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ASoC: twl6040: Use power efficient workqueue
[deliverable/linux.git] / sound / soc / codecs / twl6040.c
1 /*
2 * ALSA SoC TWL6040 codec driver
3 *
4 * Author: Misael Lopez Cruz <x0052729@ti.com>
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * version 2 as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
18 * 02110-1301 USA
19 *
20 */
21
22 #include <linux/module.h>
23 #include <linux/moduleparam.h>
24 #include <linux/init.h>
25 #include <linux/delay.h>
26 #include <linux/pm.h>
27 #include <linux/platform_device.h>
28 #include <linux/slab.h>
29 #include <linux/mfd/twl6040.h>
30
31 #include <sound/core.h>
32 #include <sound/pcm.h>
33 #include <sound/pcm_params.h>
34 #include <sound/soc.h>
35 #include <sound/soc-dapm.h>
36 #include <sound/initval.h>
37 #include <sound/tlv.h>
38
39 #include "twl6040.h"
40
41 enum twl6040_dai_id {
42 TWL6040_DAI_LEGACY = 0,
43 TWL6040_DAI_UL,
44 TWL6040_DAI_DL1,
45 TWL6040_DAI_DL2,
46 TWL6040_DAI_VIB,
47 };
48
49 #define TWL6040_RATES SNDRV_PCM_RATE_8000_96000
50 #define TWL6040_FORMATS (SNDRV_PCM_FMTBIT_S32_LE)
51
52 #define TWL6040_OUTHS_0dB 0x00
53 #define TWL6040_OUTHS_M30dB 0x0F
54 #define TWL6040_OUTHF_0dB 0x03
55 #define TWL6040_OUTHF_M52dB 0x1D
56
57 /* Shadow register used by the driver */
58 #define TWL6040_REG_SW_SHADOW 0x2F
59 #define TWL6040_CACHEREGNUM (TWL6040_REG_SW_SHADOW + 1)
60
61 /* TWL6040_REG_SW_SHADOW (0x2F) fields */
62 #define TWL6040_EAR_PATH_ENABLE 0x01
63
64 struct twl6040_jack_data {
65 struct snd_soc_jack *jack;
66 struct delayed_work work;
67 int report;
68 };
69
70 /* codec private data */
71 struct twl6040_data {
72 int plug_irq;
73 int codec_powered;
74 int pll;
75 int pll_power_mode;
76 int hs_power_mode;
77 int hs_power_mode_locked;
78 bool dl1_unmuted;
79 bool dl2_unmuted;
80 unsigned int clk_in;
81 unsigned int sysclk;
82 struct twl6040_jack_data hs_jack;
83 struct snd_soc_codec *codec;
84 struct mutex mutex;
85 };
86
87 /*
88 * twl6040 register cache & default register settings
89 */
90 static const u8 twl6040_reg[TWL6040_CACHEREGNUM] = {
91 0x00, /* not used 0x00 */
92 0x4B, /* REG_ASICID 0x01 (ro) */
93 0x00, /* REG_ASICREV 0x02 (ro) */
94 0x00, /* REG_INTID 0x03 */
95 0x00, /* REG_INTMR 0x04 */
96 0x00, /* REG_NCPCTRL 0x05 */
97 0x00, /* REG_LDOCTL 0x06 */
98 0x60, /* REG_HPPLLCTL 0x07 */
99 0x00, /* REG_LPPLLCTL 0x08 */
100 0x4A, /* REG_LPPLLDIV 0x09 */
101 0x00, /* REG_AMICBCTL 0x0A */
102 0x00, /* REG_DMICBCTL 0x0B */
103 0x00, /* REG_MICLCTL 0x0C */
104 0x00, /* REG_MICRCTL 0x0D */
105 0x00, /* REG_MICGAIN 0x0E */
106 0x1B, /* REG_LINEGAIN 0x0F */
107 0x00, /* REG_HSLCTL 0x10 */
108 0x00, /* REG_HSRCTL 0x11 */
109 0x00, /* REG_HSGAIN 0x12 */
110 0x00, /* REG_EARCTL 0x13 */
111 0x00, /* REG_HFLCTL 0x14 */
112 0x00, /* REG_HFLGAIN 0x15 */
113 0x00, /* REG_HFRCTL 0x16 */
114 0x00, /* REG_HFRGAIN 0x17 */
115 0x00, /* REG_VIBCTLL 0x18 */
116 0x00, /* REG_VIBDATL 0x19 */
117 0x00, /* REG_VIBCTLR 0x1A */
118 0x00, /* REG_VIBDATR 0x1B */
119 0x00, /* REG_HKCTL1 0x1C */
120 0x00, /* REG_HKCTL2 0x1D */
121 0x00, /* REG_GPOCTL 0x1E */
122 0x00, /* REG_ALB 0x1F */
123 0x00, /* REG_DLB 0x20 */
124 0x00, /* not used 0x21 */
125 0x00, /* not used 0x22 */
126 0x00, /* not used 0x23 */
127 0x00, /* not used 0x24 */
128 0x00, /* not used 0x25 */
129 0x00, /* not used 0x26 */
130 0x00, /* not used 0x27 */
131 0x00, /* REG_TRIM1 0x28 */
132 0x00, /* REG_TRIM2 0x29 */
133 0x00, /* REG_TRIM3 0x2A */
134 0x00, /* REG_HSOTRIM 0x2B */
135 0x00, /* REG_HFOTRIM 0x2C */
136 0x09, /* REG_ACCCTL 0x2D */
137 0x00, /* REG_STATUS 0x2E (ro) */
138
139 0x00, /* REG_SW_SHADOW 0x2F - Shadow, non HW register */
140 };
141
142 /* List of registers to be restored after power up */
143 static const int twl6040_restore_list[] = {
144 TWL6040_REG_MICLCTL,
145 TWL6040_REG_MICRCTL,
146 TWL6040_REG_MICGAIN,
147 TWL6040_REG_LINEGAIN,
148 TWL6040_REG_HSLCTL,
149 TWL6040_REG_HSRCTL,
150 TWL6040_REG_HSGAIN,
151 TWL6040_REG_EARCTL,
152 TWL6040_REG_HFLCTL,
153 TWL6040_REG_HFLGAIN,
154 TWL6040_REG_HFRCTL,
155 TWL6040_REG_HFRGAIN,
156 };
157
158 /* set of rates for each pll: low-power and high-performance */
159 static unsigned int lp_rates[] = {
160 8000,
161 11250,
162 16000,
163 22500,
164 32000,
165 44100,
166 48000,
167 88200,
168 96000,
169 };
170
171 static unsigned int hp_rates[] = {
172 8000,
173 16000,
174 32000,
175 48000,
176 96000,
177 };
178
179 static struct snd_pcm_hw_constraint_list sysclk_constraints[] = {
180 { .count = ARRAY_SIZE(lp_rates), .list = lp_rates, },
181 { .count = ARRAY_SIZE(hp_rates), .list = hp_rates, },
182 };
183
184 /*
185 * read twl6040 register cache
186 */
