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Linux 3.11-rc1
[deliverable/linux.git] / sound / soc / codecs / twl6040.c
CommitLineData
8ecbabd9
MLC		 1/*
2 * ALSA SoC TWL6040 codec driver
3 *
4 * Author: Misael Lopez Cruz <x0052729@ti.com>
5 *
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.
9 *
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.
14 *
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
18 * 02110-1301 USA
19 *
20 */
21
22#include <linux/module.h>
23#include <linux/moduleparam.h>
24#include <linux/init.h>
25#include <linux/delay.h>
26#include <linux/pm.h>
8ecbabd9 27#include <linux/platform_device.h>
68b40cc4 28#include <linux/slab.h>
fb34d3d5 29#include <linux/mfd/twl6040.h>
8ecbabd9
MLC		 30
31#include <sound/core.h>
32#include <sound/pcm.h>
33#include <sound/pcm_params.h>
34#include <sound/soc.h>
e48b46ba 35#include <sound/soc-dapm.h>
8ecbabd9
MLC		 36#include <sound/initval.h>
37#include <sound/tlv.h>
38
39#include "twl6040.h"
40
68897497
PU		 41enum twl6040_dai_id {
42 TWL6040_DAI_LEGACY = 0,
43 TWL6040_DAI_UL,
44 TWL6040_DAI_DL1,
45 TWL6040_DAI_DL2,
46 TWL6040_DAI_VIB,
47};
48
60ea4cec 49#define TWL6040_RATES SNDRV_PCM_RATE_8000_96000
1bf84759
MOC		 50#define TWL6040_FORMATS (SNDRV_PCM_FMTBIT_S32_LE)
51
52#define TWL6040_OUTHS_0dB 0x00
53#define TWL6040_OUTHS_M30dB 0x0F
54#define TWL6040_OUTHF_0dB 0x03
55#define TWL6040_OUTHF_M52dB 0x1D
56
d17bf318
PU		 57/* Shadow register used by the driver */
58#define TWL6040_REG_SW_SHADOW 0x2F
59#define TWL6040_CACHEREGNUM (TWL6040_REG_SW_SHADOW + 1)
60
317596a6
PU		 61/* TWL6040_REG_SW_SHADOW (0x2F) fields */
62#define TWL6040_EAR_PATH_ENABLE 0x01
63
a2d2362e
JEC		 64struct twl6040_jack_data {
65 struct snd_soc_jack *jack;
46dd0b93 66 struct delayed_work work;
a2d2362e
JEC		 67 int report;
68};
69
8ecbabd9
MLC		 70/* codec private data */
71struct twl6040_data {
2a433b9d 72 int plug_irq;
8ecbabd9
MLC		 73 int codec_powered;
74 int pll;
af958c72 75 int pll_power_mode;
6bba63b6
MLC		 76 int hs_power_mode;
77 int hs_power_mode_locked;
98c5fb1f
PU		 78 bool dl1_unmuted;
79 bool dl2_unmuted;
fb34d3d5 80 unsigned int clk_in;
8ecbabd9 81 unsigned int sysclk;
a2d2362e
JEC		 82 struct twl6040_jack_data hs_jack;
83 struct snd_soc_codec *codec;
a2d2362e 84 struct mutex mutex;
8ecbabd9
MLC		 85};
86
87/*
88 * twl6040 register cache & default register settings
89 */
90static const u8 twl6040_reg[TWL6040_CACHEREGNUM] = {
4548dc3c
PU		 91 0x00, /* not used 0x00 */
92 0x4B, /* REG_ASICID 0x01 (ro) */
93 0x00, /* REG_ASICREV 0x02 (ro) */
94 0x00, /* REG_INTID 0x03 */
95 0x00, /* REG_INTMR 0x04 */
96 0x00, /* REG_NCPCTRL 0x05 */
97 0x00, /* REG_LDOCTL 0x06 */
98 0x60, /* REG_HPPLLCTL 0x07 */
99 0x00, /* REG_LPPLLCTL 0x08 */
100 0x4A, /* REG_LPPLLDIV 0x09 */
101 0x00, /* REG_AMICBCTL 0x0A */
102 0x00, /* REG_DMICBCTL 0x0B */
103 0x00, /* REG_MICLCTL 0x0C */
104 0x00, /* REG_MICRCTL 0x0D */
105 0x00, /* REG_MICGAIN 0x0E */
106 0x1B, /* REG_LINEGAIN 0x0F */
107 0x00, /* REG_HSLCTL 0x10 */
108 0x00, /* REG_HSRCTL 0x11 */
109 0x00, /* REG_HSGAIN 0x12 */
110 0x00, /* REG_EARCTL 0x13 */
111 0x00, /* REG_HFLCTL 0x14 */
112 0x00, /* REG_HFLGAIN 0x15 */
113 0x00, /* REG_HFRCTL 0x16 */
114 0x00, /* REG_HFRGAIN 0x17 */
115 0x00, /* REG_VIBCTLL 0x18 */
116 0x00, /* REG_VIBDATL 0x19 */
117 0x00, /* REG_VIBCTLR 0x1A */
118 0x00, /* REG_VIBDATR 0x1B */
119 0x00, /* REG_HKCTL1 0x1C */
120 0x00, /* REG_HKCTL2 0x1D */
121 0x00, /* REG_GPOCTL 0x1E */
122 0x00, /* REG_ALB 0x1F */
123 0x00, /* REG_DLB 0x20 */
124 0x00, /* not used 0x21 */
125 0x00, /* not used 0x22 */
126 0x00, /* not used 0x23 */
127 0x00, /* not used 0x24 */
128 0x00, /* not used 0x25 */
129 0x00, /* not used 0x26 */
130 0x00, /* not used 0x27 */
131 0x00, /* REG_TRIM1 0x28 */
132 0x00, /* REG_TRIM2 0x29 */
133 0x00, /* REG_TRIM3 0x2A */
134 0x00, /* REG_HSOTRIM 0x2B */
135 0x00, /* REG_HFOTRIM 0x2C */
136 0x09, /* REG_ACCCTL 0x2D */
137 0x00, /* REG_STATUS 0x2E (ro) */
d17bf318
PU		 138
139 0x00, /* REG_SW_SHADOW 0x2F - Shadow, non HW register */
8ecbabd9
MLC		 140};
141
a52762ee
PU		 142/* List of registers to be restored after power up */
143static const int twl6040_restore_list[] = {
8ecbabd9
MLC		 144 TWL6040_REG_MICLCTL,
145 TWL6040_REG_MICRCTL,
146 TWL6040_REG_MICGAIN,
147 TWL6040_REG_LINEGAIN,
148 TWL6040_REG_HSLCTL,
149 TWL6040_REG_HSRCTL,
150 TWL6040_REG_HSGAIN,
151 TWL6040_REG_EARCTL,
152 TWL6040_REG_HFLCTL,
153 TWL6040_REG_HFLGAIN,
154 TWL6040_REG_HFRCTL,
155 TWL6040_REG_HFRGAIN,
8ecbabd9
MLC		 156};
157
af958c72
PU		 158/* set of rates for each pll: low-power and high-performance */
159static unsigned int lp_rates[] = {
160 8000,
161 11250,
162 16000,
163 22500,
164 32000,
165 44100,
166 48000,
167 88200,
168 96000,
169};
170
af958c72
PU		 171static unsigned int hp_rates[] = {
172 8000,
173 16000,
174 32000,
175 48000,
176 96000,
177};
178
f53c346c
PU		 179static struct snd_pcm_hw_constraint_list sysclk_constraints[] = {
180 { .count = ARRAY_SIZE(lp_rates), .list = lp_rates, },
181 { .count = ARRAY_SIZE(hp_rates), .list = hp_rates, },
