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x86/speculation/mds: Fix documentation typo
[linux/fpc-iii.git] / sound / soc / codecs / twl4030.c
blobcfe72b9d4356069327e80d592ff1e660bca39258
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/mfd/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_get_child_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 of_node_put(twl4030_codec_node);
245 return NULL;
246 }
247 twl4030_setup_pdata_of(pdata, twl4030_codec_node);
248 of_node_put(twl4030_codec_node);
249 }
250
251 return pdata;
252 }
253
254 static void twl4030_init_chip(struct snd_soc_codec *codec)
255 {
256 struct twl4030_codec_data *pdata;
257 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
258 u8 reg, byte;
259 int i = 0;
260
261 pdata = twl4030_get_pdata(codec);
262
263 if (pdata && pdata->hs_extmute) {
264 if (gpio_is_valid(pdata->hs_extmute_gpio)) {
265 int ret;
266
267 if (!pdata->hs_extmute_gpio)
268 dev_warn(codec->dev,
269 "Extmute GPIO is 0 is this correct?\n");
270
271 ret = gpio_request_one(pdata->hs_extmute_gpio,
272 GPIOF_OUT_INIT_LOW,
273 "hs_extmute");
274 if (ret) {
275 dev_err(codec->dev,
276 "Failed to get hs_extmute GPIO\n");
277 pdata->hs_extmute_gpio = -1;
278 }
279 } else {
280 u8 pin_mux;
281
282 /* Set TWL4030 GPIO6 as EXTMUTE signal */
283 twl_i2c_read_u8(TWL4030_MODULE_INTBR, &pin_mux,
284 TWL4030_PMBR1_REG);
285 pin_mux &= ~TWL4030_GPIO6_PWM0_MUTE(0x03);
286 pin_mux |= TWL4030_GPIO6_PWM0_MUTE(0x02);
287 twl_i2c_write_u8(TWL4030_MODULE_INTBR, pin_mux,
288 TWL4030_PMBR1_REG);
289 }
290 }
291
292 /* Initialize the local ctl register cache */
293 tw4030_init_ctl_cache(twl4030);
294
295 /* anti-pop when changing analog gain */
296 reg = twl4030_read(codec, TWL4030_REG_MISC_SET_1);
297 twl4030_write(codec, TWL4030_REG_MISC_SET_1,
298 reg | TWL4030_SMOOTH_ANAVOL_EN);
299
300 twl4030_write(codec, TWL4030_REG_OPTION,
301 TWL4030_ATXL1_EN | TWL4030_ATXR1_EN |
302 TWL4030_ARXL2_EN | TWL4030_ARXR2_EN);
303
304 /* REG_ARXR2_APGA_CTL reset according to the TRM: 0dB, DA_EN */
305 twl4030_write(codec, TWL4030_REG_ARXR2_APGA_CTL, 0x32);
306
307 /* Machine dependent setup */
308 if (!pdata)
309 return;
310
311 twl4030->pdata = pdata;
312
313 reg = twl4030_read(codec, TWL4030_REG_HS_POPN_SET);
314 reg &= ~TWL4030_RAMP_DELAY;
315 reg |= (pdata->ramp_delay_value << 2);
316 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, reg);
317
318 /* initiate offset cancellation */
319 twl4030_codec_enable(codec, 1);
320
321 reg = twl4030_read(codec, TWL4030_REG_ANAMICL);
322 reg &= ~TWL4030_OFFSET_CNCL_SEL;
323 reg |= pdata->offset_cncl_path;
324 twl4030_write(codec, TWL4030_REG_ANAMICL,
325 reg | TWL4030_CNCL_OFFSET_START);
326
327 /*
328 * Wait for offset cancellation to complete.
329 * Since this takes a while, do not slam the i2c.
330 * Start polling the status after ~20ms.
331 */
332 msleep(20);
333 do {
334 usleep_range(1000, 2000);
335 twl_set_regcache_bypass(TWL4030_MODULE_AUDIO_VOICE, true);
336 twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &byte,
337 TWL4030_REG_ANAMICL);
338 twl_set_regcache_bypass(TWL4030_MODULE_AUDIO_VOICE, false);
339 } while ((i++ < 100) &&
340 ((byte & TWL4030_CNCL_OFFSET_START) ==
341 TWL4030_CNCL_OFFSET_START));
342
343 twl4030_codec_enable(codec, 0);
344 }
345
346 static void twl4030_apll_enable(struct snd_soc_codec *codec, int enable)
347 {
348 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
349
350 if (enable) {
351 twl4030->apll_enabled++;
352 if (twl4030->apll_enabled == 1)
353 twl4030_audio_enable_resource(
354 TWL4030_AUDIO_RES_APLL);
355 } else {
356 twl4030->apll_enabled--;
357 if (!twl4030->apll_enabled)
358 twl4030_audio_disable_resource(
359 TWL4030_AUDIO_RES_APLL);
360 }
361 }
362
363 /* Earpiece */
364 static const struct snd_kcontrol_new twl4030_dapm_earpiece_controls[] = {
365 SOC_DAPM_SINGLE("Voice", TWL4030_REG_EAR_CTL, 0, 1, 0),
366 SOC_DAPM_SINGLE("AudioL1", TWL4030_REG_EAR_CTL, 1, 1, 0),
367 SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_EAR_CTL, 2, 1, 0),
368 SOC_DAPM_SINGLE("AudioR1", TWL4030_REG_EAR_CTL, 3, 1, 0),
369 };
370
371 /* PreDrive Left */
372 static const struct snd_kcontrol_new twl4030_dapm_predrivel_controls[] = {
373 SOC_DAPM_SINGLE("Voice", TWL4030_REG_PREDL_CTL, 0, 1, 0),
374 SOC_DAPM_SINGLE("AudioL1", TWL4030_REG_PREDL_CTL, 1, 1, 0),
375 SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_PREDL_CTL, 2, 1, 0),
376 SOC_DAPM_SINGLE("AudioR2", TWL4030_REG_PREDL_CTL, 3, 1, 0),
377 };
378
379 /* PreDrive Right */
380 static const struct snd_kcontrol_new twl4030_dapm_predriver_controls[] = {
381 SOC_DAPM_SINGLE("Voice", TWL4030_REG_PREDR_CTL, 0, 1, 0),
382 SOC_DAPM_SINGLE("AudioR1", TWL4030_REG_PREDR_CTL, 1, 1, 0),
383 SOC_DAPM_SINGLE("AudioR2", TWL4030_REG_PREDR_CTL, 2, 1, 0),
384 SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_PREDR_CTL, 3, 1, 0),
385 };
386
387 /* Headset Left */
388 static const struct snd_kcontrol_new twl4030_dapm_hsol_controls[] = {
389 SOC_DAPM_SINGLE("Voice", TWL4030_REG_HS_SEL, 0, 1, 0),
390 SOC_DAPM_SINGLE("AudioL1", TWL4030_REG_HS_SEL, 1, 1, 0),
391 SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_HS_SEL, 2, 1, 0),
392 };
393
394 /* Headset Right */
395 static const struct snd_kcontrol_new twl4030_dapm_hsor_controls[] = {
396 SOC_DAPM_SINGLE("Voice", TWL4030_REG_HS_SEL, 3, 1, 0),
397 SOC_DAPM_SINGLE("AudioR1", TWL4030_REG_HS_SEL, 4, 1, 0),
398 SOC_DAPM_SINGLE("AudioR2", TWL4030_REG_HS_SEL, 5, 1, 0),
399 };
400
401 /* Carkit Left */
402 static const struct snd_kcontrol_new twl4030_dapm_carkitl_controls[] = {
403 SOC_DAPM_SINGLE("Voice", TWL4030_REG_PRECKL_CTL, 0, 1, 0),
404 SOC_DAPM_SINGLE("AudioL1", TWL4030_REG_PRECKL_CTL, 1, 1, 0),
405 SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_PRECKL_CTL, 2, 1, 0),
406 };
407
408 /* Carkit Right */
409 static const struct snd_kcontrol_new twl4030_dapm_carkitr_controls[] = {
410 SOC_DAPM_SINGLE("Voice", TWL4030_REG_PRECKR_CTL, 0, 1, 0),
411 SOC_DAPM_SINGLE("AudioR1", TWL4030_REG_PRECKR_CTL, 1, 1, 0),
412 SOC_DAPM_SINGLE("AudioR2", TWL4030_REG_PRECKR_CTL, 2, 1, 0),
413 };
414
415 /* Handsfree Left */
416 static const char *twl4030_handsfreel_texts[] =
417 {"Voice", "AudioL1", "AudioL2", "AudioR2"};
418
419 static SOC_ENUM_SINGLE_DECL(twl4030_handsfreel_enum,
420 TWL4030_REG_HFL_CTL, 0,
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 SOC_ENUM_SINGLE_DECL(twl4030_handsfreer_enum,
435 TWL4030_REG_HFR_CTL, 0,
436 twl4030_handsfreer_texts);
437
438 static const struct snd_kcontrol_new twl4030_dapm_handsfreer_control =
439 SOC_DAPM_ENUM("Route", twl4030_handsfreer_enum);
440
441 /* Handsfree Right virtual mute */
442 static const struct snd_kcontrol_new twl4030_dapm_handsfreermute_control =
443 SOC_DAPM_SINGLE_VIRT("Switch", 1);
444
445 /* Vibra */
446 /* Vibra audio path selection */
447 static const char *twl4030_vibra_texts[] =
448 {"AudioL1", "AudioR1", "AudioL2", "AudioR2"};
449
450 static SOC_ENUM_SINGLE_DECL(twl4030_vibra_enum,
451 TWL4030_REG_VIBRA_CTL, 2,
452 twl4030_vibra_texts);
453
454 static const struct snd_kcontrol_new twl4030_dapm_vibra_control =
455 SOC_DAPM_ENUM("Route", twl4030_vibra_enum);
456
457 /* Vibra path selection: local vibrator (PWM) or audio driven */
458 static const char *twl4030_vibrapath_texts[] =
459 {"Local vibrator", "Audio"};
460
461 static SOC_ENUM_SINGLE_DECL(twl4030_vibrapath_enum,
462 TWL4030_REG_VIBRA_CTL, 4,
463 twl4030_vibrapath_texts);
464
465 static const struct snd_kcontrol_new twl4030_dapm_vibrapath_control =
466 SOC_DAPM_ENUM("Route", twl4030_vibrapath_enum);
467
468 /* Left analog microphone selection */
469 static const struct snd_kcontrol_new twl4030_dapm_analoglmic_controls[] = {
470 SOC_DAPM_SINGLE("Main Mic Capture Switch",
471 TWL4030_REG_ANAMICL, 0, 1, 0),
472 SOC_DAPM_SINGLE("Headset Mic Capture Switch",
473 TWL4030_REG_ANAMICL, 1, 1, 0),
474 SOC_DAPM_SINGLE("AUXL Capture Switch",
475 TWL4030_REG_ANAMICL, 2, 1, 0),
476 SOC_DAPM_SINGLE("Carkit Mic Capture Switch",
477 TWL4030_REG_ANAMICL, 3, 1, 0),
478 };
479
480 /* Right analog microphone selection */
481 static const struct snd_kcontrol_new twl4030_dapm_analogrmic_controls[] = {
482 SOC_DAPM_SINGLE("Sub Mic Capture Switch", TWL4030_REG_ANAMICR, 0, 1, 0),
483 SOC_DAPM_SINGLE("AUXR Capture Switch", TWL4030_REG_ANAMICR, 2, 1, 0),
484 };
485
486 /* TX1 L/R Analog/Digital microphone selection */
487 static const char *twl4030_micpathtx1_texts[] =
488 {"Analog", "Digimic0"};
489
490 static SOC_ENUM_SINGLE_DECL(twl4030_micpathtx1_enum,
491 TWL4030_REG_ADCMICSEL, 0,
492 twl4030_micpathtx1_texts);
493
494 static const struct snd_kcontrol_new twl4030_dapm_micpathtx1_control =
495 SOC_DAPM_ENUM("Route", twl4030_micpathtx1_enum);
496
497 /* TX2 L/R Analog/Digital microphone selection */
498 static const char *twl4030_micpathtx2_texts[] =
499 {"Analog", "Digimic1"};
500
501 static SOC_ENUM_SINGLE_DECL(twl4030_micpathtx2_enum,
502 TWL4030_REG_ADCMICSEL, 2,
503 twl4030_micpathtx2_texts);
504
505 static const struct snd_kcontrol_new twl4030_dapm_micpathtx2_control =
506 SOC_DAPM_ENUM("Route", twl4030_micpathtx2_enum);
507
508 /* Analog bypass for AudioR1 */
509 static const struct snd_kcontrol_new twl4030_dapm_abypassr1_control =
510 SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXR1_APGA_CTL, 2, 1, 0);
511
512 /* Analog bypass for AudioL1 */
513 static const struct snd_kcontrol_new twl4030_dapm_abypassl1_control =
514 SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXL1_APGA_CTL, 2, 1, 0);
515
516 /* Analog bypass for AudioR2 */
517 static const struct snd_kcontrol_new twl4030_dapm_abypassr2_control =
518 SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXR2_APGA_CTL, 2, 1, 0);
519
520 /* Analog bypass for AudioL2 */
521 static const struct snd_kcontrol_new twl4030_dapm_abypassl2_control =
522 SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXL2_APGA_CTL, 2, 1, 0);
523
524 /* Analog bypass for Voice */
525 static const struct snd_kcontrol_new twl4030_dapm_abypassv_control =
