1 /* 2 * ALSA SoC TWL4030 codec driver 3 * 4 * Author: Steve Sakoman, <steve@sakoman.com> 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public License 8 * version 2 as published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope that it will be useful, but 11 * WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 18 * 02110-1301 USA 19 * 20 */ 21 22 #include <linux/module.h> 23 #include <linux/moduleparam.h> 24 #include <linux/init.h> 25 #include <linux/delay.h> 26 #include <linux/pm.h> 27 #include <linux/i2c.h> 28 #include <linux/platform_device.h> 29 #include <linux/of.h> 30 #include <linux/of_gpio.h> 31 #include <linux/i2c/twl.h> 32 #include <linux/slab.h> 33 #include <linux/gpio.h> 34 #include <sound/core.h> 35 #include <sound/pcm.h> 36 #include <sound/pcm_params.h> 37 #include <sound/soc.h> 38 #include <sound/initval.h> 39 #include <sound/tlv.h> 40 41 /* Register descriptions are here */ 42 #include <linux/mfd/twl4030-audio.h> 43 44 /* TWL4030 PMBR1 Register */ 45 #define TWL4030_PMBR1_REG 0x0D 46 /* TWL4030 PMBR1 Register GPIO6 mux bits */ 47 #define TWL4030_GPIO6_PWM0_MUTE(value) ((value & 0x03) << 2) 48 49 #define TWL4030_CACHEREGNUM (TWL4030_REG_MISC_SET_2 + 1) 50 51 /* codec private data */ 52 struct twl4030_priv { 53 unsigned int codec_powered; 54 55 /* reference counts of AIF/APLL users */ 56 unsigned int apll_enabled; 57 58 struct snd_pcm_substream *master_substream; 59 struct snd_pcm_substream *slave_substream; 60 61 unsigned int configured; 62 unsigned int rate; 63 unsigned int sample_bits; 64 unsigned int channels; 65 66 unsigned int sysclk; 67 68 /* Output (with associated amp) states */ 69 u8 hsl_enabled, hsr_enabled; 70 u8 earpiece_enabled; 71 u8 predrivel_enabled, predriver_enabled; 72 u8 carkitl_enabled, carkitr_enabled; 73 u8 ctl_cache[TWL4030_REG_PRECKR_CTL - TWL4030_REG_EAR_CTL + 1]; 74 75 struct twl4030_codec_data *pdata; 76 }; 77 78 static void tw4030_init_ctl_cache(struct twl4030_priv *twl4030) 79 { 80 int i; 81 u8 byte; 82 83 for (i = TWL4030_REG_EAR_CTL; i <= TWL4030_REG_PRECKR_CTL; i++) { 84 twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &byte, i); 85 twl4030->ctl_cache[i - TWL4030_REG_EAR_CTL] = byte; 86 } 87 } 88 89 static unsigned int twl4030_read(struct snd_soc_codec *codec, unsigned int reg) 90 { 91 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 92 u8 value = 0; 93 94 if (reg >= TWL4030_CACHEREGNUM) 95 return -EIO; 96 97 switch (reg) { 98 case TWL4030_REG_EAR_CTL: 99 case TWL4030_REG_PREDL_CTL: 100 case TWL4030_REG_PREDR_CTL: 101 case TWL4030_REG_PRECKL_CTL: 102 case TWL4030_REG_PRECKR_CTL: 103 case TWL4030_REG_HS_GAIN_SET: 104 value = twl4030->ctl_cache[reg - TWL4030_REG_EAR_CTL]; 105 break; 106 default: 107 twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &value, reg); 108 break; 109 } 110 111 return value; 112 } 113 114 static bool twl4030_can_write_to_chip(struct twl4030_priv *twl4030, 115 unsigned int reg) 116 { 117 bool write_to_reg = false; 118 119 /* Decide if the given register can be written */ 120 switch (reg) { 121 case TWL4030_REG_EAR_CTL: 122 if (twl4030->earpiece_enabled) 123 write_to_reg = true; 124 break; 125 case TWL4030_REG_PREDL_CTL: 126 if (twl4030->predrivel_enabled) 127 write_to_reg = true; 128 break; 129 case TWL4030_REG_PREDR_CTL: 130 if (twl4030->predriver_enabled) 131 write_to_reg = true; 132 break; 133 case TWL4030_REG_PRECKL_CTL: 134 if (twl4030->carkitl_enabled) 135 write_to_reg = true; 136 break; 137 case TWL4030_REG_PRECKR_CTL: 138 if (twl4030->carkitr_enabled) 139 write_to_reg = true; 140 break; 141 case TWL4030_REG_HS_GAIN_SET: 142 if (twl4030->hsl_enabled || twl4030->hsr_enabled) 143 write_to_reg = true; 144 break; 145 default: 146 /* All other register can be written */ 147 write_to_reg = true; 148 break; 149 } 150 151 return write_to_reg; 152 } 153 154 static int twl4030_write(struct snd_soc_codec *codec, unsigned int reg, 155 unsigned int value) 156 { 157 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 158 159 /* Update the ctl cache */ 160 switch (reg) { 161 case TWL4030_REG_EAR_CTL: 162 case TWL4030_REG_PREDL_CTL: 163 case TWL4030_REG_PREDR_CTL: 164 case TWL4030_REG_PRECKL_CTL: 165 case TWL4030_REG_PRECKR_CTL: 166 case TWL4030_REG_HS_GAIN_SET: 167 twl4030->ctl_cache[reg - TWL4030_REG_EAR_CTL] = value; 168 break; 169 default: 170 break; 171 } 172 173 if (twl4030_can_write_to_chip(twl4030, reg)) 174 return twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, value, reg); 175 176 return 0; 177 } 178 179 static inline void twl4030_wait_ms(int time) 180 { 181 if (time < 60) { 182 time *= 1000; 183 usleep_range(time, time + 500); 184 } else { 185 msleep(time); 186 } 187 } 188 189 static void twl4030_codec_enable(struct snd_soc_codec *codec, int enable) 190 { 191 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 192 int mode; 193 194 if (enable == twl4030->codec_powered) 195 return; 196 197 if (enable) 198 mode = twl4030_audio_enable_resource(TWL4030_AUDIO_RES_POWER); 199 else 200 mode = twl4030_audio_disable_resource(TWL4030_AUDIO_RES_POWER); 201 202 if (mode >= 0) 203 twl4030->codec_powered = enable; 204 205 /* REVISIT: this delay is present in TI sample drivers */ 206 /* but there seems to be no TRM requirement for it */ 207 udelay(10); 208 } 209 210 static void twl4030_setup_pdata_of(struct twl4030_codec_data *pdata, 211 struct device_node *node) 212 { 213 int value; 214 215 of_property_read_u32(node, "ti,digimic_delay", 216 &pdata->digimic_delay); 217 of_property_read_u32(node, "ti,ramp_delay_value", 218 &pdata->ramp_delay_value); 219 of_property_read_u32(node, "ti,offset_cncl_path", 220 &pdata->offset_cncl_path); 221 if (!of_property_read_u32(node, "ti,hs_extmute", &value)) 222 pdata->hs_extmute = value; 223 224 pdata->hs_extmute_gpio = of_get_named_gpio(node, 225 "ti,hs_extmute_gpio", 0); 226 if (gpio_is_valid(pdata->hs_extmute_gpio)) 227 pdata->hs_extmute = 1; 228 } 229 230 static struct twl4030_codec_data *twl4030_get_pdata(struct snd_soc_codec *codec) 231 { 232 struct twl4030_codec_data *pdata = dev_get_platdata(codec->dev); 233 struct device_node *twl4030_codec_node = NULL; 234 235 twl4030_codec_node = of_find_node_by_name(codec->dev->parent->of_node, 236 "codec"); 237 238 if (!pdata && twl4030_codec_node) { 239 pdata = devm_kzalloc(codec->dev, 240 sizeof(struct twl4030_codec_data), 241 GFP_KERNEL); 242 if (!pdata) { 243 dev_err(codec->dev, "Can not allocate memory\n"); 244 return NULL; 245 } 246 twl4030_setup_pdata_of(pdata, twl4030_codec_node); 247 } 248 249 return pdata; 250 } 251 252 static void twl4030_init_chip(struct snd_soc_codec *codec) 253 { 254 struct twl4030_codec_data *pdata; 255 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 256 u8 reg, byte; 257 int i = 0; 258 259 pdata = twl4030_get_pdata(codec); 260 261 if (pdata && pdata->hs_extmute) { 262 if (gpio_is_valid(pdata->hs_extmute_gpio)) { 263 int ret; 264 265 if (!pdata->hs_extmute_gpio) 266 dev_warn(codec->dev, 267 "Extmute GPIO is 0 is this correct?\n"); 268 269 ret = gpio_request_one(pdata->hs_extmute_gpio, 270 GPIOF_OUT_INIT_LOW, 271 "hs_extmute"); 272 if (ret) { 273 dev_err(codec->dev, 274 "Failed to get hs_extmute GPIO\n"); 275 pdata->hs_extmute_gpio = -1; 276 } 277 } else { 278 u8 pin_mux; 279 280 /* Set TWL4030 GPIO6 as EXTMUTE signal */ 281 twl_i2c_read_u8(TWL4030_MODULE_INTBR, &pin_mux, 282 TWL4030_PMBR1_REG); 283 pin_mux &= ~TWL4030_GPIO6_PWM0_MUTE(0x03); 284 pin_mux |= TWL4030_GPIO6_PWM0_MUTE(0x02); 285 twl_i2c_write_u8(TWL4030_MODULE_INTBR, pin_mux, 286 TWL4030_PMBR1_REG); 287 } 288 } 289 290 /* Initialize the local ctl register cache */ 291 tw4030_init_ctl_cache(twl4030); 292 293 /* anti-pop when changing analog gain */ 294 reg = twl4030_read(codec, TWL4030_REG_MISC_SET_1); 295 twl4030_write(codec, TWL4030_REG_MISC_SET_1, 296 reg | TWL4030_SMOOTH_ANAVOL_EN); 297 298 twl4030_write(codec, TWL4030_REG_OPTION, 299 TWL4030_ATXL1_EN | TWL4030_ATXR1_EN | 300 TWL4030_ARXL2_EN | TWL4030_ARXR2_EN); 301 302 /* REG_ARXR2_APGA_CTL reset according to the TRM: 0dB, DA_EN */ 303 twl4030_write(codec, TWL4030_REG_ARXR2_APGA_CTL, 0x32); 304 305 /* Machine dependent setup */ 306 if (!pdata) 307 return; 308 309 twl4030->pdata = pdata; 310 311 reg = twl4030_read(codec, TWL4030_REG_HS_POPN_SET); 312 reg &= ~TWL4030_RAMP_DELAY; 313 reg |= (pdata->ramp_delay_value << 2); 314 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, reg); 315 316 /* initiate offset cancellation */ 317 twl4030_codec_enable(codec, 1); 318 319 reg = twl4030_read(codec, TWL4030_REG_ANAMICL); 320 reg &= ~TWL4030_OFFSET_CNCL_SEL; 321 reg |= pdata->offset_cncl_path; 322 twl4030_write(codec, TWL4030_REG_ANAMICL, 323 reg | TWL4030_CNCL_OFFSET_START); 324 325 /* 326 * Wait for offset cancellation to complete. 