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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 = snd_soc_dapm_to_codec(w->dapm);
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 = snd_soc_dapm_to_codec(w->dapm);
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 = snd_soc_codec_get_dapm(codec);
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
610 SOC_SINGLE("Headset Mono to Stereo Playback Switch",
611 TWL6040_REG_HSRCTL, 7, 1, 0),
612
613
614 SOC_SINGLE("Handsfree Mono to Stereo Playback Switch",
615 TWL6040_REG_HFRCTL, 5, 1, 0),
616
617 SOC_ENUM_EXT("PLL Selection", twl6040_power_mode_enum,
618 twl6040_pll_get_enum, twl6040_pll_put_enum),
619};
620
621static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
622
623 SND_SOC_DAPM_INPUT("MAINMIC"),
624 SND_SOC_DAPM_INPUT("HSMIC"),
625 SND_SOC_DAPM_INPUT("SUBMIC"),
626 SND_SOC_DAPM_INPUT("AFML"),
627 SND_SOC_DAPM_INPUT("AFMR"),
628
629
630 SND_SOC_DAPM_OUTPUT("HSOL"),
631 SND_SOC_DAPM_OUTPUT("HSOR"),
632 SND_SOC_DAPM_OUTPUT("HFL"),
633 SND_SOC_DAPM_OUTPUT("HFR"),
634 SND_SOC_DAPM_OUTPUT("EP"),
635 SND_SOC_DAPM_OUTPUT("AUXL"),
636 SND_SOC_DAPM_OUTPUT("AUXR"),
637 SND_SOC_DAPM_OUTPUT("VIBRAL"),
638 SND_SOC_DAPM_OUTPUT("VIBRAR"),
639
640
641 SND_SOC_DAPM_MUX("Analog Left Capture Route",
642 SND_SOC_NOPM, 0, 0, &amicl_control),
643 SND_SOC_DAPM_MUX("Analog Right Capture Route",
644 SND_SOC_NOPM, 0, 0, &amicr_control),
645
646
647 SND_SOC_DAPM_PGA("MicAmpL",
648 TWL6040_REG_MICLCTL, 0, 0, NULL, 0),
649 SND_SOC_DAPM_PGA("MicAmpR",
650 TWL6040_REG_MICRCTL, 0, 0, NULL, 0),
651
652
653 SND_SOC_DAPM_PGA("AFMAmpL",
654 TWL6040_REG_MICLCTL, 1, 0, NULL, 0),
655 SND_SOC_DAPM_PGA("AFMAmpR",
656 TWL6040_REG_MICRCTL, 1, 0, NULL, 0),
657
658
659 SND_SOC_DAPM_ADC("ADC Left", NULL, TWL6040_REG_MICLCTL, 2, 0),
660 SND_SOC_DAPM_ADC("ADC Right", NULL, TWL6040_REG_MICRCTL, 2, 0),
661
662
663 SND_SOC_DAPM_SUPPLY("Headset Mic Bias",
664 TWL6040_REG_AMICBCTL, 0, 0, NULL, 0),
665 SND_SOC_DAPM_SUPPLY("Main Mic Bias",
666 TWL6040_REG_AMICBCTL, 4, 0, NULL, 0),
667 SND_SOC_DAPM_SUPPLY("Digital Mic1 Bias",
668 TWL6040_REG_DMICBCTL, 0, 0, NULL, 0),
669 SND_SOC_DAPM_SUPPLY("Digital Mic2 Bias",
670 TWL6040_REG_DMICBCTL, 4, 0, NULL, 0),
671
672
673 SND_SOC_DAPM_DAC("HSDAC Left", NULL, SND_SOC_NOPM, 0, 0),
674 SND_SOC_DAPM_DAC("HSDAC Right", NULL, SND_SOC_NOPM, 0, 0),
675 SND_SOC_DAPM_DAC("HFDAC Left", NULL, TWL6040_REG_HFLCTL, 0, 0),
676 SND_SOC_DAPM_DAC("HFDAC Right", NULL, TWL6040_REG_HFRCTL, 0, 0),
677
678 SND_SOC_DAPM_DAC("VIBRA DAC", NULL, SND_SOC_NOPM, 0, 0),
679
680 SND_SOC_DAPM_MUX("Handsfree Left Playback",
681 SND_SOC_NOPM, 0, 0, &hfl_mux_controls),
682 SND_SOC_DAPM_MUX("Handsfree Right Playback",
683 SND_SOC_NOPM, 0, 0, &hfr_mux_controls),
684
685 SND_SOC_DAPM_MUX("Headset Left Playback",
686 SND_SOC_NOPM, 0, 0, &hsl_mux_controls),
687 SND_SOC_DAPM_MUX("Headset Right Playback",
