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Merge branch 'for-davem' of git://git.kernel.org/pub/scm/linux/kernel/git/bwh/sfc...
[deliverable/linux.git] / sound / soc / codecs / twl6040.c
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>
27 #include <linux/platform_device.h>
28 #include <linux/slab.h>
29 #include <linux/i2c/twl.h>
30 #include <linux/mfd/twl6040.h>
31
32 #include <sound/core.h>
33 #include <sound/pcm.h>
34 #include <sound/pcm_params.h>
35 #include <sound/soc.h>
36 #include <sound/soc-dapm.h>
37 #include <sound/initval.h>
38 #include <sound/tlv.h>
39
40 #include "twl6040.h"
41
42 #define TWL6040_RATES SNDRV_PCM_RATE_8000_96000
43 #define TWL6040_FORMATS (SNDRV_PCM_FMTBIT_S32_LE)
44
45 #define TWL6040_OUTHS_0dB 0x00
46 #define TWL6040_OUTHS_M30dB 0x0F
47 #define TWL6040_OUTHF_0dB 0x03
48 #define TWL6040_OUTHF_M52dB 0x1D
49
50 #define TWL6040_RAMP_NONE 0
51 #define TWL6040_RAMP_UP 1
52 #define TWL6040_RAMP_DOWN 2
53
54 #define TWL6040_HSL_VOL_MASK 0x0F
55 #define TWL6040_HSL_VOL_SHIFT 0
56 #define TWL6040_HSR_VOL_MASK 0xF0
57 #define TWL6040_HSR_VOL_SHIFT 4
58 #define TWL6040_HF_VOL_MASK 0x1F
59 #define TWL6040_HF_VOL_SHIFT 0
60
61 /* Shadow register used by the driver */
62 #define TWL6040_REG_SW_SHADOW 0x2F
63 #define TWL6040_CACHEREGNUM (TWL6040_REG_SW_SHADOW + 1)
64
65 /* TWL6040_REG_SW_SHADOW (0x2F) fields */
66 #define TWL6040_EAR_PATH_ENABLE 0x01
67
68 struct twl6040_output {
69 u16 active;
70 u16 left_vol;
71 u16 right_vol;
72 u16 left_step;
73 u16 right_step;
74 unsigned int step_delay;
75 u16 ramp;
76 struct delayed_work work;
77 struct completion ramp_done;
78 };
79
80 struct twl6040_jack_data {
81 struct snd_soc_jack *jack;
82 struct delayed_work work;
83 int report;
84 };
85
86 /* codec private data */
87 struct twl6040_data {
88 int plug_irq;
89 int codec_powered;
90 int pll;
91 int pll_power_mode;
92 int hs_power_mode;
93 int hs_power_mode_locked;
94 unsigned int clk_in;
95 unsigned int sysclk;
96 u16 hs_left_step;
97 u16 hs_right_step;
98 u16 hf_left_step;
99 u16 hf_right_step;
100 struct twl6040_jack_data hs_jack;
101 struct snd_soc_codec *codec;
102 struct workqueue_struct *workqueue;
103 struct mutex mutex;
104 struct twl6040_output headset;
105 struct twl6040_output handsfree;
106 };
107
108 /*
109 * twl6040 register cache & default register settings
110 */
111 static const u8 twl6040_reg[TWL6040_CACHEREGNUM] = {
112 0x00, /* not used 0x00 */
113 0x4B, /* REG_ASICID 0x01 (ro) */
114 0x00, /* REG_ASICREV 0x02 (ro) */
115 0x00, /* REG_INTID 0x03 */
116 0x00, /* REG_INTMR 0x04 */
117 0x00, /* REG_NCPCTRL 0x05 */
118 0x00, /* REG_LDOCTL 0x06 */
119 0x60, /* REG_HPPLLCTL 0x07 */
120 0x00, /* REG_LPPLLCTL 0x08 */
121 0x4A, /* REG_LPPLLDIV 0x09 */
122 0x00, /* REG_AMICBCTL 0x0A */
123 0x00, /* REG_DMICBCTL 0x0B */
124 0x00, /* REG_MICLCTL 0x0C */
125 0x00, /* REG_MICRCTL 0x0D */
126 0x00, /* REG_MICGAIN 0x0E */
127 0x1B, /* REG_LINEGAIN 0x0F */
128 0x00, /* REG_HSLCTL 0x10 */
129 0x00, /* REG_HSRCTL 0x11 */
130 0x00, /* REG_HSGAIN 0x12 */
131 0x00, /* REG_EARCTL 0x13 */
132 0x00, /* REG_HFLCTL 0x14 */
133 0x00, /* REG_HFLGAIN 0x15 */
134 0x00, /* REG_HFRCTL 0x16 */
135 0x00, /* REG_HFRGAIN 0x17 */
136 0x00, /* REG_VIBCTLL 0x18 */
137 0x00, /* REG_VIBDATL 0x19 */
138 0x00, /* REG_VIBCTLR 0x1A */
139 0x00, /* REG_VIBDATR 0x1B */
140 0x00, /* REG_HKCTL1 0x1C */
141 0x00, /* REG_HKCTL2 0x1D */
142 0x00, /* REG_GPOCTL 0x1E */
143 0x00, /* REG_ALB 0x1F */
144 0x00, /* REG_DLB 0x20 */
145 0x00, /* not used 0x21 */
146 0x00, /* not used 0x22 */
147 0x00, /* not used 0x23 */
148 0x00, /* not used 0x24 */
149 0x00, /* not used 0x25 */
150 0x00, /* not used 0x26 */
151 0x00, /* not used 0x27 */
152 0x00, /* REG_TRIM1 0x28 */
153 0x00, /* REG_TRIM2 0x29 */
154 0x00, /* REG_TRIM3 0x2A */
155 0x00, /* REG_HSOTRIM 0x2B */
156 0x00, /* REG_HFOTRIM 0x2C */
157 0x09, /* REG_ACCCTL 0x2D */
158 0x00, /* REG_STATUS 0x2E (ro) */
159
160 0x00, /* REG_SW_SHADOW 0x2F - Shadow, non HW register */
161 };
162
163 /* List of registers to be restored after power up */
164 static const int twl6040_restore_list[] = {
165 TWL6040_REG_MICLCTL,
166 TWL6040_REG_MICRCTL,
167 TWL6040_REG_MICGAIN,
168 TWL6040_REG_LINEGAIN,
169 TWL6040_REG_HSLCTL,
170 TWL6040_REG_HSRCTL,
171 TWL6040_REG_HSGAIN,
172 TWL6040_REG_EARCTL,
173 TWL6040_REG_HFLCTL,
174 TWL6040_REG_HFLGAIN,
175 TWL6040_REG_HFRCTL,
176 TWL6040_REG_HFRGAIN,
177 };
178
179 /* set of rates for each pll: low-power and high-performance */
180 static unsigned int lp_rates[] = {
181 8000,
182 11250,
183 16000,
184 22500,
185 32000,
186 44100,
187 48000,
188 88200,
189 96000,
190 };
191
192 static unsigned int hp_rates[] = {
193 8000,
194 16000,
195 32000,
196 48000,
197 96000,
198 };
199
200 static struct snd_pcm_hw_constraint_list sysclk_constraints[] = {
201 { .count = ARRAY_SIZE(lp_rates), .list = lp_rates, },
202 { .count = ARRAY_SIZE(hp_rates), .list = hp_rates, },
203 };
204
205 /*
206 * read twl6040 register cache
207 */
208 static inline unsigned int twl6040_read_reg_cache(struct snd_soc_codec *codec,
209 unsigned int reg)
210 {
211 u8 *cache = codec->reg_cache;
212
213 if (reg >= TWL6040_CACHEREGNUM)
214 return -EIO;
215
216 return cache[reg];
217 }
218
219 /*
220 * write twl6040 register cache
