2 * ALSA SoC TWL6040 codec driver
4 * Author: Misael Lopez Cruz <x0052729@ti.com>
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * version 2 as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
22 #include <linux/module.h>
23 #include <linux/moduleparam.h>
24 #include <linux/init.h>
25 #include <linux/delay.h>
27 #include <linux/platform_device.h>
28 #include <linux/slab.h>
29 #include <linux/mfd/twl6040.h>
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>
42 TWL6040_DAI_LEGACY = 0,
49 #define TWL6040_RATES SNDRV_PCM_RATE_8000_96000
50 #define TWL6040_FORMATS (SNDRV_PCM_FMTBIT_S32_LE)
52 #define TWL6040_OUTHS_0dB 0x00
53 #define TWL6040_OUTHS_M30dB 0x0F
54 #define TWL6040_OUTHF_0dB 0x03
55 #define TWL6040_OUTHF_M52dB 0x1D
57 #define TWL6040_CACHEREGNUM (TWL6040_REG_STATUS + 1)
59 struct twl6040_jack_data {
60 struct snd_soc_jack *jack;
61 struct delayed_work work;
65 /* codec private data */
72 int hs_power_mode_locked;
75 u8 dl12_cache[TWL6040_REG_HFRCTL - TWL6040_REG_HSLCTL + 1];
78 struct twl6040_jack_data hs_jack;
79 struct snd_soc_codec *codec;
83 /* set of rates for each pll: low-power and high-performance */
84 static unsigned int lp_rates[] = {
96 static unsigned int hp_rates[] = {
104 static 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, },
109 static unsigned int twl6040_read(struct snd_soc_codec *codec, unsigned int reg)
111 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
112 struct twl6040 *twl6040 = codec->control_data;
115 if (reg >= TWL6040_CACHEREGNUM)
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];
127 value = twl6040_reg_read(twl6040, reg);
134 static bool twl6040_can_write_to_chip(struct snd_soc_codec *codec,
137 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
140 case TWL6040_REG_HSLCTL:
141 case TWL6040_REG_HSRCTL:
142 case TWL6040_REG_EARCTL:
144 return priv->dl1_unmuted;
145 case TWL6040_REG_HFLCTL:
146 case TWL6040_REG_HFRCTL:
147 return priv->dl2_unmuted;
153 static inline void twl6040_update_dl12_cache(struct snd_soc_codec *codec,
156 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
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;
171 static int twl6040_write(struct snd_soc_codec *codec,
172 unsigned int reg, unsigned int value)
174 struct twl6040 *twl6040 = codec->control_data;
176 if (reg >= TWL6040_CACHEREGNUM)
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);
186 static void twl6040_init_chip(struct snd_soc_codec *codec)
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);
194 /* Change chip defaults */
195 /* No imput selected for microphone amplifiers */
196 twl6040_write(codec, TWL6040_REG_MICLCTL, 0x18);
197 twl6040_write(codec, TWL6040_REG_MICRCTL, 0x18);
200 * We need to lower the default gain values, so the ramp code
201 * can work correctly for the first playback.
202 * This reduces the pop noise heard at the first playback.
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);
211 /* set headset dac and driver power mode */
212 static int headset_power_mode(struct snd_soc_codec *codec, int high_perf)
215 int mask = TWL6040_HSDRVMODE | TWL6040_HSDACMODE;
217 hslctl = twl6040_read(codec, TWL6040_REG_HSLCTL);
218 hsrctl = twl6040_read(codec, TWL6040_REG_HSRCTL);
228 twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl);
229 twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl);
234 static int twl6040_hs_dac_event(struct snd_soc_dapm_widget *w,
235 struct snd_kcontrol *kcontrol, int event)
237 struct snd_soc_codec *codec = w->codec;
241 * Workaround for Headset DC offset caused pop noise:
