1 // SPDX-License-Identifier: GPL-2.0-only
3 * ALSA SoC TWL4030 codec driver
5 * Author: Steve Sakoman, <steve@sakoman.com>
8 #include <linux/module.h>
9 #include <linux/moduleparam.h>
10 #include <linux/init.h>
11 #include <linux/delay.h>
13 #include <linux/i2c.h>
14 #include <linux/platform_device.h>
16 #include <linux/of_gpio.h>
17 #include <linux/mfd/twl.h>
18 #include <linux/slab.h>
19 #include <linux/gpio.h>
20 #include <sound/core.h>
21 #include <sound/pcm.h>
22 #include <sound/pcm_params.h>
23 #include <sound/soc.h>
24 #include <sound/initval.h>
25 #include <sound/tlv.h>
27 /* Register descriptions are here */
28 #include <linux/mfd/twl4030-audio.h>
30 /* TWL4030 PMBR1 Register */
31 #define TWL4030_PMBR1_REG 0x0D
32 /* TWL4030 PMBR1 Register GPIO6 mux bits */
33 #define TWL4030_GPIO6_PWM0_MUTE(value) ((value & 0x03) << 2)
35 #define TWL4030_CACHEREGNUM (TWL4030_REG_MISC_SET_2 + 1)
37 struct twl4030_board_params
{
38 unsigned int digimic_delay
; /* in ms */
39 unsigned int ramp_delay_value
;
40 unsigned int offset_cncl_path
;
41 unsigned int hs_extmute
:1;
45 /* codec private data */
47 unsigned int codec_powered
;
49 /* reference counts of AIF/APLL users */
50 unsigned int apll_enabled
;
52 struct snd_pcm_substream
*master_substream
;
53 struct snd_pcm_substream
*slave_substream
;
55 unsigned int configured
;
57 unsigned int sample_bits
;
58 unsigned int channels
;
62 /* Output (with associated amp) states */
63 u8 hsl_enabled
, hsr_enabled
;
65 u8 predrivel_enabled
, predriver_enabled
;
66 u8 carkitl_enabled
, carkitr_enabled
;
67 u8 ctl_cache
[TWL4030_REG_PRECKR_CTL
- TWL4030_REG_EAR_CTL
+ 1];
69 struct twl4030_board_params
*board_params
;
72 static void tw4030_init_ctl_cache(struct twl4030_priv
*twl4030
)
77 for (i
= TWL4030_REG_EAR_CTL
; i
<= TWL4030_REG_PRECKR_CTL
; i
++) {
78 twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE
, &byte
, i
);
79 twl4030
->ctl_cache
[i
- TWL4030_REG_EAR_CTL
] = byte
;
83 static unsigned int twl4030_read(struct snd_soc_component
*component
, unsigned int reg
)
85 struct twl4030_priv
*twl4030
= snd_soc_component_get_drvdata(component
);
88 if (reg
>= TWL4030_CACHEREGNUM
)
92 case TWL4030_REG_EAR_CTL
:
93 case TWL4030_REG_PREDL_CTL
:
94 case TWL4030_REG_PREDR_CTL
:
95 case TWL4030_REG_PRECKL_CTL
:
96 case TWL4030_REG_PRECKR_CTL
:
97 case TWL4030_REG_HS_GAIN_SET
:
98 value
= twl4030
->ctl_cache
[reg
- TWL4030_REG_EAR_CTL
];
101 twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE
, &value
, reg
);
108 static bool twl4030_can_write_to_chip(struct twl4030_priv
*twl4030
,
111 bool write_to_reg
= false;
113 /* Decide if the given register can be written */
115 case TWL4030_REG_EAR_CTL
:
116 if (twl4030
->earpiece_enabled
)
119 case TWL4030_REG_PREDL_CTL
:
120 if (twl4030
->predrivel_enabled
)
123 case TWL4030_REG_PREDR_CTL
:
124 if (twl4030
->predriver_enabled
)
127 case TWL4030_REG_PRECKL_CTL
:
128 if (twl4030
->carkitl_enabled
)
131 case TWL4030_REG_PRECKR_CTL
:
132 if (twl4030
->carkitr_enabled
)
135 case TWL4030_REG_HS_GAIN_SET
:
136 if (twl4030
->hsl_enabled
|| twl4030
->hsr_enabled
)
140 /* All other register can be written */
148 static int twl4030_write(struct snd_soc_component
*component
, unsigned int reg
,
151 struct twl4030_priv
*twl4030
= snd_soc_component_get_drvdata(component
);
153 /* Update the ctl cache */
155 case TWL4030_REG_EAR_CTL
:
156 case TWL4030_REG_PREDL_CTL
:
157 case TWL4030_REG_PREDR_CTL
:
158 case TWL4030_REG_PRECKL_CTL
:
159 case TWL4030_REG_PRECKR_CTL
:
160 case TWL4030_REG_HS_GAIN_SET
:
161 twl4030
->ctl_cache
[reg
- TWL4030_REG_EAR_CTL
] = value
;
167 if (twl4030_can_write_to_chip(twl4030
, reg
))
168 return twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE
, value
, reg
);
173 static inline void twl4030_wait_ms(int time
)
177 usleep_range(time
, time
+ 500);
183 static void twl4030_codec_enable(struct snd_soc_component
*component
, int enable
)
185 struct twl4030_priv
*twl4030
= snd_soc_component_get_drvdata(component
);
188 if (enable
== twl4030
->codec_powered
)
192 mode
= twl4030_audio_enable_resource(TWL4030_AUDIO_RES_POWER
);
194 mode
= twl4030_audio_disable_resource(TWL4030_AUDIO_RES_POWER
);
197 twl4030
->codec_powered
= enable
;
199 /* REVISIT: this delay is present in TI sample drivers */
200 /* but there seems to be no TRM requirement for it */
205 twl4030_get_board_param_values(struct twl4030_board_params
*board_params
,
206 struct device_node
*node
)
210 of_property_read_u32(node
, "ti,digimic_delay", &board_params
->digimic_delay
);
211 of_property_read_u32(node
, "ti,ramp_delay_value", &board_params
->ramp_delay_value
);
212 of_property_read_u32(node
, "ti,offset_cncl_path", &board_params
->offset_cncl_path
);
213 if (!of_property_read_u32(node
, "ti,hs_extmute", &value
))
214 board_params
->hs_extmute
= value
;
216 board_params
->hs_extmute_gpio
= of_get_named_gpio(node
, "ti,hs_extmute_gpio", 0);
217 if (gpio_is_valid(board_params
->hs_extmute_gpio
))
218 board_params
->hs_extmute
= 1;
221 static struct twl4030_board_params
*
222 twl4030_get_board_params(struct snd_soc_component
*component
)
224 struct twl4030_board_params
*board_params
= NULL
;
225 struct device_node
*twl4030_codec_node
= NULL
;
227 twl4030_codec_node
= of_get_child_by_name(component
->dev
->parent
->of_node
,
230 if (twl4030_codec_node
) {
231 board_params
= devm_kzalloc(component
->dev
,
232 sizeof(struct twl4030_board_params
),
235 of_node_put(twl4030_codec_node
);
238 twl4030_get_board_param_values(board_params
, twl4030_codec_node
);
239 of_node_put(twl4030_codec_node
);
245 static void twl4030_init_chip(struct snd_soc_component
*component
)
247 struct twl4030_board_params
*board_params
;
248 struct twl4030_priv
*twl4030
= snd_soc_component_get_drvdata(component
);
252 board_params
= twl4030_get_board_params(component
);
254 if (board_params
&& board_params
->hs_extmute
) {
255 if (gpio_is_valid(board_params
->hs_extmute_gpio
)) {
258 if (!board_params
->hs_extmute_gpio
)
259 dev_warn(component
->dev
,
260 "Extmute GPIO is 0 is this correct?\n");
262 ret
= gpio_request_one(board_params
->hs_extmute_gpio
,
266 dev_err(component
->dev
,
267 "Failed to get hs_extmute GPIO\n");
268 board_params
->hs_extmute_gpio
= -1;
273 /* Set TWL4030 GPIO6 as EXTMUTE signal */
274 twl_i2c_read_u8(TWL4030_MODULE_INTBR
, &pin_mux
,
276 pin_mux
&= ~TWL4030_GPIO6_PWM0_MUTE(0x03);
277 pin_mux
|= TWL4030_GPIO6_PWM0_MUTE(0x02);
278 twl_i2c_write_u8(TWL4030_MODULE_INTBR
, pin_mux
,
283 /* Initialize the local ctl register cache */
284 tw4030_init_ctl_cache(twl4030
);
286 /* anti-pop when changing analog gain */
287 reg
= twl4030_read(component
, TWL4030_REG_MISC_SET_1
);
288 twl4030_write(component
, TWL4030_REG_MISC_SET_1
,
289 reg
| TWL4030_SMOOTH_ANAVOL_EN
);
291 twl4030_write(component
, TWL4030_REG_OPTION
,
292 TWL4030_ATXL1_EN
| TWL4030_ATXR1_EN
|
293 TWL4030_ARXL2_EN
| TWL4030_ARXR2_EN
);
295 /* REG_ARXR2_APGA_CTL reset according to the TRM: 0dB, DA_EN */
296 twl4030_write(component
, TWL4030_REG_ARXR2_APGA_CTL
, 0x32);
298 /* Machine dependent setup */
302 twl4030
->board_params
= board_params
;
304 reg
= twl4030_read(component
, TWL4030_REG_HS_POPN_SET
);
305 reg
&= ~TWL4030_RAMP_DELAY
;
306 reg
|= (board_params
->ramp_delay_value
<< 2);
307 twl4030_write(component
, TWL4030_REG_HS_POPN_SET
, reg
);
309 /* initiate offset cancellation */
310 twl4030_codec_enable(component
, 1);
312 reg
= twl4030_read(component
, TWL4030_REG_ANAMICL
);
313 reg
&= ~TWL4030_OFFSET_CNCL_SEL
;
314 reg
|= board_params
->offset_cncl_path
;
315 twl4030_write(component
, TWL4030_REG_ANAMICL
,
316 reg
| TWL4030_CNCL_OFFSET_START
);
319 * Wait for offset cancellation to complete.
320 * Since this takes a while, do not slam the i2c.
321 * Start polling the status after ~20ms.
