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Merge branch 'linus' into perf/core
[deliverable/linux.git] / sound / soc / codecs / twl4030.c
1 /*
2 * ALSA SoC TWL4030 codec driver
3 *
4 * Author: Steve Sakoman, <steve@sakoman.com>
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * version 2 as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
18 * 02110-1301 USA
19 *
20 */
21
22 #include <linux/module.h>
23 #include <linux/moduleparam.h>
24 #include <linux/init.h>
25 #include <linux/delay.h>
26 #include <linux/pm.h>
27 #include <linux/i2c.h>
28 #include <linux/platform_device.h>
29 #include <linux/of.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>
40
41 /* Register descriptions are here */
42 #include <linux/mfd/twl4030-audio.h>
43
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)
48
49 #define TWL4030_CACHEREGNUM (TWL4030_REG_MISC_SET_2 + 1)
50
51 /* codec private data */
52 struct twl4030_priv {
53 unsigned int codec_powered;
54
55 /* reference counts of AIF/APLL users */
56 unsigned int apll_enabled;
57
58 struct snd_pcm_substream *master_substream;
59 struct snd_pcm_substream *slave_substream;
60
61 unsigned int configured;
62 unsigned int rate;
63 unsigned int sample_bits;
64 unsigned int channels;
65
66 unsigned int sysclk;
67
68 /* Output (with associated amp) states */
69 u8 hsl_enabled, hsr_enabled;
70 u8 earpiece_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];
74
75 struct twl4030_codec_data *pdata;
76 };
77
78 static void tw4030_init_ctl_cache(struct twl4030_priv *twl4030)
79 {
80 int i;
81 u8 byte;
82
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;
86 }
87 }
88
89 static unsigned int twl4030_read(struct snd_soc_codec *codec, unsigned int reg)
90 {
91 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
92 u8 value = 0;
93
94 if (reg >= TWL4030_CACHEREGNUM)
95 return -EIO;
96
97 switch (reg) {
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];
105 break;
106 default:
107 twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &value, reg);
108 break;
109 }
110
111 return value;
112 }
113
114 static bool twl4030_can_write_to_chip(struct twl4030_priv *twl4030,
115 unsigned int reg)
116 {
117 bool write_to_reg = false;
118
119 /* Decide if the given register can be written */
120 switch (reg) {
121 case TWL4030_REG_EAR_CTL:
122 if (twl4030->earpiece_enabled)
123 write_to_reg = true;
124 break;
125 case TWL4030_REG_PREDL_CTL:
126 if (twl4030->predrivel_enabled)
127 write_to_reg = true;
128 break;
129 case TWL4030_REG_PREDR_CTL:
130 if (twl4030->predriver_enabled)
131 write_to_reg = true;
132 break;
133 case TWL4030_REG_PRECKL_CTL:
134 if (twl4030->carkitl_enabled)
135 write_to_reg = true;
136 break;
137 case TWL4030_REG_PRECKR_CTL:
138 if (twl4030->carkitr_enabled)
139 write_to_reg = true;
140 break;
141 case TWL4030_REG_HS_GAIN_SET:
142 if (twl4030->hsl_enabled || twl4030->hsr_enabled)
143 write_to_reg = true;
144 break;
145 default:
146 /* All other register can be written */
147 write_to_reg = true;
148 break;
149 }
150
151 return write_to_reg;
152 }
153
154 static int twl4030_write(struct snd_soc_codec *codec, unsigned int reg,
155 unsigned int value)
156 {
157 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
158
159 /* Update the ctl cache */
160 switch (reg) {
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;
168 break;
169 default:
170 break;
171 }
172
173 if (twl4030_can_write_to_chip(twl4030, reg))
174 return twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, value, reg);
175
176 return 0;
177 }
178
179 static inline void twl4030_wait_ms(int time)
180 {
181 if (time < 60) {
182 time *= 1000;
183 usleep_range(time, time + 500);
184 } else {
185 msleep(time);
186 }
187 }
188
189 static void twl4030_codec_enable(struct snd_soc_codec *codec, int enable)
190 {
191 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
192 int mode;
193
194 if (enable == twl4030->codec_powered)
195 return;
196
197 if (enable)
198 mode = twl4030_audio_enable_resource(TWL4030_AUDIO_RES_POWER);
199 else
200 mode = twl4030_audio_disable_resource(TWL4030_AUDIO_RES_POWER);
201
202 if (mode >= 0)
203 twl4030->codec_powered = enable;
204
205 /* REVISIT: this delay is present in TI sample drivers */
206 /* but there seems to be no TRM requirement for it */
207 udelay(10);
208 }
209
210 static void twl4030_setup_pdata_of(struct twl4030_codec_data *pdata,
211 struct device_node *node)
212 {
213 int value;
214
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;
223
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;
228 }
229
230 static struct twl4030_codec_data *twl4030_get_pdata(struct snd_soc_codec *codec)
231 {
232 struct twl4030_codec_data *pdata = dev_get_platdata(codec->dev);
233 struct device_node *twl4030_codec_node = NULL;
234
235 twl4030_codec_node = of_find_node_by_name(codec->dev->parent->of_node,
236 "codec");
237
238 if (!pdata && twl4030_codec_node) {
239 pdata = devm_kzalloc(codec->dev,
240 sizeof(struct twl4030_codec_data),
241 GFP_KERNEL);
242 if (!pdata) {
243 dev_err(codec->dev, "Can not allocate memory\n");
244 return NULL;
245 }
246 twl4030_setup_pdata_of(pdata, twl4030_codec_node);
247 }
248
249 return pdata;
250 }
251
252 static void twl4030_init_chip(struct snd_soc_codec *codec)
253 {
254 struct twl4030_codec_data *pdata;
255 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
256 u8 reg, byte;
257 int i = 0;
258
259 pdata = twl4030_get_pdata(codec);
260
261 if (pdata && pdata->hs_extmute) {
262 if (gpio_is_valid(pdata->hs_extmute_gpio)) {
263 int ret;
264
265 if (!pdata->hs_extmute_gpio)
266 dev_warn(codec->dev,
267 "Extmute GPIO is 0 is this correct?\n");
268
269 ret = gpio_request_one(pdata->hs_extmute_gpio,
270 GPIOF_OUT_INIT_LOW,
271 "hs_extmute");
272 if (ret) {
273 dev_err(codec->dev,
274 "Failed to get hs_extmute GPIO\n");
275 pdata->hs_extmute_gpio = -1;
276 }
277 } else {
278 u8 pin_mux;
279
280 /* Set TWL4030 GPIO6 as EXTMUTE signal */
281 twl_i2c_read_u8(TWL4030_MODULE_INTBR, &pin_mux,
282 TWL4030_PMBR1_REG);
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,
286 TWL4030_PMBR1_REG);
287 }
288 }
289
290 /* Initialize the local ctl register cache */
291 tw4030_init_ctl_cache(twl4030);
292
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);
297
298 twl4030_write(codec, TWL4030_REG_OPTION,
299 TWL4030_ATXL1_EN | TWL4030_ATXR1_EN |
300 TWL4030_ARXL2_EN | TWL4030_ARXR2_EN);
301
302 /* REG_ARXR2_APGA_CTL reset according to the TRM: 0dB, DA_EN */
303 twl4030_write(codec, TWL4030_REG_ARXR2_APGA_CTL, 0x32);
304
305 /* Machine dependent setup */
306 if (!pdata)
307 return;
308
309 twl4030->pdata = pdata;
310
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);
315
316 /* initiate offset cancellation */
317 twl4030_codec_enable(codec, 1);
318
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);
324
325 /*
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.
329 */
330 msleep(20);
331 do {
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));
340
341 twl4030_codec_enable(codec, 0);
342 }
343
344 static void twl4030_apll_enable(struct snd_soc_codec *codec, int enable)
345 {
346 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
347 int status = -1;
348
349 if (enable) {
350 twl4030->apll_enabled++;
351 if (twl4030->apll_enabled == 1)
352 status = twl4030_audio_enable_resource(
353 TWL4030_AUDIO_RES_APLL);
354 } else {
355 twl4030->apll_enabled--;
356 if (!twl4030->apll_enabled)
357 status = twl4030_audio_disable_resource(
358 TWL4030_AUDIO_RES_APLL);
359 }
360 }
361
362 /* Earpiece */
363 static const struct snd_kcontrol_new twl4030_dapm_earpiece_controls[] = {
364 SOC_DAPM_SINGLE("Voice", TWL4030_REG_EAR_CTL, 0, 1, 0),
365 SOC_DAPM_SINGLE("AudioL1", TWL4030_REG_EAR_CTL, 1, 1, 0),
366 SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_EAR_CTL, 2, 1, 0),
367 SOC_DAPM_SINGLE("AudioR1", TWL4030_REG_EAR_CTL, 3, 1, 0),
368 };
369
370 /* PreDrive Left */
371 static const struct snd_kcontrol_new twl4030_dapm_predrivel_controls[] = {
372 SOC_DAPM_SINGLE("Voice", TWL4030_REG_PREDL_CTL, 0, 1, 0),
373 SOC_DAPM_SINGLE("AudioL1", TWL4030_REG_PREDL_CTL, 1, 1, 0),
374 SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_PREDL_CTL, 2, 1, 0),
375 SOC_DAPM_SINGLE("AudioR2", TWL4030_REG_PREDL_CTL, 3, 1, 0),
376 };
377
378 /* PreDrive Right */
379 static const struct snd_kcontrol_new twl4030_dapm_predriver_controls[] = {
380 SOC_DAPM_SINGLE("Voice", TWL4030_REG_PREDR_CTL, 0, 1, 0),
381 SOC_DAPM_SINGLE("AudioR1", TWL4030_REG_PREDR_CTL, 1, 1, 0),
382 SOC_DAPM_SINGLE("AudioR2", TWL4030_REG_PREDR_CTL, 2, 1, 0),
383 SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_PREDR_CTL, 3, 1, 0),
384 };
385
386 /* Headset Left */
387 static const struct snd_kcontrol_new twl4030_dapm_hsol_controls[] = {
388 SOC_DAPM_SINGLE("Voice", TWL4030_REG_HS_SEL, 0, 1, 0),
389 SOC_DAPM_SINGLE("AudioL1", TWL4030_REG_HS_SEL, 1, 1, 0),
390 SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_HS_SEL, 2, 1, 0),
391 };
392
393 /* Headset Right */
394 static const struct snd_kcontrol_new twl4030_dapm_hsor_controls[] = {
