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mfd: Convert twl6040 to i2c driver, and separate it from twl core
[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/mfd/twl6040.h>
30
31 #include <sound/core.h>
32 #include <sound/pcm.h>
33 #include <sound/pcm_params.h>
34 #include <sound/soc.h>
35 #include <sound/soc-dapm.h>
36 #include <sound/initval.h>
37 #include <sound/tlv.h>
38
39 #include "twl6040.h"
40
41 #define TWL6040_RATES SNDRV_PCM_RATE_8000_96000
42 #define TWL6040_FORMATS (SNDRV_PCM_FMTBIT_S32_LE)
43
44 #define TWL6040_OUTHS_0dB 0x00
45 #define TWL6040_OUTHS_M30dB 0x0F
46 #define TWL6040_OUTHF_0dB 0x03
47 #define TWL6040_OUTHF_M52dB 0x1D
48
49 #define TWL6040_RAMP_NONE 0
50 #define TWL6040_RAMP_UP 1
51 #define TWL6040_RAMP_DOWN 2
52
53 #define TWL6040_HSL_VOL_MASK 0x0F
54 #define TWL6040_HSL_VOL_SHIFT 0
55 #define TWL6040_HSR_VOL_MASK 0xF0
56 #define TWL6040_HSR_VOL_SHIFT 4
57 #define TWL6040_HF_VOL_MASK 0x1F
58 #define TWL6040_HF_VOL_SHIFT 0
59
60 /* Shadow register used by the driver */
61 #define TWL6040_REG_SW_SHADOW 0x2F
62 #define TWL6040_CACHEREGNUM (TWL6040_REG_SW_SHADOW + 1)
63
64 /* TWL6040_REG_SW_SHADOW (0x2F) fields */
65 #define TWL6040_EAR_PATH_ENABLE 0x01
66
67 struct twl6040_output {
68 u16 active;
69 u16 left_vol;
70 u16 right_vol;
71 u16 left_step;
72 u16 right_step;
73 unsigned int step_delay;
74 u16 ramp;
75 struct delayed_work work;
76 struct completion ramp_done;
77 };
78
79 struct twl6040_jack_data {
80 struct snd_soc_jack *jack;
81 struct delayed_work work;
82 int report;
83 };
84
85 /* codec private data */
86 struct twl6040_data {
87 int plug_irq;
88 int codec_powered;
89 int pll;
90 int pll_power_mode;
91 int hs_power_mode;
92 int hs_power_mode_locked;
93 unsigned int clk_in;
94 unsigned int sysclk;
95 u16 hs_left_step;
96 u16 hs_right_step;
97 u16 hf_left_step;
98 u16 hf_right_step;
99 struct twl6040_jack_data hs_jack;
100 struct snd_soc_codec *codec;
101 struct workqueue_struct *workqueue;
102 struct mutex mutex;
103 struct twl6040_output headset;
104 struct twl6040_output handsfree;
105 };
106
107 /*
108 * twl6040 register cache & default register settings
109 */
110 static const u8 twl6040_reg[TWL6040_CACHEREGNUM] = {
111 0x00, /* not used 0x00 */
112 0x4B, /* REG_ASICID 0x01 (ro) */
113 0x00, /* REG_ASICREV 0x02 (ro) */
114 0x00, /* REG_INTID 0x03 */
115 0x00, /* REG_INTMR 0x04 */
116 0x00, /* REG_NCPCTRL 0x05 */
117 0x00, /* REG_LDOCTL 0x06 */
118 0x60, /* REG_HPPLLCTL 0x07 */
119 0x00, /* REG_LPPLLCTL 0x08 */
120 0x4A, /* REG_LPPLLDIV 0x09 */
121 0x00, /* REG_AMICBCTL 0x0A */
122 0x00, /* REG_DMICBCTL 0x0B */
123 0x00, /* REG_MICLCTL 0x0C */
124 0x00, /* REG_MICRCTL 0x0D */
125 0x00, /* REG_MICGAIN 0x0E */
126 0x1B, /* REG_LINEGAIN 0x0F */
127 0x00, /* REG_HSLCTL 0x10 */
128 0x00, /* REG_HSRCTL 0x11 */
129 0x00, /* REG_HSGAIN 0x12 */
130 0x00, /* REG_EARCTL 0x13 */
131 0x00, /* REG_HFLCTL 0x14 */
132 0x00, /* REG_HFLGAIN 0x15 */
133 0x00, /* REG_HFRCTL 0x16 */
134 0x00, /* REG_HFRGAIN 0x17 */
135 0x00, /* REG_VIBCTLL 0x18 */
136 0x00, /* REG_VIBDATL 0x19 */
137 0x00, /* REG_VIBCTLR 0x1A */
138 0x00, /* REG_VIBDATR 0x1B */
139 0x00, /* REG_HKCTL1 0x1C */
140 0x00, /* REG_HKCTL2 0x1D */
141 0x00, /* REG_GPOCTL 0x1E */
142 0x00, /* REG_ALB 0x1F */
143 0x00, /* REG_DLB 0x20 */
144 0x00, /* not used 0x21 */
145 0x00, /* not used 0x22 */
146 0x00, /* not used 0x23 */
147 0x00, /* not used 0x24 */
148 0x00, /* not used 0x25 */
149 0x00, /* not used 0x26 */
150 0x00, /* not used 0x27 */
151 0x00, /* REG_TRIM1 0x28 */
152 0x00, /* REG_TRIM2 0x29 */
153 0x00, /* REG_TRIM3 0x2A */
154 0x00, /* REG_HSOTRIM 0x2B */
155 0x00, /* REG_HFOTRIM 0x2C */
156 0x09, /* REG_ACCCTL 0x2D */
157 0x00, /* REG_STATUS 0x2E (ro) */
158
159 0x00, /* REG_SW_SHADOW 0x2F - Shadow, non HW register */
160 };
161
162 /* List of registers to be restored after power up */
163 static const int twl6040_restore_list[] = {
164 TWL6040_REG_MICLCTL,
165 TWL6040_REG_MICRCTL,
166 TWL6040_REG_MICGAIN,
167 TWL6040_REG_LINEGAIN,
168 TWL6040_REG_HSLCTL,
169 TWL6040_REG_HSRCTL,
170 TWL6040_REG_HSGAIN,
171 TWL6040_REG_EARCTL,
172 TWL6040_REG_HFLCTL,
173 TWL6040_REG_HFLGAIN,
174 TWL6040_REG_HFRCTL,
175 TWL6040_REG_HFRGAIN,
176 };
177
178 /* set of rates for each pll: low-power and high-performance */
179 static unsigned int lp_rates[] = {
180 8000,
181 11250,
182 16000,
183 22500,
184 32000,
185 44100,
186 48000,
187 88200,
188 96000,
189 };
190
191 static unsigned int hp_rates[] = {
192 8000,
193 16000,
194 32000,
195 48000,
196 96000,
197 };
198
199 static struct snd_pcm_hw_constraint_list sysclk_constraints[] = {
200 { .count = ARRAY_SIZE(lp_rates), .list = lp_rates, },
201 { .count = ARRAY_SIZE(hp_rates), .list = hp_rates, },
202 };
203
204 /*
205 * read twl6040 register cache
206 */
207 static inline unsigned int twl6040_read_reg_cache(struct snd_soc_codec *codec,
208 unsigned int reg)
209 {
210 u8 *cache = codec->reg_cache;
211
212 if (reg >= TWL6040_CACHEREGNUM)
213 return -EIO;
214
215 return cache[reg];
216 }
217
218 /*
219 * write twl6040 register cache
220 */
221 static inline void twl6040_write_reg_cache(struct snd_soc_codec *codec,
222 u8 reg, u8 value)
223 {
224 u8 *cache = codec->reg_cache;
225
226 if (reg >= TWL6040_CACHEREGNUM)
227 return;
228 cache[reg] = value;
229 }
230
231 /*
232 * read from twl6040 hardware register
233 */
234 static int twl6040_read_reg_volatile(struct snd_soc_codec *codec,
235 unsigned int reg)
236 {
237 struct twl6040 *twl6040 = codec->control_data;
238 u8 value;
239
240 if (reg >= TWL6040_CACHEREGNUM)
241 return -EIO;
242
243 if (likely(reg < TWL6040_REG_SW_SHADOW)) {
244 value = twl6040_reg_read(twl6040, reg);
245 twl6040_write_reg_cache(codec, reg, value);
246 } else {
247 value = twl6040_read_reg_cache(codec, reg);
248 }
249
250 return value;
251 }
252
253 /*
254 * write to the twl6040 register space
255 */
256 static int twl6040_write(struct snd_soc_codec *codec,
257 unsigned int reg, unsigned int value)
258 {
259 struct twl6040 *twl6040 = codec->control_data;
260
261 if (reg >= TWL6040_CACHEREGNUM)
262 return -EIO;
263
264 twl6040_write_reg_cache(codec, reg, value);
265 if (likely(reg < TWL6040_REG_SW_SHADOW))
266 return twl6040_reg_write(twl6040, reg, value);
267 else
268 return 0;
269 }
270
271 static void twl6040_init_chip(struct snd_soc_codec *codec)
272 {
273 struct twl6040 *twl6040 = codec->control_data;
274 u8 val;
275
276 /* Update reg_cache: ASICREV, and TRIM values */
277 val = twl6040_get_revid(twl6040);
278 twl6040_write_reg_cache(codec, TWL6040_REG_ASICREV, val);
279
280 twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM1);
281 twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM2);
282 twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM3);
283 twl6040_read_reg_volatile(codec, TWL6040_REG_HSOTRIM);
284 twl6040_read_reg_volatile(codec, TWL6040_REG_HFOTRIM);
285
286 /* Change chip defaults */
287 /* No imput selected for microphone amplifiers */
288 twl6040_write_reg_cache(codec, TWL6040_REG_MICLCTL, 0x18);
289 twl6040_write_reg_cache(codec, TWL6040_REG_MICRCTL, 0x18);
290
291 /*
292 * We need to lower the default gain values, so the ramp code
293 * can work correctly for the first playback.
