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ASoC: twl6040: Remove register restore functionality
[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
290c348e 57#define TWL6040_CACHEREGNUM (TWL6040_REG_STATUS + 1)
317596a6 58
a2d2362e
JEC		 59struct twl6040_jack_data {
60 struct snd_soc_jack *jack;
46dd0b93 61 struct delayed_work work;
a2d2362e
JEC		 62 int report;
63};
64
8ecbabd9
MLC		 65/* codec private data */
66struct twl6040_data {
2a433b9d 67 int plug_irq;
8ecbabd9
MLC		 68 int codec_powered;
69 int pll;
af958c72 70 int pll_power_mode;
6bba63b6
MLC		 71 int hs_power_mode;
72 int hs_power_mode_locked;
98c5fb1f
PU		 73 bool dl1_unmuted;
74 bool dl2_unmuted;
53509108 75 u8 dl12_cache[TWL6040_REG_HFRCTL - TWL6040_REG_HSLCTL + 1];
fb34d3d5 76 unsigned int clk_in;
8ecbabd9 77 unsigned int sysclk;
a2d2362e
JEC		 78 struct twl6040_jack_data hs_jack;
79 struct snd_soc_codec *codec;
a2d2362e 80 struct mutex mutex;
8ecbabd9
MLC		 81};
82
83/*
84 * twl6040 register cache & default register settings
85 */
86static const u8 twl6040_reg[TWL6040_CACHEREGNUM] = {
4548dc3c
PU		 87 0x00, /* not used 0x00 */
88 0x4B, /* REG_ASICID 0x01 (ro) */
89 0x00, /* REG_ASICREV 0x02 (ro) */
90 0x00, /* REG_INTID 0x03 */
91 0x00, /* REG_INTMR 0x04 */
92 0x00, /* REG_NCPCTRL 0x05 */
93 0x00, /* REG_LDOCTL 0x06 */
94 0x60, /* REG_HPPLLCTL 0x07 */
95 0x00, /* REG_LPPLLCTL 0x08 */
96 0x4A, /* REG_LPPLLDIV 0x09 */
97 0x00, /* REG_AMICBCTL 0x0A */
98 0x00, /* REG_DMICBCTL 0x0B */
99 0x00, /* REG_MICLCTL 0x0C */
100 0x00, /* REG_MICRCTL 0x0D */
101 0x00, /* REG_MICGAIN 0x0E */
102 0x1B, /* REG_LINEGAIN 0x0F */
103 0x00, /* REG_HSLCTL 0x10 */
104 0x00, /* REG_HSRCTL 0x11 */
105 0x00, /* REG_HSGAIN 0x12 */
106 0x00, /* REG_EARCTL 0x13 */
107 0x00, /* REG_HFLCTL 0x14 */
108 0x00, /* REG_HFLGAIN 0x15 */
109 0x00, /* REG_HFRCTL 0x16 */
110 0x00, /* REG_HFRGAIN 0x17 */
111 0x00, /* REG_VIBCTLL 0x18 */
112 0x00, /* REG_VIBDATL 0x19 */
113 0x00, /* REG_VIBCTLR 0x1A */
114 0x00, /* REG_VIBDATR 0x1B */
115 0x00, /* REG_HKCTL1 0x1C */
116 0x00, /* REG_HKCTL2 0x1D */
117 0x00, /* REG_GPOCTL 0x1E */
118 0x00, /* REG_ALB 0x1F */
119 0x00, /* REG_DLB 0x20 */
120 0x00, /* not used 0x21 */
121 0x00, /* not used 0x22 */
122 0x00, /* not used 0x23 */
123 0x00, /* not used 0x24 */
124 0x00, /* not used 0x25 */
125 0x00, /* not used 0x26 */
126 0x00, /* not used 0x27 */
127 0x00, /* REG_TRIM1 0x28 */
128 0x00, /* REG_TRIM2 0x29 */
129 0x00, /* REG_TRIM3 0x2A */
130 0x00, /* REG_HSOTRIM 0x2B */
131 0x00, /* REG_HFOTRIM 0x2C */
132 0x09, /* REG_ACCCTL 0x2D */
133 0x00, /* REG_STATUS 0x2E (ro) */
8ecbabd9
MLC		 134};
135
af958c72
PU		 136/* set of rates for each pll: low-power and high-performance */
137static unsigned int lp_rates[] = {
138 8000,
139 11250,
140 16000,
141 22500,
142 32000,
143 44100,
144 48000,
145 88200,
146 96000,
147};
148
af958c72
PU		 149static unsigned int hp_rates[] = {
150 8000,
151 16000,
152 32000,
153 48000,
154 96000,
155};
156
f53c346c
PU		 157static struct snd_pcm_hw_constraint_list sysclk_constraints[] = {
158 { .count = ARRAY_SIZE(lp_rates), .list = lp_rates, },
159 { .count = ARRAY_SIZE(hp_rates), .list = hp_rates, },
af958c72
PU		 160};
161
53509108
PU		 162static inline int twl6040_read_dl12_cache(struct snd_soc_codec *codec,
163 u8 reg, u8 *value)
164{
165 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
166 int ret = 0;
167
168 switch (reg) {
169 case TWL6040_REG_HSLCTL:
170 case TWL6040_REG_HSRCTL:
171 case TWL6040_REG_EARCTL:
172 case TWL6040_REG_HFLCTL:
173 case TWL6040_REG_HFRCTL:
174 *value = priv->dl12_cache[reg - TWL6040_REG_HSLCTL];
175 break;
176 default:
177 ret = -EINVAL;
178 break;
179 }
180
181 return ret;
182}
183
8ecbabd9
MLC		 184/*
185 * read twl6040 register cache
186 */
187static inline unsigned int twl6040_read_reg_cache(struct snd_soc_codec *codec,
53509108 188 unsigned int reg)
8ecbabd9
MLC		 189{
190 u8 *cache = codec->reg_cache;
53509108 191 u8 value;
8ecbabd9
MLC		 192
193 if (reg >= TWL6040_CACHEREGNUM)
194 return -EIO;
195
53509108
PU		 196 if (twl6040_read_dl12_cache(codec, reg, &value))
197 value = cache[reg];
198
199 return value;
200}
201
202static inline void twl6040_update_dl12_cache(struct snd_soc_codec *codec,
203 u8 reg, u8 value)
204{
205 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
206
207 switch (reg) {
208 case TWL6040_REG_HSLCTL:
209 case TWL6040_REG_HSRCTL:
210 case TWL6040_REG_EARCTL:
211 case TWL6040_REG_HFLCTL:
212 case TWL6040_REG_HFRCTL:
213 priv->dl12_cache[reg - TWL6040_REG_HSLCTL] = value;
214 break;
215 default:
216 break;
217 }
8ecbabd9
MLC		 218}
219
220/*
221 * write twl6040 register cache
222 */
223static inline void twl6040_write_reg_cache(struct snd_soc_codec *codec,
224 u8 reg, u8 value)
225{
226 u8 *cache = codec->reg_cache;
227
228 if (reg >= TWL6040_CACHEREGNUM)
229 return;
230 cache[reg] = value;
53509108
PU		 231
232 twl6040_update_dl12_cache(codec, reg, value);
8ecbabd9
MLC		 233}
234
235/*
236 * read from twl6040 hardware register
237 */
238static int twl6040_read_reg_volatile(struct snd_soc_codec *codec,
239 unsigned int reg)
240{
fb34d3d5 241 struct twl6040 *twl6040 = codec->control_data;
8ecbabd9
MLC		 242 u8 value;
243
244 if (reg >= TWL6040_CACHEREGNUM)
245 return -EIO;
246