221 */
222 static inline void twl6040_write_reg_cache(struct snd_soc_codec *codec,
223 u8 reg, u8 value)
224 {
225 u8 *cache = codec->reg_cache;
226
227 if (reg >= TWL6040_CACHEREGNUM)
228 return;
229 cache[reg] = value;
230 }
231
232 /*
233 * read from twl6040 hardware register
234 */
235 static int twl6040_read_reg_volatile(struct snd_soc_codec *codec,
236 unsigned int reg)
237 {
238 struct twl6040 *twl6040 = codec->control_data;
239 u8 value;
240
241 if (reg >= TWL6040_CACHEREGNUM)
242 return -EIO;
243
244 if (likely(reg < TWL6040_REG_SW_SHADOW)) {
245 value = twl6040_reg_read(twl6040, reg);
246 twl6040_write_reg_cache(codec, reg, value);
247 } else {
248 value = twl6040_read_reg_cache(codec, reg);
249 }
250
251 return value;
252 }
253
254 /*
255 * write to the twl6040 register space
256 */
257 static int twl6040_write(struct snd_soc_codec *codec,
258 unsigned int reg, unsigned int value)
259 {
260 struct twl6040 *twl6040 = codec->control_data;
261
262 if (reg >= TWL6040_CACHEREGNUM)
263 return -EIO;
264
265 twl6040_write_reg_cache(codec, reg, value);
266 if (likely(reg < TWL6040_REG_SW_SHADOW))
267 return twl6040_reg_write(twl6040, reg, value);
268 else
269 return 0;
270 }
271
272 static void twl6040_init_chip(struct snd_soc_codec *codec)
273 {
274 struct twl6040 *twl6040 = codec->control_data;
275 u8 val;
276
277 /* Update reg_cache: ASICREV, and TRIM values */
278 val = twl6040_get_revid(twl6040);
279 twl6040_write_reg_cache(codec, TWL6040_REG_ASICREV, val);
280
281 twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM1);
282 twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM2);
283 twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM3);
284 twl6040_read_reg_volatile(codec, TWL6040_REG_HSOTRIM);
285 twl6040_read_reg_volatile(codec, TWL6040_REG_HFOTRIM);
286
287 /* Change chip defaults */
288 /* No imput selected for microphone amplifiers */
289 twl6040_write_reg_cache(codec, TWL6040_REG_MICLCTL, 0x18);
290 twl6040_write_reg_cache(codec, TWL6040_REG_MICRCTL, 0x18);
291
292 /*
293 * We need to lower the default gain values, so the ramp code
294 * can work correctly for the first playback.
295 * This reduces the pop noise heard at the first playback.
296 */
297 twl6040_write_reg_cache(codec, TWL6040_REG_HSGAIN, 0xff);
298 twl6040_write_reg_cache(codec, TWL6040_REG_EARCTL, 0x1e);
299 twl6040_write_reg_cache(codec, TWL6040_REG_HFLGAIN, 0x1d);
300 twl6040_write_reg_cache(codec, TWL6040_REG_HFRGAIN, 0x1d);
301 twl6040_write_reg_cache(codec, TWL6040_REG_LINEGAIN, 0);
302 }
303
304 static void twl6040_restore_regs(struct snd_soc_codec *codec)
305 {
306 u8 *cache = codec->reg_cache;
307 int reg, i;
308
309 for (i = 0; i < ARRAY_SIZE(twl6040_restore_list); i++) {
310 reg = twl6040_restore_list[i];
311 twl6040_write(codec, reg, cache[reg]);
312 }
313 }
314
315 /*
316 * Ramp HS PGA volume to minimise pops at stream startup and shutdown.
317 */
318 static inline int twl6040_hs_ramp_step(struct snd_soc_codec *codec,
319 unsigned int left_step, unsigned int right_step)
320 {
321
322 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
323 struct twl6040_output *headset = &priv->headset;
324 int left_complete = 0, right_complete = 0;
325 u8 reg, val;
326
327 /* left channel */
328 left_step = (left_step > 0xF) ? 0xF : left_step;
329 reg = twl6040_read_reg_cache(codec, TWL6040_REG_HSGAIN);
330 val = (~reg & TWL6040_HSL_VOL_MASK);
331
332 if (headset->ramp == TWL6040_RAMP_UP) {
333 /* ramp step up */
334 if (val < headset->left_vol) {
335 if (val + left_step > headset->left_vol)
336 val = headset->left_vol;
337 else
338 val += left_step;
339
340 reg &= ~TWL6040_HSL_VOL_MASK;
341 twl6040_write(codec, TWL6040_REG_HSGAIN,
342 (reg | (~val & TWL6040_HSL_VOL_MASK)));
343 } else {
344 left_complete = 1;
345 }
346 } else if (headset->ramp == TWL6040_RAMP_DOWN) {
347 /* ramp step down */
348 if (val > 0x0) {
349 if ((int)val - (int)left_step < 0)
350 val = 0;
351 else
352 val -= left_step;
353
354 reg &= ~TWL6040_HSL_VOL_MASK;
355 twl6040_write(codec, TWL6040_REG_HSGAIN, reg |
356 (~val & TWL6040_HSL_VOL_MASK));
357 } else {
358 left_complete = 1;
359 }
360 }
361
362 /* right channel */
363 right_step = (right_step > 0xF) ? 0xF : right_step;
364 reg = twl6040_read_reg_cache(codec, TWL6040_REG_HSGAIN);
365 val = (~reg & TWL6040_HSR_VOL_MASK) >> TWL6040_HSR_VOL_SHIFT;
366
367 if (headset->ramp == TWL6040_RAMP_UP) {
368 /* ramp step up */
369 if (val < headset->right_vol) {
370 if (val + right_step > headset->right_vol)
371 val = headset->right_vol;
372 else
373 val += right_step;
374
375 reg &= ~TWL6040_HSR_VOL_MASK;
376 twl6040_write(codec, TWL6040_REG_HSGAIN,
377 (reg | (~val << TWL6040_HSR_VOL_SHIFT)));
378 } else {
379 right_complete = 1;
380 }
381 } else if (headset->ramp == TWL6040_RAMP_DOWN) {
382 /* ramp step down */
383 if (val > 0x0) {
384 if ((int)val - (int)right_step < 0)
385 val = 0;
386 else
387 val -= right_step;
388
389 reg &= ~TWL6040_HSR_VOL_MASK;
390 twl6040_write(codec, TWL6040_REG_HSGAIN,
391 reg | (~val << TWL6040_HSR_VOL_SHIFT));
392 } else {
393 right_complete = 1;
394 }
395 }
396
397 return left_complete & right_complete;
398 }
399
400 /*
401 * Ramp HF PGA volume to minimise pops at stream startup and shutdown.