327 * Since this takes a while, do not slam the i2c. 328 * Start polling the status after ~20ms. 329 */ 330 msleep(20); 331 do { 332 usleep_range(1000, 2000); 333 twl_set_regcache_bypass(TWL4030_MODULE_AUDIO_VOICE, true); 334 twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &byte, 335 TWL4030_REG_ANAMICL); 336 twl_set_regcache_bypass(TWL4030_MODULE_AUDIO_VOICE, false); 337 } while ((i++ < 100) && 338 ((byte & TWL4030_CNCL_OFFSET_START) == 339 TWL4030_CNCL_OFFSET_START)); 340 341 twl4030_codec_enable(codec, 0); 342 } 343 344 static void twl4030_apll_enable(struct snd_soc_codec *codec, int enable) 345 { 346 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 347 int status = -1; 348 349 if (enable) { 350 twl4030->apll_enabled++; 351 if (twl4030->apll_enabled == 1) 352 status = twl4030_audio_enable_resource( 353 TWL4030_AUDIO_RES_APLL); 354 } else { 355 twl4030->apll_enabled--; 356 if (!twl4030->apll_enabled) 357 status = twl4030_audio_disable_resource( 358 TWL4030_AUDIO_RES_APLL); 359 } 360 } 361 362 /* Earpiece */ 363 static const struct snd_kcontrol_new twl4030_dapm_earpiece_controls[] = { 364 SOC_DAPM_SINGLE("Voice", TWL4030_REG_EAR_CTL, 0, 1, 0), 365 SOC_DAPM_SINGLE("AudioL1", TWL4030_REG_EAR_CTL, 1, 1, 0), 366 SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_EAR_CTL, 2, 1, 0), 367 SOC_DAPM_SINGLE("AudioR1", TWL4030_REG_EAR_CTL, 3, 1, 0), 368 }; 369 370 /* PreDrive Left */ 371 static const struct snd_kcontrol_new twl4030_dapm_predrivel_controls[] = { 372 SOC_DAPM_SINGLE("Voice", TWL4030_REG_PREDL_CTL, 0, 1, 0), 373 SOC_DAPM_SINGLE("AudioL1", TWL4030_REG_PREDL_CTL, 1, 1, 0), 374 SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_PREDL_CTL, 2, 1, 0), 375 SOC_DAPM_SINGLE("AudioR2", TWL4030_REG_PREDL_CTL, 3, 1, 0), 376 }; 377 378 /* PreDrive Right */ 379 static const struct snd_kcontrol_new twl4030_dapm_predriver_controls[] = { 380 SOC_DAPM_SINGLE("Voice", TWL4030_REG_PREDR_CTL, 0, 1, 0), 381 SOC_DAPM_SINGLE("AudioR1", TWL4030_REG_PREDR_CTL, 1, 1, 0), 382 SOC_DAPM_SINGLE("AudioR2", TWL4030_REG_PREDR_CTL, 2, 1, 0), 383 SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_PREDR_CTL, 3, 1, 0), 384 }; 385 386 /* Headset Left */ 387 static const struct snd_kcontrol_new twl4030_dapm_hsol_controls[] = { 388 SOC_DAPM_SINGLE("Voice", TWL4030_REG_HS_SEL, 0, 1, 0), 389 SOC_DAPM_SINGLE("AudioL1", TWL4030_REG_HS_SEL, 1, 1, 0), 390 SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_HS_SEL, 2, 1, 0), 391 }; 392 393 /* Headset Right */ 394 static const struct snd_kcontrol_new twl4030_dapm_hsor_controls[] = { 395 SOC_DAPM_SINGLE("Voice", TWL4030_REG_HS_SEL, 3, 1, 0), 396 SOC_DAPM_SINGLE("AudioR1", TWL4030_REG_HS_SEL, 4, 1, 0), 397 SOC_DAPM_SINGLE("AudioR2", TWL4030_REG_HS_SEL, 5, 1, 0), 398 }; 399 400 /* Carkit Left */ 401 static const struct snd_kcontrol_new twl4030_dapm_carkitl_controls[] = { 402 SOC_DAPM_SINGLE("Voice", TWL4030_REG_PRECKL_CTL, 0, 1, 0), 403 SOC_DAPM_SINGLE("AudioL1", TWL4030_REG_PRECKL_CTL, 1, 1, 0), 404 SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_PRECKL_CTL, 2, 1, 0), 405 }; 406 407 /* Carkit Right */ 408 static const struct snd_kcontrol_new twl4030_dapm_carkitr_controls[] = { 409 SOC_DAPM_SINGLE("Voice", TWL4030_REG_PRECKR_CTL, 0, 1, 0), 410 SOC_DAPM_SINGLE("AudioR1", TWL4030_REG_PRECKR_CTL, 1, 1, 0), 411 SOC_DAPM_SINGLE("AudioR2", TWL4030_REG_PRECKR_CTL, 2, 1, 0), 412 }; 413 414 /* Handsfree Left */ 415 static const char *twl4030_handsfreel_texts[] = 416 {"Voice", "AudioL1", "AudioL2", "AudioR2"}; 417 418 static const struct soc_enum twl4030_handsfreel_enum = 419 SOC_ENUM_SINGLE(TWL4030_REG_HFL_CTL, 0, 420 ARRAY_SIZE(twl4030_handsfreel_texts), 421 twl4030_handsfreel_texts); 422 423 static const struct snd_kcontrol_new twl4030_dapm_handsfreel_control = 424 SOC_DAPM_ENUM("Route", twl4030_handsfreel_enum); 425 426 /* Handsfree Left virtual mute */ 427 static const struct snd_kcontrol_new twl4030_dapm_handsfreelmute_control = 428 SOC_DAPM_SINGLE_VIRT("Switch", 1); 429 430 /* Handsfree Right */ 431 static const char *twl4030_handsfreer_texts[] = 432 {"Voice", "AudioR1", "AudioR2", "AudioL2"}; 433 434 static const struct soc_enum twl4030_handsfreer_enum = 435 SOC_ENUM_SINGLE(TWL4030_REG_HFR_CTL, 0, 436 ARRAY_SIZE(twl4030_handsfreer_texts), 437 twl4030_handsfreer_texts); 438 439 static const struct snd_kcontrol_new twl4030_dapm_handsfreer_control = 440 SOC_DAPM_ENUM("Route", twl4030_handsfreer_enum); 441 442 /* Handsfree Right virtual mute */ 443 static const struct snd_kcontrol_new twl4030_dapm_handsfreermute_control = 444 SOC_DAPM_SINGLE_VIRT("Switch", 1); 445 446 /* Vibra */ 447 /* Vibra audio path selection */ 448 static const char *twl4030_vibra_texts[] = 449 {"AudioL1", "AudioR1", "AudioL2", "AudioR2"}; 450 451 static const struct soc_enum twl4030_vibra_enum = 452 SOC_ENUM_SINGLE(TWL4030_REG_VIBRA_CTL, 2, 453 ARRAY_SIZE(twl4030_vibra_texts), 454 twl4030_vibra_texts); 455 456 static const struct snd_kcontrol_new twl4030_dapm_vibra_control = 457 SOC_DAPM_ENUM("Route", twl4030_vibra_enum); 458 459 /* Vibra path selection: local vibrator (PWM) or audio driven */ 460 static const char *twl4030_vibrapath_texts[] = 461 {"Local vibrator", "Audio"}; 462 463 static const struct soc_enum twl4030_vibrapath_enum = 464 SOC_ENUM_SINGLE(TWL4030_REG_VIBRA_CTL, 4, 465 ARRAY_SIZE(twl4030_vibrapath_texts), 466 twl4030_vibrapath_texts); 467 468 static const struct snd_kcontrol_new twl4030_dapm_vibrapath_control = 469 SOC_DAPM_ENUM("Route", twl4030_vibrapath_enum); 470 471 /* Left analog microphone selection */ 472 static const struct snd_kcontrol_new twl4030_dapm_analoglmic_controls[] = { 473 SOC_DAPM_SINGLE("Main Mic Capture Switch", 474 TWL4030_REG_ANAMICL, 0, 1, 0), 475 SOC_DAPM_SINGLE("Headset Mic Capture Switch", 476 TWL4030_REG_ANAMICL, 1, 1, 0), 477 SOC_DAPM_SINGLE("AUXL Capture Switch", 478 TWL4030_REG_ANAMICL, 2, 1, 0), 479 SOC_DAPM_SINGLE("Carkit Mic Capture Switch", 480 TWL4030_REG_ANAMICL, 3, 1, 0), 481 }; 482 483 /* Right analog microphone selection */ 484 static const struct snd_kcontrol_new twl4030_dapm_analogrmic_controls[] = { 485 SOC_DAPM_SINGLE("Sub Mic Capture Switch", TWL4030_REG_ANAMICR, 0, 1, 0), 486 SOC_DAPM_SINGLE("AUXR Capture Switch", TWL4030_REG_ANAMICR, 2, 1, 0), 487 }; 488 489 /* TX1 L/R Analog/Digital microphone selection */ 490 static const char *twl4030_micpathtx1_texts[] = 491 {"Analog", "Digimic0"}; 492 493 static const struct soc_enum twl4030_micpathtx1_enum = 494 SOC_ENUM_SINGLE(TWL4030_REG_ADCMICSEL, 0, 495 ARRAY_SIZE(twl4030_micpathtx1_texts), 496 twl4030_micpathtx1_texts); 497 498 static const struct snd_kcontrol_new twl4030_dapm_micpathtx1_control = 499 SOC_DAPM_ENUM("Route", twl4030_micpathtx1_enum); 500 501 /* TX2 L/R Analog/Digital microphone selection */ 502 static const char *twl4030_micpathtx2_texts[] = 503 {"Analog", "Digimic1"}; 504 505 static const struct soc_enum twl4030_micpathtx2_enum = 506 SOC_ENUM_SINGLE(TWL4030_REG_ADCMICSEL, 2, 507 ARRAY_SIZE(twl4030_micpathtx2_texts), 508 twl4030_micpathtx2_texts); 509 510 static const struct snd_kcontrol_new twl4030_dapm_micpathtx2_control = 511 SOC_DAPM_ENUM("Route", twl4030_micpathtx2_enum); 512 513 /* Analog bypass for AudioR1 */ 514 static const struct snd_kcontrol_new twl4030_dapm_abypassr1_control = 515 SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXR1_APGA_CTL, 2, 1, 0); 516 517 /* Analog bypass for AudioL1 */ 518 static const struct snd_kcontrol_new twl4030_dapm_abypassl1_control = 519 SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXL1_APGA_CTL, 2, 1, 0); 520 521 /* Analog bypass for AudioR2 */ 522 static const struct snd_kcontrol_new twl4030_dapm_abypassr2_control = 523 SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXR2_APGA_CTL, 2, 1, 0); 524 525 /* Analog bypass for AudioL2 */ 526 static const struct snd_kcontrol_new twl4030_dapm_abypassl2_control = 527 SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXL2_APGA_CTL, 2, 1, 0); 528 529 /* Analog bypass for Voice */ 530 static const struct snd_kcontrol_new twl4030_dapm_abypassv_control = 531 SOC_DAPM_SINGLE("Switch", TWL4030_REG_VDL_APGA_CTL, 2, 1, 0); 532 533 /* Digital bypass gain, mute instead of -30dB */ 534 static const unsigned int twl4030_dapm_dbypass_tlv[] = { 535 TLV_DB_RANGE_HEAD(3), 536 0, 1, TLV_DB_SCALE_ITEM(-3000, 600, 1), 537 2, 3, TLV_DB_SCALE_ITEM(-2400, 0, 0), 538 4, 7, TLV_DB_SCALE_ITEM(-1800, 600, 0), 539 }; 540 541 /* Digital bypass left (TX1L -> RX2L) */ 542 static const struct snd_kcontrol_new twl4030_dapm_dbypassl_control = 543 SOC_DAPM_SINGLE_TLV("Volume", 544 TWL4030_REG_ATX2ARXPGA, 3, 7, 0, 545 twl4030_dapm_dbypass_tlv); 546 547 /* Digital bypass right (TX1R -> RX2R) */ 548 static const struct snd_kcontrol_new twl4030_dapm_dbypassr_control = 549 SOC_DAPM_SINGLE_TLV("Volume", 550 TWL4030_REG_ATX2ARXPGA, 0, 7, 0, 551 twl4030_dapm_dbypass_tlv); 552 553 /* 554 * Voice Sidetone GAIN volume control: 555 * from -51 to -10 dB in 1 dB steps (mute instead of -51 dB) 556 */ 557 static DECLARE_TLV_DB_SCALE(twl4030_dapm_dbypassv_tlv, -5100, 100, 1); 558 559 /* Digital bypass voice: sidetone (VUL -> VDL)*/ 560 static const struct snd_kcontrol_new twl4030_dapm_dbypassv_control = 561 SOC_DAPM_SINGLE_TLV("Volume", 562 TWL4030_REG_VSTPGA, 0, 0x29, 0, 563 twl4030_dapm_dbypassv_tlv); 564 565 /* 566 * Output PGA builder: 567 * Handle the muting and unmuting of the given output (turning off the 568 * amplifier associated with the output pin) 569 * On mute bypass the reg_cache and write 0 to the register 570 * On unmute: restore the register content from the reg_cache 571 * Outputs handled in this way: Earpiece, PreDrivL/R, CarkitL/R 572 */ 573 #define TWL4030_OUTPUT_PGA(pin_name, reg, mask) \ 574 static int pin_name##pga_event(struct snd_soc_dapm_widget *w, \ 575 struct snd_kcontrol *kcontrol, int event) \ 576 { \ 577 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(w->codec); \ 578 \ 579 switch (event) { \ 580 case SND_SOC_DAPM_POST_PMU: \ 581 twl4030->pin_name##_enabled = 1; \ 582 twl4030_write(w->codec, reg, twl4030_read(w->codec, reg)); \ 583 break; \ 584 case SND_SOC_DAPM_POST_PMD: \ 585 twl4030->pin_name##_enabled = 0; \ 586 twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, 0, reg); \ 587 break; \ 588 } \ 589 return 0; \ 590 } 591 592 TWL4030_OUTPUT_PGA(earpiece, TWL4030_REG_EAR_CTL, TWL4030_EAR_GAIN); 