325 usleep_range(1000, 2000);
326 twl_set_regcache_bypass(TWL4030_MODULE_AUDIO_VOICE
, true);
327 twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE
, &byte
,
328 TWL4030_REG_ANAMICL
);
329 twl_set_regcache_bypass(TWL4030_MODULE_AUDIO_VOICE
, false);
330 } while ((i
++ < 100) &&
331 ((byte
& TWL4030_CNCL_OFFSET_START
) ==
332 TWL4030_CNCL_OFFSET_START
));
334 twl4030_codec_enable(component
, 0);
337 static void twl4030_apll_enable(struct snd_soc_component
*component
, int enable
)
339 struct twl4030_priv
*twl4030
= snd_soc_component_get_drvdata(component
);
342 twl4030
->apll_enabled
++;
343 if (twl4030
->apll_enabled
== 1)
344 twl4030_audio_enable_resource(
345 TWL4030_AUDIO_RES_APLL
);
347 twl4030
->apll_enabled
--;
348 if (!twl4030
->apll_enabled
)
349 twl4030_audio_disable_resource(
350 TWL4030_AUDIO_RES_APLL
);
355 static const struct snd_kcontrol_new twl4030_dapm_earpiece_controls
[] = {
356 SOC_DAPM_SINGLE("Voice", TWL4030_REG_EAR_CTL
, 0, 1, 0),
357 SOC_DAPM_SINGLE("AudioL1", TWL4030_REG_EAR_CTL
, 1, 1, 0),
358 SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_EAR_CTL
, 2, 1, 0),
359 SOC_DAPM_SINGLE("AudioR1", TWL4030_REG_EAR_CTL
, 3, 1, 0),
363 static const struct snd_kcontrol_new twl4030_dapm_predrivel_controls
[] = {
364 SOC_DAPM_SINGLE("Voice", TWL4030_REG_PREDL_CTL
, 0, 1, 0),
365 SOC_DAPM_SINGLE("AudioL1", TWL4030_REG_PREDL_CTL
, 1, 1, 0),
366 SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_PREDL_CTL
, 2, 1, 0),
367 SOC_DAPM_SINGLE("AudioR2", TWL4030_REG_PREDL_CTL
, 3, 1, 0),
371 static const struct snd_kcontrol_new twl4030_dapm_predriver_controls
[] = {
372 SOC_DAPM_SINGLE("Voice", TWL4030_REG_PREDR_CTL
, 0, 1, 0),
373 SOC_DAPM_SINGLE("AudioR1", TWL4030_REG_PREDR_CTL
, 1, 1, 0),
374 SOC_DAPM_SINGLE("AudioR2", TWL4030_REG_PREDR_CTL
, 2, 1, 0),
375 SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_PREDR_CTL
, 3, 1, 0),
379 static const struct snd_kcontrol_new twl4030_dapm_hsol_controls
[] = {
380 SOC_DAPM_SINGLE("Voice", TWL4030_REG_HS_SEL
, 0, 1, 0),
381 SOC_DAPM_SINGLE("AudioL1", TWL4030_REG_HS_SEL
, 1, 1, 0),
382 SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_HS_SEL
, 2, 1, 0),
386 static const struct snd_kcontrol_new twl4030_dapm_hsor_controls
[] = {
387 SOC_DAPM_SINGLE("Voice", TWL4030_REG_HS_SEL
, 3, 1, 0),
388 SOC_DAPM_SINGLE("AudioR1", TWL4030_REG_HS_SEL
, 4, 1, 0),
389 SOC_DAPM_SINGLE("AudioR2", TWL4030_REG_HS_SEL
, 5, 1, 0),
393 static const struct snd_kcontrol_new twl4030_dapm_carkitl_controls
[] = {
394 SOC_DAPM_SINGLE("Voice", TWL4030_REG_PRECKL_CTL
, 0, 1, 0),
395 SOC_DAPM_SINGLE("AudioL1", TWL4030_REG_PRECKL_CTL
, 1, 1, 0),
396 SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_PRECKL_CTL
, 2, 1, 0),
400 static const struct snd_kcontrol_new twl4030_dapm_carkitr_controls
[] = {
401 SOC_DAPM_SINGLE("Voice", TWL4030_REG_PRECKR_CTL
, 0, 1, 0),
402 SOC_DAPM_SINGLE("AudioR1", TWL4030_REG_PRECKR_CTL
, 1, 1, 0),
403 SOC_DAPM_SINGLE("AudioR2", TWL4030_REG_PRECKR_CTL
, 2, 1, 0),
407 static const char *twl4030_handsfreel_texts
[] =
408 {"Voice", "AudioL1", "AudioL2", "AudioR2"};
410 static SOC_ENUM_SINGLE_DECL(twl4030_handsfreel_enum
,
411 TWL4030_REG_HFL_CTL
, 0,
412 twl4030_handsfreel_texts
);
414 static const struct snd_kcontrol_new twl4030_dapm_handsfreel_control
=
415 SOC_DAPM_ENUM("Route", twl4030_handsfreel_enum
);
417 /* Handsfree Left virtual mute */
418 static const struct snd_kcontrol_new twl4030_dapm_handsfreelmute_control
=
419 SOC_DAPM_SINGLE_VIRT("Switch", 1);
421 /* Handsfree Right */
422 static const char *twl4030_handsfreer_texts
[] =
423 {"Voice", "AudioR1", "AudioR2", "AudioL2"};
425 static SOC_ENUM_SINGLE_DECL(twl4030_handsfreer_enum
,
426 TWL4030_REG_HFR_CTL
, 0,
427 twl4030_handsfreer_texts
);
429 static const struct snd_kcontrol_new twl4030_dapm_handsfreer_control
=
430 SOC_DAPM_ENUM("Route", twl4030_handsfreer_enum
);
432 /* Handsfree Right virtual mute */
433 static const struct snd_kcontrol_new twl4030_dapm_handsfreermute_control
=
434 SOC_DAPM_SINGLE_VIRT("Switch", 1);
437 /* Vibra audio path selection */
438 static const char *twl4030_vibra_texts
[] =
439 {"AudioL1", "AudioR1", "AudioL2", "AudioR2"};
441 static SOC_ENUM_SINGLE_DECL(twl4030_vibra_enum
,
442 TWL4030_REG_VIBRA_CTL
, 2,
443 twl4030_vibra_texts
);
445 static const struct snd_kcontrol_new twl4030_dapm_vibra_control
=
446 SOC_DAPM_ENUM("Route", twl4030_vibra_enum
);
448 /* Vibra path selection: local vibrator (PWM) or audio driven */
449 static const char *twl4030_vibrapath_texts
[] =
450 {"Local vibrator", "Audio"};
452 static SOC_ENUM_SINGLE_DECL(twl4030_vibrapath_enum
,
453 TWL4030_REG_VIBRA_CTL
, 4,
454 twl4030_vibrapath_texts
);
456 static const struct snd_kcontrol_new twl4030_dapm_vibrapath_control
=
457 SOC_DAPM_ENUM("Route", twl4030_vibrapath_enum
);
459 /* Left analog microphone selection */
460 static const struct snd_kcontrol_new twl4030_dapm_analoglmic_controls
[] = {
461 SOC_DAPM_SINGLE("Main Mic Capture Switch",
462 TWL4030_REG_ANAMICL
, 0, 1, 0),
463 SOC_DAPM_SINGLE("Headset Mic Capture Switch",
464 TWL4030_REG_ANAMICL
, 1, 1, 0),
465 SOC_DAPM_SINGLE("AUXL Capture Switch",
466 TWL4030_REG_ANAMICL
, 2, 1, 0),
467 SOC_DAPM_SINGLE("Carkit Mic Capture Switch",
468 TWL4030_REG_ANAMICL
, 3, 1, 0),
471 /* Right analog microphone selection */
472 static const struct snd_kcontrol_new twl4030_dapm_analogrmic_controls
[] = {
473 SOC_DAPM_SINGLE("Sub Mic Capture Switch", TWL4030_REG_ANAMICR
, 0, 1, 0),
474 SOC_DAPM_SINGLE("AUXR Capture Switch", TWL4030_REG_ANAMICR
, 2, 1, 0),
477 /* TX1 L/R Analog/Digital microphone selection */
478 static const char *twl4030_micpathtx1_texts
[] =
479 {"Analog", "Digimic0"};
481 static SOC_ENUM_SINGLE_DECL(twl4030_micpathtx1_enum
,
482 TWL4030_REG_ADCMICSEL
, 0,
483 twl4030_micpathtx1_texts
);
485 static const struct snd_kcontrol_new twl4030_dapm_micpathtx1_control
=
486 SOC_DAPM_ENUM("Route", twl4030_micpathtx1_enum
);
488 /* TX2 L/R Analog/Digital microphone selection */
489 static const char *twl4030_micpathtx2_texts
[] =
490 {"Analog", "Digimic1"};
492 static SOC_ENUM_SINGLE_DECL(twl4030_micpathtx2_enum
,
493 TWL4030_REG_ADCMICSEL
, 2,
494 twl4030_micpathtx2_texts
);
496 static const struct snd_kcontrol_new twl4030_dapm_micpathtx2_control
=
497 SOC_DAPM_ENUM("Route", twl4030_micpathtx2_enum
);
499 /* Analog bypass for AudioR1 */
500 static const struct snd_kcontrol_new twl4030_dapm_abypassr1_control
=
501 SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXR1_APGA_CTL
, 2, 1, 0);
503 /* Analog bypass for AudioL1 */
504 static const struct snd_kcontrol_new twl4030_dapm_abypassl1_control
=
505 SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXL1_APGA_CTL
, 2, 1, 0);
507 /* Analog bypass for AudioR2 */
508 static const struct snd_kcontrol_new twl4030_dapm_abypassr2_control
=
509 SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXR2_APGA_CTL
, 2, 1, 0);
511 /* Analog bypass for AudioL2 */
512 static const struct snd_kcontrol_new twl4030_dapm_abypassl2_control
=
513 SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXL2_APGA_CTL
, 2, 1, 0);
515 /* Analog bypass for Voice */
516 static const struct snd_kcontrol_new twl4030_dapm_abypassv_control
=
517 SOC_DAPM_SINGLE("Switch", TWL4030_REG_VDL_APGA_CTL
, 2, 1, 0);
519 /* Digital bypass gain, mute instead of -30dB */
520 static const DECLARE_TLV_DB_RANGE(twl4030_dapm_dbypass_tlv
,
521 0, 1, TLV_DB_SCALE_ITEM(-3000, 600, 1),
522 2, 3, TLV_DB_SCALE_ITEM(-2400, 0, 0),
523 4, 7, TLV_DB_SCALE_ITEM(-1800, 600, 0)
526 /* Digital bypass left (TX1L -> RX2L) */
527 static const struct snd_kcontrol_new twl4030_dapm_dbypassl_control
=
528 SOC_DAPM_SINGLE_TLV("Volume",
529 TWL4030_REG_ATX2ARXPGA
, 3, 7, 0,
530 twl4030_dapm_dbypass_tlv
);
532 /* Digital bypass right (TX1R -> RX2R) */
533 static const struct snd_kcontrol_new twl4030_dapm_dbypassr_control
=
534 SOC_DAPM_SINGLE_TLV("Volume",
535 TWL4030_REG_ATX2ARXPGA
, 0, 7, 0,
536 twl4030_dapm_dbypass_tlv
);
539 * Voice Sidetone GAIN volume control:
540 * from -51 to -10 dB in 1 dB steps (mute instead of -51 dB)
542 static DECLARE_TLV_DB_SCALE(twl4030_dapm_dbypassv_tlv
, -5100, 100, 1);
544 /* Digital bypass voice: sidetone (VUL -> VDL)*/
545 static const struct snd_kcontrol_new twl4030_dapm_dbypassv_control
=
546 SOC_DAPM_SINGLE_TLV("Volume",
547 TWL4030_REG_VSTPGA
, 0, 0x29, 0,
548 twl4030_dapm_dbypassv_tlv
);
551 * Output PGA builder:
552 * Handle the muting and unmuting of the given output (turning off the
553 * amplifier associated with the output pin)
554 * On mute bypass the reg_cache and write 0 to the register
555 * On unmute: restore the register content from the reg_cache
