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staging: xgifb: vb_setmode: make XGI_SetXG27FPBits() static
[linux/fpc-iii.git] / sound / soc / codecs / twl6040.c
blob73e11f022dedc944c1010064435b17402b96194c
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/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_clk_id(struct snd_soc_codec *codec)
1016 {
1017 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1018
1019 return priv->pll_power_mode;
1020 }
1021 EXPORT_SYMBOL_GPL(twl6040_get_clk_id);
1022
1023 int twl6040_get_trim_value(struct snd_soc_codec *codec, enum twl6040_trim trim)
1024 {
1025 if (unlikely(trim >= TWL6040_TRIM_INVAL))
1026 return -EINVAL;
1027
1028 return twl6040_read_reg_cache(codec, TWL6040_REG_TRIM1 + trim);
1029 }
1030 EXPORT_SYMBOL_GPL(twl6040_get_trim_value);
1031
1032 static const struct snd_kcontrol_new twl6040_snd_controls[] = {
1033 /* Capture gains */
1034 SOC_DOUBLE_TLV("Capture Preamplifier Volume",
1035 TWL6040_REG_MICGAIN, 6, 7, 1, 1, mic_preamp_tlv),
1036 SOC_DOUBLE_TLV("Capture Volume",
1037 TWL6040_REG_MICGAIN, 0, 3, 4, 0, mic_amp_tlv),
1038
1039 /* AFM gains */
1040 SOC_DOUBLE_TLV("Aux FM Volume",
1041 TWL6040_REG_LINEGAIN, 0, 3, 7, 0, afm_amp_tlv),
1042
1043 /* Playback gains */
1044 SOC_DOUBLE_EXT_TLV("Headset Playback Volume",
1045 TWL6040_REG_HSGAIN, 0, 4, 0xF, 1, twl6040_get_volsw,
1046 twl6040_put_volsw, hs_tlv),
1047 SOC_DOUBLE_R_EXT_TLV("Handsfree Playback Volume",
1048 TWL6040_REG_HFLGAIN, TWL6040_REG_HFRGAIN, 0, 0x1D, 1,
1049 twl6040_get_volsw, twl6040_put_volsw, hf_tlv),
1050 SOC_SINGLE_TLV("Earphone Playback Volume",
1051 TWL6040_REG_EARCTL, 1, 0xF, 1, ep_tlv),
1052
1053 SOC_ENUM_EXT("Headset Power Mode", twl6040_power_mode_enum,
1054 twl6040_headset_power_get_enum,
1055 twl6040_headset_power_put_enum),
1056
1057 SOC_ENUM_EXT("PLL Selection", twl6040_power_mode_enum,
1058 twl6040_pll_get_enum, twl6040_pll_put_enum),
1059 };
1060
1061 static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
1062 /* Inputs */
1063 SND_SOC_DAPM_INPUT("MAINMIC"),
1064 SND_SOC_DAPM_INPUT("HSMIC"),
1065 SND_SOC_DAPM_INPUT("SUBMIC"),
1066 SND_SOC_DAPM_INPUT("AFML"),
1067 SND_SOC_DAPM_INPUT("AFMR"),
1068
1069 /* Outputs */
1070 SND_SOC_DAPM_OUTPUT("HSOL"),
1071 SND_SOC_DAPM_OUTPUT("HSOR"),
1072 SND_SOC_DAPM_OUTPUT("HFL"),
1073 SND_SOC_DAPM_OUTPUT("HFR"),
1074 SND_SOC_DAPM_OUTPUT("EP"),
1075 SND_SOC_DAPM_OUTPUT("AUXL"),
1076 SND_SOC_DAPM_OUTPUT("AUXR"),
1077 SND_SOC_DAPM_OUTPUT("VIBRAL"),
1078 SND_SOC_DAPM_OUTPUT("VIBRAR"),
1079
1080 /* Analog input muxes for the capture amplifiers */
1081 SND_SOC_DAPM_MUX("Analog Left Capture Route",
1082 SND_SOC_NOPM, 0, 0, &amicl_control),
1083 SND_SOC_DAPM_MUX("Analog Right Capture Route",
1084 SND_SOC_NOPM, 0, 0, &amicr_control),
1085
1086 /* Analog capture PGAs */