294 * This reduces the pop noise heard at the first playback.
295 */
296 twl6040_write_reg_cache(codec, TWL6040_REG_HSGAIN, 0xff);
297 twl6040_write_reg_cache(codec, TWL6040_REG_EARCTL, 0x1e);
298 twl6040_write_reg_cache(codec, TWL6040_REG_HFLGAIN, 0x1d);
299 twl6040_write_reg_cache(codec, TWL6040_REG_HFRGAIN, 0x1d);
300 twl6040_write_reg_cache(codec, TWL6040_REG_LINEGAIN, 0);
301 }
302
303 static void twl6040_restore_regs(struct snd_soc_codec *codec)
304 {
305 u8 *cache = codec->reg_cache;
306 int reg, i;
307
308 for (i = 0; i < ARRAY_SIZE(twl6040_restore_list); i++) {
309 reg = twl6040_restore_list[i];
310 twl6040_write(codec, reg, cache[reg]);
311 }
312 }
313
314 /*
315 * Ramp HS PGA volume to minimise pops at stream startup and shutdown.
316 */
317 static inline int twl6040_hs_ramp_step(struct snd_soc_codec *codec,
318 unsigned int left_step, unsigned int right_step)
319 {
320
321 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
322 struct twl6040_output *headset = &priv->headset;
323 int left_complete = 0, right_complete = 0;
324 u8 reg, val;
325
326 /* left channel */
327 left_step = (left_step > 0xF) ? 0xF : left_step;
328 reg = twl6040_read_reg_cache(codec, TWL6040_REG_HSGAIN);
329 val = (~reg & TWL6040_HSL_VOL_MASK);
330
331 if (headset->ramp == TWL6040_RAMP_UP) {
332 /* ramp step up */
333 if (val < headset->left_vol) {
334 if (val + left_step > headset->left_vol)
335 val = headset->left_vol;
336 else
337 val += left_step;
338
339 reg &= ~TWL6040_HSL_VOL_MASK;
340 twl6040_write(codec, TWL6040_REG_HSGAIN,
341 (reg | (~val & TWL6040_HSL_VOL_MASK)));
342 } else {
343 left_complete = 1;
344 }
345 } else if (headset->ramp == TWL6040_RAMP_DOWN) {
346 /* ramp step down */
347 if (val > 0x0) {
348 if ((int)val - (int)left_step < 0)
349 val = 0;
350 else
351 val -= left_step;
352
353 reg &= ~TWL6040_HSL_VOL_MASK;
354 twl6040_write(codec, TWL6040_REG_HSGAIN, reg |
355 (~val & TWL6040_HSL_VOL_MASK));
356 } else {
357 left_complete = 1;
358 }
359 }
360
361 /* right channel */
362 right_step = (right_step > 0xF) ? 0xF : right_step;
363 reg = twl6040_read_reg_cache(codec, TWL6040_REG_HSGAIN);
364 val = (~reg & TWL6040_HSR_VOL_MASK) >> TWL6040_HSR_VOL_SHIFT;
365
366 if (headset->ramp == TWL6040_RAMP_UP) {
367 /* ramp step up */
368 if (val < headset->right_vol) {
369 if (val + right_step > headset->right_vol)
370 val = headset->right_vol;
371 else
372 val += right_step;
373
374 reg &= ~TWL6040_HSR_VOL_MASK;
375 twl6040_write(codec, TWL6040_REG_HSGAIN,
376 (reg | (~val << TWL6040_HSR_VOL_SHIFT)));
377 } else {
378 right_complete = 1;
379 }
380 } else if (headset->ramp == TWL6040_RAMP_DOWN) {
381 /* ramp step down */
382 if (val > 0x0) {
383 if ((int)val - (int)right_step < 0)
384 val = 0;
385 else
386 val -= right_step;
387
388 reg &= ~TWL6040_HSR_VOL_MASK;
389 twl6040_write(codec, TWL6040_REG_HSGAIN,
390 reg | (~val << TWL6040_HSR_VOL_SHIFT));
391 } else {
392 right_complete = 1;
393 }
394 }
395
396 return left_complete & right_complete;
397 }
398
399 /*
400 * Ramp HF PGA volume to minimise pops at stream startup and shutdown.
401 */
402 static inline int twl6040_hf_ramp_step(struct snd_soc_codec *codec,
403 unsigned int left_step, unsigned int right_step)
404 {
405 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
406 struct twl6040_output *handsfree = &priv->handsfree;
407 int left_complete = 0, right_complete = 0;
408 u16 reg, val;
409
410 /* left channel */
411 left_step = (left_step > 0x1D) ? 0x1D : left_step;
412 reg = twl6040_read_reg_cache(codec, TWL6040_REG_HFLGAIN);
413 reg = 0x1D - reg;
414 val = (reg & TWL6040_HF_VOL_MASK);
415 if (handsfree->ramp == TWL6040_RAMP_UP) {
416 /* ramp step up */
417 if (val < handsfree->left_vol) {
418 if (val + left_step > handsfree->left_vol)
419 val = handsfree->left_vol;
420 else
421 val += left_step;
422
423 reg &= ~TWL6040_HF_VOL_MASK;
424 twl6040_write(codec, TWL6040_REG_HFLGAIN,
425 reg | (0x1D - val));
426 } else {
427 left_complete = 1;
428 }
429 } else if (handsfree->ramp == TWL6040_RAMP_DOWN) {
430 /* ramp step down */
431 if (val > 0) {
432 if ((int)val - (int)left_step < 0)
433 val = 0;
434 else
435 val -= left_step;
436
437 reg &= ~TWL6040_HF_VOL_MASK;
438 twl6040_write(codec, TWL6040_REG_HFLGAIN,
439 reg | (0x1D - val));
440 } else {
441 left_complete = 1;
442 }
443 }
444
445 /* right channel */
446 right_step = (right_step > 0x1D) ? 0x1D : right_step;
447 reg = twl6040_read_reg_cache(codec, TWL6040_REG_HFRGAIN);
448 reg = 0x1D - reg;
449 val = (reg & TWL6040_HF_VOL_MASK);
450 if (handsfree->ramp == TWL6040_RAMP_UP) {
451 /* ramp step up */
452 if (val < handsfree->right_vol) {
453 if (val + right_step > handsfree->right_vol)
454 val = handsfree->right_vol;
455 else
456 val += right_step;
457
458 reg &= ~TWL6040_HF_VOL_MASK;
459 twl6040_write(codec, TWL6040_REG_HFRGAIN,
460 reg | (0x1D - val));
461 } else {
462 right_complete = 1;
463 }
464 } else if (handsfree->ramp == TWL6040_RAMP_DOWN) {
465 /* ramp step down */
466 if (val > 0) {
467 if ((int)val - (int)right_step < 0)
468 val = 0;
469 else
470 val -= right_step;
471
472 reg &= ~TWL6040_HF_VOL_MASK;
473 twl6040_write(codec, TWL6040_REG_HFRGAIN,
474 reg | (0x1D - val));
475 }
476 }
477
478 return left_complete & right_complete;
479 }
480
481 /*
482 * This work ramps both output PGAs at stream start/stop time to
483 * minimise pop associated with DAPM power switching.
