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 #define TWL6040_CACHEREGNUM (TWL6040_REG_STATUS + 1)
58
59 struct twl6040_jack_data {
60 struct snd_soc_jack *jack;
61 struct delayed_work work;
62 int report;
63 };
64
65 /* codec private data */
66 struct twl6040_data {
67 int plug_irq;
68 int codec_powered;
69 int pll;
70 int pll_power_mode;
71 int hs_power_mode;
72 int hs_power_mode_locked;
73 bool dl1_unmuted;
74 bool dl2_unmuted;
75 u8 dl12_cache[TWL6040_REG_HFRCTL - TWL6040_REG_HSLCTL + 1];
76 unsigned int clk_in;
77 unsigned int sysclk;
78 struct twl6040_jack_data hs_jack;
79 struct snd_soc_component *component;
80 struct mutex mutex;
81 };
82
83 /* set of rates for each pll: low-power and high-performance */
84 static const unsigned int lp_rates[] = {
85 8000,
86 11250,
87 16000,
88 22500,
89 32000,
90 44100,
91 48000,
92 88200,
93 96000,
94 };
95
96 static const unsigned int hp_rates[] = {
97 8000,
98 16000,
99 32000,
100 48000,
101 96000,
102 };
103
104 static const struct snd_pcm_hw_constraint_list sysclk_constraints[] = {
105 { .count = ARRAY_SIZE(lp_rates), .list = lp_rates, },
106 { .count = ARRAY_SIZE(hp_rates), .list = hp_rates, },
107 };
108
109 #define to_twl6040(component) dev_get_drvdata((component)->dev->parent)
110
twl6040_read(struct snd_soc_component * component,unsigned int reg)111 static unsigned int twl6040_read(struct snd_soc_component *component, unsigned int reg)
112 {
113 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
114 struct twl6040 *twl6040 = to_twl6040(component);
115 u8 value;
116
117 if (reg >= TWL6040_CACHEREGNUM)
118 return -EIO;
119
120 switch (reg) {
121 case TWL6040_REG_HSLCTL:
122 case TWL6040_REG_HSRCTL:
123 case TWL6040_REG_EARCTL:
124 case TWL6040_REG_HFLCTL:
125 case TWL6040_REG_HFRCTL:
126 value = priv->dl12_cache[reg - TWL6040_REG_HSLCTL];
127 break;
128 default:
129 value = twl6040_reg_read(twl6040, reg);
130 break;
131 }
132
133 return value;
134 }
135
twl6040_can_write_to_chip(struct snd_soc_component * component,unsigned int reg)136 static bool twl6040_can_write_to_chip(struct snd_soc_component *component,
137 unsigned int reg)
138 {
139 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
140
141 switch (reg) {
142 case TWL6040_REG_HSLCTL:
143 case TWL6040_REG_HSRCTL:
144 case TWL6040_REG_EARCTL:
145 /* DL1 path */
146 return priv->dl1_unmuted;
147 case TWL6040_REG_HFLCTL:
148 case TWL6040_REG_HFRCTL:
149 return priv->dl2_unmuted;
150 default:
151 return true;
152 }
153 }
154
twl6040_update_dl12_cache(struct snd_soc_component * component,u8 reg,u8 value)155 static inline void twl6040_update_dl12_cache(struct snd_soc_component *component,
156 u8 reg, u8 value)
157 {
158 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
159
160 switch (reg) {
161 case TWL6040_REG_HSLCTL:
162 case TWL6040_REG_HSRCTL:
163 case TWL6040_REG_EARCTL:
164 case TWL6040_REG_HFLCTL:
165 case TWL6040_REG_HFRCTL:
166 priv->dl12_cache[reg - TWL6040_REG_HSLCTL] = value;
167 break;
168 default:
169 break;
170 }
171 }
172
twl6040_write(struct snd_soc_component * component,unsigned int reg,unsigned int value)173 static int twl6040_write(struct snd_soc_component *component,
174 unsigned int reg, unsigned int value)
175 {
176 struct twl6040 *twl6040 = to_twl6040(component);
177
178 if (reg >= TWL6040_CACHEREGNUM)
179 return -EIO;
180
181 twl6040_update_dl12_cache(component, reg, value);
182 if (twl6040_can_write_to_chip(component, reg))
183 return twl6040_reg_write(twl6040, reg, value);
184 else
185 return 0;
186 }
187
twl6040_init_chip(struct snd_soc_component * component)188 static void twl6040_init_chip(struct snd_soc_component *component)
189 {
190 twl6040_read(component, TWL6040_REG_TRIM1);
191 twl6040_read(component, TWL6040_REG_TRIM2);
192 twl6040_read(component, TWL6040_REG_TRIM3);
193 twl6040_read(component, TWL6040_REG_HSOTRIM);
194 twl6040_read(component, TWL6040_REG_HFOTRIM);
195
196 /* Change chip defaults */
197 /* No imput selected for microphone amplifiers */
198 twl6040_write(component, TWL6040_REG_MICLCTL, 0x18);
199 twl6040_write(component, TWL6040_REG_MICRCTL, 0x18);
200
201 /*
202 * We need to lower the default gain values, so the ramp code
203 * can work correctly for the first playback.
204 * This reduces the pop noise heard at the first playback.
