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KMS: fix EDID detailed timing vsync parsing
[linux-2.6/cjktty.git] / sound / soc / codecs / twl6040.c
blob9b9a6e587610540c310c39387791f588592e1a4c
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 struct twl6040_jack_data hs_jack;
73 struct snd_soc_codec *codec;
74 struct mutex mutex;
75 };
76
77 /*
78 * twl6040 register cache & default register settings
79 */
80 static const u8 twl6040_reg[TWL6040_CACHEREGNUM] = {
81 0x00, /* not used 0x00 */
82 0x4B, /* REG_ASICID 0x01 (ro) */
83 0x00, /* REG_ASICREV 0x02 (ro) */
84 0x00, /* REG_INTID 0x03 */
85 0x00, /* REG_INTMR 0x04 */
86 0x00, /* REG_NCPCTRL 0x05 */
87 0x00, /* REG_LDOCTL 0x06 */
88 0x60, /* REG_HPPLLCTL 0x07 */
89 0x00, /* REG_LPPLLCTL 0x08 */
90 0x4A, /* REG_LPPLLDIV 0x09 */
91 0x00, /* REG_AMICBCTL 0x0A */
92 0x00, /* REG_DMICBCTL 0x0B */
93 0x00, /* REG_MICLCTL 0x0C */
94 0x00, /* REG_MICRCTL 0x0D */
95 0x00, /* REG_MICGAIN 0x0E */
96 0x1B, /* REG_LINEGAIN 0x0F */
97 0x00, /* REG_HSLCTL 0x10 */
98 0x00, /* REG_HSRCTL 0x11 */
99 0x00, /* REG_HSGAIN 0x12 */
100 0x00, /* REG_EARCTL 0x13 */
101 0x00, /* REG_HFLCTL 0x14 */
102 0x00, /* REG_HFLGAIN 0x15 */
103 0x00, /* REG_HFRCTL 0x16 */
104 0x00, /* REG_HFRGAIN 0x17 */
105 0x00, /* REG_VIBCTLL 0x18 */
106 0x00, /* REG_VIBDATL 0x19 */
107 0x00, /* REG_VIBCTLR 0x1A */
108 0x00, /* REG_VIBDATR 0x1B */
109 0x00, /* REG_HKCTL1 0x1C */
110 0x00, /* REG_HKCTL2 0x1D */
111 0x00, /* REG_GPOCTL 0x1E */
112 0x00, /* REG_ALB 0x1F */
113 0x00, /* REG_DLB 0x20 */
114 0x00, /* not used 0x21 */
115 0x00, /* not used 0x22 */
116 0x00, /* not used 0x23 */
117 0x00, /* not used 0x24 */
118 0x00, /* not used 0x25 */
119 0x00, /* not used 0x26 */
120 0x00, /* not used 0x27 */
121 0x00, /* REG_TRIM1 0x28 */
122 0x00, /* REG_TRIM2 0x29 */
123 0x00, /* REG_TRIM3 0x2A */
124 0x00, /* REG_HSOTRIM 0x2B */
125 0x00, /* REG_HFOTRIM 0x2C */
126 0x09, /* REG_ACCCTL 0x2D */
127 0x00, /* REG_STATUS 0x2E (ro) */
128
129 0x00, /* REG_SW_SHADOW 0x2F - Shadow, non HW register */
130 };
131
132 /* List of registers to be restored after power up */
133 static const int twl6040_restore_list[] = {
134 TWL6040_REG_MICLCTL,
135 TWL6040_REG_MICRCTL,
136 TWL6040_REG_MICGAIN,
137 TWL6040_REG_LINEGAIN,
138 TWL6040_REG_HSLCTL,
139 TWL6040_REG_HSRCTL,
140 TWL6040_REG_HSGAIN,
141 TWL6040_REG_EARCTL,
142 TWL6040_REG_HFLCTL,
143 TWL6040_REG_HFLGAIN,
144 TWL6040_REG_HFRCTL,
145 TWL6040_REG_HFRGAIN,
146 };
147
148 /* set of rates for each pll: low-power and high-performance */
149 static unsigned int lp_rates[] = {
150 8000,
151 11250,
152 16000,
153 22500,
154 32000,
155 44100,
156 48000,
157 88200,
158 96000,
159 };
160
161 static unsigned int hp_rates[] = {
162 8000,
163 16000,
164 32000,
165 48000,
166 96000,
167 };
168
169 static struct snd_pcm_hw_constraint_list sysclk_constraints[] = {
170 { .count = ARRAY_SIZE(lp_rates), .list = lp_rates, },
171 { .count = ARRAY_SIZE(hp_rates), .list = hp_rates, },
172 };
173
174 /*
175 * read twl6040 register cache
176 */
177 static inline unsigned int twl6040_read_reg_cache(struct snd_soc_codec *codec,
178 unsigned int reg)
179 {
180 u8 *cache = codec->reg_cache;
181
182 if (reg >= TWL6040_CACHEREGNUM)
183 return -EIO;
184
185 return cache[reg];
186 }
187
188 /*
189 * write twl6040 register cache
190 */
191 static inline void twl6040_write_reg_cache(struct snd_soc_codec *codec,
192 u8 reg, u8 value)
193 {
194 u8 *cache = codec->reg_cache;
195
196 if (reg >= TWL6040_CACHEREGNUM)
197 return;
198 cache[reg] = value;
199 }
200
201 /*
202 * read from twl6040 hardware register
203 */
204 static int twl6040_read_reg_volatile(struct snd_soc_codec *codec,
205 unsigned int reg)
206 {
207 struct twl6040 *twl6040 = codec->control_data;
208 u8 value;
209
210 if (reg >= TWL6040_CACHEREGNUM)
211 return -EIO;
212
213 if (likely(reg < TWL6040_REG_SW_SHADOW)) {
214 value = twl6040_reg_read(twl6040, reg);
215 twl6040_write_reg_cache(codec, reg, value);
216 } else {
217 value = twl6040_read_reg_cache(codec, reg);
218 }
219
220 return value;
221 }
222
223 /*
224 * write to the twl6040 register space
225 */
226 static int twl6040_write(struct snd_soc_codec *codec,
227 unsigned int reg, unsigned int value)
228 {
229 struct twl6040 *twl6040 = codec->control_data;
230
231 if (reg >= TWL6040_CACHEREGNUM)