484 */
485 static void twl6040_pga_hs_work(struct work_struct *work)
486 {
487 struct twl6040_data *priv =
488 container_of(work, struct twl6040_data, headset.work.work);
489 struct snd_soc_codec *codec = priv->codec;
490 struct twl6040_output *headset = &priv->headset;
491 int i, headset_complete;
492
493 /* do we need to ramp at all ? */
494 if (headset->ramp == TWL6040_RAMP_NONE)
495 return;
496
497 /* HS PGA gain range: 0x0 - 0xf (0 - 15) */
498 for (i = 0; i < 16; i++) {
499 headset_complete = twl6040_hs_ramp_step(codec,
500 headset->left_step,
501 headset->right_step);
502
503 /* ramp finished ? */
504 if (headset_complete)
505 break;
506
507 schedule_timeout_interruptible(
508 msecs_to_jiffies(headset->step_delay));
509 }
510
511 if (headset->ramp == TWL6040_RAMP_DOWN) {
512 headset->active = 0;
513 complete(&headset->ramp_done);
514 } else {
515 headset->active = 1;
516 }
517 headset->ramp = TWL6040_RAMP_NONE;
518 }
519
520 static void twl6040_pga_hf_work(struct work_struct *work)
521 {
522 struct twl6040_data *priv =
523 container_of(work, struct twl6040_data, handsfree.work.work);
524 struct snd_soc_codec *codec = priv->codec;
525 struct twl6040_output *handsfree = &priv->handsfree;
526 int i, handsfree_complete;
527
528 /* do we need to ramp at all ? */
529 if (handsfree->ramp == TWL6040_RAMP_NONE)
530 return;
531
532 /*
533 * HF PGA gain range: 0x00 - 0x1d (0 - 29) */
534 for (i = 0; i < 30; i++) {
535 handsfree_complete = twl6040_hf_ramp_step(codec,
536 handsfree->left_step,
537 handsfree->right_step);
538
539 /* ramp finished ? */
540 if (handsfree_complete)
541 break;
542
543 schedule_timeout_interruptible(
544 msecs_to_jiffies(handsfree->step_delay));
545 }
546
547
548 if (handsfree->ramp == TWL6040_RAMP_DOWN) {
549 handsfree->active = 0;
550 complete(&handsfree->ramp_done);
551 } else
552 handsfree->active = 1;
553 handsfree->ramp = TWL6040_RAMP_NONE;
554 }
555
556 static int out_drv_event(struct snd_soc_dapm_widget *w,
557 struct snd_kcontrol *kcontrol, int event)
558 {
559 struct snd_soc_codec *codec = w->codec;
560 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
561 struct twl6040_output *out;
562 struct delayed_work *work;
563
564 switch (w->shift) {
565 case 2: /* Headset output driver */
566 out = &priv->headset;
567 work = &out->work;
568 /*
569 * Make sure, that we do not mess up variables for already
570 * executing work.
571 */
572 cancel_delayed_work_sync(work);
573
574 out->left_step = priv->hs_left_step;
575 out->right_step = priv->hs_right_step;
576 out->step_delay = 5; /* 5 ms between volume ramp steps */
577 break;
578 case 4: /* Handsfree output driver */
579 out = &priv->handsfree;
580 work = &out->work;
581 /*
582 * Make sure, that we do not mess up variables for already
583 * executing work.
584 */
585 cancel_delayed_work_sync(work);
586
587 out->left_step = priv->hf_left_step;
588 out->right_step = priv->hf_right_step;
589 out->step_delay = 5; /* 5 ms between volume ramp steps */
590 break;
591 default:
592 return -1;
593 }
594
595 switch (event) {
596 case SND_SOC_DAPM_POST_PMU:
597 if (out->active)
598 break;
599
600 /* don't use volume ramp for power-up */
601 out->ramp = TWL6040_RAMP_UP;
602 out->left_step = out->left_vol;
603 out->right_step = out->right_vol;
604
605 queue_delayed_work(priv->workqueue, work, msecs_to_jiffies(1));
606 break;
607
608 case SND_SOC_DAPM_PRE_PMD:
609 if (!out->active)
610 break;
611
612 /* use volume ramp for power-down */
613 out->ramp = TWL6040_RAMP_DOWN;
614 INIT_COMPLETION(out->ramp_done);
615
616 queue_delayed_work(priv->workqueue, work, msecs_to_jiffies(1));
617
618 wait_for_completion_timeout(&out->ramp_done,
619 msecs_to_jiffies(2000));
620 break;
621 }
622
623 return 0;
624 }
625
626 /* set headset dac and driver power mode */
627 static int headset_power_mode(struct snd_soc_codec *codec, int high_perf)
628 {
629 int hslctl, hsrctl;
630 int mask = TWL6040_HSDRVMODE | TWL6040_HSDACMODE;
631
632 hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL);
633 hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL);
634
635 if (high_perf) {
636 hslctl &= ~mask;
637 hsrctl &= ~mask;
638 } else {
639 hslctl |= mask;
640 hsrctl |= mask;
641 }
642
643 twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl);
644 twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl);
645
646 return 0;
647 }
648
649 static int twl6040_hs_dac_event(struct snd_soc_dapm_widget *w,
650 struct snd_kcontrol *kcontrol, int event)
651 {
652 struct snd_soc_codec *codec = w->codec;
653 u8 hslctl, hsrctl;
654
655 /*
656 * Workaround for Headset DC offset caused pop noise:
657 * Both HS DAC need to be turned on (before the HS driver) and off at
658 * the same time.
