2 * ALSA SoC TWL4030 codec driver
4 * Author: Steve Sakoman, <steve@sakoman.com>
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.
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.
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
22 #include <linux/module.h>
23 #include <linux/moduleparam.h>
24 #include <linux/init.h>
25 #include <linux/delay.h>
27 #include <linux/i2c.h>
28 #include <linux/platform_device.h>
30 #include <linux/of_gpio.h>
31 #include <linux/i2c/twl.h>
32 #include <linux/slab.h>
33 #include <linux/gpio.h>
34 #include <sound/core.h>
35 #include <sound/pcm.h>
36 #include <sound/pcm_params.h>
37 #include <sound/soc.h>
38 #include <sound/initval.h>
39 #include <sound/tlv.h>
41 /* Register descriptions are here */
42 #include <linux/mfd/twl4030-audio.h>
44 /* TWL4030 PMBR1 Register */
45 #define TWL4030_PMBR1_REG 0x0D
46 /* TWL4030 PMBR1 Register GPIO6 mux bits */
47 #define TWL4030_GPIO6_PWM0_MUTE(value) ((value & 0x03) << 2)
49 #define TWL4030_CACHEREGNUM (TWL4030_REG_MISC_SET_2 + 1)
51 /* codec private data */
53 unsigned int codec_powered;
55 /* reference counts of AIF/APLL users */
56 unsigned int apll_enabled;
58 struct snd_pcm_substream *master_substream;
59 struct snd_pcm_substream *slave_substream;
61 unsigned int configured;
63 unsigned int sample_bits;
64 unsigned int channels;
68 /* Output (with associated amp) states */
69 u8 hsl_enabled, hsr_enabled;
71 u8 predrivel_enabled, predriver_enabled;
72 u8 carkitl_enabled, carkitr_enabled;
73 u8 ctl_cache[TWL4030_REG_PRECKR_CTL - TWL4030_REG_EAR_CTL + 1];
75 struct twl4030_codec_data *pdata;
78 static void tw4030_init_ctl_cache(struct twl4030_priv *twl4030)
83 for (i = TWL4030_REG_EAR_CTL; i <= TWL4030_REG_PRECKR_CTL; i++) {
84 twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &byte, i);
85 twl4030->ctl_cache[i - TWL4030_REG_EAR_CTL] = byte;
89 static unsigned int twl4030_read(struct snd_soc_codec *codec, unsigned int reg)
91 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
94 if (reg >= TWL4030_CACHEREGNUM)
98 case TWL4030_REG_EAR_CTL:
99 case TWL4030_REG_PREDL_CTL:
100 case TWL4030_REG_PREDR_CTL:
101 case TWL4030_REG_PRECKL_CTL:
102 case TWL4030_REG_PRECKR_CTL:
103 case TWL4030_REG_HS_GAIN_SET:
104 value = twl4030->ctl_cache[reg - TWL4030_REG_EAR_CTL];
107 twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &value, reg);
114 static bool twl4030_can_write_to_chip(struct twl4030_priv *twl4030,
117 bool write_to_reg = false;
119 /* Decide if the given register can be written */
121 case TWL4030_REG_EAR_CTL:
122 if (twl4030->earpiece_enabled)
125 case TWL4030_REG_PREDL_CTL:
126 if (twl4030->predrivel_enabled)
129 case TWL4030_REG_PREDR_CTL:
130 if (twl4030->predriver_enabled)
133 case TWL4030_REG_PRECKL_CTL:
134 if (twl4030->carkitl_enabled)
137 case TWL4030_REG_PRECKR_CTL:
138 if (twl4030->carkitr_enabled)
141 case TWL4030_REG_HS_GAIN_SET:
142 if (twl4030->hsl_enabled || twl4030->hsr_enabled)
146 /* All other register can be written */
154 static int twl4030_write(struct snd_soc_codec *codec, unsigned int reg,
157 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
159 /* Update the ctl cache */
161 case TWL4030_REG_EAR_CTL:
162 case TWL4030_REG_PREDL_CTL:
163 case TWL4030_REG_PREDR_CTL:
164 case TWL4030_REG_PRECKL_CTL:
165 case TWL4030_REG_PRECKR_CTL:
166 case TWL4030_REG_HS_GAIN_SET:
167 twl4030->ctl_cache[reg - TWL4030_REG_EAR_CTL] = value;
173 if (twl4030_can_write_to_chip(twl4030, reg))
174 return twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, value, reg);
179 static inline void twl4030_wait_ms(int time)
183 usleep_range(time, time + 500);
189 static void twl4030_codec_enable(struct snd_soc_codec *codec, int enable)
191 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
194 if (enable == twl4030->codec_powered)
198 mode = twl4030_audio_enable_resource(TWL4030_AUDIO_RES_POWER);
200 mode = twl4030_audio_disable_resource(TWL4030_AUDIO_RES_POWER);
203 twl4030->codec_powered = enable;
205 /* REVISIT: this delay is present in TI sample drivers */
206 /* but there seems to be no TRM requirement for it */
210 static void twl4030_setup_pdata_of(struct twl4030_codec_data *pdata,
211 struct device_node *node)
215 of_property_read_u32(node, "ti,digimic_delay",
216 &pdata->digimic_delay);
217 of_property_read_u32(node, "ti,ramp_delay_value",
218 &pdata->ramp_delay_value);
219 of_property_read_u32(node, "ti,offset_cncl_path",
220 &pdata->offset_cncl_path);
221 if (!of_property_read_u32(node, "ti,hs_extmute", &value))
222 pdata->hs_extmute = value;
224 pdata->hs_extmute_gpio = of_get_named_gpio(node,
225 "ti,hs_extmute_gpio", 0);
226 if (gpio_is_valid(pdata->hs_extmute_gpio))
227 pdata->hs_extmute = 1;
230 static struct twl4030_codec_data *twl4030_get_pdata(struct snd_soc_codec *codec)
232 struct twl4030_codec_data *pdata = dev_get_platdata(codec->dev);
233 struct device_node *twl4030_codec_node = NULL;
235 twl4030_codec_node = of_find_node_by_name(codec->dev->parent->of_node,
238 if (!pdata && twl4030_codec_node) {
239 pdata = devm_kzalloc(codec->dev,
240 sizeof(struct twl4030_codec_data),
243 dev_err(codec->dev, "Can not allocate memory\n");
246 twl4030_setup_pdata_of(pdata, twl4030_codec_node);
252 static void twl4030_init_chip(struct snd_soc_codec *codec)
254 struct twl4030_codec_data *pdata;
255 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
259 pdata = twl4030_get_pdata(codec);
261 if (pdata && pdata->hs_extmute) {
262 if (gpio_is_valid(pdata->hs_extmute_gpio)) {
265 if (!pdata->hs_extmute_gpio)
267 "Extmute GPIO is 0 is this correct?\n");
269 ret = gpio_request_one(pdata->hs_extmute_gpio,
274 "Failed to get hs_extmute GPIO\n");
275 pdata->hs_extmute_gpio = -1;
280 /* Set TWL4030 GPIO6 as EXTMUTE signal */
281 twl_i2c_read_u8(TWL4030_MODULE_INTBR, &pin_mux,
283 pin_mux &= ~TWL4030_GPIO6_PWM0_MUTE(0x03);
284 pin_mux |= TWL4030_GPIO6_PWM0_MUTE(0x02);
285 twl_i2c_write_u8(TWL4030_MODULE_INTBR, pin_mux,
290 /* Initialize the local ctl register cache */
291 tw4030_init_ctl_cache(twl4030);
293 /* anti-pop when changing analog gain */
294 reg = twl4030_read(codec, TWL4030_REG_MISC_SET_1);
295 twl4030_write(codec, TWL4030_REG_MISC_SET_1,
296 reg | TWL4030_SMOOTH_ANAVOL_EN);
298 twl4030_write(codec, TWL4030_REG_OPTION,
299 TWL4030_ATXL1_EN | TWL4030_ATXR1_EN |
300 TWL4030_ARXL2_EN | TWL4030_ARXR2_EN);
302 /* REG_ARXR2_APGA_CTL reset according to the TRM: 0dB, DA_EN */
303 twl4030_write(codec, TWL4030_REG_ARXR2_APGA_CTL, 0x32);
305 /* Machine dependent setup */
309 twl4030->pdata = pdata;
311 reg = twl4030_read(codec, TWL4030_REG_HS_POPN_SET);
312 reg &= ~TWL4030_RAMP_DELAY;
313 reg |= (pdata->ramp_delay_value << 2);
314 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, reg);
316 /* initiate offset cancellation */
317 twl4030_codec_enable(codec, 1);
319 reg = twl4030_read(codec, TWL4030_REG_ANAMICL);
320 reg &= ~TWL4030_OFFSET_CNCL_SEL;
321 reg |= pdata->offset_cncl_path;
322 twl4030_write(codec, TWL4030_REG_ANAMICL,
323 reg | TWL4030_CNCL_OFFSET_START);
326 * Wait for offset cancellation to complete.
327 * Since this takes a while, do not slam the i2c.
328 * Start polling the status after ~20ms.