395 SOC_DAPM_SINGLE("Voice", TWL4030_REG_HS_SEL, 3, 1, 0),
396 SOC_DAPM_SINGLE("AudioR1", TWL4030_REG_HS_SEL, 4, 1, 0),
397 SOC_DAPM_SINGLE("AudioR2", TWL4030_REG_HS_SEL, 5, 1, 0),
398 };
399
400 /* Carkit Left */
401 static const struct snd_kcontrol_new twl4030_dapm_carkitl_controls[] = {
402 SOC_DAPM_SINGLE("Voice", TWL4030_REG_PRECKL_CTL, 0, 1, 0),
403 SOC_DAPM_SINGLE("AudioL1", TWL4030_REG_PRECKL_CTL, 1, 1, 0),
404 SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_PRECKL_CTL, 2, 1, 0),
405 };
406
407 /* Carkit Right */
408 static const struct snd_kcontrol_new twl4030_dapm_carkitr_controls[] = {
409 SOC_DAPM_SINGLE("Voice", TWL4030_REG_PRECKR_CTL, 0, 1, 0),
410 SOC_DAPM_SINGLE("AudioR1", TWL4030_REG_PRECKR_CTL, 1, 1, 0),
411 SOC_DAPM_SINGLE("AudioR2", TWL4030_REG_PRECKR_CTL, 2, 1, 0),
412 };
413
414 /* Handsfree Left */
415 static const char *twl4030_handsfreel_texts[] =
416 {"Voice", "AudioL1", "AudioL2", "AudioR2"};
417
418 static const struct soc_enum twl4030_handsfreel_enum =
419 SOC_ENUM_SINGLE(TWL4030_REG_HFL_CTL, 0,
420 ARRAY_SIZE(twl4030_handsfreel_texts),
421 twl4030_handsfreel_texts);
422
423 static const struct snd_kcontrol_new twl4030_dapm_handsfreel_control =
424 SOC_DAPM_ENUM("Route", twl4030_handsfreel_enum);
425
426 /* Handsfree Left virtual mute */
427 static const struct snd_kcontrol_new twl4030_dapm_handsfreelmute_control =
428 SOC_DAPM_SINGLE_VIRT("Switch", 1);
429
430 /* Handsfree Right */
431 static const char *twl4030_handsfreer_texts[] =
432 {"Voice", "AudioR1", "AudioR2", "AudioL2"};
433
434 static const struct soc_enum twl4030_handsfreer_enum =
435 SOC_ENUM_SINGLE(TWL4030_REG_HFR_CTL, 0,
436 ARRAY_SIZE(twl4030_handsfreer_texts),
437 twl4030_handsfreer_texts);
438
439 static const struct snd_kcontrol_new twl4030_dapm_handsfreer_control =
440 SOC_DAPM_ENUM("Route", twl4030_handsfreer_enum);
441
442 /* Handsfree Right virtual mute */
443 static const struct snd_kcontrol_new twl4030_dapm_handsfreermute_control =
444 SOC_DAPM_SINGLE_VIRT("Switch", 1);
445
446 /* Vibra */
447 /* Vibra audio path selection */
448 static const char *twl4030_vibra_texts[] =
449 {"AudioL1", "AudioR1", "AudioL2", "AudioR2"};
450
451 static const struct soc_enum twl4030_vibra_enum =
452 SOC_ENUM_SINGLE(TWL4030_REG_VIBRA_CTL, 2,
453 ARRAY_SIZE(twl4030_vibra_texts),
454 twl4030_vibra_texts);
455
456 static const struct snd_kcontrol_new twl4030_dapm_vibra_control =
457 SOC_DAPM_ENUM("Route", twl4030_vibra_enum);
458
459 /* Vibra path selection: local vibrator (PWM) or audio driven */
460 static const char *twl4030_vibrapath_texts[] =
461 {"Local vibrator", "Audio"};
462
463 static const struct soc_enum twl4030_vibrapath_enum =
464 SOC_ENUM_SINGLE(TWL4030_REG_VIBRA_CTL, 4,
465 ARRAY_SIZE(twl4030_vibrapath_texts),
466 twl4030_vibrapath_texts);
467
468 static const struct snd_kcontrol_new twl4030_dapm_vibrapath_control =
469 SOC_DAPM_ENUM("Route", twl4030_vibrapath_enum);
470
471 /* Left analog microphone selection */
472 static const struct snd_kcontrol_new twl4030_dapm_analoglmic_controls[] = {
473 SOC_DAPM_SINGLE("Main Mic Capture Switch",
474 TWL4030_REG_ANAMICL, 0, 1, 0),
475 SOC_DAPM_SINGLE("Headset Mic Capture Switch",
476 TWL4030_REG_ANAMICL, 1, 1, 0),
477 SOC_DAPM_SINGLE("AUXL Capture Switch",
478 TWL4030_REG_ANAMICL, 2, 1, 0),
479 SOC_DAPM_SINGLE("Carkit Mic Capture Switch",
480 TWL4030_REG_ANAMICL, 3, 1, 0),
481 };
482
483 /* Right analog microphone selection */
484 static const struct snd_kcontrol_new twl4030_dapm_analogrmic_controls[] = {
485 SOC_DAPM_SINGLE("Sub Mic Capture Switch", TWL4030_REG_ANAMICR, 0, 1, 0),
486 SOC_DAPM_SINGLE("AUXR Capture Switch", TWL4030_REG_ANAMICR, 2, 1, 0),
487 };
488
489 /* TX1 L/R Analog/Digital microphone selection */
490 static const char *twl4030_micpathtx1_texts[] =
491 {"Analog", "Digimic0"};
492
493 static const struct soc_enum twl4030_micpathtx1_enum =
494 SOC_ENUM_SINGLE(TWL4030_REG_ADCMICSEL, 0,
495 ARRAY_SIZE(twl4030_micpathtx1_texts),
496 twl4030_micpathtx1_texts);
497
498 static const struct snd_kcontrol_new twl4030_dapm_micpathtx1_control =
499 SOC_DAPM_ENUM("Route", twl4030_micpathtx1_enum);
500
501 /* TX2 L/R Analog/Digital microphone selection */
502 static const char *twl4030_micpathtx2_texts[] =
503 {"Analog", "Digimic1"};
504
505 static const struct soc_enum twl4030_micpathtx2_enum =
506 SOC_ENUM_SINGLE(TWL4030_REG_ADCMICSEL, 2,
507 ARRAY_SIZE(twl4030_micpathtx2_texts),
508 twl4030_micpathtx2_texts);
509
510 static const struct snd_kcontrol_new twl4030_dapm_micpathtx2_control =
511 SOC_DAPM_ENUM("Route", twl4030_micpathtx2_enum);
512
513 /* Analog bypass for AudioR1 */
514 static const struct snd_kcontrol_new twl4030_dapm_abypassr1_control =
515 SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXR1_APGA_CTL, 2, 1, 0);
516
517 /* Analog bypass for AudioL1 */
518 static const struct snd_kcontrol_new twl4030_dapm_abypassl1_control =
519 SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXL1_APGA_CTL, 2, 1, 0);
520
521 /* Analog bypass for AudioR2 */
522 static const struct snd_kcontrol_new twl4030_dapm_abypassr2_control =
523 SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXR2_APGA_CTL, 2, 1, 0);
524
525 /* Analog bypass for AudioL2 */
526 static const struct snd_kcontrol_new twl4030_dapm_abypassl2_control =
527 SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXL2_APGA_CTL, 2, 1, 0);
528
529 /* Analog bypass for Voice */
530 static const struct snd_kcontrol_new twl4030_dapm_abypassv_control =
531 SOC_DAPM_SINGLE("Switch", TWL4030_REG_VDL_APGA_CTL, 2, 1, 0);
532
533 /* Digital bypass gain, mute instead of -30dB */
534 static const unsigned int twl4030_dapm_dbypass_tlv[] = {
535 TLV_DB_RANGE_HEAD(3),
536 0, 1, TLV_DB_SCALE_ITEM(-3000, 600, 1),
537 2, 3, TLV_DB_SCALE_ITEM(-2400, 0, 0),
538 4, 7, TLV_DB_SCALE_ITEM(-1800, 600, 0),
539 };
540
541 /* Digital bypass left (TX1L -> RX2L) */
542 static const struct snd_kcontrol_new twl4030_dapm_dbypassl_control =
543 SOC_DAPM_SINGLE_TLV("Volume",
544 TWL4030_REG_ATX2ARXPGA, 3, 7, 0,
545 twl4030_dapm_dbypass_tlv);
546
547 /* Digital bypass right (TX1R -> RX2R) */
548 static const struct snd_kcontrol_new twl4030_dapm_dbypassr_control =
549 SOC_DAPM_SINGLE_TLV("Volume",
550 TWL4030_REG_ATX2ARXPGA, 0, 7, 0,
551 twl4030_dapm_dbypass_tlv);
552
553 /*
554 * Voice Sidetone GAIN volume control:
555 * from -51 to -10 dB in 1 dB steps (mute instead of -51 dB)
556 */
557 static DECLARE_TLV_DB_SCALE(twl4030_dapm_dbypassv_tlv, -5100, 100, 1);
558
559 /* Digital bypass voice: sidetone (VUL -> VDL)*/
560 static const struct snd_kcontrol_new twl4030_dapm_dbypassv_control =
561 SOC_DAPM_SINGLE_TLV("Volume",
562 TWL4030_REG_VSTPGA, 0, 0x29, 0,
563 twl4030_dapm_dbypassv_tlv);
564
565 /*
566 * Output PGA builder:
567 * Handle the muting and unmuting of the given output (turning off the
568 * amplifier associated with the output pin)
569 * On mute bypass the reg_cache and write 0 to the register
570 * On unmute: restore the register content from the reg_cache
571 * Outputs handled in this way: Earpiece, PreDrivL/R, CarkitL/R
572 */
573 #define TWL4030_OUTPUT_PGA(pin_name, reg, mask) \
574 static int pin_name##pga_event(struct snd_soc_dapm_widget *w, \
575 struct snd_kcontrol *kcontrol, int event) \
576 { \
577 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(w->codec); \
578 \
579 switch (event) { \
580 case SND_SOC_DAPM_POST_PMU: \
581 twl4030->pin_name##_enabled = 1; \
582 twl4030_write(w->codec, reg, twl4030_read(w->codec, reg)); \
583 break; \
584 case SND_SOC_DAPM_POST_PMD: \
585 twl4030->pin_name##_enabled = 0; \
586 twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, 0, reg); \
587 break; \
588 } \
589 return 0; \
590 }
591
592 TWL4030_OUTPUT_PGA(earpiece, TWL4030_REG_EAR_CTL, TWL4030_EAR_GAIN);
593 TWL4030_OUTPUT_PGA(predrivel, TWL4030_REG_PREDL_CTL, TWL4030_PREDL_GAIN);
594 TWL4030_OUTPUT_PGA(predriver, TWL4030_REG_PREDR_CTL, TWL4030_PREDR_GAIN);
595 TWL4030_OUTPUT_PGA(carkitl, TWL4030_REG_PRECKL_CTL, TWL4030_PRECKL_GAIN);
596 TWL4030_OUTPUT_PGA(carkitr, TWL4030_REG_PRECKR_CTL, TWL4030_PRECKR_GAIN);
597
598 static void handsfree_ramp(struct snd_soc_codec *codec, int reg, int ramp)
599 {
600 unsigned char hs_ctl;
601
602 hs_ctl = twl4030_read(codec, reg);
603
604 if (ramp) {
605 /* HF ramp-up */
606 hs_ctl |= TWL4030_HF_CTL_REF_EN;
607 twl4030_write(codec, reg, hs_ctl);
608 udelay(10);
609 hs_ctl |= TWL4030_HF_CTL_RAMP_EN;
610 twl4030_write(codec, reg, hs_ctl);
611 udelay(40);
612 hs_ctl |= TWL4030_HF_CTL_LOOP_EN;
613 hs_ctl |= TWL4030_HF_CTL_HB_EN;
614 twl4030_write(codec, reg, hs_ctl);
615 } else {
616 /* HF ramp-down */
617 hs_ctl &= ~TWL4030_HF_CTL_LOOP_EN;
618 hs_ctl &= ~TWL4030_HF_CTL_HB_EN;
619 twl4030_write(codec, reg, hs_ctl);
620 hs_ctl &= ~TWL4030_HF_CTL_RAMP_EN;
621 twl4030_write(codec, reg, hs_ctl);
622 udelay(40);
623 hs_ctl &= ~TWL4030_HF_CTL_REF_EN;
624 twl4030_write(codec, reg, hs_ctl);
625 }
626 }
627
628 static int handsfreelpga_event(struct snd_soc_dapm_widget *w,
629 struct snd_kcontrol *kcontrol, int event)
