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22#include <linux/module.h>
23#include <linux/moduleparam.h>
24#include <linux/init.h>
25#include <linux/delay.h>
26#include <linux/pm.h>
27#include <linux/platform_device.h>
28#include <linux/slab.h>
29#include <linux/mfd/twl6040.h>
30
31#include <sound/core.h>
32#include <sound/pcm.h>
33#include <sound/pcm_params.h>
34#include <sound/soc.h>
35#include <sound/soc-dapm.h>
36#include <sound/initval.h>
37#include <sound/tlv.h>
38
39#include "twl6040.h"
40
41enum twl6040_dai_id {
42 TWL6040_DAI_LEGACY = 0,
43 TWL6040_DAI_UL,
44 TWL6040_DAI_DL1,
45 TWL6040_DAI_DL2,
46 TWL6040_DAI_VIB,
47};
48
49#define TWL6040_RATES SNDRV_PCM_RATE_8000_96000
50#define TWL6040_FORMATS (SNDRV_PCM_FMTBIT_S32_LE)
51
52#define TWL6040_OUTHS_0dB 0x00
53#define TWL6040_OUTHS_M30dB 0x0F
54#define TWL6040_OUTHF_0dB 0x03
55#define TWL6040_OUTHF_M52dB 0x1D
56
57#define TWL6040_CACHEREGNUM (TWL6040_REG_STATUS + 1)
58
59struct twl6040_jack_data {
60 struct snd_soc_jack *jack;
61 struct delayed_work work;
62 int report;
63};
64
65
66struct twl6040_data {
67 int plug_irq;
68 int codec_powered;
69 int pll;
70 int pll_power_mode;
71 int hs_power_mode;
72 int hs_power_mode_locked;
73 bool dl1_unmuted;
74 bool dl2_unmuted;
75 u8 dl12_cache[TWL6040_REG_HFRCTL - TWL6040_REG_HSLCTL + 1];
76 unsigned int clk_in;
77 unsigned int sysclk;
78 struct twl6040_jack_data hs_jack;
79 struct snd_soc_codec *codec;
80 struct mutex mutex;
81};
82
83
84static const unsigned int lp_rates[] = {
85 8000,
86 11250,
87 16000,
88 22500,
89 32000,
90 44100,
91 48000,
92 88200,
93 96000,
94};
95
96static const unsigned int hp_rates[] = {
97 8000,
98 16000,
99 32000,
100 48000,
101 96000,
102};
103
104static const struct snd_pcm_hw_constraint_list sysclk_constraints[] = {
105 { .count = ARRAY_SIZE(lp_rates), .list = lp_rates, },
106 { .count = ARRAY_SIZE(hp_rates), .list = hp_rates, },
107};
108
109static unsigned int twl6040_read(struct snd_soc_codec *codec, unsigned int reg)
110{
111 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
112 struct twl6040 *twl6040 = codec->control_data;
113 u8 value;
114
115 if (reg >= TWL6040_CACHEREGNUM)
116 return -EIO;
117
118 switch (reg) {
119 case TWL6040_REG_HSLCTL:
120 case TWL6040_REG_HSRCTL:
121 case TWL6040_REG_EARCTL:
122 case TWL6040_REG_HFLCTL:
123 case TWL6040_REG_HFRCTL:
124 value = priv->dl12_cache[reg - TWL6040_REG_HSLCTL];
125 break;
126 default:
127 value = twl6040_reg_read(twl6040, reg);
128 break;
129 }
130
131 return value;
132}
133
134static bool twl6040_can_write_to_chip(struct snd_soc_codec *codec,
135 unsigned int reg)
136{
137 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
138
139 switch (reg) {
140 case TWL6040_REG_HSLCTL:
141 case TWL6040_REG_HSRCTL:
142 case TWL6040_REG_EARCTL:
143
144 return priv->dl1_unmuted;
145 case TWL6040_REG_HFLCTL:
146 case TWL6040_REG_HFRCTL:
147 return priv->dl2_unmuted;
148 default:
149 return 1;
150 }
151}
152
153static inline void twl6040_update_dl12_cache(struct snd_soc_codec *codec,
154 u8 reg, u8 value)
155{
156 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
157
158 switch (reg) {
159 case TWL6040_REG_HSLCTL:
160 case TWL6040_REG_HSRCTL:
161 case TWL6040_REG_EARCTL:
162 case TWL6040_REG_HFLCTL:
163 case TWL6040_REG_HFRCTL:
164 priv->dl12_cache[reg - TWL6040_REG_HSLCTL] = value;
165 break;
166 default:
167 break;
168 }
169}
170
171static int twl6040_write(struct snd_soc_codec *codec,
172 unsigned int reg, unsigned int value)
173{
174 struct twl6040 *twl6040 = codec->control_data;
175
176 if (reg >= TWL6040_CACHEREGNUM)
177 return -EIO;
178
179 twl6040_update_dl12_cache(codec, reg, value);
180 if (twl6040_can_write_to_chip(codec, reg))
181 return twl6040_reg_write(twl6040, reg, value);
182 else
183 return 0;
184}
185
186static void twl6040_init_chip(struct snd_soc_codec *codec)
187{
188 twl6040_read(codec, TWL6040_REG_TRIM1);
189 twl6040_read(codec, TWL6040_REG_TRIM2);
190 twl6040_read(codec, TWL6040_REG_TRIM3);
191 twl6040_read(codec, TWL6040_REG_HSOTRIM);