659 */
660 hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL);
661 hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL);
662 if (SND_SOC_DAPM_EVENT_ON(event)) {
663 hslctl |= TWL6040_HSDACENA;
664 hsrctl |= TWL6040_HSDACENA;
665 } else {
666 hslctl &= ~TWL6040_HSDACENA;
667 hsrctl &= ~TWL6040_HSDACENA;
668 }
669 twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl);
670 twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl);
671
672 msleep(1);
673 return 0;
674 }
675
676 static int twl6040_ep_drv_event(struct snd_soc_dapm_widget *w,
677 struct snd_kcontrol *kcontrol, int event)
678 {
679 struct snd_soc_codec *codec = w->codec;
680 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
681 int ret = 0;
682
683 if (SND_SOC_DAPM_EVENT_ON(event)) {
684 /* Earphone doesn't support low power mode */
685 priv->hs_power_mode_locked = 1;
686 ret = headset_power_mode(codec, 1);
687 } else {
688 priv->hs_power_mode_locked = 0;
689 ret = headset_power_mode(codec, priv->hs_power_mode);
690 }
691
692 msleep(1);
693
694 return ret;
695 }
696
697 static void twl6040_hs_jack_report(struct snd_soc_codec *codec,
698 struct snd_soc_jack *jack, int report)
699 {
700 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
701 int status;
702
703 mutex_lock(&priv->mutex);
704
705 /* Sync status */
706 status = twl6040_read_reg_volatile(codec, TWL6040_REG_STATUS);
707 if (status & TWL6040_PLUGCOMP)
708 snd_soc_jack_report(jack, report, report);
709 else
710 snd_soc_jack_report(jack, 0, report);
711
712 mutex_unlock(&priv->mutex);
713 }
714
715 void twl6040_hs_jack_detect(struct snd_soc_codec *codec,
716 struct snd_soc_jack *jack, int report)
717 {
718 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
719 struct twl6040_jack_data *hs_jack = &priv->hs_jack;
720
721 hs_jack->jack = jack;
722 hs_jack->report = report;
723
724 twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
725 }
726 EXPORT_SYMBOL_GPL(twl6040_hs_jack_detect);
727
728 static void twl6040_accessory_work(struct work_struct *work)
729 {
730 struct twl6040_data *priv = container_of(work,
731 struct twl6040_data, hs_jack.work.work);
732 struct snd_soc_codec *codec = priv->codec;
733 struct twl6040_jack_data *hs_jack = &priv->hs_jack;
734
735 twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
736 }
737
738 /* audio interrupt handler */
739 static irqreturn_t twl6040_audio_handler(int irq, void *data)
740 {
741 struct snd_soc_codec *codec = data;
742 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
743
744 queue_delayed_work(priv->workqueue, &priv->hs_jack.work,
745 msecs_to_jiffies(200));
746
747 return IRQ_HANDLED;
748 }
749
750 static int twl6040_put_volsw(struct snd_kcontrol *kcontrol,
751 struct snd_ctl_elem_value *ucontrol)
752 {
753 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
754 struct twl6040_data *twl6040_priv = snd_soc_codec_get_drvdata(codec);
755 struct twl6040_output *out = NULL;
756 struct soc_mixer_control *mc =
757 (struct soc_mixer_control *)kcontrol->private_value;
758 int ret;
759
760 /* For HS and HF we shadow the values and only actually write
761 * them out when active in order to ensure the amplifier comes on
762 * as quietly as possible. */
763 switch (mc->reg) {
764 case TWL6040_REG_HSGAIN:
765 out = &twl6040_priv->headset;
766 break;
767 case TWL6040_REG_HFLGAIN:
768 out = &twl6040_priv->handsfree;
769 break;
770 default:
771 dev_warn(codec->dev, "%s: Unexpected register: 0x%02x\n",
772 __func__, mc->reg);
773 return -EINVAL;
774 }
775
776 out->left_vol = ucontrol->value.integer.value[0];
777 out->right_vol = ucontrol->value.integer.value[1];
778 if (!out->active)
779 return 1;
780
781 ret = snd_soc_put_volsw(kcontrol, ucontrol);
782 if (ret < 0)
783 return ret;
784
785 return 1;
786 }
787
788 static int twl6040_get_volsw(struct snd_kcontrol *kcontrol,
789 struct snd_ctl_elem_value *ucontrol)
790 {
791 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
792 struct twl6040_data *twl6040_priv = snd_soc_codec_get_drvdata(codec);
793 struct twl6040_output *out = &twl6040_priv->headset;
794 struct soc_mixer_control *mc =
795 (struct soc_mixer_control *)kcontrol->private_value;
796
797 switch (mc->reg) {
798 case TWL6040_REG_HSGAIN:
799 out = &twl6040_priv->headset;
800 break;
801 case TWL6040_REG_HFLGAIN:
802 out = &twl6040_priv->handsfree;
803 break;
804 default:
805 dev_warn(codec->dev, "%s: Unexpected register: 0x%02x\n",
806 __func__, mc->reg);
807 return -EINVAL;
808 }
809
810 ucontrol->value.integer.value[0] = out->left_vol;
811 ucontrol->value.integer.value[1] = out->right_vol;
812 return 0;
813 }
814
815 static int twl6040_soc_dapm_put_vibra_enum(struct snd_kcontrol *kcontrol,
816 struct snd_ctl_elem_value *ucontrol)
817 {
818 struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
819 struct snd_soc_dapm_widget *widget = wlist->widgets[0];
820 struct snd_soc_codec *codec = widget->codec;
821 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
822 unsigned int val;
823
824 /* Do not allow changes while Input/FF efect is running */
825 val = twl6040_read_reg_volatile(codec, e->reg);
826 if (val & TWL6040_VIBENA && !(val & TWL6040_VIBSEL))
827 return -EBUSY;
828
829 return snd_soc_dapm_put_enum_double(kcontrol, ucontrol);
830 }
831
832 /*
833 * MICATT volume control:
834 * from -6 to 0 dB in 6 dB steps
835 */
836 static DECLARE_TLV_DB_SCALE(mic_preamp_tlv, -600, 600, 0);
837
838 /*
839 * MICGAIN volume control:
840 * from 6 to 30 dB in 6 dB steps
841 */
842 static DECLARE_TLV_DB_SCALE(mic_amp_tlv, 600, 600, 0);
843
844 /*
845 * AFMGAIN volume control:
846 * from -18 to 24 dB in 6 dB steps
847 */
848 static DECLARE_TLV_DB_SCALE(afm_amp_tlv, -1800, 600, 0);
849
850 /*
851 * HSGAIN volume control:
852 * from -30 to 0 dB in 2 dB steps
853 */
854 static DECLARE_TLV_DB_SCALE(hs_tlv, -3000, 200, 0);
855
856 /*
857 * HFGAIN volume control:
858 * from -52 to 6 dB in 2 dB steps
859 */
860 static DECLARE_TLV_DB_SCALE(hf_tlv, -5200, 200, 0);
861
862 /*
863 * EPGAIN volume control:
864 * from -24 to 6 dB in 2 dB steps
865 */
866 static DECLARE_TLV_DB_SCALE(ep_tlv, -2400, 200, 0);
867
868 /* Left analog microphone selection */
869 static const char *twl6040_amicl_texts[] =
870 {"Headset Mic", "Main Mic", "Aux/FM Left", "Off"};