1087 SND_SOC_DAPM_PGA("MicAmpL",
1088 TWL6040_REG_MICLCTL, 0, 0, NULL, 0),
1089 SND_SOC_DAPM_PGA("MicAmpR",
1090 TWL6040_REG_MICRCTL, 0, 0, NULL, 0),
1091
1092 /* Auxiliary FM PGAs */
1093 SND_SOC_DAPM_PGA("AFMAmpL",
1094 TWL6040_REG_MICLCTL, 1, 0, NULL, 0),
1095 SND_SOC_DAPM_PGA("AFMAmpR",
1096 TWL6040_REG_MICRCTL, 1, 0, NULL, 0),
1097
1098 /* ADCs */
1099 SND_SOC_DAPM_ADC("ADC Left", "Left Front Capture",
1100 TWL6040_REG_MICLCTL, 2, 0),
1101 SND_SOC_DAPM_ADC("ADC Right", "Right Front Capture",
1102 TWL6040_REG_MICRCTL, 2, 0),
1103
1104 /* Microphone bias */
1105 SND_SOC_DAPM_MICBIAS("Headset Mic Bias",
1106 TWL6040_REG_AMICBCTL, 0, 0),
1107 SND_SOC_DAPM_MICBIAS("Main Mic Bias",
1108 TWL6040_REG_AMICBCTL, 4, 0),
1109 SND_SOC_DAPM_MICBIAS("Digital Mic1 Bias",
1110 TWL6040_REG_DMICBCTL, 0, 0),
1111 SND_SOC_DAPM_MICBIAS("Digital Mic2 Bias",
1112 TWL6040_REG_DMICBCTL, 4, 0),
1113
1114 /* DACs */
1115 SND_SOC_DAPM_DAC("HSDAC Left", "Headset Playback", SND_SOC_NOPM, 0, 0),
1116 SND_SOC_DAPM_DAC("HSDAC Right", "Headset Playback", SND_SOC_NOPM, 0, 0),
1117 SND_SOC_DAPM_DAC("HFDAC Left", "Handsfree Playback",
1118 TWL6040_REG_HFLCTL, 0, 0),
1119 SND_SOC_DAPM_DAC("HFDAC Right", "Handsfree Playback",
1120 TWL6040_REG_HFRCTL, 0, 0),
1121 /* Virtual DAC for vibra path (DL4 channel) */
1122 SND_SOC_DAPM_DAC("VIBRA DAC", "Vibra Playback",
1123 SND_SOC_NOPM, 0, 0),
1124
1125 SND_SOC_DAPM_MUX("Handsfree Left Playback",
1126 SND_SOC_NOPM, 0, 0, &hfl_mux_controls),
1127 SND_SOC_DAPM_MUX("Handsfree Right Playback",
1128 SND_SOC_NOPM, 0, 0, &hfr_mux_controls),
1129 /* Analog playback Muxes */
1130 SND_SOC_DAPM_MUX("Headset Left Playback",
1131 SND_SOC_NOPM, 0, 0, &hsl_mux_controls),
1132 SND_SOC_DAPM_MUX("Headset Right Playback",
1133 SND_SOC_NOPM, 0, 0, &hsr_mux_controls),
1134
1135 SND_SOC_DAPM_MUX("Vibra Left Playback", SND_SOC_NOPM, 0, 0,
1136 &vibral_mux_controls),
1137 SND_SOC_DAPM_MUX("Vibra Right Playback", SND_SOC_NOPM, 0, 0,
1138 &vibrar_mux_controls),
1139
1140 SND_SOC_DAPM_SWITCH("Earphone Playback", SND_SOC_NOPM, 0, 0,
1141 &ep_path_enable_control),
1142 SND_SOC_DAPM_SWITCH("AUXL Playback", SND_SOC_NOPM, 0, 0,
1143 &auxl_switch_control),
1144 SND_SOC_DAPM_SWITCH("AUXR Playback", SND_SOC_NOPM, 0, 0,
1145 &auxr_switch_control),
1146
1147 /* Analog playback drivers */
1148 SND_SOC_DAPM_OUT_DRV_E("HF Left Driver",
1149 TWL6040_REG_HFLCTL, 4, 0, NULL, 0,
1150 out_drv_event,
1151 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1152 SND_SOC_DAPM_OUT_DRV_E("HF Right Driver",
1153 TWL6040_REG_HFRCTL, 4, 0, NULL, 0,
1154 out_drv_event,
1155 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1156 SND_SOC_DAPM_OUT_DRV_E("HS Left Driver",
1157 TWL6040_REG_HSLCTL, 2, 0, NULL, 0,
1158 out_drv_event,