205 */
206 twl6040_write(component, TWL6040_REG_HSGAIN, 0xff);
207 twl6040_write(component, TWL6040_REG_EARCTL, 0x1e);
208 twl6040_write(component, TWL6040_REG_HFLGAIN, 0x1d);
209 twl6040_write(component, TWL6040_REG_HFRGAIN, 0x1d);
210 twl6040_write(component, TWL6040_REG_LINEGAIN, 0);
211 }
212
213 /* set headset dac and driver power mode */
headset_power_mode(struct snd_soc_component * component,int high_perf)214 static int headset_power_mode(struct snd_soc_component *component, int high_perf)
215 {
216 int hslctl, hsrctl;
217 int mask = TWL6040_HSDRVMODE | TWL6040_HSDACMODE;
218
219 hslctl = twl6040_read(component, TWL6040_REG_HSLCTL);
220 hsrctl = twl6040_read(component, TWL6040_REG_HSRCTL);
221
222 if (high_perf) {
223 hslctl &= ~mask;
224 hsrctl &= ~mask;
225 } else {
226 hslctl |= mask;
227 hsrctl |= mask;
228 }
229
230 twl6040_write(component, TWL6040_REG_HSLCTL, hslctl);
231 twl6040_write(component, TWL6040_REG_HSRCTL, hsrctl);
232
233 return 0;
234 }
235
twl6040_hs_dac_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)236 static int twl6040_hs_dac_event(struct snd_soc_dapm_widget *w,
237 struct snd_kcontrol *kcontrol, int event)
238 {
239 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
240 u8 hslctl, hsrctl;
241
242 /*
243 * Workaround for Headset DC offset caused pop noise:
244 * Both HS DAC need to be turned on (before the HS driver) and off at
245 * the same time.
246 */
247 hslctl = twl6040_read(component, TWL6040_REG_HSLCTL);
248 hsrctl = twl6040_read(component, TWL6040_REG_HSRCTL);
249 if (SND_SOC_DAPM_EVENT_ON(event)) {
250 hslctl |= TWL6040_HSDACENA;
251 hsrctl |= TWL6040_HSDACENA;
252 } else {
253 hslctl &= ~TWL6040_HSDACENA;
254 hsrctl &= ~TWL6040_HSDACENA;
255 }
256 twl6040_write(component, TWL6040_REG_HSLCTL, hslctl);
257 twl6040_write(component, TWL6040_REG_HSRCTL, hsrctl);
258
259 msleep(1);
260 return 0;
261 }
262
twl6040_ep_drv_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)263 static int twl6040_ep_drv_event(struct snd_soc_dapm_widget *w,
264 struct snd_kcontrol *kcontrol, int event)
265 {
266 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
267 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
268 int ret = 0;
269
270 if (SND_SOC_DAPM_EVENT_ON(event)) {
271 /* Earphone doesn't support low power mode */
272 priv->hs_power_mode_locked = 1;
273 ret = headset_power_mode(component, 1);
274 } else {
275 priv->hs_power_mode_locked = 0;
276 ret = headset_power_mode(component, priv->hs_power_mode);
277 }
278
279 msleep(1);
280
281 return ret;
282 }
283
twl6040_hs_jack_report(struct snd_soc_component * component,struct snd_soc_jack * jack,int report)284 static void twl6040_hs_jack_report(struct snd_soc_component *component,
285 struct snd_soc_jack *jack, int report)
286 {
287 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
288 int status;
289
290 mutex_lock(&priv->mutex);
291
292 /* Sync status */
293 status = twl6040_read(component, TWL6040_REG_STATUS);
294 if (status & TWL6040_PLUGCOMP)
295 snd_soc_jack_report(jack, report, report);
296 else
297 snd_soc_jack_report(jack, 0, report);
298
299 mutex_unlock(&priv->mutex);
300 }
301
twl6040_hs_jack_detect(struct snd_soc_component * component,struct snd_soc_jack * jack,int report)302 void twl6040_hs_jack_detect(struct snd_soc_component *component,
303 struct snd_soc_jack *jack, int report)
304 {
305 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
306 struct twl6040_jack_data *hs_jack = &priv->hs_jack;
307
308 hs_jack->jack = jack;
309 hs_jack->report = report;
310
311 twl6040_hs_jack_report(component, hs_jack->jack, hs_jack->report);
312 }
313 EXPORT_SYMBOL_GPL(twl6040_hs_jack_detect);
314
twl6040_accessory_work(struct work_struct * work)315 static void twl6040_accessory_work(struct work_struct *work)
316 {
317 struct twl6040_data *priv = container_of(work,
318 struct twl6040_data, hs_jack.work.work);
319 struct snd_soc_component *component = priv->component;
320 struct twl6040_jack_data *hs_jack = &priv->hs_jack;
321
322 twl6040_hs_jack_report(component, hs_jack->jack, hs_jack->report);
323 }
324
325 /* audio interrupt handler */
twl6040_audio_handler(int irq,void * data)326 static irqreturn_t twl6040_audio_handler(int irq, void *data)
327 {
328 struct snd_soc_component *component = data;
329 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
330
331 queue_delayed_work(system_power_efficient_wq,
332 &priv->hs_jack.work, msecs_to_jiffies(200));
333
334 return IRQ_HANDLED;
335 }
336
twl6040_soc_dapm_put_vibra_enum(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)337 static int twl6040_soc_dapm_put_vibra_enum(struct snd_kcontrol *kcontrol,
