2 * wm8350.c -- WM8350 ALSA SoC audio driver
4 * Copyright (C) 2007, 2008 Wolfson Microelectronics PLC.
6 * Author: Liam Girdwood <lrg@slimlogic.co.uk>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
13 #include <linux/module.h>
14 #include <linux/moduleparam.h>
15 #include <linux/init.h>
16 #include <linux/slab.h>
17 #include <linux/delay.h>
19 #include <linux/platform_device.h>
20 #include <linux/mfd/wm8350/audio.h>
21 #include <linux/mfd/wm8350/core.h>
22 #include <linux/regulator/consumer.h>
23 #include <sound/core.h>
24 #include <sound/pcm.h>
25 #include <sound/pcm_params.h>
26 #include <sound/soc.h>
27 #include <sound/initval.h>
28 #include <sound/tlv.h>
29 #include <trace/events/asoc.h>
33 #define WM8350_OUTn_0dB 0x39
35 #define WM8350_RAMP_NONE 0
36 #define WM8350_RAMP_UP 1
37 #define WM8350_RAMP_DOWN 2
39 /* We only include the analogue supplies here; the digital supplies
40 * need to be available well before this driver can be probed.
42 static const char *supply_names
[] = {
47 struct wm8350_output
{
55 struct wm8350_jack_data
{
56 struct snd_soc_jack
*jack
;
57 struct delayed_work work
;
63 struct wm8350
*wm8350
;
64 struct wm8350_output out1
;
65 struct wm8350_output out2
;
66 struct wm8350_jack_data hpl
;
67 struct wm8350_jack_data hpr
;
68 struct wm8350_jack_data mic
;
69 struct regulator_bulk_data supplies
[ARRAY_SIZE(supply_names
)];
74 static unsigned int wm8350_codec_read(struct snd_soc_codec
*codec
,
77 struct wm8350
*wm8350
= codec
->control_data
;
78 return wm8350_reg_read(wm8350
, reg
);
81 static int wm8350_codec_write(struct snd_soc_codec
*codec
, unsigned int reg
,
84 struct wm8350
*wm8350
= codec
->control_data
;
85 return wm8350_reg_write(wm8350
, reg
, value
);
89 * Ramp OUT1 PGA volume to minimise pops at stream startup and shutdown.
91 static inline int wm8350_out1_ramp_step(struct snd_soc_codec
*codec
)
93 struct wm8350_data
*wm8350_data
= snd_soc_codec_get_drvdata(codec
);
94 struct wm8350_output
*out1
= &wm8350_data
->out1
;
95 struct wm8350
*wm8350
= codec
->control_data
;
96 int left_complete
= 0, right_complete
= 0;
100 reg
= wm8350_reg_read(wm8350
, WM8350_LOUT1_VOLUME
);
101 val
= (reg
& WM8350_OUT1L_VOL_MASK
) >> WM8350_OUT1L_VOL_SHIFT
;
103 if (out1
->ramp
== WM8350_RAMP_UP
) {
105 if (val
< out1
->left_vol
) {
107 reg
&= ~WM8350_OUT1L_VOL_MASK
;
108 wm8350_reg_write(wm8350
, WM8350_LOUT1_VOLUME
,
109 reg
| (val
<< WM8350_OUT1L_VOL_SHIFT
));
112 } else if (out1
->ramp
== WM8350_RAMP_DOWN
) {
116 reg
&= ~WM8350_OUT1L_VOL_MASK
;
117 wm8350_reg_write(wm8350
, WM8350_LOUT1_VOLUME
,
118 reg
| (val
<< WM8350_OUT1L_VOL_SHIFT
));
125 reg
= wm8350_reg_read(wm8350
, WM8350_ROUT1_VOLUME
);
126 val
= (reg
& WM8350_OUT1R_VOL_MASK
) >> WM8350_OUT1R_VOL_SHIFT
;
127 if (out1
->ramp
== WM8350_RAMP_UP
) {
129 if (val
< out1
->right_vol
) {
131 reg
&= ~WM8350_OUT1R_VOL_MASK
;
132 wm8350_reg_write(wm8350
, WM8350_ROUT1_VOLUME
,
133 reg
| (val
<< WM8350_OUT1R_VOL_SHIFT
));
136 } else if (out1
->ramp
== WM8350_RAMP_DOWN
) {
140 reg
&= ~WM8350_OUT1R_VOL_MASK
;
141 wm8350_reg_write(wm8350
, WM8350_ROUT1_VOLUME
,
142 reg
| (val
<< WM8350_OUT1R_VOL_SHIFT
));
147 /* only hit the update bit if either volume has changed this step */
148 if (!left_complete
|| !right_complete
)
149 wm8350_set_bits(wm8350
, WM8350_LOUT1_VOLUME
, WM8350_OUT1_VU
);
151 return left_complete
& right_complete
;
155 * Ramp OUT2 PGA volume to minimise pops at stream startup and shutdown.
157 static inline int wm8350_out2_ramp_step(struct snd_soc_codec
*codec
)
159 struct wm8350_data
*wm8350_data
= snd_soc_codec_get_drvdata(codec
);
160 struct wm8350_output
*out2
= &wm8350_data
->out2
;
161 struct wm8350
*wm8350
= codec
->control_data
;
162 int left_complete
= 0, right_complete
= 0;
166 reg
= wm8350_reg_read(wm8350
, WM8350_LOUT2_VOLUME
);
167 val
= (reg
& WM8350_OUT2L_VOL_MASK
) >> WM8350_OUT1L_VOL_SHIFT
;
168 if (out2
->ramp
== WM8350_RAMP_UP
) {
170 if (val
< out2
->left_vol
) {
172 reg
&= ~WM8350_OUT2L_VOL_MASK
;
173 wm8350_reg_write(wm8350
, WM8350_LOUT2_VOLUME
,
174 reg
| (val
<< WM8350_OUT1L_VOL_SHIFT
));
177 } else if (out2
->ramp
== WM8350_RAMP_DOWN
) {
181 reg
&= ~WM8350_OUT2L_VOL_MASK
;
182 wm8350_reg_write(wm8350
, WM8350_LOUT2_VOLUME
,
183 reg
| (val
<< WM8350_OUT1L_VOL_SHIFT
));
190 reg
= wm8350_reg_read(wm8350
, WM8350_ROUT2_VOLUME
);
191 val
= (reg
& WM8350_OUT2R_VOL_MASK
) >> WM8350_OUT1R_VOL_SHIFT
;
192 if (out2
->ramp
== WM8350_RAMP_UP
) {
194 if (val
< out2
->right_vol
) {
196 reg
&= ~WM8350_OUT2R_VOL_MASK
;
197 wm8350_reg_write(wm8350
, WM8350_ROUT2_VOLUME
,
198 reg
| (val
<< WM8350_OUT1R_VOL_SHIFT
));
201 } else if (out2
->ramp
== WM8350_RAMP_DOWN
) {
205 reg
&= ~WM8350_OUT2R_VOL_MASK
;
206 wm8350_reg_write(wm8350
, WM8350_ROUT2_VOLUME
,
207 reg
| (val
<< WM8350_OUT1R_VOL_SHIFT
));
212 /* only hit the update bit if either volume has changed this step */
213 if (!left_complete
|| !right_complete
)
214 wm8350_set_bits(wm8350
, WM8350_LOUT2_VOLUME
, WM8350_OUT2_VU
);
216 return left_complete
& right_complete
;
220 * This work ramps both output PGAs at stream start/stop time to
221 * minimise pop associated with DAPM power switching.
