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/initval.h>
37 #include <sound/tlv.h>
41 #define TWL6040_RATES SNDRV_PCM_RATE_8000_96000
42 #define TWL6040_FORMATS (SNDRV_PCM_FMTBIT_S32_LE)
44 #define TWL6040_OUTHS_0dB 0x00
45 #define TWL6040_OUTHS_M30dB 0x0F
46 #define TWL6040_OUTHF_0dB 0x03
47 #define TWL6040_OUTHF_M52dB 0x1D
49 #define TWL6040_RAMP_NONE 0
50 #define TWL6040_RAMP_UP 1
51 #define TWL6040_RAMP_DOWN 2
53 #define TWL6040_HSL_VOL_MASK 0x0F
54 #define TWL6040_HSL_VOL_SHIFT 0
55 #define TWL6040_HSR_VOL_MASK 0xF0
56 #define TWL6040_HSR_VOL_SHIFT 4
57 #define TWL6040_HF_VOL_MASK 0x1F
58 #define TWL6040_HF_VOL_SHIFT 0
60 struct twl6040_output {
66 unsigned int step_delay;
69 struct completion ramp_done;
72 struct twl6040_jack_data {
73 struct snd_soc_jack *jack;
77 /* codec private data */
85 int hs_power_mode_locked;
92 struct twl6040_jack_data hs_jack;
93 struct snd_soc_codec *codec;
94 struct workqueue_struct *workqueue;
95 struct delayed_work delayed_work;
97 struct twl6040_output headset;
98 struct twl6040_output handsfree;
99 struct workqueue_struct *hf_workqueue;
100 struct workqueue_struct *hs_workqueue;
101 struct delayed_work hs_delayed_work;
102 struct delayed_work hf_delayed_work;
106 * twl6040 register cache & default register settings
108 static const u8 twl6040_reg[TWL6040_CACHEREGNUM] = {
109 0x00, /* not used 0x00 */
110 0x4B, /* TWL6040_ASICID (ro) 0x01 */
111 0x00, /* TWL6040_ASICREV (ro) 0x02 */
112 0x00, /* TWL6040_INTID 0x03 */
113 0x00, /* TWL6040_INTMR 0x04 */
114 0x00, /* TWL6040_NCPCTRL 0x05 */
115 0x00, /* TWL6040_LDOCTL 0x06 */
116 0x60, /* TWL6040_HPPLLCTL 0x07 */
117 0x00, /* TWL6040_LPPLLCTL 0x08 */
118 0x4A, /* TWL6040_LPPLLDIV 0x09 */
119 0x00, /* TWL6040_AMICBCTL 0x0A */
120 0x00, /* TWL6040_DMICBCTL 0x0B */
121 0x00, /* TWL6040_MICLCTL 0x0C */
122 0x00, /* TWL6040_MICRCTL 0x0D */
123 0x00, /* TWL6040_MICGAIN 0x0E */
124 0x1B, /* TWL6040_LINEGAIN 0x0F */
125 0x00, /* TWL6040_HSLCTL 0x10 */
126 0x00, /* TWL6040_HSRCTL 0x11 */
127 0x00, /* TWL6040_HSGAIN 0x12 */
128 0x00, /* TWL6040_EARCTL 0x13 */
129 0x00, /* TWL6040_HFLCTL 0x14 */
130 0x00, /* TWL6040_HFLGAIN 0x15 */
131 0x00, /* TWL6040_HFRCTL 0x16 */
132 0x00, /* TWL6040_HFRGAIN 0x17 */
133 0x00, /* TWL6040_VIBCTLL 0x18 */
134 0x00, /* TWL6040_VIBDATL 0x19 */
135 0x00, /* TWL6040_VIBCTLR 0x1A */
136 0x00, /* TWL6040_VIBDATR 0x1B */
137 0x00, /* TWL6040_HKCTL1 0x1C */
138 0x00, /* TWL6040_HKCTL2 0x1D */
139 0x00, /* TWL6040_GPOCTL 0x1E */
140 0x00, /* TWL6040_ALB 0x1F */
141 0x00, /* TWL6040_DLB 0x20 */
142 0x00, /* not used 0x21 */
143 0x00, /* not used 0x22 */
144 0x00, /* not used 0x23 */
145 0x00, /* not used 0x24 */
146 0x00, /* not used 0x25 */
147 0x00, /* not used 0x26 */
148 0x00, /* not used 0x27 */
149 0x00, /* TWL6040_TRIM1 0x28 */
150 0x00, /* TWL6040_TRIM2 0x29 */
151 0x00, /* TWL6040_TRIM3 0x2A */
152 0x00, /* TWL6040_HSOTRIM 0x2B */
153 0x00, /* TWL6040_HFOTRIM 0x2C */
154 0x09, /* TWL6040_ACCCTL 0x2D */
155 0x00, /* TWL6040_STATUS (ro) 0x2E */
158 /* List of registers to be restored after power up */
159 static const int twl6040_restore_list[] = {
163 TWL6040_REG_LINEGAIN,
174 /* set of rates for each pll: low-power and high-performance */
175 static unsigned int lp_rates[] = {
187 static unsigned int hp_rates[] = {
195 static struct snd_pcm_hw_constraint_list sysclk_constraints[] = {
196 { .count = ARRAY_SIZE(lp_rates), .list = lp_rates, },
197 { .count = ARRAY_SIZE(hp_rates), .list = hp_rates, },
201 * read twl6040 register cache
203 static inline unsigned int twl6040_read_reg_cache(struct snd_soc_codec *codec,
206 u8 *cache = codec->reg_cache;
208 if (reg >= TWL6040_CACHEREGNUM)
215 * write twl6040 register cache
217 static inline void twl6040_write_reg_cache(struct snd_soc_codec *codec,
220 u8 *cache = codec->reg_cache;
222 if (reg >= TWL6040_CACHEREGNUM)
228 * read from twl6040 hardware register
230 static int twl6040_read_reg_volatile(struct snd_soc_codec *codec,
233 struct twl6040 *twl6040 = codec->control_data;
236 if (reg >= TWL6040_CACHEREGNUM)
239 value = twl6040_reg_read(twl6040, reg);
240 twl6040_write_reg_cache(codec, reg, value);
246 * write to the twl6040 register space
248 static int twl6040_write(struct snd_soc_codec *codec,
249 unsigned int reg, unsigned int value)
251 struct twl6040 *twl6040 = codec->control_data;
253 if (reg >= TWL6040_CACHEREGNUM)
256 twl6040_write_reg_cache(codec, reg, value);
257 return twl6040_reg_write(twl6040, reg, value);
260 static void twl6040_init_chip(struct snd_soc_codec *codec)
262 struct twl6040 *twl6040 = codec->control_data;
265 val = twl6040_get_revid(twl6040);
266 twl6040_write_reg_cache(codec, TWL6040_REG_ASICREV, val);
268 /* Change chip defaults */
269 /* No imput selected for microphone amplifiers */
270 twl6040_write_reg_cache(codec, TWL6040_REG_MICLCTL, 0x18);
271 twl6040_write_reg_cache(codec, TWL6040_REG_MICRCTL, 0x18);
274 static void twl6040_restore_regs(struct snd_soc_codec *codec)
276 u8 *cache = codec->reg_cache;
279 for (i = 0; i < ARRAY_SIZE(twl6040_restore_list); i++) {
280 reg = twl6040_restore_list[i];
281 twl6040_write(codec, reg, cache[reg]);
286 * Ramp HS PGA volume to minimise pops at stream startup and shutdown.