1159 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1160 SND_SOC_DAPM_OUT_DRV_E("HS Right Driver",
1161 TWL6040_REG_HSRCTL, 2, 0, NULL, 0,
1162 out_drv_event,
1163 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1164 SND_SOC_DAPM_OUT_DRV_E("Earphone Driver",
1165 TWL6040_REG_EARCTL, 0, 0, NULL, 0,
1166 twl6040_ep_drv_event,
1167 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
1168 SND_SOC_DAPM_OUT_DRV("Vibra Left Driver",
1169 TWL6040_REG_VIBCTLL, 0, 0, NULL, 0),
1170 SND_SOC_DAPM_OUT_DRV("Vibra Right Driver",
1171 TWL6040_REG_VIBCTLR, 0, 0, NULL, 0),
1172
1173 SND_SOC_DAPM_SUPPLY("Vibra Left Control", TWL6040_REG_VIBCTLL, 2, 0,
1174 NULL, 0),
1175 SND_SOC_DAPM_SUPPLY("Vibra Right Control", TWL6040_REG_VIBCTLR, 2, 0,
1176 NULL, 0),
1177 SND_SOC_DAPM_SUPPLY_S("HSDAC Power", 1, SND_SOC_NOPM, 0, 0,
1178 twl6040_hs_dac_event,
1179 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1180
1181 /* Analog playback PGAs */
1182 SND_SOC_DAPM_PGA("HF Left PGA",
1183 TWL6040_REG_HFLCTL, 1, 0, NULL, 0),
1184 SND_SOC_DAPM_PGA("HF Right PGA",
1185 TWL6040_REG_HFRCTL, 1, 0, NULL, 0),
1186
1187 };
1188
1189 static const struct snd_soc_dapm_route intercon[] = {
1190 /* Capture path */
1191 {"Analog Left Capture Route", "Headset Mic", "HSMIC"},
1192 {"Analog Left Capture Route", "Main Mic", "MAINMIC"},
1193 {"Analog Left Capture Route", "Aux/FM Left", "AFML"},
1194
1195 {"Analog Right Capture Route", "Headset Mic", "HSMIC"},
1196 {"Analog Right Capture Route", "Sub Mic", "SUBMIC"},
1197 {"Analog Right Capture Route", "Aux/FM Right", "AFMR"},
1198
1199 {"MicAmpL", NULL, "Analog Left Capture Route"},
1200 {"MicAmpR", NULL, "Analog Right Capture Route"},
1201
1202 {"ADC Left", NULL, "MicAmpL"},
1203 {"ADC Right", NULL, "MicAmpR"},
1204
1205 /* AFM path */
1206 {"AFMAmpL", NULL, "AFML"},
1207 {"AFMAmpR", NULL, "AFMR"},
1208
1209 {"HSDAC Left", NULL, "HSDAC Power"},
1210 {"HSDAC Right", NULL, "HSDAC Power"},
1211
1212 {"Headset Left Playback", "HS DAC", "HSDAC Left"},
1213 {"Headset Left Playback", "Line-In amp", "AFMAmpL"},
1214
1215 {"Headset Right Playback", "HS DAC", "HSDAC Right"},
1216 {"Headset Right Playback", "Line-In amp", "AFMAmpR"},
1217
1218 {"HS Left Driver", NULL, "Headset Left Playback"},
1219 {"HS Right Driver", NULL, "Headset Right Playback"},
1220
1221 {"HSOL", NULL, "HS Left Driver"},
1222 {"HSOR", NULL, "HS Right Driver"},
1223
1224 /* Earphone playback path */
1225 {"Earphone Playback", "Switch", "HSDAC Left"},
1226 {"Earphone Driver", NULL, "Earphone Playback"},
1227 {"EP", NULL, "Earphone Driver"},
1228
1229 {"Handsfree Left Playback", "HF DAC", "HFDAC Left"},
1230 {"Handsfree Left Playback", "Line-In amp", "AFMAmpL"},
1231
1232 {"Handsfree Right Playback", "HF DAC", "HFDAC Right"},
1233 {"Handsfree Right Playback", "Line-In amp", "AFMAmpR"},
1234