526 SOC_DAPM_SINGLE("Switch", TWL4030_REG_VDL_APGA_CTL, 2, 1, 0);
527
528 /* Digital bypass gain, mute instead of -30dB */
529 static const DECLARE_TLV_DB_RANGE(twl4030_dapm_dbypass_tlv,
530 0, 1, TLV_DB_SCALE_ITEM(-3000, 600, 1),
531 2, 3, TLV_DB_SCALE_ITEM(-2400, 0, 0),
532 4, 7, TLV_DB_SCALE_ITEM(-1800, 600, 0)
533 );
534
535 /* Digital bypass left (TX1L -> RX2L) */
536 static const struct snd_kcontrol_new twl4030_dapm_dbypassl_control =
537 SOC_DAPM_SINGLE_TLV("Volume",
538 TWL4030_REG_ATX2ARXPGA, 3, 7, 0,
539 twl4030_dapm_dbypass_tlv);
540
541 /* Digital bypass right (TX1R -> RX2R) */
542 static const struct snd_kcontrol_new twl4030_dapm_dbypassr_control =
543 SOC_DAPM_SINGLE_TLV("Volume",
544 TWL4030_REG_ATX2ARXPGA, 0, 7, 0,
545 twl4030_dapm_dbypass_tlv);
546
547 /*
548 * Voice Sidetone GAIN volume control:
549 * from -51 to -10 dB in 1 dB steps (mute instead of -51 dB)
550 */
551 static DECLARE_TLV_DB_SCALE(twl4030_dapm_dbypassv_tlv, -5100, 100, 1);
552
553 /* Digital bypass voice: sidetone (VUL -> VDL)*/
554 static const struct snd_kcontrol_new twl4030_dapm_dbypassv_control =
555 SOC_DAPM_SINGLE_TLV("Volume",
556 TWL4030_REG_VSTPGA, 0, 0x29, 0,
557 twl4030_dapm_dbypassv_tlv);
558
559 /*
560 * Output PGA builder:
561 * Handle the muting and unmuting of the given output (turning off the
562 * amplifier associated with the output pin)
563 * On mute bypass the reg_cache and write 0 to the register
564 * On unmute: restore the register content from the reg_cache
565 * Outputs handled in this way: Earpiece, PreDrivL/R, CarkitL/R
566 */
567 #define TWL4030_OUTPUT_PGA(pin_name, reg, mask) \
568 static int pin_name##pga_event(struct snd_soc_dapm_widget *w, \
569 struct snd_kcontrol *kcontrol, int event) \
570 { \
571 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); \
572 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); \
573 \
574 switch (event) { \
575 case SND_SOC_DAPM_POST_PMU: \
576 twl4030->pin_name##_enabled = 1; \
577 twl4030_write(codec, reg, twl4030_read(codec, reg)); \
578 break; \
579 case SND_SOC_DAPM_POST_PMD: \
580 twl4030->pin_name##_enabled = 0; \
581 twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, 0, reg); \
582 break; \
583 } \
584 return 0; \
585 }
586
587 TWL4030_OUTPUT_PGA(earpiece, TWL4030_REG_EAR_CTL, TWL4030_EAR_GAIN);
588 TWL4030_OUTPUT_PGA(predrivel, TWL4030_REG_PREDL_CTL, TWL4030_PREDL_GAIN);
589 TWL4030_OUTPUT_PGA(predriver, TWL4030_REG_PREDR_CTL, TWL4030_PREDR_GAIN);
590 TWL4030_OUTPUT_PGA(carkitl, TWL4030_REG_PRECKL_CTL, TWL4030_PRECKL_GAIN);
591 TWL4030_OUTPUT_PGA(carkitr, TWL4030_REG_PRECKR_CTL, TWL4030_PRECKR_GAIN);
592
593 static void handsfree_ramp(struct snd_soc_codec *codec, int reg, int ramp)
594 {
595 unsigned char hs_ctl;
596
597 hs_ctl = twl4030_read(codec, reg);
598
599 if (ramp) {
600 /* HF ramp-up */
601 hs_ctl |= TWL4030_HF_CTL_REF_EN;
602 twl4030_write(codec, reg, hs_ctl);
603 udelay(10);
604 hs_ctl |= TWL4030_HF_CTL_RAMP_EN;
605 twl4030_write(codec, reg, hs_ctl);
606 udelay(40);
607 hs_ctl |= TWL4030_HF_CTL_LOOP_EN;
608 hs_ctl |= TWL4030_HF_CTL_HB_EN;
609 twl4030_write(codec, reg, hs_ctl);
610 } else {
611 /* HF ramp-down */
612 hs_ctl &= ~TWL4030_HF_CTL_LOOP_EN;
613 hs_ctl &= ~TWL4030_HF_CTL_HB_EN;
614 twl4030_write(codec, reg, hs_ctl);
615 hs_ctl &= ~TWL4030_HF_CTL_RAMP_EN;
616 twl4030_write(codec, reg, hs_ctl);
617 udelay(40);
618 hs_ctl &= ~TWL4030_HF_CTL_REF_EN;
619 twl4030_write(codec, reg, hs_ctl);
620 }
621 }
622
623 static int handsfreelpga_event(struct snd_soc_dapm_widget *w,
624 struct snd_kcontrol *kcontrol, int event)
625 {
626 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
627
628 switch (event) {
629 case SND_SOC_DAPM_POST_PMU:
630 handsfree_ramp(codec, TWL4030_REG_HFL_CTL, 1);
631 break;
632 case SND_SOC_DAPM_POST_PMD:
633 handsfree_ramp(codec, TWL4030_REG_HFL_CTL, 0);
634 break;
635 }
636 return 0;
637 }
638
639 static int handsfreerpga_event(struct snd_soc_dapm_widget *w,
640 struct snd_kcontrol *kcontrol, int event)
641 {
642 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
643
644 switch (event) {
645 case SND_SOC_DAPM_POST_PMU:
646 handsfree_ramp(codec, TWL4030_REG_HFR_CTL, 1);
647 break;
648 case SND_SOC_DAPM_POST_PMD:
649 handsfree_ramp(codec, TWL4030_REG_HFR_CTL, 0);
650 break;
651 }
652 return 0;
653 }
654
655 static int vibramux_event(struct snd_soc_dapm_widget *w,
656 struct snd_kcontrol *kcontrol, int event)
657 {
658 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
659
660 twl4030_write(codec, TWL4030_REG_VIBRA_SET, 0xff);
661 return 0;
662 }
663
664 static int apll_event(struct snd_soc_dapm_widget *w,
665 struct snd_kcontrol *kcontrol, int event)
666 {
667 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
668
669 switch (event) {
670 case SND_SOC_DAPM_PRE_PMU:
671 twl4030_apll_enable(codec, 1);
672 break;
673 case SND_SOC_DAPM_POST_PMD:
674 twl4030_apll_enable(codec, 0);
675 break;
676 }
677 return 0;
678 }
679
680 static int aif_event(struct snd_soc_dapm_widget *w,
681 struct snd_kcontrol *kcontrol, int event)
682 {
683 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
684 u8 audio_if;
685
686 audio_if = twl4030_read(codec, TWL4030_REG_AUDIO_IF);
687 switch (event) {
688 case SND_SOC_DAPM_PRE_PMU:
689 /* Enable AIF */
690 /* enable the PLL before we use it to clock the DAI */
691 twl4030_apll_enable(codec, 1);
692
693 twl4030_write(codec, TWL4030_REG_AUDIO_IF,
694 audio_if | TWL4030_AIF_EN);
695 break;
696 case SND_SOC_DAPM_POST_PMD:
697 /* disable the DAI before we stop it's source PLL */
698 twl4030_write(codec, TWL4030_REG_AUDIO_IF,
699 audio_if & ~TWL4030_AIF_EN);
700 twl4030_apll_enable(codec, 0);
701 break;
702 }
703 return 0;
704 }
705
706 static void headset_ramp(struct snd_soc_codec *codec, int ramp)
707 {
708 unsigned char hs_gain, hs_pop;
709 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
710 struct twl4030_codec_data *pdata = twl4030->pdata;
711 /* Base values for ramp delay calculation: 2^19 - 2^26 */
712 unsigned int ramp_base[] = {524288, 1048576, 2097152, 4194304,
713 8388608, 16777216, 33554432, 67108864};
714 unsigned int delay;
715
716 hs_gain = twl4030_read(codec, TWL4030_REG_HS_GAIN_SET);
717 hs_pop = twl4030_read(codec, TWL4030_REG_HS_POPN_SET);
718 delay = (ramp_base[(hs_pop & TWL4030_RAMP_DELAY) >> 2] /
719 twl4030->sysclk) + 1;
720
721 /* Enable external mute control, this dramatically reduces
722 * the pop-noise */
723 if (pdata && pdata->hs_extmute) {
724 if (gpio_is_valid(pdata->hs_extmute_gpio)) {
725 gpio_set_value(pdata->hs_extmute_gpio, 1);
726 } else {
727 hs_pop |= TWL4030_EXTMUTE;
728 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop);
729 }
730 }
731
732 if (ramp) {
733 /* Headset ramp-up according to the TRM */
734 hs_pop |= TWL4030_VMID_EN;
735 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop);
736 /* Actually write to the register */
737 twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, hs_gain,
738 TWL4030_REG_HS_GAIN_SET);
739 hs_pop |= TWL4030_RAMP_EN;
740 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop);
741 /* Wait ramp delay time + 1, so the VMID can settle */
742 twl4030_wait_ms(delay);
743 } else {
744 /* Headset ramp-down _not_ according to
745 * the TRM, but in a way that it is working */
746 hs_pop &= ~TWL4030_RAMP_EN;
747 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop);
748 /* Wait ramp delay time + 1, so the VMID can settle */
749 twl4030_wait_ms(delay);
750 /* Bypass the reg_cache to mute the headset */
751 twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, hs_gain & (~0x0f),
752 TWL4030_REG_HS_GAIN_SET);
753
754 hs_pop &= ~TWL4030_VMID_EN;
755 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop);
756 }
757
758 /* Disable external mute */
759 if (pdata && pdata->hs_extmute) {
760 if (gpio_is_valid(pdata->hs_extmute_gpio)) {
761 gpio_set_value(pdata->hs_extmute_gpio, 0);
762 } else {
763 hs_pop &= ~TWL4030_EXTMUTE;
764 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop);
765 }
766 }
767 }
768
769 static int headsetlpga_event(struct snd_soc_dapm_widget *w,
770 struct snd_kcontrol *kcontrol, int event)
771 {
772 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
773 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
774
775 switch (event) {
776 case SND_SOC_DAPM_POST_PMU:
777 /* Do the ramp-up only once */
778 if (!twl4030->hsr_enabled)
779 headset_ramp(codec, 1);
780
781 twl4030->hsl_enabled = 1;
782 break;
783 case SND_SOC_DAPM_POST_PMD:
784 /* Do the ramp-down only if both headsetL/R is disabled */
785 if (!twl4030->hsr_enabled)
786 headset_ramp(codec, 0);
787
788 twl4030->hsl_enabled = 0;
789 break;
790 }
791 return 0;
792 }
793
794 static int headsetrpga_event(struct snd_soc_dapm_widget *w,
795 struct snd_kcontrol *kcontrol, int event)
796 {
797 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
798 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
799
800 switch (event) {
801 case SND_SOC_DAPM_POST_PMU:
802 /* Do the ramp-up only once */
803 if (!twl4030->hsl_enabled)
804 headset_ramp(codec, 1);
805
806 twl4030->hsr_enabled = 1;
807 break;
808 case SND_SOC_DAPM_POST_PMD:
809 /* Do the ramp-down only if both headsetL/R is disabled */
810 if (!twl4030->hsl_enabled)
811 headset_ramp(codec, 0);
812
813 twl4030->hsr_enabled = 0;
814 break;
815 }
816 return 0;
817 }
818
819 static int digimic_event(struct snd_soc_dapm_widget *w,
820 struct snd_kcontrol *kcontrol, int event)
821 {
822 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
823 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
824 struct twl4030_codec_data *pdata = twl4030->pdata;
825
826 if (pdata && pdata->digimic_delay)
827 twl4030_wait_ms(pdata->digimic_delay);
828 return 0;
829 }
830
831 /*
832 * Some of the gain controls in TWL (mostly those which are associated with
833 * the outputs) are implemented in an interesting way:
834 * 0x0 : Power down (mute)
835 * 0x1 : 6dB
836 * 0x2 : 0 dB
837 * 0x3 : -6 dB
838 * Inverting not going to help with these.