332 usleep_range(1000, 2000);
333 twl_set_regcache_bypass(TWL4030_MODULE_AUDIO_VOICE, true);
334 twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &byte,
335 TWL4030_REG_ANAMICL);
336 twl_set_regcache_bypass(TWL4030_MODULE_AUDIO_VOICE, false);
337 } while ((i++ < 100) &&
338 ((byte & TWL4030_CNCL_OFFSET_START) ==
339 TWL4030_CNCL_OFFSET_START));
341 twl4030_codec_enable(codec, 0);
344 static void twl4030_apll_enable(struct snd_soc_codec *codec, int enable)
346 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
349 twl4030->apll_enabled++;
350 if (twl4030->apll_enabled == 1)
351 twl4030_audio_enable_resource(
352 TWL4030_AUDIO_RES_APLL);
354 twl4030->apll_enabled--;
355 if (!twl4030->apll_enabled)
356 twl4030_audio_disable_resource(
357 TWL4030_AUDIO_RES_APLL);
362 static const struct snd_kcontrol_new twl4030_dapm_earpiece_controls[] = {
363 SOC_DAPM_SINGLE("Voice", TWL4030_REG_EAR_CTL, 0, 1, 0),
364 SOC_DAPM_SINGLE("AudioL1", TWL4030_REG_EAR_CTL, 1, 1, 0),
365 SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_EAR_CTL, 2, 1, 0),
366 SOC_DAPM_SINGLE("AudioR1", TWL4030_REG_EAR_CTL, 3, 1, 0),
370 static const struct snd_kcontrol_new twl4030_dapm_predrivel_controls[] = {
371 SOC_DAPM_SINGLE("Voice", TWL4030_REG_PREDL_CTL, 0, 1, 0),
372 SOC_DAPM_SINGLE("AudioL1", TWL4030_REG_PREDL_CTL, 1, 1, 0),
373 SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_PREDL_CTL, 2, 1, 0),
374 SOC_DAPM_SINGLE("AudioR2", TWL4030_REG_PREDL_CTL, 3, 1, 0),
378 static const struct snd_kcontrol_new twl4030_dapm_predriver_controls[] = {
379 SOC_DAPM_SINGLE("Voice", TWL4030_REG_PREDR_CTL, 0, 1, 0),
380 SOC_DAPM_SINGLE("AudioR1", TWL4030_REG_PREDR_CTL, 1, 1, 0),
381 SOC_DAPM_SINGLE("AudioR2", TWL4030_REG_PREDR_CTL, 2, 1, 0),
382 SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_PREDR_CTL, 3, 1, 0),
386 static const struct snd_kcontrol_new twl4030_dapm_hsol_controls[] = {
387 SOC_DAPM_SINGLE("Voice", TWL4030_REG_HS_SEL, 0, 1, 0),
388 SOC_DAPM_SINGLE("AudioL1", TWL4030_REG_HS_SEL, 1, 1, 0),
389 SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_HS_SEL, 2, 1, 0),
393 static const struct snd_kcontrol_new twl4030_dapm_hsor_controls[] = {
394 SOC_DAPM_SINGLE("Voice", TWL4030_REG_HS_SEL, 3, 1, 0),
395 SOC_DAPM_SINGLE("AudioR1", TWL4030_REG_HS_SEL, 4, 1, 0),
396 SOC_DAPM_SINGLE("AudioR2", TWL4030_REG_HS_SEL, 5, 1, 0),
400 static const struct snd_kcontrol_new twl4030_dapm_carkitl_controls[] = {
401 SOC_DAPM_SINGLE("Voice", TWL4030_REG_PRECKL_CTL, 0, 1, 0),
402 SOC_DAPM_SINGLE("AudioL1", TWL4030_REG_PRECKL_CTL, 1, 1, 0),
403 SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_PRECKL_CTL, 2, 1, 0),
407 static const struct snd_kcontrol_new twl4030_dapm_carkitr_controls[] = {
408 SOC_DAPM_SINGLE("Voice", TWL4030_REG_PRECKR_CTL, 0, 1, 0),
409 SOC_DAPM_SINGLE("AudioR1", TWL4030_REG_PRECKR_CTL, 1, 1, 0),
410 SOC_DAPM_SINGLE("AudioR2", TWL4030_REG_PRECKR_CTL, 2, 1, 0),
414 static const char *twl4030_handsfreel_texts[] =
415 {"Voice", "AudioL1", "AudioL2", "AudioR2"};
417 static SOC_ENUM_SINGLE_DECL(twl4030_handsfreel_enum,
418 TWL4030_REG_HFL_CTL, 0,
419 twl4030_handsfreel_texts);
421 static const struct snd_kcontrol_new twl4030_dapm_handsfreel_control =
422 SOC_DAPM_ENUM("Route", twl4030_handsfreel_enum);
424 /* Handsfree Left virtual mute */
425 static const struct snd_kcontrol_new twl4030_dapm_handsfreelmute_control =
426 SOC_DAPM_SINGLE_VIRT("Switch", 1);
428 /* Handsfree Right */
429 static const char *twl4030_handsfreer_texts[] =
430 {"Voice", "AudioR1", "AudioR2", "AudioL2"};
432 static SOC_ENUM_SINGLE_DECL(twl4030_handsfreer_enum,
433 TWL4030_REG_HFR_CTL, 0,
434 twl4030_handsfreer_texts);
436 static const struct snd_kcontrol_new twl4030_dapm_handsfreer_control =
437 SOC_DAPM_ENUM("Route", twl4030_handsfreer_enum);
439 /* Handsfree Right virtual mute */
440 static const struct snd_kcontrol_new twl4030_dapm_handsfreermute_control =
441 SOC_DAPM_SINGLE_VIRT("Switch", 1);
444 /* Vibra audio path selection */
445 static const char *twl4030_vibra_texts[] =
446 {"AudioL1", "AudioR1", "AudioL2", "AudioR2"};
448 static SOC_ENUM_SINGLE_DECL(twl4030_vibra_enum,
449 TWL4030_REG_VIBRA_CTL, 2,
450 twl4030_vibra_texts);
452 static const struct snd_kcontrol_new twl4030_dapm_vibra_control =
453 SOC_DAPM_ENUM("Route", twl4030_vibra_enum);
455 /* Vibra path selection: local vibrator (PWM) or audio driven */
456 static const char *twl4030_vibrapath_texts[] =
457 {"Local vibrator", "Audio"};
459 static SOC_ENUM_SINGLE_DECL(twl4030_vibrapath_enum,
460 TWL4030_REG_VIBRA_CTL, 4,
461 twl4030_vibrapath_texts);
463 static const struct snd_kcontrol_new twl4030_dapm_vibrapath_control =
464 SOC_DAPM_ENUM("Route", twl4030_vibrapath_enum);
466 /* Left analog microphone selection */
467 static const struct snd_kcontrol_new twl4030_dapm_analoglmic_controls[] = {
468 SOC_DAPM_SINGLE("Main Mic Capture Switch",
469 TWL4030_REG_ANAMICL, 0, 1, 0),
470 SOC_DAPM_SINGLE("Headset Mic Capture Switch",
471 TWL4030_REG_ANAMICL, 1, 1, 0),
472 SOC_DAPM_SINGLE("AUXL Capture Switch",
473 TWL4030_REG_ANAMICL, 2, 1, 0),
474 SOC_DAPM_SINGLE("Carkit Mic Capture Switch",
475 TWL4030_REG_ANAMICL, 3, 1, 0),
478 /* Right analog microphone selection */
479 static const struct snd_kcontrol_new twl4030_dapm_analogrmic_controls[] = {
480 SOC_DAPM_SINGLE("Sub Mic Capture Switch", TWL4030_REG_ANAMICR, 0, 1, 0),
481 SOC_DAPM_SINGLE("AUXR Capture Switch", TWL4030_REG_ANAMICR, 2, 1, 0),
484 /* TX1 L/R Analog/Digital microphone selection */
485 static const char *twl4030_micpathtx1_texts[] =
486 {"Analog", "Digimic0"};
488 static SOC_ENUM_SINGLE_DECL(twl4030_micpathtx1_enum,
489 TWL4030_REG_ADCMICSEL, 0,
490 twl4030_micpathtx1_texts);
492 static const struct snd_kcontrol_new twl4030_dapm_micpathtx1_control =
493 SOC_DAPM_ENUM("Route", twl4030_micpathtx1_enum);
495 /* TX2 L/R Analog/Digital microphone selection */
496 static const char *twl4030_micpathtx2_texts[] =
497 {"Analog", "Digimic1"};
499 static SOC_ENUM_SINGLE_DECL(twl4030_micpathtx2_enum,
500 TWL4030_REG_ADCMICSEL, 2,
501 twl4030_micpathtx2_texts);
503 static const struct snd_kcontrol_new twl4030_dapm_micpathtx2_control =
504 SOC_DAPM_ENUM("Route", twl4030_micpathtx2_enum);
506 /* Analog bypass for AudioR1 */
507 static const struct snd_kcontrol_new twl4030_dapm_abypassr1_control =
508 SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXR1_APGA_CTL, 2, 1, 0);
510 /* Analog bypass for AudioL1 */
511 static const struct snd_kcontrol_new twl4030_dapm_abypassl1_control =
512 SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXL1_APGA_CTL, 2, 1, 0);
514 /* Analog bypass for AudioR2 */
515 static const struct snd_kcontrol_new twl4030_dapm_abypassr2_control =
516 SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXR2_APGA_CTL, 2, 1, 0);
518 /* Analog bypass for AudioL2 */
519 static const struct snd_kcontrol_new twl4030_dapm_abypassl2_control =
520 SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXL2_APGA_CTL, 2, 1, 0);
522 /* Analog bypass for Voice */
523 static const struct snd_kcontrol_new twl4030_dapm_abypassv_control =
524 SOC_DAPM_SINGLE("Switch", TWL4030_REG_VDL_APGA_CTL, 2, 1, 0);
526 /* Digital bypass gain, mute instead of -30dB */
527 static const unsigned int twl4030_dapm_dbypass_tlv[] = {
528 TLV_DB_RANGE_HEAD(3),
529 0, 1, TLV_DB_SCALE_ITEM(-3000, 600, 1),
530 2, 3, TLV_DB_SCALE_ITEM(-2400, 0, 0),
531 4, 7, TLV_DB_SCALE_ITEM(-1800, 600, 0),
534 /* Digital bypass left (TX1L -> RX2L) */
535 static const struct snd_kcontrol_new twl4030_dapm_dbypassl_control =
536 SOC_DAPM_SINGLE_TLV("Volume",
537 TWL4030_REG_ATX2ARXPGA, 3, 7, 0,
538 twl4030_dapm_dbypass_tlv);
540 /* Digital bypass right (TX1R -> RX2R) */
541 static const struct snd_kcontrol_new twl4030_dapm_dbypassr_control =
542 SOC_DAPM_SINGLE_TLV("Volume",
543 TWL4030_REG_ATX2ARXPGA, 0, 7, 0,
544 twl4030_dapm_dbypass_tlv);
547 * Voice Sidetone GAIN volume control:
548 * from -51 to -10 dB in 1 dB steps (mute instead of -51 dB)
550 static DECLARE_TLV_DB_SCALE(twl4030_dapm_dbypassv_tlv, -5100, 100, 1);
552 /* Digital bypass voice: sidetone (VUL -> VDL)*/
553 static const struct snd_kcontrol_new twl4030_dapm_dbypassv_control =
554 SOC_DAPM_SINGLE_TLV("Volume",