192 twl6040_read(codec, TWL6040_REG_HFOTRIM);
193
194
195
196 twl6040_write(codec, TWL6040_REG_MICLCTL, 0x18);
197 twl6040_write(codec, TWL6040_REG_MICRCTL, 0x18);
198
199
200
201
202
203
204 twl6040_write(codec, TWL6040_REG_HSGAIN, 0xff);
205 twl6040_write(codec, TWL6040_REG_EARCTL, 0x1e);
206 twl6040_write(codec, TWL6040_REG_HFLGAIN, 0x1d);
207 twl6040_write(codec, TWL6040_REG_HFRGAIN, 0x1d);
208 twl6040_write(codec, TWL6040_REG_LINEGAIN, 0);
209}
210
211
212static int headset_power_mode(struct snd_soc_codec *codec, int high_perf)
213{
214 int hslctl, hsrctl;
215 int mask = TWL6040_HSDRVMODE | TWL6040_HSDACMODE;
216
217 hslctl = twl6040_read(codec, TWL6040_REG_HSLCTL);
218 hsrctl = twl6040_read(codec, TWL6040_REG_HSRCTL);
219
220 if (high_perf) {
221 hslctl &= ~mask;
222 hsrctl &= ~mask;
223 } else {
224 hslctl |= mask;
225 hsrctl |= mask;
226 }
227
228 twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl);
229 twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl);
230
231 return 0;
232}
233
234static int twl6040_hs_dac_event(struct snd_soc_dapm_widget *w,
235 struct snd_kcontrol *kcontrol, int event)
236{
237 struct snd_soc_codec *codec = w->codec;
238 u8 hslctl, hsrctl;
239
240
241
242
243
244
245 hslctl = twl6040_read(codec, TWL6040_REG_HSLCTL);
246 hsrctl = twl6040_read(codec, TWL6040_REG_HSRCTL);
247 if (SND_SOC_DAPM_EVENT_ON(event)) {
248 hslctl |= TWL6040_HSDACENA;
249 hsrctl |= TWL6040_HSDACENA;
250 } else {
251 hslctl &= ~TWL6040_HSDACENA;
252 hsrctl &= ~TWL6040_HSDACENA;
253 }
254 twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl);
255 twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl);
256
257 msleep(1);
258 return 0;
259}
260
261static int twl6040_ep_drv_event(struct snd_soc_dapm_widget *w,
262 struct snd_kcontrol *kcontrol, int event)
263{
264 struct snd_soc_codec *codec = w->codec;
265 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
266 int ret = 0;
267
268 if (SND_SOC_DAPM_EVENT_ON(event)) {
269
270 priv->hs_power_mode_locked = 1;
271 ret = headset_power_mode(codec, 1);
272 } else {
273 priv->hs_power_mode_locked = 0;
274 ret = headset_power_mode(codec, priv->hs_power_mode);
275 }
276
277 msleep(1);
278
279 return ret;
280}
281
282static void twl6040_hs_jack_report(struct snd_soc_codec *codec,
283 struct snd_soc_jack *jack, int report)
284{
285 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
286 int status;
287
288 mutex_lock(&priv->mutex);
289
290
291 status = twl6040_read(codec, TWL6040_REG_STATUS);
292 if (status & TWL6040_PLUGCOMP)
293 snd_soc_jack_report(jack, report, report);
294 else
295 snd_soc_jack_report(jack, 0, report);
296
297 mutex_unlock(&priv->mutex);
298}
299
300void twl6040_hs_jack_detect(struct snd_soc_codec *codec,
301 struct snd_soc_jack *jack, int report)
302{
303 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
304 struct twl6040_jack_data *hs_jack = &priv->hs_jack;
305
306 hs_jack->jack = jack;
307 hs_jack->report = report;
308
309 twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
310}
311EXPORT_SYMBOL_GPL(twl6040_hs_jack_detect);
312
313static void twl6040_accessory_work(struct work_struct *work)
314{
315 struct twl6040_data *priv = container_of(work,
316 struct twl6040_data, hs_jack.work.work);
317 struct snd_soc_codec *codec = priv->codec;
318 struct twl6040_jack_data *hs_jack = &priv->hs_jack;
319
320 twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
321}
322
323
324static irqreturn_t twl6040_audio_handler(int irq, void *data)
325{
326 struct snd_soc_codec *codec = data;
327 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
328
329 queue_delayed_work(system_power_efficient_wq,
330 &priv->hs_jack.work, msecs_to_jiffies(200));
331
332 return IRQ_HANDLED;
333}
334
335static int twl6040_soc_dapm_put_vibra_enum(struct snd_kcontrol *kcontrol,
336 struct snd_ctl_elem_value *ucontrol)
337{
338 struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
339 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
340 unsigned int val;
341
342