288 static inline int twl6040_hs_ramp_step(struct snd_soc_codec *codec,
289 unsigned int left_step, unsigned int right_step)
292 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
293 struct twl6040_output *headset = &priv->headset;
294 int left_complete = 0, right_complete = 0;
298 left_step = (left_step > 0xF) ? 0xF : left_step;
299 reg = twl6040_read_reg_cache(codec, TWL6040_REG_HSGAIN);
300 val = (~reg & TWL6040_HSL_VOL_MASK);
302 if (headset->ramp == TWL6040_RAMP_UP) {
304 if (val < headset->left_vol) {
305 if (val + left_step > headset->left_vol)
306 val = headset->left_vol;
310 reg &= ~TWL6040_HSL_VOL_MASK;
311 twl6040_write(codec, TWL6040_REG_HSGAIN,
312 (reg | (~val & TWL6040_HSL_VOL_MASK)));
316 } else if (headset->ramp == TWL6040_RAMP_DOWN) {
319 if ((int)val - (int)left_step < 0)
324 reg &= ~TWL6040_HSL_VOL_MASK;
325 twl6040_write(codec, TWL6040_REG_HSGAIN, reg |
326 (~val & TWL6040_HSL_VOL_MASK));
333 right_step = (right_step > 0xF) ? 0xF : right_step;
334 reg = twl6040_read_reg_cache(codec, TWL6040_REG_HSGAIN);
335 val = (~reg & TWL6040_HSR_VOL_MASK) >> TWL6040_HSR_VOL_SHIFT;
337 if (headset->ramp == TWL6040_RAMP_UP) {
339 if (val < headset->right_vol) {
340 if (val + right_step > headset->right_vol)
341 val = headset->right_vol;
345 reg &= ~TWL6040_HSR_VOL_MASK;
346 twl6040_write(codec, TWL6040_REG_HSGAIN,
347 (reg | (~val << TWL6040_HSR_VOL_SHIFT)));
351 } else if (headset->ramp == TWL6040_RAMP_DOWN) {
354 if ((int)val - (int)right_step < 0)
359 reg &= ~TWL6040_HSR_VOL_MASK;
360 twl6040_write(codec, TWL6040_REG_HSGAIN,
361 reg | (~val << TWL6040_HSR_VOL_SHIFT));
367 return left_complete & right_complete;
371 * Ramp HF PGA volume to minimise pops at stream startup and shutdown.
373 static inline int twl6040_hf_ramp_step(struct snd_soc_codec *codec,
374 unsigned int left_step, unsigned int right_step)
376 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
377 struct twl6040_output *handsfree = &priv->handsfree;
378 int left_complete = 0, right_complete = 0;
382 left_step = (left_step > 0x1D) ? 0x1D : left_step;
383 reg = twl6040_read_reg_cache(codec, TWL6040_REG_HFLGAIN);
385 val = (reg & TWL6040_HF_VOL_MASK);
386 if (handsfree->ramp == TWL6040_RAMP_UP) {
388 if (val < handsfree->left_vol) {
389 if (val + left_step > handsfree->left_vol)
390 val = handsfree->left_vol;
394 reg &= ~TWL6040_HF_VOL_MASK;
395 twl6040_write(codec, TWL6040_REG_HFLGAIN,
400 } else if (handsfree->ramp == TWL6040_RAMP_DOWN) {
403 if ((int)val - (int)left_step < 0)
408 reg &= ~TWL6040_HF_VOL_MASK;
409 twl6040_write(codec, TWL6040_REG_HFLGAIN,
417 right_step = (right_step > 0x1D) ? 0x1D : right_step;
418 reg = twl6040_read_reg_cache(codec, TWL6040_REG_HFRGAIN);
420 val = (reg & TWL6040_HF_VOL_MASK);
421 if (handsfree->ramp == TWL6040_RAMP_UP) {
423 if (val < handsfree->right_vol) {
424 if (val + right_step > handsfree->right_vol)
425 val = handsfree->right_vol;
429 reg &= ~TWL6040_HF_VOL_MASK;
430 twl6040_write(codec, TWL6040_REG_HFRGAIN,
435 } else if (handsfree->ramp == TWL6040_RAMP_DOWN) {
438 if ((int)val - (int)right_step < 0)
443 reg &= ~TWL6040_HF_VOL_MASK;
444 twl6040_write(codec, TWL6040_REG_HFRGAIN,
449 return left_complete & right_complete;
453 * This work ramps both output PGAs at stream start/stop time to
454 * minimise pop associated with DAPM power switching.