402 */
403 static inline int twl6040_hf_ramp_step(struct snd_soc_codec *codec,
404 unsigned int left_step, unsigned int right_step)
405 {
406 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
407 struct twl6040_output *handsfree = &priv->handsfree;
408 int left_complete = 0, right_complete = 0;
409 u16 reg, val;
410
411 /* left channel */
412 left_step = (left_step > 0x1D) ? 0x1D : left_step;
413 reg = twl6040_read_reg_cache(codec, TWL6040_REG_HFLGAIN);
414 reg = 0x1D - reg;
415 val = (reg & TWL6040_HF_VOL_MASK);
416 if (handsfree->ramp == TWL6040_RAMP_UP) {
417 /* ramp step up */
418 if (val < handsfree->left_vol) {
419 if (val + left_step > handsfree->left_vol)
420 val = handsfree->left_vol;
421 else
422 val += left_step;
423
424 reg &= ~TWL6040_HF_VOL_MASK;
425 twl6040_write(codec, TWL6040_REG_HFLGAIN,
426 reg | (0x1D - val));
427 } else {
428 left_complete = 1;
429 }
430 } else if (handsfree->ramp == TWL6040_RAMP_DOWN) {
431 /* ramp step down */
432 if (val > 0) {
433 if ((int)val - (int)left_step < 0)
434 val = 0;
435 else
436 val -= left_step;
437
438 reg &= ~TWL6040_HF_VOL_MASK;
439 twl6040_write(codec, TWL6040_REG_HFLGAIN,
440 reg | (0x1D - val));
441 } else {
442 left_complete = 1;
443 }
444 }
445
446 /* right channel */
447 right_step = (right_step > 0x1D) ? 0x1D : right_step;
448 reg = twl6040_read_reg_cache(codec, TWL6040_REG_HFRGAIN);
449 reg = 0x1D - reg;
450 val = (reg & TWL6040_HF_VOL_MASK);
451 if (handsfree->ramp == TWL6040_RAMP_UP) {
452 /* ramp step up */
453 if (val < handsfree->right_vol) {
454 if (val + right_step > handsfree->right_vol)
455 val = handsfree->right_vol;
456 else
457 val += right_step;
458
459 reg &= ~TWL6040_HF_VOL_MASK;
460 twl6040_write(codec, TWL6040_REG_HFRGAIN,
461 reg | (0x1D - val));
462 } else {
463 right_complete = 1;
464 }
465 } else if (handsfree->ramp == TWL6040_RAMP_DOWN) {
466 /* ramp step down */
467 if (val > 0) {
468 if ((int)val - (int)right_step < 0)
469 val = 0;
470 else
471 val -= right_step;
472
473 reg &= ~TWL6040_HF_VOL_MASK;
474 twl6040_write(codec, TWL6040_REG_HFRGAIN,
475 reg | (0x1D - val));
476 }
477 }
478
479 return left_complete & right_complete;
480 }
481
482 /*
483 * This work ramps both output PGAs at stream start/stop time to
484 * minimise pop associated with DAPM power switching.
485 */
486 static void twl6040_pga_hs_work(struct work_struct *work)
487 {
488 struct twl6040_data *priv =
489 container_of(work, struct twl6040_data, headset.work.work);
490 struct snd_soc_codec *codec = priv->codec;
491 struct twl6040_output *headset = &priv->headset;
492 int i, headset_complete;
493
494 /* do we need to ramp at all ? */
495 if (headset->ramp == TWL6040_RAMP_NONE)
496 return;
497
498 /* HS PGA gain range: 0x0 - 0xf (0 - 15) */
499 for (i = 0; i < 16; i++) {
500 headset_complete = twl6040_hs_ramp_step(codec,
501 headset->left_step,
502 headset->right_step);
503
504 /* ramp finished ? */
505 if (headset_complete)
506 break;
507
508 schedule_timeout_interruptible(
509 msecs_to_jiffies(headset->step_delay));
510 }
511
512 if (headset->ramp == TWL6040_RAMP_DOWN) {
513 headset->active = 0;
514 complete(&headset->ramp_done);
515 } else {
516 headset->active = 1;
517 }
518 headset->ramp = TWL6040_RAMP_NONE;
519 }
520
521 static void twl6040_pga_hf_work(struct work_struct *work)
522 {
523 struct twl6040_data *priv =
524 container_of(work, struct twl6040_data, handsfree.work.work);
525 struct snd_soc_codec *codec = priv->codec;
526 struct twl6040_output *handsfree = &priv->handsfree;
527 int i, handsfree_complete;
528
529 /* do we need to ramp at all ? */
530 if (handsfree->ramp == TWL6040_RAMP_NONE)
531 return;
532
533 /*
534 * HF PGA gain range: 0x00 - 0x1d (0 - 29) */
535 for (i = 0; i < 30; i++) {
536 handsfree_complete = twl6040_hf_ramp_step(codec,
537 handsfree->left_step,
538 handsfree->right_step);
539
540 /* ramp finished ? */
541 if (handsfree_complete)
542 break;
543
544 schedule_timeout_interruptible(
545 msecs_to_jiffies(handsfree->step_delay));
546 }
547
548
549 if (handsfree->ramp == TWL6040_RAMP_DOWN) {
550 handsfree->active = 0;
551 complete(&handsfree->ramp_done);
552 } else
553 handsfree->active = 1;
554 handsfree->ramp = TWL6040_RAMP_NONE;
555 }
556
557 static int out_drv_event(struct snd_soc_dapm_widget *w,
558 struct snd_kcontrol *kcontrol, int event)
559 {
560 struct snd_soc_codec *codec = w->codec;
561 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
562 struct twl6040_output *out;
563 struct delayed_work *work;
564
565 switch (w->shift) {
566 case 2: /* Headset output driver */
567 out = &priv->headset;
568 work = &out->work;
569 /*
570 * Make sure, that we do not mess up variables for already
571 * executing work.
572 */
573 cancel_delayed_work_sync(work);
574
575 out->left_step = priv->hs_left_step;
576 out->right_step = priv->hs_right_step;
577 out->step_delay = 5; /* 5 ms between volume ramp steps */
578 break;
579 case 4: /* Handsfree output driver */
580 out = &priv->handsfree;
581 work = &out->work;
582 /*
583 * Make sure, that we do not mess up variables for already
584 * executing work.
585 */
586 cancel_delayed_work_sync(work);
587
588 out->left_step = priv->hf_left_step;
589 out->right_step = priv->hf_right_step;
590 out->step_delay = 5; /* 5 ms between volume ramp steps */
591 break;
592 default:
593 return -1;
594 }
595
596 switch (event) {
597 case SND_SOC_DAPM_POST_PMU:
598 if (out->active)
599 break;
600
601 /* don't use volume ramp for power-up */
602 out->ramp = TWL6040_RAMP_UP;
603 out->left_step = out->left_vol;
604 out->right_step = out->right_vol;
605
606 queue_delayed_work(priv->workqueue, work, msecs_to_jiffies(1));
607 break;
608
609 case SND_SOC_DAPM_PRE_PMD:
610 if (!out->active)
611 break;
612
613 /* use volume ramp for power-down */
614 out->ramp = TWL6040_RAMP_DOWN;
615 INIT_COMPLETION(out->ramp_done);
616
617 queue_delayed_work(priv->workqueue, work, msecs_to_jiffies(1));
618
619 wait_for_completion_timeout(&out->ramp_done,
620 msecs_to_jiffies(2000));
621 break;
622 }
623
624 return 0;
625 }
626
627 /* set headset dac and driver power mode */
628 static int headset_power_mode(struct snd_soc_codec *codec, int high_perf)
629 {
630 int hslctl, hsrctl;
631 int mask = TWL6040_HSDRVMODE | TWL6040_HSDACMODE;
632
633 hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL);
634 hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL);
635
636 if (high_perf) {
637 hslctl &= ~mask;
638 hsrctl &= ~mask;
639 } else {
640 hslctl |= mask;
641 hsrctl |= mask;
642 }
643
644 twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl);
645 twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl);
646
647 return 0;
648 }
649
650 static int twl6040_hs_dac_event(struct snd_soc_dapm_widget *w,
651 struct snd_kcontrol *kcontrol, int event)
652 {
653 struct snd_soc_codec *codec = w->codec;
654 u8 hslctl, hsrctl;
655
656 /*
657 * Workaround for Headset DC offset caused pop noise:
658 * Both HS DAC need to be turned on (before the HS driver) and off at
659 * the same time.
