1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * ALSA SoC TWL6040 codec driver
4 *
5 * Author: Misael Lopez Cruz <x0052729@ti.com>
6 */
7
8 #include <linux/module.h>
9 #include <linux/moduleparam.h>
10 #include <linux/init.h>
11 #include <linux/delay.h>
12 #include <linux/pm.h>
13 #include <linux/platform_device.h>
14 #include <linux/slab.h>
15 #include <linux/mfd/twl6040.h>
16
17 #include <sound/core.h>
18 #include <sound/pcm.h>
19 #include <sound/pcm_params.h>
20 #include <sound/soc.h>
21 #include <sound/soc-dapm.h>
22 #include <sound/initval.h>
23 #include <sound/tlv.h>
24
25 #include "twl6040.h"
26
27 enum twl6040_dai_id {
28 TWL6040_DAI_LEGACY = 0,
29 TWL6040_DAI_UL,
30 TWL6040_DAI_DL1,
31 TWL6040_DAI_DL2,
32 TWL6040_DAI_VIB,
33 };
34
35 #define TWL6040_RATES SNDRV_PCM_RATE_8000_96000
36 #define TWL6040_FORMATS (SNDRV_PCM_FMTBIT_S32_LE)
37
38 #define TWL6040_OUTHS_0dB 0x00
39 #define TWL6040_OUTHS_M30dB 0x0F
40 #define TWL6040_OUTHF_0dB 0x03
41 #define TWL6040_OUTHF_M52dB 0x1D
42
43 #define TWL6040_CACHEREGNUM (TWL6040_REG_STATUS + 1)
44
45 struct twl6040_jack_data {
46 struct snd_soc_jack *jack;
47 struct delayed_work work;
48 int report;
49 };
50
51 /* codec private data */
52 struct twl6040_data {
53 int plug_irq;
54 int codec_powered;
55 int pll;
56 int pll_power_mode;
57 int hs_power_mode;
58 int hs_power_mode_locked;
59 bool dl1_unmuted;
60 bool dl2_unmuted;
61 u8 dl12_cache[TWL6040_REG_HFRCTL - TWL6040_REG_HSLCTL + 1];
62 unsigned int clk_in;
63 unsigned int sysclk;
64 struct twl6040_jack_data hs_jack;
65 struct snd_soc_component *component;
66 struct mutex mutex;
67 };
68
69 /* set of rates for each pll: low-power and high-performance */
70 static const unsigned int lp_rates[] = {
71 8000,
72 11250,
73 16000,
74 22500,
75 32000,
76 44100,
77 48000,
78 88200,
79 96000,
80 };
81
82 static const unsigned int hp_rates[] = {
83 8000,
84 16000,
85 32000,
86 48000,
87 96000,
88 };
89
90 static const struct snd_pcm_hw_constraint_list sysclk_constraints[] = {
91 { .count = ARRAY_SIZE(lp_rates), .list = lp_rates, },
92 { .count = ARRAY_SIZE(hp_rates), .list = hp_rates, },
93 };
94
95 #define to_twl6040(component) dev_get_drvdata((component)->dev->parent)
96
97 static unsigned int twl6040_read(struct snd_soc_component *component, unsigned int reg)
98 {
99 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
100 struct twl6040 *twl6040 = to_twl6040(component);
101 u8 value;
102
103 if (reg >= TWL6040_CACHEREGNUM)
104 return -EIO;
105
106 switch (reg) {
107 case TWL6040_REG_HSLCTL:
108 case TWL6040_REG_HSRCTL:
109 case TWL6040_REG_EARCTL:
110 case TWL6040_REG_HFLCTL:
111 case TWL6040_REG_HFRCTL:
112 value = priv->dl12_cache[reg - TWL6040_REG_HSLCTL];
113 break;
114 default:
115 value = twl6040_reg_read(twl6040, reg);
116 break;
117 }
118
119 return value;
120 }
121
122 static bool twl6040_can_write_to_chip(struct snd_soc_component *component,
123 unsigned int reg)
124 {
125 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
126
127 switch (reg) {
128 case TWL6040_REG_HSLCTL:
129 case TWL6040_REG_HSRCTL:
130 case TWL6040_REG_EARCTL:
131 /* DL1 path */
132 return priv->dl1_unmuted;
133 case TWL6040_REG_HFLCTL:
134 case TWL6040_REG_HFRCTL:
135 return priv->dl2_unmuted;
136 default:
137 return true;
138 }
139 }
140
141 static inline void twl6040_update_dl12_cache(struct snd_soc_component *component,
142 u8 reg, u8 value)
143 {
144 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
145
146 switch (reg) {
147 case TWL6040_REG_HSLCTL:
148 case TWL6040_REG_HSRCTL:
149 case TWL6040_REG_EARCTL:
150 case TWL6040_REG_HFLCTL:
151 case TWL6040_REG_HFRCTL:
152 priv->dl12_cache[reg - TWL6040_REG_HSLCTL] = value;
153 break;
154 default:
155 break;
156 }
157 }
158
159 static int twl6040_write(struct snd_soc_component *component,
160 unsigned int reg, unsigned int value)
161 {
162 struct twl6040 *twl6040 = to_twl6040(component);
163
164 if (reg >= TWL6040_CACHEREGNUM)
165 return -EIO;
166
167 twl6040_update_dl12_cache(component, reg, value);
168 if (twl6040_can_write_to_chip(component, reg))
169 return twl6040_reg_write(twl6040, reg, value);
170 else
171 return 0;
172 }
173
174 static void twl6040_init_chip(struct snd_soc_component *component)
175 {
176 twl6040_read(component, TWL6040_REG_TRIM1);
177 twl6040_read(component, TWL6040_REG_TRIM2);
178 twl6040_read(component, TWL6040_REG_TRIM3);
179 twl6040_read(component, TWL6040_REG_HSOTRIM);
180 twl6040_read(component, TWL6040_REG_HFOTRIM);
181
182 /* Change chip defaults */
183 /* No imput selected for microphone amplifiers */
184 twl6040_write(component, TWL6040_REG_MICLCTL, 0x18);
185 twl6040_write(component, TWL6040_REG_MICRCTL, 0x18);
186
187 /*
188 * We need to lower the default gain values, so the ramp code
189 * can work correctly for the first playback.