232 return -EIO;
233
234 twl6040_write_reg_cache(codec, reg, value);
235 if (likely(reg < TWL6040_REG_SW_SHADOW))
236 return twl6040_reg_write(twl6040, reg, value);
237 else
238 return 0;
239 }
240
241 static void twl6040_init_chip(struct snd_soc_codec *codec)
242 {
243 struct twl6040 *twl6040 = codec->control_data;
244 u8 val;
245
246 /* Update reg_cache: ASICREV, and TRIM values */
247 val = twl6040_get_revid(twl6040);
248 twl6040_write_reg_cache(codec, TWL6040_REG_ASICREV, val);
249
250 twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM1);
251 twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM2);
252 twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM3);
253 twl6040_read_reg_volatile(codec, TWL6040_REG_HSOTRIM);
254 twl6040_read_reg_volatile(codec, TWL6040_REG_HFOTRIM);
255
256 /* Change chip defaults */
257 /* No imput selected for microphone amplifiers */
258 twl6040_write_reg_cache(codec, TWL6040_REG_MICLCTL, 0x18);
259 twl6040_write_reg_cache(codec, TWL6040_REG_MICRCTL, 0x18);
260
261 /*
262 * We need to lower the default gain values, so the ramp code
263 * can work correctly for the first playback.
264 * This reduces the pop noise heard at the first playback.
265 */
266 twl6040_write_reg_cache(codec, TWL6040_REG_HSGAIN, 0xff);
267 twl6040_write_reg_cache(codec, TWL6040_REG_EARCTL, 0x1e);
268 twl6040_write_reg_cache(codec, TWL6040_REG_HFLGAIN, 0x1d);
269 twl6040_write_reg_cache(codec, TWL6040_REG_HFRGAIN, 0x1d);
270 twl6040_write_reg_cache(codec, TWL6040_REG_LINEGAIN, 0);
271 }
272
273 static void twl6040_restore_regs(struct snd_soc_codec *codec)
274 {
275 u8 *cache = codec->reg_cache;
276 int reg, i;
277
278 for (i = 0; i < ARRAY_SIZE(twl6040_restore_list); i++) {
279 reg = twl6040_restore_list[i];
280 twl6040_write(codec, reg, cache[reg]);
281 }
282 }
283
284 /* set headset dac and driver power mode */
285 static int headset_power_mode(struct snd_soc_codec *codec, int high_perf)
286 {
287 int hslctl, hsrctl;
288 int mask = TWL6040_HSDRVMODE | TWL6040_HSDACMODE;
289
290 hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL);
291 hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL);
292
293 if (high_perf) {
294 hslctl &= ~mask;
295 hsrctl &= ~mask;
296 } else {
297 hslctl |= mask;
298 hsrctl |= mask;
299 }
300
301 twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl);
302 twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl);
303
304 return 0;
305 }
306
307 static int twl6040_hs_dac_event(struct snd_soc_dapm_widget *w,
308 struct snd_kcontrol *kcontrol, int event)
309 {
310 struct snd_soc_codec *codec = w->codec;
311 u8 hslctl, hsrctl;
312
313 /*
314 * Workaround for Headset DC offset caused pop noise:
315 * Both HS DAC need to be turned on (before the HS driver) and off at
316 * the same time.
317 */
318 hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL);
319 hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL);
320 if (SND_SOC_DAPM_EVENT_ON(event)) {
321 hslctl |= TWL6040_HSDACENA;
322 hsrctl |= TWL6040_HSDACENA;
323 } else {
324 hslctl &= ~TWL6040_HSDACENA;
325 hsrctl &= ~TWL6040_HSDACENA;
326 }
327 twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl);
328 twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl);
329
330 msleep(1);
331 return 0;
332 }
333
334 static int twl6040_ep_drv_event(struct snd_soc_dapm_widget *w,
335 struct snd_kcontrol *kcontrol, int event)
336 {
337 struct snd_soc_codec *codec = w->codec;
338 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
339 int ret = 0;
340
341 if (SND_SOC_DAPM_EVENT_ON(event)) {
342 /* Earphone doesn't support low power mode */
343 priv->hs_power_mode_locked = 1;
344 ret = headset_power_mode(codec, 1);
345 } else {
346 priv->hs_power_mode_locked = 0;
347 ret = headset_power_mode(codec, priv->hs_power_mode);
348 }
349
350 msleep(1);
351
352 return ret;
353 }
354
355 static void twl6040_hs_jack_report(struct snd_soc_codec *codec,
356 struct snd_soc_jack *jack, int report)
357 {
358 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
359 int status;
360
361 mutex_lock(&priv->mutex);
362
363 /* Sync status */
364 status = twl6040_read_reg_volatile(codec, TWL6040_REG_STATUS);
365 if (status & TWL6040_PLUGCOMP)
366 snd_soc_jack_report(jack, report, report);
367 else
368 snd_soc_jack_report(jack, 0, report);
369
