIC31XX_MICPGAMI, 4,
289	mic_select_text);
290
291static 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
295static SOC_ENUM_SINGLE_DECL(hp_poweron_time_enum, AIC31XX_HPPOP, 3,
296	hp_poweron_time_text);
297
298static const char * const hp_rampup_step_text[] = {
299	"0ms", "0.98ms", "1.95ms", "3.9ms" };
300
301static SOC_ENUM_SINGLE_DECL(hp_rampup_step_enum, AIC31XX_HPPOP, 1,
302	hp_rampup_step_text);
303
304static const char * const vol_soft_step_mode_text[] = {
305	"fast", "slow", "disabled" };
306
307static SOC_ENUM_SINGLE_DECL(vol_soft_step_mode_enum, AIC31XX_DACSETUP, 0,
308	vol_soft_step_mode_text);
309
310static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -6350, 50, 0);
311static const DECLARE_TLV_DB_SCALE(adc_fgain_tlv, 0, 10, 0);
312static const DECLARE_TLV_DB_SCALE(adc_cgain_tlv, -2000, 50, 0);
313static const DECLARE_TLV_DB_SCALE(mic_pga_tlv, 0, 50, 0);
314static const DECLARE_TLV_DB_SCALE(hp_drv_tlv, 0, 100, 0);
315static const DECLARE_TLV_DB_SCALE(class_D_drv_tlv, 600, 600, 0);
316static const DECLARE_TLV_DB_SCALE(hp_vol_tlv, -6350, 50, 0);
317static const DECLARE_TLV_DB_SCALE(sp_vol_tlv, -6350, 50, 0);
318
319/*
320 * controls to be exported to the user space
321 */
322static 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
345static 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
357static 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
367static 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
377static const struct snd_kcontrol_new ldac_in_control =
378	SOC_DAPM_ENUM("DAC Left Input", ldac_in_enum);
379
380static const struct snd_kcontrol_new rdac_in_control =
381	SOC_DAPM_ENUM("DAC Right Input", rdac_in_enum);
382
383static 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
408static 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
465static 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
471static 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
476static 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
482static 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
487static const struct snd_kcontrol_new p_term_mic1lp =
488	SOC_DAPM_ENUM("MIC1LP P-Terminal", mic1lp_p_enum);
489
490static const struct snd_kcontrol_new p_term_mic1rp =
491	SOC_DAPM_ENUM("MIC1RP P-Terminal", mic1rp_p_enum);
492
493static const struct snd_kcontrol_new p_term_mic1lm =
494	SOC_DAPM_ENUM("MIC1LM P-Terminal", mic1lm_p_enum);
495
496static const struct snd_kcontrol_new m_term_mic1lm =
497	SOC_DAPM_ENUM("MIC1LM M-Terminal", mic1lm_m_enum);
498
499static const struct snd_kcontrol_new aic31xx_dapm_hpl_switch =
500	SOC_DAPM_SINGLE("Switch", AIC31XX_LANALOGHPL, 7, 1, 0);
501
502static const struct snd_kcontrol_new aic31xx_dapm_hpr_switch =
503	SOC_DAPM_SINGLE("Switch", AIC31XX_RANALOGHPR, 7, 1, 0);
504
505static const struct snd_kcontrol_new aic31xx_dapm_spl_switch =
506	SOC_DAPM_SINGLE("Switch", AIC31XX_LANALOGSPL, 7, 1, 0);
507
508static const struct snd_kcontrol_new aic31xx_dapm_spr_switch =
509	SOC_DAPM_SINGLE("Switch", AIC31XX_RANALOGSPR, 7, 1, 0);
510
511static 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
536static 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
579static 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
593static 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
630static 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 */
647static 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
656static const struct snd_soc_dapm_route
657common31xx_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
679static const struct snd_soc_dapm_route
680dac31xx_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
691static const struct snd_soc_dapm_route
692aic31xx_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
727static const struct snd_soc_dapm_route
728aic311x_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
740static const struct snd_soc_dapm_route
741aic310x_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 */
758static const struct snd_soc_dapm_route
759common31xx_cm_audio_map[] = {
760	{"HPL", NULL, "AIF IN"},
761	{"HPR", NULL, "AIF IN"},
762
763	{"AIF IN", NULL, "Activate I2S clocks"},
764};
765
766static const struct snd_soc_dapm_route
767aic31xx_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
775static 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
799static 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
856static 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
962static 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
1012static 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
1029static 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
1076static 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
1159static 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
1198static 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
1220static 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
1236static 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
1255static 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
1269static 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
1306static 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
1315static 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
1349static 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
1363static 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
1406static 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
1422static 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
1430static 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
1445static 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)
1468static 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};
1479MODULE_DEVICE_TABLE(of, tlv320aic31xx_of_match);
1480#endif /* CONFIG_OF */
1481
1482#ifdef CONFIG_ACPI
1483static const struct acpi_device_id aic31xx_acpi_match[] = {
1484	{ "10TI3100", 0 },
1485	{ }
1486};
1487MODULE_DEVICE_TABLE(acpi, aic31xx_acpi_match);
1488#endif
1489
1490static 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
1556read_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
1585exit:
1586	if (handled)
1587		return IRQ_HANDLED;
1588	else
1589		return IRQ_NONE;
1590}
1591
1592static 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
1629static 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};
1640MODULE_DEVICE_TABLE(i2c, aic31xx_i2c_id);
1641
1642static 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
1743static 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};
1752module_i2c_driver(aic31xx_i2c_driver);
1753
1754MODULE_AUTHOR("Jyri Sarha <jsarha@ti.com>");
1755MODULE_DESCRIPTION("ASoC TLV320AIC31xx CODEC Driver");
1756MODULE_LICENSE("GPL v2");
1757