660 */
661 hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL);
662 hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL);
663 if (SND_SOC_DAPM_EVENT_ON(event)) {
664 hslctl |= TWL6040_HSDACENA;
665 hsrctl |= TWL6040_HSDACENA;
666 } else {
667 hslctl &= ~TWL6040_HSDACENA;
668 hsrctl &= ~TWL6040_HSDACENA;
669 }
670 twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl);
671 twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl);
672
673 msleep(1);
674 return 0;
675 }
676
677 static int twl6040_ep_drv_event(struct snd_soc_dapm_widget *w,
678 struct snd_kcontrol *kcontrol, int event)
679 {
680 struct snd_soc_codec *codec = w->codec;
681 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
682 int ret = 0;
683
684 if (SND_SOC_DAPM_EVENT_ON(event)) {
685 /* Earphone doesn't support low power mode */
686 priv->hs_power_mode_locked = 1;
687 ret = headset_power_mode(codec, 1);
688 } else {
689 priv->hs_power_mode_locked = 0;
690 ret = headset_power_mode(codec, priv->hs_power_mode);
691 }
692
693 msleep(1);
694
695 return ret;
696 }
697
698 static void twl6040_hs_jack_report(struct snd_soc_codec *codec,
699 struct snd_soc_jack *jack, int report)
700 {
701 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
702 int status;
703
704 mutex_lock(&priv->mutex);
705
706 /* Sync status */
707 status = twl6040_read_reg_volatile(codec, TWL6040_REG_STATUS);
708 if (status & TWL6040_PLUGCOMP)
709 snd_soc_jack_report(jack, report, report);
710 else
711 snd_soc_jack_report(jack, 0, report);
712
713 mutex_unlock(&priv->mutex);
714 }
715
716 void twl6040_hs_jack_detect(struct snd_soc_codec *codec,
717 struct snd_soc_jack *jack, int report)
718 {
719 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
720 struct twl6040_jack_data *hs_jack = &priv->hs_jack;
721
722 hs_jack->jack = jack;
723 hs_jack->report = report;
724
725 twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
726 }
727 EXPORT_SYMBOL_GPL(twl6040_hs_jack_detect);
728
729 static void twl6040_accessory_work(struct work_struct *work)
730 {
731 struct twl6040_data *priv = container_of(work,
732 struct twl6040_data, hs_jack.work.work);
733 struct snd_soc_codec *codec = priv->codec;
734 struct twl6040_jack_data *hs_jack = &priv->hs_jack;
735
736 twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
737 }
738
739 /* audio interrupt handler */
740 static irqreturn_t twl6040_audio_handler(int irq, void *data)
741 {
742 struct snd_soc_codec *codec = data;
743 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
744
745 queue_delayed_work(priv->workqueue, &priv->hs_jack.work,
746 msecs_to_jiffies(200));
747
748 return IRQ_HANDLED;
749 }
750
751 static int twl6040_put_volsw(struct snd_kcontrol *kcontrol,
752 struct snd_ctl_elem_value *ucontrol)
753 {
754 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
755 struct twl6040_data *twl6040_priv = snd_soc_codec_get_drvdata(codec);
756 struct twl6040_output *out = NULL;
757 struct soc_mixer_control *mc =
758 (struct soc_mixer_control *)kcontrol->private_value;
759 int ret;
760
761 /* For HS and HF we shadow the values and only actually write
762 * them out when active in order to ensure the amplifier comes on
763 * as quietly as possible. */
764 switch (mc->reg) {
765 case TWL6040_REG_HSGAIN:
766 out = &twl6040_priv->headset;
767 break;
768 case TWL6040_REG_HFLGAIN:
769 out = &twl6040_priv->handsfree;
770 break;
771 default:
772 dev_warn(codec->dev, "%s: Unexpected register: 0x%02x\n",
773 __func__, mc->reg);
774 return -EINVAL;
775 }
776
777 out->left_vol = ucontrol->value.integer.value[0];
778 out->right_vol = ucontrol->value.integer.value[1];
779 if (!out->active)
780 return 1;
781
782 ret = snd_soc_put_volsw(kcontrol, ucontrol);
783 if (ret < 0)
784 return ret;
785
786 return 1;
787 }
788
789 static int twl6040_get_volsw(struct snd_kcontrol *kcontrol,
790 struct snd_ctl_elem_value *ucontrol)
791 {
792 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
793 struct twl6040_data *twl6040_priv = snd_soc_codec_get_drvdata(codec);
794 struct twl6040_output *out = &twl6040_priv->headset;
795 struct soc_mixer_control *mc =
796 (struct soc_mixer_control *)kcontrol->private_value;
797
798 switch (mc->reg) {
799 case TWL6040_REG_HSGAIN:
800 out = &twl6040_priv->headset;
801 break;
802 case TWL6040_REG_HFLGAIN:
803 out = &twl6040_priv->handsfree;
804 break;
805 default:
806 dev_warn(codec->dev, "%s: Unexpected register: 0x%02x\n",
807 __func__, mc->reg);
808 return -EINVAL;
809 }
810
811 ucontrol->value.integer.value[0] = out->left_vol;
812 ucontrol->value.integer.value[1] = out->right_vol;
813 return 0;
814 }
815
816 static int twl6040_soc_dapm_put_vibra_enum(struct snd_kcontrol *kcontrol,
817 struct snd_ctl_elem_value *ucontrol)
818 {
819 struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
820 struct snd_soc_dapm_widget *widget = wlist->widgets[0];
821 struct snd_soc_codec *codec = widget->codec;
822 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
823 unsigned int val;
824
825 /* Do not allow changes while Input/FF efect is running */
826 val = twl6040_read_reg_volatile(codec, e->reg);
827 if (val & TWL6040_VIBENA && !(val & TWL6040_VIBSEL))
828 return -EBUSY;
829
830 return snd_soc_dapm_put_enum_double(kcontrol, ucontrol);
831 }
832
833 /*
834 * MICATT volume control:
835 * from -6 to 0 dB in 6 dB steps
836 */
837 static DECLARE_TLV_DB_SCALE(mic_preamp_tlv, -600, 600, 0);
838
839 /*
840 * MICGAIN volume control:
841 * from 6 to 30 dB in 6 dB steps
842 */
843 static DECLARE_TLV_DB_SCALE(mic_amp_tlv, 600, 600, 0);
844
845 /*
846 * AFMGAIN volume control:
847 * from -18 to 24 dB in 6 dB steps
848 */
849 static DECLARE_TLV_DB_SCALE(afm_amp_tlv, -1800, 600, 0);
850
851 /*
852 * HSGAIN volume control:
853 * from -30 to 0 dB in 2 dB steps
854 */
855 static DECLARE_TLV_DB_SCALE(hs_tlv, -3000, 200, 0);
856
857 /*
858 * HFGAIN volume control:
859 * from -52 to 6 dB in 2 dB steps
860 */
861 static DECLARE_TLV_DB_SCALE(hf_tlv, -5200, 200, 0);
862
863 /*
864 * EPGAIN volume control:
865 * from -24 to 6 dB in 2 dB steps
866 */
867 static DECLARE_TLV_DB_SCALE(ep_tlv, -2400, 200, 0);
868
869 /* Left analog microphone selection */