555 TWL4030_REG_VSTPGA, 0, 0x29, 0,
556 twl4030_dapm_dbypassv_tlv);
559 * Output PGA builder:
560 * Handle the muting and unmuting of the given output (turning off the
561 * amplifier associated with the output pin)
562 * On mute bypass the reg_cache and write 0 to the register
563 * On unmute: restore the register content from the reg_cache
564 * Outputs handled in this way: Earpiece, PreDrivL/R, CarkitL/R
566 #define TWL4030_OUTPUT_PGA(pin_name, reg, mask) \
567 static int pin_name##pga_event(struct snd_soc_dapm_widget *w, \
568 struct snd_kcontrol *kcontrol, int event) \
570 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(w->codec); \
573 case SND_SOC_DAPM_POST_PMU: \
574 twl4030->pin_name##_enabled = 1; \
575 twl4030_write(w->codec, reg, twl4030_read(w->codec, reg)); \
577 case SND_SOC_DAPM_POST_PMD: \
578 twl4030->pin_name##_enabled = 0; \
579 twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, 0, reg); \
585 TWL4030_OUTPUT_PGA(earpiece, TWL4030_REG_EAR_CTL, TWL4030_EAR_GAIN);
586 TWL4030_OUTPUT_PGA(predrivel, TWL4030_REG_PREDL_CTL, TWL4030_PREDL_GAIN);
587 TWL4030_OUTPUT_PGA(predriver, TWL4030_REG_PREDR_CTL, TWL4030_PREDR_GAIN);
588 TWL4030_OUTPUT_PGA(carkitl, TWL4030_REG_PRECKL_CTL, TWL4030_PRECKL_GAIN);
589 TWL4030_OUTPUT_PGA(carkitr, TWL4030_REG_PRECKR_CTL, TWL4030_PRECKR_GAIN);
591 static void handsfree_ramp(struct snd_soc_codec *codec, int reg, int ramp)
593 unsigned char hs_ctl;
595 hs_ctl = twl4030_read(codec, reg);
599 hs_ctl |= TWL4030_HF_CTL_REF_EN;
600 twl4030_write(codec, reg, hs_ctl);
602 hs_ctl |= TWL4030_HF_CTL_RAMP_EN;
603 twl4030_write(codec, reg, hs_ctl);
605 hs_ctl |= TWL4030_HF_CTL_LOOP_EN;
606 hs_ctl |= TWL4030_HF_CTL_HB_EN;
607 twl4030_write(codec, reg, hs_ctl);
610 hs_ctl &= ~TWL4030_HF_CTL_LOOP_EN;
611 hs_ctl &= ~TWL4030_HF_CTL_HB_EN;
612 twl4030_write(codec, reg, hs_ctl);
613 hs_ctl &= ~TWL4030_HF_CTL_RAMP_EN;
614 twl4030_write(codec, reg, hs_ctl);
616 hs_ctl &= ~TWL4030_HF_CTL_REF_EN;
617 twl4030_write(codec, reg, hs_ctl);
621 static int handsfreelpga_event(struct snd_soc_dapm_widget *w,
622 struct snd_kcontrol *kcontrol, int event)
625 case SND_SOC_DAPM_POST_PMU:
626 handsfree_ramp(w->codec, TWL4030_REG_HFL_CTL, 1);
628 case SND_SOC_DAPM_POST_PMD:
629 handsfree_ramp(w->codec, TWL4030_REG_HFL_CTL, 0);
635 static int handsfreerpga_event(struct snd_soc_dapm_widget *w,
636 struct snd_kcontrol *kcontrol, int event)
639 case SND_SOC_DAPM_POST_PMU:
640 handsfree_ramp(w->codec, TWL4030_REG_HFR_CTL, 1);
642 case SND_SOC_DAPM_POST_PMD:
643 handsfree_ramp(w->codec, TWL4030_REG_HFR_CTL, 0);
649 static int vibramux_event(struct snd_soc_dapm_widget *w,
650 struct snd_kcontrol *kcontrol, int event)
652 twl4030_write(w->codec, TWL4030_REG_VIBRA_SET, 0xff);
656 static int apll_event(struct snd_soc_dapm_widget *w,
657 struct snd_kcontrol *kcontrol, int event)
660 case SND_SOC_DAPM_PRE_PMU:
661 twl4030_apll_enable(w->codec, 1);
663 case SND_SOC_DAPM_POST_PMD:
664 twl4030_apll_enable(w->codec, 0);
670 static int aif_event(struct snd_soc_dapm_widget *w,
671 struct snd_kcontrol *kcontrol, int event)
675 audio_if = twl4030_read(w->codec, TWL4030_REG_AUDIO_IF);
677 case SND_SOC_DAPM_PRE_PMU:
679 /* enable the PLL before we use it to clock the DAI */
680 twl4030_apll_enable(w->codec, 1);
682 twl4030_write(w->codec, TWL4030_REG_AUDIO_IF,
683 audio_if | TWL4030_AIF_EN);
685 case SND_SOC_DAPM_POST_PMD:
686 /* disable the DAI before we stop it's source PLL */
687 twl4030_write(w->codec, TWL4030_REG_AUDIO_IF,
688 audio_if & ~TWL4030_AIF_EN);
689 twl4030_apll_enable(w->codec, 0);
695 static void headset_ramp(struct snd_soc_codec *codec, int ramp)
697 unsigned char hs_gain, hs_pop;
698 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
699 struct twl4030_codec_data *pdata = twl4030->pdata;
700 /* Base values for ramp delay calculation: 2^19 - 2^26 */
701 unsigned int ramp_base[] = {524288, 1048576, 2097152, 4194304,
702 8388608, 16777216, 33554432, 67108864};
705 hs_gain = twl4030_read(codec, TWL4030_REG_HS_GAIN_SET);
706 hs_pop = twl4030_read(codec, TWL4030_REG_HS_POPN_SET);
707 delay = (ramp_base[(hs_pop & TWL4030_RAMP_DELAY) >> 2] /
708 twl4030->sysclk) + 1;
710 /* Enable external mute control, this dramatically reduces
712 if (pdata && pdata->hs_extmute) {
713 if (gpio_is_valid(pdata->hs_extmute_gpio)) {
714 gpio_set_value(pdata->hs_extmute_gpio, 1);
716 hs_pop |= TWL4030_EXTMUTE;
717 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop);
722 /* Headset ramp-up according to the TRM */
723 hs_pop |= TWL4030_VMID_EN;
724 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop);
725 /* Actually write to the register */
726 twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, hs_gain,
727 TWL4030_REG_HS_GAIN_SET);
728 hs_pop |= TWL4030_RAMP_EN;
729 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop);
730 /* Wait ramp delay time + 1, so the VMID can settle */
731 twl4030_wait_ms(delay);
733 /* Headset ramp-down _not_ according to
734 * the TRM, but in a way that it is working */
735 hs_pop &= ~TWL4030_RAMP_EN;
736 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop);
737 /* Wait ramp delay time + 1, so the VMID can settle */
738 twl4030_wait_ms(delay);
739 /* Bypass the reg_cache to mute the headset */
740 twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, hs_gain & (~0x0f),
741 TWL4030_REG_HS_GAIN_SET);
743 hs_pop &= ~TWL4030_VMID_EN;
744 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop);
747 /* Disable external mute */
748 if (pdata && pdata->hs_extmute) {
749 if (gpio_is_valid(pdata->hs_extmute_gpio)) {
750 gpio_set_value(pdata->hs_extmute_gpio, 0);
752 hs_pop &= ~TWL4030_EXTMUTE;
753 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop);
758 static int headsetlpga_event(struct snd_soc_dapm_widget *w,
759 struct snd_kcontrol *kcontrol, int event)
761 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(w->codec);
764 case SND_SOC_DAPM_POST_PMU:
765 /* Do the ramp-up only once */
766 if (!twl4030->hsr_enabled)
767 headset_ramp(w->codec, 1);
769 twl4030->hsl_enabled = 1;
771 case SND_SOC_DAPM_POST_PMD:
772 /* Do the ramp-down only if both headsetL/R is disabled */
773 if (!twl4030->hsr_enabled)
774 headset_ramp(w->codec, 0);
776 twl4030->hsl_enabled = 0;
782 static int headsetrpga_event(struct snd_soc_dapm_widget *w,
783 struct snd_kcontrol *kcontrol, int event)
785 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(w->codec);
788 case SND_SOC_DAPM_POST_PMU:
789 /* Do the ramp-up only once */
790 if (!twl4030->hsl_enabled)
791 headset_ramp(w->codec, 1);
793 twl4030->hsr_enabled = 1;
795 case SND_SOC_DAPM_POST_PMD:
796 /* Do the ramp-down only if both headsetL/R is disabled */
797 if (!twl4030->hsl_enabled)
798 headset_ramp(w->codec, 0);
800 twl4030->hsr_enabled = 0;
806 static int digimic_event(struct snd_soc_dapm_widget *w,
807 struct snd_kcontrol *kcontrol, int event)
809 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(w->codec);
810 struct twl4030_codec_data *pdata = twl4030->pdata;
812 if (pdata && pdata->digimic_delay)
813 twl4030_wait_ms(pdata->digimic_delay);
818 * Some of the gain controls in TWL (mostly those which are associated with
819 * the outputs) are implemented in an interesting way:
820 * 0x0 : Power down (mute)
824 * Inverting not going to help with these.
825 * Custom volsw and volsw_2r get/put functions to handle these gain bits.
827 static int snd_soc_get_volsw_twl4030(struct snd_kcontrol *kcontrol,
828 struct snd_ctl_elem_value *ucontrol)
830 struct soc_mixer_control *mc =
831 (struct soc_mixer_control *)kcontrol->private_value;
832 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
833 unsigned int reg = mc->reg;
834 unsigned int shift = mc->shift;
835 unsigned int rshift = mc->rshift;
837 int mask = (1 << fls(max)) - 1;
839 ucontrol->value.integer.value[0] =
840 (snd_soc_read(codec, reg) >> shift) & mask;
841 if (ucontrol->value.integer.value[0])
842 ucontrol->value.integer.value[0] =
843 max + 1 - ucontrol->value.integer.value[0];
845 if (shift != rshift) {
846 ucontrol->value.integer.value[1] =
847 (snd_soc_read(codec, reg) >> rshift) & mask;
848 if (ucontrol->value.integer.value[1])
849 ucontrol->value.integer.value[1] =