290c348e
LPC		 247 value = twl6040_reg_read(twl6040, reg);
248 twl6040_write_reg_cache(codec, reg, value);
8ecbabd9
MLC		 249
250 return value;
251}
252
0d35d080
PU		 253static bool twl6040_can_write_to_chip(struct snd_soc_codec *codec,
254 unsigned int reg)
98c5fb1f
PU		 255{
256 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
257
258 switch (reg) {
259 case TWL6040_REG_HSLCTL:
260 case TWL6040_REG_HSRCTL:
261 case TWL6040_REG_EARCTL:
262 /* DL1 path */
263 return priv->dl1_unmuted;
264 case TWL6040_REG_HFLCTL:
265 case TWL6040_REG_HFRCTL:
266 return priv->dl2_unmuted;
267 default:
268 return 1;
bf551413 269 }
98c5fb1f
PU		 270}
271
8ecbabd9
MLC		 272/*
273 * write to the twl6040 register space
274 */
275static int twl6040_write(struct snd_soc_codec *codec,
276 unsigned int reg, unsigned int value)
277{
fb34d3d5
MLC		 278 struct twl6040 *twl6040 = codec->control_data;
279
8ecbabd9
MLC		 280 if (reg >= TWL6040_CACHEREGNUM)
281 return -EIO;
282
283 twl6040_write_reg_cache(codec, reg, value);
0d35d080 284 if (twl6040_can_write_to_chip(codec, reg))
d17bf318
PU		 285 return twl6040_reg_write(twl6040, reg, value);
286 else
287 return 0;
8ecbabd9
MLC		 288}
289
a52762ee 290static void twl6040_init_chip(struct snd_soc_codec *codec)
8ecbabd9 291{
a52762ee
PU		 292 struct twl6040 *twl6040 = codec->control_data;
293 u8 val;
294
f97217f1 295 /* Update reg_cache: ASICREV, and TRIM values */
a52762ee
PU		 296 val = twl6040_get_revid(twl6040);
297 twl6040_write_reg_cache(codec, TWL6040_REG_ASICREV, val);
8ecbabd9 298
f97217f1
PU		 299 twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM1);
300 twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM2);
301 twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM3);
302 twl6040_read_reg_volatile(codec, TWL6040_REG_HSOTRIM);
303 twl6040_read_reg_volatile(codec, TWL6040_REG_HFOTRIM);
304
2c27ff41
PU		 305 /* Change chip defaults */
306 /* No imput selected for microphone amplifiers */
307 twl6040_write_reg_cache(codec, TWL6040_REG_MICLCTL, 0x18);
308 twl6040_write_reg_cache(codec, TWL6040_REG_MICRCTL, 0x18);
3acef685
PU		 309
310 /*
311 * We need to lower the default gain values, so the ramp code
312 * can work correctly for the first playback.
313 * This reduces the pop noise heard at the first playback.
314 */
315 twl6040_write_reg_cache(codec, TWL6040_REG_HSGAIN, 0xff);
316 twl6040_write_reg_cache(codec, TWL6040_REG_EARCTL, 0x1e);
317 twl6040_write_reg_cache(codec, TWL6040_REG_HFLGAIN, 0x1d);
318 twl6040_write_reg_cache(codec, TWL6040_REG_HFRGAIN, 0x1d);
319 twl6040_write_reg_cache(codec, TWL6040_REG_LINEGAIN, 0);
8ecbabd9
MLC		 320}
321
8ecbabd9
MLC		 322/* set headset dac and driver power mode */
323static int headset_power_mode(struct snd_soc_codec *codec, int high_perf)
324{
325 int hslctl, hsrctl;
ab6cf139 326 int mask = TWL6040_HSDRVMODE | TWL6040_HSDACMODE;
8ecbabd9
MLC		 327
328 hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL);
329 hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL);
330
331 if (high_perf) {
332 hslctl &= ~mask;
333 hsrctl &= ~mask;
334 } else {
335 hslctl |= mask;
336 hsrctl |= mask;
337 }
338
339 twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl);
340 twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl);
341
342 return 0;
343}
344
0fad4ed7
JEC		 345static int twl6040_hs_dac_event(struct snd_soc_dapm_widget *w,
346 struct snd_kcontrol *kcontrol, int event)
347{
33b6816c
PU		 348 struct snd_soc_codec *codec = w->codec;
349 u8 hslctl, hsrctl;
350
351 /*
352 * Workaround for Headset DC offset caused pop noise:
353 * Both HS DAC need to be turned on (before the HS driver) and off at
354 * the same time.
355 */
356 hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL);
357 hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL);
358 if (SND_SOC_DAPM_EVENT_ON(event)) {
359 hslctl |= TWL6040_HSDACENA;
360 hsrctl |= TWL6040_HSDACENA;
361 } else {
362 hslctl &= ~TWL6040_HSDACENA;
363 hsrctl &= ~TWL6040_HSDACENA;
364 }
365 twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl);
366 twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl);
367
0fad4ed7
JEC		 368 msleep(1);
369 return 0;
370}
371
694b0001 372static int twl6040_ep_drv_event(struct snd_soc_dapm_widget *w,
8ecbabd9
MLC		 373 struct snd_kcontrol *kcontrol, int event)
374{
375 struct snd_soc_codec *codec = w->codec;
d4a8ca24 376 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
6bba63b6 377 int ret = 0;
8ecbabd9 378
6bba63b6 379 if (SND_SOC_DAPM_EVENT_ON(event)) {
fac2f3e4
PU		 380 /* Earphone doesn't support low power mode */
381 priv->hs_power_mode_locked = 1;
382 ret = headset_power_mode(codec, 1);
6bba63b6 383 } else {
fac2f3e4
PU		 384 priv->hs_power_mode_locked = 0;
385 ret = headset_power_mode(codec, priv->hs_power_mode);
6bba63b6 386 }
8ecbabd9 387
0fad4ed7
JEC		 388 msleep(1);
389
6bba63b6 390 return ret;
8ecbabd9
MLC		 391}
392
64ed9836
MB		 393static void twl6040_hs_jack_report(struct snd_soc_codec *codec,
394 struct snd_soc_jack *jack, int report)
a2d2362e
JEC		 395{
396 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
397 int status;
398
399 mutex_lock(&priv->mutex);
400
401 /* Sync status */
402 status = twl6040_read_reg_volatile(codec, TWL6040_REG_STATUS);