242 * Both HS DAC need to be turned on (before the HS driver) and off at
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;
251 hslctl &= ~TWL6040_HSDACENA;
252 hsrctl &= ~TWL6040_HSDACENA;
254 twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl);
255 twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl);
261 static int twl6040_ep_drv_event(struct snd_soc_dapm_widget *w,
262 struct snd_kcontrol *kcontrol, int event)
264 struct snd_soc_codec *codec = w->codec;
265 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
268 if (SND_SOC_DAPM_EVENT_ON(event)) {
269 /* Earphone doesn't support low power mode */
270 priv->hs_power_mode_locked = 1;
271 ret = headset_power_mode(codec, 1);
273 priv->hs_power_mode_locked = 0;
274 ret = headset_power_mode(codec, priv->hs_power_mode);
282 static void twl6040_hs_jack_report(struct snd_soc_codec *codec,
283 struct snd_soc_jack *jack, int report)
285 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
288 mutex_lock(&priv->mutex);
291 status = twl6040_read(codec, TWL6040_REG_STATUS);
292 if (status & TWL6040_PLUGCOMP)
293 snd_soc_jack_report(jack, report, report);
295 snd_soc_jack_report(jack, 0, report);
297 mutex_unlock(&priv->mutex);
300 void twl6040_hs_jack_detect(struct snd_soc_codec *codec,
301 struct snd_soc_jack *jack, int report)
303 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
304 struct twl6040_jack_data *hs_jack = &priv->hs_jack;
306 hs_jack->jack = jack;
307 hs_jack->report = report;
309 twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
311 EXPORT_SYMBOL_GPL(twl6040_hs_jack_detect);
313 static void twl6040_accessory_work(struct work_struct *work)
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;
320 twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
323 /* audio interrupt handler */
324 static irqreturn_t twl6040_audio_handler(int irq, void *data)
326 struct snd_soc_codec *codec = data;
327 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
329 queue_delayed_work(system_power_efficient_wq,
330 &priv->hs_jack.work, msecs_to_jiffies(200));
335 static int twl6040_soc_dapm_put_vibra_enum(struct snd_kcontrol *kcontrol,
336 struct snd_ctl_elem_value *ucontrol)
338 struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
339 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
342 /* Do not allow changes while Input/FF efect is running */
343 val = twl6040_read(codec, e->reg);
344 if (val & TWL6040_VIBENA && !(val & TWL6040_VIBSEL))
347 return snd_soc_dapm_put_enum_double(kcontrol, ucontrol);
351 * MICATT volume control:
352 * from -6 to 0 dB in 6 dB steps
354 static DECLARE_TLV_DB_SCALE(mic_preamp_tlv, -600, 600, 0);
357 * MICGAIN volume control:
358 * from 6 to 30 dB in 6 dB steps
360 static DECLARE_TLV_DB_SCALE(mic_amp_tlv, 600, 600, 0);
363 * AFMGAIN volume control:
364 * from -18 to 24 dB in 6 dB steps
366 static DECLARE_TLV_DB_SCALE(afm_amp_tlv, -1800, 600, 0);
369 * HSGAIN volume control:
370 * from -30 to 0 dB in 2 dB steps
372 static DECLARE_TLV_DB_SCALE(hs_tlv, -3000, 200, 0);
375 * HFGAIN volume control:
376 * from -52 to 6 dB in 2 dB steps
378 static DECLARE_TLV_DB_SCALE(hf_tlv, -5200, 200, 0);
381 * EPGAIN volume control:
382 * from -24 to 6 dB in 2 dB steps
384 static DECLARE_TLV_DB_SCALE(ep_tlv, -2400, 200, 0);
386 /* Left analog microphone selection */
387 static const char *twl6040_amicl_texts[] =
388 {"Headset Mic", "Main Mic", "Aux/FM Left", "Off"};
390 /* Right analog microphone selection */
391 static const char *twl6040_amicr_texts[] =
392 {"Headset Mic", "Sub Mic", "Aux/FM Right", "Off"};
394 static const struct soc_enum twl6040_enum[] = {