870 static const char *twl6040_amicl_texts[] =
871 {"Headset Mic", "Main Mic", "Aux/FM Left", "Off"};
872
873 /* Right analog microphone selection */
874 static const char *twl6040_amicr_texts[] =
875 {"Headset Mic", "Sub Mic", "Aux/FM Right", "Off"};
876
877 static const struct soc_enum twl6040_enum[] = {
878 SOC_ENUM_SINGLE(TWL6040_REG_MICLCTL, 3, 4, twl6040_amicl_texts),
879 SOC_ENUM_SINGLE(TWL6040_REG_MICRCTL, 3, 4, twl6040_amicr_texts),
880 };
881
882 static const char *twl6040_hs_texts[] = {
883 "Off", "HS DAC", "Line-In amp"
884 };
885
886 static const struct soc_enum twl6040_hs_enum[] = {
887 SOC_ENUM_SINGLE(TWL6040_REG_HSLCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
888 twl6040_hs_texts),
889 SOC_ENUM_SINGLE(TWL6040_REG_HSRCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
890 twl6040_hs_texts),
891 };
892
893 static const char *twl6040_hf_texts[] = {
894 "Off", "HF DAC", "Line-In amp"
895 };
896
897 static const struct soc_enum twl6040_hf_enum[] = {
898 SOC_ENUM_SINGLE(TWL6040_REG_HFLCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
899 twl6040_hf_texts),
900 SOC_ENUM_SINGLE(TWL6040_REG_HFRCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
901 twl6040_hf_texts),
902 };
903
904 static const char *twl6040_vibrapath_texts[] = {
905 "Input FF", "Audio PDM"
906 };
907
908 static const struct soc_enum twl6040_vibra_enum[] = {
909 SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLL, 1,
910 ARRAY_SIZE(twl6040_vibrapath_texts),
911 twl6040_vibrapath_texts),
912 SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLR, 1,
913 ARRAY_SIZE(twl6040_vibrapath_texts),
914 twl6040_vibrapath_texts),
915 };
916
917 static const struct snd_kcontrol_new amicl_control =
918 SOC_DAPM_ENUM("Route", twl6040_enum[0]);
919
920 static const struct snd_kcontrol_new amicr_control =
921 SOC_DAPM_ENUM("Route", twl6040_enum[1]);
922
923 /* Headset DAC playback switches */
924 static const struct snd_kcontrol_new hsl_mux_controls =
925 SOC_DAPM_ENUM("Route", twl6040_hs_enum[0]);
926
927 static const struct snd_kcontrol_new hsr_mux_controls =
928 SOC_DAPM_ENUM("Route", twl6040_hs_enum[1]);
929
930 /* Handsfree DAC playback switches */
931 static const struct snd_kcontrol_new hfl_mux_controls =
932 SOC_DAPM_ENUM("Route", twl6040_hf_enum[0]);
933
934 static const struct snd_kcontrol_new hfr_mux_controls =
935 SOC_DAPM_ENUM("Route", twl6040_hf_enum[1]);
936
937 static const struct snd_kcontrol_new ep_path_enable_control =
938 SOC_DAPM_SINGLE("Switch", TWL6040_REG_SW_SHADOW, 0, 1, 0);
939
940 static const struct snd_kcontrol_new auxl_switch_control =
941 SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFLCTL, 6, 1, 0);
942
943 static const struct snd_kcontrol_new auxr_switch_control =
944 SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFRCTL, 6, 1, 0);
945
946 /* Vibra playback switches */
947 static const struct snd_kcontrol_new vibral_mux_controls =
948 SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[0],
949 snd_soc_dapm_get_enum_double,
950 twl6040_soc_dapm_put_vibra_enum);
951
952 static const struct snd_kcontrol_new vibrar_mux_controls =
953 SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[1],
954 snd_soc_dapm_get_enum_double,
955 twl6040_soc_dapm_put_vibra_enum);
956
957 /* Headset power mode */
958 static const char *twl6040_power_mode_texts[] = {
959 "Low-Power", "High-Perfomance",
960 };
961
962 static const struct soc_enum twl6040_power_mode_enum =
963 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(twl6040_power_mode_texts),
964 twl6040_power_mode_texts);
965
966 static int twl6040_headset_power_get_enum(struct snd_kcontrol *kcontrol,
967 struct snd_ctl_elem_value *ucontrol)
968 {
969 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
970 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
971
972 ucontrol->value.enumerated.item[0] = priv->hs_power_mode;
973
974 return 0;
975 }
976
977 static int twl6040_headset_power_put_enum(struct snd_kcontrol *kcontrol,
978 struct snd_ctl_elem_value *ucontrol)
979 {
980 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
981 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
982 int high_perf = ucontrol->value.enumerated.item[0];
983 int ret = 0;
984
985 if (!priv->hs_power_mode_locked)
986 ret = headset_power_mode(codec, high_perf);
987
988 if (!ret)
989 priv->hs_power_mode = high_perf;
990
991 return ret;
992 }
993
994 static int twl6040_pll_get_enum(struct snd_kcontrol *kcontrol,
995 struct snd_ctl_elem_value *ucontrol)
996 {
997 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
998 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
999
1000 ucontrol->value.enumerated.item[0] = priv->pll_power_mode;
1001
1002 return 0;
1003 }
1004
1005 static int twl6040_pll_put_enum(struct snd_kcontrol *kcontrol,
1006 struct snd_ctl_elem_value *ucontrol)
1007 {
1008 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
1009 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1010
1011 priv->pll_power_mode = ucontrol->value.enumerated.item[0];
1012
1013 return 0;
1014 }
1015
1016 int twl6040_get_dl1_gain(struct snd_soc_codec *codec)
1017 {
1018 struct snd_soc_dapm_context *dapm = &codec->dapm;
1019
1020 if (snd_soc_dapm_get_pin_status(dapm, "EP"))
1021 return -1; /* -1dB */
1022
1023 if (snd_soc_dapm_get_pin_status(dapm, "HSOR") ||
1024 snd_soc_dapm_get_pin_status(dapm, "HSOL")) {
1025
1026 u8 val = snd_soc_read(codec, TWL6040_REG_HSLCTL);
1027 if (val & TWL6040_HSDACMODE)
1028 /* HSDACL in LP mode */
1029 return -8; /* -8dB */
1030 else
1031 /* HSDACL in HP mode */
1032 return -1; /* -1dB */
1033 }
1034 return 0; /* 0dB */
1035 }
1036 EXPORT_SYMBOL_GPL(twl6040_get_dl1_gain);
1037
1038 int twl6040_get_clk_id(struct snd_soc_codec *codec)
1039 {
1040 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1041
1042 return priv->pll_power_mode;
1043 }
1044 EXPORT_SYMBOL_GPL(twl6040_get_clk_id);
1045
1046 int twl6040_get_trim_value(struct snd_soc_codec *codec, enum twl6040_trim trim)
1047 {
1048 if (unlikely(trim >= TWL6040_TRIM_INVAL))
1049 return -EINVAL;
1050
1051 return twl6040_read_reg_cache(codec, TWL6040_REG_TRIM1 + trim);
1052 }
1053 EXPORT_SYMBOL_GPL(twl6040_get_trim_value);