370 mutex_unlock(&priv->mutex);
371 }
372
373 void twl6040_hs_jack_detect(struct snd_soc_codec *codec,
374 struct snd_soc_jack *jack, int report)
375 {
376 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
377 struct twl6040_jack_data *hs_jack = &priv->hs_jack;
378
379 hs_jack->jack = jack;
380 hs_jack->report = report;
381
382 twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
383 }
384 EXPORT_SYMBOL_GPL(twl6040_hs_jack_detect);
385
386 static void twl6040_accessory_work(struct work_struct *work)
387 {
388 struct twl6040_data *priv = container_of(work,
389 struct twl6040_data, hs_jack.work.work);
390 struct snd_soc_codec *codec = priv->codec;
391 struct twl6040_jack_data *hs_jack = &priv->hs_jack;
392
393 twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
394 }
395
396 /* audio interrupt handler */
397 static irqreturn_t twl6040_audio_handler(int irq, void *data)
398 {
399 struct snd_soc_codec *codec = data;
400 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
401
402 schedule_delayed_work(&priv->hs_jack.work, msecs_to_jiffies(200));
403
404 return IRQ_HANDLED;
405 }
406
407 static int twl6040_soc_dapm_put_vibra_enum(struct snd_kcontrol *kcontrol,
408 struct snd_ctl_elem_value *ucontrol)
409 {
410 struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
411 struct snd_soc_dapm_widget *widget = wlist->widgets[0];
412 struct snd_soc_codec *codec = widget->codec;
413 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
414 unsigned int val;
415
416 /* Do not allow changes while Input/FF efect is running */
417 val = twl6040_read_reg_volatile(codec, e->reg);
418 if (val & TWL6040_VIBENA && !(val & TWL6040_VIBSEL))
419 return -EBUSY;
420
421 return snd_soc_dapm_put_enum_double(kcontrol, ucontrol);
422 }
423
424 /*
425 * MICATT volume control:
426 * from -6 to 0 dB in 6 dB steps
427 */
428 static DECLARE_TLV_DB_SCALE(mic_preamp_tlv, -600, 600, 0);
429
430 /*
431 * MICGAIN volume control:
432 * from 6 to 30 dB in 6 dB steps
433 */
434 static DECLARE_TLV_DB_SCALE(mic_amp_tlv, 600, 600, 0);
435
436 /*
437 * AFMGAIN volume control:
438 * from -18 to 24 dB in 6 dB steps
439 */
440 static DECLARE_TLV_DB_SCALE(afm_amp_tlv, -1800, 600, 0);
441
442 /*
443 * HSGAIN volume control:
444 * from -30 to 0 dB in 2 dB steps
445 */
446 static DECLARE_TLV_DB_SCALE(hs_tlv, -3000, 200, 0);
447
448 /*
449 * HFGAIN volume control:
450 * from -52 to 6 dB in 2 dB steps
451 */
452 static DECLARE_TLV_DB_SCALE(hf_tlv, -5200, 200, 0);
453
454 /*
455 * EPGAIN volume control:
456 * from -24 to 6 dB in 2 dB steps
457 */
458 static DECLARE_TLV_DB_SCALE(ep_tlv, -2400, 200, 0);
459
460 /* Left analog microphone selection */
461 static const char *twl6040_amicl_texts[] =
462 {"Headset Mic", "Main Mic", "Aux/FM Left", "Off"};
463
464 /* Right analog microphone selection */
465 static const char *twl6040_amicr_texts[] =
466 {"Headset Mic", "Sub Mic", "Aux/FM Right", "Off"};
467
468 static const struct soc_enum twl6040_enum[] = {
469 SOC_ENUM_SINGLE(TWL6040_REG_MICLCTL, 3, 4, twl6040_amicl_texts),
470 SOC_ENUM_SINGLE(TWL6040_REG_MICRCTL, 3, 4, twl6040_amicr_texts),
471 };
472
473 static const char *twl6040_hs_texts[] = {
474 "Off", "HS DAC", "Line-In amp"
475 };
476
477 static const struct soc_enum twl6040_hs_enum[] = {
478 SOC_ENUM_SINGLE(TWL6040_REG_HSLCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
479 twl6040_hs_texts),
480 SOC_ENUM_SINGLE(TWL6040_REG_HSRCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
481 twl6040_hs_texts),
482 };
483
484 static const char *twl6040_hf_texts[] = {
485 "Off", "HF DAC", "Line-In amp"
486 };
487
488 static const struct soc_enum twl6040_hf_enum[] = {
489 SOC_ENUM_SINGLE(TWL6040_REG_HFLCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
490 twl6040_hf_texts),
491 SOC_ENUM_SINGLE(TWL6040_REG_HFRCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
492 twl6040_hf_texts),
493 };
494
495 static const char *twl6040_vibrapath_texts[] = {
496 "Input FF", "Audio PDM"
497 };
498
499 static const struct soc_enum twl6040_vibra_enum[] = {
500 SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLL, 1,
501 ARRAY_SIZE(twl6040_vibrapath_texts),
502 twl6040_vibrapath_texts),
503 SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLR, 1,
504 ARRAY_SIZE(twl6040_vibrapath_texts),
505 twl6040_vibrapath_texts),
506 };
507