871
872 /* Right analog microphone selection */
873 static const char *twl6040_amicr_texts[] =
874 {"Headset Mic", "Sub Mic", "Aux/FM Right", "Off"};
875
876 static const struct soc_enum twl6040_enum[] = {
877 SOC_ENUM_SINGLE(TWL6040_REG_MICLCTL, 3, 4, twl6040_amicl_texts),
878 SOC_ENUM_SINGLE(TWL6040_REG_MICRCTL, 3, 4, twl6040_amicr_texts),
879 };
880
881 static const char *twl6040_hs_texts[] = {
882 "Off", "HS DAC", "Line-In amp"
883 };
884
885 static const struct soc_enum twl6040_hs_enum[] = {
886 SOC_ENUM_SINGLE(TWL6040_REG_HSLCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
887 twl6040_hs_texts),
888 SOC_ENUM_SINGLE(TWL6040_REG_HSRCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
889 twl6040_hs_texts),
890 };
891
892 static const char *twl6040_hf_texts[] = {
893 "Off", "HF DAC", "Line-In amp"
894 };
895
896 static const struct soc_enum twl6040_hf_enum[] = {
897 SOC_ENUM_SINGLE(TWL6040_REG_HFLCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
898 twl6040_hf_texts),
899 SOC_ENUM_SINGLE(TWL6040_REG_HFRCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
900 twl6040_hf_texts),
901 };
902
903 static const char *twl6040_vibrapath_texts[] = {
904 "Input FF", "Audio PDM"
905 };
906
907 static const struct soc_enum twl6040_vibra_enum[] = {
908 SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLL, 1,
909 ARRAY_SIZE(twl6040_vibrapath_texts),
910 twl6040_vibrapath_texts),
911 SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLR, 1,
912 ARRAY_SIZE(twl6040_vibrapath_texts),
913 twl6040_vibrapath_texts),
914 };
915
916 static const struct snd_kcontrol_new amicl_control =
917 SOC_DAPM_ENUM("Route", twl6040_enum[0]);
918
919 static const struct snd_kcontrol_new amicr_control =
920 SOC_DAPM_ENUM("Route", twl6040_enum[1]);
921
922 /* Headset DAC playback switches */
923 static const struct snd_kcontrol_new hsl_mux_controls =
924 SOC_DAPM_ENUM("Route", twl6040_hs_enum[0]);
925
926 static const struct snd_kcontrol_new hsr_mux_controls =
927 SOC_DAPM_ENUM("Route", twl6040_hs_enum[1]);
928
929 /* Handsfree DAC playback switches */
930 static const struct snd_kcontrol_new hfl_mux_controls =
931 SOC_DAPM_ENUM("Route", twl6040_hf_enum[0]);
932
933 static const struct snd_kcontrol_new hfr_mux_controls =
934 SOC_DAPM_ENUM("Route", twl6040_hf_enum[1]);
935
936 static const struct snd_kcontrol_new ep_path_enable_control =
937 SOC_DAPM_SINGLE("Switch", TWL6040_REG_SW_SHADOW, 0, 1, 0);
938
939 static const struct snd_kcontrol_new auxl_switch_control =
940 SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFLCTL, 6, 1, 0);
941
942 static const struct snd_kcontrol_new auxr_switch_control =
943 SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFRCTL, 6, 1, 0);
944
945 /* Vibra playback switches */
946 static const struct snd_kcontrol_new vibral_mux_controls =
947 SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[0],
948 snd_soc_dapm_get_enum_double,
949 twl6040_soc_dapm_put_vibra_enum);
950
951 static const struct snd_kcontrol_new vibrar_mux_controls =
952 SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[1],
953 snd_soc_dapm_get_enum_double,
954 twl6040_soc_dapm_put_vibra_enum);
955
956 /* Headset power mode */
957 static const char *twl6040_power_mode_texts[] = {
958 "Low-Power", "High-Perfomance",
959 };
960
961 static const struct soc_enum twl6040_power_mode_enum =
962 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(twl6040_power_mode_texts),
963 twl6040_power_mode_texts);
964
965 static int twl6040_headset_power_get_enum(struct snd_kcontrol *kcontrol,
966 struct snd_ctl_elem_value *ucontrol)
967 {
968 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
969 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
970
971 ucontrol->value.enumerated.item[0] = priv->hs_power_mode;
972
973 return 0;
974 }
975
976 static int twl6040_headset_power_put_enum(struct snd_kcontrol *kcontrol,
977 struct snd_ctl_elem_value *ucontrol)
978 {
979 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
980 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
981 int high_perf = ucontrol->value.enumerated.item[0];
982 int ret = 0;
983
984 if (!priv->hs_power_mode_locked)
985 ret = headset_power_mode(codec, high_perf);
986
987 if (!ret)
988 priv->hs_power_mode = high_perf;
989
990 return ret;
991 }
992
993 static int twl6040_pll_get_enum(struct snd_kcontrol *kcontrol,
994 struct snd_ctl_elem_value *ucontrol)
995 {
996 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
997 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
998
999 ucontrol->value.enumerated.item[0] = priv->pll_power_mode;
1000
1001 return 0;
1002 }
1003
1004 static int twl6040_pll_put_enum(struct snd_kcontrol *kcontrol,
1005 struct snd_ctl_elem_value *ucontrol)
1006 {
1007 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
1008 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1009
1010 priv->pll_power_mode = ucontrol->value.enumerated.item[0];
1011
1012 return 0;
1013 }
1014
1015 int twl6040_get_dl1_gain(struct snd_soc_codec *codec)
1016 {
1017 struct snd_soc_dapm_context *dapm = &codec->dapm;
1018
1019 if (snd_soc_dapm_get_pin_status(dapm, "EP"))
1020 return -1; /* -1dB */
1021
1022 if (snd_soc_dapm_get_pin_status(dapm, "HSOR") ||
1023 snd_soc_dapm_get_pin_status(dapm, "HSOL")) {
1024
1025 u8 val = snd_soc_read(codec, TWL6040_REG_HSLCTL);
1026 if (val & TWL6040_HSDACMODE)
1027 /* HSDACL in LP mode */
1028 return -8; /* -8dB */
1029 else
1030 /* HSDACL in HP mode */
1031 return -1; /* -1dB */
1032 }
1033 return 0; /* 0dB */
1034 }
1035 EXPORT_SYMBOL_GPL(twl6040_get_dl1_gain);
1036
1037 int twl6040_get_clk_id(struct snd_soc_codec *codec)
1038 {
1039 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1040
1041 return priv->pll_power_mode;
1042 }
1043 EXPORT_SYMBOL_GPL(twl6040_get_clk_id);
1044
1045 int twl6040_get_trim_value(struct snd_soc_codec *codec, enum twl6040_trim trim)
1046 {
1047 if (unlikely(trim >= TWL6040_TRIM_INVAL))
1048 return -EINVAL;
1049
1050 return twl6040_read_reg_cache(codec, TWL6040_REG_TRIM1 + trim);
1051 }
1052 EXPORT_SYMBOL_GPL(twl6040_get_trim_value);
1053
1054 int twl6040_get_hs_step_size(struct snd_soc_codec *codec)
1055 {
1056 struct twl6040 *twl6040 = codec->control_data;
1057
