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mtd: add ECC info for nand_flash_dev{}
[linux/fpc-iii.git] / sound / soc / codecs / twl6040.c
blob44621ddc332d881b5e4b05a58507060259446e55
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 schedule_delayed_work(&priv->hs_jack.work, msecs_to_jiffies(200));
433
434 return IRQ_HANDLED;
435 }
436
437 static int twl6040_soc_dapm_put_vibra_enum(struct snd_kcontrol *kcontrol,
438 struct snd_ctl_elem_value *ucontrol)
439 {
440 struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
441 struct snd_soc_dapm_widget *widget = wlist->widgets[0];
442 struct snd_soc_codec *codec = widget->codec;
443 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
444 unsigned int val;
445
446 /* Do not allow changes while Input/FF efect is running */
447 val = twl6040_read_reg_volatile(codec, e->reg);
448 if (val & TWL6040_VIBENA && !(val & TWL6040_VIBSEL))
449 return -EBUSY;
450
451 return snd_soc_dapm_put_enum_double(kcontrol, ucontrol);
452 }
453
454 /*
455 * MICATT volume control:
456 * from -6 to 0 dB in 6 dB steps
457 */
458 static DECLARE_TLV_DB_SCALE(mic_preamp_tlv, -600, 600, 0);
459
460 /*
461 * MICGAIN volume control:
462 * from 6 to 30 dB in 6 dB steps
463 */
464 static DECLARE_TLV_DB_SCALE(mic_amp_tlv, 600, 600, 0);
465
466 /*
467 * AFMGAIN volume control:
468 * from -18 to 24 dB in 6 dB steps
469 */
470 static DECLARE_TLV_DB_SCALE(afm_amp_tlv, -1800, 600, 0);
471
472 /*
473 * HSGAIN volume control:
474 * from -30 to 0 dB in 2 dB steps
475 */
476 static DECLARE_TLV_DB_SCALE(hs_tlv, -3000, 200, 0);
477
478 /*
479 * HFGAIN volume control:
480 * from -52 to 6 dB in 2 dB steps
481 */
482 static DECLARE_TLV_DB_SCALE(hf_tlv, -5200, 200, 0);
483
484 /*
485 * EPGAIN volume control:
486 * from -24 to 6 dB in 2 dB steps
487 */
488 static DECLARE_TLV_DB_SCALE(ep_tlv, -2400, 200, 0);
489
490 /* Left analog microphone selection */
491 static const char *twl6040_amicl_texts[] =
492 {"Headset Mic", "Main Mic", "Aux/FM Left", "Off"};
493
494 /* Right analog microphone selection */
495 static const char *twl6040_amicr_texts[] =
496 {"Headset Mic", "Sub Mic", "Aux/FM Right", "Off"};
497
498 static const struct soc_enum twl6040_enum[] = {
499 SOC_ENUM_SINGLE(TWL6040_REG_MICLCTL, 3, 4, twl6040_amicl_texts),
500 SOC_ENUM_SINGLE(TWL6040_REG_MICRCTL, 3, 4, twl6040_amicr_texts),
501 };
502
503 static const char *twl6040_hs_texts[] = {
504 "Off", "HS DAC", "Line-In amp"
505 };
506
507 static const struct soc_enum twl6040_hs_enum[] = {
508 SOC_ENUM_SINGLE(TWL6040_REG_HSLCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
509 twl6040_hs_texts),
510 SOC_ENUM_SINGLE(TWL6040_REG_HSRCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
511 twl6040_hs_texts),
512 };
513
514 static const char *twl6040_hf_texts[] = {
515 "Off", "HF DAC", "Line-In amp"
516 };
517
518 static const struct soc_enum twl6040_hf_enum[] = {
519 SOC_ENUM_SINGLE(TWL6040_REG_HFLCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
520 twl6040_hf_texts),
521 SOC_ENUM_SINGLE(TWL6040_REG_HFRCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
522 twl6040_hf_texts),
523 };
524
525 static const char *twl6040_vibrapath_texts[] = {
526 "Input FF", "Audio PDM"
527 };
528
529 static const struct soc_enum twl6040_vibra_enum[] = {
530 SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLL, 1,
531 ARRAY_SIZE(twl6040_vibrapath_texts),
532 twl6040_vibrapath_texts),