222 * It's best to enable Zero Cross when ramping occurs to minimise any
225 static void wm8350_pga_work(struct work_struct
*work
)
227 struct snd_soc_dapm_context
*dapm
=
228 container_of(work
, struct snd_soc_dapm_context
, delayed_work
.work
);
229 struct snd_soc_codec
*codec
= dapm
->codec
;
230 struct wm8350_data
*wm8350_data
= snd_soc_codec_get_drvdata(codec
);
231 struct wm8350_output
*out1
= &wm8350_data
->out1
,
232 *out2
= &wm8350_data
->out2
;
233 int i
, out1_complete
, out2_complete
;
235 /* do we need to ramp at all ? */
236 if (out1
->ramp
== WM8350_RAMP_NONE
&& out2
->ramp
== WM8350_RAMP_NONE
)
239 /* PGA volumes have 6 bits of resolution to ramp */
240 for (i
= 0; i
<= 63; i
++) {
241 out1_complete
= 1, out2_complete
= 1;
242 if (out1
->ramp
!= WM8350_RAMP_NONE
)
243 out1_complete
= wm8350_out1_ramp_step(codec
);
244 if (out2
->ramp
!= WM8350_RAMP_NONE
)
245 out2_complete
= wm8350_out2_ramp_step(codec
);
247 /* ramp finished ? */
248 if (out1_complete
&& out2_complete
)
251 /* we need to delay longer on the up ramp */
252 if (out1
->ramp
== WM8350_RAMP_UP
||
253 out2
->ramp
== WM8350_RAMP_UP
) {
254 /* delay is longer over 0dB as increases are larger */
255 if (i
>= WM8350_OUTn_0dB
)
256 schedule_timeout_interruptible(msecs_to_jiffies
259 schedule_timeout_interruptible(msecs_to_jiffies
262 udelay(50); /* doesn't matter if we delay longer */
265 out1
->ramp
= WM8350_RAMP_NONE
;
266 out2
->ramp
= WM8350_RAMP_NONE
;
273 static int pga_event(struct snd_soc_dapm_widget
*w
,
274 struct snd_kcontrol
*kcontrol
, int event
)
276 struct snd_soc_codec
*codec
= w
->codec
;
277 struct wm8350_data
*wm8350_data
= snd_soc_codec_get_drvdata(codec
);
278 struct wm8350_output
*out
;
283 out
= &wm8350_data
->out1
;
287 out
= &wm8350_data
->out2
;
296 case SND_SOC_DAPM_POST_PMU
:
297 out
->ramp
= WM8350_RAMP_UP
;
300 if (!delayed_work_pending(&codec
->dapm
.delayed_work
))
301 schedule_delayed_work(&codec
->dapm
.delayed_work
,
302 msecs_to_jiffies(1));
305 case SND_SOC_DAPM_PRE_PMD
:
306 out
->ramp
= WM8350_RAMP_DOWN
;
309 if (!delayed_work_pending(&codec
->dapm
.delayed_work
))
310 schedule_delayed_work(&codec
->dapm
.delayed_work
,
311 msecs_to_jiffies(1));
318 static int wm8350_put_volsw_2r_vu(struct snd_kcontrol
*kcontrol
,
319 struct snd_ctl_elem_value
*ucontrol
)
321 struct snd_soc_codec
*codec
= snd_kcontrol_chip(kcontrol
);
322 struct wm8350_data
*wm8350_priv
= snd_soc_codec_get_drvdata(codec
);
323 struct wm8350_output
*out
= NULL
;
324 struct soc_mixer_control
*mc
=
325 (struct soc_mixer_control
*)kcontrol
->private_value
;
327 unsigned int reg
= mc
->reg
;
330 /* For OUT1 and OUT2 we shadow the values and only actually write
331 * them out when active in order to ensure the amplifier comes on
332 * as quietly as possible. */
334 case WM8350_LOUT1_VOLUME
:
335 out
= &wm8350_priv
->out1
;
337 case WM8350_LOUT2_VOLUME
:
338 out
= &wm8350_priv
->out2
;
345 out
->left_vol
= ucontrol
->value
.integer
.value
[0];
346 out
->right_vol
= ucontrol
->value
.integer
.value
[1];
351 ret
= snd_soc_put_volsw(kcontrol
, ucontrol
);
355 /* now hit the volume update bits (always bit 8) */
356 val
= snd_soc_read(codec
, reg
);
357 snd_soc_write(codec
, reg
, val
| WM8350_OUT1_VU
);
361 static int wm8350_get_volsw_2r(struct snd_kcontrol
*kcontrol
,
362 struct snd_ctl_elem_value
*ucontrol
)
364 struct snd_soc_codec
*codec
= snd_kcontrol_chip(kcontrol
);
365 struct wm8350_data
*wm8350_priv
= snd_soc_codec_get_drvdata(codec
);
366 struct wm8350_output
*out1
= &wm8350_priv
->out1
;
367 struct wm8350_output
*out2
= &wm8350_priv
->out2
;
368 struct soc_mixer_control
*mc
=
369 (struct soc_mixer_control
*)kcontrol
->private_value
;
370 unsigned int reg
= mc
->reg
;
372 /* If these are cached registers use the cache */
374 case WM8350_LOUT1_VOLUME
:
375 ucontrol
->value
.integer
.value
[0] = out1
->left_vol
;
376 ucontrol
->value
.integer
.value
[1] = out1
->right_vol
;
379 case WM8350_LOUT2_VOLUME
:
380 ucontrol
->value
.integer
.value
[0] = out2
->left_vol
;
381 ucontrol
->value
.integer
.value
[1] = out2
->right_vol
;
388 return snd_soc_get_volsw(kcontrol
, ucontrol
);
391 static const char *wm8350_deemp
[] = { "None", "32kHz", "44.1kHz", "48kHz" };
392 static const char *wm8350_pol
[] = { "Normal", "Inv R", "Inv L", "Inv L & R" };
393 static const char *wm8350_dacmutem
[] = { "Normal", "Soft" };
394 static const char *wm8350_dacmutes
[] = { "Fast", "Slow" };
395 static const char *wm8350_adcfilter
[] = { "None", "High Pass" };
396 static const char *wm8350_adchp
[] = { "44.1kHz", "8kHz", "16kHz", "32kHz" };
397 static const char *wm8350_lr
[] = { "Left", "Right" };
399 static const struct soc_enum wm8350_enum
[] = {
400 SOC_ENUM_SINGLE(WM8350_DAC_CONTROL
, 4, 4, wm8350_deemp
),
401 SOC_ENUM_SINGLE(WM8350_DAC_CONTROL
, 0, 4, wm8350_pol
),
402 SOC_ENUM_SINGLE(WM8350_DAC_MUTE_VOLUME
, 14, 2, wm8350_dacmutem
),
403 SOC_ENUM_SINGLE(WM8350_DAC_MUTE_VOLUME
, 13, 2, wm8350_dacmutes
),
404 SOC_ENUM_SINGLE(WM8350_ADC_CONTROL
, 15, 2, wm8350_adcfilter
),
405 SOC_ENUM_SINGLE(WM8350_ADC_CONTROL
, 8, 4, wm8350_adchp
),
406 SOC_ENUM_SINGLE(WM8350_ADC_CONTROL
, 0, 4, wm8350_pol
),
407 SOC_ENUM_SINGLE(WM8350_INPUT_MIXER_VOLUME
, 15, 2, wm8350_lr
),
410 static DECLARE_TLV_DB_SCALE(pre_amp_tlv
, -1200, 3525, 0);
411 static DECLARE_TLV_DB_SCALE(out_pga_tlv
, -5700, 600, 0);
412 static DECLARE_TLV_DB_SCALE(dac_pcm_tlv
, -7163, 36, 1);
413 static DECLARE_TLV_DB_SCALE(adc_pcm_tlv
, -12700, 50, 1);
414 static DECLARE_TLV_DB_SCALE(out_mix_tlv
, -1500, 300, 1);
416 static const unsigned int capture_sd_tlv
[] = {
417 TLV_DB_RANGE_HEAD(2),
418 0, 12, TLV_DB_SCALE_ITEM(-3600, 300, 1),
419 13, 15, TLV_DB_SCALE_ITEM(0, 0, 0),
422 static const struct snd_kcontrol_new wm8350_snd_controls
[] = {