839 * Custom volsw and volsw_2r get/put functions to handle these gain bits.
840 */
841 static int snd_soc_get_volsw_twl4030(struct snd_kcontrol *kcontrol,
842 struct snd_ctl_elem_value *ucontrol)
843 {
844 struct soc_mixer_control *mc =
845 (struct soc_mixer_control *)kcontrol->private_value;
846 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
847 unsigned int reg = mc->reg;
848 unsigned int shift = mc->shift;
849 unsigned int rshift = mc->rshift;
850 int max = mc->max;
851 int mask = (1 << fls(max)) - 1;
852
853 ucontrol->value.integer.value[0] =
854 (snd_soc_read(codec, reg) >> shift) & mask;
855 if (ucontrol->value.integer.value[0])
856 ucontrol->value.integer.value[0] =
857 max + 1 - ucontrol->value.integer.value[0];
858
859 if (shift != rshift) {
860 ucontrol->value.integer.value[1] =
861 (snd_soc_read(codec, reg) >> rshift) & mask;
862 if (ucontrol->value.integer.value[1])
863 ucontrol->value.integer.value[1] =
864 max + 1 - ucontrol->value.integer.value[1];
865 }
866
867 return 0;
868 }
869
870 static int snd_soc_put_volsw_twl4030(struct snd_kcontrol *kcontrol,
871 struct snd_ctl_elem_value *ucontrol)
872 {
873 struct soc_mixer_control *mc =
874 (struct soc_mixer_control *)kcontrol->private_value;
875 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
876 unsigned int reg = mc->reg;
877 unsigned int shift = mc->shift;
878 unsigned int rshift = mc->rshift;
879 int max = mc->max;
880 int mask = (1 << fls(max)) - 1;
881 unsigned short val, val2, val_mask;
882
883 val = (ucontrol->value.integer.value[0] & mask);
884
885 val_mask = mask << shift;
886 if (val)
887 val = max + 1 - val;
888 val = val << shift;
889 if (shift != rshift) {
890 val2 = (ucontrol->value.integer.value[1] & mask);
891 val_mask |= mask << rshift;
892 if (val2)
893 val2 = max + 1 - val2;
894 val |= val2 << rshift;
895 }
896 return snd_soc_update_bits(codec, reg, val_mask, val);
897 }
898
899 static int snd_soc_get_volsw_r2_twl4030(struct snd_kcontrol *kcontrol,
900 struct snd_ctl_elem_value *ucontrol)
901 {
902 struct soc_mixer_control *mc =
903 (struct soc_mixer_control *)kcontrol->private_value;
904 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
905 unsigned int reg = mc->reg;
906 unsigned int reg2 = mc->rreg;
907 unsigned int shift = mc->shift;
908 int max = mc->max;
909 int mask = (1<<fls(max))-1;
910
911 ucontrol->value.integer.value[0] =
912 (snd_soc_read(codec, reg) >> shift) & mask;
913 ucontrol->value.integer.value[1] =
914 (snd_soc_read(codec, reg2) >> shift) & mask;
915
916 if (ucontrol->value.integer.value[0])
917 ucontrol->value.integer.value[0] =
918 max + 1 - ucontrol->value.integer.value[0];
919 if (ucontrol->value.integer.value[1])
920 ucontrol->value.integer.value[1] =
921 max + 1 - ucontrol->value.integer.value[1];
922
923 return 0;
924 }
925
926 static int snd_soc_put_volsw_r2_twl4030(struct snd_kcontrol *kcontrol,
927 struct snd_ctl_elem_value *ucontrol)
928 {
929 struct soc_mixer_control *mc =
930 (struct soc_mixer_control *)kcontrol->private_value;
931 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
932 unsigned int reg = mc->reg;
933 unsigned int reg2 = mc->rreg;
934 unsigned int shift = mc->shift;
935 int max = mc->max;
936 int mask = (1 << fls(max)) - 1;
937 int err;
938 unsigned short val, val2, val_mask;
939
940 val_mask = mask << shift;
941 val = (ucontrol->value.integer.value[0] & mask);
942 val2 = (ucontrol->value.integer.value[1] & mask);
943
944 if (val)
945 val = max + 1 - val;
946 if (val2)
947 val2 = max + 1 - val2;
948
949 val = val << shift;
950 val2 = val2 << shift;
951
952 err = snd_soc_update_bits(codec, reg, val_mask, val);
953 if (err < 0)
954 return err;
955
956 err = snd_soc_update_bits(codec, reg2, val_mask, val2);
957 return err;
958 }
959
960 /* Codec operation modes */
961 static const char *twl4030_op_modes_texts[] = {
962 "Option 2 (voice/audio)", "Option 1 (audio)"
963 };
964
965 static SOC_ENUM_SINGLE_DECL(twl4030_op_modes_enum,
966 TWL4030_REG_CODEC_MODE, 0,
967 twl4030_op_modes_texts);
968
969 static int snd_soc_put_twl4030_opmode_enum_double(struct snd_kcontrol *kcontrol,
970 struct snd_ctl_elem_value *ucontrol)
971 {
972 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
973 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
974
975 if (twl4030->configured) {
976 dev_err(codec->dev,
977 "operation mode cannot be changed on-the-fly\n");
978 return -EBUSY;
979 }
980
981 return snd_soc_put_enum_double(kcontrol, ucontrol);
982 }
983
984 /*
985 * FGAIN volume control:
986 * from -62 to 0 dB in 1 dB steps (mute instead of -63 dB)
987 */
988 static DECLARE_TLV_DB_SCALE(digital_fine_tlv, -6300, 100, 1);
989
990 /*
991 * CGAIN volume control:
992 * 0 dB to 12 dB in 6 dB steps
993 * value 2 and 3 means 12 dB
994 */
995 static DECLARE_TLV_DB_SCALE(digital_coarse_tlv, 0, 600, 0);
996
997 /*
998 * Voice Downlink GAIN volume control:
999 * from -37 to 12 dB in 1 dB steps (mute instead of -37 dB)
1000 */
1001 static DECLARE_TLV_DB_SCALE(digital_voice_downlink_tlv, -3700, 100, 1);
1002
1003 /*
1004 * Analog playback gain
1005 * -24 dB to 12 dB in 2 dB steps
1006 */
1007 static DECLARE_TLV_DB_SCALE(analog_tlv, -2400, 200, 0);
1008
1009 /*
1010 * Gain controls tied to outputs
1011 * -6 dB to 6 dB in 6 dB steps (mute instead of -12)
1012 */
1013 static DECLARE_TLV_DB_SCALE(output_tvl, -1200, 600, 1);
1014
1015 /*
1016 * Gain control for earpiece amplifier
1017 * 0 dB to 12 dB in 6 dB steps (mute instead of -6)
1018 */
1019 static DECLARE_TLV_DB_SCALE(output_ear_tvl, -600, 600, 1);
1020
1021 /*
1022 * Capture gain after the ADCs
1023 * from 0 dB to 31 dB in 1 dB steps
1024 */
1025 static DECLARE_TLV_DB_SCALE(digital_capture_tlv, 0, 100, 0);
1026
1027 /*
1028 * Gain control for input amplifiers
1029 * 0 dB to 30 dB in 6 dB steps
1030 */
1031 static DECLARE_TLV_DB_SCALE(input_gain_tlv, 0, 600, 0);
1032
1033 /* AVADC clock priority */
1034 static const char *twl4030_avadc_clk_priority_texts[] = {
1035 "Voice high priority", "HiFi high priority"
1036 };
1037
1038 static SOC_ENUM_SINGLE_DECL(twl4030_avadc_clk_priority_enum,
1039 TWL4030_REG_AVADC_CTL, 2,
1040 twl4030_avadc_clk_priority_texts);
1041
1042 static const char *twl4030_rampdelay_texts[] = {
1043 "27/20/14 ms", "55/40/27 ms", "109/81/55 ms", "218/161/109 ms",
1044 "437/323/218 ms", "874/645/437 ms", "1748/1291/874 ms",
1045 "3495/2581/1748 ms"
1046 };
1047
1048 static SOC_ENUM_SINGLE_DECL(twl4030_rampdelay_enum,
1049 TWL4030_REG_HS_POPN_SET, 2,
1050 twl4030_rampdelay_texts);
1051
1052 /* Vibra H-bridge direction mode */
1053 static const char *twl4030_vibradirmode_texts[] = {
1054 "Vibra H-bridge direction", "Audio data MSB",
1055 };
1056
1057 static SOC_ENUM_SINGLE_DECL(twl4030_vibradirmode_enum,
1058 TWL4030_REG_VIBRA_CTL, 5,
1059 twl4030_vibradirmode_texts);
1060
1061 /* Vibra H-bridge direction */
1062 static const char *twl4030_vibradir_texts[] = {
1063 "Positive polarity", "Negative polarity",
1064 };
1065
1066 static SOC_ENUM_SINGLE_DECL(twl4030_vibradir_enum,
1067 TWL4030_REG_VIBRA_CTL, 1,
1068 twl4030_vibradir_texts);
1069
1070 /* Digimic Left and right swapping */
1071 static const char *twl4030_digimicswap_texts[] = {
1072 "Not swapped", "Swapped",
1073 };
1074
1075 static SOC_ENUM_SINGLE_DECL(twl4030_digimicswap_enum,
1076 TWL4030_REG_MISC_SET_1, 0,
1077 twl4030_digimicswap_texts);
1078
1079 static const struct snd_kcontrol_new twl4030_snd_controls[] = {
1080 /* Codec operation mode control */
1081 SOC_ENUM_EXT("Codec Operation Mode", twl4030_op_modes_enum,
1082 snd_soc_get_enum_double,
1083 snd_soc_put_twl4030_opmode_enum_double),
1084
1085 /* Common playback gain controls */
1086 SOC_DOUBLE_R_TLV("DAC1 Digital Fine Playback Volume",
1087 TWL4030_REG_ARXL1PGA, TWL4030_REG_ARXR1PGA,
1088 0, 0x3f, 0, digital_fine_tlv),
1089 SOC_DOUBLE_R_TLV("DAC2 Digital Fine Playback Volume",
1090 TWL4030_REG_ARXL2PGA, TWL4030_REG_ARXR2PGA,
1091 0, 0x3f, 0, digital_fine_tlv),
1092
1093 SOC_DOUBLE_R_TLV("DAC1 Digital Coarse Playback Volume",
1094 TWL4030_REG_ARXL1PGA, TWL4030_REG_ARXR1PGA,