338 struct snd_ctl_elem_value *ucontrol)
339 {
340 struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol);
341 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
342 unsigned int val;
343
344 /* Do not allow changes while Input/FF efect is running */
345 val = twl6040_read(component, e->reg);
346 if (val & TWL6040_VIBENA && !(val & TWL6040_VIBSEL))
347 return -EBUSY;
348
349 return snd_soc_dapm_put_enum_double(kcontrol, ucontrol);
350 }
351
352 /*
353 * MICATT volume control:
354 * from -6 to 0 dB in 6 dB steps
355 */
356 static DECLARE_TLV_DB_SCALE(mic_preamp_tlv, -600, 600, 0);
357
358 /*
359 * MICGAIN volume control:
360 * from 6 to 30 dB in 6 dB steps
361 */
362 static DECLARE_TLV_DB_SCALE(mic_amp_tlv, 600, 600, 0);
363
364 /*
365 * AFMGAIN volume control:
366 * from -18 to 24 dB in 6 dB steps
367 */
368 static DECLARE_TLV_DB_SCALE(afm_amp_tlv, -1800, 600, 0);
369
370 /*
371 * HSGAIN volume control:
372 * from -30 to 0 dB in 2 dB steps
373 */
374 static DECLARE_TLV_DB_SCALE(hs_tlv, -3000, 200, 0);
375
376 /*
377 * HFGAIN volume control:
378 * from -52 to 6 dB in 2 dB steps
379 */
380 static DECLARE_TLV_DB_SCALE(hf_tlv, -5200, 200, 0);
381
382 /*
383 * EPGAIN volume control:
384 * from -24 to 6 dB in 2 dB steps
385 */
386 static DECLARE_TLV_DB_SCALE(ep_tlv, -2400, 200, 0);
387
388 /* Left analog microphone selection */
389 static const char *twl6040_amicl_texts[] =
390 {"Headset Mic", "Main Mic", "Aux/FM Left", "Off"};
391
392 /* Right analog microphone selection */
393 static const char *twl6040_amicr_texts[] =
394 {"Headset Mic", "Sub Mic", "Aux/FM Right", "Off"};
395
396 static const struct soc_enum twl6040_enum[] = {
397 SOC_ENUM_SINGLE(TWL6040_REG_MICLCTL, 3,
398 ARRAY_SIZE(twl6040_amicl_texts), twl6040_amicl_texts),
399 SOC_ENUM_SINGLE(TWL6040_REG_MICRCTL, 3,
400 ARRAY_SIZE(twl6040_amicr_texts), twl6040_amicr_texts),
401 };
402
403 static const char *twl6040_hs_texts[] = {
404 "Off", "HS DAC", "Line-In amp"
405 };
406
407 static const struct soc_enum twl6040_hs_enum[] = {
408 SOC_ENUM_SINGLE(TWL6040_REG_HSLCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
409 twl6040_hs_texts),
410 SOC_ENUM_SINGLE(TWL6040_REG_HSRCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
411 twl6040_hs_texts),
412 };
413
414 static const char *twl6040_hf_texts[] = {
415 "Off", "HF DAC", "Line-In amp"
416 };
417
418 static const struct soc_enum twl6040_hf_enum[] = {
419 SOC_ENUM_SINGLE(TWL6040_REG_HFLCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
420 twl6040_hf_texts),
421 SOC_ENUM_SINGLE(TWL6040_REG_HFRCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
422 twl6040_hf_texts),
423 };
424
425 static const char *twl6040_vibrapath_texts[] = {
426 "Input FF", "Audio PDM"
427 };
428
429 static const struct soc_enum twl6040_vibra_enum[] = {
430 SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLL, 1,
431 ARRAY_SIZE(twl6040_vibrapath_texts),
432 twl6040_vibrapath_texts),
433 SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLR, 1,
434 ARRAY_SIZE(twl6040_vibrapath_texts),
435 twl6040_vibrapath_texts),
436 };
437
438 static const struct snd_kcontrol_new amicl_control =
439 SOC_DAPM_ENUM("Route", twl6040_enum[0]);
440
441 static const struct snd_kcontrol_new amicr_control =
442 SOC_DAPM_ENUM("Route", twl6040_enum[1]);
443
444 /* Headset DAC playback switches */
445 static const struct snd_kcontrol_new hsl_mux_controls =
446 SOC_DAPM_ENUM("Route", twl6040_hs_enum[0]);
447
448 static const struct snd_kcontrol_new hsr_mux_controls =
449 SOC_DAPM_ENUM("Route", twl6040_hs_enum[1]);
450
451 /* Handsfree DAC playback switches */
452 static const struct snd_kcontrol_new hfl_mux_controls =
453 SOC_DAPM_ENUM("Route", twl6040_hf_enum[0]);
454
455 static const struct snd_kcontrol_new hfr_mux_controls =
456 SOC_DAPM_ENUM("Route", twl6040_hf_enum[1]);
457
458 static const struct snd_kcontrol_new ep_path_enable_control =
459 SOC_DAPM_SINGLE_VIRT("Switch", 1);
460
461 static const struct snd_kcontrol_new auxl_switch_control =
462 SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFLCTL, 6, 1, 0);
463
464 static const struct snd_kcontrol_new auxr_switch_control =
465 SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFRCTL, 6, 1, 0);
466
467 /* Vibra playback switches */
468 static const struct snd_kcontrol_new vibral_mux_controls =
469 SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[0],
470 snd_soc_dapm_get_enum_double,
471 twl6040_soc_dapm_put_vibra_enum);
472
473 static const struct snd_kcontrol_new vibrar_mux_controls =
474 SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[1],
475 snd_soc_dapm_get_enum_double,