187 static inline unsigned int twl6040_read_reg_cache(struct snd_soc_codec *codec,
188 unsigned int reg)
189 {
190 u8 *cache = codec->reg_cache;
191
192 if (reg >= TWL6040_CACHEREGNUM)
193 return -EIO;
194
195 return cache[reg];
196 }
197
198 /*
199 * write twl6040 register cache
200 */
201 static inline void twl6040_write_reg_cache(struct snd_soc_codec *codec,
202 u8 reg, u8 value)
203 {
204 u8 *cache = codec->reg_cache;
205
206 if (reg >= TWL6040_CACHEREGNUM)
207 return;
208 cache[reg] = value;
209 }
210
211 /*
212 * read from twl6040 hardware register
213 */
214 static int twl6040_read_reg_volatile(struct snd_soc_codec *codec,
215 unsigned int reg)
216 {
217 struct twl6040 *twl6040 = codec->control_data;
218 u8 value;
219
220 if (reg >= TWL6040_CACHEREGNUM)
221 return -EIO;
222
223 if (likely(reg < TWL6040_REG_SW_SHADOW)) {
224 value = twl6040_reg_read(twl6040, reg);
225 twl6040_write_reg_cache(codec, reg, value);
226 } else {
227 value = twl6040_read_reg_cache(codec, reg);
228 }
229
230 return value;
231 }
232
233 static bool twl6040_is_path_unmuted(struct snd_soc_codec *codec,
234 unsigned int reg)
235 {
236 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
237
238 switch (reg) {
239 case TWL6040_REG_HSLCTL:
240 case TWL6040_REG_HSRCTL:
241 case TWL6040_REG_EARCTL:
242 /* DL1 path */
243 return priv->dl1_unmuted;
244 case TWL6040_REG_HFLCTL:
245 case TWL6040_REG_HFRCTL:
246 return priv->dl2_unmuted;
247 default:
248 return 1;
249 };
250 }
251
252 /*
253 * write to the twl6040 register space
254 */
255 static int twl6040_write(struct snd_soc_codec *codec,
256 unsigned int reg, unsigned int value)
257 {
258 struct twl6040 *twl6040 = codec->control_data;
259
260 if (reg >= TWL6040_CACHEREGNUM)
261 return -EIO;
262
263 twl6040_write_reg_cache(codec, reg, value);
264 if (likely(reg < TWL6040_REG_SW_SHADOW) &&
265 twl6040_is_path_unmuted(codec, reg))
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 /* set headset dac and driver power mode */
315 static int headset_power_mode(struct snd_soc_codec *codec, int high_perf)
316 {
317 int hslctl, hsrctl;
318 int mask = TWL6040_HSDRVMODE | TWL6040_HSDACMODE;
319
320 hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL);
321 hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL);
322
323 if (high_perf) {
324 hslctl &= ~mask;
325 hsrctl &= ~mask;
326 } else {
327 hslctl |= mask;
328 hsrctl |= mask;
329 }
330
331 twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl);
332 twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl);
333
334 return 0;
335 }
336
337 static int twl6040_hs_dac_event(struct snd_soc_dapm_widget *w,
338 struct snd_kcontrol *kcontrol, int event)
339 {
340 struct snd_soc_codec *codec = w->codec;
341 u8 hslctl, hsrctl;
342
343 /*
344 * Workaround for Headset DC offset caused pop noise:
345 * Both HS DAC need to be turned on (before the HS driver) and off at
346 * the same time.
347 */
348 hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL);
349 hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL);
350 if (SND_SOC_DAPM_EVENT_ON(event)) {
351 hslctl |= TWL6040_HSDACENA;
352 hsrctl |= TWL6040_HSDACENA;
353 } else {
354 hslctl &= ~TWL6040_HSDACENA;
355 hsrctl &= ~TWL6040_HSDACENA;
356 }
357 twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl);
358 twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl);
359
360 msleep(1);
361 return 0;
362 }
363
364 static int twl6040_ep_drv_event(struct snd_soc_dapm_widget *w,
365 struct snd_kcontrol *kcontrol, int event)
366 {
367 struct snd_soc_codec *codec = w->codec;
368 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
369 int ret = 0;
370
371 if (SND_SOC_DAPM_EVENT_ON(event)) {
372 /* Earphone doesn't support low power mode */
373 priv->hs_power_mode_locked = 1;
374 ret = headset_power_mode(codec, 1);
375 } else {
376 priv->hs_power_mode_locked = 0;
377 ret = headset_power_mode(codec, priv->hs_power_mode);
378 }
379
380 msleep(1);
381
382 return ret;
383 }
384
385 static void twl6040_hs_jack_report(struct snd_soc_codec *codec,
386 struct snd_soc_jack *jack, int report)
387 {
388 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
389 int status;
390
391 mutex_lock(&priv->mutex);
392
393 /* Sync status */
394 status = twl6040_read_reg_volatile(codec, TWL6040_REG_STATUS);
395 if (status & TWL6040_PLUGCOMP)
396 snd_soc_jack_report(jack, report, report);
397 else
398 snd_soc_jack_report(jack, 0, report);
399
400 mutex_unlock(&priv->mutex);
401 }
402
403 void twl6040_hs_jack_detect(struct snd_soc_codec *codec,
404 struct snd_soc_jack *jack, int report)
405 {
406 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
407 struct twl6040_jack_data *hs_jack = &priv->hs_jack;
