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ASoC: twl6040: Simplify code in out_drv_event for pending work check
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / sound / soc / codecs / twl6040.c
blobd040905cfa9ba69df7fb08fa2f9082f59ca1a9a2
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 non_lp;
91 int pll_power_mode;
92 int hs_power_mode;
93 int hs_power_mode_locked;
94 unsigned int clk_in;
95 unsigned int sysclk;
96 u16 hs_left_step;
97 u16 hs_right_step;
98 u16 hf_left_step;
99 u16 hf_right_step;
100 struct twl6040_jack_data hs_jack;
101 struct snd_soc_codec *codec;
102 struct workqueue_struct *workqueue;
103 struct mutex mutex;
104 struct twl6040_output headset;
105 struct twl6040_output handsfree;
106 };
107
108 /*
109 * twl6040 register cache & default register settings
110 */
111 static const u8 twl6040_reg[TWL6040_CACHEREGNUM] = {
112 0x00, /* not used 0x00 */
113 0x4B, /* REG_ASICID 0x01 (ro) */
114 0x00, /* REG_ASICREV 0x02 (ro) */
115 0x00, /* REG_INTID 0x03 */
116 0x00, /* REG_INTMR 0x04 */
117 0x00, /* REG_NCPCTRL 0x05 */
118 0x00, /* REG_LDOCTL 0x06 */
119 0x60, /* REG_HPPLLCTL 0x07 */
120 0x00, /* REG_LPPLLCTL 0x08 */
121 0x4A, /* REG_LPPLLDIV 0x09 */
122 0x00, /* REG_AMICBCTL 0x0A */
123 0x00, /* REG_DMICBCTL 0x0B */
124 0x00, /* REG_MICLCTL 0x0C */
125 0x00, /* REG_MICRCTL 0x0D */
126 0x00, /* REG_MICGAIN 0x0E */
127 0x1B, /* REG_LINEGAIN 0x0F */
128 0x00, /* REG_HSLCTL 0x10 */
129 0x00, /* REG_HSRCTL 0x11 */
130 0x00, /* REG_HSGAIN 0x12 */
131 0x00, /* REG_EARCTL 0x13 */
132 0x00, /* REG_HFLCTL 0x14 */
133 0x00, /* REG_HFLGAIN 0x15 */
134 0x00, /* REG_HFRCTL 0x16 */
135 0x00, /* REG_HFRGAIN 0x17 */
136 0x00, /* REG_VIBCTLL 0x18 */
137 0x00, /* REG_VIBDATL 0x19 */
138 0x00, /* REG_VIBCTLR 0x1A */
139 0x00, /* REG_VIBDATR 0x1B */
140 0x00, /* REG_HKCTL1 0x1C */
141 0x00, /* REG_HKCTL2 0x1D */
142 0x00, /* REG_GPOCTL 0x1E */
143 0x00, /* REG_ALB 0x1F */
144 0x00, /* REG_DLB 0x20 */
145 0x00, /* not used 0x21 */
146 0x00, /* not used 0x22 */
147 0x00, /* not used 0x23 */
148 0x00, /* not used 0x24 */
149 0x00, /* not used 0x25 */
150 0x00, /* not used 0x26 */
151 0x00, /* not used 0x27 */
152 0x00, /* REG_TRIM1 0x28 */
153 0x00, /* REG_TRIM2 0x29 */
154 0x00, /* REG_TRIM3 0x2A */
155 0x00, /* REG_HSOTRIM 0x2B */
156 0x00, /* REG_HFOTRIM 0x2C */
157 0x09, /* REG_ACCCTL 0x2D */
158 0x00, /* REG_STATUS 0x2E (ro) */
159
160 0x00, /* REG_SW_SHADOW 0x2F - Shadow, non HW register */
161 };
162
163 /* List of registers to be restored after power up */
164 static const int twl6040_restore_list[] = {
165 TWL6040_REG_MICLCTL,
166 TWL6040_REG_MICRCTL,
167 TWL6040_REG_MICGAIN,
168 TWL6040_REG_LINEGAIN,
169 TWL6040_REG_HSLCTL,
170 TWL6040_REG_HSRCTL,
171 TWL6040_REG_HSGAIN,
172 TWL6040_REG_EARCTL,
173 TWL6040_REG_HFLCTL,
174 TWL6040_REG_HFLGAIN,
175 TWL6040_REG_HFRCTL,
176 TWL6040_REG_HFRGAIN,
177 };
178
179 /* set of rates for each pll: low-power and high-performance */
180 static unsigned int lp_rates[] = {
181 8000,
182 11250,
183 16000,
184 22500,
185 32000,
186 44100,
187 48000,
188 88200,
189 96000,
190 };
191
192 static unsigned int hp_rates[] = {
193 8000,
194 16000,
195 32000,
196 48000,
197 96000,
198 };
199
200 static struct snd_pcm_hw_constraint_list sysclk_constraints[] = {
201 { .count = ARRAY_SIZE(lp_rates), .list = lp_rates, },
202 { .count = ARRAY_SIZE(hp_rates), .list = hp_rates, },
203 };
204
205 /*
206 * read twl6040 register cache
207 */
208 static inline unsigned int twl6040_read_reg_cache(struct snd_soc_codec *codec,
209 unsigned int reg)
210 {
211 u8 *cache = codec->reg_cache;
212
213 if (reg >= TWL6040_CACHEREGNUM)
214 return -EIO;
215
216 return cache[reg];
217 }
218
219 /*
220 * write twl6040 register cache
221 */
222 static inline void twl6040_write_reg_cache(struct snd_soc_codec *codec,
223 u8 reg, u8 value)
224 {
225 u8 *cache = codec->reg_cache;
226
227 if (reg >= TWL6040_CACHEREGNUM)
228 return;
229 cache[reg] = value;
230 }
231
232 /*
233 * read from twl6040 hardware register
234 */
235 static int twl6040_read_reg_volatile(struct snd_soc_codec *codec,
236 unsigned int reg)
237 {
238 struct twl6040 *twl6040 = codec->control_data;
239 u8 value;
240
241 if (reg >= TWL6040_CACHEREGNUM)
242 return -EIO;
243
244 if (likely(reg < TWL6040_REG_SW_SHADOW)) {
245 value = twl6040_reg_read(twl6040, reg);
246 twl6040_write_reg_cache(codec, reg, value);
247 } else {
248 value = twl6040_read_reg_cache(codec, reg);
249 }
250
251 return value;
252 }
253
254 /*
255 * write to the twl6040 register space
256 */
257 static int twl6040_write(struct snd_soc_codec *codec,
258 unsigned int reg, unsigned int value)
259 {
260 struct twl6040 *twl6040 = codec->control_data;
261
262 if (reg >= TWL6040_CACHEREGNUM)
263 return -EIO;
264
265 twl6040_write_reg_cache(codec, reg, value);
266 if (likely(reg < TWL6040_REG_SW_SHADOW))
267 return twl6040_reg_write(twl6040, reg, value);
268 else
269 return 0;
270 }
271
272 static void twl6040_init_chip(struct snd_soc_codec *codec)
273 {
274 struct twl6040 *twl6040 = codec->control_data;
275 u8 val;
276
277 /* Update reg_cache: ASICREV, and TRIM values */
278 val = twl6040_get_revid(twl6040);
279 twl6040_write_reg_cache(codec, TWL6040_REG_ASICREV, val);
280
281 twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM1);
282 twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM2);
283 twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM3);
284 twl6040_read_reg_volatile(codec, TWL6040_REG_HSOTRIM);
285 twl6040_read_reg_volatile(codec, TWL6040_REG_HFOTRIM);
286
287 /* Change chip defaults */
288 /* No imput selected for microphone amplifiers */
289 twl6040_write_reg_cache(codec, TWL6040_REG_MICLCTL, 0x18);
290 twl6040_write_reg_cache(codec, TWL6040_REG_MICRCTL, 0x18);
291
292 /*
293 * We need to lower the default gain values, so the ramp code
294 * can work correctly for the first playback.