423 SOC_ENUM("Playback Deemphasis", wm8350_enum
[0]),
424 SOC_ENUM("Playback DAC Inversion", wm8350_enum
[1]),
425 SOC_DOUBLE_R_EXT_TLV("Playback PCM Volume",
426 WM8350_DAC_DIGITAL_VOLUME_L
,
427 WM8350_DAC_DIGITAL_VOLUME_R
,
428 0, 255, 0, wm8350_get_volsw_2r
,
429 wm8350_put_volsw_2r_vu
, dac_pcm_tlv
),
430 SOC_ENUM("Playback PCM Mute Function", wm8350_enum
[2]),
431 SOC_ENUM("Playback PCM Mute Speed", wm8350_enum
[3]),
432 SOC_ENUM("Capture PCM Filter", wm8350_enum
[4]),
433 SOC_ENUM("Capture PCM HP Filter", wm8350_enum
[5]),
434 SOC_ENUM("Capture ADC Inversion", wm8350_enum
[6]),
435 SOC_DOUBLE_R_EXT_TLV("Capture PCM Volume",
436 WM8350_ADC_DIGITAL_VOLUME_L
,
437 WM8350_ADC_DIGITAL_VOLUME_R
,
438 0, 255, 0, wm8350_get_volsw_2r
,
439 wm8350_put_volsw_2r_vu
, adc_pcm_tlv
),
440 SOC_DOUBLE_TLV("Capture Sidetone Volume",
442 8, 4, 15, 1, capture_sd_tlv
),
443 SOC_DOUBLE_R_EXT_TLV("Capture Volume",
444 WM8350_LEFT_INPUT_VOLUME
,
445 WM8350_RIGHT_INPUT_VOLUME
,
446 2, 63, 0, wm8350_get_volsw_2r
,
447 wm8350_put_volsw_2r_vu
, pre_amp_tlv
),
448 SOC_DOUBLE_R("Capture ZC Switch",
449 WM8350_LEFT_INPUT_VOLUME
,
450 WM8350_RIGHT_INPUT_VOLUME
, 13, 1, 0),
451 SOC_SINGLE_TLV("Left Input Left Sidetone Volume",
452 WM8350_OUTPUT_LEFT_MIXER_VOLUME
, 1, 7, 0, out_mix_tlv
),
453 SOC_SINGLE_TLV("Left Input Right Sidetone Volume",
454 WM8350_OUTPUT_LEFT_MIXER_VOLUME
,
455 5, 7, 0, out_mix_tlv
),
456 SOC_SINGLE_TLV("Left Input Bypass Volume",
457 WM8350_OUTPUT_LEFT_MIXER_VOLUME
,
458 9, 7, 0, out_mix_tlv
),
459 SOC_SINGLE_TLV("Right Input Left Sidetone Volume",
460 WM8350_OUTPUT_RIGHT_MIXER_VOLUME
,
461 1, 7, 0, out_mix_tlv
),
462 SOC_SINGLE_TLV("Right Input Right Sidetone Volume",
463 WM8350_OUTPUT_RIGHT_MIXER_VOLUME
,
464 5, 7, 0, out_mix_tlv
),
465 SOC_SINGLE_TLV("Right Input Bypass Volume",
466 WM8350_OUTPUT_RIGHT_MIXER_VOLUME
,
467 13, 7, 0, out_mix_tlv
),
468 SOC_SINGLE("Left Input Mixer +20dB Switch",
469 WM8350_INPUT_MIXER_VOLUME_L
, 0, 1, 0),
470 SOC_SINGLE("Right Input Mixer +20dB Switch",
471 WM8350_INPUT_MIXER_VOLUME_R
, 0, 1, 0),
472 SOC_SINGLE_TLV("Out4 Capture Volume",
473 WM8350_INPUT_MIXER_VOLUME
,
474 1, 7, 0, out_mix_tlv
),
475 SOC_DOUBLE_R_EXT_TLV("Out1 Playback Volume",
478 2, 63, 0, wm8350_get_volsw_2r
,
479 wm8350_put_volsw_2r_vu
, out_pga_tlv
),
480 SOC_DOUBLE_R("Out1 Playback ZC Switch",
482 WM8350_ROUT1_VOLUME
, 13, 1, 0),
483 SOC_DOUBLE_R_EXT_TLV("Out2 Playback Volume",
486 2, 63, 0, wm8350_get_volsw_2r
,
487 wm8350_put_volsw_2r_vu
, out_pga_tlv
),
488 SOC_DOUBLE_R("Out2 Playback ZC Switch", WM8350_LOUT2_VOLUME
,
489 WM8350_ROUT2_VOLUME
, 13, 1, 0),
490 SOC_SINGLE("Out2 Right Invert Switch", WM8350_ROUT2_VOLUME
, 10, 1, 0),
491 SOC_SINGLE_TLV("Out2 Beep Volume", WM8350_BEEP_VOLUME
,
492 5, 7, 0, out_mix_tlv
),
494 SOC_DOUBLE_R("Out1 Playback Switch",
498 SOC_DOUBLE_R("Out2 Playback Switch",
508 /* Left Playback Mixer */
509 static const struct snd_kcontrol_new wm8350_left_play_mixer_controls
[] = {
510 SOC_DAPM_SINGLE("Playback Switch",
511 WM8350_LEFT_MIXER_CONTROL
, 11, 1, 0),
512 SOC_DAPM_SINGLE("Left Bypass Switch",
513 WM8350_LEFT_MIXER_CONTROL
, 2, 1, 0),
514 SOC_DAPM_SINGLE("Right Playback Switch",
515 WM8350_LEFT_MIXER_CONTROL
, 12, 1, 0),
516 SOC_DAPM_SINGLE("Left Sidetone Switch",
517 WM8350_LEFT_MIXER_CONTROL
, 0, 1, 0),
518 SOC_DAPM_SINGLE("Right Sidetone Switch",
519 WM8350_LEFT_MIXER_CONTROL
, 1, 1, 0),
522 /* Right Playback Mixer */
523 static const struct snd_kcontrol_new wm8350_right_play_mixer_controls
[] = {
524 SOC_DAPM_SINGLE("Playback Switch",
525 WM8350_RIGHT_MIXER_CONTROL
, 12, 1, 0),
526 SOC_DAPM_SINGLE("Right Bypass Switch",
527 WM8350_RIGHT_MIXER_CONTROL
, 3, 1, 0),
528 SOC_DAPM_SINGLE("Left Playback Switch",
529 WM8350_RIGHT_MIXER_CONTROL
, 11, 1, 0),
530 SOC_DAPM_SINGLE("Left Sidetone Switch",
531 WM8350_RIGHT_MIXER_CONTROL
, 0, 1, 0),
532 SOC_DAPM_SINGLE("Right Sidetone Switch",
533 WM8350_RIGHT_MIXER_CONTROL
, 1, 1, 0),
537 static const struct snd_kcontrol_new wm8350_out4_mixer_controls
[] = {
538 SOC_DAPM_SINGLE("Right Playback Switch",
539 WM8350_OUT4_MIXER_CONTROL
, 12, 1, 0),
540 SOC_DAPM_SINGLE("Left Playback Switch",
541 WM8350_OUT4_MIXER_CONTROL
, 11, 1, 0),
542 SOC_DAPM_SINGLE("Right Capture Switch",
543 WM8350_OUT4_MIXER_CONTROL
, 9, 1, 0),
544 SOC_DAPM_SINGLE("Out3 Playback Switch",
545 WM8350_OUT4_MIXER_CONTROL
, 2, 1, 0),
546 SOC_DAPM_SINGLE("Right Mixer Switch",
547 WM8350_OUT4_MIXER_CONTROL
, 1, 1, 0),
548 SOC_DAPM_SINGLE("Left Mixer Switch",
549 WM8350_OUT4_MIXER_CONTROL
, 0, 1, 0),
553 static const struct snd_kcontrol_new wm8350_out3_mixer_controls
[] = {
554 SOC_DAPM_SINGLE("Left Playback Switch",
555 WM8350_OUT3_MIXER_CONTROL
, 11, 1, 0),
556 SOC_DAPM_SINGLE("Left Capture Switch",
557 WM8350_OUT3_MIXER_CONTROL
, 8, 1, 0),
558 SOC_DAPM_SINGLE("Out4 Playback Switch",
559 WM8350_OUT3_MIXER_CONTROL
, 3, 1, 0),
560 SOC_DAPM_SINGLE("Left Mixer Switch",
561 WM8350_OUT3_MIXER_CONTROL
, 0, 1, 0),
564 /* Left Input Mixer */
565 static const struct snd_kcontrol_new wm8350_left_capt_mixer_controls
[] = {
566 SOC_DAPM_SINGLE_TLV("L2 Capture Volume",
567 WM8350_INPUT_MIXER_VOLUME_L
, 1, 7, 0, out_mix_tlv
),
568 SOC_DAPM_SINGLE_TLV("L3 Capture Volume",
569 WM8350_INPUT_MIXER_VOLUME_L
, 9, 7, 0, out_mix_tlv
),
570 SOC_DAPM_SINGLE("PGA Capture Switch",
571 WM8350_LEFT_INPUT_VOLUME
, 14, 1, 1),
574 /* Right Input Mixer */
575 static const struct snd_kcontrol_new wm8350_right_capt_mixer_controls
[] = {
576 SOC_DAPM_SINGLE_TLV("L2 Capture Volume",
577 WM8350_INPUT_MIXER_VOLUME_R
, 5, 7, 0, out_mix_tlv
),
578 SOC_DAPM_SINGLE_TLV("L3 Capture Volume",
579 WM8350_INPUT_MIXER_VOLUME_R
, 13, 7, 0, out_mix_tlv
),
580 SOC_DAPM_SINGLE("PGA Capture Switch",
581 WM8350_RIGHT_INPUT_VOLUME
, 14, 1, 1),
585 static const struct snd_kcontrol_new wm8350_left_mic_mixer_controls