190 * This reduces the pop noise heard at the first playback.
191 */
192 twl6040_write(component, TWL6040_REG_HSGAIN, 0xff);
193 twl6040_write(component, TWL6040_REG_EARCTL, 0x1e);
194 twl6040_write(component, TWL6040_REG_HFLGAIN, 0x1d);
195 twl6040_write(component, TWL6040_REG_HFRGAIN, 0x1d);
196 twl6040_write(component, TWL6040_REG_LINEGAIN, 0);
197 }
198
199 /* set headset dac and driver power mode */
200 static int headset_power_mode(struct snd_soc_component *component, int high_perf)
201 {
202 int hslctl, hsrctl;
203 int mask = TWL6040_HSDRVMODE | TWL6040_HSDACMODE;
204
205 hslctl = twl6040_read(component, TWL6040_REG_HSLCTL);
206 hsrctl = twl6040_read(component, TWL6040_REG_HSRCTL);
207
208 if (high_perf) {
209 hslctl &= ~mask;
210 hsrctl &= ~mask;
211 } else {
212 hslctl |= mask;
213 hsrctl |= mask;
214 }
215
216 twl6040_write(component, TWL6040_REG_HSLCTL, hslctl);
217 twl6040_write(component, TWL6040_REG_HSRCTL, hsrctl);
218
219 return 0;
220 }
221
222 static int twl6040_hs_dac_event(struct snd_soc_dapm_widget *w,
223 struct snd_kcontrol *kcontrol, int event)
224 {
225 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
226 u8 hslctl, hsrctl;
227
228 /*
229 * Workaround for Headset DC offset caused pop noise:
230 * Both HS DAC need to be turned on (before the HS driver) and off at
231 * the same time.
232 */
233 hslctl = twl6040_read(component, TWL6040_REG_HSLCTL);
234 hsrctl = twl6040_read(component, TWL6040_REG_HSRCTL);
235 if (SND_SOC_DAPM_EVENT_ON(event)) {
236 hslctl |= TWL6040_HSDACENA;
237 hsrctl |= TWL6040_HSDACENA;
238 } else {
239 hslctl &= ~TWL6040_HSDACENA;
240 hsrctl &= ~TWL6040_HSDACENA;
241 }
242 twl6040_write(component, TWL6040_REG_HSLCTL, hslctl);
243 twl6040_write(component, TWL6040_REG_HSRCTL, hsrctl);
244
245 msleep(1);
246 return 0;
247 }
248
249 static int twl6040_ep_drv_event(struct snd_soc_dapm_widget *w,
250 struct snd_kcontrol *kcontrol, int event)
251 {
252 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
253 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
254 int ret = 0;
255
256 if (SND_SOC_DAPM_EVENT_ON(event)) {
257 /* Earphone doesn't support low power mode */
258 priv->hs_power_mode_locked = 1;
259 ret = headset_power_mode(component, 1);
260 } else {
261 priv->hs_power_mode_locked = 0;
262 ret = headset_power_mode(component, priv->hs_power_mode);
263 }
264
265 msleep(1);
266
267 return ret;
268 }
269
270 static void twl6040_hs_jack_report(struct snd_soc_component *component,
271 struct snd_soc_jack *jack, int report)
272 {
273 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
274 int status;
275
276 mutex_lock(&priv->mutex);
277
278 /* Sync status */
279 status = twl6040_read(component, TWL6040_REG_STATUS);
280 if (status & TWL6040_PLUGCOMP)
281 snd_soc_jack_report(jack, report, report);
282 else
283 snd_soc_jack_report(jack, 0, report);
284
285 mutex_unlock(&priv->mutex);
286 }
287
288 void twl6040_hs_jack_detect(struct snd_soc_component *component,
289 struct snd_soc_jack *jack, int report)
290 {
291 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
292 struct twl6040_jack_data *hs_jack = &priv->hs_jack;
293
294 hs_jack->jack = jack;
295 hs_jack->report = report;
296
297 twl6040_hs_jack_report(component, hs_jack->jack, hs_jack->report);
298 }
299 EXPORT_SYMBOL_GPL(twl6040_hs_jack_detect);
300
301 static void twl6040_accessory_work(struct work_struct *work)
302 {
303 struct twl6040_data *priv = container_of(work,
304 struct twl6040_data, hs_jack.work.work);
305 struct snd_soc_component *component = priv->component;
306 struct twl6040_jack_data *hs_jack = &priv->hs_jack;
307
308 twl6040_hs_jack_report(component, hs_jack->jack, hs_jack->report);
309 }
310
311 /* audio interrupt handler */
312 static irqreturn_t twl6040_audio_handler(int irq, void *data)
313 {
314 struct snd_soc_component *component = data;
315 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
316
317 queue_delayed_work(system_power_efficient_wq,
318 &priv->hs_jack.work, msecs_to_jiffies(200));
319
320 return IRQ_HANDLED;
321 }
322
323 static int twl6040_soc_dapm_put_vibra_enum(struct snd_kcontrol *kcontrol,
324 struct snd_ctl_elem_value *ucontrol)
325 {
326 struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol);
327 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
328 unsigned int val;
329