295 * This reduces the pop noise heard at the first playback.
296 */
297 twl6040_write_reg_cache(codec, TWL6040_REG_HSGAIN, 0xff);
298 twl6040_write_reg_cache(codec, TWL6040_REG_EARCTL, 0x1e);
299 twl6040_write_reg_cache(codec, TWL6040_REG_HFLGAIN, 0x1d);
300 twl6040_write_reg_cache(codec, TWL6040_REG_HFRGAIN, 0x1d);
301 twl6040_write_reg_cache(codec, TWL6040_REG_LINEGAIN, 0);
302 }
303
304 static void twl6040_restore_regs(struct snd_soc_codec *codec)
305 {
306 u8 *cache = codec->reg_cache;
307 int reg, i;
308
309 for (i = 0; i < ARRAY_SIZE(twl6040_restore_list); i++) {
310 reg = twl6040_restore_list[i];
311 twl6040_write(codec, reg, cache[reg]);
312 }
313 }
314
315 /*
316 * Ramp HS PGA volume to minimise pops at stream startup and shutdown.
317 */
318 static inline int twl6040_hs_ramp_step(struct snd_soc_codec *codec,
319 unsigned int left_step, unsigned int right_step)
320 {
321
322 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
323 struct twl6040_output *headset = &priv->headset;
324 int left_complete = 0, right_complete = 0;
325 u8 reg, val;
326
327 /* left channel */
328 left_step = (left_step > 0xF) ? 0xF : left_step;
329 reg = twl6040_read_reg_cache(codec, TWL6040_REG_HSGAIN);
330 val = (~reg & TWL6040_HSL_VOL_MASK);
331
332 if (headset->ramp == TWL6040_RAMP_UP) {
333 /* ramp step up */
334 if (val < headset->left_vol) {
335 if (val + left_step > headset->left_vol)
336 val = headset->left_vol;
337 else
338 val += left_step;
339
340 reg &= ~TWL6040_HSL_VOL_MASK;
341 twl6040_write(codec, TWL6040_REG_HSGAIN,
342 (reg | (~val & TWL6040_HSL_VOL_MASK)));
343 } else {
344 left_complete = 1;
345 }
346 } else if (headset->ramp == TWL6040_RAMP_DOWN) {
347 /* ramp step down */
348 if (val > 0x0) {
349 if ((int)val - (int)left_step < 0)
350 val = 0;
351 else
352 val -= left_step;
353
354 reg &= ~TWL6040_HSL_VOL_MASK;
355 twl6040_write(codec, TWL6040_REG_HSGAIN, reg |
356 (~val & TWL6040_HSL_VOL_MASK));
357 } else {
358 left_complete = 1;
359 }
360 }
361
362 /* right channel */
363 right_step = (right_step > 0xF) ? 0xF : right_step;
364 reg = twl6040_read_reg_cache(codec, TWL6040_REG_HSGAIN);
365 val = (~reg & TWL6040_HSR_VOL_MASK) >> TWL6040_HSR_VOL_SHIFT;
366
367 if (headset->ramp == TWL6040_RAMP_UP) {
368 /* ramp step up */
369 if (val < headset->right_vol) {
370 if (val + right_step > headset->right_vol)
371 val = headset->right_vol;
372 else
373 val += right_step;
374
375 reg &= ~TWL6040_HSR_VOL_MASK;
376 twl6040_write(codec, TWL6040_REG_HSGAIN,
377 (reg | (~val << TWL6040_HSR_VOL_SHIFT)));
378 } else {
379 right_complete = 1;
380 }
381 } else if (headset->ramp == TWL6040_RAMP_DOWN) {
382 /* ramp step down */
383 if (val > 0x0) {
384 if ((int)val - (int)right_step < 0)
385 val = 0;
386 else
387 val -= right_step;
388
389 reg &= ~TWL6040_HSR_VOL_MASK;
390 twl6040_write(codec, TWL6040_REG_HSGAIN,
391 reg | (~val << TWL6040_HSR_VOL_SHIFT));
392 } else {
393 right_complete = 1;
394 }
395 }
396
397 return left_complete & right_complete;
398 }
399
400 /*
401 * Ramp HF PGA volume to minimise pops at stream startup and shutdown.
402 */
403 static inline int twl6040_hf_ramp_step(struct snd_soc_codec *codec,
404 unsigned int left_step, unsigned int right_step)
405 {
406 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
407 struct twl6040_output *handsfree = &priv->handsfree;
408 int left_complete = 0, right_complete = 0;
409 u16 reg, val;
410
411 /* left channel */
412 left_step = (left_step > 0x1D) ? 0x1D : left_step;
413 reg = twl6040_read_reg_cache(codec, TWL6040_REG_HFLGAIN);
414 reg = 0x1D - reg;
415 val = (reg & TWL6040_HF_VOL_MASK);
416 if (handsfree->ramp == TWL6040_RAMP_UP) {
417 /* ramp step up */
418 if (val < handsfree->left_vol) {
419 if (val + left_step > handsfree->left_vol)
420 val = handsfree->left_vol;
421 else
422 val += left_step;
423
424 reg &= ~TWL6040_HF_VOL_MASK;
425 twl6040_write(codec, TWL6040_REG_HFLGAIN,
426 reg | (0x1D - val));
427 } else {
428 left_complete = 1;
429 }
430 } else if (handsfree->ramp == TWL6040_RAMP_DOWN) {
431 /* ramp step down */
432 if (val > 0) {
433 if ((int)val - (int)left_step < 0)
434 val = 0;
435 else
436 val -= left_step;
437
438 reg &= ~TWL6040_HF_VOL_MASK;
439 twl6040_write(codec, TWL6040_REG_HFLGAIN,
440 reg | (0x1D - val));
441 } else {
442 left_complete = 1;
443 }
444 }
445
446 /* right channel */
447 right_step = (right_step > 0x1D) ? 0x1D : right_step;
448 reg = twl6040_read_reg_cache(codec, TWL6040_REG_HFRGAIN);
449 reg = 0x1D - reg;
450 val = (reg & TWL6040_HF_VOL_MASK);
451 if (handsfree->ramp == TWL6040_RAMP_UP) {
452 /* ramp step up */
453 if (val < handsfree->right_vol) {
454 if (val + right_step > handsfree->right_vol)
455 val = handsfree->right_vol;
456 else
457 val += right_step;
458
459 reg &= ~TWL6040_HF_VOL_MASK;
460 twl6040_write(codec, TWL6040_REG_HFRGAIN,
461 reg | (0x1D - val));
462 } else {
463 right_complete = 1;
464 }
465 } else if (handsfree->ramp == TWL6040_RAMP_DOWN) {
466 /* ramp step down */
467 if (val > 0) {
468 if ((int)val - (int)right_step < 0)
469 val = 0;
470 else
471 val -= right_step;
472
473 reg &= ~TWL6040_HF_VOL_MASK;
474 twl6040_write(codec, TWL6040_REG_HFRGAIN,
475 reg | (0x1D - val));
476 }
477 }
478
479 return left_complete & right_complete;
480 }
481
482 /*
483 * This work ramps both output PGAs at stream start/stop time to
484 * minimise pop associated with DAPM power switching.