1095 6, 0x2, 0, digital_coarse_tlv),
1096 SOC_DOUBLE_R_TLV("DAC2 Digital Coarse Playback Volume",
1097 TWL4030_REG_ARXL2PGA, TWL4030_REG_ARXR2PGA,
1098 6, 0x2, 0, digital_coarse_tlv),
1099
1100 SOC_DOUBLE_R_TLV("DAC1 Analog Playback Volume",
1101 TWL4030_REG_ARXL1_APGA_CTL, TWL4030_REG_ARXR1_APGA_CTL,
1102 3, 0x12, 1, analog_tlv),
1103 SOC_DOUBLE_R_TLV("DAC2 Analog Playback Volume",
1104 TWL4030_REG_ARXL2_APGA_CTL, TWL4030_REG_ARXR2_APGA_CTL,
1105 3, 0x12, 1, analog_tlv),
1106 SOC_DOUBLE_R("DAC1 Analog Playback Switch",
1107 TWL4030_REG_ARXL1_APGA_CTL, TWL4030_REG_ARXR1_APGA_CTL,
1108 1, 1, 0),
1109 SOC_DOUBLE_R("DAC2 Analog Playback Switch",
1110 TWL4030_REG_ARXL2_APGA_CTL, TWL4030_REG_ARXR2_APGA_CTL,
1111 1, 1, 0),
1112
1113 /* Common voice downlink gain controls */
1114 SOC_SINGLE_TLV("DAC Voice Digital Downlink Volume",
1115 TWL4030_REG_VRXPGA, 0, 0x31, 0, digital_voice_downlink_tlv),
1116
1117 SOC_SINGLE_TLV("DAC Voice Analog Downlink Volume",
1118 TWL4030_REG_VDL_APGA_CTL, 3, 0x12, 1, analog_tlv),
1119
1120 SOC_SINGLE("DAC Voice Analog Downlink Switch",
1121 TWL4030_REG_VDL_APGA_CTL, 1, 1, 0),
1122
1123 /* Separate output gain controls */
1124 SOC_DOUBLE_R_EXT_TLV("PreDriv Playback Volume",
1125 TWL4030_REG_PREDL_CTL, TWL4030_REG_PREDR_CTL,
1126 4, 3, 0, snd_soc_get_volsw_r2_twl4030,
1127 snd_soc_put_volsw_r2_twl4030, output_tvl),
1128
1129 SOC_DOUBLE_EXT_TLV("Headset Playback Volume",
1130 TWL4030_REG_HS_GAIN_SET, 0, 2, 3, 0, snd_soc_get_volsw_twl4030,
1131 snd_soc_put_volsw_twl4030, output_tvl),
1132
1133 SOC_DOUBLE_R_EXT_TLV("Carkit Playback Volume",
1134 TWL4030_REG_PRECKL_CTL, TWL4030_REG_PRECKR_CTL,
1135 4, 3, 0, snd_soc_get_volsw_r2_twl4030,
1136 snd_soc_put_volsw_r2_twl4030, output_tvl),
1137
1138 SOC_SINGLE_EXT_TLV("Earpiece Playback Volume",
1139 TWL4030_REG_EAR_CTL, 4, 3, 0, snd_soc_get_volsw_twl4030,
1140 snd_soc_put_volsw_twl4030, output_ear_tvl),
1141
1142 /* Common capture gain controls */
1143 SOC_DOUBLE_R_TLV("TX1 Digital Capture Volume",
1144 TWL4030_REG_ATXL1PGA, TWL4030_REG_ATXR1PGA,
1145 0, 0x1f, 0, digital_capture_tlv),
1146 SOC_DOUBLE_R_TLV("TX2 Digital Capture Volume",
1147 TWL4030_REG_AVTXL2PGA, TWL4030_REG_AVTXR2PGA,
1148 0, 0x1f, 0, digital_capture_tlv),
1149
1150 SOC_DOUBLE_TLV("Analog Capture Volume", TWL4030_REG_ANAMIC_GAIN,
1151 0, 3, 5, 0, input_gain_tlv),
1152
1153 SOC_ENUM("AVADC Clock Priority", twl4030_avadc_clk_priority_enum),
1154
1155 SOC_ENUM("HS ramp delay", twl4030_rampdelay_enum),
1156
1157 SOC_ENUM("Vibra H-bridge mode", twl4030_vibradirmode_enum),
1158 SOC_ENUM("Vibra H-bridge direction", twl4030_vibradir_enum),
1159
1160 SOC_ENUM("Digimic LR Swap", twl4030_digimicswap_enum),
1161 };
1162
1163 static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = {
1164 /* Left channel inputs */
1165 SND_SOC_DAPM_INPUT("MAINMIC"),
1166 SND_SOC_DAPM_INPUT("HSMIC"),
1167 SND_SOC_DAPM_INPUT("AUXL"),
1168 SND_SOC_DAPM_INPUT("CARKITMIC"),
1169 /* Right channel inputs */
1170 SND_SOC_DAPM_INPUT("SUBMIC"),
1171 SND_SOC_DAPM_INPUT("AUXR"),
1172 /* Digital microphones (Stereo) */
1173 SND_SOC_DAPM_INPUT("DIGIMIC0"),
1174 SND_SOC_DAPM_INPUT("DIGIMIC1"),
1175
1176 /* Outputs */
1177 SND_SOC_DAPM_OUTPUT("EARPIECE"),
1178 SND_SOC_DAPM_OUTPUT("PREDRIVEL"),
1179 SND_SOC_DAPM_OUTPUT("PREDRIVER"),
1180 SND_SOC_DAPM_OUTPUT("HSOL"),
1181 SND_SOC_DAPM_OUTPUT("HSOR"),
1182 SND_SOC_DAPM_OUTPUT("CARKITL"),
1183 SND_SOC_DAPM_OUTPUT("CARKITR"),
1184 SND_SOC_DAPM_OUTPUT("HFL"),
1185 SND_SOC_DAPM_OUTPUT("HFR"),
1186 SND_SOC_DAPM_OUTPUT("VIBRA"),
1187
1188 /* AIF and APLL clocks for running DAIs (including loopback) */
1189 SND_SOC_DAPM_OUTPUT("Virtual HiFi OUT"),
1190 SND_SOC_DAPM_INPUT("Virtual HiFi IN"),
1191 SND_SOC_DAPM_OUTPUT("Virtual Voice OUT"),
1192
1193 /* DACs */
1194 SND_SOC_DAPM_DAC("DAC Right1", NULL, SND_SOC_NOPM, 0, 0),
1195 SND_SOC_DAPM_DAC("DAC Left1", NULL, SND_SOC_NOPM, 0, 0),
1196 SND_SOC_DAPM_DAC("DAC Right2", NULL, SND_SOC_NOPM, 0, 0),
1197 SND_SOC_DAPM_DAC("DAC Left2", NULL, SND_SOC_NOPM, 0, 0),
1198 SND_SOC_DAPM_DAC("DAC Voice", NULL, SND_SOC_NOPM, 0, 0),
1199
1200 SND_SOC_DAPM_AIF_IN("VAIFIN", "Voice Playback", 0,
1201 TWL4030_REG_VOICE_IF, 6, 0),
1202
1203 /* Analog bypasses */
1204 SND_SOC_DAPM_SWITCH("Right1 Analog Loopback", SND_SOC_NOPM, 0, 0,
1205 &twl4030_dapm_abypassr1_control),
1206 SND_SOC_DAPM_SWITCH("Left1 Analog Loopback", SND_SOC_NOPM, 0, 0,
1207 &twl4030_dapm_abypassl1_control),
1208 SND_SOC_DAPM_SWITCH("Right2 Analog Loopback", SND_SOC_NOPM, 0, 0,
1209 &twl4030_dapm_abypassr2_control),
1210 SND_SOC_DAPM_SWITCH("Left2 Analog Loopback", SND_SOC_NOPM, 0, 0,
1211 &twl4030_dapm_abypassl2_control),
1212 SND_SOC_DAPM_SWITCH("Voice Analog Loopback", SND_SOC_NOPM, 0, 0,
1213 &twl4030_dapm_abypassv_control),
1214
1215 /* Master analog loopback switch */
1216 SND_SOC_DAPM_SUPPLY("FM Loop Enable", TWL4030_REG_MISC_SET_1, 5, 0,
1217 NULL, 0),
1218
1219 /* Digital bypasses */
1220 SND_SOC_DAPM_SWITCH("Left Digital Loopback", SND_SOC_NOPM, 0, 0,
1221 &twl4030_dapm_dbypassl_control),
1222 SND_SOC_DAPM_SWITCH("Right Digital Loopback", SND_SOC_NOPM, 0, 0,
1223 &twl4030_dapm_dbypassr_control),
1224 SND_SOC_DAPM_SWITCH("Voice Digital Loopback", SND_SOC_NOPM, 0, 0,
1225 &twl4030_dapm_dbypassv_control),
1226
1227 /* Digital mixers, power control for the physical DACs */
1228 SND_SOC_DAPM_MIXER("Digital R1 Playback Mixer",
1229 TWL4030_REG_AVDAC_CTL, 0, 0, NULL, 0),
1230 SND_SOC_DAPM_MIXER("Digital L1 Playback Mixer",
1231 TWL4030_REG_AVDAC_CTL, 1, 0, NULL, 0),
1232 SND_SOC_DAPM_MIXER("Digital R2 Playback Mixer",
1233 TWL4030_REG_AVDAC_CTL, 2, 0, NULL, 0),
1234 SND_SOC_DAPM_MIXER("Digital L2 Playback Mixer",
1235 TWL4030_REG_AVDAC_CTL, 3, 0, NULL, 0),
1236 SND_SOC_DAPM_MIXER("Digital Voice Playback Mixer",
1237 TWL4030_REG_AVDAC_CTL, 4, 0, NULL, 0),
1238
1239 /* Analog mixers, power control for the physical PGAs */
1240 SND_SOC_DAPM_MIXER("Analog R1 Playback Mixer",
1241 TWL4030_REG_ARXR1_APGA_CTL, 0, 0, NULL, 0),
1242 SND_SOC_DAPM_MIXER("Analog L1 Playback Mixer",
1243 TWL4030_REG_ARXL1_APGA_CTL, 0, 0, NULL, 0),
1244 SND_SOC_DAPM_MIXER("Analog R2 Playback Mixer",
1245 TWL4030_REG_ARXR2_APGA_CTL, 0, 0, NULL, 0),
1246 SND_SOC_DAPM_MIXER("Analog L2 Playback Mixer",
1247 TWL4030_REG_ARXL2_APGA_CTL, 0, 0, NULL, 0),
1248 SND_SOC_DAPM_MIXER("Analog Voice Playback Mixer",
1249 TWL4030_REG_VDL_APGA_CTL, 0, 0, NULL, 0),
1250
1251 SND_SOC_DAPM_SUPPLY("APLL Enable", SND_SOC_NOPM, 0, 0, apll_event,
1252 SND_SOC_DAPM_PRE_PMU|SND_SOC_DAPM_POST_PMD),
1253
1254 SND_SOC_DAPM_SUPPLY("AIF Enable", SND_SOC_NOPM, 0, 0, aif_event,
1255 SND_SOC_DAPM_PRE_PMU|SND_SOC_DAPM_POST_PMD),
1256
1257 /* Output MIXER controls */
1258 /* Earpiece */
1259 SND_SOC_DAPM_MIXER("Earpiece Mixer", SND_SOC_NOPM, 0, 0,
1260 &twl4030_dapm_earpiece_controls[0],
1261 ARRAY_SIZE(twl4030_dapm_earpiece_controls)),
1262 SND_SOC_DAPM_PGA_E("Earpiece PGA", SND_SOC_NOPM,
1263 0, 0, NULL, 0, earpiecepga_event,
1264 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1265 /* PreDrivL/R */
1266 SND_SOC_DAPM_MIXER("PredriveL Mixer", SND_SOC_NOPM, 0, 0,
1267 &twl4030_dapm_predrivel_controls[0],
1268 ARRAY_SIZE(twl4030_dapm_predrivel_controls)),
1269 SND_SOC_DAPM_PGA_E("PredriveL PGA", SND_SOC_NOPM,
1270 0, 0, NULL, 0, predrivelpga_event,
1271 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1272 SND_SOC_DAPM_MIXER("PredriveR Mixer", SND_SOC_NOPM, 0, 0,
1273 &twl4030_dapm_predriver_controls[0],
1274 ARRAY_SIZE(twl4030_dapm_predriver_controls)),
1275 SND_SOC_DAPM_PGA_E("PredriveR PGA", SND_SOC_NOPM,
1276 0, 0, NULL, 0, predriverpga_event,
1277 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1278 /* HeadsetL/R */
1279 SND_SOC_DAPM_MIXER("HeadsetL Mixer", SND_SOC_NOPM, 0, 0,
1280 &twl4030_dapm_hsol_controls[0],
1281 ARRAY_SIZE(twl4030_dapm_hsol_controls)),
1282 SND_SOC_DAPM_PGA_E("HeadsetL PGA", SND_SOC_NOPM,
1283 0, 0, NULL, 0, headsetlpga_event,
1284 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1285 SND_SOC_DAPM_MIXER("HeadsetR Mixer", SND_SOC_NOPM, 0, 0,
1286 &twl4030_dapm_hsor_controls[0],
