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Revert "microblaze_mmu_v2: Update signal returning address"
[linux/fpc-iii.git] / sound / soc / codecs / twl6040.c
blobc084c549942ecef39ffa52788524125b2c8ef1b6
1 /*
2 * ALSA SoC TWL6040 codec driver
3 *
4 * Author: Misael Lopez Cruz <x0052729@ti.com>
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * version 2 as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
18 * 02110-1301 USA
19 *
20 */
21
22 #include <linux/module.h>
23 #include <linux/moduleparam.h>
24 #include <linux/init.h>
25 #include <linux/delay.h>
26 #include <linux/pm.h>
27 #include <linux/platform_device.h>
28 #include <linux/slab.h>
29 #include <linux/mfd/twl6040.h>
30
31 #include <sound/core.h>
32 #include <sound/pcm.h>
33 #include <sound/pcm_params.h>
34 #include <sound/soc.h>
35 #include <sound/soc-dapm.h>
36 #include <sound/initval.h>
37 #include <sound/tlv.h>
38
39 #include "twl6040.h"
40
41 #define TWL6040_RATES SNDRV_PCM_RATE_8000_96000
42 #define TWL6040_FORMATS (SNDRV_PCM_FMTBIT_S32_LE)
43
44 #define TWL6040_OUTHS_0dB 0x00
45 #define TWL6040_OUTHS_M30dB 0x0F
46 #define TWL6040_OUTHF_0dB 0x03
47 #define TWL6040_OUTHF_M52dB 0x1D
48
49 /* Shadow register used by the driver */
50 #define TWL6040_REG_SW_SHADOW 0x2F
51 #define TWL6040_CACHEREGNUM (TWL6040_REG_SW_SHADOW + 1)
52
53 /* TWL6040_REG_SW_SHADOW (0x2F) fields */
54 #define TWL6040_EAR_PATH_ENABLE 0x01
55
56 struct twl6040_jack_data {
57 struct snd_soc_jack *jack;
58 struct delayed_work work;
59 int report;
60 };
61
62 /* codec private data */
63 struct twl6040_data {
64 int plug_irq;
65 int codec_powered;
66 int pll;
67 int pll_power_mode;
68 int hs_power_mode;
69 int hs_power_mode_locked;
70 unsigned int clk_in;
71 unsigned int sysclk;
72 u16 hs_left_step;
73 u16 hs_right_step;
74 u16 hf_left_step;
75 u16 hf_right_step;
76 struct twl6040_jack_data hs_jack;
77 struct snd_soc_codec *codec;
78 struct workqueue_struct *workqueue;
79 struct mutex mutex;
80 };
81
82 /*
83 * twl6040 register cache & default register settings
84 */
85 static const u8 twl6040_reg[TWL6040_CACHEREGNUM] = {
86 0x00, /* not used 0x00 */
87 0x4B, /* REG_ASICID 0x01 (ro) */
88 0x00, /* REG_ASICREV 0x02 (ro) */
89 0x00, /* REG_INTID 0x03 */
90 0x00, /* REG_INTMR 0x04 */
91 0x00, /* REG_NCPCTRL 0x05 */
92 0x00, /* REG_LDOCTL 0x06 */
93 0x60, /* REG_HPPLLCTL 0x07 */
94 0x00, /* REG_LPPLLCTL 0x08 */
95 0x4A, /* REG_LPPLLDIV 0x09 */
96 0x00, /* REG_AMICBCTL 0x0A */
97 0x00, /* REG_DMICBCTL 0x0B */
98 0x00, /* REG_MICLCTL 0x0C */
99 0x00, /* REG_MICRCTL 0x0D */
100 0x00, /* REG_MICGAIN 0x0E */
101 0x1B, /* REG_LINEGAIN 0x0F */
102 0x00, /* REG_HSLCTL 0x10 */
103 0x00, /* REG_HSRCTL 0x11 */
104 0x00, /* REG_HSGAIN 0x12 */
105 0x00, /* REG_EARCTL 0x13 */
106 0x00, /* REG_HFLCTL 0x14 */
107 0x00, /* REG_HFLGAIN 0x15 */
108 0x00, /* REG_HFRCTL 0x16 */
109 0x00, /* REG_HFRGAIN 0x17 */
110 0x00, /* REG_VIBCTLL 0x18 */
111 0x00, /* REG_VIBDATL 0x19 */
112 0x00, /* REG_VIBCTLR 0x1A */
113 0x00, /* REG_VIBDATR 0x1B */
114 0x00, /* REG_HKCTL1 0x1C */
115 0x00, /* REG_HKCTL2 0x1D */
116 0x00, /* REG_GPOCTL 0x1E */
117 0x00, /* REG_ALB 0x1F */
118 0x00, /* REG_DLB 0x20 */
119 0x00, /* not used 0x21 */
120 0x00, /* not used 0x22 */
121 0x00, /* not used 0x23 */
122 0x00, /* not used 0x24 */
123 0x00, /* not used 0x25 */
124 0x00, /* not used 0x26 */
125 0x00, /* not used 0x27 */
126 0x00, /* REG_TRIM1 0x28 */
127 0x00, /* REG_TRIM2 0x29 */
128 0x00, /* REG_TRIM3 0x2A */
129 0x00, /* REG_HSOTRIM 0x2B */
130 0x00, /* REG_HFOTRIM 0x2C */
131 0x09, /* REG_ACCCTL 0x2D */
132 0x00, /* REG_STATUS 0x2E (ro) */
133
134 0x00, /* REG_SW_SHADOW 0x2F - Shadow, non HW register */
135 };
136
137 /* List of registers to be restored after power up */
138 static const int twl6040_restore_list[] = {
139 TWL6040_REG_MICLCTL,
140 TWL6040_REG_MICRCTL,
141 TWL6040_REG_MICGAIN,
142 TWL6040_REG_LINEGAIN,
143 TWL6040_REG_HSLCTL,
144 TWL6040_REG_HSRCTL,
145 TWL6040_REG_HSGAIN,
146 TWL6040_REG_EARCTL,
147 TWL6040_REG_HFLCTL,
148 TWL6040_REG_HFLGAIN,
149 TWL6040_REG_HFRCTL,
150 TWL6040_REG_HFRGAIN,
151 };
152
153 /* set of rates for each pll: low-power and high-performance */
154 static unsigned int lp_rates[] = {
155 8000,
156 11250,
157 16000,
158 22500,
159 32000,
160 44100,
161 48000,
162 88200,
163 96000,
164 };
165
166 static unsigned int hp_rates[] = {
167 8000,