485 */
486 static void twl6040_pga_hs_work(struct work_struct *work)
487 {
488 struct twl6040_data *priv =
489 container_of(work, struct twl6040_data, headset.work.work);
490 struct snd_soc_codec *codec = priv->codec;
491 struct twl6040_output *headset = &priv->headset;
492 int i, headset_complete;
493
494 /* do we need to ramp at all ? */
495 if (headset->ramp == TWL6040_RAMP_NONE)
496 return;
497
498 /* HS PGA gain range: 0x0 - 0xf (0 - 15) */
499 for (i = 0; i < 16; i++) {
500 headset_complete = twl6040_hs_ramp_step(codec,
501 headset->left_step,
502 headset->right_step);
503
504 /* ramp finished ? */
505 if (headset_complete)
506 break;
507
508 schedule_timeout_interruptible(
509 msecs_to_jiffies(headset->step_delay));
510 }
511
512 if (headset->ramp == TWL6040_RAMP_DOWN) {
513 headset->active = 0;
514 complete(&headset->ramp_done);
515 } else {
516 headset->active = 1;
517 }
518 headset->ramp = TWL6040_RAMP_NONE;
519 }
520
521 static void twl6040_pga_hf_work(struct work_struct *work)
522 {
523 struct twl6040_data *priv =
524 container_of(work, struct twl6040_data, handsfree.work.work);
525 struct snd_soc_codec *codec = priv->codec;
526 struct twl6040_output *handsfree = &priv->handsfree;
527 int i, handsfree_complete;
528
529 /* do we need to ramp at all ? */
530 if (handsfree->ramp == TWL6040_RAMP_NONE)
531 return;
532
533 /*
534 * HF PGA gain range: 0x00 - 0x1d (0 - 29) */
535 for (i = 0; i < 30; i++) {
536 handsfree_complete = twl6040_hf_ramp_step(codec,
537 handsfree->left_step,
538 handsfree->right_step);
539
540 /* ramp finished ? */
541 if (handsfree_complete)
542 break;
543
544 schedule_timeout_interruptible(
545 msecs_to_jiffies(handsfree->step_delay));
546 }
547
548
549 if (handsfree->ramp == TWL6040_RAMP_DOWN) {
550 handsfree->active = 0;
551 complete(&handsfree->ramp_done);
552 } else
553 handsfree->active = 1;
554 handsfree->ramp = TWL6040_RAMP_NONE;
555 }
556
557 static int out_drv_event(struct snd_soc_dapm_widget *w,
558 struct snd_kcontrol *kcontrol, int event)
559 {
560 struct snd_soc_codec *codec = w->codec;
561 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
562 struct twl6040_output *out;
563 struct delayed_work *work;
564
565 switch (w->shift) {
566 case 2: /* Headset output driver */
567 out = &priv->headset;
568 work = &out->work;
569 /*
570 * Make sure, that we do not mess up variables for already
571 * executing work.
572 */
573 cancel_delayed_work_sync(work);
574
575 out->left_step = priv->hs_left_step;
576 out->right_step = priv->hs_right_step;
577 out->step_delay = 5; /* 5 ms between volume ramp steps */
578 break;
579 case 4: /* Handsfree output driver */
580 out = &priv->handsfree;
581 work = &out->work;
582 /*
583 * Make sure, that we do not mess up variables for already
584 * executing work.
585 */
586 cancel_delayed_work_sync(work);
587
588 out->left_step = priv->hf_left_step;
589 out->right_step = priv->hf_right_step;
590 out->step_delay = 5; /* 5 ms between volume ramp steps */
591 if (SND_SOC_DAPM_EVENT_ON(event))
592 priv->non_lp++;
593 else
594 priv->non_lp--;
595 break;
596 default:
597 return -1;
598 }
599
600 switch (event) {
601 case SND_SOC_DAPM_POST_PMU:
602 if (out->active)
603 break;
604
605 /* don't use volume ramp for power-up */
606 out->ramp = TWL6040_RAMP_UP;
607 out->left_step = out->left_vol;
608 out->right_step = out->right_vol;
609
610 queue_delayed_work(priv->workqueue, work, msecs_to_jiffies(1));
611 break;
612
613 case SND_SOC_DAPM_PRE_PMD:
614 if (!out->active)
615 break;
616
617 /* use volume ramp for power-down */
618 out->ramp = TWL6040_RAMP_DOWN;
619 INIT_COMPLETION(out->ramp_done);
620
621 queue_delayed_work(priv->workqueue, work, msecs_to_jiffies(1));
622
623 wait_for_completion_timeout(&out->ramp_done,
624 msecs_to_jiffies(2000));
625 break;
626 }
627
628 return 0;
629 }
630
631 /* set headset dac and driver power mode */
632 static int headset_power_mode(struct snd_soc_codec *codec, int high_perf)
633 {
634 int hslctl, hsrctl;
635 int mask = TWL6040_HSDRVMODE | TWL6040_HSDACMODE;
636
637 hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL);
638 hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL);
639
640 if (high_perf) {
641 hslctl &= ~mask;
642 hsrctl &= ~mask;
643 } else {
644 hslctl |= mask;
645 hsrctl |= mask;
646 }
647
648 twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl);
649 twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl);
650
651 return 0;
652 }
653
654 static int twl6040_hs_dac_event(struct snd_soc_dapm_widget *w,
655 struct snd_kcontrol *kcontrol, int event)
656 {
657 msleep(1);
658 return 0;
659 }
660
661 static int twl6040_power_mode_event(struct snd_soc_dapm_widget *w,
662 struct snd_kcontrol *kcontrol, int event)
663 {
664 struct snd_soc_codec *codec = w->codec;
665 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
666 int ret = 0;
667
668 if (SND_SOC_DAPM_EVENT_ON(event)) {
669 priv->non_lp++;
670 if (!strcmp(w->name, "Earphone Driver")) {
671 /* Earphone doesn't support low power mode */
672 priv->hs_power_mode_locked = 1;
673 ret = headset_power_mode(codec, 1);
674 }
675 } else {
676 priv->non_lp--;
677 if (!strcmp(w->name, "Earphone Driver")) {
678 priv->hs_power_mode_locked = 0;
679 ret = headset_power_mode(codec, priv->hs_power_mode);
680 }
681 }
682
683 msleep(1);
684
685 return ret;
686 }
687
688 static void twl6040_hs_jack_report(struct snd_soc_codec *codec,
689 struct snd_soc_jack *jack, int report)
690 {
691 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
692 int status;
693
694 mutex_lock(&priv->mutex);
695
696 /* Sync status */
697 status = twl6040_read_reg_volatile(codec, TWL6040_REG_STATUS);
698 if (status & TWL6040_PLUGCOMP)