508 static const struct snd_kcontrol_new amicl_control =
509 SOC_DAPM_ENUM("Route", twl6040_enum[0]);
510
511 static const struct snd_kcontrol_new amicr_control =
512 SOC_DAPM_ENUM("Route", twl6040_enum[1]);
513
514 /* Headset DAC playback switches */
515 static const struct snd_kcontrol_new hsl_mux_controls =
516 SOC_DAPM_ENUM("Route", twl6040_hs_enum[0]);
517
518 static const struct snd_kcontrol_new hsr_mux_controls =
519 SOC_DAPM_ENUM("Route", twl6040_hs_enum[1]);
520
521 /* Handsfree DAC playback switches */
522 static const struct snd_kcontrol_new hfl_mux_controls =
523 SOC_DAPM_ENUM("Route", twl6040_hf_enum[0]);
524
525 static const struct snd_kcontrol_new hfr_mux_controls =
526 SOC_DAPM_ENUM("Route", twl6040_hf_enum[1]);
527
528 static const struct snd_kcontrol_new ep_path_enable_control =
529 SOC_DAPM_SINGLE("Switch", TWL6040_REG_SW_SHADOW, 0, 1, 0);
530
531 static const struct snd_kcontrol_new auxl_switch_control =
532 SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFLCTL, 6, 1, 0);
533
534 static const struct snd_kcontrol_new auxr_switch_control =
535 SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFRCTL, 6, 1, 0);
536
537 /* Vibra playback switches */
538 static const struct snd_kcontrol_new vibral_mux_controls =
539 SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[0],
540 snd_soc_dapm_get_enum_double,
541 twl6040_soc_dapm_put_vibra_enum);
542
543 static const struct snd_kcontrol_new vibrar_mux_controls =
544 SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[1],
545 snd_soc_dapm_get_enum_double,
546 twl6040_soc_dapm_put_vibra_enum);
547
548 /* Headset power mode */
549 static const char *twl6040_power_mode_texts[] = {
550 "Low-Power", "High-Performance",
551 };
552
553 static const struct soc_enum twl6040_power_mode_enum =
554 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(twl6040_power_mode_texts),
555 twl6040_power_mode_texts);
556
557 static int twl6040_headset_power_get_enum(struct snd_kcontrol *kcontrol,
558 struct snd_ctl_elem_value *ucontrol)
559 {
560 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
561 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
562
563 ucontrol->value.enumerated.item[0] = priv->hs_power_mode;
564
565 return 0;
566 }
567
568 static int twl6040_headset_power_put_enum(struct snd_kcontrol *kcontrol,
569 struct snd_ctl_elem_value *ucontrol)
570 {
571 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
572 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
573 int high_perf = ucontrol->value.enumerated.item[0];
574 int ret = 0;
575
576 if (!priv->hs_power_mode_locked)
577 ret = headset_power_mode(codec, high_perf);
578
579 if (!ret)
580 priv->hs_power_mode = high_perf;
581
582 return ret;
583 }
584
585 static int twl6040_pll_get_enum(struct snd_kcontrol *kcontrol,
586 struct snd_ctl_elem_value *ucontrol)
587 {
588 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
589 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
590
591 ucontrol->value.enumerated.item[0] = priv->pll_power_mode;
592
593 return 0;
594 }
595
596 static int twl6040_pll_put_enum(struct snd_kcontrol *kcontrol,
597 struct snd_ctl_elem_value *ucontrol)
598 {
599 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
600 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
601
602 priv->pll_power_mode = ucontrol->value.enumerated.item[0];
603
604 return 0;
605 }
606
607 int twl6040_get_dl1_gain(struct snd_soc_codec *codec)
608 {
609 struct snd_soc_dapm_context *dapm = &codec->dapm;
610
611 if (snd_soc_dapm_get_pin_status(dapm, "EP"))
612 return -1; /* -1dB */
613
614 if (snd_soc_dapm_get_pin_status(dapm, "HSOR") ||
615 snd_soc_dapm_get_pin_status(dapm, "HSOL")) {
616
617 u8 val = snd_soc_read(codec, TWL6040_REG_HSLCTL);
618 if (val & TWL6040_HSDACMODE)
619 /* HSDACL in LP mode */
620 return -8; /* -8dB */
621 else
622 /* HSDACL in HP mode */
623 return -1; /* -1dB */
624 }
625 return 0; /* 0dB */
626 }
627 EXPORT_SYMBOL_GPL(twl6040_get_dl1_gain);
628
629 int twl6040_get_clk_id(struct snd_soc_codec *codec)
630 {
631 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
632
633 return priv->pll_power_mode;
634 }
635 EXPORT_SYMBOL_GPL(twl6040_get_clk_id);
636
637 int twl6040_get_trim_value(struct snd_soc_codec *codec, enum twl6040_trim trim)
638 {
639 if (unlikely(trim >= TWL6040_TRIM_INVAL))