456 static void twl6040_pga_hs_work(struct work_struct *work)
458 struct twl6040_data *priv =
459 container_of(work, struct twl6040_data, hs_delayed_work.work);
460 struct snd_soc_codec *codec = priv->codec;
461 struct twl6040_output *headset = &priv->headset;
462 unsigned int delay = headset->step_delay;
463 int i, headset_complete;
465 /* do we need to ramp at all ? */
466 if (headset->ramp == TWL6040_RAMP_NONE)
469 /* HS PGA volumes have 4 bits of resolution to ramp */
470 for (i = 0; i <= 16; i++) {
471 headset_complete = twl6040_hs_ramp_step(codec,
473 headset->right_step);
475 /* ramp finished ? */
476 if (headset_complete)
480 * TODO: tune: delay is longer over 0dB
481 * as increases are larger.
484 schedule_timeout_interruptible(msecs_to_jiffies(delay +
487 schedule_timeout_interruptible(msecs_to_jiffies(delay));
490 if (headset->ramp == TWL6040_RAMP_DOWN) {
492 complete(&headset->ramp_done);
496 headset->ramp = TWL6040_RAMP_NONE;
499 static void twl6040_pga_hf_work(struct work_struct *work)
501 struct twl6040_data *priv =
502 container_of(work, struct twl6040_data, hf_delayed_work.work);
503 struct snd_soc_codec *codec = priv->codec;
504 struct twl6040_output *handsfree = &priv->handsfree;
505 unsigned int delay = handsfree->step_delay;
506 int i, handsfree_complete;
508 /* do we need to ramp at all ? */
509 if (handsfree->ramp == TWL6040_RAMP_NONE)
512 /* HF PGA volumes have 5 bits of resolution to ramp */
513 for (i = 0; i <= 32; i++) {
514 handsfree_complete = twl6040_hf_ramp_step(codec,
515 handsfree->left_step,
516 handsfree->right_step);
518 /* ramp finished ? */
519 if (handsfree_complete)
523 * TODO: tune: delay is longer over 0dB
524 * as increases are larger.
527 schedule_timeout_interruptible(msecs_to_jiffies(delay +
530 schedule_timeout_interruptible(msecs_to_jiffies(delay));
534 if (handsfree->ramp == TWL6040_RAMP_DOWN) {
535 handsfree->active = 0;
536 complete(&handsfree->ramp_done);
538 handsfree->active = 1;
539 handsfree->ramp = TWL6040_RAMP_NONE;
542 static int pga_event(struct snd_soc_dapm_widget *w,
543 struct snd_kcontrol *kcontrol, int event)
545 struct snd_soc_codec *codec = w->codec;
546 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
547 struct twl6040_output *out;
548 struct delayed_work *work;
549 struct workqueue_struct *queue;
554 out = &priv->headset;
555 work = &priv->hs_delayed_work;
556 queue = priv->hs_workqueue;
557 out->left_step = priv->hs_left_step;
558 out->right_step = priv->hs_right_step;
559 out->step_delay = 5; /* 5 ms between volume ramp steps */
562 out = &priv->handsfree;
563 work = &priv->hf_delayed_work;
564 queue = priv->hf_workqueue;
565 out->left_step = priv->hf_left_step;
566 out->right_step = priv->hf_right_step;
567 out->step_delay = 5; /* 5 ms between volume ramp steps */
568 if (SND_SOC_DAPM_EVENT_ON(event))
578 case SND_SOC_DAPM_POST_PMU:
582 /* don't use volume ramp for power-up */
583 out->left_step = out->left_vol;
584 out->right_step = out->right_vol;
586 if (!delayed_work_pending(work)) {
587 out->ramp = TWL6040_RAMP_UP;
588 queue_delayed_work(queue, work,
589 msecs_to_jiffies(1));
593 case SND_SOC_DAPM_PRE_PMD:
597 if (!delayed_work_pending(work)) {
598 /* use volume ramp for power-down */
599 out->ramp = TWL6040_RAMP_DOWN;
600 INIT_COMPLETION(out->ramp_done);
602 queue_delayed_work(queue, work,
603 msecs_to_jiffies(1));
605 wait_for_completion_timeout(&out->ramp_done,
606 msecs_to_jiffies(2000));
614 /* set headset dac and driver power mode */
615 static int headset_power_mode(struct snd_soc_codec *codec, int high_perf)
618 int mask = TWL6040_HSDRVMODEL | TWL6040_HSDACMODEL;
620 hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL);
621 hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL);
631 twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl);
632 twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl);
637 static int twl6040_hs_dac_event(struct snd_soc_dapm_widget *w,
638 struct snd_kcontrol *kcontrol, int event)
644 static int twl6040_power_mode_event(struct snd_soc_dapm_widget *w,
645 struct snd_kcontrol *kcontrol, int event)
647 struct snd_soc_codec *codec = w->codec;
648 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
651 if (SND_SOC_DAPM_EVENT_ON(event)) {
653 if (!strcmp(w->name, "Earphone Driver")) {
654 /* Earphone doesn't support low power mode */
655 priv->hs_power_mode_locked = 1;
656 ret = headset_power_mode(codec, 1);
660 if (!strcmp(w->name, "Earphone Driver")) {
661 priv->hs_power_mode_locked = 0;
662 ret = headset_power_mode(codec, priv->hs_power_mode);
671 static void twl6040_hs_jack_report(struct snd_soc_codec *codec,
672 struct snd_soc_jack *jack, int report)
674 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
677 mutex_lock(&priv->mutex);
680 status = twl6040_read_reg_volatile(codec, TWL6040_REG_STATUS);
681 if (status & TWL6040_PLUGCOMP)
682 snd_soc_jack_report(jack, report, report);
684 snd_soc_jack_report(jack, 0, report);
686 mutex_unlock(&priv->mutex);