699 snd_soc_jack_report(jack, report, report);
700 else
701 snd_soc_jack_report(jack, 0, report);
702
703 mutex_unlock(&priv->mutex);
704 }
705
706 void twl6040_hs_jack_detect(struct snd_soc_codec *codec,
707 struct snd_soc_jack *jack, int report)
708 {
709 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
710 struct twl6040_jack_data *hs_jack = &priv->hs_jack;
711
712 hs_jack->jack = jack;
713 hs_jack->report = report;
714
715 twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
716 }
717 EXPORT_SYMBOL_GPL(twl6040_hs_jack_detect);
718
719 static void twl6040_accessory_work(struct work_struct *work)
720 {
721 struct twl6040_data *priv = container_of(work,
722 struct twl6040_data, hs_jack.work.work);
723 struct snd_soc_codec *codec = priv->codec;
724 struct twl6040_jack_data *hs_jack = &priv->hs_jack;
725
726 twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
727 }
728
729 /* audio interrupt handler */
730 static irqreturn_t twl6040_audio_handler(int irq, void *data)
731 {
732 struct snd_soc_codec *codec = data;
733 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
734
735 queue_delayed_work(priv->workqueue, &priv->hs_jack.work,
736 msecs_to_jiffies(200));
737
738 return IRQ_HANDLED;
739 }
740
741 static int twl6040_put_volsw(struct snd_kcontrol *kcontrol,
742 struct snd_ctl_elem_value *ucontrol)
743 {
744 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
745 struct twl6040_data *twl6040_priv = snd_soc_codec_get_drvdata(codec);
746 struct twl6040_output *out = NULL;
747 struct soc_mixer_control *mc =
748 (struct soc_mixer_control *)kcontrol->private_value;
749 int ret;
750
751 /* For HS and HF we shadow the values and only actually write
752 * them out when active in order to ensure the amplifier comes on
753 * as quietly as possible. */
754 switch (mc->reg) {
755 case TWL6040_REG_HSGAIN:
756 out = &twl6040_priv->headset;
757 break;
758 case TWL6040_REG_HFLGAIN:
759 out = &twl6040_priv->handsfree;
760 break;
761 default:
762 break;
763 }
764
765 if (out) {
766 out->left_vol = ucontrol->value.integer.value[0];
767 out->right_vol = ucontrol->value.integer.value[1];
768 if (!out->active)
769 return 1;
770 }
771
772 /* call the appropriate handler depending on the rreg */
773 if (mc->rreg)
774 ret = snd_soc_put_volsw_2r(kcontrol, ucontrol);
775 else
776 ret = snd_soc_put_volsw(kcontrol, ucontrol);
777
778 if (ret < 0)
779 return ret;
780
781 return 1;
782 }
783
784 static int twl6040_get_volsw(struct snd_kcontrol *kcontrol,
785 struct snd_ctl_elem_value *ucontrol)
786 {
787 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
788 struct twl6040_data *twl6040_priv = snd_soc_codec_get_drvdata(codec);
789 struct twl6040_output *out = &twl6040_priv->headset;
790 struct soc_mixer_control *mc =
791 (struct soc_mixer_control *)kcontrol->private_value;
792
793 switch (mc->reg) {
794 case TWL6040_REG_HSGAIN:
795 out = &twl6040_priv->headset;
796 break;
797 case TWL6040_REG_HFLGAIN:
798 out = &twl6040_priv->handsfree;
799 break;
800 default:
801 break;
802 }
803
804 if (out) {
805 ucontrol->value.integer.value[0] = out->left_vol;
806 ucontrol->value.integer.value[1] = out->right_vol;
807 return 0;
808 }
809
810 /* call the appropriate handler depending on the rreg */
811 if (mc->rreg)
812 return snd_soc_get_volsw_2r(kcontrol, ucontrol);
813 else
814 return snd_soc_get_volsw(kcontrol, ucontrol);
815 }
816
817 /* double control with volume update */
818 #define SOC_TWL6040_DOUBLE_TLV(xname, xreg, shift_left, shift_right, xmax,\
819 xinvert, tlv_array)\
820 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
821 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
822 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
823 .tlv.p = (tlv_array), \
824 .info = snd_soc_info_volsw, .get = twl6040_get_volsw, \
825 .put = twl6040_put_volsw, \
826 .private_value = (unsigned long)&(struct soc_mixer_control) \
827 {.reg = xreg, .shift = shift_left, .rshift = shift_right,\
828 .max = xmax, .platform_max = xmax, .invert = xinvert} }
829
830 /* double control with volume update */
831 #define SOC_TWL6040_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax,\
832 xinvert, tlv_array)\
833 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
834 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
835 SNDRV_CTL_ELEM_ACCESS_READWRITE | \
836 SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
837 .tlv.p = (tlv_array), \
838 .info = snd_soc_info_volsw_2r, \
839 .get = twl6040_get_volsw, .put = twl6040_put_volsw, \
840 .private_value = (unsigned long)&(struct soc_mixer_control) \
841 {.reg = reg_left, .rreg = reg_right, .shift = xshift, \
842 .rshift = xshift, .max = xmax, .invert = xinvert}, }
843
844 /*
845 * MICATT volume control:
846 * from -6 to 0 dB in 6 dB steps
847 */
848 static DECLARE_TLV_DB_SCALE(mic_preamp_tlv, -600, 600, 0);
849
850 /*
851 * MICGAIN volume control:
852 * from 6 to 30 dB in 6 dB steps
853 */
854 static DECLARE_TLV_DB_SCALE(mic_amp_tlv, 600, 600, 0);
855
856 /*
857 * AFMGAIN volume control:
858 * from -18 to 24 dB in 6 dB steps
859 */
860 static DECLARE_TLV_DB_SCALE(afm_amp_tlv, -1800, 600, 0);
861
862 /*
863 * HSGAIN volume control:
864 * from -30 to 0 dB in 2 dB steps
865 */
866 static DECLARE_TLV_DB_SCALE(hs_tlv, -3000, 200, 0);
867
868 /*
869 * HFGAIN volume control:
870 * from -52 to 6 dB in 2 dB steps
871 */
872 static DECLARE_TLV_DB_SCALE(hf_tlv, -5200, 200, 0);
873
874 /*
875 * EPGAIN volume control:
876 * from -24 to 6 dB in 2 dB steps
877 */
878 static DECLARE_TLV_DB_SCALE(ep_tlv, -2400, 200, 0);
879
880 /* Left analog microphone selection */
881 static const char *twl6040_amicl_texts[] =
882 {"Headset Mic", "Main Mic", "Aux/FM Left", "Off"};
883