640 return -EINVAL;
641
642 return twl6040_read_reg_cache(codec, TWL6040_REG_TRIM1 + trim);
643 }
644 EXPORT_SYMBOL_GPL(twl6040_get_trim_value);
645
646 int twl6040_get_hs_step_size(struct snd_soc_codec *codec)
647 {
648 struct twl6040 *twl6040 = codec->control_data;
649
650 if (twl6040_get_revid(twl6040) < TWL6040_REV_ES1_3)
651 /* For ES under ES_1.3 HS step is 2 mV */
652 return 2;
653 else
654 /* For ES_1.3 HS step is 1 mV */
655 return 1;
656 }
657 EXPORT_SYMBOL_GPL(twl6040_get_hs_step_size);
658
659 static const struct snd_kcontrol_new twl6040_snd_controls[] = {
660 /* Capture gains */
661 SOC_DOUBLE_TLV("Capture Preamplifier Volume",
662 TWL6040_REG_MICGAIN, 6, 7, 1, 1, mic_preamp_tlv),
663 SOC_DOUBLE_TLV("Capture Volume",
664 TWL6040_REG_MICGAIN, 0, 3, 4, 0, mic_amp_tlv),
665
666 /* AFM gains */
667 SOC_DOUBLE_TLV("Aux FM Volume",
668 TWL6040_REG_LINEGAIN, 0, 3, 7, 0, afm_amp_tlv),
669
670 /* Playback gains */
671 SOC_DOUBLE_TLV("Headset Playback Volume",
672 TWL6040_REG_HSGAIN, 0, 4, 0xF, 1, hs_tlv),
673 SOC_DOUBLE_R_TLV("Handsfree Playback Volume",
674 TWL6040_REG_HFLGAIN, TWL6040_REG_HFRGAIN, 0, 0x1D, 1, hf_tlv),
675 SOC_SINGLE_TLV("Earphone Playback Volume",
676 TWL6040_REG_EARCTL, 1, 0xF, 1, ep_tlv),
677
678 SOC_ENUM_EXT("Headset Power Mode", twl6040_power_mode_enum,
679 twl6040_headset_power_get_enum,
680 twl6040_headset_power_put_enum),
681
682 SOC_ENUM_EXT("PLL Selection", twl6040_power_mode_enum,
683 twl6040_pll_get_enum, twl6040_pll_put_enum),
684 };
685
686 static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
687 /* Inputs */
688 SND_SOC_DAPM_INPUT("MAINMIC"),
689 SND_SOC_DAPM_INPUT("HSMIC"),
690 SND_SOC_DAPM_INPUT("SUBMIC"),
691 SND_SOC_DAPM_INPUT("AFML"),
692 SND_SOC_DAPM_INPUT("AFMR"),
693
694 /* Outputs */
695 SND_SOC_DAPM_OUTPUT("HSOL"),
696 SND_SOC_DAPM_OUTPUT("HSOR"),
697 SND_SOC_DAPM_OUTPUT("HFL"),
698 SND_SOC_DAPM_OUTPUT("HFR"),
699 SND_SOC_DAPM_OUTPUT("EP"),
700 SND_SOC_DAPM_OUTPUT("AUXL"),
701 SND_SOC_DAPM_OUTPUT("AUXR"),
702 SND_SOC_DAPM_OUTPUT("VIBRAL"),
703 SND_SOC_DAPM_OUTPUT("VIBRAR"),
704
705 /* Analog input muxes for the capture amplifiers */
706 SND_SOC_DAPM_MUX("Analog Left Capture Route",
707 SND_SOC_NOPM, 0, 0, &amicl_control),
708 SND_SOC_DAPM_MUX("Analog Right Capture Route",
709 SND_SOC_NOPM, 0, 0, &amicr_control),
710
711 /* Analog capture PGAs */
712 SND_SOC_DAPM_PGA("MicAmpL",
713 TWL6040_REG_MICLCTL, 0, 0, NULL, 0),
714 SND_SOC_DAPM_PGA("MicAmpR",
715 TWL6040_REG_MICRCTL, 0, 0, NULL, 0),
716
717 /* Auxiliary FM PGAs */
718 SND_SOC_DAPM_PGA("AFMAmpL",
719 TWL6040_REG_MICLCTL, 1, 0, NULL, 0),
720 SND_SOC_DAPM_PGA("AFMAmpR",
721 TWL6040_REG_MICRCTL, 1, 0, NULL, 0),
722
723 /* ADCs */
724 SND_SOC_DAPM_ADC("ADC Left", NULL, TWL6040_REG_MICLCTL, 2, 0),
725 SND_SOC_DAPM_ADC("ADC Right", NULL, TWL6040_REG_MICRCTL, 2, 0),
726
727 /* Microphone bias */
728 SND_SOC_DAPM_SUPPLY("Headset Mic Bias",
729 TWL6040_REG_AMICBCTL, 0, 0, NULL, 0),
730 SND_SOC_DAPM_SUPPLY("Main Mic Bias",
731 TWL6040_REG_AMICBCTL, 4, 0, NULL, 0),
732 SND_SOC_DAPM_SUPPLY("Digital Mic1 Bias",
733 TWL6040_REG_DMICBCTL, 0, 0, NULL, 0),
734 SND_SOC_DAPM_SUPPLY("Digital Mic2 Bias",
735 TWL6040_REG_DMICBCTL, 4, 0, NULL, 0),
736
737 /* DACs */
738 SND_SOC_DAPM_DAC("HSDAC Left", NULL, SND_SOC_NOPM, 0, 0),
739 SND_SOC_DAPM_DAC("HSDAC Right", NULL, SND_SOC_NOPM, 0, 0),
740 SND_SOC_DAPM_DAC("HFDAC Left", NULL, TWL6040_REG_HFLCTL, 0, 0),
741 SND_SOC_DAPM_DAC("HFDAC Right", NULL, TWL6040_REG_HFRCTL, 0, 0),
742 /* Virtual DAC for vibra path (DL4 channel) */
743 SND_SOC_DAPM_DAC("VIBRA DAC", NULL, SND_SOC_NOPM, 0, 0),
744
745 SND_SOC_DAPM_MUX("Handsfree Left Playback",
746 SND_SOC_NOPM, 0, 0, &hfl_mux_controls),
747 SND_SOC_DAPM_MUX("Handsfree Right Playback",
748 SND_SOC_NOPM, 0, 0, &hfr_mux_controls),
749 /* Analog playback Muxes */
750 SND_SOC_DAPM_MUX("Headset Left Playback",
751 SND_SOC_NOPM, 0, 0, &hsl_mux_controls),
752 SND_SOC_DAPM_MUX("Headset Right Playback",
753 SND_SOC_NOPM, 0, 0, &hsr_mux_controls),
754
755 SND_SOC_DAPM_MUX("Vibra Left Playback", SND_SOC_NOPM, 0, 0,
756 &vibral_mux_controls),
757 SND_SOC_DAPM_MUX("Vibra Right Playback", SND_SOC_NOPM, 0, 0,
758 &vibrar_mux_controls),
759
760 SND_SOC_DAPM_SWITCH("Earphone Playback", SND_SOC_NOPM, 0, 0,
761 &ep_path_enable_control),
762 SND_SOC_DAPM_SWITCH("AUXL Playback", SND_SOC_NOPM, 0, 0,