395 SOC_ENUM_SINGLE(TWL6040_REG_MICLCTL, 3, 4, twl6040_amicl_texts),
396 SOC_ENUM_SINGLE(TWL6040_REG_MICRCTL, 3, 4, twl6040_amicr_texts),
399 static const char *twl6040_hs_texts[] = {
400 "Off", "HS DAC", "Line-In amp"
403 static const struct soc_enum twl6040_hs_enum[] = {
404 SOC_ENUM_SINGLE(TWL6040_REG_HSLCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
406 SOC_ENUM_SINGLE(TWL6040_REG_HSRCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
410 static const char *twl6040_hf_texts[] = {
411 "Off", "HF DAC", "Line-In amp"
414 static const struct soc_enum twl6040_hf_enum[] = {
415 SOC_ENUM_SINGLE(TWL6040_REG_HFLCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
417 SOC_ENUM_SINGLE(TWL6040_REG_HFRCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
421 static const char *twl6040_vibrapath_texts[] = {
422 "Input FF", "Audio PDM"
425 static const struct soc_enum twl6040_vibra_enum[] = {
426 SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLL, 1,
427 ARRAY_SIZE(twl6040_vibrapath_texts),
428 twl6040_vibrapath_texts),
429 SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLR, 1,
430 ARRAY_SIZE(twl6040_vibrapath_texts),
431 twl6040_vibrapath_texts),
434 static const struct snd_kcontrol_new amicl_control =
435 SOC_DAPM_ENUM("Route", twl6040_enum[0]);
437 static const struct snd_kcontrol_new amicr_control =
438 SOC_DAPM_ENUM("Route", twl6040_enum[1]);
440 /* Headset DAC playback switches */
441 static const struct snd_kcontrol_new hsl_mux_controls =
442 SOC_DAPM_ENUM("Route", twl6040_hs_enum[0]);
444 static const struct snd_kcontrol_new hsr_mux_controls =
445 SOC_DAPM_ENUM("Route", twl6040_hs_enum[1]);
447 /* Handsfree DAC playback switches */
448 static const struct snd_kcontrol_new hfl_mux_controls =
449 SOC_DAPM_ENUM("Route", twl6040_hf_enum[0]);
451 static const struct snd_kcontrol_new hfr_mux_controls =
452 SOC_DAPM_ENUM("Route", twl6040_hf_enum[1]);
454 static const struct snd_kcontrol_new ep_path_enable_control =
455 SOC_DAPM_SINGLE_VIRT("Switch", 1);
457 static const struct snd_kcontrol_new auxl_switch_control =
458 SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFLCTL, 6, 1, 0);
460 static const struct snd_kcontrol_new auxr_switch_control =
461 SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFRCTL, 6, 1, 0);
463 /* Vibra playback switches */
464 static const struct snd_kcontrol_new vibral_mux_controls =
465 SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[0],
466 snd_soc_dapm_get_enum_double,
467 twl6040_soc_dapm_put_vibra_enum);
469 static const struct snd_kcontrol_new vibrar_mux_controls =
470 SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[1],
471 snd_soc_dapm_get_enum_double,
472 twl6040_soc_dapm_put_vibra_enum);
474 /* Headset power mode */
475 static const char *twl6040_power_mode_texts[] = {
476 "Low-Power", "High-Performance",
479 static const struct soc_enum twl6040_power_mode_enum =
480 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(twl6040_power_mode_texts),
481 twl6040_power_mode_texts);
483 static int twl6040_headset_power_get_enum(struct snd_kcontrol *kcontrol,
484 struct snd_ctl_elem_value *ucontrol)
486 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
487 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
489 ucontrol->value.enumerated.item[0] = priv->hs_power_mode;
494 static int twl6040_headset_power_put_enum(struct snd_kcontrol *kcontrol,
495 struct snd_ctl_elem_value *ucontrol)
497 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
498 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
499 int high_perf = ucontrol->value.enumerated.item[0];