884 /* Right analog microphone selection */
885 static const char *twl6040_amicr_texts[] =
886 {"Headset Mic", "Sub Mic", "Aux/FM Right", "Off"};
887
888 static const struct soc_enum twl6040_enum[] = {
889 SOC_ENUM_SINGLE(TWL6040_REG_MICLCTL, 3, 4, twl6040_amicl_texts),
890 SOC_ENUM_SINGLE(TWL6040_REG_MICRCTL, 3, 4, twl6040_amicr_texts),
891 };
892
893 static const char *twl6040_hs_texts[] = {
894 "Off", "HS DAC", "Line-In amp"
895 };
896
897 static const struct soc_enum twl6040_hs_enum[] = {
898 SOC_ENUM_SINGLE(TWL6040_REG_HSLCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
899 twl6040_hs_texts),
900 SOC_ENUM_SINGLE(TWL6040_REG_HSRCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
901 twl6040_hs_texts),
902 };
903
904 static const char *twl6040_hf_texts[] = {
905 "Off", "HF DAC", "Line-In amp"
906 };
907
908 static const struct soc_enum twl6040_hf_enum[] = {
909 SOC_ENUM_SINGLE(TWL6040_REG_HFLCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
910 twl6040_hf_texts),
911 SOC_ENUM_SINGLE(TWL6040_REG_HFRCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
912 twl6040_hf_texts),
913 };
914
915 static const struct snd_kcontrol_new amicl_control =
916 SOC_DAPM_ENUM("Route", twl6040_enum[0]);
917
918 static const struct snd_kcontrol_new amicr_control =
919 SOC_DAPM_ENUM("Route", twl6040_enum[1]);
920
921 /* Headset DAC playback switches */
922 static const struct snd_kcontrol_new hsl_mux_controls =
923 SOC_DAPM_ENUM("Route", twl6040_hs_enum[0]);
924
925 static const struct snd_kcontrol_new hsr_mux_controls =
926 SOC_DAPM_ENUM("Route", twl6040_hs_enum[1]);
927
928 /* Handsfree DAC playback switches */
929 static const struct snd_kcontrol_new hfl_mux_controls =
930 SOC_DAPM_ENUM("Route", twl6040_hf_enum[0]);
931
932 static const struct snd_kcontrol_new hfr_mux_controls =
933 SOC_DAPM_ENUM("Route", twl6040_hf_enum[1]);
934
935 static const struct snd_kcontrol_new ep_path_enable_control =
936 SOC_DAPM_SINGLE("Switch", TWL6040_REG_SW_SHADOW, 0, 1, 0);
937
938 static const struct snd_kcontrol_new auxl_switch_control =
939 SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFLCTL, 6, 1, 0);
940
941 static const struct snd_kcontrol_new auxr_switch_control =
942 SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFRCTL, 6, 1, 0);
943
944 /* Headset power mode */
945 static const char *twl6040_power_mode_texts[] = {
946 "Low-Power", "High-Perfomance",
947 };
948
949 static const struct soc_enum twl6040_power_mode_enum =
950 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(twl6040_power_mode_texts),
951 twl6040_power_mode_texts);
952
953 static int twl6040_headset_power_get_enum(struct snd_kcontrol *kcontrol,
954 struct snd_ctl_elem_value *ucontrol)
955 {
956 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
957 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
958
959 ucontrol->value.enumerated.item[0] = priv->hs_power_mode;
960
961 return 0;
962 }
963
964 static int twl6040_headset_power_put_enum(struct snd_kcontrol *kcontrol,
965 struct snd_ctl_elem_value *ucontrol)
966 {
967 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
968 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
969 int high_perf = ucontrol->value.enumerated.item[0];
970 int ret = 0;
971
972 if (!priv->hs_power_mode_locked)
973 ret = headset_power_mode(codec, high_perf);
974
975 if (!ret)
976 priv->hs_power_mode = high_perf;
977
978 return ret;
979 }
980
981 static int twl6040_pll_get_enum(struct snd_kcontrol *kcontrol,
982 struct snd_ctl_elem_value *ucontrol)
983 {
984 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
985 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
986
987 ucontrol->value.enumerated.item[0] = priv->pll_power_mode;
988
989 return 0;
990 }
991
992 static int twl6040_pll_put_enum(struct snd_kcontrol *kcontrol,
993 struct snd_ctl_elem_value *ucontrol)
994 {
995 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
996 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
997
998 priv->pll_power_mode = ucontrol->value.enumerated.item[0];
999
1000 return 0;
1001 }
1002
1003 int twl6040_get_clk_id(struct snd_soc_codec *codec)
1004 {
1005 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1006
1007 return priv->pll_power_mode;
1008 }
1009 EXPORT_SYMBOL_GPL(twl6040_get_clk_id);
1010
1011 int twl6040_get_trim_value(struct snd_soc_codec *codec, enum twl6040_trim trim)
1012 {
1013 if (unlikely(trim >= TWL6040_TRIM_INVAL))
1014 return -EINVAL;
1015
1016 return twl6040_read_reg_cache(codec, TWL6040_REG_TRIM1 + trim);
1017 }
1018 EXPORT_SYMBOL_GPL(twl6040_get_trim_value);
1019
1020 static const struct snd_kcontrol_new twl6040_snd_controls[] = {
1021 /* Capture gains */
1022 SOC_DOUBLE_TLV("Capture Preamplifier Volume",
1023 TWL6040_REG_MICGAIN, 6, 7, 1, 1, mic_preamp_tlv),
1024 SOC_DOUBLE_TLV("Capture Volume",
1025 TWL6040_REG_MICGAIN, 0, 3, 4, 0, mic_amp_tlv),
1026
1027 /* AFM gains */
1028 SOC_DOUBLE_TLV("Aux FM Volume",
1029 TWL6040_REG_LINEGAIN, 0, 3, 7, 0, afm_amp_tlv),
1030
1031 /* Playback gains */
1032 SOC_TWL6040_DOUBLE_TLV("Headset Playback Volume",
1033 TWL6040_REG_HSGAIN, 0, 4, 0xF, 1, hs_tlv),
1034 SOC_TWL6040_DOUBLE_R_TLV("Handsfree Playback Volume",
1035 TWL6040_REG_HFLGAIN, TWL6040_REG_HFRGAIN, 0, 0x1D, 1, hf_tlv),
1036 SOC_SINGLE_TLV("Earphone Playback Volume",
1037 TWL6040_REG_EARCTL, 1, 0xF, 1, ep_tlv),
1038
1039 SOC_ENUM_EXT("Headset Power Mode", twl6040_power_mode_enum,
1040 twl6040_headset_power_get_enum,
1041 twl6040_headset_power_put_enum),
1042
1043 SOC_ENUM_EXT("PLL Selection", twl6040_power_mode_enum,
1044 twl6040_pll_get_enum, twl6040_pll_put_enum),
1045 };
1046
1047 static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
1048 /* Inputs */