168 16000,
169 32000,
170 48000,
171 96000,
172 };
173
174 static struct snd_pcm_hw_constraint_list sysclk_constraints[] = {
175 { .count = ARRAY_SIZE(lp_rates), .list = lp_rates, },
176 { .count = ARRAY_SIZE(hp_rates), .list = hp_rates, },
177 };
178
179 /*
180 * read twl6040 register cache
181 */
182 static inline unsigned int twl6040_read_reg_cache(struct snd_soc_codec *codec,
183 unsigned int reg)
184 {
185 u8 *cache = codec->reg_cache;
186
187 if (reg >= TWL6040_CACHEREGNUM)
188 return -EIO;
189
190 return cache[reg];
191 }
192
193 /*
194 * write twl6040 register cache
195 */
196 static inline void twl6040_write_reg_cache(struct snd_soc_codec *codec,
197 u8 reg, u8 value)
198 {
199 u8 *cache = codec->reg_cache;
200
201 if (reg >= TWL6040_CACHEREGNUM)
202 return;
203 cache[reg] = value;
204 }
205
206 /*
207 * read from twl6040 hardware register
208 */
209 static int twl6040_read_reg_volatile(struct snd_soc_codec *codec,
210 unsigned int reg)
211 {
212 struct twl6040 *twl6040 = codec->control_data;
213 u8 value;
214
215 if (reg >= TWL6040_CACHEREGNUM)
216 return -EIO;
217
218 if (likely(reg < TWL6040_REG_SW_SHADOW)) {
219 value = twl6040_reg_read(twl6040, reg);
220 twl6040_write_reg_cache(codec, reg, value);
221 } else {
222 value = twl6040_read_reg_cache(codec, reg);
223 }
224
225 return value;
226 }
227
228 /*
229 * write to the twl6040 register space
230 */
231 static int twl6040_write(struct snd_soc_codec *codec,
232 unsigned int reg, unsigned int value)
233 {
234 struct twl6040 *twl6040 = codec->control_data;
235
236 if (reg >= TWL6040_CACHEREGNUM)
237 return -EIO;
238
239 twl6040_write_reg_cache(codec, reg, value);
240 if (likely(reg < TWL6040_REG_SW_SHADOW))
241 return twl6040_reg_write(twl6040, reg, value);
242 else
243 return 0;
244 }
245
246 static void twl6040_init_chip(struct snd_soc_codec *codec)
247 {
248 struct twl6040 *twl6040 = codec->control_data;
249 u8 val;
250
251 /* Update reg_cache: ASICREV, and TRIM values */
252 val = twl6040_get_revid(twl6040);
253 twl6040_write_reg_cache(codec, TWL6040_REG_ASICREV, val);
254
255 twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM1);
256 twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM2);
257 twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM3);
258 twl6040_read_reg_volatile(codec, TWL6040_REG_HSOTRIM);
259 twl6040_read_reg_volatile(codec, TWL6040_REG_HFOTRIM);
260
261 /* Change chip defaults */
262 /* No imput selected for microphone amplifiers */
263 twl6040_write_reg_cache(codec, TWL6040_REG_MICLCTL, 0x18);
264 twl6040_write_reg_cache(codec, TWL6040_REG_MICRCTL, 0x18);
265
266 /*
267 * We need to lower the default gain values, so the ramp code
268 * can work correctly for the first playback.
269 * This reduces the pop noise heard at the first playback.
270 */
271 twl6040_write_reg_cache(codec, TWL6040_REG_HSGAIN, 0xff);
272 twl6040_write_reg_cache(codec, TWL6040_REG_EARCTL, 0x1e);
273 twl6040_write_reg_cache(codec, TWL6040_REG_HFLGAIN, 0x1d);
274 twl6040_write_reg_cache(codec, TWL6040_REG_HFRGAIN, 0x1d);
275 twl6040_write_reg_cache(codec, TWL6040_REG_LINEGAIN, 0);
276 }
277
278 static void twl6040_restore_regs(struct snd_soc_codec *codec)
279 {
280 u8 *cache = codec->reg_cache;
281 int reg, i;
282
283 for (i = 0; i < ARRAY_SIZE(twl6040_restore_list); i++) {
284 reg = twl6040_restore_list[i];
285 twl6040_write(codec, reg, cache[reg]);
286 }
287 }
288
289 /* set headset dac and driver power mode */
290 static int headset_power_mode(struct snd_soc_codec *codec, int high_perf)
291 {
292 int hslctl, hsrctl;
293 int mask = TWL6040_HSDRVMODE | TWL6040_HSDACMODE;
294
295 hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL);
296 hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL);
297
298 if (high_perf) {
299 hslctl &= ~mask;
300 hsrctl &= ~mask;
301 } else {
302 hslctl |= mask;
303 hsrctl |= mask;
304 }
305
306 twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl);
307 twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl);
308
309 return 0;
310 }
311
312 static int twl6040_hs_dac_event(struct snd_soc_dapm_widget *w,
313 struct snd_kcontrol *kcontrol, int event)
314 {
315 struct snd_soc_codec *codec = w->codec;
316 u8 hslctl, hsrctl;
317
318 /*
319 * Workaround for Headset DC offset caused pop noise:
320 * Both HS DAC need to be turned on (before the HS driver) and off at
321 * the same time.