502 if (!priv->hs_power_mode_locked)
503 ret = headset_power_mode(codec, high_perf);
506 priv->hs_power_mode = high_perf;
511 static int twl6040_pll_get_enum(struct snd_kcontrol *kcontrol,
512 struct snd_ctl_elem_value *ucontrol)
514 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
515 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
517 ucontrol->value.enumerated.item[0] = priv->pll_power_mode;
522 static int twl6040_pll_put_enum(struct snd_kcontrol *kcontrol,
523 struct snd_ctl_elem_value *ucontrol)
525 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
526 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
528 priv->pll_power_mode = ucontrol->value.enumerated.item[0];
533 int twl6040_get_dl1_gain(struct snd_soc_codec *codec)
535 struct snd_soc_dapm_context *dapm = &codec->dapm;
537 if (snd_soc_dapm_get_pin_status(dapm, "EP"))
538 return -1; /* -1dB */
540 if (snd_soc_dapm_get_pin_status(dapm, "HSOR") ||
541 snd_soc_dapm_get_pin_status(dapm, "HSOL")) {
543 u8 val = snd_soc_read(codec, TWL6040_REG_HSLCTL);
544 if (val & TWL6040_HSDACMODE)
545 /* HSDACL in LP mode */
546 return -8; /* -8dB */
548 /* HSDACL in HP mode */
549 return -1; /* -1dB */
553 EXPORT_SYMBOL_GPL(twl6040_get_dl1_gain);
555 int twl6040_get_clk_id(struct snd_soc_codec *codec)
557 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
559 return priv->pll_power_mode;
561 EXPORT_SYMBOL_GPL(twl6040_get_clk_id);
563 int twl6040_get_trim_value(struct snd_soc_codec *codec, enum twl6040_trim trim)
565 if (unlikely(trim >= TWL6040_TRIM_INVAL))
568 return twl6040_read(codec, TWL6040_REG_TRIM1 + trim);
570 EXPORT_SYMBOL_GPL(twl6040_get_trim_value);
572 int twl6040_get_hs_step_size(struct snd_soc_codec *codec)
574 struct twl6040 *twl6040 = codec->control_data;
576 if (twl6040_get_revid(twl6040) < TWL6040_REV_ES1_3)
577 /* For ES under ES_1.3 HS step is 2 mV */
580 /* For ES_1.3 HS step is 1 mV */
583 EXPORT_SYMBOL_GPL(twl6040_get_hs_step_size);
585 static const struct snd_kcontrol_new twl6040_snd_controls[] = {
587 SOC_DOUBLE_TLV("Capture Preamplifier Volume",
588 TWL6040_REG_MICGAIN, 6, 7, 1, 1, mic_preamp_tlv),
589 SOC_DOUBLE_TLV("Capture Volume",
590 TWL6040_REG_MICGAIN, 0, 3, 4, 0, mic_amp_tlv),
593 SOC_DOUBLE_TLV("Aux FM Volume",
594 TWL6040_REG_LINEGAIN, 0, 3, 7, 0, afm_amp_tlv),
597 SOC_DOUBLE_TLV("Headset Playback Volume",
598 TWL6040_REG_HSGAIN, 0, 4, 0xF, 1, hs_tlv),
599 SOC_DOUBLE_R_TLV("Handsfree Playback Volume",
600 TWL6040_REG_HFLGAIN, TWL6040_REG_HFRGAIN, 0, 0x1D, 1, hf_tlv),
601 SOC_SINGLE_TLV("Earphone Playback Volume",
602 TWL6040_REG_EARCTL, 1, 0xF, 1, ep_tlv),
604 SOC_ENUM_EXT("Headset Power Mode", twl6040_power_mode_enum,
605 twl6040_headset_power_get_enum,
606 twl6040_headset_power_put_enum),
608 SOC_ENUM_EXT("PLL Selection", twl6040_power_mode_enum,
609 twl6040_pll_get_enum, twl6040_pll_put_enum),
612 static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
614 SND_SOC_DAPM_INPUT("MAINMIC"),
615 SND_SOC_DAPM_INPUT("HSMIC"),
616 SND_SOC_DAPM_INPUT("SUBMIC"),
617 SND_SOC_DAPM_INPUT("AFML"),
618 SND_SOC_DAPM_INPUT("AFMR"),
621 SND_SOC_DAPM_OUTPUT("HSOL"),
622 SND_SOC_DAPM_OUTPUT("HSOR"),
623 SND_SOC_DAPM_OUTPUT("HFL"),
624 SND_SOC_DAPM_OUTPUT("HFR"),
625 SND_SOC_DAPM_OUTPUT("EP"),
626 SND_SOC_DAPM_OUTPUT("AUXL"),
627 SND_SOC_DAPM_OUTPUT("AUXR"),
628 SND_SOC_DAPM_OUTPUT("VIBRAL"),
629 SND_SOC_DAPM_OUTPUT("VIBRAR"),
631 /* Analog input muxes for the capture amplifiers */
632 SND_SOC_DAPM_MUX("Analog Left Capture Route",
633 SND_SOC_NOPM, 0, 0, &amicl_control),
634 SND_SOC_DAPM_MUX("Analog Right Capture Route",