af958c72
PU		 182};
183
8ecbabd9
MLC		 184/*
185 * read twl6040 register cache
186 */
187static inline unsigned int twl6040_read_reg_cache(struct snd_soc_codec *codec,
188 unsigned int reg)
189{
190 u8 *cache = codec->reg_cache;
191
192 if (reg >= TWL6040_CACHEREGNUM)
193 return -EIO;
194
195 return cache[reg];
196}
197
198/*
199 * write twl6040 register cache
200 */
201static inline void twl6040_write_reg_cache(struct snd_soc_codec *codec,
202 u8 reg, u8 value)
203{
204 u8 *cache = codec->reg_cache;
205
206 if (reg >= TWL6040_CACHEREGNUM)
207 return;
208 cache[reg] = value;
209}
210
211/*
212 * read from twl6040 hardware register
213 */
214static int twl6040_read_reg_volatile(struct snd_soc_codec *codec,
215 unsigned int reg)
216{
fb34d3d5 217 struct twl6040 *twl6040 = codec->control_data;
8ecbabd9
MLC		 218 u8 value;
219
220 if (reg >= TWL6040_CACHEREGNUM)
221 return -EIO;
222
d17bf318
PU		 223 if (likely(reg < TWL6040_REG_SW_SHADOW)) {
224 value = twl6040_reg_read(twl6040, reg);
225 twl6040_write_reg_cache(codec, reg, value);
226 } else {
227 value = twl6040_read_reg_cache(codec, reg);
228 }
8ecbabd9
MLC		 229
230 return value;
231}
232
98c5fb1f
PU		 233static bool twl6040_is_path_unmuted(struct snd_soc_codec *codec,
234 unsigned int reg)
235{
236 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
237
238 switch (reg) {
239 case TWL6040_REG_HSLCTL:
240 case TWL6040_REG_HSRCTL:
241 case TWL6040_REG_EARCTL:
242 /* DL1 path */
243 return priv->dl1_unmuted;
244 case TWL6040_REG_HFLCTL:
245 case TWL6040_REG_HFRCTL:
246 return priv->dl2_unmuted;
247 default:
248 return 1;
249 };
250}
251
8ecbabd9
MLC		 252/*
253 * write to the twl6040 register space
254 */
255static int twl6040_write(struct snd_soc_codec *codec,
256 unsigned int reg, unsigned int value)
257{
fb34d3d5
MLC		 258 struct twl6040 *twl6040 = codec->control_data;
259
8ecbabd9
MLC		 260 if (reg >= TWL6040_CACHEREGNUM)
261 return -EIO;
262
263 twl6040_write_reg_cache(codec, reg, value);
98c5fb1f
PU		 264 if (likely(reg < TWL6040_REG_SW_SHADOW) &&
265 twl6040_is_path_unmuted(codec, reg))
d17bf318
PU		 266 return twl6040_reg_write(twl6040, reg, value);
267 else
268 return 0;
8ecbabd9
MLC		 269}
270
a52762ee 271static void twl6040_init_chip(struct snd_soc_codec *codec)
8ecbabd9 272{
a52762ee
PU		 273 struct twl6040 *twl6040 = codec->control_data;
274 u8 val;
275
f97217f1 276 /* Update reg_cache: ASICREV, and TRIM values */
a52762ee
PU		 277 val = twl6040_get_revid(twl6040);
278 twl6040_write_reg_cache(codec, TWL6040_REG_ASICREV, val);
8ecbabd9 279
f97217f1
PU		 280 twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM1);
281 twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM2);
282 twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM3);
283 twl6040_read_reg_volatile(codec, TWL6040_REG_HSOTRIM);
284 twl6040_read_reg_volatile(codec, TWL6040_REG_HFOTRIM);
285
2c27ff41
PU		 286 /* Change chip defaults */
287 /* No imput selected for microphone amplifiers */
288 twl6040_write_reg_cache(codec, TWL6040_REG_MICLCTL, 0x18);
289 twl6040_write_reg_cache(codec, TWL6040_REG_MICRCTL, 0x18);
3acef685
PU		 290
291 /*
292 * We need to lower the default gain values, so the ramp code
293 * can work correctly for the first playback.
294 * This reduces the pop noise heard at the first playback.
295 */
296 twl6040_write_reg_cache(codec, TWL6040_REG_HSGAIN, 0xff);
297 twl6040_write_reg_cache(codec, TWL6040_REG_EARCTL, 0x1e);
298 twl6040_write_reg_cache(codec, TWL6040_REG_HFLGAIN, 0x1d);
299 twl6040_write_reg_cache(codec, TWL6040_REG_HFRGAIN, 0x1d);
300 twl6040_write_reg_cache(codec, TWL6040_REG_LINEGAIN, 0);
8ecbabd9
MLC		 301}
302
a52762ee 303static void twl6040_restore_regs(struct snd_soc_codec *codec)
8ecbabd9
MLC		 304{
305 u8 *cache = codec->reg_cache;
306 int reg, i;
307
a52762ee
PU		 308 for (i = 0; i < ARRAY_SIZE(twl6040_restore_list); i++) {
309 reg = twl6040_restore_list[i];
8ecbabd9
MLC		 310 twl6040_write(codec, reg, cache[reg]);
311 }
312}
313
8ecbabd9
MLC		 314/* set headset dac and driver power mode */
315static int headset_power_mode(struct snd_soc_codec *codec, int high_perf)
316{
317 int hslctl, hsrctl;
ab6cf139 318 int mask = TWL6040_HSDRVMODE | TWL6040_HSDACMODE;
8ecbabd9
MLC		 319
320 hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL);
321 hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL);
322
323 if (high_perf) {
324 hslctl &= ~mask;
325 hsrctl &= ~mask;
326 } else {
327 hslctl |= mask;
328 hsrctl |= mask;
329 }
330
331 twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl);
332 twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl);
333
334 return 0;
335}
336
0fad4ed7
JEC		 337static int twl6040_hs_dac_event(struct snd_soc_dapm_widget *w,
338 struct snd_kcontrol *kcontrol, int event)
339{
33b6816c
PU		 340 struct snd_soc_codec *codec = w->codec;
341 u8 hslctl, hsrctl;
342
343 /*
344 * Workaround for Headset DC offset caused pop noise:
345 * Both HS DAC need to be turned on (before the HS driver) and off at
346 * the same time.