850 max + 1 - ucontrol->value.integer.value[1];
856 static int snd_soc_put_volsw_twl4030(struct snd_kcontrol *kcontrol,
857 struct snd_ctl_elem_value *ucontrol)
859 struct soc_mixer_control *mc =
860 (struct soc_mixer_control *)kcontrol->private_value;
861 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
862 unsigned int reg = mc->reg;
863 unsigned int shift = mc->shift;
864 unsigned int rshift = mc->rshift;
866 int mask = (1 << fls(max)) - 1;
867 unsigned short val, val2, val_mask;
869 val = (ucontrol->value.integer.value[0] & mask);
871 val_mask = mask << shift;
875 if (shift != rshift) {
876 val2 = (ucontrol->value.integer.value[1] & mask);
877 val_mask |= mask << rshift;
879 val2 = max + 1 - val2;
880 val |= val2 << rshift;
882 return snd_soc_update_bits(codec, reg, val_mask, val);
885 static int snd_soc_get_volsw_r2_twl4030(struct snd_kcontrol *kcontrol,
886 struct snd_ctl_elem_value *ucontrol)
888 struct soc_mixer_control *mc =
889 (struct soc_mixer_control *)kcontrol->private_value;
890 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
891 unsigned int reg = mc->reg;
892 unsigned int reg2 = mc->rreg;
893 unsigned int shift = mc->shift;
895 int mask = (1<<fls(max))-1;
897 ucontrol->value.integer.value[0] =
898 (snd_soc_read(codec, reg) >> shift) & mask;
899 ucontrol->value.integer.value[1] =
900 (snd_soc_read(codec, reg2) >> shift) & mask;
902 if (ucontrol->value.integer.value[0])
903 ucontrol->value.integer.value[0] =
904 max + 1 - ucontrol->value.integer.value[0];
905 if (ucontrol->value.integer.value[1])
906 ucontrol->value.integer.value[1] =
907 max + 1 - ucontrol->value.integer.value[1];
912 static int snd_soc_put_volsw_r2_twl4030(struct snd_kcontrol *kcontrol,
913 struct snd_ctl_elem_value *ucontrol)
915 struct soc_mixer_control *mc =
916 (struct soc_mixer_control *)kcontrol->private_value;
917 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
918 unsigned int reg = mc->reg;
919 unsigned int reg2 = mc->rreg;
920 unsigned int shift = mc->shift;
922 int mask = (1 << fls(max)) - 1;
924 unsigned short val, val2, val_mask;
926 val_mask = mask << shift;
927 val = (ucontrol->value.integer.value[0] & mask);
928 val2 = (ucontrol->value.integer.value[1] & mask);
933 val2 = max + 1 - val2;
936 val2 = val2 << shift;
938 err = snd_soc_update_bits(codec, reg, val_mask, val);
942 err = snd_soc_update_bits(codec, reg2, val_mask, val2);
946 /* Codec operation modes */
947 static const char *twl4030_op_modes_texts[] = {
948 "Option 2 (voice/audio)", "Option 1 (audio)"
951 static SOC_ENUM_SINGLE_DECL(twl4030_op_modes_enum,
952 TWL4030_REG_CODEC_MODE, 0,
953 twl4030_op_modes_texts);
955 static int snd_soc_put_twl4030_opmode_enum_double(struct snd_kcontrol *kcontrol,
956 struct snd_ctl_elem_value *ucontrol)
958 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
959 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
961 if (twl4030->configured) {
963 "operation mode cannot be changed on-the-fly\n");
967 return snd_soc_put_enum_double(kcontrol, ucontrol);
971 * FGAIN volume control:
972 * from -62 to 0 dB in 1 dB steps (mute instead of -63 dB)
974 static DECLARE_TLV_DB_SCALE(digital_fine_tlv, -6300, 100, 1);
977 * CGAIN volume control:
978 * 0 dB to 12 dB in 6 dB steps
979 * value 2 and 3 means 12 dB
981 static DECLARE_TLV_DB_SCALE(digital_coarse_tlv, 0, 600, 0);
984 * Voice Downlink GAIN volume control:
985 * from -37 to 12 dB in 1 dB steps (mute instead of -37 dB)
987 static DECLARE_TLV_DB_SCALE(digital_voice_downlink_tlv, -3700, 100, 1);
990 * Analog playback gain
991 * -24 dB to 12 dB in 2 dB steps
993 static DECLARE_TLV_DB_SCALE(analog_tlv, -2400, 200, 0);
996 * Gain controls tied to outputs
997 * -6 dB to 6 dB in 6 dB steps (mute instead of -12)
999 static DECLARE_TLV_DB_SCALE(output_tvl, -1200, 600, 1);
1002 * Gain control for earpiece amplifier
1003 * 0 dB to 12 dB in 6 dB steps (mute instead of -6)
1005 static DECLARE_TLV_DB_SCALE(output_ear_tvl, -600, 600, 1);
1008 * Capture gain after the ADCs
1009 * from 0 dB to 31 dB in 1 dB steps
1011 static DECLARE_TLV_DB_SCALE(digital_capture_tlv, 0, 100, 0);
1014 * Gain control for input amplifiers
1015 * 0 dB to 30 dB in 6 dB steps
1017 static DECLARE_TLV_DB_SCALE(input_gain_tlv, 0, 600, 0);
1019 /* AVADC clock priority */
1020 static const char *twl4030_avadc_clk_priority_texts[] = {
1021 "Voice high priority", "HiFi high priority"
1024 static SOC_ENUM_SINGLE_DECL(twl4030_avadc_clk_priority_enum,
1025 TWL4030_REG_AVADC_CTL, 2,
1026 twl4030_avadc_clk_priority_texts);
1028 static const char *twl4030_rampdelay_texts[] = {
1029 "27/20/14 ms", "55/40/27 ms", "109/81/55 ms", "218/161/109 ms",
1030 "437/323/218 ms", "874/645/437 ms", "1748/1291/874 ms",
1034 static SOC_ENUM_SINGLE_DECL(twl4030_rampdelay_enum,
1035 TWL4030_REG_HS_POPN_SET, 2,
1036 twl4030_rampdelay_texts);
1038 /* Vibra H-bridge direction mode */
1039 static const char *twl4030_vibradirmode_texts[] = {
1040 "Vibra H-bridge direction", "Audio data MSB",
1043 static SOC_ENUM_SINGLE_DECL(twl4030_vibradirmode_enum,
1044 TWL4030_REG_VIBRA_CTL, 5,
1045 twl4030_vibradirmode_texts);
1047 /* Vibra H-bridge direction */
1048 static const char *twl4030_vibradir_texts[] = {
1049 "Positive polarity", "Negative polarity",
1052 static SOC_ENUM_SINGLE_DECL(twl4030_vibradir_enum,
1053 TWL4030_REG_VIBRA_CTL, 1,
1054 twl4030_vibradir_texts);
1056 /* Digimic Left and right swapping */
1057 static const char *twl4030_digimicswap_texts[] = {
1058 "Not swapped", "Swapped",
1061 static SOC_ENUM_SINGLE_DECL(twl4030_digimicswap_enum,
1062 TWL4030_REG_MISC_SET_1, 0,
1063 twl4030_digimicswap_texts);
1065 static const struct snd_kcontrol_new twl4030_snd_controls[] = {
1066 /* Codec operation mode control */
1067 SOC_ENUM_EXT("Codec Operation Mode", twl4030_op_modes_enum,
1068 snd_soc_get_enum_double,
1069 snd_soc_put_twl4030_opmode_enum_double),
1071 /* Common playback gain controls */
1072 SOC_DOUBLE_R_TLV("DAC1 Digital Fine Playback Volume",
1073 TWL4030_REG_ARXL1PGA, TWL4030_REG_ARXR1PGA,
1074 0, 0x3f, 0, digital_fine_tlv),
1075 SOC_DOUBLE_R_TLV("DAC2 Digital Fine Playback Volume",
1076 TWL4030_REG_ARXL2PGA, TWL4030_REG_ARXR2PGA,
1077 0, 0x3f, 0, digital_fine_tlv),
1079 SOC_DOUBLE_R_TLV("DAC1 Digital Coarse Playback Volume",
1080 TWL4030_REG_ARXL1PGA, TWL4030_REG_ARXR1PGA,
1081 6, 0x2, 0, digital_coarse_tlv),
1082 SOC_DOUBLE_R_TLV("DAC2 Digital Coarse Playback Volume",
1083 TWL4030_REG_ARXL2PGA, TWL4030_REG_ARXR2PGA,
1084 6, 0x2, 0, digital_coarse_tlv),
1086 SOC_DOUBLE_R_TLV("DAC1 Analog Playback Volume",
1087 TWL4030_REG_ARXL1_APGA_CTL, TWL4030_REG_ARXR1_APGA_CTL,
1088 3, 0x12, 1, analog_tlv),
1089 SOC_DOUBLE_R_TLV("DAC2 Analog Playback Volume",
1090 TWL4030_REG_ARXL2_APGA_CTL, TWL4030_REG_ARXR2_APGA_CTL,
1091 3, 0x12, 1, analog_tlv),
1092 SOC_DOUBLE_R("DAC1 Analog Playback Switch",
1093 TWL4030_REG_ARXL1_APGA_CTL, TWL4030_REG_ARXR1_APGA_CTL,
1095 SOC_DOUBLE_R("DAC2 Analog Playback Switch",
1096 TWL4030_REG_ARXL2_APGA_CTL, TWL4030_REG_ARXR2_APGA_CTL,
1099 /* Common voice downlink gain controls */
1100 SOC_SINGLE_TLV("DAC Voice Digital Downlink Volume",
1101 TWL4030_REG_VRXPGA, 0, 0x31, 0, digital_voice_downlink_tlv),
1103 SOC_SINGLE_TLV("DAC Voice Analog Downlink Volume",
1104 TWL4030_REG_VDL_APGA_CTL, 3, 0x12, 1, analog_tlv),
1106 SOC_SINGLE("DAC Voice Analog Downlink Switch",
1107 TWL4030_REG_VDL_APGA_CTL, 1, 1, 0),
1109 /* Separate output gain controls */
1110 SOC_DOUBLE_R_EXT_TLV("PreDriv Playback Volume",
1111 TWL4030_REG_PREDL_CTL, TWL4030_REG_PREDR_CTL,
1112 4, 3, 0, snd_soc_get_volsw_r2_twl4030,
1113 snd_soc_put_volsw_r2_twl4030, output_tvl),
1115 SOC_DOUBLE_EXT_TLV("Headset Playback Volume",
1116 TWL4030_REG_HS_GAIN_SET, 0, 2, 3, 0, snd_soc_get_volsw_twl4030,
1117 snd_soc_put_volsw_twl4030, output_tvl),
1119 SOC_DOUBLE_R_EXT_TLV("Carkit Playback Volume",
1120 TWL4030_REG_PRECKL_CTL, TWL4030_REG_PRECKR_CTL,
1121 4, 3, 0, snd_soc_get_volsw_r2_twl4030,
1122 snd_soc_put_volsw_r2_twl4030, output_tvl),
1124 SOC_SINGLE_EXT_TLV("Earpiece Playback Volume",
1125 TWL4030_REG_EAR_CTL, 4, 3, 0, snd_soc_get_volsw_twl4030,
1126 snd_soc_put_volsw_twl4030, output_ear_tvl),
1128 /* Common capture gain controls */
