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/i2c/twl.h>
30 #include <linux/mfd/twl6040.h>
32 #include <sound/core.h>
33 #include <sound/pcm.h>
34 #include <sound/pcm_params.h>
35 #include <sound/soc.h>
36 #include <sound/soc-dapm.h>
37 #include <sound/initval.h>
38 #include <sound/tlv.h>
42 #define TWL6040_RATES SNDRV_PCM_RATE_8000_96000
43 #define TWL6040_FORMATS (SNDRV_PCM_FMTBIT_S32_LE)
45 #define TWL6040_OUTHS_0dB 0x00
46 #define TWL6040_OUTHS_M30dB 0x0F
47 #define TWL6040_OUTHF_0dB 0x03
48 #define TWL6040_OUTHF_M52dB 0x1D
50 #define TWL6040_RAMP_NONE 0
51 #define TWL6040_RAMP_UP 1
52 #define TWL6040_RAMP_DOWN 2
54 #define TWL6040_HSL_VOL_MASK 0x0F
55 #define TWL6040_HSL_VOL_SHIFT 0
56 #define TWL6040_HSR_VOL_MASK 0xF0
57 #define TWL6040_HSR_VOL_SHIFT 4
58 #define TWL6040_HF_VOL_MASK 0x1F
59 #define TWL6040_HF_VOL_SHIFT 0
61 /* Shadow register used by the driver */
62 #define TWL6040_REG_SW_SHADOW 0x2F
63 #define TWL6040_CACHEREGNUM (TWL6040_REG_SW_SHADOW + 1)
65 /* TWL6040_REG_SW_SHADOW (0x2F) fields */
66 #define TWL6040_EAR_PATH_ENABLE 0x01
68 struct twl6040_output {
74 unsigned int step_delay;
76 struct delayed_work work;
77 struct completion ramp_done;
80 struct twl6040_jack_data {
81 struct snd_soc_jack *jack;
82 struct delayed_work work;
86 /* codec private data */
93 int hs_power_mode_locked;
100 struct twl6040_jack_data hs_jack;
101 struct snd_soc_codec *codec;
102 struct workqueue_struct *workqueue;
104 struct twl6040_output headset;
105 struct twl6040_output handsfree;
109 * twl6040 register cache & default register settings
111 static const u8 twl6040_reg[TWL6040_CACHEREGNUM] = {
112 0x00, /* not used 0x00 */
113 0x4B, /* REG_ASICID 0x01 (ro) */
114 0x00, /* REG_ASICREV 0x02 (ro) */
115 0x00, /* REG_INTID 0x03 */
116 0x00, /* REG_INTMR 0x04 */
117 0x00, /* REG_NCPCTRL 0x05 */
118 0x00, /* REG_LDOCTL 0x06 */
119 0x60, /* REG_HPPLLCTL 0x07 */
120 0x00, /* REG_LPPLLCTL 0x08 */
121 0x4A, /* REG_LPPLLDIV 0x09 */
122 0x00, /* REG_AMICBCTL 0x0A */
123 0x00, /* REG_DMICBCTL 0x0B */
124 0x00, /* REG_MICLCTL 0x0C */
125 0x00, /* REG_MICRCTL 0x0D */
126 0x00, /* REG_MICGAIN 0x0E */
127 0x1B, /* REG_LINEGAIN 0x0F */
128 0x00, /* REG_HSLCTL 0x10 */
129 0x00, /* REG_HSRCTL 0x11 */
130 0x00, /* REG_HSGAIN 0x12 */
131 0x00, /* REG_EARCTL 0x13 */
132 0x00, /* REG_HFLCTL 0x14 */
133 0x00, /* REG_HFLGAIN 0x15 */
134 0x00, /* REG_HFRCTL 0x16 */
135 0x00, /* REG_HFRGAIN 0x17 */
136 0x00, /* REG_VIBCTLL 0x18 */
137 0x00, /* REG_VIBDATL 0x19 */
138 0x00, /* REG_VIBCTLR 0x1A */
139 0x00, /* REG_VIBDATR 0x1B */
140 0x00, /* REG_HKCTL1 0x1C */
141 0x00, /* REG_HKCTL2 0x1D */
142 0x00, /* REG_GPOCTL 0x1E */
143 0x00, /* REG_ALB 0x1F */
144 0x00, /* REG_DLB 0x20 */
145 0x00, /* not used 0x21 */
146 0x00, /* not used 0x22 */
147 0x00, /* not used 0x23 */
148 0x00, /* not used 0x24 */
149 0x00, /* not used 0x25 */
150 0x00, /* not used 0x26 */
151 0x00, /* not used 0x27 */
152 0x00, /* REG_TRIM1 0x28 */
153 0x00, /* REG_TRIM2 0x29 */
154 0x00, /* REG_TRIM3 0x2A */
155 0x00, /* REG_HSOTRIM 0x2B */
156 0x00, /* REG_HFOTRIM 0x2C */
157 0x09, /* REG_ACCCTL 0x2D */
158 0x00, /* REG_STATUS 0x2E (ro) */
160 0x00, /* REG_SW_SHADOW 0x2F - Shadow, non HW register */
163 /* List of registers to be restored after power up */
164 static const int twl6040_restore_list[] = {
168 TWL6040_REG_LINEGAIN,
179 /* set of rates for each pll: low-power and high-performance */
180 static unsigned int lp_rates[] = {
192 static unsigned int hp_rates[] = {
200 static struct snd_pcm_hw_constraint_list sysclk_constraints[] = {
201 { .count = ARRAY_SIZE(lp_rates), .list = lp_rates, },
202 { .count = ARRAY_SIZE(hp_rates), .list = hp_rates, },
206 * read twl6040 register cache
208 static inline unsigned int twl6040_read_reg_cache(struct snd_soc_codec *codec,
211 u8 *cache = codec->reg_cache;
213 if (reg >= TWL6040_CACHEREGNUM)
220 * write twl6040 register cache
222 static inline void twl6040_write_reg_cache(struct snd_soc_codec *codec,
225 u8 *cache = codec->reg_cache;
227 if (reg >= TWL6040_CACHEREGNUM)
233 * read from twl6040 hardware register
235 static int twl6040_read_reg_volatile(struct snd_soc_codec *codec,
238 struct twl6040 *twl6040 = codec->control_data;
241 if (reg >= TWL6040_CACHEREGNUM)
244 if (likely(reg < TWL6040_REG_SW_SHADOW)) {
245 value = twl6040_reg_read(twl6040, reg);
246 twl6040_write_reg_cache(codec, reg, value);
248 value = twl6040_read_reg_cache(codec, reg);
255 * write to the twl6040 register space
257 static int twl6040_write(struct snd_soc_codec *codec,
258 unsigned int reg, unsigned int value)
260 struct twl6040 *twl6040 = codec->control_data;
262 if (reg >= TWL6040_CACHEREGNUM)
265 twl6040_write_reg_cache(codec, reg, value);
266 if (likely(reg < TWL6040_REG_SW_SHADOW))
267 return twl6040_reg_write(twl6040, reg, value);
272 static void twl6040_init_chip(struct snd_soc_codec *codec)
274 struct twl6040 *twl6040 = codec->control_data;
277 /* Update reg_cache: ASICREV, and TRIM values */
278 val = twl6040_get_revid(twl6040);
279 twl6040_write_reg_cache(codec, TWL6040_REG_ASICREV, val);
281 twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM1);
282 twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM2);
283 twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM3);
284 twl6040_read_reg_volatile(codec, TWL6040_REG_HSOTRIM);
285 twl6040_read_reg_volatile(codec, TWL6040_REG_HFOTRIM);
287 /* Change chip defaults */
288 /* No imput selected for microphone amplifiers */
289 twl6040_write_reg_cache(codec, TWL6040_REG_MICLCTL, 0x18);
290 twl6040_write_reg_cache(codec, TWL6040_REG_MICRCTL, 0x18);
293 * We need to lower the default gain values, so the ramp code
294 * can work correctly for the first playback.