689 void twl6040_hs_jack_detect(struct snd_soc_codec *codec,
690 struct snd_soc_jack *jack, int report)
692 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
693 struct twl6040_jack_data *hs_jack = &priv->hs_jack;
695 hs_jack->jack = jack;
696 hs_jack->report = report;
698 twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
700 EXPORT_SYMBOL_GPL(twl6040_hs_jack_detect);
702 static void twl6040_accessory_work(struct work_struct *work)
704 struct twl6040_data *priv = container_of(work,
705 struct twl6040_data, delayed_work.work);
706 struct snd_soc_codec *codec = priv->codec;
707 struct twl6040_jack_data *hs_jack = &priv->hs_jack;
709 twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
712 /* audio interrupt handler */
713 static irqreturn_t twl6040_audio_handler(int irq, void *data)
715 struct snd_soc_codec *codec = data;
716 struct twl6040 *twl6040 = codec->control_data;
717 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
720 intid = twl6040_reg_read(twl6040, TWL6040_REG_INTID);
722 if ((intid & TWL6040_PLUGINT) || (intid & TWL6040_UNPLUGINT))
723 queue_delayed_work(priv->workqueue, &priv->delayed_work,
724 msecs_to_jiffies(200));
729 static int twl6040_put_volsw(struct snd_kcontrol *kcontrol,
730 struct snd_ctl_elem_value *ucontrol)
732 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
733 struct twl6040_data *twl6040_priv = snd_soc_codec_get_drvdata(codec);
734 struct twl6040_output *out = NULL;
735 struct soc_mixer_control *mc =
736 (struct soc_mixer_control *)kcontrol->private_value;
738 unsigned int reg = mc->reg;
740 /* For HS and HF we shadow the values and only actually write
741 * them out when active in order to ensure the amplifier comes on
742 * as quietly as possible. */
744 case TWL6040_REG_HSGAIN:
745 out = &twl6040_priv->headset;
752 out->left_vol = ucontrol->value.integer.value[0];
753 out->right_vol = ucontrol->value.integer.value[1];
758 ret = snd_soc_put_volsw(kcontrol, ucontrol);
765 static int twl6040_get_volsw(struct snd_kcontrol *kcontrol,
766 struct snd_ctl_elem_value *ucontrol)
768 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
769 struct twl6040_data *twl6040_priv = snd_soc_codec_get_drvdata(codec);
770 struct twl6040_output *out = &twl6040_priv->headset;
771 struct soc_mixer_control *mc =
772 (struct soc_mixer_control *)kcontrol->private_value;
773 unsigned int reg = mc->reg;
776 case TWL6040_REG_HSGAIN:
777 out = &twl6040_priv->headset;
778 ucontrol->value.integer.value[0] = out->left_vol;
779 ucontrol->value.integer.value[1] = out->right_vol;
786 return snd_soc_get_volsw(kcontrol, ucontrol);
789 static int twl6040_put_volsw_2r_vu(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 = NULL;
795 struct soc_mixer_control *mc =
796 (struct soc_mixer_control *)kcontrol->private_value;
798 unsigned int reg = mc->reg;
800 /* For HS and HF we shadow the values and only actually write
801 * them out when active in order to ensure the amplifier comes on
802 * as quietly as possible. */
804 case TWL6040_REG_HFLGAIN:
805 case TWL6040_REG_HFRGAIN:
806 out = &twl6040_priv->handsfree;
813 out->left_vol = ucontrol->value.integer.value[0];
814 out->right_vol = ucontrol->value.integer.value[1];
819 ret = snd_soc_put_volsw_2r(kcontrol, ucontrol);
826 static int twl6040_get_volsw_2r(struct snd_kcontrol *kcontrol,
827 struct snd_ctl_elem_value *ucontrol)
829 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
830 struct twl6040_data *twl6040_priv = snd_soc_codec_get_drvdata(codec);
831 struct twl6040_output *out = &twl6040_priv->handsfree;
832 struct soc_mixer_control *mc =
833 (struct soc_mixer_control *)kcontrol->private_value;
834 unsigned int reg = mc->reg;
836 /* If these are cached registers use the cache */
838 case TWL6040_REG_HFLGAIN:
839 case TWL6040_REG_HFRGAIN:
840 out = &twl6040_priv->handsfree;
841 ucontrol->value.integer.value[0] = out->left_vol;
842 ucontrol->value.integer.value[1] = out->right_vol;
849 return snd_soc_get_volsw_2r(kcontrol, ucontrol);
852 /* double control with volume update */
853 #define SOC_TWL6040_DOUBLE_TLV(xname, xreg, shift_left, shift_right, xmax,\
855 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
856 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
857 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
858 .tlv.p = (tlv_array), \
859 .info = snd_soc_info_volsw, .get = twl6040_get_volsw, \
860 .put = twl6040_put_volsw, \
861 .private_value = (unsigned long)&(struct soc_mixer_control) \
862 {.reg = xreg, .shift = shift_left, .rshift = shift_right,\
863 .max = xmax, .platform_max = xmax, .invert = xinvert} }
865 /* double control with volume update */
866 #define SOC_TWL6040_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax,\
868 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
869 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
870 SNDRV_CTL_ELEM_ACCESS_READWRITE | \
871 SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
872 .tlv.p = (tlv_array), \