533 SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLR, 1,
534 ARRAY_SIZE(twl6040_vibrapath_texts),
535 twl6040_vibrapath_texts),
536 };
537
538 static const struct snd_kcontrol_new amicl_control =
539 SOC_DAPM_ENUM("Route", twl6040_enum[0]);
540
541 static const struct snd_kcontrol_new amicr_control =
542 SOC_DAPM_ENUM("Route", twl6040_enum[1]);
543
544 /* Headset DAC playback switches */
545 static const struct snd_kcontrol_new hsl_mux_controls =
546 SOC_DAPM_ENUM("Route", twl6040_hs_enum[0]);
547
548 static const struct snd_kcontrol_new hsr_mux_controls =
549 SOC_DAPM_ENUM("Route", twl6040_hs_enum[1]);
550
551 /* Handsfree DAC playback switches */
552 static const struct snd_kcontrol_new hfl_mux_controls =
553 SOC_DAPM_ENUM("Route", twl6040_hf_enum[0]);
554
555 static const struct snd_kcontrol_new hfr_mux_controls =
556 SOC_DAPM_ENUM("Route", twl6040_hf_enum[1]);
557
558 static const struct snd_kcontrol_new ep_path_enable_control =
559 SOC_DAPM_SINGLE("Switch", TWL6040_REG_SW_SHADOW, 0, 1, 0);
560
561 static const struct snd_kcontrol_new auxl_switch_control =
562 SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFLCTL, 6, 1, 0);
563
564 static const struct snd_kcontrol_new auxr_switch_control =
565 SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFRCTL, 6, 1, 0);
566
567 /* Vibra playback switches */
568 static const struct snd_kcontrol_new vibral_mux_controls =
569 SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[0],
570 snd_soc_dapm_get_enum_double,
571 twl6040_soc_dapm_put_vibra_enum);
572
573 static const struct snd_kcontrol_new vibrar_mux_controls =
574 SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[1],
575 snd_soc_dapm_get_enum_double,
576 twl6040_soc_dapm_put_vibra_enum);
577
578 /* Headset power mode */
579 static const char *twl6040_power_mode_texts[] = {
580 "Low-Power", "High-Performance",
581 };
582
583 static const struct soc_enum twl6040_power_mode_enum =
584 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(twl6040_power_mode_texts),
585 twl6040_power_mode_texts);
586
587 static int twl6040_headset_power_get_enum(struct snd_kcontrol *kcontrol,
588 struct snd_ctl_elem_value *ucontrol)
589 {
590 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
591 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
592
593 ucontrol->value.enumerated.item[0] = priv->hs_power_mode;
594
595 return 0;
596 }
597
598 static int twl6040_headset_power_put_enum(struct snd_kcontrol *kcontrol,
599 struct snd_ctl_elem_value *ucontrol)
600 {
601 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
602 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
603 int high_perf = ucontrol->value.enumerated.item[0];
604 int ret = 0;
605
606 if (!priv->hs_power_mode_locked)
607 ret = headset_power_mode(codec, high_perf);
608
609 if (!ret)
610 priv->hs_power_mode = high_perf;
611
612 return ret;
613 }
614
615 static int twl6040_pll_get_enum(struct snd_kcontrol *kcontrol,
616 struct snd_ctl_elem_value *ucontrol)
617 {
618 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
619 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
620
621 ucontrol->value.enumerated.item[0] = priv->pll_power_mode;
622
623 return 0;
624 }
625
626 static int twl6040_pll_put_enum(struct snd_kcontrol *kcontrol,
627 struct snd_ctl_elem_value *ucontrol)
628 {
629 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
630 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
631