322 */
323 hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL);
324 hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL);
325 if (SND_SOC_DAPM_EVENT_ON(event)) {
326 hslctl |= TWL6040_HSDACENA;
327 hsrctl |= TWL6040_HSDACENA;
328 } else {
329 hslctl &= ~TWL6040_HSDACENA;
330 hsrctl &= ~TWL6040_HSDACENA;
331 }
332 twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl);
333 twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl);
334
335 msleep(1);
336 return 0;
337 }
338
339 static int twl6040_ep_drv_event(struct snd_soc_dapm_widget *w,
340 struct snd_kcontrol *kcontrol, int event)
341 {
342 struct snd_soc_codec *codec = w->codec;
343 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
344 int ret = 0;
345
346 if (SND_SOC_DAPM_EVENT_ON(event)) {
347 /* Earphone doesn't support low power mode */
348 priv->hs_power_mode_locked = 1;
349 ret = headset_power_mode(codec, 1);
350 } else {
351 priv->hs_power_mode_locked = 0;
352 ret = headset_power_mode(codec, priv->hs_power_mode);
353 }
354
355 msleep(1);
356
357 return ret;
358 }
359
360 static void twl6040_hs_jack_report(struct snd_soc_codec *codec,
361 struct snd_soc_jack *jack, int report)
362 {
363 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
364 int status;
365
366 mutex_lock(&priv->mutex);
367
368 /* Sync status */
369 status = twl6040_read_reg_volatile(codec, TWL6040_REG_STATUS);
370 if (status & TWL6040_PLUGCOMP)
371 snd_soc_jack_report(jack, report, report);
372 else
373 snd_soc_jack_report(jack, 0, report);
374
375 mutex_unlock(&priv->mutex);
376 }
377
378 void twl6040_hs_jack_detect(struct snd_soc_codec *codec,
379 struct snd_soc_jack *jack, int report)
380 {
381 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
382 struct twl6040_jack_data *hs_jack = &priv->hs_jack;
383
384 hs_jack->jack = jack;
385 hs_jack->report = report;
386
387 twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
388 }
389 EXPORT_SYMBOL_GPL(twl6040_hs_jack_detect);
390
391 static void twl6040_accessory_work(struct work_struct *work)
392 {
393 struct twl6040_data *priv = container_of(work,
394 struct twl6040_data, hs_jack.work.work);
395 struct snd_soc_codec *codec = priv->codec;
396 struct twl6040_jack_data *hs_jack = &priv->hs_jack;
397
398 twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
399 }
400
401 /* audio interrupt handler */
402 static irqreturn_t twl6040_audio_handler(int irq, void *data)
403 {
404 struct snd_soc_codec *codec = data;
405 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
406
407 queue_delayed_work(priv->workqueue, &priv->hs_jack.work,
408 msecs_to_jiffies(200));
409
410 return IRQ_HANDLED;
411 }
412
413 static int twl6040_soc_dapm_put_vibra_enum(struct snd_kcontrol *kcontrol,
414 struct snd_ctl_elem_value *ucontrol)
415 {
416 struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
417 struct snd_soc_dapm_widget *widget = wlist->widgets[0];
418 struct snd_soc_codec *codec = widget->codec;
419 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
420 unsigned int val;
421
422 /* Do not allow changes while Input/FF efect is running */
423 val = twl6040_read_reg_volatile(codec, e->reg);
424 if (val & TWL6040_VIBENA && !(val & TWL6040_VIBSEL))
425 return -EBUSY;
426
427 return snd_soc_dapm_put_enum_double(kcontrol, ucontrol);
428 }
429
430 /*
431 * MICATT volume control:
432 * from -6 to 0 dB in 6 dB steps
433 */
434 static DECLARE_TLV_DB_SCALE(mic_preamp_tlv, -600, 600, 0);
435
436 /*
437 * MICGAIN volume control:
438 * from 6 to 30 dB in 6 dB steps
439 */
440 static DECLARE_TLV_DB_SCALE(mic_amp_tlv, 600, 600, 0);
441
442 /*
443 * AFMGAIN volume control:
444 * from -18 to 24 dB in 6 dB steps
445 */
446 static DECLARE_TLV_DB_SCALE(afm_amp_tlv, -1800, 600, 0);
447
448 /*
449 * HSGAIN volume control:
450 * from -30 to 0 dB in 2 dB steps
451 */
452 static DECLARE_TLV_DB_SCALE(hs_tlv, -3000, 200, 0);
453
454 /*
455 * HFGAIN volume control:
456 * from -52 to 6 dB in 2 dB steps
457 */
458 static DECLARE_TLV_DB_SCALE(hf_tlv, -5200, 200, 0);
459
460 /*
461 * EPGAIN volume control:
462 * from -24 to 6 dB in 2 dB steps
463 */
464 static DECLARE_TLV_DB_SCALE(ep_tlv, -2400, 200, 0);
465
466 /* Left analog microphone selection */
467 static const char *twl6040_amicl_texts[] =
468 {"Headset Mic", "Main Mic", "Aux/FM Left", "Off"};
469
470 /* Right analog microphone selection */
471 static const char *twl6040_amicr_texts[] =
472 {"Headset Mic", "Sub Mic", "Aux/FM Right", "Off"};
473
474 static const struct soc_enum twl6040_enum[] = {
475 SOC_ENUM_SINGLE(TWL6040_REG_MICLCTL, 3, 4, twl6040_amicl_texts),
476 SOC_ENUM_SINGLE(TWL6040_REG_MICRCTL, 3, 4, twl6040_amicr_texts),
477 };
478