635 SND_SOC_NOPM, 0, 0, &amicr_control),
637 /* Analog capture PGAs */
638 SND_SOC_DAPM_PGA("MicAmpL",
639 TWL6040_REG_MICLCTL, 0, 0, NULL, 0),
640 SND_SOC_DAPM_PGA("MicAmpR",
641 TWL6040_REG_MICRCTL, 0, 0, NULL, 0),
643 /* Auxiliary FM PGAs */
644 SND_SOC_DAPM_PGA("AFMAmpL",
645 TWL6040_REG_MICLCTL, 1, 0, NULL, 0),
646 SND_SOC_DAPM_PGA("AFMAmpR",
647 TWL6040_REG_MICRCTL, 1, 0, NULL, 0),
650 SND_SOC_DAPM_ADC("ADC Left", NULL, TWL6040_REG_MICLCTL, 2, 0),
651 SND_SOC_DAPM_ADC("ADC Right", NULL, TWL6040_REG_MICRCTL, 2, 0),
653 /* Microphone bias */
654 SND_SOC_DAPM_SUPPLY("Headset Mic Bias",
655 TWL6040_REG_AMICBCTL, 0, 0, NULL, 0),
656 SND_SOC_DAPM_SUPPLY("Main Mic Bias",
657 TWL6040_REG_AMICBCTL, 4, 0, NULL, 0),
658 SND_SOC_DAPM_SUPPLY("Digital Mic1 Bias",
659 TWL6040_REG_DMICBCTL, 0, 0, NULL, 0),
660 SND_SOC_DAPM_SUPPLY("Digital Mic2 Bias",
661 TWL6040_REG_DMICBCTL, 4, 0, NULL, 0),
664 SND_SOC_DAPM_DAC("HSDAC Left", NULL, SND_SOC_NOPM, 0, 0),
665 SND_SOC_DAPM_DAC("HSDAC Right", NULL, SND_SOC_NOPM, 0, 0),
666 SND_SOC_DAPM_DAC("HFDAC Left", NULL, TWL6040_REG_HFLCTL, 0, 0),
667 SND_SOC_DAPM_DAC("HFDAC Right", NULL, TWL6040_REG_HFRCTL, 0, 0),
668 /* Virtual DAC for vibra path (DL4 channel) */
669 SND_SOC_DAPM_DAC("VIBRA DAC", NULL, SND_SOC_NOPM, 0, 0),
671 SND_SOC_DAPM_MUX("Handsfree Left Playback",
672 SND_SOC_NOPM, 0, 0, &hfl_mux_controls),
673 SND_SOC_DAPM_MUX("Handsfree Right Playback",
674 SND_SOC_NOPM, 0, 0, &hfr_mux_controls),
675 /* Analog playback Muxes */
676 SND_SOC_DAPM_MUX("Headset Left Playback",
677 SND_SOC_NOPM, 0, 0, &hsl_mux_controls),
678 SND_SOC_DAPM_MUX("Headset Right Playback",
679 SND_SOC_NOPM, 0, 0, &hsr_mux_controls),
681 SND_SOC_DAPM_MUX("Vibra Left Playback", SND_SOC_NOPM, 0, 0,
682 &vibral_mux_controls),
683 SND_SOC_DAPM_MUX("Vibra Right Playback", SND_SOC_NOPM, 0, 0,
684 &vibrar_mux_controls),
686 SND_SOC_DAPM_SWITCH("Earphone Playback", SND_SOC_NOPM, 0, 0,
687 &ep_path_enable_control),
688 SND_SOC_DAPM_SWITCH("AUXL Playback", SND_SOC_NOPM, 0, 0,
689 &auxl_switch_control),
690 SND_SOC_DAPM_SWITCH("AUXR Playback", SND_SOC_NOPM, 0, 0,
691 &auxr_switch_control),
693 /* Analog playback drivers */
694 SND_SOC_DAPM_OUT_DRV("HF Left Driver",
695 TWL6040_REG_HFLCTL, 4, 0, NULL, 0),
696 SND_SOC_DAPM_OUT_DRV("HF Right Driver",
697 TWL6040_REG_HFRCTL, 4, 0, NULL, 0),
698 SND_SOC_DAPM_OUT_DRV("HS Left Driver",
699 TWL6040_REG_HSLCTL, 2, 0, NULL, 0),
700 SND_SOC_DAPM_OUT_DRV("HS Right Driver",
701 TWL6040_REG_HSRCTL, 2, 0, NULL, 0),
702 SND_SOC_DAPM_OUT_DRV_E("Earphone Driver",
703 TWL6040_REG_EARCTL, 0, 0, NULL, 0,
704 twl6040_ep_drv_event,
705 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
706 SND_SOC_DAPM_OUT_DRV("Vibra Left Driver",
707 TWL6040_REG_VIBCTLL, 0, 0, NULL, 0),
708 SND_SOC_DAPM_OUT_DRV("Vibra Right Driver",
709 TWL6040_REG_VIBCTLR, 0, 0, NULL, 0),
711 SND_SOC_DAPM_SUPPLY("Vibra Left Control", TWL6040_REG_VIBCTLL, 2, 0,
713 SND_SOC_DAPM_SUPPLY("Vibra Right Control", TWL6040_REG_VIBCTLR, 2, 0,
715 SND_SOC_DAPM_SUPPLY_S("HSDAC Power", 1, SND_SOC_NOPM, 0, 0,
716 twl6040_hs_dac_event,
717 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
719 /* Analog playback PGAs */
720 SND_SOC_DAPM_PGA("HF Left PGA",
721 TWL6040_REG_HFLCTL, 1, 0, NULL, 0),
722 SND_SOC_DAPM_PGA("HF Right PGA",
723 TWL6040_REG_HFRCTL, 1, 0, NULL, 0),
727 static const struct snd_soc_dapm_route intercon[] = {
728 /* Stream -> DAC mapping */
729 {"HSDAC Left", NULL, "Legacy Playback"},
730 {"HSDAC Left", NULL, "Headset Playback"},
731 {"HSDAC Right", NULL, "Legacy Playback"},
732 {"HSDAC Right", NULL, "Headset Playback"},