632 priv->pll_power_mode = ucontrol->value.enumerated.item[0];
633
634 return 0;
635 }
636
637 int twl6040_get_dl1_gain(struct snd_soc_codec *codec)
638 {
639 struct snd_soc_dapm_context *dapm = &codec->dapm;
640
641 if (snd_soc_dapm_get_pin_status(dapm, "EP"))
642 return -1; /* -1dB */
643
644 if (snd_soc_dapm_get_pin_status(dapm, "HSOR") ||
645 snd_soc_dapm_get_pin_status(dapm, "HSOL")) {
646
647 u8 val = snd_soc_read(codec, TWL6040_REG_HSLCTL);
648 if (val & TWL6040_HSDACMODE)
649 /* HSDACL in LP mode */
650 return -8; /* -8dB */
651 else
652 /* HSDACL in HP mode */
653 return -1; /* -1dB */
654 }
655 return 0; /* 0dB */
656 }
657 EXPORT_SYMBOL_GPL(twl6040_get_dl1_gain);
658
659 int twl6040_get_clk_id(struct snd_soc_codec *codec)
660 {
661 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
662
663 return priv->pll_power_mode;
664 }
665 EXPORT_SYMBOL_GPL(twl6040_get_clk_id);
666
667 int twl6040_get_trim_value(struct snd_soc_codec *codec, enum twl6040_trim trim)
668 {
669 if (unlikely(trim >= TWL6040_TRIM_INVAL))
670 return -EINVAL;
671
672 return twl6040_read_reg_cache(codec, TWL6040_REG_TRIM1 + trim);
673 }
674 EXPORT_SYMBOL_GPL(twl6040_get_trim_value);
675
676 int twl6040_get_hs_step_size(struct snd_soc_codec *codec)
677 {
678 struct twl6040 *twl6040 = codec->control_data;
679
680 if (twl6040_get_revid(twl6040) < TWL6040_REV_ES1_3)
681 /* For ES under ES_1.3 HS step is 2 mV */
682 return 2;
683 else
684 /* For ES_1.3 HS step is 1 mV */
685 return 1;
686 }
687 EXPORT_SYMBOL_GPL(twl6040_get_hs_step_size);
688
689 static const struct snd_kcontrol_new twl6040_snd_controls[] = {
690 /* Capture gains */
691 SOC_DOUBLE_TLV("Capture Preamplifier Volume",
692 TWL6040_REG_MICGAIN, 6, 7, 1, 1, mic_preamp_tlv),
693 SOC_DOUBLE_TLV("Capture Volume",
694 TWL6040_REG_MICGAIN, 0, 3, 4, 0, mic_amp_tlv),
695
696 /* AFM gains */
697 SOC_DOUBLE_TLV("Aux FM Volume",
698 TWL6040_REG_LINEGAIN, 0, 3, 7, 0, afm_amp_tlv),
699
700 /* Playback gains */
701 SOC_DOUBLE_TLV("Headset Playback Volume",
702 TWL6040_REG_HSGAIN, 0, 4, 0xF, 1, hs_tlv),
703 SOC_DOUBLE_R_TLV("Handsfree Playback Volume",
704 TWL6040_REG_HFLGAIN, TWL6040_REG_HFRGAIN, 0, 0x1D, 1, hf_tlv),
705 SOC_SINGLE_TLV("Earphone Playback Volume",
706 TWL6040_REG_EARCTL, 1, 0xF, 1, ep_tlv),
707
708 SOC_ENUM_EXT("Headset Power Mode", twl6040_power_mode_enum,
709 twl6040_headset_power_get_enum,
710 twl6040_headset_power_put_enum),
711
712 SOC_ENUM_EXT("PLL Selection", twl6040_power_mode_enum,
713 twl6040_pll_get_enum, twl6040_pll_put_enum),
714 };
715
716 static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
717 /* Inputs */
718 SND_SOC_DAPM_INPUT("MAINMIC"),
719 SND_SOC_DAPM_INPUT("HSMIC"),
720 SND_SOC_DAPM_INPUT("SUBMIC"),
721 SND_SOC_DAPM_INPUT("AFML"),
722 SND_SOC_DAPM_INPUT("AFMR"),
723
724 /* Outputs */
725 SND_SOC_DAPM_OUTPUT("HSOL"),
726 SND_SOC_DAPM_OUTPUT("HSOR"),
727 SND_SOC_DAPM_OUTPUT("HFL"),
728 SND_SOC_DAPM_OUTPUT("HFR"),
729 SND_SOC_DAPM_OUTPUT("EP"),
730 SND_SOC_DAPM_OUTPUT("AUXL"),
731 SND_SOC_DAPM_OUTPUT("AUXR"),
732 SND_SOC_DAPM_OUTPUT("VIBRAL"),
733 SND_SOC_DAPM_OUTPUT("VIBRAR"),
734
735 /* Analog input muxes for the capture amplifiers */
736 SND_SOC_DAPM_MUX("Analog Left Capture Route",
737 SND_SOC_NOPM, 0, 0, &amicl_control),
738 SND_SOC_DAPM_MUX("Analog Right Capture Route",
739 SND_SOC_NOPM, 0, 0, &amicr_control),
740
741 /* Analog capture PGAs */
742 SND_SOC_DAPM_PGA("MicAmpL",
743 TWL6040_REG_MICLCTL, 0, 0, NULL, 0),