347 */
348 hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL);
349 hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL);
350 if (SND_SOC_DAPM_EVENT_ON(event)) {
351 hslctl |= TWL6040_HSDACENA;
352 hsrctl |= TWL6040_HSDACENA;
353 } else {
354 hslctl &= ~TWL6040_HSDACENA;
355 hsrctl &= ~TWL6040_HSDACENA;
356 }
357 twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl);
358 twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl);
359
0fad4ed7
JEC		 360 msleep(1);
361 return 0;
362}
363
694b0001 364static int twl6040_ep_drv_event(struct snd_soc_dapm_widget *w,
8ecbabd9
MLC		 365 struct snd_kcontrol *kcontrol, int event)
366{
367 struct snd_soc_codec *codec = w->codec;
d4a8ca24 368 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
6bba63b6 369 int ret = 0;
8ecbabd9 370
6bba63b6 371 if (SND_SOC_DAPM_EVENT_ON(event)) {
fac2f3e4
PU		 372 /* Earphone doesn't support low power mode */
373 priv->hs_power_mode_locked = 1;
374 ret = headset_power_mode(codec, 1);
6bba63b6 375 } else {
fac2f3e4
PU		 376 priv->hs_power_mode_locked = 0;
377 ret = headset_power_mode(codec, priv->hs_power_mode);
6bba63b6 378 }
8ecbabd9 379
0fad4ed7
JEC		 380 msleep(1);
381
6bba63b6 382 return ret;
8ecbabd9
MLC		 383}
384
64ed9836
MB		 385static void twl6040_hs_jack_report(struct snd_soc_codec *codec,
386 struct snd_soc_jack *jack, int report)
a2d2362e
JEC		 387{
388 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
389 int status;
390
391 mutex_lock(&priv->mutex);
392
393 /* Sync status */
394 status = twl6040_read_reg_volatile(codec, TWL6040_REG_STATUS);
395 if (status & TWL6040_PLUGCOMP)
396 snd_soc_jack_report(jack, report, report);
397 else
398 snd_soc_jack_report(jack, 0, report);
399
400 mutex_unlock(&priv->mutex);
401}
402
403void twl6040_hs_jack_detect(struct snd_soc_codec *codec,
404 struct snd_soc_jack *jack, int report)
405{
406 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
407 struct twl6040_jack_data *hs_jack = &priv->hs_jack;
408
409 hs_jack->jack = jack;
410 hs_jack->report = report;
411
412 twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
413}
414EXPORT_SYMBOL_GPL(twl6040_hs_jack_detect);
415
416static void twl6040_accessory_work(struct work_struct *work)
417{
418 struct twl6040_data *priv = container_of(work,
46dd0b93 419 struct twl6040_data, hs_jack.work.work);
a2d2362e
JEC		 420 struct snd_soc_codec *codec = priv->codec;
421 struct twl6040_jack_data *hs_jack = &priv->hs_jack;
422
423 twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
424}
425
8ecbabd9 426/* audio interrupt handler */
fb34d3d5 427static irqreturn_t twl6040_audio_handler(int irq, void *data)
8ecbabd9
MLC		 428{
429 struct snd_soc_codec *codec = data;
d4a8ca24 430 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
cf370a5a 431
da2107d1 432 schedule_delayed_work(&priv->hs_jack.work, msecs_to_jiffies(200));
cf370a5a 433
8ecbabd9
MLC		 434 return IRQ_HANDLED;
435}
436
67c34130
PU		 437static int twl6040_soc_dapm_put_vibra_enum(struct snd_kcontrol *kcontrol,
438 struct snd_ctl_elem_value *ucontrol)
439{
440 struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
441 struct snd_soc_dapm_widget *widget = wlist->widgets[0];
442 struct snd_soc_codec *codec = widget->codec;
443 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
444 unsigned int val;
445
446 /* Do not allow changes while Input/FF efect is running */
447 val = twl6040_read_reg_volatile(codec, e->reg);
448 if (val & TWL6040_VIBENA && !(val & TWL6040_VIBSEL))
449 return -EBUSY;
450
451 return snd_soc_dapm_put_enum_double(kcontrol, ucontrol);
452}
453
8ecbabd9
MLC		 454/*
455 * MICATT volume control:
456 * from -6 to 0 dB in 6 dB steps
457 */
458static DECLARE_TLV_DB_SCALE(mic_preamp_tlv, -600, 600, 0);
459
460/*
461 * MICGAIN volume control:
2763f45d 462 * from 6 to 30 dB in 6 dB steps
8ecbabd9 463 */
2763f45d 464static DECLARE_TLV_DB_SCALE(mic_amp_tlv, 600, 600, 0);
8ecbabd9 465
370a0314
JEC		 466/*
467 * AFMGAIN volume control:
1f71a3ba 468 * from -18 to 24 dB in 6 dB steps
370a0314 469 */
1f71a3ba 470static DECLARE_TLV_DB_SCALE(afm_amp_tlv, -1800, 600, 0);
370a0314 471
8ecbabd9
MLC		 472/*
473 * HSGAIN volume control:
474 * from -30 to 0 dB in 2 dB steps
475 */
476static DECLARE_TLV_DB_SCALE(hs_tlv, -3000, 200, 0);
477
478/*
479 * HFGAIN volume control:
480 * from -52 to 6 dB in 2 dB steps
481 */
482static DECLARE_TLV_DB_SCALE(hf_tlv, -5200, 200, 0);
483
871a05a7
JEC		 484/*
485 * EPGAIN volume control:
486 * from -24 to 6 dB in 2 dB steps
487 */
488static DECLARE_TLV_DB_SCALE(ep_tlv, -2400, 200, 0);
489
8ecbabd9
MLC		 490/* Left analog microphone selection */
491static const char *twl6040_amicl_texts[] =
492 {"Headset Mic", "Main Mic", "Aux/FM Left", "Off"};
493
494/* Right analog microphone selection */
495static const char *twl6040_amicr_texts[] =
496 {"Headset Mic", "Sub Mic", "Aux/FM Right", "Off"};
497
498static const struct soc_enum twl6040_enum[] = {
cb973d78
FM		 499 SOC_ENUM_SINGLE(TWL6040_REG_MICLCTL, 3, 4, twl6040_amicl_texts),
500 SOC_ENUM_SINGLE(TWL6040_REG_MICRCTL, 3, 4, twl6040_amicr_texts),
8ecbabd9
MLC		 501};
502
370a0314
JEC		 503static const char *twl6040_hs_texts[] = {
504 "Off", "HS DAC", "Line-In amp"
505};
506
507static const struct soc_enum twl6040_hs_enum[] = {
508 SOC_ENUM_SINGLE(TWL6040_REG_HSLCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
509 twl6040_hs_texts),
510 SOC_ENUM_SINGLE(TWL6040_REG_HSRCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
511 twl6040_hs_texts),
512};
513
514static const char *twl6040_hf_texts[] = {