1129 SOC_DOUBLE_R_TLV("TX1 Digital Capture Volume",
1130 TWL4030_REG_ATXL1PGA, TWL4030_REG_ATXR1PGA,
1131 0, 0x1f, 0, digital_capture_tlv),
1132 SOC_DOUBLE_R_TLV("TX2 Digital Capture Volume",
1133 TWL4030_REG_AVTXL2PGA, TWL4030_REG_AVTXR2PGA,
1134 0, 0x1f, 0, digital_capture_tlv),
1136 SOC_DOUBLE_TLV("Analog Capture Volume", TWL4030_REG_ANAMIC_GAIN,
1137 0, 3, 5, 0, input_gain_tlv),
1139 SOC_ENUM("AVADC Clock Priority", twl4030_avadc_clk_priority_enum),
1141 SOC_ENUM("HS ramp delay", twl4030_rampdelay_enum),
1143 SOC_ENUM("Vibra H-bridge mode", twl4030_vibradirmode_enum),
1144 SOC_ENUM("Vibra H-bridge direction", twl4030_vibradir_enum),
1146 SOC_ENUM("Digimic LR Swap", twl4030_digimicswap_enum),
1149 static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = {
1150 /* Left channel inputs */
1151 SND_SOC_DAPM_INPUT("MAINMIC"),
1152 SND_SOC_DAPM_INPUT("HSMIC"),
1153 SND_SOC_DAPM_INPUT("AUXL"),
1154 SND_SOC_DAPM_INPUT("CARKITMIC"),
1155 /* Right channel inputs */
1156 SND_SOC_DAPM_INPUT("SUBMIC"),
1157 SND_SOC_DAPM_INPUT("AUXR"),
1158 /* Digital microphones (Stereo) */
1159 SND_SOC_DAPM_INPUT("DIGIMIC0"),
1160 SND_SOC_DAPM_INPUT("DIGIMIC1"),
1163 SND_SOC_DAPM_OUTPUT("EARPIECE"),
1164 SND_SOC_DAPM_OUTPUT("PREDRIVEL"),
1165 SND_SOC_DAPM_OUTPUT("PREDRIVER"),
1166 SND_SOC_DAPM_OUTPUT("HSOL"),
1167 SND_SOC_DAPM_OUTPUT("HSOR"),
1168 SND_SOC_DAPM_OUTPUT("CARKITL"),
1169 SND_SOC_DAPM_OUTPUT("CARKITR"),
1170 SND_SOC_DAPM_OUTPUT("HFL"),
1171 SND_SOC_DAPM_OUTPUT("HFR"),
1172 SND_SOC_DAPM_OUTPUT("VIBRA"),
1174 /* AIF and APLL clocks for running DAIs (including loopback) */
1175 SND_SOC_DAPM_OUTPUT("Virtual HiFi OUT"),
1176 SND_SOC_DAPM_INPUT("Virtual HiFi IN"),
1177 SND_SOC_DAPM_OUTPUT("Virtual Voice OUT"),
1180 SND_SOC_DAPM_DAC("DAC Right1", NULL, SND_SOC_NOPM, 0, 0),
1181 SND_SOC_DAPM_DAC("DAC Left1", NULL, SND_SOC_NOPM, 0, 0),
1182 SND_SOC_DAPM_DAC("DAC Right2", NULL, SND_SOC_NOPM, 0, 0),
1183 SND_SOC_DAPM_DAC("DAC Left2", NULL, SND_SOC_NOPM, 0, 0),
1184 SND_SOC_DAPM_DAC("DAC Voice", NULL, SND_SOC_NOPM, 0, 0),
1186 SND_SOC_DAPM_AIF_IN("VAIFIN", "Voice Playback", 0,
1187 TWL4030_REG_VOICE_IF, 6, 0),
1189 /* Analog bypasses */
1190 SND_SOC_DAPM_SWITCH("Right1 Analog Loopback", SND_SOC_NOPM, 0, 0,
1191 &twl4030_dapm_abypassr1_control),
1192 SND_SOC_DAPM_SWITCH("Left1 Analog Loopback", SND_SOC_NOPM, 0, 0,
1193 &twl4030_dapm_abypassl1_control),
1194 SND_SOC_DAPM_SWITCH("Right2 Analog Loopback", SND_SOC_NOPM, 0, 0,
1195 &twl4030_dapm_abypassr2_control),
1196 SND_SOC_DAPM_SWITCH("Left2 Analog Loopback", SND_SOC_NOPM, 0, 0,
1197 &twl4030_dapm_abypassl2_control),
1198 SND_SOC_DAPM_SWITCH("Voice Analog Loopback", SND_SOC_NOPM, 0, 0,
1199 &twl4030_dapm_abypassv_control),
1201 /* Master analog loopback switch */
1202 SND_SOC_DAPM_SUPPLY("FM Loop Enable", TWL4030_REG_MISC_SET_1, 5, 0,
1205 /* Digital bypasses */
1206 SND_SOC_DAPM_SWITCH("Left Digital Loopback", SND_SOC_NOPM, 0, 0,
1207 &twl4030_dapm_dbypassl_control),
1208 SND_SOC_DAPM_SWITCH("Right Digital Loopback", SND_SOC_NOPM, 0, 0,
1209 &twl4030_dapm_dbypassr_control),
1210 SND_SOC_DAPM_SWITCH("Voice Digital Loopback", SND_SOC_NOPM, 0, 0,
1211 &twl4030_dapm_dbypassv_control),
1213 /* Digital mixers, power control for the physical DACs */
1214 SND_SOC_DAPM_MIXER("Digital R1 Playback Mixer",
1215 TWL4030_REG_AVDAC_CTL, 0, 0, NULL, 0),
1216 SND_SOC_DAPM_MIXER("Digital L1 Playback Mixer",
1217 TWL4030_REG_AVDAC_CTL, 1, 0, NULL, 0),
1218 SND_SOC_DAPM_MIXER("Digital R2 Playback Mixer",
1219 TWL4030_REG_AVDAC_CTL, 2, 0, NULL, 0),
1220 SND_SOC_DAPM_MIXER("Digital L2 Playback Mixer",
1221 TWL4030_REG_AVDAC_CTL, 3, 0, NULL, 0),
1222 SND_SOC_DAPM_MIXER("Digital Voice Playback Mixer",
1223 TWL4030_REG_AVDAC_CTL, 4, 0, NULL, 0),
1225 /* Analog mixers, power control for the physical PGAs */
1226 SND_SOC_DAPM_MIXER("Analog R1 Playback Mixer",
1227 TWL4030_REG_ARXR1_APGA_CTL, 0, 0, NULL, 0),
1228 SND_SOC_DAPM_MIXER("Analog L1 Playback Mixer",
1229 TWL4030_REG_ARXL1_APGA_CTL, 0, 0, NULL, 0),
1230 SND_SOC_DAPM_MIXER("Analog R2 Playback Mixer",
1231 TWL4030_REG_ARXR2_APGA_CTL, 0, 0, NULL, 0),
1232 SND_SOC_DAPM_MIXER("Analog L2 Playback Mixer",
1233 TWL4030_REG_ARXL2_APGA_CTL, 0, 0, NULL, 0),
1234 SND_SOC_DAPM_MIXER("Analog Voice Playback Mixer",
1235 TWL4030_REG_VDL_APGA_CTL, 0, 0, NULL, 0),
1237 SND_SOC_DAPM_SUPPLY("APLL Enable", SND_SOC_NOPM, 0, 0, apll_event,
1238 SND_SOC_DAPM_PRE_PMU|SND_SOC_DAPM_POST_PMD),
1240 SND_SOC_DAPM_SUPPLY("AIF Enable", SND_SOC_NOPM, 0, 0, aif_event,
1241 SND_SOC_DAPM_PRE_PMU|SND_SOC_DAPM_POST_PMD),
1243 /* Output MIXER controls */
1245 SND_SOC_DAPM_MIXER("Earpiece Mixer", SND_SOC_NOPM, 0, 0,
1246 &twl4030_dapm_earpiece_controls[0],
1247 ARRAY_SIZE(twl4030_dapm_earpiece_controls)),
1248 SND_SOC_DAPM_PGA_E("Earpiece PGA", SND_SOC_NOPM,
1249 0, 0, NULL, 0, earpiecepga_event,
1250 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1252 SND_SOC_DAPM_MIXER("PredriveL Mixer", SND_SOC_NOPM, 0, 0,
1253 &twl4030_dapm_predrivel_controls[0],
1254 ARRAY_SIZE(twl4030_dapm_predrivel_controls)),
1255 SND_SOC_DAPM_PGA_E("PredriveL PGA", SND_SOC_NOPM,
1256 0, 0, NULL, 0, predrivelpga_event,
1257 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1258 SND_SOC_DAPM_MIXER("PredriveR Mixer", SND_SOC_NOPM, 0, 0,
1259 &twl4030_dapm_predriver_controls[0],
1260 ARRAY_SIZE(twl4030_dapm_predriver_controls)),
1261 SND_SOC_DAPM_PGA_E("PredriveR PGA", SND_SOC_NOPM,
1262 0, 0, NULL, 0, predriverpga_event,
1263 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1265 SND_SOC_DAPM_MIXER("HeadsetL Mixer", SND_SOC_NOPM, 0, 0,
1266 &twl4030_dapm_hsol_controls[0],
1267 ARRAY_SIZE(twl4030_dapm_hsol_controls)),
1268 SND_SOC_DAPM_PGA_E("HeadsetL PGA", SND_SOC_NOPM,
1269 0, 0, NULL, 0, headsetlpga_event,
1270 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1271 SND_SOC_DAPM_MIXER("HeadsetR Mixer", SND_SOC_NOPM, 0, 0,
1272 &twl4030_dapm_hsor_controls[0],
1273 ARRAY_SIZE(twl4030_dapm_hsor_controls)),
1274 SND_SOC_DAPM_PGA_E("HeadsetR PGA", SND_SOC_NOPM,
1275 0, 0, NULL, 0, headsetrpga_event,
1276 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1278 SND_SOC_DAPM_MIXER("CarkitL Mixer", SND_SOC_NOPM, 0, 0,
1279 &twl4030_dapm_carkitl_controls[0],
1280 ARRAY_SIZE(twl4030_dapm_carkitl_controls)),
1281 SND_SOC_DAPM_PGA_E("CarkitL PGA", SND_SOC_NOPM,
1282 0, 0, NULL, 0, carkitlpga_event,
1283 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1284 SND_SOC_DAPM_MIXER("CarkitR Mixer", SND_SOC_NOPM, 0, 0,
1285 &twl4030_dapm_carkitr_controls[0],
1286 ARRAY_SIZE(twl4030_dapm_carkitr_controls)),
1287 SND_SOC_DAPM_PGA_E("CarkitR PGA", SND_SOC_NOPM,
1288 0, 0, NULL, 0, carkitrpga_event,
1289 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1291 /* Output MUX controls */
1293 SND_SOC_DAPM_MUX("HandsfreeL Mux", SND_SOC_NOPM, 0, 0,
1294 &twl4030_dapm_handsfreel_control),
1295 SND_SOC_DAPM_SWITCH("HandsfreeL", SND_SOC_NOPM, 0, 0,
1296 &twl4030_dapm_handsfreelmute_control),
1297 SND_SOC_DAPM_PGA_E("HandsfreeL PGA", SND_SOC_NOPM,
1298 0, 0, NULL, 0, handsfreelpga_event,
1299 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1300 SND_SOC_DAPM_MUX("HandsfreeR Mux", SND_SOC_NOPM, 5, 0,
1301 &twl4030_dapm_handsfreer_control),
1302 SND_SOC_DAPM_SWITCH("HandsfreeR", SND_SOC_NOPM, 0, 0,
1303 &twl4030_dapm_handsfreermute_control),
1304 SND_SOC_DAPM_PGA_E("HandsfreeR PGA", SND_SOC_NOPM,
1305 0, 0, NULL, 0, handsfreerpga_event,
1306 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1308 SND_SOC_DAPM_MUX_E("Vibra Mux", TWL4030_REG_VIBRA_CTL, 0, 0,
1309 &twl4030_dapm_vibra_control, vibramux_event,
1310 SND_SOC_DAPM_PRE_PMU),
1311 SND_SOC_DAPM_MUX("Vibra Route", SND_SOC_NOPM, 0, 0,
1312 &twl4030_dapm_vibrapath_control),
1314 /* Introducing four virtual ADC, since TWL4030 have four channel for
1316 SND_SOC_DAPM_ADC("ADC Virtual Left1", NULL, SND_SOC_NOPM, 0, 0),
1317 SND_SOC_DAPM_ADC("ADC Virtual Right1", NULL, SND_SOC_NOPM, 0, 0),
1318 SND_SOC_DAPM_ADC("ADC Virtual Left2", NULL, SND_SOC_NOPM, 0, 0),
1319 SND_SOC_DAPM_ADC("ADC Virtual Right2", NULL, SND_SOC_NOPM, 0, 0),
1321 SND_SOC_DAPM_AIF_OUT("VAIFOUT", "Voice Capture", 0,
1322 TWL4030_REG_VOICE_IF, 5, 0),
1324 /* Analog/Digital mic path selection.