1235 {"HF Left PGA", NULL, "Handsfree Left Playback"},
1236 {"HF Right PGA", NULL, "Handsfree Right Playback"},
1237
1238 {"HF Left Driver", NULL, "HF Left PGA"},
1239 {"HF Right Driver", NULL, "HF Right PGA"},
1240
1241 {"HFL", NULL, "HF Left Driver"},
1242 {"HFR", NULL, "HF Right Driver"},
1243
1244 {"AUXL Playback", "Switch", "HF Left PGA"},
1245 {"AUXR Playback", "Switch", "HF Right PGA"},
1246
1247 {"AUXL", NULL, "AUXL Playback"},
1248 {"AUXR", NULL, "AUXR Playback"},
1249
1250 /* Vibrator paths */
1251 {"Vibra Left Playback", "Audio PDM", "VIBRA DAC"},
1252 {"Vibra Right Playback", "Audio PDM", "VIBRA DAC"},
1253
1254 {"Vibra Left Driver", NULL, "Vibra Left Playback"},
1255 {"Vibra Right Driver", NULL, "Vibra Right Playback"},
1256 {"Vibra Left Driver", NULL, "Vibra Left Control"},
1257 {"Vibra Right Driver", NULL, "Vibra Right Control"},
1258
1259 {"VIBRAL", NULL, "Vibra Left Driver"},
1260 {"VIBRAR", NULL, "Vibra Right Driver"},
1261 };
1262
1263 static int twl6040_set_bias_level(struct snd_soc_codec *codec,
1264 enum snd_soc_bias_level level)
1265 {
1266 struct twl6040 *twl6040 = codec->control_data;
1267 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1268 int ret;
1269
1270 switch (level) {
1271 case SND_SOC_BIAS_ON:
1272 break;
1273 case SND_SOC_BIAS_PREPARE:
1274 break;
1275 case SND_SOC_BIAS_STANDBY:
1276 if (priv->codec_powered)
1277 break;
1278
1279 ret = twl6040_power(twl6040, 1);
1280 if (ret)
1281 return ret;
1282
1283 priv->codec_powered = 1;
1284
1285 twl6040_restore_regs(codec);
1286
1287 /* Set external boost GPO */
1288 twl6040_write(codec, TWL6040_REG_GPOCTL, 0x02);
1289 break;
1290 case SND_SOC_BIAS_OFF:
1291 if (!priv->codec_powered)
1292 break;
1293
1294 twl6040_power(twl6040, 0);
1295 priv->codec_powered = 0;
1296 break;
1297 }
1298
1299 codec->dapm.bias_level = level;
1300
1301 return 0;
1302 }
1303
1304 static int twl6040_startup(struct snd_pcm_substream *substream,
1305 struct snd_soc_dai *dai)
1306 {
1307 struct snd_soc_pcm_runtime *rtd = substream->private_data;
1308 struct snd_soc_codec *codec = rtd->codec;
1309 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1310
1311 snd_pcm_hw_constraint_list(substream->runtime, 0,
1312 SNDRV_PCM_HW_PARAM_RATE,
1313 &sysclk_constraints[priv->pll_power_mode]);
1314
1315 return 0;
1316 }
1317
1318 static int twl6040_hw_params(struct snd_pcm_substream *substream,
1319 struct snd_pcm_hw_params *params,
1320 struct snd_soc_dai *dai)
1321 {
1322 struct snd_soc_pcm_runtime *rtd = substream->private_data;
1323 struct snd_soc_codec *codec = rtd->codec;
1324 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1325 int rate;
1326
1327 rate = params_rate(params);
1328 switch (rate) {
1329 case 11250:
1330 case 22500:
1331 case 44100:
1332 case 88200:
1333 /* These rates are not supported when HPPLL is in use */