515 "Off", "HF DAC", "Line-In amp"
516};
517
518static const struct soc_enum twl6040_hf_enum[] = {
519 SOC_ENUM_SINGLE(TWL6040_REG_HFLCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
520 twl6040_hf_texts),
521 SOC_ENUM_SINGLE(TWL6040_REG_HFRCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
522 twl6040_hf_texts),
523};
524
67c34130
PU		 525static const char *twl6040_vibrapath_texts[] = {
526 "Input FF", "Audio PDM"
527};
528
529static const struct soc_enum twl6040_vibra_enum[] = {
530 SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLL, 1,
531 ARRAY_SIZE(twl6040_vibrapath_texts),
532 twl6040_vibrapath_texts),
533 SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLR, 1,
534 ARRAY_SIZE(twl6040_vibrapath_texts),
535 twl6040_vibrapath_texts),
536};
537
8ecbabd9
MLC		 538static const struct snd_kcontrol_new amicl_control =
539 SOC_DAPM_ENUM("Route", twl6040_enum[0]);
540
541static const struct snd_kcontrol_new amicr_control =
542 SOC_DAPM_ENUM("Route", twl6040_enum[1]);
543
544/* Headset DAC playback switches */
370a0314
JEC		 545static const struct snd_kcontrol_new hsl_mux_controls =
546 SOC_DAPM_ENUM("Route", twl6040_hs_enum[0]);
8ecbabd9 547
370a0314
JEC		 548static const struct snd_kcontrol_new hsr_mux_controls =
549 SOC_DAPM_ENUM("Route", twl6040_hs_enum[1]);
8ecbabd9
MLC		 550
551/* Handsfree DAC playback switches */
370a0314
JEC		 552static const struct snd_kcontrol_new hfl_mux_controls =
553 SOC_DAPM_ENUM("Route", twl6040_hf_enum[0]);
8ecbabd9 554
370a0314
JEC		 555static const struct snd_kcontrol_new hfr_mux_controls =
556 SOC_DAPM_ENUM("Route", twl6040_hf_enum[1]);
8ecbabd9 557
317596a6
PU		 558static const struct snd_kcontrol_new ep_path_enable_control =
559 SOC_DAPM_SINGLE("Switch", TWL6040_REG_SW_SHADOW, 0, 1, 0);
871a05a7 560
fdb625ff
PU		 561static const struct snd_kcontrol_new auxl_switch_control =
562 SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFLCTL, 6, 1, 0);
563
564static const struct snd_kcontrol_new auxr_switch_control =
565 SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFRCTL, 6, 1, 0);
566
67c34130
PU		 567/* Vibra playback switches */
568static const struct snd_kcontrol_new vibral_mux_controls =
569 SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[0],
570 snd_soc_dapm_get_enum_double,
571 twl6040_soc_dapm_put_vibra_enum);
572
573static const struct snd_kcontrol_new vibrar_mux_controls =
574 SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[1],
575 snd_soc_dapm_get_enum_double,
576 twl6040_soc_dapm_put_vibra_enum);
577
6bba63b6 578/* Headset power mode */
7cca6067 579static const char *twl6040_power_mode_texts[] = {
3e453654 580 "Low-Power", "High-Performance",
6bba63b6
MLC		 581};
582
7cca6067
PU		 583static const struct soc_enum twl6040_power_mode_enum =
584 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(twl6040_power_mode_texts),
585 twl6040_power_mode_texts);
6bba63b6
MLC		 586
587static int twl6040_headset_power_get_enum(struct snd_kcontrol *kcontrol,
588 struct snd_ctl_elem_value *ucontrol)
589{
590 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
591 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
592
593 ucontrol->value.enumerated.item[0] = priv->hs_power_mode;
594
595 return 0;
596}
597
598static int twl6040_headset_power_put_enum(struct snd_kcontrol *kcontrol,
599 struct snd_ctl_elem_value *ucontrol)
600{
601 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
602 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
603 int high_perf = ucontrol->value.enumerated.item[0];
604 int ret = 0;
605
606 if (!priv->hs_power_mode_locked)
607 ret = headset_power_mode(codec, high_perf);
608
609 if (!ret)
610 priv->hs_power_mode = high_perf;
611
612 return ret;
613}
614
af958c72
PU		 615static int twl6040_pll_get_enum(struct snd_kcontrol *kcontrol,
616 struct snd_ctl_elem_value *ucontrol)
617{
618 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
619 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
620
621 ucontrol->value.enumerated.item[0] = priv->pll_power_mode;
622
623 return 0;
624}
625
626static int twl6040_pll_put_enum(struct snd_kcontrol *kcontrol,
627 struct snd_ctl_elem_value *ucontrol)
628{
629 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
630 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
631
632 priv->pll_power_mode = ucontrol->value.enumerated.item[0];
af958c72
PU		 633
634 return 0;
635}
636
e48b46ba
LG		 637int twl6040_get_dl1_gain(struct snd_soc_codec *codec)
638{
639 struct snd_soc_dapm_context *dapm = &codec->dapm;
640
641 if (snd_soc_dapm_get_pin_status(dapm, "EP"))
642 return -1; /* -1dB */
643
644 if (snd_soc_dapm_get_pin_status(dapm, "HSOR") ||
645 snd_soc_dapm_get_pin_status(dapm, "HSOL")) {
646
647 u8 val = snd_soc_read(codec, TWL6040_REG_HSLCTL);
648 if (val & TWL6040_HSDACMODE)
649 /* HSDACL in LP mode */
650 return -8; /* -8dB */
651 else
652 /* HSDACL in HP mode */
653 return -1; /* -1dB */
654 }
655 return 0; /* 0dB */
656}
657EXPORT_SYMBOL_GPL(twl6040_get_dl1_gain);
658
af958c72
PU		 659int twl6040_get_clk_id(struct snd_soc_codec *codec)
660{
661 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
662
ff593ca1 663 return priv->pll_power_mode;
af958c72
PU		 664}
665EXPORT_SYMBOL_GPL(twl6040_get_clk_id);
666
db4aabcc
PU		 667int twl6040_get_trim_value(struct snd_soc_codec *codec, enum twl6040_trim trim)
668{
669 if (unlikely(trim >= TWL6040_TRIM_INVAL))
670 return -EINVAL;
671
672 return twl6040_read_reg_cache(codec, TWL6040_REG_TRIM1 + trim);
673}
674EXPORT_SYMBOL_GPL(twl6040_get_trim_value);