295 * This reduces the pop noise heard at the first playback.
297 twl6040_write_reg_cache(codec, TWL6040_REG_HSGAIN, 0xff);
298 twl6040_write_reg_cache(codec, TWL6040_REG_EARCTL, 0x1e);
299 twl6040_write_reg_cache(codec, TWL6040_REG_HFLGAIN, 0x1d);
300 twl6040_write_reg_cache(codec, TWL6040_REG_HFRGAIN, 0x1d);
301 twl6040_write_reg_cache(codec, TWL6040_REG_LINEGAIN, 0);
304 static void twl6040_restore_regs(struct snd_soc_codec *codec)
306 u8 *cache = codec->reg_cache;
309 for (i = 0; i < ARRAY_SIZE(twl6040_restore_list); i++) {
310 reg = twl6040_restore_list[i];
311 twl6040_write(codec, reg, cache[reg]);
316 * Ramp HS PGA volume to minimise pops at stream startup and shutdown.
318 static inline int twl6040_hs_ramp_step(struct snd_soc_codec *codec,
319 unsigned int left_step, unsigned int right_step)
322 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
323 struct twl6040_output *headset = &priv->headset;
324 int left_complete = 0, right_complete = 0;
328 left_step = (left_step > 0xF) ? 0xF : left_step;
329 reg = twl6040_read_reg_cache(codec, TWL6040_REG_HSGAIN);
330 val = (~reg & TWL6040_HSL_VOL_MASK);
332 if (headset->ramp == TWL6040_RAMP_UP) {
334 if (val < headset->left_vol) {
335 if (val + left_step > headset->left_vol)
336 val = headset->left_vol;
340 reg &= ~TWL6040_HSL_VOL_MASK;
341 twl6040_write(codec, TWL6040_REG_HSGAIN,
342 (reg | (~val & TWL6040_HSL_VOL_MASK)));
346 } else if (headset->ramp == TWL6040_RAMP_DOWN) {
349 if ((int)val - (int)left_step < 0)
354 reg &= ~TWL6040_HSL_VOL_MASK;
355 twl6040_write(codec, TWL6040_REG_HSGAIN, reg |
356 (~val & TWL6040_HSL_VOL_MASK));
363 right_step = (right_step > 0xF) ? 0xF : right_step;
364 reg = twl6040_read_reg_cache(codec, TWL6040_REG_HSGAIN);
365 val = (~reg & TWL6040_HSR_VOL_MASK) >> TWL6040_HSR_VOL_SHIFT;
367 if (headset->ramp == TWL6040_RAMP_UP) {
369 if (val < headset->right_vol) {
370 if (val + right_step > headset->right_vol)
371 val = headset->right_vol;
375 reg &= ~TWL6040_HSR_VOL_MASK;
376 twl6040_write(codec, TWL6040_REG_HSGAIN,
377 (reg | (~val << TWL6040_HSR_VOL_SHIFT)));
381 } else if (headset->ramp == TWL6040_RAMP_DOWN) {
384 if ((int)val - (int)right_step < 0)
389 reg &= ~TWL6040_HSR_VOL_MASK;
390 twl6040_write(codec, TWL6040_REG_HSGAIN,
391 reg | (~val << TWL6040_HSR_VOL_SHIFT));
397 return left_complete & right_complete;
401 * Ramp HF PGA volume to minimise pops at stream startup and shutdown.
403 static inline int twl6040_hf_ramp_step(struct snd_soc_codec *codec,
404 unsigned int left_step, unsigned int right_step)
406 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
407 struct twl6040_output *handsfree = &priv->handsfree;
408 int left_complete = 0, right_complete = 0;
412 left_step = (left_step > 0x1D) ? 0x1D : left_step;
413 reg = twl6040_read_reg_cache(codec, TWL6040_REG_HFLGAIN);
415 val = (reg & TWL6040_HF_VOL_MASK);
416 if (handsfree->ramp == TWL6040_RAMP_UP) {
418 if (val < handsfree->left_vol) {
419 if (val + left_step > handsfree->left_vol)
420 val = handsfree->left_vol;
424 reg &= ~TWL6040_HF_VOL_MASK;
425 twl6040_write(codec, TWL6040_REG_HFLGAIN,
430 } else if (handsfree->ramp == TWL6040_RAMP_DOWN) {
433 if ((int)val - (int)left_step < 0)
438 reg &= ~TWL6040_HF_VOL_MASK;
439 twl6040_write(codec, TWL6040_REG_HFLGAIN,
447 right_step = (right_step > 0x1D) ? 0x1D : right_step;
448 reg = twl6040_read_reg_cache(codec, TWL6040_REG_HFRGAIN);
450 val = (reg & TWL6040_HF_VOL_MASK);
451 if (handsfree->ramp == TWL6040_RAMP_UP) {
453 if (val < handsfree->right_vol) {
454 if (val + right_step > handsfree->right_vol)
455 val = handsfree->right_vol;
459 reg &= ~TWL6040_HF_VOL_MASK;
460 twl6040_write(codec, TWL6040_REG_HFRGAIN,
465 } else if (handsfree->ramp == TWL6040_RAMP_DOWN) {
468 if ((int)val - (int)right_step < 0)
473 reg &= ~TWL6040_HF_VOL_MASK;
474 twl6040_write(codec, TWL6040_REG_HFRGAIN,
479 return left_complete & right_complete;
483 * This work ramps both output PGAs at stream start/stop time to
484 * minimise pop associated with DAPM power switching.
