1 /* 2 * ALSA SoC TWL6040 codec driver 3 * 4 * Author: Misael Lopez Cruz <x0052729@ti.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/platform_device.h> 28 #include <linux/slab.h> 29 #include <linux/mfd/twl6040.h> 30 31 #include <sound/core.h> 32 #include <sound/pcm.h> 33 #include <sound/pcm_params.h> 34 #include <sound/soc.h> 35 #include <sound/soc-dapm.h> 36 #include <sound/initval.h> 37 #include <sound/tlv.h> 38 39 #include "twl6040.h" 40 41 enum twl6040_dai_id { 42 TWL6040_DAI_LEGACY = 0, 43 TWL6040_DAI_UL, 44 TWL6040_DAI_DL1, 45 TWL6040_DAI_DL2, 46 TWL6040_DAI_VIB, 47 }; 48 49 #define TWL6040_RATES SNDRV_PCM_RATE_8000_96000 50 #define TWL6040_FORMATS (SNDRV_PCM_FMTBIT_S32_LE) 51 52 #define TWL6040_OUTHS_0dB 0x00 53 #define TWL6040_OUTHS_M30dB 0x0F 54 #define TWL6040_OUTHF_0dB 0x03 55 #define TWL6040_OUTHF_M52dB 0x1D 56 57 #define TWL6040_CACHEREGNUM (TWL6040_REG_STATUS + 1) 58 59 struct twl6040_jack_data { 60 struct snd_soc_jack *jack; 61 struct delayed_work work; 62 int report; 63 }; 64 65 /* codec private data */ 66 struct twl6040_data { 67 int plug_irq; 68 int codec_powered; 69 int pll; 70 int pll_power_mode; 71 int hs_power_mode; 72 int hs_power_mode_locked; 73 bool dl1_unmuted; 74 bool dl2_unmuted; 75 unsigned int clk_in; 76 unsigned int sysclk; 77 struct twl6040_jack_data hs_jack; 78 struct snd_soc_codec *codec; 79 struct mutex mutex; 80 }; 81 82 /* 83 * twl6040 register cache & default register settings 84 */ 85 static const u8 twl6040_reg[TWL6040_CACHEREGNUM] = { 86 0x00, /* not used 0x00 */ 87 0x4B, /* REG_ASICID 0x01 (ro) */ 88 0x00, /* REG_ASICREV 0x02 (ro) */ 89 0x00, /* REG_INTID 0x03 */ 90 0x00, /* REG_INTMR 0x04 */ 91 0x00, /* REG_NCPCTRL 0x05 */ 92 0x00, /* REG_LDOCTL 0x06 */ 93 0x60, /* REG_HPPLLCTL 0x07 */ 94 0x00, /* REG_LPPLLCTL 0x08 */ 95 0x4A, /* REG_LPPLLDIV 0x09 */ 96 0x00, /* REG_AMICBCTL 0x0A */ 97 0x00, /* REG_DMICBCTL 0x0B */ 98 0x00, /* REG_MICLCTL 0x0C */ 99 0x00, /* REG_MICRCTL 0x0D */ 100 0x00, /* REG_MICGAIN 0x0E */ 101 0x1B, /* REG_LINEGAIN 0x0F */ 102 0x00, /* REG_HSLCTL 0x10 */ 103 0x00, /* REG_HSRCTL 0x11 */ 104 0x00, /* REG_HSGAIN 0x12 */ 105 0x00, /* REG_EARCTL 0x13 */ 106 0x00, /* REG_HFLCTL 0x14 */ 107 0x00, /* REG_HFLGAIN 0x15 */ 108 0x00, /* REG_HFRCTL 0x16 */ 109 0x00, /* REG_HFRGAIN 0x17 */ 110 0x00, /* REG_VIBCTLL 0x18 */ 111 0x00, /* REG_VIBDATL 0x19 */ 112 0x00, /* REG_VIBCTLR 0x1A */ 113 0x00, /* REG_VIBDATR 0x1B */ 114 0x00, /* REG_HKCTL1 0x1C */ 115 0x00, /* REG_HKCTL2 0x1D */ 116 0x00, /* REG_GPOCTL 0x1E */ 117 0x00, /* REG_ALB 0x1F */ 118 0x00, /* REG_DLB 0x20 */ 119 0x00, /* not used 0x21 */ 120 0x00, /* not used 0x22 */ 121 0x00, /* not used 0x23 */ 122 0x00, /* not used 0x24 */ 123 0x00, /* not used 0x25 */ 124 0x00, /* not used 0x26 */ 125 0x00, /* not used 0x27 */ 126 0x00, /* REG_TRIM1 0x28 */ 127 0x00, /* REG_TRIM2 0x29 */ 128 0x00, /* REG_TRIM3 0x2A */ 129 0x00, /* REG_HSOTRIM 0x2B */ 130 0x00, /* REG_HFOTRIM 0x2C */ 131 0x09, /* REG_ACCCTL 0x2D */ 132 0x00, /* REG_STATUS 0x2E (ro) */ 133 }; 134 135 /* List of registers to be restored after power up */ 136 static const int twl6040_restore_list[] = { 137 TWL6040_REG_MICLCTL, 138 TWL6040_REG_MICRCTL, 139 TWL6040_REG_MICGAIN, 140 TWL6040_REG_LINEGAIN, 141 