593 TWL4030_OUTPUT_PGA(predrivel, TWL4030_REG_PREDL_CTL, TWL4030_PREDL_GAIN); 594 TWL4030_OUTPUT_PGA(predriver, TWL4030_REG_PREDR_CTL, TWL4030_PREDR_GAIN); 595 TWL4030_OUTPUT_PGA(carkitl, TWL4030_REG_PRECKL_CTL, TWL4030_PRECKL_GAIN); 596 TWL4030_OUTPUT_PGA(carkitr, TWL4030_REG_PRECKR_CTL, TWL4030_PRECKR_GAIN); 597 598 static void handsfree_ramp(struct snd_soc_codec *codec, int reg, int ramp) 599 { 600 unsigned char hs_ctl; 601 602 hs_ctl = twl4030_read(codec, reg); 603 604 if (ramp) { 605 /* HF ramp-up */ 606 hs_ctl |= TWL4030_HF_CTL_REF_EN; 607 twl4030_write(codec, reg, hs_ctl); 608 udelay(10); 609 hs_ctl |= TWL4030_HF_CTL_RAMP_EN; 610 twl4030_write(codec, reg, hs_ctl); 611 udelay(40); 612 hs_ctl |= TWL4030_HF_CTL_LOOP_EN; 613 hs_ctl |= TWL4030_HF_CTL_HB_EN; 614 twl4030_write(codec, reg, hs_ctl); 615 } else { 616 /* HF ramp-down */ 617 hs_ctl &= ~TWL4030_HF_CTL_LOOP_EN; 618 hs_ctl &= ~TWL4030_HF_CTL_HB_EN; 619 twl4030_write(codec, reg, hs_ctl); 620 hs_ctl &= ~TWL4030_HF_CTL_RAMP_EN; 621 twl4030_write(codec, reg, hs_ctl); 622 udelay(40); 623 hs_ctl &= ~TWL4030_HF_CTL_REF_EN; 624 twl4030_write(codec, reg, hs_ctl); 625 } 626 } 627 628 static int handsfreelpga_event(struct snd_soc_dapm_widget *w, 629 struct snd_kcontrol *kcontrol, int event) 630 { 631 switch (event) { 632 case SND_SOC_DAPM_POST_PMU: 633 handsfree_ramp(w->codec, TWL4030_REG_HFL_CTL, 1); 634 break; 635 case SND_SOC_DAPM_POST_PMD: 636 handsfree_ramp(w->codec, TWL4030_REG_HFL_CTL, 0); 637 break; 638 } 639 return 0; 640 } 641 642 static int handsfreerpga_event(struct snd_soc_dapm_widget *w, 643 struct snd_kcontrol *kcontrol, int event) 644 { 645 switch (event) { 646 case SND_SOC_DAPM_POST_PMU: 647 handsfree_ramp(w->codec, TWL4030_REG_HFR_CTL, 1); 648 break; 649 case SND_SOC_DAPM_POST_PMD: 650 handsfree_ramp(w->codec, TWL4030_REG_HFR_CTL, 0); 651 break; 652 } 653 return 0; 654 } 655 656 static int vibramux_event(struct snd_soc_dapm_widget *w, 657 struct snd_kcontrol *kcontrol, int event) 658 { 659 twl4030_write(w->codec, TWL4030_REG_VIBRA_SET, 0xff); 660 return 0; 661 } 662 663 static int apll_event(struct snd_soc_dapm_widget *w, 664 struct snd_kcontrol *kcontrol, int event) 665 { 666 switch (event) { 667 case SND_SOC_DAPM_PRE_PMU: 668 twl4030_apll_enable(w->codec, 1); 669 break; 670 case SND_SOC_DAPM_POST_PMD: 671 twl4030_apll_enable(w->codec, 0); 672 break; 673 } 674 return 0; 675 } 676 677 static int aif_event(struct snd_soc_dapm_widget *w, 678 struct snd_kcontrol *kcontrol, int event) 679 { 680 u8 audio_if; 681 682 audio_if = twl4030_read(w->codec, TWL4030_REG_AUDIO_IF); 683 switch (event) { 684 case SND_SOC_DAPM_PRE_PMU: 685 /* Enable AIF */ 686 /* enable the PLL before we use it to clock the DAI */ 687 twl4030_apll_enable(w->codec, 1); 688 689 twl4030_write(w->codec, TWL4030_REG_AUDIO_IF, 690 audio_if | TWL4030_AIF_EN); 691 break; 692 case SND_SOC_DAPM_POST_PMD: 693 /* disable the DAI before we stop it's source PLL */ 694 twl4030_write(w->codec, TWL4030_REG_AUDIO_IF, 695 audio_if & ~TWL4030_AIF_EN); 696 twl4030_apll_enable(w->codec, 0); 697 break; 698 } 699 return 0; 700 } 701 702 static void headset_ramp(struct snd_soc_codec *codec, int ramp) 703 { 704 unsigned char hs_gain, hs_pop; 705 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 706 struct twl4030_codec_data *pdata = twl4030->pdata; 707 /* Base values for ramp delay calculation: 2^19 - 2^26 */ 708 unsigned int ramp_base[] = {524288, 1048576, 2097152, 4194304, 709 8388608, 16777216, 33554432, 67108864}; 710 unsigned int delay; 711 712 hs_gain = twl4030_read(codec, TWL4030_REG_HS_GAIN_SET); 713 hs_pop = twl4030_read(codec, TWL4030_REG_HS_POPN_SET); 714 delay = (ramp_base[(hs_pop & TWL4030_RAMP_DELAY) >> 2] / 715 twl4030->sysclk) + 1; 716 717 /* Enable external mute control, this dramatically reduces 718 * the pop-noise */ 719 if (pdata && pdata->hs_extmute) { 720 if (gpio_is_valid(pdata->hs_extmute_gpio)) { 721 gpio_set_value(pdata->hs_extmute_gpio, 1); 722 } else { 723 hs_pop |= TWL4030_EXTMUTE; 724 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop); 725 } 726 } 727 728 if (ramp) { 729 /* Headset ramp-up according to the TRM */ 730 hs_pop |= TWL4030_VMID_EN; 731 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop); 732 /* Actually write to the register */ 733 twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, hs_gain, 734 TWL4030_REG_HS_GAIN_SET); 735 hs_pop |= TWL4030_RAMP_EN; 736 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop); 737 /* Wait ramp delay time + 1, so the VMID can settle */ 738 twl4030_wait_ms(delay); 739 } else { 740 /* Headset ramp-down _not_ according to 741 * the TRM, but in a way that it is working */ 742 hs_pop &= ~TWL4030_RAMP_EN; 743 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop); 744 /* Wait ramp delay time + 1, so the VMID can settle */ 745 twl4030_wait_ms(delay); 746 /* Bypass the reg_cache to mute the headset */ 747 twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, hs_gain & (~0x0f), 748 TWL4030_REG_HS_GAIN_SET); 749 750 hs_pop &= ~TWL4030_VMID_EN; 751 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop); 752 } 753 754 /* Disable external mute */ 755 if (pdata && pdata->hs_extmute) { 756 if (gpio_is_valid(pdata->hs_extmute_gpio)) { 757 gpio_set_value(pdata->hs_extmute_gpio, 0); 758 } else { 759 hs_pop &= ~TWL4030_EXTMUTE; 760 twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop); 761 } 762 } 763 } 764 765 static int headsetlpga_event(struct snd_soc_dapm_widget *w, 766 struct snd_kcontrol *kcontrol, int event) 767 { 768 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(w->codec); 769 770 switch (event) { 771 case SND_SOC_DAPM_POST_PMU: 772 /* Do the ramp-up only once */ 773 if (!twl4030->hsr_enabled) 774 headset_ramp(w->codec, 1); 775 776 twl4030->hsl_enabled = 1; 777 break; 778 case SND_SOC_DAPM_POST_PMD: 779 /* Do the ramp-down only if both headsetL/R is disabled */ 780 if (!twl4030->hsr_enabled) 781 headset_ramp(w->codec, 0); 782 783 twl4030->hsl_enabled = 0; 784 break; 785 } 786 return 0; 787 } 788 789 static int headsetrpga_event(struct snd_soc_dapm_widget *w, 790 struct snd_kcontrol *kcontrol, int event) 791 { 792 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(w->codec); 793 794 switch (event) { 795 case SND_SOC_DAPM_POST_PMU: 796 /* Do the ramp-up only once */ 797 if (!twl4030->hsl_enabled) 798 headset_ramp(w->codec, 1); 799 800 twl4030->hsr_enabled = 1; 801 break; 802 case SND_SOC_DAPM_POST_PMD: 803 /* Do the ramp-down only if both headsetL/R is disabled */ 804 if (!twl4030->hsl_enabled) 805 headset_ramp(w->codec, 0); 806 807 twl4030->hsr_enabled = 0; 808 break; 809 } 810 return 0; 811 } 812 813 static int digimic_event(struct snd_soc_dapm_widget *w, 814 struct snd_kcontrol *kcontrol, int event) 815 { 816 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(w->codec); 817 struct twl4030_codec_data *pdata = twl4030->pdata; 818 819 if (pdata && pdata->digimic_delay) 820 twl4030_wait_ms(pdata->digimic_delay); 821 return 0; 822 } 823 824 /* 825 * Some of the gain controls in TWL (mostly those which are associated with 826 * the outputs) are implemented in an interesting way: 827 * 0x0 : Power down (mute) 828 * 0x1 : 6dB 829 * 0x2 : 0 dB 830 * 0x3 : -6 dB 831 * Inverting not going to help with these. 832 * Custom volsw and volsw_2r get/put functions to handle these gain bits. 833 */ 834 static int snd_soc_get_volsw_twl4030(struct snd_kcontrol *kcontrol, 835 struct snd_ctl_elem_value *ucontrol) 836 { 837 struct soc_mixer_control *mc = 838 (struct soc_mixer_control *)kcontrol->private_value; 839 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 840 unsigned int reg = mc->reg; 841 unsigned int shift = mc->shift; 842 unsigned int rshift = mc->rshift; 843 int max = mc->max; 844 int mask = (1 << fls(max)) - 1; 845 846 ucontrol->value.integer.value[0] = 847 (snd_soc_read(codec, reg) >> shift) & mask; 848 if (ucontrol->value.integer.value[0]) 849 ucontrol->value.integer.value[0] = 850 max + 1 - ucontrol->value.integer.value[0]; 851 852 if (shift != rshift) { 853 ucontrol->value.integer.value[1] = 854 (snd_soc_read(codec, reg) >> rshift) & mask; 855 if (ucontrol->value.integer.value[1]) 856 ucontrol->value.integer.value[1] = 857 max + 1 - ucontrol->value.integer.value[1]; 858 } 859 860 return 0; 861 } 862 863 static int snd_soc_put_volsw_twl4030(struct snd_kcontrol *kcontrol, 864 struct snd_ctl_elem_value *ucontrol) 865 { 866 struct soc_mixer_control *mc = 867 (struct soc_mixer_control *)kcontrol->private_value; 868 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 869 unsigned int reg = mc->reg; 870 unsigned int shift = mc->shift; 871 unsigned int rshift = mc->rshift; 872 int max = mc->max; 873 int mask = (1 << fls(max)) - 1; 874 unsigned short val, val2, val_mask; 875 876 val = (ucontrol->value.integer.value[0] & mask); 877 878 val_mask = mask << shift; 879 if (val) 880 val = max + 1 - val; 881 val = val << shift; 882 if (shift != rshift) { 883 val2 = (ucontrol->value.integer.value[1] & mask); 884 val_mask |= mask << rshift; 885 if (val2) 886 val2 = max + 1 - val2; 887 val |= val2 << rshift; 888 } 889 return snd_soc_update_bits(codec, reg, val_mask, val); 890 } 891 892 static int snd_soc_get_volsw_r2_twl4030(struct snd_kcontrol *kcontrol, 893 struct snd_ctl_elem_value *ucontrol) 894 { 895 struct soc_mixer_control *mc = 896 (struct soc_mixer_control *)kcontrol->private_value; 897 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 898 unsigned int reg = mc->reg; 899 unsigned int reg2 = mc->rreg; 