486 static void twl6040_pga_hs_work(struct work_struct *work)
488 struct twl6040_data *priv =
489 container_of(work, struct twl6040_data, headset.work.work);
490 struct snd_soc_codec *codec = priv->codec;
491 struct twl6040_output *headset = &priv->headset;
492 int i, headset_complete;
494 /* do we need to ramp at all ? */
495 if (headset->ramp == TWL6040_RAMP_NONE)
498 /* HS PGA gain range: 0x0 - 0xf (0 - 15) */
499 for (i = 0; i < 16; i++) {
500 headset_complete = twl6040_hs_ramp_step(codec,
502 headset->right_step);
504 /* ramp finished ? */
505 if (headset_complete)
508 schedule_timeout_interruptible(
509 msecs_to_jiffies(headset->step_delay));
512 if (headset->ramp == TWL6040_RAMP_DOWN) {
514 complete(&headset->ramp_done);
518 headset->ramp = TWL6040_RAMP_NONE;
521 static void twl6040_pga_hf_work(struct work_struct *work)
523 struct twl6040_data *priv =
524 container_of(work, struct twl6040_data, handsfree.work.work);
525 struct snd_soc_codec *codec = priv->codec;
526 struct twl6040_output *handsfree = &priv->handsfree;
527 int i, handsfree_complete;
529 /* do we need to ramp at all ? */
530 if (handsfree->ramp == TWL6040_RAMP_NONE)
534 * HF PGA gain range: 0x00 - 0x1d (0 - 29) */
535 for (i = 0; i < 30; i++) {
536 handsfree_complete = twl6040_hf_ramp_step(codec,
537 handsfree->left_step,
538 handsfree->right_step);
540 /* ramp finished ? */
541 if (handsfree_complete)
544 schedule_timeout_interruptible(
545 msecs_to_jiffies(handsfree->step_delay));
549 if (handsfree->ramp == TWL6040_RAMP_DOWN) {
550 handsfree->active = 0;
551 complete(&handsfree->ramp_done);
553 handsfree->active = 1;
554 handsfree->ramp = TWL6040_RAMP_NONE;
557 static int out_drv_event(struct snd_soc_dapm_widget *w,
558 struct snd_kcontrol *kcontrol, int event)
560 struct snd_soc_codec *codec = w->codec;
561 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
562 struct twl6040_output *out;
563 struct delayed_work *work;
566 case 2: /* Headset output driver */
567 out = &priv->headset;
570 * Make sure, that we do not mess up variables for already
573 cancel_delayed_work_sync(work);
575 out->left_step = priv->hs_left_step;
576 out->right_step = priv->hs_right_step;
577 out->step_delay = 5; /* 5 ms between volume ramp steps */
579 case 4: /* Handsfree output driver */
580 out = &priv->handsfree;
583 * Make sure, that we do not mess up variables for already
586 cancel_delayed_work_sync(work);
588 out->left_step = priv->hf_left_step;
589 out->right_step = priv->hf_right_step;
590 out->step_delay = 5; /* 5 ms between volume ramp steps */
597 case SND_SOC_DAPM_POST_PMU:
601 /* don't use volume ramp for power-up */
602 out->ramp = TWL6040_RAMP_UP;
603 out->left_step = out->left_vol;
604 out->right_step = out->right_vol;
606 queue_delayed_work(priv->workqueue, work, msecs_to_jiffies(1));
609 case SND_SOC_DAPM_PRE_PMD:
613 /* use volume ramp for power-down */
614 out->ramp = TWL6040_RAMP_DOWN;
615 INIT_COMPLETION(out->ramp_done);
617 queue_delayed_work(priv->workqueue, work, msecs_to_jiffies(1));
619 wait_for_completion_timeout(&out->ramp_done,
620 msecs_to_jiffies(2000));
627 /* set headset dac and driver power mode */
628 static int headset_power_mode(struct snd_soc_codec *codec, int high_perf)
631 int mask = TWL6040_HSDRVMODE | TWL6040_HSDACMODE;
633 hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL);
634 hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL);
644 twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl);
645 twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl);
650 static int twl6040_hs_dac_event(struct snd_soc_dapm_widget *w,
651 struct snd_kcontrol *kcontrol, int event)
653 struct snd_soc_codec *codec = w->codec;
657 * Workaround for Headset DC offset caused pop noise:
658 * Both HS DAC need to be turned on (before the HS driver) and off at
661 hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL);
662 hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL);
663 if (SND_SOC_DAPM_EVENT_ON(event)) {
664 hslctl |= TWL6040_HSDACENA;
665 hsrctl |= TWL6040_HSDACENA;
667 hslctl &= ~TWL6040_HSDACENA;
668 hsrctl &= ~TWL6040_HSDACENA;
670 twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl);
671 twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl);
677 static int twl6040_ep_drv_event(struct snd_soc_dapm_widget *w,
678 struct snd_kcontrol *kcontrol, int event)
680 struct snd_soc_codec *codec = w->codec;
681 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
684 if (SND_SOC_DAPM_EVENT_ON(event)) {
685 /* Earphone doesn't support low power mode */
686 priv->hs_power_mode_locked = 1;
687 ret = headset_power_mode(codec, 1);
689 priv->hs_power_mode_locked = 0;
690 ret = headset_power_mode(codec, priv->hs_power_mode);
698 static void twl6040_hs_jack_report(struct snd_soc_codec *codec,
699 struct snd_soc_jack *jack, int report)
701 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
704 mutex_lock(&priv->mutex);
707 status = twl6040_read_reg_volatile(codec, TWL6040_REG_STATUS);
708 if (status & TWL6040_PLUGCOMP)
709 snd_soc_jack_report(jack, report, report);
711 snd_soc_jack_report(jack, 0, report);
713 mutex_unlock(&priv->mutex);