1054
1055 static const struct snd_kcontrol_new twl6040_snd_controls[] = {
1056 /* Capture gains */
1057 SOC_DOUBLE_TLV("Capture Preamplifier Volume",
1058 TWL6040_REG_MICGAIN, 6, 7, 1, 1, mic_preamp_tlv),
1059 SOC_DOUBLE_TLV("Capture Volume",
1060 TWL6040_REG_MICGAIN, 0, 3, 4, 0, mic_amp_tlv),
1061
1062 /* AFM gains */
1063 SOC_DOUBLE_TLV("Aux FM Volume",
1064 TWL6040_REG_LINEGAIN, 0, 3, 7, 0, afm_amp_tlv),
1065
1066 /* Playback gains */
1067 SOC_DOUBLE_EXT_TLV("Headset Playback Volume",
1068 TWL6040_REG_HSGAIN, 0, 4, 0xF, 1, twl6040_get_volsw,
1069 twl6040_put_volsw, hs_tlv),
1070 SOC_DOUBLE_R_EXT_TLV("Handsfree Playback Volume",
1071 TWL6040_REG_HFLGAIN, TWL6040_REG_HFRGAIN, 0, 0x1D, 1,
1072 twl6040_get_volsw, twl6040_put_volsw, hf_tlv),
1073 SOC_SINGLE_TLV("Earphone Playback Volume",
1074 TWL6040_REG_EARCTL, 1, 0xF, 1, ep_tlv),
1075
1076 SOC_ENUM_EXT("Headset Power Mode", twl6040_power_mode_enum,
1077 twl6040_headset_power_get_enum,
1078 twl6040_headset_power_put_enum),
1079
1080 SOC_ENUM_EXT("PLL Selection", twl6040_power_mode_enum,
1081 twl6040_pll_get_enum, twl6040_pll_put_enum),
1082 };
1083
1084 static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
1085 /* Inputs */
1086 SND_SOC_DAPM_INPUT("MAINMIC"),
1087 SND_SOC_DAPM_INPUT("HSMIC"),
1088 SND_SOC_DAPM_INPUT("SUBMIC"),
1089 SND_SOC_DAPM_INPUT("AFML"),
1090 SND_SOC_DAPM_INPUT("AFMR"),
1091
1092 /* Outputs */
1093 SND_SOC_DAPM_OUTPUT("HSOL"),
1094 SND_SOC_DAPM_OUTPUT("HSOR"),
1095 SND_SOC_DAPM_OUTPUT("HFL"),
1096 SND_SOC_DAPM_OUTPUT("HFR"),
1097 SND_SOC_DAPM_OUTPUT("EP"),
1098 SND_SOC_DAPM_OUTPUT("AUXL"),
1099 SND_SOC_DAPM_OUTPUT("AUXR"),
1100 SND_SOC_DAPM_OUTPUT("VIBRAL"),
1101 SND_SOC_DAPM_OUTPUT("VIBRAR"),
1102
1103 /* Analog input muxes for the capture amplifiers */
1104 SND_SOC_DAPM_MUX("Analog Left Capture Route",
1105 SND_SOC_NOPM, 0, 0, &amicl_control),
1106 SND_SOC_DAPM_MUX("Analog Right Capture Route",
1107 SND_SOC_NOPM, 0, 0, &amicr_control),
1108
1109 /* Analog capture PGAs */
1110 SND_SOC_DAPM_PGA("MicAmpL",
1111 TWL6040_REG_MICLCTL, 0, 0, NULL, 0),
1112 SND_SOC_DAPM_PGA("MicAmpR",
1113 TWL6040_REG_MICRCTL, 0, 0, NULL, 0),
1114
1115 /* Auxiliary FM PGAs */
1116 SND_SOC_DAPM_PGA("AFMAmpL",
1117 TWL6040_REG_MICLCTL, 1, 0, NULL, 0),
1118 SND_SOC_DAPM_PGA("AFMAmpR",
1119 TWL6040_REG_MICRCTL, 1, 0, NULL, 0),
1120
1121 /* ADCs */
1122 SND_SOC_DAPM_ADC("ADC Left", "Left Front Capture",
1123 TWL6040_REG_MICLCTL, 2, 0),
1124 SND_SOC_DAPM_ADC("ADC Right", "Right Front Capture",
1125 TWL6040_REG_MICRCTL, 2, 0),
1126
1127 /* Microphone bias */
1128 SND_SOC_DAPM_MICBIAS("Headset Mic Bias",
1129 TWL6040_REG_AMICBCTL, 0, 0),
1130 SND_SOC_DAPM_MICBIAS("Main Mic Bias",
1131 TWL6040_REG_AMICBCTL, 4, 0),
1132 SND_SOC_DAPM_MICBIAS("Digital Mic1 Bias",
1133 TWL6040_REG_DMICBCTL, 0, 0),
1134 SND_SOC_DAPM_MICBIAS("Digital Mic2 Bias",
1135 TWL6040_REG_DMICBCTL, 4, 0),
1136
1137 /* DACs */
1138 SND_SOC_DAPM_DAC("HSDAC Left", "Headset Playback", SND_SOC_NOPM, 0, 0),
1139 SND_SOC_DAPM_DAC("HSDAC Right", "Headset Playback", SND_SOC_NOPM, 0, 0),
1140 SND_SOC_DAPM_DAC("HFDAC Left", "Handsfree Playback",
1141 TWL6040_REG_HFLCTL, 0, 0),
1142 SND_SOC_DAPM_DAC("HFDAC Right", "Handsfree Playback",
1143 TWL6040_REG_HFRCTL, 0, 0),
1144 /* Virtual DAC for vibra path (DL4 channel) */
1145 SND_SOC_DAPM_DAC("VIBRA DAC", "Vibra Playback",
1146 SND_SOC_NOPM, 0, 0),
1147
1148 SND_SOC_DAPM_MUX("Handsfree Left Playback",
1149 SND_SOC_NOPM, 0, 0, &hfl_mux_controls),
1150 SND_SOC_DAPM_MUX("Handsfree Right Playback",
1151 SND_SOC_NOPM, 0, 0, &hfr_mux_controls),
1152 /* Analog playback Muxes */
1153 SND_SOC_DAPM_MUX("Headset Left Playback",
1154 SND_SOC_NOPM, 0, 0, &hsl_mux_controls),
1155 SND_SOC_DAPM_MUX("Headset Right Playback",
1156 SND_SOC_NOPM, 0, 0, &hsr_mux_controls),
1157
1158 SND_SOC_DAPM_MUX("Vibra Left Playback", SND_SOC_NOPM, 0, 0,
1159 &vibral_mux_controls),
1160 SND_SOC_DAPM_MUX("Vibra Right Playback", SND_SOC_NOPM, 0, 0,
1161 &vibrar_mux_controls),
1162
1163 SND_SOC_DAPM_SWITCH("Earphone Playback", SND_SOC_NOPM, 0, 0,
1164 &ep_path_enable_control),
1165 SND_SOC_DAPM_SWITCH("AUXL Playback", SND_SOC_NOPM, 0, 0,
1166 &auxl_switch_control),
1167 SND_SOC_DAPM_SWITCH("AUXR Playback", SND_SOC_NOPM, 0, 0,
1168 &auxr_switch_control),
1169
1170 /* Analog playback drivers */
1171 SND_SOC_DAPM_OUT_DRV_E("HF Left Driver",
1172 TWL6040_REG_HFLCTL, 4, 0, NULL, 0,
1173 out_drv_event,
1174 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1175 SND_SOC_DAPM_OUT_DRV_E("HF Right Driver",
1176 TWL6040_REG_HFRCTL, 4, 0, NULL, 0,
1177 out_drv_event,
1178 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1179 SND_SOC_DAPM_OUT_DRV_E("HS Left Driver",
1180 TWL6040_REG_HSLCTL, 2, 0, NULL, 0,
1181 out_drv_event,
1182 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1183 SND_SOC_DAPM_OUT_DRV_E("HS Right Driver",
1184 TWL6040_REG_HSRCTL, 2, 0, NULL, 0,
1185 out_drv_event,
1186 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1187 SND_SOC_DAPM_OUT_DRV_E("Earphone Driver",
1188 TWL6040_REG_EARCTL, 0, 0, NULL, 0,
1189 twl6040_ep_drv_event,
1190 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
1191 SND_SOC_DAPM_OUT_DRV("Vibra Left Driver",
1192 TWL6040_REG_VIBCTLL, 0, 0, NULL, 0),
1193 SND_SOC_DAPM_OUT_DRV("Vibra Right Driver",
1194 TWL6040_REG_VIBCTLR, 0, 0, NULL, 0),
1195
1196 SND_SOC_DAPM_SUPPLY("Vibra Left Control", TWL6040_REG_VIBCTLL, 2, 0,
1197 NULL, 0),
1198 SND_SOC_DAPM_SUPPLY("Vibra Right Control", TWL6040_REG_VIBCTLR, 2, 0,
1199 NULL, 0),
1200 SND_SOC_DAPM_SUPPLY_S("HSDAC Power", 1, SND_SOC_NOPM, 0, 0,
1201 twl6040_hs_dac_event,
1202 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1203
1204 /* Analog playback PGAs */
1205 SND_SOC_DAPM_PGA("HF Left PGA",
1206 TWL6040_REG_HFLCTL, 1, 0, NULL, 0),
1207 SND_SOC_DAPM_PGA("HF Right PGA",
1208 TWL6040_REG_HFRCTL, 1, 0, NULL, 0),
1209
1210 };
1211
1212 static const struct snd_soc_dapm_route intercon[] = {
1213 /* Capture path */
1214 {"Analog Left Capture Route", "Headset Mic", "HSMIC"},
1215 {"Analog Left Capture Route", "Main Mic", "MAINMIC"},
1216 {"Analog Left Capture Route", "Aux/FM Left", "AFML"},
1217
1218 {"Analog Right Capture Route", "Headset Mic", "HSMIC"},