408
409 hs_jack->jack = jack;
410 hs_jack->report = report;
411
412 twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
413 }
414 EXPORT_SYMBOL_GPL(twl6040_hs_jack_detect);
415
416 static void twl6040_accessory_work(struct work_struct *work)
417 {
418 struct twl6040_data *priv = container_of(work,
419 struct twl6040_data, hs_jack.work.work);
420 struct snd_soc_codec *codec = priv->codec;
421 struct twl6040_jack_data *hs_jack = &priv->hs_jack;
422
423 twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
424 }
425
426 /* audio interrupt handler */
427 static irqreturn_t twl6040_audio_handler(int irq, void *data)
428 {
429 struct snd_soc_codec *codec = data;
430 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
431
432 queue_delayed_work(system_power_efficient_wq,
433 &priv->hs_jack.work, msecs_to_jiffies(200));
434
435 return IRQ_HANDLED;
436 }
437
438 static int twl6040_soc_dapm_put_vibra_enum(struct snd_kcontrol *kcontrol,
439 struct snd_ctl_elem_value *ucontrol)
440 {
441 struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
442 struct snd_soc_dapm_widget *widget = wlist->widgets[0];
443 struct snd_soc_codec *codec = widget->codec;
444 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
445 unsigned int val;
446
447 /* Do not allow changes while Input/FF efect is running */
448 val = twl6040_read_reg_volatile(codec, e->reg);
449 if (val & TWL6040_VIBENA && !(val & TWL6040_VIBSEL))
450 return -EBUSY;
451
452 return snd_soc_dapm_put_enum_double(kcontrol, ucontrol);
453 }
454
455 /*
456 * MICATT volume control:
457 * from -6 to 0 dB in 6 dB steps
458 */
459 static DECLARE_TLV_DB_SCALE(mic_preamp_tlv, -600, 600, 0);
460
461 /*
462 * MICGAIN volume control:
463 * from 6 to 30 dB in 6 dB steps
464 */
465 static DECLARE_TLV_DB_SCALE(mic_amp_tlv, 600, 600, 0);
466
467 /*
468 * AFMGAIN volume control:
469 * from -18 to 24 dB in 6 dB steps
470 */
471 static DECLARE_TLV_DB_SCALE(afm_amp_tlv, -1800, 600, 0);
472
473 /*
474 * HSGAIN volume control:
475 * from -30 to 0 dB in 2 dB steps
476 */
477 static DECLARE_TLV_DB_SCALE(hs_tlv, -3000, 200, 0);
478
479 /*
480 * HFGAIN volume control:
481 * from -52 to 6 dB in 2 dB steps
482 */
483 static DECLARE_TLV_DB_SCALE(hf_tlv, -5200, 200, 0);
484
485 /*
486 * EPGAIN volume control:
487 * from -24 to 6 dB in 2 dB steps
488 */
489 static DECLARE_TLV_DB_SCALE(ep_tlv, -2400, 200, 0);
490
491 /* Left analog microphone selection */
492 static const char *twl6040_amicl_texts[] =
493 {"Headset Mic", "Main Mic", "Aux/FM Left", "Off"};
494
495 /* Right analog microphone selection */
496 static const char *twl6040_amicr_texts[] =
497 {"Headset Mic", "Sub Mic", "Aux/FM Right", "Off"};
498
499 static const struct soc_enum twl6040_enum[] = {
500 SOC_ENUM_SINGLE(TWL6040_REG_MICLCTL, 3, 4, twl6040_amicl_texts),
501 SOC_ENUM_SINGLE(TWL6040_REG_MICRCTL, 3, 4, twl6040_amicr_texts),
502 };
503
504 static const char *twl6040_hs_texts[] = {
505 "Off", "HS DAC", "Line-In amp"
506 };
507
508 static const struct soc_enum twl6040_hs_enum[] = {
509 SOC_ENUM_SINGLE(TWL6040_REG_HSLCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
510 twl6040_hs_texts),
511 SOC_ENUM_SINGLE(TWL6040_REG_HSRCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
512 twl6040_hs_texts),
513 };
514
515 static const char *twl6040_hf_texts[] = {
516 "Off", "HF DAC", "Line-In amp"
517 };
518
519 static const struct soc_enum twl6040_hf_enum[] = {
520 SOC_ENUM_SINGLE(TWL6040_REG_HFLCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
521 twl6040_hf_texts),
522 SOC_ENUM_SINGLE(TWL6040_REG_HFRCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
523 twl6040_hf_texts),
524 };
525
526 static const char *twl6040_vibrapath_texts[] = {
527 "Input FF", "Audio PDM"
528 };
529
530 static const struct soc_enum twl6040_vibra_enum[] = {
531 SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLL, 1,
532 ARRAY_SIZE(twl6040_vibrapath_texts),
533 twl6040_vibrapath_texts),
534 SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLR, 1,
535 ARRAY_SIZE(twl6040_vibrapath_texts),
536 twl6040_vibrapath_texts),
537 };
538
539 static const struct snd_kcontrol_new amicl_control =
540 SOC_DAPM_ENUM("Route", twl6040_enum[0]);
541
542 static const struct snd_kcontrol_new amicr_control =
543 SOC_DAPM_ENUM("Route", twl6040_enum[1]);
544
545 /* Headset DAC playback switches */
546 static const struct snd_kcontrol_new hsl_mux_controls =
547 SOC_DAPM_ENUM("Route", twl6040_hs_enum[0]);
548
549 static const struct snd_kcontrol_new hsr_mux_controls =
550 SOC_DAPM_ENUM("Route", twl6040_hs_enum[1]);
551
552 /* Handsfree DAC playback switches */
553 static const struct snd_kcontrol_new hfl_mux_controls =