330 /* Do not allow changes while Input/FF efect is running */
331 val = twl6040_read(component, e->reg);
332 if (val & TWL6040_VIBENA && !(val & TWL6040_VIBSEL))
333 return -EBUSY;
334
335 return snd_soc_dapm_put_enum_double(kcontrol, ucontrol);
336 }
337
338 /*
339 * MICATT volume control:
340 * from -6 to 0 dB in 6 dB steps
341 */
342 static DECLARE_TLV_DB_SCALE(mic_preamp_tlv, -600, 600, 0);
343
344 /*
345 * MICGAIN volume control:
346 * from 6 to 30 dB in 6 dB steps
347 */
348 static DECLARE_TLV_DB_SCALE(mic_amp_tlv, 600, 600, 0);
349
350 /*
351 * AFMGAIN volume control:
352 * from -18 to 24 dB in 6 dB steps
353 */
354 static DECLARE_TLV_DB_SCALE(afm_amp_tlv, -1800, 600, 0);
355
356 /*
357 * HSGAIN volume control:
358 * from -30 to 0 dB in 2 dB steps
359 */
360 static DECLARE_TLV_DB_SCALE(hs_tlv, -3000, 200, 0);
361
362 /*
363 * HFGAIN volume control:
364 * from -52 to 6 dB in 2 dB steps
365 */
366 static DECLARE_TLV_DB_SCALE(hf_tlv, -5200, 200, 0);
367
368 /*
369 * EPGAIN volume control:
370 * from -24 to 6 dB in 2 dB steps
371 */
372 static DECLARE_TLV_DB_SCALE(ep_tlv, -2400, 200, 0);
373
374 /* Left analog microphone selection */
375 static const char *twl6040_amicl_texts[] =
376 {"Headset Mic", "Main Mic", "Aux/FM Left", "Off"};
377
378 /* Right analog microphone selection */
379 static const char *twl6040_amicr_texts[] =
380 {"Headset Mic", "Sub Mic", "Aux/FM Right", "Off"};
381
382 static const struct soc_enum twl6040_enum[] = {
383 SOC_ENUM_SINGLE(TWL6040_REG_MICLCTL, 3,
384 ARRAY_SIZE(twl6040_amicl_texts), twl6040_amicl_texts),
385 SOC_ENUM_SINGLE(TWL6040_REG_MICRCTL, 3,
386 ARRAY_SIZE(twl6040_amicr_texts), twl6040_amicr_texts),
387 };
388
389 static const char *twl6040_hs_texts[] = {
390 "Off", "HS DAC", "Line-In amp"
391 };
392
393 static const struct soc_enum twl6040_hs_enum[] = {
394 SOC_ENUM_SINGLE(TWL6040_REG_HSLCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
395 twl6040_hs_texts),
396 SOC_ENUM_SINGLE(TWL6040_REG_HSRCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
397 twl6040_hs_texts),
398 };
399
400 static const char *twl6040_hf_texts[] = {
401 "Off", "HF DAC", "Line-In amp"
402 };
403
404 static const struct soc_enum twl6040_hf_enum[] = {
405 SOC_ENUM_SINGLE(TWL6040_REG_HFLCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
406 twl6040_hf_texts),
407 SOC_ENUM_SINGLE(TWL6040_REG_HFRCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
408 twl6040_hf_texts),
409 };
410
411 static const char *twl6040_vibrapath_texts[] = {
412 "Input FF", "Audio PDM"
413 };
414
415 static const struct soc_enum twl6040_vibra_enum[] = {
416 SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLL, 1,
417 ARRAY_SIZE(twl6040_vibrapath_texts),
418 twl6040_vibrapath_texts),
419 SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLR, 1,
420 ARRAY_SIZE(twl6040_vibrapath_texts),
421 twl6040_vibrapath_texts),
422 };
423
424 static const struct snd_kcontrol_new amicl_control =
425 SOC_DAPM_ENUM("Route", twl6040_enum[0]);
426
427 static const struct snd_kcontrol_new amicr_control =
428 SOC_DAPM_ENUM("Route", twl6040_enum[1]);
429
430 /* Headset DAC playback switches */
431 static const struct snd_kcontrol_new hsl_mux_controls =
432 SOC_DAPM_ENUM("Route", twl6040_hs_enum[0]);
433
434 static const struct snd_kcontrol_new hsr_mux_controls =
435 SOC_DAPM_ENUM("Route", twl6040_hs_enum[1]);
436
437 /* Handsfree DAC playback switches */
438 static const struct snd_kcontrol_new hfl_mux_controls =
439 SOC_DAPM_ENUM("Route", twl6040_hf_enum[0]);
440
441 static const struct snd_kcontrol_new hfr_mux_controls =
442 SOC_DAPM_ENUM("Route", twl6040_hf_enum[1]);
443
444 static const struct snd_kcontrol_new ep_path_enable_control =
445 SOC_DAPM_SINGLE_VIRT("Switch", 1);
446
447 static const struct snd_kcontrol_new auxl_switch_control =
448 SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFLCTL, 6, 1, 0);
449
450 static const struct snd_kcontrol_new auxr_switch_control =
451 SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFRCTL, 6, 1, 0);
452
453 /* Vibra playback switches */
454 static const struct snd_kcontrol_new vibral_mux_controls =
455 SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[0],
456 snd_soc_dapm_get_enum_double,
457 twl6040_soc_dapm_put_vibra_enum);
458
459 static const struct snd_kcontrol_new vibrar_mux_controls =
460 SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[1],