1219 {"Analog Right Capture Route", "Sub Mic", "SUBMIC"},
1220 {"Analog Right Capture Route", "Aux/FM Right", "AFMR"},
1221
1222 {"MicAmpL", NULL, "Analog Left Capture Route"},
1223 {"MicAmpR", NULL, "Analog Right Capture Route"},
1224
1225 {"ADC Left", NULL, "MicAmpL"},
1226 {"ADC Right", NULL, "MicAmpR"},
1227
1228 /* AFM path */
1229 {"AFMAmpL", NULL, "AFML"},
1230 {"AFMAmpR", NULL, "AFMR"},
1231
1232 {"HSDAC Left", NULL, "HSDAC Power"},
1233 {"HSDAC Right", NULL, "HSDAC Power"},
1234
1235 {"Headset Left Playback", "HS DAC", "HSDAC Left"},
1236 {"Headset Left Playback", "Line-In amp", "AFMAmpL"},
1237
1238 {"Headset Right Playback", "HS DAC", "HSDAC Right"},
1239 {"Headset Right Playback", "Line-In amp", "AFMAmpR"},
1240
1241 {"HS Left Driver", NULL, "Headset Left Playback"},
1242 {"HS Right Driver", NULL, "Headset Right Playback"},
1243
1244 {"HSOL", NULL, "HS Left Driver"},
1245 {"HSOR", NULL, "HS Right Driver"},
1246
1247 /* Earphone playback path */
1248 {"Earphone Playback", "Switch", "HSDAC Left"},
1249 {"Earphone Driver", NULL, "Earphone Playback"},
1250 {"EP", NULL, "Earphone Driver"},
1251
1252 {"Handsfree Left Playback", "HF DAC", "HFDAC Left"},
1253 {"Handsfree Left Playback", "Line-In amp", "AFMAmpL"},
1254
1255 {"Handsfree Right Playback", "HF DAC", "HFDAC Right"},
1256 {"Handsfree Right Playback", "Line-In amp", "AFMAmpR"},
1257
1258 {"HF Left PGA", NULL, "Handsfree Left Playback"},
1259 {"HF Right PGA", NULL, "Handsfree Right Playback"},
1260
1261 {"HF Left Driver", NULL, "HF Left PGA"},
1262 {"HF Right Driver", NULL, "HF Right PGA"},
1263
1264 {"HFL", NULL, "HF Left Driver"},
1265 {"HFR", NULL, "HF Right Driver"},
1266
1267 {"AUXL Playback", "Switch", "HF Left PGA"},
1268 {"AUXR Playback", "Switch", "HF Right PGA"},
1269
1270 {"AUXL", NULL, "AUXL Playback"},
1271 {"AUXR", NULL, "AUXR Playback"},
1272
1273 /* Vibrator paths */
1274 {"Vibra Left Playback", "Audio PDM", "VIBRA DAC"},
1275 {"Vibra Right Playback", "Audio PDM", "VIBRA DAC"},
1276
1277 {"Vibra Left Driver", NULL, "Vibra Left Playback"},
1278 {"Vibra Right Driver", NULL, "Vibra Right Playback"},
1279 {"Vibra Left Driver", NULL, "Vibra Left Control"},
1280 {"Vibra Right Driver", NULL, "Vibra Right Control"},
1281
1282 {"VIBRAL", NULL, "Vibra Left Driver"},
1283 {"VIBRAR", NULL, "Vibra Right Driver"},
1284 };
1285
1286 static int twl6040_set_bias_level(struct snd_soc_codec *codec,
1287 enum snd_soc_bias_level level)
1288 {
1289 struct twl6040 *twl6040 = codec->control_data;
1290 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1291 int ret;
1292
1293 switch (level) {
1294 case SND_SOC_BIAS_ON:
1295 break;
1296 case SND_SOC_BIAS_PREPARE:
1297 break;
1298 case SND_SOC_BIAS_STANDBY:
1299 if (priv->codec_powered)
1300 break;
1301
1302 ret = twl6040_power(twl6040, 1);
1303 if (ret)
1304 return ret;
1305
1306 priv->codec_powered = 1;
1307
1308 twl6040_restore_regs(codec);
1309
1310 /* Set external boost GPO */
1311 twl6040_write(codec, TWL6040_REG_GPOCTL, 0x02);
1312 break;
1313 case SND_SOC_BIAS_OFF:
1314 if (!priv->codec_powered)
1315 break;
1316
1317 twl6040_power(twl6040, 0);
1318 priv->codec_powered = 0;
1319 break;
1320 }
1321
1322 codec->dapm.bias_level = level;
1323
1324 return 0;
1325 }
1326
1327 static int twl6040_startup(struct snd_pcm_substream *substream,
1328 struct snd_soc_dai *dai)
1329 {
1330 struct snd_soc_pcm_runtime *rtd = substream->private_data;
1331 struct snd_soc_codec *codec = rtd->codec;
1332 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1333
1334 snd_pcm_hw_constraint_list(substream->runtime, 0,
1335 SNDRV_PCM_HW_PARAM_RATE,
1336 &sysclk_constraints[priv->pll_power_mode]);
1337
1338 return 0;
1339 }
1340
1341 static int twl6040_hw_params(struct snd_pcm_substream *substream,
1342 struct snd_pcm_hw_params *params,
1343 struct snd_soc_dai *dai)
1344 {
1345 struct snd_soc_pcm_runtime *rtd = substream->private_data;
1346 struct snd_soc_codec *codec = rtd->codec;
1347 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1348 int rate;
1349
1350 rate = params_rate(params);
1351 switch (rate) {
1352 case 11250:
1353 case 22500:
1354 case 44100:
1355 case 88200:
1356 /* These rates are not supported when HPPLL is in use */
1357 if (unlikely(priv->pll == TWL6040_SYSCLK_SEL_HPPLL)) {
1358 dev_err(codec->dev, "HPPLL does not support rate %d\n",
1359 rate);
1360 return -EINVAL;
1361 }
1362 priv->sysclk = 17640000;
1363 break;
1364 case 8000:
1365 case 16000:
1366 case 32000:
1367 case 48000:
1368 case 96000:
1369 priv->sysclk = 19200000;
1370 break;
1371 default:
1372 dev_err(codec->dev, "unsupported rate %d\n", rate);
1373 return -EINVAL;
1374 }
1375
1376 return 0;
1377 }
1378
1379 static int twl6040_prepare(struct snd_pcm_substream *substream,
1380 struct snd_soc_dai *dai)
1381 {
1382 struct snd_soc_pcm_runtime *rtd = substream->private_data;
1383 struct snd_soc_codec *codec = rtd->codec;
1384 struct twl6040 *twl6040 = codec->control_data;
1385 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1386 int ret;
1387
1388 if (!priv->sysclk) {
1389 dev_err(codec->dev,
1390 "no mclk configured, call set_sysclk() on init\n");
1391 return -EINVAL;
1392 }
1393
1394 ret = twl6040_set_pll(twl6040, priv->pll, priv->clk_in, priv->sysclk);
1395 if (ret) {
1396 dev_err(codec->dev, "Can not set PLL (%d)\n", ret);
1397 return -EPERM;
1398 }
1399
1400 return 0;
1401 }
1402
1403 static int twl6040_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1404 int clk_id, unsigned int freq, int dir)
1405 {
1406 struct snd_soc_codec *codec = codec_dai->codec;
1407 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1408
1409 switch (clk_id) {
1410 case TWL6040_SYSCLK_SEL_LPPLL:
1411 case TWL6040_SYSCLK_SEL_HPPLL:
1412 priv->pll = clk_id;
1413 priv->clk_in = freq;
1414 break;
1415 default:
1416 dev_err(codec->dev, "unknown clk_id %d\n", clk_id);
1417 return -EINVAL;
1418 }
1419
1420 return 0;
1421 }
1422
1423 static const struct snd_soc_dai_ops twl6040_dai_ops = {
1424 .startup = twl6040_startup,
1425 .hw_params = twl6040_hw_params,
1426 .prepare = twl6040_prepare,
1427 .set_sysclk = twl6040_set_dai_sysclk,
1428 };
1429
1430 static struct snd_soc_dai_driver twl6040_dai[] = {