630 {
631 switch (event) {
632 case SND_SOC_DAPM_POST_PMU:
633 handsfree_ramp(w->codec, TWL4030_REG_HFL_CTL, 1);
634 break;
635 case SND_SOC_DAPM_POST_PMD:
636 handsfree_ramp(w->codec, TWL4030_REG_HFL_CTL, 0);
637 break;
638 }
639 return 0;
640 }
641
642 static int handsfreerpga_event(struct snd_soc_dapm_widget *w,
643 struct snd_kcontrol *kcontrol, int event)
644 {
645 switch (event) {
646 case SND_SOC_DAPM_POST_PMU:
647 handsfree_ramp(w->codec, TWL4030_REG_HFR_CTL, 1);
648 break;
649 case SND_SOC_DAPM_POST_PMD:
650 handsfree_ramp(w->codec, TWL4030_REG_HFR_CTL, 0);
651 break;
652 }
653 return 0;
654 }
655
656 static int vibramux_event(struct snd_soc_dapm_widget *w,
657 struct snd_kcontrol *kcontrol, int event)
658 {
659 twl4030_write(w->codec, TWL4030_REG_VIBRA_SET, 0xff);
660 return 0;
661 }
662
663 static int apll_event(struct snd_soc_dapm_widget *w,
664 struct snd_kcontrol *kcontrol, int event)
665 {
666 switch (event) {
667 case SND_SOC_DAPM_PRE_PMU:
668 twl4030_apll_enable(w->codec, 1);
669 break;
670 case SND_SOC_DAPM_POST_PMD:
671 twl4030_apll_enable(w->codec, 0);
672 break;
673 }
674 return 0;
675 }
676
677 static int aif_event(struct snd_soc_dapm_widget *w,
678 struct snd_kcontrol *kcontrol, int event)
679 {
680 u8 audio_if;
681
682 audio_if = twl4030_read(w->codec, TWL4030_REG_AUDIO_IF);
683 switch (event) {
684 case SND_SOC_DAPM_PRE_PMU:
685 /* Enable AIF */
686 /* enable the PLL before we use it to clock the DAI */
687 twl4030_apll_enable(w->codec, 1);
688
689 twl4030_write(w->codec, TWL4030_REG_AUDIO_IF,
690 audio_if | TWL4030_AIF_EN);
691 break;
692 case SND_SOC_DAPM_POST_PMD:
693 /* disable the DAI before we stop it's source PLL */
694 twl4030_write(w->codec, TWL4030_REG_AUDIO_IF,
695 audio_if & ~TWL4030_AIF_EN);
696 twl4030_apll_enable(w->codec, 0);
697 break;
698 }
699 return 0;
700 }
701
702 static void headset_ramp(struct snd_soc_codec *codec, int ramp)
703 {
704 unsigned char hs_gain, hs_pop;
705 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
706 struct twl4030_codec_data *pdata = twl4030->pdata;
707 /* Base values for ramp delay calculation: 2^19 - 2^26 */
708 unsigned int ramp_base[] = {524288, 1048576, 2097152, 4194304,
709 8388608, 16777216, 33554432, 67108864};
710 unsigned int delay;
711
712 hs_gain = twl4030_read(codec, TWL4030_REG_HS_GAIN_SET);
713 hs_pop = twl4030_read(codec, TWL4030_REG_HS_POPN_SET);
714 delay = (ramp_base[(hs_pop & TWL4030_RAMP_DELAY) >> 2] /
715 twl4030->sysclk) + 1;
716
717 /* Enable external mute control, this dramatically reduces
718 * the pop-noise */
719 if (pdata && pdata->hs_extmute) {
720 if (gpio_is_valid(pdata->hs_extmute_gpio)) {
721 gpio_set_value(pdata->hs_extmute_gpio, 1);
722 } else {
723 hs_pop |= TWL4030_EXTMUTE;
724 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop);
725 }
726 }
727
728 if (ramp) {
729 /* Headset ramp-up according to the TRM */
730 hs_pop |= TWL4030_VMID_EN;
731 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop);
732 /* Actually write to the register */
733 twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, hs_gain,
734 TWL4030_REG_HS_GAIN_SET);
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 } else {
740 /* Headset ramp-down _not_ according to
741 * the TRM, but in a way that it is working */
742 hs_pop &= ~TWL4030_RAMP_EN;
743 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop);
744 /* Wait ramp delay time + 1, so the VMID can settle */
745 twl4030_wait_ms(delay);
746 /* Bypass the reg_cache to mute the headset */
747 twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, hs_gain & (~0x0f),
748 TWL4030_REG_HS_GAIN_SET);
749
750 hs_pop &= ~TWL4030_VMID_EN;
751 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop);
752 }
753
754 /* Disable external mute */
755 if (pdata && pdata->hs_extmute) {
756 if (gpio_is_valid(pdata->hs_extmute_gpio)) {
757 gpio_set_value(pdata->hs_extmute_gpio, 0);
758 } else {
759 hs_pop &= ~TWL4030_EXTMUTE;
760 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop);
761 }
762 }
763 }
764
765 static int headsetlpga_event(struct snd_soc_dapm_widget *w,
766 struct snd_kcontrol *kcontrol, int event)
767 {
768 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(w->codec);
769
770 switch (event) {
771 case SND_SOC_DAPM_POST_PMU:
772 /* Do the ramp-up only once */
773 if (!twl4030->hsr_enabled)
774 headset_ramp(w->codec, 1);
775
776 twl4030->hsl_enabled = 1;
777 break;
778 case SND_SOC_DAPM_POST_PMD:
779 /* Do the ramp-down only if both headsetL/R is disabled */
780 if (!twl4030->hsr_enabled)
781 headset_ramp(w->codec, 0);
782
783 twl4030->hsl_enabled = 0;
784 break;
785 }
786 return 0;
787 }
788
789 static int headsetrpga_event(struct snd_soc_dapm_widget *w,
790 struct snd_kcontrol *kcontrol, int event)
791 {
792 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(w->codec);
793
794 switch (event) {
795 case SND_SOC_DAPM_POST_PMU:
796 /* Do the ramp-up only once */
797 if (!twl4030->hsl_enabled)
798 headset_ramp(w->codec, 1);
799
800 twl4030->hsr_enabled = 1;
801 break;
802 case SND_SOC_DAPM_POST_PMD:
803 /* Do the ramp-down only if both headsetL/R is disabled */
804 if (!twl4030->hsl_enabled)
805 headset_ramp(w->codec, 0);
806
807 twl4030->hsr_enabled = 0;
808 break;
809 }
810 return 0;
811 }
812
813 static int digimic_event(struct snd_soc_dapm_widget *w,
814 struct snd_kcontrol *kcontrol, int event)
815 {
816 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(w->codec);
817 struct twl4030_codec_data *pdata = twl4030->pdata;
818
819 if (pdata && pdata->digimic_delay)
820 twl4030_wait_ms(pdata->digimic_delay);
821 return 0;
822 }
823
824 /*
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)
828 * 0x1 : 6dB
829 * 0x2 : 0 dB
830 * 0x3 : -6 dB
831 * Inverting not going to help with these.
832 * Custom volsw and volsw_2r get/put functions to handle these gain bits.
833 */
834 static int snd_soc_get_volsw_twl4030(struct snd_kcontrol *kcontrol,
835 struct snd_ctl_elem_value *ucontrol)
836 {
837 struct soc_mixer_control *mc =
838 (struct soc_mixer_control *)kcontrol->private_value;
839 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
840 unsigned int reg = mc->reg;
841 unsigned int shift = mc->shift;
842 unsigned int rshift = mc->rshift;
843 int max = mc->max;
844 int mask = (1 << fls(max)) - 1;
845
846 ucontrol->value.integer.value[0] =
847 (snd_soc_read(codec, reg) >> shift) & mask;
848 if (ucontrol->value.integer.value[0])
849 ucontrol->value.integer.value[0] =
850 max + 1 - ucontrol->value.integer.value[0];
851
852 if (shift != rshift) {
853 ucontrol->value.integer.value[1] =
854 (snd_soc_read(codec, reg) >> rshift) & mask;
855 if (ucontrol->value.integer.value[1])
856 ucontrol->value.integer.value[1] =
857 max + 1 - ucontrol->value.integer.value[1];
858 }
859
860 return 0;
861 }
862
863 static int snd_soc_put_volsw_twl4030(struct snd_kcontrol *kcontrol,
864 struct snd_ctl_elem_value *ucontrol)
865 {
866 struct soc_mixer_control *mc =
867 (struct soc_mixer_control *)kcontrol->private_value;
868 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
869 unsigned int reg = mc->reg;
870 unsigned int shift = mc->shift;
871 unsigned int rshift = mc->rshift;
872 int max = mc->max;
873 int mask = (1 << fls(max)) - 1;
874 unsigned short val, val2, val_mask;
875
876 val = (ucontrol->value.integer.value[0] & mask);
877
878 val_mask = mask << shift;
879 if (val)
880 val = max + 1 - val;
881 val = val << shift;
882 if (shift != rshift) {
883 val2 = (ucontrol->value.integer.value[1] & mask);
884 val_mask |= mask << rshift;
885 if (val2)
886 val2 = max + 1 - val2;
887 val |= val2 << rshift;
888 }
889 return snd_soc_update_bits(codec, reg, val_mask, val);
890 }
891
892 static int snd_soc_get_volsw_r2_twl4030(struct snd_kcontrol *kcontrol,
893 struct snd_ctl_elem_value *ucontrol)
894 {
895 struct soc_mixer_control *mc =
896 (struct soc_mixer_control *)kcontrol->private_value;
897 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
898 unsigned int reg = mc->reg;
899 unsigned int reg2 = mc->rreg;
900 unsigned int shift = mc->shift;
901 int max = mc->max;
902 int mask = (1<<fls(max))-1;
903
904 ucontrol->value.integer.value[0] =
905 (snd_soc_read(codec, reg) >> shift) & mask;
906 ucontrol->value.integer.value[1] =
907 (snd_soc_read(codec, reg2) >> shift) & mask;
908
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];
915
916 return 0;
917 }
918
919 static int snd_soc_put_volsw_r2_twl4030(struct snd_kcontrol *kcontrol,
920 struct snd_ctl_elem_value *ucontrol)
921 {
922 struct soc_mixer_control *mc =
923 (struct soc_mixer_control *)kcontrol->private_value;
924 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
925 unsigned int reg = mc->reg;
926 unsigned int reg2 = mc->rreg;
927 unsigned int shift = mc->shift;
928 int max = mc->max;
929 int mask = (1 << fls(max)) - 1;
930 int err;
931 unsigned short val, val2, val_mask;
932
933 val_mask = mask << shift;
934 val = (ucontrol->value.integer.value[0] & mask);
935 val2 = (ucontrol->value.integer.value[1] & mask);
936
937 if (val)
938 val = max + 1 - val;
939 if (val2)