479 static const char *twl6040_hs_texts[] = {
480 "Off", "HS DAC", "Line-In amp"
481 };
482
483 static const struct soc_enum twl6040_hs_enum[] = {
484 SOC_ENUM_SINGLE(TWL6040_REG_HSLCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
485 twl6040_hs_texts),
486 SOC_ENUM_SINGLE(TWL6040_REG_HSRCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
487 twl6040_hs_texts),
488 };
489
490 static const char *twl6040_hf_texts[] = {
491 "Off", "HF DAC", "Line-In amp"
492 };
493
494 static const struct soc_enum twl6040_hf_enum[] = {
495 SOC_ENUM_SINGLE(TWL6040_REG_HFLCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
496 twl6040_hf_texts),
497 SOC_ENUM_SINGLE(TWL6040_REG_HFRCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
498 twl6040_hf_texts),
499 };
500
501 static const char *twl6040_vibrapath_texts[] = {
502 "Input FF", "Audio PDM"
503 };
504
505 static const struct soc_enum twl6040_vibra_enum[] = {
506 SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLL, 1,
507 ARRAY_SIZE(twl6040_vibrapath_texts),
508 twl6040_vibrapath_texts),
509 SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLR, 1,
510 ARRAY_SIZE(twl6040_vibrapath_texts),
511 twl6040_vibrapath_texts),
512 };
513
514 static const struct snd_kcontrol_new amicl_control =
515 SOC_DAPM_ENUM("Route", twl6040_enum[0]);
516
517 static const struct snd_kcontrol_new amicr_control =
518 SOC_DAPM_ENUM("Route", twl6040_enum[1]);
519
520 /* Headset DAC playback switches */
521 static const struct snd_kcontrol_new hsl_mux_controls =
522 SOC_DAPM_ENUM("Route", twl6040_hs_enum[0]);
523
524 static const struct snd_kcontrol_new hsr_mux_controls =
525 SOC_DAPM_ENUM("Route", twl6040_hs_enum[1]);
526
527 /* Handsfree DAC playback switches */
528 static const struct snd_kcontrol_new hfl_mux_controls =
529 SOC_DAPM_ENUM("Route", twl6040_hf_enum[0]);
530
531 static const struct snd_kcontrol_new hfr_mux_controls =
532 SOC_DAPM_ENUM("Route", twl6040_hf_enum[1]);
533
534 static const struct snd_kcontrol_new ep_path_enable_control =
535 SOC_DAPM_SINGLE("Switch", TWL6040_REG_SW_SHADOW, 0, 1, 0);
536
537 static const struct snd_kcontrol_new auxl_switch_control =
538 SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFLCTL, 6, 1, 0);
539
540 static const struct snd_kcontrol_new auxr_switch_control =
541 SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFRCTL, 6, 1, 0);
542
543 /* Vibra playback switches */
544 static const struct snd_kcontrol_new vibral_mux_controls =
545 SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[0],
546 snd_soc_dapm_get_enum_double,
547 twl6040_soc_dapm_put_vibra_enum);
548
549 static const struct snd_kcontrol_new vibrar_mux_controls =
550 SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[1],
551 snd_soc_dapm_get_enum_double,
552 twl6040_soc_dapm_put_vibra_enum);
553
554 /* Headset power mode */
555 static const char *twl6040_power_mode_texts[] = {
556 "Low-Power", "High-Performance",
557 };
558
559 static const struct soc_enum twl6040_power_mode_enum =
560 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(twl6040_power_mode_texts),
561 twl6040_power_mode_texts);
562
563 static int twl6040_headset_power_get_enum(struct snd_kcontrol *kcontrol,
564 struct snd_ctl_elem_value *ucontrol)
565 {
566 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
567 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
568
569 ucontrol->value.enumerated.item[0] = priv->hs_power_mode;
570
571 return 0;
572 }
573
574 static int twl6040_headset_power_put_enum(struct snd_kcontrol *kcontrol,
575 struct snd_ctl_elem_value *ucontrol)
576 {
577 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
578 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
579 int high_perf = ucontrol->value.enumerated.item[0];
580 int ret = 0;
581
582 if (!priv->hs_power_mode_locked)
583 ret = headset_power_mode(codec, high_perf);
584
585 if (!ret)
586 priv->hs_power_mode = high_perf;
587
588 return ret;
589 }
590
591 static int twl6040_pll_get_enum(struct snd_kcontrol *kcontrol,
592 struct snd_ctl_elem_value *ucontrol)
593 {
594 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
595 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
596
597 ucontrol->value.enumerated.item[0] = priv->pll_power_mode;
598
599 return 0;
600 }
601
602 static int twl6040_pll_put_enum(struct snd_kcontrol *kcontrol,
603 struct snd_ctl_elem_value *ucontrol)
604 {
605 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
606 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
607
608 priv->pll_power_mode = ucontrol->value.enumerated.item[0];
609
610 return 0;
611 }
612
613 int twl6040_get_dl1_gain(struct snd_soc_codec *codec)
614 {
615 struct snd_soc_dapm_context *dapm = &codec->dapm;