554 SOC_DAPM_ENUM("Route", twl6040_hf_enum[0]);
555
556 static const struct snd_kcontrol_new hfr_mux_controls =
557 SOC_DAPM_ENUM("Route", twl6040_hf_enum[1]);
558
559 static const struct snd_kcontrol_new ep_path_enable_control =
560 SOC_DAPM_SINGLE("Switch", TWL6040_REG_SW_SHADOW, 0, 1, 0);
561
562 static const struct snd_kcontrol_new auxl_switch_control =
563 SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFLCTL, 6, 1, 0);
564
565 static const struct snd_kcontrol_new auxr_switch_control =
566 SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFRCTL, 6, 1, 0);
567
568 /* Vibra playback switches */
569 static const struct snd_kcontrol_new vibral_mux_controls =
570 SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[0],
571 snd_soc_dapm_get_enum_double,
572 twl6040_soc_dapm_put_vibra_enum);
573
574 static const struct snd_kcontrol_new vibrar_mux_controls =
575 SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[1],
576 snd_soc_dapm_get_enum_double,
577 twl6040_soc_dapm_put_vibra_enum);
578
579 /* Headset power mode */
580 static const char *twl6040_power_mode_texts[] = {
581 "Low-Power", "High-Performance",
582 };
583
584 static const struct soc_enum twl6040_power_mode_enum =
585 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(twl6040_power_mode_texts),
586 twl6040_power_mode_texts);
587
588 static int twl6040_headset_power_get_enum(struct snd_kcontrol *kcontrol,
589 struct snd_ctl_elem_value *ucontrol)
590 {
591 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
592 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
593
594 ucontrol->value.enumerated.item[0] = priv->hs_power_mode;
595
596 return 0;
597 }
598
599 static int twl6040_headset_power_put_enum(struct snd_kcontrol *kcontrol,
600 struct snd_ctl_elem_value *ucontrol)
601 {
602 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
603 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
604 int high_perf = ucontrol->value.enumerated.item[0];
605 int ret = 0;
606
607 if (!priv->hs_power_mode_locked)
608 ret = headset_power_mode(codec, high_perf);
609
610 if (!ret)
611 priv->hs_power_mode = high_perf;
612
613 return ret;
614 }
615
616 static int twl6040_pll_get_enum(struct snd_kcontrol *kcontrol,
617 struct snd_ctl_elem_value *ucontrol)
618 {
619 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
620 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
621
622 ucontrol->value.enumerated.item[0] = priv->pll_power_mode;
623
624 return 0;
625 }
626
627 static int twl6040_pll_put_enum(struct snd_kcontrol *kcontrol,
628 struct snd_ctl_elem_value *ucontrol)
629 {
630 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
631 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
632
633 priv->pll_power_mode = ucontrol->value.enumerated.item[0];
634
635 return 0;
636 }
637
638 int twl6040_get_dl1_gain(struct snd_soc_codec *codec)
639 {
640 struct snd_soc_dapm_context *dapm = &codec->dapm;
641
642 if (snd_soc_dapm_get_pin_status(dapm, "EP"))
643 return -1; /* -1dB */
644
645 if (snd_soc_dapm_get_pin_status(dapm, "HSOR") ||
646 snd_soc_dapm_get_pin_status(dapm, "HSOL")) {
647
648 u8 val = snd_soc_read(codec, TWL6040_REG_HSLCTL);
649 if (val & TWL6040_HSDACMODE)
650 /* HSDACL in LP mode */
651 return -8; /* -8dB */
652 else
653 /* HSDACL in HP mode */
654 return -1; /* -1dB */
655 }
656 return 0; /* 0dB */
657 }
658 EXPORT_SYMBOL_GPL(twl6040_get_dl1_gain);
659
660 int twl6040_get_clk_id(struct snd_soc_codec *codec)
661 {
662 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
663
664 return priv->pll_power_mode;
665 }
666 EXPORT_SYMBOL_GPL(twl6040_get_clk_id);
667
668 int twl6040_get_trim_value(struct snd_soc_codec *codec, enum twl6040_trim trim)
669 {
670 if (unlikely(trim >= TWL6040_TRIM_INVAL))
671 return -EINVAL;
672
673 return twl6040_read_reg_cache(codec, TWL6040_REG_TRIM1 + trim);
674 }
675 EXPORT_SYMBOL_GPL(twl6040_get_trim_value);
676
677 int twl6040_get_hs_step_size(struct snd_soc_codec *codec)
678 {
679 struct twl6040 *twl6040 = codec->control_data;
680
681 if (twl6040_get_revid(twl6040) < TWL6040_REV_ES1_3)
682 /* For ES under ES_1.3 HS step is 2 mV */
683 return 2;
684 else
685 /* For ES_1.3 HS step is 1 mV */
686 return 1;
687 }
688 EXPORT_SYMBOL_GPL(twl6040_get_hs_step_size);
689
690 static const struct snd_kcontrol_new twl6040_snd_controls[] = {
691 /* Capture gains */
692 SOC_DOUBLE_TLV("Capture Preamplifier Volume",
693 TWL6040_REG_MICGAIN, 6, 7, 1, 1, mic_preamp_tlv),
694 SOC_DOUBLE_TLV("Capture Volume",
695 TWL6040_REG_MICGAIN, 0, 3, 4, 0, mic_amp_tlv),
696
697 /* AFM gains */
698 SOC_DOUBLE_TLV("Aux FM Volume",
699 TWL6040_REG_LINEGAIN, 0, 3, 7, 0, afm_amp_tlv),
700
701 /* Playback gains */