734 {"HFDAC Left", NULL, "Legacy Playback"},
735 {"HFDAC Left", NULL, "Handsfree Playback"},
736 {"HFDAC Right", NULL, "Legacy Playback"},
737 {"HFDAC Right", NULL, "Handsfree Playback"},
739 {"VIBRA DAC", NULL, "Legacy Playback"},
740 {"VIBRA DAC", NULL, "Vibra Playback"},
742 /* ADC -> Stream mapping */
743 {"Legacy Capture" , NULL, "ADC Left"},
744 {"Capture", NULL, "ADC Left"},
745 {"Legacy Capture", NULL, "ADC Right"},
746 {"Capture" , NULL, "ADC Right"},
749 {"Analog Left Capture Route", "Headset Mic", "HSMIC"},
750 {"Analog Left Capture Route", "Main Mic", "MAINMIC"},
751 {"Analog Left Capture Route", "Aux/FM Left", "AFML"},
753 {"Analog Right Capture Route", "Headset Mic", "HSMIC"},
754 {"Analog Right Capture Route", "Sub Mic", "SUBMIC"},
755 {"Analog Right Capture Route", "Aux/FM Right", "AFMR"},
757 {"MicAmpL", NULL, "Analog Left Capture Route"},
758 {"MicAmpR", NULL, "Analog Right Capture Route"},
760 {"ADC Left", NULL, "MicAmpL"},
761 {"ADC Right", NULL, "MicAmpR"},
764 {"AFMAmpL", NULL, "AFML"},
765 {"AFMAmpR", NULL, "AFMR"},
767 {"HSDAC Left", NULL, "HSDAC Power"},
768 {"HSDAC Right", NULL, "HSDAC Power"},
770 {"Headset Left Playback", "HS DAC", "HSDAC Left"},
771 {"Headset Left Playback", "Line-In amp", "AFMAmpL"},
773 {"Headset Right Playback", "HS DAC", "HSDAC Right"},
774 {"Headset Right Playback", "Line-In amp", "AFMAmpR"},
776 {"HS Left Driver", NULL, "Headset Left Playback"},
777 {"HS Right Driver", NULL, "Headset Right Playback"},
779 {"HSOL", NULL, "HS Left Driver"},
780 {"HSOR", NULL, "HS Right Driver"},
782 /* Earphone playback path */
783 {"Earphone Playback", "Switch", "HSDAC Left"},
784 {"Earphone Driver", NULL, "Earphone Playback"},
785 {"EP", NULL, "Earphone Driver"},
787 {"Handsfree Left Playback", "HF DAC", "HFDAC Left"},
788 {"Handsfree Left Playback", "Line-In amp", "AFMAmpL"},
790 {"Handsfree Right Playback", "HF DAC", "HFDAC Right"},
791 {"Handsfree Right Playback", "Line-In amp", "AFMAmpR"},
793 {"HF Left PGA", NULL, "Handsfree Left Playback"},
794 {"HF Right PGA", NULL, "Handsfree Right Playback"},
796 {"HF Left Driver", NULL, "HF Left PGA"},
797 {"HF Right Driver", NULL, "HF Right PGA"},
799 {"HFL", NULL, "HF Left Driver"},
800 {"HFR", NULL, "HF Right Driver"},
802 {"AUXL Playback", "Switch", "HF Left PGA"},
803 {"AUXR Playback", "Switch", "HF Right PGA"},
805 {"AUXL", NULL, "AUXL Playback"},
806 {"AUXR", NULL, "AUXR Playback"},
809 {"Vibra Left Playback", "Audio PDM", "VIBRA DAC"},
810 {"Vibra Right Playback", "Audio PDM", "VIBRA DAC"},
812 {"Vibra Left Driver", NULL, "Vibra Left Playback"},
813 {"Vibra Right Driver", NULL, "Vibra Right Playback"},
814 {"Vibra Left Driver", NULL, "Vibra Left Control"},
815 {"Vibra Right Driver", NULL, "Vibra Right Control"},
817 {"VIBRAL", NULL, "Vibra Left Driver"},
818 {"VIBRAR", NULL, "Vibra Right Driver"},
821 static int twl6040_set_bias_level(struct snd_soc_codec *codec,
822 enum snd_soc_bias_level level)
824 struct twl6040 *twl6040 = codec->control_data;
825 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
829 case SND_SOC_BIAS_ON:
831 case SND_SOC_BIAS_PREPARE:
833 case SND_SOC_BIAS_STANDBY:
834 if (priv->codec_powered)
837 ret = twl6040_power(twl6040, 1);
841 priv->codec_powered = 1;
843 /* Set external boost GPO */
844 twl6040_write(codec, TWL6040_REG_GPOCTL, 0x02);
846 case SND_SOC_BIAS_OFF:
847 if (!priv->codec_powered)
850 twl6040_power(twl6040, 0);
851 priv->codec_powered = 0;
855 codec->dapm.bias_level = level;
860 static int twl6040_startup(struct snd_pcm_substream *substream,
861 struct snd_soc_dai *dai)
863 struct snd_soc_codec *codec = dai->codec;