476 twl6040_soc_dapm_put_vibra_enum);
477
478 /* Headset power mode */
479 static const char *twl6040_power_mode_texts[] = {
480 "Low-Power", "High-Performance",
481 };
482
483 static SOC_ENUM_SINGLE_EXT_DECL(twl6040_power_mode_enum,
484 twl6040_power_mode_texts);
485
twl6040_headset_power_get_enum(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)486 static int twl6040_headset_power_get_enum(struct snd_kcontrol *kcontrol,
487 struct snd_ctl_elem_value *ucontrol)
488 {
489 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
490 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
491
492 ucontrol->value.enumerated.item[0] = priv->hs_power_mode;
493
494 return 0;
495 }
496
twl6040_headset_power_put_enum(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)497 static int twl6040_headset_power_put_enum(struct snd_kcontrol *kcontrol,
498 struct snd_ctl_elem_value *ucontrol)
499 {
500 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
501 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
502 int high_perf = ucontrol->value.enumerated.item[0];
503 int ret = 0;
504
505 if (!priv->hs_power_mode_locked)
506 ret = headset_power_mode(component, high_perf);
507
508 if (!ret)
509 priv->hs_power_mode = high_perf;
510
511 return ret;
512 }
513
twl6040_pll_get_enum(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)514 static int twl6040_pll_get_enum(struct snd_kcontrol *kcontrol,
515 struct snd_ctl_elem_value *ucontrol)
516 {
517 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
518 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
519
520 ucontrol->value.enumerated.item[0] = priv->pll_power_mode;
521
522 return 0;
523 }
524
twl6040_pll_put_enum(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)525 static int twl6040_pll_put_enum(struct snd_kcontrol *kcontrol,
526 struct snd_ctl_elem_value *ucontrol)
527 {
528 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
529 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
530
531 priv->pll_power_mode = ucontrol->value.enumerated.item[0];
532
533 return 0;
534 }
535
twl6040_get_dl1_gain(struct snd_soc_component * component)536 int twl6040_get_dl1_gain(struct snd_soc_component *component)
537 {
538 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
539
540 if (snd_soc_dapm_get_pin_status(dapm, "EP"))
541 return -1; /* -1dB */
542
543 if (snd_soc_dapm_get_pin_status(dapm, "HSOR") ||
544 snd_soc_dapm_get_pin_status(dapm, "HSOL")) {
545
546 u8 val = twl6040_read(component, TWL6040_REG_HSLCTL);
547 if (val & TWL6040_HSDACMODE)
548 /* HSDACL in LP mode */
549 return -8; /* -8dB */
550 else
551 /* HSDACL in HP mode */
552 return -1; /* -1dB */
553 }
554 return 0; /* 0dB */
555 }
556 EXPORT_SYMBOL_GPL(twl6040_get_dl1_gain);
557
twl6040_get_clk_id(struct snd_soc_component * component)558 int twl6040_get_clk_id(struct snd_soc_component *component)
559 {
560 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
561
562 return priv->pll_power_mode;
563 }
564 EXPORT_SYMBOL_GPL(twl6040_get_clk_id);
565
twl6040_get_trim_value(struct snd_soc_component * component,enum twl6040_trim trim)566 int twl6040_get_trim_value(struct snd_soc_component *component, enum twl6040_trim trim)
567 {
568 if (unlikely(trim >= TWL6040_TRIM_INVAL))
569 return -EINVAL;
570
571 return twl6040_read(component, TWL6040_REG_TRIM1 + trim);
572 }
573 EXPORT_SYMBOL_GPL(twl6040_get_trim_value);
574
twl6040_get_hs_step_size(struct snd_soc_component * component)575 int twl6040_get_hs_step_size(struct snd_soc_component *component)
576 {
577 struct twl6040 *twl6040 = to_twl6040(component);
578
579 if (twl6040_get_revid(twl6040) < TWL6040_REV_ES1_3)
580 /* For ES under ES_1.3 HS step is 2 mV */
581 return 2;
582 else
583 /* For ES_1.3 HS step is 1 mV */
584 return 1;
585 }
586 EXPORT_SYMBOL_GPL(twl6040_get_hs_step_size);
587
588 static const struct snd_kcontrol_new twl6040_snd_controls[] = {
589 /* Capture gains */
590 SOC_DOUBLE_TLV("Capture Preamplifier Volume",
591 TWL6040_REG_MICGAIN, 6, 7, 1, 1, mic_preamp_tlv),
592 SOC_DOUBLE_TLV("Capture Volume",
593 TWL6040_REG_MICGAIN, 0, 3, 4, 0, mic_amp_tlv),
594
595 /* AFM gains */
596 SOC_DOUBLE_TLV("Aux FM Volume",
597 TWL6040_REG_LINEGAIN, 0, 3, 7, 0, afm_amp_tlv),
598
599 /* Playback gains */
600 SOC_DOUBLE_TLV("Headset Playback Volume",
601 TWL6040_REG_HSGAIN, 0, 4, 0xF, 1, hs_tlv),
602 SOC_DOUBLE_R_TLV("Handsfree Playback Volume",
603 TWL6040_REG_HFLGAIN, TWL6040_REG_HFRGAIN, 0, 0x1D, 1, hf_tlv),
604 SOC_SINGLE_TLV("Earphone Playback Volume",
605 TWL6040_REG_EARCTL, 1, 0xF, 1, ep_tlv),
606
607 SOC_ENUM_EXT("Headset Power Mode", twl6040_power_mode_enum,