763 &auxl_switch_control),
764 SND_SOC_DAPM_SWITCH("AUXR Playback", SND_SOC_NOPM, 0, 0,
765 &auxr_switch_control),
766
767 /* Analog playback drivers */
768 SND_SOC_DAPM_OUT_DRV("HF Left Driver",
769 TWL6040_REG_HFLCTL, 4, 0, NULL, 0),
770 SND_SOC_DAPM_OUT_DRV("HF Right Driver",
771 TWL6040_REG_HFRCTL, 4, 0, NULL, 0),
772 SND_SOC_DAPM_OUT_DRV("HS Left Driver",
773 TWL6040_REG_HSLCTL, 2, 0, NULL, 0),
774 SND_SOC_DAPM_OUT_DRV("HS Right Driver",
775 TWL6040_REG_HSRCTL, 2, 0, NULL, 0),
776 SND_SOC_DAPM_OUT_DRV_E("Earphone Driver",
777 TWL6040_REG_EARCTL, 0, 0, NULL, 0,
778 twl6040_ep_drv_event,
779 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
780 SND_SOC_DAPM_OUT_DRV("Vibra Left Driver",
781 TWL6040_REG_VIBCTLL, 0, 0, NULL, 0),
782 SND_SOC_DAPM_OUT_DRV("Vibra Right Driver",
783 TWL6040_REG_VIBCTLR, 0, 0, NULL, 0),
784
785 SND_SOC_DAPM_SUPPLY("Vibra Left Control", TWL6040_REG_VIBCTLL, 2, 0,
786 NULL, 0),
787 SND_SOC_DAPM_SUPPLY("Vibra Right Control", TWL6040_REG_VIBCTLR, 2, 0,
788 NULL, 0),
789 SND_SOC_DAPM_SUPPLY_S("HSDAC Power", 1, SND_SOC_NOPM, 0, 0,
790 twl6040_hs_dac_event,
791 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
792
793 /* Analog playback PGAs */
794 SND_SOC_DAPM_PGA("HF Left PGA",
795 TWL6040_REG_HFLCTL, 1, 0, NULL, 0),
796 SND_SOC_DAPM_PGA("HF Right PGA",
797 TWL6040_REG_HFRCTL, 1, 0, NULL, 0),
798
799 };
800
801 static const struct snd_soc_dapm_route intercon[] = {
802 /* Stream -> DAC mapping */
803 {"HSDAC Left", NULL, "Legacy Playback"},
804 {"HSDAC Left", NULL, "Headset Playback"},
805 {"HSDAC Right", NULL, "Legacy Playback"},
806 {"HSDAC Right", NULL, "Headset Playback"},
807
808 {"HFDAC Left", NULL, "Legacy Playback"},
809 {"HFDAC Left", NULL, "Handsfree Playback"},
810 {"HFDAC Right", NULL, "Legacy Playback"},
811 {"HFDAC Right", NULL, "Handsfree Playback"},
812
813 {"VIBRA DAC", NULL, "Legacy Playback"},
814 {"VIBRA DAC", NULL, "Vibra Playback"},
815
816 /* ADC -> Stream mapping */
817 {"Legacy Capture" , NULL, "ADC Left"},
818 {"Capture", NULL, "ADC Left"},
819 {"Legacy Capture", NULL, "ADC Right"},
820 {"Capture" , NULL, "ADC Right"},
821
822 /* Capture path */
823 {"Analog Left Capture Route", "Headset Mic", "HSMIC"},
824 {"Analog Left Capture Route", "Main Mic", "MAINMIC"},
825 {"Analog Left Capture Route", "Aux/FM Left", "AFML"},
826
827 {"Analog Right Capture Route", "Headset Mic", "HSMIC"},
828 {"Analog Right Capture Route", "Sub Mic", "SUBMIC"},
829 {"Analog Right Capture Route", "Aux/FM Right", "AFMR"},
830
831 {"MicAmpL", NULL, "Analog Left Capture Route"},
832 {"MicAmpR", NULL, "Analog Right Capture Route"},
833
834 {"ADC Left", NULL, "MicAmpL"},
835 {"ADC Right", NULL, "MicAmpR"},
836
837 /* AFM path */
838 {"AFMAmpL", NULL, "AFML"},
839 {"AFMAmpR", NULL, "AFMR"},
840
841 {"HSDAC Left", NULL, "HSDAC Power"},
842 {"HSDAC Right", NULL, "HSDAC Power"},
843
844 {"Headset Left Playback", "HS DAC", "HSDAC Left"},
845 {"Headset Left Playback", "Line-In amp", "AFMAmpL"},
846
847 {"Headset Right Playback", "HS DAC", "HSDAC Right"},
848 {"Headset Right Playback", "Line-In amp", "AFMAmpR"},
849
850 {"HS Left Driver", NULL, "Headset Left Playback"},
851 {"HS Right Driver", NULL, "Headset Right Playback"},
852
853 {"HSOL", NULL, "HS Left Driver"},
854 {"HSOR", NULL, "HS Right Driver"},
855
856 /* Earphone playback path */
857 {"Earphone Playback", "Switch", "HSDAC Left"},
858 {"Earphone Driver", NULL, "Earphone Playback"},
859 {"EP", NULL, "Earphone Driver"},
860
861 {"Handsfree Left Playback", "HF DAC", "HFDAC Left"},
862 {"Handsfree Left Playback", "Line-In amp", "AFMAmpL"},
863
864 {"Handsfree Right Playback", "HF DAC", "HFDAC Right"},
865 {"Handsfree Right Playback", "Line-In amp", "AFMAmpR"},
866
867 {"HF Left PGA", NULL, "Handsfree Left Playback"},
868 {"HF Right PGA", NULL, "Handsfree Right Playback"},
869
870 {"HF Left Driver", NULL, "HF Left PGA"},
871 {"HF Right Driver", NULL, "HF Right PGA"},
872
873 {"HFL", NULL, "HF Left Driver"},
874 {"HFR", NULL, "HF Right Driver"},
875
876 {"AUXL Playback", "Switch", "HF Left PGA"},
877 {"AUXR Playback", "Switch", "HF Right PGA"},
878
879 {"AUXL", NULL, "AUXL Playback"},
880 {"AUXR", NULL, "AUXR Playback"},
881
882 /* Vibrator paths */
883 {"Vibra Left Playback", "Audio PDM", "VIBRA DAC"},