688 SND_SOC_NOPM, 0, 0, &hsr_mux_controls),
689
690 SND_SOC_DAPM_MUX("Vibra Left Playback", SND_SOC_NOPM, 0, 0,
691 &vibral_mux_controls),
692 SND_SOC_DAPM_MUX("Vibra Right Playback", SND_SOC_NOPM, 0, 0,
693 &vibrar_mux_controls),
694
695 SND_SOC_DAPM_SWITCH("Earphone Playback", SND_SOC_NOPM, 0, 0,
696 &ep_path_enable_control),
697 SND_SOC_DAPM_SWITCH("AUXL Playback", SND_SOC_NOPM, 0, 0,
698 &auxl_switch_control),
699 SND_SOC_DAPM_SWITCH("AUXR Playback", SND_SOC_NOPM, 0, 0,
700 &auxr_switch_control),
701
702
703 SND_SOC_DAPM_OUT_DRV("HF Left Driver",
704 TWL6040_REG_HFLCTL, 4, 0, NULL, 0),
705 SND_SOC_DAPM_OUT_DRV("HF Right Driver",
706 TWL6040_REG_HFRCTL, 4, 0, NULL, 0),
707 SND_SOC_DAPM_OUT_DRV("HS Left Driver",
708 TWL6040_REG_HSLCTL, 2, 0, NULL, 0),
709 SND_SOC_DAPM_OUT_DRV("HS Right Driver",
710 TWL6040_REG_HSRCTL, 2, 0, NULL, 0),
711 SND_SOC_DAPM_OUT_DRV_E("Earphone Driver",
712 TWL6040_REG_EARCTL, 0, 0, NULL, 0,
713 twl6040_ep_drv_event,
714 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
715 SND_SOC_DAPM_OUT_DRV("Vibra Left Driver",
716 TWL6040_REG_VIBCTLL, 0, 0, NULL, 0),
717 SND_SOC_DAPM_OUT_DRV("Vibra Right Driver",
718 TWL6040_REG_VIBCTLR, 0, 0, NULL, 0),
719
720 SND_SOC_DAPM_SUPPLY("Vibra Left Control", TWL6040_REG_VIBCTLL, 2, 0,
721 NULL, 0),
722 SND_SOC_DAPM_SUPPLY("Vibra Right Control", TWL6040_REG_VIBCTLR, 2, 0,
723 NULL, 0),
724 SND_SOC_DAPM_SUPPLY_S("HSDAC Power", 1, SND_SOC_NOPM, 0, 0,
725 twl6040_hs_dac_event,
726 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
727
728
729 SND_SOC_DAPM_PGA("HF Left PGA",
730 TWL6040_REG_HFLCTL, 1, 0, NULL, 0),
731 SND_SOC_DAPM_PGA("HF Right PGA",
732 TWL6040_REG_HFRCTL, 1, 0, NULL, 0),
733
734};
735
736static const struct snd_soc_dapm_route intercon[] = {
737
738 {"HSDAC Left", NULL, "Legacy Playback"},
739 {"HSDAC Left", NULL, "Headset Playback"},
740 {"HSDAC Right", NULL, "Legacy Playback"},
741 {"HSDAC Right", NULL, "Headset Playback"},
742
743 {"HFDAC Left", NULL, "Legacy Playback"},
744 {"HFDAC Left", NULL, "Handsfree Playback"},
745 {"HFDAC Right", NULL, "Legacy Playback"},
746 {"HFDAC Right", NULL, "Handsfree Playback"},
747
748 {"VIBRA DAC", NULL, "Legacy Playback"},
749 {"VIBRA DAC", NULL, "Vibra Playback"},
750
751
752 {"Legacy Capture" , NULL, "ADC Left"},
753 {"Capture", NULL, "ADC Left"},
754 {"Legacy Capture", NULL, "ADC Right"},
755 {"Capture" , NULL, "ADC Right"},
756
757
758 {"Analog Left Capture Route", "Headset Mic", "HSMIC"},
759 {"Analog Left Capture Route", "Main Mic", "MAINMIC"},
760 {"Analog Left Capture Route", "Aux/FM Left", "AFML"},
761
762 {"Analog Right Capture Route", "Headset Mic", "HSMIC"},
763 {"Analog Right Capture Route", "Sub Mic", "SUBMIC"},
764 {"Analog Right Capture Route", "Aux/FM Right", "AFMR"},
765
766 {"MicAmpL", NULL, "Analog Left Capture Route"},
767 {"MicAmpR", NULL, "Analog Right Capture Route"},
768
769 {"ADC Left", NULL, "MicAmpL"},