461 snd_soc_dapm_get_enum_double,
462 twl6040_soc_dapm_put_vibra_enum);
463
464 /* Headset power mode */
465 static const char *twl6040_power_mode_texts[] = {
466 "Low-Power", "High-Performance",
467 };
468
469 static SOC_ENUM_SINGLE_EXT_DECL(twl6040_power_mode_enum,
470 twl6040_power_mode_texts);
471
472 static int twl6040_headset_power_get_enum(struct snd_kcontrol *kcontrol,
473 struct snd_ctl_elem_value *ucontrol)
474 {
475 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
476 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
477
478 ucontrol->value.enumerated.item[0] = priv->hs_power_mode;
479
480 return 0;
481 }
482
483 static int twl6040_headset_power_put_enum(struct snd_kcontrol *kcontrol,
484 struct snd_ctl_elem_value *ucontrol)
485 {
486 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
487 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
488 int high_perf = ucontrol->value.enumerated.item[0];
489 int ret = 0;
490
491 if (!priv->hs_power_mode_locked)
492 ret = headset_power_mode(component, high_perf);
493
494 if (!ret)
495 priv->hs_power_mode = high_perf;
496
497 return ret;
498 }
499
500 static int twl6040_pll_get_enum(struct snd_kcontrol *kcontrol,
501 struct snd_ctl_elem_value *ucontrol)
502 {
503 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
504 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
505
506 ucontrol->value.enumerated.item[0] = priv->pll_power_mode;
507
508 return 0;
509 }
510
511 static int twl6040_pll_put_enum(struct snd_kcontrol *kcontrol,
512 struct snd_ctl_elem_value *ucontrol)
513 {
514 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
515 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
516
517 priv->pll_power_mode = ucontrol->value.enumerated.item[0];
518
519 return 0;
520 }
521
522 int twl6040_get_dl1_gain(struct snd_soc_component *component)
523 {
524 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
525
526 if (snd_soc_dapm_get_pin_status(dapm, "EP"))
527 return -1; /* -1dB */
528
529 if (snd_soc_dapm_get_pin_status(dapm, "HSOR") ||
530 snd_soc_dapm_get_pin_status(dapm, "HSOL")) {
531
532 u8 val = twl6040_read(component, TWL6040_REG_HSLCTL);
533 if (val & TWL6040_HSDACMODE)
534 /* HSDACL in LP mode */
535 return -8; /* -8dB */
536 else
537 /* HSDACL in HP mode */
538 return -1; /* -1dB */
539 }
540 return 0; /* 0dB */
541 }
542 EXPORT_SYMBOL_GPL(twl6040_get_dl1_gain);
543
544 int twl6040_get_clk_id(struct snd_soc_component *component)
545 {
546 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
547
548 return priv->pll_power_mode;
549 }
550 EXPORT_SYMBOL_GPL(twl6040_get_clk_id);
551
552 int twl6040_get_trim_value(struct snd_soc_component *component, enum twl6040_trim trim)
553 {
554 if (unlikely(trim >= TWL6040_TRIM_INVAL))
555 return -EINVAL;
556
557 return twl6040_read(component, TWL6040_REG_TRIM1 + trim);
558 }
559 EXPORT_SYMBOL_GPL(twl6040_get_trim_value);
560
561 int twl6040_get_hs_step_size(struct snd_soc_component *component)
562 {
563 struct twl6040 *twl6040 = to_twl6040(component);
564
565 if (twl6040_get_revid(twl6040) < TWL6040_REV_ES1_3)
566 /* For ES under ES_1.3 HS step is 2 mV */
567 return 2;
568 else
569 /* For ES_1.3 HS step is 1 mV */
570 return 1;
571 }
572 EXPORT_SYMBOL_GPL(twl6040_get_hs_step_size);
573
574 static const struct snd_kcontrol_new twl6040_snd_controls[] = {
575 /* Capture gains */
576 SOC_DOUBLE_TLV("Capture Preamplifier Volume",
577 TWL6040_REG_MICGAIN, 6, 7, 1, 1, mic_preamp_tlv),
578 SOC_DOUBLE_TLV("Capture Volume",
579 TWL6040_REG_MICGAIN, 0, 3, 4, 0, mic_amp_tlv),
580
581 /* AFM gains */
582 SOC_DOUBLE_TLV("Aux FM Volume",
583 TWL6040_REG_LINEGAIN, 0, 3, 7, 0, afm_amp_tlv),
584
585 /* Playback gains */
586 SOC_DOUBLE_TLV("Headset Playback Volume",
587 TWL6040_REG_HSGAIN, 0, 4, 0xF, 1, hs_tlv),
588 SOC_DOUBLE_R_TLV("Handsfree Playback Volume",
589 TWL6040_REG_HFLGAIN, TWL6040_REG_HFRGAIN, 0, 0x1D, 1, hf_tlv),
590 SOC_SINGLE_TLV("Earphone Playback Volume",
591 TWL6040_REG_EARCTL, 1, 0xF, 1, ep_tlv),
592
593 SOC_ENUM_EXT("Headset Power Mode", twl6040_power_mode_enum,
594 twl6040_headset_power_get_enum,
595 twl6040_headset_power_put_enum),
596
597 /* Left HS PDM data routed to Right HSDAC */
598 SOC_SINGLE("Headset Mono to Stereo Playback Switch",
599 TWL6040_REG_HSRCTL, 7, 1, 0),
600
601 /* Left HF PDM data routed to Right HFDAC */