744 SND_SOC_DAPM_PGA("MicAmpR",
745 TWL6040_REG_MICRCTL, 0, 0, NULL, 0),
746
747 /* Auxiliary FM PGAs */
748 SND_SOC_DAPM_PGA("AFMAmpL",
749 TWL6040_REG_MICLCTL, 1, 0, NULL, 0),
750 SND_SOC_DAPM_PGA("AFMAmpR",
751 TWL6040_REG_MICRCTL, 1, 0, NULL, 0),
752
753 /* ADCs */
754 SND_SOC_DAPM_ADC("ADC Left", NULL, TWL6040_REG_MICLCTL, 2, 0),
755 SND_SOC_DAPM_ADC("ADC Right", NULL, TWL6040_REG_MICRCTL, 2, 0),
756
757 /* Microphone bias */
758 SND_SOC_DAPM_SUPPLY("Headset Mic Bias",
759 TWL6040_REG_AMICBCTL, 0, 0, NULL, 0),
760 SND_SOC_DAPM_SUPPLY("Main Mic Bias",
761 TWL6040_REG_AMICBCTL, 4, 0, NULL, 0),
762 SND_SOC_DAPM_SUPPLY("Digital Mic1 Bias",
763 TWL6040_REG_DMICBCTL, 0, 0, NULL, 0),
764 SND_SOC_DAPM_SUPPLY("Digital Mic2 Bias",
765 TWL6040_REG_DMICBCTL, 4, 0, NULL, 0),
766
767 /* DACs */
768 SND_SOC_DAPM_DAC("HSDAC Left", NULL, SND_SOC_NOPM, 0, 0),
769 SND_SOC_DAPM_DAC("HSDAC Right", NULL, SND_SOC_NOPM, 0, 0),
770 SND_SOC_DAPM_DAC("HFDAC Left", NULL, TWL6040_REG_HFLCTL, 0, 0),
771 SND_SOC_DAPM_DAC("HFDAC Right", NULL, TWL6040_REG_HFRCTL, 0, 0),
772 /* Virtual DAC for vibra path (DL4 channel) */
773 SND_SOC_DAPM_DAC("VIBRA DAC", NULL, SND_SOC_NOPM, 0, 0),
774
775 SND_SOC_DAPM_MUX("Handsfree Left Playback",
776 SND_SOC_NOPM, 0, 0, &hfl_mux_controls),
777 SND_SOC_DAPM_MUX("Handsfree Right Playback",
778 SND_SOC_NOPM, 0, 0, &hfr_mux_controls),
779 /* Analog playback Muxes */
780 SND_SOC_DAPM_MUX("Headset Left Playback",
781 SND_SOC_NOPM, 0, 0, &hsl_mux_controls),
782 SND_SOC_DAPM_MUX("Headset Right Playback",
783 SND_SOC_NOPM, 0, 0, &hsr_mux_controls),
784
785 SND_SOC_DAPM_MUX("Vibra Left Playback", SND_SOC_NOPM, 0, 0,
786 &vibral_mux_controls),
787 SND_SOC_DAPM_MUX("Vibra Right Playback", SND_SOC_NOPM, 0, 0,
788 &vibrar_mux_controls),
789
790 SND_SOC_DAPM_SWITCH("Earphone Playback", SND_SOC_NOPM, 0, 0,
791 &ep_path_enable_control),
792 SND_SOC_DAPM_SWITCH("AUXL Playback", SND_SOC_NOPM, 0, 0,
793 &auxl_switch_control),
794 SND_SOC_DAPM_SWITCH("AUXR Playback", SND_SOC_NOPM, 0, 0,
795 &auxr_switch_control),
796
797 /* Analog playback drivers */
798 SND_SOC_DAPM_OUT_DRV("HF Left Driver",
799 TWL6040_REG_HFLCTL, 4, 0, NULL, 0),
800 SND_SOC_DAPM_OUT_DRV("HF Right Driver",
801 TWL6040_REG_HFRCTL, 4, 0, NULL, 0),
802 SND_SOC_DAPM_OUT_DRV("HS Left Driver",
803 TWL6040_REG_HSLCTL, 2, 0, NULL, 0),
804 SND_SOC_DAPM_OUT_DRV("HS Right Driver",
805 TWL6040_REG_HSRCTL, 2, 0, NULL, 0),
806 SND_SOC_DAPM_OUT_DRV_E("Earphone Driver",
807 TWL6040_REG_EARCTL, 0, 0, NULL, 0,
808 twl6040_ep_drv_event,
809 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
810 SND_SOC_DAPM_OUT_DRV("Vibra Left Driver",
811 TWL6040_REG_VIBCTLL, 0, 0, NULL, 0),
812 SND_SOC_DAPM_OUT_DRV("Vibra Right Driver",
813 TWL6040_REG_VIBCTLR, 0, 0, NULL, 0),
814
815 SND_SOC_DAPM_SUPPLY("Vibra Left Control", TWL6040_REG_VIBCTLL, 2, 0,
816 NULL, 0),
817 SND_SOC_DAPM_SUPPLY("Vibra Right Control", TWL6040_REG_VIBCTLR, 2, 0,
818 NULL, 0),
819 SND_SOC_DAPM_SUPPLY_S("HSDAC Power", 1, SND_SOC_NOPM, 0, 0,
820 twl6040_hs_dac_event,
821 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
822
823 /* Analog playback PGAs */
824 SND_SOC_DAPM_PGA("HF Left PGA",
825 TWL6040_REG_HFLCTL, 1, 0, NULL, 0),
826 SND_SOC_DAPM_PGA("HF Right PGA",
827 TWL6040_REG_HFRCTL, 1, 0, NULL, 0),
828
829 };
830
831 static const struct snd_soc_dapm_route intercon[] = {
832 /* Stream -> DAC mapping */
833 {"HSDAC Left", NULL, "Legacy Playback"},
