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