602 SOC_SINGLE("Handsfree Mono to Stereo Playback Switch",
603 TWL6040_REG_HFRCTL, 5, 1, 0),
604
605 SOC_ENUM_EXT("PLL Selection", twl6040_power_mode_enum,
606 twl6040_pll_get_enum, twl6040_pll_put_enum),
607 };
608
609 static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
610 /* Inputs */
611 SND_SOC_DAPM_INPUT("MAINMIC"),
612 SND_SOC_DAPM_INPUT("HSMIC"),
613 SND_SOC_DAPM_INPUT("SUBMIC"),
614 SND_SOC_DAPM_INPUT("AFML"),
615 SND_SOC_DAPM_INPUT("AFMR"),
616
617 /* Outputs */
618 SND_SOC_DAPM_OUTPUT("HSOL"),
619 SND_SOC_DAPM_OUTPUT("HSOR"),
620 SND_SOC_DAPM_OUTPUT("HFL"),
621 SND_SOC_DAPM_OUTPUT("HFR"),
622 SND_SOC_DAPM_OUTPUT("EP"),
623 SND_SOC_DAPM_OUTPUT("AUXL"),
624 SND_SOC_DAPM_OUTPUT("AUXR"),
625 SND_SOC_DAPM_OUTPUT("VIBRAL"),
626 SND_SOC_DAPM_OUTPUT("VIBRAR"),
627
628 /* Analog input muxes for the capture amplifiers */
629 SND_SOC_DAPM_MUX("Analog Left Capture Route",
630 SND_SOC_NOPM, 0, 0, &amicl_control),
631 SND_SOC_DAPM_MUX("Analog Right Capture Route",
632 SND_SOC_NOPM, 0, 0, &amicr_control),
633
634 /* Analog capture PGAs */
635 SND_SOC_DAPM_PGA("MicAmpL",
636 TWL6040_REG_MICLCTL, 0, 0, NULL, 0),
637 SND_SOC_DAPM_PGA("MicAmpR",
638 TWL6040_REG_MICRCTL, 0, 0, NULL, 0),
639
640 /* Auxiliary FM PGAs */
641 SND_SOC_DAPM_PGA("AFMAmpL",
642 TWL6040_REG_MICLCTL, 1, 0, NULL, 0),
643 SND_SOC_DAPM_PGA("AFMAmpR",
644 TWL6040_REG_MICRCTL, 1, 0, NULL, 0),
645
646 /* ADCs */
647 SND_SOC_DAPM_ADC("ADC Left", NULL, TWL6040_REG_MICLCTL, 2, 0),
648 SND_SOC_DAPM_ADC("ADC Right", NULL, TWL6040_REG_MICRCTL, 2, 0),
649
650 /* Microphone bias */
651 SND_SOC_DAPM_SUPPLY("Headset Mic Bias",
652 TWL6040_REG_AMICBCTL, 0, 0, NULL, 0),
653 SND_SOC_DAPM_SUPPLY("Main Mic Bias",
654 TWL6040_REG_AMICBCTL, 4, 0, NULL, 0),
655 SND_SOC_DAPM_SUPPLY("Digital Mic1 Bias",
656 TWL6040_REG_DMICBCTL, 0, 0, NULL, 0),
657 SND_SOC_DAPM_SUPPLY("Digital Mic2 Bias",
658 TWL6040_REG_DMICBCTL, 4, 0, NULL, 0),
659
660 /* DACs */
661 SND_SOC_DAPM_DAC("HSDAC Left", NULL, SND_SOC_NOPM, 0, 0),
662 SND_SOC_DAPM_DAC("HSDAC Right", NULL, SND_SOC_NOPM, 0, 0),
663 SND_SOC_DAPM_DAC("HFDAC Left", NULL, TWL6040_REG_HFLCTL, 0, 0),
664 SND_SOC_DAPM_DAC("HFDAC Right", NULL, TWL6040_REG_HFRCTL, 0, 0),
665 /* Virtual DAC for vibra path (DL4 channel) */
666 SND_SOC_DAPM_DAC("VIBRA DAC", NULL, SND_SOC_NOPM, 0, 0),
667
668 SND_SOC_DAPM_MUX("Handsfree Left Playback",
669 SND_SOC_NOPM, 0, 0, &hfl_mux_controls),
670 SND_SOC_DAPM_MUX("Handsfree Right Playback",
671 SND_SOC_NOPM, 0, 0, &hfr_mux_controls),
672 /* Analog playback Muxes */
673 SND_SOC_DAPM_MUX("Headset Left Playback",
674 SND_SOC_NOPM, 0, 0, &hsl_mux_controls),
675 SND_SOC_DAPM_MUX("Headset Right Playback",
676 SND_SOC_NOPM, 0, 0, &hsr_mux_controls),
677
678 SND_SOC_DAPM_MUX("Vibra Left Playback", SND_SOC_NOPM, 0, 0,
679 &vibral_mux_controls),
680 SND_SOC_DAPM_MUX("Vibra Right Playback", SND_SOC_NOPM, 0, 0,
681 &vibrar_mux_controls),
682
683 SND_SOC_DAPM_SWITCH("Earphone Playback", SND_SOC_NOPM, 0, 0,
684 &ep_path_enable_control),
685 SND_SOC_DAPM_SWITCH("AUXL Playback", SND_SOC_NOPM, 0, 0,
686 &auxl_switch_control),
687 SND_SOC_DAPM_SWITCH("AUXR Playback", SND_SOC_NOPM, 0, 0,
688 &auxr_switch_control),
689
690 /* Analog playback drivers */
691 SND_SOC_DAPM_OUT_DRV("HF Left Driver",
692 TWL6040_REG_HFLCTL, 4, 0, NULL, 0),
693 SND_SOC_DAPM_OUT_DRV("HF Right Driver",
694 TWL6040_REG_HFRCTL, 4, 0, NULL, 0),
695 SND_SOC_DAPM_OUT_DRV("HS Left Driver",
696 TWL6040_REG_HSLCTL, 2, 0, NULL, 0),
697 SND_SOC_DAPM_OUT_DRV("HS Right Driver",
698 TWL6040_REG_HSRCTL, 2, 0, NULL, 0),
699 SND_SOC_DAPM_OUT_DRV_E("Earphone Driver",
700 TWL6040_REG_EARCTL, 0, 0, NULL, 0,
701 twl6040_ep_drv_event,
702 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
703 SND_SOC_DAPM_OUT_DRV("Vibra Left Driver",
704 TWL6040_REG_VIBCTLL, 0, 0, NULL, 0),
705 SND_SOC_DAPM_OUT_DRV("Vibra Right Driver",
706 TWL6040_REG_VIBCTLR, 0, 0, NULL, 0),
707
708 SND_SOC_DAPM_SUPPLY("Vibra Left Control", TWL6040_REG_VIBCTLL, 2, 0,
709 NULL, 0),
710 SND_SOC_DAPM_SUPPLY("Vibra Right Control", TWL6040_REG_VIBCTLR, 2, 0,
711 NULL, 0),
712 SND_SOC_DAPM_SUPPLY_S("HSDAC Power", 1, SND_SOC_NOPM, 0, 0,
713 twl6040_hs_dac_event,
714 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
715
716 /* Analog playback PGAs */
717 SND_SOC_DAPM_PGA("HF Left PGA",
718 TWL6040_REG_HFLCTL, 1, 0, NULL, 0),
719 SND_SOC_DAPM_PGA("HF Right PGA",