834 {"HSDAC Left", NULL, "Headset Playback"},
835 {"HSDAC Right", NULL, "Legacy Playback"},
836 {"HSDAC Right", NULL, "Headset Playback"},
837
838 {"HFDAC Left", NULL, "Legacy Playback"},
839 {"HFDAC Left", NULL, "Handsfree Playback"},
840 {"HFDAC Right", NULL, "Legacy Playback"},
841 {"HFDAC Right", NULL, "Handsfree Playback"},
842
843 {"VIBRA DAC", NULL, "Legacy Playback"},
844 {"VIBRA DAC", NULL, "Vibra Playback"},
845
846 /* ADC -> Stream mapping */
847 {"Legacy Capture" , NULL, "ADC Left"},
848 {"Capture", NULL, "ADC Left"},
849 {"Legacy Capture", NULL, "ADC Right"},
850 {"Capture" , NULL, "ADC Right"},
851
852 /* Capture path */
853 {"Analog Left Capture Route", "Headset Mic", "HSMIC"},
854 {"Analog Left Capture Route", "Main Mic", "MAINMIC"},
855 {"Analog Left Capture Route", "Aux/FM Left", "AFML"},
856
857 {"Analog Right Capture Route", "Headset Mic", "HSMIC"},
858 {"Analog Right Capture Route", "Sub Mic", "SUBMIC"},
859 {"Analog Right Capture Route", "Aux/FM Right", "AFMR"},
860
861 {"MicAmpL", NULL, "Analog Left Capture Route"},
862 {"MicAmpR", NULL, "Analog Right Capture Route"},
863
864 {"ADC Left", NULL, "MicAmpL"},
865 {"ADC Right", NULL, "MicAmpR"},
866
867 /* AFM path */
868 {"AFMAmpL", NULL, "AFML"},
869 {"AFMAmpR", NULL, "AFMR"},
870
871 {"HSDAC Left", NULL, "HSDAC Power"},
872 {"HSDAC Right", NULL, "HSDAC Power"},
873
874 {"Headset Left Playback", "HS DAC", "HSDAC Left"},
875 {"Headset Left Playback", "Line-In amp", "AFMAmpL"},
876
877 {"Headset Right Playback", "HS DAC", "HSDAC Right"},
878 {"Headset Right Playback", "Line-In amp", "AFMAmpR"},
879
880 {"HS Left Driver", NULL, "Headset Left Playback"},
881 {"HS Right Driver", NULL, "Headset Right Playback"},
882
883 {"HSOL", NULL, "HS Left Driver"},
884 {"HSOR", NULL, "HS Right Driver"},
885
886 /* Earphone playback path */
887 {"Earphone Playback", "Switch", "HSDAC Left"},
888 {"Earphone Driver", NULL, "Earphone Playback"},
889 {"EP", NULL, "Earphone Driver"},
890
891 {"Handsfree Left Playback", "HF DAC", "HFDAC Left"},
892 {"Handsfree Left Playback", "Line-In amp", "AFMAmpL"},
893
894 {"Handsfree Right Playback", "HF DAC", "HFDAC Right"},
895 {"Handsfree Right Playback", "Line-In amp", "AFMAmpR"},
896
897 {"HF Left PGA", NULL, "Handsfree Left Playback"},
898 {"HF Right PGA", NULL, "Handsfree Right Playback"},
899
900 {"HF Left Driver", NULL, "HF Left PGA"},
901 {"HF Right Driver", NULL, "HF Right PGA"},
902
903 {"HFL", NULL, "HF Left Driver"},
904 {"HFR", NULL, "HF Right Driver"},
905
906 {"AUXL Playback", "Switch", "HF Left PGA"},
907 {"AUXR Playback", "Switch", "HF Right PGA"},
908
909 {"AUXL", NULL, "AUXL Playback"},
910 {"AUXR", NULL, "AUXR Playback"},
911
912 /* Vibrator paths */
913 {"Vibra Left Playback", "Audio PDM", "VIBRA DAC"},
914 {"Vibra Right Playback", "Audio PDM", "VIBRA DAC"},
915
916 {"Vibra Left Driver", NULL, "Vibra Left Playback"},
917 {"Vibra Right Driver", NULL, "Vibra Right Playback"},
918 {"Vibra Left Driver", NULL, "Vibra Left Control"},
919 {"Vibra Right Driver", NULL, "Vibra Right Control"},
920
921 {"VIBRAL", NULL, "Vibra Left Driver"},
922 {"VIBRAR", NULL, "Vibra Right Driver"},
923 };
924
925 static int twl6040_set_bias_level(struct snd_soc_codec *codec,
926 enum snd_soc_bias_level level)
927 {
928 struct twl6040 *twl6040 = codec->control_data;
929 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
930 int ret;
931
932 switch (level) {
933 case SND_SOC_BIAS_ON:
934 break;
935 case SND_SOC_BIAS_PREPARE:
936 break;
937 case SND_SOC_BIAS_STANDBY:
938 if (priv->codec_powered)
939 break;
940
941 ret = twl6040_power(twl6040, 1);
942 if (ret)
943 return ret;
944
945 priv->codec_powered = 1;
946
947 twl6040_restore_regs(codec);
948
949 /* Set external boost GPO */
950 twl6040_write(codec, TWL6040_REG_GPOCTL, 0x02);
951 break;
952 case SND_SOC_BIAS_OFF:
953 if (!priv->codec_powered)
954 break;
955
956 twl6040_power(twl6040, 0);
957 priv->codec_powered = 0;
958 break;
959 }
960
961 codec->dapm.bias_level = level;
962
963 return 0;
964 }
965
966 static int twl6040_startup(struct snd_pcm_substream *substream,
967 struct snd_soc_dai *dai)
968 {
969 struct snd_soc_codec *codec = dai->codec;
970 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
971
972 snd_pcm_hw_constraint_list(substream->runtime, 0,
973 SNDRV_PCM_HW_PARAM_RATE,
974 &sysclk_constraints[priv->pll_power_mode]);
975
976 return 0;
977 }
978
979 static int twl6040_hw_params(struct snd_pcm_substream *substream,
980 struct snd_pcm_hw_params *params,
981 struct snd_soc_dai *dai)
982 {
983 struct snd_soc_codec *codec = dai->codec;
984 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
985 int rate;
986
987 rate = params_rate(params);
988 switch (rate) {
989 case 11250:
990 case 22500:
991 case 44100:
992 case 88200:
993 /* These rates are not supported when HPPLL is in use */
994 if (unlikely(priv->pll == TWL6040_SYSCLK_SEL_HPPLL)) {
995 dev_err(codec->dev, "HPPLL does not support rate %d\n",
996 rate);
997 return -EINVAL;
998 }
999 priv->sysclk = 17640000;
1000 break;
1001 case 8000:
1002 case 16000:
1003 case 32000:
1004 case 48000:
1005 case 96000:
1006 priv->sysclk = 19200000;
1007 break;
1008 default:
1009 dev_err(codec->dev, "unsupported rate %d\n", rate);
1010 return -EINVAL;
1011 }
1012
1013 return 0;
1014 }
1015
1016 static int twl6040_prepare(struct snd_pcm_substream *substream,
1017 struct snd_soc_dai *dai)
1018 {
1019 struct snd_soc_codec *codec = dai->codec;
1020 struct twl6040 *twl6040 = codec->control_data;
1021 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1022 int ret;
1023
1024 if (!priv->sysclk) {
1025 dev_err(codec->dev,
1026 "no mclk configured, call set_sysclk() on init\n");
1027 return -EINVAL;
1028 }
1029
1030 ret = twl6040_set_pll(twl6040, priv->pll, priv->clk_in, priv->sysclk);
1031 if (ret) {
1032 dev_err(codec->dev, "Can not set PLL (%d)\n", ret);
1033 return -EPERM;
1034 }
1035
1036 return 0;
1037 }
1038
1039 static int twl6040_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1040 int clk_id, unsigned int freq, int dir)
1041 {
1042 struct snd_soc_codec *codec = codec_dai->codec;
1043 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1044
1045 switch (clk_id) {
1046 case TWL6040_SYSCLK_SEL_LPPLL:
1047 case TWL6040_SYSCLK_SEL_HPPLL:
1048 priv->pll = clk_id;
1049 priv->clk_in = freq;
1050 break;
1051 default:
1052 dev_err(codec->dev, "unknown clk_id %d\n", clk_id);
1053 return -EINVAL;
1054 }
1055
1056 return 0;
1057 }
1058
1059 static void twl6040_mute_path(struct snd_soc_codec *codec, enum twl6040_dai_id id,
1060 int mute)
1061 {
1062 struct twl6040 *twl6040 = codec->control_data;
1063 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1064 int hslctl, hsrctl, earctl;
1065 int hflctl, hfrctl;
1066
1067 switch (id) {
1068 case TWL6040_DAI_DL1:
1069 hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL);