675
08656910
LG		 676int twl6040_get_hs_step_size(struct snd_soc_codec *codec)
677{
678 struct twl6040 *twl6040 = codec->control_data;
679
be4ac00a 680 if (twl6040_get_revid(twl6040) < TWL6040_REV_ES1_3)
08656910
LG		 681 /* For ES under ES_1.3 HS step is 2 mV */
682 return 2;
683 else
684 /* For ES_1.3 HS step is 1 mV */
685 return 1;
686}
687EXPORT_SYMBOL_GPL(twl6040_get_hs_step_size);
688
8ecbabd9
MLC		 689static const struct snd_kcontrol_new twl6040_snd_controls[] = {
690 /* Capture gains */
691 SOC_DOUBLE_TLV("Capture Preamplifier Volume",
692 TWL6040_REG_MICGAIN, 6, 7, 1, 1, mic_preamp_tlv),
693 SOC_DOUBLE_TLV("Capture Volume",
694 TWL6040_REG_MICGAIN, 0, 3, 4, 0, mic_amp_tlv),
695
370a0314
JEC		 696 /* AFM gains */
697 SOC_DOUBLE_TLV("Aux FM Volume",
1f71a3ba 698 TWL6040_REG_LINEGAIN, 0, 3, 7, 0, afm_amp_tlv),
370a0314 699
8ecbabd9 700 /* Playback gains */
3bb8a819
PU		 701 SOC_DOUBLE_TLV("Headset Playback Volume",
702 TWL6040_REG_HSGAIN, 0, 4, 0xF, 1, hs_tlv),
703 SOC_DOUBLE_R_TLV("Handsfree Playback Volume",
704 TWL6040_REG_HFLGAIN, TWL6040_REG_HFRGAIN, 0, 0x1D, 1, hf_tlv),
871a05a7
JEC		 705 SOC_SINGLE_TLV("Earphone Playback Volume",
706 TWL6040_REG_EARCTL, 1, 0xF, 1, ep_tlv),
6bba63b6 707
7cca6067 708 SOC_ENUM_EXT("Headset Power Mode", twl6040_power_mode_enum,
6bba63b6
MLC		 709 twl6040_headset_power_get_enum,
710 twl6040_headset_power_put_enum),
af958c72
PU		 711
712 SOC_ENUM_EXT("PLL Selection", twl6040_power_mode_enum,
713 twl6040_pll_get_enum, twl6040_pll_put_enum),
8ecbabd9
MLC		 714};
715
716static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
717 /* Inputs */
718 SND_SOC_DAPM_INPUT("MAINMIC"),
719 SND_SOC_DAPM_INPUT("HSMIC"),
720 SND_SOC_DAPM_INPUT("SUBMIC"),
721 SND_SOC_DAPM_INPUT("AFML"),
722 SND_SOC_DAPM_INPUT("AFMR"),
723
724 /* Outputs */
725 SND_SOC_DAPM_OUTPUT("HSOL"),
726 SND_SOC_DAPM_OUTPUT("HSOR"),
727 SND_SOC_DAPM_OUTPUT("HFL"),
728 SND_SOC_DAPM_OUTPUT("HFR"),
871a05a7 729 SND_SOC_DAPM_OUTPUT("EP"),
fdb625ff
PU		 730 SND_SOC_DAPM_OUTPUT("AUXL"),
731 SND_SOC_DAPM_OUTPUT("AUXR"),
67c34130
PU		 732 SND_SOC_DAPM_OUTPUT("VIBRAL"),
733 SND_SOC_DAPM_OUTPUT("VIBRAR"),
8ecbabd9
MLC		 734
735 /* Analog input muxes for the capture amplifiers */
736 SND_SOC_DAPM_MUX("Analog Left Capture Route",
737 SND_SOC_NOPM, 0, 0, &amicl_control),
738 SND_SOC_DAPM_MUX("Analog Right Capture Route",
739 SND_SOC_NOPM, 0, 0, &amicr_control),
740
741 /* Analog capture PGAs */
742 SND_SOC_DAPM_PGA("MicAmpL",
743 TWL6040_REG_MICLCTL, 0, 0, NULL, 0),
744 SND_SOC_DAPM_PGA("MicAmpR",
745 TWL6040_REG_MICRCTL, 0, 0, NULL, 0),
746
370a0314
JEC		 747 /* Auxiliary FM PGAs */
748 SND_SOC_DAPM_PGA("AFMAmpL",
749 TWL6040_REG_MICLCTL, 1, 0, NULL, 0),
750 SND_SOC_DAPM_PGA("AFMAmpR",
751 TWL6040_REG_MICRCTL, 1, 0, NULL, 0),
752
8ecbabd9 753 /* ADCs */
805238b1
PU		 754 SND_SOC_DAPM_ADC("ADC Left", NULL, TWL6040_REG_MICLCTL, 2, 0),
755 SND_SOC_DAPM_ADC("ADC Right", NULL, TWL6040_REG_MICRCTL, 2, 0),
8ecbabd9
MLC		 756
757 /* Microphone bias */
778cee7a
PU		 758 SND_SOC_DAPM_SUPPLY("Headset Mic Bias",
759 TWL6040_REG_AMICBCTL, 0, 0, NULL, 0),
760 SND_SOC_DAPM_SUPPLY("Main Mic Bias",
761 TWL6040_REG_AMICBCTL, 4, 0, NULL, 0),
762 SND_SOC_DAPM_SUPPLY("Digital Mic1 Bias",
763 TWL6040_REG_DMICBCTL, 0, 0, NULL, 0),
764 SND_SOC_DAPM_SUPPLY("Digital Mic2 Bias",
765 TWL6040_REG_DMICBCTL, 4, 0, NULL, 0),
8ecbabd9
MLC		 766
767 /* DACs */
805238b1
PU		 768 SND_SOC_DAPM_DAC("HSDAC Left", NULL, SND_SOC_NOPM, 0, 0),
769 SND_SOC_DAPM_DAC("HSDAC Right", NULL, SND_SOC_NOPM, 0, 0),
770 SND_SOC_DAPM_DAC("HFDAC Left", NULL, TWL6040_REG_HFLCTL, 0, 0),
771 SND_SOC_DAPM_DAC("HFDAC Right", NULL, TWL6040_REG_HFRCTL, 0, 0),
67c34130 772 /* Virtual DAC for vibra path (DL4 channel) */
805238b1 773 SND_SOC_DAPM_DAC("VIBRA DAC", NULL, SND_SOC_NOPM, 0, 0),
8ecbabd9 774
df11ce29 775 SND_SOC_DAPM_MUX("Handsfree Left Playback",
370a0314 776 SND_SOC_NOPM, 0, 0, &hfl_mux_controls),
df11ce29 777 SND_SOC_DAPM_MUX("Handsfree Right Playback",
370a0314
JEC		 778 SND_SOC_NOPM, 0, 0, &hfr_mux_controls),
779 /* Analog playback Muxes */
45b0f60d 780 SND_SOC_DAPM_MUX("Headset Left Playback",
370a0314 781 SND_SOC_NOPM, 0, 0, &hsl_mux_controls),
45b0f60d 782 SND_SOC_DAPM_MUX("Headset Right Playback",
370a0314 783 SND_SOC_NOPM, 0, 0, &hsr_mux_controls),
8ecbabd9 784
67c34130
PU		 785 SND_SOC_DAPM_MUX("Vibra Left Playback", SND_SOC_NOPM, 0, 0,
786 &vibral_mux_controls),
787 SND_SOC_DAPM_MUX("Vibra Right Playback", SND_SOC_NOPM, 0, 0,
788 &vibrar_mux_controls),
789
317596a6
PU		 790 SND_SOC_DAPM_SWITCH("Earphone Playback", SND_SOC_NOPM, 0, 0,
791 &ep_path_enable_control),
fdb625ff
PU		 792 SND_SOC_DAPM_SWITCH("AUXL Playback", SND_SOC_NOPM, 0, 0,
793 &auxl_switch_control),
794 SND_SOC_DAPM_SWITCH("AUXR Playback", SND_SOC_NOPM, 0, 0,
795 &auxr_switch_control),
317596a6 796
0fad4ed7 797 /* Analog playback drivers */
3bb8a819
PU		 798 SND_SOC_DAPM_OUT_DRV("HF Left Driver",
799 TWL6040_REG_HFLCTL, 4, 0, NULL, 0),
800 SND_SOC_DAPM_OUT_DRV("HF Right Driver",
801 TWL6040_REG_HFRCTL, 4, 0, NULL, 0),
802 SND_SOC_DAPM_OUT_DRV("HS Left Driver",
803 TWL6040_REG_HSLCTL, 2, 0, NULL, 0),
804 SND_SOC_DAPM_OUT_DRV("HS Right Driver",
805 TWL6040_REG_HSRCTL, 2, 0, NULL, 0),
317596a6
PU		 806 SND_SOC_DAPM_OUT_DRV_E("Earphone Driver",
807 TWL6040_REG_EARCTL, 0, 0, NULL, 0,
694b0001 808 twl6040_ep_drv_event,
aa1a4108 809 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
67c34130
PU		 810 SND_SOC_DAPM_OUT_DRV("Vibra Left Driver",
811 TWL6040_REG_VIBCTLL, 0, 0, NULL, 0),
812 SND_SOC_DAPM_OUT_DRV("Vibra Right Driver",