1334 if (unlikely(priv->pll == TWL6040_SYSCLK_SEL_HPPLL)) {
1335 dev_err(codec->dev, "HPPLL does not support rate %d\n",
1336 rate);
1337 return -EINVAL;
1338 }
1339 priv->sysclk = 17640000;
1340 break;
1341 case 8000:
1342 case 16000:
1343 case 32000:
1344 case 48000:
1345 case 96000:
1346 priv->sysclk = 19200000;
1347 break;
1348 default:
1349 dev_err(codec->dev, "unsupported rate %d\n", rate);
1350 return -EINVAL;
1351 }
1352
1353 return 0;
1354 }
1355
1356 static int twl6040_prepare(struct snd_pcm_substream *substream,
1357 struct snd_soc_dai *dai)
1358 {
1359 struct snd_soc_pcm_runtime *rtd = substream->private_data;
1360 struct snd_soc_codec *codec = rtd->codec;
1361 struct twl6040 *twl6040 = codec->control_data;
1362 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1363 int ret;
1364
1365 if (!priv->sysclk) {
1366 dev_err(codec->dev,
1367 "no mclk configured, call set_sysclk() on init\n");
1368 return -EINVAL;
1369 }
1370
1371 ret = twl6040_set_pll(twl6040, priv->pll, priv->clk_in, priv->sysclk);
1372 if (ret) {
1373 dev_err(codec->dev, "Can not set PLL (%d)\n", ret);
1374 return -EPERM;
1375 }
1376
1377 return 0;
1378 }
1379
1380 static int twl6040_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1381 int clk_id, unsigned int freq, int dir)
1382 {
1383 struct snd_soc_codec *codec = codec_dai->codec;
1384 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1385
1386 switch (clk_id) {
1387 case TWL6040_SYSCLK_SEL_LPPLL:
1388 case TWL6040_SYSCLK_SEL_HPPLL:
1389 priv->pll = clk_id;
1390 priv->clk_in = freq;
1391 break;
1392 default:
1393 dev_err(codec->dev, "unknown clk_id %d\n", clk_id);
1394 return -EINVAL;
1395 }
1396
1397 return 0;
1398 }
1399
1400 static struct snd_soc_dai_ops twl6040_dai_ops = {
1401 .startup = twl6040_startup,
1402 .hw_params = twl6040_hw_params,
1403 .prepare = twl6040_prepare,
1404 .set_sysclk = twl6040_set_dai_sysclk,
1405 };
1406
1407 static struct snd_soc_dai_driver twl6040_dai[] = {
1408 {
1409 .name = "twl6040-legacy",
1410 .playback = {
1411 .stream_name = "Playback",
1412 .channels_min = 1,
1413 .channels_max = 5,
1414 .rates = TWL6040_RATES,
1415 .formats = TWL6040_FORMATS,
1416 },
1417 .capture = {
1418 .stream_name = "Capture",
1419 .channels_min = 1,
1420 .channels_max = 2,
1421 .rates = TWL6040_RATES,
1422 .formats = TWL6040_FORMATS,
1423 },
1424 .ops = &twl6040_dai_ops,
1425 },
1426 {
1427 .name = "twl6040-ul",
1428 .capture = {
1429 .stream_name = "Capture",
1430 .channels_min = 1,
1431 .channels_max = 2,
1432 .rates = TWL6040_RATES,
1433 .formats = TWL6040_FORMATS,
1434 },
1435 .ops = &twl6040_dai_ops,
1436 },
1437 {
1438 .name = "twl6040-dl1",
1439 .playback = {
1440 .stream_name = "Headset Playback",
1441 .channels_min = 1,
1442 .channels_max = 2,
1443 .rates = TWL6040_RATES,