1287 ARRAY_SIZE(twl4030_dapm_hsor_controls)),
1288 SND_SOC_DAPM_PGA_E("HeadsetR PGA", SND_SOC_NOPM,
1289 0, 0, NULL, 0, headsetrpga_event,
1290 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1291 /* CarkitL/R */
1292 SND_SOC_DAPM_MIXER("CarkitL Mixer", SND_SOC_NOPM, 0, 0,
1293 &twl4030_dapm_carkitl_controls[0],
1294 ARRAY_SIZE(twl4030_dapm_carkitl_controls)),
1295 SND_SOC_DAPM_PGA_E("CarkitL PGA", SND_SOC_NOPM,
1296 0, 0, NULL, 0, carkitlpga_event,
1297 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1298 SND_SOC_DAPM_MIXER("CarkitR Mixer", SND_SOC_NOPM, 0, 0,
1299 &twl4030_dapm_carkitr_controls[0],
1300 ARRAY_SIZE(twl4030_dapm_carkitr_controls)),
1301 SND_SOC_DAPM_PGA_E("CarkitR PGA", SND_SOC_NOPM,
1302 0, 0, NULL, 0, carkitrpga_event,
1303 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1304
1305 /* Output MUX controls */
1306 /* HandsfreeL/R */
1307 SND_SOC_DAPM_MUX("HandsfreeL Mux", SND_SOC_NOPM, 0, 0,
1308 &twl4030_dapm_handsfreel_control),
1309 SND_SOC_DAPM_SWITCH("HandsfreeL", SND_SOC_NOPM, 0, 0,
1310 &twl4030_dapm_handsfreelmute_control),
1311 SND_SOC_DAPM_PGA_E("HandsfreeL PGA", SND_SOC_NOPM,
1312 0, 0, NULL, 0, handsfreelpga_event,
1313 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1314 SND_SOC_DAPM_MUX("HandsfreeR Mux", SND_SOC_NOPM, 5, 0,
1315 &twl4030_dapm_handsfreer_control),
1316 SND_SOC_DAPM_SWITCH("HandsfreeR", SND_SOC_NOPM, 0, 0,
1317 &twl4030_dapm_handsfreermute_control),
1318 SND_SOC_DAPM_PGA_E("HandsfreeR PGA", SND_SOC_NOPM,
1319 0, 0, NULL, 0, handsfreerpga_event,
1320 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1321 /* Vibra */
1322 SND_SOC_DAPM_MUX_E("Vibra Mux", TWL4030_REG_VIBRA_CTL, 0, 0,
1323 &twl4030_dapm_vibra_control, vibramux_event,
1324 SND_SOC_DAPM_PRE_PMU),
1325 SND_SOC_DAPM_MUX("Vibra Route", SND_SOC_NOPM, 0, 0,
1326 &twl4030_dapm_vibrapath_control),
1327
1328 /* Introducing four virtual ADC, since TWL4030 have four channel for
1329 capture */
1330 SND_SOC_DAPM_ADC("ADC Virtual Left1", NULL, SND_SOC_NOPM, 0, 0),
1331 SND_SOC_DAPM_ADC("ADC Virtual Right1", NULL, SND_SOC_NOPM, 0, 0),
1332 SND_SOC_DAPM_ADC("ADC Virtual Left2", NULL, SND_SOC_NOPM, 0, 0),
1333 SND_SOC_DAPM_ADC("ADC Virtual Right2", NULL, SND_SOC_NOPM, 0, 0),
1334
1335 SND_SOC_DAPM_AIF_OUT("VAIFOUT", "Voice Capture", 0,
1336 TWL4030_REG_VOICE_IF, 5, 0),
1337
1338 /* Analog/Digital mic path selection.
1339 TX1 Left/Right: either analog Left/Right or Digimic0
1340 TX2 Left/Right: either analog Left/Right or Digimic1 */
1341 SND_SOC_DAPM_MUX("TX1 Capture Route", SND_SOC_NOPM, 0, 0,
1342 &twl4030_dapm_micpathtx1_control),
1343 SND_SOC_DAPM_MUX("TX2 Capture Route", SND_SOC_NOPM, 0, 0,
1344 &twl4030_dapm_micpathtx2_control),
1345
1346 /* Analog input mixers for the capture amplifiers */
1347 SND_SOC_DAPM_MIXER("Analog Left",
1348 TWL4030_REG_ANAMICL, 4, 0,
1349 &twl4030_dapm_analoglmic_controls[0],
1350 ARRAY_SIZE(twl4030_dapm_analoglmic_controls)),
1351 SND_SOC_DAPM_MIXER("Analog Right",
1352 TWL4030_REG_ANAMICR, 4, 0,
1353 &twl4030_dapm_analogrmic_controls[0],
1354 ARRAY_SIZE(twl4030_dapm_analogrmic_controls)),
1355
1356 SND_SOC_DAPM_PGA("ADC Physical Left",
1357 TWL4030_REG_AVADC_CTL, 3, 0, NULL, 0),
1358 SND_SOC_DAPM_PGA("ADC Physical Right",
1359 TWL4030_REG_AVADC_CTL, 1, 0, NULL, 0),
1360
1361 SND_SOC_DAPM_PGA_E("Digimic0 Enable",
1362 TWL4030_REG_ADCMICSEL, 1, 0, NULL, 0,
1363 digimic_event, SND_SOC_DAPM_POST_PMU),
1364 SND_SOC_DAPM_PGA_E("Digimic1 Enable",
1365 TWL4030_REG_ADCMICSEL, 3, 0, NULL, 0,
1366 digimic_event, SND_SOC_DAPM_POST_PMU),
1367
1368 SND_SOC_DAPM_SUPPLY("micbias1 select", TWL4030_REG_MICBIAS_CTL, 5, 0,
1369 NULL, 0),
1370 SND_SOC_DAPM_SUPPLY("micbias2 select", TWL4030_REG_MICBIAS_CTL, 6, 0,
1371 NULL, 0),
1372
1373 /* Microphone bias */
1374 SND_SOC_DAPM_SUPPLY("Mic Bias 1",
1375 TWL4030_REG_MICBIAS_CTL, 0, 0, NULL, 0),
1376 SND_SOC_DAPM_SUPPLY("Mic Bias 2",
1377 TWL4030_REG_MICBIAS_CTL, 1, 0, NULL, 0),
1378 SND_SOC_DAPM_SUPPLY("Headset Mic Bias",
1379 TWL4030_REG_MICBIAS_CTL, 2, 0, NULL, 0),
1380
1381 SND_SOC_DAPM_SUPPLY("VIF Enable", TWL4030_REG_VOICE_IF, 0, 0, NULL, 0),
1382 };
1383
1384 static const struct snd_soc_dapm_route intercon[] = {
1385 /* Stream -> DAC mapping */
1386 {"DAC Right1", NULL, "HiFi Playback"},
1387 {"DAC Left1", NULL, "HiFi Playback"},
1388 {"DAC Right2", NULL, "HiFi Playback"},
1389 {"DAC Left2", NULL, "HiFi Playback"},
1390 {"DAC Voice", NULL, "VAIFIN"},
1391
1392 /* ADC -> Stream mapping */
1393 {"HiFi Capture", NULL, "ADC Virtual Left1"},
1394 {"HiFi Capture", NULL, "ADC Virtual Right1"},
1395 {"HiFi Capture", NULL, "ADC Virtual Left2"},
1396 {"HiFi Capture", NULL, "ADC Virtual Right2"},
1397 {"VAIFOUT", NULL, "ADC Virtual Left2"},
1398 {"VAIFOUT", NULL, "ADC Virtual Right2"},
1399 {"VAIFOUT", NULL, "VIF Enable"},
1400
1401 {"Digital L1 Playback Mixer", NULL, "DAC Left1"},
1402 {"Digital R1 Playback Mixer", NULL, "DAC Right1"},
1403 {"Digital L2 Playback Mixer", NULL, "DAC Left2"},
1404 {"Digital R2 Playback Mixer", NULL, "DAC Right2"},
1405 {"Digital Voice Playback Mixer", NULL, "DAC Voice"},
1406
1407 /* Supply for the digital part (APLL) */
1408 {"Digital Voice Playback Mixer", NULL, "APLL Enable"},
1409
1410 {"DAC Left1", NULL, "AIF Enable"},
1411 {"DAC Right1", NULL, "AIF Enable"},
1412 {"DAC Left2", NULL, "AIF Enable"},
1413 {"DAC Right1", NULL, "AIF Enable"},
1414 {"DAC Voice", NULL, "VIF Enable"},
1415
1416 {"Digital R2 Playback Mixer", NULL, "AIF Enable"},
1417 {"Digital L2 Playback Mixer", NULL, "AIF Enable"},
1418
1419 {"Analog L1 Playback Mixer", NULL, "Digital L1 Playback Mixer"},
1420 {"Analog R1 Playback Mixer", NULL, "Digital R1 Playback Mixer"},
1421 {"Analog L2 Playback Mixer", NULL, "Digital L2 Playback Mixer"},
1422 {"Analog R2 Playback Mixer", NULL, "Digital R2 Playback Mixer"},
1423 {"Analog Voice Playback Mixer", NULL, "Digital Voice Playback Mixer"},
1424
1425 /* Internal playback routings */
1426 /* Earpiece */
1427 {"Earpiece Mixer", "Voice", "Analog Voice Playback Mixer"},
1428 {"Earpiece Mixer", "AudioL1", "Analog L1 Playback Mixer"},
1429 {"Earpiece Mixer", "AudioL2", "Analog L2 Playback Mixer"},
1430 {"Earpiece Mixer", "AudioR1", "Analog R1 Playback Mixer"},
1431 {"Earpiece PGA", NULL, "Earpiece Mixer"},
1432 /* PreDrivL */
1433 {"PredriveL Mixer", "Voice", "Analog Voice Playback Mixer"},
1434 {"PredriveL Mixer", "AudioL1", "Analog L1 Playback Mixer"},
1435 {"PredriveL Mixer", "AudioL2", "Analog L2 Playback Mixer"},
1436 {"PredriveL Mixer", "AudioR2", "Analog R2 Playback Mixer"},
1437 {"PredriveL PGA", NULL, "PredriveL Mixer"},
1438 /* PreDrivR */
1439 {"PredriveR Mixer", "Voice", "Analog Voice Playback Mixer"},
1440 {"PredriveR Mixer", "AudioR1", "Analog R1 Playback Mixer"},
1441 {"PredriveR Mixer", "AudioR2", "Analog R2 Playback Mixer"},
1442 {"PredriveR Mixer", "AudioL2", "Analog L2 Playback Mixer"},
1443 {"PredriveR PGA", NULL, "PredriveR Mixer"},
1444 /* HeadsetL */
1445 {"HeadsetL Mixer", "Voice", "Analog Voice Playback Mixer"},
1446 {"HeadsetL Mixer", "AudioL1", "Analog L1 Playback Mixer"},
1447 {"HeadsetL Mixer", "AudioL2", "Analog L2 Playback Mixer"},
1448 {"HeadsetL PGA", NULL, "HeadsetL Mixer"},
1449 /* HeadsetR */
1450 {"HeadsetR Mixer", "Voice", "Analog Voice Playback Mixer"},
1451 {"HeadsetR Mixer", "AudioR1", "Analog R1 Playback Mixer"},
1452 {"HeadsetR Mixer", "AudioR2", "Analog R2 Playback Mixer"},
1453 {"HeadsetR PGA", NULL, "HeadsetR Mixer"},
1454 /* CarkitL */
1455 {"CarkitL Mixer", "Voice", "Analog Voice Playback Mixer"},
1456 {"CarkitL Mixer", "AudioL1", "Analog L1 Playback Mixer"},
1457 {"CarkitL Mixer", "AudioL2", "Analog L2 Playback Mixer"},
1458 {"CarkitL PGA", NULL, "CarkitL Mixer"},
1459 /* CarkitR */
1460 {"CarkitR Mixer", "Voice", "Analog Voice Playback Mixer"},
1461 {"CarkitR Mixer", "AudioR1", "Analog R1 Playback Mixer"},
1462 {"CarkitR Mixer", "AudioR2", "Analog R2 Playback Mixer"},
1463 {"CarkitR PGA", NULL, "CarkitR Mixer"},
1464 /* HandsfreeL */
1465 {"HandsfreeL Mux", "Voice", "Analog Voice Playback Mixer"},