1049 SND_SOC_DAPM_INPUT("MAINMIC"),
1050 SND_SOC_DAPM_INPUT("HSMIC"),
1051 SND_SOC_DAPM_INPUT("SUBMIC"),
1052 SND_SOC_DAPM_INPUT("AFML"),
1053 SND_SOC_DAPM_INPUT("AFMR"),
1054
1055 /* Outputs */
1056 SND_SOC_DAPM_OUTPUT("HSOL"),
1057 SND_SOC_DAPM_OUTPUT("HSOR"),
1058 SND_SOC_DAPM_OUTPUT("HFL"),
1059 SND_SOC_DAPM_OUTPUT("HFR"),
1060 SND_SOC_DAPM_OUTPUT("EP"),
1061 SND_SOC_DAPM_OUTPUT("AUXL"),
1062 SND_SOC_DAPM_OUTPUT("AUXR"),
1063
1064 /* Analog input muxes for the capture amplifiers */
1065 SND_SOC_DAPM_MUX("Analog Left Capture Route",
1066 SND_SOC_NOPM, 0, 0, &amicl_control),
1067 SND_SOC_DAPM_MUX("Analog Right Capture Route",
1068 SND_SOC_NOPM, 0, 0, &amicr_control),
1069
1070 /* Analog capture PGAs */
1071 SND_SOC_DAPM_PGA("MicAmpL",
1072 TWL6040_REG_MICLCTL, 0, 0, NULL, 0),
1073 SND_SOC_DAPM_PGA("MicAmpR",
1074 TWL6040_REG_MICRCTL, 0, 0, NULL, 0),
1075
1076 /* Auxiliary FM PGAs */
1077 SND_SOC_DAPM_PGA("AFMAmpL",
1078 TWL6040_REG_MICLCTL, 1, 0, NULL, 0),
1079 SND_SOC_DAPM_PGA("AFMAmpR",
1080 TWL6040_REG_MICRCTL, 1, 0, NULL, 0),
1081
1082 /* ADCs */
1083 SND_SOC_DAPM_ADC("ADC Left", "Left Front Capture",
1084 TWL6040_REG_MICLCTL, 2, 0),
1085 SND_SOC_DAPM_ADC("ADC Right", "Right Front Capture",
1086 TWL6040_REG_MICRCTL, 2, 0),
1087
1088 /* Microphone bias */
1089 SND_SOC_DAPM_MICBIAS("Headset Mic Bias",
1090 TWL6040_REG_AMICBCTL, 0, 0),
1091 SND_SOC_DAPM_MICBIAS("Main Mic Bias",
1092 TWL6040_REG_AMICBCTL, 4, 0),
1093 SND_SOC_DAPM_MICBIAS("Digital Mic1 Bias",
1094 TWL6040_REG_DMICBCTL, 0, 0),
1095 SND_SOC_DAPM_MICBIAS("Digital Mic2 Bias",
1096 TWL6040_REG_DMICBCTL, 4, 0),
1097
1098 /* DACs */
1099 SND_SOC_DAPM_DAC_E("HSDAC Left", "Headset Playback",
1100 TWL6040_REG_HSLCTL, 0, 0,
1101 twl6040_hs_dac_event,
1102 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1103 SND_SOC_DAPM_DAC_E("HSDAC Right", "Headset Playback",
1104 TWL6040_REG_HSRCTL, 0, 0,
1105 twl6040_hs_dac_event,
1106 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1107 SND_SOC_DAPM_DAC_E("HFDAC Left", "Handsfree Playback",
1108 TWL6040_REG_HFLCTL, 0, 0,
1109 twl6040_power_mode_event,
1110 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1111 SND_SOC_DAPM_DAC_E("HFDAC Right", "Handsfree Playback",
1112 TWL6040_REG_HFRCTL, 0, 0,
1113 twl6040_power_mode_event,
1114 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1115
1116 SND_SOC_DAPM_MUX("Handsfree Left Playback",
1117 SND_SOC_NOPM, 0, 0, &hfl_mux_controls),
1118 SND_SOC_DAPM_MUX("Handsfree Right Playback",
1119 SND_SOC_NOPM, 0, 0, &hfr_mux_controls),
1120 /* Analog playback Muxes */
1121 SND_SOC_DAPM_MUX("Headset Left Playback",
1122 SND_SOC_NOPM, 0, 0, &hsl_mux_controls),
1123 SND_SOC_DAPM_MUX("Headset Right Playback",
1124 SND_SOC_NOPM, 0, 0, &hsr_mux_controls),
1125
1126 SND_SOC_DAPM_SWITCH("Earphone Playback", SND_SOC_NOPM, 0, 0,
1127 &ep_path_enable_control),
1128 SND_SOC_DAPM_SWITCH("AUXL Playback", SND_SOC_NOPM, 0, 0,
1129 &auxl_switch_control),
1130 SND_SOC_DAPM_SWITCH("AUXR Playback", SND_SOC_NOPM, 0, 0,
1131 &auxr_switch_control),
1132
1133 /* Analog playback drivers */
1134 SND_SOC_DAPM_OUT_DRV_E("HF Left Driver",
1135 TWL6040_REG_HFLCTL, 4, 0, NULL, 0,
1136 out_drv_event,
1137 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1138 SND_SOC_DAPM_OUT_DRV_E("HF Right Driver",
1139 TWL6040_REG_HFRCTL, 4, 0, NULL, 0,
1140 out_drv_event,
1141 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1142 SND_SOC_DAPM_OUT_DRV_E("HS Left Driver",
1143 TWL6040_REG_HSLCTL, 2, 0, NULL, 0,
1144 out_drv_event,
1145 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1146 SND_SOC_DAPM_OUT_DRV_E("HS Right Driver",
1147 TWL6040_REG_HSRCTL, 2, 0, NULL, 0,
1148 out_drv_event,
1149 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1150 SND_SOC_DAPM_OUT_DRV_E("Earphone Driver",
1151 TWL6040_REG_EARCTL, 0, 0, NULL, 0,
1152 twl6040_power_mode_event,
1153 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1154
1155 /* Analog playback PGAs */
1156 SND_SOC_DAPM_PGA("HF Left PGA",
1157 TWL6040_REG_HFLCTL, 1, 0, NULL, 0),
1158 SND_SOC_DAPM_PGA("HF Right PGA",
1159 TWL6040_REG_HFRCTL, 1, 0, NULL, 0),
1160
1161 };
1162
1163 static const struct snd_soc_dapm_route intercon[] = {
1164 /* Capture path */
1165 {"Analog Left Capture Route", "Headset Mic", "HSMIC"},
1166 {"Analog Left Capture Route", "Main Mic", "MAINMIC"},
1167 {"Analog Left Capture Route", "Aux/FM Left", "AFML"},
1168
1169 {"Analog Right Capture Route", "Headset Mic", "HSMIC"},
1170 {"Analog Right Capture Route", "Sub Mic", "SUBMIC"},
1171 {"Analog Right Capture Route", "Aux/FM Right", "AFMR"},
1172
1173 {"MicAmpL", NULL, "Analog Left Capture Route"},
1174 {"MicAmpR", NULL, "Analog Right Capture Route"},
1175
1176 {"ADC Left", NULL, "MicAmpL"},
1177 {"ADC Right", NULL, "MicAmpR"},
1178
1179 /* AFM path */
1180 {"AFMAmpL", NULL, "AFML"},
1181 {"AFMAmpR", NULL, "AFMR"},
1182
1183 {"Headset Left Playback", "HS DAC", "HSDAC Left"},
1184 {"Headset Left Playback", "Line-In amp", "AFMAmpL"},
1185
1186 {"Headset Right Playback", "HS DAC", "HSDAC Right"},
1187 {"Headset Right Playback", "Line-In amp", "AFMAmpR"},
1188
1189 {"HS Left Driver", NULL, "Headset Left Playback"},
1190 {"HS Right Driver", NULL, "Headset Right Playback"},
1191
1192 {"HSOL", NULL, "HS Left Driver"},
1193 {"HSOR", NULL, "HS Right Driver"},
1194
1195 /* Earphone playback path */
1196 {"Earphone Playback", "Switch", "HSDAC Left"},
1197 {"Earphone Driver", NULL, "Earphone Playback"},
1198 {"EP", NULL, "Earphone Driver"},
1199
1200 {"Handsfree Left Playback", "HF DAC", "HFDAC Left"},
1201 {"Handsfree Left Playback", "Line-In amp", "AFMAmpL"},
1202
1203 {"Handsfree Right Playback", "HF DAC", "HFDAC Right"},
1204 {"Handsfree Right Playback", "Line-In amp", "AFMAmpR"},