403 if (status & TWL6040_PLUGCOMP)
404 snd_soc_jack_report(jack, report, report);
405 else
406 snd_soc_jack_report(jack, 0, report);
407
408 mutex_unlock(&priv->mutex);
409}
410
411void twl6040_hs_jack_detect(struct snd_soc_codec *codec,
412 struct snd_soc_jack *jack, int report)
413{
414 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
415 struct twl6040_jack_data *hs_jack = &priv->hs_jack;
416
417 hs_jack->jack = jack;
418 hs_jack->report = report;
419
420 twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
421}
422EXPORT_SYMBOL_GPL(twl6040_hs_jack_detect);
423
424static void twl6040_accessory_work(struct work_struct *work)
425{
426 struct twl6040_data *priv = container_of(work,
46dd0b93 427 struct twl6040_data, hs_jack.work.work);
a2d2362e
JEC		 428 struct snd_soc_codec *codec = priv->codec;
429 struct twl6040_jack_data *hs_jack = &priv->hs_jack;
430
431 twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
432}
433
8ecbabd9 434/* audio interrupt handler */
fb34d3d5 435static irqreturn_t twl6040_audio_handler(int irq, void *data)
8ecbabd9
MLC		 436{
437 struct snd_soc_codec *codec = data;
d4a8ca24 438 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
cf370a5a 439
a06e427d
MB		 440 queue_delayed_work(system_power_efficient_wq,
441 &priv->hs_jack.work, msecs_to_jiffies(200));
cf370a5a 442
8ecbabd9
MLC		 443 return IRQ_HANDLED;
444}
445
67c34130
PU		 446static int twl6040_soc_dapm_put_vibra_enum(struct snd_kcontrol *kcontrol,
447 struct snd_ctl_elem_value *ucontrol)
448{
eee5d7f9 449 struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
67c34130
PU		 450 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
451 unsigned int val;
452
453 /* Do not allow changes while Input/FF efect is running */
454 val = twl6040_read_reg_volatile(codec, e->reg);
455 if (val & TWL6040_VIBENA && !(val & TWL6040_VIBSEL))
456 return -EBUSY;
457
458 return snd_soc_dapm_put_enum_double(kcontrol, ucontrol);
459}
460
8ecbabd9
MLC		 461/*
462 * MICATT volume control:
463 * from -6 to 0 dB in 6 dB steps
464 */
465static DECLARE_TLV_DB_SCALE(mic_preamp_tlv, -600, 600, 0);
466
467/*
468 * MICGAIN volume control:
2763f45d 469 * from 6 to 30 dB in 6 dB steps
8ecbabd9 470 */
2763f45d 471static DECLARE_TLV_DB_SCALE(mic_amp_tlv, 600, 600, 0);
8ecbabd9 472
370a0314
JEC		 473/*
474 * AFMGAIN volume control:
1f71a3ba 475 * from -18 to 24 dB in 6 dB steps
370a0314 476 */
1f71a3ba 477static DECLARE_TLV_DB_SCALE(afm_amp_tlv, -1800, 600, 0);
370a0314 478
8ecbabd9
MLC		 479/*
480 * HSGAIN volume control:
481 * from -30 to 0 dB in 2 dB steps
482 */
483static DECLARE_TLV_DB_SCALE(hs_tlv, -3000, 200, 0);
484
485/*
486 * HFGAIN volume control:
487 * from -52 to 6 dB in 2 dB steps
488 */
489static DECLARE_TLV_DB_SCALE(hf_tlv, -5200, 200, 0);
490
871a05a7
JEC		 491/*
492 * EPGAIN volume control:
493 * from -24 to 6 dB in 2 dB steps
494 */
495static DECLARE_TLV_DB_SCALE(ep_tlv, -2400, 200, 0);
496
8ecbabd9
MLC		 497/* Left analog microphone selection */
498static const char *twl6040_amicl_texts[] =
499 {"Headset Mic", "Main Mic", "Aux/FM Left", "Off"};
500
501/* Right analog microphone selection */
502static const char *twl6040_amicr_texts[] =
503 {"Headset Mic", "Sub Mic", "Aux/FM Right", "Off"};
504
505static const struct soc_enum twl6040_enum[] = {
cb973d78
FM		 506 SOC_ENUM_SINGLE(TWL6040_REG_MICLCTL, 3, 4, twl6040_amicl_texts),
507 SOC_ENUM_SINGLE(TWL6040_REG_MICRCTL, 3, 4, twl6040_amicr_texts),
8ecbabd9
MLC		 508};
509
370a0314
JEC		 510static const char *twl6040_hs_texts[] = {
511 "Off", "HS DAC", "Line-In amp"
512};
513
514static const struct soc_enum twl6040_hs_enum[] = {
515 SOC_ENUM_SINGLE(TWL6040_REG_HSLCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
516 twl6040_hs_texts),
517 SOC_ENUM_SINGLE(TWL6040_REG_HSRCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
518 twl6040_hs_texts),
519};
520
521static const char *twl6040_hf_texts[] = {
522 "Off", "HF DAC", "Line-In amp"
523};
524
525static const struct soc_enum twl6040_hf_enum[] = {
526 SOC_ENUM_SINGLE(TWL6040_REG_HFLCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
527 twl6040_hf_texts),
528 SOC_ENUM_SINGLE(TWL6040_REG_HFRCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
529 twl6040_hf_texts),
530};
531
67c34130
PU		 532static const char *twl6040_vibrapath_texts[] = {
533 "Input FF", "Audio PDM"
534};
535
536static const struct soc_enum twl6040_vibra_enum[] = {
537 SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLL, 1,
538 ARRAY_SIZE(twl6040_vibrapath_texts),
539 twl6040_vibrapath_texts),
540 SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLR, 1,
541 ARRAY_SIZE(twl6040_vibrapath_texts),
542 twl6040_vibrapath_texts),
543};
544
8ecbabd9
MLC		 545static const struct snd_kcontrol_new amicl_control =
546 SOC_DAPM_ENUM("Route", twl6040_enum[0]);
547
548static const struct snd_kcontrol_new amicr_control =
549 SOC_DAPM_ENUM("Route", twl6040_enum[1]);
550
551/* Headset DAC playback switches */
370a0314
JEC		 552static const struct snd_kcontrol_new hsl_mux_controls =
553 SOC_DAPM_ENUM("Route", twl6040_hs_enum[0]);
8ecbabd9 554
370a0314
JEC		 555static const struct snd_kcontrol_new hsr_mux_controls =
556 SOC_DAPM_ENUM("Route", twl6040_hs_enum[1]);
8ecbabd9
MLC		 557
558/* Handsfree DAC playback switches */
370a0314