616
617 if (snd_soc_dapm_get_pin_status(dapm, "EP"))
618 return -1; /* -1dB */
619
620 if (snd_soc_dapm_get_pin_status(dapm, "HSOR") ||
621 snd_soc_dapm_get_pin_status(dapm, "HSOL")) {
622
623 u8 val = snd_soc_read(codec, TWL6040_REG_HSLCTL);
624 if (val & TWL6040_HSDACMODE)
625 /* HSDACL in LP mode */
626 return -8; /* -8dB */
627 else
628 /* HSDACL in HP mode */
629 return -1; /* -1dB */
630 }
631 return 0; /* 0dB */
632 }
633 EXPORT_SYMBOL_GPL(twl6040_get_dl1_gain);
634
635 int twl6040_get_clk_id(struct snd_soc_codec *codec)
636 {
637 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
638
639 return priv->pll_power_mode;
640 }
641 EXPORT_SYMBOL_GPL(twl6040_get_clk_id);
642
643 int twl6040_get_trim_value(struct snd_soc_codec *codec, enum twl6040_trim trim)
644 {
645 if (unlikely(trim >= TWL6040_TRIM_INVAL))
646 return -EINVAL;
647
648 return twl6040_read_reg_cache(codec, TWL6040_REG_TRIM1 + trim);
649 }
650 EXPORT_SYMBOL_GPL(twl6040_get_trim_value);
651
652 int twl6040_get_hs_step_size(struct snd_soc_codec *codec)
653 {
654 struct twl6040 *twl6040 = codec->control_data;
655
656 if (twl6040_get_revid(twl6040) < TWL6040_REV_ES1_3)
657 /* For ES under ES_1.3 HS step is 2 mV */
658 return 2;
659 else
660 /* For ES_1.3 HS step is 1 mV */
661 return 1;
662 }
663 EXPORT_SYMBOL_GPL(twl6040_get_hs_step_size);
664
665 static const struct snd_kcontrol_new twl6040_snd_controls[] = {
666 /* Capture gains */
667 SOC_DOUBLE_TLV("Capture Preamplifier Volume",
668 TWL6040_REG_MICGAIN, 6, 7, 1, 1, mic_preamp_tlv),
669 SOC_DOUBLE_TLV("Capture Volume",
670 TWL6040_REG_MICGAIN, 0, 3, 4, 0, mic_amp_tlv),
671
672 /* AFM gains */
673 SOC_DOUBLE_TLV("Aux FM Volume",
674 TWL6040_REG_LINEGAIN, 0, 3, 7, 0, afm_amp_tlv),
675
676 /* Playback gains */
677 SOC_DOUBLE_TLV("Headset Playback Volume",
678 TWL6040_REG_HSGAIN, 0, 4, 0xF, 1, hs_tlv),
679 SOC_DOUBLE_R_TLV("Handsfree Playback Volume",
680 TWL6040_REG_HFLGAIN, TWL6040_REG_HFRGAIN, 0, 0x1D, 1, hf_tlv),
681 SOC_SINGLE_TLV("Earphone Playback Volume",
682 TWL6040_REG_EARCTL, 1, 0xF, 1, ep_tlv),
683
684 SOC_ENUM_EXT("Headset Power Mode", twl6040_power_mode_enum,
685 twl6040_headset_power_get_enum,
686 twl6040_headset_power_put_enum),
687
688 SOC_ENUM_EXT("PLL Selection", twl6040_power_mode_enum,
689 twl6040_pll_get_enum, twl6040_pll_put_enum),
690 };
691
692 static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
693 /* Inputs */
694 SND_SOC_DAPM_INPUT("MAINMIC"),
695 SND_SOC_DAPM_INPUT("HSMIC"),
696 SND_SOC_DAPM_INPUT("SUBMIC"),
697 SND_SOC_DAPM_INPUT("AFML"),
698 SND_SOC_DAPM_INPUT("AFMR"),
699
700 /* Outputs */
701 SND_SOC_DAPM_OUTPUT("HSOL"),
702 SND_SOC_DAPM_OUTPUT("HSOR"),
703 SND_SOC_DAPM_OUTPUT("HFL"),
704 SND_SOC_DAPM_OUTPUT("HFR"),
705 SND_SOC_DAPM_OUTPUT("EP"),
706 SND_SOC_DAPM_OUTPUT("AUXL"),
707 SND_SOC_DAPM_OUTPUT("AUXR"),
708 SND_SOC_DAPM_OUTPUT("VIBRAL"),
709 SND_SOC_DAPM_OUTPUT("VIBRAR"),
710
711 /* Analog input muxes for the capture amplifiers */
712 SND_SOC_DAPM_MUX("Analog Left Capture Route",
713 SND_SOC_NOPM, 0, 0, &amicl_control),
714 SND_SOC_DAPM_MUX("Analog Right Capture Route",
715 SND_SOC_NOPM, 0, 0, &amicr_control),
716
717 /* Analog capture PGAs */
718 SND_SOC_DAPM_PGA("MicAmpL",
719 TWL6040_REG_MICLCTL, 0, 0, NULL, 0),
720 SND_SOC_DAPM_PGA("MicAmpR",
721 TWL6040_REG_MICRCTL, 0, 0, NULL, 0),
722
723 /* Auxiliary FM PGAs */
724 SND_SOC_DAPM_PGA("AFMAmpL",
725 TWL6040_REG_MICLCTL, 1, 0, NULL, 0),
726 SND_SOC_DAPM_PGA("AFMAmpR",
727 TWL6040_REG_MICRCTL, 1, 0, NULL, 0),
728
729 /* ADCs */
730 SND_SOC_DAPM_ADC("ADC Left", "Left Front Capture",
731 TWL6040_REG_MICLCTL, 2, 0),
732 SND_SOC_DAPM_ADC("ADC Right", "Right Front Capture",
733 TWL6040_REG_MICRCTL, 2, 0),
734
735 /* Microphone bias */
736 SND_SOC_DAPM_SUPPLY("Headset Mic Bias",
737 TWL6040_REG_AMICBCTL, 0, 0, NULL, 0),
738 SND_SOC_DAPM_SUPPLY("Main Mic Bias",
739 TWL6040_REG_AMICBCTL, 4, 0, NULL, 0),
740 SND_SOC_DAPM_SUPPLY("Digital Mic1 Bias",
741 TWL6040_REG_DMICBCTL, 0, 0, NULL, 0),
742 SND_SOC_DAPM_SUPPLY("Digital Mic2 Bias",
743 TWL6040_REG_DMICBCTL, 4, 0, NULL, 0),
744
745 /* DACs */
746 SND_SOC_DAPM_DAC("HSDAC Left", "Headset Playback", SND_SOC_NOPM, 0, 0),
747 SND_SOC_DAPM_DAC("HSDAC Right", "Headset Playback", SND_SOC_NOPM, 0, 0),
748 SND_SOC_DAPM_DAC("HFDAC Left", "Handsfree Playback",
749 TWL6040_REG_HFLCTL, 0, 0),
750 SND_SOC_DAPM_DAC("HFDAC Right", "Handsfree Playback",
751 TWL6040_REG_HFRCTL, 0, 0),
752 /* Virtual DAC for vibra path (DL4 channel) */
753 SND_SOC_DAPM_DAC("VIBRA DAC", "Vibra Playback",
754 SND_SOC_NOPM, 0, 0),
755
756 SND_SOC_DAPM_MUX("Handsfree Left Playback",
757 SND_SOC_NOPM, 0, 0, &hfl_mux_controls),