770 {"ADC Right", NULL, "MicAmpR"},
771
772
773 {"AFMAmpL", NULL, "AFML"},
774 {"AFMAmpR", NULL, "AFMR"},
775
776 {"HSDAC Left", NULL, "HSDAC Power"},
777 {"HSDAC Right", NULL, "HSDAC Power"},
778
779 {"Headset Left Playback", "HS DAC", "HSDAC Left"},
780 {"Headset Left Playback", "Line-In amp", "AFMAmpL"},
781
782 {"Headset Right Playback", "HS DAC", "HSDAC Right"},
783 {"Headset Right Playback", "Line-In amp", "AFMAmpR"},
784
785 {"HS Left Driver", NULL, "Headset Left Playback"},
786 {"HS Right Driver", NULL, "Headset Right Playback"},
787
788 {"HSOL", NULL, "HS Left Driver"},
789 {"HSOR", NULL, "HS Right Driver"},
790
791
792 {"Earphone Playback", "Switch", "HSDAC Left"},
793 {"Earphone Driver", NULL, "Earphone Playback"},
794 {"EP", NULL, "Earphone Driver"},
795
796 {"Handsfree Left Playback", "HF DAC", "HFDAC Left"},
797 {"Handsfree Left Playback", "Line-In amp", "AFMAmpL"},
798
799 {"Handsfree Right Playback", "HF DAC", "HFDAC Right"},
800 {"Handsfree Right Playback", "Line-In amp", "AFMAmpR"},
801
802 {"HF Left PGA", NULL, "Handsfree Left Playback"},
803 {"HF Right PGA", NULL, "Handsfree Right Playback"},
804
805 {"HF Left Driver", NULL, "HF Left PGA"},
806 {"HF Right Driver", NULL, "HF Right PGA"},
807
808 {"HFL", NULL, "HF Left Driver"},
809 {"HFR", NULL, "HF Right Driver"},
810
811 {"AUXL Playback", "Switch", "HF Left PGA"},
812 {"AUXR Playback", "Switch", "HF Right PGA"},
813
814 {"AUXL", NULL, "AUXL Playback"},
815 {"AUXR", NULL, "AUXR Playback"},
816
817
818 {"Vibra Left Playback", "Audio PDM", "VIBRA DAC"},
819 {"Vibra Right Playback", "Audio PDM", "VIBRA DAC"},
820
821 {"Vibra Left Driver", NULL, "Vibra Left Playback"},
822 {"Vibra Right Driver", NULL, "Vibra Right Playback"},
823 {"Vibra Left Driver", NULL, "Vibra Left Control"},
824 {"Vibra Right Driver", NULL, "Vibra Right Control"},
825
826 {"VIBRAL", NULL, "Vibra Left Driver"},
827 {"VIBRAR", NULL, "Vibra Right Driver"},
828};
829
830static int twl6040_set_bias_level(struct snd_soc_codec *codec,
831 enum snd_soc_bias_level level)
832{
833 struct twl6040 *twl6040 = codec->control_data;
834 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
835 int ret = 0;
836
837 switch (level) {
838 case SND_SOC_BIAS_ON:
839 break;
840 case SND_SOC_BIAS_PREPARE:
841 break;
842 case SND_SOC_BIAS_STANDBY:
843 if (priv->codec_powered) {
844
845 ret = twl6040_set_pll(twl6040, TWL6040_SYSCLK_SEL_LPPLL,
846 32768, 19200000);
847 break;
848 }
849
850 ret = twl6040_power(twl6040, 1);
851 if (ret)
852 break;
853
854 priv->codec_powered = 1;
855
856
857 twl6040_write(codec, TWL6040_REG_GPOCTL, 0x02);
858 break;
859 case SND_SOC_BIAS_OFF:
860 if (!priv->codec_powered)
861 break;
862
863 twl6040_power(twl6040, 0);
864 priv->codec_powered = 0;
865 break;
866 }
867
868 return ret;
869}
870
871static int twl6040_startup(struct snd_pcm_substream *substream,
872 struct snd_soc_dai *dai)