1205
1206 {"HF Left PGA", NULL, "Handsfree Left Playback"},
1207 {"HF Right PGA", NULL, "Handsfree Right Playback"},
1208
1209 {"HF Left Driver", NULL, "HF Left PGA"},
1210 {"HF Right Driver", NULL, "HF Right PGA"},
1211
1212 {"HFL", NULL, "HF Left Driver"},
1213 {"HFR", NULL, "HF Right Driver"},
1214
1215 {"AUXL Playback", "Switch", "HF Left PGA"},
1216 {"AUXR Playback", "Switch", "HF Right PGA"},
1217
1218 {"AUXL", NULL, "AUXL Playback"},
1219 {"AUXR", NULL, "AUXR Playback"},
1220 };
1221
1222 static int twl6040_add_widgets(struct snd_soc_codec *codec)
1223 {
1224 struct snd_soc_dapm_context *dapm = &codec->dapm;
1225
1226 snd_soc_dapm_new_controls(dapm, twl6040_dapm_widgets,
1227 ARRAY_SIZE(twl6040_dapm_widgets));
1228 snd_soc_dapm_add_routes(dapm, intercon, ARRAY_SIZE(intercon));
1229 snd_soc_dapm_new_widgets(dapm);
1230
1231 return 0;
1232 }
1233
1234 static int twl6040_set_bias_level(struct snd_soc_codec *codec,
1235 enum snd_soc_bias_level level)
1236 {
1237 struct twl6040 *twl6040 = codec->control_data;
1238 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1239 int ret;
1240
1241 switch (level) {
1242 case SND_SOC_BIAS_ON:
1243 break;
1244 case SND_SOC_BIAS_PREPARE:
1245 break;
1246 case SND_SOC_BIAS_STANDBY:
1247 if (priv->codec_powered)
1248 break;
1249
1250 ret = twl6040_power(twl6040, 1);
1251 if (ret)
1252 return ret;
1253
1254 priv->codec_powered = 1;
1255
1256 twl6040_restore_regs(codec);
1257
1258 /* Set external boost GPO */
1259 twl6040_write(codec, TWL6040_REG_GPOCTL, 0x02);
1260 break;
1261 case SND_SOC_BIAS_OFF:
1262 if (!priv->codec_powered)
1263 break;
1264
1265 twl6040_power(twl6040, 0);
1266 priv->codec_powered = 0;
1267 break;
1268 }
1269
1270 codec->dapm.bias_level = level;
1271
1272 return 0;
1273 }
1274
1275 static int twl6040_startup(struct snd_pcm_substream *substream,
1276 struct snd_soc_dai *dai)
1277 {
1278 struct snd_soc_pcm_runtime *rtd = substream->private_data;
1279 struct snd_soc_codec *codec = rtd->codec;
1280 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1281
1282 snd_pcm_hw_constraint_list(substream->runtime, 0,
1283 SNDRV_PCM_HW_PARAM_RATE,
1284 &sysclk_constraints[priv->pll_power_mode]);
1285
1286 return 0;
1287 }
1288
1289 static int twl6040_hw_params(struct snd_pcm_substream *substream,
1290 struct snd_pcm_hw_params *params,
1291 struct snd_soc_dai *dai)
1292 {
1293 struct snd_soc_pcm_runtime *rtd = substream->private_data;
1294 struct snd_soc_codec *codec = rtd->codec;
1295 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1296 int rate;
1297
1298 rate = params_rate(params);
1299 switch (rate) {
1300 case 11250:
1301 case 22500:
1302 case 44100:
1303 case 88200:
1304 /* These rates are not supported when HPPLL is in use */
1305 if (unlikely(priv->pll == TWL6040_SYSCLK_SEL_HPPLL)) {
1306 dev_err(codec->dev, "HPPLL does not support rate %d\n",
1307 rate);
1308 return -EINVAL;
1309 }
1310 /* Capture is not supported with 17.64MHz sysclk */
1311 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
1312 dev_err(codec->dev,
1313 "capture mode is not supported at %dHz\n",
1314 rate);
1315 return -EINVAL;
1316 }
1317 priv->sysclk = 17640000;
1318 break;
1319 case 8000:
1320 case 16000:
1321 case 32000:
1322 case 48000:
1323 case 96000:
1324 priv->sysclk = 19200000;
1325 break;
1326 default:
1327 dev_err(codec->dev, "unsupported rate %d\n", rate);
1328 return -EINVAL;
1329 }
1330
1331 return 0;
1332 }
1333
1334 static int twl6040_prepare(struct snd_pcm_substream *substream,
1335 struct snd_soc_dai *dai)
1336 {
1337 struct snd_soc_pcm_runtime *rtd = substream->private_data;
1338 struct snd_soc_codec *codec = rtd->codec;
1339 struct twl6040 *twl6040 = codec->control_data;
1340 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1341 int ret;
1342
1343 if (!priv->sysclk) {
1344 dev_err(codec->dev,
1345 "no mclk configured, call set_sysclk() on init\n");
1346 return -EINVAL;
1347 }
1348
1349 if ((priv->sysclk == 17640000) && priv->non_lp) {
1350 dev_err(codec->dev,
1351 "some enabled paths aren't supported at %dHz\n",
1352 priv->sysclk);
1353 return -EPERM;
1354 }
1355
1356 ret = twl6040_set_pll(twl6040, priv->pll, priv->clk_in, priv->sysclk);
1357 if (ret) {
1358 dev_err(codec->dev, "Can not set PLL (%d)\n", ret);
1359 return -EPERM;
1360 }
1361
1362 return 0;
1363 }
1364
1365 static int twl6040_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1366 int clk_id, unsigned int freq, int dir)
1367 {
1368 struct snd_soc_codec *codec = codec_dai->codec;
1369 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1370
1371 switch (clk_id) {
1372 case TWL6040_SYSCLK_SEL_LPPLL:
1373 case TWL6040_SYSCLK_SEL_HPPLL:
1374 priv->pll = clk_id;
1375 priv->clk_in = freq;
1376 break;
1377 default:
1378 dev_err(codec->dev, "unknown clk_id %d\n", clk_id);
1379 return -EINVAL;
1380 }
1381
1382 return 0;
1383 }
1384
1385 static struct snd_soc_dai_ops twl6040_dai_ops = {
1386 .startup = twl6040_startup,
1387 .hw_params = twl6040_hw_params,
1388 .prepare = twl6040_prepare,
1389 .set_sysclk = twl6040_set_dai_sysclk,
1390 };
1391
1392 static struct snd_soc_dai_driver twl6040_dai[] = {
1393 {
1394 .name = "twl6040-legacy",
1395 .playback = {
1396 .stream_name = "Playback",
1397 .channels_min = 1,
1398 .channels_max = 5,
1399 .rates = TWL6040_RATES,
1400 .formats = TWL6040_FORMATS,
1401 },
1402 .capture = {
1403 .stream_name = "Capture",
1404 .channels_min = 1,
1405 .channels_max = 2,
1406 .rates = TWL6040_RATES,
1407 .formats = TWL6040_FORMATS,
1408 },
1409 .ops = &twl6040_dai_ops,
1410 },
1411 {
1412 .name = "twl6040-ul",
1413 .capture = {
1414 .stream_name = "Capture",
1415 .channels_min = 1,
1416 .channels_max = 2,