864 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
866 snd_pcm_hw_constraint_list(substream->runtime, 0,
867 SNDRV_PCM_HW_PARAM_RATE,
868 &sysclk_constraints[priv->pll_power_mode]);
873 static int twl6040_hw_params(struct snd_pcm_substream *substream,
874 struct snd_pcm_hw_params *params,
875 struct snd_soc_dai *dai)
877 struct snd_soc_codec *codec = dai->codec;
878 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
881 rate = params_rate(params);
887 /* These rates are not supported when HPPLL is in use */
888 if (unlikely(priv->pll == TWL6040_SYSCLK_SEL_HPPLL)) {
889 dev_err(codec->dev, "HPPLL does not support rate %d\n",
893 priv->sysclk = 17640000;
900 priv->sysclk = 19200000;
903 dev_err(codec->dev, "unsupported rate %d\n", rate);
910 static int twl6040_prepare(struct snd_pcm_substream *substream,
911 struct snd_soc_dai *dai)
913 struct snd_soc_codec *codec = dai->codec;
914 struct twl6040 *twl6040 = codec->control_data;
915 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
920 "no mclk configured, call set_sysclk() on init\n");
924 ret = twl6040_set_pll(twl6040, priv->pll, priv->clk_in, priv->sysclk);
926 dev_err(codec->dev, "Can not set PLL (%d)\n", ret);
933 static int twl6040_set_dai_sysclk(struct snd_soc_dai *codec_dai,
934 int clk_id, unsigned int freq, int dir)
936 struct snd_soc_codec *codec = codec_dai->codec;
937 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
940 case TWL6040_SYSCLK_SEL_LPPLL:
941 case TWL6040_SYSCLK_SEL_HPPLL:
946 dev_err(codec->dev, "unknown clk_id %d\n", clk_id);
953 static void twl6040_mute_path(struct snd_soc_codec *codec, enum twl6040_dai_id id,
956 struct twl6040 *twl6040 = codec->control_data;
957 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
958 int hslctl, hsrctl, earctl;
962 case TWL6040_DAI_DL1:
963 hslctl = twl6040_read(codec, TWL6040_REG_HSLCTL);
964 hsrctl = twl6040_read(codec, TWL6040_REG_HSRCTL);
965 earctl = twl6040_read(codec, TWL6040_REG_EARCTL);
968 /* Power down drivers and DACs */
970 hslctl &= ~(TWL6040_HSDRVENA | TWL6040_HSDACENA);
971 hsrctl &= ~(TWL6040_HSDRVENA | TWL6040_HSDACENA);
975 twl6040_reg_write(twl6040, TWL6040_REG_EARCTL, earctl);
976 twl6040_reg_write(twl6040, TWL6040_REG_HSLCTL, hslctl);
977 twl6040_reg_write(twl6040, TWL6040_REG_HSRCTL, hsrctl);
978 priv->dl1_unmuted = !mute;
980 case TWL6040_DAI_DL2:
981 hflctl = twl6040_read(codec, TWL6040_REG_HFLCTL);
982 hfrctl = twl6040_read(codec, TWL6040_REG_HFRCTL);
985 /* Power down drivers and DACs */
986 hflctl &= ~(TWL6040_HFDACENA | TWL6040_HFPGAENA |
988 hfrctl &= ~(TWL6040_HFDACENA | TWL6040_HFPGAENA |
992 twl6040_reg_write(twl6040, TWL6040_REG_HFLCTL, hflctl);
993 twl6040_reg_write(twl6040, TWL6040_REG_HFRCTL, hfrctl);
994 priv->dl2_unmuted = !mute;
1001 static int twl6040_digital_mute(struct snd_soc_dai *dai, int mute)
1004 case TWL6040_DAI_LEGACY:
1005 twl6040_mute_path(dai->codec, TWL6040_DAI_DL1, mute);
1006 twl6040_mute_path(dai->codec, TWL6040_DAI_DL2, mute);
1008 case TWL6040_DAI_DL1:
1009 case TWL6040_DAI_DL2:
1010 twl6040_mute_path(dai->codec, dai->id, mute);
1019 static const struct snd_soc_dai_ops twl6040_dai_ops = {
1020 .startup = twl6040_startup,
1021 .hw_params = twl6040_hw_params,
1022 .prepare = twl6040_prepare,
1023 .set_sysclk = twl6040_set_dai_sysclk,
1024 .digital_mute = twl6040_digital_mute,
1027 static struct snd_soc_dai_driver twl6040_dai[] = {
1029 .name = "twl6040-legacy",
1030 .id = TWL6040_DAI_LEGACY,
1032 .stream_name = "Legacy Playback",
1035 .rates = TWL6040_RATES,
1036 .formats = TWL6040_FORMATS,
1039 .stream_name = "Legacy Capture",