940 val2 = max + 1 - val2;
941
942 val = val << shift;
943 val2 = val2 << shift;
944
945 err = snd_soc_update_bits(codec, reg, val_mask, val);
946 if (err < 0)
947 return err;
948
949 err = snd_soc_update_bits(codec, reg2, val_mask, val2);
950 return err;
951 }
952
953 /* Codec operation modes */
954 static const char *twl4030_op_modes_texts[] = {
955 "Option 2 (voice/audio)", "Option 1 (audio)"
956 };
957
958 static const struct soc_enum twl4030_op_modes_enum =
959 SOC_ENUM_SINGLE(TWL4030_REG_CODEC_MODE, 0,
960 ARRAY_SIZE(twl4030_op_modes_texts),
961 twl4030_op_modes_texts);
962
963 static int snd_soc_put_twl4030_opmode_enum_double(struct snd_kcontrol *kcontrol,
964 struct snd_ctl_elem_value *ucontrol)
965 {
966 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
967 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
968 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
969 unsigned short val;
970 unsigned short mask;
971
972 if (twl4030->configured) {
973 dev_err(codec->dev,
974 "operation mode cannot be changed on-the-fly\n");
975 return -EBUSY;
976 }
977
978 if (ucontrol->value.enumerated.item[0] > e->max - 1)
979 return -EINVAL;
980
981 val = ucontrol->value.enumerated.item[0] << e->shift_l;
982 mask = e->mask << e->shift_l;
983 if (e->shift_l != e->shift_r) {
984 if (ucontrol->value.enumerated.item[1] > e->max - 1)
985 return -EINVAL;
986 val |= ucontrol->value.enumerated.item[1] << e->shift_r;
987 mask |= e->mask << e->shift_r;
988 }
989
990 return snd_soc_update_bits(codec, e->reg, mask, val);
991 }
992
993 /*
994 * FGAIN volume control:
995 * from -62 to 0 dB in 1 dB steps (mute instead of -63 dB)
996 */
997 static DECLARE_TLV_DB_SCALE(digital_fine_tlv, -6300, 100, 1);
998
999 /*
1000 * CGAIN volume control:
1001 * 0 dB to 12 dB in 6 dB steps
1002 * value 2 and 3 means 12 dB
1003 */
1004 static DECLARE_TLV_DB_SCALE(digital_coarse_tlv, 0, 600, 0);
1005
1006 /*
1007 * Voice Downlink GAIN volume control:
1008 * from -37 to 12 dB in 1 dB steps (mute instead of -37 dB)
1009 */
1010 static DECLARE_TLV_DB_SCALE(digital_voice_downlink_tlv, -3700, 100, 1);
1011
1012 /*
1013 * Analog playback gain
1014 * -24 dB to 12 dB in 2 dB steps
1015 */
1016 static DECLARE_TLV_DB_SCALE(analog_tlv, -2400, 200, 0);
1017
1018 /*
1019 * Gain controls tied to outputs
1020 * -6 dB to 6 dB in 6 dB steps (mute instead of -12)
1021 */
1022 static DECLARE_TLV_DB_SCALE(output_tvl, -1200, 600, 1);
1023
1024 /*
1025 * Gain control for earpiece amplifier
1026 * 0 dB to 12 dB in 6 dB steps (mute instead of -6)
1027 */
1028 static DECLARE_TLV_DB_SCALE(output_ear_tvl, -600, 600, 1);
1029
1030 /*
1031 * Capture gain after the ADCs
1032 * from 0 dB to 31 dB in 1 dB steps
1033 */
1034 static DECLARE_TLV_DB_SCALE(digital_capture_tlv, 0, 100, 0);
1035
1036 /*
1037 * Gain control for input amplifiers
1038 * 0 dB to 30 dB in 6 dB steps
1039 */
1040 static DECLARE_TLV_DB_SCALE(input_gain_tlv, 0, 600, 0);
1041
1042 /* AVADC clock priority */
1043 static const char *twl4030_avadc_clk_priority_texts[] = {
1044 "Voice high priority", "HiFi high priority"
1045 };
1046
1047 static const struct soc_enum twl4030_avadc_clk_priority_enum =
1048 SOC_ENUM_SINGLE(TWL4030_REG_AVADC_CTL, 2,
1049 ARRAY_SIZE(twl4030_avadc_clk_priority_texts),
1050 twl4030_avadc_clk_priority_texts);
1051
1052 static const char *twl4030_rampdelay_texts[] = {
1053 "27/20/14 ms", "55/40/27 ms", "109/81/55 ms", "218/161/109 ms",
1054 "437/323/218 ms", "874/645/437 ms", "1748/1291/874 ms",
1055 "3495/2581/1748 ms"
1056 };
1057
1058 static const struct soc_enum twl4030_rampdelay_enum =
1059 SOC_ENUM_SINGLE(TWL4030_REG_HS_POPN_SET, 2,
1060 ARRAY_SIZE(twl4030_rampdelay_texts),
1061 twl4030_rampdelay_texts);
1062
1063 /* Vibra H-bridge direction mode */
1064 static const char *twl4030_vibradirmode_texts[] = {
1065 "Vibra H-bridge direction", "Audio data MSB",
1066 };
1067
1068 static const struct soc_enum twl4030_vibradirmode_enum =
1069 SOC_ENUM_SINGLE(TWL4030_REG_VIBRA_CTL, 5,
1070 ARRAY_SIZE(twl4030_vibradirmode_texts),
1071 twl4030_vibradirmode_texts);
1072
1073 /* Vibra H-bridge direction */
1074 static const char *twl4030_vibradir_texts[] = {
1075 "Positive polarity", "Negative polarity",
1076 };
1077
1078 static const struct soc_enum twl4030_vibradir_enum =
1079 SOC_ENUM_SINGLE(TWL4030_REG_VIBRA_CTL, 1,
1080 ARRAY_SIZE(twl4030_vibradir_texts),
1081 twl4030_vibradir_texts);
1082
1083 /* Digimic Left and right swapping */
1084 static const char *twl4030_digimicswap_texts[] = {
1085 "Not swapped", "Swapped",
1086 };
1087
1088 static const struct soc_enum twl4030_digimicswap_enum =
1089 SOC_ENUM_SINGLE(TWL4030_REG_MISC_SET_1, 0,
1090 ARRAY_SIZE(twl4030_digimicswap_texts),
1091 twl4030_digimicswap_texts);
1092
1093 static const struct snd_kcontrol_new twl4030_snd_controls[] = {
1094 /* Codec operation mode control */
1095 SOC_ENUM_EXT("Codec Operation Mode", twl4030_op_modes_enum,
1096 snd_soc_get_enum_double,
1097 snd_soc_put_twl4030_opmode_enum_double),
1098
1099 /* Common playback gain controls */
1100 SOC_DOUBLE_R_TLV("DAC1 Digital Fine Playback Volume",
1101 TWL4030_REG_ARXL1PGA, TWL4030_REG_ARXR1PGA,
1102 0, 0x3f, 0, digital_fine_tlv),
1103 SOC_DOUBLE_R_TLV("DAC2 Digital Fine Playback Volume",
1104 TWL4030_REG_ARXL2PGA, TWL4030_REG_ARXR2PGA,
1105 0, 0x3f, 0, digital_fine_tlv),
1106
1107 SOC_DOUBLE_R_TLV("DAC1 Digital Coarse Playback Volume",
1108 TWL4030_REG_ARXL1PGA, TWL4030_REG_ARXR1PGA,
1109 6, 0x2, 0, digital_coarse_tlv),
1110 SOC_DOUBLE_R_TLV("DAC2 Digital Coarse Playback Volume",
1111 TWL4030_REG_ARXL2PGA, TWL4030_REG_ARXR2PGA,
1112 6, 0x2, 0, digital_coarse_tlv),
1113
1114 SOC_DOUBLE_R_TLV("DAC1 Analog Playback Volume",
1115 TWL4030_REG_ARXL1_APGA_CTL, TWL4030_REG_ARXR1_APGA_CTL,
1116 3, 0x12, 1, analog_tlv),
1117 SOC_DOUBLE_R_TLV("DAC2 Analog Playback Volume",
1118 TWL4030_REG_ARXL2_APGA_CTL, TWL4030_REG_ARXR2_APGA_CTL,
1119 3, 0x12, 1, analog_tlv),
1120 SOC_DOUBLE_R("DAC1 Analog Playback Switch",
1121 TWL4030_REG_ARXL1_APGA_CTL, TWL4030_REG_ARXR1_APGA_CTL,
1122 1, 1, 0),
1123 SOC_DOUBLE_R("DAC2 Analog Playback Switch",
1124 TWL4030_REG_ARXL2_APGA_CTL, TWL4030_REG_ARXR2_APGA_CTL,
1125 1, 1, 0),
1126
1127 /* Common voice downlink gain controls */
1128 SOC_SINGLE_TLV("DAC Voice Digital Downlink Volume",
1129 TWL4030_REG_VRXPGA, 0, 0x31, 0, digital_voice_downlink_tlv),
1130
1131 SOC_SINGLE_TLV("DAC Voice Analog Downlink Volume",
1132 TWL4030_REG_VDL_APGA_CTL, 3, 0x12, 1, analog_tlv),
1133
1134 SOC_SINGLE("DAC Voice Analog Downlink Switch",
1135 TWL4030_REG_VDL_APGA_CTL, 1, 1, 0),
1136
1137 /* Separate output gain controls */
1138 SOC_DOUBLE_R_EXT_TLV("PreDriv Playback Volume",
1139 TWL4030_REG_PREDL_CTL, TWL4030_REG_PREDR_CTL,
1140 4, 3, 0, snd_soc_get_volsw_r2_twl4030,
1141 snd_soc_put_volsw_r2_twl4030, output_tvl),
1142
1143 SOC_DOUBLE_EXT_TLV("Headset Playback Volume",
1144 TWL4030_REG_HS_GAIN_SET, 0, 2, 3, 0, snd_soc_get_volsw_twl4030,
1145 snd_soc_put_volsw_twl4030, output_tvl),
1146
1147 SOC_DOUBLE_R_EXT_TLV("Carkit Playback Volume",
1148 TWL4030_REG_PRECKL_CTL, TWL4030_REG_PRECKR_CTL,
1149 4, 3, 0, snd_soc_get_volsw_r2_twl4030,
1150 snd_soc_put_volsw_r2_twl4030, output_tvl),
1151
1152 SOC_SINGLE_EXT_TLV("Earpiece Playback Volume",
1153 TWL4030_REG_EAR_CTL, 4, 3, 0, snd_soc_get_volsw_twl4030,
1154 snd_soc_put_volsw_twl4030, output_ear_tvl),
1155
1156 /* Common capture gain controls */
1157 SOC_DOUBLE_R_TLV("TX1 Digital Capture Volume",
1158 TWL4030_REG_ATXL1PGA, TWL4030_REG_ATXR1PGA,
1159 0, 0x1f, 0, digital_capture_tlv),
1160 SOC_DOUBLE_R_TLV("TX2 Digital Capture Volume",
1161 TWL4030_REG_AVTXL2PGA, TWL4030_REG_AVTXR2PGA,
1162 0, 0x1f, 0, digital_capture_tlv),
1163
1164 SOC_DOUBLE_TLV("Analog Capture Volume", TWL4030_REG_ANAMIC_GAIN,
1165 0, 3, 5, 0, input_gain_tlv),
1166
1167 SOC_ENUM("AVADC Clock Priority", twl4030_avadc_clk_priority_enum),
1168
1169 SOC_ENUM("HS ramp delay", twl4030_rampdelay_enum),
1170
1171 SOC_ENUM("Vibra H-bridge mode", twl4030_vibradirmode_enum),
1172 SOC_ENUM("Vibra H-bridge direction", twl4030_vibradir_enum),
1173
1174 SOC_ENUM("Digimic LR Swap", twl4030_digimicswap_enum),
1175 };
1176
1177 static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = {
1178 /* Left channel inputs */
1179 SND_SOC_DAPM_INPUT("MAINMIC"),
1180 SND_SOC_DAPM_INPUT("HSMIC"),
1181 SND_SOC_DAPM_INPUT("AUXL"),
1182 SND_SOC_DAPM_INPUT("CARKITMIC"),
1183 /* Right channel inputs */
1184 SND_SOC_DAPM_INPUT("SUBMIC"),
1185 SND_SOC_DAPM_INPUT("AUXR"),
1186 /* Digital microphones (Stereo) */
1187 SND_SOC_DAPM_INPUT("DIGIMIC0"),
1188 SND_SOC_DAPM_INPUT("DIGIMIC1"),
1189
1190 /* Outputs */
1191 SND_SOC_DAPM_OUTPUT("EARPIECE"),
1192 SND_SOC_DAPM_OUTPUT("PREDRIVEL"),
1193 SND_SOC_DAPM_OUTPUT("PREDRIVER"),
1194 SND_SOC_DAPM_OUTPUT("HSOL"),
1195 SND_SOC_DAPM_OUTPUT("HSOR"),
1196 SND_SOC_DAPM_OUTPUT("CARKITL"),
1197 SND_SOC_DAPM_OUTPUT("CARKITR"),
1198 SND_SOC_DAPM_OUTPUT("HFL"),
1199 SND_SOC_DAPM_OUTPUT("HFR"),
1200 SND_SOC_DAPM_OUTPUT("VIBRA"),
1201
1202 /* AIF and APLL clocks for running DAIs (including loopback) */