JEC		 559static const struct snd_kcontrol_new hfl_mux_controls =
560 SOC_DAPM_ENUM("Route", twl6040_hf_enum[0]);
8ecbabd9 561
370a0314
JEC		 562static const struct snd_kcontrol_new hfr_mux_controls =
563 SOC_DAPM_ENUM("Route", twl6040_hf_enum[1]);
8ecbabd9 564
317596a6 565static const struct snd_kcontrol_new ep_path_enable_control =
290c348e 566 SOC_DAPM_SINGLE_VIRT("Switch", 1);
871a05a7 567
fdb625ff
PU		 568static const struct snd_kcontrol_new auxl_switch_control =
569 SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFLCTL, 6, 1, 0);
570
571static const struct snd_kcontrol_new auxr_switch_control =
572 SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFRCTL, 6, 1, 0);
573
67c34130
PU		 574/* Vibra playback switches */
575static const struct snd_kcontrol_new vibral_mux_controls =
576 SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[0],
577 snd_soc_dapm_get_enum_double,
578 twl6040_soc_dapm_put_vibra_enum);
579
580static const struct snd_kcontrol_new vibrar_mux_controls =
581 SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[1],
582 snd_soc_dapm_get_enum_double,
583 twl6040_soc_dapm_put_vibra_enum);
584
6bba63b6 585/* Headset power mode */
7cca6067 586static const char *twl6040_power_mode_texts[] = {
3e453654 587 "Low-Power", "High-Performance",
6bba63b6
MLC		 588};
589
7cca6067
PU		 590static const struct soc_enum twl6040_power_mode_enum =
591 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(twl6040_power_mode_texts),
592 twl6040_power_mode_texts);
6bba63b6
MLC		 593
594static int twl6040_headset_power_get_enum(struct snd_kcontrol *kcontrol,
595 struct snd_ctl_elem_value *ucontrol)
596{
597 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
598 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
599
600 ucontrol->value.enumerated.item[0] = priv->hs_power_mode;
601
602 return 0;
603}
604
605static int twl6040_headset_power_put_enum(struct snd_kcontrol *kcontrol,
606 struct snd_ctl_elem_value *ucontrol)
607{
608 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
609 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
610 int high_perf = ucontrol->value.enumerated.item[0];
611 int ret = 0;
612
613 if (!priv->hs_power_mode_locked)
614 ret = headset_power_mode(codec, high_perf);
615
616 if (!ret)
617 priv->hs_power_mode = high_perf;
618
619 return ret;
620}
621
af958c72
PU		 622static int twl6040_pll_get_enum(struct snd_kcontrol *kcontrol,
623 struct snd_ctl_elem_value *ucontrol)
624{
625 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
626 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
627
628 ucontrol->value.enumerated.item[0] = priv->pll_power_mode;
629
630 return 0;
631}
632
633static int twl6040_pll_put_enum(struct snd_kcontrol *kcontrol,
634 struct snd_ctl_elem_value *ucontrol)
635{
636 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
637 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
638
639 priv->pll_power_mode = ucontrol->value.enumerated.item[0];
af958c72
PU		 640
641 return 0;
642}
643
e48b46ba
LG		 644int twl6040_get_dl1_gain(struct snd_soc_codec *codec)
645{
646 struct snd_soc_dapm_context *dapm = &codec->dapm;
647
648 if (snd_soc_dapm_get_pin_status(dapm, "EP"))
649 return -1; /* -1dB */
650
651 if (snd_soc_dapm_get_pin_status(dapm, "HSOR") ||
652 snd_soc_dapm_get_pin_status(dapm, "HSOL")) {
653
654 u8 val = snd_soc_read(codec, TWL6040_REG_HSLCTL);
655 if (val & TWL6040_HSDACMODE)
656 /* HSDACL in LP mode */
657 return -8; /* -8dB */
658 else
659 /* HSDACL in HP mode */
660 return -1; /* -1dB */
661 }
662 return 0; /* 0dB */
663}
664EXPORT_SYMBOL_GPL(twl6040_get_dl1_gain);
665
af958c72
PU		 666int twl6040_get_clk_id(struct snd_soc_codec *codec)
667{
668 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
669
ff593ca1 670 return priv->pll_power_mode;
af958c72
PU		 671}
672EXPORT_SYMBOL_GPL(twl6040_get_clk_id);
673
db4aabcc
PU		 674int twl6040_get_trim_value(struct snd_soc_codec *codec, enum twl6040_trim trim)
675{
676 if (unlikely(trim >= TWL6040_TRIM_INVAL))
677 return -EINVAL;
678
679 return twl6040_read_reg_cache(codec, TWL6040_REG_TRIM1 + trim);
680}
681EXPORT_SYMBOL_GPL(twl6040_get_trim_value);
682
08656910
LG		 683int twl6040_get_hs_step_size(struct snd_soc_codec *codec)
684{
685 struct twl6040 *twl6040 = codec->control_data;
686
be4ac00a 687 if (twl6040_get_revid(twl6040) < TWL6040_REV_ES1_3)
08656910
LG		 688 /* For ES under ES_1.3 HS step is 2 mV */
689 return 2;
690 else
691 /* For ES_1.3 HS step is 1 mV */
692 return 1;
693}
694EXPORT_SYMBOL_GPL(twl6040_get_hs_step_size);
695
8ecbabd9
MLC		 696static const struct snd_kcontrol_new twl6040_snd_controls[] = {
697 /* Capture gains */
698 SOC_DOUBLE_TLV("Capture Preamplifier Volume",
699 TWL6040_REG_MICGAIN, 6, 7, 1, 1, mic_preamp_tlv),
700 SOC_DOUBLE_TLV("Capture Volume",
701 TWL6040_REG_MICGAIN, 0, 3, 4, 0, mic_amp_tlv),
702
370a0314
JEC		 703 /* AFM gains */
704 SOC_DOUBLE_TLV("Aux FM Volume",
1f71a3ba 705 TWL6040_REG_LINEGAIN, 0, 3, 7, 0, afm_amp_tlv),
370a0314 706
8ecbabd9 707 /* Playback gains */
3bb8a819
PU		 708 SOC_DOUBLE_TLV("Headset Playback Volume",
709 TWL6040_REG_HSGAIN, 0, 4, 0xF, 1, hs_tlv),
710 SOC_DOUBLE_R_TLV("Handsfree Playback Volume",
711 TWL6040_REG_HFLGAIN, TWL6040_REG_HFRGAIN, 0, 0x1D, 1, hf_tlv),