1325 TX1 Left/Right: either analog Left/Right or Digimic0
1326 TX2 Left/Right: either analog Left/Right or Digimic1 */
1327 SND_SOC_DAPM_MUX("TX1 Capture Route", SND_SOC_NOPM, 0, 0,
1328 &twl4030_dapm_micpathtx1_control),
1329 SND_SOC_DAPM_MUX("TX2 Capture Route", SND_SOC_NOPM, 0, 0,
1330 &twl4030_dapm_micpathtx2_control),
1332 /* Analog input mixers for the capture amplifiers */
1333 SND_SOC_DAPM_MIXER("Analog Left",
1334 TWL4030_REG_ANAMICL, 4, 0,
1335 &twl4030_dapm_analoglmic_controls[0],
1336 ARRAY_SIZE(twl4030_dapm_analoglmic_controls)),
1337 SND_SOC_DAPM_MIXER("Analog Right",
1338 TWL4030_REG_ANAMICR, 4, 0,
1339 &twl4030_dapm_analogrmic_controls[0],
1340 ARRAY_SIZE(twl4030_dapm_analogrmic_controls)),
1342 SND_SOC_DAPM_PGA("ADC Physical Left",
1343 TWL4030_REG_AVADC_CTL, 3, 0, NULL, 0),
1344 SND_SOC_DAPM_PGA("ADC Physical Right",
1345 TWL4030_REG_AVADC_CTL, 1, 0, NULL, 0),
1347 SND_SOC_DAPM_PGA_E("Digimic0 Enable",
1348 TWL4030_REG_ADCMICSEL, 1, 0, NULL, 0,
1349 digimic_event, SND_SOC_DAPM_POST_PMU),
1350 SND_SOC_DAPM_PGA_E("Digimic1 Enable",
1351 TWL4030_REG_ADCMICSEL, 3, 0, NULL, 0,
1352 digimic_event, SND_SOC_DAPM_POST_PMU),
1354 SND_SOC_DAPM_SUPPLY("micbias1 select", TWL4030_REG_MICBIAS_CTL, 5, 0,
1356 SND_SOC_DAPM_SUPPLY("micbias2 select", TWL4030_REG_MICBIAS_CTL, 6, 0,
1359 /* Microphone bias */
1360 SND_SOC_DAPM_SUPPLY("Mic Bias 1",
1361 TWL4030_REG_MICBIAS_CTL, 0, 0, NULL, 0),
1362 SND_SOC_DAPM_SUPPLY("Mic Bias 2",
1363 TWL4030_REG_MICBIAS_CTL, 1, 0, NULL, 0),
1364 SND_SOC_DAPM_SUPPLY("Headset Mic Bias",
1365 TWL4030_REG_MICBIAS_CTL, 2, 0, NULL, 0),
1367 SND_SOC_DAPM_SUPPLY("VIF Enable", TWL4030_REG_VOICE_IF, 0, 0, NULL, 0),
1370 static const struct snd_soc_dapm_route intercon[] = {
1371 /* Stream -> DAC mapping */
1372 {"DAC Right1", NULL, "HiFi Playback"},
1373 {"DAC Left1", NULL, "HiFi Playback"},
1374 {"DAC Right2", NULL, "HiFi Playback"},
1375 {"DAC Left2", NULL, "HiFi Playback"},
1376 {"DAC Voice", NULL, "VAIFIN"},
1378 /* ADC -> Stream mapping */
1379 {"HiFi Capture", NULL, "ADC Virtual Left1"},
1380 {"HiFi Capture", NULL, "ADC Virtual Right1"},
1381 {"HiFi Capture", NULL, "ADC Virtual Left2"},
1382 {"HiFi Capture", NULL, "ADC Virtual Right2"},
1383 {"VAIFOUT", NULL, "ADC Virtual Left2"},
1384 {"VAIFOUT", NULL, "ADC Virtual Right2"},
1385 {"VAIFOUT", NULL, "VIF Enable"},
1387 {"Digital L1 Playback Mixer", NULL, "DAC Left1"},
1388 {"Digital R1 Playback Mixer", NULL, "DAC Right1"},
1389 {"Digital L2 Playback Mixer", NULL, "DAC Left2"},
1390 {"Digital R2 Playback Mixer", NULL, "DAC Right2"},
1391 {"Digital Voice Playback Mixer", NULL, "DAC Voice"},
1393 /* Supply for the digital part (APLL) */
1394 {"Digital Voice Playback Mixer", NULL, "APLL Enable"},
1396 {"DAC Left1", NULL, "AIF Enable"},
1397 {"DAC Right1", NULL, "AIF Enable"},
1398 {"DAC Left2", NULL, "AIF Enable"},
1399 {"DAC Right1", NULL, "AIF Enable"},
1400 {"DAC Voice", NULL, "VIF Enable"},
1402 {"Digital R2 Playback Mixer", NULL, "AIF Enable"},
1403 {"Digital L2 Playback Mixer", NULL, "AIF Enable"},
1405 {"Analog L1 Playback Mixer", NULL, "Digital L1 Playback Mixer"},
1406 {"Analog R1 Playback Mixer", NULL, "Digital R1 Playback Mixer"},
1407 {"Analog L2 Playback Mixer", NULL, "Digital L2 Playback Mixer"},
1408 {"Analog R2 Playback Mixer", NULL, "Digital R2 Playback Mixer"},
1409 {"Analog Voice Playback Mixer", NULL, "Digital Voice Playback Mixer"},
1411 /* Internal playback routings */
1413 {"Earpiece Mixer", "Voice", "Analog Voice Playback Mixer"},
1414 {"Earpiece Mixer", "AudioL1", "Analog L1 Playback Mixer"},
1415 {"Earpiece Mixer", "AudioL2", "Analog L2 Playback Mixer"},
1416 {"Earpiece Mixer", "AudioR1", "Analog R1 Playback Mixer"},
1417 {"Earpiece PGA", NULL, "Earpiece Mixer"},
1419 {"PredriveL Mixer", "Voice", "Analog Voice Playback Mixer"},
1420 {"PredriveL Mixer", "AudioL1", "Analog L1 Playback Mixer"},
1421 {"PredriveL Mixer", "AudioL2", "Analog L2 Playback Mixer"},
1422 {"PredriveL Mixer", "AudioR2", "Analog R2 Playback Mixer"},
1423 {"PredriveL PGA", NULL, "PredriveL Mixer"},
1425 {"PredriveR Mixer", "Voice", "Analog Voice Playback Mixer"},
1426 {"PredriveR Mixer", "AudioR1", "Analog R1 Playback Mixer"},
1427 {"PredriveR Mixer", "AudioR2", "Analog R2 Playback Mixer"},
1428 {"PredriveR Mixer", "AudioL2", "Analog L2 Playback Mixer"},
1429 {"PredriveR PGA", NULL, "PredriveR Mixer"},
1431 {"HeadsetL Mixer", "Voice", "Analog Voice Playback Mixer"},
1432 {"HeadsetL Mixer", "AudioL1", "Analog L1 Playback Mixer"},
1433 {"HeadsetL Mixer", "AudioL2", "Analog L2 Playback Mixer"},
1434 {"HeadsetL PGA", NULL, "HeadsetL Mixer"},
1436 {"HeadsetR Mixer", "Voice", "Analog Voice Playback Mixer"},
1437 {"HeadsetR Mixer", "AudioR1", "Analog R1 Playback Mixer"},
1438 {"HeadsetR Mixer", "AudioR2", "Analog R2 Playback Mixer"},
1439 {"HeadsetR PGA", NULL, "HeadsetR Mixer"},
1441 {"CarkitL Mixer", "Voice", "Analog Voice Playback Mixer"},
1442 {"CarkitL Mixer", "AudioL1", "Analog L1 Playback Mixer"},
1443 {"CarkitL Mixer", "AudioL2", "Analog L2 Playback Mixer"},
1444 {"CarkitL PGA", NULL, "CarkitL Mixer"},
1446 {"CarkitR Mixer", "Voice", "Analog Voice Playback Mixer"},
1447 {"CarkitR Mixer", "AudioR1", "Analog R1 Playback Mixer"},
1448 {"CarkitR Mixer", "AudioR2", "Analog R2 Playback Mixer"},
1449 {"CarkitR PGA", NULL, "CarkitR Mixer"},
1451 {"HandsfreeL Mux", "Voice", "Analog Voice Playback Mixer"},
1452 {"HandsfreeL Mux", "AudioL1", "Analog L1 Playback Mixer"},
1453 {"HandsfreeL Mux", "AudioL2", "Analog L2 Playback Mixer"},
1454 {"HandsfreeL Mux", "AudioR2", "Analog R2 Playback Mixer"},
1455 {"HandsfreeL", "Switch", "HandsfreeL Mux"},
1456 {"HandsfreeL PGA", NULL, "HandsfreeL"},
1458 {"HandsfreeR Mux", "Voice", "Analog Voice Playback Mixer"},
1459 {"HandsfreeR Mux", "AudioR1", "Analog R1 Playback Mixer"},
1460 {"HandsfreeR Mux", "AudioR2", "Analog R2 Playback Mixer"},
1461 {"HandsfreeR Mux", "AudioL2", "Analog L2 Playback Mixer"},
1462 {"HandsfreeR", "Switch", "HandsfreeR Mux"},
1463 {"HandsfreeR PGA", NULL, "HandsfreeR"},
1465 {"Vibra Mux", "AudioL1", "DAC Left1"},
1466 {"Vibra Mux", "AudioR1", "DAC Right1"},
1467 {"Vibra Mux", "AudioL2", "DAC Left2"},
1468 {"Vibra Mux", "AudioR2", "DAC Right2"},
1471 /* Must be always connected (for AIF and APLL) */
1472 {"Virtual HiFi OUT", NULL, "DAC Left1"},
1473 {"Virtual HiFi OUT", NULL, "DAC Right1"},
1474 {"Virtual HiFi OUT", NULL, "DAC Left2"},
1475 {"Virtual HiFi OUT", NULL, "DAC Right2"},
1476 /* Must be always connected (for APLL) */
1477 {"Virtual Voice OUT", NULL, "Digital Voice Playback Mixer"},
1478 /* Physical outputs */
1479 {"EARPIECE", NULL, "Earpiece PGA"},
1480 {"PREDRIVEL", NULL, "PredriveL PGA"},
1481 {"PREDRIVER", NULL, "PredriveR PGA"},
1482 {"HSOL", NULL, "HeadsetL PGA"},
1483 {"HSOR", NULL, "HeadsetR PGA"},
1484 {"CARKITL", NULL, "CarkitL PGA"},
1485 {"CARKITR", NULL, "CarkitR PGA"},
1486 {"HFL", NULL, "HandsfreeL PGA"},
1487 {"HFR", NULL, "HandsfreeR PGA"},
1488 {"Vibra Route", "Audio", "Vibra Mux"},
1489 {"VIBRA", NULL, "Vibra Route"},
1492 /* Must be always connected (for AIF and APLL) */
1493 {"ADC Virtual Left1", NULL, "Virtual HiFi IN"},
1494 {"ADC Virtual Right1", NULL, "Virtual HiFi IN"},
1495 {"ADC Virtual Left2", NULL, "Virtual HiFi IN"},
1496 {"ADC Virtual Right2", NULL, "Virtual HiFi IN"},
1497 /* Physical inputs */
1498 {"Analog Left", "Main Mic Capture Switch", "MAINMIC"},
1499 {"Analog Left", "Headset Mic Capture Switch", "HSMIC"},
1500 {"Analog Left", "AUXL Capture Switch", "AUXL"},
1501 {"Analog Left", "Carkit Mic Capture Switch", "CARKITMIC"},
1503 {"Analog Right", "Sub Mic Capture Switch", "SUBMIC"},
1504 {"Analog Right", "AUXR Capture Switch", "AUXR"},
1506 {"ADC Physical Left", NULL, "Analog Left"},
1507 {"ADC Physical Right", NULL, "Analog Right"},
1509 {"Digimic0 Enable", NULL, "DIGIMIC0"},
1510 {"Digimic1 Enable", NULL, "DIGIMIC1"},
1512 {"DIGIMIC0", NULL, "micbias1 select"},
1513 {"DIGIMIC1", NULL, "micbias2 select"},
1515 /* TX1 Left capture path */
1516 {"TX1 Capture Route", "Analog", "ADC Physical Left"},
1517 {"TX1 Capture Route", "Digimic0", "Digimic0 Enable"},
1518 /* TX1 Right capture path */
1519 {"TX1 Capture Route", "Analog", "ADC Physical Right"},
1520 {"TX1 Capture Route", "Digimic0", "Digimic0 Enable"},
1521 /* TX2 Left capture path */
1522 {"TX2 Capture Route", "Analog", "ADC Physical Left"},
1523 {"TX2 Capture Route", "Digimic1", "Digimic1 Enable"},
1524 /* TX2 Right capture path */
1525 {"TX2 Capture Route", "Analog", "ADC Physical Right"},
1526 {"TX2 Capture Route", "Digimic1", "Digimic1 Enable"},
1528 {"ADC Virtual Left1", NULL, "TX1 Capture Route"},
1529 {"ADC Virtual Right1", NULL, "TX1 Capture Route"},
1530 {"ADC Virtual Left2", NULL, "TX2 Capture Route"},
1531 {"ADC Virtual Right2", NULL, "TX2 Capture Route"},