758 SND_SOC_DAPM_MUX("Handsfree Right Playback",
759 SND_SOC_NOPM, 0, 0, &hfr_mux_controls),
760 /* Analog playback Muxes */
761 SND_SOC_DAPM_MUX("Headset Left Playback",
762 SND_SOC_NOPM, 0, 0, &hsl_mux_controls),
763 SND_SOC_DAPM_MUX("Headset Right Playback",
764 SND_SOC_NOPM, 0, 0, &hsr_mux_controls),
765
766 SND_SOC_DAPM_MUX("Vibra Left Playback", SND_SOC_NOPM, 0, 0,
767 &vibral_mux_controls),
768 SND_SOC_DAPM_MUX("Vibra Right Playback", SND_SOC_NOPM, 0, 0,
769 &vibrar_mux_controls),
770
771 SND_SOC_DAPM_SWITCH("Earphone Playback", SND_SOC_NOPM, 0, 0,
772 &ep_path_enable_control),
773 SND_SOC_DAPM_SWITCH("AUXL Playback", SND_SOC_NOPM, 0, 0,
774 &auxl_switch_control),
775 SND_SOC_DAPM_SWITCH("AUXR Playback", SND_SOC_NOPM, 0, 0,
776 &auxr_switch_control),
777
778 /* Analog playback drivers */
779 SND_SOC_DAPM_OUT_DRV("HF Left Driver",
780 TWL6040_REG_HFLCTL, 4, 0, NULL, 0),
781 SND_SOC_DAPM_OUT_DRV("HF Right Driver",
782 TWL6040_REG_HFRCTL, 4, 0, NULL, 0),
783 SND_SOC_DAPM_OUT_DRV("HS Left Driver",
784 TWL6040_REG_HSLCTL, 2, 0, NULL, 0),
785 SND_SOC_DAPM_OUT_DRV("HS Right Driver",
786 TWL6040_REG_HSRCTL, 2, 0, NULL, 0),
787 SND_SOC_DAPM_OUT_DRV_E("Earphone Driver",
788 TWL6040_REG_EARCTL, 0, 0, NULL, 0,
789 twl6040_ep_drv_event,
790 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
791 SND_SOC_DAPM_OUT_DRV("Vibra Left Driver",
792 TWL6040_REG_VIBCTLL, 0, 0, NULL, 0),
793 SND_SOC_DAPM_OUT_DRV("Vibra Right Driver",
794 TWL6040_REG_VIBCTLR, 0, 0, NULL, 0),
795
796 SND_SOC_DAPM_SUPPLY("Vibra Left Control", TWL6040_REG_VIBCTLL, 2, 0,
797 NULL, 0),
798 SND_SOC_DAPM_SUPPLY("Vibra Right Control", TWL6040_REG_VIBCTLR, 2, 0,
799 NULL, 0),
800 SND_SOC_DAPM_SUPPLY_S("HSDAC Power", 1, SND_SOC_NOPM, 0, 0,
801 twl6040_hs_dac_event,
802 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
803
804 /* Analog playback PGAs */
805 SND_SOC_DAPM_PGA("HF Left PGA",
806 TWL6040_REG_HFLCTL, 1, 0, NULL, 0),
807 SND_SOC_DAPM_PGA("HF Right PGA",
808 TWL6040_REG_HFRCTL, 1, 0, NULL, 0),
809
810 };
811
812 static const struct snd_soc_dapm_route intercon[] = {
813 /* Capture path */
814 {"Analog Left Capture Route", "Headset Mic", "HSMIC"},
815 {"Analog Left Capture Route", "Main Mic", "MAINMIC"},
816 {"Analog Left Capture Route", "Aux/FM Left", "AFML"},
817
818 {"Analog Right Capture Route", "Headset Mic", "HSMIC"},
819 {"Analog Right Capture Route", "Sub Mic", "SUBMIC"},
820 {"Analog Right Capture Route", "Aux/FM Right", "AFMR"},
821
822 {"MicAmpL", NULL, "Analog Left Capture Route"},
823 {"MicAmpR", NULL, "Analog Right Capture Route"},
824
825 {"ADC Left", NULL, "MicAmpL"},
826 {"ADC Right", NULL, "MicAmpR"},
827
828 /* AFM path */
829 {"AFMAmpL", NULL, "AFML"},
830 {"AFMAmpR", NULL, "AFMR"},
831
832 {"HSDAC Left", NULL, "HSDAC Power"},
833 {"HSDAC Right", NULL, "HSDAC Power"},
834
835 {"Headset Left Playback", "HS DAC", "HSDAC Left"},
836 {"Headset Left Playback", "Line-In amp", "AFMAmpL"},
837
838 {"Headset Right Playback", "HS DAC", "HSDAC Right"},
839 {"Headset Right Playback", "Line-In amp", "AFMAmpR"},
840
841 {"HS Left Driver", NULL, "Headset Left Playback"},
842 {"HS Right Driver", NULL, "Headset Right Playback"},
843
844 {"HSOL", NULL, "HS Left Driver"},
845 {"HSOR", NULL, "HS Right Driver"},
846
847 /* Earphone playback path */
848 {"Earphone Playback", "Switch", "HSDAC Left"},
849 {"Earphone Driver", NULL, "Earphone Playback"},
850 {"EP", NULL, "Earphone Driver"},
851
852 {"Handsfree Left Playback", "HF DAC", "HFDAC Left"},
853 {"Handsfree Left Playback", "Line-In amp", "AFMAmpL"},
854
855 {"Handsfree Right Playback", "HF DAC", "HFDAC Right"},
856 {"Handsfree Right Playback", "Line-In amp", "AFMAmpR"},
857
858 {"HF Left PGA", NULL, "Handsfree Left Playback"},
859 {"HF Right PGA", NULL, "Handsfree Right Playback"},
860
861 {"HF Left Driver", NULL, "HF Left PGA"},
862 {"HF Right Driver", NULL, "HF Right PGA"},
863
864 {"HFL", NULL, "HF Left Driver"},
865 {"HFR", NULL, "HF Right Driver"},
866
867 {"AUXL Playback", "Switch", "HF Left PGA"},
868 {"AUXR Playback", "Switch", "HF Right PGA"},
869
870 {"AUXL", NULL, "AUXL Playback"},
871 {"AUXR", NULL, "AUXR Playback"},
872
873 /* Vibrator paths */
874 {"Vibra Left Playback", "Audio PDM", "VIBRA DAC"},
875 {"Vibra Right Playback", "Audio PDM", "VIBRA DAC"},
876
877 {"Vibra Left Driver", NULL, "Vibra Left Playback"},
878 {"Vibra Right Driver", NULL, "Vibra Right Playback"},
879 {"Vibra Left Driver", NULL, "Vibra Left Control"},
880 {"Vibra Right Driver", NULL, "Vibra Right Control"},
881
882 {"VIBRAL", NULL, "Vibra Left Driver"},
883 {"VIBRAR", NULL, "Vibra Right Driver"},
884 };
885
886 static int twl6040_set_bias_level(struct snd_soc_codec *codec,