871a05a7
JEC		 712 SOC_SINGLE_TLV("Earphone Playback Volume",
713 TWL6040_REG_EARCTL, 1, 0xF, 1, ep_tlv),
6bba63b6 714
7cca6067 715 SOC_ENUM_EXT("Headset Power Mode", twl6040_power_mode_enum,
6bba63b6
MLC		 716 twl6040_headset_power_get_enum,
717 twl6040_headset_power_put_enum),
af958c72
PU		 718
719 SOC_ENUM_EXT("PLL Selection", twl6040_power_mode_enum,
720 twl6040_pll_get_enum, twl6040_pll_put_enum),
8ecbabd9
MLC		 721};
722
723static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
724 /* Inputs */
725 SND_SOC_DAPM_INPUT("MAINMIC"),
726 SND_SOC_DAPM_INPUT("HSMIC"),
727 SND_SOC_DAPM_INPUT("SUBMIC"),
728 SND_SOC_DAPM_INPUT("AFML"),
729 SND_SOC_DAPM_INPUT("AFMR"),
730
731 /* Outputs */
732 SND_SOC_DAPM_OUTPUT("HSOL"),
733 SND_SOC_DAPM_OUTPUT("HSOR"),
734 SND_SOC_DAPM_OUTPUT("HFL"),
735 SND_SOC_DAPM_OUTPUT("HFR"),
871a05a7 736 SND_SOC_DAPM_OUTPUT("EP"),
fdb625ff
PU		 737 SND_SOC_DAPM_OUTPUT("AUXL"),
738 SND_SOC_DAPM_OUTPUT("AUXR"),
67c34130
PU		 739 SND_SOC_DAPM_OUTPUT("VIBRAL"),
740 SND_SOC_DAPM_OUTPUT("VIBRAR"),
8ecbabd9
MLC		 741
742 /* Analog input muxes for the capture amplifiers */
743 SND_SOC_DAPM_MUX("Analog Left Capture Route",
744 SND_SOC_NOPM, 0, 0, &amicl_control),
745 SND_SOC_DAPM_MUX("Analog Right Capture Route",
746 SND_SOC_NOPM, 0, 0, &amicr_control),
747
748 /* Analog capture PGAs */
749 SND_SOC_DAPM_PGA("MicAmpL",
750 TWL6040_REG_MICLCTL, 0, 0, NULL, 0),
751 SND_SOC_DAPM_PGA("MicAmpR",
752 TWL6040_REG_MICRCTL, 0, 0, NULL, 0),
753
370a0314
JEC		 754 /* Auxiliary FM PGAs */
755 SND_SOC_DAPM_PGA("AFMAmpL",
756 TWL6040_REG_MICLCTL, 1, 0, NULL, 0),
757 SND_SOC_DAPM_PGA("AFMAmpR",
758 TWL6040_REG_MICRCTL, 1, 0, NULL, 0),
759
8ecbabd9 760 /* ADCs */
805238b1
PU		 761 SND_SOC_DAPM_ADC("ADC Left", NULL, TWL6040_REG_MICLCTL, 2, 0),
762 SND_SOC_DAPM_ADC("ADC Right", NULL, TWL6040_REG_MICRCTL, 2, 0),
8ecbabd9
MLC		 763
764 /* Microphone bias */
778cee7a
PU		 765 SND_SOC_DAPM_SUPPLY("Headset Mic Bias",
766 TWL6040_REG_AMICBCTL, 0, 0, NULL, 0),
767 SND_SOC_DAPM_SUPPLY("Main Mic Bias",
768 TWL6040_REG_AMICBCTL, 4, 0, NULL, 0),
769 SND_SOC_DAPM_SUPPLY("Digital Mic1 Bias",
770 TWL6040_REG_DMICBCTL, 0, 0, NULL, 0),
771 SND_SOC_DAPM_SUPPLY("Digital Mic2 Bias",
772 TWL6040_REG_DMICBCTL, 4, 0, NULL, 0),
8ecbabd9
MLC		 773
774 /* DACs */
805238b1
PU		 775 SND_SOC_DAPM_DAC("HSDAC Left", NULL, SND_SOC_NOPM, 0, 0),
776 SND_SOC_DAPM_DAC("HSDAC Right", NULL, SND_SOC_NOPM, 0, 0),
777 SND_SOC_DAPM_DAC("HFDAC Left", NULL, TWL6040_REG_HFLCTL, 0, 0),
778 SND_SOC_DAPM_DAC("HFDAC Right", NULL, TWL6040_REG_HFRCTL, 0, 0),
67c34130 779 /* Virtual DAC for vibra path (DL4 channel) */
805238b1 780 SND_SOC_DAPM_DAC("VIBRA DAC", NULL, SND_SOC_NOPM, 0, 0),
8ecbabd9 781
df11ce29 782 SND_SOC_DAPM_MUX("Handsfree Left Playback",
370a0314 783 SND_SOC_NOPM, 0, 0, &hfl_mux_controls),
df11ce29 784 SND_SOC_DAPM_MUX("Handsfree Right Playback",
370a0314
JEC		 785 SND_SOC_NOPM, 0, 0, &hfr_mux_controls),
786 /* Analog playback Muxes */
45b0f60d 787 SND_SOC_DAPM_MUX("Headset Left Playback",
370a0314 788 SND_SOC_NOPM, 0, 0, &hsl_mux_controls),
45b0f60d 789 SND_SOC_DAPM_MUX("Headset Right Playback",
370a0314 790 SND_SOC_NOPM, 0, 0, &hsr_mux_controls),
8ecbabd9 791
67c34130
PU		 792 SND_SOC_DAPM_MUX("Vibra Left Playback", SND_SOC_NOPM, 0, 0,
793 &vibral_mux_controls),
794 SND_SOC_DAPM_MUX("Vibra Right Playback", SND_SOC_NOPM, 0, 0,
795 &vibrar_mux_controls),
796
317596a6
PU		 797 SND_SOC_DAPM_SWITCH("Earphone Playback", SND_SOC_NOPM, 0, 0,
798 &ep_path_enable_control),
fdb625ff
PU		 799 SND_SOC_DAPM_SWITCH("AUXL Playback", SND_SOC_NOPM, 0, 0,
800 &auxl_switch_control),
801 SND_SOC_DAPM_SWITCH("AUXR Playback", SND_SOC_NOPM, 0, 0,
802 &auxr_switch_control),
317596a6 803
0fad4ed7 804 /* Analog playback drivers */
3bb8a819
PU		 805 SND_SOC_DAPM_OUT_DRV("HF Left Driver",
806 TWL6040_REG_HFLCTL, 4, 0, NULL, 0),
807 SND_SOC_DAPM_OUT_DRV("HF Right Driver",
808 TWL6040_REG_HFRCTL, 4, 0, NULL, 0),
809 SND_SOC_DAPM_OUT_DRV("HS Left Driver",
810 TWL6040_REG_HSLCTL, 2, 0, NULL, 0),
811 SND_SOC_DAPM_OUT_DRV("HS Right Driver",
812 TWL6040_REG_HSRCTL, 2, 0, NULL, 0),
317596a6
PU		 813 SND_SOC_DAPM_OUT_DRV_E("Earphone Driver",
814 TWL6040_REG_EARCTL, 0, 0, NULL, 0,
694b0001 815 twl6040_ep_drv_event,
aa1a4108 816 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
67c34130
PU		 817 SND_SOC_DAPM_OUT_DRV("Vibra Left Driver",
818 TWL6040_REG_VIBCTLL, 0, 0, NULL, 0),
819 SND_SOC_DAPM_OUT_DRV("Vibra Right Driver",
820 TWL6040_REG_VIBCTLR, 0, 0, NULL, 0),
821
822 SND_SOC_DAPM_SUPPLY("Vibra Left Control", TWL6040_REG_VIBCTLL, 2, 0,
823 NULL, 0),
824 SND_SOC_DAPM_SUPPLY("Vibra Right Control", TWL6040_REG_VIBCTLR, 2, 0,
825 NULL, 0),
33b6816c
PU		 826 SND_SOC_DAPM_SUPPLY_S("HSDAC Power", 1, SND_SOC_NOPM, 0, 0,
827 twl6040_hs_dac_event,
828 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
8ecbabd9
MLC		 829
830 /* Analog playback PGAs */
df11ce29 831 SND_SOC_DAPM_PGA("HF Left PGA",
8ecbabd9 832 TWL6040_REG_HFLCTL, 1, 0, NULL, 0),
df11ce29 833 SND_SOC_DAPM_PGA("HF Right PGA",
8ecbabd9
MLC		 834 TWL6040_REG_HFRCTL, 1, 0, NULL, 0),
835
836};
837
838static const struct snd_soc_dapm_route intercon[] = {
805238b1
PU		 839 /* Stream -> DAC mapping */
840 {"HSDAC Left", NULL, "Legacy Playback"},