900 unsigned int shift = mc->shift; 901 int max = mc->max; 902 int mask = (1<<fls(max))-1; 903 904 ucontrol->value.integer.value[0] = 905 (snd_soc_read(codec, reg) >> shift) & mask; 906 ucontrol->value.integer.value[1] = 907 (snd_soc_read(codec, reg2) >> shift) & mask; 908 909 if (ucontrol->value.integer.value[0]) 910 ucontrol->value.integer.value[0] = 911 max + 1 - ucontrol->value.integer.value[0]; 912 if (ucontrol->value.integer.value[1]) 913 ucontrol->value.integer.value[1] = 914 max + 1 - ucontrol->value.integer.value[1]; 915 916 return 0; 917 } 918 919 static int snd_soc_put_volsw_r2_twl4030(struct snd_kcontrol *kcontrol, 920 struct snd_ctl_elem_value *ucontrol) 921 { 922 struct soc_mixer_control *mc = 923 (struct soc_mixer_control *)kcontrol->private_value; 924 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 925 unsigned int reg = mc->reg; 926 unsigned int reg2 = mc->rreg; 927 unsigned int shift = mc->shift; 928 int max = mc->max; 929 int mask = (1 << fls(max)) - 1; 930 int err; 931 unsigned short val, val2, val_mask; 932 933 val_mask = mask << shift; 934 val = (ucontrol->value.integer.value[0] & mask); 935 val2 = (ucontrol->value.integer.value[1] & mask); 936 937 if (val) 938 val = max + 1 - val; 939 if (val2) 940 val2 = max + 1 - val2; 941 942 val = val << shift; 943 val2 = val2 << shift; 944 945 err = snd_soc_update_bits(codec, reg, val_mask, val); 946 if (err < 0) 947 return err; 948 949 err = snd_soc_update_bits(codec, reg2, val_mask, val2); 950 return err; 951 } 952 953 /* Codec operation modes */ 954 static const char *twl4030_op_modes_texts[] = { 955 "Option 2 (voice/audio)", "Option 1 (audio)" 956 }; 957 958 static const struct soc_enum twl4030_op_modes_enum = 959 SOC_ENUM_SINGLE(TWL4030_REG_CODEC_MODE, 0, 960 ARRAY_SIZE(twl4030_op_modes_texts), 961 twl4030_op_modes_texts); 962 963 static int snd_soc_put_twl4030_opmode_enum_double(struct snd_kcontrol *kcontrol, 964 struct snd_ctl_elem_value *ucontrol) 965 { 966 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 967 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 968 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; 969 unsigned short val; 970 unsigned short mask; 971 972 if (twl4030->configured) { 973 dev_err(codec->dev, 974 "operation mode cannot be changed on-the-fly\n"); 975 return -EBUSY; 976 } 977 978 if (ucontrol->value.enumerated.item[0] > e->max - 1) 979 return -EINVAL; 980 981 val = ucontrol->value.enumerated.item[0] << e->shift_l; 982 mask = e->mask << e->shift_l; 983 if (e->shift_l != e->shift_r) { 984 if (ucontrol->value.enumerated.item[1] > e->max - 1) 985 return -EINVAL; 986 val |= ucontrol->value.enumerated.item[1] << e->shift_r; 987 mask |= e->mask << e->shift_r; 988 } 989 990 return snd_soc_update_bits(codec, e->reg, mask, val); 991 } 992 993 /* 994 * FGAIN volume control: 995 * from -62 to 0 dB in 1 dB steps (mute instead of -63 dB) 996 */ 997 static DECLARE_TLV_DB_SCALE(digital_fine_tlv, -6300, 100, 1); 998 999 /* 1000 * CGAIN volume control: 1001 * 0 dB to 12 dB in 6 dB steps 1002 * value 2 and 3 means 12 dB 1003 */ 1004 static DECLARE_TLV_DB_SCALE(digital_coarse_tlv, 0, 600, 0); 1005 1006 /* 1007 * Voice Downlink GAIN volume control: 1008 * from -37 to 12 dB in 1 dB steps (mute instead of -37 dB) 1009 */ 1010 static DECLARE_TLV_DB_SCALE(digital_voice_downlink_tlv, -3700, 100, 1); 1011 1012 /* 1013 * Analog playback gain 1014 * -24 dB to 12 dB in 2 dB steps 1015 */ 1016 static DECLARE_TLV_DB_SCALE(analog_tlv, -2400, 200, 0); 1017 1018 /* 1019 * Gain controls tied to outputs 1020 * -6 dB to 6 dB in 6 dB steps (mute instead of -12) 1021 */ 1022 static DECLARE_TLV_DB_SCALE(output_tvl, -1200, 600, 1); 1023 1024 /* 1025 * Gain control for earpiece amplifier 1026 * 0 dB to 12 dB in 6 dB steps (mute instead of -6) 1027 */ 1028 static DECLARE_TLV_DB_SCALE(output_ear_tvl, -600, 600, 1); 1029 1030 /* 1031 * Capture gain after the ADCs 1032 * from 0 dB to 31 dB in 1 dB steps 1033 */ 1034 static DECLARE_TLV_DB_SCALE(digital_capture_tlv, 0, 100, 0); 1035 1036 /* 1037 * Gain control for input amplifiers 1038 * 0 dB to 30 dB in 6 dB steps 1039 */ 1040 static DECLARE_TLV_DB_SCALE(input_gain_tlv, 0, 600, 0); 1041 1042 /* AVADC clock priority */ 1043 static const char *twl4030_avadc_clk_priority_texts[] = { 1044 "Voice high priority", "HiFi high priority" 1045 }; 1046 1047 static const struct soc_enum twl4030_avadc_clk_priority_enum = 1048 SOC_ENUM_SINGLE(TWL4030_REG_AVADC_CTL, 2, 1049 ARRAY_SIZE(twl4030_avadc_clk_priority_texts), 1050 twl4030_avadc_clk_priority_texts); 1051 1052 static const char *twl4030_rampdelay_texts[] = { 1053 "27/20/14 ms", "55/40/27 ms", "109/81/55 ms", "218/161/109 ms", 1054 "437/323/218 ms", "874/645/437 ms", "1748/1291/874 ms", 1055 "3495/2581/1748 ms" 1056 }; 1057 1058 static const struct soc_enum twl4030_rampdelay_enum = 1059 SOC_ENUM_SINGLE(TWL4030_REG_HS_POPN_SET, 2, 1060 ARRAY_SIZE(twl4030_rampdelay_texts), 1061 twl4030_rampdelay_texts); 1062 1063 /* Vibra H-bridge direction mode */ 1064 static const char *twl4030_vibradirmode_texts[] = { 1065 "Vibra H-bridge direction", "Audio data MSB", 1066 }; 1067 1068 static const struct soc_enum twl4030_vibradirmode_enum = 1069 SOC_ENUM_SINGLE(TWL4030_REG_VIBRA_CTL, 5, 1070 ARRAY_SIZE(twl4030_vibradirmode_texts), 1071 twl4030_vibradirmode_texts); 1072 1073 /* Vibra H-bridge direction */ 1074 static const char *twl4030_vibradir_texts[] = { 1075 "Positive polarity", "Negative polarity", 1076 }; 1077 1078 static const struct soc_enum twl4030_vibradir_enum = 1079 SOC_ENUM_SINGLE(TWL4030_REG_VIBRA_CTL, 1, 1080 ARRAY_SIZE(twl4030_vibradir_texts), 1081 twl4030_vibradir_texts); 1082 1083 /* Digimic Left and right swapping */ 1084 static const char *twl4030_digimicswap_texts[] = { 1085 "Not swapped", "Swapped", 1086 }; 1087 1088 static const struct soc_enum twl4030_digimicswap_enum = 1089 SOC_ENUM_SINGLE(TWL4030_REG_MISC_SET_1, 0, 1090 ARRAY_SIZE(twl4030_digimicswap_texts), 1091 twl4030_digimicswap_texts); 1092 1093 static const struct snd_kcontrol_new twl4030_snd_controls[] = { 1094 /* Codec operation mode control */ 1095 SOC_ENUM_EXT("Codec Operation Mode", twl4030_op_modes_enum, 1096 snd_soc_get_enum_double, 1097 snd_soc_put_twl4030_opmode_enum_double), 1098 1099 /* Common playback gain controls */ 1100 SOC_DOUBLE_R_TLV("DAC1 Digital Fine Playback Volume", 1101 TWL4030_REG_ARXL1PGA, TWL4030_REG_ARXR1PGA, 1102 0, 0x3f, 0, digital_fine_tlv), 1103 SOC_DOUBLE_R_TLV("DAC2 Digital Fine Playback Volume", 1104 TWL4030_REG_ARXL2PGA, TWL4030_REG_ARXR2PGA, 1105 0, 0x3f, 0, digital_fine_tlv), 1106 1107 SOC_DOUBLE_R_TLV("DAC1 Digital Coarse Playback Volume", 1108 TWL4030_REG_ARXL1PGA, TWL4030_REG_ARXR1PGA, 1109 6, 0x2, 0, digital_coarse_tlv), 1110 SOC_DOUBLE_R_TLV("DAC2 Digital Coarse Playback Volume", 1111 TWL4030_REG_ARXL2PGA, TWL4030_REG_ARXR2PGA, 1112 6, 0x2, 0, digital_coarse_tlv), 1113 1114 SOC_DOUBLE_R_TLV("DAC1 Analog Playback Volume", 1115 TWL4030_REG_ARXL1_APGA_CTL, TWL4030_REG_ARXR1_APGA_CTL, 1116 3, 0x12, 1, analog_tlv), 1117 SOC_DOUBLE_R_TLV("DAC2 Analog Playback Volume", 1118 TWL4030_REG_ARXL2_APGA_CTL, TWL4030_REG_ARXR2_APGA_CTL, 1119 3, 0x12, 1, analog_tlv), 1120 SOC_DOUBLE_R("DAC1 Analog Playback Switch", 1121 TWL4030_REG_ARXL1_APGA_CTL, TWL4030_REG_ARXR1_APGA_CTL, 1122 1, 1, 0), 1123 SOC_DOUBLE_R("DAC2 Analog Playback Switch", 1124 TWL4030_REG_ARXL2_APGA_CTL, TWL4030_REG_ARXR2_APGA_CTL, 1125 1, 1, 0), 1126 1127 /* Common voice downlink gain controls */ 1128 SOC_SINGLE_TLV("DAC Voice Digital Downlink Volume", 1129 TWL4030_REG_VRXPGA, 0, 0x31, 0, digital_voice_downlink_tlv), 1130 1131 SOC_SINGLE_TLV("DAC Voice Analog Downlink Volume", 1132 TWL4030_REG_VDL_APGA_CTL, 3, 0x12, 1, analog_tlv), 1133 1134 SOC_SINGLE("DAC Voice Analog Downlink Switch", 1135 TWL4030_REG_VDL_APGA_CTL, 1, 1, 0), 1136 1137 /* Separate output gain controls */ 1138 SOC_DOUBLE_R_EXT_TLV("PreDriv Playback Volume", 1139 TWL4030_REG_PREDL_CTL, TWL4030_REG_PREDR_CTL, 1140 4, 3, 0, snd_soc_get_volsw_r2_twl4030, 1141 snd_soc_put_volsw_r2_twl4030, output_tvl), 1142 1143 SOC_DOUBLE_EXT_TLV("Headset Playback Volume", 1144 TWL4030_REG_HS_GAIN_SET, 0, 2, 3, 0, snd_soc_get_volsw_twl4030, 1145 snd_soc_put_volsw_twl4030, output_tvl), 1146 1147 SOC_DOUBLE_R_EXT_TLV("Carkit Playback Volume", 1148 TWL4030_REG_PRECKL_CTL, TWL4030_REG_PRECKR_CTL, 1149 4, 3, 0, snd_soc_get_volsw_r2_twl4030, 1150 snd_soc_put_volsw_r2_twl4030, output_tvl), 1151 1152 SOC_SINGLE_EXT_TLV("Earpiece Playback Volume", 1153 TWL4030_REG_EAR_CTL, 4, 3, 0, snd_soc_get_volsw_twl4030, 1154 snd_soc_put_volsw_twl4030, output_ear_tvl), 1155 1156 /* Common capture gain controls */ 1157 SOC_DOUBLE_R_TLV("TX1 Digital Capture Volume", 1158 TWL4030_REG_ATXL1PGA, TWL4030_REG_ATXR1PGA, 1159 0, 0x1f, 0, digital_capture_tlv), 1160 SOC_DOUBLE_R_TLV("TX2 Digital Capture Volume", 1161 TWL4030_REG_AVTXL2PGA, TWL4030_REG_AVTXR2PGA, 1162 0, 0x1f, 0, digital_capture_tlv), 1163 1164 SOC_DOUBLE_TLV("Analog Capture Volume", TWL4030_REG_ANAMIC_GAIN, 1165 0, 3, 5, 0, input_gain_tlv), 1166 1167 SOC_ENUM("AVADC Clock Priority", twl4030_avadc_clk_priority_enum), 1168 1169 SOC_ENUM("HS ramp delay", twl4030_rampdelay_enum), 1170 1171 SOC_ENUM("Vibra H-bridge mode", twl4030_vibradirmode_enum), 1172 SOC_ENUM("Vibra H-bridge direction", twl4030_vibradir_enum), 1173 1174 SOC_ENUM("Digimic LR Swap", twl4030_digimicswap_enum), 1175 }; 1176 1177 static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = { 1178 /* Left channel inputs */ 1179 SND_SOC_DAPM_INPUT("MAINMIC"), 1180 SND_SOC_DAPM_INPUT("HSMIC"), 1181 SND_SOC_DAPM_INPUT("AUXL"), 1182 SND_SOC_DAPM_INPUT("CARKITMIC"), 1183 /* Right channel inputs */ 1184 SND_SOC_DAPM_INPUT("SUBMIC"), 1185 SND_SOC_DAPM_INPUT("AUXR"), 1186 /* Digital microphones (Stereo) */ 1187 SND_SOC_DAPM_INPUT("DIGIMIC0"), 1188 SND_SOC_DAPM_INPUT("DIGIMIC1"), 1189 1190 /* Outputs */ 1191 SND_SOC_DAPM_OUTPUT("EARPIECE"), 1192 SND_SOC_DAPM_OUTPUT("PREDRIVEL"), 1193 SND_SOC_DAPM_OUTPUT("PREDRIVER"), 1194 SND_SOC_DAPM_OUTPUT("HSOL"), 1195 SND_SOC_DAPM_OUTPUT("HSOR"), 1196 SND_SOC_DAPM_OUTPUT("CARKITL"), 1197 SND_SOC_DAPM_OUTPUT("CARKITR"), 1198 SND_SOC_DAPM_OUTPUT("HFL"), 1199 SND_SOC_DAPM_OUTPUT("HFR"), 1200 SND_SOC_DAPM_OUTPUT("VIBRA"), 1201 1202 /* AIF and APLL clocks for running DAIs (including loopback) */ 1203 SND_SOC_DAPM_OUTPUT("Virtual HiFi OUT"), 1204 SND_SOC_DAPM_INPUT("Virtual HiFi IN"), 1205 SND_SOC_DAPM_OUTPUT("Virtual Voice OUT"), 1206 1207 /* DACs */ 1208 SND_SOC_DAPM_DAC("DAC Right1", NULL, SND_SOC_NOPM, 0, 0), 1209 SND_SOC_DAPM_DAC("DAC Left1", NULL, SND_SOC_NOPM, 0, 0), 1210 SND_SOC_DAPM_DAC("DAC Right2", NULL, SND_SOC_NOPM, 0, 0), 1211 SND_SOC_DAPM_DAC("DAC Left2", NULL, SND_SOC_NOPM, 0, 0), 1212 SND_SOC_DAPM_DAC("DAC Voice", NULL, SND_SOC_NOPM, 0, 0), 1213 1214 SND_SOC_DAPM_AIF_IN("VAIFIN", "Voice Playback", 0, 1215 TWL4030_REG_VOICE_IF, 6, 0), 1216 1217 /* Analog bypasses */ 1218 SND_SOC_DAPM_SWITCH("Right1 Analog Loopback", SND_SOC_NOPM, 0, 0, 1219 &twl4030_dapm_abypassr1_control), 1220 SND_SOC_DAPM_SWITCH("Left1 Analog Loopback", SND_SOC_NOPM, 0, 0, 1221 &twl4030_dapm_abypassl1_control), 1222 SND_SOC_DAPM_SWITCH("Right2 Analog Loopback", SND_SOC_NOPM, 0, 0, 1223 &twl4030_dapm_abypassr2_control), 1224 SND_SOC_DAPM_SWITCH("Left2 Analog Loopback", SND_SOC_NOPM, 0, 0, 1225 &twl4030_dapm_abypassl2_control), 1226 SND_SOC_DAPM_SWITCH("Voice Analog Loopback", SND_SOC_NOPM, 0, 0, 1227 &twl4030_dapm_abypassv_control), 1228 1229 /* Master analog loopback switch */ 1230 SND_SOC_DAPM_SUPPLY("FM Loop Enable", TWL4030_REG_MISC_SET_1, 5, 0, 1231 NULL, 0), 1232 1233 /* Digital bypasses */ 1234 SND_SOC_DAPM_SWITCH("Left Digital Loopback", SND_SOC_NOPM, 0, 0, 1235 &twl4030_dapm_dbypassl_control), 1236 SND_SOC_DAPM_SWITCH("Right Digital Loopback", SND_SOC_NOPM, 0, 0, 1237 &twl4030_dapm_dbypassr_control), 1238 SND_SOC_DAPM_SWITCH("Voice Digital Loopback", SND_SOC_NOPM, 0, 0, 1239 &twl4030_dapm_dbypassv_control), 1240 1241 /* Digital mixers, power control for the physical DACs */ 1242 SND_SOC_DAPM_MIXER("Digital R1 Playback Mixer", 1243 TWL4030_REG_AVDAC_CTL, 0, 0, NULL, 0), 1244 SND_SOC_DAPM_MIXER("Digital L1 Playback Mixer", 1245 TWL4030_REG_AVDAC_CTL, 1, 0, NULL, 0), 1246 SND_SOC_DAPM_MIXER("Digital R2 Playback Mixer", 1247 TWL4030_REG_AVDAC_CTL, 2, 0, NULL, 0), 1248 SND_SOC_DAPM_MIXER("Digital L2 Playback Mixer", 1249 TWL4030_REG_AVDAC_CTL, 3, 0, NULL, 0), 1250 SND_SOC_DAPM_MIXER("Digital Voice Playback Mixer", 1251 TWL4030_REG_AVDAC_CTL, 4, 0, NULL, 0), 1252 1253 /* Analog mixers, power control for the physical PGAs */ 1254 SND_SOC_DAPM_MIXER("Analog R1 Playback Mixer", 1255 TWL4030_REG_ARXR1_APGA_CTL, 0, 0, NULL, 0), 1256 SND_SOC_DAPM_MIXER("Analog L1 Playback Mixer", 1257 TWL4030_REG_ARXL1_APGA_CTL, 0, 0, NULL, 0), 1258 SND_SOC_DAPM_MIXER("Analog R2 Playback Mixer", 1259 TWL4030_REG_ARXR2_APGA_CTL, 0, 0, NULL, 0), 1260 SND_SOC_DAPM_MIXER("Analog L2 Playback Mixer", 1261 TWL4030_REG_ARXL2_APGA_CTL, 0, 0, NULL, 0), 1262 SND_SOC_DAPM_MIXER("Analog Voice Playback Mixer", 1263 TWL4030_REG_VDL_APGA_CTL, 0, 0, NULL, 0), 1264 1265 SND_SOC_DAPM_SUPPLY("APLL Enable", SND_SOC_NOPM, 0, 0, apll_event, 1266 SND_SOC_DAPM_PRE_PMU|SND_SOC_DAPM_POST_PMD), 1267 1268 SND_SOC_DAPM_SUPPLY("AIF Enable", SND_SOC_NOPM, 0, 0, aif_event, 1269 SND_SOC_DAPM_PRE_PMU|SND_SOC_DAPM_POST_PMD), 1270 1271 /* Output MIXER controls */ 1272 /* Earpiece */ 1273 SND_SOC_DAPM_MIXER("Earpiece Mixer", SND_SOC_NOPM, 0, 0, 1274 &twl4030_dapm_earpiece_controls[0], 1275 ARRAY_SIZE(twl4030_dapm_earpiece_controls)), 1276 SND_SOC_DAPM_PGA_E("Earpiece PGA", SND_SOC_NOPM, 1277 0, 0, NULL, 0, earpiecepga_event, 1278 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD), 1279 /* PreDrivL/R */ 1280 SND_SOC_DAPM_MIXER("PredriveL Mixer", SND_SOC_NOPM, 0, 0, 1281 &twl4030_dapm_predrivel_controls[0], 1282 ARRAY_SIZE(twl4030_dapm_predrivel_controls)), 1283 SND_SOC_DAPM_PGA_E("PredriveL PGA", SND_SOC_NOPM, 1284 0, 0, NULL, 0, predrivelpga_event, 1285 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD), 1286 SND_SOC_DAPM_MIXER("PredriveR Mixer", SND_SOC_NOPM, 0, 0, 1287 &twl4030_dapm_predriver_controls[0], 1288 ARRAY_SIZE(twl4030_dapm_predriver_controls)), 1289 SND_SOC_DAPM_PGA_E("PredriveR PGA", SND_SOC_NOPM, 1290 0, 0, NULL, 0, predriverpga_event, 1291 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD), 1292 /* HeadsetL/R */ 1293 SND_SOC_DAPM_MIXER("HeadsetL Mixer", SND_SOC_NOPM, 0, 0, 1294 &twl4030_dapm_hsol_controls[0], 1295 ARRAY_SIZE(twl4030_dapm_hsol_controls)), 1296 SND_SOC_DAPM_PGA_E("HeadsetL PGA", SND_SOC_NOPM, 1297 0, 0, NULL, 0, headsetlpga_event, 1298 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD), 1299 SND_SOC_DAPM_MIXER("HeadsetR Mixer", SND_SOC_NOPM, 0, 0, 1300 &twl4030_dapm_hsor_controls[0], 1301 ARRAY_SIZE(twl4030_dapm_hsor_controls)), 1302 SND_SOC_DAPM_PGA_E("HeadsetR PGA", SND_SOC_NOPM, 1303 0, 0, NULL, 0, headsetrpga_event, 1304 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD), 1305 /* CarkitL/R */ 1306 SND_SOC_DAPM_MIXER("CarkitL Mixer", SND_SOC_NOPM, 0, 0, 1307 &twl4030_dapm_carkitl_controls[0], 1308 ARRAY_SIZE(twl4030_dapm_carkitl_controls)), 1309 SND_SOC_DAPM_PGA_E("CarkitL PGA", SND_SOC_NOPM, 1310 0, 0, NULL, 0, carkitlpga_event, 1311 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD), 1312 SND_SOC_DAPM_MIXER("CarkitR Mixer", SND_SOC_NOPM, 0, 0, 1313 &twl4030_dapm_carkitr_controls[0], 1314 ARRAY_SIZE(twl4030_dapm_carkitr_controls)), 1315 SND_SOC_DAPM_PGA_E("CarkitR PGA", SND_SOC_NOPM, 1316 0, 0, NULL, 0, carkitrpga_event, 1317 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD), 1318 1319 /* Output MUX controls */ 1320 /* HandsfreeL/R */ 1321 SND_SOC_DAPM_MUX("HandsfreeL Mux", SND_SOC_NOPM, 0, 0, 1322 &twl4030_dapm_handsfreel_control), 1323 SND_SOC_DAPM_SWITCH("HandsfreeL", SND_SOC_NOPM, 0, 0, 1324 &twl4030_dapm_handsfreelmute_control), 1325 SND_SOC_DAPM_PGA_E("HandsfreeL PGA", SND_SOC_NOPM, 1326 0, 0, NULL, 0, handsfreelpga_event, 1327 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD), 1328 SND_SOC_DAPM_MUX("HandsfreeR Mux", SND_SOC_NOPM, 5, 0, 1329 &twl4030_dapm_handsfreer_control), 1330 SND_SOC_DAPM_SWITCH("HandsfreeR", SND_SOC_NOPM, 0, 0, 1331 &twl4030_dapm_handsfreermute_control), 1332 SND_SOC_DAPM_PGA_E("HandsfreeR PGA", SND_SOC_NOPM, 1333 0, 0, NULL, 0, handsfreerpga_event, 1334 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD), 1335 /* Vibra */ 1336 SND_SOC_DAPM_MUX_E("Vibra Mux", TWL4030_REG_VIBRA_CTL, 0, 0, 1337 &twl4030_dapm_vibra_control, vibramux_event, 1338 SND_SOC_DAPM_PRE_PMU), 1339 SND_SOC_DAPM_MUX("Vibra Route", SND_SOC_NOPM, 0, 0, 1340 &twl4030_dapm_vibrapath_control), 1341 1342 /* Introducing four virtual ADC, since TWL4030 have four channel for 1343 capture */ 1344 SND_SOC_DAPM_ADC("ADC Virtual Left1", NULL, SND_SOC_NOPM, 0, 0), 1345 SND_SOC_DAPM_ADC("ADC Virtual Right1", NULL, SND_SOC_NOPM, 0, 0), 1346 SND_SOC_DAPM_ADC("ADC Virtual Left2", NULL, SND_SOC_NOPM, 0, 0), 1347 SND_SOC_DAPM_ADC("ADC Virtual Right2", NULL, SND_SOC_NOPM, 0, 0), 1348 1349 SND_SOC_DAPM_AIF_OUT("VAIFOUT", "Voice Capture", 0, 1350 TWL4030_REG_VOICE_IF, 5, 0), 1351 1352 /* Analog/Digital mic path selection. 1353 TX1 Left/Right: either analog Left/Right or Digimic0 1354 TX2 Left/Right: either analog Left/Right or Digimic1 */ 1355 SND_SOC_DAPM_MUX("TX1 Capture Route", SND_SOC_NOPM, 0, 0, 1356 &twl4030_dapm_micpathtx1_control), 1357 SND_SOC_DAPM_MUX("TX2 Capture Route", SND_SOC_NOPM, 0, 0, 1358 &twl4030_dapm_micpathtx2_control), 1359 1360 /* Analog input mixers for the capture amplifiers */ 1361 SND_SOC_DAPM_MIXER("Analog Left", 1362 TWL4030_REG_ANAMICL, 4, 0, 1363 &twl4030_dapm_analoglmic_controls[0], 1364 ARRAY_SIZE(twl4030_dapm_analoglmic_controls)), 1365 SND_SOC_DAPM_MIXER("Analog Right", 1366 TWL4030_REG_ANAMICR, 4, 0, 1367 &twl4030_dapm_analogrmic_controls[0], 1368 ARRAY_SIZE(twl4030_dapm_analogrmic_controls)), 1369 1370 SND_SOC_DAPM_PGA("ADC Physical Left", 1371 TWL4030_REG_AVADC_CTL, 3, 0, NULL, 0), 1372 SND_SOC_DAPM_PGA("ADC Physical Right", 1373 TWL4030_REG_AVADC_CTL, 1, 0, NULL, 0), 1374 1375 SND_SOC_DAPM_PGA_E("Digimic0 Enable", 1376 TWL4030_REG_ADCMICSEL, 1, 0, NULL, 0, 1377 digimic_event, SND_SOC_DAPM_POST_PMU), 1378 SND_SOC_DAPM_PGA_E("Digimic1 Enable", 1379 TWL4030_REG_ADCMICSEL, 3, 0, NULL, 0, 1380 digimic_event, SND_SOC_DAPM_POST_PMU), 1381 1382 SND_SOC_DAPM_SUPPLY("micbias1 select", TWL4030_REG_MICBIAS_CTL, 5, 0, 1383 NULL, 0), 1384 SND_SOC_DAPM_SUPPLY("micbias2 select", TWL4030_REG_MICBIAS_CTL, 6, 0, 1385 NULL, 0), 1386 1387 /* Microphone bias */ 1388 SND_SOC_DAPM_SUPPLY("Mic Bias 1", 1389 TWL4030_REG_MICBIAS_CTL, 0, 0, NULL, 0), 1390 SND_SOC_DAPM_SUPPLY("Mic Bias 2", 1391 TWL4030_REG_MICBIAS_CTL, 1, 0, NULL, 0), 1392 SND_SOC_DAPM_SUPPLY("Headset Mic Bias", 1393 TWL4030_REG_MICBIAS_CTL, 2, 0, NULL, 0), 1394 1395 SND_SOC_DAPM_SUPPLY("VIF Enable", TWL4030_REG_VOICE_IF, 0, 0, NULL, 0), 1396 }; 1397 1398 static const struct snd_soc_dapm_route intercon[] = { 1399 /* Stream -> DAC mapping */ 1400 {"DAC Right1", NULL, "HiFi Playback"}, 1401 {"DAC Left1", NULL, "HiFi