556 * Outputs handled in this way: Earpiece, PreDrivL/R, CarkitL/R
558 #define TWL4030_OUTPUT_PGA(pin_name, reg) \
559 static int pin_name##pga_event(struct snd_soc_dapm_widget *w, \
560 struct snd_kcontrol *kcontrol, int event) \
562 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); \
563 struct twl4030_priv *twl4030 = snd_soc_component_get_drvdata(component); \
566 case SND_SOC_DAPM_POST_PMU: \
567 twl4030->pin_name##_enabled = 1; \
568 twl4030_write(component, reg, twl4030_read(component, reg)); \
570 case SND_SOC_DAPM_POST_PMD: \
571 twl4030->pin_name##_enabled = 0; \
572 twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, 0, reg); \
578 TWL4030_OUTPUT_PGA(earpiece
, TWL4030_REG_EAR_CTL
);
579 TWL4030_OUTPUT_PGA(predrivel
, TWL4030_REG_PREDL_CTL
);
580 TWL4030_OUTPUT_PGA(predriver
, TWL4030_REG_PREDR_CTL
);
581 TWL4030_OUTPUT_PGA(carkitl
, TWL4030_REG_PRECKL_CTL
);
582 TWL4030_OUTPUT_PGA(carkitr
, TWL4030_REG_PRECKR_CTL
);
584 static void handsfree_ramp(struct snd_soc_component
*component
, int reg
, int ramp
)
586 unsigned char hs_ctl
;
588 hs_ctl
= twl4030_read(component
, reg
);
592 hs_ctl
|= TWL4030_HF_CTL_REF_EN
;
593 twl4030_write(component
, reg
, hs_ctl
);
595 hs_ctl
|= TWL4030_HF_CTL_RAMP_EN
;
596 twl4030_write(component
, reg
, hs_ctl
);
598 hs_ctl
|= TWL4030_HF_CTL_LOOP_EN
;
599 hs_ctl
|= TWL4030_HF_CTL_HB_EN
;
600 twl4030_write(component
, reg
, hs_ctl
);
603 hs_ctl
&= ~TWL4030_HF_CTL_LOOP_EN
;
604 hs_ctl
&= ~TWL4030_HF_CTL_HB_EN
;
605 twl4030_write(component
, reg
, hs_ctl
);
606 hs_ctl
&= ~TWL4030_HF_CTL_RAMP_EN
;
607 twl4030_write(component
, reg
, hs_ctl
);
609 hs_ctl
&= ~TWL4030_HF_CTL_REF_EN
;
610 twl4030_write(component
, reg
, hs_ctl
);
614 static int handsfreelpga_event(struct snd_soc_dapm_widget
*w
,
615 struct snd_kcontrol
*kcontrol
, int event
)
617 struct snd_soc_component
*component
= snd_soc_dapm_to_component(w
->dapm
);
620 case SND_SOC_DAPM_POST_PMU
:
621 handsfree_ramp(component
, TWL4030_REG_HFL_CTL
, 1);
623 case SND_SOC_DAPM_POST_PMD
:
624 handsfree_ramp(component
, TWL4030_REG_HFL_CTL
, 0);
630 static int handsfreerpga_event(struct snd_soc_dapm_widget
*w
,
631 struct snd_kcontrol
*kcontrol
, int event
)
633 struct snd_soc_component
*component
= snd_soc_dapm_to_component(w
->dapm
);
636 case SND_SOC_DAPM_POST_PMU
:
637 handsfree_ramp(component
, TWL4030_REG_HFR_CTL
, 1);
639 case SND_SOC_DAPM_POST_PMD
:
640 handsfree_ramp(component
, TWL4030_REG_HFR_CTL
, 0);
646 static int vibramux_event(struct snd_soc_dapm_widget
*w
,
647 struct snd_kcontrol
*kcontrol
, int event
)
649 struct snd_soc_component
*component
= snd_soc_dapm_to_component(w
->dapm
);
651 twl4030_write(component
, TWL4030_REG_VIBRA_SET
, 0xff);
655 static int apll_event(struct snd_soc_dapm_widget
*w
,
656 struct snd_kcontrol
*kcontrol
, int event
)
658 struct snd_soc_component
*component
= snd_soc_dapm_to_component(w
->dapm
);
661 case SND_SOC_DAPM_PRE_PMU
:
662 twl4030_apll_enable(component
, 1);
664 case SND_SOC_DAPM_POST_PMD
:
665 twl4030_apll_enable(component
, 0);
671 static int aif_event(struct snd_soc_dapm_widget
*w
,
672 struct snd_kcontrol
*kcontrol
, int event
)
674 struct snd_soc_component
*component
= snd_soc_dapm_to_component(w
->dapm
);
677 audio_if
= twl4030_read(component
, TWL4030_REG_AUDIO_IF
);
679 case SND_SOC_DAPM_PRE_PMU
:
681 /* enable the PLL before we use it to clock the DAI */
682 twl4030_apll_enable(component
, 1);
684 twl4030_write(component
, TWL4030_REG_AUDIO_IF
,
685 audio_if
| TWL4030_AIF_EN
);
687 case SND_SOC_DAPM_POST_PMD
:
688 /* disable the DAI before we stop it's source PLL */
689 twl4030_write(component
, TWL4030_REG_AUDIO_IF
,
690 audio_if
& ~TWL4030_AIF_EN
);
691 twl4030_apll_enable(component
, 0);
697 static void headset_ramp(struct snd_soc_component
*component
, int ramp
)
699 unsigned char hs_gain
, hs_pop
;
700 struct twl4030_priv
*twl4030
= snd_soc_component_get_drvdata(component
);
701 struct twl4030_board_params
*board_params
= twl4030
->board_params
;
702 /* Base values for ramp delay calculation: 2^19 - 2^26 */
703 static const unsigned int ramp_base
[] = {
704 524288, 1048576, 2097152, 4194304,
705 8388608, 16777216, 33554432, 67108864
709 hs_gain
= twl4030_read(component
, TWL4030_REG_HS_GAIN_SET
);
710 hs_pop
= twl4030_read(component
, TWL4030_REG_HS_POPN_SET
);
711 delay
= (ramp_base
[(hs_pop
& TWL4030_RAMP_DELAY
) >> 2] /
712 twl4030
->sysclk
) + 1;
714 /* Enable external mute control, this dramatically reduces
716 if (board_params
&& board_params
->hs_extmute
) {
717 if (gpio_is_valid(board_params
->hs_extmute_gpio
)) {
718 gpio_set_value(board_params
->hs_extmute_gpio
, 1);
720 hs_pop
|= TWL4030_EXTMUTE
;
721 twl4030_write(component
, TWL4030_REG_HS_POPN_SET
, hs_pop
);
726 /* Headset ramp-up according to the TRM */
727 hs_pop
|= TWL4030_VMID_EN
;
728 twl4030_write(component
, TWL4030_REG_HS_POPN_SET
, hs_pop
);
729 /* Actually write to the register */
730 twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE
, hs_gain
,
731 TWL4030_REG_HS_GAIN_SET
);
732 hs_pop
|= TWL4030_RAMP_EN
;
733 twl4030_write(component
, TWL4030_REG_HS_POPN_SET
, hs_pop
);
734 /* Wait ramp delay time + 1, so the VMID can settle */
735 twl4030_wait_ms(delay
);
737 /* Headset ramp-down _not_ according to
738 * the TRM, but in a way that it is working */
739 hs_pop
&= ~TWL4030_RAMP_EN
;
740 twl4030_write(component
, TWL4030_REG_HS_POPN_SET
, hs_pop
);
741 /* Wait ramp delay time + 1, so the VMID can settle */
742 twl4030_wait_ms(delay
);
743 /* Bypass the reg_cache to mute the headset */
744 twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE
, hs_gain
& (~0x0f),
745 TWL4030_REG_HS_GAIN_SET
);
747 hs_pop
&= ~TWL4030_VMID_EN
;
748 twl4030_write(component
, TWL4030_REG_HS_POPN_SET
, hs_pop
);
751 /* Disable external mute */
752 if (board_params
&& board_params
->hs_extmute
) {
753 if (gpio_is_valid(board_params
->hs_extmute_gpio
)) {
754 gpio_set_value(board_params
->hs_extmute_gpio
, 0);
756 hs_pop
&= ~TWL4030_EXTMUTE
;
757 twl4030_write(component
, TWL4030_REG_HS_POPN_SET
, hs_pop
);
762 static int headsetlpga_event(struct snd_soc_dapm_widget
*w
,
763 struct snd_kcontrol
*kcontrol
, int event
)
765 struct snd_soc_component
*component
= snd_soc_dapm_to_component(w
->dapm
);
766 struct twl4030_priv
*twl4030
= snd_soc_component_get_drvdata(component
);
769 case SND_SOC_DAPM_POST_PMU
:
770 /* Do the ramp-up only once */
771 if (!twl4030
->hsr_enabled
)
772 headset_ramp(component
, 1);
774 twl4030
->hsl_enabled
= 1;
776 case SND_SOC_DAPM_POST_PMD
:
777 /* Do the ramp-down only if both headsetL/R is disabled */
778 if (!twl4030
->hsr_enabled
)
779 headset_ramp(component
, 0);
781 twl4030
->hsl_enabled
= 0;
787 static int headsetrpga_event(struct snd_soc_dapm_widget
*w
,
788 struct snd_kcontrol
*kcontrol
, int event
)
790 struct snd_soc_component
*component
= snd_soc_dapm_to_component(w
->dapm
);
791 struct twl4030_priv
*twl4030
= snd_soc_component_get_drvdata(component
);
794 case SND_SOC_DAPM_POST_PMU
:
795 /* Do the ramp-up only once */
796 if (!twl4030
->hsl_enabled
)
797 headset_ramp(component
, 1);
799 twl4030
->hsr_enabled
= 1;
801 case SND_SOC_DAPM_POST_PMD
:
802 /* Do the ramp-down only if both headsetL/R is disabled */
803 if (!twl4030
->hsl_enabled
)
804 headset_ramp(component
, 0);
806 twl4030
->hsr_enabled
= 0;
812 static int digimic_event(struct snd_soc_dapm_widget
*w
,
813 struct snd_kcontrol
*kcontrol
, int event
)
815 struct snd_soc_component
*component
= snd_soc_dapm_to_component(w
->dapm
);
816 struct twl4030_priv
*twl4030
= snd_soc_component_get_drvdata(component
);
817 struct twl4030_board_params
*board_params
= twl4030
->board_params
;
819 if (board_params
&& board_params
->digimic_delay
)
820 twl4030_wait_ms(board_params
->digimic_delay
);
825 * Some of the gain controls in TWL (mostly those which are associated with
826 * the outputs) are implemented in an interesting way:
827 * 0x0 : Power down (mute)
831 * Inverting not going to help with these.
832 * Custom volsw and volsw_2r get/put functions to handle these gain bits.
834 static int snd_soc_get_volsw_twl4030(struct snd_kcontrol
*kcontrol
,
835 struct snd_ctl_elem_value
*ucontrol
)
837 struct soc_mixer_control
*mc
=
838 (struct soc_mixer_control
*)kcontrol
->private_value
;
839 struct snd_soc_component
*component
= snd_soc_kcontrol_component(kcontrol
);
840 unsigned int reg
= mc
->reg
;
841 unsigned int shift
= mc
->shift
;
842 unsigned int rshift
= mc
->rshift
;
844 int mask
= (1 << fls(max
)) - 1;
846 ucontrol
->value
.integer
.value
[0] =
847 (twl4030_read(component
, reg
) >> shift