1042 .rates = TWL6040_RATES,
1043 .formats = TWL6040_FORMATS,
1045 .ops = &twl6040_dai_ops,
1048 .name = "twl6040-ul",
1049 .id = TWL6040_DAI_UL,
1051 .stream_name = "Capture",
1054 .rates = TWL6040_RATES,
1055 .formats = TWL6040_FORMATS,
1057 .ops = &twl6040_dai_ops,
1060 .name = "twl6040-dl1",
1061 .id = TWL6040_DAI_DL1,
1063 .stream_name = "Headset Playback",
1066 .rates = TWL6040_RATES,
1067 .formats = TWL6040_FORMATS,
1069 .ops = &twl6040_dai_ops,
1072 .name = "twl6040-dl2",
1073 .id = TWL6040_DAI_DL2,
1075 .stream_name = "Handsfree Playback",
1078 .rates = TWL6040_RATES,
1079 .formats = TWL6040_FORMATS,
1081 .ops = &twl6040_dai_ops,
1084 .name = "twl6040-vib",
1085 .id = TWL6040_DAI_VIB,
1087 .stream_name = "Vibra Playback",
1090 .rates = SNDRV_PCM_RATE_CONTINUOUS,
1091 .formats = TWL6040_FORMATS,
1093 .ops = &twl6040_dai_ops,
1098 static int twl6040_suspend(struct snd_soc_codec *codec)
1100 twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
1105 static int twl6040_resume(struct snd_soc_codec *codec)
1107 twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1112 #define twl6040_suspend NULL
1113 #define twl6040_resume NULL
1116 static int twl6040_probe(struct snd_soc_codec *codec)
1118 struct twl6040_data *priv;
1119 struct twl6040 *twl6040 = dev_get_drvdata(codec->dev->parent);
1120 struct platform_device *pdev = container_of(codec->dev,
1121 struct platform_device, dev);
1124 priv = devm_kzalloc(codec->dev, sizeof(*priv), GFP_KERNEL);
1128 snd_soc_codec_set_drvdata(codec, priv);
1130 priv->codec = codec;
1131 codec->control_data = twl6040;
1133 priv->plug_irq = platform_get_irq(pdev, 0);
1134 if (priv->plug_irq < 0) {
1135 dev_err(codec->dev, "invalid irq\n");
1139 INIT_DELAYED_WORK(&priv->hs_jack.work, twl6040_accessory_work);
1141 mutex_init(&priv->mutex);
1143 ret = request_threaded_irq(priv->plug_irq, NULL,
1144 twl6040_audio_handler, IRQF_NO_SUSPEND,
1145 "twl6040_irq_plug", codec);
1147 dev_err(codec->dev, "PLUG IRQ request failed: %d\n", ret);
1151 twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1152 twl6040_init_chip(codec);
1157 static int twl6040_remove(struct snd_soc_codec *codec)
1159 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1161 free_irq(priv->plug_irq, codec);
1162 twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
1167 static struct snd_soc_codec_driver soc_codec_dev_twl6040 = {
1168 .probe = twl6040_probe,
1169 .remove = twl6040_remove,
1170 .suspend = twl6040_suspend,
1171 .resume = twl6040_resume,
1172 .read = twl6040_read,
1173 .write = twl6040_write,
1174 .set_bias_level = twl6040_set_bias_level,
1175 .ignore_pmdown_time = true,
1177 .controls = twl6040_snd_controls,
1178 .num_controls = ARRAY_SIZE(twl6040_snd_controls),
1179 .dapm_widgets = twl6040_dapm_widgets,
1180 .num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets),
1181 .dapm_routes = intercon,
1182 .num_dapm_routes = ARRAY_SIZE(intercon),
1185 static int twl6040_codec_probe(struct platform_device *pdev)
1187 return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_twl6040,
1188 twl6040_dai, ARRAY_SIZE(twl6040_dai));
1191 static int twl6040_codec_remove(struct platform_device *pdev)
1193 snd_soc_unregister_codec(&pdev->dev);
1197 static struct platform_driver twl6040_codec_driver = {
1199 .name = "twl6040-codec",
1200 .owner = THIS_MODULE,
1202 .probe = twl6040_codec_probe,
1203 .remove = twl6040_codec_remove,
1206 module_platform_driver(twl6040_codec_driver);
1208 MODULE_DESCRIPTION("ASoC TWL6040 codec driver");
1209 MODULE_AUTHOR("Misael Lopez Cruz");
1210 MODULE_LICENSE("GPL");