[] = {
586 SOC_DAPM_SINGLE("INN Capture Switch", WM8350_INPUT_CONTROL
, 1, 1, 0),
587 SOC_DAPM_SINGLE("INP Capture Switch", WM8350_INPUT_CONTROL
, 0, 1, 0),
588 SOC_DAPM_SINGLE("IN2 Capture Switch", WM8350_INPUT_CONTROL
, 2, 1, 0),
591 /* Right Mic Mixer */
592 static const struct snd_kcontrol_new wm8350_right_mic_mixer_controls
[] = {
593 SOC_DAPM_SINGLE("INN Capture Switch", WM8350_INPUT_CONTROL
, 9, 1, 0),
594 SOC_DAPM_SINGLE("INP Capture Switch", WM8350_INPUT_CONTROL
, 8, 1, 0),
595 SOC_DAPM_SINGLE("IN2 Capture Switch", WM8350_INPUT_CONTROL
, 10, 1, 0),
599 static const struct snd_kcontrol_new wm8350_beep_switch_controls
=
600 SOC_DAPM_SINGLE("Switch", WM8350_BEEP_VOLUME
, 15, 1, 1);
602 /* Out4 Capture Mux */
603 static const struct snd_kcontrol_new wm8350_out4_capture_controls
=
604 SOC_DAPM_ENUM("Route", wm8350_enum
[7]);
606 static const struct snd_soc_dapm_widget wm8350_dapm_widgets
[] = {
608 SND_SOC_DAPM_PGA("IN3R PGA", WM8350_POWER_MGMT_2
, 11, 0, NULL
, 0),
609 SND_SOC_DAPM_PGA("IN3L PGA", WM8350_POWER_MGMT_2
, 10, 0, NULL
, 0),
610 SND_SOC_DAPM_PGA_E("Right Out2 PGA", WM8350_POWER_MGMT_3
, 3, 0, NULL
,
612 SND_SOC_DAPM_POST_PMU
| SND_SOC_DAPM_PRE_PMD
),
613 SND_SOC_DAPM_PGA_E("Left Out2 PGA", WM8350_POWER_MGMT_3
, 2, 0, NULL
, 0,
615 SND_SOC_DAPM_POST_PMU
| SND_SOC_DAPM_PRE_PMD
),
616 SND_SOC_DAPM_PGA_E("Right Out1 PGA", WM8350_POWER_MGMT_3
, 1, 0, NULL
,
618 SND_SOC_DAPM_POST_PMU
| SND_SOC_DAPM_PRE_PMD
),
619 SND_SOC_DAPM_PGA_E("Left Out1 PGA", WM8350_POWER_MGMT_3
, 0, 0, NULL
, 0,
621 SND_SOC_DAPM_POST_PMU
| SND_SOC_DAPM_PRE_PMD
),
623 SND_SOC_DAPM_MIXER("Right Capture Mixer", WM8350_POWER_MGMT_2
,
624 7, 0, &wm8350_right_capt_mixer_controls
[0],
625 ARRAY_SIZE(wm8350_right_capt_mixer_controls
)),
627 SND_SOC_DAPM_MIXER("Left Capture Mixer", WM8350_POWER_MGMT_2
,
628 6, 0, &wm8350_left_capt_mixer_controls
[0],
629 ARRAY_SIZE(wm8350_left_capt_mixer_controls
)),
631 SND_SOC_DAPM_MIXER("Out4 Mixer", WM8350_POWER_MGMT_2
, 5, 0,
632 &wm8350_out4_mixer_controls
[0],
633 ARRAY_SIZE(wm8350_out4_mixer_controls
)),
635 SND_SOC_DAPM_MIXER("Out3 Mixer", WM8350_POWER_MGMT_2
, 4, 0,
636 &wm8350_out3_mixer_controls
[0],
637 ARRAY_SIZE(wm8350_out3_mixer_controls
)),
639 SND_SOC_DAPM_MIXER("Right Playback Mixer", WM8350_POWER_MGMT_2
, 1, 0,
640 &wm8350_right_play_mixer_controls
[0],
641 ARRAY_SIZE(wm8350_right_play_mixer_controls
)),
643 SND_SOC_DAPM_MIXER("Left Playback Mixer", WM8350_POWER_MGMT_2
, 0, 0,
644 &wm8350_left_play_mixer_controls
[0],
645 ARRAY_SIZE(wm8350_left_play_mixer_controls
)),
647 SND_SOC_DAPM_MIXER("Left Mic Mixer", WM8350_POWER_MGMT_2
, 8, 0,
648 &wm8350_left_mic_mixer_controls
[0],
649 ARRAY_SIZE(wm8350_left_mic_mixer_controls
)),
651 SND_SOC_DAPM_MIXER("Right Mic Mixer", WM8350_POWER_MGMT_2
, 9, 0,
652 &wm8350_right_mic_mixer_controls
[0],
653 ARRAY_SIZE(wm8350_right_mic_mixer_controls
)),
655 /* virtual mixer for Beep and Out2R */
656 SND_SOC_DAPM_MIXER("Out2 Mixer", SND_SOC_NOPM
, 0, 0, NULL
, 0),
658 SND_SOC_DAPM_SWITCH("Beep", WM8350_POWER_MGMT_3
, 7, 0,
659 &wm8350_beep_switch_controls
),
661 SND_SOC_DAPM_ADC("Right ADC", "Right Capture",
662 WM8350_POWER_MGMT_4
, 3, 0),
663 SND_SOC_DAPM_ADC("Left ADC", "Left Capture",
664 WM8350_POWER_MGMT_4
, 2, 0),
665 SND_SOC_DAPM_DAC("Right DAC", "Right Playback",
666 WM8350_POWER_MGMT_4
, 5, 0),
667 SND_SOC_DAPM_DAC("Left DAC", "Left Playback",
668 WM8350_POWER_MGMT_4
, 4, 0),
670 SND_SOC_DAPM_MICBIAS("Mic Bias", WM8350_POWER_MGMT_1
, 4, 0),
672 SND_SOC_DAPM_MUX("Out4 Capture Channel", SND_SOC_NOPM
, 0, 0,
673 &wm8350_out4_capture_controls
),
675 SND_SOC_DAPM_OUTPUT("OUT1R"),
676 SND_SOC_DAPM_OUTPUT("OUT1L"),
677 SND_SOC_DAPM_OUTPUT("OUT2R"),
678 SND_SOC_DAPM_OUTPUT("OUT2L"),
679 SND_SOC_DAPM_OUTPUT("OUT3"),
680 SND_SOC_DAPM_OUTPUT("OUT4"),
682 SND_SOC_DAPM_INPUT("IN1RN"),
683 SND_SOC_DAPM_INPUT("IN1RP"),
684 SND_SOC_DAPM_INPUT("IN2R"),
685 SND_SOC_DAPM_INPUT("IN1LP"),
686 SND_SOC_DAPM_INPUT("IN1LN"),
687 SND_SOC_DAPM_INPUT("IN2L"),
688 SND_SOC_DAPM_INPUT("IN3R"),
689 SND_SOC_DAPM_INPUT("IN3L"),
692 static const struct snd_soc_dapm_route wm8350_dapm_routes
[] = {
694 /* left playback mixer */
695 {"Left Playback Mixer", "Playback Switch", "Left DAC"},
696 {"Left Playback Mixer", "Left Bypass Switch", "IN3L PGA"},
697 {"Left Playback Mixer", "Right Playback Switch", "Right DAC"},
698 {"Left Playback Mixer", "Left Sidetone Switch", "Left Mic Mixer"},
699 {"Left Playback Mixer", "Right Sidetone Switch", "Right Mic Mixer"},
701 /* right playback mixer */
702 {"Right Playback Mixer", "Playback Switch", "Right DAC"},
703 {"Right Playback Mixer", "Right Bypass Switch", "IN3R PGA"},
704 {"Right Playback Mixer", "Left Playback Switch", "Left DAC"},
705 {"Right Playback Mixer", "Left Sidetone Switch", "Left Mic Mixer"},
706 {"Right Playback Mixer", "Right Sidetone Switch", "Right Mic Mixer"},
708 /* out4 playback mixer */
709 {"Out4 Mixer", "Right Playback Switch", "Right DAC"},
710 {"Out4 Mixer", "Left Playback Switch", "Left DAC"},
711 {"Out4 Mixer", "Right Capture Switch", "Right Capture Mixer"},
712 {"Out4 Mixer", "Out3 Playback Switch", "Out3 Mixer"},
713 {"Out4 Mixer", "Right Mixer Switch", "Right Playback Mixer"},
714 {"Out4 Mixer", "Left Mixer Switch", "Left Playback Mixer"},
715 {"OUT4", NULL
, "Out4 Mixer"},
717 /* out3 playback mixer */
718 {"Out3 Mixer", "Left Playback Switch", "Left DAC"},
719 {"Out3 Mixer", "Left Capture Switch", "Left Capture Mixer"},
720 {"Out3 Mixer", "Left Mixer Switch", "Left Playback Mixer"},
721 {"Out3 Mixer", "Out4 Playback Switch", "Out4 Mixer"},
722 {"OUT3", NULL
, "Out3 Mixer"},
725 {"Right Out2 PGA", NULL
, "Right Playback Mixer"},
726 {"Left Out2 PGA", NULL
, "Left Playback Mixer"},
727 {"OUT2L", NULL
, "Left Out2 PGA"},
728 {"OUT2R", NULL
, "Right Out2 PGA"},