608 twl6040_headset_power_get_enum,
609 twl6040_headset_power_put_enum),
610
611 /* Left HS PDM data routed to Right HSDAC */
612 SOC_SINGLE("Headset Mono to Stereo Playback Switch",
613 TWL6040_REG_HSRCTL, 7, 1, 0),
614
615 /* Left HF PDM data routed to Right HFDAC */
616 SOC_SINGLE("Handsfree Mono to Stereo Playback Switch",
617 TWL6040_REG_HFRCTL, 5, 1, 0),
618
619 SOC_ENUM_EXT("PLL Selection", twl6040_power_mode_enum,
620 twl6040_pll_get_enum, twl6040_pll_put_enum),
621 };
622
623 static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
624 /* Inputs */
625 SND_SOC_DAPM_INPUT("MAINMIC"),
626 SND_SOC_DAPM_INPUT("HSMIC"),
627 SND_SOC_DAPM_INPUT("SUBMIC"),
628 SND_SOC_DAPM_INPUT("AFML"),
629 SND_SOC_DAPM_INPUT("AFMR"),
630
631 /* Outputs */
632 SND_SOC_DAPM_OUTPUT("HSOL"),
633 SND_SOC_DAPM_OUTPUT("HSOR"),
634 SND_SOC_DAPM_OUTPUT("HFL"),
635 SND_SOC_DAPM_OUTPUT("HFR"),
636 SND_SOC_DAPM_OUTPUT("EP"),
637 SND_SOC_DAPM_OUTPUT("AUXL"),
638 SND_SOC_DAPM_OUTPUT("AUXR"),
639 SND_SOC_DAPM_OUTPUT("VIBRAL"),
640 SND_SOC_DAPM_OUTPUT("VIBRAR"),
641
642 /* Analog input muxes for the capture amplifiers */
643 SND_SOC_DAPM_MUX("Analog Left Capture Route",
644 SND_SOC_NOPM, 0, 0, &amicl_control),
645 SND_SOC_DAPM_MUX("Analog Right Capture Route",
646 SND_SOC_NOPM, 0, 0, &amicr_control),
647
648 /* Analog capture PGAs */
649 SND_SOC_DAPM_PGA("MicAmpL",
650 TWL6040_REG_MICLCTL, 0, 0, NULL, 0),
651 SND_SOC_DAPM_PGA("MicAmpR",
652 TWL6040_REG_MICRCTL, 0, 0, NULL, 0),
653
654 /* Auxiliary FM PGAs */
655 SND_SOC_DAPM_PGA("AFMAmpL",
656 TWL6040_REG_MICLCTL, 1, 0, NULL, 0),
657 SND_SOC_DAPM_PGA("AFMAmpR",
658 TWL6040_REG_MICRCTL, 1, 0, NULL, 0),
659
660 /* ADCs */
661 SND_SOC_DAPM_ADC("ADC Left", NULL, TWL6040_REG_MICLCTL, 2, 0),
662 SND_SOC_DAPM_ADC("ADC Right", NULL, TWL6040_REG_MICRCTL, 2, 0),
663
664 /* Microphone bias */
665 SND_SOC_DAPM_SUPPLY("Headset Mic Bias",
666 TWL6040_REG_AMICBCTL, 0, 0, NULL, 0),
667 SND_SOC_DAPM_SUPPLY("Main Mic Bias",
668 TWL6040_REG_AMICBCTL, 4, 0, NULL, 0),
669 SND_SOC_DAPM_SUPPLY("Digital Mic1 Bias",
670 TWL6040_REG_DMICBCTL, 0, 0, NULL, 0),
671 SND_SOC_DAPM_SUPPLY("Digital Mic2 Bias",
672 TWL6040_REG_DMICBCTL, 4, 0, NULL, 0),
673
674 /* DACs */
675 SND_SOC_DAPM_DAC("HSDAC Left", NULL, SND_SOC_NOPM, 0, 0),
676 SND_SOC_DAPM_DAC("HSDAC Right", NULL, SND_SOC_NOPM, 0, 0),
677 SND_SOC_DAPM_DAC("HFDAC Left", NULL, TWL6040_REG_HFLCTL, 0, 0),
678 SND_SOC_DAPM_DAC("HFDAC Right", NULL, TWL6040_REG_HFRCTL, 0, 0),
679 /* Virtual DAC for vibra path (DL4 channel) */
680 SND_SOC_DAPM_DAC("VIBRA DAC", NULL, SND_SOC_NOPM, 0, 0),
681
682 SND_SOC_DAPM_MUX("Handsfree Left Playback",
683 SND_SOC_NOPM, 0, 0, &hfl_mux_controls),
684 SND_SOC_DAPM_MUX("Handsfree Right Playback",
685 SND_SOC_NOPM, 0, 0, &hfr_mux_controls),
686 /* Analog playback Muxes */
687 SND_SOC_DAPM_MUX("Headset Left Playback",
688 SND_SOC_NOPM, 0, 0, &hsl_mux_controls),
689 SND_SOC_DAPM_MUX("Headset Right Playback",
690 SND_SOC_NOPM, 0, 0, &hsr_mux_controls),
691
692 SND_SOC_DAPM_MUX("Vibra Left Playback", SND_SOC_NOPM, 0, 0,
693 &vibral_mux_controls),
694 SND_SOC_DAPM_MUX("Vibra Right Playback", SND_SOC_NOPM, 0, 0,
695 &vibrar_mux_controls),
696
697 SND_SOC_DAPM_SWITCH("Earphone Playback", SND_SOC_NOPM, 0, 0,
698 &ep_path_enable_control),
699 SND_SOC_DAPM_SWITCH("AUXL Playback", SND_SOC_NOPM, 0, 0,
700 &auxl_switch_control),
701 SND_SOC_DAPM_SWITCH("AUXR Playback", SND_SOC_NOPM, 0, 0,
702 &auxr_switch_control),
703
704 /* Analog playback drivers */
705 SND_SOC_DAPM_OUT_DRV("HF Left Driver",
706 TWL6040_REG_HFLCTL, 4, 0, NULL, 0),
707 SND_SOC_DAPM_OUT_DRV("HF Right Driver",
708 TWL6040_REG_HFRCTL, 4, 0, NULL, 0),
709 SND_SOC_DAPM_OUT_DRV("HS Left Driver",
710 TWL6040_REG_HSLCTL, 2, 0, NULL, 0),
711 SND_SOC_DAPM_OUT_DRV("HS Right Driver",
712 TWL6040_REG_HSRCTL, 2, 0, NULL, 0),
713 SND_SOC_DAPM_OUT_DRV_E("Earphone Driver",
714 TWL6040_REG_EARCTL, 0, 0, NULL, 0,
715 twl6040_ep_drv_event,
716 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
717 SND_SOC_DAPM_OUT_DRV("Vibra Left Driver",
718 TWL6040_REG_VIBCTLL, 0, 0, NULL, 0),
719 SND_SOC_DAPM_OUT_DRV("Vibra Right Driver",
720 TWL6040_REG_VIBCTLR, 0, 0, NULL, 0),
721
722 SND_SOC_DAPM_SUPPLY("Vibra Left Control", TWL6040_REG_VIBCTLL, 2, 0,
723 NULL, 0),
724 SND_SOC_DAPM_SUPPLY("Vibra Right Control", TWL6040_REG_VIBCTLR, 2, 0,
725 NULL, 0),
726 SND_SOC_DAPM_SUPPLY_S("HSDAC Power", 1, SND_SOC_NOPM, 0, 0,
727 twl6040_hs_dac_event,
728 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
729
730 /* Analog playback PGAs */
731 SND_SOC_DAPM_PGA("HF Left PGA",
732 TWL6040_REG_HFLCTL, 1, 0, NULL, 0),
733 SND_SOC_DAPM_PGA("HF Right PGA",