1444 .formats = TWL6040_FORMATS,
1445 },
1446 .ops = &twl6040_dai_ops,
1447 },
1448 {
1449 .name = "twl6040-dl2",
1450 .playback = {
1451 .stream_name = "Handsfree Playback",
1452 .channels_min = 1,
1453 .channels_max = 2,
1454 .rates = TWL6040_RATES,
1455 .formats = TWL6040_FORMATS,
1456 },
1457 .ops = &twl6040_dai_ops,
1458 },
1459 {
1460 .name = "twl6040-vib",
1461 .playback = {
1462 .stream_name = "Vibra Playback",
1463 .channels_min = 1,
1464 .channels_max = 1,
1465 .rates = SNDRV_PCM_RATE_CONTINUOUS,
1466 .formats = TWL6040_FORMATS,
1467 },
1468 .ops = &twl6040_dai_ops,
1469 },
1470 };
1471
1472 #ifdef CONFIG_PM
1473 static int twl6040_suspend(struct snd_soc_codec *codec, pm_message_t state)
1474 {
1475 twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
1476
1477 return 0;
1478 }
1479
1480 static int twl6040_resume(struct snd_soc_codec *codec)
1481 {
1482 twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1483 twl6040_set_bias_level(codec, codec->dapm.suspend_bias_level);
1484
1485 return 0;
1486 }
1487 #else
1488 #define twl6040_suspend NULL
1489 #define twl6040_resume NULL
1490 #endif
1491
1492 static int twl6040_probe(struct snd_soc_codec *codec)
1493 {
1494 struct twl6040_data *priv;
1495 struct twl4030_codec_data *pdata = dev_get_platdata(codec->dev);
1496 struct platform_device *pdev = container_of(codec->dev,
1497 struct platform_device, dev);
1498 int ret = 0;
1499
1500 priv = kzalloc(sizeof(struct twl6040_data), GFP_KERNEL);
1501 if (priv == NULL)
1502 return -ENOMEM;
1503 snd_soc_codec_set_drvdata(codec, priv);
1504
1505 priv->codec = codec;
1506 codec->control_data = dev_get_drvdata(codec->dev->parent);
1507 codec->ignore_pmdown_time = 1;
1508
1509 if (pdata && pdata->hs_left_step && pdata->hs_right_step) {
1510 priv->hs_left_step = pdata->hs_left_step;
1511 priv->hs_right_step = pdata->hs_right_step;
1512 } else {
1513 priv->hs_left_step = 1;
1514 priv->hs_right_step = 1;
1515 }
1516
1517 if (pdata && pdata->hf_left_step && pdata->hf_right_step) {
1518 priv->hf_left_step = pdata->hf_left_step;
1519 priv->hf_right_step = pdata->hf_right_step;
1520 } else {
1521 priv->hf_left_step = 1;
1522 priv->hf_right_step = 1;
1523 }
1524
1525 priv->plug_irq = platform_get_irq(pdev, 0);
1526 if (priv->plug_irq < 0) {
1527 dev_err(codec->dev, "invalid irq\n");
1528 ret = -EINVAL;
1529 goto work_err;
1530 }
1531
1532 priv->workqueue = alloc_workqueue("twl6040-codec", 0, 0);
1533 if (!priv->workqueue) {
1534 ret = -ENOMEM;
1535 goto work_err;
1536 }
1537
1538 INIT_DELAYED_WORK(&priv->hs_jack.work, twl6040_accessory_work);
1539 INIT_DELAYED_WORK(&priv->headset.work, twl6040_pga_hs_work);
1540 INIT_DELAYED_WORK(&priv->handsfree.work, twl6040_pga_hf_work);
1541
1542 mutex_init(&priv->mutex);
1543