716 void twl6040_hs_jack_detect(struct snd_soc_codec *codec,
717 struct snd_soc_jack *jack, int report)
719 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
720 struct twl6040_jack_data *hs_jack = &priv->hs_jack;
722 hs_jack->jack = jack;
723 hs_jack->report = report;
725 twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
727 EXPORT_SYMBOL_GPL(twl6040_hs_jack_detect);
729 static void twl6040_accessory_work(struct work_struct *work)
731 struct twl6040_data *priv = container_of(work,
732 struct twl6040_data, hs_jack.work.work);
733 struct snd_soc_codec *codec = priv->codec;
734 struct twl6040_jack_data *hs_jack = &priv->hs_jack;
736 twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
739 /* audio interrupt handler */
740 static irqreturn_t twl6040_audio_handler(int irq, void *data)
742 struct snd_soc_codec *codec = data;
743 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
745 queue_delayed_work(priv->workqueue, &priv->hs_jack.work,
746 msecs_to_jiffies(200));
751 static int twl6040_put_volsw(struct snd_kcontrol *kcontrol,
752 struct snd_ctl_elem_value *ucontrol)
754 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
755 struct twl6040_data *twl6040_priv = snd_soc_codec_get_drvdata(codec);
756 struct twl6040_output *out = NULL;
757 struct soc_mixer_control *mc =
758 (struct soc_mixer_control *)kcontrol->private_value;
761 /* For HS and HF we shadow the values and only actually write
762 * them out when active in order to ensure the amplifier comes on
763 * as quietly as possible. */
765 case TWL6040_REG_HSGAIN:
766 out = &twl6040_priv->headset;
768 case TWL6040_REG_HFLGAIN:
769 out = &twl6040_priv->handsfree;
772 dev_warn(codec->dev, "%s: Unexpected register: 0x%02x\n",
777 out->left_vol = ucontrol->value.integer.value[0];
778 out->right_vol = ucontrol->value.integer.value[1];
782 ret = snd_soc_put_volsw(kcontrol, ucontrol);
789 static int twl6040_get_volsw(struct snd_kcontrol *kcontrol,
790 struct snd_ctl_elem_value *ucontrol)
792 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
793 struct twl6040_data *twl6040_priv = snd_soc_codec_get_drvdata(codec);
794 struct twl6040_output *out = &twl6040_priv->headset;
795 struct soc_mixer_control *mc =
796 (struct soc_mixer_control *)kcontrol->private_value;
799 case TWL6040_REG_HSGAIN:
800 out = &twl6040_priv->headset;
802 case TWL6040_REG_HFLGAIN:
803 out = &twl6040_priv->handsfree;
806 dev_warn(codec->dev, "%s: Unexpected register: 0x%02x\n",
811 ucontrol->value.integer.value[0] = out->left_vol;
812 ucontrol->value.integer.value[1] = out->right_vol;
816 static int twl6040_soc_dapm_put_vibra_enum(struct snd_kcontrol *kcontrol,
817 struct snd_ctl_elem_value *ucontrol)
819 struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
820 struct snd_soc_dapm_widget *widget = wlist->widgets[0];
821 struct snd_soc_codec *codec = widget->codec;
822 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
825 /* Do not allow changes while Input/FF efect is running */
826 val = twl6040_read_reg_volatile(codec, e->reg);
827 if (val & TWL6040_VIBENA && !(val & TWL6040_VIBSEL))
830 return snd_soc_dapm_put_enum_double(kcontrol, ucontrol);
834 * MICATT volume control:
835 * from -6 to 0 dB in 6 dB steps
837 static DECLARE_TLV_DB_SCALE(mic_preamp_tlv, -600, 600, 0);
840 * MICGAIN volume control:
841 * from 6 to 30 dB in 6 dB steps
843 static DECLARE_TLV_DB_SCALE(mic_amp_tlv, 600, 600, 0);
846 * AFMGAIN volume control:
847 * from -18 to 24 dB in 6 dB steps
849 static DECLARE_TLV_DB_SCALE(afm_amp_tlv, -1800, 600, 0);
852 * HSGAIN volume control:
853 * from -30 to 0 dB in 2 dB steps
855 static DECLARE_TLV_DB_SCALE(hs_tlv, -3000, 200, 0);
858 * HFGAIN volume control:
859 * from -52 to 6 dB in 2 dB steps
861 static DECLARE_TLV_DB_SCALE(hf_tlv, -5200, 200, 0);
864 * EPGAIN volume control:
865 * from -24 to 6 dB in 2 dB steps
867 static DECLARE_TLV_DB_SCALE(ep_tlv, -2400, 200, 0);
869 /* Left analog microphone selection */
870 static const char *twl6040_amicl_texts[] =
871 {"Headset Mic", "Main Mic", "Aux/FM Left", "Off"};
873 /* Right analog microphone selection */
874 static const char *twl6040_amicr_texts[] =
875 {"Headset Mic", "Sub Mic", "Aux/FM Right", "Off"};
877 static const struct soc_enum twl6040_enum[] = {
878 SOC_ENUM_SINGLE(TWL6040_REG_MICLCTL, 3, 4, twl6040_amicl_texts),
879 SOC_ENUM_SINGLE(TWL6040_REG_MICRCTL, 3, 4, twl6040_amicr_texts),
882 static const char *twl6040_hs_texts[] = {
883 "Off", "HS DAC", "Line-In amp"
886 static const struct soc_enum twl6040_hs_enum[] = {
887 SOC_ENUM_SINGLE(TWL6040_REG_HSLCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
889 SOC_ENUM_SINGLE(TWL6040_REG_HSRCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
893 static const char *twl6040_hf_texts[] = {
894 "Off", "HF DAC", "Line-In amp"
897 static const struct soc_enum twl6040_hf_enum[] = {
898 SOC_ENUM_SINGLE(TWL6040_REG_HFLCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
900 SOC_ENUM_SINGLE(TWL6040_REG_HFRCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
904 static const char *twl6040_vibrapath_texts[] = {
905 "Input FF", "Audio PDM"