734 TWL6040_REG_HFRCTL, 1, 0, NULL, 0),
735
736 };
737
738 static const struct snd_soc_dapm_route intercon[] = {
739 /* Stream -> DAC mapping */
740 {"HSDAC Left", NULL, "Legacy Playback"},
741 {"HSDAC Left", NULL, "Headset Playback"},
742 {"HSDAC Right", NULL, "Legacy Playback"},
743 {"HSDAC Right", NULL, "Headset Playback"},
744
745 {"HFDAC Left", NULL, "Legacy Playback"},
746 {"HFDAC Left", NULL, "Handsfree Playback"},
747 {"HFDAC Right", NULL, "Legacy Playback"},
748 {"HFDAC Right", NULL, "Handsfree Playback"},
749
750 {"VIBRA DAC", NULL, "Legacy Playback"},
751 {"VIBRA DAC", NULL, "Vibra Playback"},
752
753 /* ADC -> Stream mapping */
754 {"Legacy Capture" , NULL, "ADC Left"},
755 {"Capture", NULL, "ADC Left"},
756 {"Legacy Capture", NULL, "ADC Right"},
757 {"Capture" , NULL, "ADC Right"},
758
759 /* Capture path */
760 {"Analog Left Capture Route", "Headset Mic", "HSMIC"},
761 {"Analog Left Capture Route", "Main Mic", "MAINMIC"},
762 {"Analog Left Capture Route", "Aux/FM Left", "AFML"},
763
764 {"Analog Right Capture Route", "Headset Mic", "HSMIC"},
765 {"Analog Right Capture Route", "Sub Mic", "SUBMIC"},
766 {"Analog Right Capture Route", "Aux/FM Right", "AFMR"},
767
768 {"MicAmpL", NULL, "Analog Left Capture Route"},
769 {"MicAmpR", NULL, "Analog Right Capture Route"},
770
771 {"ADC Left", NULL, "MicAmpL"},
772 {"ADC Right", NULL, "MicAmpR"},
773
774 /* AFM path */
775 {"AFMAmpL", NULL, "AFML"},
776 {"AFMAmpR", NULL, "AFMR"},
777
778 {"HSDAC Left", NULL, "HSDAC Power"},
779 {"HSDAC Right", NULL, "HSDAC Power"},
780
781 {"Headset Left Playback", "HS DAC", "HSDAC Left"},
782 {"Headset Left Playback", "Line-In amp", "AFMAmpL"},
783
784 {"Headset Right Playback", "HS DAC", "HSDAC Right"},
785 {"Headset Right Playback", "Line-In amp", "AFMAmpR"},
786
787 {"HS Left Driver", NULL, "Headset Left Playback"},
788 {"HS Right Driver", NULL, "Headset Right Playback"},
789
790 {"HSOL", NULL, "HS Left Driver"},
791 {"HSOR", NULL, "HS Right Driver"},
792
793 /* Earphone playback path */
794 {"Earphone Playback", "Switch", "HSDAC Left"},
795 {"Earphone Driver", NULL, "Earphone Playback"},
796 {"EP", NULL, "Earphone Driver"},
797
798 {"Handsfree Left Playback", "HF DAC", "HFDAC Left"},
799 {"Handsfree Left Playback", "Line-In amp", "AFMAmpL"},
800
801 {"Handsfree Right Playback", "HF DAC", "HFDAC Right"},
802 {"Handsfree Right Playback", "Line-In amp", "AFMAmpR"},
803
804 {"HF Left PGA", NULL, "Handsfree Left Playback"},
805 {"HF Right PGA", NULL, "Handsfree Right Playback"},
806
807 {"HF Left Driver", NULL, "HF Left PGA"},
808 {"HF Right Driver", NULL, "HF Right PGA"},
809
810 {"HFL", NULL, "HF Left Driver"},
811 {"HFR", NULL, "HF Right Driver"},
812
813 {"AUXL Playback", "Switch", "HF Left PGA"},
814 {"AUXR Playback", "Switch", "HF Right PGA"},
815
816 {"AUXL", NULL, "AUXL Playback"},
817 {"AUXR", NULL, "AUXR Playback"},
818
819 /* Vibrator paths */
820 {"Vibra Left Playback", "Audio PDM", "VIBRA DAC"},
821 {"Vibra Right Playback", "Audio PDM", "VIBRA DAC"},
822
823 {"Vibra Left Driver", NULL, "Vibra Left Playback"},
824 {"Vibra Right Driver", NULL, "Vibra Right Playback"},
825 {"Vibra Left Driver", NULL, "Vibra Left Control"},
826 {"Vibra Right Driver", NULL, "Vibra Right Control"},
827
828 {"VIBRAL", NULL, "Vibra Left Driver"},
829 {"VIBRAR", NULL, "Vibra Right Driver"},
830 };
831
twl6040_set_bias_level(struct snd_soc_component * component,enum snd_soc_bias_level level)832 static int twl6040_set_bias_level(struct snd_soc_component *component,
833 enum snd_soc_bias_level level)
834 {
835 struct twl6040 *twl6040 = to_twl6040(component);
836 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
837 int ret = 0;
838
839 switch (level) {
840 case SND_SOC_BIAS_ON:
841 break;
842 case SND_SOC_BIAS_PREPARE:
843 break;
844 case SND_SOC_BIAS_STANDBY:
845 if (priv->codec_powered) {
846 /* Select low power PLL in standby */
847 ret = twl6040_set_pll(twl6040, TWL6040_SYSCLK_SEL_LPPLL,
848 32768, 19200000);
849 break;
850 }
851
852 ret = twl6040_power(twl6040, 1);
853 if (ret)
854 break;
855
856 priv->codec_powered = 1;
857
858 /* Set external boost GPO */
859 twl6040_write(component, TWL6040_REG_GPOCTL, 0x02);
860 break;
861 case SND_SOC_BIAS_OFF:
862 if (!priv->codec_powered)
863 break;
864
865 twl6040_power(twl6040, 0);
866 priv->codec_powered = 0;
867 break;
868 }
869
870 return ret;
871 }
872
twl6040_startup(struct snd_pcm_substream * substream,struct snd_soc_dai * dai)873 static int twl6040_startup(struct snd_pcm_substream *substream,
874 struct snd_soc_dai *dai)
875 {
876 struct snd_soc_component *component = dai->component;