1466 {"HandsfreeL Mux", "AudioL1", "Analog L1 Playback Mixer"},
1467 {"HandsfreeL Mux", "AudioL2", "Analog L2 Playback Mixer"},
1468 {"HandsfreeL Mux", "AudioR2", "Analog R2 Playback Mixer"},
1469 {"HandsfreeL", "Switch", "HandsfreeL Mux"},
1470 {"HandsfreeL PGA", NULL, "HandsfreeL"},
1471 /* HandsfreeR */
1472 {"HandsfreeR Mux", "Voice", "Analog Voice Playback Mixer"},
1473 {"HandsfreeR Mux", "AudioR1", "Analog R1 Playback Mixer"},
1474 {"HandsfreeR Mux", "AudioR2", "Analog R2 Playback Mixer"},
1475 {"HandsfreeR Mux", "AudioL2", "Analog L2 Playback Mixer"},
1476 {"HandsfreeR", "Switch", "HandsfreeR Mux"},
1477 {"HandsfreeR PGA", NULL, "HandsfreeR"},
1478 /* Vibra */
1479 {"Vibra Mux", "AudioL1", "DAC Left1"},
1480 {"Vibra Mux", "AudioR1", "DAC Right1"},
1481 {"Vibra Mux", "AudioL2", "DAC Left2"},
1482 {"Vibra Mux", "AudioR2", "DAC Right2"},
1483
1484 /* outputs */
1485 /* Must be always connected (for AIF and APLL) */
1486 {"Virtual HiFi OUT", NULL, "DAC Left1"},
1487 {"Virtual HiFi OUT", NULL, "DAC Right1"},
1488 {"Virtual HiFi OUT", NULL, "DAC Left2"},
1489 {"Virtual HiFi OUT", NULL, "DAC Right2"},
1490 /* Must be always connected (for APLL) */
1491 {"Virtual Voice OUT", NULL, "Digital Voice Playback Mixer"},
1492 /* Physical outputs */
1493 {"EARPIECE", NULL, "Earpiece PGA"},
1494 {"PREDRIVEL", NULL, "PredriveL PGA"},
1495 {"PREDRIVER", NULL, "PredriveR PGA"},
1496 {"HSOL", NULL, "HeadsetL PGA"},
1497 {"HSOR", NULL, "HeadsetR PGA"},
1498 {"CARKITL", NULL, "CarkitL PGA"},
1499 {"CARKITR", NULL, "CarkitR PGA"},
1500 {"HFL", NULL, "HandsfreeL PGA"},
1501 {"HFR", NULL, "HandsfreeR PGA"},
1502 {"Vibra Route", "Audio", "Vibra Mux"},
1503 {"VIBRA", NULL, "Vibra Route"},
1504
1505 /* Capture path */
1506 /* Must be always connected (for AIF and APLL) */
1507 {"ADC Virtual Left1", NULL, "Virtual HiFi IN"},
1508 {"ADC Virtual Right1", NULL, "Virtual HiFi IN"},
1509 {"ADC Virtual Left2", NULL, "Virtual HiFi IN"},
1510 {"ADC Virtual Right2", NULL, "Virtual HiFi IN"},
1511 /* Physical inputs */
1512 {"Analog Left", "Main Mic Capture Switch", "MAINMIC"},
1513 {"Analog Left", "Headset Mic Capture Switch", "HSMIC"},
1514 {"Analog Left", "AUXL Capture Switch", "AUXL"},
1515 {"Analog Left", "Carkit Mic Capture Switch", "CARKITMIC"},
1516
1517 {"Analog Right", "Sub Mic Capture Switch", "SUBMIC"},
1518 {"Analog Right", "AUXR Capture Switch", "AUXR"},
1519
1520 {"ADC Physical Left", NULL, "Analog Left"},
1521 {"ADC Physical Right", NULL, "Analog Right"},
1522
1523 {"Digimic0 Enable", NULL, "DIGIMIC0"},
1524 {"Digimic1 Enable", NULL, "DIGIMIC1"},
1525
1526 {"DIGIMIC0", NULL, "micbias1 select"},
1527 {"DIGIMIC1", NULL, "micbias2 select"},
1528
1529 /* TX1 Left capture path */
1530 {"TX1 Capture Route", "Analog", "ADC Physical Left"},
1531 {"TX1 Capture Route", "Digimic0", "Digimic0 Enable"},
1532 /* TX1 Right capture path */
1533 {"TX1 Capture Route", "Analog", "ADC Physical Right"},
1534 {"TX1 Capture Route", "Digimic0", "Digimic0 Enable"},
1535 /* TX2 Left capture path */
1536 {"TX2 Capture Route", "Analog", "ADC Physical Left"},
1537 {"TX2 Capture Route", "Digimic1", "Digimic1 Enable"},
1538 /* TX2 Right capture path */
1539 {"TX2 Capture Route", "Analog", "ADC Physical Right"},
1540 {"TX2 Capture Route", "Digimic1", "Digimic1 Enable"},
1541
1542 {"ADC Virtual Left1", NULL, "TX1 Capture Route"},
1543 {"ADC Virtual Right1", NULL, "TX1 Capture Route"},
1544 {"ADC Virtual Left2", NULL, "TX2 Capture Route"},
1545 {"ADC Virtual Right2", NULL, "TX2 Capture Route"},
1546
1547 {"ADC Virtual Left1", NULL, "AIF Enable"},
1548 {"ADC Virtual Right1", NULL, "AIF Enable"},
1549 {"ADC Virtual Left2", NULL, "AIF Enable"},
1550 {"ADC Virtual Right2", NULL, "AIF Enable"},
1551
1552 /* Analog bypass routes */
1553 {"Right1 Analog Loopback", "Switch", "Analog Right"},
1554 {"Left1 Analog Loopback", "Switch", "Analog Left"},
1555 {"Right2 Analog Loopback", "Switch", "Analog Right"},
1556 {"Left2 Analog Loopback", "Switch", "Analog Left"},
1557 {"Voice Analog Loopback", "Switch", "Analog Left"},
1558
1559 /* Supply for the Analog loopbacks */
1560 {"Right1 Analog Loopback", NULL, "FM Loop Enable"},
1561 {"Left1 Analog Loopback", NULL, "FM Loop Enable"},
1562 {"Right2 Analog Loopback", NULL, "FM Loop Enable"},
1563 {"Left2 Analog Loopback", NULL, "FM Loop Enable"},
1564 {"Voice Analog Loopback", NULL, "FM Loop Enable"},
1565
1566 {"Analog R1 Playback Mixer", NULL, "Right1 Analog Loopback"},
1567 {"Analog L1 Playback Mixer", NULL, "Left1 Analog Loopback"},
1568 {"Analog R2 Playback Mixer", NULL, "Right2 Analog Loopback"},
1569 {"Analog L2 Playback Mixer", NULL, "Left2 Analog Loopback"},
1570 {"Analog Voice Playback Mixer", NULL, "Voice Analog Loopback"},
1571
1572 /* Digital bypass routes */
1573 {"Right Digital Loopback", "Volume", "TX1 Capture Route"},
1574 {"Left Digital Loopback", "Volume", "TX1 Capture Route"},
1575 {"Voice Digital Loopback", "Volume", "TX2 Capture Route"},
1576
1577 {"Digital R2 Playback Mixer", NULL, "Right Digital Loopback"},
1578 {"Digital L2 Playback Mixer", NULL, "Left Digital Loopback"},
1579 {"Digital Voice Playback Mixer", NULL, "Voice Digital Loopback"},
1580
1581 };
1582
1583 static int twl4030_set_bias_level(struct snd_soc_codec *codec,
1584 enum snd_soc_bias_level level)
1585 {
1586 switch (level) {
1587 case SND_SOC_BIAS_ON:
1588 break;
1589 case SND_SOC_BIAS_PREPARE:
1590 break;
1591 case SND_SOC_BIAS_STANDBY:
1592 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF)
1593 twl4030_codec_enable(codec, 1);
1594 break;
1595 case SND_SOC_BIAS_OFF:
1596 twl4030_codec_enable(codec, 0);
1597 break;
1598 }
1599
1600 return 0;
1601 }
1602
1603 static void twl4030_constraints(struct twl4030_priv *twl4030,
1604 struct snd_pcm_substream *mst_substream)
1605 {
1606 struct snd_pcm_substream *slv_substream;
1607
1608 /* Pick the stream, which need to be constrained */
1609 if (mst_substream == twl4030->master_substream)
1610 slv_substream = twl4030->slave_substream;
1611 else if (mst_substream == twl4030->slave_substream)
1612 slv_substream = twl4030->master_substream;
1613 else /* This should not happen.. */
1614 return;
1615
1616 /* Set the constraints according to the already configured stream */
1617 snd_pcm_hw_constraint_single(slv_substream->runtime,
1618 SNDRV_PCM_HW_PARAM_RATE,
1619 twl4030->rate);
1620
1621 snd_pcm_hw_constraint_single(slv_substream->runtime,
1622 SNDRV_PCM_HW_PARAM_SAMPLE_BITS,
1623 twl4030->sample_bits);
1624
1625 snd_pcm_hw_constraint_single(slv_substream->runtime,
1626 SNDRV_PCM_HW_PARAM_CHANNELS,
1627 twl4030->channels);
1628 }
1629
1630 /* In case of 4 channel mode, the RX1 L/R for playback and the TX2 L/R for
1631 * capture has to be enabled/disabled. */
1632 static void twl4030_tdm_enable(struct snd_soc_codec *codec, int direction,
1633 int enable)
1634 {
1635 u8 reg, mask;
1636
1637 reg = twl4030_read(codec, TWL4030_REG_OPTION);
1638
1639 if (direction == SNDRV_PCM_STREAM_PLAYBACK)
1640 mask = TWL4030_ARXL1_VRX_EN | TWL4030_ARXR1_EN;
1641 else
1642 mask = TWL4030_ATXL2_VTXL_EN | TWL4030_ATXR2_VTXR_EN;
1643
1644 if (enable)
1645 reg |= mask;
1646 else
1647 reg &= ~mask;
1648
1649 twl4030_write(codec, TWL4030_REG_OPTION, reg);
1650 }
1651
1652 static int twl4030_startup(struct snd_pcm_substream *substream,
1653 struct snd_soc_dai *dai)
1654 {
1655 struct snd_soc_codec *codec = dai->codec;
1656 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
1657
1658 if (twl4030->master_substream) {
1659 twl4030->slave_substream = substream;
1660 /* The DAI has one configuration for playback and capture, so
1661 * if the DAI has been already configured then constrain this
1662 * substream to match it. */
1663 if (twl4030->configured)
1664 twl4030_constraints(twl4030, twl4030->master_substream);
1665 } else {
1666 if (!(twl4030_read(codec, TWL4030_REG_CODEC_MODE) &
1667 TWL4030_OPTION_1)) {
1668 /* In option2 4 channel is not supported, set the
1669 * constraint for the first stream for channels, the
1670 * second stream will 'inherit' this cosntraint */
1671 snd_pcm_hw_constraint_single(substream->runtime,