884 {"Vibra Right Playback", "Audio PDM", "VIBRA DAC"},
885
886 {"Vibra Left Driver", NULL, "Vibra Left Playback"},
887 {"Vibra Right Driver", NULL, "Vibra Right Playback"},
888 {"Vibra Left Driver", NULL, "Vibra Left Control"},
889 {"Vibra Right Driver", NULL, "Vibra Right Control"},
890
891 {"VIBRAL", NULL, "Vibra Left Driver"},
892 {"VIBRAR", NULL, "Vibra Right Driver"},
893 };
894
895 static int twl6040_set_bias_level(struct snd_soc_codec *codec,
896 enum snd_soc_bias_level level)
897 {
898 struct twl6040 *twl6040 = codec->control_data;
899 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
900 int ret;
901
902 switch (level) {
903 case SND_SOC_BIAS_ON:
904 break;
905 case SND_SOC_BIAS_PREPARE:
906 break;
907 case SND_SOC_BIAS_STANDBY:
908 if (priv->codec_powered)
909 break;
910
911 ret = twl6040_power(twl6040, 1);
912 if (ret)
913 return ret;
914
915 priv->codec_powered = 1;
916
917 twl6040_restore_regs(codec);
918
919 /* Set external boost GPO */
920 twl6040_write(codec, TWL6040_REG_GPOCTL, 0x02);
921 break;
922 case SND_SOC_BIAS_OFF:
923 if (!priv->codec_powered)
924 break;
925
926 twl6040_power(twl6040, 0);
927 priv->codec_powered = 0;
928 break;
929 }
930
931 codec->dapm.bias_level = level;
932
933 return 0;
934 }
935
936 static int twl6040_startup(struct snd_pcm_substream *substream,
937 struct snd_soc_dai *dai)
938 {
939 struct snd_soc_codec *codec = dai->codec;
940 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
941
942 snd_pcm_hw_constraint_list(substream->runtime, 0,
943 SNDRV_PCM_HW_PARAM_RATE,
944 &sysclk_constraints[priv->pll_power_mode]);
945
946 return 0;
947 }
948
949 static int twl6040_hw_params(struct snd_pcm_substream *substream,
950 struct snd_pcm_hw_params *params,
951 struct snd_soc_dai *dai)
952 {
953 struct snd_soc_codec *codec = dai->codec;
954 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
955 int rate;
956
957 rate = params_rate(params);
958 switch (rate) {
959 case 11250:
960 case 22500:
961 case 44100:
962 case 88200:
963 /* These rates are not supported when HPPLL is in use */
964 if (unlikely(priv->pll == TWL6040_SYSCLK_SEL_HPPLL)) {
965 dev_err(codec->dev, "HPPLL does not support rate %d\n",
966 rate);
967 return -EINVAL;
968 }
969 priv->sysclk = 17640000;
970 break;
971 case 8000:
972 case 16000:
973 case 32000:
974 case 48000:
975 case 96000:
976 priv->sysclk = 19200000;
977 break;
978 default:
979 dev_err(codec->dev, "unsupported rate %d\n", rate);
980 return -EINVAL;
981 }
982
983 return 0;
984 }
985
986 static int twl6040_prepare(struct snd_pcm_substream *substream,
987 struct snd_soc_dai *dai)
988 {
989 struct snd_soc_codec *codec = dai->codec;
990 struct twl6040 *twl6040 = codec->control_data;
991 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
992 int ret;
993
994 if (!priv->sysclk) {
995 dev_err(codec->dev,
996 "no mclk configured, call set_sysclk() on init\n");
997 return -EINVAL;
998 }
999
1000 ret = twl6040_set_pll(twl6040, priv->pll, priv->clk_in, priv->sysclk);
1001 if (ret) {
1002 dev_err(codec->dev, "Can not set PLL (%d)\n", ret);
1003 return -EPERM;
1004 }
1005
1006 return 0;
1007 }
1008
1009 static int twl6040_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1010 int clk_id, unsigned int freq, int dir)
1011 {
1012 struct snd_soc_codec *codec = codec_dai->codec;
1013 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1014
1015 switch (clk_id) {
1016 case TWL6040_SYSCLK_SEL_LPPLL:
1017 case TWL6040_SYSCLK_SEL_HPPLL:
1018 priv->pll = clk_id;
1019 priv->clk_in = freq;
1020 break;
1021 default:
1022 dev_err(codec->dev, "unknown clk_id %d\n", clk_id);
1023 return -EINVAL;
1024 }
1025
1026 return 0;
1027 }
1028
1029 static const struct snd_soc_dai_ops twl6040_dai_ops = {
1030 .startup = twl6040_startup,
1031 .hw_params = twl6040_hw_params,
1032 .prepare = twl6040_prepare,
1033 .set_sysclk = twl6040_set_dai_sysclk,
1034 };
1035
1036 static struct snd_soc_dai_driver twl6040_dai[] = {
1037 {
1038 .name = "twl6040-legacy",
1039 .playback = {
1040 .stream_name = "Legacy Playback",
1041 .channels_min = 1,
1042 .channels_max = 5,
1043 .rates = TWL6040_RATES,
1044 .formats = TWL6040_FORMATS,
1045 },
1046 .capture = {
1047 .stream_name = "Legacy Capture",
1048 .channels_min = 1,
1049 .channels_max = 2,
1050 .rates = TWL6040_RATES,
1051 .formats = TWL6040_FORMATS,
1052 },
1053 .ops = &twl6040_dai_ops,