841 {"HSDAC Left", NULL, "Headset Playback"},
842 {"HSDAC Right", NULL, "Legacy Playback"},
843 {"HSDAC Right", NULL, "Headset Playback"},
844
845 {"HFDAC Left", NULL, "Legacy Playback"},
846 {"HFDAC Left", NULL, "Handsfree Playback"},
847 {"HFDAC Right", NULL, "Legacy Playback"},
848 {"HFDAC Right", NULL, "Handsfree Playback"},
849
850 {"VIBRA DAC", NULL, "Legacy Playback"},
851 {"VIBRA DAC", NULL, "Vibra Playback"},
852
853 /* ADC -> Stream mapping */
07ac2296
PU		 854 {"Legacy Capture" , NULL, "ADC Left"},
855 {"Capture", NULL, "ADC Left"},
856 {"Legacy Capture", NULL, "ADC Right"},
857 {"Capture" , NULL, "ADC Right"},
805238b1 858
8ecbabd9
MLC		 859 /* Capture path */
860 {"Analog Left Capture Route", "Headset Mic", "HSMIC"},
861 {"Analog Left Capture Route", "Main Mic", "MAINMIC"},
862 {"Analog Left Capture Route", "Aux/FM Left", "AFML"},
863
864 {"Analog Right Capture Route", "Headset Mic", "HSMIC"},
865 {"Analog Right Capture Route", "Sub Mic", "SUBMIC"},
866 {"Analog Right Capture Route", "Aux/FM Right", "AFMR"},
867
868 {"MicAmpL", NULL, "Analog Left Capture Route"},
869 {"MicAmpR", NULL, "Analog Right Capture Route"},
870
871 {"ADC Left", NULL, "MicAmpL"},
872 {"ADC Right", NULL, "MicAmpR"},
873
370a0314 874 /* AFM path */
5bf692d9
PU		 875 {"AFMAmpL", NULL, "AFML"},
876 {"AFMAmpR", NULL, "AFMR"},
370a0314 877
33b6816c
PU		 878 {"HSDAC Left", NULL, "HSDAC Power"},
879 {"HSDAC Right", NULL, "HSDAC Power"},
880
45b0f60d
PU		 881 {"Headset Left Playback", "HS DAC", "HSDAC Left"},
882 {"Headset Left Playback", "Line-In amp", "AFMAmpL"},
8ecbabd9 883
45b0f60d
PU		 884 {"Headset Right Playback", "HS DAC", "HSDAC Right"},
885 {"Headset Right Playback", "Line-In amp", "AFMAmpR"},
370a0314 886
45b0f60d
PU		 887 {"HS Left Driver", NULL, "Headset Left Playback"},
888 {"HS Right Driver", NULL, "Headset Right Playback"},
8ecbabd9 889
45b0f60d
PU		 890 {"HSOL", NULL, "HS Left Driver"},
891 {"HSOR", NULL, "HS Right Driver"},
8ecbabd9 892
871a05a7 893 /* Earphone playback path */
317596a6
PU		 894 {"Earphone Playback", "Switch", "HSDAC Left"},
895 {"Earphone Driver", NULL, "Earphone Playback"},
871a05a7
JEC		 896 {"EP", NULL, "Earphone Driver"},
897
df11ce29
PU		 898 {"Handsfree Left Playback", "HF DAC", "HFDAC Left"},
899 {"Handsfree Left Playback", "Line-In amp", "AFMAmpL"},
370a0314 900
df11ce29
PU		 901 {"Handsfree Right Playback", "HF DAC", "HFDAC Right"},
902 {"Handsfree Right Playback", "Line-In amp", "AFMAmpR"},
8ecbabd9 903
df11ce29
PU		 904 {"HF Left PGA", NULL, "Handsfree Left Playback"},
905 {"HF Right PGA", NULL, "Handsfree Right Playback"},
8ecbabd9 906
df11ce29
PU		 907 {"HF Left Driver", NULL, "HF Left PGA"},
908 {"HF Right Driver", NULL, "HF Right PGA"},
8ecbabd9 909
df11ce29
PU		 910 {"HFL", NULL, "HF Left Driver"},
911 {"HFR", NULL, "HF Right Driver"},
fdb625ff
PU		 912
913 {"AUXL Playback", "Switch", "HF Left PGA"},
914 {"AUXR Playback", "Switch", "HF Right PGA"},
915
916 {"AUXL", NULL, "AUXL Playback"},
917 {"AUXR", NULL, "AUXR Playback"},
67c34130
PU		 918
919 /* Vibrator paths */
920 {"Vibra Left Playback", "Audio PDM", "VIBRA DAC"},
921 {"Vibra Right Playback", "Audio PDM", "VIBRA DAC"},
922
923 {"Vibra Left Driver", NULL, "Vibra Left Playback"},
924 {"Vibra Right Driver", NULL, "Vibra Right Playback"},
925 {"Vibra Left Driver", NULL, "Vibra Left Control"},
926 {"Vibra Right Driver", NULL, "Vibra Right Control"},
927
928 {"VIBRAL", NULL, "Vibra Left Driver"},
929 {"VIBRAR", NULL, "Vibra Right Driver"},
8ecbabd9
MLC		 930};
931
8ecbabd9
MLC		 932static int twl6040_set_bias_level(struct snd_soc_codec *codec,
933 enum snd_soc_bias_level level)
934{
fb34d3d5 935 struct twl6040 *twl6040 = codec->control_data;
d4a8ca24 936 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
8ecbabd9
MLC		 937 int ret;
938
939 switch (level) {
940 case SND_SOC_BIAS_ON:
941 break;
942 case SND_SOC_BIAS_PREPARE:
943 break;
944 case SND_SOC_BIAS_STANDBY:
945 if (priv->codec_powered)
946 break;
947
fb34d3d5
MLC		 948 ret = twl6040_power(twl6040, 1);
949 if (ret)
950 return ret;
8ecbabd9 951
fb34d3d5 952 priv->codec_powered = 1;
8ecbabd9 953
65b7cecc
OM		 954 /* Set external boost GPO */
955 twl6040_write(codec, TWL6040_REG_GPOCTL, 0x02);
8ecbabd9
MLC		 956 break;
957 case SND_SOC_BIAS_OFF:
958 if (!priv->codec_powered)
959 break;
960
fb34d3d5 961 twl6040_power(twl6040, 0);
8ecbabd9
MLC		 962 priv->codec_powered = 0;
963 break;
964 }
965
ce6120cc 966 codec->dapm.bias_level = level;
8ecbabd9
MLC		 967
968 return 0;
969}
970
8ecbabd9
MLC		 971static int twl6040_startup(struct snd_pcm_substream *substream,
972 struct snd_soc_dai *dai)
973{
e6968a17 974 struct snd_soc_codec *codec = dai->codec;
d4a8ca24 975 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
8ecbabd9 976
8ecbabd9
MLC		 977 snd_pcm_hw_constraint_list(substream->runtime, 0,
978 SNDRV_PCM_HW_PARAM_RATE,
f53c346c 979 &sysclk_constraints[priv->pll_power_mode]);
8ecbabd9
MLC		 980
981 return 0;
982}
983
984static int twl6040_hw_params(struct snd_pcm_substream *substream,
985 struct snd_pcm_hw_params *params,
986 struct snd_soc_dai *dai)
987{
e6968a17 988 struct snd_soc_codec *codec = dai->codec;
d4a8ca24 989 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
8ecbabd9
MLC		 990 int rate;
991
8ecbabd9
MLC		 992 rate = params_rate(params);