702 SOC_DOUBLE_TLV("Headset Playback Volume",
703 TWL6040_REG_HSGAIN, 0, 4, 0xF, 1, hs_tlv),
704 SOC_DOUBLE_R_TLV("Handsfree Playback Volume",
705 TWL6040_REG_HFLGAIN, TWL6040_REG_HFRGAIN, 0, 0x1D, 1, hf_tlv),
706 SOC_SINGLE_TLV("Earphone Playback Volume",
707 TWL6040_REG_EARCTL, 1, 0xF, 1, ep_tlv),
708
709 SOC_ENUM_EXT("Headset Power Mode", twl6040_power_mode_enum,
710 twl6040_headset_power_get_enum,
711 twl6040_headset_power_put_enum),
712
713 SOC_ENUM_EXT("PLL Selection", twl6040_power_mode_enum,
714 twl6040_pll_get_enum, twl6040_pll_put_enum),
715 };
716
717 static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
718 /* Inputs */
719 SND_SOC_DAPM_INPUT("MAINMIC"),
720 SND_SOC_DAPM_INPUT("HSMIC"),
721 SND_SOC_DAPM_INPUT("SUBMIC"),
722 SND_SOC_DAPM_INPUT("AFML"),
723 SND_SOC_DAPM_INPUT("AFMR"),
724
725 /* Outputs */
726 SND_SOC_DAPM_OUTPUT("HSOL"),
727 SND_SOC_DAPM_OUTPUT("HSOR"),
728 SND_SOC_DAPM_OUTPUT("HFL"),
729 SND_SOC_DAPM_OUTPUT("HFR"),
730 SND_SOC_DAPM_OUTPUT("EP"),
731 SND_SOC_DAPM_OUTPUT("AUXL"),
732 SND_SOC_DAPM_OUTPUT("AUXR"),
733 SND_SOC_DAPM_OUTPUT("VIBRAL"),
734 SND_SOC_DAPM_OUTPUT("VIBRAR"),
735
736 /* Analog input muxes for the capture amplifiers */
737 SND_SOC_DAPM_MUX("Analog Left Capture Route",
738 SND_SOC_NOPM, 0, 0, &amicl_control),
739 SND_SOC_DAPM_MUX("Analog Right Capture Route",
740 SND_SOC_NOPM, 0, 0, &amicr_control),
741
742 /* Analog capture PGAs */
743 SND_SOC_DAPM_PGA("MicAmpL",
744 TWL6040_REG_MICLCTL, 0, 0, NULL, 0),
745 SND_SOC_DAPM_PGA("MicAmpR",
746 TWL6040_REG_MICRCTL, 0, 0, NULL, 0),
747
748 /* Auxiliary FM PGAs */
749 SND_SOC_DAPM_PGA("AFMAmpL",
750 TWL6040_REG_MICLCTL, 1, 0, NULL, 0),
751 SND_SOC_DAPM_PGA("AFMAmpR",
752 TWL6040_REG_MICRCTL, 1, 0, NULL, 0),
753
754 /* ADCs */
755 SND_SOC_DAPM_ADC("ADC Left", NULL, TWL6040_REG_MICLCTL, 2, 0),
756 SND_SOC_DAPM_ADC("ADC Right", NULL, TWL6040_REG_MICRCTL, 2, 0),
757
758 /* Microphone bias */
759 SND_SOC_DAPM_SUPPLY("Headset Mic Bias",
760 TWL6040_REG_AMICBCTL, 0, 0, NULL, 0),
761 SND_SOC_DAPM_SUPPLY("Main Mic Bias",
762 TWL6040_REG_AMICBCTL, 4, 0, NULL, 0),
763 SND_SOC_DAPM_SUPPLY("Digital Mic1 Bias",
764 TWL6040_REG_DMICBCTL, 0, 0, NULL, 0),
765 SND_SOC_DAPM_SUPPLY("Digital Mic2 Bias",
766 TWL6040_REG_DMICBCTL, 4, 0, NULL, 0),
767
768 /* DACs */
769 SND_SOC_DAPM_DAC("HSDAC Left", NULL, SND_SOC_NOPM, 0, 0),
770 SND_SOC_DAPM_DAC("HSDAC Right", NULL, SND_SOC_NOPM, 0, 0),
771 SND_SOC_DAPM_DAC("HFDAC Left", NULL, TWL6040_REG_HFLCTL, 0, 0),
772 SND_SOC_DAPM_DAC("HFDAC Right", NULL, TWL6040_REG_HFRCTL, 0, 0),
773 /* Virtual DAC for vibra path (DL4 channel) */
774 SND_SOC_DAPM_DAC("VIBRA DAC", NULL, SND_SOC_NOPM, 0, 0),
775
776 SND_SOC_DAPM_MUX("Handsfree Left Playback",
777 SND_SOC_NOPM, 0, 0, &hfl_mux_controls),
778 SND_SOC_DAPM_MUX("Handsfree Right Playback",
779 SND_SOC_NOPM, 0, 0, &hfr_mux_controls),
780 /* Analog playback Muxes */
781 SND_SOC_DAPM_MUX("Headset Left Playback",
782 SND_SOC_NOPM, 0, 0, &hsl_mux_controls),
783 SND_SOC_DAPM_MUX("Headset Right Playback",
784 SND_SOC_NOPM, 0, 0, &hsr_mux_controls),
785
786 SND_SOC_DAPM_MUX("Vibra Left Playback", SND_SOC_NOPM, 0, 0,
787 &vibral_mux_controls),
788 SND_SOC_DAPM_MUX("Vibra Right Playback", SND_SOC_NOPM, 0, 0,
789 &vibrar_mux_controls),
790
791 SND_SOC_DAPM_SWITCH("Earphone Playback", SND_SOC_NOPM, 0, 0,
792 &ep_path_enable_control),
793 SND_SOC_DAPM_SWITCH("AUXL Playback", SND_SOC_NOPM, 0, 0,
794 &auxl_switch_control),
795 SND_SOC_DAPM_SWITCH("AUXR Playback", SND_SOC_NOPM, 0, 0,
796 &auxr_switch_control),
797
798 /* Analog playback drivers */
799 SND_SOC_DAPM_OUT_DRV("HF Left Driver",
800 TWL6040_REG_HFLCTL, 4, 0, NULL, 0),
801 SND_SOC_DAPM_OUT_DRV("HF Right Driver",
802 TWL6040_REG_HFRCTL, 4, 0, NULL, 0),
803 SND_SOC_DAPM_OUT_DRV("HS Left Driver",
804 TWL6040_REG_HSLCTL, 2, 0, NULL, 0),
805 SND_SOC_DAPM_OUT_DRV("HS Right Driver",
806 TWL6040_REG_HSRCTL, 2, 0, NULL, 0),
807 SND_SOC_DAPM_OUT_DRV_E("Earphone Driver",
808 TWL6040_REG_EARCTL, 0, 0, NULL, 0,
809 twl6040_ep_drv_event,
810 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
811 SND_SOC_DAPM_OUT_DRV("Vibra Left Driver",
812 TWL6040_REG_VIBCTLL, 0, 0, NULL, 0),
813 SND_SOC_DAPM_OUT_DRV("Vibra Right Driver",
814 TWL6040_REG_VIBCTLR, 0, 0, NULL, 0),
815
816 SND_SOC_DAPM_SUPPLY("Vibra Left Control", TWL6040_REG_VIBCTLL, 2, 0,
817 NULL, 0),
818 SND_SOC_DAPM_SUPPLY("Vibra Right Control", TWL6040_REG_VIBCTLR, 2, 0,
819 NULL, 0),
820 SND_SOC_DAPM_SUPPLY_S("HSDAC Power", 1, SND_SOC_NOPM, 0, 0,
821 twl6040_hs_dac_event,
822 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
823
824 /* Analog playback PGAs */
825 SND_SOC_DAPM_PGA("HF Left PGA",
826 TWL6040_REG_HFLCTL, 1, 0, NULL, 0),