1058 if (twl6040_get_revid(twl6040) < TWL6040_REV_ES1_2)
1059 /* For ES under ES_1.3 HS step is 2 mV */
1060 return 2;
1061 else
1062 /* For ES_1.3 HS step is 1 mV */
1063 return 1;
1064 }
1065 EXPORT_SYMBOL_GPL(twl6040_get_hs_step_size);
1066
1067 static const struct snd_kcontrol_new twl6040_snd_controls[] = {
1068 /* Capture gains */
1069 SOC_DOUBLE_TLV("Capture Preamplifier Volume",
1070 TWL6040_REG_MICGAIN, 6, 7, 1, 1, mic_preamp_tlv),
1071 SOC_DOUBLE_TLV("Capture Volume",
1072 TWL6040_REG_MICGAIN, 0, 3, 4, 0, mic_amp_tlv),
1073
1074 /* AFM gains */
1075 SOC_DOUBLE_TLV("Aux FM Volume",
1076 TWL6040_REG_LINEGAIN, 0, 3, 7, 0, afm_amp_tlv),
1077
1078 /* Playback gains */
1079 SOC_DOUBLE_EXT_TLV("Headset Playback Volume",
1080 TWL6040_REG_HSGAIN, 0, 4, 0xF, 1, twl6040_get_volsw,
1081 twl6040_put_volsw, hs_tlv),
1082 SOC_DOUBLE_R_EXT_TLV("Handsfree Playback Volume",
1083 TWL6040_REG_HFLGAIN, TWL6040_REG_HFRGAIN, 0, 0x1D, 1,
1084 twl6040_get_volsw, twl6040_put_volsw, hf_tlv),
1085 SOC_SINGLE_TLV("Earphone Playback Volume",
1086 TWL6040_REG_EARCTL, 1, 0xF, 1, ep_tlv),
1087
1088 SOC_ENUM_EXT("Headset Power Mode", twl6040_power_mode_enum,
1089 twl6040_headset_power_get_enum,
1090 twl6040_headset_power_put_enum),
1091
1092 SOC_ENUM_EXT("PLL Selection", twl6040_power_mode_enum,
1093 twl6040_pll_get_enum, twl6040_pll_put_enum),
1094 };
1095
1096 static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
1097 /* Inputs */
1098 SND_SOC_DAPM_INPUT("MAINMIC"),
1099 SND_SOC_DAPM_INPUT("HSMIC"),
1100 SND_SOC_DAPM_INPUT("SUBMIC"),
1101 SND_SOC_DAPM_INPUT("AFML"),
1102 SND_SOC_DAPM_INPUT("AFMR"),
1103
1104 /* Outputs */
1105 SND_SOC_DAPM_OUTPUT("HSOL"),
1106 SND_SOC_DAPM_OUTPUT("HSOR"),
1107 SND_SOC_DAPM_OUTPUT("HFL"),
1108 SND_SOC_DAPM_OUTPUT("HFR"),
1109 SND_SOC_DAPM_OUTPUT("EP"),
1110 SND_SOC_DAPM_OUTPUT("AUXL"),
1111 SND_SOC_DAPM_OUTPUT("AUXR"),
1112 SND_SOC_DAPM_OUTPUT("VIBRAL"),
1113 SND_SOC_DAPM_OUTPUT("VIBRAR"),
1114
1115 /* Analog input muxes for the capture amplifiers */
1116 SND_SOC_DAPM_MUX("Analog Left Capture Route",
1117 SND_SOC_NOPM, 0, 0, &amicl_control),
1118 SND_SOC_DAPM_MUX("Analog Right Capture Route",
1119 SND_SOC_NOPM, 0, 0, &amicr_control),
1120
1121 /* Analog capture PGAs */
1122 SND_SOC_DAPM_PGA("MicAmpL",
1123 TWL6040_REG_MICLCTL, 0, 0, NULL, 0),
1124 SND_SOC_DAPM_PGA("MicAmpR",
1125 TWL6040_REG_MICRCTL, 0, 0, NULL, 0),
1126
1127 /* Auxiliary FM PGAs */
1128 SND_SOC_DAPM_PGA("AFMAmpL",
1129 TWL6040_REG_MICLCTL, 1, 0, NULL, 0),
1130 SND_SOC_DAPM_PGA("AFMAmpR",
1131 TWL6040_REG_MICRCTL, 1, 0, NULL, 0),
1132
1133 /* ADCs */
1134 SND_SOC_DAPM_ADC("ADC Left", "Left Front Capture",
1135 TWL6040_REG_MICLCTL, 2, 0),
1136 SND_SOC_DAPM_ADC("ADC Right", "Right Front Capture",
1137 TWL6040_REG_MICRCTL, 2, 0),
1138
1139 /* Microphone bias */
1140 SND_SOC_DAPM_SUPPLY("Headset Mic Bias",
1141 TWL6040_REG_AMICBCTL, 0, 0, NULL, 0),
1142 SND_SOC_DAPM_SUPPLY("Main Mic Bias",
1143 TWL6040_REG_AMICBCTL, 4, 0, NULL, 0),
1144 SND_SOC_DAPM_SUPPLY("Digital Mic1 Bias",
1145 TWL6040_REG_DMICBCTL, 0, 0, NULL, 0),
1146 SND_SOC_DAPM_SUPPLY("Digital Mic2 Bias",
1147 TWL6040_REG_DMICBCTL, 4, 0, NULL, 0),
1148
1149 /* DACs */
1150 SND_SOC_DAPM_DAC("HSDAC Left", "Headset Playback", SND_SOC_NOPM, 0, 0),
1151 SND_SOC_DAPM_DAC("HSDAC Right", "Headset Playback", SND_SOC_NOPM, 0, 0),
1152 SND_SOC_DAPM_DAC("HFDAC Left", "Handsfree Playback",
1153 TWL6040_REG_HFLCTL, 0, 0),
1154 SND_SOC_DAPM_DAC("HFDAC Right", "Handsfree Playback",
1155 TWL6040_REG_HFRCTL, 0, 0),
1156 /* Virtual DAC for vibra path (DL4 channel) */
1157 SND_SOC_DAPM_DAC("VIBRA DAC", "Vibra Playback",
1158 SND_SOC_NOPM, 0, 0),
1159
1160 SND_SOC_DAPM_MUX("Handsfree Left Playback",
1161 SND_SOC_NOPM, 0, 0, &hfl_mux_controls),
1162 SND_SOC_DAPM_MUX("Handsfree Right Playback",
1163 SND_SOC_NOPM, 0, 0, &hfr_mux_controls),
1164 /* Analog playback Muxes */
1165 SND_SOC_DAPM_MUX("Headset Left Playback",
1166 SND_SOC_NOPM, 0, 0, &hsl_mux_controls),
1167 SND_SOC_DAPM_MUX("Headset Right Playback",
1168 SND_SOC_NOPM, 0, 0, &hsr_mux_controls),
1169
1170 SND_SOC_DAPM_MUX("Vibra Left Playback", SND_SOC_NOPM, 0, 0,
1171 &vibral_mux_controls),
1172 SND_SOC_DAPM_MUX("Vibra Right Playback", SND_SOC_NOPM, 0, 0,
1173 &vibrar_mux_controls),
1174
1175 SND_SOC_DAPM_SWITCH("Earphone Playback", SND_SOC_NOPM, 0, 0,
1176 &ep_path_enable_control),
1177 SND_SOC_DAPM_SWITCH("AUXL Playback", SND_SOC_NOPM, 0, 0,
1178 &auxl_switch_control),
1179 SND_SOC_DAPM_SWITCH("AUXR Playback", SND_SOC_NOPM, 0, 0,
1180 &auxr_switch_control),
1181
1182 /* Analog playback drivers */
1183 SND_SOC_DAPM_OUT_DRV_E("HF Left Driver",
1184 TWL6040_REG_HFLCTL, 4, 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("HF Right Driver",
1188 TWL6040_REG_HFRCTL, 4, 0, NULL, 0,
1189 out_drv_event,
1190 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1191 SND_SOC_DAPM_OUT_DRV_E("HS Left Driver",
1192 TWL6040_REG_HSLCTL, 2, 0, NULL, 0,
1193 out_drv_event,
1194 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1195 SND_SOC_DAPM_OUT_DRV_E("HS Right Driver",
1196 TWL6040_REG_HSRCTL, 2, 0, NULL, 0,
1197 out_drv_event,
1198 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1199 SND_SOC_DAPM_OUT_DRV_E("Earphone Driver",
1200 TWL6040_REG_EARCTL, 0, 0, NULL, 0,
1201 twl6040_ep_drv_event,
1202 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
1203 SND_SOC_DAPM_OUT_DRV("Vibra Left Driver",
1204 TWL6040_REG_VIBCTLL, 0, 0, NULL, 0),
1205 SND_SOC_DAPM_OUT_DRV("Vibra Right Driver",
1206 TWL6040_REG_VIBCTLR, 0, 0, NULL, 0),
1207
1208 SND_SOC_DAPM_SUPPLY("Vibra Left Control", TWL6040_REG_VIBCTLL, 2, 0,
1209 NULL, 0),
1210 SND_SOC_DAPM_SUPPLY("Vibra Right Control", TWL6040_REG_VIBCTLR, 2, 0,
1211 NULL, 0),
1212 SND_SOC_DAPM_SUPPLY_S("HSDAC Power", 1, SND_SOC_NOPM, 0, 0,
1213 twl6040_hs_dac_event,
1214 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1215
1216 /* Analog playback PGAs */
1217 SND_SOC_DAPM_PGA("HF Left PGA",
1218 TWL6040_REG_HFLCTL, 1, 0, NULL, 0),
1219 SND_SOC_DAPM_PGA("HF Right PGA",
1220 TWL6040_REG_HFRCTL, 1, 0, NULL, 0),
1221
1222 };
1223
1224 static const struct snd_soc_dapm_route intercon[] = {
1225 /* Capture path */
1226 {"Analog Left Capture Route", "Headset Mic", "HSMIC"},
1227 {"Analog Left Capture Route", "Main Mic", "MAINMIC"},