993 switch (rate) {
60ea4cec
OM		 994 case 11250:
995 case 22500:
996 case 44100:
8ecbabd9 997 case 88200:
753621c2
PU		 998 /* These rates are not supported when HPPLL is in use */
999 if (unlikely(priv->pll == TWL6040_SYSCLK_SEL_HPPLL)) {
1000 dev_err(codec->dev, "HPPLL does not support rate %d\n",
1001 rate);
1002 return -EINVAL;
1003 }
8ecbabd9
MLC		 1004 priv->sysclk = 17640000;
1005 break;
60ea4cec
OM		 1006 case 8000:
1007 case 16000:
1008 case 32000:
1009 case 48000:
8ecbabd9 1010 case 96000:
8ecbabd9
MLC		 1011 priv->sysclk = 19200000;
1012 break;
1013 default:
1014 dev_err(codec->dev, "unsupported rate %d\n", rate);
1015 return -EINVAL;
1016 }
1017
8ecbabd9
MLC		 1018 return 0;
1019}
1020
4e624d06
OM		 1021static int twl6040_prepare(struct snd_pcm_substream *substream,
1022 struct snd_soc_dai *dai)
8ecbabd9 1023{
e6968a17 1024 struct snd_soc_codec *codec = dai->codec;
753621c2 1025 struct twl6040 *twl6040 = codec->control_data;
d4a8ca24 1026 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
753621c2 1027 int ret;
8ecbabd9 1028
4e624d06
OM		 1029 if (!priv->sysclk) {
1030 dev_err(codec->dev,
1031 "no mclk configured, call set_sysclk() on init\n");
1032 return -EINVAL;
1033 }
1034
753621c2
PU		 1035 ret = twl6040_set_pll(twl6040, priv->pll, priv->clk_in, priv->sysclk);
1036 if (ret) {
1037 dev_err(codec->dev, "Can not set PLL (%d)\n", ret);
1038 return -EPERM;
1039 }
1040
8ecbabd9
MLC		 1041 return 0;
1042}
1043
1044static int twl6040_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1045 int clk_id, unsigned int freq, int dir)
1046{
1047 struct snd_soc_codec *codec = codec_dai->codec;
d4a8ca24 1048 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
8ecbabd9
MLC		 1049
1050 switch (clk_id) {
1051 case TWL6040_SYSCLK_SEL_LPPLL:
8ecbabd9 1052 case TWL6040_SYSCLK_SEL_HPPLL:
753621c2
PU		 1053 priv->pll = clk_id;
1054 priv->clk_in = freq;
8ecbabd9
MLC		 1055 break;
1056 default:
1057 dev_err(codec->dev, "unknown clk_id %d\n", clk_id);
1058 return -EINVAL;
1059 }
1060
1061 return 0;
1062}
1063
98c5fb1f
PU		 1064static void twl6040_mute_path(struct snd_soc_codec *codec, enum twl6040_dai_id id,
1065 int mute)
1066{
1067 struct twl6040 *twl6040 = codec->control_data;
1068 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1069 int hslctl, hsrctl, earctl;
1070 int hflctl, hfrctl;
1071
1072 switch (id) {
1073 case TWL6040_DAI_DL1:
1074 hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL);
1075 hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL);
1076 earctl = twl6040_read_reg_cache(codec, TWL6040_REG_EARCTL);
1077
1078 if (mute) {
1079 /* Power down drivers and DACs */
1080 earctl &= ~0x01;
1081 hslctl &= ~(TWL6040_HSDRVENA | TWL6040_HSDACENA);
1082 hsrctl &= ~(TWL6040_HSDRVENA | TWL6040_HSDACENA);
1083
1084 }
1085
1086 twl6040_reg_write(twl6040, TWL6040_REG_EARCTL, earctl);
1087 twl6040_reg_write(twl6040, TWL6040_REG_HSLCTL, hslctl);
1088 twl6040_reg_write(twl6040, TWL6040_REG_HSRCTL, hsrctl);
1089 priv->dl1_unmuted = !mute;
1090 break;
1091 case TWL6040_DAI_DL2:
1092 hflctl = twl6040_read_reg_cache(codec, TWL6040_REG_HFLCTL);
1093 hfrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HFRCTL);
1094
1095 if (mute) {
1096 /* Power down drivers and DACs */
1097 hflctl &= ~(TWL6040_HFDACENA | TWL6040_HFPGAENA |
1098 TWL6040_HFDRVENA);
1099 hfrctl &= ~(TWL6040_HFDACENA | TWL6040_HFPGAENA |
1100 TWL6040_HFDRVENA);
1101 }
1102
1103 twl6040_reg_write(twl6040, TWL6040_REG_HFLCTL, hflctl);
1104 twl6040_reg_write(twl6040, TWL6040_REG_HFRCTL, hfrctl);
1105 priv->dl2_unmuted = !mute;
1106 break;
1107 default:
1108 break;
bf551413 1109 }
98c5fb1f
PU		 1110}
1111
1112static int twl6040_digital_mute(struct snd_soc_dai *dai, int mute)
1113{
1114 switch (dai->id) {
1115 case TWL6040_DAI_LEGACY:
1116 twl6040_mute_path(dai->codec, TWL6040_DAI_DL1, mute);
1117 twl6040_mute_path(dai->codec, TWL6040_DAI_DL2, mute);
1118 break;
1119 case TWL6040_DAI_DL1:
1120 case TWL6040_DAI_DL2:
1121 twl6040_mute_path(dai->codec, dai->id, mute);
1122 break;
1123 default:
1124 break;
1125 }
1126
1127 return 0;
1128}
1129
85e7652d 1130static const struct snd_soc_dai_ops twl6040_dai_ops = {
8ecbabd9
MLC		 1131 .startup = twl6040_startup,
1132 .hw_params = twl6040_hw_params,
4e624d06 1133 .prepare = twl6040_prepare,
8ecbabd9 1134 .set_sysclk = twl6040_set_dai_sysclk,
98c5fb1f 1135 .digital_mute = twl6040_digital_mute,
8ecbabd9
MLC		 1136};
1137
6510bdc3 1138static struct snd_soc_dai_driver twl6040_dai[] = {
21385eeb 1139{
d13f1fe0 1140 .name = "twl6040-legacy",
68897497 1141 .id = TWL6040_DAI_LEGACY,
8ecbabd9 1142 .playback = {
805238b1 1143 .stream_name = "Legacy Playback",
8ecbabd9 1144 .channels_min = 1,
cdd5054c 1145 .channels_max = 5,
21385eeb
PU		 1146 .rates = TWL6040_RATES,
1147 .formats = TWL6040_FORMATS,
1148 },
1149 .capture = {
805238b1 1150 .stream_name = "Legacy Capture",
21385eeb
PU		 1151 .channels_min = 1,
1152 .channels_max = 2,
8ecbabd9
MLC		 1153 .rates = TWL6040_RATES,
1154 .formats = TWL6040_FORMATS,
1155 },
21385eeb
PU		 1156 .ops = &twl6040_dai_ops,
1157},
6510bdc3
LG		 1158{
1159 .name = "twl6040-ul",
68897497 1160 .id = TWL6040_DAI_UL,
8ecbabd9
MLC		 1161 .capture = {
1162 .stream_name = "Capture",
1163 .channels_min = 1,