813 TWL6040_REG_VIBCTLR, 0, 0, NULL, 0),
814
815 SND_SOC_DAPM_SUPPLY("Vibra Left Control", TWL6040_REG_VIBCTLL, 2, 0,
816 NULL, 0),
817 SND_SOC_DAPM_SUPPLY("Vibra Right Control", TWL6040_REG_VIBCTLR, 2, 0,
818 NULL, 0),
33b6816c
PU		 819 SND_SOC_DAPM_SUPPLY_S("HSDAC Power", 1, SND_SOC_NOPM, 0, 0,
820 twl6040_hs_dac_event,
821 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
8ecbabd9
MLC		 822
823 /* Analog playback PGAs */
df11ce29 824 SND_SOC_DAPM_PGA("HF Left PGA",
8ecbabd9 825 TWL6040_REG_HFLCTL, 1, 0, NULL, 0),
df11ce29 826 SND_SOC_DAPM_PGA("HF Right PGA",
8ecbabd9
MLC		 827 TWL6040_REG_HFRCTL, 1, 0, NULL, 0),
828
829};
830
831static const struct snd_soc_dapm_route intercon[] = {
805238b1
PU		 832 /* Stream -> DAC mapping */
833 {"HSDAC Left", NULL, "Legacy Playback"},
834 {"HSDAC Left", NULL, "Headset Playback"},
835 {"HSDAC Right", NULL, "Legacy Playback"},
836 {"HSDAC Right", NULL, "Headset Playback"},
837
838 {"HFDAC Left", NULL, "Legacy Playback"},
839 {"HFDAC Left", NULL, "Handsfree Playback"},
840 {"HFDAC Right", NULL, "Legacy Playback"},
841 {"HFDAC Right", NULL, "Handsfree Playback"},
842
843 {"VIBRA DAC", NULL, "Legacy Playback"},
844 {"VIBRA DAC", NULL, "Vibra Playback"},
845
846 /* ADC -> Stream mapping */
07ac2296
PU		 847 {"Legacy Capture" , NULL, "ADC Left"},
848 {"Capture", NULL, "ADC Left"},
849 {"Legacy Capture", NULL, "ADC Right"},
850 {"Capture" , NULL, "ADC Right"},
805238b1 851
8ecbabd9
MLC		 852 /* Capture path */
853 {"Analog Left Capture Route", "Headset Mic", "HSMIC"},
854 {"Analog Left Capture Route", "Main Mic", "MAINMIC"},
855 {"Analog Left Capture Route", "Aux/FM Left", "AFML"},
856
857 {"Analog Right Capture Route", "Headset Mic", "HSMIC"},
858 {"Analog Right Capture Route", "Sub Mic", "SUBMIC"},
859 {"Analog Right Capture Route", "Aux/FM Right", "AFMR"},
860
861 {"MicAmpL", NULL, "Analog Left Capture Route"},
862 {"MicAmpR", NULL, "Analog Right Capture Route"},
863
864 {"ADC Left", NULL, "MicAmpL"},
865 {"ADC Right", NULL, "MicAmpR"},
866
370a0314 867 /* AFM path */
5bf692d9
PU		 868 {"AFMAmpL", NULL, "AFML"},
869 {"AFMAmpR", NULL, "AFMR"},
370a0314 870
33b6816c
PU		 871 {"HSDAC Left", NULL, "HSDAC Power"},
872 {"HSDAC Right", NULL, "HSDAC Power"},
873
45b0f60d
PU		 874 {"Headset Left Playback", "HS DAC", "HSDAC Left"},
875 {"Headset Left Playback", "Line-In amp", "AFMAmpL"},
8ecbabd9 876
45b0f60d
PU		 877 {"Headset Right Playback", "HS DAC", "HSDAC Right"},
878 {"Headset Right Playback", "Line-In amp", "AFMAmpR"},
370a0314 879
45b0f60d
PU		 880 {"HS Left Driver", NULL, "Headset Left Playback"},
881 {"HS Right Driver", NULL, "Headset Right Playback"},
8ecbabd9 882
45b0f60d
PU		 883 {"HSOL", NULL, "HS Left Driver"},
884 {"HSOR", NULL, "HS Right Driver"},
8ecbabd9 885
871a05a7 886 /* Earphone playback path */
317596a6
PU		 887 {"Earphone Playback", "Switch", "HSDAC Left"},
888 {"Earphone Driver", NULL, "Earphone Playback"},
871a05a7
JEC		 889 {"EP", NULL, "Earphone Driver"},
890
df11ce29
PU		 891 {"Handsfree Left Playback", "HF DAC", "HFDAC Left"},
892 {"Handsfree Left Playback", "Line-In amp", "AFMAmpL"},
370a0314 893
df11ce29
PU		 894 {"Handsfree Right Playback", "HF DAC", "HFDAC Right"},
895 {"Handsfree Right Playback", "Line-In amp", "AFMAmpR"},
8ecbabd9 896
df11ce29
PU		 897 {"HF Left PGA", NULL, "Handsfree Left Playback"},
898 {"HF Right PGA", NULL, "Handsfree Right Playback"},
8ecbabd9 899
df11ce29
PU		 900 {"HF Left Driver", NULL, "HF Left PGA"},
901 {"HF Right Driver", NULL, "HF Right PGA"},
8ecbabd9 902
df11ce29
PU		 903 {"HFL", NULL, "HF Left Driver"},
904 {"HFR", NULL, "HF Right Driver"},
fdb625ff
PU		 905
906 {"AUXL Playback", "Switch", "HF Left PGA"},
907 {"AUXR Playback", "Switch", "HF Right PGA"},
908
909 {"AUXL", NULL, "AUXL Playback"},
910 {"AUXR", NULL, "AUXR Playback"},
67c34130
PU		 911
912 /* Vibrator paths */
913 {"Vibra Left Playback", "Audio PDM", "VIBRA DAC"},
914 {"Vibra Right Playback", "Audio PDM", "VIBRA DAC"},
915
916 {"Vibra Left Driver", NULL, "Vibra Left Playback"},
917 {"Vibra Right Driver", NULL, "Vibra Right Playback"},
918 {"Vibra Left Driver", NULL, "Vibra Left Control"},
919 {"Vibra Right Driver", NULL, "Vibra Right Control"},
920
921 {"VIBRAL", NULL, "Vibra Left Driver"},
922 {"VIBRAR", NULL, "Vibra Right Driver"},
8ecbabd9
MLC		 923};
924
8ecbabd9
MLC		 925static int twl6040_set_bias_level(struct snd_soc_codec *codec,
926 enum snd_soc_bias_level level)
927{
fb34d3d5 928 struct twl6040 *twl6040 = codec->control_data;
d4a8ca24 929 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
8ecbabd9
MLC		 930 int ret;
931
932 switch (level) {
933 case SND_SOC_BIAS_ON:
934 break;
935 case SND_SOC_BIAS_PREPARE:
936 break;
937 case SND_SOC_BIAS_STANDBY:
938 if (priv->codec_powered)
939 break;
940
fb34d3d5
MLC		 941 ret = twl6040_power(twl6040, 1);
942 if (ret)
943 return ret;
8ecbabd9 944
fb34d3d5 945 priv->codec_powered = 1;
8ecbabd9 946
a52762ee 947 twl6040_restore_regs(codec);
65b7cecc
OM		 948
949 /* Set external boost GPO */
950 twl6040_write(codec, TWL6040_REG_GPOCTL, 0x02);
8ecbabd9
MLC		 951 break;
952 case SND_SOC_BIAS_OFF:
953 if (!priv->codec_powered)
954 break;
955
fb34d3d5 956 twl6040_power(twl6040, 0);
8ecbabd9
MLC		 957 priv->codec_powered = 0;
958 break;
959 }
960
ce6120cc 961 codec->dapm.bias_level = level;
8ecbabd9
MLC		 962
963 return 0;
964}
965
8ecbabd9
MLC		 966static int twl6040_startup(struct snd_pcm_substream *substream,
967 struct snd_soc_dai *dai)
968{
e6968a17 969 struct snd_soc_codec *codec = dai->codec;