1431 {
1432 .name = "twl6040-legacy",
1433 .playback = {
1434 .stream_name = "Playback",
1435 .channels_min = 1,
1436 .channels_max = 5,
1437 .rates = TWL6040_RATES,
1438 .formats = TWL6040_FORMATS,
1439 },
1440 .capture = {
1441 .stream_name = "Capture",
1442 .channels_min = 1,
1443 .channels_max = 2,
1444 .rates = TWL6040_RATES,
1445 .formats = TWL6040_FORMATS,
1446 },
1447 .ops = &twl6040_dai_ops,
1448 },
1449 {
1450 .name = "twl6040-ul",
1451 .capture = {
1452 .stream_name = "Capture",
1453 .channels_min = 1,
1454 .channels_max = 2,
1455 .rates = TWL6040_RATES,
1456 .formats = TWL6040_FORMATS,
1457 },
1458 .ops = &twl6040_dai_ops,
1459 },
1460 {
1461 .name = "twl6040-dl1",
1462 .playback = {
1463 .stream_name = "Headset Playback",
1464 .channels_min = 1,
1465 .channels_max = 2,
1466 .rates = TWL6040_RATES,
1467 .formats = TWL6040_FORMATS,
1468 },
1469 .ops = &twl6040_dai_ops,
1470 },
1471 {
1472 .name = "twl6040-dl2",
1473 .playback = {
1474 .stream_name = "Handsfree Playback",
1475 .channels_min = 1,
1476 .channels_max = 2,
1477 .rates = TWL6040_RATES,
1478 .formats = TWL6040_FORMATS,
1479 },
1480 .ops = &twl6040_dai_ops,
1481 },
1482 {
1483 .name = "twl6040-vib",
1484 .playback = {
1485 .stream_name = "Vibra Playback",
1486 .channels_min = 1,
1487 .channels_max = 1,
1488 .rates = SNDRV_PCM_RATE_CONTINUOUS,
1489 .formats = TWL6040_FORMATS,
1490 },
1491 .ops = &twl6040_dai_ops,
1492 },
1493 };
1494
1495 #ifdef CONFIG_PM
1496 static int twl6040_suspend(struct snd_soc_codec *codec)
1497 {
1498 twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
1499
1500 return 0;
1501 }
1502
1503 static int twl6040_resume(struct snd_soc_codec *codec)
1504 {
1505 twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1506 twl6040_set_bias_level(codec, codec->dapm.suspend_bias_level);
1507
1508 return 0;
1509 }
1510 #else
1511 #define twl6040_suspend NULL
1512 #define twl6040_resume NULL
1513 #endif
1514
1515 static int twl6040_probe(struct snd_soc_codec *codec)
1516 {
1517 struct twl6040_data *priv;
1518 struct twl4030_codec_data *pdata = dev_get_platdata(codec->dev);
1519 struct platform_device *pdev = container_of(codec->dev,
1520 struct platform_device, dev);
1521 int ret = 0;
1522
1523 priv = kzalloc(sizeof(struct twl6040_data), GFP_KERNEL);
1524 if (priv == NULL)
1525 return -ENOMEM;
1526 snd_soc_codec_set_drvdata(codec, priv);
1527
1528 priv->codec = codec;
1529 codec->control_data = dev_get_drvdata(codec->dev->parent);
1530 codec->ignore_pmdown_time = 1;
1531
1532 if (pdata && pdata->hs_left_step && pdata->hs_right_step) {
1533 priv->hs_left_step = pdata->hs_left_step;
1534 priv->hs_right_step = pdata->hs_right_step;
1535 } else {
1536 priv->hs_left_step = 1;
1537 priv->hs_right_step = 1;
1538 }
1539
1540 if (pdata && pdata->hf_left_step && pdata->hf_right_step) {
1541 priv->hf_left_step = pdata->hf_left_step;
1542 priv->hf_right_step = pdata->hf_right_step;
1543 } else {
1544 priv->hf_left_step = 1;
1545 priv->hf_right_step = 1;
1546 }
1547
1548 priv->plug_irq = platform_get_irq(pdev, 0);
1549 if (priv->plug_irq < 0) {
1550 dev_err(codec->dev, "invalid irq\n");
1551 ret = -EINVAL;
1552 goto work_err;
1553 }
1554
1555 priv->workqueue = alloc_workqueue("twl6040-codec", 0, 0);
1556 if (!priv->workqueue) {
1557 ret = -ENOMEM;
1558 goto work_err;
1559 }
1560
1561 INIT_DELAYED_WORK(&priv->hs_jack.work, twl6040_accessory_work);
1562 INIT_DELAYED_WORK(&priv->headset.work, twl6040_pga_hs_work);
1563 INIT_DELAYED_WORK(&priv->handsfree.work, twl6040_pga_hf_work);
1564
1565 mutex_init(&priv->mutex);
1566
1567 init_completion(&priv->headset.ramp_done);
1568 init_completion(&priv->handsfree.ramp_done);
1569
1570 ret = request_threaded_irq(priv->plug_irq, NULL, twl6040_audio_handler,
1571 0, "twl6040_irq_plug", codec);
1572 if (ret) {
1573 dev_err(codec->dev, "PLUG IRQ request failed: %d\n", ret);
1574 goto plugirq_err;
1575 }
1576
1577 twl6040_init_chip(codec);
1578
1579 /* power on device */
1580 ret = twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1581 if (!ret)
1582 return 0;
1583
1584 /* Error path */
1585 free_irq(priv->plug_irq, codec);
1586 plugirq_err:
1587 destroy_workqueue(priv->workqueue);
1588 work_err:
1589 kfree(priv);
1590 return ret;
1591 }
1592
1593 static int twl6040_remove(struct snd_soc_codec *codec)
1594 {
1595 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1596
1597 twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
1598 free_irq(priv->plug_irq, codec);
1599 destroy_workqueue(priv->workqueue);
1600 kfree(priv);
1601
1602 return 0;
1603 }
1604
1605 static struct snd_soc_codec_driver soc_codec_dev_twl6040 = {
1606 .probe = twl6040_probe,
1607 .remove = twl6040_remove,
1608 .suspend = twl6040_suspend,
1609 .resume = twl6040_resume,
1610 .read = twl6040_read_reg_cache,
1611 .write = twl6040_write,
1612 .set_bias_level = twl6040_set_bias_level,
1613 .reg_cache_size = ARRAY_SIZE(twl6040_reg),
1614 .reg_word_size = sizeof(u8),
1615 .reg_cache_default = twl6040_reg,
1616
1617 .controls = twl6040_snd_controls,
1618 .num_controls = ARRAY_SIZE(twl6040_snd_controls),
1619 .dapm_widgets = twl6040_dapm_widgets,
1620 .num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets),
1621 .dapm_routes = intercon,
1622 .num_dapm_routes = ARRAY_SIZE(intercon),
1623 };
1624
1625 static int __devinit twl6040_codec_probe(struct platform_device *pdev)
1626 {
1627 return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_twl6040,
1628 twl6040_dai, ARRAY_SIZE(twl6040_dai));
1629 }
1630
1631 static int __devexit twl6040_codec_remove(struct platform_device *pdev)
1632 {
1633 snd_soc_unregister_codec(&pdev->dev);
1634 return 0;
1635 }
1636
1637 static struct platform_driver twl6040_codec_driver = {
1638 .driver = {
1639 .name = "twl6040-codec",
1640 .owner = THIS_MODULE,
1641 },
1642 .probe = twl6040_codec_probe,
1643 .remove = __devexit_p(twl6040_codec_remove),
1644 };
1645
1646 module_platform_driver(twl6040_codec_driver);
1647
1648 MODULE_DESCRIPTION("ASoC TWL6040 codec driver");
1649 MODULE_AUTHOR("Misael Lopez Cruz");
1650 MODULE_LICENSE("GPL");
Linux kernel - Deliverables
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