720 TWL6040_REG_HFRCTL, 1, 0, NULL, 0),
721
722 };
723
724 static const struct snd_soc_dapm_route intercon[] = {
725 /* Stream -> DAC mapping */
726 {"HSDAC Left", NULL, "Legacy Playback"},
727 {"HSDAC Left", NULL, "Headset Playback"},
728 {"HSDAC Right", NULL, "Legacy Playback"},
729 {"HSDAC Right", NULL, "Headset Playback"},
730
731 {"HFDAC Left", NULL, "Legacy Playback"},
732 {"HFDAC Left", NULL, "Handsfree Playback"},
733 {"HFDAC Right", NULL, "Legacy Playback"},
734 {"HFDAC Right", NULL, "Handsfree Playback"},
735
736 {"VIBRA DAC", NULL, "Legacy Playback"},
737 {"VIBRA DAC", NULL, "Vibra Playback"},
738
739 /* ADC -> Stream mapping */
740 {"Legacy Capture" , NULL, "ADC Left"},
741 {"Capture", NULL, "ADC Left"},
742 {"Legacy Capture", NULL, "ADC Right"},
743 {"Capture" , NULL, "ADC Right"},
744
745 /* Capture path */
746 {"Analog Left Capture Route", "Headset Mic", "HSMIC"},
747 {"Analog Left Capture Route", "Main Mic", "MAINMIC"},
748 {"Analog Left Capture Route", "Aux/FM Left", "AFML"},
749
750 {"Analog Right Capture Route", "Headset Mic", "HSMIC"},
751 {"Analog Right Capture Route", "Sub Mic", "SUBMIC"},
752 {"Analog Right Capture Route", "Aux/FM Right", "AFMR"},
753
754 {"MicAmpL", NULL, "Analog Left Capture Route"},
755 {"MicAmpR", NULL, "Analog Right Capture Route"},
756
757 {"ADC Left", NULL, "MicAmpL"},
758 {"ADC Right", NULL, "MicAmpR"},
759
760 /* AFM path */
761 {"AFMAmpL", NULL, "AFML"},
762 {"AFMAmpR", NULL, "AFMR"},
763
764 {"HSDAC Left", NULL, "HSDAC Power"},
765 {"HSDAC Right", NULL, "HSDAC Power"},
766
767 {"Headset Left Playback", "HS DAC", "HSDAC Left"},
768 {"Headset Left Playback", "Line-In amp", "AFMAmpL"},
769
770 {"Headset Right Playback", "HS DAC", "HSDAC Right"},
771 {"Headset Right Playback", "Line-In amp", "AFMAmpR"},
772
773 {"HS Left Driver", NULL, "Headset Left Playback"},
774 {"HS Right Driver", NULL, "Headset Right Playback"},
775
776 {"HSOL", NULL, "HS Left Driver"},
777 {"HSOR", NULL, "HS Right Driver"},
778
779 /* Earphone playback path */
780 {"Earphone Playback", "Switch", "HSDAC Left"},
781 {"Earphone Driver", NULL, "Earphone Playback"},
782 {"EP", NULL, "Earphone Driver"},
783
784 {"Handsfree Left Playback", "HF DAC", "HFDAC Left"},
785 {"Handsfree Left Playback", "Line-In amp", "AFMAmpL"},
786
787 {"Handsfree Right Playback", "HF DAC", "HFDAC Right"},
788 {"Handsfree Right Playback", "Line-In amp", "AFMAmpR"},
789
790 {"HF Left PGA", NULL, "Handsfree Left Playback"},
791 {"HF Right PGA", NULL, "Handsfree Right Playback"},
792
793 {"HF Left Driver", NULL, "HF Left PGA"},
794 {"HF Right Driver", NULL, "HF Right PGA"},
795
796 {"HFL", NULL, "HF Left Driver"},
797 {"HFR", NULL, "HF Right Driver"},
798
799 {"AUXL Playback", "Switch", "HF Left PGA"},
800 {"AUXR Playback", "Switch", "HF Right PGA"},
801
802 {"AUXL", NULL, "AUXL Playback"},
803 {"AUXR", NULL, "AUXR Playback"},
804
805 /* Vibrator paths */
806 {"Vibra Left Playback", "Audio PDM", "VIBRA DAC"},
807 {"Vibra Right Playback", "Audio PDM", "VIBRA DAC"},
808
809 {"Vibra Left Driver", NULL, "Vibra Left Playback"},
810 {"Vibra Right Driver", NULL, "Vibra Right Playback"},
811 {"Vibra Left Driver", NULL, "Vibra Left Control"},
812 {"Vibra Right Driver", NULL, "Vibra Right Control"},
813
814 {"VIBRAL", NULL, "Vibra Left Driver"},
815 {"VIBRAR", NULL, "Vibra Right Driver"},
816 };
817
818 static int twl6040_set_bias_level(struct snd_soc_component *component,
819 enum snd_soc_bias_level level)
820 {
821 struct twl6040 *twl6040 = to_twl6040(component);
822 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
823 int ret = 0;
824
825 switch (level) {
826 case SND_SOC_BIAS_ON:
827 break;
828 case SND_SOC_BIAS_PREPARE:
829 break;
830 case SND_SOC_BIAS_STANDBY:
831 if (priv->codec_powered) {
832 /* Select low power PLL in standby */
833 ret = twl6040_set_pll(twl6040, TWL6040_SYSCLK_SEL_LPPLL,
834 32768, 19200000);
835 break;
836 }
837
838 ret = twl6040_power(twl6040, 1);
839 if (ret)
840 break;
841
842 priv->codec_powered = 1;
843
844 /* Set external boost GPO */
845 twl6040_write(component, TWL6040_REG_GPOCTL, 0x02);
846 break;
847 case SND_SOC_BIAS_OFF:
848 if (!priv->codec_powered)
849 break;
850
851 twl6040_power(twl6040, 0);
852 priv->codec_powered = 0;
853 break;
854 }
855
856 return ret;
857 }
858
859 static int twl6040_startup(struct snd_pcm_substream *substream,