873 .info = snd_soc_info_volsw_2r, \
874 .get = twl6040_get_volsw_2r, .put = twl6040_put_volsw_2r_vu, \
875 .private_value = (unsigned long)&(struct soc_mixer_control) \
876 {.reg = reg_left, .rreg = reg_right, .shift = xshift, \
877 .rshift = xshift, .max = xmax, .invert = xinvert}, }
880 * MICATT volume control:
881 * from -6 to 0 dB in 6 dB steps
883 static DECLARE_TLV_DB_SCALE(mic_preamp_tlv, -600, 600, 0);
886 * MICGAIN volume control:
887 * from 6 to 30 dB in 6 dB steps
889 static DECLARE_TLV_DB_SCALE(mic_amp_tlv, 600, 600, 0);
892 * AFMGAIN volume control:
893 * from -18 to 24 dB in 6 dB steps
895 static DECLARE_TLV_DB_SCALE(afm_amp_tlv, -1800, 600, 0);
898 * HSGAIN volume control:
899 * from -30 to 0 dB in 2 dB steps
901 static DECLARE_TLV_DB_SCALE(hs_tlv, -3000, 200, 0);
904 * HFGAIN volume control:
905 * from -52 to 6 dB in 2 dB steps
907 static DECLARE_TLV_DB_SCALE(hf_tlv, -5200, 200, 0);
910 * EPGAIN volume control:
911 * from -24 to 6 dB in 2 dB steps
913 static DECLARE_TLV_DB_SCALE(ep_tlv, -2400, 200, 0);
915 /* Left analog microphone selection */
916 static const char *twl6040_amicl_texts[] =
917 {"Headset Mic", "Main Mic", "Aux/FM Left", "Off"};
919 /* Right analog microphone selection */
920 static const char *twl6040_amicr_texts[] =
921 {"Headset Mic", "Sub Mic", "Aux/FM Right", "Off"};
923 static const struct soc_enum twl6040_enum[] = {
924 SOC_ENUM_SINGLE(TWL6040_REG_MICLCTL, 3, 4, twl6040_amicl_texts),
925 SOC_ENUM_SINGLE(TWL6040_REG_MICRCTL, 3, 4, twl6040_amicr_texts),
928 static const char *twl6040_hs_texts[] = {
929 "Off", "HS DAC", "Line-In amp"
932 static const struct soc_enum twl6040_hs_enum[] = {
933 SOC_ENUM_SINGLE(TWL6040_REG_HSLCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
935 SOC_ENUM_SINGLE(TWL6040_REG_HSRCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
939 static const char *twl6040_hf_texts[] = {
940 "Off", "HF DAC", "Line-In amp"
943 static const struct soc_enum twl6040_hf_enum[] = {
944 SOC_ENUM_SINGLE(TWL6040_REG_HFLCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
946 SOC_ENUM_SINGLE(TWL6040_REG_HFRCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
950 static const struct snd_kcontrol_new amicl_control =
951 SOC_DAPM_ENUM("Route", twl6040_enum[0]);
953 static const struct snd_kcontrol_new amicr_control =
954 SOC_DAPM_ENUM("Route", twl6040_enum[1]);
956 /* Headset DAC playback switches */
957 static const struct snd_kcontrol_new hsl_mux_controls =
958 SOC_DAPM_ENUM("Route", twl6040_hs_enum[0]);
960 static const struct snd_kcontrol_new hsr_mux_controls =
961 SOC_DAPM_ENUM("Route", twl6040_hs_enum[1]);
963 /* Handsfree DAC playback switches */
964 static const struct snd_kcontrol_new hfl_mux_controls =
965 SOC_DAPM_ENUM("Route", twl6040_hf_enum[0]);
967 static const struct snd_kcontrol_new hfr_mux_controls =
968 SOC_DAPM_ENUM("Route", twl6040_hf_enum[1]);
970 static const struct snd_kcontrol_new ep_driver_switch_controls =
971 SOC_DAPM_SINGLE("Switch", TWL6040_REG_EARCTL, 0, 1, 0);
973 /* Headset power mode */
974 static const char *twl6040_power_mode_texts[] = {
975 "Low-Power", "High-Perfomance",
978 static const struct soc_enum twl6040_power_mode_enum =
979 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(twl6040_power_mode_texts),
980 twl6040_power_mode_texts);
982 static int twl6040_headset_power_get_enum(struct snd_kcontrol *kcontrol,
983 struct snd_ctl_elem_value *ucontrol)
985 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
986 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
988 ucontrol->value.enumerated.item[0] = priv->hs_power_mode;
993 static int twl6040_headset_power_put_enum(struct snd_kcontrol *kcontrol,
994 struct snd_ctl_elem_value *ucontrol)
996 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
997 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
998 int high_perf = ucontrol->value.enumerated.item[0];
1001 if (!priv->hs_power_mode_locked)
1002 ret = headset_power_mode(codec, high_perf);
1005 priv->hs_power_mode = high_perf;
1010 static int twl6040_pll_get_enum(struct snd_kcontrol *kcontrol,
1011 struct snd_ctl_elem_value *ucontrol)
1013 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
1014 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1016 ucontrol->value.enumerated.item[0] = priv->pll_power_mode;
1021 static int twl6040_pll_put_enum(struct snd_kcontrol *kcontrol,
1022 struct snd_ctl_elem_value *ucontrol)
1024 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
1025 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1027 priv->pll_power_mode = ucontrol->value.enumerated.item[0];
1032 int twl6040_get_clk_id(struct snd_soc_codec *codec)
1034 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1036 return priv->pll_power_mode;
1038 EXPORT_SYMBOL_GPL(twl6040_get_clk_id);
1040 static const struct snd_kcontrol_new twl6040_snd_controls[] = {
1042 SOC_DOUBLE_TLV("Capture Preamplifier Volume",
1043 TWL6040_REG_MICGAIN, 6, 7, 1, 1, mic_preamp_tlv),