1533 {"ADC Virtual Left1", NULL, "AIF Enable"},
1534 {"ADC Virtual Right1", NULL, "AIF Enable"},
1535 {"ADC Virtual Left2", NULL, "AIF Enable"},
1536 {"ADC Virtual Right2", NULL, "AIF Enable"},
1538 /* Analog bypass routes */
1539 {"Right1 Analog Loopback", "Switch", "Analog Right"},
1540 {"Left1 Analog Loopback", "Switch", "Analog Left"},
1541 {"Right2 Analog Loopback", "Switch", "Analog Right"},
1542 {"Left2 Analog Loopback", "Switch", "Analog Left"},
1543 {"Voice Analog Loopback", "Switch", "Analog Left"},
1545 /* Supply for the Analog loopbacks */
1546 {"Right1 Analog Loopback", NULL, "FM Loop Enable"},
1547 {"Left1 Analog Loopback", NULL, "FM Loop Enable"},
1548 {"Right2 Analog Loopback", NULL, "FM Loop Enable"},
1549 {"Left2 Analog Loopback", NULL, "FM Loop Enable"},
1550 {"Voice Analog Loopback", NULL, "FM Loop Enable"},
1552 {"Analog R1 Playback Mixer", NULL, "Right1 Analog Loopback"},
1553 {"Analog L1 Playback Mixer", NULL, "Left1 Analog Loopback"},
1554 {"Analog R2 Playback Mixer", NULL, "Right2 Analog Loopback"},
1555 {"Analog L2 Playback Mixer", NULL, "Left2 Analog Loopback"},
1556 {"Analog Voice Playback Mixer", NULL, "Voice Analog Loopback"},
1558 /* Digital bypass routes */
1559 {"Right Digital Loopback", "Volume", "TX1 Capture Route"},
1560 {"Left Digital Loopback", "Volume", "TX1 Capture Route"},
1561 {"Voice Digital Loopback", "Volume", "TX2 Capture Route"},
1563 {"Digital R2 Playback Mixer", NULL, "Right Digital Loopback"},
1564 {"Digital L2 Playback Mixer", NULL, "Left Digital Loopback"},
1565 {"Digital Voice Playback Mixer", NULL, "Voice Digital Loopback"},
1569 static int twl4030_set_bias_level(struct snd_soc_codec *codec,
1570 enum snd_soc_bias_level level)
1573 case SND_SOC_BIAS_ON:
1575 case SND_SOC_BIAS_PREPARE:
1577 case SND_SOC_BIAS_STANDBY:
1578 if (codec->dapm.bias_level == SND_SOC_BIAS_OFF)
1579 twl4030_codec_enable(codec, 1);
1581 case SND_SOC_BIAS_OFF:
1582 twl4030_codec_enable(codec, 0);
1585 codec->dapm.bias_level = level;
1590 static void twl4030_constraints(struct twl4030_priv *twl4030,
1591 struct snd_pcm_substream *mst_substream)
1593 struct snd_pcm_substream *slv_substream;
1595 /* Pick the stream, which need to be constrained */
1596 if (mst_substream == twl4030->master_substream)
1597 slv_substream = twl4030->slave_substream;
1598 else if (mst_substream == twl4030->slave_substream)
1599 slv_substream = twl4030->master_substream;
1600 else /* This should not happen.. */
1603 /* Set the constraints according to the already configured stream */
1604 snd_pcm_hw_constraint_minmax(slv_substream->runtime,
1605 SNDRV_PCM_HW_PARAM_RATE,
1609 snd_pcm_hw_constraint_minmax(slv_substream->runtime,
1610 SNDRV_PCM_HW_PARAM_SAMPLE_BITS,
1611 twl4030->sample_bits,
1612 twl4030->sample_bits);
1614 snd_pcm_hw_constraint_minmax(slv_substream->runtime,
1615 SNDRV_PCM_HW_PARAM_CHANNELS,
1620 /* In case of 4 channel mode, the RX1 L/R for playback and the TX2 L/R for
1621 * capture has to be enabled/disabled. */
1622 static void twl4030_tdm_enable(struct snd_soc_codec *codec, int direction,
1627 reg = twl4030_read(codec, TWL4030_REG_OPTION);
1629 if (direction == SNDRV_PCM_STREAM_PLAYBACK)
1630 mask = TWL4030_ARXL1_VRX_EN | TWL4030_ARXR1_EN;
1632 mask = TWL4030_ATXL2_VTXL_EN | TWL4030_ATXR2_VTXR_EN;
1639 twl4030_write(codec, TWL4030_REG_OPTION, reg);
1642 static int twl4030_startup(struct snd_pcm_substream *substream,
1643 struct snd_soc_dai *dai)
1645 struct snd_soc_codec *codec = dai->codec;
1646 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
1648 if (twl4030->master_substream) {
1649 twl4030->slave_substream = substream;
1650 /* The DAI has one configuration for playback and capture, so
1651 * if the DAI has been already configured then constrain this
1652 * substream to match it. */
1653 if (twl4030->configured)
1654 twl4030_constraints(twl4030, twl4030->master_substream);
1656 if (!(twl4030_read(codec, TWL4030_REG_CODEC_MODE) &
1657 TWL4030_OPTION_1)) {
1658 /* In option2 4 channel is not supported, set the
1659 * constraint for the first stream for channels, the
1660 * second stream will 'inherit' this cosntraint */
1661 snd_pcm_hw_constraint_minmax(substream->runtime,
1662 SNDRV_PCM_HW_PARAM_CHANNELS,
1665 twl4030->master_substream = substream;
1671 static void twl4030_shutdown(struct snd_pcm_substream *substream,
1672 struct snd_soc_dai *dai)
1674 struct snd_soc_codec *codec = dai->codec;
1675 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
1677 if (twl4030->master_substream == substream)
1678 twl4030->master_substream = twl4030->slave_substream;
1680 twl4030->slave_substream = NULL;
1682 /* If all streams are closed, or the remaining stream has not yet
1683 * been configured than set the DAI as not configured. */
1684 if (!twl4030->master_substream)
1685 twl4030->configured = 0;
1686 else if (!twl4030->master_substream->runtime->channels)
1687 twl4030->configured = 0;
1689 /* If the closing substream had 4 channel, do the necessary cleanup */
1690 if (substream->runtime->channels == 4)
1691 twl4030_tdm_enable(codec, substream->stream, 0);
1694 static int twl4030_hw_params(struct snd_pcm_substream *substream,
1695 struct snd_pcm_hw_params *params,
1696 struct snd_soc_dai *dai)
1698 struct snd_soc_codec *codec = dai->codec;
1699 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
1700 u8 mode, old_mode, format, old_format;
1702 /* If the substream has 4 channel, do the necessary setup */
1703 if (params_channels(params) == 4) {
1704 format = twl4030_read(codec, TWL4030_REG_AUDIO_IF);
1705 mode = twl4030_read(codec, TWL4030_REG_CODEC_MODE);
1707 /* Safety check: are we in the correct operating mode and
1708 * the interface is in TDM mode? */
1709 if ((mode & TWL4030_OPTION_1) &&
1710 ((format & TWL4030_AIF_FORMAT) == TWL4030_AIF_FORMAT_TDM))
1711 twl4030_tdm_enable(codec, substream->stream, 1);
1716 if (twl4030->configured)
1717 /* Ignoring hw_params for already configured DAI */
1721 old_mode = twl4030_read(codec,
1722 TWL4030_REG_CODEC_MODE) & ~TWL4030_CODECPDZ;
1723 mode = old_mode & ~TWL4030_APLL_RATE;
1725 switch (params_rate(params)) {
1727 mode |= TWL4030_APLL_RATE_8000;
1730 mode |= TWL4030_APLL_RATE_11025;
1733 mode |= TWL4030_APLL_RATE_12000;
1736 mode |= TWL4030_APLL_RATE_16000;
1739 mode |= TWL4030_APLL_RATE_22050;
1742 mode |= TWL4030_APLL_RATE_24000;
1745 mode |= TWL4030_APLL_RATE_32000;
1748 mode |= TWL4030_APLL_RATE_44100;
1751 mode |= TWL4030_APLL_RATE_48000;
1754 mode |= TWL4030_APLL_RATE_96000;
1757 dev_err(codec->dev, "%s: unknown rate %d\n", __func__,
1758 params_rate(params));
1763 old_format = twl4030_read(codec, TWL4030_REG_AUDIO_IF);
1764 format = old_format;
1765 format &= ~TWL4030_DATA_WIDTH;
1766 switch (params_width(params)) {
1768 format |= TWL4030_DATA_WIDTH_16S_16W;
1771 format |= TWL4030_DATA_WIDTH_32S_24W;
1774 dev_err(codec->dev, "%s: unsupported bits/sample %d\n",
1775 __func__, params_width(params));
1779 if (format != old_format || mode != old_mode) {
1780 if (twl4030->codec_powered) {
1782 * If the codec is powered, than we need to toggle the
1785 twl4030_codec_enable(codec, 0);
1786 twl4030_write(codec, TWL4030_REG_CODEC_MODE, mode);
1787 twl4030_write(codec, TWL4030_REG_AUDIO_IF, format);
1788 twl4030_codec_enable(codec, 1);
1790 twl4030_write(codec, TWL4030_REG_CODEC_MODE, mode);
1791 twl4030_write(codec, TWL4030_REG_AUDIO_IF, format);
1795 /* Store the important parameters for the DAI configuration and set
1796 * the DAI as configured */
1797 twl4030->configured = 1;
1798 twl4030->rate = params_rate(params);
1799 twl4030->sample_bits = hw_param_interval(params,
1800 SNDRV_PCM_HW_PARAM_SAMPLE_BITS)->min;
1801 twl4030->channels = params_channels(params);
1803 /* If both playback and capture streams are open, and one of them
1804 * is setting the hw parameters right now (since we are here), set
1805 * constraints to the other stream to match the current one. */
1806 if (twl4030->slave_substream)
1807 twl4030_constraints(twl4030, substream);
1812 static int twl4030_set_dai_sysclk(struct snd_soc_dai *codec_dai, int clk_id,
1813 unsigned int freq, int dir)
1815 struct snd_soc_codec *codec = codec_dai->codec;
1816 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
1824 dev_err(codec->dev, "Unsupported HFCLKIN: %u\n", freq);
1828 if ((freq / 1000) != twl4030->sysclk) {
1830 "Mismatch in HFCLKIN: %u (configured: %u)\n",
1831 freq, twl4030->sysclk * 1000);
1838 static int twl4030_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
1840 struct snd_soc_codec *codec = codec_dai->codec;
1841 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
1842 u8 old_format, format;
1845 old_format = twl4030_read(codec, TWL4030_REG_AUDIO_IF);
1846 format = old_format;
1848 /* set master/slave audio interface */