1203 SND_SOC_DAPM_OUTPUT("Virtual HiFi OUT"),
1204 SND_SOC_DAPM_INPUT("Virtual HiFi IN"),
1205 SND_SOC_DAPM_OUTPUT("Virtual Voice OUT"),
1206
1207 /* DACs */
1208 SND_SOC_DAPM_DAC("DAC Right1", NULL, SND_SOC_NOPM, 0, 0),
1209 SND_SOC_DAPM_DAC("DAC Left1", NULL, SND_SOC_NOPM, 0, 0),
1210 SND_SOC_DAPM_DAC("DAC Right2", NULL, SND_SOC_NOPM, 0, 0),
1211 SND_SOC_DAPM_DAC("DAC Left2", NULL, SND_SOC_NOPM, 0, 0),
1212 SND_SOC_DAPM_DAC("DAC Voice", NULL, SND_SOC_NOPM, 0, 0),
1213
1214 SND_SOC_DAPM_AIF_IN("VAIFIN", "Voice Playback", 0,
1215 TWL4030_REG_VOICE_IF, 6, 0),
1216
1217 /* Analog bypasses */
1218 SND_SOC_DAPM_SWITCH("Right1 Analog Loopback", SND_SOC_NOPM, 0, 0,
1219 &twl4030_dapm_abypassr1_control),
1220 SND_SOC_DAPM_SWITCH("Left1 Analog Loopback", SND_SOC_NOPM, 0, 0,
1221 &twl4030_dapm_abypassl1_control),
1222 SND_SOC_DAPM_SWITCH("Right2 Analog Loopback", SND_SOC_NOPM, 0, 0,
1223 &twl4030_dapm_abypassr2_control),
1224 SND_SOC_DAPM_SWITCH("Left2 Analog Loopback", SND_SOC_NOPM, 0, 0,
1225 &twl4030_dapm_abypassl2_control),
1226 SND_SOC_DAPM_SWITCH("Voice Analog Loopback", SND_SOC_NOPM, 0, 0,
1227 &twl4030_dapm_abypassv_control),
1228
1229 /* Master analog loopback switch */
1230 SND_SOC_DAPM_SUPPLY("FM Loop Enable", TWL4030_REG_MISC_SET_1, 5, 0,
1231 NULL, 0),
1232
1233 /* Digital bypasses */
1234 SND_SOC_DAPM_SWITCH("Left Digital Loopback", SND_SOC_NOPM, 0, 0,
1235 &twl4030_dapm_dbypassl_control),
1236 SND_SOC_DAPM_SWITCH("Right Digital Loopback", SND_SOC_NOPM, 0, 0,
1237 &twl4030_dapm_dbypassr_control),
1238 SND_SOC_DAPM_SWITCH("Voice Digital Loopback", SND_SOC_NOPM, 0, 0,
1239 &twl4030_dapm_dbypassv_control),
1240
1241 /* Digital mixers, power control for the physical DACs */
1242 SND_SOC_DAPM_MIXER("Digital R1 Playback Mixer",
1243 TWL4030_REG_AVDAC_CTL, 0, 0, NULL, 0),
1244 SND_SOC_DAPM_MIXER("Digital L1 Playback Mixer",
1245 TWL4030_REG_AVDAC_CTL, 1, 0, NULL, 0),
1246 SND_SOC_DAPM_MIXER("Digital R2 Playback Mixer",
1247 TWL4030_REG_AVDAC_CTL, 2, 0, NULL, 0),
1248 SND_SOC_DAPM_MIXER("Digital L2 Playback Mixer",
1249 TWL4030_REG_AVDAC_CTL, 3, 0, NULL, 0),
1250 SND_SOC_DAPM_MIXER("Digital Voice Playback Mixer",
1251 TWL4030_REG_AVDAC_CTL, 4, 0, NULL, 0),
1252
1253 /* Analog mixers, power control for the physical PGAs */
1254 SND_SOC_DAPM_MIXER("Analog R1 Playback Mixer",
1255 TWL4030_REG_ARXR1_APGA_CTL, 0, 0, NULL, 0),
1256 SND_SOC_DAPM_MIXER("Analog L1 Playback Mixer",
1257 TWL4030_REG_ARXL1_APGA_CTL, 0, 0, NULL, 0),
1258 SND_SOC_DAPM_MIXER("Analog R2 Playback Mixer",
1259 TWL4030_REG_ARXR2_APGA_CTL, 0, 0, NULL, 0),
1260 SND_SOC_DAPM_MIXER("Analog L2 Playback Mixer",
1261 TWL4030_REG_ARXL2_APGA_CTL, 0, 0, NULL, 0),
1262 SND_SOC_DAPM_MIXER("Analog Voice Playback Mixer",
1263 TWL4030_REG_VDL_APGA_CTL, 0, 0, NULL, 0),
1264
1265 SND_SOC_DAPM_SUPPLY("APLL Enable", SND_SOC_NOPM, 0, 0, apll_event,
1266 SND_SOC_DAPM_PRE_PMU|SND_SOC_DAPM_POST_PMD),
1267
1268 SND_SOC_DAPM_SUPPLY("AIF Enable", SND_SOC_NOPM, 0, 0, aif_event,
1269 SND_SOC_DAPM_PRE_PMU|SND_SOC_DAPM_POST_PMD),
1270
1271 /* Output MIXER controls */
1272 /* Earpiece */
1273 SND_SOC_DAPM_MIXER("Earpiece Mixer", SND_SOC_NOPM, 0, 0,
1274 &twl4030_dapm_earpiece_controls[0],
1275 ARRAY_SIZE(twl4030_dapm_earpiece_controls)),
1276 SND_SOC_DAPM_PGA_E("Earpiece PGA", SND_SOC_NOPM,
1277 0, 0, NULL, 0, earpiecepga_event,
1278 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1279 /* PreDrivL/R */
1280 SND_SOC_DAPM_MIXER("PredriveL Mixer", SND_SOC_NOPM, 0, 0,
1281 &twl4030_dapm_predrivel_controls[0],
1282 ARRAY_SIZE(twl4030_dapm_predrivel_controls)),
1283 SND_SOC_DAPM_PGA_E("PredriveL PGA", SND_SOC_NOPM,
1284 0, 0, NULL, 0, predrivelpga_event,
1285 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1286 SND_SOC_DAPM_MIXER("PredriveR Mixer", SND_SOC_NOPM, 0, 0,
1287 &twl4030_dapm_predriver_controls[0],
1288 ARRAY_SIZE(twl4030_dapm_predriver_controls)),
1289 SND_SOC_DAPM_PGA_E("PredriveR PGA", SND_SOC_NOPM,
1290 0, 0, NULL, 0, predriverpga_event,
1291 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1292 /* HeadsetL/R */
1293 SND_SOC_DAPM_MIXER("HeadsetL Mixer", SND_SOC_NOPM, 0, 0,
1294 &twl4030_dapm_hsol_controls[0],
1295 ARRAY_SIZE(twl4030_dapm_hsol_controls)),
1296 SND_SOC_DAPM_PGA_E("HeadsetL PGA", SND_SOC_NOPM,
1297 0, 0, NULL, 0, headsetlpga_event,
1298 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1299 SND_SOC_DAPM_MIXER("HeadsetR Mixer", SND_SOC_NOPM, 0, 0,
1300 &twl4030_dapm_hsor_controls[0],
1301 ARRAY_SIZE(twl4030_dapm_hsor_controls)),
1302 SND_SOC_DAPM_PGA_E("HeadsetR PGA", SND_SOC_NOPM,
1303 0, 0, NULL, 0, headsetrpga_event,
1304 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1305 /* CarkitL/R */
1306 SND_SOC_DAPM_MIXER("CarkitL Mixer", SND_SOC_NOPM, 0, 0,
1307 &twl4030_dapm_carkitl_controls[0],
1308 ARRAY_SIZE(twl4030_dapm_carkitl_controls)),
1309 SND_SOC_DAPM_PGA_E("CarkitL PGA", SND_SOC_NOPM,
1310 0, 0, NULL, 0, carkitlpga_event,
1311 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1312 SND_SOC_DAPM_MIXER("CarkitR Mixer", SND_SOC_NOPM, 0, 0,
1313 &twl4030_dapm_carkitr_controls[0],
1314 ARRAY_SIZE(twl4030_dapm_carkitr_controls)),
1315 SND_SOC_DAPM_PGA_E("CarkitR PGA", SND_SOC_NOPM,
1316 0, 0, NULL, 0, carkitrpga_event,
1317 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1318
1319 /* Output MUX controls */
1320 /* HandsfreeL/R */
1321 SND_SOC_DAPM_MUX("HandsfreeL Mux", SND_SOC_NOPM, 0, 0,
1322 &twl4030_dapm_handsfreel_control),
1323 SND_SOC_DAPM_SWITCH("HandsfreeL", SND_SOC_NOPM, 0, 0,
1324 &twl4030_dapm_handsfreelmute_control),
1325 SND_SOC_DAPM_PGA_E("HandsfreeL PGA", SND_SOC_NOPM,
1326 0, 0, NULL, 0, handsfreelpga_event,
1327 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1328 SND_SOC_DAPM_MUX("HandsfreeR Mux", SND_SOC_NOPM, 5, 0,
1329 &twl4030_dapm_handsfreer_control),
1330 SND_SOC_DAPM_SWITCH("HandsfreeR", SND_SOC_NOPM, 0, 0,
1331 &twl4030_dapm_handsfreermute_control),
1332 SND_SOC_DAPM_PGA_E("HandsfreeR PGA", SND_SOC_NOPM,
1333 0, 0, NULL, 0, handsfreerpga_event,
1334 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1335 /* Vibra */
1336 SND_SOC_DAPM_MUX_E("Vibra Mux", TWL4030_REG_VIBRA_CTL, 0, 0,
1337 &twl4030_dapm_vibra_control, vibramux_event,
1338 SND_SOC_DAPM_PRE_PMU),
1339 SND_SOC_DAPM_MUX("Vibra Route", SND_SOC_NOPM, 0, 0,
1340 &twl4030_dapm_vibrapath_control),
1341
1342 /* Introducing four virtual ADC, since TWL4030 have four channel for
1343 capture */
1344 SND_SOC_DAPM_ADC("ADC Virtual Left1", NULL, SND_SOC_NOPM, 0, 0),
1345 SND_SOC_DAPM_ADC("ADC Virtual Right1", NULL, SND_SOC_NOPM, 0, 0),
1346 SND_SOC_DAPM_ADC("ADC Virtual Left2", NULL, SND_SOC_NOPM, 0, 0),
1347 SND_SOC_DAPM_ADC("ADC Virtual Right2", NULL, SND_SOC_NOPM, 0, 0),
1348
1349 SND_SOC_DAPM_AIF_OUT("VAIFOUT", "Voice Capture", 0,
1350 TWL4030_REG_VOICE_IF, 5, 0),
1351
1352 /* Analog/Digital mic path selection.
1353 TX1 Left/Right: either analog Left/Right or Digimic0
1354 TX2 Left/Right: either analog Left/Right or Digimic1 */
1355 SND_SOC_DAPM_MUX("TX1 Capture Route", SND_SOC_NOPM, 0, 0,
1356 &twl4030_dapm_micpathtx1_control),
1357 SND_SOC_DAPM_MUX("TX2 Capture Route", SND_SOC_NOPM, 0, 0,
1358 &twl4030_dapm_micpathtx2_control),
1359
1360 /* Analog input mixers for the capture amplifiers */
1361 SND_SOC_DAPM_MIXER("Analog Left",
1362 TWL4030_REG_ANAMICL, 4, 0,
1363 &twl4030_dapm_analoglmic_controls[0],
1364 ARRAY_SIZE(twl4030_dapm_analoglmic_controls)),
1365 SND_SOC_DAPM_MIXER("Analog Right",
1366 TWL4030_REG_ANAMICR, 4, 0,
1367 &twl4030_dapm_analogrmic_controls[0],
1368 ARRAY_SIZE(twl4030_dapm_analogrmic_controls)),
1369
1370 SND_SOC_DAPM_PGA("ADC Physical Left",
1371 TWL4030_REG_AVADC_CTL, 3, 0, NULL, 0),
1372 SND_SOC_DAPM_PGA("ADC Physical Right",
1373 TWL4030_REG_AVADC_CTL, 1, 0, NULL, 0),
1374
1375 SND_SOC_DAPM_PGA_E("Digimic0 Enable",
1376 TWL4030_REG_ADCMICSEL, 1, 0, NULL, 0,
1377 digimic_event, SND_SOC_DAPM_POST_PMU),
1378 SND_SOC_DAPM_PGA_E("Digimic1 Enable",
1379 TWL4030_REG_ADCMICSEL, 3, 0, NULL, 0,
1380 digimic_event, SND_SOC_DAPM_POST_PMU),
1381
1382 SND_SOC_DAPM_SUPPLY("micbias1 select", TWL4030_REG_MICBIAS_CTL, 5, 0,
1383 NULL, 0),
1384 SND_SOC_DAPM_SUPPLY("micbias2 select", TWL4030_REG_MICBIAS_CTL, 6, 0,
1385 NULL, 0),
1386
1387 /* Microphone bias */
1388 SND_SOC_DAPM_SUPPLY("Mic Bias 1",
1389 TWL4030_REG_MICBIAS_CTL, 0, 0, NULL, 0),
1390 SND_SOC_DAPM_SUPPLY("Mic Bias 2",
1391 TWL4030_REG_MICBIAS_CTL, 1, 0, NULL, 0),
1392 SND_SOC_DAPM_SUPPLY("Headset Mic Bias",
1393 TWL4030_REG_MICBIAS_CTL, 2, 0, NULL, 0),
1394
1395 SND_SOC_DAPM_SUPPLY("VIF Enable", TWL4030_REG_VOICE_IF, 0, 0, NULL, 0),
1396 };
1397
1398 static const struct snd_soc_dapm_route intercon[] = {
1399 /* Stream -> DAC mapping */
1400 {"DAC Right1", NULL, "HiFi Playback"},
1401 {"DAC Left1", NULL, "HiFi Playback"},
1402 {"DAC Right2", NULL, "HiFi Playback"},
1403 {"DAC Left2", NULL, "HiFi Playback"},
1404 {"DAC Voice", NULL, "VAIFIN"},
1405
1406 /* ADC -> Stream mapping */
1407 {"HiFi Capture", NULL, "ADC Virtual Left1"},
1408 {"HiFi Capture", NULL, "ADC Virtual Right1"},
1409 {"HiFi Capture", NULL, "ADC Virtual Left2"},