1164 .channels_max = 2,
1165 .rates = TWL6040_RATES,
1166 .formats = TWL6040_FORMATS,
1167 },
1168 .ops = &twl6040_dai_ops,
6510bdc3
LG		 1169},
1170{
1171 .name = "twl6040-dl1",
68897497 1172 .id = TWL6040_DAI_DL1,
8ecbabd9 1173 .playback = {
6510bdc3 1174 .stream_name = "Headset Playback",
8ecbabd9 1175 .channels_min = 1,
6510bdc3 1176 .channels_max = 2,
8ecbabd9
MLC		 1177 .rates = TWL6040_RATES,
1178 .formats = TWL6040_FORMATS,
1179 },
6510bdc3
LG		 1180 .ops = &twl6040_dai_ops,
1181},
1182{
1183 .name = "twl6040-dl2",
68897497 1184 .id = TWL6040_DAI_DL2,
6510bdc3
LG		 1185 .playback = {
1186 .stream_name = "Handsfree Playback",
8ecbabd9
MLC		 1187 .channels_min = 1,
1188 .channels_max = 2,
1189 .rates = TWL6040_RATES,
1190 .formats = TWL6040_FORMATS,
1191 },
1192 .ops = &twl6040_dai_ops,
6510bdc3
LG		 1193},
1194{
1195 .name = "twl6040-vib",
68897497 1196 .id = TWL6040_DAI_VIB,
6510bdc3
LG		 1197 .playback = {
1198 .stream_name = "Vibra Playback",
d8dd032d
PU		 1199 .channels_min = 1,
1200 .channels_max = 1,
6510bdc3
LG		 1201 .rates = SNDRV_PCM_RATE_CONTINUOUS,
1202 .formats = TWL6040_FORMATS,
1203 },
1204 .ops = &twl6040_dai_ops,
1205},
8ecbabd9 1206};
8ecbabd9
MLC		 1207
1208#ifdef CONFIG_PM
84b315ee 1209static int twl6040_suspend(struct snd_soc_codec *codec)
8ecbabd9 1210{
8ecbabd9
MLC		 1211 twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
1212
1213 return 0;
1214}
1215
f0fba2ad 1216static int twl6040_resume(struct snd_soc_codec *codec)
8ecbabd9 1217{
8ecbabd9 1218 twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
8ecbabd9
MLC		 1219
1220 return 0;
1221}
1222#else
1223#define twl6040_suspend NULL
1224#define twl6040_resume NULL
1225#endif
1226
f0fba2ad 1227static int twl6040_probe(struct snd_soc_codec *codec)
8ecbabd9 1228{
8ecbabd9 1229 struct twl6040_data *priv;
2a433b9d
PU		 1230 struct platform_device *pdev = container_of(codec->dev,
1231 struct platform_device, dev);
8ecbabd9
MLC		 1232 int ret = 0;
1233
9523fcdc 1234 priv = devm_kzalloc(codec->dev, sizeof(*priv), GFP_KERNEL);
8ecbabd9
MLC		 1235 if (priv == NULL)
1236 return -ENOMEM;
9523fcdc 1237
f0fba2ad 1238 snd_soc_codec_set_drvdata(codec, priv);
8ecbabd9 1239
a2d2362e 1240 priv->codec = codec;
fb34d3d5 1241 codec->control_data = dev_get_drvdata(codec->dev->parent);
a2d2362e 1242
2a433b9d
PU		 1243 priv->plug_irq = platform_get_irq(pdev, 0);
1244 if (priv->plug_irq < 0) {
1245 dev_err(codec->dev, "invalid irq\n");
9523fcdc 1246 return -EINVAL;
2a433b9d 1247 }
8ecbabd9 1248
46dd0b93 1249 INIT_DELAYED_WORK(&priv->hs_jack.work, twl6040_accessory_work);
a2d2362e
JEC		 1250
1251 mutex_init(&priv->mutex);
8ecbabd9 1252
f60596d6 1253 ret = request_threaded_irq(priv->plug_irq, NULL,
9523fcdc
PU		 1254 twl6040_audio_handler, IRQF_NO_SUSPEND,
1255 "twl6040_irq_plug", codec);
fb34d3d5
MLC		 1256 if (ret) {
1257 dev_err(codec->dev, "PLUG IRQ request failed: %d\n", ret);
da2107d1 1258 return ret;
fb34d3d5
MLC		 1259 }
1260
a52762ee 1261 twl6040_init_chip(codec);
fb34d3d5 1262
8ecbabd9 1263 /* power on device */
da2107d1 1264 return twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
8ecbabd9
MLC		 1265}
1266
f0fba2ad 1267static int twl6040_remove(struct snd_soc_codec *codec)
8ecbabd9 1268{
f60596d6
PU		 1269 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1270
1271 free_irq(priv->plug_irq, codec);
f0fba2ad 1272 twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
8ecbabd9 1273
f0fba2ad
LG		 1274 return 0;
1275}
8ecbabd9 1276
f0fba2ad
LG		 1277static struct snd_soc_codec_driver soc_codec_dev_twl6040 = {
1278 .probe = twl6040_probe,
1279 .remove = twl6040_remove,
1280 .suspend = twl6040_suspend,
1281 .resume = twl6040_resume,
1282 .read = twl6040_read_reg_cache,
1283 .write = twl6040_write,
1284 .set_bias_level = twl6040_set_bias_level,
1285 .reg_cache_size = ARRAY_SIZE(twl6040_reg),
1286 .reg_word_size = sizeof(u8),
1287 .reg_cache_default = twl6040_reg,
a5d3a21a 1288 .ignore_pmdown_time = true,
a175fce0
PU		 1289
1290 .controls = twl6040_snd_controls,
1291 .num_controls = ARRAY_SIZE(twl6040_snd_controls),
1292 .dapm_widgets = twl6040_dapm_widgets,
1293 .num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets),
1294 .dapm_routes = intercon,
1295 .num_dapm_routes = ARRAY_SIZE(intercon),
f0fba2ad
LG		 1296};
1297
7a79e94e 1298static int twl6040_codec_probe(struct platform_device *pdev)
f0fba2ad 1299{
6510bdc3
LG		 1300 return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_twl6040,
1301 twl6040_dai, ARRAY_SIZE(twl6040_dai));
f0fba2ad
LG		 1302}
1303
7a79e94e 1304static int twl6040_codec_remove(struct platform_device *pdev)
f0fba2ad
LG		 1305{
1306 snd_soc_unregister_codec(&pdev->dev);
8ecbabd9
MLC		 1307 return 0;
1308}
1309
1310static struct platform_driver twl6040_codec_driver = {
1311 .driver = {
f0fba2ad 1312 .name = "twl6040-codec",
8ecbabd9
MLC		 1313 .owner = THIS_MODULE,
1314 },
1315 .probe = twl6040_codec_probe,
7a79e94e 1316 .remove = twl6040_codec_remove,
8ecbabd9
MLC		 1317};
1318
5bbcc3c0 1319module_platform_driver(twl6040_codec_driver);
8ecbabd9
MLC		 1320
1321MODULE_DESCRIPTION("ASoC TWL6040 codec driver");
1322MODULE_AUTHOR("Misael Lopez Cruz");
1323MODULE_LICENSE("GPL");
Linux kernel - Deliverables
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