) & mask
;
848 if (ucontrol
->value
.integer
.value
[0])
849 ucontrol
->value
.integer
.value
[0] =
850 max
+ 1 - ucontrol
->value
.integer
.value
[0];
852 if (shift
!= rshift
) {
853 ucontrol
->value
.integer
.value
[1] =
854 (twl4030_read(component
, reg
) >> rshift
) & mask
;
855 if (ucontrol
->value
.integer
.value
[1])
856 ucontrol
->value
.integer
.value
[1] =
857 max
+ 1 - ucontrol
->value
.integer
.value
[1];
863 static int snd_soc_put_volsw_twl4030(struct snd_kcontrol
*kcontrol
,
864 struct snd_ctl_elem_value
*ucontrol
)
866 struct soc_mixer_control
*mc
=
867 (struct soc_mixer_control
*)kcontrol
->private_value
;
868 struct snd_soc_component
*component
= snd_soc_kcontrol_component(kcontrol
);
869 unsigned int reg
= mc
->reg
;
870 unsigned int shift
= mc
->shift
;
871 unsigned int rshift
= mc
->rshift
;
873 int mask
= (1 << fls(max
)) - 1;
874 unsigned short val
, val2
, val_mask
;
876 val
= (ucontrol
->value
.integer
.value
[0] & mask
);
878 val_mask
= mask
<< shift
;
882 if (shift
!= rshift
) {
883 val2
= (ucontrol
->value
.integer
.value
[1] & mask
);
884 val_mask
|= mask
<< rshift
;
886 val2
= max
+ 1 - val2
;
887 val
|= val2
<< rshift
;
889 return snd_soc_component_update_bits(component
, reg
, val_mask
, val
);
892 static int snd_soc_get_volsw_r2_twl4030(struct snd_kcontrol
*kcontrol
,
893 struct snd_ctl_elem_value
*ucontrol
)
895 struct soc_mixer_control
*mc
=
896 (struct soc_mixer_control
*)kcontrol
->private_value
;
897 struct snd_soc_component
*component
= snd_soc_kcontrol_component(kcontrol
);
898 unsigned int reg
= mc
->reg
;
899 unsigned int reg2
= mc
->rreg
;
900 unsigned int shift
= mc
->shift
;
902 int mask
= (1<<fls(max
))-1;
904 ucontrol
->value
.integer
.value
[0] =
905 (twl4030_read(component
, reg
) >> shift
) & mask
;
906 ucontrol
->value
.integer
.value
[1] =
907 (twl4030_read(component
, reg2
) >> shift
) & mask
;
909 if (ucontrol
->value
.integer
.value
[0])
910 ucontrol
->value
.integer
.value
[0] =
911 max
+ 1 - ucontrol
->value
.integer
.value
[0];
912 if (ucontrol
->value
.integer
.value
[1])
913 ucontrol
->value
.integer
.value
[1] =
914 max
+ 1 - ucontrol
->value
.integer
.value
[1];
919 static int snd_soc_put_volsw_r2_twl4030(struct snd_kcontrol
*kcontrol
,
920 struct snd_ctl_elem_value
*ucontrol
)
922 struct soc_mixer_control
*mc
=
923 (struct soc_mixer_control
*)kcontrol
->private_value
;
924 struct snd_soc_component
*component
= snd_soc_kcontrol_component(kcontrol
);
925 unsigned int reg
= mc
->reg
;
926 unsigned int reg2
= mc
->rreg
;
927 unsigned int shift
= mc
->shift
;
929 int mask
= (1 << fls(max
)) - 1;
931 unsigned short val
, val2
, val_mask
;
933 val_mask
= mask
<< shift
;
934 val
= (ucontrol
->value
.integer
.value
[0] & mask
);
935 val2
= (ucontrol
->value
.integer
.value
[1] & mask
);
940 val2
= max
+ 1 - val2
;
943 val2
= val2
<< shift
;
945 err
= snd_soc_component_update_bits(component
, reg
, val_mask
, val
);
949 err
= snd_soc_component_update_bits(component
, reg2
, val_mask
, val2
);
953 /* Codec operation modes */
954 static const char *twl4030_op_modes_texts
[] = {
955 "Option 2 (voice/audio)", "Option 1 (audio)"
958 static SOC_ENUM_SINGLE_DECL(twl4030_op_modes_enum
,
959 TWL4030_REG_CODEC_MODE
, 0,
960 twl4030_op_modes_texts
);
962 static int snd_soc_put_twl4030_opmode_enum_double(struct snd_kcontrol
*kcontrol
,
963 struct snd_ctl_elem_value
*ucontrol
)
965 struct snd_soc_component
*component
= snd_soc_kcontrol_component(kcontrol
);
966 struct twl4030_priv
*twl4030
= snd_soc_component_get_drvdata(component
);
968 if (twl4030
->configured
) {
969 dev_err(component
->dev
,
970 "operation mode cannot be changed on-the-fly\n");
974 return snd_soc_put_enum_double(kcontrol
, ucontrol
);
978 * FGAIN volume control:
979 * from -62 to 0 dB in 1 dB steps (mute instead of -63 dB)
981 static DECLARE_TLV_DB_SCALE(digital_fine_tlv
, -6300, 100, 1);
984 * CGAIN volume control:
985 * 0 dB to 12 dB in 6 dB steps
986 * value 2 and 3 means 12 dB
988 static DECLARE_TLV_DB_SCALE(digital_coarse_tlv
, 0, 600, 0);
991 * Voice Downlink GAIN volume control:
992 * from -37 to 12 dB in 1 dB steps (mute instead of -37 dB)
994 static DECLARE_TLV_DB_SCALE(digital_voice_downlink_tlv
, -3700, 100, 1);
997 * Analog playback gain
998 * -24 dB to 12 dB in 2 dB steps
1000 static DECLARE_TLV_DB_SCALE(analog_tlv
, -2400, 200, 0);
1003 * Gain controls tied to outputs
1004 * -6 dB to 6 dB in 6 dB steps (mute instead of -12)
1006 static DECLARE_TLV_DB_SCALE(output_tvl
, -1200, 600, 1);
1009 * Gain control for earpiece amplifier
1010 * 0 dB to 12 dB in 6 dB steps (mute instead of -6)
1012 static DECLARE_TLV_DB_SCALE(output_ear_tvl
, -600, 600, 1);
1015 * Capture gain after the ADCs
1016 * from 0 dB to 31 dB in 1 dB steps
1018 static DECLARE_TLV_DB_SCALE(digital_capture_tlv
, 0, 100, 0);
1021 * Gain control for input amplifiers
1022 * 0 dB to 30 dB in 6 dB steps
1024 static DECLARE_TLV_DB_SCALE(input_gain_tlv
, 0, 600, 0);
1026 /* AVADC clock priority */
1027 static const char *twl4030_avadc_clk_priority_texts
[] = {
1028 "Voice high priority", "HiFi high priority"
1031 static SOC_ENUM_SINGLE_DECL(twl4030_avadc_clk_priority_enum
,
1032 TWL4030_REG_AVADC_CTL
, 2,
1033 twl4030_avadc_clk_priority_texts
);
1035 static const char *twl4030_rampdelay_texts
[] = {
1036 "27/20/14 ms", "55/40/27 ms", "109/81/55 ms", "218/161/109 ms",
1037 "437/323/218 ms", "874/645/437 ms", "1748/1291/874 ms",
1041 static SOC_ENUM_SINGLE_DECL(twl4030_rampdelay_enum
,
1042 TWL4030_REG_HS_POPN_SET
, 2,
1043 twl4030_rampdelay_texts
);
1045 /* Vibra H-bridge direction mode */
1046 static const char *twl4030_vibradirmode_texts
[] = {
1047 "Vibra H-bridge direction", "Audio data MSB",
1050 static SOC_ENUM_SINGLE_DECL(twl4030_vibradirmode_enum
,
1051 TWL4030_REG_VIBRA_CTL
, 5,
1052 twl4030_vibradirmode_texts
);
1054 /* Vibra H-bridge direction */
1055 static const char *twl4030_vibradir_texts
[] = {
1056 "Positive polarity", "Negative polarity",
1059 static SOC_ENUM_SINGLE_DECL(twl4030_vibradir_enum
,
1060 TWL4030_REG_VIBRA_CTL
, 1,
1061 twl4030_vibradir_texts
);
1063 /* Digimic Left and right swapping */
1064 static const char *twl4030_digimicswap_texts
[] = {
1065 "Not swapped", "Swapped",
1068 static SOC_ENUM_SINGLE_DECL(twl4030_digimicswap_enum
,
1069 TWL4030_REG_MISC_SET_1
, 0,
1070 twl4030_digimicswap_texts
);
1072 static const struct snd_kcontrol_new twl4030_snd_controls
[] = {
1073 /* Codec operation mode control */
1074 SOC_ENUM_EXT("Codec Operation Mode", twl4030_op_modes_enum
,
1075 snd_soc_get_enum_double
,
1076 snd_soc_put_twl4030_opmode_enum_double
),
1078 /* Common playback gain controls */
1079 SOC_DOUBLE_R_TLV("DAC1 Digital Fine Playback Volume",
1080 TWL4030_REG_ARXL1PGA
, TWL4030_REG_ARXR1PGA
,
1081 0, 0x3f, 0, digital_fine_tlv
),
1082 SOC_DOUBLE_R_TLV("DAC2 Digital Fine Playback Volume",
1083 TWL4030_REG_ARXL2PGA
, TWL4030_REG_ARXR2PGA
,
1084 0, 0x3f, 0, digital_fine_tlv
),
1086 SOC_DOUBLE_R_TLV("DAC1 Digital Coarse Playback Volume",
1087 TWL4030_REG_ARXL1PGA
, TWL4030_REG_ARXR1PGA
,
1088 6, 0x2, 0, digital_coarse_tlv
),
1089 SOC_DOUBLE_R_TLV("DAC2 Digital Coarse Playback Volume",
1090 TWL4030_REG_ARXL2PGA
, TWL4030_REG_ARXR2PGA
,
1091 6, 0x2, 0, digital_coarse_tlv
),
1093 SOC_DOUBLE_R_TLV("DAC1 Analog Playback Volume",
1094 TWL4030_REG_ARXL1_APGA_CTL
, TWL4030_REG_ARXR1_APGA_CTL
,
1095 3, 0x12, 1, analog_tlv
),
1096 SOC_DOUBLE_R_TLV("DAC2 Analog Playback Volume",
1097 TWL4030_REG_ARXL2_APGA_CTL
, TWL4030_REG_ARXR2_APGA_CTL
,
1098 3, 0x12, 1, analog_tlv
),
1099 SOC_DOUBLE_R("DAC1 Analog Playback Switch",
1100 TWL4030_REG_ARXL1_APGA_CTL
, TWL4030_REG_ARXR1_APGA_CTL
,
1102 SOC_DOUBLE_R("DAC2 Analog Playback Switch",
1103 TWL4030_REG_ARXL2_APGA_CTL
, TWL4030_REG_ARXR2_APGA_CTL
,
1106 /* Common voice downlink gain controls */
1107 SOC_SINGLE_TLV("DAC Voice Digital Downlink Volume",
1108 TWL4030_REG_VRXPGA
, 0, 0x31, 0, digital_voice_downlink_tlv
),
1110 SOC_SINGLE_TLV("DAC Voice Analog Downlink Volume",
1111 TWL4030_REG_VDL_APGA_CTL
, 3, 0x12, 1, analog_tlv
),
1113 SOC_SINGLE("DAC Voice Analog Downlink Switch",
1114 TWL4030_REG_VDL_APGA_CTL
, 1, 1, 0),
1116 /* Separate output gain controls */
1117 SOC_DOUBLE_R_EXT_TLV("PreDriv Playback Volume",
1118 TWL4030_REG_PREDL_CTL
, TWL4030_REG_PREDR_CTL
,
1119 4, 3, 0, snd_soc_get_volsw_r2_twl4030
,
1120 snd_soc_put_volsw_r2_twl4030
, output_tvl
),
1122 SOC_DOUBLE_EXT_TLV("Headset Playback Volume",
1123 TWL4030_REG_HS_GAIN_SET
, 0, 2, 3, 0, snd_soc_get_volsw_twl4030
,
1124 snd_soc_put_volsw_twl4030
, output_tvl
),
1126 SOC_DOUBLE_R_EXT_TLV("Carkit Playback Volume",
1127 TWL4030_REG_PRECKL_CTL