1544 init_completion(&priv->headset.ramp_done);
1545 init_completion(&priv->handsfree.ramp_done);
1546
1547 ret = request_threaded_irq(priv->plug_irq, NULL, twl6040_audio_handler,
1548 0, "twl6040_irq_plug", codec);
1549 if (ret) {
1550 dev_err(codec->dev, "PLUG IRQ request failed: %d\n", ret);
1551 goto plugirq_err;
1552 }
1553
1554 twl6040_init_chip(codec);
1555
1556 /* power on device */
1557 ret = twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1558 if (!ret)
1559 return 0;
1560
1561 /* Error path */
1562 free_irq(priv->plug_irq, codec);
1563 plugirq_err:
1564 destroy_workqueue(priv->workqueue);
1565 work_err:
1566 kfree(priv);
1567 return ret;
1568 }
1569
1570 static int twl6040_remove(struct snd_soc_codec *codec)
1571 {
1572 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1573
1574 twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
1575 free_irq(priv->plug_irq, codec);
1576 destroy_workqueue(priv->workqueue);
1577 kfree(priv);
1578
1579 return 0;
1580 }
1581
1582 static struct snd_soc_codec_driver soc_codec_dev_twl6040 = {
1583 .probe = twl6040_probe,
1584 .remove = twl6040_remove,
1585 .suspend = twl6040_suspend,
1586 .resume = twl6040_resume,
1587 .read = twl6040_read_reg_cache,
1588 .write = twl6040_write,
1589 .set_bias_level = twl6040_set_bias_level,
1590 .reg_cache_size = ARRAY_SIZE(twl6040_reg),
1591 .reg_word_size = sizeof(u8),
1592 .reg_cache_default = twl6040_reg,
1593
1594 .controls = twl6040_snd_controls,
1595 .num_controls = ARRAY_SIZE(twl6040_snd_controls),
1596 .dapm_widgets = twl6040_dapm_widgets,
1597 .num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets),
1598 .dapm_routes = intercon,
1599 .num_dapm_routes = ARRAY_SIZE(intercon),
1600 };
1601
1602 static int __devinit twl6040_codec_probe(struct platform_device *pdev)
1603 {
1604 return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_twl6040,
1605 twl6040_dai, ARRAY_SIZE(twl6040_dai));
1606 }
1607
1608 static int __devexit twl6040_codec_remove(struct platform_device *pdev)
1609 {
1610 snd_soc_unregister_codec(&pdev->dev);
1611 return 0;
1612 }
1613
1614 static struct platform_driver twl6040_codec_driver = {
1615 .driver = {
1616 .name = "twl6040-codec",
1617 .owner = THIS_MODULE,
1618 },
1619 .probe = twl6040_codec_probe,
1620 .remove = __devexit_p(twl6040_codec_remove),
1621 };
1622
1623 static int __init twl6040_codec_init(void)
1624 {
1625 return platform_driver_register(&twl6040_codec_driver);
1626 }
1627 module_init(twl6040_codec_init);
1628
1629 static void __exit twl6040_codec_exit(void)
1630 {
1631 platform_driver_unregister(&twl6040_codec_driver);
1632 }
1633 module_exit(twl6040_codec_exit);
1634
1635 MODULE_DESCRIPTION("ASoC TWL6040 codec driver");
1636 MODULE_AUTHOR("Misael Lopez Cruz");
1637 MODULE_LICENSE("GPL");
Linux with added FPC-III support