1044 SOC_DOUBLE_TLV("Capture Volume",
1045 TWL6040_REG_MICGAIN, 0, 3, 4, 0, mic_amp_tlv),
1048 SOC_DOUBLE_TLV("Aux FM Volume",
1049 TWL6040_REG_LINEGAIN, 0, 3, 7, 0, afm_amp_tlv),
1051 /* Playback gains */
1052 SOC_TWL6040_DOUBLE_TLV("Headset Playback Volume",
1053 TWL6040_REG_HSGAIN, 0, 4, 0xF, 1, hs_tlv),
1054 SOC_TWL6040_DOUBLE_R_TLV("Handsfree Playback Volume",
1055 TWL6040_REG_HFLGAIN, TWL6040_REG_HFRGAIN, 0, 0x1D, 1, hf_tlv),
1056 SOC_SINGLE_TLV("Earphone Playback Volume",
1057 TWL6040_REG_EARCTL, 1, 0xF, 1, ep_tlv),
1059 SOC_ENUM_EXT("Headset Power Mode", twl6040_power_mode_enum,
1060 twl6040_headset_power_get_enum,
1061 twl6040_headset_power_put_enum),
1063 SOC_ENUM_EXT("PLL Selection", twl6040_power_mode_enum,
1064 twl6040_pll_get_enum, twl6040_pll_put_enum),
1067 static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
1069 SND_SOC_DAPM_INPUT("MAINMIC"),
1070 SND_SOC_DAPM_INPUT("HSMIC"),
1071 SND_SOC_DAPM_INPUT("SUBMIC"),
1072 SND_SOC_DAPM_INPUT("AFML"),
1073 SND_SOC_DAPM_INPUT("AFMR"),
1076 SND_SOC_DAPM_OUTPUT("HSOL"),
1077 SND_SOC_DAPM_OUTPUT("HSOR"),
1078 SND_SOC_DAPM_OUTPUT("HFL"),
1079 SND_SOC_DAPM_OUTPUT("HFR"),
1080 SND_SOC_DAPM_OUTPUT("EP"),
1082 /* Analog input muxes for the capture amplifiers */
1083 SND_SOC_DAPM_MUX("Analog Left Capture Route",
1084 SND_SOC_NOPM, 0, 0, &amicl_control),
1085 SND_SOC_DAPM_MUX("Analog Right Capture Route",
1086 SND_SOC_NOPM, 0, 0, &amicr_control),
1088 /* Analog capture PGAs */
1089 SND_SOC_DAPM_PGA("MicAmpL",
1090 TWL6040_REG_MICLCTL, 0, 0, NULL, 0),
1091 SND_SOC_DAPM_PGA("MicAmpR",
1092 TWL6040_REG_MICRCTL, 0, 0, NULL, 0),
1094 /* Auxiliary FM PGAs */
1095 SND_SOC_DAPM_PGA("AFMAmpL",
1096 TWL6040_REG_MICLCTL, 1, 0, NULL, 0),
1097 SND_SOC_DAPM_PGA("AFMAmpR",
1098 TWL6040_REG_MICRCTL, 1, 0, NULL, 0),
1101 SND_SOC_DAPM_ADC("ADC Left", "Left Front Capture",
1102 TWL6040_REG_MICLCTL, 2, 0),
1103 SND_SOC_DAPM_ADC("ADC Right", "Right Front Capture",
1104 TWL6040_REG_MICRCTL, 2, 0),
1106 /* Microphone bias */
1107 SND_SOC_DAPM_MICBIAS("Headset Mic Bias",
1108 TWL6040_REG_AMICBCTL, 0, 0),
1109 SND_SOC_DAPM_MICBIAS("Main Mic Bias",
1110 TWL6040_REG_AMICBCTL, 4, 0),
1111 SND_SOC_DAPM_MICBIAS("Digital Mic1 Bias",
1112 TWL6040_REG_DMICBCTL, 0, 0),
1113 SND_SOC_DAPM_MICBIAS("Digital Mic2 Bias",
1114 TWL6040_REG_DMICBCTL, 4, 0),
1117 SND_SOC_DAPM_DAC_E("HSDAC Left", "Headset Playback",
1118 TWL6040_REG_HSLCTL, 0, 0,
1119 twl6040_hs_dac_event,
1120 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1121 SND_SOC_DAPM_DAC_E("HSDAC Right", "Headset Playback",
1122 TWL6040_REG_HSRCTL, 0, 0,
1123 twl6040_hs_dac_event,
1124 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1125 SND_SOC_DAPM_DAC_E("HFDAC Left", "Handsfree Playback",
1126 TWL6040_REG_HFLCTL, 0, 0,
1127 twl6040_power_mode_event,
1128 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1129 SND_SOC_DAPM_DAC_E("HFDAC Right", "Handsfree Playback",
1130 TWL6040_REG_HFRCTL, 0, 0,
1131 twl6040_power_mode_event,
1132 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1134 SND_SOC_DAPM_MUX("HF Left Playback",
1135 SND_SOC_NOPM, 0, 0, &hfl_mux_controls),
1136 SND_SOC_DAPM_MUX("HF Right Playback",
1137 SND_SOC_NOPM, 0, 0, &hfr_mux_controls),
1138 /* Analog playback Muxes */
1139 SND_SOC_DAPM_MUX("HS Left Playback",
1140 SND_SOC_NOPM, 0, 0, &hsl_mux_controls),
1141 SND_SOC_DAPM_MUX("HS Right Playback",
1142 SND_SOC_NOPM, 0, 0, &hsr_mux_controls),
1144 /* Analog playback drivers */
1145 SND_SOC_DAPM_OUT_DRV_E("Handsfree Left Driver",
1146 TWL6040_REG_HFLCTL, 4, 0, NULL, 0,
1148 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1149 SND_SOC_DAPM_OUT_DRV_E("Handsfree Right Driver",
1150 TWL6040_REG_HFRCTL, 4, 0, NULL, 0,
1152 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1153 SND_SOC_DAPM_OUT_DRV_E("Headset Left Driver",
1154 TWL6040_REG_HSLCTL, 2, 0, NULL, 0,
1156 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1157 SND_SOC_DAPM_OUT_DRV_E("Headset Right Driver",
1158 TWL6040_REG_HSRCTL, 2, 0, NULL, 0,
1160 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1161 SND_SOC_DAPM_SWITCH_E("Earphone Driver",
1162 SND_SOC_NOPM, 0, 0, &ep_driver_switch_controls,
1163 twl6040_power_mode_event,
1164 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1166 /* Analog playback PGAs */
1167 SND_SOC_DAPM_PGA("HFDAC Left PGA",
1168 TWL6040_REG_HFLCTL, 1, 0, NULL, 0),
1169 SND_SOC_DAPM_PGA("HFDAC Right PGA",
1170 TWL6040_REG_HFRCTL, 1, 0, NULL, 0),
1174 static const struct snd_soc_dapm_route intercon[] = {
1176 {"Analog Left Capture Route", "Headset Mic", "HSMIC"},
1177 {"Analog Left Capture Route", "Main Mic", "MAINMIC"},
1178 {"Analog Left Capture Route", "Aux/FM Left", "AFML"},
1180 {"Analog Right Capture Route", "Headset Mic", "HSMIC"},
1181 {"Analog Right Capture Route", "Sub Mic", "SUBMIC"},
1182 {"Analog Right Capture Route", "Aux/FM Right", "AFMR"},
1184 {"MicAmpL", NULL, "Analog Left Capture Route"},
1185 {"MicAmpR", NULL, "Analog Right Capture Route"},
1187 {"ADC Left", NULL, "MicAmpL"},