TWL6040_REG_HSLCTL, 142 TWL6040_REG_HSRCTL, 143 TWL6040_REG_HSGAIN, 144 TWL6040_REG_EARCTL, 145 TWL6040_REG_HFLCTL, 146 TWL6040_REG_HFLGAIN, 147 TWL6040_REG_HFRCTL, 148 TWL6040_REG_HFRGAIN, 149 }; 150 151 /* set of rates for each pll: low-power and high-performance */ 152 static unsigned int lp_rates[] = { 153 8000, 154 11250, 155 16000, 156 22500, 157 32000, 158 44100, 159 48000, 160 88200, 161 96000, 162 }; 163 164 static unsigned int hp_rates[] = { 165 8000, 166 16000, 167 32000, 168 48000, 169 96000, 170 }; 171 172 static struct snd_pcm_hw_constraint_list sysclk_constraints[] = { 173 { .count = ARRAY_SIZE(lp_rates), .list = lp_rates, }, 174 { .count = ARRAY_SIZE(hp_rates), .list = hp_rates, }, 175 }; 176 177 /* 178 * read twl6040 register cache 179 */ 180 static inline unsigned int twl6040_read_reg_cache(struct snd_soc_codec *codec, 181 unsigned int reg) 182 { 183 u8 *cache = codec->reg_cache; 184 185 if (reg >= TWL6040_CACHEREGNUM) 186 return -EIO; 187 188 return cache[reg]; 189 } 190 191 /* 192 * write twl6040 register cache 193 */ 194 static inline void twl6040_write_reg_cache(struct snd_soc_codec *codec, 195 u8 reg, u8 value) 196 { 197 u8 *cache = codec->reg_cache; 198 199 if (reg >= TWL6040_CACHEREGNUM) 200 return; 201 cache[reg] = value; 202 } 203 204 /* 205 * read from twl6040 hardware register 206 */ 207 static int twl6040_read_reg_volatile(struct snd_soc_codec *codec, 208 unsigned int reg) 209 { 210 struct twl6040 *twl6040 = codec->control_data; 211 u8 value; 212 213 if (reg >= TWL6040_CACHEREGNUM) 214 return -EIO; 215 216 value = twl6040_reg_read(twl6040, reg); 217 twl6040_write_reg_cache(codec, reg, value); 218 219 return value; 220 } 221 222 static bool twl6040_is_path_unmuted(struct snd_soc_codec *codec, 223 unsigned int reg) 224 { 225 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 226 227 switch (reg) { 228 case TWL6040_REG_HSLCTL: 229 case TWL6040_REG_HSRCTL: 230 case TWL6040_REG_EARCTL: 231 /* DL1 path */ 232 return priv->dl1_unmuted; 233 case TWL6040_REG_HFLCTL: 234 case TWL6040_REG_HFRCTL: 235 return priv->dl2_unmuted; 236 default: 237 return 1; 238 } 239 } 240 241 /* 242 * write to the twl6040 register space 243 */ 244 static int twl6040_write(struct snd_soc_codec *codec, 245 unsigned int reg, unsigned int value) 246 { 247 struct twl6040 *twl6040 = codec->control_data; 248 249 if (reg >= TWL6040_CACHEREGNUM) 250 return -EIO; 251 252 twl6040_write_reg_cache(codec, reg, value); 253 if (twl6040_is_path_unmuted(codec, reg)) 254 return twl6040_reg_write(twl6040, reg, value); 255 else 256 return 0; 257 } 258 259 static void twl6040_init_chip(struct snd_soc_codec *codec) 260 { 261 struct twl6040 *twl6040 = codec->control_data; 262 u8 val; 263 264 /* Update reg_cache: ASICREV, and TRIM values */ 265 val = twl6040_get_revid(twl6040); 266 twl6040_write_reg_cache(codec, TWL6040_REG_ASICREV, val); 267 268 twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM1); 269 twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM2); 270 twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM3); 271 twl6040_read_reg_volatile(codec, TWL6040_REG_HSOTRIM); 272 twl6040_read_reg_volatile(codec, TWL6040_REG_HFOTRIM); 273 274 /* Change chip defaults */ 275 /* No imput selected for microphone amplifiers */ 276 twl6040_write_reg_cache(codec, TWL6040_REG_MICLCTL, 0x18); 277 twl6040_write_reg_cache(codec, TWL6040_REG_MICRCTL, 0x18); 278 279 /* 280 * We need to lower the default gain values, so the ramp code 281 * can work correctly for the first playback. 