1410 {"HiFi Capture", NULL, "ADC Virtual Right2"},
1411 {"VAIFOUT", NULL, "ADC Virtual Left2"},
1412 {"VAIFOUT", NULL, "ADC Virtual Right2"},
1413 {"VAIFOUT", NULL, "VIF Enable"},
1414
1415 {"Digital L1 Playback Mixer", NULL, "DAC Left1"},
1416 {"Digital R1 Playback Mixer", NULL, "DAC Right1"},
1417 {"Digital L2 Playback Mixer", NULL, "DAC Left2"},
1418 {"Digital R2 Playback Mixer", NULL, "DAC Right2"},
1419 {"Digital Voice Playback Mixer", NULL, "DAC Voice"},
1420
1421 /* Supply for the digital part (APLL) */
1422 {"Digital Voice Playback Mixer", NULL, "APLL Enable"},
1423
1424 {"DAC Left1", NULL, "AIF Enable"},
1425 {"DAC Right1", NULL, "AIF Enable"},
1426 {"DAC Left2", NULL, "AIF Enable"},
1427 {"DAC Right1", NULL, "AIF Enable"},
1428 {"DAC Voice", NULL, "VIF Enable"},
1429
1430 {"Digital R2 Playback Mixer", NULL, "AIF Enable"},
1431 {"Digital L2 Playback Mixer", NULL, "AIF Enable"},
1432
1433 {"Analog L1 Playback Mixer", NULL, "Digital L1 Playback Mixer"},
1434 {"Analog R1 Playback Mixer", NULL, "Digital R1 Playback Mixer"},
1435 {"Analog L2 Playback Mixer", NULL, "Digital L2 Playback Mixer"},
1436 {"Analog R2 Playback Mixer", NULL, "Digital R2 Playback Mixer"},
1437 {"Analog Voice Playback Mixer", NULL, "Digital Voice Playback Mixer"},
1438
1439 /* Internal playback routings */
1440 /* Earpiece */
1441 {"Earpiece Mixer", "Voice", "Analog Voice Playback Mixer"},
1442 {"Earpiece Mixer", "AudioL1", "Analog L1 Playback Mixer"},
1443 {"Earpiece Mixer", "AudioL2", "Analog L2 Playback Mixer"},
1444 {"Earpiece Mixer", "AudioR1", "Analog R1 Playback Mixer"},
1445 {"Earpiece PGA", NULL, "Earpiece Mixer"},
1446 /* PreDrivL */
1447 {"PredriveL Mixer", "Voice", "Analog Voice Playback Mixer"},
1448 {"PredriveL Mixer", "AudioL1", "Analog L1 Playback Mixer"},
1449 {"PredriveL Mixer", "AudioL2", "Analog L2 Playback Mixer"},
1450 {"PredriveL Mixer", "AudioR2", "Analog R2 Playback Mixer"},
1451 {"PredriveL PGA", NULL, "PredriveL Mixer"},
1452 /* PreDrivR */
1453 {"PredriveR Mixer", "Voice", "Analog Voice Playback Mixer"},
1454 {"PredriveR Mixer", "AudioR1", "Analog R1 Playback Mixer"},
1455 {"PredriveR Mixer", "AudioR2", "Analog R2 Playback Mixer"},
1456 {"PredriveR Mixer", "AudioL2", "Analog L2 Playback Mixer"},
1457 {"PredriveR PGA", NULL, "PredriveR Mixer"},
1458 /* HeadsetL */
1459 {"HeadsetL Mixer", "Voice", "Analog Voice Playback Mixer"},
1460 {"HeadsetL Mixer", "AudioL1", "Analog L1 Playback Mixer"},
1461 {"HeadsetL Mixer", "AudioL2", "Analog L2 Playback Mixer"},
1462 {"HeadsetL PGA", NULL, "HeadsetL Mixer"},
1463 /* HeadsetR */
1464 {"HeadsetR Mixer", "Voice", "Analog Voice Playback Mixer"},
1465 {"HeadsetR Mixer", "AudioR1", "Analog R1 Playback Mixer"},
1466 {"HeadsetR Mixer", "AudioR2", "Analog R2 Playback Mixer"},
1467 {"HeadsetR PGA", NULL, "HeadsetR Mixer"},
1468 /* CarkitL */
1469 {"CarkitL Mixer", "Voice", "Analog Voice Playback Mixer"},
1470 {"CarkitL Mixer", "AudioL1", "Analog L1 Playback Mixer"},
1471 {"CarkitL Mixer", "AudioL2", "Analog L2 Playback Mixer"},
1472 {"CarkitL PGA", NULL, "CarkitL Mixer"},
1473 /* CarkitR */
1474 {"CarkitR Mixer", "Voice", "Analog Voice Playback Mixer"},
1475 {"CarkitR Mixer", "AudioR1", "Analog R1 Playback Mixer"},
1476 {"CarkitR Mixer", "AudioR2", "Analog R2 Playback Mixer"},
1477 {"CarkitR PGA", NULL, "CarkitR Mixer"},
1478 /* HandsfreeL */
1479 {"HandsfreeL Mux", "Voice", "Analog Voice Playback Mixer"},
1480 {"HandsfreeL Mux", "AudioL1", "Analog L1 Playback Mixer"},
1481 {"HandsfreeL Mux", "AudioL2", "Analog L2 Playback Mixer"},
1482 {"HandsfreeL Mux", "AudioR2", "Analog R2 Playback Mixer"},
1483 {"HandsfreeL", "Switch", "HandsfreeL Mux"},
1484 {"HandsfreeL PGA", NULL, "HandsfreeL"},
1485 /* HandsfreeR */
1486 {"HandsfreeR Mux", "Voice", "Analog Voice Playback Mixer"},
1487 {"HandsfreeR Mux", "AudioR1", "Analog R1 Playback Mixer"},
1488 {"HandsfreeR Mux", "AudioR2", "Analog R2 Playback Mixer"},
1489 {"HandsfreeR Mux", "AudioL2", "Analog L2 Playback Mixer"},
1490 {"HandsfreeR", "Switch", "HandsfreeR Mux"},
1491 {"HandsfreeR PGA", NULL, "HandsfreeR"},
1492 /* Vibra */
1493 {"Vibra Mux", "AudioL1", "DAC Left1"},
1494 {"Vibra Mux", "AudioR1", "DAC Right1"},
1495 {"Vibra Mux", "AudioL2", "DAC Left2"},
1496 {"Vibra Mux", "AudioR2", "DAC Right2"},
1497
1498 /* outputs */
1499 /* Must be always connected (for AIF and APLL) */
1500 {"Virtual HiFi OUT", NULL, "DAC Left1"},
1501 {"Virtual HiFi OUT", NULL, "DAC Right1"},
1502 {"Virtual HiFi OUT", NULL, "DAC Left2"},
1503 {"Virtual HiFi OUT", NULL, "DAC Right2"},
1504 /* Must be always connected (for APLL) */
1505 {"Virtual Voice OUT", NULL, "Digital Voice Playback Mixer"},
1506 /* Physical outputs */
1507 {"EARPIECE", NULL, "Earpiece PGA"},
1508 {"PREDRIVEL", NULL, "PredriveL PGA"},
1509 {"PREDRIVER", NULL, "PredriveR PGA"},
1510 {"HSOL", NULL, "HeadsetL PGA"},
1511 {"HSOR", NULL, "HeadsetR PGA"},
1512 {"CARKITL", NULL, "CarkitL PGA"},
1513 {"CARKITR", NULL, "CarkitR PGA"},
1514 {"HFL", NULL, "HandsfreeL PGA"},
1515 {"HFR", NULL, "HandsfreeR PGA"},
1516 {"Vibra Route", "Audio", "Vibra Mux"},
1517 {"VIBRA", NULL, "Vibra Route"},
1518
1519 /* Capture path */
1520 /* Must be always connected (for AIF and APLL) */
1521 {"ADC Virtual Left1", NULL, "Virtual HiFi IN"},
1522 {"ADC Virtual Right1", NULL, "Virtual HiFi IN"},
1523 {"ADC Virtual Left2", NULL, "Virtual HiFi IN"},
1524 {"ADC Virtual Right2", NULL, "Virtual HiFi IN"},
1525 /* Physical inputs */
1526 {"Analog Left", "Main Mic Capture Switch", "MAINMIC"},
1527 {"Analog Left", "Headset Mic Capture Switch", "HSMIC"},
1528 {"Analog Left", "AUXL Capture Switch", "AUXL"},
1529 {"Analog Left", "Carkit Mic Capture Switch", "CARKITMIC"},
1530
1531 {"Analog Right", "Sub Mic Capture Switch", "SUBMIC"},
1532 {"Analog Right", "AUXR Capture Switch", "AUXR"},
1533
1534 {"ADC Physical Left", NULL, "Analog Left"},
1535 {"ADC Physical Right", NULL, "Analog Right"},
1536
1537 {"Digimic0 Enable", NULL, "DIGIMIC0"},
1538 {"Digimic1 Enable", NULL, "DIGIMIC1"},
1539
1540 {"DIGIMIC0", NULL, "micbias1 select"},
1541 {"DIGIMIC1", NULL, "micbias2 select"},
1542
1543 /* TX1 Left capture path */
1544 {"TX1 Capture Route", "Analog", "ADC Physical Left"},
1545 {"TX1 Capture Route", "Digimic0", "Digimic0 Enable"},
1546 /* TX1 Right capture path */
1547 {"TX1 Capture Route", "Analog", "ADC Physical Right"},
1548 {"TX1 Capture Route", "Digimic0", "Digimic0 Enable"},
1549 /* TX2 Left capture path */
1550 {"TX2 Capture Route", "Analog", "ADC Physical Left"},
1551 {"TX2 Capture Route", "Digimic1", "Digimic1 Enable"},
1552 /* TX2 Right capture path */
1553 {"TX2 Capture Route", "Analog", "ADC Physical Right"},
1554 {"TX2 Capture Route", "Digimic1", "Digimic1 Enable"},
1555
1556 {"ADC Virtual Left1", NULL, "TX1 Capture Route"},
1557 {"ADC Virtual Right1", NULL, "TX1 Capture Route"},
1558 {"ADC Virtual Left2", NULL, "TX2 Capture Route"},
1559 {"ADC Virtual Right2", NULL, "TX2 Capture Route"},
1560
1561 {"ADC Virtual Left1", NULL, "AIF Enable"},
1562 {"ADC Virtual Right1", NULL, "AIF Enable"},
1563 {"ADC Virtual Left2", NULL, "AIF Enable"},
1564 {"ADC Virtual Right2", NULL, "AIF Enable"},
1565
1566 /* Analog bypass routes */
1567 {"Right1 Analog Loopback", "Switch", "Analog Right"},
1568 {"Left1 Analog Loopback", "Switch", "Analog Left"},
1569 {"Right2 Analog Loopback", "Switch", "Analog Right"},
1570 {"Left2 Analog Loopback", "Switch", "Analog Left"},
1571 {"Voice Analog Loopback", "Switch", "Analog Left"},
1572
1573 /* Supply for the Analog loopbacks */
1574 {"Right1 Analog Loopback", NULL, "FM Loop Enable"},
1575 {"Left1 Analog Loopback", NULL, "FM Loop Enable"},
1576 {"Right2 Analog Loopback", NULL, "FM Loop Enable"},
1577 {"Left2 Analog Loopback", NULL, "FM Loop Enable"},
1578 {"Voice Analog Loopback", NULL, "FM Loop Enable"},
1579
1580 {"Analog R1 Playback Mixer", NULL, "Right1 Analog Loopback"},
1581 {"Analog L1 Playback Mixer", NULL, "Left1 Analog Loopback"},
1582 {"Analog R2 Playback Mixer", NULL, "Right2 Analog Loopback"},
1583 {"Analog L2 Playback Mixer", NULL, "Left2 Analog Loopback"},
1584 {"Analog Voice Playback Mixer", NULL, "Voice Analog Loopback"},
1585
1586 /* Digital bypass routes */
1587 {"Right Digital Loopback", "Volume", "TX1 Capture Route"},
1588 {"Left Digital Loopback", "Volume", "TX1 Capture Route"},
1589 {"Voice Digital Loopback", "Volume", "TX2 Capture Route"},
1590
1591 {"Digital R2 Playback Mixer", NULL, "Right Digital Loopback"},
1592 {"Digital L2 Playback Mixer", NULL, "Left Digital Loopback"},
1593 {"Digital Voice Playback Mixer", NULL, "Voice Digital Loopback"},
1594
1595 };
1596
1597 static int twl4030_set_bias_level(struct snd_soc_codec *codec,
1598 enum snd_soc_bias_level level)
1599 {
1600 switch (level) {
1601 case SND_SOC_BIAS_ON:
1602 break;
1603 case SND_SOC_BIAS_PREPARE:
1604 break;
1605 case SND_SOC_BIAS_STANDBY:
1606 if (codec->dapm.bias_level == SND_SOC_BIAS_OFF)
1607 twl4030_codec_enable(codec, 1);
1608 break;
1609 case SND_SOC_BIAS_OFF:
1610 twl4030_codec_enable(codec, 0);
1611 break;
1612 }
1613 codec->dapm.bias_level = level;