887 enum snd_soc_bias_level level)
888 {
889 struct twl6040 *twl6040 = codec->control_data;
890 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
891 int ret;
892
893 switch (level) {
894 case SND_SOC_BIAS_ON:
895 break;
896 case SND_SOC_BIAS_PREPARE:
897 break;
898 case SND_SOC_BIAS_STANDBY:
899 if (priv->codec_powered)
900 break;
901
902 ret = twl6040_power(twl6040, 1);
903 if (ret)
904 return ret;
905
906 priv->codec_powered = 1;
907
908 twl6040_restore_regs(codec);
909
910 /* Set external boost GPO */
911 twl6040_write(codec, TWL6040_REG_GPOCTL, 0x02);
912 break;
913 case SND_SOC_BIAS_OFF:
914 if (!priv->codec_powered)
915 break;
916
917 twl6040_power(twl6040, 0);
918 priv->codec_powered = 0;
919 break;
920 }
921
922 codec->dapm.bias_level = level;
923
924 return 0;
925 }
926
927 static int twl6040_startup(struct snd_pcm_substream *substream,
928 struct snd_soc_dai *dai)
929 {
930 struct snd_soc_codec *codec = dai->codec;
931 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
932
933 snd_pcm_hw_constraint_list(substream->runtime, 0,
934 SNDRV_PCM_HW_PARAM_RATE,
935 &sysclk_constraints[priv->pll_power_mode]);
936
937 return 0;
938 }
939
940 static int twl6040_hw_params(struct snd_pcm_substream *substream,
941 struct snd_pcm_hw_params *params,
942 struct snd_soc_dai *dai)
943 {
944 struct snd_soc_codec *codec = dai->codec;
945 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
946 int rate;
947
948 rate = params_rate(params);
949 switch (rate) {
950 case 11250:
951 case 22500:
952 case 44100:
953 case 88200:
954 /* These rates are not supported when HPPLL is in use */
955 if (unlikely(priv->pll == TWL6040_SYSCLK_SEL_HPPLL)) {
956 dev_err(codec->dev, "HPPLL does not support rate %d\n",
957 rate);
958 return -EINVAL;
959 }
960 priv->sysclk = 17640000;
961 break;
962 case 8000:
963 case 16000:
964 case 32000:
965 case 48000:
966 case 96000:
967 priv->sysclk = 19200000;
968 break;
969 default:
970 dev_err(codec->dev, "unsupported rate %d\n", rate);
971 return -EINVAL;
972 }
973
974 return 0;
975 }
976
977 static int twl6040_prepare(struct snd_pcm_substream *substream,
978 struct snd_soc_dai *dai)
979 {
980 struct snd_soc_codec *codec = dai->codec;
981 struct twl6040 *twl6040 = codec->control_data;
982 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
983 int ret;
984
985 if (!priv->sysclk) {
986 dev_err(codec->dev,
987 "no mclk configured, call set_sysclk() on init\n");
988 return -EINVAL;
989 }
990
991 ret = twl6040_set_pll(twl6040, priv->pll, priv->clk_in, priv->sysclk);
992 if (ret) {
993 dev_err(codec->dev, "Can not set PLL (%d)\n", ret);
994 return -EPERM;
995 }
996
997 return 0;
998 }
999
1000 static int twl6040_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1001 int clk_id, unsigned int freq, int dir)
1002 {
1003 struct snd_soc_codec *codec = codec_dai->codec;
1004 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1005
1006 switch (clk_id) {
1007 case TWL6040_SYSCLK_SEL_LPPLL:
1008 case TWL6040_SYSCLK_SEL_HPPLL:
1009 priv->pll = clk_id;
1010 priv->clk_in = freq;
1011 break;
1012 default:
1013 dev_err(codec->dev, "unknown clk_id %d\n", clk_id);
1014 return -EINVAL;
1015 }
1016
1017 return 0;
1018 }
1019
1020 static const struct snd_soc_dai_ops twl6040_dai_ops = {
1021 .startup = twl6040_startup,
1022 .hw_params = twl6040_hw_params,
1023 .prepare = twl6040_prepare,
1024 .set_sysclk = twl6040_set_dai_sysclk,
1025 };
1026
1027 static struct snd_soc_dai_driver twl6040_dai[] = {
1028 {
1029 .name = "twl6040-legacy",
1030 .playback = {
1031 .stream_name = "Playback",
1032 .channels_min = 1,
1033 .channels_max = 5,
1034 .rates = TWL6040_RATES,
1035 .formats = TWL6040_FORMATS,
1036 },
1037 .capture = {
1038 .stream_name = "Capture",
1039 .channels_min = 1,
1040 .channels_max = 2,
1041 .rates = TWL6040_RATES,
1042 .formats = TWL6040_FORMATS,
1043 },
1044 .ops = &twl6040_dai_ops,
1045 },
1046 {
1047 .name = "twl6040-ul",
1048 .capture = {
1049 .stream_name = "Capture",
1050 .channels_min = 1,
1051 .channels_max = 2,
1052 .rates = TWL6040_RATES,
1053 .formats = TWL6040_FORMATS,
1054 },
1055 .ops = &twl6040_dai_ops,
1056 },
1057 {
1058 .name = "twl6040-dl1",
1059 .playback = {
1060 .stream_name = "Headset Playback",
1061 .channels_min = 1,
1062 .channels_max = 2,
1063 .rates = TWL6040_RATES,
1064 .formats = TWL6040_FORMATS,
1065 },
1066 .ops = &twl6040_dai_ops,
1067 },
1068 {
1069 .name = "twl6040-dl2",
1070 .playback = {
1071 .stream_name = "Handsfree Playback",
1072 .channels_min = 1,
1073 .channels_max = 2,
1074 .rates = TWL6040_RATES,
1075 .formats = TWL6040_FORMATS,
1076 },
1077 .ops = &twl6040_dai_ops,
1078 },
1079 {
1080 .name = "twl6040-vib",