d4a8ca24 970 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
8ecbabd9 971
8ecbabd9
MLC		 972 snd_pcm_hw_constraint_list(substream->runtime, 0,
973 SNDRV_PCM_HW_PARAM_RATE,
f53c346c 974 &sysclk_constraints[priv->pll_power_mode]);
8ecbabd9
MLC		 975
976 return 0;
977}
978
979static int twl6040_hw_params(struct snd_pcm_substream *substream,
980 struct snd_pcm_hw_params *params,
981 struct snd_soc_dai *dai)
982{
e6968a17 983 struct snd_soc_codec *codec = dai->codec;
d4a8ca24 984 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
8ecbabd9
MLC		 985 int rate;
986
8ecbabd9
MLC		 987 rate = params_rate(params);
988 switch (rate) {
60ea4cec
OM		 989 case 11250:
990 case 22500:
991 case 44100:
8ecbabd9 992 case 88200:
753621c2
PU		 993 /* These rates are not supported when HPPLL is in use */
994 if (unlikely(priv->pll == TWL6040_SYSCLK_SEL_HPPLL)) {
995 dev_err(codec->dev, "HPPLL does not support rate %d\n",
996 rate);
997 return -EINVAL;
998 }
8ecbabd9
MLC		 999 priv->sysclk = 17640000;
1000 break;
60ea4cec
OM		 1001 case 8000:
1002 case 16000:
1003 case 32000:
1004 case 48000:
8ecbabd9 1005 case 96000:
8ecbabd9
MLC		 1006 priv->sysclk = 19200000;
1007 break;
1008 default:
1009 dev_err(codec->dev, "unsupported rate %d\n", rate);
1010 return -EINVAL;
1011 }
1012
8ecbabd9
MLC		 1013 return 0;
1014}
1015
4e624d06
OM		 1016static int twl6040_prepare(struct snd_pcm_substream *substream,
1017 struct snd_soc_dai *dai)
8ecbabd9 1018{
e6968a17 1019 struct snd_soc_codec *codec = dai->codec;
753621c2 1020 struct twl6040 *twl6040 = codec->control_data;
d4a8ca24 1021 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
753621c2 1022 int ret;
8ecbabd9 1023
4e624d06
OM		 1024 if (!priv->sysclk) {
1025 dev_err(codec->dev,
1026 "no mclk configured, call set_sysclk() on init\n");
1027 return -EINVAL;
1028 }
1029
753621c2
PU		 1030 ret = twl6040_set_pll(twl6040, priv->pll, priv->clk_in, priv->sysclk);
1031 if (ret) {
1032 dev_err(codec->dev, "Can not set PLL (%d)\n", ret);
1033 return -EPERM;
1034 }
1035
8ecbabd9
MLC		 1036 return 0;
1037}
1038
1039static int twl6040_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1040 int clk_id, unsigned int freq, int dir)
1041{
1042 struct snd_soc_codec *codec = codec_dai->codec;
d4a8ca24 1043 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
8ecbabd9
MLC		 1044
1045 switch (clk_id) {
1046 case TWL6040_SYSCLK_SEL_LPPLL:
8ecbabd9 1047 case TWL6040_SYSCLK_SEL_HPPLL:
753621c2
PU		 1048 priv->pll = clk_id;
1049 priv->clk_in = freq;
8ecbabd9
MLC		 1050 break;
1051 default:
1052 dev_err(codec->dev, "unknown clk_id %d\n", clk_id);
1053 return -EINVAL;
1054 }
1055
1056 return 0;
1057}
1058
98c5fb1f
PU		 1059static void twl6040_mute_path(struct snd_soc_codec *codec, enum twl6040_dai_id id,
1060 int mute)
1061{
1062 struct twl6040 *twl6040 = codec->control_data;
1063 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1064 int hslctl, hsrctl, earctl;
1065 int hflctl, hfrctl;
1066
1067 switch (id) {
1068 case TWL6040_DAI_DL1:
1069 hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL);
1070 hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL);
1071 earctl = twl6040_read_reg_cache(codec, TWL6040_REG_EARCTL);
1072
1073 if (mute) {
1074 /* Power down drivers and DACs */
1075 earctl &= ~0x01;
1076 hslctl &= ~(TWL6040_HSDRVENA | TWL6040_HSDACENA);
1077 hsrctl &= ~(TWL6040_HSDRVENA | TWL6040_HSDACENA);
1078
1079 }
1080
1081 twl6040_reg_write(twl6040, TWL6040_REG_EARCTL, earctl);
1082 twl6040_reg_write(twl6040, TWL6040_REG_HSLCTL, hslctl);
1083 twl6040_reg_write(twl6040, TWL6040_REG_HSRCTL, hsrctl);
1084 priv->dl1_unmuted = !mute;
1085 break;
1086 case TWL6040_DAI_DL2:
1087 hflctl = twl6040_read_reg_cache(codec, TWL6040_REG_HFLCTL);
1088 hfrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HFRCTL);
1089
1090 if (mute) {
1091 /* Power down drivers and DACs */
1092 hflctl &= ~(TWL6040_HFDACENA | TWL6040_HFPGAENA |
1093 TWL6040_HFDRVENA);
1094 hfrctl &= ~(TWL6040_HFDACENA | TWL6040_HFPGAENA |
1095 TWL6040_HFDRVENA);
1096 }
1097
1098 twl6040_reg_write(twl6040, TWL6040_REG_HFLCTL, hflctl);
1099 twl6040_reg_write(twl6040, TWL6040_REG_HFRCTL, hfrctl);
1100 priv->dl2_unmuted = !mute;
1101 break;
1102 default:
1103 break;
1104 };
1105}
1106
1107static int twl6040_digital_mute(struct snd_soc_dai *dai, int mute)
1108{
1109 switch (dai->id) {
1110 case TWL6040_DAI_LEGACY:
1111 twl6040_mute_path(dai->codec, TWL6040_DAI_DL1, mute);
1112 twl6040_mute_path(dai->codec, TWL6040_DAI_DL2, mute);
1113 break;
1114 case TWL6040_DAI_DL1:
1115 case TWL6040_DAI_DL2:
1116 twl6040_mute_path(dai->codec, dai->id, mute);
1117 break;
1118 default:
1119 break;
1120 }
1121
1122 return 0;
1123}
1124
85e7652d 1125static const struct snd_soc_dai_ops twl6040_dai_ops = {
8ecbabd9
MLC		 1126 .startup = twl6040_startup,
1127 .hw_params = twl6040_hw_params,
4e624d06 1128 .prepare = twl6040_prepare,
8ecbabd9 1129 .set_sysclk = twl6040_set_dai_sysclk,
98c5fb1f 1130 .digital_mute = twl6040_digital_mute,
8ecbabd9
MLC		 1131};
1132
6510bdc3 1133static struct snd_soc_dai_driver twl6040_dai[] = {
21385eeb 1134{
d13f1fe0 1135 .name = "twl6040-legacy",
68897497 1136 .id = TWL6040_DAI_LEGACY,
8ecbabd9 1137 .playback = {
805238b1 1138 .stream_name = "Legacy Playback",
8ecbabd9 1139 .channels_min = 1,
cdd5054c 1140 .channels_max = 5,
21385eeb
PU		 1141 .rates = TWL6040_RATES,
1142 .formats = TWL6040_FORMATS,
1143 },
1144 .capture = {
805238b1 1145 .stream_name = "Legacy Capture",
21385eeb
PU		 1146 .channels_min = 1,
1147 .channels_max = 2,
8ecbabd9
MLC		 1148 .rates = TWL6040_RATES,