Playback"}, 1402 {"DAC Right2", NULL, "HiFi Playback"}, 1403 {"DAC Left2", NULL, "HiFi Playback"}, 1404 {"DAC Voice", NULL, "VAIFIN"}, 1405 1406 /* ADC -> Stream mapping */ 1407 {"HiFi Capture", NULL, "ADC Virtual Left1"}, 1408 {"HiFi Capture", NULL, "ADC Virtual Right1"}, 1409 {"HiFi Capture", NULL, "ADC Virtual Left2"}, 1410 {"HiFi Capture", NULL, "ADC Virtual Right2"}, 1411 {"VAIFOUT", NULL, "ADC Virtual Left2"}, 1412 {"VAIFOUT", NULL, "ADC Virtual Right2"}, 1413 {"VAIFOUT", NULL, "VIF Enable"}, 1414 1415 {"Digital L1 Playback Mixer", NULL, "DAC Left1"}, 1416 {"Digital R1 Playback Mixer", NULL, "DAC Right1"}, 1417 {"Digital L2 Playback Mixer", NULL, "DAC Left2"}, 1418 {"Digital R2 Playback Mixer", NULL, "DAC Right2"}, 1419 {"Digital Voice Playback Mixer", NULL, "DAC Voice"}, 1420 1421 /* Supply for the digital part (APLL) */ 1422 {"Digital Voice Playback Mixer", NULL, "APLL Enable"}, 1423 1424 {"DAC Left1", NULL, "AIF Enable"}, 1425 {"DAC Right1", NULL, "AIF Enable"}, 1426 {"DAC Left2", NULL, "AIF Enable"}, 1427 {"DAC Right1", NULL, "AIF Enable"}, 1428 {"DAC Voice", NULL, "VIF Enable"}, 1429 1430 {"Digital R2 Playback Mixer", NULL, "AIF Enable"}, 1431 {"Digital L2 Playback Mixer", NULL, "AIF Enable"}, 1432 1433 {"Analog L1 Playback Mixer", NULL, "Digital L1 Playback Mixer"}, 1434 {"Analog R1 Playback Mixer", NULL, "Digital R1 Playback Mixer"}, 1435 {"Analog L2 Playback Mixer", NULL, "Digital L2 Playback Mixer"}, 1436 {"Analog R2 Playback Mixer", NULL, "Digital R2 Playback Mixer"}, 1437 {"Analog Voice Playback Mixer", NULL, "Digital Voice Playback Mixer"}, 1438 1439 /* Internal playback routings */ 1440 /* Earpiece */ 1441 {"Earpiece Mixer", "Voice", "Analog Voice Playback Mixer"}, 1442 {"Earpiece Mixer", "AudioL1", "Analog L1 Playback Mixer"}, 1443 {"Earpiece Mixer", "AudioL2", "Analog L2 Playback Mixer"}, 1444 {"Earpiece Mixer", "AudioR1", "Analog R1 Playback Mixer"}, 1445 {"Earpiece PGA", NULL, "Earpiece Mixer"}, 1446 /* PreDrivL */ 1447 {"PredriveL Mixer", "Voice", "Analog Voice Playback Mixer"}, 1448 {"PredriveL Mixer", "AudioL1", "Analog L1 Playback Mixer"}, 1449 {"PredriveL Mixer", "AudioL2", "Analog L2 Playback Mixer"}, 1450 {"PredriveL Mixer", "AudioR2", "Analog R2 Playback Mixer"}, 1451 {"PredriveL PGA", NULL, "PredriveL Mixer"}, 1452 /* PreDrivR */ 1453 {"PredriveR Mixer", "Voice", "Analog Voice Playback Mixer"}, 1454 {"PredriveR Mixer", "AudioR1", "Analog R1 Playback Mixer"}, 1455 {"PredriveR Mixer", "AudioR2", "Analog R2 Playback Mixer"}, 1456 {"PredriveR Mixer", "AudioL2", "Analog L2 Playback Mixer"}, 1457 {"PredriveR PGA", NULL, "PredriveR Mixer"}, 1458 /* HeadsetL */ 1459 {"HeadsetL Mixer", "Voice", "Analog Voice Playback Mixer"}, 1460 {"HeadsetL Mixer", "AudioL1", "Analog L1 Playback Mixer"}, 1461 {"HeadsetL Mixer", "AudioL2", "Analog L2 Playback Mixer"}, 1462 {"HeadsetL PGA", NULL, "HeadsetL Mixer"}, 1463 /* HeadsetR */ 1464 {"HeadsetR Mixer", "Voice", "Analog Voice Playback Mixer"}, 1465 {"HeadsetR Mixer", "AudioR1", "Analog R1 Playback Mixer"}, 1466 {"HeadsetR Mixer", "AudioR2", "Analog R2 Playback Mixer"}, 1467 {"HeadsetR PGA", NULL, "HeadsetR Mixer"}, 1468 /* CarkitL */ 1469 {"CarkitL Mixer", "Voice", "Analog Voice Playback Mixer"}, 1470 {"CarkitL Mixer", "AudioL1", "Analog L1 Playback Mixer"}, 1471 {"CarkitL Mixer", "AudioL2", "Analog L2 Playback Mixer"}, 1472 {"CarkitL PGA", NULL, "CarkitL Mixer"}, 1473 /* CarkitR */ 1474 {"CarkitR Mixer", "Voice", "Analog Voice Playback Mixer"}, 1475 {"CarkitR Mixer", "AudioR1", "Analog R1 Playback Mixer"}, 1476 {"CarkitR Mixer", "AudioR2", "Analog R2 Playback Mixer"}, 1477 {"CarkitR PGA", NULL, "CarkitR Mixer"}, 1478 /* HandsfreeL */ 1479 {"HandsfreeL Mux", "Voice", "Analog Voice Playback Mixer"}, 1480 {"HandsfreeL Mux", "AudioL1", "Analog L1 Playback Mixer"}, 1481 {"HandsfreeL Mux", "AudioL2", "Analog L2 Playback Mixer"}, 1482 {"HandsfreeL Mux", "AudioR2", "Analog R2 Playback Mixer"}, 1483 {"HandsfreeL", "Switch", "HandsfreeL Mux"}, 1484 {"HandsfreeL PGA", NULL, "HandsfreeL"}, 1485 /* HandsfreeR */ 1486 {"HandsfreeR Mux", "Voice", "Analog Voice Playback Mixer"}, 1487 {"HandsfreeR Mux", "AudioR1", "Analog R1 Playback Mixer"}, 1488 {"HandsfreeR Mux", "AudioR2", "Analog R2 Playback Mixer"}, 1489 {"HandsfreeR Mux", "AudioL2", "Analog L2 Playback Mixer"}, 1490 {"HandsfreeR", "Switch", "HandsfreeR Mux"}, 1491 {"HandsfreeR PGA", NULL, "HandsfreeR"}, 1492 /* Vibra */ 1493 {"Vibra Mux", "AudioL1", "DAC Left1"}, 1494 {"Vibra Mux", "AudioR1", "DAC Right1"}, 1495 {"Vibra Mux", "AudioL2", "DAC Left2"}, 1496 {"Vibra Mux", "AudioR2", "DAC Right2"}, 1497 1498 /* outputs */ 1499 /* Must be always connected (for AIF and APLL) */ 1500 {"Virtual HiFi OUT", NULL, "DAC Left1"}, 1501 {"Virtual HiFi OUT", NULL, "DAC Right1"}, 1502 {"Virtual HiFi OUT", NULL, "DAC Left2"}, 1503 {"Virtual HiFi OUT", NULL, "DAC Right2"}, 1504 /* Must be always connected (for APLL) */ 1505 {"Virtual Voice OUT", NULL, "Digital Voice Playback Mixer"}, 1506 /* Physical outputs */ 1507 {"EARPIECE", NULL, "Earpiece PGA"}, 1508 {"PREDRIVEL", NULL, "PredriveL PGA"}, 1509 {"PREDRIVER", NULL, "PredriveR PGA"}, 1510 {"HSOL", NULL, "HeadsetL PGA"}, 1511 {"HSOR", NULL, "HeadsetR PGA"}, 1512 {"CARKITL", NULL, "CarkitL PGA"}, 1513 {"CARKITR", NULL, "CarkitR PGA"}, 1514 {"HFL", NULL, "HandsfreeL PGA"}, 1515 {"HFR", NULL, "HandsfreeR PGA"}, 1516 {"Vibra Route", "Audio", "Vibra Mux"}, 1517 {"VIBRA", NULL, "Vibra Route"}, 1518 1519 /* Capture path */ 1520 /* Must be always connected (for AIF and APLL) */ 1521 {"ADC Virtual Left1", NULL, "Virtual HiFi IN"}, 1522 {"ADC Virtual Right1", NULL, "Virtual HiFi IN"}, 1523 {"ADC Virtual Left2", NULL, "Virtual HiFi IN"}, 1524 {"ADC Virtual Right2", NULL, "Virtual HiFi IN"}, 1525 /* Physical inputs */ 1526 {"Analog Left", "Main Mic Capture Switch", "MAINMIC"}, 1527 {"Analog Left", "Headset Mic Capture Switch", "HSMIC"}, 1528 {"Analog Left", "AUXL Capture Switch", "AUXL"}, 1529 {"Analog Left", "Carkit Mic Capture Switch", "CARKITMIC"}, 1530 1531 {"Analog Right", "Sub Mic Capture Switch", "SUBMIC"}, 1532 {"Analog Right", "AUXR Capture Switch", "AUXR"}, 1533 1534 {"ADC Physical Left", NULL, "Analog Left"}, 1535 {"ADC Physical Right", NULL, "Analog Right"}, 1536 1537 {"Digimic0 Enable", NULL, "DIGIMIC0"}, 1538 {"Digimic1 Enable", NULL, "DIGIMIC1"}, 1539 1540 {"DIGIMIC0", NULL, "micbias1 select"}, 1541 {"DIGIMIC1", NULL, "micbias2 select"}, 1542 1543 /* TX1 Left capture path */ 1544 {"TX1 Capture Route", "Analog", "ADC Physical Left"}, 1545 {"TX1 Capture Route", "Digimic0", "Digimic0 Enable"}, 1546 /* TX1 Right capture path */ 1547 {"TX1 Capture Route", "Analog", "ADC Physical Right"}, 1548 {"TX1 Capture Route", "Digimic0", "Digimic0 Enable"}, 1549 /* TX2 Left capture path */ 1550 {"TX2 Capture Route", "Analog", "ADC Physical Left"}, 1551 {"TX2 Capture Route", "Digimic1", "Digimic1 Enable"}, 1552 /* TX2 Right capture path */ 1553 {"TX2 Capture Route", "Analog", "ADC Physical Right"}, 1554 {"TX2 Capture Route", "Digimic1", "Digimic1 Enable"}, 1555 1556 {"ADC Virtual Left1", NULL, "TX1 Capture Route"}, 1557 {"ADC Virtual Right1", NULL, "TX1 Capture Route"}, 1558 {"ADC Virtual Left2", NULL, "TX2 Capture Route"}, 1559 {"ADC Virtual Right2", NULL, "TX2 Capture Route"}, 1560 1561 {"ADC Virtual Left1", NULL, "AIF Enable"}, 1562 {"ADC Virtual Right1", NULL, "AIF Enable"}, 1563 {"ADC Virtual Left2", NULL, "AIF Enable"}, 1564 {"ADC Virtual Right2", NULL, "AIF Enable"}, 1565 1566 /* Analog bypass routes */ 1567 {"Right1 Analog Loopback", "Switch", "Analog Right"}, 1568 {"Left1 Analog Loopback", "Switch", "Analog Left"}, 1569 {"Right2 Analog Loopback", "Switch", "Analog Right"}, 1570 {"Left2 Analog Loopback", "Switch", "Analog Left"}, 1571 {"Voice Analog Loopback", "Switch", "Analog Left"}, 1572 1573 /* Supply for the Analog loopbacks */ 1574 {"Right1 Analog Loopback", NULL, "FM Loop Enable"}, 1575 {"Left1 Analog Loopback", NULL, "FM Loop Enable"}, 1576 {"Right2 Analog Loopback", NULL, "FM Loop Enable"}, 1577 {"Left2 Analog Loopback", NULL, "FM Loop Enable"}, 1578 {"Voice Analog Loopback", NULL, "FM Loop Enable"}, 1579 1580 {"Analog R1 Playback Mixer", NULL, "Right1 Analog Loopback"}, 1581 {"Analog L1 Playback Mixer", NULL, "Left1 Analog Loopback"}, 1582 {"Analog R2 Playback Mixer", NULL, "Right2 Analog Loopback"}, 1583 {"Analog L2 Playback Mixer", NULL, "Left2 Analog Loopback"}, 1584 {"Analog Voice Playback Mixer", NULL, "Voice Analog Loopback"}, 1585 1586 /* Digital bypass routes */ 1587 {"Right Digital Loopback", "Volume", "TX1 Capture Route"}, 1588 {"Left Digital Loopback", "Volume", "TX1 Capture Route"}, 1589 {"Voice Digital Loopback", "Volume", "TX2 Capture Route"}, 1590 1591 {"Digital R2 Playback Mixer", NULL, "Right Digital Loopback"}, 1592 {"Digital L2 Playback Mixer", NULL, "Left Digital Loopback"}, 1593 {"Digital Voice Playback Mixer", NULL, "Voice Digital Loopback"}, 1594 1595 }; 1596 1597 static int twl4030_set_bias_level(struct snd_soc_codec *codec, 1598 enum snd_soc_bias_level level) 1599 { 1600 switch (level) { 1601 case SND_SOC_BIAS_ON: 1602 break; 1603 case SND_SOC_BIAS_PREPARE: 1604 break; 1605 case SND_SOC_BIAS_STANDBY: 1606 if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) 1607 twl4030_codec_enable(codec, 1); 1608 break; 1609 case SND_SOC_BIAS_OFF: 1610 twl4030_codec_enable(codec, 0); 1611 break; 1612 } 1613 codec->dapm.bias_level = level; 1614 1615 return 0; 1616 } 1617 1618 static void twl4030_constraints(struct twl4030_priv *twl4030, 1619 struct snd_pcm_substream *mst_substream) 1620 { 1621 struct snd_pcm_substream *slv_substream; 1622 1623 /* Pick the stream, which need to be constrained */ 1624 if (mst_substream == twl4030->master_substream) 1625 slv_substream = twl4030->slave_substream; 1626 else if (mst_substream == twl4030->slave_substream) 1627 slv_substream = twl4030->master_substream; 1628 else /* This should not happen.. */ 1629 return; 1630 1631 /* Set the constraints according to the already configured stream */ 1632 snd_pcm_hw_constraint_minmax(slv_substream->runtime, 1633 SNDRV_PCM_HW_PARAM_RATE, 1634 twl4030->rate, 1635 twl4030->rate); 1636 1637 snd_pcm_hw_constraint_minmax(slv_substream->runtime, 1638 SNDRV_PCM_HW_PARAM_SAMPLE_BITS, 1639 twl4030->sample_bits, 1640 twl4030->sample_bits); 1641 1642 snd_pcm_hw_constraint_minmax(slv_substream->runtime, 1643 SNDRV_PCM_HW_PARAM_CHANNELS, 1644 twl4030->channels, 1645 twl4030->channels); 1646 } 1647 1648 /* In case of 4 channel mode, the RX1 L/R for playback and the TX2 L/R for 1649 * capture has to be enabled/disabled. */ 1650 static void twl4030_tdm_enable(struct snd_soc_codec *codec, int direction, 1651 int enable) 1652 { 1653 u8 reg, mask; 1654 1655 reg = twl4030_read(codec, TWL4030_REG_OPTION); 1656 1657 if (direction == SNDRV_PCM_STREAM_PLAYBACK) 1658 mask = TWL4030_ARXL1_VRX_EN | TWL4030_ARXR1_EN; 1659 else 1660 mask = TWL4030_ATXL2_VTXL_EN | TWL4030_ATXR2_VTXR_EN; 1661 1662 if (enable) 1663 reg |= mask; 1664 else 1665 reg &= ~mask; 1666 1667 twl4030_write(codec, TWL4030_REG_OPTION, reg); 1668 } 1669 1670 static int twl4030_startup(struct snd_pcm_substream *substream, 1671 struct snd_soc_dai *dai) 1672 { 1673 struct snd_soc_codec *codec = dai->codec; 1674 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 1675 1676 if (twl4030->master_substream) { 1677 twl4030->slave_substream = substream; 1678 /* The DAI has one configuration for playback and capture, so 1679 * if the DAI has been already configured then constrain this 1680 * substream to match it. */ 1681 if (twl4030->configured) 1682 twl4030_constraints(twl4030, twl4030->master_substream); 1683 } else { 1684 if (!(twl4030_read(codec, TWL4030_REG_CODEC_MODE) & 1685 TWL4030_OPTION_1)) { 1686 /* In option2 4 channel is not supported, set the 1687 * constraint for the first stream for channels, the 1688 * second stream will 'inherit' this cosntraint */ 1689 snd_pcm_hw_constraint_minmax(substream->runtime, 1690 SNDRV_PCM_HW_PARAM_CHANNELS, 1691 2, 2); 1692 } 1693 twl4030->master_substream = substream; 1694 } 1695 1696 return 0; 1697 } 1698 1699 static void twl4030_shutdown(struct snd_pcm_substream *substream, 1700 struct snd_soc_dai *dai) 1701 { 1702 struct snd_soc_codec *codec = dai->codec; 1703 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 1704 1705 if (twl4030->master_substream == substream) 1706 twl4030->master_substream = twl4030->slave_substream; 1707 1708 twl4030->slave_substream = NULL; 1709 1710 /* If all streams are closed, or the remaining stream has not yet 1711 * been configured than set the DAI as not configured. */ 1712 if (!twl4030->master_substream) 1713 twl4030->configured = 0; 1714 else if (!twl4030->master_substream->runtime->channels) 1715 twl4030->configured = 0; 1716 1717 /* If the closing substream had 4 channel, do the necessary cleanup */ 1718 if (substream->runtime->channels == 4) 1719 twl4030_tdm_enable(codec, substream->stream, 0); 1720 } 1721 1722 static int twl4030_hw_params(struct snd_pcm_substream *substream, 1723 struct snd_pcm_hw_params *params, 1724 struct snd_soc_dai *dai) 1725 { 1726 struct snd_soc_codec *codec = dai->codec; 1727 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 1728 u8 mode, old_mode, format, old_format; 1729 1730 /* If the substream has 4 channel, do the necessary setup */ 1731 if (params_channels(params) == 4) { 1732 format = twl4030_read(codec, TWL4030_REG_AUDIO_IF); 1733 mode = twl4030_read(codec, TWL4030_REG_CODEC_MODE); 1734 1735 /* Safety check: are we in the correct operating mode and 1736 * the interface is in TDM mode? */ 1737 if ((mode & TWL4030_OPTION_1) && 1738 ((format & TWL4030_AIF_FORMAT) == TWL4030_AIF_FORMAT_TDM)) 1739 twl4030_tdm_enable(codec, substream->stream, 1); 1740 else 1741 return -EINVAL; 1742 } 1743 1744 if (twl4030->configured) 1745 /* Ignoring hw_params for already configured DAI */ 1746 return 0; 1747 1748 /* bit rate */ 1749 old_mode = twl4030_read(codec, 1750 TWL4030_REG_CODEC_MODE) & ~TWL4030_CODECPDZ; 1751 mode = old_mode & ~TWL4030_APLL_RATE; 1752 1753 switch (params_rate(params)) { 1754 case 8000: 1755 mode |= TWL4030_APLL_RATE_8000; 1756 break; 1757 case 11025: 1758 mode |= TWL4030_APLL_RATE_11025; 1759 break; 1760 case 12000: 1761 mode |= TWL4030_APLL_RATE_12000; 1762 break; 1763 case 16000: 1764 mode |= TWL4030_APLL_RATE_16000; 1765 break; 1766 case 22050: 1767 mode |= TWL4030_APLL_RATE_22050; 1768 break; 1769 case 24000: 1770 mode |= TWL4030_APLL_RATE_24000; 1771 break; 1772 case 32000: 1773 mode |= TWL4030_APLL_RATE_32000; 1774 break; 1775 case 44100: 1776 mode |= TWL4030_APLL_RATE_44100; 1777 break; 1778 case 48000: 1779 mode |= TWL4030_APLL_RATE_48000; 1780 break; 1781 case 96000: 1782 mode |= TWL4030_APLL_RATE_96000; 1783 break; 1784 default: 1785 dev_err(codec->dev, "%s: unknown rate %d\n", __func__, 1786 params_rate(params)); 1787 return -EINVAL; 1788 } 1789 1790 /* sample size */ 1791 old_format = twl4030_read(codec, TWL4030_REG_AUDIO_IF); 1792 format = old_format; 1793 format &= ~TWL4030_DATA_WIDTH; 1794 switch (params_format(params)) { 1795 case SNDRV_PCM_FORMAT_S16_LE: 1796 format |= TWL4030_DATA_WIDTH_16S_16W; 1797 break; 1798 case SNDRV_PCM_FORMAT_S32_LE: 1799 format |= TWL4030_DATA_WIDTH_32S_24W; 1800 break; 1801 default: 1802 dev_err(codec->dev, "%s: unknown format %d\n", __func__, 1803 params_format(params)); 1804 return -EINVAL; 1805 } 1806 1807 if (format != old_format || mode != old_mode) { 1808 if (twl4030->codec_powered) { 1809 /* 1810 * If the codec is powered, than we need to toggle the 1811 * codec power. 1812 */ 1813 twl4030_codec_enable(codec, 0); 1814 twl4030_write(codec, TWL4030_REG_CODEC_MODE, mode); 1815 twl4030_write(codec, TWL4030_REG_AUDIO_IF, format); 1816 twl4030_codec_enable(codec, 1); 1817 } else { 1818 twl4030_write(codec, TWL4030_REG_CODEC_MODE, mode); 1819 twl4030_write(codec, TWL4030_REG_AUDIO_IF, format); 1820 } 1821 } 1822 1823 /* Store the important parameters for the DAI configuration and set 1824 * the DAI as configured */ 1825 twl4030->configured = 1; 1826 twl4030->rate = params_rate(params); 1827 twl4030->sample_bits = hw_param_interval(params, 1828 SNDRV_PCM_HW_PARAM_SAMPLE_BITS)->min; 1829 twl4030->channels = params_channels(params); 1830 1831 /* If both playback and capture streams are open, and one of them 1832 * is setting the hw parameters right now (since we are here), set 1833 * constraints to the other stream to match the current one. */ 1834 if (twl4030->slave_substream) 1835 twl4030_constraints(twl4030, substream); 1836 1837 return 0; 1838 } 1839 1840 static int twl4030_set_dai_sysclk(struct snd_soc_dai *codec_dai, int clk_id, 1841 unsigned int freq, int dir) 1842 { 1843 struct snd_soc_codec *codec = codec_dai->codec; 1844 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 1845 1846 switch (freq) { 1847 case 19200000: 1848 case 26000000: 1849 case 38400000: 1850 break; 1851 default: 1852 dev_err(codec->dev, "Unsupported HFCLKIN: %u\n", freq); 1853 return -EINVAL; 1854 } 1855 1856 if ((freq / 1000) != twl4030->sysclk) { 1857 dev_err(codec->dev, 1858 "Mismatch in HFCLKIN: %u (configured: %u)\n", 1859 freq, twl4030->sysclk * 1000); 1860 return -EINVAL; 1861 } 1862 1863 return 0; 1864 } 1865 1866 static int twl4030_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) 1867 { 1868 struct snd_soc_codec *codec = codec_dai->codec; 1869 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 1870 u8 old_format, format; 1871 1872 /* get format */ 1873 old_format = twl4030_read(codec, TWL4030_REG_AUDIO_IF); 1874 format = old_format; 1875 1876 /* set master/slave audio interface */ 1877 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { 1878 case SND_SOC_DAIFMT_CBM_CFM: 1879 format &= ~(TWL4030_AIF_SLAVE_EN); 1880 format &= ~(TWL4030_CLK256FS_EN); 1881 break; 1882 case SND_SOC_DAIFMT_CBS_CFS: 1883 format |= TWL4030_AIF_SLAVE_EN; 1884 format |= TWL4030_CLK256FS_EN; 1885 break; 1886 default: 1887 return -EINVAL; 1888 } 1889 1890 /* interface format */ 1891 format &= ~TWL4030_AIF_FORMAT; 1892 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 1893 case SND_SOC_DAIFMT_I2S: 1894 format |= TWL4030_AIF_FORMAT_CODEC; 1895 break; 1896 case SND_SOC_DAIFMT_DSP_A: 1897 format |= TWL4030_AIF_FORMAT_TDM; 1898 break; 1899 default: 1900 return -EINVAL; 1901 } 1902 1903 if (format != old_format) { 1904 if (twl4030->codec_powered) { 1905 /* 1906 * If the codec is powered, than we need to toggle the 1907 * codec power. 