1070 hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL);
1071 earctl = twl6040_read_reg_cache(codec, TWL6040_REG_EARCTL);
1072
1073 if (mute) {
1074 /* Power down drivers and DACs */
1075 earctl &= ~0x01;
1076 hslctl &= ~(TWL6040_HSDRVENA | TWL6040_HSDACENA);
1077 hsrctl &= ~(TWL6040_HSDRVENA | TWL6040_HSDACENA);
1078
1079 }
1080
1081 twl6040_reg_write(twl6040, TWL6040_REG_EARCTL, earctl);
1082 twl6040_reg_write(twl6040, TWL6040_REG_HSLCTL, hslctl);
1083 twl6040_reg_write(twl6040, TWL6040_REG_HSRCTL, hsrctl);
1084 priv->dl1_unmuted = !mute;
1085 break;
1086 case TWL6040_DAI_DL2:
1087 hflctl = twl6040_read_reg_cache(codec, TWL6040_REG_HFLCTL);
1088 hfrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HFRCTL);
1089
1090 if (mute) {
1091 /* Power down drivers and DACs */
1092 hflctl &= ~(TWL6040_HFDACENA | TWL6040_HFPGAENA |
1093 TWL6040_HFDRVENA);
1094 hfrctl &= ~(TWL6040_HFDACENA | TWL6040_HFPGAENA |
1095 TWL6040_HFDRVENA);
1096 }
1097
1098 twl6040_reg_write(twl6040, TWL6040_REG_HFLCTL, hflctl);
1099 twl6040_reg_write(twl6040, TWL6040_REG_HFRCTL, hfrctl);
1100 priv->dl2_unmuted = !mute;
1101 break;
1102 default:
1103 break;
1104 };
1105 }
1106
1107 static int twl6040_digital_mute(struct snd_soc_dai *dai, int mute)
1108 {
1109 switch (dai->id) {
1110 case TWL6040_DAI_LEGACY:
1111 twl6040_mute_path(dai->codec, TWL6040_DAI_DL1, mute);
1112 twl6040_mute_path(dai->codec, TWL6040_DAI_DL2, mute);
1113 break;
1114 case TWL6040_DAI_DL1:
1115 case TWL6040_DAI_DL2:
1116 twl6040_mute_path(dai->codec, dai->id, mute);
1117 break;
1118 default:
1119 break;
1120 }
1121
1122 return 0;
1123 }
1124
1125 static const struct snd_soc_dai_ops twl6040_dai_ops = {
1126 .startup = twl6040_startup,
1127 .hw_params = twl6040_hw_params,
1128 .prepare = twl6040_prepare,
1129 .set_sysclk = twl6040_set_dai_sysclk,
1130 .digital_mute = twl6040_digital_mute,
1131 };
1132
1133 static struct snd_soc_dai_driver twl6040_dai[] = {
1134 {
1135 .name = "twl6040-legacy",
1136 .id = TWL6040_DAI_LEGACY,
1137 .playback = {
1138 .stream_name = "Legacy Playback",
1139 .channels_min = 1,
1140 .channels_max = 5,
1141 .rates = TWL6040_RATES,
1142 .formats = TWL6040_FORMATS,
1143 },
1144 .capture = {
1145 .stream_name = "Legacy Capture",
1146 .channels_min = 1,
1147 .channels_max = 2,
1148 .rates = TWL6040_RATES,
1149 .formats = TWL6040_FORMATS,
1150 },
1151 .ops = &twl6040_dai_ops,
1152 },
1153 {
1154 .name = "twl6040-ul",
1155 .id = TWL6040_DAI_UL,
1156 .capture = {
1157 .stream_name = "Capture",
1158 .channels_min = 1,
1159 .channels_max = 2,
1160 .rates = TWL6040_RATES,
1161 .formats = TWL6040_FORMATS,
1162 },
1163 .ops = &twl6040_dai_ops,
1164 },
1165 {
1166 .name = "twl6040-dl1",
1167 .id = TWL6040_DAI_DL1,
1168 .playback = {
1169 .stream_name = "Headset Playback",
1170 .channels_min = 1,
1171 .channels_max = 2,
1172 .rates = TWL6040_RATES,
1173 .formats = TWL6040_FORMATS,
1174 },
1175 .ops = &twl6040_dai_ops,
1176 },
1177 {
1178 .name = "twl6040-dl2",
1179 .id = TWL6040_DAI_DL2,
1180 .playback = {
1181 .stream_name = "Handsfree Playback",
1182 .channels_min = 1,
1183 .channels_max = 2,
1184 .rates = TWL6040_RATES,
1185 .formats = TWL6040_FORMATS,
1186 },
1187 .ops = &twl6040_dai_ops,
1188 },
1189 {
1190 .name = "twl6040-vib",
1191 .id = TWL6040_DAI_VIB,
1192 .playback = {
1193 .stream_name = "Vibra Playback",
1194 .channels_min = 1,
1195 .channels_max = 1,
1196 .rates = SNDRV_PCM_RATE_CONTINUOUS,
1197 .formats = TWL6040_FORMATS,