731 {"Right Out1 PGA", NULL
, "Right Playback Mixer"},
732 {"Left Out1 PGA", NULL
, "Left Playback Mixer"},
733 {"OUT1L", NULL
, "Left Out1 PGA"},
734 {"OUT1R", NULL
, "Right Out1 PGA"},
737 {"Left ADC", NULL
, "Left Capture Mixer"},
738 {"Right ADC", NULL
, "Right Capture Mixer"},
740 /* Left capture mixer */
741 {"Left Capture Mixer", "L2 Capture Volume", "IN2L"},
742 {"Left Capture Mixer", "L3 Capture Volume", "IN3L PGA"},
743 {"Left Capture Mixer", "PGA Capture Switch", "Left Mic Mixer"},
744 {"Left Capture Mixer", NULL
, "Out4 Capture Channel"},
746 /* Right capture mixer */
747 {"Right Capture Mixer", "L2 Capture Volume", "IN2R"},
748 {"Right Capture Mixer", "L3 Capture Volume", "IN3R PGA"},
749 {"Right Capture Mixer", "PGA Capture Switch", "Right Mic Mixer"},
750 {"Right Capture Mixer", NULL
, "Out4 Capture Channel"},
753 {"IN3L PGA", NULL
, "IN3L"},
754 {"IN3R PGA", NULL
, "IN3R"},
757 {"Left Mic Mixer", "INN Capture Switch", "IN1LN"},
758 {"Left Mic Mixer", "INP Capture Switch", "IN1LP"},
759 {"Left Mic Mixer", "IN2 Capture Switch", "IN2L"},
761 /* Right Mic mixer */
762 {"Right Mic Mixer", "INN Capture Switch", "IN1RN"},
763 {"Right Mic Mixer", "INP Capture Switch", "IN1RP"},
764 {"Right Mic Mixer", "IN2 Capture Switch", "IN2R"},
767 {"Out4 Capture Channel", NULL
, "Out4 Mixer"},
770 {"Beep", NULL
, "IN3R PGA"},
773 static int wm8350_set_dai_sysclk(struct snd_soc_dai
*codec_dai
,
774 int clk_id
, unsigned int freq
, int dir
)
776 struct snd_soc_codec
*codec
= codec_dai
->codec
;
777 struct wm8350
*wm8350
= codec
->control_data
;
781 case WM8350_MCLK_SEL_MCLK
:
782 wm8350_clear_bits(wm8350
, WM8350_CLOCK_CONTROL_1
,
785 case WM8350_MCLK_SEL_PLL_MCLK
:
786 case WM8350_MCLK_SEL_PLL_DAC
:
787 case WM8350_MCLK_SEL_PLL_ADC
:
788 case WM8350_MCLK_SEL_PLL_32K
:
789 wm8350_set_bits(wm8350
, WM8350_CLOCK_CONTROL_1
,
791 fll_4
= snd_soc_read(codec
, WM8350_FLL_CONTROL_4
) &
792 ~WM8350_FLL_CLK_SRC_MASK
;
793 snd_soc_write(codec
, WM8350_FLL_CONTROL_4
, fll_4
| clk_id
);
798 if (dir
== SND_SOC_CLOCK_OUT
)
799 wm8350_set_bits(wm8350
, WM8350_CLOCK_CONTROL_2
,
802 wm8350_clear_bits(wm8350
, WM8350_CLOCK_CONTROL_2
,
808 static int wm8350_set_clkdiv(struct snd_soc_dai
*codec_dai
, int div_id
, int div
)
810 struct snd_soc_codec
*codec
= codec_dai
->codec
;
814 case WM8350_ADC_CLKDIV
:
815 val
= snd_soc_read(codec
, WM8350_ADC_DIVIDER
) &
816 ~WM8350_ADC_CLKDIV_MASK
;
817 snd_soc_write(codec
, WM8350_ADC_DIVIDER
, val
| div
);
819 case WM8350_DAC_CLKDIV
:
820 val
= snd_soc_read(codec
, WM8350_DAC_CLOCK_CONTROL
) &
821 ~WM8350_DAC_CLKDIV_MASK
;
822 snd_soc_write(codec
, WM8350_DAC_CLOCK_CONTROL
, val
| div
);
824 case WM8350_BCLK_CLKDIV
:
825 val
= snd_soc_read(codec
, WM8350_CLOCK_CONTROL_1
) &
826 ~WM8350_BCLK_DIV_MASK
;
827 snd_soc_write(codec
, WM8350_CLOCK_CONTROL_1
, val
| div
);
829 case WM8350_OPCLK_CLKDIV
:
830 val
= snd_soc_read(codec
, WM8350_CLOCK_CONTROL_1
) &
831 ~WM8350_OPCLK_DIV_MASK
;
832 snd_soc_write(codec
, WM8350_CLOCK_CONTROL_1
, val
| div
);
834 case WM8350_SYS_CLKDIV
:
835 val
= snd_soc_read(codec
, WM8350_CLOCK_CONTROL_1
) &
836 ~WM8350_MCLK_DIV_MASK
;
837 snd_soc_write(codec
, WM8350_CLOCK_CONTROL_1
, val
| div
);
839 case WM8350_DACLR_CLKDIV
:
840 val
= snd_soc_read(codec
, WM8350_DAC_LR_RATE
) &
841 ~WM8350_DACLRC_RATE_MASK
;
842 snd_soc_write(codec
, WM8350_DAC_LR_RATE
, val
| div
);
844 case WM8350_ADCLR_CLKDIV
:
845 val
= snd_soc_read(codec
, WM8350_ADC_LR_RATE
) &
846 ~WM8350_ADCLRC_RATE_MASK
;
847 snd_soc_write(codec
, WM8350_ADC_LR_RATE
, val
| div
);
856 static int wm8350_set_dai_fmt(struct snd_soc_dai
*codec_dai
, unsigned int fmt
)
858 struct snd_soc_codec
*codec
= codec_dai
->codec
;
859 u16 iface
= snd_soc_read(codec
, WM8350_AI_FORMATING
) &
860 ~(WM8350_AIF_BCLK_INV
| WM8350_AIF_LRCLK_INV
| WM8350_AIF_FMT_MASK
);
861 u16 master
= snd_soc_read(codec
, WM8350_AI_DAC_CONTROL
) &
863 u16 dac_lrc
= snd_soc_read(codec
, WM8350_DAC_LR_RATE
) &
865 u16 adc_lrc
= snd_soc_read(codec
, WM8350_ADC_LR_RATE
) &
868 /* set master/slave audio interface */
869 switch (fmt
& SND_SOC_DAIFMT_MASTER_MASK
) {
870 case SND_SOC_DAIFMT_CBM_CFM
:
871 master
|= WM8350_BCLK_MSTR
;
872 dac_lrc
|= WM8350_DACLRC_ENA
;
873 adc_lrc
|= WM8350_ADCLRC_ENA
;
875 case SND_SOC_DAIFMT_CBS_CFS
:
881 /* interface format */
882 switch (fmt
& SND_SOC_DAIFMT_FORMAT_MASK
) {
883 case SND_SOC_DAIFMT_I2S
:
886 case SND_SOC_DAIFMT_RIGHT_J
:
888 case SND_SOC_DAIFMT_LEFT_J
:
891 case SND_SOC_DAIFMT_DSP_A
:
894 case SND_SOC_DAIFMT_DSP_B
:
895 iface
|= 0x3 << 8 | WM8350_AIF_LRCLK_INV
;
901 /* clock inversion */
902 switch (fmt
& SND_SOC_DAIFMT_INV_MASK
) {
903 case SND_SOC_DAIFMT_NB_NF
:
905 case SND_SOC_DAIFMT_IB_IF
:
906 iface
|= WM8350_AIF_LRCLK_INV
| WM8350_AIF_BCLK_INV
;
908 case SND_SOC_DAIFMT_IB_NF
:
909 iface
|= WM8350_AIF_BCLK_INV
;
911 case SND_SOC_DAIFMT_NB_IF
:
912 iface
|= WM8350_AIF_LRCLK_INV
;
918 snd_soc_write(codec
, WM8350_AI_FORMATING
, iface
);
919 snd_soc_write(codec
, WM8350_AI_DAC_CONTROL
, master
);
920 snd_soc_write(codec
, WM8350_DAC_LR_RATE
, dac_lrc
);
921 snd_soc_write(codec
, WM8350_ADC_LR_RATE
, adc_lrc
);
925 static int wm8350_pcm_hw_params(struct snd_pcm_substream
*substream
,
926 struct snd_pcm_hw_params
*params
,
927 struct snd_soc_dai
*codec_dai
)
929 struct snd_soc_codec
*codec
= codec_dai
->codec
;
930 struct wm8350
*wm8350
= codec
->control_data
;
931 u16 iface
= snd_soc_read(codec
, WM8350_AI_FORMATING
) &
935 switch (params_format(params
)) {
936 case SNDRV_PCM_FORMAT_S16_LE
:
938 case SNDRV_PCM_FORMAT_S20_3LE
:
941 case SNDRV_PCM_FORMAT_S24_LE
:
944 case SNDRV_PCM_FORMAT_S32_LE
:
949 snd_soc_write(codec
, WM8350_AI_FORMATING
, iface
);
951 /* The sloping stopband filter is recommended for use with
952 * lower sample rates to improve performance.