282 * This reduces the pop noise heard at the first playback. 283 */ 284 twl6040_write_reg_cache(codec, TWL6040_REG_HSGAIN, 0xff); 285 twl6040_write_reg_cache(codec, TWL6040_REG_EARCTL, 0x1e); 286 twl6040_write_reg_cache(codec, TWL6040_REG_HFLGAIN, 0x1d); 287 twl6040_write_reg_cache(codec, TWL6040_REG_HFRGAIN, 0x1d); 288 twl6040_write_reg_cache(codec, TWL6040_REG_LINEGAIN, 0); 289 } 290 291 static void twl6040_restore_regs(struct snd_soc_codec *codec) 292 { 293 u8 *cache = codec->reg_cache; 294 int reg, i; 295 296 for (i = 0; i < ARRAY_SIZE(twl6040_restore_list); i++) { 297 reg = twl6040_restore_list[i]; 298 twl6040_write(codec, reg, cache[reg]); 299 } 300 } 301 302 /* set headset dac and driver power mode */ 303 static int headset_power_mode(struct snd_soc_codec *codec, int high_perf) 304 { 305 int hslctl, hsrctl; 306 int mask = TWL6040_HSDRVMODE | TWL6040_HSDACMODE; 307 308 hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL); 309 hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL); 310 311 if (high_perf) { 312 hslctl &= ~mask; 313 hsrctl &= ~mask; 314 } else { 315 hslctl |= mask; 316 hsrctl |= mask; 317 } 318 319 twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl); 320 twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl); 321 322 return 0; 323 } 324 325 static int twl6040_hs_dac_event(struct snd_soc_dapm_widget *w, 326 struct snd_kcontrol *kcontrol, int event) 327 { 328 struct snd_soc_codec *codec = w->codec; 329 u8 hslctl, hsrctl; 330 331 /* 332 * Workaround for Headset DC offset caused pop noise: 333 * Both HS DAC need to be turned on (before the HS driver) and off at 334 * the same time. 335 */ 336 hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL); 337 hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL); 338 if (SND_SOC_DAPM_EVENT_ON(event)) { 339 hslctl |= TWL6040_HSDACENA; 340 hsrctl |= TWL6040_HSDACENA; 341 } else { 342 hslctl &= ~TWL6040_HSDACENA; 343 hsrctl &= ~TWL6040_HSDACENA; 344 } 345 twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl); 346 twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl); 347 348 msleep(1); 349 return 0; 350 } 351 352 static int twl6040_ep_drv_event(struct snd_soc_dapm_widget *w, 353 struct snd_kcontrol *kcontrol, int event) 354 { 355 struct snd_soc_codec *codec = w->codec; 356 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 357 int ret = 0; 358 359 if (SND_SOC_DAPM_EVENT_ON(event)) { 360 /* Earphone doesn't support low power mode */ 361 priv->hs_power_mode_locked = 1; 362 ret = headset_power_mode(codec, 1); 363 } else { 364 priv->hs_power_mode_locked = 0; 365 ret = headset_power_mode(codec, priv->hs_power_mode); 366 } 367 368 msleep(1); 369 370 return ret; 371 } 372 373 static void twl6040_hs_jack_report(struct snd_soc_codec *codec, 374 struct snd_soc_jack *jack, int report) 375 { 376 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 377 int status; 378 379 mutex_lock(&priv->mutex); 380 381 /* Sync status */ 382 status = twl6040_read_reg_volatile(codec, TWL6040_REG_STATUS); 383 if (status & TWL6040_PLUGCOMP) 384 snd_soc_jack_report(jack, report, report); 385 else 386 snd_soc_jack_report(jack, 0, report); 387 388 mutex_unlock(&priv->mutex); 389 } 390 391 void twl6040_hs_jack_detect(struct snd_soc_codec *codec, 392 struct snd_soc_jack *jack, int report) 393 { 394 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 395 struct twl6040_jack_data *hs_jack = &priv->hs_jack; 396 397 hs_jack->jack = jack; 398 hs_jack->report = report; 399 400 twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report); 401 } 402 EXPORT_SYMBOL_GPL(twl6040_hs_jack_detect); 403 404 static void twl6040_accessory_work(struct work_struct *work) 405 { 406 struct twl6040_data *priv = container_of(work, 407 struct twl6040_data, hs_jack.work.work); 408 struct snd_soc_codec *codec = priv->codec; 409 struct twl6040_jack_data *hs_jack = &priv->hs_jack; 410 411 twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report); 412 } 413 414 /* audio interrupt handler */ 415 static irqreturn_t twl6040_audio_handler(int irq, void *data) 416 { 417 struct snd_soc_codec *codec = data; 418 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 419 420 queue_delayed_work(system_power_efficient_wq, 421 &priv->hs_jack.work, msecs_to_jiffies(200)); 422 423 return IRQ_HANDLED; 424 } 425 426 static int twl6040_soc_dapm_put_vibra_enum(struct snd_kcontrol *kcontrol, 427 struct snd_ctl_elem_value *ucontrol) 428 { 429 struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol); 430 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; 431 unsigned int val; 432 433 /* Do not allow changes while Input/FF efect is running */ 434 val = twl6040_read_reg_volatile(codec, e->reg); 435 if (val & TWL6040_VIBENA && !(val & TWL6040_VIBSEL)) 436 return -EBUSY; 437 438 return snd_soc_dapm_put_enum_double(kcontrol, ucontrol); 439 } 440 441 /* 442 * MICATT volume control: 443 * from -6 to 0 dB in 6 dB steps 444 */ 445 static DECLARE_TLV_DB_SCALE(mic_preamp_tlv, -600, 600, 0); 446 447 /* 448 * MICGAIN volume control: 449 * from 6 to 30 dB in 6 dB steps 450 */ 451 static DECLARE_TLV_DB_SCALE(mic_amp_tlv, 600, 600, 0); 452 453 /* 454 * AFMGAIN volume control: 455 * from -18 to 24 dB in 6 dB steps 456 */ 457 static DECLARE_TLV_DB_SCALE(afm_amp_tlv, -1800, 600, 0); 458 459 /* 460 * HSGAIN volume control: 461 * from -30 to 0 dB in 2 dB steps 462 */ 463 static DECLARE_TLV_DB_SCALE(hs_tlv, -3000, 200, 0); 464 465 /* 466 * HFGAIN volume control: 467 * from -52 to 6 dB in 2 dB steps 468 */ 469 static DECLARE_TLV_DB_SCALE(hf_tlv, -5200, 200, 0); 470 471 /* 472 * EPGAIN volume control: 473 * from -24 to 6 dB in 2 dB steps 474 */ 475 static DECLARE_TLV_DB_SCALE(ep_tlv, -2400, 200, 0); 476 477 /* Left analog microphone selection */ 478 static const char *twl6040_amicl_texts[] = 479 {"Headset Mic", "Main Mic", "Aux/FM Left", "Off"}; 480 481 /* Right analog microphone selection */ 482 static const char *twl6040_amicr_texts[] = 483 {"Headset Mic", "Sub Mic", "Aux/FM Right", "Off"}; 484 485 static const struct soc_enum twl6040_enum[] = { 486 SOC_ENUM_SINGLE(TWL6040_REG_MICLCTL, 3, 4, twl6040_amicl_texts), 487 SOC_ENUM_SINGLE(TWL6040_REG_MICRCTL, 3, 