343 val = twl6040_read(codec, e->reg);
344 if (val & TWL6040_VIBENA && !(val & TWL6040_VIBSEL))
345 return -EBUSY;
346
347 return snd_soc_dapm_put_enum_double(kcontrol, ucontrol);
348}
349
350
351
352
353
354static DECLARE_TLV_DB_SCALE(mic_preamp_tlv, -600, 600, 0);
355
356
357
358
359
360static DECLARE_TLV_DB_SCALE(mic_amp_tlv, 600, 600, 0);
361
362
363
364
365
366static DECLARE_TLV_DB_SCALE(afm_amp_tlv, -1800, 600, 0);
367
368
369
370
371
372static DECLARE_TLV_DB_SCALE(hs_tlv, -3000, 200, 0);
373
374
375
376
377
378static DECLARE_TLV_DB_SCALE(hf_tlv, -5200, 200, 0);
379
380
381
382
383
384static DECLARE_TLV_DB_SCALE(ep_tlv, -2400, 200, 0);
385
386
387static const char *twl6040_amicl_texts[] =
388 {"Headset Mic", "Main Mic", "Aux/FM Left", "Off"};
389
390
391static const char *twl6040_amicr_texts[] =
392 {"Headset Mic", "Sub Mic", "Aux/FM Right", "Off"};
393
394static const struct soc_enum twl6040_enum[] = {
395 SOC_ENUM_SINGLE(TWL6040_REG_MICLCTL, 3,
396 ARRAY_SIZE(twl6040_amicl_texts), twl6040_amicl_texts),
397 SOC_ENUM_SINGLE(TWL6040_REG_MICRCTL, 3,
398 ARRAY_SIZE(twl6040_amicr_texts), twl6040_amicr_texts),
399};
400
401static const char *twl6040_hs_texts[] = {
402 "Off", "HS DAC", "Line-In amp"
403};
404
405static const struct soc_enum twl6040_hs_enum[] = {
406 SOC_ENUM_SINGLE(TWL6040_REG_HSLCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
407 twl6040_hs_texts),
408 SOC_ENUM_SINGLE(TWL6040_REG_HSRCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
409 twl6040_hs_texts),
410};
411
412static const char *twl6040_hf_texts[] = {
413 "Off", "HF DAC", "Line-In amp"
414};
415
416static const struct soc_enum twl6040_hf_enum[] = {
417 SOC_ENUM_SINGLE(TWL6040_REG_HFLCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
418 twl6040_hf_texts),
419 SOC_ENUM_SINGLE(TWL6040_REG_HFRCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
420 twl6040_hf_texts),
421};
422
423static const char *twl6040_vibrapath_texts[] = {
424 "Input FF", "Audio PDM"
425};
426
427static const struct soc_enum twl6040_vibra_enum[] = {
428 SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLL, 1,
429 ARRAY_SIZE(twl6040_vibrapath_texts),
430 twl6040_vibrapath_texts),
431 SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLR, 1,
432 ARRAY_SIZE(twl6040_vibrapath_texts),
433 twl6040_vibrapath_texts),
434};
435
436static const struct snd_kcontrol_new amicl_control =
437 SOC_DAPM_ENUM("Route", twl6040_enum[0]);
438
439static const struct snd_kcontrol_new amicr_control =
440 SOC_DAPM_ENUM("Route", twl6040_enum[1]);
441
442
443static const struct snd_kcontrol_new hsl_mux_controls =
444 SOC_DAPM_ENUM("Route", twl6040_hs_enum[0]);
445
446static const struct snd_kcontrol_new hsr_mux_controls =
447 SOC_DAPM_ENUM("Route", twl6040_hs_enum[1]);
448
449
450static const struct snd_kcontrol_new hfl_mux_controls =
451 SOC_DAPM_ENUM("Route", twl6040_hf_enum[0]);
452
453static const struct snd_kcontrol_new hfr_mux_controls =
454 SOC_DAPM_ENUM("Route", twl6040_hf_enum[1]);
455
456static const struct snd_kcontrol_new ep_path_enable_control =
457 SOC_DAPM_SINGLE_VIRT("Switch", 1);
458
459static const struct snd_kcontrol_new auxl_switch_control =
460 SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFLCTL, 6, 1, 0);
461
462static const struct snd_kcontrol_new auxr_switch_control =
463 SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFRCTL, 6, 1, 0);
464
465
466static const struct snd_kcontrol_new vibral_mux_controls =
467 SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[0],
468 snd_soc_dapm_get_enum_double,
469 twl6040_soc_dapm_put_vibra_enum);
470
471static const struct snd_kcontrol_new vibrar_mux_controls =
472 SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[1],
473 snd_soc_dapm_get_enum_double,
474 twl6040_soc_dapm_put_vibra_enum);
475
476
477static const char *twl6040_power_mode_texts[] = {
478 "Low-Power", "High-Performance",
479};
480
481static SOC_ENUM_SINGLE_EXT_DECL(twl6040_power_mode_enum,
482 twl6040_power_mode_texts);
483
484static int twl6040_headset_power_get_enum(struct snd_kcontrol *kcontrol,