954 if (substream
->stream
== SNDRV_PCM_STREAM_PLAYBACK
) {
955 if (params_rate(params
) < 24000)
956 wm8350_set_bits(wm8350
, WM8350_DAC_MUTE_VOLUME
,
959 wm8350_clear_bits(wm8350
, WM8350_DAC_MUTE_VOLUME
,
966 static int wm8350_mute(struct snd_soc_dai
*dai
, int mute
)
968 struct snd_soc_codec
*codec
= dai
->codec
;
969 struct wm8350
*wm8350
= codec
->control_data
;
972 wm8350_set_bits(wm8350
, WM8350_DAC_MUTE
, WM8350_DAC_MUTE_ENA
);
974 wm8350_clear_bits(wm8350
, WM8350_DAC_MUTE
, WM8350_DAC_MUTE_ENA
);
980 int div
; /* FLL_OUTDIV */
983 int ratio
; /* FLL_FRATIO */
986 /* The size in bits of the fll divide multiplied by 10
987 * to allow rounding later */
988 #define FIXED_FLL_SIZE ((1 << 16) * 10)
990 static inline int fll_factors(struct _fll_div
*fll_div
, unsigned int input
,
994 unsigned int t1
, t2
, K
, Nmod
;
996 if (output
>= 2815250 && output
<= 3125000)
998 else if (output
>= 5625000 && output
<= 6250000)
1000 else if (output
>= 11250000 && output
<= 12500000)
1002 else if (output
>= 22500000 && output
<= 25000000)
1005 printk(KERN_ERR
"wm8350: fll freq %d out of range\n", output
);
1014 t1
= output
* (1 << (fll_div
->div
+ 1));
1015 t2
= input
* fll_div
->ratio
;
1017 fll_div
->n
= t1
/ t2
;
1021 Kpart
= FIXED_FLL_SIZE
* (long long)Nmod
;
1023 K
= Kpart
& 0xFFFFFFFF;
1025 /* Check if we need to round */
1029 /* Move down to proper range now rounding is done */
1038 static int wm8350_set_fll(struct snd_soc_dai
*codec_dai
,
1039 int pll_id
, int source
, unsigned int freq_in
,
1040 unsigned int freq_out
)
1042 struct snd_soc_codec
*codec
= codec_dai
->codec
;
1043 struct wm8350
*wm8350
= codec
->control_data
;
1044 struct wm8350_data
*priv
= snd_soc_codec_get_drvdata(codec
);
1045 struct _fll_div fll_div
;
1049 if (freq_in
== priv
->fll_freq_in
&& freq_out
== priv
->fll_freq_out
)
1052 /* power down FLL - we need to do this for reconfiguration */
1053 wm8350_clear_bits(wm8350
, WM8350_POWER_MGMT_4
,
1054 WM8350_FLL_ENA
| WM8350_FLL_OSC_ENA
);
1056 if (freq_out
== 0 || freq_in
== 0)
1059 ret
= fll_factors(&fll_div
, freq_in
, freq_out
);
1062 dev_dbg(wm8350
->dev
,
1063 "FLL in %u FLL out %u N 0x%x K 0x%x div %d ratio %d",
1064 freq_in
, freq_out
, fll_div
.n
, fll_div
.k
, fll_div
.div
,
1067 /* set up N.K & dividers */
1068 fll_1
= snd_soc_read(codec
, WM8350_FLL_CONTROL_1
) &
1069 ~(WM8350_FLL_OUTDIV_MASK
| WM8350_FLL_RSP_RATE_MASK
| 0xc000);
1070 snd_soc_write(codec
, WM8350_FLL_CONTROL_1
,
1071 fll_1
| (fll_div
.div
<< 8) | 0x50);
1072 snd_soc_write(codec
, WM8350_FLL_CONTROL_2
,
1073 (fll_div
.ratio
<< 11) | (fll_div
.
1074 n
& WM8350_FLL_N_MASK
));
1075 snd_soc_write(codec
, WM8350_FLL_CONTROL_3
, fll_div
.k
);
1076 fll_4
= snd_soc_read(codec
, WM8350_FLL_CONTROL_4
) &
1077 ~(WM8350_FLL_FRAC
| WM8350_FLL_SLOW_LOCK_REF
);
1078 snd_soc_write(codec
, WM8350_FLL_CONTROL_4
,
1079 fll_4
| (fll_div
.k
? WM8350_FLL_FRAC
: 0) |
1080 (fll_div
.ratio
== 8 ? WM8350_FLL_SLOW_LOCK_REF
: 0));
1083 wm8350_set_bits(wm8350
, WM8350_POWER_MGMT_4
, WM8350_FLL_OSC_ENA
);
1084 wm8350_set_bits(wm8350
, WM8350_POWER_MGMT_4
, WM8350_FLL_ENA
);
1086 priv
->fll_freq_out
= freq_out
;
1087 priv
->fll_freq_in
= freq_in
;
1092 static int wm8350_set_bias_level(struct snd_soc_codec
*codec
,
1093 enum snd_soc_bias_level level
)
1095 struct wm8350
*wm8350
= codec
->control_data
;
1096 struct wm8350_data
*priv
= snd_soc_codec_get_drvdata(codec
);
1097 struct wm8350_audio_platform_data
*platform
=
1098 wm8350
->codec
.platform_data
;
1103 case SND_SOC_BIAS_ON
:
1104 pm1
= wm8350_reg_read(wm8350
, WM8350_POWER_MGMT_1
) &
1105 ~(WM8350_VMID_MASK
| WM8350_CODEC_ISEL_MASK
);
1106 wm8350_reg_write(wm8350
, WM8350_POWER_MGMT_1
,
1107 pm1
| WM8350_VMID_50K
|
1108 platform
->codec_current_on
<< 14);
1111 case SND_SOC_BIAS_PREPARE
:
1112 pm1
= wm8350_reg_read(wm8350
, WM8350_POWER_MGMT_1
);
1113 pm1
&= ~WM8350_VMID_MASK
;
1114 wm8350_reg_write(wm8350
, WM8350_POWER_MGMT_1
,
1115 pm1
| WM8350_VMID_50K
);
1118 case SND_SOC_BIAS_STANDBY
:
1119 if (codec
->dapm
.bias_level
== SND_SOC_BIAS_OFF
) {
1120 ret
= regulator_bulk_enable(ARRAY_SIZE(priv
->supplies
),
1125 /* Enable the system clock */
1126 wm8350_set_bits(wm8350
, WM8350_POWER_MGMT_4
,
1129 /* mute DAC & outputs */
1130 wm8350_set_bits(wm8350
, WM8350_DAC_MUTE
,
1131 WM8350_DAC_MUTE_ENA
);
1133 /* discharge cap memory */
1134 wm8350_reg_write(wm8350
, WM8350_ANTI_POP_CONTROL
,
1135 platform
->dis_out1
|
1136 (platform
->dis_out2
<< 2) |
1137 (platform
->dis_out3
<< 4) |
1138 (platform
->dis_out4
<< 6));
1140 /* wait for discharge */
1141 schedule_timeout_interruptible(msecs_to_jiffies
1143 cap_discharge_msecs
));
1145 /* enable antipop */
1146 wm8350_reg_write(wm8350
, WM8350_ANTI_POP_CONTROL
,
1147 (platform
->vmid_s_curve
<< 8));
1150 wm8350_reg_write(wm8350
, WM8350_POWER_MGMT_1
,
1152 codec_current_charge
<< 14) |
1153 WM8350_VMID_5K
| WM8350_VMIDEN
|
1157 schedule_timeout_interruptible(msecs_to_jiffies
1159 vmid_charge_msecs
));
1161 /* turn on vmid 300k */
1162 pm1
= wm8350_reg_read(wm8350
, WM8350_POWER_MGMT_1
) &
1163 ~(WM8350_VMID_MASK
| WM8350_CODEC_ISEL_MASK
);
1164 pm1
|= WM8350_VMID_300K
|
1165 (platform
->codec_current_standby
<< 14);
1166 wm8350_reg_write(wm8350
, WM8350_POWER_MGMT_1
,
1170 /* enable analogue bias */
1171 pm1
|= WM8350_BIASEN
;
1172 wm8350_reg_write(wm8350
, WM8350_POWER_MGMT_1
, pm1
);
1174 /* disable antipop */
1175 wm8350_reg_write(wm8350
, WM8350_ANTI_POP_CONTROL
, 0);
1178 /* turn on vmid 300k and reduce current */
1179 pm1
= wm8350_reg_read(wm8350
, WM8350_POWER_MGMT_1
) &
1180 ~(WM8350_VMID_MASK