873{
874 struct snd_soc_codec *codec = dai->codec;
875 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
876
877 snd_pcm_hw_constraint_list(substream->runtime, 0,
878 SNDRV_PCM_HW_PARAM_RATE,
879 &sysclk_constraints[priv->pll_power_mode]);
880
881 return 0;
882}
883
884static int twl6040_hw_params(struct snd_pcm_substream *substream,
885 struct snd_pcm_hw_params *params,
886 struct snd_soc_dai *dai)
887{
888 struct snd_soc_codec *codec = dai->codec;
889 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
890 int rate;
891
892 rate = params_rate(params);
893 switch (rate) {
894 case 11250:
895 case 22500:
896 case 44100:
897 case 88200:
898
899 if (unlikely(priv->pll == TWL6040_SYSCLK_SEL_HPPLL)) {
900 dev_err(codec->dev, "HPPLL does not support rate %d\n",
901 rate);
902 return -EINVAL;
903 }
904 priv->sysclk = 17640000;
905 break;
906 case 8000:
907 case 16000:
908 case 32000:
909 case 48000:
910 case 96000:
911 priv->sysclk = 19200000;
912 break;
913 default:
914 dev_err(codec->dev, "unsupported rate %d\n", rate);
915 return -EINVAL;
916 }
917
918 return 0;
919}
920
921static int twl6040_prepare(struct snd_pcm_substream *substream,
922 struct snd_soc_dai *dai)
923{
924 struct snd_soc_codec *codec = dai->codec;
925 struct twl6040 *twl6040 = codec->control_data;
926 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
927 int ret;
928
929 if (!priv->sysclk) {
930 dev_err(codec->dev,
931 "no mclk configured, call set_sysclk() on init\n");
932 return -EINVAL;
933 }
934
935 ret = twl6040_set_pll(twl6040, priv->pll, priv->clk_in, priv->sysclk);
936 if (ret) {
937 dev_err(codec->dev, "Can not set PLL (%d)\n", ret);
938 return -EPERM;
939 }
940
941 return 0;
942}
943
944static int twl6040_set_dai_sysclk(struct snd_soc_dai *codec_dai,
945 int clk_id, unsigned int freq, int dir)
946{
947 struct snd_soc_codec *codec = codec_dai->codec;
948 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
949
950 switch (clk_id) {
951 case TWL6040_SYSCLK_SEL_LPPLL:
952 case TWL6040_SYSCLK_SEL_HPPLL:
953 priv->pll = clk_id;
954 priv->clk_in = freq;
955 break;
956 default:
957 dev_err(codec->dev, "unknown clk_id %d\n", clk_id);
958 return -EINVAL;
959 }
960
961 return 0;
962}
963
964static void twl6040_mute_path(struct snd_soc_codec *codec, enum twl6040_dai_id id,
965 int mute)
966{
967 struct twl6040 *twl6040 = codec->control_data;
968 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
969 int hslctl, hsrctl, earctl;
970 int hflctl, hfrctl;
971
972 switch (id) {
973 case TWL6040_DAI_DL1:
974 hslctl = twl6040_read(codec, TWL6040_REG_HSLCTL);
975 hsrctl = twl6040_read(codec, TWL6040_REG_HSRCTL);
976 earctl = twl6040_read(codec, TWL6040_REG_EARCTL);
977
978 if (mute) {
979
980 earctl &= ~0x01;
981 hslctl &= ~(TWL6040_HSDRVENA | TWL6040_HSDACENA);
982 hsrctl &= ~(TWL6040_HSDRVENA | TWL6040_HSDACENA);
983
984 }
985
986 twl6040_reg_write(twl6040, TWL6040_REG_EARCTL, earctl);