1198 },
1199 .ops = &twl6040_dai_ops,
1200 },
1201 };
1202
1203 #ifdef CONFIG_PM
1204 static int twl6040_suspend(struct snd_soc_codec *codec)
1205 {
1206 twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
1207
1208 return 0;
1209 }
1210
1211 static int twl6040_resume(struct snd_soc_codec *codec)
1212 {
1213 twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1214
1215 return 0;
1216 }
1217 #else
1218 #define twl6040_suspend NULL
1219 #define twl6040_resume NULL
1220 #endif
1221
1222 static int twl6040_probe(struct snd_soc_codec *codec)
1223 {
1224 struct twl6040_data *priv;
1225 struct platform_device *pdev = container_of(codec->dev,
1226 struct platform_device, dev);
1227 int ret = 0;
1228
1229 priv = devm_kzalloc(codec->dev, sizeof(*priv), GFP_KERNEL);
1230 if (priv == NULL)
1231 return -ENOMEM;
1232
1233 snd_soc_codec_set_drvdata(codec, priv);
1234
1235 priv->codec = codec;
1236 codec->control_data = dev_get_drvdata(codec->dev->parent);
1237
1238 priv->plug_irq = platform_get_irq(pdev, 0);
1239 if (priv->plug_irq < 0) {
1240 dev_err(codec->dev, "invalid irq\n");
1241 return -EINVAL;
1242 }
1243
1244 INIT_DELAYED_WORK(&priv->hs_jack.work, twl6040_accessory_work);
1245
1246 mutex_init(&priv->mutex);
1247
1248 ret = request_threaded_irq(priv->plug_irq, NULL,
1249 twl6040_audio_handler, IRQF_NO_SUSPEND,
1250 "twl6040_irq_plug", codec);
1251 if (ret) {
1252 dev_err(codec->dev, "PLUG IRQ request failed: %d\n", ret);
1253 return ret;
1254 }
1255
1256 twl6040_init_chip(codec);
1257
1258 /* power on device */
1259 return twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1260 }
1261
1262 static int twl6040_remove(struct snd_soc_codec *codec)
1263 {
1264 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1265
1266 free_irq(priv->plug_irq, codec);
1267 twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
1268
1269 return 0;
1270 }
1271
1272 static struct snd_soc_codec_driver soc_codec_dev_twl6040 = {
1273 .probe = twl6040_probe,
1274 .remove = twl6040_remove,
1275 .suspend = twl6040_suspend,
1276 .resume = twl6040_resume,
1277 .read = twl6040_read_reg_cache,
1278 .write = twl6040_write,
1279 .set_bias_level = twl6040_set_bias_level,
1280 .reg_cache_size = ARRAY_SIZE(twl6040_reg),
1281 .reg_word_size = sizeof(u8),
1282 .reg_cache_default = twl6040_reg,
1283 .ignore_pmdown_time = true,
1284
1285 .controls = twl6040_snd_controls,
1286 .num_controls = ARRAY_SIZE(twl6040_snd_controls),
1287 .dapm_widgets = twl6040_dapm_widgets,
1288 .num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets),
1289 .dapm_routes = intercon,
1290 .num_dapm_routes = ARRAY_SIZE(intercon),
1291 };
1292
1293 static int twl6040_codec_probe(struct platform_device *pdev)
1294 {
1295 return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_twl6040,
1296 twl6040_dai, ARRAY_SIZE(twl6040_dai));
1297 }
1298
1299 static int twl6040_codec_remove(struct platform_device *pdev)
1300 {
1301 snd_soc_unregister_codec(&pdev->dev);
1302 return 0;
1303 }
1304
1305 static struct platform_driver twl6040_codec_driver = {
1306 .driver = {
1307 .name = "twl6040-codec",
1308 .owner = THIS_MODULE,
1309 },
1310 .probe = twl6040_codec_probe,
1311 .remove = twl6040_codec_remove,
1312 };
1313
1314 module_platform_driver(twl6040_codec_driver);
1315
1316 MODULE_DESCRIPTION("ASoC TWL6040 codec driver");
1317 MODULE_AUTHOR("Misael Lopez Cruz");
1318 MODULE_LICENSE("GPL");
Linux with added FPC-III support