827 SND_SOC_DAPM_PGA("HF Right PGA",
828 TWL6040_REG_HFRCTL, 1, 0, NULL, 0),
829
830 };
831
832 static const struct snd_soc_dapm_route intercon[] = {
833 /* Stream -> DAC mapping */
834 {"HSDAC Left", NULL, "Legacy Playback"},
835 {"HSDAC Left", NULL, "Headset Playback"},
836 {"HSDAC Right", NULL, "Legacy Playback"},
837 {"HSDAC Right", NULL, "Headset Playback"},
838
839 {"HFDAC Left", NULL, "Legacy Playback"},
840 {"HFDAC Left", NULL, "Handsfree Playback"},
841 {"HFDAC Right", NULL, "Legacy Playback"},
842 {"HFDAC Right", NULL, "Handsfree Playback"},
843
844 {"VIBRA DAC", NULL, "Legacy Playback"},
845 {"VIBRA DAC", NULL, "Vibra Playback"},
846
847 /* ADC -> Stream mapping */
848 {"Legacy Capture" , NULL, "ADC Left"},
849 {"Capture", NULL, "ADC Left"},
850 {"Legacy Capture", NULL, "ADC Right"},
851 {"Capture" , NULL, "ADC Right"},
852
853 /* Capture path */
854 {"Analog Left Capture Route", "Headset Mic", "HSMIC"},
855 {"Analog Left Capture Route", "Main Mic", "MAINMIC"},
856 {"Analog Left Capture Route", "Aux/FM Left", "AFML"},
857
858 {"Analog Right Capture Route", "Headset Mic", "HSMIC"},
859 {"Analog Right Capture Route", "Sub Mic", "SUBMIC"},
860 {"Analog Right Capture Route", "Aux/FM Right", "AFMR"},
861
862 {"MicAmpL", NULL, "Analog Left Capture Route"},
863 {"MicAmpR", NULL, "Analog Right Capture Route"},
864
865 {"ADC Left", NULL, "MicAmpL"},
866 {"ADC Right", NULL, "MicAmpR"},
867
868 /* AFM path */
869 {"AFMAmpL", NULL, "AFML"},
870 {"AFMAmpR", NULL, "AFMR"},
871
872 {"HSDAC Left", NULL, "HSDAC Power"},
873 {"HSDAC Right", NULL, "HSDAC Power"},
874
875 {"Headset Left Playback", "HS DAC", "HSDAC Left"},
876 {"Headset Left Playback", "Line-In amp", "AFMAmpL"},
877
878 {"Headset Right Playback", "HS DAC", "HSDAC Right"},
879 {"Headset Right Playback", "Line-In amp", "AFMAmpR"},
880
881 {"HS Left Driver", NULL, "Headset Left Playback"},
882 {"HS Right Driver", NULL, "Headset Right Playback"},
883
884 {"HSOL", NULL, "HS Left Driver"},
885 {"HSOR", NULL, "HS Right Driver"},
886
887 /* Earphone playback path */
888 {"Earphone Playback", "Switch", "HSDAC Left"},
889 {"Earphone Driver", NULL, "Earphone Playback"},
890 {"EP", NULL, "Earphone Driver"},
891
892 {"Handsfree Left Playback", "HF DAC", "HFDAC Left"},
893 {"Handsfree Left Playback", "Line-In amp", "AFMAmpL"},
894
895 {"Handsfree Right Playback", "HF DAC", "HFDAC Right"},
896 {"Handsfree Right Playback", "Line-In amp", "AFMAmpR"},
897
898 {"HF Left PGA", NULL, "Handsfree Left Playback"},
899 {"HF Right PGA", NULL, "Handsfree Right Playback"},
900
901 {"HF Left Driver", NULL, "HF Left PGA"},
902 {"HF Right Driver", NULL, "HF Right PGA"},
903
904 {"HFL", NULL, "HF Left Driver"},
905 {"HFR", NULL, "HF Right Driver"},
906
907 {"AUXL Playback", "Switch", "HF Left PGA"},
908 {"AUXR Playback", "Switch", "HF Right PGA"},
909
910 {"AUXL", NULL, "AUXL Playback"},
911 {"AUXR", NULL, "AUXR Playback"},
912
913 /* Vibrator paths */
914 {"Vibra Left Playback", "Audio PDM", "VIBRA DAC"},
915 {"Vibra Right Playback", "Audio PDM", "VIBRA DAC"},
916
917 {"Vibra Left Driver", NULL, "Vibra Left Playback"},
918 {"Vibra Right Driver", NULL, "Vibra Right Playback"},
919 {"Vibra Left Driver", NULL, "Vibra Left Control"},
920 {"Vibra Right Driver", NULL, "Vibra Right Control"},
921
922 {"VIBRAL", NULL, "Vibra Left Driver"},
923 {"VIBRAR", NULL, "Vibra Right Driver"},
924 };
925
926 static int twl6040_set_bias_level(struct snd_soc_codec *codec,
927 enum snd_soc_bias_level level)
928 {
929 struct twl6040 *twl6040 = codec->control_data;
930 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
931 int ret;
932
933 switch (level) {
934 case SND_SOC_BIAS_ON:
935 break;
936 case SND_SOC_BIAS_PREPARE:
937 break;
938 case SND_SOC_BIAS_STANDBY:
939 if (priv->codec_powered)
940 break;
941
942 ret = twl6040_power(twl6040, 1);
943 if (ret)
944 return ret;
945
946 priv->codec_powered = 1;
947
948 twl6040_restore_regs(codec);
949
950 /* Set external boost GPO */
951 twl6040_write(codec, TWL6040_REG_GPOCTL, 0x02);
952 break;
953 case SND_SOC_BIAS_OFF:
954 if (!priv->codec_powered)
955 break;
956
957 twl6040_power(twl6040, 0);
958 priv->codec_powered = 0;
959 break;
960 }
961
962 codec->dapm.bias_level = level;
963
964 return 0;
965 }
966
967 static int twl6040_startup(struct snd_pcm_substream *substream,
968 struct snd_soc_dai *dai)
969 {
970 struct snd_soc_codec *codec = dai->codec;
971 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
972
973 snd_pcm_hw_constraint_list(substream->runtime, 0,
974 SNDRV_PCM_HW_PARAM_RATE,
975 &sysclk_constraints[priv->pll_power_mode]);
976
977 return 0;
978 }
979
980 static int twl6040_hw_params(struct snd_pcm_substream *substream,