1672 SNDRV_PCM_HW_PARAM_CHANNELS,
1673 2);
1674 }
1675 twl4030->master_substream = substream;
1676 }
1677
1678 return 0;
1679 }
1680
1681 static void twl4030_shutdown(struct snd_pcm_substream *substream,
1682 struct snd_soc_dai *dai)
1683 {
1684 struct snd_soc_codec *codec = dai->codec;
1685 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
1686
1687 if (twl4030->master_substream == substream)
1688 twl4030->master_substream = twl4030->slave_substream;
1689
1690 twl4030->slave_substream = NULL;
1691
1692 /* If all streams are closed, or the remaining stream has not yet
1693 * been configured than set the DAI as not configured. */
1694 if (!twl4030->master_substream)
1695 twl4030->configured = 0;
1696 else if (!twl4030->master_substream->runtime->channels)
1697 twl4030->configured = 0;
1698
1699 /* If the closing substream had 4 channel, do the necessary cleanup */
1700 if (substream->runtime->channels == 4)
1701 twl4030_tdm_enable(codec, substream->stream, 0);
1702 }
1703
1704 static int twl4030_hw_params(struct snd_pcm_substream *substream,
1705 struct snd_pcm_hw_params *params,
1706 struct snd_soc_dai *dai)
1707 {
1708 struct snd_soc_codec *codec = dai->codec;
1709 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
1710 u8 mode, old_mode, format, old_format;
1711
1712 /* If the substream has 4 channel, do the necessary setup */
1713 if (params_channels(params) == 4) {
1714 format = twl4030_read(codec, TWL4030_REG_AUDIO_IF);
1715 mode = twl4030_read(codec, TWL4030_REG_CODEC_MODE);
1716
1717 /* Safety check: are we in the correct operating mode and
1718 * the interface is in TDM mode? */
1719 if ((mode & TWL4030_OPTION_1) &&
1720 ((format & TWL4030_AIF_FORMAT) == TWL4030_AIF_FORMAT_TDM))
1721 twl4030_tdm_enable(codec, substream->stream, 1);
1722 else
1723 return -EINVAL;
1724 }
1725
1726 if (twl4030->configured)
1727 /* Ignoring hw_params for already configured DAI */
1728 return 0;
1729
1730 /* bit rate */
1731 old_mode = twl4030_read(codec,
1732 TWL4030_REG_CODEC_MODE) & ~TWL4030_CODECPDZ;
1733 mode = old_mode & ~TWL4030_APLL_RATE;
1734
1735 switch (params_rate(params)) {
1736 case 8000:
1737 mode |= TWL4030_APLL_RATE_8000;
1738 break;
1739 case 11025:
1740 mode |= TWL4030_APLL_RATE_11025;
1741 break;
1742 case 12000:
1743 mode |= TWL4030_APLL_RATE_12000;
1744 break;
1745 case 16000:
1746 mode |= TWL4030_APLL_RATE_16000;
1747 break;
1748 case 22050:
1749 mode |= TWL4030_APLL_RATE_22050;
1750 break;
1751 case 24000:
1752 mode |= TWL4030_APLL_RATE_24000;
1753 break;
1754 case 32000:
1755 mode |= TWL4030_APLL_RATE_32000;
1756 break;
1757 case 44100:
1758 mode |= TWL4030_APLL_RATE_44100;
1759 break;
1760 case 48000:
1761 mode |= TWL4030_APLL_RATE_48000;
1762 break;
1763 case 96000:
1764 mode |= TWL4030_APLL_RATE_96000;
1765 break;
1766 default:
1767 dev_err(codec->dev, "%s: unknown rate %d\n", __func__,
1768 params_rate(params));
1769 return -EINVAL;
1770 }
1771
1772 /* sample size */
1773 old_format = twl4030_read(codec, TWL4030_REG_AUDIO_IF);
1774 format = old_format;
1775 format &= ~TWL4030_DATA_WIDTH;
1776 switch (params_width(params)) {
1777 case 16:
1778 format |= TWL4030_DATA_WIDTH_16S_16W;
1779 break;
1780 case 32:
1781 format |= TWL4030_DATA_WIDTH_32S_24W;
1782 break;
1783 default:
1784 dev_err(codec->dev, "%s: unsupported bits/sample %d\n",
1785 __func__, params_width(params));
1786 return -EINVAL;
1787 }
1788
1789 if (format != old_format || mode != old_mode) {
1790 if (twl4030->codec_powered) {
1791 /*
1792 * If the codec is powered, than we need to toggle the
1793 * codec power.
1794 */
1795 twl4030_codec_enable(codec, 0);
1796 twl4030_write(codec, TWL4030_REG_CODEC_MODE, mode);
1797 twl4030_write(codec, TWL4030_REG_AUDIO_IF, format);
1798 twl4030_codec_enable(codec, 1);
1799 } else {
1800 twl4030_write(codec, TWL4030_REG_CODEC_MODE, mode);
1801 twl4030_write(codec, TWL4030_REG_AUDIO_IF, format);
1802 }
1803 }
1804
1805 /* Store the important parameters for the DAI configuration and set
1806 * the DAI as configured */
1807 twl4030->configured = 1;
1808 twl4030->rate = params_rate(params);
1809 twl4030->sample_bits = hw_param_interval(params,
1810 SNDRV_PCM_HW_PARAM_SAMPLE_BITS)->min;
1811 twl4030->channels = params_channels(params);
1812
1813 /* If both playback and capture streams are open, and one of them
1814 * is setting the hw parameters right now (since we are here), set
1815 * constraints to the other stream to match the current one. */
1816 if (twl4030->slave_substream)
1817 twl4030_constraints(twl4030, substream);
1818
1819 return 0;
1820 }
1821
1822 static int twl4030_set_dai_sysclk(struct snd_soc_dai *codec_dai, int clk_id,
1823 unsigned int freq, int dir)
1824 {
1825 struct snd_soc_codec *codec = codec_dai->codec;
1826 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
1827
1828 switch (freq) {
1829 case 19200000:
1830 case 26000000:
1831 case 38400000:
1832 break;
1833 default:
1834 dev_err(codec->dev, "Unsupported HFCLKIN: %u\n", freq);
1835 return -EINVAL;
1836 }
1837
1838 if ((freq / 1000) != twl4030->sysclk) {
1839 dev_err(codec->dev,
1840 "Mismatch in HFCLKIN: %u (configured: %u)\n",
1841 freq, twl4030->sysclk * 1000);
1842 return -EINVAL;
1843 }
1844
1845 return 0;
1846 }
1847
1848 static int twl4030_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
1849 {
1850 struct snd_soc_codec *codec = codec_dai->codec;
1851 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
1852 u8 old_format, format;
1853
1854 /* get format */
1855 old_format = twl4030_read(codec, TWL4030_REG_AUDIO_IF);
1856 format = old_format;
1857
1858 /* set master/slave audio interface */
1859 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1860 case SND_SOC_DAIFMT_CBM_CFM:
1861 format &= ~(TWL4030_AIF_SLAVE_EN);
1862 format &= ~(TWL4030_CLK256FS_EN);
1863 break;
1864 case SND_SOC_DAIFMT_CBS_CFS:
1865 format |= TWL4030_AIF_SLAVE_EN;
1866 format |= TWL4030_CLK256FS_EN;
1867 break;
1868 default:
1869 return -EINVAL;
1870 }
1871
1872 /* interface format */
1873 format &= ~TWL4030_AIF_FORMAT;
1874 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1875 case SND_SOC_DAIFMT_I2S:
1876 format |= TWL4030_AIF_FORMAT_CODEC;
1877 break;
1878 case SND_SOC_DAIFMT_DSP_A:
1879 format |= TWL4030_AIF_FORMAT_TDM;
1880 break;
1881 default:
1882 return -EINVAL;
1883 }
1884
1885 if (format != old_format) {
1886 if (twl4030->codec_powered) {
1887 /*
1888 * If the codec is powered, than we need to toggle the
1889 * codec power.
1890 */
1891 twl4030_codec_enable(codec, 0);
1892 twl4030_write(codec, TWL4030_REG_AUDIO_IF, format);
1893 twl4030_codec_enable(codec, 1);
1894 } else {
1895 twl4030_write(codec, TWL4030_REG_AUDIO_IF, format);
1896 }
1897 }
1898
1899 return 0;
1900 }
1901
1902 static int twl4030_set_tristate(struct snd_soc_dai *dai, int tristate)
1903 {
1904 struct snd_soc_codec *codec = dai->codec;
1905 u8 reg = twl4030_read(codec, TWL4030_REG_AUDIO_IF);
1906
1907 if (tristate)
1908 reg |= TWL4030_AIF_TRI_EN;
1909 else
1910 reg &= ~TWL4030_AIF_TRI_EN;
1911
1912 return twl4030_write(codec, TWL4030_REG_AUDIO_IF, reg);
1913 }
1914
1915 /* In case of voice mode, the RX1 L(VRX) for downlink and the TX2 L/R
1916 * (VTXL, VTXR) for uplink has to be enabled/disabled. */
1917 static void twl4030_voice_enable(struct snd_soc_codec *codec, int direction,
1918 int enable)
1919 {
1920 u8 reg, mask;
1921
1922 reg = twl4030_read(codec, TWL4030_REG_OPTION);
1923
1924 if (direction == SNDRV_PCM_STREAM_PLAYBACK)
1925 mask = TWL4030_ARXL1_VRX_EN;
1926 else
1927 mask = TWL4030_ATXL2_VTXL_EN | TWL4030_ATXR2_VTXR_EN;
1928
1929 if (enable)
1930 reg |= mask;
1931 else
1932 reg &= ~mask;
1933
1934 twl4030_write(codec, TWL4030_REG_OPTION, reg);
1935 }
1936
1937 static int twl4030_voice_startup(struct snd_pcm_substream *substream,
1938 struct snd_soc_dai *dai)
1939 {
1940 struct snd_soc_codec *codec = dai->codec;
1941 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
1942 u8 mode;
1943
1944 /* If the system master clock is not 26MHz, the voice PCM interface is
1945 * not available.