485 struct snd_ctl_elem_value *ucontrol)
486{
487 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
488 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
489
490 ucontrol->value.enumerated.item[0] = priv->hs_power_mode;
491
492 return 0;
493}
494
495static int twl6040_headset_power_put_enum(struct snd_kcontrol *kcontrol,
496 struct snd_ctl_elem_value *ucontrol)
497{
498 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
499 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
500 int high_perf = ucontrol->value.enumerated.item[0];
501 int ret = 0;
502
503 if (!priv->hs_power_mode_locked)
504 ret = headset_power_mode(codec, high_perf);
505
506 if (!ret)
507 priv->hs_power_mode = high_perf;
508
509 return ret;
510}
511
512static int twl6040_pll_get_enum(struct snd_kcontrol *kcontrol,
513 struct snd_ctl_elem_value *ucontrol)
514{
515 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
516 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
517
518 ucontrol->value.enumerated.item[0] = priv->pll_power_mode;
519
520 return 0;
521}
522
523static int twl6040_pll_put_enum(struct snd_kcontrol *kcontrol,
524 struct snd_ctl_elem_value *ucontrol)
525{
526 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
527 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
528
529 priv->pll_power_mode = ucontrol->value.enumerated.item[0];
530
531 return 0;
532}
533
534int twl6040_get_dl1_gain(struct snd_soc_codec *codec)
535{
536 struct snd_soc_dapm_context *dapm = &codec->dapm;
537
538 if (snd_soc_dapm_get_pin_status(dapm, "EP"))
539 return -1;
540
541 if (snd_soc_dapm_get_pin_status(dapm, "HSOR") ||
542 snd_soc_dapm_get_pin_status(dapm, "HSOL")) {
543
544 u8 val = snd_soc_read(codec, TWL6040_REG_HSLCTL);
545 if (val & TWL6040_HSDACMODE)
546
547 return -8;
548 else
549
550 return -1;
551 }
552 return 0;
553}
554EXPORT_SYMBOL_GPL(twl6040_get_dl1_gain);
555
556int twl6040_get_clk_id(struct snd_soc_codec *codec)
557{
558 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
559
560 return priv->pll_power_mode;
561}
562EXPORT_SYMBOL_GPL(twl6040_get_clk_id);
563
564int twl6040_get_trim_value(struct snd_soc_codec *codec, enum twl6040_trim trim)
565{
566 if (unlikely(trim >= TWL6040_TRIM_INVAL))
567 return -EINVAL;
568
569 return twl6040_read(codec, TWL6040_REG_TRIM1 + trim);
570}
571EXPORT_SYMBOL_GPL(twl6040_get_trim_value);
572
573int twl6040_get_hs_step_size(struct snd_soc_codec *codec)
574{
575 struct twl6040 *twl6040 = codec->control_data;
576
577 if (twl6040_get_revid(twl6040) < TWL6040_REV_ES1_3)
578
579 return 2;
580 else
581
582 return 1;
583}
584EXPORT_SYMBOL_GPL(twl6040_get_hs_step_size);
585
586static const struct snd_kcontrol_new twl6040_snd_controls[] = {
587
588 SOC_DOUBLE_TLV("Capture Preamplifier Volume",
589 TWL6040_REG_MICGAIN, 6, 7, 1, 1, mic_preamp_tlv),
590 SOC_DOUBLE_TLV("Capture Volume",
591 TWL6040_REG_MICGAIN, 0, 3, 4, 0, mic_amp_tlv),
592
593
594 SOC_DOUBLE_TLV("Aux FM Volume",
595 TWL6040_REG_LINEGAIN, 0, 3, 7, 0, afm_amp_tlv),
596
597
598 SOC_DOUBLE_TLV("Headset Playback Volume",
599 TWL6040_REG_HSGAIN, 0, 4, 0xF, 1, hs_tlv),
600 SOC_DOUBLE_R_TLV("Handsfree Playback Volume",
601 TWL6040_REG_HFLGAIN, TWL6040_REG_HFRGAIN, 0, 0x1D, 1, hf_tlv),
602 SOC_SINGLE_TLV("Earphone Playback Volume",
603 TWL6040_REG_EARCTL, 1, 0xF, 1, ep_tlv),
604
605 SOC_ENUM_EXT("Headset Power Mode", twl6040_power_mode_enum,
606 twl6040_headset_power_get_enum,
607 twl6040_headset_power_put_enum),
608
609 SOC_ENUM_EXT("PLL Selection", twl6040_power_mode_enum,
610 twl6040_pll_get_enum, twl6040_pll_put_enum),
611};
612
613static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
614
615 SND_SOC_DAPM_INPUT("MAINMIC"),
616 SND_SOC_DAPM_INPUT("HSMIC"),
617 SND_SOC_DAPM_INPUT("SUBMIC"),
618 SND_SOC_DAPM_INPUT("AFML"),
619 SND_SOC_DAPM_INPUT("AFMR"),
620
621
622 SND_SOC_DAPM_OUTPUT("HSOL"),
623 SND_SOC_DAPM_OUTPUT("HSOR"),
624 SND_SOC_DAPM_OUTPUT("HFL"),
625 SND_SOC_DAPM_OUTPUT("HFR"),
626 SND_SOC_DAPM_OUTPUT("EP"),