1614
1615 return 0;
1616 }
1617
1618 static void twl4030_constraints(struct twl4030_priv *twl4030,
1619 struct snd_pcm_substream *mst_substream)
1620 {
1621 struct snd_pcm_substream *slv_substream;
1622
1623 /* Pick the stream, which need to be constrained */
1624 if (mst_substream == twl4030->master_substream)
1625 slv_substream = twl4030->slave_substream;
1626 else if (mst_substream == twl4030->slave_substream)
1627 slv_substream = twl4030->master_substream;
1628 else /* This should not happen.. */
1629 return;
1630
1631 /* Set the constraints according to the already configured stream */
1632 snd_pcm_hw_constraint_minmax(slv_substream->runtime,
1633 SNDRV_PCM_HW_PARAM_RATE,
1634 twl4030->rate,
1635 twl4030->rate);
1636
1637 snd_pcm_hw_constraint_minmax(slv_substream->runtime,
1638 SNDRV_PCM_HW_PARAM_SAMPLE_BITS,
1639 twl4030->sample_bits,
1640 twl4030->sample_bits);
1641
1642 snd_pcm_hw_constraint_minmax(slv_substream->runtime,
1643 SNDRV_PCM_HW_PARAM_CHANNELS,
1644 twl4030->channels,
1645 twl4030->channels);
1646 }
1647
1648 /* In case of 4 channel mode, the RX1 L/R for playback and the TX2 L/R for
1649 * capture has to be enabled/disabled. */
1650 static void twl4030_tdm_enable(struct snd_soc_codec *codec, int direction,
1651 int enable)
1652 {
1653 u8 reg, mask;
1654
1655 reg = twl4030_read(codec, TWL4030_REG_OPTION);
1656
1657 if (direction == SNDRV_PCM_STREAM_PLAYBACK)
1658 mask = TWL4030_ARXL1_VRX_EN | TWL4030_ARXR1_EN;
1659 else
1660 mask = TWL4030_ATXL2_VTXL_EN | TWL4030_ATXR2_VTXR_EN;
1661
1662 if (enable)
1663 reg |= mask;
1664 else
1665 reg &= ~mask;
1666
1667 twl4030_write(codec, TWL4030_REG_OPTION, reg);
1668 }
1669
1670 static int twl4030_startup(struct snd_pcm_substream *substream,
1671 struct snd_soc_dai *dai)
1672 {
1673 struct snd_soc_codec *codec = dai->codec;
1674 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
1675
1676 if (twl4030->master_substream) {
1677 twl4030->slave_substream = substream;
1678 /* The DAI has one configuration for playback and capture, so
1679 * if the DAI has been already configured then constrain this
1680 * substream to match it. */
1681 if (twl4030->configured)
1682 twl4030_constraints(twl4030, twl4030->master_substream);
1683 } else {
1684 if (!(twl4030_read(codec, TWL4030_REG_CODEC_MODE) &
1685 TWL4030_OPTION_1)) {
1686 /* In option2 4 channel is not supported, set the
1687 * constraint for the first stream for channels, the
1688 * second stream will 'inherit' this cosntraint */
1689 snd_pcm_hw_constraint_minmax(substream->runtime,
1690 SNDRV_PCM_HW_PARAM_CHANNELS,
1691 2, 2);
1692 }
1693 twl4030->master_substream = substream;
1694 }
1695
1696 return 0;
1697 }
1698
1699 static void twl4030_shutdown(struct snd_pcm_substream *substream,
1700 struct snd_soc_dai *dai)
1701 {
1702 struct snd_soc_codec *codec = dai->codec;
1703 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
1704
1705 if (twl4030->master_substream == substream)
1706 twl4030->master_substream = twl4030->slave_substream;
1707
1708 twl4030->slave_substream = NULL;
1709
1710 /* If all streams are closed, or the remaining stream has not yet
1711 * been configured than set the DAI as not configured. */
1712 if (!twl4030->master_substream)
1713 twl4030->configured = 0;
1714 else if (!twl4030->master_substream->runtime->channels)
1715 twl4030->configured = 0;
1716
1717 /* If the closing substream had 4 channel, do the necessary cleanup */
1718 if (substream->runtime->channels == 4)
1719 twl4030_tdm_enable(codec, substream->stream, 0);
1720 }
1721
1722 static int twl4030_hw_params(struct snd_pcm_substream *substream,
1723 struct snd_pcm_hw_params *params,
1724 struct snd_soc_dai *dai)
1725 {
1726 struct snd_soc_codec *codec = dai->codec;
1727 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
1728 u8 mode, old_mode, format, old_format;
1729
1730 /* If the substream has 4 channel, do the necessary setup */
1731 if (params_channels(params) == 4) {
1732 format = twl4030_read(codec, TWL4030_REG_AUDIO_IF);
1733 mode = twl4030_read(codec, TWL4030_REG_CODEC_MODE);
1734
1735 /* Safety check: are we in the correct operating mode and
1736 * the interface is in TDM mode? */
1737 if ((mode & TWL4030_OPTION_1) &&
1738 ((format & TWL4030_AIF_FORMAT) == TWL4030_AIF_FORMAT_TDM))
1739 twl4030_tdm_enable(codec, substream->stream, 1);
1740 else
1741 return -EINVAL;
1742 }
1743
1744 if (twl4030->configured)
1745 /* Ignoring hw_params for already configured DAI */
1746 return 0;
1747
1748 /* bit rate */
1749 old_mode = twl4030_read(codec,
1750 TWL4030_REG_CODEC_MODE) & ~TWL4030_CODECPDZ;
1751 mode = old_mode & ~TWL4030_APLL_RATE;
1752
1753 switch (params_rate(params)) {
1754 case 8000:
1755 mode |= TWL4030_APLL_RATE_8000;
1756 break;
1757 case 11025:
1758 mode |= TWL4030_APLL_RATE_11025;
1759 break;
1760 case 12000:
1761 mode |= TWL4030_APLL_RATE_12000;
1762 break;
1763 case 16000:
1764 mode |= TWL4030_APLL_RATE_16000;
1765 break;
1766 case 22050:
1767 mode |= TWL4030_APLL_RATE_22050;
1768 break;
1769 case 24000:
1770 mode |= TWL4030_APLL_RATE_24000;
1771 break;
1772 case 32000:
1773 mode |= TWL4030_APLL_RATE_32000;
1774 break;
1775 case 44100:
1776 mode |= TWL4030_APLL_RATE_44100;
1777 break;
1778 case 48000:
1779 mode |= TWL4030_APLL_RATE_48000;
1780 break;
1781 case 96000:
1782 mode |= TWL4030_APLL_RATE_96000;
1783 break;
1784 default:
1785 dev_err(codec->dev, "%s: unknown rate %d\n", __func__,
1786 params_rate(params));
1787 return -EINVAL;
1788 }
1789
1790 /* sample size */
1791 old_format = twl4030_read(codec, TWL4030_REG_AUDIO_IF);
1792 format = old_format;
1793 format &= ~TWL4030_DATA_WIDTH;
1794 switch (params_format(params)) {
1795 case SNDRV_PCM_FORMAT_S16_LE:
1796 format |= TWL4030_DATA_WIDTH_16S_16W;
1797 break;
1798 case SNDRV_PCM_FORMAT_S32_LE:
1799 format |= TWL4030_DATA_WIDTH_32S_24W;
1800 break;
1801 default:
1802 dev_err(codec->dev, "%s: unknown format %d\n", __func__,
1803 params_format(params));
1804 return -EINVAL;
1805 }
1806
1807 if (format != old_format || mode != old_mode) {
1808 if (twl4030->codec_powered) {
1809 /*
1810 * If the codec is powered, than we need to toggle the
1811 * codec power.
1812 */
1813 twl4030_codec_enable(codec, 0);
1814 twl4030_write(codec, TWL4030_REG_CODEC_MODE, mode);
1815 twl4030_write(codec, TWL4030_REG_AUDIO_IF, format);
1816 twl4030_codec_enable(codec, 1);
1817 } else {
1818 twl4030_write(codec, TWL4030_REG_CODEC_MODE, mode);
1819 twl4030_write(codec, TWL4030_REG_AUDIO_IF, format);
1820 }
1821 }
1822
1823 /* Store the important parameters for the DAI configuration and set
1824 * the DAI as configured */
1825 twl4030->configured = 1;
1826 twl4030->rate = params_rate(params);
1827 twl4030->sample_bits = hw_param_interval(params,
1828 SNDRV_PCM_HW_PARAM_SAMPLE_BITS)->min;
1829 twl4030->channels = params_channels(params);
1830
1831 /* If both playback and capture streams are open, and one of them
1832 * is setting the hw parameters right now (since we are here), set
1833 * constraints to the other stream to match the current one. */
1834 if (twl4030->slave_substream)
1835 twl4030_constraints(twl4030, substream);
1836
1837 return 0;
1838 }
1839
1840 static int twl4030_set_dai_sysclk(struct snd_soc_dai *codec_dai, int clk_id,
1841 unsigned int freq, int dir)
1842 {
1843 struct snd_soc_codec *codec = codec_dai->codec;
1844 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
1845
1846 switch (freq) {
1847 case 19200000:
1848 case 26000000:
1849 case 38400000:
1850 break;
1851 default:
1852 dev_err(codec->dev, "Unsupported HFCLKIN: %u\n", freq);
1853 return -EINVAL;
1854 }
1855
1856 if ((freq / 1000) != twl4030->sysclk) {
1857 dev_err(codec->dev,
1858 "Mismatch in HFCLKIN: %u (configured: %u)\n",
1859 freq, twl4030->sysclk * 1000);
1860 return -EINVAL;
1861 }
1862
1863 return 0;
1864 }
1865
1866 static int twl4030_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
1867 {
1868 struct snd_soc_codec *codec = codec_dai->codec;
1869 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
1870 u8 old_format, format;
1871
1872 /* get format */
1873 old_format = twl4030_read(codec, TWL4030_REG_AUDIO_IF);
1874 format = old_format;
1875
1876 /* set master/slave audio interface */
1877 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1878 case SND_SOC_DAIFMT_CBM_CFM:
1879 format &= ~(TWL4030_AIF_SLAVE_EN);
1880 format &= ~(TWL4030_CLK256FS_EN);
1881 break;
1882 case SND_SOC_DAIFMT_CBS_CFS:
1883 format |= TWL4030_AIF_SLAVE_EN;
1884 format |= TWL4030_CLK256FS_EN;
1885 break;
1886 default:
1887 return -EINVAL;
1888 }
1889
1890 /* interface format */
1891 format &= ~TWL4030_AIF_FORMAT;
1892 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1893 case SND_SOC_DAIFMT_I2S:
1894 format |= TWL4030_AIF_FORMAT_CODEC;
1895 break;
1896 case SND_SOC_DAIFMT_DSP_A:
1897 format |= TWL4030_AIF_FORMAT_TDM;
1898 break;
1899 default:
1900 return -EINVAL;
1901 }
1902
1903 if (format != old_format) {
1904 if (twl4030->codec_powered) {
1905 /*
1906 * If the codec is powered, than we need to toggle the
1907 * codec power.