908 static const struct soc_enum twl6040_vibra_enum[] = {
909 SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLL, 1,
910 ARRAY_SIZE(twl6040_vibrapath_texts),
911 twl6040_vibrapath_texts),
912 SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLR, 1,
913 ARRAY_SIZE(twl6040_vibrapath_texts),
914 twl6040_vibrapath_texts),
917 static const struct snd_kcontrol_new amicl_control =
918 SOC_DAPM_ENUM("Route", twl6040_enum[0]);
920 static const struct snd_kcontrol_new amicr_control =
921 SOC_DAPM_ENUM("Route", twl6040_enum[1]);
923 /* Headset DAC playback switches */
924 static const struct snd_kcontrol_new hsl_mux_controls =
925 SOC_DAPM_ENUM("Route", twl6040_hs_enum[0]);
927 static const struct snd_kcontrol_new hsr_mux_controls =
928 SOC_DAPM_ENUM("Route", twl6040_hs_enum[1]);
930 /* Handsfree DAC playback switches */
931 static const struct snd_kcontrol_new hfl_mux_controls =
932 SOC_DAPM_ENUM("Route", twl6040_hf_enum[0]);
934 static const struct snd_kcontrol_new hfr_mux_controls =
935 SOC_DAPM_ENUM("Route", twl6040_hf_enum[1]);
937 static const struct snd_kcontrol_new ep_path_enable_control =
938 SOC_DAPM_SINGLE("Switch", TWL6040_REG_SW_SHADOW, 0, 1, 0);
940 static const struct snd_kcontrol_new auxl_switch_control =
941 SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFLCTL, 6, 1, 0);
943 static const struct snd_kcontrol_new auxr_switch_control =
944 SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFRCTL, 6, 1, 0);
946 /* Vibra playback switches */
947 static const struct snd_kcontrol_new vibral_mux_controls =
948 SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[0],
949 snd_soc_dapm_get_enum_double,
950 twl6040_soc_dapm_put_vibra_enum);
952 static const struct snd_kcontrol_new vibrar_mux_controls =
953 SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[1],
954 snd_soc_dapm_get_enum_double,
955 twl6040_soc_dapm_put_vibra_enum);
957 /* Headset power mode */
958 static const char *twl6040_power_mode_texts[] = {
959 "Low-Power", "High-Perfomance",
962 static const struct soc_enum twl6040_power_mode_enum =
963 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(twl6040_power_mode_texts),
964 twl6040_power_mode_texts);
966 static int twl6040_headset_power_get_enum(struct snd_kcontrol *kcontrol,
967 struct snd_ctl_elem_value *ucontrol)
969 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
970 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
972 ucontrol->value.enumerated.item[0] = priv->hs_power_mode;
977 static int twl6040_headset_power_put_enum(struct snd_kcontrol *kcontrol,
978 struct snd_ctl_elem_value *ucontrol)
980 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
981 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
982 int high_perf = ucontrol->value.enumerated.item[0];
985 if (!priv->hs_power_mode_locked)
986 ret = headset_power_mode(codec, high_perf);
989 priv->hs_power_mode = high_perf;
994 static int twl6040_pll_get_enum(struct snd_kcontrol *kcontrol,
995 struct snd_ctl_elem_value *ucontrol)
997 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
998 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1000 ucontrol->value.enumerated.item[0] = priv->pll_power_mode;
1005 static int twl6040_pll_put_enum(struct snd_kcontrol *kcontrol,
1006 struct snd_ctl_elem_value *ucontrol)
1008 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
1009 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1011 priv->pll_power_mode = ucontrol->value.enumerated.item[0];
1016 int twl6040_get_dl1_gain(struct snd_soc_codec *codec)
1018 struct snd_soc_dapm_context *dapm = &codec->dapm;
1020 if (snd_soc_dapm_get_pin_status(dapm, "EP"))
1021 return -1; /* -1dB */
1023 if (snd_soc_dapm_get_pin_status(dapm, "HSOR") ||
1024 snd_soc_dapm_get_pin_status(dapm, "HSOL")) {
1026 u8 val = snd_soc_read(codec, TWL6040_REG_HSLCTL);
1027 if (val & TWL6040_HSDACMODE)
1028 /* HSDACL in LP mode */
1029 return -8; /* -8dB */
1031 /* HSDACL in HP mode */
1032 return -1; /* -1dB */
1036 EXPORT_SYMBOL_GPL(twl6040_get_dl1_gain);
1038 int twl6040_get_clk_id(struct snd_soc_codec *codec)
1040 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1042 return priv->pll_power_mode;
1044 EXPORT_SYMBOL_GPL(twl6040_get_clk_id);
1046 int twl6040_get_trim_value(struct snd_soc_codec *codec, enum twl6040_trim trim)
1048 if (unlikely(trim >= TWL6040_TRIM_INVAL))
1051 return twl6040_read_reg_cache(codec, TWL6040_REG_TRIM1 + trim);
1053 EXPORT_SYMBOL_GPL(twl6040_get_trim_value);
1055 int twl6040_get_hs_step_size(struct snd_soc_codec *codec)
1057 struct twl6040 *twl6040 = codec->control_data;
1059 if (twl6040_get_revid(twl6040) < TWL6040_REV_ES1_2)
1060 /* For ES under ES_1.3 HS step is 2 mV */
1063 /* For ES_1.3 HS step is 1 mV */
1066 EXPORT_SYMBOL_GPL(twl6040_get_hs_step_size);
1068 static const struct snd_kcontrol_new twl6040_snd_controls[] = {
1070 SOC_DOUBLE_TLV("Capture Preamplifier Volume",
1071 TWL6040_REG_MICGAIN, 6, 7, 1, 1, mic_preamp_tlv),
1072 SOC_DOUBLE_TLV("Capture Volume",
1073 TWL6040_REG_MICGAIN, 0, 3, 4, 0, mic_amp_tlv),
1076 SOC_DOUBLE_TLV("Aux FM Volume",
1077 TWL6040_REG_LINEGAIN, 0, 3, 7, 0, afm_amp_tlv),
1079 /* Playback gains */