627 SND_SOC_DAPM_OUTPUT("AUXL"),
628 SND_SOC_DAPM_OUTPUT("AUXR"),
629 SND_SOC_DAPM_OUTPUT("VIBRAL"),
630 SND_SOC_DAPM_OUTPUT("VIBRAR"),
631
632
633 SND_SOC_DAPM_MUX("Analog Left Capture Route",
634 SND_SOC_NOPM, 0, 0, &amicl_control),
635 SND_SOC_DAPM_MUX("Analog Right Capture Route",
636 SND_SOC_NOPM, 0, 0, &amicr_control),
637
638
639 SND_SOC_DAPM_PGA("MicAmpL",
640 TWL6040_REG_MICLCTL, 0, 0, NULL, 0),
641 SND_SOC_DAPM_PGA("MicAmpR",
642 TWL6040_REG_MICRCTL, 0, 0, NULL, 0),
643
644
645 SND_SOC_DAPM_PGA("AFMAmpL",
646 TWL6040_REG_MICLCTL, 1, 0, NULL, 0),
647 SND_SOC_DAPM_PGA("AFMAmpR",
648 TWL6040_REG_MICRCTL, 1, 0, NULL, 0),
649
650
651 SND_SOC_DAPM_ADC("ADC Left", NULL, TWL6040_REG_MICLCTL, 2, 0),
652 SND_SOC_DAPM_ADC("ADC Right", NULL, TWL6040_REG_MICRCTL, 2, 0),
653
654
655 SND_SOC_DAPM_SUPPLY("Headset Mic Bias",
656 TWL6040_REG_AMICBCTL, 0, 0, NULL, 0),
657 SND_SOC_DAPM_SUPPLY("Main Mic Bias",
658 TWL6040_REG_AMICBCTL, 4, 0, NULL, 0),
659 SND_SOC_DAPM_SUPPLY("Digital Mic1 Bias",
660 TWL6040_REG_DMICBCTL, 0, 0, NULL, 0),
661 SND_SOC_DAPM_SUPPLY("Digital Mic2 Bias",
662 TWL6040_REG_DMICBCTL, 4, 0, NULL, 0),
663
664
665 SND_SOC_DAPM_DAC("HSDAC Left", NULL, SND_SOC_NOPM, 0, 0),
666 SND_SOC_DAPM_DAC("HSDAC Right", NULL, SND_SOC_NOPM, 0, 0),
667 SND_SOC_DAPM_DAC("HFDAC Left", NULL, TWL6040_REG_HFLCTL, 0, 0),
668 SND_SOC_DAPM_DAC("HFDAC Right", NULL, TWL6040_REG_HFRCTL, 0, 0),
669
670 SND_SOC_DAPM_DAC("VIBRA DAC", NULL, SND_SOC_NOPM, 0, 0),
671
672 SND_SOC_DAPM_MUX("Handsfree Left Playback",
673 SND_SOC_NOPM, 0, 0, &hfl_mux_controls),
674 SND_SOC_DAPM_MUX("Handsfree Right Playback",
675 SND_SOC_NOPM, 0, 0, &hfr_mux_controls),
676
677 SND_SOC_DAPM_MUX("Headset Left Playback",
678 SND_SOC_NOPM, 0, 0, &hsl_mux_controls),
679 SND_SOC_DAPM_MUX("Headset Right Playback",
680 SND_SOC_NOPM, 0, 0, &hsr_mux_controls),
681
682 SND_SOC_DAPM_MUX("Vibra Left Playback", SND_SOC_NOPM, 0, 0,
683 &vibral_mux_controls),
684 SND_SOC_DAPM_MUX("Vibra Right Playback", SND_SOC_NOPM, 0, 0,
685 &vibrar_mux_controls),
686
687 SND_SOC_DAPM_SWITCH("Earphone Playback", SND_SOC_NOPM, 0, 0,
688 &ep_path_enable_control),
689 SND_SOC_DAPM_SWITCH("AUXL Playback", SND_SOC_NOPM, 0, 0,
690 &auxl_switch_control),
691 SND_SOC_DAPM_SWITCH("AUXR Playback", SND_SOC_NOPM, 0, 0,
692 &auxr_switch_control),
693
694
695 SND_SOC_DAPM_OUT_DRV("HF Left Driver",
696 TWL6040_REG_HFLCTL, 4, 0, NULL, 0),
697 SND_SOC_DAPM_OUT_DRV("HF Right Driver",
698 TWL6040_REG_HFRCTL, 4, 0, NULL, 0),
699 SND_SOC_DAPM_OUT_DRV("HS Left Driver",
700 TWL6040_REG_HSLCTL, 2, 0, NULL, 0),
701 SND_SOC_DAPM_OUT_DRV("HS Right Driver",
702 TWL6040_REG_HSRCTL, 2, 0, NULL, 0),
703 SND_SOC_DAPM_OUT_DRV_E("Earphone Driver",
704 TWL6040_REG_EARCTL, 0, 0, NULL, 0,
705 twl6040_ep_drv_event,
706 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
707 SND_SOC_DAPM_OUT_DRV("Vibra Left Driver",
708 TWL6040_REG_VIBCTLL, 0, 0, NULL, 0),
709 SND_SOC_DAPM_OUT_DRV("Vibra Right Driver",
710 TWL6040_REG_VIBCTLR, 0, 0, NULL, 0),
711
712 SND_SOC_DAPM_SUPPLY("Vibra Left Control", TWL6040_REG_VIBCTLL, 2, 0,
713 NULL, 0),
714 SND_SOC_DAPM_SUPPLY("Vibra Right Control", TWL6040_REG_VIBCTLR, 2, 0,
715 NULL, 0),
716 SND_SOC_DAPM_SUPPLY_S("HSDAC Power", 1, SND_SOC_NOPM, 0, 0,
717 twl6040_hs_dac_event,
718 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
719
720
721 SND_SOC_DAPM_PGA("HF Left PGA",
722 TWL6040_REG_HFLCTL, 1, 0, NULL, 0),
723 SND_SOC_DAPM_PGA("HF Right PGA",
724 TWL6040_REG_HFRCTL, 1, 0, NULL, 0),
725
726};
727
728static const struct snd_soc_dapm_route intercon[] = {
729
730 {"HSDAC Left", NULL, "Legacy Playback"},
731 {"HSDAC Left", NULL, "Headset Playback"},
732 {"HSDAC Right", NULL, "Legacy Playback"},
733 {"HSDAC Right", NULL, "Headset Playback"},
734
735 {"HFDAC Left", NULL, "Legacy Playback"},
736 {"HFDAC Left", NULL, "Handsfree Playback"},
737 {"HFDAC Right", NULL, "Legacy Playback"},
738 {"HFDAC Right", NULL, "Handsfree Playback"},
739
740 {"VIBRA DAC", NULL, "Legacy Playback"},
741 {"VIBRA DAC", NULL, "Vibra Playback"},
742
743