4, twl6040_amicr_texts), 488 }; 489 490 static const char *twl6040_hs_texts[] = { 491 "Off", "HS DAC", "Line-In amp" 492 }; 493 494 static const struct soc_enum twl6040_hs_enum[] = { 495 SOC_ENUM_SINGLE(TWL6040_REG_HSLCTL, 5, ARRAY_SIZE(twl6040_hs_texts), 496 twl6040_hs_texts), 497 SOC_ENUM_SINGLE(TWL6040_REG_HSRCTL, 5, ARRAY_SIZE(twl6040_hs_texts), 498 twl6040_hs_texts), 499 }; 500 501 static const char *twl6040_hf_texts[] = { 502 "Off", "HF DAC", "Line-In amp" 503 }; 504 505 static const struct soc_enum twl6040_hf_enum[] = { 506 SOC_ENUM_SINGLE(TWL6040_REG_HFLCTL, 2, ARRAY_SIZE(twl6040_hf_texts), 507 twl6040_hf_texts), 508 SOC_ENUM_SINGLE(TWL6040_REG_HFRCTL, 2, ARRAY_SIZE(twl6040_hf_texts), 509 twl6040_hf_texts), 510 }; 511 512 static const char *twl6040_vibrapath_texts[] = { 513 "Input FF", "Audio PDM" 514 }; 515 516 static const struct soc_enum twl6040_vibra_enum[] = { 517 SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLL, 1, 518 ARRAY_SIZE(twl6040_vibrapath_texts), 519 twl6040_vibrapath_texts), 520 SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLR, 1, 521 ARRAY_SIZE(twl6040_vibrapath_texts), 522 twl6040_vibrapath_texts), 523 }; 524 525 static const struct snd_kcontrol_new amicl_control = 526 SOC_DAPM_ENUM("Route", twl6040_enum[0]); 527 528 static const struct snd_kcontrol_new amicr_control = 529 SOC_DAPM_ENUM("Route", twl6040_enum[1]); 530 531 /* Headset DAC playback switches */ 532 static const struct snd_kcontrol_new hsl_mux_controls = 533 SOC_DAPM_ENUM("Route", twl6040_hs_enum[0]); 534 535 static const struct snd_kcontrol_new hsr_mux_controls = 536 SOC_DAPM_ENUM("Route", twl6040_hs_enum[1]); 537 538 /* Handsfree DAC playback switches */ 539 static const struct snd_kcontrol_new hfl_mux_controls = 540 SOC_DAPM_ENUM("Route", twl6040_hf_enum[0]); 541 542 static const struct snd_kcontrol_new hfr_mux_controls = 543 SOC_DAPM_ENUM("Route", twl6040_hf_enum[1]); 544 545 static const struct snd_kcontrol_new ep_path_enable_control = 546 SOC_DAPM_SINGLE_VIRT("Switch", 1); 547 548 static const struct snd_kcontrol_new auxl_switch_control = 549 SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFLCTL, 6, 1, 0); 550 551 static const struct snd_kcontrol_new auxr_switch_control = 552 SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFRCTL, 6, 1, 0); 553 554 /* Vibra playback switches */ 555 static const struct snd_kcontrol_new vibral_mux_controls = 556 SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[0], 557 snd_soc_dapm_get_enum_double, 558 twl6040_soc_dapm_put_vibra_enum); 559 560 static const struct snd_kcontrol_new vibrar_mux_controls = 561 SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[1], 562 snd_soc_dapm_get_enum_double, 563 twl6040_soc_dapm_put_vibra_enum); 564 565 /* Headset power mode */ 566 static const char *twl6040_power_mode_texts[] = { 567 "Low-Power", "High-Performance", 568 }; 569 570 static const struct soc_enum twl6040_power_mode_enum = 571 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(twl6040_power_mode_texts), 572 twl6040_power_mode_texts); 573 574 static int twl6040_headset_power_get_enum(struct snd_kcontrol *kcontrol, 575 struct snd_ctl_elem_value *ucontrol) 576 { 577 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 578 