981 struct snd_pcm_hw_params *params,
982 struct snd_soc_dai *dai)
983 {
984 struct snd_soc_codec *codec = dai->codec;
985 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
986 int rate;
987
988 rate = params_rate(params);
989 switch (rate) {
990 case 11250:
991 case 22500:
992 case 44100:
993 case 88200:
994 /* These rates are not supported when HPPLL is in use */
995 if (unlikely(priv->pll == TWL6040_SYSCLK_SEL_HPPLL)) {
996 dev_err(codec->dev, "HPPLL does not support rate %d\n",
997 rate);
998 return -EINVAL;
999 }
1000 priv->sysclk = 17640000;
1001 break;
1002 case 8000:
1003 case 16000:
1004 case 32000:
1005 case 48000:
1006 case 96000:
1007 priv->sysclk = 19200000;
1008 break;
1009 default:
1010 dev_err(codec->dev, "unsupported rate %d\n", rate);
1011 return -EINVAL;
1012 }
1013
1014 return 0;
1015 }
1016
1017 static int twl6040_prepare(struct snd_pcm_substream *substream,
1018 struct snd_soc_dai *dai)
1019 {
1020 struct snd_soc_codec *codec = dai->codec;
1021 struct twl6040 *twl6040 = codec->control_data;
1022 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1023 int ret;
1024
1025 if (!priv->sysclk) {
1026 dev_err(codec->dev,
1027 "no mclk configured, call set_sysclk() on init\n");
1028 return -EINVAL;
1029 }
1030
1031 ret = twl6040_set_pll(twl6040, priv->pll, priv->clk_in, priv->sysclk);
1032 if (ret) {
1033 dev_err(codec->dev, "Can not set PLL (%d)\n", ret);
1034 return -EPERM;
1035 }
1036
1037 return 0;
1038 }
1039
1040 static int twl6040_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1041 int clk_id, unsigned int freq, int dir)
1042 {
1043 struct snd_soc_codec *codec = codec_dai->codec;
1044 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1045
1046 switch (clk_id) {
1047 case TWL6040_SYSCLK_SEL_LPPLL:
1048 case TWL6040_SYSCLK_SEL_HPPLL:
1049 priv->pll = clk_id;
1050 priv->clk_in = freq;
1051 break;
1052 default:
1053 dev_err(codec->dev, "unknown clk_id %d\n", clk_id);
1054 return -EINVAL;
1055 }
1056
1057 return 0;
1058 }
1059
1060 static void twl6040_mute_path(struct snd_soc_codec *codec, enum twl6040_dai_id id,
1061 int mute)
1062 {
1063 struct twl6040 *twl6040 = codec->control_data;
1064 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1065 int hslctl, hsrctl, earctl;
1066 int hflctl, hfrctl;
1067
1068 switch (id) {
1069 case TWL6040_DAI_DL1:
1070 hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL);
1071 hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL);
1072 earctl = twl6040_read_reg_cache(codec, TWL6040_REG_EARCTL);
1073
1074 if (mute) {
1075 /* Power down drivers and DACs */
1076 earctl &= ~0x01;
1077 hslctl &= ~(TWL6040_HSDRVENA | TWL6040_HSDACENA);
1078 hsrctl &= ~(TWL6040_HSDRVENA | TWL6040_HSDACENA);
1079
1080 }
1081
1082 twl6040_reg_write(twl6040, TWL6040_REG_EARCTL, earctl);
1083 twl6040_reg_write(twl6040, TWL6040_REG_HSLCTL, hslctl);
1084 twl6040_reg_write(twl6040, TWL6040_REG_HSRCTL, hsrctl);
1085 priv->dl1_unmuted = !mute;
1086 break;
1087 case TWL6040_DAI_DL2:
1088 hflctl = twl6040_read_reg_cache(codec, TWL6040_REG_HFLCTL);
1089 hfrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HFRCTL);
1090
1091 if (mute) {
1092 /* Power down drivers and DACs */
1093 hflctl &= ~(TWL6040_HFDACENA | TWL6040_HFPGAENA |
1094 TWL6040_HFDRVENA);
1095 hfrctl &= ~(TWL6040_HFDACENA | TWL6040_HFPGAENA |
1096 TWL6040_HFDRVENA);
1097 }
1098
1099 twl6040_reg_write(twl6040, TWL6040_REG_HFLCTL, hflctl);
1100 twl6040_reg_write(twl6040, TWL6040_REG_HFRCTL, hfrctl);
1101 priv->dl2_unmuted = !mute;
1102 break;
1103 default:
1104 break;
1105 };
1106 }
1107
1108 static int twl6040_digital_mute(struct snd_soc_dai *dai, int mute)
1109 {
1110 switch (dai->id) {
1111 case TWL6040_DAI_LEGACY:
1112 twl6040_mute_path(dai->codec, TWL6040_DAI_DL1, mute);
1113 twl6040_mute_path(dai->codec, TWL6040_DAI_DL2, mute);
1114 break;
1115 case TWL6040_DAI_DL1:
1116 case TWL6040_DAI_DL2:
1117 twl6040_mute_path(dai->codec, dai->id, mute);
1118 break;
1119 default:
1120 break;
1121 }
1122
1123 return 0;
1124 }
1125
1126 static const struct snd_soc_dai_ops twl6040_dai_ops = {
1127 .startup = twl6040_startup,
1128 .hw_params = twl6040_hw_params,
1129 .prepare = twl6040_prepare,
1130 .set_sysclk = twl6040_set_dai_sysclk,
1131 .digital_mute = twl6040_digital_mute,
1132 };
1133
1134 static struct snd_soc_dai_driver twl6040_dai[] = {
1135 {
1136 .name = "twl6040-legacy",
1137 .id = TWL6040_DAI_LEGACY,
1138 .playback = {
1139 .stream_name = "Legacy Playback",
1140 .channels_min = 1,
1141 .channels_max = 5,
1142 .rates = TWL6040_RATES,
1143 .formats = TWL6040_FORMATS,
1144 },
1145 .capture = {
1146 .stream_name = "Legacy Capture",
1147 .channels_min = 1,