, TWL4030_REG_PRECKR_CTL
,
1128 4, 3, 0, snd_soc_get_volsw_r2_twl4030
,
1129 snd_soc_put_volsw_r2_twl4030
, output_tvl
),
1131 SOC_SINGLE_EXT_TLV("Earpiece Playback Volume",
1132 TWL4030_REG_EAR_CTL
, 4, 3, 0, snd_soc_get_volsw_twl4030
,
1133 snd_soc_put_volsw_twl4030
, output_ear_tvl
),
1135 /* Common capture gain controls */
1136 SOC_DOUBLE_R_TLV("TX1 Digital Capture Volume",
1137 TWL4030_REG_ATXL1PGA
, TWL4030_REG_ATXR1PGA
,
1138 0, 0x1f, 0, digital_capture_tlv
),
1139 SOC_DOUBLE_R_TLV("TX2 Digital Capture Volume",
1140 TWL4030_REG_AVTXL2PGA
, TWL4030_REG_AVTXR2PGA
,
1141 0, 0x1f, 0, digital_capture_tlv
),
1143 SOC_DOUBLE_TLV("Analog Capture Volume", TWL4030_REG_ANAMIC_GAIN
,
1144 0, 3, 5, 0, input_gain_tlv
),
1146 SOC_ENUM("AVADC Clock Priority", twl4030_avadc_clk_priority_enum
),
1148 SOC_ENUM("HS ramp delay", twl4030_rampdelay_enum
),
1150 SOC_ENUM("Vibra H-bridge mode", twl4030_vibradirmode_enum
),
1151 SOC_ENUM("Vibra H-bridge direction", twl4030_vibradir_enum
),
1153 SOC_ENUM("Digimic LR Swap", twl4030_digimicswap_enum
),
1156 static const struct snd_soc_dapm_widget twl4030_dapm_widgets
[] = {
1157 /* Left channel inputs */
1158 SND_SOC_DAPM_INPUT("MAINMIC"),
1159 SND_SOC_DAPM_INPUT("HSMIC"),
1160 SND_SOC_DAPM_INPUT("AUXL"),
1161 SND_SOC_DAPM_INPUT("CARKITMIC"),
1162 /* Right channel inputs */
1163 SND_SOC_DAPM_INPUT("SUBMIC"),
1164 SND_SOC_DAPM_INPUT("AUXR"),
1165 /* Digital microphones (Stereo) */
1166 SND_SOC_DAPM_INPUT("DIGIMIC0"),
1167 SND_SOC_DAPM_INPUT("DIGIMIC1"),
1170 SND_SOC_DAPM_OUTPUT("EARPIECE"),
1171 SND_SOC_DAPM_OUTPUT("PREDRIVEL"),
1172 SND_SOC_DAPM_OUTPUT("PREDRIVER"),
1173 SND_SOC_DAPM_OUTPUT("HSOL"),
1174 SND_SOC_DAPM_OUTPUT("HSOR"),
1175 SND_SOC_DAPM_OUTPUT("CARKITL"),
1176 SND_SOC_DAPM_OUTPUT("CARKITR"),
1177 SND_SOC_DAPM_OUTPUT("HFL"),
1178 SND_SOC_DAPM_OUTPUT("HFR"),
1179 SND_SOC_DAPM_OUTPUT("VIBRA"),
1181 /* AIF and APLL clocks for running DAIs (including loopback) */
1182 SND_SOC_DAPM_OUTPUT("Virtual HiFi OUT"),
1183 SND_SOC_DAPM_INPUT("Virtual HiFi IN"),
1184 SND_SOC_DAPM_OUTPUT("Virtual Voice OUT"),
1187 SND_SOC_DAPM_DAC("DAC Right1", NULL
, SND_SOC_NOPM
, 0, 0),
1188 SND_SOC_DAPM_DAC("DAC Left1", NULL
, SND_SOC_NOPM
, 0, 0),
1189 SND_SOC_DAPM_DAC("DAC Right2", NULL
, SND_SOC_NOPM
, 0, 0),
1190 SND_SOC_DAPM_DAC("DAC Left2", NULL
, SND_SOC_NOPM
, 0, 0),
1191 SND_SOC_DAPM_DAC("DAC Voice", NULL
, SND_SOC_NOPM
, 0, 0),
1193 SND_SOC_DAPM_AIF_IN("VAIFIN", "Voice Playback", 0,
1194 TWL4030_REG_VOICE_IF
, 6, 0),
1196 /* Analog bypasses */
1197 SND_SOC_DAPM_SWITCH("Right1 Analog Loopback", SND_SOC_NOPM
, 0, 0,
1198 &twl4030_dapm_abypassr1_control
),
1199 SND_SOC_DAPM_SWITCH("Left1 Analog Loopback", SND_SOC_NOPM
, 0, 0,
1200 &twl4030_dapm_abypassl1_control
),
1201 SND_SOC_DAPM_SWITCH("Right2 Analog Loopback", SND_SOC_NOPM
, 0, 0,
1202 &twl4030_dapm_abypassr2_control
),
1203 SND_SOC_DAPM_SWITCH("Left2 Analog Loopback", SND_SOC_NOPM
, 0, 0,
1204 &twl4030_dapm_abypassl2_control
),
1205 SND_SOC_DAPM_SWITCH("Voice Analog Loopback", SND_SOC_NOPM
, 0, 0,
1206 &twl4030_dapm_abypassv_control
),
1208 /* Master analog loopback switch */
1209 SND_SOC_DAPM_SUPPLY("FM Loop Enable", TWL4030_REG_MISC_SET_1
, 5, 0,
1212 /* Digital bypasses */
1213 SND_SOC_DAPM_SWITCH("Left Digital Loopback", SND_SOC_NOPM
, 0, 0,
1214 &twl4030_dapm_dbypassl_control
),
1215 SND_SOC_DAPM_SWITCH("Right Digital Loopback", SND_SOC_NOPM
, 0, 0,
1216 &twl4030_dapm_dbypassr_control
),
1217 SND_SOC_DAPM_SWITCH("Voice Digital Loopback", SND_SOC_NOPM
, 0, 0,
1218 &twl4030_dapm_dbypassv_control
),
1220 /* Digital mixers, power control for the physical DACs */
1221 SND_SOC_DAPM_MIXER("Digital R1 Playback Mixer",
1222 TWL4030_REG_AVDAC_CTL
, 0, 0, NULL
, 0),
1223 SND_SOC_DAPM_MIXER("Digital L1 Playback Mixer",
1224 TWL4030_REG_AVDAC_CTL
, 1, 0, NULL
, 0),
1225 SND_SOC_DAPM_MIXER("Digital R2 Playback Mixer",
1226 TWL4030_REG_AVDAC_CTL
, 2, 0, NULL
, 0),
1227 SND_SOC_DAPM_MIXER("Digital L2 Playback Mixer",
1228 TWL4030_REG_AVDAC_CTL
, 3, 0, NULL
, 0),
1229 SND_SOC_DAPM_MIXER("Digital Voice Playback Mixer",
1230 TWL4030_REG_AVDAC_CTL
, 4, 0, NULL
, 0),
1232 /* Analog mixers, power control for the physical PGAs */
1233 SND_SOC_DAPM_MIXER("Analog R1 Playback Mixer",
1234 TWL4030_REG_ARXR1_APGA_CTL
, 0, 0, NULL
, 0),
1235 SND_SOC_DAPM_MIXER("Analog L1 Playback Mixer",
1236 TWL4030_REG_ARXL1_APGA_CTL
, 0, 0, NULL
, 0),
1237 SND_SOC_DAPM_MIXER("Analog R2 Playback Mixer",
1238 TWL4030_REG_ARXR2_APGA_CTL
, 0, 0, NULL
, 0),
1239 SND_SOC_DAPM_MIXER("Analog L2 Playback Mixer",
1240 TWL4030_REG_ARXL2_APGA_CTL
, 0, 0, NULL
, 0),
1241 SND_SOC_DAPM_MIXER("Analog Voice Playback Mixer",
1242 TWL4030_REG_VDL_APGA_CTL
, 0, 0, NULL
, 0),
1244 SND_SOC_DAPM_SUPPLY("APLL Enable", SND_SOC_NOPM
, 0, 0, apll_event
,
1245 SND_SOC_DAPM_PRE_PMU
|SND_SOC_DAPM_POST_PMD
),
1247 SND_SOC_DAPM_SUPPLY("AIF Enable", SND_SOC_NOPM
, 0, 0, aif_event
,
1248 SND_SOC_DAPM_PRE_PMU
|SND_SOC_DAPM_POST_PMD
),
1250 /* Output MIXER controls */
1252 SND_SOC_DAPM_MIXER("Earpiece Mixer", SND_SOC_NOPM
, 0, 0,
1253 &twl4030_dapm_earpiece_controls
[0],
1254 ARRAY_SIZE(twl4030_dapm_earpiece_controls
)),
1255 SND_SOC_DAPM_PGA_E("Earpiece PGA", SND_SOC_NOPM
,
1256 0, 0, NULL
, 0, earpiecepga_event
,
1257 SND_SOC_DAPM_POST_PMU
|SND_SOC_DAPM_POST_PMD
),
1259 SND_SOC_DAPM_MIXER("PredriveL Mixer", SND_SOC_NOPM
, 0, 0,
1260 &twl4030_dapm_predrivel_controls
[0],
1261 ARRAY_SIZE(twl4030_dapm_predrivel_controls
)),
1262 SND_SOC_DAPM_PGA_E("PredriveL PGA", SND_SOC_NOPM
,
1263 0, 0, NULL
, 0, predrivelpga_event
,
1264 SND_SOC_DAPM_POST_PMU
|SND_SOC_DAPM_POST_PMD
),
1265 SND_SOC_DAPM_MIXER("PredriveR Mixer", SND_SOC_NOPM
, 0, 0,
1266 &twl4030_dapm_predriver_controls
[0],
1267 ARRAY_SIZE(twl4030_dapm_predriver_controls
)),
1268 SND_SOC_DAPM_PGA_E("PredriveR PGA", SND_SOC_NOPM
,
1269 0, 0, NULL
, 0, predriverpga_event
,
1270 SND_SOC_DAPM_POST_PMU
|SND_SOC_DAPM_POST_PMD
),
1272 SND_SOC_DAPM_MIXER("HeadsetL Mixer", SND_SOC_NOPM
, 0, 0,
1273 &twl4030_dapm_hsol_controls
[0],
1274 ARRAY_SIZE(twl4030_dapm_hsol_controls
)),
1275 SND_SOC_DAPM_PGA_E("HeadsetL PGA", SND_SOC_NOPM
,
1276 0, 0, NULL
, 0, headsetlpga_event
,
1277 SND_SOC_DAPM_POST_PMU
|SND_SOC_DAPM_POST_PMD
),
1278 SND_SOC_DAPM_MIXER("HeadsetR Mixer", SND_SOC_NOPM
, 0, 0,
1279 &twl4030_dapm_hsor_controls
[0],
1280 ARRAY_SIZE(twl4030_dapm_hsor_controls
)),
1281 SND_SOC_DAPM_PGA_E("HeadsetR PGA", SND_SOC_NOPM
,
1282 0, 0, NULL
, 0, headsetrpga_event
,
1283 SND_SOC_DAPM_POST_PMU
|SND_SOC_DAPM_POST_PMD
),
1285 SND_SOC_DAPM_MIXER("CarkitL Mixer", SND_SOC_NOPM
, 0, 0,
1286 &twl4030_dapm_carkitl_controls
[0],
1287 ARRAY_SIZE(twl4030_dapm_carkitl_controls
)),
1288 SND_SOC_DAPM_PGA_E("CarkitL PGA", SND_SOC_NOPM
,
1289 0, 0, NULL
, 0, carkitlpga_event
,
1290 SND_SOC_DAPM_POST_PMU
|SND_SOC_DAPM_POST_PMD
),
1291 SND_SOC_DAPM_MIXER("CarkitR Mixer", SND_SOC_NOPM
, 0, 0,
1292 &twl4030_dapm_carkitr_controls
[0],
1293 ARRAY_SIZE(twl4030_dapm_carkitr_controls
)),
1294 SND_SOC_DAPM_PGA_E("CarkitR PGA", SND_SOC_NOPM
,
1295 0, 0, NULL
, 0, carkitrpga_event
,
1296 SND_SOC_DAPM_POST_PMU
|SND_SOC_DAPM_POST_PMD
),
1298 /* Output MUX controls */
1300 SND_SOC_DAPM_MUX("HandsfreeL Mux", SND_SOC_NOPM
, 0, 0,
1301 &twl4030_dapm_handsfreel_control
),
1302 SND_SOC_DAPM_SWITCH("HandsfreeL", SND_SOC_NOPM
, 0, 0,
1303 &twl4030_dapm_handsfreelmute_control
),
1304 SND_SOC_DAPM_PGA_E("HandsfreeL PGA", SND_SOC_NOPM
,
1305 0, 0, NULL
, 0, handsfreelpga_event
,
1306 SND_SOC_DAPM_POST_PMU
|SND_SOC_DAPM_POST_PMD
),
1307 SND_SOC_DAPM_MUX("HandsfreeR Mux", SND_SOC_NOPM
, 5, 0,
1308 &twl4030_dapm_handsfreer_control
),
1309 SND_SOC_DAPM_SWITCH("HandsfreeR", SND_SOC_NOPM
, 0, 0,
1310 &twl4030_dapm_handsfreermute_control
),
1311 SND_SOC_DAPM_PGA_E("HandsfreeR PGA", SND_SOC_NOPM
,
1312 0, 0, NULL
, 0, handsfreerpga_event
,
1313 SND_SOC_DAPM_POST_PMU
|SND_SOC_DAPM_POST_PMD
),
1315 SND_SOC_DAPM_MUX_E("Vibra Mux", TWL4030_REG_VIBRA_CTL
, 0, 0,
1316 &twl4030_dapm_vibra_control
, vibramux_event
,
1317 SND_SOC_DAPM_PRE_PMU
),
1318 SND_SOC_DAPM_MUX("Vibra Route", SND_SOC_NOPM
, 0, 0,
1319 &twl4030_dapm_vibrapath_control
),
1321 /* Introducing four virtual ADC, since TWL4030 have four channel for
1323 SND_SOC_DAPM_ADC("ADC Virtual Left1", NULL
, SND_SOC_NOPM
, 0, 0),
1324 SND_SOC_DAPM_ADC("ADC Virtual Right1", NULL
, SND_SOC_NOPM
, 0, 0),
1325 SND_SOC_DAPM_ADC("ADC Virtual Left2", NULL
, SND_SOC_NOPM
, 0, 0),
1326 SND_SOC_DAPM_ADC("ADC Virtual Right2", NULL
, SND_SOC_NOPM
, 0, 0),
1328 SND_SOC_DAPM_AIF_OUT("VAIFOUT", "Voice Capture", 0,
1329 TWL4030_REG_VOICE_IF
, 5, 0),
1331 /* Analog/Digital mic path selection.