860 struct snd_soc_dai *dai)
861 {
862 struct snd_soc_component *component = dai->component;
863 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
864
865 snd_pcm_hw_constraint_list(substream->runtime, 0,
866 SNDRV_PCM_HW_PARAM_RATE,
867 &sysclk_constraints[priv->pll_power_mode]);
868
869 return 0;
870 }
871
872 static int twl6040_hw_params(struct snd_pcm_substream *substream,
873 struct snd_pcm_hw_params *params,
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 int rate;
879
880 rate = params_rate(params);
881 switch (rate) {
882 case 11250:
883 case 22500:
884 case 44100:
885 case 88200:
886 /* These rates are not supported when HPPLL is in use */
887 if (unlikely(priv->pll == TWL6040_SYSCLK_SEL_HPPLL)) {
888 dev_err(component->dev, "HPPLL does not support rate %d\n",
889 rate);
890 return -EINVAL;
891 }
892 priv->sysclk = 17640000;
893 break;
894 case 8000:
895 case 16000:
896 case 32000:
897 case 48000:
898 case 96000:
899 priv->sysclk = 19200000;
900 break;
901 default:
902 dev_err(component->dev, "unsupported rate %d\n", rate);
903 return -EINVAL;
904 }
905
906 return 0;
907 }
908
909 static int twl6040_prepare(struct snd_pcm_substream *substream,
910 struct snd_soc_dai *dai)
911 {
912 struct snd_soc_component *component = dai->component;
913 struct twl6040 *twl6040 = to_twl6040(component);
914 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
915 int ret;
916
917 if (!priv->sysclk) {
918 dev_err(component->dev,
919 "no mclk configured, call set_sysclk() on init\n");
920 return -EINVAL;
921 }
922
923 ret = twl6040_set_pll(twl6040, priv->pll, priv->clk_in, priv->sysclk);
924 if (ret) {
925 dev_err(component->dev, "Can not set PLL (%d)\n", ret);
926 return -EPERM;
927 }
928
929 return 0;
930 }
931
932 static int twl6040_set_dai_sysclk(struct snd_soc_dai *codec_dai,
933 int clk_id, unsigned int freq, int dir)
934 {
935 struct snd_soc_component *component = codec_dai->component;
936 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
937
938 switch (clk_id) {
939 case TWL6040_SYSCLK_SEL_LPPLL:
940 case TWL6040_SYSCLK_SEL_HPPLL:
941 priv->pll = clk_id;
942 priv->clk_in = freq;
943 break;
944 default:
945 dev_err(component->dev, "unknown clk_id %d\n", clk_id);
946 return -EINVAL;
947 }
948
949 return 0;
950 }
951
952 static void twl6040_mute_path(struct snd_soc_component *component, enum twl6040_dai_id id,
953 int mute)
954 {
955 struct twl6040 *twl6040 = to_twl6040(component);
956 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
957 int hslctl, hsrctl, earctl;
958 int hflctl, hfrctl;
959
960 switch (id) {
961 case TWL6040_DAI_DL1:
962 hslctl = twl6040_read(component, TWL6040_REG_HSLCTL);
963 hsrctl = twl6040_read(component, TWL6040_REG_HSRCTL);
964 earctl = twl6040_read(component, TWL6040_REG_EARCTL);
965
966 if (mute) {
967 /* Power down drivers and DACs */
968 earctl &= ~0x01;
969 hslctl &= ~(TWL6040_HSDRVENA | TWL6040_HSDACENA);
970 hsrctl &= ~(TWL6040_HSDRVENA | TWL6040_HSDACENA);
971
972 }
973
974 twl6040_reg_write(twl6040, TWL6040_REG_EARCTL, earctl);
975 twl6040_reg_write(twl6040, TWL6040_REG_HSLCTL, hslctl);
976 twl6040_reg_write(twl6040, TWL6040_REG_HSRCTL, hsrctl);
977 priv->dl1_unmuted = !mute;
978 break;
979 case TWL6040_DAI_DL2:
980 hflctl = twl6040_read(component, TWL6040_REG_HFLCTL);
981 hfrctl = twl6040_read(component, TWL6040_REG_HFRCTL);
982
983 if (mute) {
984 /* Power down drivers and DACs */
985 hflctl &= ~(TWL6040_HFDACENA | TWL6040_HFPGAENA |
986 TWL6040_HFDRVENA | TWL6040_HFSWENA);
987 hfrctl &= ~(TWL6040_HFDACENA | TWL6040_HFPGAENA |
988 TWL6040_HFDRVENA | TWL6040_HFSWENA);
989 }
990
991 twl6040_reg_write(twl6040, TWL6040_REG_HFLCTL, hflctl);
992 twl6040_reg_write(twl6040, TWL6040_REG_HFRCTL, hfrctl);
993 priv->dl2_unmuted = !mute;
994 break;
995 default:
996 break;
997 }
998 }
999
1000 static int twl6040_mute_stream(struct snd_soc_dai *dai, int mute, int direction)
1001 {
1002 switch (dai->id) {
1003 case TWL6040_DAI_LEGACY:
1004 twl6040_mute_path(dai->component, TWL6040_DAI_DL1, mute);
1005 twl6040_mute_path(dai->component, TWL6040_DAI_DL2, mute);
1006 break;
1007 case TWL6040_DAI_DL1:
1008 case TWL6040_DAI_DL2:
1009 twl6040_mute_path(dai->component, dai->id, mute);
1010 break;
1011 default:
1012 break;
1013 }
1014
1015 return 0;
1016 }
1017
1018 static const struct snd_soc_dai_ops twl6040_dai_ops = {