1054 },
1055 {
1056 .name = "twl6040-ul",
1057 .capture = {
1058 .stream_name = "Capture",
1059 .channels_min = 1,
1060 .channels_max = 2,
1061 .rates = TWL6040_RATES,
1062 .formats = TWL6040_FORMATS,
1063 },
1064 .ops = &twl6040_dai_ops,
1065 },
1066 {
1067 .name = "twl6040-dl1",
1068 .playback = {
1069 .stream_name = "Headset Playback",
1070 .channels_min = 1,
1071 .channels_max = 2,
1072 .rates = TWL6040_RATES,
1073 .formats = TWL6040_FORMATS,
1074 },
1075 .ops = &twl6040_dai_ops,
1076 },
1077 {
1078 .name = "twl6040-dl2",
1079 .playback = {
1080 .stream_name = "Handsfree Playback",
1081 .channels_min = 1,
1082 .channels_max = 2,
1083 .rates = TWL6040_RATES,
1084 .formats = TWL6040_FORMATS,
1085 },
1086 .ops = &twl6040_dai_ops,
1087 },
1088 {
1089 .name = "twl6040-vib",
1090 .playback = {
1091 .stream_name = "Vibra Playback",
1092 .channels_min = 1,
1093 .channels_max = 1,
1094 .rates = SNDRV_PCM_RATE_CONTINUOUS,
1095 .formats = TWL6040_FORMATS,
1096 },
1097 .ops = &twl6040_dai_ops,
1098 },
1099 };
1100
1101 #ifdef CONFIG_PM
1102 static int twl6040_suspend(struct snd_soc_codec *codec)
1103 {
1104 twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
1105
1106 return 0;
1107 }
1108
1109 static int twl6040_resume(struct snd_soc_codec *codec)
1110 {
1111 twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1112
1113 return 0;
1114 }
1115 #else
1116 #define twl6040_suspend NULL
1117 #define twl6040_resume NULL
1118 #endif
1119
1120 static int twl6040_probe(struct snd_soc_codec *codec)
1121 {
1122 struct twl6040_data *priv;
1123 struct platform_device *pdev = container_of(codec->dev,
1124 struct platform_device, dev);
1125 int ret = 0;
1126
1127 priv = devm_kzalloc(codec->dev, sizeof(*priv), GFP_KERNEL);
1128 if (priv == NULL)
1129 return -ENOMEM;
1130
1131 snd_soc_codec_set_drvdata(codec, priv);
1132
1133 priv->codec = codec;
1134 codec->control_data = dev_get_drvdata(codec->dev->parent);
1135
1136 priv->plug_irq = platform_get_irq(pdev, 0);
1137 if (priv->plug_irq < 0) {
1138 dev_err(codec->dev, "invalid irq\n");
1139 return -EINVAL;
1140 }
1141
1142 INIT_DELAYED_WORK(&priv->hs_jack.work, twl6040_accessory_work);
1143
1144 mutex_init(&priv->mutex);
1145
1146 ret = devm_request_threaded_irq(codec->dev, priv->plug_irq, NULL,
1147 twl6040_audio_handler, IRQF_NO_SUSPEND,
1148 "twl6040_irq_plug", codec);
1149 if (ret) {
1150 dev_err(codec->dev, "PLUG IRQ request failed: %d\n", ret);
1151 return ret;
1152 }
1153
1154 twl6040_init_chip(codec);
1155
1156 /* power on device */
1157 return twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1158 }
1159
1160 static int twl6040_remove(struct snd_soc_codec *codec)
1161 {
1162 twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
1163
1164 return 0;
1165 }
1166
1167 static struct snd_soc_codec_driver soc_codec_dev_twl6040 = {
1168 .probe = twl6040_probe,
1169 .remove = twl6040_remove,
1170 .suspend = twl6040_suspend,
1171 .resume = twl6040_resume,
1172 .read = twl6040_read_reg_cache,
1173 .write = twl6040_write,
1174 .set_bias_level = twl6040_set_bias_level,
1175 .reg_cache_size = ARRAY_SIZE(twl6040_reg),
1176 .reg_word_size = sizeof(u8),
1177 .reg_cache_default = twl6040_reg,
1178 .ignore_pmdown_time = true,
1179
1180 .controls = twl6040_snd_controls,
1181 .num_controls = ARRAY_SIZE(twl6040_snd_controls),
1182 .dapm_widgets = twl6040_dapm_widgets,
1183 .num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets),
1184 .dapm_routes = intercon,
1185 .num_dapm_routes = ARRAY_SIZE(intercon),
1186 };
1187
1188 static int twl6040_codec_probe(struct platform_device *pdev)
1189 {
1190 return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_twl6040,
1191 twl6040_dai, ARRAY_SIZE(twl6040_dai));
1192 }
1193
1194 static int twl6040_codec_remove(struct platform_device *pdev)
1195 {
1196 snd_soc_unregister_codec(&pdev->dev);
1197 return 0;
1198 }
1199
1200 static struct platform_driver twl6040_codec_driver = {
1201 .driver = {
1202 .name = "twl6040-codec",
1203 .owner = THIS_MODULE,
1204 },
1205 .probe = twl6040_codec_probe,
1206 .remove = twl6040_codec_remove,
1207 };
1208
1209 module_platform_driver(twl6040_codec_driver);
1210
1211 MODULE_DESCRIPTION("ASoC TWL6040 codec driver");
1212 MODULE_AUTHOR("Misael Lopez Cruz");
1213 MODULE_LICENSE("GPL");
CJK support for tty framebuffer vt