1188 {"ADC Right", NULL, "MicAmpR"},
1191 {"AFMAmpL", "NULL", "AFML"},
1192 {"AFMAmpR", "NULL", "AFMR"},
1194 {"HS Left Playback", "HS DAC", "HSDAC Left"},
1195 {"HS Left Playback", "Line-In amp", "AFMAmpL"},
1197 {"HS Right Playback", "HS DAC", "HSDAC Right"},
1198 {"HS Right Playback", "Line-In amp", "AFMAmpR"},
1200 {"Headset Left Driver", "NULL", "HS Left Playback"},
1201 {"Headset Right Driver", "NULL", "HS Right Playback"},
1203 {"HSOL", NULL, "Headset Left Driver"},
1204 {"HSOR", NULL, "Headset Right Driver"},
1206 /* Earphone playback path */
1207 {"Earphone Driver", "Switch", "HSDAC Left"},
1208 {"EP", NULL, "Earphone Driver"},
1210 {"HF Left Playback", "HF DAC", "HFDAC Left"},
1211 {"HF Left Playback", "Line-In amp", "AFMAmpL"},
1213 {"HF Right Playback", "HF DAC", "HFDAC Right"},
1214 {"HF Right Playback", "Line-In amp", "AFMAmpR"},
1216 {"HFDAC Left PGA", NULL, "HF Left Playback"},
1217 {"HFDAC Right PGA", NULL, "HF Right Playback"},
1219 {"Handsfree Left Driver", "Switch", "HFDAC Left PGA"},
1220 {"Handsfree Right Driver", "Switch", "HFDAC Right PGA"},
1222 {"HFL", NULL, "Handsfree Left Driver"},
1223 {"HFR", NULL, "Handsfree Right Driver"},
1226 static int twl6040_add_widgets(struct snd_soc_codec *codec)
1228 struct snd_soc_dapm_context *dapm = &codec->dapm;
1230 snd_soc_dapm_new_controls(dapm, twl6040_dapm_widgets,
1231 ARRAY_SIZE(twl6040_dapm_widgets));
1232 snd_soc_dapm_add_routes(dapm, intercon, ARRAY_SIZE(intercon));
1233 snd_soc_dapm_new_widgets(dapm);
1238 static int twl6040_set_bias_level(struct snd_soc_codec *codec,
1239 enum snd_soc_bias_level level)
1241 struct twl6040 *twl6040 = codec->control_data;
1242 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1246 case SND_SOC_BIAS_ON:
1248 case SND_SOC_BIAS_PREPARE:
1250 case SND_SOC_BIAS_STANDBY:
1251 if (priv->codec_powered)
1254 ret = twl6040_power(twl6040, 1);
1258 priv->codec_powered = 1;
1260 twl6040_restore_regs(codec);
1262 /* Set external boost GPO */
1263 twl6040_write(codec, TWL6040_REG_GPOCTL, 0x02);
1265 case SND_SOC_BIAS_OFF:
1266 if (!priv->codec_powered)
1269 twl6040_power(twl6040, 0);
1270 priv->codec_powered = 0;
1274 codec->dapm.bias_level = level;
1279 static int twl6040_startup(struct snd_pcm_substream *substream,
1280 struct snd_soc_dai *dai)
1282 struct snd_soc_pcm_runtime *rtd = substream->private_data;
1283 struct snd_soc_codec *codec = rtd->codec;
1284 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1286 snd_pcm_hw_constraint_list(substream->runtime, 0,
1287 SNDRV_PCM_HW_PARAM_RATE,
1288 &sysclk_constraints[priv->pll_power_mode]);
1293 static int twl6040_hw_params(struct snd_pcm_substream *substream,
1294 struct snd_pcm_hw_params *params,
1295 struct snd_soc_dai *dai)
1297 struct snd_soc_pcm_runtime *rtd = substream->private_data;
1298 struct snd_soc_codec *codec = rtd->codec;
1299 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1302 rate = params_rate(params);
1308 /* These rates are not supported when HPPLL is in use */
1309 if (unlikely(priv->pll == TWL6040_SYSCLK_SEL_HPPLL)) {
1310 dev_err(codec->dev, "HPPLL does not support rate %d\n",
1314 /* Capture is not supported with 17.64MHz sysclk */
1315 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
1317 "capture mode is not supported at %dHz\n",
1321 priv->sysclk = 17640000;
1328 priv->sysclk = 19200000;
1331 dev_err(codec->dev, "unsupported rate %d\n", rate);
1338 static int twl6040_prepare(struct snd_pcm_substream *substream,
1339 struct snd_soc_dai *dai)
1341 struct snd_soc_pcm_runtime *rtd = substream->private_data;
1342 struct snd_soc_codec *codec = rtd->codec;
1343 struct twl6040 *twl6040 = codec->control_data;
1344 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1347 if (!priv->sysclk) {
1349 "no mclk configured, call set_sysclk() on init\n");
1353 if ((priv->sysclk == 17640000) && priv->non_lp) {
1355 "some enabled paths aren't supported at %dHz\n",
1360 ret = twl6040_set_pll(twl6040, priv->pll, priv->clk_in, priv->sysclk);
1362 dev_err(codec->dev, "Can not set PLL (%d)\n", ret);
1369 static int twl6040_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1370 int clk_id, unsigned int freq, int dir)
1372 struct snd_soc_codec *codec = codec_dai->codec;
1373 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1376 case TWL6040_SYSCLK_SEL_LPPLL:
1377 case TWL6040_SYSCLK_SEL_HPPLL:
1379 priv->clk_in = freq;
1382 dev_err(codec->dev, "unknown clk_id %d\n", clk_id);
1389 static struct snd_soc_dai_ops twl6040_dai_ops = {
1390 .startup = twl6040_startup,
1391 .hw_params = twl6040_hw_params,
1392 .prepare = twl6040_prepare,
1393 .set_sysclk = twl6040_set_dai_sysclk,
1396 static struct snd_soc_dai_driver twl6040_dai[] = {
1398 .name = "twl6040-hifi",
1400 .stream_name = "Playback",
1403 .rates = TWL6040_RATES,
1404 .formats = TWL6040_FORMATS,
1407 .stream_name = "Capture",
1410 .rates = TWL6040_RATES,
1411 .formats = TWL6040_FORMATS,
1413 .ops = &twl6040_dai_ops,
1416 .name = "twl6040-ul",