1080 SOC_DOUBLE_EXT_TLV("Headset Playback Volume",
1081 TWL6040_REG_HSGAIN, 0, 4, 0xF, 1, twl6040_get_volsw,
1082 twl6040_put_volsw, hs_tlv),
1083 SOC_DOUBLE_R_EXT_TLV("Handsfree Playback Volume",
1084 TWL6040_REG_HFLGAIN, TWL6040_REG_HFRGAIN, 0, 0x1D, 1,
1085 twl6040_get_volsw, twl6040_put_volsw, hf_tlv),
1086 SOC_SINGLE_TLV("Earphone Playback Volume",
1087 TWL6040_REG_EARCTL, 1, 0xF, 1, ep_tlv),
1089 SOC_ENUM_EXT("Headset Power Mode", twl6040_power_mode_enum,
1090 twl6040_headset_power_get_enum,
1091 twl6040_headset_power_put_enum),
1093 SOC_ENUM_EXT("PLL Selection", twl6040_power_mode_enum,
1094 twl6040_pll_get_enum, twl6040_pll_put_enum),
1097 static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
1099 SND_SOC_DAPM_INPUT("MAINMIC"),
1100 SND_SOC_DAPM_INPUT("HSMIC"),
1101 SND_SOC_DAPM_INPUT("SUBMIC"),
1102 SND_SOC_DAPM_INPUT("AFML"),
1103 SND_SOC_DAPM_INPUT("AFMR"),
1106 SND_SOC_DAPM_OUTPUT("HSOL"),
1107 SND_SOC_DAPM_OUTPUT("HSOR"),
1108 SND_SOC_DAPM_OUTPUT("HFL"),
1109 SND_SOC_DAPM_OUTPUT("HFR"),
1110 SND_SOC_DAPM_OUTPUT("EP"),
1111 SND_SOC_DAPM_OUTPUT("AUXL"),
1112 SND_SOC_DAPM_OUTPUT("AUXR"),
1113 SND_SOC_DAPM_OUTPUT("VIBRAL"),
1114 SND_SOC_DAPM_OUTPUT("VIBRAR"),
1116 /* Analog input muxes for the capture amplifiers */
1117 SND_SOC_DAPM_MUX("Analog Left Capture Route",
1118 SND_SOC_NOPM, 0, 0, &amicl_control),
1119 SND_SOC_DAPM_MUX("Analog Right Capture Route",
1120 SND_SOC_NOPM, 0, 0, &amicr_control),
1122 /* Analog capture PGAs */
1123 SND_SOC_DAPM_PGA("MicAmpL",
1124 TWL6040_REG_MICLCTL, 0, 0, NULL, 0),
1125 SND_SOC_DAPM_PGA("MicAmpR",
1126 TWL6040_REG_MICRCTL, 0, 0, NULL, 0),
1128 /* Auxiliary FM PGAs */
1129 SND_SOC_DAPM_PGA("AFMAmpL",
1130 TWL6040_REG_MICLCTL, 1, 0, NULL, 0),
1131 SND_SOC_DAPM_PGA("AFMAmpR",
1132 TWL6040_REG_MICRCTL, 1, 0, NULL, 0),
1135 SND_SOC_DAPM_ADC("ADC Left", "Left Front Capture",
1136 TWL6040_REG_MICLCTL, 2, 0),
1137 SND_SOC_DAPM_ADC("ADC Right", "Right Front Capture",
1138 TWL6040_REG_MICRCTL, 2, 0),
1140 /* Microphone bias */
1141 SND_SOC_DAPM_SUPPLY("Headset Mic Bias",
1142 TWL6040_REG_AMICBCTL, 0, 0, NULL, 0),
1143 SND_SOC_DAPM_SUPPLY("Main Mic Bias",
1144 TWL6040_REG_AMICBCTL, 4, 0, NULL, 0),
1145 SND_SOC_DAPM_SUPPLY("Digital Mic1 Bias",
1146 TWL6040_REG_DMICBCTL, 0, 0, NULL, 0),
1147 SND_SOC_DAPM_SUPPLY("Digital Mic2 Bias",
1148 TWL6040_REG_DMICBCTL, 4, 0, NULL, 0),
1151 SND_SOC_DAPM_DAC("HSDAC Left", "Headset Playback", SND_SOC_NOPM, 0, 0),
1152 SND_SOC_DAPM_DAC("HSDAC Right", "Headset Playback", SND_SOC_NOPM, 0, 0),
1153 SND_SOC_DAPM_DAC("HFDAC Left", "Handsfree Playback",
1154 TWL6040_REG_HFLCTL, 0, 0),
1155 SND_SOC_DAPM_DAC("HFDAC Right", "Handsfree Playback",
1156 TWL6040_REG_HFRCTL, 0, 0),
1157 /* Virtual DAC for vibra path (DL4 channel) */
1158 SND_SOC_DAPM_DAC("VIBRA DAC", "Vibra Playback",
1159 SND_SOC_NOPM, 0, 0),
1161 SND_SOC_DAPM_MUX("Handsfree Left Playback",
1162 SND_SOC_NOPM, 0, 0, &hfl_mux_controls),
1163 SND_SOC_DAPM_MUX("Handsfree Right Playback",
1164 SND_SOC_NOPM, 0, 0, &hfr_mux_controls),
1165 /* Analog playback Muxes */
1166 SND_SOC_DAPM_MUX("Headset Left Playback",
1167 SND_SOC_NOPM, 0, 0, &hsl_mux_controls),
1168 SND_SOC_DAPM_MUX("Headset Right Playback",
1169 SND_SOC_NOPM, 0, 0, &hsr_mux_controls),
1171 SND_SOC_DAPM_MUX("Vibra Left Playback", SND_SOC_NOPM, 0, 0,
1172 &vibral_mux_controls),
1173 SND_SOC_DAPM_MUX("Vibra Right Playback", SND_SOC_NOPM, 0, 0,
1174 &vibrar_mux_controls),
1176 SND_SOC_DAPM_SWITCH("Earphone Playback", SND_SOC_NOPM, 0, 0,
1177 &ep_path_enable_control),
1178 SND_SOC_DAPM_SWITCH("AUXL Playback", SND_SOC_NOPM, 0, 0,
1179 &auxl_switch_control),
1180 SND_SOC_DAPM_SWITCH("AUXR Playback", SND_SOC_NOPM, 0, 0,
1181 &auxr_switch_control),
1183 /* Analog playback drivers */
1184 SND_SOC_DAPM_OUT_DRV_E("HF Left Driver",
1185 TWL6040_REG_HFLCTL, 4, 0, NULL, 0,
1187 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1188 SND_SOC_DAPM_OUT_DRV_E("HF Right Driver",
1189 TWL6040_REG_HFRCTL, 4, 0, NULL, 0,
1191 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1192 SND_SOC_DAPM_OUT_DRV_E("HS Left Driver",
1193 TWL6040_REG_HSLCTL, 2, 0, NULL, 0,
1195 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1196 SND_SOC_DAPM_OUT_DRV_E("HS Right Driver",
1197 TWL6040_REG_HSRCTL, 2, 0, NULL, 0,
1199 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1200 SND_SOC_DAPM_OUT_DRV_E("Earphone Driver",
1201 TWL6040_REG_EARCTL, 0, 0, NULL, 0,
1202 twl6040_ep_drv_event,
1203 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
1204 SND_SOC_DAPM_OUT_DRV("Vibra Left Driver",
1205 TWL6040_REG_VIBCTLL, 0, 0, NULL, 0),
1206 SND_SOC_DAPM_OUT_DRV("Vibra Right Driver",
1207 TWL6040_REG_VIBCTLR, 0, 0, NULL, 0),
1209 SND_SOC_DAPM_SUPPLY("Vibra Left Control", TWL6040_REG_VIBCTLL, 2, 0,
1211 SND_SOC_DAPM_SUPPLY("Vibra Right Control", TWL6040_REG_VIBCTLR, 2, 0,
1213 SND_SOC_DAPM_SUPPLY_S("HSDAC Power", 1, SND_SOC_NOPM, 0, 0,
1214 twl6040_hs_dac_event,
1215 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1217 /* Analog playback PGAs */
1218 SND_SOC_DAPM_PGA("HF Left PGA",
1219 TWL6040_REG_HFLCTL, 1, 0, NULL, 0),
1220 SND_SOC_DAPM_PGA("HF Right PGA",