1332 TX1 Left/Right: either analog Left/Right or Digimic0
1333 TX2 Left/Right: either analog Left/Right or Digimic1 */
1334 SND_SOC_DAPM_MUX("TX1 Capture Route", SND_SOC_NOPM
, 0, 0,
1335 &twl4030_dapm_micpathtx1_control
),
1336 SND_SOC_DAPM_MUX("TX2 Capture Route", SND_SOC_NOPM
, 0, 0,
1337 &twl4030_dapm_micpathtx2_control
),
1339 /* Analog input mixers for the capture amplifiers */
1340 SND_SOC_DAPM_MIXER("Analog Left",
1341 TWL4030_REG_ANAMICL
, 4, 0,
1342 &twl4030_dapm_analoglmic_controls
[0],
1343 ARRAY_SIZE(twl4030_dapm_analoglmic_controls
)),
1344 SND_SOC_DAPM_MIXER("Analog Right",
1345 TWL4030_REG_ANAMICR
, 4, 0,
1346 &twl4030_dapm_analogrmic_controls
[0],
1347 ARRAY_SIZE(twl4030_dapm_analogrmic_controls
)),
1349 SND_SOC_DAPM_PGA("ADC Physical Left",
1350 TWL4030_REG_AVADC_CTL
, 3, 0, NULL
, 0),
1351 SND_SOC_DAPM_PGA("ADC Physical Right",
1352 TWL4030_REG_AVADC_CTL
, 1, 0, NULL
, 0),
1354 SND_SOC_DAPM_PGA_E("Digimic0 Enable",
1355 TWL4030_REG_ADCMICSEL
, 1, 0, NULL
, 0,
1356 digimic_event
, SND_SOC_DAPM_POST_PMU
),
1357 SND_SOC_DAPM_PGA_E("Digimic1 Enable",
1358 TWL4030_REG_ADCMICSEL
, 3, 0, NULL
, 0,
1359 digimic_event
, SND_SOC_DAPM_POST_PMU
),
1361 SND_SOC_DAPM_SUPPLY("micbias1 select", TWL4030_REG_MICBIAS_CTL
, 5, 0,
1363 SND_SOC_DAPM_SUPPLY("micbias2 select", TWL4030_REG_MICBIAS_CTL
, 6, 0,
1366 /* Microphone bias */
1367 SND_SOC_DAPM_SUPPLY("Mic Bias 1",
1368 TWL4030_REG_MICBIAS_CTL
, 0, 0, NULL
, 0),
1369 SND_SOC_DAPM_SUPPLY("Mic Bias 2",
1370 TWL4030_REG_MICBIAS_CTL
, 1, 0, NULL
, 0),
1371 SND_SOC_DAPM_SUPPLY("Headset Mic Bias",
1372 TWL4030_REG_MICBIAS_CTL
, 2, 0, NULL
, 0),
1374 SND_SOC_DAPM_SUPPLY("VIF Enable", TWL4030_REG_VOICE_IF
, 0, 0, NULL
, 0),
1377 static const struct snd_soc_dapm_route intercon
[] = {
1378 /* Stream -> DAC mapping */
1379 {"DAC Right1", NULL
, "HiFi Playback"},
1380 {"DAC Left1", NULL
, "HiFi Playback"},
1381 {"DAC Right2", NULL
, "HiFi Playback"},
1382 {"DAC Left2", NULL
, "HiFi Playback"},
1383 {"DAC Voice", NULL
, "VAIFIN"},
1385 /* ADC -> Stream mapping */
1386 {"HiFi Capture", NULL
, "ADC Virtual Left1"},
1387 {"HiFi Capture", NULL
, "ADC Virtual Right1"},
1388 {"HiFi Capture", NULL
, "ADC Virtual Left2"},
1389 {"HiFi Capture", NULL
, "ADC Virtual Right2"},
1390 {"VAIFOUT", NULL
, "ADC Virtual Left2"},
1391 {"VAIFOUT", NULL
, "ADC Virtual Right2"},
1392 {"VAIFOUT", NULL
, "VIF Enable"},
1394 {"Digital L1 Playback Mixer", NULL
, "DAC Left1"},
1395 {"Digital R1 Playback Mixer", NULL
, "DAC Right1"},
1396 {"Digital L2 Playback Mixer", NULL
, "DAC Left2"},
1397 {"Digital R2 Playback Mixer", NULL
, "DAC Right2"},
1398 {"Digital Voice Playback Mixer", NULL
, "DAC Voice"},
1400 /* Supply for the digital part (APLL) */
1401 {"Digital Voice Playback Mixer", NULL
, "APLL Enable"},
1403 {"DAC Left1", NULL
, "AIF Enable"},
1404 {"DAC Right1", NULL
, "AIF Enable"},
1405 {"DAC Left2", NULL
, "AIF Enable"},
1406 {"DAC Right1", NULL
, "AIF Enable"},
1407 {"DAC Voice", NULL
, "VIF Enable"},
1409 {"Digital R2 Playback Mixer", NULL
, "AIF Enable"},
1410 {"Digital L2 Playback Mixer", NULL
, "AIF Enable"},
1412 {"Analog L1 Playback Mixer", NULL
, "Digital L1 Playback Mixer"},
1413 {"Analog R1 Playback Mixer", NULL
, "Digital R1 Playback Mixer"},
1414 {"Analog L2 Playback Mixer", NULL
, "Digital L2 Playback Mixer"},
1415 {"Analog R2 Playback Mixer", NULL
, "Digital R2 Playback Mixer"},
1416 {"Analog Voice Playback Mixer", NULL
, "Digital Voice Playback Mixer"},
1418 /* Internal playback routings */
1420 {"Earpiece Mixer", "Voice", "Analog Voice Playback Mixer"},
1421 {"Earpiece Mixer", "AudioL1", "Analog L1 Playback Mixer"},
1422 {"Earpiece Mixer", "AudioL2", "Analog L2 Playback Mixer"},
1423 {"Earpiece Mixer", "AudioR1", "Analog R1 Playback Mixer"},
1424 {"Earpiece PGA", NULL
, "Earpiece Mixer"},
1426 {"PredriveL Mixer", "Voice", "Analog Voice Playback Mixer"},
1427 {"PredriveL Mixer", "AudioL1", "Analog L1 Playback Mixer"},
1428 {"PredriveL Mixer", "AudioL2", "Analog L2 Playback Mixer"},
1429 {"PredriveL Mixer", "AudioR2", "Analog R2 Playback Mixer"},
1430 {"PredriveL PGA", NULL
, "PredriveL Mixer"},
1432 {"PredriveR Mixer", "Voice", "Analog Voice Playback Mixer"},
1433 {"PredriveR Mixer", "AudioR1", "Analog R1 Playback Mixer"},
1434 {"PredriveR Mixer", "AudioR2", "Analog R2 Playback Mixer"},
1435 {"PredriveR Mixer", "AudioL2", "Analog L2 Playback Mixer"},
1436 {"PredriveR PGA", NULL
, "PredriveR Mixer"},
1438 {"HeadsetL Mixer", "Voice", "Analog Voice Playback Mixer"},
1439 {"HeadsetL Mixer", "AudioL1", "Analog L1 Playback Mixer"},
1440 {"HeadsetL Mixer", "AudioL2", "Analog L2 Playback Mixer"},
1441 {"HeadsetL PGA", NULL
, "HeadsetL Mixer"},
1443 {"HeadsetR Mixer", "Voice", "Analog Voice Playback Mixer"},
1444 {"HeadsetR Mixer", "AudioR1", "Analog R1 Playback Mixer"},
1445 {"HeadsetR Mixer", "AudioR2", "Analog R2 Playback Mixer"},
1446 {"HeadsetR PGA", NULL
, "HeadsetR Mixer"},
1448 {"CarkitL Mixer", "Voice", "Analog Voice Playback Mixer"},
1449 {"CarkitL Mixer", "AudioL1", "Analog L1 Playback Mixer"},
1450 {"CarkitL Mixer", "AudioL2", "Analog L2 Playback Mixer"},
1451 {"CarkitL PGA", NULL
, "CarkitL Mixer"},
1453 {"CarkitR Mixer", "Voice", "Analog Voice Playback Mixer"},
1454 {"CarkitR Mixer", "AudioR1", "Analog R1 Playback Mixer"},
1455 {"CarkitR Mixer", "AudioR2", "Analog R2 Playback Mixer"},
1456 {"CarkitR PGA", NULL
, "CarkitR Mixer"},
1458 {"HandsfreeL Mux", "Voice", "Analog Voice Playback Mixer"},
1459 {"HandsfreeL Mux", "AudioL1", "Analog L1 Playback Mixer"},
1460 {"HandsfreeL Mux", "AudioL2", "Analog L2 Playback Mixer"},
1461 {"HandsfreeL Mux", "AudioR2", "Analog R2 Playback Mixer"},
1462 {"HandsfreeL", "Switch", "HandsfreeL Mux"},
1463 {"HandsfreeL PGA", NULL
, "HandsfreeL"},
1465 {"HandsfreeR Mux", "Voice", "Analog Voice Playback Mixer"},
1466 {"HandsfreeR Mux", "AudioR1", "Analog R1 Playback Mixer"},
1467 {"HandsfreeR Mux", "AudioR2", "Analog R2 Playback Mixer"},
1468 {"HandsfreeR Mux", "AudioL2", "Analog L2 Playback Mixer"},
1469 {"HandsfreeR", "Switch", "HandsfreeR Mux"},
1470 {"HandsfreeR PGA", NULL
, "HandsfreeR"},
1472 {"Vibra Mux", "AudioL1", "DAC Left1"},
1473 {"Vibra Mux", "AudioR1", "DAC Right1"},
1474 {"Vibra Mux", "AudioL2", "DAC Left2"},
1475 {"Vibra Mux", "AudioR2", "DAC Right2"},
1478 /* Must be always connected (for AIF and APLL) */
1479 {"Virtual HiFi OUT", NULL
, "DAC Left1"},
1480 {"Virtual HiFi OUT", NULL
, "DAC Right1"},
1481 {"Virtual HiFi OUT", NULL
, "DAC Left2"},
1482 {"Virtual HiFi OUT", NULL
, "DAC Right2"},
1483 /* Must be always connected (for APLL) */
1484 {"Virtual Voice OUT", NULL
, "Digital Voice Playback Mixer"},
1485 /* Physical outputs */
1486 {"EARPIECE", NULL
, "Earpiece PGA"},
1487 {"PREDRIVEL", NULL
, "PredriveL PGA"},
1488 {"PREDRIVER", NULL
, "PredriveR PGA"},
1489 {"HSOL", NULL
, "HeadsetL PGA"},
1490 {"HSOR", NULL
, "HeadsetR PGA"},
1491 {"CARKITL", NULL
, "CarkitL PGA"},
1492 {"CARKITR", NULL
, "CarkitR PGA"},
1493 {"HFL", NULL
, "HandsfreeL PGA"},
1494 {"HFR", NULL
, "HandsfreeR PGA"},
1495 {"Vibra Route", "Audio", "Vibra Mux"},
1496 {"VIBRA", NULL
, "Vibra Route"},
1499 /* Must be always connected (for AIF and APLL) */
1500 {"ADC Virtual Left1", NULL
, "Virtual HiFi IN"},
1501 {"ADC Virtual Right1", NULL
, "Virtual HiFi IN"},
1502 {"ADC Virtual Left2", NULL
, "Virtual HiFi IN"},
1503 {"ADC Virtual Right2", NULL
, "Virtual HiFi IN"},
1504 /* Physical inputs */
1505 {"Analog Left", "Main Mic Capture Switch", "MAINMIC"},
1506 {"Analog Left", "Headset Mic Capture Switch", "HSMIC"},
1507 {"Analog Left", "AUXL Capture Switch", "AUXL"},
1508 {"Analog Left", "Carkit Mic Capture Switch", "CARKITMIC"},
1510 {"Analog Right", "Sub Mic Capture Switch", "SUBMIC"},
1511 {"Analog Right", "AUXR Capture Switch", "AUXR"},
1513 {"ADC Physical Left", NULL
, "Analog Left"},
1514 {"ADC Physical Right", NULL
, "Analog Right"},
1516 {"Digimic0 Enable", NULL
, "DIGIMIC0"},
1517 {"Digimic1 Enable", NULL
, "DIGIMIC1"},
1519 {"DIGIMIC0", NULL
, "micbias1 select"},
1520 {"DIGIMIC1", NULL
, "micbias2 select"},
1522 /* TX1 Left capture path */
1523 {"TX1 Capture Route", "Analog", "ADC Physical Left"},
1524 {"TX1 Capture Route", "Digimic0", "Digimic0 Enable"},
1525 /* TX1 Right capture path */
1526 {"TX1 Capture Route", "Analog", "ADC Physical Right"},
1527 {"TX1 Capture Route", "Digimic0", "Digimic0 Enable"},
1528 /* TX2 Left capture path */
1529 {"TX2 Capture Route", "Analog", "ADC Physical Left"},
1530 {"TX2 Capture Route", "Digimic1", "Digimic1 Enable"},
1531 /* TX2 Right capture path */
1532 {"TX2 Capture Route", "Analog", "ADC Physical Right"},
1533 {"TX2 Capture Route", "Digimic1", "Digimic1 Enable"},
1535 {"ADC Virtual Left1", NULL
, "TX1 Capture Route"},
1536 {"ADC Virtual Right1", NULL
, "TX1 Capture Route"},
1537 {"ADC Virtual Left2", NULL
, "TX2 Capture Route"},
1538 {"ADC Virtual Right2", NULL
, "TX2 Capture Route"},
1540 {"ADC Virtual Left1", NULL
, "AIF Enable"},
1541 {"ADC Virtual Right1", NULL
, "AIF Enable"},
1542 {"ADC Virtual Left2", NULL
, "AIF Enable"},
1543 {"ADC Virtual Right2", NULL
, "AIF Enable"},