744 {"Legacy Capture" , NULL, "ADC Left"},
745 {"Capture", NULL, "ADC Left"},
746 {"Legacy Capture", NULL, "ADC Right"},
747 {"Capture" , NULL, "ADC Right"},
748
749
750 {"Analog Left Capture Route", "Headset Mic", "HSMIC"},
751 {"Analog Left Capture Route", "Main Mic", "MAINMIC"},
752 {"Analog Left Capture Route", "Aux/FM Left", "AFML"},
753
754 {"Analog Right Capture Route", "Headset Mic", "HSMIC"},
755 {"Analog Right Capture Route", "Sub Mic", "SUBMIC"},
756 {"Analog Right Capture Route", "Aux/FM Right", "AFMR"},
757
758 {"MicAmpL", NULL, "Analog Left Capture Route"},
759 {"MicAmpR", NULL, "Analog Right Capture Route"},
760
761 {"ADC Left", NULL, "MicAmpL"},
762 {"ADC Right", NULL, "MicAmpR"},
763
764
765 {"AFMAmpL", NULL, "AFML"},
766 {"AFMAmpR", NULL, "AFMR"},
767
768 {"HSDAC Left", NULL, "HSDAC Power"},
769 {"HSDAC Right", NULL, "HSDAC Power"},
770
771 {"Headset Left Playback", "HS DAC", "HSDAC Left"},
772 {"Headset Left Playback", "Line-In amp", "AFMAmpL"},
773
774 {"Headset Right Playback", "HS DAC", "HSDAC Right"},
775 {"Headset Right Playback", "Line-In amp", "AFMAmpR"},
776
777 {"HS Left Driver", NULL, "Headset Left Playback"},
778 {"HS Right Driver", NULL, "Headset Right Playback"},
779
780 {"HSOL", NULL, "HS Left Driver"},
781 {"HSOR", NULL, "HS Right Driver"},
782
783
784 {"Earphone Playback", "Switch", "HSDAC Left"},
785 {"Earphone Driver", NULL, "Earphone Playback"},
786 {"EP", NULL, "Earphone Driver"},
787
788 {"Handsfree Left Playback", "HF DAC", "HFDAC Left"},
789 {"Handsfree Left Playback", "Line-In amp", "AFMAmpL"},
790
791 {"Handsfree Right Playback", "HF DAC", "HFDAC Right"},
792 {"Handsfree Right Playback", "Line-In amp", "AFMAmpR"},
793
794 {"HF Left PGA", NULL, "Handsfree Left Playback"},
795 {"HF Right PGA", NULL, "Handsfree Right Playback"},
796
797 {"HF Left Driver", NULL, "HF Left PGA"},
798 {"HF Right Driver", NULL, "HF Right PGA"},
799
800 {"HFL", NULL, "HF Left Driver"},
801 {"HFR", NULL, "HF Right Driver"},
802
803 {"AUXL Playback", "Switch", "HF Left PGA"},
804 {"AUXR Playback", "Switch", "HF Right PGA"},
805
806 {"AUXL", NULL, "AUXL Playback"},
807 {"AUXR", NULL, "AUXR Playback"},
808
809
810 {"Vibra Left Playback", "Audio PDM", "VIBRA DAC"},
811 {"Vibra Right Playback", "Audio PDM", "VIBRA DAC"},
812
813 {"Vibra Left Driver", NULL, "Vibra Left Playback"},
814 {"Vibra Right Driver", NULL, "Vibra Right Playback"},
815 {"Vibra Left Driver", NULL, "Vibra Left Control"},
816 {"Vibra Right Driver", NULL, "Vibra Right Control"},
817
818 {"VIBRAL", NULL, "Vibra Left Driver"},
819 {"VIBRAR", NULL, "Vibra Right Driver"},
820};
821
822static int twl6040_set_bias_level(struct snd_soc_codec *codec,
823 enum snd_soc_bias_level level)
824{
825 struct twl6040 *twl6040 = codec->control_data;
826 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
827 int ret;
828
829 switch (level) {
830 case SND_SOC_BIAS_ON:
831 break;
832 case SND_SOC_BIAS_PREPARE:
833 break;
834 case SND_SOC_BIAS_STANDBY:
835 if (priv->codec_powered)
836 break;
837
838 ret = twl6040_power(twl6040, 1);
839 if (ret)
840 return ret;
841
842 priv->codec_powered = 1;
843
844
845 twl6040_write(codec, TWL6040_REG_GPOCTL, 0x02);
846 break;
847 case SND_SOC_BIAS_OFF:
848 if (!priv->codec_powered)
849 break;
850
851 twl6040_power(twl6040, 0);
852 priv->codec_powered = 0;
853 break;
854 }
855
856 codec->dapm.bias_level = level;
857
858 return 0;
859}
860
861static int twl6040_startup(struct snd_pcm_substream *substream,
862 struct snd_soc_dai *dai)
863{
864 struct snd_soc_codec *codec = dai->codec;
865 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
866
867 snd_pcm_hw_constraint_list(substream->runtime, 0,
868 SNDRV_PCM_HW_PARAM_RATE,
869 &sysclk_constraints[priv->pll_power_mode]);
870
871 return 0;
872}
873
874static int twl6040_hw_params(struct snd_pcm_substream *substream,
875 struct snd_pcm_hw_params *params,
876 struct snd_soc_dai *dai)
877{
878 struct snd_soc_codec *codec = dai->codec;
879 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
880 int rate;
881