1908 */
1909 twl4030_codec_enable(codec, 0);
1910 twl4030_write(codec, TWL4030_REG_AUDIO_IF, format);
1911 twl4030_codec_enable(codec, 1);
1912 } else {
1913 twl4030_write(codec, TWL4030_REG_AUDIO_IF, format);
1914 }
1915 }
1916
1917 return 0;
1918 }
1919
1920 static int twl4030_set_tristate(struct snd_soc_dai *dai, int tristate)
1921 {
1922 struct snd_soc_codec *codec = dai->codec;
1923 u8 reg = twl4030_read(codec, TWL4030_REG_AUDIO_IF);
1924
1925 if (tristate)
1926 reg |= TWL4030_AIF_TRI_EN;
1927 else
1928 reg &= ~TWL4030_AIF_TRI_EN;
1929
1930 return twl4030_write(codec, TWL4030_REG_AUDIO_IF, reg);
1931 }
1932
1933 /* In case of voice mode, the RX1 L(VRX) for downlink and the TX2 L/R
1934 * (VTXL, VTXR) for uplink has to be enabled/disabled. */
1935 static void twl4030_voice_enable(struct snd_soc_codec *codec, int direction,
1936 int enable)
1937 {
1938 u8 reg, mask;
1939
1940 reg = twl4030_read(codec, TWL4030_REG_OPTION);
1941
1942 if (direction == SNDRV_PCM_STREAM_PLAYBACK)
1943 mask = TWL4030_ARXL1_VRX_EN;
1944 else
1945 mask = TWL4030_ATXL2_VTXL_EN | TWL4030_ATXR2_VTXR_EN;
1946
1947 if (enable)
1948 reg |= mask;
1949 else
1950 reg &= ~mask;
1951
1952 twl4030_write(codec, TWL4030_REG_OPTION, reg);
1953 }
1954
1955 static int twl4030_voice_startup(struct snd_pcm_substream *substream,
1956 struct snd_soc_dai *dai)
1957 {
1958 struct snd_soc_codec *codec = dai->codec;
1959 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
1960 u8 mode;
1961
1962 /* If the system master clock is not 26MHz, the voice PCM interface is
1963 * not available.
1964 */
1965 if (twl4030->sysclk != 26000) {
1966 dev_err(codec->dev,
1967 "%s: HFCLKIN is %u KHz, voice interface needs 26MHz\n",
1968 __func__, twl4030->sysclk);
1969 return -EINVAL;
1970 }
1971
1972 /* If the codec mode is not option2, the voice PCM interface is not
1973 * available.
1974 */
1975 mode = twl4030_read(codec, TWL4030_REG_CODEC_MODE)
1976 & TWL4030_OPT_MODE;
1977
1978 if (mode != TWL4030_OPTION_2) {
1979 dev_err(codec->dev, "%s: the codec mode is not option2\n",
1980 __func__);
1981 return -EINVAL;
1982 }
1983
1984 return 0;
1985 }
1986
1987 static void twl4030_voice_shutdown(struct snd_pcm_substream *substream,
1988 struct snd_soc_dai *dai)
1989 {
1990 struct snd_soc_codec *codec = dai->codec;
1991
1992 /* Enable voice digital filters */
1993 twl4030_voice_enable(codec, substream->stream, 0);
1994 }
1995
1996 static int twl4030_voice_hw_params(struct snd_pcm_substream *substream,
1997 struct snd_pcm_hw_params *params,
1998 struct snd_soc_dai *dai)
1999 {
2000 struct snd_soc_codec *codec = dai->codec;
2001 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
2002 u8 old_mode, mode;
2003
2004 /* Enable voice digital filters */
2005 twl4030_voice_enable(codec, substream->stream, 1);
2006
2007 /* bit rate */
2008 old_mode = twl4030_read(codec,
2009 TWL4030_REG_CODEC_MODE) & ~TWL4030_CODECPDZ;
2010 mode = old_mode;
2011
2012 switch (params_rate(params)) {
2013 case 8000:
2014 mode &= ~(TWL4030_SEL_16K);
2015 break;
2016 case 16000:
2017 mode |= TWL4030_SEL_16K;
2018 break;
2019 default:
2020 dev_err(codec->dev, "%s: unknown rate %d\n", __func__,
2021 params_rate(params));
2022 return -EINVAL;
2023 }
2024
2025 if (mode != old_mode) {
2026 if (twl4030->codec_powered) {
2027 /*
2028 * If the codec is powered, than we need to toggle the
2029 * codec power.
2030 */
2031 twl4030_codec_enable(codec, 0);
2032 twl4030_write(codec, TWL4030_REG_CODEC_MODE, mode);
2033 twl4030_codec_enable(codec, 1);
2034 } else {
2035 twl4030_write(codec, TWL4030_REG_CODEC_MODE, mode);
2036 }
2037 }
2038
2039 return 0;
2040 }
2041
2042 static int twl4030_voice_set_dai_sysclk(struct snd_soc_dai *codec_dai,
2043 int clk_id, unsigned int freq, int dir)
2044 {
2045 struct snd_soc_codec *codec = codec_dai->codec;
2046 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
2047
2048 if (freq != 26000000) {
2049 dev_err(codec->dev,
2050 "%s: HFCLKIN is %u KHz, voice interface needs 26MHz\n",
2051 __func__, freq / 1000);
2052 return -EINVAL;
2053 }
2054 if ((freq / 1000) != twl4030->sysclk) {
2055 dev_err(codec->dev,
2056 "Mismatch in HFCLKIN: %u (configured: %u)\n",
2057 freq, twl4030->sysclk * 1000);
2058 return -EINVAL;
2059 }
2060 return 0;
2061 }
2062
2063 static int twl4030_voice_set_dai_fmt(struct snd_soc_dai *codec_dai,
2064 unsigned int fmt)
2065 {
2066 struct snd_soc_codec *codec = codec_dai->codec;
2067 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
2068 u8 old_format, format;
2069
2070 /* get format */
2071 old_format = twl4030_read(codec, TWL4030_REG_VOICE_IF);
2072 format = old_format;
2073
2074 /* set master/slave audio interface */
2075 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
2076 case SND_SOC_DAIFMT_CBM_CFM:
2077 format &= ~(TWL4030_VIF_SLAVE_EN);
2078 break;
2079 case SND_SOC_DAIFMT_CBS_CFS:
2080 format |= TWL4030_VIF_SLAVE_EN;
2081 break;
2082 default:
2083 return -EINVAL;
2084 }
2085
2086 /* clock inversion */
2087 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
2088 case SND_SOC_DAIFMT_IB_NF:
2089 format &= ~(TWL4030_VIF_FORMAT);
2090 break;
2091 case SND_SOC_DAIFMT_NB_IF:
2092 format |= TWL4030_VIF_FORMAT;
2093 break;
2094 default:
2095 return -EINVAL;
2096 }
2097
2098 if (format != old_format) {
2099 if (twl4030->codec_powered) {
2100 /*
2101 * If the codec is powered, than we need to toggle the
2102 * codec power.
2103 */
2104 twl4030_codec_enable(codec, 0);
2105 twl4030_write(codec, TWL4030_REG_VOICE_IF, format);
2106 twl4030_codec_enable(codec, 1);
2107 } else {
2108 twl4030_write(codec, TWL4030_REG_VOICE_IF, format);
2109 }
2110 }
2111
2112 return 0;
2113 }
2114
2115 static int twl4030_voice_set_tristate(struct snd_soc_dai *dai, int tristate)
2116 {
2117 struct snd_soc_codec *codec = dai->codec;
2118 u8 reg = twl4030_read(codec, TWL4030_REG_VOICE_IF);
2119
2120 if (tristate)
2121 reg |= TWL4030_VIF_TRI_EN;
2122 else
2123 reg &= ~TWL4030_VIF_TRI_EN;
2124
2125 return twl4030_write(codec, TWL4030_REG_VOICE_IF, reg);
2126 }
2127
2128 #define TWL4030_RATES (SNDRV_PCM_RATE_8000_48000)
2129 #define TWL4030_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)
2130
2131 static const struct snd_soc_dai_ops twl4030_dai_hifi_ops = {
2132 .startup = twl4030_startup,
2133 .shutdown = twl4030_shutdown,
2134 .hw_params = twl4030_hw_params,
2135 .set_sysclk = twl4030_set_dai_sysclk,
2136 .set_fmt = twl4030_set_dai_fmt,
2137 .set_tristate = twl4030_set_tristate,
2138 };
2139
2140 static const struct snd_soc_dai_ops twl4030_dai_voice_ops = {
2141 .startup = twl4030_voice_startup,
2142 .shutdown = twl4030_voice_shutdown,
2143 .hw_params = twl4030_voice_hw_params,
2144 .set_sysclk = twl4030_voice_set_dai_sysclk,
2145 .set_fmt = twl4030_voice_set_dai_fmt,
2146 .set_tristate = twl4030_voice_set_tristate,
2147 };
2148
2149 static struct snd_soc_dai_driver twl4030_dai[] = {
2150 {
2151 .name = "twl4030-hifi",
2152 .playback = {
2153 .stream_name = "HiFi Playback",
2154 .channels_min = 2,
2155 .channels_max = 4,
2156 .rates = TWL4030_RATES | SNDRV_PCM_RATE_96000,
2157 .formats = TWL4030_FORMATS,
2158 .sig_bits = 24,},
2159 .capture = {
2160 .stream_name = "HiFi Capture",
2161 .channels_min = 2,
2162 .channels_max = 4,
2163 .rates = TWL4030_RATES,
2164 .formats = TWL4030_FORMATS,
2165 .sig_bits = 24,},
2166 .ops = &twl4030_dai_hifi_ops,
2167 },
2168 {
2169 .name = "twl4030-voice",
2170 .playback = {
2171 .stream_name = "Voice Playback",
2172 .channels_min = 1,
2173 .channels_max = 1,
2174 .rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000,
2175 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
2176 .capture = {
2177 .stream_name = "Voice Capture",
2178 .channels_min = 1,
2179 .channels_max = 2,
2180 .rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000,
2181 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
2182 .ops = &twl4030_dai_voice_ops,
2183 },
2184 };
2185
2186 static int twl4030_soc_probe(struct snd_soc_codec *codec)
2187 {
2188 struct twl4030_priv *twl4030;
2189
2190 twl4030 = devm_kzalloc(codec->dev, sizeof(struct twl4030_priv),
2191 GFP_KERNEL);
2192 if (twl4030 == NULL) {
2193 dev_err(codec->dev, "Can not allocate memory\n");
2194 return -ENOMEM;
2195 }
2196 snd_soc_codec_set_drvdata(codec, twl4030);
2197 /* Set the defaults, and power up the codec */
2198 twl4030->sysclk = twl4030_audio_get_mclk() / 1000;
2199
2200 twl4030_init_chip(codec);
2201
2202 return 0;
2203 }
2204
2205 static int twl4030_soc_remove(struct snd_soc_codec *codec)
2206 {
2207 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
2208 struct twl4030_codec_data *pdata = twl4030->pdata;
2209
2210 twl4030_set_bias_level(codec, SND_SOC_BIAS_OFF);
2211
2212 if (pdata && pdata->hs_extmute && gpio_is_valid(pdata->hs_extmute_gpio))
2213 gpio_free(pdata->hs_extmute_gpio);
2214
2215 return 0;
2216 }
2217
2218 static struct snd_soc_codec_driver soc_codec_dev_twl4030 = {
2219 .probe = twl4030_soc_probe,
2220 .remove = twl4030_soc_remove,
2221 .read = twl4030_read,
2222 .write = twl4030_write,
2223 .set_bias_level = twl4030_set_bias_level,
2224 .idle_bias_off = true,
2225
2226 .controls = twl4030_snd_controls,
2227 .num_controls = ARRAY_SIZE(twl4030_snd_controls),
2228 .dapm_widgets = twl4030_dapm_widgets,
2229 .num_dapm_widgets = ARRAY_SIZE(twl4030_dapm_widgets),
2230 .dapm_routes = intercon,
2231 .num_dapm_routes = ARRAY_SIZE(intercon),
2232 };
2233
2234 static int twl4030_codec_probe(struct platform_device *pdev)
2235 {
2236 return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_twl4030,
2237 twl4030_dai, ARRAY_SIZE(twl4030_dai));
2238 }
2239
2240 static int twl4030_codec_remove(struct platform_device *pdev)
2241 {
2242 snd_soc_unregister_codec(&pdev->dev);
2243 return 0;
2244 }
2245
2246 MODULE_ALIAS("platform:twl4030-codec");
2247
2248 static struct platform_driver twl4030_codec_driver = {
2249 .probe = twl4030_codec_probe,
2250 .remove = twl4030_codec_remove,
2251 .driver = {
2252 .name = "twl4030-codec",
2253 .owner = THIS_MODULE,
2254 },
2255 };
2256
2257 module_platform_driver(twl4030_codec_driver);
2258
2259 MODULE_DESCRIPTION("ASoC TWL4030 codec driver");
2260 MODULE_AUTHOR("Steve Sakoman");
2261 MODULE_LICENSE("GPL");
Linux kernel - Deliverables
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