1081 .playback = {
1082 .stream_name = "Vibra Playback",
1083 .channels_min = 1,
1084 .channels_max = 1,
1085 .rates = SNDRV_PCM_RATE_CONTINUOUS,
1086 .formats = TWL6040_FORMATS,
1087 },
1088 .ops = &twl6040_dai_ops,
1089 },
1090 };
1091
1092 #ifdef CONFIG_PM
1093 static int twl6040_suspend(struct snd_soc_codec *codec)
1094 {
1095 twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
1096
1097 return 0;
1098 }
1099
1100 static int twl6040_resume(struct snd_soc_codec *codec)
1101 {
1102 twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1103 twl6040_set_bias_level(codec, codec->dapm.suspend_bias_level);
1104
1105 return 0;
1106 }
1107 #else
1108 #define twl6040_suspend NULL
1109 #define twl6040_resume NULL
1110 #endif
1111
1112 static int twl6040_probe(struct snd_soc_codec *codec)
1113 {
1114 struct twl6040_data *priv;
1115 struct twl6040_codec_data *pdata = dev_get_platdata(codec->dev);
1116 struct platform_device *pdev = container_of(codec->dev,
1117 struct platform_device, dev);
1118 int ret = 0;
1119
1120 priv = kzalloc(sizeof(struct twl6040_data), GFP_KERNEL);
1121 if (priv == NULL)
1122 return -ENOMEM;
1123 snd_soc_codec_set_drvdata(codec, priv);
1124
1125 priv->codec = codec;
1126 codec->control_data = dev_get_drvdata(codec->dev->parent);
1127
1128 if (pdata && pdata->hs_left_step && pdata->hs_right_step) {
1129 priv->hs_left_step = pdata->hs_left_step;
1130 priv->hs_right_step = pdata->hs_right_step;
1131 } else {
1132 priv->hs_left_step = 1;
1133 priv->hs_right_step = 1;
1134 }
1135
1136 if (pdata && pdata->hf_left_step && pdata->hf_right_step) {
1137 priv->hf_left_step = pdata->hf_left_step;
1138 priv->hf_right_step = pdata->hf_right_step;
1139 } else {
1140 priv->hf_left_step = 1;
1141 priv->hf_right_step = 1;
1142 }
1143
1144 priv->plug_irq = platform_get_irq(pdev, 0);
1145 if (priv->plug_irq < 0) {
1146 dev_err(codec->dev, "invalid irq\n");
1147 ret = -EINVAL;
1148 goto work_err;
1149 }
1150
1151 priv->workqueue = alloc_workqueue("twl6040-codec", 0, 0);
1152 if (!priv->workqueue) {
1153 ret = -ENOMEM;
1154 goto work_err;
1155 }
1156
1157 INIT_DELAYED_WORK(&priv->hs_jack.work, twl6040_accessory_work);
1158
1159 mutex_init(&priv->mutex);
1160
1161 ret = request_threaded_irq(priv->plug_irq, NULL, twl6040_audio_handler,
1162 0, "twl6040_irq_plug", codec);
1163 if (ret) {
1164 dev_err(codec->dev, "PLUG IRQ request failed: %d\n", ret);
1165 goto plugirq_err;
1166 }
1167
1168 twl6040_init_chip(codec);
1169
1170 /* power on device */
1171 ret = twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1172 if (!ret)
1173 return 0;
1174
1175 /* Error path */
1176 free_irq(priv->plug_irq, codec);
1177 plugirq_err:
1178 destroy_workqueue(priv->workqueue);
1179 work_err:
1180 kfree(priv);
1181 return ret;
1182 }
1183
1184 static int twl6040_remove(struct snd_soc_codec *codec)
1185 {
1186 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1187
1188 twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
1189 free_irq(priv->plug_irq, codec);
1190 destroy_workqueue(priv->workqueue);
1191 kfree(priv);
1192
1193 return 0;
1194 }
1195
1196 static struct snd_soc_codec_driver soc_codec_dev_twl6040 = {
1197 .probe = twl6040_probe,
1198 .remove = twl6040_remove,
1199 .suspend = twl6040_suspend,
1200 .resume = twl6040_resume,
1201 .read = twl6040_read_reg_cache,
1202 .write = twl6040_write,
1203 .set_bias_level = twl6040_set_bias_level,
1204 .reg_cache_size = ARRAY_SIZE(twl6040_reg),
1205 .reg_word_size = sizeof(u8),
1206 .reg_cache_default = twl6040_reg,
1207 .ignore_pmdown_time = true,
1208
1209 .controls = twl6040_snd_controls,
1210 .num_controls = ARRAY_SIZE(twl6040_snd_controls),
1211 .dapm_widgets = twl6040_dapm_widgets,
1212 .num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets),
1213 .dapm_routes = intercon,
1214 .num_dapm_routes = ARRAY_SIZE(intercon),
1215 };
1216
1217 static int __devinit twl6040_codec_probe(struct platform_device *pdev)
1218 {
1219 return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_twl6040,
1220 twl6040_dai, ARRAY_SIZE(twl6040_dai));
1221 }
1222
1223 static int __devexit twl6040_codec_remove(struct platform_device *pdev)
1224 {
1225 snd_soc_unregister_codec(&pdev->dev);
1226 return 0;
1227 }
1228
1229 static struct platform_driver twl6040_codec_driver = {
1230 .driver = {
1231 .name = "twl6040-codec",
1232 .owner = THIS_MODULE,
1233 },
1234 .probe = twl6040_codec_probe,
1235 .remove = __devexit_p(twl6040_codec_remove),
1236 };
1237
1238 module_platform_driver(twl6040_codec_driver);
1239
1240 MODULE_DESCRIPTION("ASoC TWL6040 codec driver");
1241 MODULE_AUTHOR("Misael Lopez Cruz");
1242 MODULE_LICENSE("GPL");
Linux with added FPC-III support