1417 .rates = TWL6040_RATES,
1418 .formats = TWL6040_FORMATS,
1419 },
1420 .ops = &twl6040_dai_ops,
1421 },
1422 {
1423 .name = "twl6040-dl1",
1424 .playback = {
1425 .stream_name = "Headset Playback",
1426 .channels_min = 1,
1427 .channels_max = 2,
1428 .rates = TWL6040_RATES,
1429 .formats = TWL6040_FORMATS,
1430 },
1431 .ops = &twl6040_dai_ops,
1432 },
1433 {
1434 .name = "twl6040-dl2",
1435 .playback = {
1436 .stream_name = "Handsfree Playback",
1437 .channels_min = 1,
1438 .channels_max = 2,
1439 .rates = TWL6040_RATES,
1440 .formats = TWL6040_FORMATS,
1441 },
1442 .ops = &twl6040_dai_ops,
1443 },
1444 {
1445 .name = "twl6040-vib",
1446 .playback = {
1447 .stream_name = "Vibra Playback",
1448 .channels_min = 1,
1449 .channels_max = 1,
1450 .rates = SNDRV_PCM_RATE_CONTINUOUS,
1451 .formats = TWL6040_FORMATS,
1452 },
1453 .ops = &twl6040_dai_ops,
1454 },
1455 };
1456
1457 #ifdef CONFIG_PM
1458 static int twl6040_suspend(struct snd_soc_codec *codec, pm_message_t state)
1459 {
1460 twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
1461
1462 return 0;
1463 }
1464
1465 static int twl6040_resume(struct snd_soc_codec *codec)
1466 {
1467 twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1468 twl6040_set_bias_level(codec, codec->dapm.suspend_bias_level);
1469
1470 return 0;
1471 }
1472 #else
1473 #define twl6040_suspend NULL
1474 #define twl6040_resume NULL
1475 #endif
1476
1477 static int twl6040_probe(struct snd_soc_codec *codec)
1478 {
1479 struct twl6040_data *priv;
1480 struct twl4030_codec_data *pdata = dev_get_platdata(codec->dev);
1481 struct platform_device *pdev = container_of(codec->dev,
1482 struct platform_device, dev);
1483 int ret = 0;
1484
1485 priv = kzalloc(sizeof(struct twl6040_data), GFP_KERNEL);
1486 if (priv == NULL)
1487 return -ENOMEM;
1488 snd_soc_codec_set_drvdata(codec, priv);
1489
1490 priv->codec = codec;
1491 codec->control_data = dev_get_drvdata(codec->dev->parent);
1492
1493 if (pdata && pdata->hs_left_step && pdata->hs_right_step) {
1494 priv->hs_left_step = pdata->hs_left_step;
1495 priv->hs_right_step = pdata->hs_right_step;
1496 } else {
1497 priv->hs_left_step = 1;
1498 priv->hs_right_step = 1;
1499 }
1500
1501 if (pdata && pdata->hf_left_step && pdata->hf_right_step) {
1502 priv->hf_left_step = pdata->hf_left_step;
1503 priv->hf_right_step = pdata->hf_right_step;
1504 } else {
1505 priv->hf_left_step = 1;
1506 priv->hf_right_step = 1;
1507 }
1508
1509 priv->plug_irq = platform_get_irq(pdev, 0);
1510 if (priv->plug_irq < 0) {
1511 dev_err(codec->dev, "invalid irq\n");
1512 ret = -EINVAL;
1513 goto work_err;
1514 }
1515
1516 priv->workqueue = alloc_workqueue("twl6040-codec", 0, 0);
1517 if (!priv->workqueue) {
1518 ret = -ENOMEM;
1519 goto work_err;
1520 }
1521
1522 INIT_DELAYED_WORK(&priv->hs_jack.work, twl6040_accessory_work);
1523 INIT_DELAYED_WORK(&priv->headset.work, twl6040_pga_hs_work);
1524 INIT_DELAYED_WORK(&priv->handsfree.work, twl6040_pga_hf_work);
1525
1526 mutex_init(&priv->mutex);
1527
1528 init_completion(&priv->headset.ramp_done);
1529 init_completion(&priv->handsfree.ramp_done);
1530
1531 ret = request_threaded_irq(priv->plug_irq, NULL, twl6040_audio_handler,
1532 0, "twl6040_irq_plug", codec);
1533 if (ret) {
1534 dev_err(codec->dev, "PLUG IRQ request failed: %d\n", ret);
1535 goto plugirq_err;
1536 }
1537
1538 twl6040_init_chip(codec);
1539
1540 /* power on device */
1541 ret = twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1542 if (ret)
1543 goto bias_err;
1544
1545 snd_soc_add_controls(codec, twl6040_snd_controls,
1546 ARRAY_SIZE(twl6040_snd_controls));
1547 twl6040_add_widgets(codec);
1548
1549 return 0;
1550
1551 bias_err:
1552 free_irq(priv->plug_irq, codec);
1553 plugirq_err:
1554 destroy_workqueue(priv->workqueue);
1555 work_err:
1556 kfree(priv);
1557 return ret;
1558 }
1559
1560 static int twl6040_remove(struct snd_soc_codec *codec)
1561 {
1562 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1563
1564 twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
1565 free_irq(priv->plug_irq, codec);
1566 destroy_workqueue(priv->workqueue);
1567 kfree(priv);
1568
1569 return 0;
1570 }
1571
1572 static struct snd_soc_codec_driver soc_codec_dev_twl6040 = {
1573 .probe = twl6040_probe,
1574 .remove = twl6040_remove,
1575 .suspend = twl6040_suspend,
1576 .resume = twl6040_resume,
1577 .read = twl6040_read_reg_cache,
1578 .write = twl6040_write,
1579 .set_bias_level = twl6040_set_bias_level,
1580 .reg_cache_size = ARRAY_SIZE(twl6040_reg),
1581 .reg_word_size = sizeof(u8),
1582 .reg_cache_default = twl6040_reg,
1583 };
1584
1585 static int __devinit twl6040_codec_probe(struct platform_device *pdev)
1586 {
1587 return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_twl6040,
1588 twl6040_dai, ARRAY_SIZE(twl6040_dai));
1589 }
1590
1591 static int __devexit twl6040_codec_remove(struct platform_device *pdev)
1592 {
1593 snd_soc_unregister_codec(&pdev->dev);
1594 return 0;
1595 }
1596
1597 static struct platform_driver twl6040_codec_driver = {
1598 .driver = {
1599 .name = "twl6040-codec",
1600 .owner = THIS_MODULE,
1601 },
1602 .probe = twl6040_codec_probe,
1603 .remove = __devexit_p(twl6040_codec_remove),
1604 };
1605
1606 static int __init twl6040_codec_init(void)
1607 {
1608 return platform_driver_register(&twl6040_codec_driver);
1609 }
1610 module_init(twl6040_codec_init);
1611
1612 static void __exit twl6040_codec_exit(void)
1613 {
1614 platform_driver_unregister(&twl6040_codec_driver);
1615 }
1616 module_exit(twl6040_codec_exit);
1617
1618 MODULE_DESCRIPTION("ASoC TWL6040 codec driver");
1619 MODULE_AUTHOR("Misael Lopez Cruz");
1620 MODULE_LICENSE("GPL");
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree