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 of_node_put(twl4030_codec_node); 244 return NULL; 245 } 246 twl4030_setup_pdata_of(pdata, twl4030_codec_node); 247 of_node_put(twl4030_codec_node); 248 } 249 250 return pdata; 251 } 252 253 static void twl4030_init_chip(struct snd_soc_codec *codec) 254 { 255 struct twl4030_codec_data *pdata; 256 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 257 u8 reg, byte; 258 int i = 0; 259 260 pdata = twl4030_get_pdata(codec); 261 262 if (pdata && pdata->hs_extmute) { 263 if (gpio_is_valid(pdata->hs_extmute_gpio)) { 264 int ret; 265 266 if (!pdata->hs_extmute_gpio) 267 dev_warn(codec->dev, 268 "Extmute GPIO is 0 is this correct?\n"); 269 270 ret = gpio_request_one(pdata->hs_extmute_gpio, 271 GPIOF_OUT_INIT_LOW, 272 "hs_extmute"); 273 if (ret) { 274 dev_err(codec->dev, 275 "Failed to get hs_extmute GPIO\n"); 276 pdata->hs_extmute_gpio = -1; 277 } 278 } else { 279 u8 pin_mux; 280 281 /* Set TWL4030 GPIO6 as EXTMUTE signal */ 282 twl_i2c_read_u8(TWL4030_MODULE_INTBR, &pin_mux, 283 TWL4030_PMBR1_REG); 284 pin_mux &= ~TWL4030_GPIO6_PWM0_MUTE(0x03); 285 pin_mux |= TWL4030_GPIO6_PWM0_MUTE(0x02); 286 twl_i2c_write_u8(TWL4030_MODULE_INTBR, pin_mux, 287 TWL4030_PMBR1_REG); 288 } 289 } 290 291 /* Initialize the local ctl register cache */ 292 tw4030_init_ctl_cache(twl4030); 293 294 /* anti-pop when changing analog gain */ 295 reg = twl4030_read(codec, TWL4030_REG_MISC_SET_1); 296 twl4030_write(codec, TWL4030_REG_MISC_SET_1, 297 reg | TWL4030_SMOOTH_ANAVOL_EN); 298 299 twl4030_write(codec, TWL4030_REG_OPTION, 300 TWL4030_ATXL1_EN | TWL4030_ATXR1_EN | 301 TWL4030_ARXL2_EN | TWL4030_ARXR2_EN); 302 303 /* REG_ARXR2_APGA_CTL reset according to the TRM: 0dB, DA_EN */ 304 twl4030_write(codec, TWL4030_REG_ARXR2_APGA_CTL, 0x32); 305 306 /* Machine dependent setup */ 307 if (!pdata) 308 return; 309 310 twl4030->pdata = pdata; 311 312 reg = twl4030_read(codec, TWL4030_REG_HS_POPN_SET); 313 reg &= ~TWL4030_RAMP_DELAY; 314 reg |= (pdata->ramp_delay_value << 2); 315 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, reg); 316 317 /* initiate offset cancellation */ 318 twl4030_codec_enable(codec, 1); 319 320 reg = twl4030_read(codec, TWL4030_REG_ANAMICL); 321 reg &= ~TWL4030_OFFSET_CNCL_SEL; 322 reg |= pdata->offset_cncl_path; 323 twl4030_write(codec, TWL4030_REG_ANAMICL, 324 reg | TWL4030_CNCL_OFFSET_START); 325 326 /* 327 * Wait for offset cancellation to complete. 328 * Since this takes a while, do not slam the i2c. 329 * Start polling the status after ~20ms. 330 */ 331 msleep(20); 332 do { 333 usleep_range(1000, 2000); 334 twl_set_regcache_bypass(TWL4030_MODULE_AUDIO_VOICE, true); 335 twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &byte, 336 TWL4030_REG_ANAMICL); 337 twl_set_regcache_bypass(TWL4030_MODULE_AUDIO_VOICE, false); 338 } while ((i++ < 100) && 339 ((byte & TWL4030_CNCL_OFFSET_START) == 340 TWL4030_CNCL_OFFSET_START)); 341 342 twl4030_codec_enable(codec, 0); 343 } 344 345 static void twl4030_apll_enable(struct snd_soc_codec *codec, int enable) 346 { 347 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 348 349 if (enable) { 350 twl4030->apll_enabled++; 351 if (twl4030->apll_enabled == 1) 352 twl4030_audio_enable_resource( 353 TWL4030_AUDIO_RES_APLL); 354 } else { 355 twl4030->apll_enabled--; 356 if (!twl4030->apll_enabled) 357 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 SOC_ENUM_SINGLE_DECL(twl4030_handsfreel_enum, 419 TWL4030_REG_HFL_CTL, 0, 420 twl4030_handsfreel_texts); 421 422 static const struct snd_kcontrol_new twl4030_dapm_handsfreel_control = 423 SOC_DAPM_ENUM("Route", twl4030_handsfreel_enum); 424 425 /* Handsfree Left virtual mute */ 426 static const struct snd_kcontrol_new twl4030_dapm_handsfreelmute_control = 427 SOC_DAPM_SINGLE_VIRT("Switch", 1); 428 429 /* Handsfree Right */ 430 static const char *twl4030_handsfreer_texts[] = 431 {"Voice", "AudioR1", "AudioR2", "AudioL2"}; 432 433 static SOC_ENUM_SINGLE_DECL(twl4030_handsfreer_enum, 434 TWL4030_REG_HFR_CTL, 0, 435 twl4030_handsfreer_texts); 436 437 static const struct snd_kcontrol_new twl4030_dapm_handsfreer_control = 438 SOC_DAPM_ENUM("Route", twl4030_handsfreer_enum); 439 440 /* Handsfree Right virtual mute */ 441 static const struct snd_kcontrol_new twl4030_dapm_handsfreermute_control = 442 SOC_DAPM_SINGLE_VIRT("Switch", 1); 443 444 /* Vibra */ 445 /* Vibra audio path selection */ 446 static const char *twl4030_vibra_texts[] = 447 {"AudioL1", "AudioR1", "AudioL2", "AudioR2"}; 448 449 static SOC_ENUM_SINGLE_DECL(twl4030_vibra_enum, 450 TWL4030_REG_VIBRA_CTL, 2, 451 twl4030_vibra_texts); 452 453 static const struct snd_kcontrol_new twl4030_dapm_vibra_control = 454 SOC_DAPM_ENUM("Route", twl4030_vibra_enum); 455 456 /* Vibra path selection: local vibrator (PWM) or audio driven */ 457 static const char *twl4030_vibrapath_texts[] = 458 {"Local vibrator", "Audio"}; 459 460 static SOC_ENUM_SINGLE_DECL(twl4030_vibrapath_enum, 461 TWL4030_REG_VIBRA_CTL, 4, 462 twl4030_vibrapath_texts); 463 464 static const struct snd_kcontrol_new twl4030_dapm_vibrapath_control = 465 SOC_DAPM_ENUM("Route", twl4030_vibrapath_enum); 466 467 /* Left analog microphone selection */ 468 static const struct snd_kcontrol_new twl4030_dapm_analoglmic_controls[] = { 469 SOC_DAPM_SINGLE("Main Mic Capture Switch", 470 TWL4030_REG_ANAMICL, 0, 1, 0), 471 SOC_DAPM_SINGLE("Headset Mic Capture Switch", 472 TWL4030_REG_ANAMICL, 1, 1, 0), 473 SOC_DAPM_SINGLE("AUXL Capture Switch", 474 TWL4030_REG_ANAMICL, 2, 1, 0), 475 SOC_DAPM_SINGLE("Carkit Mic Capture Switch", 476 TWL4030_REG_ANAMICL, 3, 1, 0), 477 }; 478 479 /* Right analog microphone selection */ 480 static const struct snd_kcontrol_new twl4030_dapm_analogrmic_controls[] = { 481 SOC_DAPM_SINGLE("Sub Mic Capture Switch", TWL4030_REG_ANAMICR, 0, 1, 0), 482 SOC_DAPM_SINGLE("AUXR Capture Switch", TWL4030_REG_ANAMICR, 2, 1, 0), 483 }; 484 485 /* TX1 L/R Analog/Digital microphone selection */ 486 static const char *twl4030_micpathtx1_texts[] = 487 {"Analog", "Digimic0"}; 488 489 static SOC_ENUM_SINGLE_DECL(twl4030_micpathtx1_enum, 490 TWL4030_REG_ADCMICSEL, 0, 491 twl4030_micpathtx1_texts); 492 493 static const struct snd_kcontrol_new twl4030_dapm_micpathtx1_control = 494 SOC_DAPM_ENUM("Route", twl4030_micpathtx1_enum); 495 496 /* TX2 L/R Analog/Digital microphone selection */ 497 static const char *twl4030_micpathtx2_texts[] = 498 {"Analog", "Digimic1"}; 499 500 static SOC_ENUM_SINGLE_DECL(twl4030_micpathtx2_enum, 501 TWL4030_REG_ADCMICSEL, 2, 502 twl4030_micpathtx2_texts); 503 504 static const struct snd_kcontrol_new twl4030_dapm_micpathtx2_control = 505 SOC_DAPM_ENUM("Route", twl4030_micpathtx2_enum); 506 507 /* Analog bypass for AudioR1 */ 508 static const struct snd_kcontrol_new twl4030_dapm_abypassr1_control = 509 SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXR1_APGA_CTL, 2, 1, 0); 510 511 /* Analog bypass for AudioL1 */ 512 static const struct snd_kcontrol_new twl4030_dapm_abypassl1_control = 513 SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXL1_APGA_CTL, 2, 1, 0); 514 515 /* Analog bypass for AudioR2 */ 516 static const struct snd_kcontrol_new twl4030_dapm_abypassr2_control = 517 SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXR2_APGA_CTL, 2, 1, 0); 518 519 /* Analog bypass for AudioL2 */ 520 static const struct snd_kcontrol_new twl4030_dapm_abypassl2_control = 521 SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXL2_APGA_CTL, 2, 1, 0); 522 523 /* Analog bypass for Voice */ 524 static const struct snd_kcontrol_new twl4030_dapm_abypassv_control = 525 SOC_DAPM_SINGLE("Switch", TWL4030_REG_VDL_APGA_CTL, 2, 1, 0); 526 527 /* Digital bypass gain, mute instead of -30dB */ 528 static const DECLARE_TLV_DB_RANGE(twl4030_dapm_dbypass_tlv, 529 0, 1, TLV_DB_SCALE_ITEM(-3000, 600, 1), 530 2, 3, TLV_DB_SCALE_ITEM(-2400, 0, 0), 531 4, 7, TLV_DB_SCALE_ITEM(-1800, 600, 0) 532 ); 533 534 /* Digital bypass left (TX1L -> RX2L) */ 535 static const struct snd_kcontrol_new twl4030_dapm_dbypassl_control = 536 SOC_DAPM_SINGLE_TLV("Volume", 537 TWL4030_REG_ATX2ARXPGA, 3, 7, 0, 538 twl4030_dapm_dbypass_tlv); 539 540 /* Digital bypass right (TX1R -> RX2R) */ 541 static const struct snd_kcontrol_new twl4030_dapm_dbypassr_control = 542 SOC_DAPM_SINGLE_TLV("Volume", 543 TWL4030_REG_ATX2ARXPGA, 0, 7, 0, 544 twl4030_dapm_dbypass_tlv); 545 546 /* 547 * Voice Sidetone GAIN volume control: 548 * from -51 to -10 dB in 1 dB steps (mute instead of -51 dB) 549 */ 550 static DECLARE_TLV_DB_SCALE(twl4030_dapm_dbypassv_tlv, -5100, 100, 1); 551 552 /* Digital bypass voice: sidetone (VUL -> VDL)*/ 553 static const struct snd_kcontrol_new twl4030_dapm_dbypassv_control = 554 SOC_DAPM_SINGLE_TLV("Volume", 555 TWL4030_REG_VSTPGA, 0, 0x29, 0, 556 twl4030_dapm_dbypassv_tlv); 557 558 /* 559 * Output PGA builder: 560 * Handle the muting and unmuting of the given output (turning off the 561 * amplifier associated with the output pin) 562 * On mute bypass the reg_cache and write 0 to the register 563 * On unmute: restore the register content from the reg_cache 564 * Outputs handled in this way: Earpiece, PreDrivL/R, CarkitL/R 565 */ 566 #define TWL4030_OUTPUT_PGA(pin_name, reg, mask) \ 567 static int pin_name##pga_event(struct snd_soc_dapm_widget *w, \ 568 struct snd_kcontrol *kcontrol, int event) \ 569 { \ 570 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); \ 571 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); \ 572 \ 573 switch (event) { \ 574 case SND_SOC_DAPM_POST_PMU: \ 575 twl4030->pin_name##_enabled = 1; \ 576 twl4030_write(codec, reg, twl4030_read(codec, reg)); \ 577 break; \ 578 case SND_SOC_DAPM_POST_PMD: \ 579 twl4030->pin_name##_enabled = 0; \ 580 twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, 0, reg); \ 581 break; \ 582 } \ 583 return 0; \ 584 } 585 586 TWL4030_OUTPUT_PGA(earpiece, TWL4030_REG_EAR_CTL, TWL4030_EAR_GAIN); 587 TWL4030_OUTPUT_PGA(predrivel, TWL4030_REG_PREDL_CTL, TWL4030_PREDL_GAIN); 588 TWL4030_OUTPUT_PGA(predriver, TWL4030_REG_PREDR_CTL, TWL4030_PREDR_GAIN); 589 TWL4030_OUTPUT_PGA(carkitl, TWL4030_REG_PRECKL_CTL, TWL4030_PRECKL_GAIN); 590 TWL4030_OUTPUT_PGA(carkitr, TWL4030_REG_PRECKR_CTL, TWL4030_PRECKR_GAIN); 591 592 static void handsfree_ramp(struct snd_soc_codec *codec, int reg, int ramp) 593 { 594 unsigned char hs_ctl; 595 596 hs_ctl = twl4030_read(codec, reg); 597 598 if (ramp) { 599 /* HF ramp-up */ 600 hs_ctl |= TWL4030_HF_CTL_REF_EN; 601 twl4030_write(codec, reg, hs_ctl); 602 udelay(10); 603 hs_ctl |= TWL4030_HF_CTL_RAMP_EN; 604 twl4030_write(codec, reg, hs_ctl); 605 udelay(40); 606 hs_ctl |= TWL4030_HF_CTL_LOOP_EN; 607 hs_ctl |= TWL4030_HF_CTL_HB_EN; 608 twl4030_write(codec, reg, hs_ctl); 609 } else { 610 /* HF ramp-down */ 611 hs_ctl &= ~TWL4030_HF_CTL_LOOP_EN; 612 hs_ctl &= ~TWL4030_HF_CTL_HB_EN; 613 twl4030_write(codec, reg, hs_ctl); 614 hs_ctl &= ~TWL4030_HF_CTL_RAMP_EN; 615 twl4030_write(codec, reg, hs_ctl); 616 udelay(40); 617 hs_ctl &= ~TWL4030_HF_CTL_REF_EN; 618 twl4030_write(codec, reg, hs_ctl); 619 } 620 } 621 622 static int handsfreelpga_event(struct snd_soc_dapm_widget *w, 623 struct snd_kcontrol *kcontrol, int event) 624 { 625 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); 626 627 switch (event) { 628 case SND_SOC_DAPM_POST_PMU: 629 handsfree_ramp(codec, TWL4030_REG_HFL_CTL, 1); 630 break; 631 case SND_SOC_DAPM_POST_PMD: 632 handsfree_ramp(codec, TWL4030_REG_HFL_CTL, 0); 633 break; 634 } 635 return 0; 636 } 637 638 static int handsfreerpga_event(struct snd_soc_dapm_widget *w, 639 struct snd_kcontrol *kcontrol, int event) 640 { 641 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); 642 643 switch (event) { 644 case SND_SOC_DAPM_POST_PMU: 645 handsfree_ramp(codec, TWL4030_REG_HFR_CTL, 1); 646 break; 647 case SND_SOC_DAPM_POST_PMD: 648 handsfree_ramp(codec, TWL4030_REG_HFR_CTL, 0); 649 break; 650 } 651 return 0; 652 } 653 654 static int vibramux_event(struct snd_soc_dapm_widget *w, 655 struct snd_kcontrol *kcontrol, int event) 656 { 657 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); 658 659 twl4030_write(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 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); 667 668 switch (event) { 669 case SND_SOC_DAPM_PRE_PMU: 670 twl4030_apll_enable(codec, 1); 671 break; 672 case SND_SOC_DAPM_POST_PMD: 673 twl4030_apll_enable(codec, 0); 674 break; 675 } 676 return 0; 677 } 678 679 static int aif_event(struct snd_soc_dapm_widget *w, 680 struct snd_kcontrol *kcontrol, int event) 681 { 682 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); 683 u8 audio_if; 684 685 audio_if = twl4030_read(codec, TWL4030_REG_AUDIO_IF); 686 switch (event) { 687 case SND_SOC_DAPM_PRE_PMU: 688 /* Enable AIF */ 689 /* enable the PLL before we use it to clock the DAI */ 690 twl4030_apll_enable(codec, 1); 691 692 twl4030_write(codec, TWL4030_REG_AUDIO_IF, 693 audio_if | TWL4030_AIF_EN); 694 break; 695 case SND_SOC_DAPM_POST_PMD: 696 /* disable the DAI before we stop it's source PLL */ 697 twl4030_write(codec, TWL4030_REG_AUDIO_IF, 698 audio_if & ~TWL4030_AIF_EN); 699 twl4030_apll_enable(codec, 0); 700 break; 701 } 702 return 0; 703 } 704 705 static void headset_ramp(struct snd_soc_codec *codec, int ramp) 706 { 707 unsigned char hs_gain, hs_pop; 708 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 709 struct twl4030_codec_data *pdata = twl4030->pdata; 710 /* Base values for ramp delay calculation: 2^19 - 2^26 */ 711 unsigned int ramp_base[] = {524288, 1048576, 2097152, 4194304, 712 8388608, 16777216, 33554432, 67108864}; 713 unsigned int delay; 714 715 hs_gain = twl4030_read(codec, TWL4030_REG_HS_GAIN_SET); 716 hs_pop = twl4030_read(codec, TWL4030_REG_HS_POPN_SET); 717 delay = (ramp_base[(hs_pop & TWL4030_RAMP_DELAY) >> 2] / 718 twl4030->sysclk) + 1; 719 720 /* Enable external mute control, this dramatically reduces 721 * the pop-noise */ 722 if (pdata && pdata->hs_extmute) { 723 if (gpio_is_valid(pdata->hs_extmute_gpio)) { 724 gpio_set_value(pdata->hs_extmute_gpio, 1); 725 } else { 726 hs_pop |= TWL4030_EXTMUTE; 727 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop); 728 } 729 } 730 731 if (ramp) { 732 /* Headset ramp-up according to the TRM */ 733 hs_pop |= TWL4030_VMID_EN; 734 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop); 735 /* Actually write to the register */ 736 twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, hs_gain, 737 TWL4030_REG_HS_GAIN_SET); 738 hs_pop |= TWL4030_RAMP_EN; 739 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop); 740 /* Wait ramp delay time + 1, so the VMID can settle */ 741 twl4030_wait_ms(delay); 742 } else { 743 /* Headset ramp-down _not_ according to 744 * the TRM, but in a way that it is working */ 745 hs_pop &= ~TWL4030_RAMP_EN; 746 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop); 747 /* Wait ramp delay time + 1, so the VMID can settle */ 748 twl4030_wait_ms(delay); 749 /* Bypass the reg_cache to mute the headset */ 750 twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, hs_gain & (~0x0f), 751 TWL4030_REG_HS_GAIN_SET); 752 753 hs_pop &= ~TWL4030_VMID_EN; 754 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop); 755 } 756 757 /* Disable external mute */ 758 if (pdata && pdata->hs_extmute) { 759 if (gpio_is_valid(pdata->hs_extmute_gpio)) { 760 gpio_set_value(pdata->hs_extmute_gpio, 0); 761 } else { 762 hs_pop &= ~TWL4030_EXTMUTE; 763 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop); 764 } 765 } 766 } 767 768 static int headsetlpga_event(struct snd_soc_dapm_widget *w, 769 struct snd_kcontrol *kcontrol, int event) 770 { 771 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); 772 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 773 774 switch (event) { 775 case SND_SOC_DAPM_POST_PMU: 776 /* Do the ramp-up only once */ 777 if (!twl4030->hsr_enabled) 778 headset_ramp(codec, 1); 779 780 twl4030->hsl_enabled = 1; 781 break; 782 case SND_SOC_DAPM_POST_PMD: 783 /* Do the ramp-down only if both headsetL/R is disabled */ 784 if (!twl4030->hsr_enabled) 785 headset_ramp(codec, 0); 786 787 twl4030->hsl_enabled = 0; 788 break; 789 } 790 return 0; 791 } 792 793 static int headsetrpga_event(struct snd_soc_dapm_widget *w, 794 struct snd_kcontrol *kcontrol, int event) 795 { 796 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); 797 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 798 799 switch (event) { 800 case SND_SOC_DAPM_POST_PMU: 801 /* Do the ramp-up only once */ 802 if (!twl4030->hsl_enabled) 803 headset_ramp(codec, 1); 804 805 twl4030->hsr_enabled = 1; 806 break; 807 case SND_SOC_DAPM_POST_PMD: 808 /* Do the ramp-down only if both headsetL/R is disabled */ 809 if (!twl4030->hsl_enabled) 810 headset_ramp(codec, 0); 811 812 twl4030->hsr_enabled = 0; 813 break; 814 } 815 return 0; 816 } 817 818 static int digimic_event(struct snd_soc_dapm_widget *w, 819 struct snd_kcontrol *kcontrol, int event) 820 { 821 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); 822 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 823 struct twl4030_codec_data *pdata = twl4030->pdata; 824 825 if (pdata && pdata->digimic_delay) 826 twl4030_wait_ms(pdata->digimic_delay); 827 return 0; 828 } 829 830 /* 831 * Some of the gain controls in TWL (mostly those which are associated with 832 * the outputs) are implemented in an interesting way: 833 * 0x0 : Power down (mute) 834 * 0x1 : 6dB 835 * 0x2 : 0 dB 836 * 0x3 : -6 dB 837 * Inverting not going to help with these. 838 * Custom volsw and volsw_2r get/put functions to handle these gain bits. 839 */ 840 static int snd_soc_get_volsw_twl4030(struct snd_kcontrol *kcontrol, 841 struct snd_ctl_elem_value *ucontrol) 842 { 843 struct soc_mixer_control *mc = 844 (struct soc_mixer_control *)kcontrol->private_value; 845 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); 846 unsigned int reg = mc->reg; 847 unsigned int shift = mc->shift; 848 unsigned int rshift = mc->rshift; 849 int max = mc->max; 850 int mask = (1 << fls(max)) - 1; 851 852 ucontrol->value.integer.value[0] = 853 (twl4030_read(codec, reg) >> shift) & mask; 854 if (ucontrol->value.integer.value[0]) 855 ucontrol->value.integer.value[0] = 856 max + 1 - ucontrol->value.integer.value[0]; 857 858 if (shift != rshift) { 859 ucontrol->value.integer.value[1] = 860 (twl4030_read(codec, reg) >> rshift) & mask; 861 if (ucontrol->value.integer.value[1]) 862 ucontrol->value.integer.value[1] = 863 max + 1 - ucontrol->value.integer.value[1]; 864 } 865 866 return 0; 867 } 868 869 static int snd_soc_put_volsw_twl4030(struct snd_kcontrol *kcontrol, 870 struct snd_ctl_elem_value *ucontrol) 871 { 872 struct soc_mixer_control *mc = 873 (struct soc_mixer_control *)kcontrol->private_value; 874 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); 875 unsigned int reg = mc->reg; 876 unsigned int shift = mc->shift; 877 unsigned int rshift = mc->rshift; 878 int max = mc->max; 879 int mask = (1 << fls(max)) - 1; 880 unsigned short val, val2, val_mask; 881 882 val = (ucontrol->value.integer.value[0] & mask); 883 884 val_mask = mask << shift; 885 if (val) 886 val = max + 1 - val; 887 val = val << shift; 888 if (shift != rshift) { 889 val2 = (ucontrol->value.integer.value[1] & mask); 890 val_mask |= mask << rshift; 891 if (val2) 892 val2 = max + 1 - val2; 893 val |= val2 << rshift; 894 } 895 return snd_soc_update_bits(codec, reg, val_mask, val); 896 } 897 898 static int snd_soc_get_volsw_r2_twl4030(struct snd_kcontrol *kcontrol, 899 struct snd_ctl_elem_value *ucontrol) 900 { 901 struct soc_mixer_control *mc = 902 (struct soc_mixer_control *)kcontrol->private_value; 903 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); 904 unsigned int reg = mc->reg; 905 unsigned int reg2 = mc->rreg; 906 unsigned int shift = mc->shift; 907 int max = mc->max; 908 int mask = (1<<fls(max))-1; 909 910 ucontrol->value.integer.value[0] = 911 (twl4030_read(codec, reg) >> shift) & mask; 912 ucontrol->value.integer.value[1] = 913 (twl4030_read(codec, reg2) >> shift) & mask; 914 915 if (ucontrol->value.integer.value[0]) 916 ucontrol->value.integer.value[0] = 917 max + 1 - ucontrol->value.integer.value[0]; 918 if (ucontrol->value.integer.value[1]) 919 ucontrol->value.integer.value[1] = 920 max + 1 - ucontrol->value.integer.value[1]; 921 922 return 0; 923 } 924 925 static int snd_soc_put_volsw_r2_twl4030(struct snd_kcontrol *kcontrol, 926 struct snd_ctl_elem_value *ucontrol) 927 { 928 struct soc_mixer_control *mc = 929 (struct soc_mixer_control *)kcontrol->private_value; 930 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); 931 unsigned int reg = mc->reg; 932 unsigned int reg2 = mc->rreg; 933 unsigned int shift = mc->shift; 934 int max = mc->max; 935 int mask = (1 << fls(max)) - 1; 936 int err; 937 unsigned short val, val2, val_mask; 938 939 val_mask = mask << shift; 940 val = (ucontrol->value.integer.value[0] & mask); 941 val2 = (ucontrol->value.integer.value[1] & mask); 942 943 if (val) 944 val = max + 1 - val; 945 if (val2) 946 val2 = max + 1 - val2; 947 948 val = val << shift; 949 val2 = val2 << shift; 950 951 err = snd_soc_update_bits(codec, reg, val_mask, val); 952 if (err < 0) 953 return err; 954 955 err = snd_soc_update_bits(codec, reg2, val_mask, val2); 956 return err; 957 } 958 959 /* Codec operation modes */ 960 static const char *twl4030_op_modes_texts[] = { 961 "Option 2 (voice/audio)", "Option 1 (audio)" 962 }; 963 964 static SOC_ENUM_SINGLE_DECL(twl4030_op_modes_enum, 965 TWL4030_REG_CODEC_MODE, 0, 966 twl4030_op_modes_texts); 967 968 static int snd_soc_put_twl4030_opmode_enum_double(struct snd_kcontrol *kcontrol, 969 struct snd_ctl_elem_value *ucontrol) 970 { 971 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); 972 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 973 974 if (twl4030->configured) { 975 dev_err(codec->dev, 976 "operation mode cannot be changed on-the-fly\n"); 977 return -EBUSY; 978 } 979 980 return snd_soc_put_enum_double(kcontrol, ucontrol); 981 } 982 983 /* 984 * FGAIN volume control: 985 * from -62 to 0 dB in 1 dB steps (mute instead of -63 dB) 986 */ 987 static DECLARE_TLV_DB_SCALE(digital_fine_tlv, -6300, 100, 1); 988 989 /* 990 * CGAIN volume control: 991 * 0 dB to 12 dB in 6 dB steps 992 * value 2 and 3 means 12 dB 993 */ 994 static DECLARE_TLV_DB_SCALE(digital_coarse_tlv, 0, 600, 0); 995 996 /* 997 * Voice Downlink GAIN volume control: 998 * from -37 to 12 dB in 1 dB steps (mute instead of -37 dB) 999 */ 1000 static DECLARE_TLV_DB_SCALE(digital_voice_downlink_tlv, -3700, 100, 1); 1001 1002 /* 1003 * Analog playback gain 1004 * -24 dB to 12 dB in 2 dB steps 1005 */ 1006 static DECLARE_TLV_DB_SCALE(analog_tlv, -2400, 200, 0); 1007 1008 /* 1009 * Gain controls tied to outputs 1010 * -6 dB to 6 dB in 6 dB steps (mute instead of -12) 1011 */ 1012 static DECLARE_TLV_DB_SCALE(output_tvl, -1200, 600, 1); 1013 1014 /* 1015 * Gain control for earpiece amplifier 1016 * 0 dB to 12 dB in 6 dB steps (mute instead of -6) 1017 */ 1018 static DECLARE_TLV_DB_SCALE(output_ear_tvl, -600, 600, 1); 1019 1020 /* 1021 * Capture gain after the ADCs 1022 * from 0 dB to 31 dB in 1 dB steps 1023 */ 1024 static DECLARE_TLV_DB_SCALE(digital_capture_tlv, 0, 100, 0); 1025 1026 /* 1027 * Gain control for input amplifiers 1028 * 0 dB to 30 dB in 6 dB steps 1029 */ 1030 static DECLARE_TLV_DB_SCALE(input_gain_tlv, 0, 600, 0); 1031 1032 /* AVADC clock priority */ 1033 static const char *twl4030_avadc_clk_priority_texts[] = { 1034 "Voice high priority", "HiFi high priority" 1035 }; 1036 1037 static SOC_ENUM_SINGLE_DECL(twl4030_avadc_clk_priority_enum, 1038 TWL4030_REG_AVADC_CTL, 2, 1039 twl4030_avadc_clk_priority_texts); 1040 1041 static const char *twl4030_rampdelay_texts[] = { 1042 "27/20/14 ms", "55/40/27 ms", "109/81/55 ms", "218/161/109 ms", 1043 "437/323/218 ms", "874/645/437 ms", "1748/1291/874 ms", 1044 "3495/2581/1748 ms" 1045 }; 1046 1047 static SOC_ENUM_SINGLE_DECL(twl4030_rampdelay_enum, 1048 TWL4030_REG_HS_POPN_SET, 2, 1049 twl4030_rampdelay_texts); 1050 1051 /* Vibra H-bridge direction mode */ 1052 static const char *twl4030_vibradirmode_texts[] = { 1053 "Vibra H-bridge direction", "Audio data MSB", 1054 }; 1055 1056 static SOC_ENUM_SINGLE_DECL(twl4030_vibradirmode_enum, 1057 TWL4030_REG_VIBRA_CTL, 5, 1058 twl4030_vibradirmode_texts); 1059 1060 /* Vibra H-bridge direction */ 1061 static const char *twl4030_vibradir_texts[] = { 1062 "Positive polarity", "Negative polarity", 1063 }; 1064 1065 static SOC_ENUM_SINGLE_DECL(twl4030_vibradir_enum, 1066 TWL4030_REG_VIBRA_CTL, 1, 1067 twl4030_vibradir_texts); 1068 1069 /* Digimic Left and right swapping */ 1070 static const char *twl4030_digimicswap_texts[] = { 1071 "Not swapped", "Swapped", 1072 }; 1073 1074 static SOC_ENUM_SINGLE_DECL(twl4030_digimicswap_enum, 1075 TWL4030_REG_MISC_SET_1, 0, 1076 twl4030_digimicswap_texts); 1077 1078 static const struct snd_kcontrol_new twl4030_snd_controls[] = { 1079 /* Codec operation mode control */ 1080 SOC_ENUM_EXT("Codec Operation Mode", twl4030_op_modes_enum, 1081 snd_soc_get_enum_double, 1082 snd_soc_put_twl4030_opmode_enum_double), 1083 1084 /* Common playback gain controls */ 1085 SOC_DOUBLE_R_TLV("DAC1 Digital Fine Playback Volume", 1086 TWL4030_REG_ARXL1PGA, TWL4030_REG_ARXR1PGA, 1087 0, 0x3f, 0, digital_fine_tlv), 1088 SOC_DOUBLE_R_TLV("DAC2 Digital Fine Playback Volume", 1089 TWL4030_REG_ARXL2PGA, TWL4030_REG_ARXR2PGA, 1090 0, 0x3f, 0, digital_fine_tlv), 1091 1092 SOC_DOUBLE_R_TLV("DAC1 Digital Coarse Playback Volume", 1093 TWL4030_REG_ARXL1PGA, TWL4030_REG_ARXR1PGA, 1094 6, 0x2, 0, digital_coarse_tlv), 1095 SOC_DOUBLE_R_TLV("DAC2 Digital Coarse Playback Volume", 1096 TWL4030_REG_ARXL2PGA, TWL4030_REG_ARXR2PGA, 1097 6, 0x2, 0, digital_coarse_tlv), 1098 1099 SOC_DOUBLE_R_TLV("DAC1 Analog Playback Volume", 1100 TWL4030_REG_ARXL1_APGA_CTL, TWL4030_REG_ARXR1_APGA_CTL, 1101 3, 0x12, 1, analog_tlv), 1102 SOC_DOUBLE_R_TLV("DAC2 Analog Playback Volume", 1103 TWL4030_REG_ARXL2_APGA_CTL, TWL4030_REG_ARXR2_APGA_CTL, 1104 3, 0x12, 1, analog_tlv), 1105 SOC_DOUBLE_R("DAC1 Analog Playback Switch", 1106 TWL4030_REG_ARXL1_APGA_CTL, TWL4030_REG_ARXR1_APGA_CTL, 1107 1, 1, 0), 1108 SOC_DOUBLE_R("DAC2 Analog Playback Switch", 1109 TWL4030_REG_ARXL2_APGA_CTL, TWL4030_REG_ARXR2_APGA_CTL, 1110 1, 1, 0), 1111 1112 /* Common voice downlink gain controls */ 1113 SOC_SINGLE_TLV("DAC Voice Digital Downlink Volume", 1114 TWL4030_REG_VRXPGA, 0, 0x31, 0, digital_voice_downlink_tlv), 1115 1116 SOC_SINGLE_TLV("DAC Voice Analog Downlink Volume", 1117 TWL4030_REG_VDL_APGA_CTL, 3, 0x12, 1, analog_tlv), 1118 1119 SOC_SINGLE("DAC Voice Analog Downlink Switch", 1120 TWL4030_REG_VDL_APGA_CTL, 1, 1, 0), 1121 1122 /* Separate output gain controls */ 1123 SOC_DOUBLE_R_EXT_TLV("PreDriv Playback Volume", 1124 TWL4030_REG_PREDL_CTL, TWL4030_REG_PREDR_CTL, 1125 4, 3, 0, snd_soc_get_volsw_r2_twl4030, 1126 snd_soc_put_volsw_r2_twl4030, output_tvl), 1127 1128 SOC_DOUBLE_EXT_TLV("Headset Playback Volume", 1129 TWL4030_REG_HS_GAIN_SET, 0, 2, 3, 0, snd_soc_get_volsw_twl4030, 1130 snd_soc_put_volsw_twl4030, output_tvl), 1131 1132 SOC_DOUBLE_R_EXT_TLV("Carkit Playback Volume", 1133 TWL4030_REG_PRECKL_CTL, TWL4030_REG_PRECKR_CTL, 1134 4, 3, 0, snd_soc_get_volsw_r2_twl4030, 1135 snd_soc_put_volsw_r2_twl4030, output_tvl), 1136 1137 SOC_SINGLE_EXT_TLV("Earpiece Playback Volume", 1138 TWL4030_REG_EAR_CTL, 4, 3, 0, snd_soc_get_volsw_twl4030, 1139 snd_soc_put_volsw_twl4030, output_ear_tvl), 1140 1141 /* Common capture gain controls */ 1142 SOC_DOUBLE_R_TLV("TX1 Digital Capture Volume", 1143 TWL4030_REG_ATXL1PGA, TWL4030_REG_ATXR1PGA, 1144 0, 0x1f, 0, digital_capture_tlv), 1145 SOC_DOUBLE_R_TLV("TX2 Digital Capture Volume", 1146 TWL4030_REG_AVTXL2PGA, TWL4030_REG_AVTXR2PGA, 1147 0, 0x1f, 0, digital_capture_tlv), 1148 1149 SOC_DOUBLE_TLV("Analog Capture Volume", TWL4030_REG_ANAMIC_GAIN, 1150 0, 3, 5, 0, input_gain_tlv), 1151 1152 SOC_ENUM("AVADC Clock Priority", twl4030_avadc_clk_priority_enum), 1153 1154 SOC_ENUM("HS ramp delay", twl4030_rampdelay_enum), 1155 1156 SOC_ENUM("Vibra H-bridge mode", twl4030_vibradirmode_enum), 1157 SOC_ENUM("Vibra H-bridge direction", twl4030_vibradir_enum), 1158 1159 SOC_ENUM("Digimic LR Swap", twl4030_digimicswap_enum), 1160 }; 1161 1162 static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = { 1163 /* Left channel inputs */ 1164 SND_SOC_DAPM_INPUT("MAINMIC"), 1165 SND_SOC_DAPM_INPUT("HSMIC"), 1166 SND_SOC_DAPM_INPUT("AUXL"), 1167 SND_SOC_DAPM_INPUT("CARKITMIC"), 1168 /* Right channel inputs */ 1169 SND_SOC_DAPM_INPUT("SUBMIC"), 1170 SND_SOC_DAPM_INPUT("AUXR"), 1171 /* Digital microphones (Stereo) */ 1172 SND_SOC_DAPM_INPUT("DIGIMIC0"), 1173 SND_SOC_DAPM_INPUT("DIGIMIC1"), 1174 1175 /* Outputs */ 1176 SND_SOC_DAPM_OUTPUT("EARPIECE"), 1177 SND_SOC_DAPM_OUTPUT("PREDRIVEL"), 1178 SND_SOC_DAPM_OUTPUT("PREDRIVER"), 1179 SND_SOC_DAPM_OUTPUT("HSOL"), 1180 SND_SOC_DAPM_OUTPUT("HSOR"), 1181 SND_SOC_DAPM_OUTPUT("CARKITL"), 1182 SND_SOC_DAPM_OUTPUT("CARKITR"), 1183 SND_SOC_DAPM_OUTPUT("HFL"), 1184 SND_SOC_DAPM_OUTPUT("HFR"), 1185 SND_SOC_DAPM_OUTPUT("VIBRA"), 1186 1187 /* AIF and APLL clocks for running DAIs (including loopback) */ 1188 SND_SOC_DAPM_OUTPUT("Virtual HiFi OUT"), 1189 SND_SOC_DAPM_INPUT("Virtual HiFi IN"), 1190 SND_SOC_DAPM_OUTPUT("Virtual Voice OUT"), 1191 1192 /* DACs */ 1193 SND_SOC_DAPM_DAC("DAC Right1", NULL, SND_SOC_NOPM, 0, 0), 1194 SND_SOC_DAPM_DAC("DAC Left1", NULL, SND_SOC_NOPM, 0, 0), 1195 SND_SOC_DAPM_DAC("DAC Right2", NULL, SND_SOC_NOPM, 0, 0), 1196 SND_SOC_DAPM_DAC("DAC Left2", NULL, SND_SOC_NOPM, 0, 0), 1197 SND_SOC_DAPM_DAC("DAC Voice", NULL, SND_SOC_NOPM, 0, 0), 1198 1199 SND_SOC_DAPM_AIF_IN("VAIFIN", "Voice Playback", 0, 1200 TWL4030_REG_VOICE_IF, 6, 0), 1201 1202 /* Analog bypasses */ 1203 SND_SOC_DAPM_SWITCH("Right1 Analog Loopback", SND_SOC_NOPM, 0, 0, 1204 &twl4030_dapm_abypassr1_control), 1205 SND_SOC_DAPM_SWITCH("Left1 Analog Loopback", SND_SOC_NOPM, 0, 0, 1206 &twl4030_dapm_abypassl1_control), 1207 SND_SOC_DAPM_SWITCH("Right2 Analog Loopback", SND_SOC_NOPM, 0, 0, 1208 &twl4030_dapm_abypassr2_control), 1209 SND_SOC_DAPM_SWITCH("Left2 Analog Loopback", SND_SOC_NOPM, 0, 0, 1210 &twl4030_dapm_abypassl2_control), 1211 SND_SOC_DAPM_SWITCH("Voice Analog Loopback", SND_SOC_NOPM, 0, 0, 1212 &twl4030_dapm_abypassv_control), 1213 1214 /* Master analog loopback switch */ 1215 SND_SOC_DAPM_SUPPLY("FM Loop Enable", TWL4030_REG_MISC_SET_1, 5, 0, 1216 NULL, 0), 1217 1218 /* Digital bypasses */ 1219 SND_SOC_DAPM_SWITCH("Left Digital Loopback", SND_SOC_NOPM, 0, 0, 1220 &twl4030_dapm_dbypassl_control), 1221 SND_SOC_DAPM_SWITCH("Right Digital Loopback", SND_SOC_NOPM, 0, 0, 1222 &twl4030_dapm_dbypassr_control), 1223 SND_SOC_DAPM_SWITCH("Voice Digital Loopback", SND_SOC_NOPM, 0, 0, 1224 &twl4030_dapm_dbypassv_control), 1225 1226 /* Digital mixers, power control for the physical DACs */ 1227 SND_SOC_DAPM_MIXER("Digital R1 Playback Mixer", 1228 TWL4030_REG_AVDAC_CTL, 0, 0, NULL, 0), 1229 SND_SOC_DAPM_MIXER("Digital L1 Playback Mixer", 1230 TWL4030_REG_AVDAC_CTL, 1, 0, NULL, 0), 1231 SND_SOC_DAPM_MIXER("Digital R2 Playback Mixer", 1232 TWL4030_REG_AVDAC_CTL, 2, 0, NULL, 0), 1233 SND_SOC_DAPM_MIXER("Digital L2 Playback Mixer", 1234 TWL4030_REG_AVDAC_CTL, 3, 0, NULL, 0), 1235 SND_SOC_DAPM_MIXER("Digital Voice Playback Mixer", 1236 TWL4030_REG_AVDAC_CTL, 4, 0, NULL, 0), 1237 1238 /* Analog mixers, power control for the physical PGAs */ 1239 SND_SOC_DAPM_MIXER("Analog R1 Playback Mixer", 1240 TWL4030_REG_ARXR1_APGA_CTL, 0, 0, NULL, 0), 1241 SND_SOC_DAPM_MIXER("Analog L1 Playback Mixer", 1242 TWL4030_REG_ARXL1_APGA_CTL, 0, 0, NULL, 0), 1243 SND_SOC_DAPM_MIXER("Analog R2 Playback Mixer", 1244 TWL4030_REG_ARXR2_APGA_CTL, 0, 0, NULL, 0), 1245 SND_SOC_DAPM_MIXER("Analog L2 Playback Mixer", 1246 TWL4030_REG_ARXL2_APGA_CTL, 0, 0, NULL, 0), 1247 SND_SOC_DAPM_MIXER("Analog Voice Playback Mixer", 1248 TWL4030_REG_VDL_APGA_CTL, 0, 0, NULL, 0), 1249 1250 SND_SOC_DAPM_SUPPLY("APLL Enable", SND_SOC_NOPM, 0, 0, apll_event, 1251 SND_SOC_DAPM_PRE_PMU|SND_SOC_DAPM_POST_PMD), 1252 1253 SND_SOC_DAPM_SUPPLY("AIF Enable", SND_SOC_NOPM, 0, 0, aif_event, 1254 SND_SOC_DAPM_PRE_PMU|SND_SOC_DAPM_POST_PMD), 1255 1256 /* Output MIXER controls */ 1257 /* Earpiece */ 1258 SND_SOC_DAPM_MIXER("Earpiece Mixer", SND_SOC_NOPM, 0, 0, 1259 &twl4030_dapm_earpiece_controls[0], 1260 ARRAY_SIZE(twl4030_dapm_earpiece_controls)), 1261 SND_SOC_DAPM_PGA_E("Earpiece PGA", SND_SOC_NOPM, 1262 0, 0, NULL, 0, earpiecepga_event, 1263 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD), 1264 /* PreDrivL/R */ 1265 SND_SOC_DAPM_MIXER("PredriveL Mixer", SND_SOC_NOPM, 0, 0, 1266 &twl4030_dapm_predrivel_controls[0], 1267 ARRAY_SIZE(twl4030_dapm_predrivel_controls)), 1268 SND_SOC_DAPM_PGA_E("PredriveL PGA", SND_SOC_NOPM, 1269 0, 0, NULL, 0, predrivelpga_event, 1270 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD), 1271 SND_SOC_DAPM_MIXER("PredriveR Mixer", SND_SOC_NOPM, 0, 0, 1272 &twl4030_dapm_predriver_controls[0], 1273 ARRAY_SIZE(twl4030_dapm_predriver_controls)), 1274 SND_SOC_DAPM_PGA_E("PredriveR PGA", SND_SOC_NOPM, 1275 0, 0, NULL, 0, predriverpga_event, 1276 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD), 1277 /* HeadsetL/R */ 1278 SND_SOC_DAPM_MIXER("HeadsetL Mixer", SND_SOC_NOPM, 0, 0, 1279 &twl4030_dapm_hsol_controls[0], 1280 ARRAY_SIZE(twl4030_dapm_hsol_controls)), 1281 SND_SOC_DAPM_PGA_E("HeadsetL PGA", SND_SOC_NOPM, 1282 0, 0, NULL, 0, headsetlpga_event, 1283 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD), 1284 SND_SOC_DAPM_MIXER("HeadsetR Mixer", SND_SOC_NOPM, 0, 0, 1285 &twl4030_dapm_hsor_controls[0], 1286 ARRAY_SIZE(twl4030_dapm_hsor_controls)), 1287 SND_SOC_DAPM_PGA_E("HeadsetR PGA", SND_SOC_NOPM, 1288 0, 0, NULL, 0, headsetrpga_event, 1289 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD), 1290 /* CarkitL/R */ 1291 SND_SOC_DAPM_MIXER("CarkitL Mixer", SND_SOC_NOPM, 0, 0, 1292 &twl4030_dapm_carkitl_controls[0], 1293 ARRAY_SIZE(twl4030_dapm_carkitl_controls)), 1294 SND_SOC_DAPM_PGA_E("CarkitL PGA", SND_SOC_NOPM, 1295 0, 0, NULL, 0, carkitlpga_event, 1296 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD), 1297 SND_SOC_DAPM_MIXER("CarkitR Mixer", SND_SOC_NOPM, 0, 0, 1298 &twl4030_dapm_carkitr_controls[0], 1299 ARRAY_SIZE(twl4030_dapm_carkitr_controls)), 1300 SND_SOC_DAPM_PGA_E("CarkitR PGA", SND_SOC_NOPM, 1301 0, 0, NULL, 0, carkitrpga_event, 1302 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD), 1303 1304 /* Output MUX controls */ 1305 /* HandsfreeL/R */ 1306 SND_SOC_DAPM_MUX("HandsfreeL Mux", SND_SOC_NOPM, 0, 0, 1307 &twl4030_dapm_handsfreel_control), 1308 SND_SOC_DAPM_SWITCH("HandsfreeL", SND_SOC_NOPM, 0, 0, 1309 &twl4030_dapm_handsfreelmute_control), 1310 SND_SOC_DAPM_PGA_E("HandsfreeL PGA", SND_SOC_NOPM, 1311 0, 0, NULL, 0, handsfreelpga_event, 1312 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD), 1313 SND_SOC_DAPM_MUX("HandsfreeR Mux", SND_SOC_NOPM, 5, 0, 1314 &twl4030_dapm_handsfreer_control), 1315 SND_SOC_DAPM_SWITCH("HandsfreeR", SND_SOC_NOPM, 0, 0, 1316 &twl4030_dapm_handsfreermute_control), 1317 SND_SOC_DAPM_PGA_E("HandsfreeR PGA", SND_SOC_NOPM, 1318 0, 0, NULL, 0, handsfreerpga_event, 1319 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD), 1320 /* Vibra */ 1321 SND_SOC_DAPM_MUX_E("Vibra Mux", TWL4030_REG_VIBRA_CTL, 0, 0, 1322 &twl4030_dapm_vibra_control, vibramux_event, 1323 SND_SOC_DAPM_PRE_PMU), 1324 SND_SOC_DAPM_MUX("Vibra Route", SND_SOC_NOPM, 0, 0, 1325 &twl4030_dapm_vibrapath_control), 1326 1327 /* Introducing four virtual ADC, since TWL4030 have four channel for 1328 capture */ 1329 SND_SOC_DAPM_ADC("ADC Virtual Left1", NULL, SND_SOC_NOPM, 0, 0), 1330 SND_SOC_DAPM_ADC("ADC Virtual Right1", NULL, SND_SOC_NOPM, 0, 0), 1331 SND_SOC_DAPM_ADC("ADC Virtual Left2", NULL, SND_SOC_NOPM, 0, 0), 1332 SND_SOC_DAPM_ADC("ADC Virtual Right2", NULL, SND_SOC_NOPM, 0, 0), 1333 1334 SND_SOC_DAPM_AIF_OUT("VAIFOUT", "Voice Capture", 0, 1335 TWL4030_REG_VOICE_IF, 5, 0), 1336 1337 /* Analog/Digital mic path selection. 1338 TX1 Left/Right: either analog Left/Right or Digimic0 1339 TX2 Left/Right: either analog Left/Right or Digimic1 */ 1340 SND_SOC_DAPM_MUX("TX1 Capture Route", SND_SOC_NOPM, 0, 0, 1341 &twl4030_dapm_micpathtx1_control), 1342 SND_SOC_DAPM_MUX("TX2 Capture Route", SND_SOC_NOPM, 0, 0, 1343 &twl4030_dapm_micpathtx2_control), 1344 1345 /* Analog input mixers for the capture amplifiers */ 1346 SND_SOC_DAPM_MIXER("Analog Left", 1347 TWL4030_REG_ANAMICL, 4, 0, 1348 &twl4030_dapm_analoglmic_controls[0], 1349 ARRAY_SIZE(twl4030_dapm_analoglmic_controls)), 1350 SND_SOC_DAPM_MIXER("Analog Right", 1351 TWL4030_REG_ANAMICR, 4, 0, 1352 &twl4030_dapm_analogrmic_controls[0], 1353 ARRAY_SIZE(twl4030_dapm_analogrmic_controls)), 1354 1355 SND_SOC_DAPM_PGA("ADC Physical Left", 1356 TWL4030_REG_AVADC_CTL, 3, 0, NULL, 0), 1357 SND_SOC_DAPM_PGA("ADC Physical Right", 1358 TWL4030_REG_AVADC_CTL, 1, 0, NULL, 0), 1359 1360 SND_SOC_DAPM_PGA_E("Digimic0 Enable", 1361 TWL4030_REG_ADCMICSEL, 1, 0, NULL, 0, 1362 digimic_event, SND_SOC_DAPM_POST_PMU), 1363 SND_SOC_DAPM_PGA_E("Digimic1 Enable", 1364 TWL4030_REG_ADCMICSEL, 3, 0, NULL, 0, 1365 digimic_event, SND_SOC_DAPM_POST_PMU), 1366 1367 SND_SOC_DAPM_SUPPLY("micbias1 select", TWL4030_REG_MICBIAS_CTL, 5, 0, 1368 NULL, 0), 1369 SND_SOC_DAPM_SUPPLY("micbias2 select", TWL4030_REG_MICBIAS_CTL, 6, 0, 1370 NULL, 0), 1371 1372 /* Microphone bias */ 1373 SND_SOC_DAPM_SUPPLY("Mic Bias 1", 1374 TWL4030_REG_MICBIAS_CTL, 0, 0, NULL, 0), 1375 SND_SOC_DAPM_SUPPLY("Mic Bias 2", 1376 TWL4030_REG_MICBIAS_CTL, 1, 0, NULL, 0), 1377 SND_SOC_DAPM_SUPPLY("Headset Mic Bias", 1378 TWL4030_REG_MICBIAS_CTL, 2, 0, NULL, 0), 1379 1380 SND_SOC_DAPM_SUPPLY("VIF Enable", TWL4030_REG_VOICE_IF, 0, 0, NULL, 0), 1381 }; 1382 1383 static const struct snd_soc_dapm_route intercon[] = { 1384 /* Stream -> DAC mapping */ 1385 {"DAC Right1", NULL, "HiFi Playback"}, 1386 {"DAC Left1", NULL, "HiFi Playback"}, 1387 {"DAC Right2", NULL, "HiFi Playback"}, 1388 {"DAC Left2", NULL, "HiFi Playback"}, 1389 {"DAC Voice", NULL, "VAIFIN"}, 1390 1391 /* ADC -> Stream mapping */ 1392 {"HiFi Capture", NULL, "ADC Virtual Left1"}, 1393 {"HiFi Capture", NULL, "ADC Virtual Right1"}, 1394 {"HiFi Capture", NULL, "ADC Virtual Left2"}, 1395 {"HiFi Capture", NULL, "ADC Virtual Right2"}, 1396 {"VAIFOUT", NULL, "ADC Virtual Left2"}, 1397 {"VAIFOUT", NULL, "ADC Virtual Right2"}, 1398 {"VAIFOUT", NULL, "VIF Enable"}, 1399 1400 {"Digital L1 Playback Mixer", NULL, "DAC Left1"}, 1401 {"Digital R1 Playback Mixer", NULL, "DAC Right1"}, 1402 {"Digital L2 Playback Mixer", NULL, "DAC Left2"}, 1403 {"Digital R2 Playback Mixer", NULL, "DAC Right2"}, 1404 {"Digital Voice Playback Mixer", NULL, "DAC Voice"}, 1405 1406 /* Supply for the digital part (APLL) */ 1407 {"Digital Voice Playback Mixer", NULL, "APLL Enable"}, 1408 1409 {"DAC Left1", NULL, "AIF Enable"}, 1410 {"DAC Right1", NULL, "AIF Enable"}, 1411 {"DAC Left2", NULL, "AIF Enable"}, 1412 {"DAC Right1", NULL, "AIF Enable"}, 1413 {"DAC Voice", NULL, "VIF Enable"}, 1414 1415 {"Digital R2 Playback Mixer", NULL, "AIF Enable"}, 1416 {"Digital L2 Playback Mixer", NULL, "AIF Enable"}, 1417 1418 {"Analog L1 Playback Mixer", NULL, "Digital L1 Playback Mixer"}, 1419 {"Analog R1 Playback Mixer", NULL, "Digital R1 Playback Mixer"}, 1420 {"Analog L2 Playback Mixer", NULL, "Digital L2 Playback Mixer"}, 1421 {"Analog R2 Playback Mixer", NULL, "Digital R2 Playback Mixer"}, 1422 {"Analog Voice Playback Mixer", NULL, "Digital Voice Playback Mixer"}, 1423 1424 /* Internal playback routings */ 1425 /* Earpiece */ 1426 {"Earpiece Mixer", "Voice", "Analog Voice Playback Mixer"}, 1427 {"Earpiece Mixer", "AudioL1", "Analog L1 Playback Mixer"}, 1428 {"Earpiece Mixer", "AudioL2", "Analog L2 Playback Mixer"}, 1429 {"Earpiece Mixer", "AudioR1", "Analog R1 Playback Mixer"}, 1430 {"Earpiece PGA", NULL, "Earpiece Mixer"}, 1431 /* PreDrivL */ 1432 {"PredriveL Mixer", "Voice", "Analog Voice Playback Mixer"}, 1433 {"PredriveL Mixer", "AudioL1", "Analog L1 Playback Mixer"}, 1434 {"PredriveL Mixer", "AudioL2", "Analog L2 Playback Mixer"}, 1435 {"PredriveL Mixer", "AudioR2", "Analog R2 Playback Mixer"}, 1436 {"PredriveL PGA", NULL, "PredriveL Mixer"}, 1437 /* PreDrivR */ 1438 {"PredriveR Mixer", "Voice", "Analog Voice Playback Mixer"}, 1439 {"PredriveR Mixer", "AudioR1", "Analog R1 Playback Mixer"}, 1440 {"PredriveR Mixer", "AudioR2", "Analog R2 Playback Mixer"}, 1441 {"PredriveR Mixer", "AudioL2", "Analog L2 Playback Mixer"}, 1442 {"PredriveR PGA", NULL, "PredriveR Mixer"}, 1443 /* HeadsetL */ 1444 {"HeadsetL Mixer", "Voice", "Analog Voice Playback Mixer"}, 1445 {"HeadsetL Mixer", "AudioL1", "Analog L1 Playback Mixer"}, 1446 {"HeadsetL Mixer", "AudioL2", "Analog L2 Playback Mixer"}, 1447 {"HeadsetL PGA", NULL, "HeadsetL Mixer"}, 1448 /* HeadsetR */ 1449 {"HeadsetR Mixer", "Voice", "Analog Voice Playback Mixer"}, 1450 {"HeadsetR Mixer", "AudioR1", "Analog R1 Playback Mixer"}, 1451 {"HeadsetR Mixer", "AudioR2", "Analog R2 Playback Mixer"}, 1452 {"HeadsetR PGA", NULL, "HeadsetR Mixer"}, 1453 /* CarkitL */ 1454 {"CarkitL Mixer", "Voice", "Analog Voice Playback Mixer"}, 1455 {"CarkitL Mixer", "AudioL1", "Analog L1 Playback Mixer"}, 1456 {"CarkitL Mixer", "AudioL2", "Analog L2 Playback Mixer"}, 1457 {"CarkitL PGA", NULL, "CarkitL Mixer"}, 1458 /* CarkitR */ 1459 {"CarkitR Mixer", "Voice", "Analog Voice Playback Mixer"}, 1460 {"CarkitR Mixer", "AudioR1", "Analog R1 Playback Mixer"}, 1461 {"CarkitR Mixer", "AudioR2", "Analog R2 Playback Mixer"}, 1462 {"CarkitR PGA", NULL, "CarkitR Mixer"}, 1463 /* HandsfreeL */ 1464 {"HandsfreeL Mux", "Voice", "Analog Voice Playback Mixer"}, 1465 {"HandsfreeL Mux", "AudioL1", "Analog L1 Playback Mixer"}, 1466 {"HandsfreeL Mux", "AudioL2", "Analog L2 Playback Mixer"}, 1467 {"HandsfreeL Mux", "AudioR2", "Analog R2 Playback Mixer"}, 1468 {"HandsfreeL", "Switch", "HandsfreeL Mux"}, 1469 {"HandsfreeL PGA", NULL, "HandsfreeL"}, 1470 /* HandsfreeR */ 1471 {"HandsfreeR Mux", "Voice", "Analog Voice Playback Mixer"}, 1472 {"HandsfreeR Mux", "AudioR1", "Analog R1 Playback Mixer"}, 1473 {"HandsfreeR Mux", "AudioR2", "Analog R2 Playback Mixer"}, 1474 {"HandsfreeR Mux", "AudioL2", "Analog L2 Playback Mixer"}, 1475 {"HandsfreeR", "Switch", "HandsfreeR Mux"}, 1476 {"HandsfreeR PGA", NULL, "HandsfreeR"}, 1477 /* Vibra */ 1478 {"Vibra Mux", "AudioL1", "DAC Left1"}, 1479 {"Vibra Mux", "AudioR1", "DAC Right1"}, 1480 {"Vibra Mux", "AudioL2", "DAC Left2"}, 1481 {"Vibra Mux", "AudioR2", "DAC Right2"}, 1482 1483 /* outputs */ 1484 /* Must be always connected (for AIF and APLL) */ 1485 {"Virtual HiFi OUT", NULL, "DAC Left1"}, 1486 {"Virtual HiFi OUT", NULL, "DAC Right1"}, 1487 {"Virtual HiFi OUT", NULL, "DAC Left2"}, 1488 {"Virtual HiFi OUT", NULL, "DAC Right2"}, 1489 /* Must be always connected (for APLL) */ 1490 {"Virtual Voice OUT", NULL, "Digital Voice Playback Mixer"}, 1491 /* Physical outputs */ 1492 {"EARPIECE", NULL, "Earpiece PGA"}, 1493 {"PREDRIVEL", NULL, "PredriveL PGA"}, 1494 {"PREDRIVER", NULL, "PredriveR PGA"}, 1495 {"HSOL", NULL, "HeadsetL PGA"}, 1496 {"HSOR", NULL, "HeadsetR PGA"}, 1497 {"CARKITL", NULL, "CarkitL PGA"}, 1498 {"CARKITR", NULL, "CarkitR PGA"}, 1499 {"HFL", NULL, "HandsfreeL PGA"}, 1500 {"HFR", NULL, "HandsfreeR PGA"}, 1501 {"Vibra Route", "Audio", "Vibra Mux"}, 1502 {"VIBRA", NULL, "Vibra Route"}, 1503 1504 /* Capture path */ 1505 /* Must be always connected (for AIF and APLL) */ 1506 {"ADC Virtual Left1", NULL, "Virtual HiFi IN"}, 1507 {"ADC Virtual Right1", NULL, "Virtual HiFi IN"}, 1508 {"ADC Virtual Left2", NULL, "Virtual HiFi IN"}, 1509 {"ADC Virtual Right2", NULL, "Virtual HiFi IN"}, 1510 /* Physical inputs */ 1511 {"Analog Left", "Main Mic Capture Switch", "MAINMIC"}, 1512 {"Analog Left", "Headset Mic Capture Switch", "HSMIC"}, 1513 {"Analog Left", "AUXL Capture Switch", "AUXL"}, 1514 {"Analog Left", "Carkit Mic Capture Switch", "CARKITMIC"}, 1515 1516 {"Analog Right", "Sub Mic Capture Switch", "SUBMIC"}, 1517 {"Analog Right", "AUXR Capture Switch", "AUXR"}, 1518 1519 {"ADC Physical Left", NULL, "Analog Left"}, 1520 {"ADC Physical Right", NULL, "Analog Right"}, 1521 1522 {"Digimic0 Enable", NULL, "DIGIMIC0"}, 1523 {"Digimic1 Enable", NULL, "DIGIMIC1"}, 1524 1525 {"DIGIMIC0", NULL, "micbias1 select"}, 1526 {"DIGIMIC1", NULL, "micbias2 select"}, 1527 1528 /* TX1 Left capture path */ 1529 {"TX1 Capture Route", "Analog", "ADC Physical Left"}, 1530 {"TX1 Capture Route", "Digimic0", "Digimic0 Enable"}, 1531 /* TX1 Right capture path */ 1532 {"TX1 Capture Route", "Analog", "ADC Physical Right"}, 1533 {"TX1 Capture Route", "Digimic0", "Digimic0 Enable"}, 1534 /* TX2 Left capture path */ 1535 {"TX2 Capture Route", "Analog", "ADC Physical Left"}, 1536 {"TX2 Capture Route", "Digimic1", "Digimic1 Enable"}, 1537 /* TX2 Right capture path */ 1538 {"TX2 Capture Route", "Analog", "ADC Physical Right"}, 1539 {"TX2 Capture Route", "Digimic1", "Digimic1 Enable"}, 1540 1541 {"ADC Virtual Left1", NULL, "TX1 Capture Route"}, 1542 {"ADC Virtual Right1", NULL, "TX1 Capture Route"}, 1543 {"ADC Virtual Left2", NULL, "TX2 Capture Route"}, 1544 {"ADC Virtual Right2", NULL, "TX2 Capture Route"}, 1545 1546 {"ADC Virtual Left1", NULL, "AIF Enable"}, 1547 {"ADC Virtual Right1", NULL, "AIF Enable"}, 1548 {"ADC Virtual Left2", NULL, "AIF Enable"}, 1549 {"ADC Virtual Right2", NULL, "AIF Enable"}, 1550 1551 /* Analog bypass routes */ 1552 {"Right1 Analog Loopback", "Switch", "Analog Right"}, 1553 {"Left1 Analog Loopback", "Switch", "Analog Left"}, 1554 {"Right2 Analog Loopback", "Switch", "Analog Right"}, 1555 {"Left2 Analog Loopback", "Switch", "Analog Left"}, 1556 {"Voice Analog Loopback", "Switch", "Analog Left"}, 1557 1558 /* Supply for the Analog loopbacks */ 1559 {"Right1 Analog Loopback", NULL, "FM Loop Enable"}, 1560 {"Left1 Analog Loopback", NULL, "FM Loop Enable"}, 1561 {"Right2 Analog Loopback", NULL, "FM Loop Enable"}, 1562 {"Left2 Analog Loopback", NULL, "FM Loop Enable"}, 1563 {"Voice Analog Loopback", NULL, "FM Loop Enable"}, 1564 1565 {"Analog R1 Playback Mixer", NULL, "Right1 Analog Loopback"}, 1566 {"Analog L1 Playback Mixer", NULL, "Left1 Analog Loopback"}, 1567 {"Analog R2 Playback Mixer", NULL, "Right2 Analog Loopback"}, 1568 {"Analog L2 Playback Mixer", NULL, "Left2 Analog Loopback"}, 1569 {"Analog Voice Playback Mixer", NULL, "Voice Analog Loopback"}, 1570 1571 /* Digital bypass routes */ 1572 {"Right Digital Loopback", "Volume", "TX1 Capture Route"}, 1573 {"Left Digital Loopback", "Volume", "TX1 Capture Route"}, 1574 {"Voice Digital Loopback", "Volume", "TX2 Capture Route"}, 1575 1576 {"Digital R2 Playback Mixer", NULL, "Right Digital Loopback"}, 1577 {"Digital L2 Playback Mixer", NULL, "Left Digital Loopback"}, 1578 {"Digital Voice Playback Mixer", NULL, "Voice Digital Loopback"}, 1579 1580 }; 1581 1582 static int twl4030_set_bias_level(struct snd_soc_codec *codec, 1583 enum snd_soc_bias_level level) 1584 { 1585 switch (level) { 1586 case SND_SOC_BIAS_ON: 1587 break; 1588 case SND_SOC_BIAS_PREPARE: 1589 break; 1590 case SND_SOC_BIAS_STANDBY: 1591 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) 1592 twl4030_codec_enable(codec, 1); 1593 break; 1594 case SND_SOC_BIAS_OFF: 1595 twl4030_codec_enable(codec, 0); 1596 break; 1597 } 1598 1599 return 0; 1600 } 1601 1602 static void twl4030_constraints(struct twl4030_priv *twl4030, 1603 struct snd_pcm_substream *mst_substream) 1604 { 1605 struct snd_pcm_substream *slv_substream; 1606 1607 /* Pick the stream, which need to be constrained */ 1608 if (mst_substream == twl4030->master_substream) 1609 slv_substream = twl4030->slave_substream; 1610 else if (mst_substream == twl4030->slave_substream) 1611 slv_substream = twl4030->master_substream; 1612 else /* This should not happen.. */ 1613 return; 1614 1615 /* Set the constraints according to the already configured stream */ 1616 snd_pcm_hw_constraint_single(slv_substream->runtime, 1617 SNDRV_PCM_HW_PARAM_RATE, 1618 twl4030->rate); 1619 1620 snd_pcm_hw_constraint_single(slv_substream->runtime, 1621 SNDRV_PCM_HW_PARAM_SAMPLE_BITS, 1622 twl4030->sample_bits); 1623 1624 snd_pcm_hw_constraint_single(slv_substream->runtime, 1625 SNDRV_PCM_HW_PARAM_CHANNELS, 1626 twl4030->channels); 1627 } 1628 1629 /* In case of 4 channel mode, the RX1 L/R for playback and the TX2 L/R for 1630 * capture has to be enabled/disabled. */ 1631 static void twl4030_tdm_enable(struct snd_soc_codec *codec, int direction, 1632 int enable) 1633 { 1634 u8 reg, mask; 1635 1636 reg = twl4030_read(codec, TWL4030_REG_OPTION); 1637 1638 if (direction == SNDRV_PCM_STREAM_PLAYBACK) 1639 mask = TWL4030_ARXL1_VRX_EN | TWL4030_ARXR1_EN; 1640 else 1641 mask = TWL4030_ATXL2_VTXL_EN | TWL4030_ATXR2_VTXR_EN; 1642 1643 if (enable) 1644 reg |= mask; 1645 else 1646 reg &= ~mask; 1647 1648 twl4030_write(codec, TWL4030_REG_OPTION, reg); 1649 } 1650 1651 static int twl4030_startup(struct snd_pcm_substream *substream, 1652 struct snd_soc_dai *dai) 1653 { 1654 struct snd_soc_codec *codec = dai->codec; 1655 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 1656 1657 if (twl4030->master_substream) { 1658 twl4030->slave_substream = substream; 1659 /* The DAI has one configuration for playback and capture, so 1660 * if the DAI has been already configured then constrain this 1661 * substream to match it. */ 1662 if (twl4030->configured) 1663 twl4030_constraints(twl4030, twl4030->master_substream); 1664 } else { 1665 if (!(twl4030_read(codec, TWL4030_REG_CODEC_MODE) & 1666 TWL4030_OPTION_1)) { 1667 /* In option2 4 channel is not supported, set the 1668 * constraint for the first stream for channels, the 1669 * second stream will 'inherit' this cosntraint */ 1670 snd_pcm_hw_constraint_single(substream->runtime, 1671 SNDRV_PCM_HW_PARAM_CHANNELS, 1672 2); 1673 } 1674 twl4030->master_substream = substream; 1675 } 1676 1677 return 0; 1678 } 1679 1680 static void twl4030_shutdown(struct snd_pcm_substream *substream, 1681 struct snd_soc_dai *dai) 1682 { 1683 struct snd_soc_codec *codec = dai->codec; 1684 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 1685 1686 if (twl4030->master_substream == substream) 1687 twl4030->master_substream = twl4030->slave_substream; 1688 1689 twl4030->slave_substream = NULL; 1690 1691 /* If all streams are closed, or the remaining stream has not yet 1692 * been configured than set the DAI as not configured. */ 1693 if (!twl4030->master_substream) 1694 twl4030->configured = 0; 1695 else if (!twl4030->master_substream->runtime->channels) 1696 twl4030->configured = 0; 1697 1698 /* If the closing substream had 4 channel, do the necessary cleanup */ 1699 if (substream->runtime->channels == 4) 1700 twl4030_tdm_enable(codec, substream->stream, 0); 1701 } 1702 1703 static int twl4030_hw_params(struct snd_pcm_substream *substream, 1704 struct snd_pcm_hw_params *params, 1705 struct snd_soc_dai *dai) 1706 { 1707 struct snd_soc_codec *codec = dai->codec; 1708 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 1709 u8 mode, old_mode, format, old_format; 1710 1711 /* If the substream has 4 channel, do the necessary setup */ 1712 if (params_channels(params) == 4) { 1713 format = twl4030_read(codec, TWL4030_REG_AUDIO_IF); 1714 mode = twl4030_read(codec, TWL4030_REG_CODEC_MODE); 1715 1716 /* Safety check: are we in the correct operating mode and 1717 * the interface is in TDM mode? */ 1718 if ((mode & TWL4030_OPTION_1) && 1719 ((format & TWL4030_AIF_FORMAT) == TWL4030_AIF_FORMAT_TDM)) 1720 twl4030_tdm_enable(codec, substream->stream, 1); 1721 else 1722 return -EINVAL; 1723 } 1724 1725 if (twl4030->configured) 1726 /* Ignoring hw_params for already configured DAI */ 1727 return 0; 1728 1729 /* bit rate */ 1730 old_mode = twl4030_read(codec, 1731 TWL4030_REG_CODEC_MODE) & ~TWL4030_CODECPDZ; 1732 mode = old_mode & ~TWL4030_APLL_RATE; 1733 1734 switch (params_rate(params)) { 1735 case 8000: 1736 mode |= TWL4030_APLL_RATE_8000; 1737 break; 1738 case 11025: 1739 mode |= TWL4030_APLL_RATE_11025; 1740 break; 1741 case 12000: 1742 mode |= TWL4030_APLL_RATE_12000; 1743 break; 1744 case 16000: 1745 mode |= TWL4030_APLL_RATE_16000; 1746 break; 1747 case 22050: 1748 mode |= TWL4030_APLL_RATE_22050; 1749 break; 1750 case 24000: 1751 mode |= TWL4030_APLL_RATE_24000; 1752 break; 1753 case 32000: 1754 mode |= TWL4030_APLL_RATE_32000; 1755 break; 1756 case 44100: 1757 mode |= TWL4030_APLL_RATE_44100; 1758 break; 1759 case 48000: 1760 mode |= TWL4030_APLL_RATE_48000; 1761 break; 1762 case 96000: 1763 mode |= TWL4030_APLL_RATE_96000; 1764 break; 1765 default: 1766 dev_err(codec->dev, "%s: unknown rate %d\n", __func__, 1767 params_rate(params)); 1768 return -EINVAL; 1769 } 1770 1771 /* sample size */ 1772 old_format = twl4030_read(codec, TWL4030_REG_AUDIO_IF); 1773 format = old_format; 1774 format &= ~TWL4030_DATA_WIDTH; 1775 switch (params_width(params)) { 1776 case 16: 1777 format |= TWL4030_DATA_WIDTH_16S_16W; 1778 break; 1779 case 32: 1780 format |= TWL4030_DATA_WIDTH_32S_24W; 1781 break; 1782 default: 1783 dev_err(codec->dev, "%s: unsupported bits/sample %d\n", 1784 __func__, params_width(params)); 1785 return -EINVAL; 1786 } 1787 1788 if (format != old_format || mode != old_mode) { 1789 if (twl4030->codec_powered) { 1790 /* 1791 * If the codec is powered, than we need to toggle the 1792 * codec power. 1793 */ 1794 twl4030_codec_enable(codec, 0); 1795 twl4030_write(codec, TWL4030_REG_CODEC_MODE, mode); 1796 twl4030_write(codec, TWL4030_REG_AUDIO_IF, format); 1797 twl4030_codec_enable(codec, 1); 1798 } else { 1799 twl4030_write(codec, TWL4030_REG_CODEC_MODE, mode); 1800 twl4030_write(codec, TWL4030_REG_AUDIO_IF, format); 1801 } 1802 } 1803 1804 /* Store the important parameters for the DAI configuration and set 1805 * the DAI as configured */ 1806 twl4030->configured = 1; 1807 twl4030->rate = params_rate(params); 1808 twl4030->sample_bits = hw_param_interval(params, 1809 SNDRV_PCM_HW_PARAM_SAMPLE_BITS)->min; 1810 twl4030->channels = params_channels(params); 1811 1812 /* If both playback and capture streams are open, and one of them 1813 * is setting the hw parameters right now (since we are here), set 1814 * constraints to the other stream to match the current one. */ 1815 if (twl4030->slave_substream) 1816 twl4030_constraints(twl4030, substream); 1817 1818 return 0; 1819 } 1820 1821 static int twl4030_set_dai_sysclk(struct snd_soc_dai *codec_dai, int clk_id, 1822 unsigned int freq, int dir) 1823 { 1824 struct snd_soc_codec *codec = codec_dai->codec; 1825 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 1826 1827 switch (freq) { 1828 case 19200000: 1829 case 26000000: 1830 case 38400000: 1831 break; 1832 default: 1833 dev_err(codec->dev, "Unsupported HFCLKIN: %u\n", freq); 1834 return -EINVAL; 1835 } 1836 1837 if ((freq / 1000) != twl4030->sysclk) { 1838 dev_err(codec->dev, 1839 "Mismatch in HFCLKIN: %u (configured: %u)\n", 1840 freq, twl4030->sysclk * 1000); 1841 return -EINVAL; 1842 } 1843 1844 return 0; 1845 } 1846 1847 static int twl4030_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) 1848 { 1849 struct snd_soc_codec *codec = codec_dai->codec; 1850 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 1851 u8 old_format, format; 1852 1853 /* get format */ 1854 old_format = twl4030_read(codec, TWL4030_REG_AUDIO_IF); 1855 format = old_format; 1856 1857 /* set master/slave audio interface */ 1858 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { 1859 case SND_SOC_DAIFMT_CBM_CFM: 1860 format &= ~(TWL4030_AIF_SLAVE_EN); 1861 format &= ~(TWL4030_CLK256FS_EN); 1862 break; 1863 case SND_SOC_DAIFMT_CBS_CFS: 1864 format |= TWL4030_AIF_SLAVE_EN; 1865 format |= TWL4030_CLK256FS_EN; 1866 break; 1867 default: 1868 return -EINVAL; 1869 } 1870 1871 /* interface format */ 1872 format &= ~TWL4030_AIF_FORMAT; 1873 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 1874 case SND_SOC_DAIFMT_I2S: 1875 format |= TWL4030_AIF_FORMAT_CODEC; 1876 break; 1877 case SND_SOC_DAIFMT_DSP_A: 1878 format |= TWL4030_AIF_FORMAT_TDM; 1879 break; 1880 default: 1881 return -EINVAL; 1882 } 1883 1884 if (format != old_format) { 1885 if (twl4030->codec_powered) { 1886 /* 1887 * If the codec is powered, than we need to toggle the 1888 * codec power. 1889 */ 1890 twl4030_codec_enable(codec, 0); 1891 twl4030_write(codec, TWL4030_REG_AUDIO_IF, format); 1892 twl4030_codec_enable(codec, 1); 1893 } else { 1894 twl4030_write(codec, TWL4030_REG_AUDIO_IF, format); 1895 } 1896 } 1897 1898 return 0; 1899 } 1900 1901 static int twl4030_set_tristate(struct snd_soc_dai *dai, int tristate) 1902 { 1903 struct snd_soc_codec *codec = dai->codec; 1904 u8 reg = twl4030_read(codec, TWL4030_REG_AUDIO_IF); 1905 1906 if (tristate) 1907 reg |= TWL4030_AIF_TRI_EN; 1908 else 1909 reg &= ~TWL4030_AIF_TRI_EN; 1910 1911 return twl4030_write(codec, TWL4030_REG_AUDIO_IF, reg); 1912 } 1913 1914 /* In case of voice mode, the RX1 L(VRX) for downlink and the TX2 L/R 1915 * (VTXL, VTXR) for uplink has to be enabled/disabled. */ 1916 static void twl4030_voice_enable(struct snd_soc_codec *codec, int direction, 1917 int enable) 1918 { 1919 u8 reg, mask; 1920 1921 reg = twl4030_read(codec, TWL4030_REG_OPTION); 1922 1923 if (direction == SNDRV_PCM_STREAM_PLAYBACK) 1924 mask = TWL4030_ARXL1_VRX_EN; 1925 else 1926 mask = TWL4030_ATXL2_VTXL_EN | TWL4030_ATXR2_VTXR_EN; 1927 1928 if (enable) 1929 reg |= mask; 1930 else 1931 reg &= ~mask; 1932 1933 twl4030_write(codec, TWL4030_REG_OPTION, reg); 1934 } 1935 1936 static int twl4030_voice_startup(struct snd_pcm_substream *substream, 1937 struct snd_soc_dai *dai) 1938 { 1939 struct snd_soc_codec *codec = dai->codec; 1940 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 1941 u8 mode; 1942 1943 /* If the system master clock is not 26MHz, the voice PCM interface is 1944 * not available. 1945 */ 1946 if (twl4030->sysclk != 26000) { 1947 dev_err(codec->dev, 1948 "%s: HFCLKIN is %u KHz, voice interface needs 26MHz\n", 1949 __func__, twl4030->sysclk); 1950 return -EINVAL; 1951 } 1952 1953 /* If the codec mode is not option2, the voice PCM interface is not 1954 * available. 1955 */ 1956 mode = twl4030_read(codec, TWL4030_REG_CODEC_MODE) 1957 & TWL4030_OPT_MODE; 1958 1959 if (mode != TWL4030_OPTION_2) { 1960 dev_err(codec->dev, "%s: the codec mode is not option2\n", 1961 __func__); 1962 return -EINVAL; 1963 } 1964 1965 return 0; 1966 } 1967 1968 static void twl4030_voice_shutdown(struct snd_pcm_substream *substream, 1969 struct snd_soc_dai *dai) 1970 { 1971 struct snd_soc_codec *codec = dai->codec; 1972 1973 /* Enable voice digital filters */ 1974 twl4030_voice_enable(codec, substream->stream, 0); 1975 } 1976 1977 static int twl4030_voice_hw_params(struct snd_pcm_substream *substream, 1978 struct snd_pcm_hw_params *params, 1979 struct snd_soc_dai *dai) 1980 { 1981 struct snd_soc_codec *codec = dai->codec; 1982 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 1983 u8 old_mode, mode; 1984 1985 /* Enable voice digital filters */ 1986 twl4030_voice_enable(codec, substream->stream, 1); 1987 1988 /* bit rate */ 1989 old_mode = twl4030_read(codec, 1990 TWL4030_REG_CODEC_MODE) & ~TWL4030_CODECPDZ; 1991 mode = old_mode; 1992 1993 switch (params_rate(params)) { 1994 case 8000: 1995 mode &= ~(TWL4030_SEL_16K); 1996 break; 1997 case 16000: 1998 mode |= TWL4030_SEL_16K; 1999 break; 2000 default: 2001 dev_err(codec->dev, "%s: unknown rate %d\n", __func__, 2002 params_rate(params)); 2003 return -EINVAL; 2004 } 2005 2006 if (mode != old_mode) { 2007 if (twl4030->codec_powered) { 2008 /* 2009 * If the codec is powered, than we need to toggle the 2010 * codec power. 2011 */ 2012 twl4030_codec_enable(codec, 0); 2013 twl4030_write(codec, TWL4030_REG_CODEC_MODE, mode); 2014 twl4030_codec_enable(codec, 1); 2015 } else { 2016 twl4030_write(codec, TWL4030_REG_CODEC_MODE, mode); 2017 } 2018 } 2019 2020 return 0; 2021 } 2022 2023 static int twl4030_voice_set_dai_sysclk(struct snd_soc_dai *codec_dai, 2024 int clk_id, unsigned int freq, int dir) 2025 { 2026 struct snd_soc_codec *codec = codec_dai->codec; 2027 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 2028 2029 if (freq != 26000000) { 2030 dev_err(codec->dev, 2031 "%s: HFCLKIN is %u KHz, voice interface needs 26MHz\n", 2032 __func__, freq / 1000); 2033 return -EINVAL; 2034 } 2035 if ((freq / 1000) != twl4030->sysclk) { 2036 dev_err(codec->dev, 2037 "Mismatch in HFCLKIN: %u (configured: %u)\n", 2038 freq, twl4030->sysclk * 1000); 2039 return -EINVAL; 2040 } 2041 return 0; 2042 } 2043 2044 static int twl4030_voice_set_dai_fmt(struct snd_soc_dai *codec_dai, 2045 unsigned int fmt) 2046 { 2047 struct snd_soc_codec *codec = codec_dai->codec; 2048 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 2049 u8 old_format, format; 2050 2051 /* get format */ 2052 old_format = twl4030_read(codec, TWL4030_REG_VOICE_IF); 2053 format = old_format; 2054 2055 /* set master/slave audio interface */ 2056 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { 2057 case SND_SOC_DAIFMT_CBM_CFM: 2058 format &= ~(TWL4030_VIF_SLAVE_EN); 2059 break; 2060 case SND_SOC_DAIFMT_CBS_CFS: 2061 format |= TWL4030_VIF_SLAVE_EN; 2062 break; 2063 default: 2064 return -EINVAL; 2065 } 2066 2067 /* clock inversion */ 2068 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 2069 case SND_SOC_DAIFMT_IB_NF: 2070 format &= ~(TWL4030_VIF_FORMAT); 2071 break; 2072 case SND_SOC_DAIFMT_NB_IF: 2073 format |= TWL4030_VIF_FORMAT; 2074 break; 2075 default: 2076 return -EINVAL; 2077 } 2078 2079 if (format != old_format) { 2080 if (twl4030->codec_powered) { 2081 /* 2082 * If the codec is powered, than we need to toggle the 2083 * codec power. 2084 */ 2085 twl4030_codec_enable(codec, 0); 2086 twl4030_write(codec, TWL4030_REG_VOICE_IF, format); 2087 twl4030_codec_enable(codec, 1); 2088 } else { 2089 twl4030_write(codec, TWL4030_REG_VOICE_IF, format); 2090 } 2091 } 2092 2093 return 0; 2094 } 2095 2096 static int twl4030_voice_set_tristate(struct snd_soc_dai *dai, int tristate) 2097 { 2098 struct snd_soc_codec *codec = dai->codec; 2099 u8 reg = twl4030_read(codec, TWL4030_REG_VOICE_IF); 2100 2101 if (tristate) 2102 reg |= TWL4030_VIF_TRI_EN; 2103 else 2104 reg &= ~TWL4030_VIF_TRI_EN; 2105 2106 return twl4030_write(codec, TWL4030_REG_VOICE_IF, reg); 2107 } 2108 2109 #define TWL4030_RATES (SNDRV_PCM_RATE_8000_48000) 2110 #define TWL4030_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE) 2111 2112 static const struct snd_soc_dai_ops twl4030_dai_hifi_ops = { 2113 .startup = twl4030_startup, 2114 .shutdown = twl4030_shutdown, 2115 .hw_params = twl4030_hw_params, 2116 .set_sysclk = twl4030_set_dai_sysclk, 2117 .set_fmt = twl4030_set_dai_fmt, 2118 .set_tristate = twl4030_set_tristate, 2119 }; 2120 2121 static const struct snd_soc_dai_ops twl4030_dai_voice_ops = { 2122 .startup = twl4030_voice_startup, 2123 .shutdown = twl4030_voice_shutdown, 2124 .hw_params = twl4030_voice_hw_params, 2125 .set_sysclk = twl4030_voice_set_dai_sysclk, 2126 .set_fmt = twl4030_voice_set_dai_fmt, 2127 .set_tristate = twl4030_voice_set_tristate, 2128 }; 2129 2130 static struct snd_soc_dai_driver twl4030_dai[] = { 2131 { 2132 .name = "twl4030-hifi", 2133 .playback = { 2134 .stream_name = "HiFi Playback", 2135 .channels_min = 2, 2136 .channels_max = 4, 2137 .rates = TWL4030_RATES | SNDRV_PCM_RATE_96000, 2138 .formats = TWL4030_FORMATS, 2139 .sig_bits = 24,}, 2140 .capture = { 2141 .stream_name = "HiFi Capture", 2142 .channels_min = 2, 2143 .channels_max = 4, 2144 .rates = TWL4030_RATES, 2145 .formats = TWL4030_FORMATS, 2146 .sig_bits = 24,}, 2147 .ops = &twl4030_dai_hifi_ops, 2148 }, 2149 { 2150 .name = "twl4030-voice", 2151 .playback = { 2152 .stream_name = "Voice Playback", 2153 .channels_min = 1, 2154 .channels_max = 1, 2155 .rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000, 2156 .formats = SNDRV_PCM_FMTBIT_S16_LE,}, 2157 .capture = { 2158 .stream_name = "Voice Capture", 2159 .channels_min = 1, 2160 .channels_max = 2, 2161 .rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000, 2162 .formats = SNDRV_PCM_FMTBIT_S16_LE,}, 2163 .ops = &twl4030_dai_voice_ops, 2164 }, 2165 }; 2166 2167 static int twl4030_soc_probe(struct snd_soc_codec *codec) 2168 { 2169 struct twl4030_priv *twl4030; 2170 2171 twl4030 = devm_kzalloc(codec->dev, sizeof(struct twl4030_priv), 2172 GFP_KERNEL); 2173 if (!twl4030) 2174 return -ENOMEM; 2175 snd_soc_codec_set_drvdata(codec, twl4030); 2176 /* Set the defaults, and power up the codec */ 2177 twl4030->sysclk = twl4030_audio_get_mclk() / 1000; 2178 2179 twl4030_init_chip(codec); 2180 2181 return 0; 2182 } 2183 2184 static int twl4030_soc_remove(struct snd_soc_codec *codec) 2185 { 2186 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 2187 struct twl4030_codec_data *pdata = twl4030->pdata; 2188 2189 if (pdata && pdata->hs_extmute && gpio_is_valid(pdata->hs_extmute_gpio)) 2190 gpio_free(pdata->hs_extmute_gpio); 2191 2192 return 0; 2193 } 2194 2195 static const struct snd_soc_codec_driver soc_codec_dev_twl4030 = { 2196 .probe = twl4030_soc_probe, 2197 .remove = twl4030_soc_remove, 2198 .read = twl4030_read, 2199 .write = twl4030_write, 2200 .set_bias_level = twl4030_set_bias_level, 2201 .idle_bias_off = true, 2202 2203 .component_driver = { 2204 .controls = twl4030_snd_controls, 2205 .num_controls = ARRAY_SIZE(twl4030_snd_controls), 2206 .dapm_widgets = twl4030_dapm_widgets, 2207 .num_dapm_widgets = ARRAY_SIZE(twl4030_dapm_widgets), 2208 .dapm_routes = intercon, 2209 .num_dapm_routes = ARRAY_SIZE(intercon), 2210 }, 2211 }; 2212 2213 static int twl4030_codec_probe(struct platform_device *pdev) 2214 { 2215 return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_twl4030, 2216 twl4030_dai, ARRAY_SIZE(twl4030_dai)); 2217 } 2218 2219 static int twl4030_codec_remove(struct platform_device *pdev) 2220 { 2221 snd_soc_unregister_codec(&pdev->dev); 2222 return 0; 2223 } 2224 2225 MODULE_ALIAS("platform:twl4030-codec"); 2226 2227 static struct platform_driver twl4030_codec_driver = { 2228 .probe = twl4030_codec_probe, 2229 .remove = twl4030_codec_remove, 2230 .driver = { 2231 .name = "twl4030-codec", 2232 }, 2233 }; 2234 2235 module_platform_driver(twl4030_codec_driver); 2236 2237 MODULE_DESCRIPTION("ASoC TWL4030 codec driver"); 2238 MODULE_AUTHOR("Steve Sakoman"); 2239 MODULE_LICENSE("GPL"); 2240