1221 TWL6040_REG_HFRCTL, 1, 0, NULL, 0),
1225 static const struct snd_soc_dapm_route intercon[] = {
1227 {"Analog Left Capture Route", "Headset Mic", "HSMIC"},
1228 {"Analog Left Capture Route", "Main Mic", "MAINMIC"},
1229 {"Analog Left Capture Route", "Aux/FM Left", "AFML"},
1231 {"Analog Right Capture Route", "Headset Mic", "HSMIC"},
1232 {"Analog Right Capture Route", "Sub Mic", "SUBMIC"},
1233 {"Analog Right Capture Route", "Aux/FM Right", "AFMR"},
1235 {"MicAmpL", NULL, "Analog Left Capture Route"},
1236 {"MicAmpR", NULL, "Analog Right Capture Route"},
1238 {"ADC Left", NULL, "MicAmpL"},
1239 {"ADC Right", NULL, "MicAmpR"},
1242 {"AFMAmpL", NULL, "AFML"},
1243 {"AFMAmpR", NULL, "AFMR"},
1245 {"HSDAC Left", NULL, "HSDAC Power"},
1246 {"HSDAC Right", NULL, "HSDAC Power"},
1248 {"Headset Left Playback", "HS DAC", "HSDAC Left"},
1249 {"Headset Left Playback", "Line-In amp", "AFMAmpL"},
1251 {"Headset Right Playback", "HS DAC", "HSDAC Right"},
1252 {"Headset Right Playback", "Line-In amp", "AFMAmpR"},
1254 {"HS Left Driver", NULL, "Headset Left Playback"},
1255 {"HS Right Driver", NULL, "Headset Right Playback"},
1257 {"HSOL", NULL, "HS Left Driver"},
1258 {"HSOR", NULL, "HS Right Driver"},
1260 /* Earphone playback path */
1261 {"Earphone Playback", "Switch", "HSDAC Left"},
1262 {"Earphone Driver", NULL, "Earphone Playback"},
1263 {"EP", NULL, "Earphone Driver"},
1265 {"Handsfree Left Playback", "HF DAC", "HFDAC Left"},
1266 {"Handsfree Left Playback", "Line-In amp", "AFMAmpL"},
1268 {"Handsfree Right Playback", "HF DAC", "HFDAC Right"},
1269 {"Handsfree Right Playback", "Line-In amp", "AFMAmpR"},
1271 {"HF Left PGA", NULL, "Handsfree Left Playback"},
1272 {"HF Right PGA", NULL, "Handsfree Right Playback"},
1274 {"HF Left Driver", NULL, "HF Left PGA"},
1275 {"HF Right Driver", NULL, "HF Right PGA"},
1277 {"HFL", NULL, "HF Left Driver"},
1278 {"HFR", NULL, "HF Right Driver"},
1280 {"AUXL Playback", "Switch", "HF Left PGA"},
1281 {"AUXR Playback", "Switch", "HF Right PGA"},
1283 {"AUXL", NULL, "AUXL Playback"},
1284 {"AUXR", NULL, "AUXR Playback"},
1286 /* Vibrator paths */
1287 {"Vibra Left Playback", "Audio PDM", "VIBRA DAC"},
1288 {"Vibra Right Playback", "Audio PDM", "VIBRA DAC"},
1290 {"Vibra Left Driver", NULL, "Vibra Left Playback"},
1291 {"Vibra Right Driver", NULL, "Vibra Right Playback"},
1292 {"Vibra Left Driver", NULL, "Vibra Left Control"},
1293 {"Vibra Right Driver", NULL, "Vibra Right Control"},
1295 {"VIBRAL", NULL, "Vibra Left Driver"},
1296 {"VIBRAR", NULL, "Vibra Right Driver"},
1299 static int twl6040_set_bias_level(struct snd_soc_codec *codec,
1300 enum snd_soc_bias_level level)
1302 struct twl6040 *twl6040 = codec->control_data;
1303 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1307 case SND_SOC_BIAS_ON:
1309 case SND_SOC_BIAS_PREPARE:
1311 case SND_SOC_BIAS_STANDBY:
1312 if (priv->codec_powered)
1315 ret = twl6040_power(twl6040, 1);
1319 priv->codec_powered = 1;
1321 twl6040_restore_regs(codec);
1323 /* Set external boost GPO */
1324 twl6040_write(codec, TWL6040_REG_GPOCTL, 0x02);
1326 case SND_SOC_BIAS_OFF:
1327 if (!priv->codec_powered)
1330 twl6040_power(twl6040, 0);
1331 priv->codec_powered = 0;
1335 codec->dapm.bias_level = level;
1340 static int twl6040_startup(struct snd_pcm_substream *substream,
1341 struct snd_soc_dai *dai)
1343 struct snd_soc_pcm_runtime *rtd = substream->private_data;
1344 struct snd_soc_codec *codec = rtd->codec;
1345 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1347 snd_pcm_hw_constraint_list(substream->runtime, 0,
1348 SNDRV_PCM_HW_PARAM_RATE,
1349 &sysclk_constraints[priv->pll_power_mode]);
1354 static int twl6040_hw_params(struct snd_pcm_substream *substream,
1355 struct snd_pcm_hw_params *params,
1356 struct snd_soc_dai *dai)
1358 struct snd_soc_pcm_runtime *rtd = substream->private_data;
1359 struct snd_soc_codec *codec = rtd->codec;
1360 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1363 rate = params_rate(params);
1369 /* These rates are not supported when HPPLL is in use */
1370 if (unlikely(priv->pll == TWL6040_SYSCLK_SEL_HPPLL)) {
1371 dev_err(codec->dev, "HPPLL does not support rate %d\n",
1375 priv->sysclk = 17640000;
1382 priv->sysclk = 19200000;
1385 dev_err(codec->dev, "unsupported rate %d\n", rate);
1392 static int twl6040_prepare(struct snd_pcm_substream *substream,
1393 struct snd_soc_dai *dai)
1395 struct snd_soc_pcm_runtime *rtd = substream->private_data;
1396 struct snd_soc_codec *codec = rtd->codec;
1397 struct twl6040 *twl6040 = codec->control_data;
1398 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1401 if (!priv->sysclk) {
1403 "no mclk configured, call set_sysclk() on init\n");
1407 ret = twl6040_set_pll(twl6040, priv->pll, priv->clk_in, priv->sysclk);
1409 dev_err(codec->dev, "Can not set PLL (%d)\n", ret);
1416 static int twl6040_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1417 int clk_id, unsigned int freq, int dir)
1419 struct snd_soc_codec *codec = codec_dai->codec;
1420 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1423 case TWL6040_SYSCLK_SEL_LPPLL:
1424 case TWL6040_SYSCLK_SEL_HPPLL:
1426 priv->clk_in = freq;
1429 dev_err(codec->dev, "unknown clk_id %d\n", clk_id);
1436 static const struct snd_soc_dai_ops twl6040_dai_ops = {
1437 .startup = twl6040_startup,
1438 .hw_params = twl6040_hw_params,
1439 .prepare = twl6040_prepare,
1440 .set_sysclk = twl6040_set_dai_sysclk,
1443 static struct snd_soc_dai_driver twl6040_dai[] = {
1445 .name = "twl6040-legacy",
1447 .stream_name = "Playback",
1450 .rates = TWL6040_RATES,
1451 .formats = TWL6040_FORMATS,
1454 .stream_name = "Capture",
1457 .rates = TWL6040_RATES,
1458 .formats = TWL6040_FORMATS,
1460 .ops = &twl6040_dai_ops,
1463 .name = "twl6040-ul",
1465 .stream_name = "Capture",
1468 .rates = TWL6040_RATES,
1469 .formats = TWL6040_FORMATS,
1471 .ops = &twl6040_dai_ops,
1474 .name = "twl6040-dl1",
1476 .stream_name = "Headset Playback",
1479 .rates = TWL6040_RATES,
1480 .formats = TWL6040_FORMATS,
1482 .ops = &twl6040_dai_ops,
1485 .name = "twl6040-dl2",
1487 .stream_name = "Handsfree Playback",
1490 .rates = TWL6040_RATES,
1491 .formats = TWL6040_FORMATS,
1493 .ops = &twl6040_dai_ops,
1496 .name = "twl6040-vib",
1498 .stream_name = "Vibra Playback",
1501 .rates = SNDRV_PCM_RATE_CONTINUOUS,
1502 .formats = TWL6040_FORMATS,
1504 .ops = &twl6040_dai_ops,
1509 static int twl6040_suspend(struct snd_soc_codec *codec)
1511 twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
1516 static int twl6040_resume(struct snd_soc_codec *codec)
1518 twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1519 twl6040_set_bias_level(codec, codec->dapm.suspend_bias_level);
1524 #define twl6040_suspend NULL
1525 #define twl6040_resume NULL
1528 static int twl6040_probe(struct snd_soc_codec *codec)
1530 struct twl6040_data *priv;
1531 struct twl4030_codec_data *pdata = dev_get_platdata(codec->dev);
1532 struct platform_device *pdev = container_of(codec->dev,
1533 struct platform_device, dev);
1536 priv = kzalloc(sizeof(struct twl6040_data), GFP_KERNEL);
1539 snd_soc_codec_set_drvdata(codec, priv);
1541 priv->codec = codec;
1542 codec->control_data = dev_get_drvdata(codec->dev->parent);
1544 if (pdata && pdata->hs_left_step && pdata->hs_right_step) {
1545 priv->hs_left_step = pdata->hs_left_step;
1546 priv->hs_right_step = pdata->hs_right_step;
1548 priv->hs_left_step = 1;
1549 priv->hs_right_step = 1;
1552 if (pdata && pdata->hf_left_step && pdata->hf_right_step) {
1553 priv->hf_left_step = pdata->hf_left_step;
1554 priv->hf_right_step = pdata->hf_right_step;
1556 priv->hf_left_step = 1;
1557 priv->hf_right_step = 1;
1560 priv->plug_irq = platform_get_irq(pdev, 0);
1561 if (priv->plug_irq < 0) {
1562 dev_err(codec->dev, "invalid irq\n");
1567 priv->workqueue = alloc_workqueue("twl6040-codec", 0, 0);
1568 if (!priv->workqueue) {
1573 INIT_DELAYED_WORK(&priv->hs_jack.work, twl6040_accessory_work);
1574 INIT_DELAYED_WORK(&priv->headset.work, twl6040_pga_hs_work);
1575 INIT_DELAYED_WORK(&priv->handsfree.work, twl6040_pga_hf_work);
1577 mutex_init(&priv->mutex);
1579 init_completion(&priv->headset.ramp_done);
1580 init_completion(&priv->handsfree.ramp_done);
1582 ret = request_threaded_irq(priv->plug_irq, NULL, twl6040_audio_handler,
1583 0, "twl6040_irq_plug", codec);
1585 dev_err(codec->dev, "PLUG IRQ request failed: %d\n", ret);
1589 twl6040_init_chip(codec);
1591 /* power on device */
1592 ret = twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1597 free_irq(priv->plug_irq, codec);
1599 destroy_workqueue(priv->workqueue);
1605 static int twl6040_remove(struct snd_soc_codec *codec)
1607 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1609 twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
1610 free_irq(priv->plug_irq, codec);
1611 destroy_workqueue(priv->workqueue);
1617 static struct snd_soc_codec_driver soc_codec_dev_twl6040 = {
1618 .probe = twl6040_probe,
1619 .remove = twl6040_remove,
1620 .suspend = twl6040_suspend,
1621 .resume = twl6040_resume,
1622 .read = twl6040_read_reg_cache,
1623 .write = twl6040_write,
1624 .set_bias_level = twl6040_set_bias_level,
1625 .reg_cache_size = ARRAY_SIZE(twl6040_reg),
1626 .reg_word_size = sizeof(u8),
1627 .reg_cache_default = twl6040_reg,
1628 .ignore_pmdown_time = true,
1630 .controls = twl6040_snd_controls,
1631 .num_controls = ARRAY_SIZE(twl6040_snd_controls),
1632 .dapm_widgets = twl6040_dapm_widgets,
1633 .num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets),
1634 .dapm_routes = intercon,
1635 .num_dapm_routes = ARRAY_SIZE(intercon),
1638 static int __devinit twl6040_codec_probe(struct platform_device *pdev)
1640 return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_twl6040,
1641 twl6040_dai, ARRAY_SIZE(twl6040_dai));
1644 static int __devexit twl6040_codec_remove(struct platform_device *pdev)
1646 snd_soc_unregister_codec(&pdev->dev);
1650 static struct platform_driver twl6040_codec_driver = {
1652 .name = "twl6040-codec",
1653 .owner = THIS_MODULE,
1655 .probe = twl6040_codec_probe,
1656 .remove = __devexit_p(twl6040_codec_remove),
1659 module_platform_driver(twl6040_codec_driver);
1661 MODULE_DESCRIPTION("ASoC TWL6040 codec driver");
1662 MODULE_AUTHOR("Misael Lopez Cruz");
1663 MODULE_LICENSE("GPL");