877 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
878
879 snd_pcm_hw_constraint_list(substream->runtime, 0,
880 SNDRV_PCM_HW_PARAM_RATE,
881 &sysclk_constraints[priv->pll_power_mode]);
882
883 return 0;
884 }
885
twl6040_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * dai)886 static int twl6040_hw_params(struct snd_pcm_substream *substream,
887 struct snd_pcm_hw_params *params,
888 struct snd_soc_dai *dai)
889 {
890 struct snd_soc_component *component = dai->component;
891 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
892 int rate;
893
894 rate = params_rate(params);
895 switch (rate) {
896 case 11250:
897 case 22500:
898 case 44100:
899 case 88200:
900 /* These rates are not supported when HPPLL is in use */
901 if (unlikely(priv->pll == TWL6040_SYSCLK_SEL_HPPLL)) {
902 dev_err(component->dev, "HPPLL does not support rate %d\n",
903 rate);
904 return -EINVAL;
905 }
906 priv->sysclk = 17640000;
907 break;
908 case 8000:
909 case 16000:
910 case 32000:
911 case 48000:
912 case 96000:
913 priv->sysclk = 19200000;
914 break;
915 default:
916 dev_err(component->dev, "unsupported rate %d\n", rate);
917 return -EINVAL;
918 }
919
920 return 0;
921 }
922
twl6040_prepare(struct snd_pcm_substream * substream,struct snd_soc_dai * dai)923 static int twl6040_prepare(struct snd_pcm_substream *substream,
924 struct snd_soc_dai *dai)
925 {
926 struct snd_soc_component *component = dai->component;
927 struct twl6040 *twl6040 = to_twl6040(component);
928 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
929 int ret;
930
931 if (!priv->sysclk) {
932 dev_err(component->dev,
933 "no mclk configured, call set_sysclk() on init\n");
934 return -EINVAL;
935 }
936
937 ret = twl6040_set_pll(twl6040, priv->pll, priv->clk_in, priv->sysclk);
938 if (ret) {
939 dev_err(component->dev, "Can not set PLL (%d)\n", ret);
940 return -EPERM;
941 }
942
943 return 0;
944 }
945
twl6040_set_dai_sysclk(struct snd_soc_dai * codec_dai,int clk_id,unsigned int freq,int dir)946 static int twl6040_set_dai_sysclk(struct snd_soc_dai *codec_dai,
947 int clk_id, unsigned int freq, int dir)
948 {
949 struct snd_soc_component *component = codec_dai->component;
950 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
951
952 switch (clk_id) {
953 case TWL6040_SYSCLK_SEL_LPPLL:
954 case TWL6040_SYSCLK_SEL_HPPLL:
955 priv->pll = clk_id;
956 priv->clk_in = freq;
957 break;
958 default:
959 dev_err(component->dev, "unknown clk_id %d\n", clk_id);
960 return -EINVAL;
961 }
962
963 return 0;
964 }
965
twl6040_mute_path(struct snd_soc_component * component,enum twl6040_dai_id id,int mute)966 static void twl6040_mute_path(struct snd_soc_component *component, enum twl6040_dai_id id,
967 int mute)
968 {
969 struct twl6040 *twl6040 = to_twl6040(component);
970 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
971 int hslctl, hsrctl, earctl;
972 int hflctl, hfrctl;
973
974 switch (id) {
975 case TWL6040_DAI_DL1:
976 hslctl = twl6040_read(component, TWL6040_REG_HSLCTL);
977 hsrctl = twl6040_read(component, TWL6040_REG_HSRCTL);
978 earctl = twl6040_read(component, TWL6040_REG_EARCTL);
979
980 if (mute) {
981 /* Power down drivers and DACs */
982 earctl &= ~0x01;
983 hslctl &= ~(TWL6040_HSDRVENA | TWL6040_HSDACENA);
984 hsrctl &= ~(TWL6040_HSDRVENA | TWL6040_HSDACENA);
985
986 }
987
988 twl6040_reg_write(twl6040, TWL6040_REG_EARCTL, earctl);
989 twl6040_reg_write(twl6040, TWL6040_REG_HSLCTL, hslctl);
990 twl6040_reg_write(twl6040, TWL6040_REG_HSRCTL, hsrctl);
991 priv->dl1_unmuted = !mute;
992 break;
993 case TWL6040_DAI_DL2:
994 hflctl = twl6040_read(component, TWL6040_REG_HFLCTL);
995 hfrctl = twl6040_read(component, TWL6040_REG_HFRCTL);
996
997 if (mute) {
998 /* Power down drivers and DACs */
999 hflctl &= ~(TWL6040_HFDACENA | TWL6040_HFPGAENA |
1000 TWL6040_HFDRVENA | TWL6040_HFSWENA);
1001 hfrctl &= ~(TWL6040_HFDACENA | TWL6040_HFPGAENA |
1002 TWL6040_HFDRVENA | TWL6040_HFSWENA);
1003 }
1004
1005 twl6040_reg_write(twl6040, TWL6040_REG_HFLCTL, hflctl);
1006 twl6040_reg_write(twl6040, TWL6040_REG_HFRCTL, hfrctl);
1007 priv->dl2_unmuted = !mute;
1008 break;
1009 default:
1010 break;
1011 }
1012 }
1013
twl6040_digital_mute(struct snd_soc_dai * dai,int mute)1014 static int twl6040_digital_mute(struct snd_soc_dai *dai, int mute)
1015 {
1016 switch (dai->id) {
1017 case TWL6040_DAI_LEGACY:
1018 twl6040_mute_path(dai->component, TWL6040_DAI_DL1, mute);
1019 twl6040_mute_path(dai->component, TWL6040_DAI_DL2, mute);
1020 break;
1021 case TWL6040_DAI_DL1:
1022 case TWL6040_DAI_DL2:
1023 twl6040_mute_path(dai->component, dai->id, mute);
1024 break;
1025 default:
1026 break;
1027 }