| WM8350_CODEC_ISEL_MASK
);
1181 wm8350_reg_write(wm8350
, WM8350_POWER_MGMT_1
,
1182 pm1
| WM8350_VMID_300K
|
1184 codec_current_standby
<< 14));
1189 case SND_SOC_BIAS_OFF
:
1191 /* mute DAC & enable outputs */
1192 wm8350_set_bits(wm8350
, WM8350_DAC_MUTE
, WM8350_DAC_MUTE_ENA
);
1194 wm8350_set_bits(wm8350
, WM8350_POWER_MGMT_3
,
1195 WM8350_OUT1L_ENA
| WM8350_OUT1R_ENA
|
1196 WM8350_OUT2L_ENA
| WM8350_OUT2R_ENA
);
1198 /* enable anti pop S curve */
1199 wm8350_reg_write(wm8350
, WM8350_ANTI_POP_CONTROL
,
1200 (platform
->vmid_s_curve
<< 8));
1203 pm1
= wm8350_reg_read(wm8350
, WM8350_POWER_MGMT_1
) &
1205 wm8350_reg_write(wm8350
, WM8350_POWER_MGMT_1
, pm1
);
1208 schedule_timeout_interruptible(msecs_to_jiffies
1210 vmid_discharge_msecs
));
1212 wm8350_reg_write(wm8350
, WM8350_ANTI_POP_CONTROL
,
1213 (platform
->vmid_s_curve
<< 8) |
1214 platform
->dis_out1
|
1215 (platform
->dis_out2
<< 2) |
1216 (platform
->dis_out3
<< 4) |
1217 (platform
->dis_out4
<< 6));
1219 /* turn off VBuf and drain */
1220 pm1
= wm8350_reg_read(wm8350
, WM8350_POWER_MGMT_1
) &
1221 ~(WM8350_VBUFEN
| WM8350_VMID_MASK
);
1222 wm8350_reg_write(wm8350
, WM8350_POWER_MGMT_1
,
1223 pm1
| WM8350_OUTPUT_DRAIN_EN
);
1226 schedule_timeout_interruptible(msecs_to_jiffies
1227 (platform
->drain_msecs
));
1229 pm1
&= ~WM8350_BIASEN
;
1230 wm8350_reg_write(wm8350
, WM8350_POWER_MGMT_1
, pm1
);
1232 /* disable anti-pop */
1233 wm8350_reg_write(wm8350
, WM8350_ANTI_POP_CONTROL
, 0);
1235 wm8350_clear_bits(wm8350
, WM8350_LOUT1_VOLUME
,
1237 wm8350_clear_bits(wm8350
, WM8350_ROUT1_VOLUME
,
1239 wm8350_clear_bits(wm8350
, WM8350_LOUT2_VOLUME
,
1241 wm8350_clear_bits(wm8350
, WM8350_ROUT2_VOLUME
,
1244 /* disable clock gen */
1245 wm8350_clear_bits(wm8350
, WM8350_POWER_MGMT_4
,
1248 regulator_bulk_disable(ARRAY_SIZE(priv
->supplies
),
1252 codec
->dapm
.bias_level
= level
;
1256 static int wm8350_suspend(struct snd_soc_codec
*codec
)
1258 wm8350_set_bias_level(codec
, SND_SOC_BIAS_OFF
);
1262 static int wm8350_resume(struct snd_soc_codec
*codec
)
1264 wm8350_set_bias_level(codec
, SND_SOC_BIAS_STANDBY
);
1269 static void wm8350_hp_work(struct wm8350_data
*priv
,
1270 struct wm8350_jack_data
*jack
,
1273 struct wm8350
*wm8350
= priv
->wm8350
;
1277 reg
= wm8350_reg_read(wm8350
, WM8350_JACK_PIN_STATUS
);
1279 report
= jack
->report
;
1283 snd_soc_jack_report(jack
->jack
, report
, jack
->report
);
1287 static void wm8350_hpl_work(struct work_struct
*work
)
1289 struct wm8350_data
*priv
=
1290 container_of(work
, struct wm8350_data
, hpl
.work
.work
);
1292 wm8350_hp_work(priv
, &priv
->hpl
, WM8350_JACK_L_LVL
);
1295 static void wm8350_hpr_work(struct work_struct
*work
)
1297 struct wm8350_data
*priv
=
1298 container_of(work
, struct wm8350_data
, hpr
.work
.work
);
1300 wm8350_hp_work(priv
, &priv
->hpr
, WM8350_JACK_R_LVL
);
1303 static irqreturn_t
wm8350_hp_jack_handler(int irq
, void *data
)
1305 struct wm8350_data
*priv
= data
;
1306 struct wm8350
*wm8350
= priv
->wm8350
;
1307 struct wm8350_jack_data
*jack
= NULL
;
1309 switch (irq
- wm8350
->irq_base
) {
1310 case WM8350_IRQ_CODEC_JCK_DET_L
:
1311 #ifndef CONFIG_SND_SOC_WM8350_MODULE
1312 trace_snd_soc_jack_irq("WM8350 HPL");
1317 case WM8350_IRQ_CODEC_JCK_DET_R
:
1318 #ifndef CONFIG_SND_SOC_WM8350_MODULE
1319 trace_snd_soc_jack_irq("WM8350 HPR");
1328 if (device_may_wakeup(wm8350
->dev
))
1329 pm_wakeup_event(wm8350
->dev
, 250);
1331 schedule_delayed_work(&jack
->work
, 200);
1337 * wm8350_hp_jack_detect - Enable headphone jack detection.
1339 * @codec: WM8350 codec
1340 * @which: left or right jack detect signal
1341 * @jack: jack to report detection events on
1342 * @report: value to report
1344 * Enables the headphone jack detection of the WM8350. If no report
1345 * is specified then detection is disabled.
1347 int wm8350_hp_jack_detect(struct snd_soc_codec
*codec
, enum wm8350_jack which
,
1348 struct snd_soc_jack
*jack
, int report
)
1350 struct wm8350_data
*priv
= snd_soc_codec_get_drvdata(codec
);
1351 struct wm8350
*wm8350
= codec
->control_data
;
1357 priv
->hpl
.jack
= jack
;
1358 priv
->hpl
.report
= report
;
1359 irq
= WM8350_IRQ_CODEC_JCK_DET_L
;
1360 ena
= WM8350_JDL_ENA
;
1364 priv
->hpr
.jack
= jack
;
1365 priv
->hpr
.report
= report
;
1366 irq
= WM8350_IRQ_CODEC_JCK_DET_R
;
1367 ena
= WM8350_JDR_ENA
;
1375 wm8350_set_bits(wm8350
, WM8350_POWER_MGMT_4
, WM8350_TOCLK_ENA
);
1376 wm8350_set_bits(wm8350
, WM8350_JACK_DETECT
, ena
);
1378 wm8350_clear_bits(wm8350
, WM8350_JACK_DETECT
, ena
);
1382 wm8350_hp_jack_handler(irq
+ wm8350
->irq_base
, priv
);
1386 EXPORT_SYMBOL_GPL(wm8350_hp_jack_detect
);
1388 static irqreturn_t
wm8350_mic_handler(int irq
, void *data
)
1390 struct wm8350_data
*priv
= data
;
1391 struct wm8350
*wm8350
= priv
->wm8350
;
1395 #ifndef CONFIG_SND_SOC_WM8350_MODULE
1396 trace_snd_soc_jack_irq("WM8350 mic");
1399 reg
= wm8350_reg_read(wm8350
, WM8350_JACK_PIN_STATUS
);
1400 if (reg
& WM8350_JACK_MICSCD_LVL
)
1401 report
|= priv
->mic
.short_report
;
1402 if (reg
& WM8350_JACK_MICSD_LVL
)
1403 report
|= priv
->mic
.report
;
1405 snd_soc_jack_report(priv
->mic
.jack
, report
,
1406 priv
->mic
.report
| priv
->mic
.short_report
);
1412 * wm8350_mic_jack_detect - Enable microphone jack detection.
1414 * @codec: WM8350 codec
1415 * @jack: jack to report detection events on
1416 * @detect_report: value to report when presence detected
1417 * @short_report: value to report when microphone short detected
1419 * Enables the microphone jack detection of the WM8350. If both reports
1420 * are specified as zero then detection is disabled.