1228 {"Analog Left Capture Route", "Aux/FM Left", "AFML"},
1229
1230 {"Analog Right Capture Route", "Headset Mic", "HSMIC"},
1231 {"Analog Right Capture Route", "Sub Mic", "SUBMIC"},
1232 {"Analog Right Capture Route", "Aux/FM Right", "AFMR"},
1233
1234 {"MicAmpL", NULL, "Analog Left Capture Route"},
1235 {"MicAmpR", NULL, "Analog Right Capture Route"},
1236
1237 {"ADC Left", NULL, "MicAmpL"},
1238 {"ADC Right", NULL, "MicAmpR"},
1239
1240 /* AFM path */
1241 {"AFMAmpL", NULL, "AFML"},
1242 {"AFMAmpR", NULL, "AFMR"},
1243
1244 {"HSDAC Left", NULL, "HSDAC Power"},
1245 {"HSDAC Right", NULL, "HSDAC Power"},
1246
1247 {"Headset Left Playback", "HS DAC", "HSDAC Left"},
1248 {"Headset Left Playback", "Line-In amp", "AFMAmpL"},
1249
1250 {"Headset Right Playback", "HS DAC", "HSDAC Right"},
1251 {"Headset Right Playback", "Line-In amp", "AFMAmpR"},
1252
1253 {"HS Left Driver", NULL, "Headset Left Playback"},
1254 {"HS Right Driver", NULL, "Headset Right Playback"},
1255
1256 {"HSOL", NULL, "HS Left Driver"},
1257 {"HSOR", NULL, "HS Right Driver"},
1258
1259 /* Earphone playback path */
1260 {"Earphone Playback", "Switch", "HSDAC Left"},
1261 {"Earphone Driver", NULL, "Earphone Playback"},
1262 {"EP", NULL, "Earphone Driver"},
1263
1264 {"Handsfree Left Playback", "HF DAC", "HFDAC Left"},
1265 {"Handsfree Left Playback", "Line-In amp", "AFMAmpL"},
1266
1267 {"Handsfree Right Playback", "HF DAC", "HFDAC Right"},
1268 {"Handsfree Right Playback", "Line-In amp", "AFMAmpR"},
1269
1270 {"HF Left PGA", NULL, "Handsfree Left Playback"},
1271 {"HF Right PGA", NULL, "Handsfree Right Playback"},
1272
1273 {"HF Left Driver", NULL, "HF Left PGA"},
1274 {"HF Right Driver", NULL, "HF Right PGA"},
1275
1276 {"HFL", NULL, "HF Left Driver"},
1277 {"HFR", NULL, "HF Right Driver"},
1278
1279 {"AUXL Playback", "Switch", "HF Left PGA"},
1280 {"AUXR Playback", "Switch", "HF Right PGA"},
1281
1282 {"AUXL", NULL, "AUXL Playback"},
1283 {"AUXR", NULL, "AUXR Playback"},
1284
1285 /* Vibrator paths */
1286 {"Vibra Left Playback", "Audio PDM", "VIBRA DAC"},
1287 {"Vibra Right Playback", "Audio PDM", "VIBRA DAC"},
1288
1289 {"Vibra Left Driver", NULL, "Vibra Left Playback"},
1290 {"Vibra Right Driver", NULL, "Vibra Right Playback"},
1291 {"Vibra Left Driver", NULL, "Vibra Left Control"},
1292 {"Vibra Right Driver", NULL, "Vibra Right Control"},
1293
1294 {"VIBRAL", NULL, "Vibra Left Driver"},
1295 {"VIBRAR", NULL, "Vibra Right Driver"},
1296 };
1297
1298 static int twl6040_set_bias_level(struct snd_soc_codec *codec,
1299 enum snd_soc_bias_level level)
1300 {
1301 struct twl6040 *twl6040 = codec->control_data;
1302 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1303 int ret;
1304
1305 switch (level) {
1306 case SND_SOC_BIAS_ON:
1307 break;
1308 case SND_SOC_BIAS_PREPARE:
1309 break;
1310 case SND_SOC_BIAS_STANDBY:
1311 if (priv->codec_powered)
1312 break;
1313
1314 ret = twl6040_power(twl6040, 1);
1315 if (ret)
1316 return ret;
1317
1318 priv->codec_powered = 1;
1319
1320 twl6040_restore_regs(codec);
1321
1322 /* Set external boost GPO */
1323 twl6040_write(codec, TWL6040_REG_GPOCTL, 0x02);
1324 break;
1325 case SND_SOC_BIAS_OFF:
1326 if (!priv->codec_powered)
1327 break;
1328
1329 twl6040_power(twl6040, 0);
1330 priv->codec_powered = 0;
1331 break;
1332 }
1333
1334 codec->dapm.bias_level = level;
1335
1336 return 0;
1337 }
1338
1339 static int twl6040_startup(struct snd_pcm_substream *substream,
1340 struct snd_soc_dai *dai)
1341 {
1342 struct snd_soc_pcm_runtime *rtd = substream->private_data;
1343 struct snd_soc_codec *codec = rtd->codec;
1344 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1345
1346 snd_pcm_hw_constraint_list(substream->runtime, 0,
1347 SNDRV_PCM_HW_PARAM_RATE,
1348 &sysclk_constraints[priv->pll_power_mode]);
1349
1350 return 0;
1351 }
1352
1353 static int twl6040_hw_params(struct snd_pcm_substream *substream,
1354 struct snd_pcm_hw_params *params,
1355 struct snd_soc_dai *dai)
1356 {
1357 struct snd_soc_pcm_runtime *rtd = substream->private_data;
1358 struct snd_soc_codec *codec = rtd->codec;
1359 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1360 int rate;
1361
1362 rate = params_rate(params);
1363 switch (rate) {
1364 case 11250:
1365 case 22500:
1366 case 44100:
1367 case 88200:
1368 /* These rates are not supported when HPPLL is in use */
1369 if (unlikely(priv->pll == TWL6040_SYSCLK_SEL_HPPLL)) {
1370 dev_err(codec->dev, "HPPLL does not support rate %d\n",
1371 rate);
1372 return -EINVAL;
1373 }
1374 priv->sysclk = 17640000;
1375 break;
1376 case 8000:
1377 case 16000:
1378 case 32000:
1379 case 48000:
1380 case 96000:
1381 priv->sysclk = 19200000;
1382 break;
1383 default:
1384 dev_err(codec->dev, "unsupported rate %d\n", rate);
1385 return -EINVAL;
1386 }
1387
1388 return 0;
1389 }
1390
1391 static int twl6040_prepare(struct snd_pcm_substream *substream,
1392 struct snd_soc_dai *dai)
1393 {
1394 struct snd_soc_pcm_runtime *rtd = substream->private_data;
1395 struct snd_soc_codec *codec = rtd->codec;
1396 struct twl6040 *twl6040 = codec->control_data;
1397 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1398 int ret;
1399
1400 if (!priv->sysclk) {
1401 dev_err(codec->dev,
1402 "no mclk configured, call set_sysclk() on init\n");
1403 return -EINVAL;
1404 }
1405
1406 ret = twl6040_set_pll(twl6040, priv->pll, priv->clk_in, priv->sysclk);
1407 if (ret) {
1408 dev_err(codec->dev, "Can not set PLL (%d)\n", ret);
1409 return -EPERM;
1410 }
1411
1412 return 0;
1413 }
1414
1415 static int twl6040_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1416 int clk_id, unsigned int freq, int dir)
1417 {
1418 struct snd_soc_codec *codec = codec_dai->codec;
1419 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1420
1421 switch (clk_id) {
1422 case TWL6040_SYSCLK_SEL_LPPLL:
1423 case TWL6040_SYSCLK_SEL_HPPLL:
1424 priv->pll = clk_id;
1425 priv->clk_in = freq;
1426 break;
1427 default:
1428 dev_err(codec->dev, "unknown clk_id %d\n", clk_id);
1429 return -EINVAL;
1430 }
1431
1432 return 0;
1433 }
1434
1435 static const struct snd_soc_dai_ops twl6040_dai_ops = {
1436 .startup = twl6040_startup,
1437 .hw_params = twl6040_hw_params,
1438 .prepare = twl6040_prepare,
1439 .set_sysclk = twl6040_set_dai_sysclk,