1028
1029 return 0;
1030 }
1031
1032 static const struct snd_soc_dai_ops twl6040_dai_ops = {
1033 .startup = twl6040_startup,
1034 .hw_params = twl6040_hw_params,
1035 .prepare = twl6040_prepare,
1036 .set_sysclk = twl6040_set_dai_sysclk,
1037 .digital_mute = twl6040_digital_mute,
1038 };
1039
1040 static struct snd_soc_dai_driver twl6040_dai[] = {
1041 {
1042 .name = "twl6040-legacy",
1043 .id = TWL6040_DAI_LEGACY,
1044 .playback = {
1045 .stream_name = "Legacy Playback",
1046 .channels_min = 1,
1047 .channels_max = 5,
1048 .rates = TWL6040_RATES,
1049 .formats = TWL6040_FORMATS,
1050 },
1051 .capture = {
1052 .stream_name = "Legacy Capture",
1053 .channels_min = 1,
1054 .channels_max = 2,
1055 .rates = TWL6040_RATES,
1056 .formats = TWL6040_FORMATS,
1057 },
1058 .ops = &twl6040_dai_ops,
1059 },
1060 {
1061 .name = "twl6040-ul",
1062 .id = TWL6040_DAI_UL,
1063 .capture = {
1064 .stream_name = "Capture",
1065 .channels_min = 1,
1066 .channels_max = 2,
1067 .rates = TWL6040_RATES,
1068 .formats = TWL6040_FORMATS,
1069 },
1070 .ops = &twl6040_dai_ops,
1071 },
1072 {
1073 .name = "twl6040-dl1",
1074 .id = TWL6040_DAI_DL1,
1075 .playback = {
1076 .stream_name = "Headset Playback",
1077 .channels_min = 1,
1078 .channels_max = 2,
1079 .rates = TWL6040_RATES,
1080 .formats = TWL6040_FORMATS,
1081 },
1082 .ops = &twl6040_dai_ops,
1083 },
1084 {
1085 .name = "twl6040-dl2",
1086 .id = TWL6040_DAI_DL2,
1087 .playback = {
1088 .stream_name = "Handsfree Playback",
1089 .channels_min = 1,
1090 .channels_max = 2,
1091 .rates = TWL6040_RATES,
1092 .formats = TWL6040_FORMATS,
1093 },
1094 .ops = &twl6040_dai_ops,
1095 },
1096 {
1097 .name = "twl6040-vib",
1098 .id = TWL6040_DAI_VIB,
1099 .playback = {
1100 .stream_name = "Vibra Playback",
1101 .channels_min = 1,
1102 .channels_max = 1,
1103 .rates = SNDRV_PCM_RATE_CONTINUOUS,
1104 .formats = TWL6040_FORMATS,
1105 },
1106 .ops = &twl6040_dai_ops,
1107 },
1108 };
1109
twl6040_probe(struct snd_soc_component * component)1110 static int twl6040_probe(struct snd_soc_component *component)
1111 {
1112 struct twl6040_data *priv;
1113 struct platform_device *pdev = to_platform_device(component->dev);
1114 int ret = 0;
1115
1116 priv = devm_kzalloc(component->dev, sizeof(*priv), GFP_KERNEL);
1117 if (priv == NULL)
1118 return -ENOMEM;
1119
1120 snd_soc_component_set_drvdata(component, priv);
1121
1122 priv->component = component;
1123
1124 priv->plug_irq = platform_get_irq(pdev, 0);
1125 if (priv->plug_irq < 0) {
1126 dev_err(component->dev, "invalid irq: %d\n", priv->plug_irq);
1127 return priv->plug_irq;
1128 }
1129
1130 INIT_DELAYED_WORK(&priv->hs_jack.work, twl6040_accessory_work);
1131
1132 mutex_init(&priv->mutex);
1133
1134 ret = request_threaded_irq(priv->plug_irq, NULL,
1135 twl6040_audio_handler,
1136 IRQF_NO_SUSPEND | IRQF_ONESHOT,
1137 "twl6040_irq_plug", component);
1138 if (ret) {
1139 dev_err(component->dev, "PLUG IRQ request failed: %d\n", ret);
1140 return ret;
1141 }
1142
1143 snd_soc_component_force_bias_level(component, SND_SOC_BIAS_STANDBY);
1144 twl6040_init_chip(component);
1145
1146 return 0;
1147 }
1148
twl6040_remove(struct snd_soc_component * component)1149 static void twl6040_remove(struct snd_soc_component *component)
1150 {
1151 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
1152
1153 free_irq(priv->plug_irq, component);
1154 }
1155
1156 static const struct snd_soc_component_driver soc_component_dev_twl6040 = {
1157 .probe = twl6040_probe,
1158 .remove = twl6040_remove,
1159 .read = twl6040_read,
1160 .write = twl6040_write,
1161 .set_bias_level = twl6040_set_bias_level,
1162 .controls = twl6040_snd_controls,
1163 .num_controls = ARRAY_SIZE(twl6040_snd_controls),
1164 .dapm_widgets = twl6040_dapm_widgets,
1165 .num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets),
1166 .dapm_routes = intercon,
1167 .num_dapm_routes = ARRAY_SIZE(intercon),
1168 .suspend_bias_off = 1,
1169 .idle_bias_on = 1,
1170 .endianness = 1,
1171 .non_legacy_dai_naming = 1,
1172 };
1173
twl6040_codec_probe(struct platform_device * pdev)1174 static int twl6040_codec_probe(struct platform_device *pdev)
1175 {
1176 return devm_snd_soc_register_component(&pdev->dev,
1177 &soc_component_dev_twl6040,
1178 twl6040_dai, ARRAY_SIZE(twl6040_dai));
1179 }
1180
1181 static struct platform_driver twl6040_codec_driver = {
1182 .driver = {
1183 .name = "twl6040-codec",
1184 },
1185 .probe = twl6040_codec_probe,
1186 };
1187
1188 module_platform_driver(twl6040_codec_driver);
1189
1190 MODULE_DESCRIPTION("ASoC TWL6040 codec driver");
1191 MODULE_AUTHOR("Misael Lopez Cruz");
1192 MODULE_LICENSE("GPL");
1193