987 twl6040_reg_write(twl6040, TWL6040_REG_HSLCTL, hslctl);
988 twl6040_reg_write(twl6040, TWL6040_REG_HSRCTL, hsrctl);
989 priv->dl1_unmuted = !mute;
990 break;
991 case TWL6040_DAI_DL2:
992 hflctl = twl6040_read(codec, TWL6040_REG_HFLCTL);
993 hfrctl = twl6040_read(codec, TWL6040_REG_HFRCTL);
994
995 if (mute) {
996
997 hflctl &= ~(TWL6040_HFDACENA | TWL6040_HFPGAENA |
998 TWL6040_HFDRVENA | TWL6040_HFSWENA);
999 hfrctl &= ~(TWL6040_HFDACENA | TWL6040_HFPGAENA |
1000 TWL6040_HFDRVENA | TWL6040_HFSWENA);
1001 }
1002
1003 twl6040_reg_write(twl6040, TWL6040_REG_HFLCTL, hflctl);
1004 twl6040_reg_write(twl6040, TWL6040_REG_HFRCTL, hfrctl);
1005 priv->dl2_unmuted = !mute;
1006 break;
1007 default:
1008 break;
1009 }
1010}
1011
1012static int twl6040_digital_mute(struct snd_soc_dai *dai, int mute)
1013{
1014 switch (dai->id) {
1015 case TWL6040_DAI_LEGACY:
1016 twl6040_mute_path(dai->codec, TWL6040_DAI_DL1, mute);
1017 twl6040_mute_path(dai->codec, TWL6040_DAI_DL2, mute);
1018 break;
1019 case TWL6040_DAI_DL1:
1020 case TWL6040_DAI_DL2:
1021 twl6040_mute_path(dai->codec, dai->id, mute);
1022 break;
1023 default:
1024 break;
1025 }
1026
1027 return 0;
1028}
1029
1030static const struct snd_soc_dai_ops twl6040_dai_ops = {
1031 .startup = twl6040_startup,
1032 .hw_params = twl6040_hw_params,
1033 .prepare = twl6040_prepare,
1034 .set_sysclk = twl6040_set_dai_sysclk,
1035 .digital_mute = twl6040_digital_mute,
1036};
1037
1038static struct snd_soc_dai_driver twl6040_dai[] = {
1039{
1040 .name = "twl6040-legacy",
1041 .id = TWL6040_DAI_LEGACY,
1042 .playback = {
1043 .stream_name = "Legacy Playback",
1044 .channels_min = 1,
1045 .channels_max = 5,
1046 .rates = TWL6040_RATES,
1047 .formats = TWL6040_FORMATS,
1048 },
1049 .capture = {
1050 .stream_name = "Legacy Capture",
1051 .channels_min = 1,
1052 .channels_max = 2,
1053 .rates = TWL6040_RATES,
1054 .formats = TWL6040_FORMATS,
1055 },
1056 .ops = &twl6040_dai_ops,
1057},
1058{
1059 .name = "twl6040-ul",
1060 .id = TWL6040_DAI_UL,
1061 .capture = {
1062 .stream_name = "Capture",
1063 .channels_min = 1,
1064 .channels_max = 2,
1065 .rates = TWL6040_RATES,
1066 .formats = TWL6040_FORMATS,
1067 },
1068 .ops = &twl6040_dai_ops,
1069},
1070{
1071 .name = "twl6040-dl1",
1072 .id = TWL6040_DAI_DL1,
1073 .playback = {
1074 .stream_name = "Headset Playback",
1075 .channels_min = 1,
1076 .channels_max = 2,
1077 .rates = TWL6040_RATES,
1078 .formats = TWL6040_FORMATS,
1079 },
1080 .ops = &twl6040_dai_ops,
1081},
1082{
1083 .name = "twl6040-dl2",
1084 .id = TWL6040_DAI_DL2,
1085 .playback = {
1086 .stream_name = "Handsfree Playback",
1087 .channels_min = 1,
1088 .channels_max = 2,
1089 .rates = TWL6040_RATES,
1090 .formats = TWL6040_FORMATS,
1091 },
1092 .ops = &twl6040_dai_ops,
1093},
1094{
1095 .name = "twl6040-vib",
1096 .id = TWL6040_DAI_VIB,
1097 .playback = {