1908 */ 1909 twl4030_codec_enable(codec, 0); 1910 twl4030_write(codec, TWL4030_REG_AUDIO_IF, format); 1911 twl4030_codec_enable(codec, 1); 1912 } else { 1913 twl4030_write(codec, TWL4030_REG_AUDIO_IF, format); 1914 } 1915 } 1916 1917 return 0; 1918 } 1919 1920 static int twl4030_set_tristate(struct snd_soc_dai *dai, int tristate) 1921 { 1922 struct snd_soc_codec *codec = dai->codec; 1923 u8 reg = twl4030_read(codec, TWL4030_REG_AUDIO_IF); 1924 1925 if (tristate) 1926 reg |= TWL4030_AIF_TRI_EN; 1927 else 1928 reg &= ~TWL4030_AIF_TRI_EN; 1929 1930 return twl4030_write(codec, TWL4030_REG_AUDIO_IF, reg); 1931 } 1932 1933 /* In case of voice mode, the RX1 L(VRX) for downlink and the TX2 L/R 1934 * (VTXL, VTXR) for uplink has to be enabled/disabled. */ 1935 static void twl4030_voice_enable(struct snd_soc_codec *codec, int direction, 1936 int enable) 1937 { 1938 u8 reg, mask; 1939 1940 reg = twl4030_read(codec, TWL4030_REG_OPTION); 1941 1942 if (direction == SNDRV_PCM_STREAM_PLAYBACK) 1943 mask = TWL4030_ARXL1_VRX_EN; 1944 else 1945 mask = TWL4030_ATXL2_VTXL_EN | TWL4030_ATXR2_VTXR_EN; 1946 1947 if (enable) 1948 reg |= mask; 1949 else 1950 reg &= ~mask; 1951 1952 twl4030_write(codec, TWL4030_REG_OPTION, reg); 1953 } 1954 1955 static int twl4030_voice_startup(struct snd_pcm_substream *substream, 1956 struct snd_soc_dai *dai) 1957 { 1958 struct snd_soc_codec *codec = dai->codec; 1959 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 1960 u8 mode; 1961 1962 /* If the system master clock is not 26MHz, the voice PCM interface is 1963 * not available. 1964 */ 1965 if (twl4030->sysclk != 26000) { 1966 dev_err(codec->dev, 1967 "%s: HFCLKIN is %u KHz, voice interface needs 26MHz\n", 1968 __func__, twl4030->sysclk); 1969 return -EINVAL; 1970 } 1971 1972 /* If the codec mode is not option2, the voice PCM interface is not 1973 * available. 1974 */ 1975 mode = twl4030_read(codec, TWL4030_REG_CODEC_MODE) 1976 & TWL4030_OPT_MODE; 1977 1978 if (mode != TWL4030_OPTION_2) { 1979 dev_err(codec->dev, "%s: the codec mode is not option2\n", 1980 __func__); 1981 return -EINVAL; 1982 } 1983 1984 return 0; 1985 } 1986 1987 static void twl4030_voice_shutdown(struct snd_pcm_substream *substream, 1988 struct snd_soc_dai *dai) 1989 { 1990 struct snd_soc_codec *codec = dai->codec; 1991 1992 /* Enable voice digital filters */ 1993 twl4030_voice_enable(codec, substream->stream, 0); 1994 } 1995 1996 static int twl4030_voice_hw_params(struct snd_pcm_substream *substream, 1997 struct snd_pcm_hw_params *params, 1998 struct snd_soc_dai *dai) 1999 { 2000 struct snd_soc_codec *codec = dai->codec; 2001 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 2002 u8 old_mode, mode; 2003 2004 /* Enable voice digital filters */ 2005 twl4030_voice_enable(codec, substream->stream, 1); 2006 2007 /* bit rate */ 2008 old_mode = twl4030_read(codec, 2009 TWL4030_REG_CODEC_MODE) & ~TWL4030_CODECPDZ; 2010 mode = old_mode; 2011 2012 switch (params_rate(params)) { 2013 case 8000: 2014 mode &= ~(TWL4030_SEL_16K); 2015 break; 2016 case 16000: 2017 mode |= TWL4030_SEL_16K; 2018 break; 2019 default: 2020 dev_err(codec->dev, "%s: unknown rate %d\n", __func__, 2021 params_rate(params)); 2022 return -EINVAL; 2023 } 2024 2025 if (mode != old_mode) { 2026 if (twl4030->codec_powered) { 2027 /* 2028 * If the codec is powered, than we need to toggle the 2029 * codec power. 2030 */ 2031 twl4030_codec_enable(codec, 0); 2032 twl4030_write(codec, TWL4030_REG_CODEC_MODE, mode); 2033 twl4030_codec_enable(codec, 1); 2034 } else { 2035 twl4030_write(codec, TWL4030_REG_CODEC_MODE, mode); 2036 } 2037 } 2038 2039 return 0; 2040 } 2041 2042 static int twl4030_voice_set_dai_sysclk(struct snd_soc_dai *codec_dai, 2043 int clk_id, unsigned int freq, int dir) 2044 { 2045 struct snd_soc_codec *codec = codec_dai->codec; 2046 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 2047 2048 if (freq != 26000000) { 2049 dev_err(codec->dev, 2050 "%s: HFCLKIN is %u KHz, voice interface needs 26MHz\n", 2051 __func__, freq / 1000); 2052 return -EINVAL; 2053 } 2054 if ((freq / 1000) != twl4030->sysclk) { 2055 dev_err(codec->dev, 2056 "Mismatch in HFCLKIN: %u (configured: %u)\n", 2057 freq, twl4030->sysclk * 1000); 2058 return -EINVAL; 2059 } 2060 return 0; 2061 } 2062 2063 static int twl4030_voice_set_dai_fmt(struct snd_soc_dai *codec_dai, 2064 unsigned int fmt) 2065 { 2066 struct snd_soc_codec *codec = codec_dai->codec; 2067 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 2068 u8 old_format, format; 2069 2070 /* get format */ 2071 old_format = twl4030_read(codec, TWL4030_REG_VOICE_IF); 2072 format = old_format; 2073 2074 /* set master/slave audio interface */ 2075 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { 2076 case SND_SOC_DAIFMT_CBM_CFM: 2077 format &= ~(TWL4030_VIF_SLAVE_EN); 2078 break; 2079 case SND_SOC_DAIFMT_CBS_CFS: 2080 format |= TWL4030_VIF_SLAVE_EN; 2081 break; 2082 default: 2083 return -EINVAL; 2084 } 2085 2086 /* clock inversion */ 2087 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 2088 case SND_SOC_DAIFMT_IB_NF: 2089 format &= ~(TWL4030_VIF_FORMAT); 2090 break; 2091 case SND_SOC_DAIFMT_NB_IF: 2092 format |= TWL4030_VIF_FORMAT; 2093 break; 2094 default: 2095 return -EINVAL; 2096 } 2097 2098 if (format != old_format) { 2099 if (twl4030->codec_powered) { 2100 /* 2101 * If the codec is powered, than we need to toggle the 2102 * codec power. 2103 */ 2104 twl4030_codec_enable(codec, 0); 2105 twl4030_write(codec, TWL4030_REG_VOICE_IF, format); 2106 twl4030_codec_enable(codec, 1); 2107 } else { 2108 twl4030_write(codec, TWL4030_REG_VOICE_IF, format); 2109 } 2110 } 2111 2112 return 0; 2113 } 2114 2115 static int twl4030_voice_set_tristate(struct snd_soc_dai *dai, int tristate) 2116 { 2117 struct snd_soc_codec *codec = dai->codec; 2118 u8 reg = twl4030_read(codec, TWL4030_REG_VOICE_IF); 2119 2120 if (tristate) 2121 reg |= TWL4030_VIF_TRI_EN; 2122 else 2123 reg &= ~TWL4030_VIF_TRI_EN; 2124 2125 return twl4030_write(codec, TWL4030_REG_VOICE_IF, reg); 2126 } 2127 2128 #define TWL4030_RATES (SNDRV_PCM_RATE_8000_48000) 2129 #define TWL4030_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE) 2130 2131 static const struct snd_soc_dai_ops twl4030_dai_hifi_ops = { 2132 .startup = twl4030_startup, 2133 .shutdown = twl4030_shutdown, 2134 .hw_params = twl4030_hw_params, 2135 .set_sysclk = twl4030_set_dai_sysclk, 2136 .set_fmt = twl4030_set_dai_fmt, 2137 .set_tristate = twl4030_set_tristate, 2138 }; 2139 2140 static const struct snd_soc_dai_ops twl4030_dai_voice_ops = { 2141 .startup = twl4030_voice_startup, 2142 .shutdown = twl4030_voice_shutdown, 2143 .hw_params = twl4030_voice_hw_params, 2144 .set_sysclk = twl4030_voice_set_dai_sysclk, 2145 .set_fmt = twl4030_voice_set_dai_fmt, 2146 .set_tristate = twl4030_voice_set_tristate, 2147 }; 2148 2149 static struct snd_soc_dai_driver twl4030_dai[] = { 2150 { 2151 .name = "twl4030-hifi", 2152 .playback = { 2153 .stream_name = "HiFi Playback", 2154 .channels_min = 2, 2155 .channels_max = 4, 2156 .rates = TWL4030_RATES | SNDRV_PCM_RATE_96000, 2157 .formats = TWL4030_FORMATS, 2158 .sig_bits = 24,}, 2159 .capture = { 2160 .stream_name = "HiFi Capture", 2161 .channels_min = 2, 2162 .channels_max = 4, 2163 .rates = TWL4030_RATES, 2164 .formats = TWL4030_FORMATS, 2165 .sig_bits = 24,}, 2166 .ops = &twl4030_dai_hifi_ops, 2167 }, 2168 { 2169 .name = "twl4030-voice", 2170 .playback = { 2171 .stream_name = "Voice Playback", 2172 .channels_min = 1, 2173 .channels_max = 1, 2174 .rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000, 2175 .formats = SNDRV_PCM_FMTBIT_S16_LE,}, 2176 .capture = { 2177 .stream_name = "Voice Capture", 2178 .channels_min = 1, 2179 .channels_max = 2, 2180 .rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000, 2181 .formats = SNDRV_PCM_FMTBIT_S16_LE,}, 2182 .ops = &twl4030_dai_voice_ops, 2183 }, 2184 }; 2185 2186 static int twl4030_soc_probe(struct snd_soc_codec *codec) 2187 { 2188 struct twl4030_priv *twl4030; 2189 2190 twl4030 = devm_kzalloc(codec->dev, sizeof(struct twl4030_priv), 2191 GFP_KERNEL); 2192 if (twl4030 == NULL) { 2193 dev_err(codec->dev, "Can not allocate memory\n"); 2194 return -ENOMEM; 2195 } 2196 snd_soc_codec_set_drvdata(codec, twl4030); 2197 /* Set the defaults, and power up the codec */ 2198 twl4030->sysclk = twl4030_audio_get_mclk() / 1000; 2199 2200 twl4030_init_chip(codec); 2201 2202 return 0; 2203 } 2204 2205 static int twl4030_soc_remove(struct snd_soc_codec *codec) 2206 { 2207 struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec); 2208 struct twl4030_codec_data *pdata = twl4030->pdata; 2209 2210 twl4030_set_bias_level(codec, SND_SOC_BIAS_OFF); 2211 2212 if (pdata && pdata->hs_extmute && gpio_is_valid(pdata->hs_extmute_gpio)) 2213 gpio_free(pdata->hs_extmute_gpio); 2214 2215 return 0; 2216 } 2217 2218 static struct snd_soc_codec_driver soc_codec_dev_twl4030 = { 2219 .probe = twl4030_soc_probe, 2220 .remove = twl4030_soc_remove, 2221 .read = twl4030_read, 2222 .write = twl4030_write, 2223 .set_bias_level = twl4030_set_bias_level, 2224 .idle_bias_off = true, 2225 2226 .controls = twl4030_snd_controls, 2227 .num_controls = ARRAY_SIZE(twl4030_snd_controls), 2228 .dapm_widgets = twl4030_dapm_widgets, 2229 .num_dapm_widgets = ARRAY_SIZE(twl4030_dapm_widgets), 2230 .dapm_routes = intercon, 2231 .num_dapm_routes = ARRAY_SIZE(intercon), 2232 }; 2233 2234 static int twl4030_codec_probe(struct platform_device *pdev) 2235 { 2236 return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_twl4030, 2237 twl4030_dai, ARRAY_SIZE(twl4030_dai)); 2238 } 2239 2240 static int twl4030_codec_remove(struct platform_device *pdev) 2241 { 2242 snd_soc_unregister_codec(&pdev->dev); 2243 return 0; 2244 } 2245 2246 MODULE_ALIAS("platform:twl4030-codec"); 2247 2248 static struct platform_driver twl4030_codec_driver = { 2249 .probe = twl4030_codec_probe, 2250 .remove = twl4030_codec_remove, 2251 .driver = { 2252 .name = "twl4030-codec", 2253 .owner = THIS_MODULE, 2254 }, 2255 }; 2256 2257 module_platform_driver(twl4030_codec_driver); 2258 2259 MODULE_DESCRIPTION("ASoC TWL4030 codec driver"); 2260 MODULE_AUTHOR("Steve Sakoman"); 2261 MODULE_LICENSE("GPL"); 2262