1149 .formats = TWL6040_FORMATS,
1150 },
21385eeb
PU		 1151 .ops = &twl6040_dai_ops,
1152},
6510bdc3
LG		 1153{
1154 .name = "twl6040-ul",
68897497 1155 .id = TWL6040_DAI_UL,
8ecbabd9
MLC		 1156 .capture = {
1157 .stream_name = "Capture",
1158 .channels_min = 1,
1159 .channels_max = 2,
1160 .rates = TWL6040_RATES,
1161 .formats = TWL6040_FORMATS,
1162 },
1163 .ops = &twl6040_dai_ops,
6510bdc3
LG		 1164},
1165{
1166 .name = "twl6040-dl1",
68897497 1167 .id = TWL6040_DAI_DL1,
8ecbabd9 1168 .playback = {
6510bdc3 1169 .stream_name = "Headset Playback",
8ecbabd9 1170 .channels_min = 1,
6510bdc3 1171 .channels_max = 2,
8ecbabd9
MLC		 1172 .rates = TWL6040_RATES,
1173 .formats = TWL6040_FORMATS,
1174 },
6510bdc3
LG		 1175 .ops = &twl6040_dai_ops,
1176},
1177{
1178 .name = "twl6040-dl2",
68897497 1179 .id = TWL6040_DAI_DL2,
6510bdc3
LG		 1180 .playback = {
1181 .stream_name = "Handsfree Playback",
8ecbabd9
MLC		 1182 .channels_min = 1,
1183 .channels_max = 2,
1184 .rates = TWL6040_RATES,
1185 .formats = TWL6040_FORMATS,
1186 },
1187 .ops = &twl6040_dai_ops,
6510bdc3
LG		 1188},
1189{
1190 .name = "twl6040-vib",
68897497 1191 .id = TWL6040_DAI_VIB,
6510bdc3
LG		 1192 .playback = {
1193 .stream_name = "Vibra Playback",
d8dd032d
PU		 1194 .channels_min = 1,
1195 .channels_max = 1,
6510bdc3
LG		 1196 .rates = SNDRV_PCM_RATE_CONTINUOUS,
1197 .formats = TWL6040_FORMATS,
1198 },
1199 .ops = &twl6040_dai_ops,
1200},
8ecbabd9 1201};
8ecbabd9
MLC		 1202
1203#ifdef CONFIG_PM
84b315ee 1204static int twl6040_suspend(struct snd_soc_codec *codec)
8ecbabd9 1205{
8ecbabd9
MLC		 1206 twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
1207
1208 return 0;
1209}
1210
f0fba2ad 1211static int twl6040_resume(struct snd_soc_codec *codec)
8ecbabd9 1212{
8ecbabd9 1213 twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
8ecbabd9
MLC		 1214
1215 return 0;
1216}
1217#else
1218#define twl6040_suspend NULL
1219#define twl6040_resume NULL
1220#endif
1221
f0fba2ad 1222static int twl6040_probe(struct snd_soc_codec *codec)
8ecbabd9 1223{
8ecbabd9 1224 struct twl6040_data *priv;
2a433b9d
PU		 1225 struct platform_device *pdev = container_of(codec->dev,
1226 struct platform_device, dev);
8ecbabd9
MLC		 1227 int ret = 0;
1228
9523fcdc 1229 priv = devm_kzalloc(codec->dev, sizeof(*priv), GFP_KERNEL);
8ecbabd9
MLC		 1230 if (priv == NULL)
1231 return -ENOMEM;
9523fcdc 1232
f0fba2ad 1233 snd_soc_codec_set_drvdata(codec, priv);
8ecbabd9 1234
a2d2362e 1235 priv->codec = codec;
fb34d3d5 1236 codec->control_data = dev_get_drvdata(codec->dev->parent);
a2d2362e 1237
2a433b9d
PU		 1238 priv->plug_irq = platform_get_irq(pdev, 0);
1239 if (priv->plug_irq < 0) {
1240 dev_err(codec->dev, "invalid irq\n");
9523fcdc 1241 return -EINVAL;
2a433b9d 1242 }
8ecbabd9 1243
46dd0b93 1244 INIT_DELAYED_WORK(&priv->hs_jack.work, twl6040_accessory_work);
a2d2362e
JEC		 1245
1246 mutex_init(&priv->mutex);
8ecbabd9 1247
f60596d6 1248 ret = request_threaded_irq(priv->plug_irq, NULL,
9523fcdc
PU		 1249 twl6040_audio_handler, IRQF_NO_SUSPEND,
1250 "twl6040_irq_plug", codec);
fb34d3d5
MLC		 1251 if (ret) {
1252 dev_err(codec->dev, "PLUG IRQ request failed: %d\n", ret);
da2107d1 1253 return ret;
fb34d3d5
MLC		 1254 }
1255
a52762ee 1256 twl6040_init_chip(codec);
fb34d3d5 1257
8ecbabd9 1258 /* power on device */
da2107d1 1259 return twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
8ecbabd9
MLC		 1260}
1261
f0fba2ad 1262static int twl6040_remove(struct snd_soc_codec *codec)
8ecbabd9 1263{
f60596d6
PU		 1264 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1265
1266 free_irq(priv->plug_irq, codec);
f0fba2ad 1267 twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
8ecbabd9 1268
f0fba2ad
LG		 1269 return 0;
1270}
8ecbabd9 1271
f0fba2ad
LG		 1272static struct snd_soc_codec_driver soc_codec_dev_twl6040 = {
1273 .probe = twl6040_probe,
1274 .remove = twl6040_remove,
1275 .suspend = twl6040_suspend,
1276 .resume = twl6040_resume,
1277 .read = twl6040_read_reg_cache,
1278 .write = twl6040_write,
1279 .set_bias_level = twl6040_set_bias_level,
1280 .reg_cache_size = ARRAY_SIZE(twl6040_reg),
1281 .reg_word_size = sizeof(u8),
1282 .reg_cache_default = twl6040_reg,
a5d3a21a 1283 .ignore_pmdown_time = true,
a175fce0
PU		 1284
1285 .controls = twl6040_snd_controls,
1286 .num_controls = ARRAY_SIZE(twl6040_snd_controls),
1287 .dapm_widgets = twl6040_dapm_widgets,
1288 .num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets),
1289 .dapm_routes = intercon,
1290 .num_dapm_routes = ARRAY_SIZE(intercon),
f0fba2ad
LG		 1291};
1292
7a79e94e 1293static int twl6040_codec_probe(struct platform_device *pdev)
f0fba2ad 1294{
6510bdc3
LG		 1295 return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_twl6040,
1296 twl6040_dai, ARRAY_SIZE(twl6040_dai));
f0fba2ad
LG		 1297}
1298
7a79e94e 1299static int twl6040_codec_remove(struct platform_device *pdev)
f0fba2ad
LG		 1300{
1301 snd_soc_unregister_codec(&pdev->dev);
8ecbabd9
MLC		 1302 return 0;
1303}
1304
1305static struct platform_driver twl6040_codec_driver = {
1306 .driver = {
f0fba2ad 1307 .name = "twl6040-codec",
8ecbabd9
MLC		 1308 .owner = THIS_MODULE,
1309 },
1310 .probe = twl6040_codec_probe,
7a79e94e 1311 .remove = twl6040_codec_remove,
8ecbabd9
MLC		 1312};
1313
5bbcc3c0 1314module_platform_driver(twl6040_codec_driver);
8ecbabd9
MLC		 1315
1316MODULE_DESCRIPTION("ASoC TWL6040 codec driver");
1317MODULE_AUTHOR("Misael Lopez Cruz");
1318MODULE_LICENSE("GPL");
Linux kernel - Deliverables
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