1422 int wm8350_mic_jack_detect(struct snd_soc_codec
*codec
,
1423 struct snd_soc_jack
*jack
,
1424 int detect_report
, int short_report
)
1426 struct wm8350_data
*priv
= snd_soc_codec_get_drvdata(codec
);
1427 struct wm8350
*wm8350
= codec
->control_data
;
1429 priv
->mic
.jack
= jack
;
1430 priv
->mic
.report
= detect_report
;
1431 priv
->mic
.short_report
= short_report
;
1433 if (detect_report
|| short_report
) {
1434 wm8350_set_bits(wm8350
, WM8350_POWER_MGMT_4
, WM8350_TOCLK_ENA
);
1435 wm8350_set_bits(wm8350
, WM8350_POWER_MGMT_1
,
1436 WM8350_MIC_DET_ENA
);
1438 wm8350_clear_bits(wm8350
, WM8350_POWER_MGMT_1
,
1439 WM8350_MIC_DET_ENA
);
1444 EXPORT_SYMBOL_GPL(wm8350_mic_jack_detect
);
1446 #define WM8350_RATES (SNDRV_PCM_RATE_8000_96000)
1448 #define WM8350_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
1449 SNDRV_PCM_FMTBIT_S20_3LE |\
1450 SNDRV_PCM_FMTBIT_S24_LE)
1452 static const struct snd_soc_dai_ops wm8350_dai_ops
= {
1453 .hw_params
= wm8350_pcm_hw_params
,
1454 .digital_mute
= wm8350_mute
,
1455 .set_fmt
= wm8350_set_dai_fmt
,
1456 .set_sysclk
= wm8350_set_dai_sysclk
,
1457 .set_pll
= wm8350_set_fll
,
1458 .set_clkdiv
= wm8350_set_clkdiv
,
1461 static struct snd_soc_dai_driver wm8350_dai
= {
1462 .name
= "wm8350-hifi",
1464 .stream_name
= "Playback",
1467 .rates
= WM8350_RATES
,
1468 .formats
= WM8350_FORMATS
,
1471 .stream_name
= "Capture",
1474 .rates
= WM8350_RATES
,
1475 .formats
= WM8350_FORMATS
,
1477 .ops
= &wm8350_dai_ops
,
1480 static int wm8350_codec_probe(struct snd_soc_codec
*codec
)
1482 struct wm8350
*wm8350
= dev_get_platdata(codec
->dev
);
1483 struct wm8350_data
*priv
;
1484 struct wm8350_output
*out1
;
1485 struct wm8350_output
*out2
;
1488 if (wm8350
->codec
.platform_data
== NULL
) {
1489 dev_err(codec
->dev
, "No audio platform data supplied\n");
1493 priv
= devm_kzalloc(codec
->dev
, sizeof(struct wm8350_data
),
1497 snd_soc_codec_set_drvdata(codec
, priv
);
1499 priv
->wm8350
= wm8350
;
1501 for (i
= 0; i
< ARRAY_SIZE(supply_names
); i
++)
1502 priv
->supplies
[i
].supply
= supply_names
[i
];
1504 ret
= regulator_bulk_get(wm8350
->dev
, ARRAY_SIZE(priv
->supplies
),
1509 codec
->control_data
= wm8350
;
1511 /* Put the codec into reset if it wasn't already */
1512 wm8350_clear_bits(wm8350
, WM8350_POWER_MGMT_5
, WM8350_CODEC_ENA
);
1514 INIT_DELAYED_WORK(&codec
->dapm
.delayed_work
, wm8350_pga_work
);
1515 INIT_DELAYED_WORK(&priv
->hpl
.work
, wm8350_hpl_work
);
1516 INIT_DELAYED_WORK(&priv
->hpr
.work
, wm8350_hpr_work
);
1518 /* Enable the codec */
1519 wm8350_set_bits(wm8350
, WM8350_POWER_MGMT_5
, WM8350_CODEC_ENA
);
1521 /* Enable robust clocking mode in ADC */
1522 snd_soc_write(codec
, WM8350_SECURITY
, 0xa7);
1523 snd_soc_write(codec
, 0xde, 0x13);
1524 snd_soc_write(codec
, WM8350_SECURITY
, 0);
1526 /* read OUT1 & OUT2 volumes */
1529 out1
->left_vol
= (wm8350_reg_read(wm8350
, WM8350_LOUT1_VOLUME
) &
1530 WM8350_OUT1L_VOL_MASK
) >> WM8350_OUT1L_VOL_SHIFT
;
1531 out1
->right_vol
= (wm8350_reg_read(wm8350
, WM8350_ROUT1_VOLUME
) &
1532 WM8350_OUT1R_VOL_MASK
) >> WM8350_OUT1R_VOL_SHIFT
;
1533 out2
->left_vol
= (wm8350_reg_read(wm8350
, WM8350_LOUT2_VOLUME
) &
1534 WM8350_OUT2L_VOL_MASK
) >> WM8350_OUT1L_VOL_SHIFT
;
1535 out2
->right_vol
= (wm8350_reg_read(wm8350
, WM8350_ROUT2_VOLUME
) &
1536 WM8350_OUT2R_VOL_MASK
) >> WM8350_OUT1R_VOL_SHIFT
;
1537 wm8350_reg_write(wm8350
, WM8350_LOUT1_VOLUME
, 0);
1538 wm8350_reg_write(wm8350
, WM8350_ROUT1_VOLUME
, 0);
1539 wm8350_reg_write(wm8350
, WM8350_LOUT2_VOLUME
, 0);
1540 wm8350_reg_write(wm8350
, WM8350_ROUT2_VOLUME
, 0);
1542 /* Latch VU bits & mute */
1543 wm8350_set_bits(wm8350
, WM8350_LOUT1_VOLUME
,
1544 WM8350_OUT1_VU
| WM8350_OUT1L_MUTE
);
1545 wm8350_set_bits(wm8350
, WM8350_LOUT2_VOLUME
,
1546 WM8350_OUT2_VU
| WM8350_OUT2L_MUTE
);
1547 wm8350_set_bits(wm8350
, WM8350_ROUT1_VOLUME
,
1548 WM8350_OUT1_VU
| WM8350_OUT1R_MUTE
);
1549 wm8350_set_bits(wm8350
, WM8350_ROUT2_VOLUME
,
1550 WM8350_OUT2_VU
| WM8350_OUT2R_MUTE
);
1552 /* Make sure AIF tristating is disabled by default */
1553 wm8350_clear_bits(wm8350
, WM8350_AI_FORMATING
, WM8350_AIF_TRI
);
1555 /* Make sure we've got a sane companding setup too */
1556 wm8350_clear_bits(wm8350
, WM8350_ADC_DAC_COMP
,
1557 WM8350_DAC_COMP
| WM8350_LOOPBACK
);
1559 /* Make sure jack detect is disabled to start off with */
1560 wm8350_clear_bits(wm8350
, WM8350_JACK_DETECT
,
1561 WM8350_JDL_ENA
| WM8350_JDR_ENA
);
1563 wm8350_register_irq(wm8350
, WM8350_IRQ_CODEC_JCK_DET_L
,
1564 wm8350_hp_jack_handler
, 0, "Left jack detect",
1566 wm8350_register_irq(wm8350
, WM8350_IRQ_CODEC_JCK_DET_R
,
1567 wm8350_hp_jack_handler
, 0, "Right jack detect",
1569 wm8350_register_irq(wm8350
, WM8350_IRQ_CODEC_MICSCD
,
1570 wm8350_mic_handler
, 0, "Microphone short", priv
);
1571 wm8350_register_irq(wm8350
, WM8350_IRQ_CODEC_MICD
,
1572 wm8350_mic_handler
, 0, "Microphone detect", priv
);
1575 wm8350_set_bias_level(codec
, SND_SOC_BIAS_STANDBY
);
1580 static int wm8350_codec_remove(struct snd_soc_codec
*codec
)
1582 struct wm8350_data
*priv
= snd_soc_codec_get_drvdata(codec
);
1583 struct wm8350
*wm8350
= dev_get_platdata(codec
->dev
);
1585 wm8350_clear_bits(wm8350
, WM8350_JACK_DETECT
,
1586 WM8350_JDL_ENA
| WM8350_JDR_ENA
);
1587 wm8350_clear_bits(wm8350
, WM8350_POWER_MGMT_4
, WM8350_TOCLK_ENA
);
1589 wm8350_free_irq(wm8350
, WM8350_IRQ_CODEC_MICD
, priv
);
1590 wm8350_free_irq(wm8350
, WM8350_IRQ_CODEC_MICSCD
, priv
);
1591 wm8350_free_irq(wm8350
, WM8350_IRQ_CODEC_JCK_DET_L
, priv
);
1592 wm8350_free_irq(wm8350
, WM8350_IRQ_CODEC_JCK_DET_R
, priv
);
1594 priv
->hpl
.jack
= NULL
;
1595 priv
->hpr
.jack
= NULL
;
1596 priv
->mic
.jack
= NULL
;
1598 cancel_delayed_work_sync(&priv
->hpl
.work
);
1599 cancel_delayed_work_sync(&priv
->hpr
.work
);
1601 /* if there was any work waiting then we run it now and
1602 * wait for its completion */
1603 flush_delayed_work_sync(&codec
->dapm
.delayed_work
);
1605 wm8350_set_bias_level(codec
, SND_SOC_BIAS_OFF
);
1607 wm8350_clear_bits(wm8350
, WM8350_POWER_MGMT_5
, WM8350_CODEC_ENA
);
1609 regulator_bulk_free(ARRAY_SIZE(priv
->supplies
), priv
->supplies
);
1614 static struct snd_soc_codec_driver soc_codec_dev_wm8350
= {
1615 .probe
= wm8350_codec_probe
,
1616 .remove
= wm8350_codec_remove
,
1617 .suspend
= wm8350_suspend
,
1618 .resume
= wm8350_resume
,
1619 .read
= wm8350_codec_read
,
1620 .write
= wm8350_codec_write
,
1621 .set_bias_level
= wm8350_set_bias_level
,
1623 .controls
= wm8350_snd_controls
,
1624 .num_controls
= ARRAY_SIZE(wm8350_snd_controls
),
1625 .dapm_widgets
= wm8350_dapm_widgets
,
1626 .num_dapm_widgets
= ARRAY_SIZE(wm8350_dapm_widgets
),
1627 .dapm_routes
= wm8350_dapm_routes
,
1628 .num_dapm_routes
= ARRAY_SIZE(wm8350_dapm_routes
),
1631 static int __devinit
wm8350_probe(struct platform_device
*pdev
)
1633 return snd_soc_register_codec(&pdev
->dev
, &soc_codec_dev_wm8350
,
1637 static int __devexit
wm8350_remove(struct platform_device
*pdev
)
1639 snd_soc_unregister_codec(&pdev
->dev
);
1643 static struct platform_driver wm8350_codec_driver
= {
1645 .name
= "wm8350-codec",
1646 .owner
= THIS_MODULE
,
1648 .probe
= wm8350_probe
,
1649 .remove
= __devexit_p(wm8350_remove
),
1652 module_platform_driver(wm8350_codec_driver
);
1654 MODULE_DESCRIPTION("ASoC WM8350 driver");
1655 MODULE_AUTHOR("Liam Girdwood");
1656 MODULE_LICENSE("GPL");
1657 MODULE_ALIAS("platform:wm8350-codec");