1440 };
1441
1442 static struct snd_soc_dai_driver twl6040_dai[] = {
1443 {
1444 .name = "twl6040-legacy",
1445 .playback = {
1446 .stream_name = "Playback",
1447 .channels_min = 1,
1448 .channels_max = 5,
1449 .rates = TWL6040_RATES,
1450 .formats = TWL6040_FORMATS,
1451 },
1452 .capture = {
1453 .stream_name = "Capture",
1454 .channels_min = 1,
1455 .channels_max = 2,
1456 .rates = TWL6040_RATES,
1457 .formats = TWL6040_FORMATS,
1458 },
1459 .ops = &twl6040_dai_ops,
1460 },
1461 {
1462 .name = "twl6040-ul",
1463 .capture = {
1464 .stream_name = "Capture",
1465 .channels_min = 1,
1466 .channels_max = 2,
1467 .rates = TWL6040_RATES,
1468 .formats = TWL6040_FORMATS,
1469 },
1470 .ops = &twl6040_dai_ops,
1471 },
1472 {
1473 .name = "twl6040-dl1",
1474 .playback = {
1475 .stream_name = "Headset Playback",
1476 .channels_min = 1,
1477 .channels_max = 2,
1478 .rates = TWL6040_RATES,
1479 .formats = TWL6040_FORMATS,
1480 },
1481 .ops = &twl6040_dai_ops,
1482 },
1483 {
1484 .name = "twl6040-dl2",
1485 .playback = {
1486 .stream_name = "Handsfree Playback",
1487 .channels_min = 1,
1488 .channels_max = 2,
1489 .rates = TWL6040_RATES,
1490 .formats = TWL6040_FORMATS,
1491 },
1492 .ops = &twl6040_dai_ops,
1493 },
1494 {
1495 .name = "twl6040-vib",
1496 .playback = {
1497 .stream_name = "Vibra Playback",
1498 .channels_min = 1,
1499 .channels_max = 1,
1500 .rates = SNDRV_PCM_RATE_CONTINUOUS,
1501 .formats = TWL6040_FORMATS,
1502 },
1503 .ops = &twl6040_dai_ops,
1504 },
1505 };
1506
1507 #ifdef CONFIG_PM
1508 static int twl6040_suspend(struct snd_soc_codec *codec)
1509 {
1510 twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
1511
1512 return 0;
1513 }
1514
1515 static int twl6040_resume(struct snd_soc_codec *codec)
1516 {
1517 twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1518 twl6040_set_bias_level(codec, codec->dapm.suspend_bias_level);
1519
1520 return 0;
1521 }
1522 #else
1523 #define twl6040_suspend NULL
1524 #define twl6040_resume NULL
1525 #endif
1526
1527 static int twl6040_probe(struct snd_soc_codec *codec)
1528 {
1529 struct twl6040_data *priv;
1530 struct twl6040_codec_data *pdata = dev_get_platdata(codec->dev);
1531 struct platform_device *pdev = container_of(codec->dev,
1532 struct platform_device, dev);
1533 int ret = 0;
1534
1535 priv = kzalloc(sizeof(struct twl6040_data), GFP_KERNEL);
1536 if (priv == NULL)
1537 return -ENOMEM;
1538 snd_soc_codec_set_drvdata(codec, priv);
1539
1540 priv->codec = codec;
1541 codec->control_data = dev_get_drvdata(codec->dev->parent);
1542
1543 if (pdata && pdata->hs_left_step && pdata->hs_right_step) {
1544 priv->hs_left_step = pdata->hs_left_step;
1545 priv->hs_right_step = pdata->hs_right_step;
1546 } else {
1547 priv->hs_left_step = 1;
1548 priv->hs_right_step = 1;
1549 }
1550
1551 if (pdata && pdata->hf_left_step && pdata->hf_right_step) {
1552 priv->hf_left_step = pdata->hf_left_step;
1553 priv->hf_right_step = pdata->hf_right_step;
1554 } else {
1555 priv->hf_left_step = 1;
1556 priv->hf_right_step = 1;
1557 }
1558
1559 priv->plug_irq = platform_get_irq(pdev, 0);
1560 if (priv->plug_irq < 0) {
1561 dev_err(codec->dev, "invalid irq\n");
1562 ret = -EINVAL;
1563 goto work_err;
1564 }
1565
1566 priv->workqueue = alloc_workqueue("twl6040-codec", 0, 0);
1567 if (!priv->workqueue) {
1568 ret = -ENOMEM;
1569 goto work_err;
1570 }
1571
1572 INIT_DELAYED_WORK(&priv->hs_jack.work, twl6040_accessory_work);
1573 INIT_DELAYED_WORK(&priv->headset.work, twl6040_pga_hs_work);
1574 INIT_DELAYED_WORK(&priv->handsfree.work, twl6040_pga_hf_work);
1575
1576 mutex_init(&priv->mutex);
1577
1578 init_completion(&priv->headset.ramp_done);
1579 init_completion(&priv->handsfree.ramp_done);
1580
1581 ret = request_threaded_irq(priv->plug_irq, NULL, twl6040_audio_handler,
1582 0, "twl6040_irq_plug", codec);
1583 if (ret) {
1584 dev_err(codec->dev, "PLUG IRQ request failed: %d\n", ret);
1585 goto plugirq_err;
1586 }
1587
1588 twl6040_init_chip(codec);
1589
1590 /* power on device */
1591 ret = twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1592 if (!ret)
1593 return 0;
1594
1595 /* Error path */
1596 free_irq(priv->plug_irq, codec);
1597 plugirq_err:
1598 destroy_workqueue(priv->workqueue);
1599 work_err:
1600 kfree(priv);
1601 return ret;
1602 }
1603
1604 static int twl6040_remove(struct snd_soc_codec *codec)
1605 {
1606 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1607
1608 twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
1609 free_irq(priv->plug_irq, codec);
1610 destroy_workqueue(priv->workqueue);
1611 kfree(priv);
1612
1613 return 0;
1614 }
1615
1616 static struct snd_soc_codec_driver soc_codec_dev_twl6040 = {
1617 .probe = twl6040_probe,
1618 .remove = twl6040_remove,
1619 .suspend = twl6040_suspend,
1620 .resume = twl6040_resume,
1621 .read = twl6040_read_reg_cache,
1622 .write = twl6040_write,
1623 .set_bias_level = twl6040_set_bias_level,
1624 .reg_cache_size = ARRAY_SIZE(twl6040_reg),
1625 .reg_word_size = sizeof(u8),
1626 .reg_cache_default = twl6040_reg,
1627 .ignore_pmdown_time = true,
1628
1629 .controls = twl6040_snd_controls,
1630 .num_controls = ARRAY_SIZE(twl6040_snd_controls),
1631 .dapm_widgets = twl6040_dapm_widgets,
1632 .num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets),
1633 .dapm_routes = intercon,
1634 .num_dapm_routes = ARRAY_SIZE(intercon),
1635 };
1636
1637 static int __devinit twl6040_codec_probe(struct platform_device *pdev)
1638 {
1639 return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_twl6040,
1640 twl6040_dai, ARRAY_SIZE(twl6040_dai));
1641 }
1642
1643 static int __devexit twl6040_codec_remove(struct platform_device *pdev)
1644 {
1645 snd_soc_unregister_codec(&pdev->dev);
1646 return 0;
1647 }
1648
1649 static struct platform_driver twl6040_codec_driver = {
1650 .driver = {
1651 .name = "twl6040-codec",
1652 .owner = THIS_MODULE,
1653 },
1654 .probe = twl6040_codec_probe,
1655 .remove = __devexit_p(twl6040_codec_remove),
1656 };
1657
1658 module_platform_driver(twl6040_codec_driver);
1659
1660 MODULE_DESCRIPTION("ASoC TWL6040 codec driver");
1661 MODULE_AUTHOR("Misael Lopez Cruz");
1662 MODULE_LICENSE("GPL");
Linux kernel - Deliverables
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