1849 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1850 case SND_SOC_DAIFMT_CBM_CFM:
1851 format &= ~(TWL4030_AIF_SLAVE_EN);
1852 format &= ~(TWL4030_CLK256FS_EN);
1854 case SND_SOC_DAIFMT_CBS_CFS:
1855 format |= TWL4030_AIF_SLAVE_EN;
1856 format |= TWL4030_CLK256FS_EN;
1862 /* interface format */
1863 format &= ~TWL4030_AIF_FORMAT;
1864 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1865 case SND_SOC_DAIFMT_I2S:
1866 format |= TWL4030_AIF_FORMAT_CODEC;
1868 case SND_SOC_DAIFMT_DSP_A:
1869 format |= TWL4030_AIF_FORMAT_TDM;
1875 if (format != old_format) {
1876 if (twl4030->codec_powered) {
1878 * If the codec is powered, than we need to toggle the
1881 twl4030_codec_enable(codec, 0);
1882 twl4030_write(codec, TWL4030_REG_AUDIO_IF, format);
1883 twl4030_codec_enable(codec, 1);
1885 twl4030_write(codec, TWL4030_REG_AUDIO_IF, format);
1892 static int twl4030_set_tristate(struct snd_soc_dai *dai, int tristate)
1894 struct snd_soc_codec *codec = dai->codec;
1895 u8 reg = twl4030_read(codec, TWL4030_REG_AUDIO_IF);
1898 reg |= TWL4030_AIF_TRI_EN;
1900 reg &= ~TWL4030_AIF_TRI_EN;
1902 return twl4030_write(codec, TWL4030_REG_AUDIO_IF, reg);
1905 /* In case of voice mode, the RX1 L(VRX) for downlink and the TX2 L/R
1906 * (VTXL, VTXR) for uplink has to be enabled/disabled. */
1907 static void twl4030_voice_enable(struct snd_soc_codec *codec, int direction,
1912 reg = twl4030_read(codec, TWL4030_REG_OPTION);
1914 if (direction == SNDRV_PCM_STREAM_PLAYBACK)
1915 mask = TWL4030_ARXL1_VRX_EN;
1917 mask = TWL4030_ATXL2_VTXL_EN | TWL4030_ATXR2_VTXR_EN;
1924 twl4030_write(codec, TWL4030_REG_OPTION, reg);
1927 static int twl4030_voice_startup(struct snd_pcm_substream *substream,
1928 struct snd_soc_dai *dai)
1930 struct snd_soc_codec *codec = dai->codec;
1931 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
1934 /* If the system master clock is not 26MHz, the voice PCM interface is
1937 if (twl4030->sysclk != 26000) {
1939 "%s: HFCLKIN is %u KHz, voice interface needs 26MHz\n",
1940 __func__, twl4030->sysclk);
1944 /* If the codec mode is not option2, the voice PCM interface is not
1947 mode = twl4030_read(codec, TWL4030_REG_CODEC_MODE)
1950 if (mode != TWL4030_OPTION_2) {
1951 dev_err(codec->dev, "%s: the codec mode is not option2\n",
1959 static void twl4030_voice_shutdown(struct snd_pcm_substream *substream,
1960 struct snd_soc_dai *dai)
1962 struct snd_soc_codec *codec = dai->codec;
1964 /* Enable voice digital filters */
1965 twl4030_voice_enable(codec, substream->stream, 0);
1968 static int twl4030_voice_hw_params(struct snd_pcm_substream *substream,
1969 struct snd_pcm_hw_params *params,
1970 struct snd_soc_dai *dai)
1972 struct snd_soc_codec *codec = dai->codec;
1973 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
1976 /* Enable voice digital filters */
1977 twl4030_voice_enable(codec, substream->stream, 1);
1980 old_mode = twl4030_read(codec,
1981 TWL4030_REG_CODEC_MODE) & ~TWL4030_CODECPDZ;
1984 switch (params_rate(params)) {
1986 mode &= ~(TWL4030_SEL_16K);
1989 mode |= TWL4030_SEL_16K;
1992 dev_err(codec->dev, "%s: unknown rate %d\n", __func__,
1993 params_rate(params));
1997 if (mode != old_mode) {
1998 if (twl4030->codec_powered) {
2000 * If the codec is powered, than we need to toggle the
2003 twl4030_codec_enable(codec, 0);
2004 twl4030_write(codec, TWL4030_REG_CODEC_MODE, mode);
2005 twl4030_codec_enable(codec, 1);
2007 twl4030_write(codec, TWL4030_REG_CODEC_MODE, mode);
2014 static int twl4030_voice_set_dai_sysclk(struct snd_soc_dai *codec_dai,
2015 int clk_id, unsigned int freq, int dir)
2017 struct snd_soc_codec *codec = codec_dai->codec;
2018 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
2020 if (freq != 26000000) {
2022 "%s: HFCLKIN is %u KHz, voice interface needs 26MHz\n",
2023 __func__, freq / 1000);
2026 if ((freq / 1000) != twl4030->sysclk) {
2028 "Mismatch in HFCLKIN: %u (configured: %u)\n",
2029 freq, twl4030->sysclk * 1000);
2035 static int twl4030_voice_set_dai_fmt(struct snd_soc_dai *codec_dai,
2038 struct snd_soc_codec *codec = codec_dai->codec;
2039 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
2040 u8 old_format, format;
2043 old_format = twl4030_read(codec, TWL4030_REG_VOICE_IF);
2044 format = old_format;
2046 /* set master/slave audio interface */
2047 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
2048 case SND_SOC_DAIFMT_CBM_CFM:
2049 format &= ~(TWL4030_VIF_SLAVE_EN);
2051 case SND_SOC_DAIFMT_CBS_CFS:
2052 format |= TWL4030_VIF_SLAVE_EN;
2058 /* clock inversion */
2059 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
2060 case SND_SOC_DAIFMT_IB_NF:
2061 format &= ~(TWL4030_VIF_FORMAT);
2063 case SND_SOC_DAIFMT_NB_IF:
2064 format |= TWL4030_VIF_FORMAT;
2070 if (format != old_format) {
2071 if (twl4030->codec_powered) {
2073 * If the codec is powered, than we need to toggle the
2076 twl4030_codec_enable(codec, 0);
2077 twl4030_write(codec, TWL4030_REG_VOICE_IF, format);
2078 twl4030_codec_enable(codec, 1);
2080 twl4030_write(codec, TWL4030_REG_VOICE_IF, format);
2087 static int twl4030_voice_set_tristate(struct snd_soc_dai *dai, int tristate)
2089 struct snd_soc_codec *codec = dai->codec;
2090 u8 reg = twl4030_read(codec, TWL4030_REG_VOICE_IF);
2093 reg |= TWL4030_VIF_TRI_EN;
2095 reg &= ~TWL4030_VIF_TRI_EN;
2097 return twl4030_write(codec, TWL4030_REG_VOICE_IF, reg);
2100 #define TWL4030_RATES (SNDRV_PCM_RATE_8000_48000)
2101 #define TWL4030_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)
2103 static const struct snd_soc_dai_ops twl4030_dai_hifi_ops = {
2104 .startup = twl4030_startup,
2105 .shutdown = twl4030_shutdown,
2106 .hw_params = twl4030_hw_params,
2107 .set_sysclk = twl4030_set_dai_sysclk,
2108 .set_fmt = twl4030_set_dai_fmt,
2109 .set_tristate = twl4030_set_tristate,
2112 static const struct snd_soc_dai_ops twl4030_dai_voice_ops = {
2113 .startup = twl4030_voice_startup,
2114 .shutdown = twl4030_voice_shutdown,
2115 .hw_params = twl4030_voice_hw_params,
2116 .set_sysclk = twl4030_voice_set_dai_sysclk,
2117 .set_fmt = twl4030_voice_set_dai_fmt,
2118 .set_tristate = twl4030_voice_set_tristate,
2121 static struct snd_soc_dai_driver twl4030_dai[] = {
2123 .name = "twl4030-hifi",
2125 .stream_name = "HiFi Playback",
2128 .rates = TWL4030_RATES | SNDRV_PCM_RATE_96000,
2129 .formats = TWL4030_FORMATS,
2132 .stream_name = "HiFi Capture",
2135 .rates = TWL4030_RATES,
2136 .formats = TWL4030_FORMATS,
2138 .ops = &twl4030_dai_hifi_ops,
2141 .name = "twl4030-voice",
2143 .stream_name = "Voice Playback",
2146 .rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000,
2147 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
2149 .stream_name = "Voice Capture",
2152 .rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000,
2153 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
2154 .ops = &twl4030_dai_voice_ops,
2158 static int twl4030_soc_probe(struct snd_soc_codec *codec)
2160 struct twl4030_priv *twl4030;
2162 twl4030 = devm_kzalloc(codec->dev, sizeof(struct twl4030_priv),
2166 snd_soc_codec_set_drvdata(codec, twl4030);
2167 /* Set the defaults, and power up the codec */
2168 twl4030->sysclk = twl4030_audio_get_mclk() / 1000;
2170 twl4030_init_chip(codec);
2175 static int twl4030_soc_remove(struct snd_soc_codec *codec)
2177 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
2178 struct twl4030_codec_data *pdata = twl4030->pdata;
2180 twl4030_set_bias_level(codec, SND_SOC_BIAS_OFF);
2182 if (pdata && pdata->hs_extmute && gpio_is_valid(pdata->hs_extmute_gpio))
2183 gpio_free(pdata->hs_extmute_gpio);
2188 static struct snd_soc_codec_driver soc_codec_dev_twl4030 = {
2189 .probe = twl4030_soc_probe,
2190 .remove = twl4030_soc_remove,
2191 .read = twl4030_read,
2192 .write = twl4030_write,
2193 .set_bias_level = twl4030_set_bias_level,
2194 .idle_bias_off = true,
2196 .controls = twl4030_snd_controls,
2197 .num_controls = ARRAY_SIZE(twl4030_snd_controls),
2198 .dapm_widgets = twl4030_dapm_widgets,
2199 .num_dapm_widgets = ARRAY_SIZE(twl4030_dapm_widgets),
2200 .dapm_routes = intercon,
2201 .num_dapm_routes = ARRAY_SIZE(intercon),
2204 static int twl4030_codec_probe(struct platform_device *pdev)
2206 return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_twl4030,
2207 twl4030_dai, ARRAY_SIZE(twl4030_dai));
2210 static int twl4030_codec_remove(struct platform_device *pdev)
2212 snd_soc_unregister_codec(&pdev->dev);
2216 MODULE_ALIAS("platform:twl4030-codec");
2218 static struct platform_driver twl4030_codec_driver = {
2219 .probe = twl4030_codec_probe,
2220 .remove = twl4030_codec_remove,
2222 .name = "twl4030-codec",
2223 .owner = THIS_MODULE,
2227 module_platform_driver(twl4030_codec_driver);
2229 MODULE_DESCRIPTION("ASoC TWL4030 codec driver");
2230 MODULE_AUTHOR("Steve Sakoman");
2231 MODULE_LICENSE("GPL");