1148 .channels_max = 2,
1149 .rates = TWL6040_RATES,
1150 .formats = TWL6040_FORMATS,
1151 },
1152 .ops = &twl6040_dai_ops,
1153 },
1154 {
1155 .name = "twl6040-ul",
1156 .id = TWL6040_DAI_UL,
1157 .capture = {
1158 .stream_name = "Capture",
1159 .channels_min = 1,
1160 .channels_max = 2,
1161 .rates = TWL6040_RATES,
1162 .formats = TWL6040_FORMATS,
1163 },
1164 .ops = &twl6040_dai_ops,
1165 },
1166 {
1167 .name = "twl6040-dl1",
1168 .id = TWL6040_DAI_DL1,
1169 .playback = {
1170 .stream_name = "Headset Playback",
1171 .channels_min = 1,
1172 .channels_max = 2,
1173 .rates = TWL6040_RATES,
1174 .formats = TWL6040_FORMATS,
1175 },
1176 .ops = &twl6040_dai_ops,
1177 },
1178 {
1179 .name = "twl6040-dl2",
1180 .id = TWL6040_DAI_DL2,
1181 .playback = {
1182 .stream_name = "Handsfree Playback",
1183 .channels_min = 1,
1184 .channels_max = 2,
1185 .rates = TWL6040_RATES,
1186 .formats = TWL6040_FORMATS,
1187 },
1188 .ops = &twl6040_dai_ops,
1189 },
1190 {
1191 .name = "twl6040-vib",
1192 .id = TWL6040_DAI_VIB,
1193 .playback = {
1194 .stream_name = "Vibra Playback",
1195 .channels_min = 1,
1196 .channels_max = 1,
1197 .rates = SNDRV_PCM_RATE_CONTINUOUS,
1198 .formats = TWL6040_FORMATS,
1199 },
1200 .ops = &twl6040_dai_ops,
1201 },
1202 };
1203
1204 #ifdef CONFIG_PM
1205 static int twl6040_suspend(struct snd_soc_codec *codec)
1206 {
1207 twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
1208
1209 return 0;
1210 }
1211
1212 static int twl6040_resume(struct snd_soc_codec *codec)
1213 {
1214 twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1215
1216 return 0;
1217 }
1218 #else
1219 #define twl6040_suspend NULL
1220 #define twl6040_resume NULL
1221 #endif
1222
1223 static int twl6040_probe(struct snd_soc_codec *codec)
1224 {
1225 struct twl6040_data *priv;
1226 struct platform_device *pdev = container_of(codec->dev,
1227 struct platform_device, dev);
1228 int ret = 0;
1229
1230 priv = devm_kzalloc(codec->dev, sizeof(*priv), GFP_KERNEL);
1231 if (priv == NULL)
1232 return -ENOMEM;
1233
1234 snd_soc_codec_set_drvdata(codec, priv);
1235
1236 priv->codec = codec;
1237 codec->control_data = dev_get_drvdata(codec->dev->parent);
1238
1239 priv->plug_irq = platform_get_irq(pdev, 0);
1240 if (priv->plug_irq < 0) {
1241 dev_err(codec->dev, "invalid irq\n");
1242 return -EINVAL;
1243 }
1244
1245 INIT_DELAYED_WORK(&priv->hs_jack.work, twl6040_accessory_work);
1246
1247 mutex_init(&priv->mutex);
1248
1249 ret = request_threaded_irq(priv->plug_irq, NULL,
1250 twl6040_audio_handler, IRQF_NO_SUSPEND,
1251 "twl6040_irq_plug", codec);
1252 if (ret) {
1253 dev_err(codec->dev, "PLUG IRQ request failed: %d\n", ret);
1254 return ret;
1255 }
1256
1257 twl6040_init_chip(codec);
1258
1259 /* power on device */
1260 return twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1261 }
1262
1263 static int twl6040_remove(struct snd_soc_codec *codec)
1264 {
1265 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1266
1267 free_irq(priv->plug_irq, codec);
1268 twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
1269
1270 return 0;
1271 }
1272
1273 static struct snd_soc_codec_driver soc_codec_dev_twl6040 = {
1274 .probe = twl6040_probe,
1275 .remove = twl6040_remove,
1276 .suspend = twl6040_suspend,
1277 .resume = twl6040_resume,
1278 .read = twl6040_read_reg_cache,
1279 .write = twl6040_write,
1280 .set_bias_level = twl6040_set_bias_level,
1281 .reg_cache_size = ARRAY_SIZE(twl6040_reg),
1282 .reg_word_size = sizeof(u8),
1283 .reg_cache_default = twl6040_reg,
1284 .ignore_pmdown_time = true,
1285
1286 .controls = twl6040_snd_controls,
1287 .num_controls = ARRAY_SIZE(twl6040_snd_controls),
1288 .dapm_widgets = twl6040_dapm_widgets,
1289 .num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets),
1290 .dapm_routes = intercon,
1291 .num_dapm_routes = ARRAY_SIZE(intercon),
1292 };
1293
1294 static int twl6040_codec_probe(struct platform_device *pdev)
1295 {
1296 return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_twl6040,
1297 twl6040_dai, ARRAY_SIZE(twl6040_dai));
1298 }
1299
1300 static int twl6040_codec_remove(struct platform_device *pdev)
1301 {
1302 snd_soc_unregister_codec(&pdev->dev);
1303 return 0;
1304 }
1305
1306 static struct platform_driver twl6040_codec_driver = {
1307 .driver = {
1308 .name = "twl6040-codec",
1309 .owner = THIS_MODULE,
1310 },
1311 .probe = twl6040_codec_probe,
1312 .remove = twl6040_codec_remove,
1313 };
1314
1315 module_platform_driver(twl6040_codec_driver);
1316
1317 MODULE_DESCRIPTION("ASoC TWL6040 codec driver");
1318 MODULE_AUTHOR("Misael Lopez Cruz");
1319 MODULE_LICENSE("GPL");
Linux kernel - Deliverables
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