1019 .startup = twl6040_startup,
1020 .hw_params = twl6040_hw_params,
1021 .prepare = twl6040_prepare,
1022 .set_sysclk = twl6040_set_dai_sysclk,
1023 .mute_stream = twl6040_mute_stream,
1024 .no_capture_mute = 1,
1025 };
1026
1027 static struct snd_soc_dai_driver twl6040_dai[] = {
1028 {
1029 .name = "twl6040-legacy",
1030 .id = TWL6040_DAI_LEGACY,
1031 .playback = {
1032 .stream_name = "Legacy Playback",
1033 .channels_min = 1,
1034 .channels_max = 5,
1035 .rates = TWL6040_RATES,
1036 .formats = TWL6040_FORMATS,
1037 },
1038 .capture = {
1039 .stream_name = "Legacy Capture",
1040 .channels_min = 1,
1041 .channels_max = 2,
1042 .rates = TWL6040_RATES,
1043 .formats = TWL6040_FORMATS,
1044 },
1045 .ops = &twl6040_dai_ops,
1046 },
1047 {
1048 .name = "twl6040-ul",
1049 .id = TWL6040_DAI_UL,
1050 .capture = {
1051 .stream_name = "Capture",
1052 .channels_min = 1,
1053 .channels_max = 2,
1054 .rates = TWL6040_RATES,
1055 .formats = TWL6040_FORMATS,
1056 },
1057 .ops = &twl6040_dai_ops,
1058 },
1059 {
1060 .name = "twl6040-dl1",
1061 .id = TWL6040_DAI_DL1,
1062 .playback = {
1063 .stream_name = "Headset Playback",
1064 .channels_min = 1,
1065 .channels_max = 2,
1066 .rates = TWL6040_RATES,
1067 .formats = TWL6040_FORMATS,
1068 },
1069 .ops = &twl6040_dai_ops,
1070 },
1071 {
1072 .name = "twl6040-dl2",
1073 .id = TWL6040_DAI_DL2,
1074 .playback = {
1075 .stream_name = "Handsfree Playback",
1076 .channels_min = 1,
1077 .channels_max = 2,
1078 .rates = TWL6040_RATES,
1079 .formats = TWL6040_FORMATS,
1080 },
1081 .ops = &twl6040_dai_ops,
1082 },
1083 {
1084 .name = "twl6040-vib",
1085 .id = TWL6040_DAI_VIB,
1086 .playback = {
1087 .stream_name = "Vibra Playback",
1088 .channels_min = 1,
1089 .channels_max = 1,
1090 .rates = SNDRV_PCM_RATE_CONTINUOUS,
1091 .formats = TWL6040_FORMATS,
1092 },
1093 .ops = &twl6040_dai_ops,
1094 },
1095 };
1096
1097 static int twl6040_probe(struct snd_soc_component *component)
1098 {
1099 struct twl6040_data *priv;
1100 struct platform_device *pdev = to_platform_device(component->dev);
1101 int ret = 0;
1102
1103 priv = devm_kzalloc(component->dev, sizeof(*priv), GFP_KERNEL);
1104 if (priv == NULL)
1105 return -ENOMEM;
1106
1107 snd_soc_component_set_drvdata(component, priv);
1108
1109 priv->component = component;
1110
1111 priv->plug_irq = platform_get_irq(pdev, 0);
1112 if (priv->plug_irq < 0)
1113 return priv->plug_irq;
1114
1115 INIT_DELAYED_WORK(&priv->hs_jack.work, twl6040_accessory_work);
1116
1117 mutex_init(&priv->mutex);
1118
1119 ret = request_threaded_irq(priv->plug_irq, NULL,
1120 twl6040_audio_handler,
1121 IRQF_NO_SUSPEND | IRQF_ONESHOT,
1122 "twl6040_irq_plug", component);
1123 if (ret) {
1124 dev_err(component->dev, "PLUG IRQ request failed: %d\n", ret);
1125 return ret;
1126 }
1127
1128 snd_soc_component_force_bias_level(component, SND_SOC_BIAS_STANDBY);
1129 twl6040_init_chip(component);
1130
1131 return 0;
1132 }
1133
1134 static void twl6040_remove(struct snd_soc_component *component)
1135 {
1136 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
1137
1138 free_irq(priv->plug_irq, component);
1139 }
1140
1141 static const struct snd_soc_component_driver soc_component_dev_twl6040 = {
1142 .probe = twl6040_probe,
1143 .remove = twl6040_remove,
1144 .read = twl6040_read,
1145 .write = twl6040_write,
1146 .set_bias_level = twl6040_set_bias_level,
1147 .controls = twl6040_snd_controls,
1148 .num_controls = ARRAY_SIZE(twl6040_snd_controls),
1149 .dapm_widgets = twl6040_dapm_widgets,
1150 .num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets),
1151 .dapm_routes = intercon,
1152 .num_dapm_routes = ARRAY_SIZE(intercon),
1153 .suspend_bias_off = 1,
1154 .idle_bias_on = 1,
1155 .endianness = 1,
1156 };
1157
1158 static int twl6040_codec_probe(struct platform_device *pdev)
1159 {
1160 return devm_snd_soc_register_component(&pdev->dev,
1161 &soc_component_dev_twl6040,
1162 twl6040_dai, ARRAY_SIZE(twl6040_dai));
1163 }
1164
1165 static struct platform_driver twl6040_codec_driver = {
1166 .driver = {
1167 .name = "twl6040-codec",
1168 },
1169 .probe = twl6040_codec_probe,
1170 };
1171
1172 module_platform_driver(twl6040_codec_driver);
1173
1174 MODULE_DESCRIPTION("ASoC TWL6040 codec driver");
1175 MODULE_AUTHOR("Misael Lopez Cruz");
1176 MODULE_LICENSE("GPL");
1177
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