882 rate = params_rate(params);
883 switch (rate) {
884 case 11250:
885 case 22500:
886 case 44100:
887 case 88200:
888
889 if (unlikely(priv->pll == TWL6040_SYSCLK_SEL_HPPLL)) {
890 dev_err(codec->dev, "HPPLL does not support rate %d\n",
891 rate);
892 return -EINVAL;
893 }
894 priv->sysclk = 17640000;
895 break;
896 case 8000:
897 case 16000:
898 case 32000:
899 case 48000:
900 case 96000:
901 priv->sysclk = 19200000;
902 break;
903 default:
904 dev_err(codec->dev, "unsupported rate %d\n", rate);
905 return -EINVAL;
906 }
907
908 return 0;
909}
910
911static int twl6040_prepare(struct snd_pcm_substream *substream,
912 struct snd_soc_dai *dai)
913{
914 struct snd_soc_codec *codec = dai->codec;
915 struct twl6040 *twl6040 = codec->control_data;
916 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
917 int ret;
918
919 if (!priv->sysclk) {
920 dev_err(codec->dev,
921 "no mclk configured, call set_sysclk() on init\n");
922 return -EINVAL;
923 }
924
925 ret = twl6040_set_pll(twl6040, priv->pll, priv->clk_in, priv->sysclk);
926 if (ret) {
927 dev_err(codec->dev, "Can not set PLL (%d)\n", ret);
928 return -EPERM;
929 }
930
931 return 0;
932}
933
934static int twl6040_set_dai_sysclk(struct snd_soc_dai *codec_dai,
935 int clk_id, unsigned int freq, int dir)
936{
937 struct snd_soc_codec *codec = codec_dai->codec;
938 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
939
940 switch (clk_id) {
941 case TWL6040_SYSCLK_SEL_LPPLL:
942 case TWL6040_SYSCLK_SEL_HPPLL:
943 priv->pll = clk_id;
944 priv->clk_in = freq;
945 break;
946 default:
947 dev_err(codec->dev, "unknown clk_id %d\n", clk_id);
948 return -EINVAL;
949 }
950
951 return 0;
952}
953
954static void twl6040_mute_path(struct snd_soc_codec *codec, enum twl6040_dai_id id,
955 int mute)
956{
957 struct twl6040 *twl6040 = codec->control_data;
958 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
959 int hslctl, hsrctl, earctl;
960 int hflctl, hfrctl;
961
962 switch (id) {
963 case TWL6040_DAI_DL1:
964 hslctl = twl6040_read(codec, TWL6040_REG_HSLCTL);
965 hsrctl = twl6040_read(codec, TWL6040_REG_HSRCTL);
966 earctl = twl6040_read(codec, TWL6040_REG_EARCTL);
967
968 if (mute) {
969
970 earctl &= ~0x01;
971 hslctl &= ~(TWL6040_HSDRVENA | TWL6040_HSDACENA);
972 hsrctl &= ~(TWL6040_HSDRVENA | TWL6040_HSDACENA);
973
974 }
975
976 twl6040_reg_write(twl6040, TWL6040_REG_EARCTL, earctl);
977 twl6040_reg_write(twl6040, TWL6040_REG_HSLCTL, hslctl);
978 twl6040_reg_write(twl6040, TWL6040_REG_HSRCTL, hsrctl);
979 priv->dl1_unmuted = !mute;
980 break;
981 case TWL6040_DAI_DL2:
982 hflctl = twl6040_read(codec, TWL6040_REG_HFLCTL);
983 hfrctl = twl6040_read(codec, TWL6040_REG_HFRCTL);
984
985 if (mute) {
986
987 hflctl &= ~(TWL6040_HFDACENA | TWL6040_HFPGAENA |
988 TWL6040_HFDRVENA);
989 hfrctl &= ~(TWL6040_HFDACENA | TWL6040_HFPGAENA |
990 TWL6040_HFDRVENA);
991 }
992
993 twl6040_reg_write(twl6040, TWL6040_REG_HFLCTL, hflctl);
994 twl6040_reg_write(twl6040, TWL6040_REG_HFRCTL, hfrctl);
995 priv->dl2_unmuted = !mute;
996 break;
997 default:
998 break;
999 }
1000}
1001
1002static int twl6040_digital_mute(struct snd_soc_dai *dai, int mute)
1003{
1004 switch (dai->id) {
1005 case TWL6040_DAI_LEGACY:
1006 twl6040_mute_path(dai->codec, TWL6040_DAI_DL1, mute);
1007 twl6040_mute_path(dai->codec, TWL6040_DAI_DL2, mute);
1008 break;
1009 case TWL6040_DAI_DL1:
1010 case TWL6040_DAI_DL2:
1011 twl6040_mute_path(dai->codec, dai->id, mute);
1012 break;
1013 default:
1014 break;
1015 }
1016
1017 return 0;
1018}
1019
1020static const struct snd_soc_dai_ops twl6040_dai_ops = {
1021 .startup = twl6040_startup,
1022 .hw_params = twl6040_hw_params,
1023 .prepare = twl6040_prepare,
1024 .set_sysclk = twl6040_set_dai_sysclk,
1025 .digital_mute = twl6040_digital_mute,
1026};
1027
1028static struct snd_soc_dai_driver twl6040_dai[] = {
1029{
1030 .name = "twl6040-legacy",
1031 .id = TWL6040_DAI_LEGACY,
1032 .playback = {
1033 .stream_name = "Legacy Playback",
1034 .channels_min = 1,
1035 .channels_max = 5,
1036 .rates = TWL6040_RATES,