1946 */
1947 if (twl4030->sysclk != 26000) {
1948 dev_err(codec->dev,
1949 "%s: HFCLKIN is %u KHz, voice interface needs 26MHz\n",
1950 __func__, twl4030->sysclk);
1951 return -EINVAL;
1952 }
1953
1954 /* If the codec mode is not option2, the voice PCM interface is not
1955 * available.
1956 */
1957 mode = twl4030_read(codec, TWL4030_REG_CODEC_MODE)
1958 & TWL4030_OPT_MODE;
1959
1960 if (mode != TWL4030_OPTION_2) {
1961 dev_err(codec->dev, "%s: the codec mode is not option2\n",
1962 __func__);
1963 return -EINVAL;
1964 }
1965
1966 return 0;
1967 }
1968
1969 static void twl4030_voice_shutdown(struct snd_pcm_substream *substream,
1970 struct snd_soc_dai *dai)
1971 {
1972 struct snd_soc_codec *codec = dai->codec;
1973
1974 /* Enable voice digital filters */
1975 twl4030_voice_enable(codec, substream->stream, 0);
1976 }
1977
1978 static int twl4030_voice_hw_params(struct snd_pcm_substream *substream,
1979 struct snd_pcm_hw_params *params,
1980 struct snd_soc_dai *dai)
1981 {
1982 struct snd_soc_codec *codec = dai->codec;
1983 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
1984 u8 old_mode, mode;
1985
1986 /* Enable voice digital filters */
1987 twl4030_voice_enable(codec, substream->stream, 1);
1988
1989 /* bit rate */
1990 old_mode = twl4030_read(codec,
1991 TWL4030_REG_CODEC_MODE) & ~TWL4030_CODECPDZ;
1992 mode = old_mode;
1993
1994 switch (params_rate(params)) {
1995 case 8000:
1996 mode &= ~(TWL4030_SEL_16K);
1997 break;
1998 case 16000:
1999 mode |= TWL4030_SEL_16K;
2000 break;
2001 default:
2002 dev_err(codec->dev, "%s: unknown rate %d\n", __func__,
2003 params_rate(params));
2004 return -EINVAL;
2005 }
2006
2007 if (mode != old_mode) {
2008 if (twl4030->codec_powered) {
2009 /*
2010 * If the codec is powered, than we need to toggle the
2011 * codec power.
2012 */
2013 twl4030_codec_enable(codec, 0);
2014 twl4030_write(codec, TWL4030_REG_CODEC_MODE, mode);
2015 twl4030_codec_enable(codec, 1);
2016 } else {
2017 twl4030_write(codec, TWL4030_REG_CODEC_MODE, mode);
2018 }
2019 }
2020
2021 return 0;
2022 }
2023
2024 static int twl4030_voice_set_dai_sysclk(struct snd_soc_dai *codec_dai,
2025 int clk_id, unsigned int freq, int dir)
2026 {
2027 struct snd_soc_codec *codec = codec_dai->codec;
2028 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
2029
2030 if (freq != 26000000) {
2031 dev_err(codec->dev,
2032 "%s: HFCLKIN is %u KHz, voice interface needs 26MHz\n",
2033 __func__, freq / 1000);
2034 return -EINVAL;
2035 }
2036 if ((freq / 1000) != twl4030->sysclk) {
2037 dev_err(codec->dev,
2038 "Mismatch in HFCLKIN: %u (configured: %u)\n",
2039 freq, twl4030->sysclk * 1000);
2040 return -EINVAL;
2041 }
2042 return 0;
2043 }
2044
2045 static int twl4030_voice_set_dai_fmt(struct snd_soc_dai *codec_dai,
2046 unsigned int fmt)
2047 {
2048 struct snd_soc_codec *codec = codec_dai->codec;
2049 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
2050 u8 old_format, format;
2051
2052 /* get format */
2053 old_format = twl4030_read(codec, TWL4030_REG_VOICE_IF);
2054 format = old_format;
2055
2056 /* set master/slave audio interface */
2057 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
2058 case SND_SOC_DAIFMT_CBM_CFM:
2059 format &= ~(TWL4030_VIF_SLAVE_EN);
2060 break;
2061 case SND_SOC_DAIFMT_CBS_CFS:
2062 format |= TWL4030_VIF_SLAVE_EN;
2063 break;
2064 default:
2065 return -EINVAL;
2066 }
2067
2068 /* clock inversion */
2069 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
2070 case SND_SOC_DAIFMT_IB_NF:
2071 format &= ~(TWL4030_VIF_FORMAT);
2072 break;
2073 case SND_SOC_DAIFMT_NB_IF:
2074 format |= TWL4030_VIF_FORMAT;
2075 break;
2076 default:
2077 return -EINVAL;
2078 }
2079
2080 if (format != old_format) {
2081 if (twl4030->codec_powered) {
2082 /*
2083 * If the codec is powered, than we need to toggle the
2084 * codec power.
2085 */
2086 twl4030_codec_enable(codec, 0);
2087 twl4030_write(codec, TWL4030_REG_VOICE_IF, format);
2088 twl4030_codec_enable(codec, 1);
2089 } else {
2090 twl4030_write(codec, TWL4030_REG_VOICE_IF, format);
2091 }
2092 }
2093
2094 return 0;
2095 }
2096
2097 static int twl4030_voice_set_tristate(struct snd_soc_dai *dai, int tristate)
2098 {
2099 struct snd_soc_codec *codec = dai->codec;
2100 u8 reg = twl4030_read(codec, TWL4030_REG_VOICE_IF);
2101
2102 if (tristate)
2103 reg |= TWL4030_VIF_TRI_EN;
2104 else
2105 reg &= ~TWL4030_VIF_TRI_EN;
2106
2107 return twl4030_write(codec, TWL4030_REG_VOICE_IF, reg);
2108 }
2109
2110 #define TWL4030_RATES (SNDRV_PCM_RATE_8000_48000)
2111 #define TWL4030_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)
2112
2113 static const struct snd_soc_dai_ops twl4030_dai_hifi_ops = {
2114 .startup = twl4030_startup,
2115 .shutdown = twl4030_shutdown,
2116 .hw_params = twl4030_hw_params,
2117 .set_sysclk = twl4030_set_dai_sysclk,
2118 .set_fmt = twl4030_set_dai_fmt,
2119 .set_tristate = twl4030_set_tristate,
2120 };
2121
2122 static const struct snd_soc_dai_ops twl4030_dai_voice_ops = {
2123 .startup = twl4030_voice_startup,
2124 .shutdown = twl4030_voice_shutdown,
2125 .hw_params = twl4030_voice_hw_params,
2126 .set_sysclk = twl4030_voice_set_dai_sysclk,
2127 .set_fmt = twl4030_voice_set_dai_fmt,
2128 .set_tristate = twl4030_voice_set_tristate,
2129 };
2130
2131 static struct snd_soc_dai_driver twl4030_dai[] = {
2132 {
2133 .name = "twl4030-hifi",
2134 .playback = {
2135 .stream_name = "HiFi Playback",
2136 .channels_min = 2,
2137 .channels_max = 4,
2138 .rates = TWL4030_RATES | SNDRV_PCM_RATE_96000,
2139 .formats = TWL4030_FORMATS,
2140 .sig_bits = 24,},
2141 .capture = {
2142 .stream_name = "HiFi Capture",
2143 .channels_min = 2,
2144 .channels_max = 4,
2145 .rates = TWL4030_RATES,
2146 .formats = TWL4030_FORMATS,
2147 .sig_bits = 24,},
2148 .ops = &twl4030_dai_hifi_ops,
2149 },
2150 {
2151 .name = "twl4030-voice",
2152 .playback = {
2153 .stream_name = "Voice Playback",
2154 .channels_min = 1,
2155 .channels_max = 1,
2156 .rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000,
2157 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
2158 .capture = {
2159 .stream_name = "Voice Capture",
2160 .channels_min = 1,
2161 .channels_max = 2,
2162 .rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000,
2163 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
2164 .ops = &twl4030_dai_voice_ops,
2165 },
2166 };
2167
2168 static int twl4030_soc_probe(struct snd_soc_codec *codec)
2169 {
2170 struct twl4030_priv *twl4030;
2171
2172 twl4030 = devm_kzalloc(codec->dev, sizeof(struct twl4030_priv),
2173 GFP_KERNEL);
2174 if (!twl4030)
2175 return -ENOMEM;
2176 snd_soc_codec_set_drvdata(codec, twl4030);
2177 /* Set the defaults, and power up the codec */
2178 twl4030->sysclk = twl4030_audio_get_mclk() / 1000;
2179
2180 twl4030_init_chip(codec);
2181
2182 return 0;
2183 }
2184
2185 static int twl4030_soc_remove(struct snd_soc_codec *codec)
2186 {
2187 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
2188 struct twl4030_codec_data *pdata = twl4030->pdata;
2189
2190 if (pdata && pdata->hs_extmute && gpio_is_valid(pdata->hs_extmute_gpio))
2191 gpio_free(pdata->hs_extmute_gpio);
2192
2193 return 0;
2194 }
2195
2196 static const struct snd_soc_codec_driver soc_codec_dev_twl4030 = {
2197 .probe = twl4030_soc_probe,
2198 .remove = twl4030_soc_remove,
2199 .read = twl4030_read,
2200 .write = twl4030_write,
2201 .set_bias_level = twl4030_set_bias_level,
2202 .idle_bias_off = true,
2203
2204 .component_driver = {
2205 .controls = twl4030_snd_controls,
2206 .num_controls = ARRAY_SIZE(twl4030_snd_controls),
2207 .dapm_widgets = twl4030_dapm_widgets,
2208 .num_dapm_widgets = ARRAY_SIZE(twl4030_dapm_widgets),
2209 .dapm_routes = intercon,
2210 .num_dapm_routes = ARRAY_SIZE(intercon),
2211 },
2212 };
2213
2214 static int twl4030_codec_probe(struct platform_device *pdev)
2215 {
2216 return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_twl4030,
2217 twl4030_dai, ARRAY_SIZE(twl4030_dai));
2218 }
2219
2220 static int twl4030_codec_remove(struct platform_device *pdev)
2221 {
2222 snd_soc_unregister_codec(&pdev->dev);
2223 return 0;
2224 }
2225
2226 MODULE_ALIAS("platform:twl4030-codec");
2227
2228 static struct platform_driver twl4030_codec_driver = {
2229 .probe = twl4030_codec_probe,
2230 .remove = twl4030_codec_remove,
2231 .driver = {
2232 .name = "twl4030-codec",
2233 },
2234 };
2235
2236 module_platform_driver(twl4030_codec_driver);
2237
2238 MODULE_DESCRIPTION("ASoC TWL4030 codec driver");
2239 MODULE_AUTHOR("Steve Sakoman");
2240 MODULE_LICENSE("GPL");
Linux with added FPC-III support