1098 .stream_name = "Vibra Playback",
1099 .channels_min = 1,
1100 .channels_max = 1,
1101 .rates = SNDRV_PCM_RATE_CONTINUOUS,
1102 .formats = TWL6040_FORMATS,
1103 },
1104 .ops = &twl6040_dai_ops,
1105},
1106};
1107
1108static int twl6040_probe(struct snd_soc_codec *codec)
1109{
1110 struct twl6040_data *priv;
1111 struct twl6040 *twl6040 = dev_get_drvdata(codec->dev->parent);
1112 struct platform_device *pdev = to_platform_device(codec->dev);
1113 int ret = 0;
1114
1115 priv = devm_kzalloc(codec->dev, sizeof(*priv), GFP_KERNEL);
1116 if (priv == NULL)
1117 return -ENOMEM;
1118
1119 snd_soc_codec_set_drvdata(codec, priv);
1120
1121 priv->codec = codec;
1122 codec->control_data = twl6040;
1123
1124 priv->plug_irq = platform_get_irq(pdev, 0);
1125 if (priv->plug_irq < 0) {
1126 dev_err(codec->dev, "invalid irq\n");
1127 return -EINVAL;
1128 }
1129
1130 INIT_DELAYED_WORK(&priv->hs_jack.work, twl6040_accessory_work);
1131
1132 mutex_init(&priv->mutex);
1133
1134 ret = request_threaded_irq(priv->plug_irq, NULL,
1135 twl6040_audio_handler,
1136 IRQF_NO_SUSPEND | IRQF_ONESHOT,
1137 "twl6040_irq_plug", codec);
1138 if (ret) {
1139 dev_err(codec->dev, "PLUG IRQ request failed: %d\n", ret);
1140 return ret;
1141 }
1142
1143 snd_soc_codec_force_bias_level(codec, SND_SOC_BIAS_STANDBY);
1144 twl6040_init_chip(codec);
1145
1146 return 0;
1147}
1148
1149static int twl6040_remove(struct snd_soc_codec *codec)
1150{
1151 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1152
1153 free_irq(priv->plug_irq, codec);
1154
1155 return 0;
1156}
1157
1158static struct snd_soc_codec_driver soc_codec_dev_twl6040 = {
1159 .probe = twl6040_probe,
1160 .remove = twl6040_remove,
1161 .read = twl6040_read,
1162 .write = twl6040_write,
1163 .set_bias_level = twl6040_set_bias_level,
1164 .suspend_bias_off = true,
1165 .ignore_pmdown_time = true,
1166
1167 .component_driver = {
1168 .controls = twl6040_snd_controls,
1169 .num_controls = ARRAY_SIZE(twl6040_snd_controls),
1170 .dapm_widgets = twl6040_dapm_widgets,
1171 .num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets),
1172 .dapm_routes = intercon,
1173 .num_dapm_routes = ARRAY_SIZE(intercon),
1174 },
1175};
1176
1177static int twl6040_codec_probe(struct platform_device *pdev)
1178{
1179 return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_twl6040,
1180 twl6040_dai, ARRAY_SIZE(twl6040_dai));
1181}
1182
1183static int twl6040_codec_remove(struct platform_device *pdev)
1184{
1185 snd_soc_unregister_codec(&pdev->dev);
1186 return 0;
1187}
1188
1189static struct platform_driver twl6040_codec_driver = {
1190 .driver = {
1191 .name = "twl6040-codec",
1192 },
1193 .probe = twl6040_codec_probe,
1194 .remove = twl6040_codec_remove,
1195};
1196
1197module_platform_driver(twl6040_codec_driver);
1198
1199MODULE_DESCRIPTION("ASoC TWL6040 codec driver");
1200MODULE_AUTHOR("Misael Lopez Cruz");
1201MODULE_LICENSE("GPL");
1202