1545 /* Analog bypass routes */
1546 {"Right1 Analog Loopback", "Switch", "Analog Right"},
1547 {"Left1 Analog Loopback", "Switch", "Analog Left"},
1548 {"Right2 Analog Loopback", "Switch", "Analog Right"},
1549 {"Left2 Analog Loopback", "Switch", "Analog Left"},
1550 {"Voice Analog Loopback", "Switch", "Analog Left"},
1552 /* Supply for the Analog loopbacks */
1553 {"Right1 Analog Loopback", NULL
, "FM Loop Enable"},
1554 {"Left1 Analog Loopback", NULL
, "FM Loop Enable"},
1555 {"Right2 Analog Loopback", NULL
, "FM Loop Enable"},
1556 {"Left2 Analog Loopback", NULL
, "FM Loop Enable"},
1557 {"Voice Analog Loopback", NULL
, "FM Loop Enable"},
1559 {"Analog R1 Playback Mixer", NULL
, "Right1 Analog Loopback"},
1560 {"Analog L1 Playback Mixer", NULL
, "Left1 Analog Loopback"},
1561 {"Analog R2 Playback Mixer", NULL
, "Right2 Analog Loopback"},
1562 {"Analog L2 Playback Mixer", NULL
, "Left2 Analog Loopback"},
1563 {"Analog Voice Playback Mixer", NULL
, "Voice Analog Loopback"},
1565 /* Digital bypass routes */
1566 {"Right Digital Loopback", "Volume", "TX1 Capture Route"},
1567 {"Left Digital Loopback", "Volume", "TX1 Capture Route"},
1568 {"Voice Digital Loopback", "Volume", "TX2 Capture Route"},
1570 {"Digital R2 Playback Mixer", NULL
, "Right Digital Loopback"},
1571 {"Digital L2 Playback Mixer", NULL
, "Left Digital Loopback"},
1572 {"Digital Voice Playback Mixer", NULL
, "Voice Digital Loopback"},
1576 static int twl4030_set_bias_level(struct snd_soc_component
*component
,
1577 enum snd_soc_bias_level level
)
1580 case SND_SOC_BIAS_ON
:
1582 case SND_SOC_BIAS_PREPARE
:
1584 case SND_SOC_BIAS_STANDBY
:
1585 if (snd_soc_component_get_bias_level(component
) == SND_SOC_BIAS_OFF
)
1586 twl4030_codec_enable(component
, 1);
1588 case SND_SOC_BIAS_OFF
:
1589 twl4030_codec_enable(component
, 0);
1596 static void twl4030_constraints(struct twl4030_priv
*twl4030
,
1597 struct snd_pcm_substream
*mst_substream
)
1599 struct snd_pcm_substream
*slv_substream
;
1601 /* Pick the stream, which need to be constrained */
1602 if (mst_substream
== twl4030
->master_substream
)
1603 slv_substream
= twl4030
->slave_substream
;
1604 else if (mst_substream
== twl4030
->slave_substream
)
1605 slv_substream
= twl4030
->master_substream
;
1606 else /* This should not happen.. */
1609 /* Set the constraints according to the already configured stream */
1610 snd_pcm_hw_constraint_single(slv_substream
->runtime
,
1611 SNDRV_PCM_HW_PARAM_RATE
,
1614 snd_pcm_hw_constraint_single(slv_substream
->runtime
,
1615 SNDRV_PCM_HW_PARAM_SAMPLE_BITS
,
1616 twl4030
->sample_bits
);
1618 snd_pcm_hw_constraint_single(slv_substream
->runtime
,
1619 SNDRV_PCM_HW_PARAM_CHANNELS
,
1623 /* In case of 4 channel mode, the RX1 L/R for playback and the TX2 L/R for
1624 * capture has to be enabled/disabled. */
1625 static void twl4030_tdm_enable(struct snd_soc_component
*component
, int direction
,
1630 reg
= twl4030_read(component
, TWL4030_REG_OPTION
);
1632 if (direction
== SNDRV_PCM_STREAM_PLAYBACK
)
1633 mask
= TWL4030_ARXL1_VRX_EN
| TWL4030_ARXR1_EN
;
1635 mask
= TWL4030_ATXL2_VTXL_EN
| TWL4030_ATXR2_VTXR_EN
;
1642 twl4030_write(component
, TWL4030_REG_OPTION
, reg
);
1645 static int twl4030_startup(struct snd_pcm_substream
*substream
,
1646 struct snd_soc_dai
*dai
)
1648 struct snd_soc_component
*component
= dai
->component
;
1649 struct twl4030_priv
*twl4030
= snd_soc_component_get_drvdata(component
);
1651 if (twl4030
->master_substream
) {
1652 twl4030
->slave_substream
= substream
;
1653 /* The DAI has one configuration for playback and capture, so
1654 * if the DAI has been already configured then constrain this
1655 * substream to match it. */
1656 if (twl4030
->configured
)
1657 twl4030_constraints(twl4030
, twl4030
->master_substream
);
1659 if (!(twl4030_read(component
, TWL4030_REG_CODEC_MODE
) &
1660 TWL4030_OPTION_1
)) {
1661 /* In option2 4 channel is not supported, set the
1662 * constraint for the first stream for channels, the
1663 * second stream will 'inherit' this cosntraint */
1664 snd_pcm_hw_constraint_single(substream
->runtime
,
1665 SNDRV_PCM_HW_PARAM_CHANNELS
,
1668 twl4030
->master_substream
= substream
;
1674 static void twl4030_shutdown(struct snd_pcm_substream
*substream
,
1675 struct snd_soc_dai
*dai
)
1677 struct snd_soc_component
*component
= dai
->component
;
1678 struct twl4030_priv
*twl4030
= snd_soc_component_get_drvdata(component
);
1680 if (twl4030
->master_substream
== substream
)
1681 twl4030
->master_substream
= twl4030
->slave_substream
;
1683 twl4030
->slave_substream
= NULL
;
1685 /* If all streams are closed, or the remaining stream has not yet
1686 * been configured than set the DAI as not configured. */
1687 if (!twl4030
->master_substream
)
1688 twl4030
->configured
= 0;
1689 else if (!twl4030
->master_substream
->runtime
->channels
)
1690 twl4030
->configured
= 0;
1692 /* If the closing substream had 4 channel, do the necessary cleanup */
1693 if (substream
->runtime
->channels
== 4)
1694 twl4030_tdm_enable(component
, substream
->stream
, 0);
1697 static int twl4030_hw_params(struct snd_pcm_substream
*substream
,
1698 struct snd_pcm_hw_params
*params
,
1699 struct snd_soc_dai
*dai
)
1701 struct snd_soc_component
*component
= dai
->component
;
1702 struct twl4030_priv
*twl4030
= snd_soc_component_get_drvdata(component
);
1703 u8 mode
, old_mode
, format
, old_format
;
1705 /* If the substream has 4 channel, do the necessary setup */
1706 if (params_channels(params
) == 4) {
1707 format
= twl4030_read(component
, TWL4030_REG_AUDIO_IF
);
1708 mode
= twl4030_read(component
, TWL4030_REG_CODEC_MODE
);
1710 /* Safety check: are we in the correct operating mode and
1711 * the interface is in TDM mode? */
1712 if ((mode
& TWL4030_OPTION_1
) &&
1713 ((format
& TWL4030_AIF_FORMAT
) == TWL4030_AIF_FORMAT_TDM
))
1714 twl4030_tdm_enable(component
, substream
->stream
, 1);
1719 if (twl4030
->configured
)
1720 /* Ignoring hw_params for already configured DAI */
1724 old_mode
= twl4030_read(component
,
1725 TWL4030_REG_CODEC_MODE
) & ~TWL4030_CODECPDZ
;
1726 mode
= old_mode
& ~TWL4030_APLL_RATE
;
1728 switch (params_rate(params
)) {
1730 mode
|= TWL4030_APLL_RATE_8000
;
1733 mode
|= TWL4030_APLL_RATE_11025
;
1736 mode
|= TWL4030_APLL_RATE_12000
;
1739 mode
|= TWL4030_APLL_RATE_16000
;
1742 mode
|= TWL4030_APLL_RATE_22050
;
1745 mode
|= TWL4030_APLL_RATE_24000
;
1748 mode
|= TWL4030_APLL_RATE_32000
;
1751 mode
|= TWL4030_APLL_RATE_44100
;
1754 mode
|= TWL4030_APLL_RATE_48000
;
1757 mode
|= TWL4030_APLL_RATE_96000
;
1760 dev_err(component
->dev
, "%s: unknown rate %d\n", __func__
,
1761 params_rate(params
));
1766 old_format
= twl4030_read(component
, TWL4030_REG_AUDIO_IF
);
1767 format
= old_format
;
1768 format
&= ~TWL4030_DATA_WIDTH
;
1769 switch (params_width(params
)) {
1771 format
|= TWL4030_DATA_WIDTH_16S_16W
;
1774 format
|= TWL4030_DATA_WIDTH_32S_24W
;
1777 dev_err(component
->dev
, "%s: unsupported bits/sample %d\n",
1778 __func__
, params_width(params
));
1782 if (format
!= old_format
|| mode
!= old_mode
) {
1783 if (twl4030
->codec_powered
) {
1785 * If the codec is powered, than we need to toggle the
1788 twl4030_codec_enable(component
, 0);
1789 twl4030_write(component
, TWL4030_REG_CODEC_MODE
, mode
);
1790 twl4030_write(component
, TWL4030_REG_AUDIO_IF
, format
);
1791 twl4030_codec_enable(component
, 1);
1793 twl4030_write(component
, TWL4030_REG_CODEC_MODE
, mode
);
1794 twl4030_write(component
, TWL4030_REG_AUDIO_IF
, format
);
1798 /* Store the important parameters for the DAI configuration and set
1799 * the DAI as configured */
1800 twl4030
->configured
= 1;
1801 twl4030
->rate
= params_rate(params
);
1802 twl4030
->sample_bits
= hw_param_interval(params
,
1803 SNDRV_PCM_HW_PARAM_SAMPLE_BITS
)->min
;
1804 twl4030
->channels
= params_channels(params
);
1806 /* If both playback and capture streams are open, and one of them
1807 * is setting the hw parameters right now (since we are here), set
1808 * constraints to the other stream to match the current one. */
1809 if (twl4030
->slave_substream
)
1810 twl4030_constraints(twl4030
, substream
);
1815 static int twl4030_set_dai_sysclk(struct snd_soc_dai
*codec_dai
, int clk_id
,
1816 unsigned int freq
, int dir
)
1818 struct snd_soc_component
*component
= codec_dai
->component
;
1819 struct twl4030_priv
*twl4030
= snd_soc_component_get_drvdata(component
);
1827 dev_err(component
->dev
, "Unsupported HFCLKIN: %u\n", freq
);
1831 if ((freq
/ 1000) != twl4030
->sysclk
) {
1832 dev_err(component
->dev
,
1833 "Mismatch in HFCLKIN: %u (configured: %u)\n",
1834 freq
, twl4030
->sysclk
* 1000);
1841 static int twl4030_set_dai_fmt(struct snd_soc_dai
*codec_dai
, unsigned int fmt
)
1843 struct snd_soc_component
*component
= codec_dai
->component
;
1844 struct twl4030_priv
*twl4030
= snd_soc_component_get_drvdata(component
);
1845 u8 old_format
, format
;
1848 old_format
= twl4030_read(component
, TWL4030_REG_AUDIO_IF
);
1849 format
= old_format
;
1851 switch (fmt
& SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK
) {
1852 case SND_SOC_DAIFMT_CBP_CFP