1037 .formats = TWL6040_FORMATS,
1038 },
1039 .capture = {
1040 .stream_name = "Legacy Capture",
1041 .channels_min = 1,
1042 .channels_max = 2,
1043 .rates = TWL6040_RATES,
1044 .formats = TWL6040_FORMATS,
1045 },
1046 .ops = &twl6040_dai_ops,
1047},
1048{
1049 .name = "twl6040-ul",
1050 .id = TWL6040_DAI_UL,
1051 .capture = {
1052 .stream_name = "Capture",
1053 .channels_min = 1,
1054 .channels_max = 2,
1055 .rates = TWL6040_RATES,
1056 .formats = TWL6040_FORMATS,
1057 },
1058 .ops = &twl6040_dai_ops,
1059},
1060{
1061 .name = "twl6040-dl1",
1062 .id = TWL6040_DAI_DL1,
1063 .playback = {
1064 .stream_name = "Headset Playback",
1065 .channels_min = 1,
1066 .channels_max = 2,
1067 .rates = TWL6040_RATES,
1068 .formats = TWL6040_FORMATS,
1069 },
1070 .ops = &twl6040_dai_ops,
1071},
1072{
1073 .name = "twl6040-dl2",
1074 .id = TWL6040_DAI_DL2,
1075 .playback = {
1076 .stream_name = "Handsfree Playback",
1077 .channels_min = 1,
1078 .channels_max = 2,
1079 .rates = TWL6040_RATES,
1080 .formats = TWL6040_FORMATS,
1081 },
1082 .ops = &twl6040_dai_ops,
1083},
1084{
1085 .name = "twl6040-vib",
1086 .id = TWL6040_DAI_VIB,
1087 .playback = {
1088 .stream_name = "Vibra Playback",
1089 .channels_min = 1,
1090 .channels_max = 1,
1091 .rates = SNDRV_PCM_RATE_CONTINUOUS,
1092 .formats = TWL6040_FORMATS,
1093 },
1094 .ops = &twl6040_dai_ops,
1095},
1096};
1097
1098static int twl6040_probe(struct snd_soc_codec *codec)
1099{
1100 struct twl6040_data *priv;
1101 struct twl6040 *twl6040 = dev_get_drvdata(codec->dev->parent);
1102 struct platform_device *pdev = container_of(codec->dev,
1103 struct platform_device, dev);
1104 int ret = 0;
1105
1106 priv = devm_kzalloc(codec->dev, sizeof(*priv), GFP_KERNEL);
1107 if (priv == NULL)
1108 return -ENOMEM;
1109
1110 snd_soc_codec_set_drvdata(codec, priv);
1111
1112 priv->codec = codec;
1113 codec->control_data = twl6040;
1114
1115 priv->plug_irq = platform_get_irq(pdev, 0);
1116 if (priv->plug_irq < 0) {
1117 dev_err(codec->dev, "invalid irq\n");
1118 return -EINVAL;
1119 }
1120
1121 INIT_DELAYED_WORK(&priv->hs_jack.work, twl6040_accessory_work);
1122
1123 mutex_init(&priv->mutex);
1124
1125 ret = request_threaded_irq(priv->plug_irq, NULL,
1126 twl6040_audio_handler, IRQF_NO_SUSPEND,
1127 "twl6040_irq_plug", codec);
1128 if (ret) {
1129 dev_err(codec->dev, "PLUG IRQ request failed: %d\n", ret);
1130 return ret;
1131 }
1132
1133 twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1134 twl6040_init_chip(codec);
1135
1136 return 0;
1137}
1138
1139static int twl6040_remove(struct snd_soc_codec *codec)
1140{
1141 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1142
1143 free_irq(priv->plug_irq, codec);
1144
1145 return 0;
1146}
1147
1148static struct snd_soc_codec_driver soc_codec_dev_twl6040 = {
1149 .probe = twl6040_probe,
1150 .remove = twl6040_remove,
1151 .read = twl6040_read,
1152 .write = twl6040_write,
1153 .set_bias_level = twl6040_set_bias_level,
1154 .suspend_bias_off = true,
1155 .ignore_pmdown_time = true,
1156
1157 .controls = twl6040_snd_controls,
1158 .num_controls = ARRAY_SIZE(twl6040_snd_controls),
1159 .dapm_widgets = twl6040_dapm_widgets,
1160 .num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets),
1161 .dapm_routes = intercon,
1162 .num_dapm_routes = ARRAY_SIZE(intercon),
1163};
1164
1165static int twl6040_codec_probe(struct platform_device *pdev)
1166{
1167 return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_twl6040,
1168 twl6040_dai, ARRAY_SIZE(twl6040_dai));
1169}
1170
1171static int twl6040_codec_remove(struct platform_device *pdev)
1172{
1173 snd_soc_unregister_codec(&pdev->dev);
1174 return 0;
1175}
1176
1177static struct platform_driver twl6040_codec_driver = {
1178 .driver = {
1179 .name = "twl6040-codec",
1180 },
1181 .probe = twl6040_codec_probe,
1182 .remove = twl6040_codec_remove,
1183};
1184
1185module_platform_driver(twl6040_codec_driver);
1186
1187MODULE_DESCRIPTION("ASoC TWL6040 codec driver");
1188MODULE_AUTHOR("Misael Lopez Cruz");
1189MODULE_LICENSE("GPL");
1190