1418 .stream_name = "Capture",
1421 .rates = TWL6040_RATES,
1422 .formats = TWL6040_FORMATS,
1424 .ops = &twl6040_dai_ops,
1427 .name = "twl6040-dl1",
1429 .stream_name = "Headset Playback",
1432 .rates = TWL6040_RATES,
1433 .formats = TWL6040_FORMATS,
1435 .ops = &twl6040_dai_ops,
1438 .name = "twl6040-dl2",
1440 .stream_name = "Handsfree Playback",
1443 .rates = TWL6040_RATES,
1444 .formats = TWL6040_FORMATS,
1446 .ops = &twl6040_dai_ops,
1449 .name = "twl6040-vib",
1451 .stream_name = "Vibra Playback",
1454 .rates = SNDRV_PCM_RATE_CONTINUOUS,
1455 .formats = TWL6040_FORMATS,
1457 .ops = &twl6040_dai_ops,
1462 static int twl6040_suspend(struct snd_soc_codec *codec, pm_message_t state)
1464 twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
1469 static int twl6040_resume(struct snd_soc_codec *codec)
1471 twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1472 twl6040_set_bias_level(codec, codec->dapm.suspend_bias_level);
1477 #define twl6040_suspend NULL
1478 #define twl6040_resume NULL
1481 static int twl6040_probe(struct snd_soc_codec *codec)
1483 struct twl6040_data *priv;
1484 struct twl4030_codec_data *pdata = dev_get_platdata(codec->dev);
1485 struct platform_device *pdev = container_of(codec->dev,
1486 struct platform_device, dev);
1489 priv = kzalloc(sizeof(struct twl6040_data), GFP_KERNEL);
1492 snd_soc_codec_set_drvdata(codec, priv);
1494 priv->codec = codec;
1495 codec->control_data = dev_get_drvdata(codec->dev->parent);
1497 if (pdata && pdata->hs_left_step && pdata->hs_right_step) {
1498 priv->hs_left_step = pdata->hs_left_step;
1499 priv->hs_right_step = pdata->hs_right_step;
1501 priv->hs_left_step = 1;
1502 priv->hs_right_step = 1;
1505 if (pdata && pdata->hf_left_step && pdata->hf_right_step) {
1506 priv->hf_left_step = pdata->hf_left_step;
1507 priv->hf_right_step = pdata->hf_right_step;
1509 priv->hf_left_step = 1;
1510 priv->hf_right_step = 1;
1513 priv->plug_irq = platform_get_irq(pdev, 0);
1514 if (priv->plug_irq < 0) {
1515 dev_err(codec->dev, "invalid irq\n");
1520 priv->workqueue = create_singlethread_workqueue("twl6040-codec");
1521 if (!priv->workqueue) {
1526 INIT_DELAYED_WORK(&priv->delayed_work, twl6040_accessory_work);
1528 mutex_init(&priv->mutex);
1530 init_completion(&priv->headset.ramp_done);
1531 init_completion(&priv->handsfree.ramp_done);
1533 priv->hf_workqueue = create_singlethread_workqueue("twl6040-hf");
1534 if (priv->hf_workqueue == NULL) {
1538 priv->hs_workqueue = create_singlethread_workqueue("twl6040-hs");
1539 if (priv->hs_workqueue == NULL) {
1544 INIT_DELAYED_WORK(&priv->hs_delayed_work, twl6040_pga_hs_work);
1545 INIT_DELAYED_WORK(&priv->hf_delayed_work, twl6040_pga_hf_work);
1547 ret = request_threaded_irq(priv->plug_irq, NULL, twl6040_audio_handler,
1548 0, "twl6040_irq_plug", codec);
1550 dev_err(codec->dev, "PLUG IRQ request failed: %d\n", ret);
1554 twl6040_init_chip(codec);
1556 /* power on device */
1557 ret = twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1561 snd_soc_add_controls(codec, twl6040_snd_controls,
1562 ARRAY_SIZE(twl6040_snd_controls));
1563 twl6040_add_widgets(codec);
1568 free_irq(priv->plug_irq, codec);
1570 destroy_workqueue(priv->hs_workqueue);
1572 destroy_workqueue(priv->hf_workqueue);
1574 destroy_workqueue(priv->workqueue);
1580 static int twl6040_remove(struct snd_soc_codec *codec)
1582 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1584 twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
1585 free_irq(priv->plug_irq, codec);
1586 destroy_workqueue(priv->workqueue);
1587 destroy_workqueue(priv->hf_workqueue);
1588 destroy_workqueue(priv->hs_workqueue);
1594 static struct snd_soc_codec_driver soc_codec_dev_twl6040 = {
1595 .probe = twl6040_probe,
1596 .remove = twl6040_remove,
1597 .suspend = twl6040_suspend,
1598 .resume = twl6040_resume,
1599 .read = twl6040_read_reg_cache,
1600 .write = twl6040_write,
1601 .set_bias_level = twl6040_set_bias_level,
1602 .reg_cache_size = ARRAY_SIZE(twl6040_reg),
1603 .reg_word_size = sizeof(u8),
1604 .reg_cache_default = twl6040_reg,
1607 static int __devinit twl6040_codec_probe(struct platform_device *pdev)
1609 return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_twl6040,
1610 twl6040_dai, ARRAY_SIZE(twl6040_dai));
1613 static int __devexit twl6040_codec_remove(struct platform_device *pdev)
1615 snd_soc_unregister_codec(&pdev->dev);
1619 static struct platform_driver twl6040_codec_driver = {
1621 .name = "twl6040-codec",
1622 .owner = THIS_MODULE,
1624 .probe = twl6040_codec_probe,
1625 .remove = __devexit_p(twl6040_codec_remove),
1628 static int __init twl6040_codec_init(void)
1630 return platform_driver_register(&twl6040_codec_driver);
1632 module_init(twl6040_codec_init);
1634 static void __exit twl6040_codec_exit(void)
1636 platform_driver_unregister(&twl6040_codec_driver);
1638 module_exit(twl6040_codec_exit);
1640 MODULE_DESCRIPTION("ASoC TWL6040 codec driver");
1641 MODULE_AUTHOR("Misael Lopez Cruz");
1642 MODULE_LICENSE("GPL");