:
1853 format
&= ~(TWL4030_AIF_SLAVE_EN
);
1854 format
&= ~(TWL4030_CLK256FS_EN
);
1856 case SND_SOC_DAIFMT_CBC_CFC
:
1857 format
|= TWL4030_AIF_SLAVE_EN
;
1858 format
|= TWL4030_CLK256FS_EN
;
1864 /* interface format */
1865 format
&= ~TWL4030_AIF_FORMAT
;
1866 switch (fmt
& SND_SOC_DAIFMT_FORMAT_MASK
) {
1867 case SND_SOC_DAIFMT_I2S
:
1868 format
|= TWL4030_AIF_FORMAT_CODEC
;
1870 case SND_SOC_DAIFMT_DSP_A
:
1871 format
|= TWL4030_AIF_FORMAT_TDM
;
1877 if (format
!= old_format
) {
1878 if (twl4030
->codec_powered
) {
1880 * If the codec is powered, than we need to toggle the
1883 twl4030_codec_enable(component
, 0);
1884 twl4030_write(component
, TWL4030_REG_AUDIO_IF
, format
);
1885 twl4030_codec_enable(component
, 1);
1887 twl4030_write(component
, TWL4030_REG_AUDIO_IF
, format
);
1894 static int twl4030_set_tristate(struct snd_soc_dai
*dai
, int tristate
)
1896 struct snd_soc_component
*component
= dai
->component
;
1897 u8 reg
= twl4030_read(component
, TWL4030_REG_AUDIO_IF
);
1900 reg
|= TWL4030_AIF_TRI_EN
;
1902 reg
&= ~TWL4030_AIF_TRI_EN
;
1904 return twl4030_write(component
, TWL4030_REG_AUDIO_IF
, reg
);
1907 /* In case of voice mode, the RX1 L(VRX) for downlink and the TX2 L/R
1908 * (VTXL, VTXR) for uplink has to be enabled/disabled. */
1909 static void twl4030_voice_enable(struct snd_soc_component
*component
, int direction
,
1914 reg
= twl4030_read(component
, TWL4030_REG_OPTION
);
1916 if (direction
== SNDRV_PCM_STREAM_PLAYBACK
)
1917 mask
= TWL4030_ARXL1_VRX_EN
;
1919 mask
= TWL4030_ATXL2_VTXL_EN
| TWL4030_ATXR2_VTXR_EN
;
1926 twl4030_write(component
, TWL4030_REG_OPTION
, reg
);
1929 static int twl4030_voice_startup(struct snd_pcm_substream
*substream
,
1930 struct snd_soc_dai
*dai
)
1932 struct snd_soc_component
*component
= dai
->component
;
1933 struct twl4030_priv
*twl4030
= snd_soc_component_get_drvdata(component
);
1936 /* If the system master clock is not 26MHz, the voice PCM interface is
1939 if (twl4030
->sysclk
!= 26000) {
1940 dev_err(component
->dev
,
1941 "%s: HFCLKIN is %u KHz, voice interface needs 26MHz\n",
1942 __func__
, twl4030
->sysclk
);
1946 /* If the codec mode is not option2, the voice PCM interface is not
1949 mode
= twl4030_read(component
, TWL4030_REG_CODEC_MODE
)
1952 if (mode
!= TWL4030_OPTION_2
) {
1953 dev_err(component
->dev
, "%s: the codec mode is not option2\n",
1961 static void twl4030_voice_shutdown(struct snd_pcm_substream
*substream
,
1962 struct snd_soc_dai
*dai
)
1964 struct snd_soc_component
*component
= dai
->component
;
1966 /* Enable voice digital filters */
1967 twl4030_voice_enable(component
, substream
->stream
, 0);
1970 static int twl4030_voice_hw_params(struct snd_pcm_substream
*substream
,
1971 struct snd_pcm_hw_params
*params
,
1972 struct snd_soc_dai
*dai
)
1974 struct snd_soc_component
*component
= dai
->component
;
1975 struct twl4030_priv
*twl4030
= snd_soc_component_get_drvdata(component
);
1978 /* Enable voice digital filters */
1979 twl4030_voice_enable(component
, substream
->stream
, 1);
1982 old_mode
= twl4030_read(component
,
1983 TWL4030_REG_CODEC_MODE
) & ~TWL4030_CODECPDZ
;
1986 switch (params_rate(params
)) {
1988 mode
&= ~(TWL4030_SEL_16K
);
1991 mode
|= TWL4030_SEL_16K
;
1994 dev_err(component
->dev
, "%s: unknown rate %d\n", __func__
,
1995 params_rate(params
));
1999 if (mode
!= old_mode
) {
2000 if (twl4030
->codec_powered
) {
2002 * If the codec is powered, than we need to toggle the
2005 twl4030_codec_enable(component
, 0);
2006 twl4030_write(component
, TWL4030_REG_CODEC_MODE
, mode
);
2007 twl4030_codec_enable(component
, 1);
2009 twl4030_write(component
, TWL4030_REG_CODEC_MODE
, mode
);
2016 static int twl4030_voice_set_dai_sysclk(struct snd_soc_dai
*codec_dai
,
2017 int clk_id
, unsigned int freq
, int dir
)
2019 struct snd_soc_component
*component
= codec_dai
->component
;
2020 struct twl4030_priv
*twl4030
= snd_soc_component_get_drvdata(component
);
2022 if (freq
!= 26000000) {
2023 dev_err(component
->dev
,
2024 "%s: HFCLKIN is %u KHz, voice interface needs 26MHz\n",
2025 __func__
, freq
/ 1000);
2028 if ((freq
/ 1000) != twl4030
->sysclk
) {
2029 dev_err(component
->dev
,
2030 "Mismatch in HFCLKIN: %u (configured: %u)\n",
2031 freq
, twl4030
->sysclk
* 1000);
2037 static int twl4030_voice_set_dai_fmt(struct snd_soc_dai
*codec_dai
,
2040 struct snd_soc_component
*component
= codec_dai
->component
;
2041 struct twl4030_priv
*twl4030
= snd_soc_component_get_drvdata(component
);
2042 u8 old_format
, format
;
2045 old_format
= twl4030_read(component
, TWL4030_REG_VOICE_IF
);
2046 format
= old_format
;
2048 switch (fmt
& SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK
) {
2049 case SND_SOC_DAIFMT_CBP_CFP
:
2050 format
&= ~(TWL4030_VIF_SLAVE_EN
);
2052 case SND_SOC_DAIFMT_CBS_CFS
:
2053 format
|= TWL4030_VIF_SLAVE_EN
;
2059 /* clock inversion */
2060 switch (fmt
& SND_SOC_DAIFMT_INV_MASK
) {
2061 case SND_SOC_DAIFMT_IB_NF
:
2062 format
&= ~(TWL4030_VIF_FORMAT
);
2064 case SND_SOC_DAIFMT_NB_IF
:
2065 format
|= TWL4030_VIF_FORMAT
;
2071 if (format
!= old_format
) {
2072 if (twl4030
->codec_powered
) {
2074 * If the codec is powered, than we need to toggle the
2077 twl4030_codec_enable(component
, 0);
2078 twl4030_write(component
, TWL4030_REG_VOICE_IF
, format
);
2079 twl4030_codec_enable(component
, 1);
2081 twl4030_write(component
, TWL4030_REG_VOICE_IF
, format
);
2088 static int twl4030_voice_set_tristate(struct snd_soc_dai
*dai
, int tristate
)
2090 struct snd_soc_component
*component
= dai
->component
;
2091 u8 reg
= twl4030_read(component
, TWL4030_REG_VOICE_IF
);
2094 reg
|= TWL4030_VIF_TRI_EN
;
2096 reg
&= ~TWL4030_VIF_TRI_EN
;
2098 return twl4030_write(component
, TWL4030_REG_VOICE_IF
, reg
);
2101 #define TWL4030_RATES (SNDRV_PCM_RATE_8000_48000)
2102 #define TWL4030_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)
2104 static const struct snd_soc_dai_ops twl4030_dai_hifi_ops
= {
2105 .startup
= twl4030_startup
,
2106 .shutdown
= twl4030_shutdown
,
2107 .hw_params
= twl4030_hw_params
,
2108 .set_sysclk
= twl4030_set_dai_sysclk
,
2109 .set_fmt
= twl4030_set_dai_fmt
,
2110 .set_tristate
= twl4030_set_tristate
,
2113 static const struct snd_soc_dai_ops twl4030_dai_voice_ops
= {
2114 .startup
= twl4030_voice_startup
,
2115 .shutdown
= twl4030_voice_shutdown
,
2116 .hw_params
= twl4030_voice_hw_params
,
2117 .set_sysclk
= twl4030_voice_set_dai_sysclk
,
2118 .set_fmt
= twl4030_voice_set_dai_fmt
,
2119 .set_tristate
= twl4030_voice_set_tristate
,
2122 static struct snd_soc_dai_driver twl4030_dai
[] = {
2124 .name
= "twl4030-hifi",
2126 .stream_name
= "HiFi Playback",
2129 .rates
= TWL4030_RATES
| SNDRV_PCM_RATE_96000
,
2130 .formats
= TWL4030_FORMATS
,
2133 .stream_name
= "HiFi Capture",
2136 .rates
= TWL4030_RATES
,
2137 .formats
= TWL4030_FORMATS
,
2139 .ops
= &twl4030_dai_hifi_ops
,
2142 .name
= "twl4030-voice",
2144 .stream_name
= "Voice Playback",
2147 .rates
= SNDRV_PCM_RATE_8000
| SNDRV_PCM_RATE_16000
,
2148 .formats
= SNDRV_PCM_FMTBIT_S16_LE
,},
2150 .stream_name
= "Voice Capture",
2153 .rates
= SNDRV_PCM_RATE_8000
| SNDRV_PCM_RATE_16000
,
2154 .formats
= SNDRV_PCM_FMTBIT_S16_LE
,},
2155 .ops
= &twl4030_dai_voice_ops
,
2159 static int twl4030_soc_probe(struct snd_soc_component
*component
)
2161 struct twl4030_priv
*twl4030
;
2163 twl4030
= devm_kzalloc(component
->dev
, sizeof(struct twl4030_priv
),
2167 snd_soc_component_set_drvdata(component
, twl4030
);
2168 /* Set the defaults, and power up the codec */
2169 twl4030
->sysclk
= twl4030_audio_get_mclk() / 1000;
2171 twl4030_init_chip(component
);
2176 static void twl4030_soc_remove(struct snd_soc_component
*component
)
2178 struct twl4030_priv
*twl4030
= snd_soc_component_get_drvdata(component
);
2179 struct twl4030_board_params
*board_params
= twl4030
->board_params
;
2181 if (board_params
&& board_params
->hs_extmute
&&
2182 gpio_is_valid(board_params
->hs_extmute_gpio
))
2183 gpio_free(board_params
->hs_extmute_gpio
);
2186 static const struct snd_soc_component_driver soc_component_dev_twl4030
= {
2187 .probe
= twl4030_soc_probe
,
2188 .remove
= twl4030_soc_remove
,
2189 .read
= twl4030_read
,
2190 .write
= twl4030_write
,
2191 .set_bias_level
= twl4030_set_bias_level
,
2192 .controls
= twl4030_snd_controls
,
2193 .num_controls
= ARRAY_SIZE(twl4030_snd_controls
),
2194 .dapm_widgets
= twl4030_dapm_widgets
,
2195 .num_dapm_widgets
= ARRAY_SIZE(twl4030_dapm_widgets
),
2196 .dapm_routes
= intercon
,
2197 .num_dapm_routes
= ARRAY_SIZE(intercon
),
2198 .use_pmdown_time
= 1,
2202 static int twl4030_codec_probe(struct platform_device
*pdev
)
2204 return devm_snd_soc_register_component(&pdev
->dev
,
2205 &soc_component_dev_twl4030
,
2206 twl4030_dai
, ARRAY_SIZE(twl4030_dai
));
2209 MODULE_ALIAS("platform:twl4030-codec");
2211 static struct platform_driver twl4030_codec_driver
= {
2212 .probe
= twl4030_codec_probe
,
2214 .name
= "twl4030-codec",
2218 module_platform_driver(twl4030_codec_driver
);
2220 MODULE_DESCRIPTION("ASoC TWL4030 codec driver");
2221 MODULE_AUTHOR("Steve Sakoman");
2222 MODULE_LICENSE("GPL");