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 579 580 ucontrol->value.enumerated.item[0] = priv->hs_power_mode; 581 582 return 0; 583 } 584 585 static int twl6040_headset_power_put_enum(struct snd_kcontrol *kcontrol, 586 struct snd_ctl_elem_value *ucontrol) 587 { 588 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 589 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 590 int high_perf = ucontrol->value.enumerated.item[0]; 591 int ret = 0; 592 593 if (!priv->hs_power_mode_locked) 594 ret = headset_power_mode(codec, high_perf); 595 596 if (!ret) 597 priv->hs_power_mode = high_perf; 598 599 return ret; 600 } 601 602 static int twl6040_pll_get_enum(struct snd_kcontrol *kcontrol, 603 struct snd_ctl_elem_value *ucontrol) 604 { 605 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 606 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 607 608 ucontrol->value.enumerated.item[0] = priv->pll_power_mode; 609 610 return 0; 611 } 612 613 static int twl6040_pll_put_enum(struct snd_kcontrol *kcontrol, 614 struct snd_ctl_elem_value *ucontrol) 615 { 616 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 617 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 618 619 priv->pll_power_mode = ucontrol->value.enumerated.item[0]; 620 621 return 0; 622 } 623 624 int twl6040_get_dl1_gain(struct snd_soc_codec *codec) 625 { 626 struct snd_soc_dapm_context *dapm = &codec->dapm; 627 628 if (snd_soc_dapm_get_pin_status(dapm, "EP")) 629 return -1; /* -1dB */ 630 631 if (snd_soc_dapm_get_pin_status(dapm, "HSOR") || 632 snd_soc_dapm_get_pin_status(dapm, "HSOL")) { 633 634 u8 val = snd_soc_read(codec, TWL6040_REG_HSLCTL); 635 if (val & TWL6040_HSDACMODE) 636 /* HSDACL in LP mode */ 637 return -8; /* -8dB */ 638 else 639 /* HSDACL in HP mode */ 640 return -1; /* -1dB */ 641 } 642 return 0; /* 0dB */ 643 } 644 EXPORT_SYMBOL_GPL(twl6040_get_dl1_gain); 645 646 int twl6040_get_clk_id(struct snd_soc_codec *codec) 647 { 648 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 649 650 return priv->pll_power_mode; 651 } 652 EXPORT_SYMBOL_GPL(twl6040_get_clk_id); 653 654 int twl6040_get_trim_value(struct snd_soc_codec *codec, enum twl6040_trim trim) 655 { 656 if (unlikely(trim >= TWL6040_TRIM_INVAL)) 657 return -EINVAL; 658 659 return twl6040_read_reg_cache(codec, TWL6040_REG_TRIM1 + trim); 660 } 661 EXPORT_SYMBOL_GPL(twl6040_get_trim_value); 662 663 int twl6040_get_hs_step_size(struct snd_soc_codec *codec) 664 { 665 struct twl6040 *twl6040 = codec->control_data; 666 667 if (twl6040_get_revid(twl6040) < TWL6040_REV_ES1_3) 668 /* For ES under ES_1.3 HS step is 2 mV */ 669 return 2; 670 else 671 /* For ES_1.3 HS step is 1 mV */ 672 return 1; 673 } 674 EXPORT_SYMBOL_GPL(twl6040_get_hs_step_size); 675 676 static const struct snd_kcontrol_new twl6040_snd_controls[] = { 677 /* Capture gains */ 678 SOC_DOUBLE_TLV("Capture Preamplifier Volume", 679 TWL6040_REG_MICGAIN, 6, 7, 1, 1, mic_preamp_tlv), 680 SOC_DOUBLE_TLV("Capture Volume", 681 TWL6040_REG_MICGAIN, 0, 3, 4, 0, mic_amp_tlv), 682 683 /* AFM gains */ 684 SOC_DOUBLE_TLV("Aux FM Volume", 685 TWL6040_REG_LINEGAIN, 0, 3, 7, 0, afm_amp_tlv), 686 687 /* Playback gains */ 688 SOC_DOUBLE_TLV("Headset Playback Volume", 689 TWL6040_REG_HSGAIN, 0, 4, 0xF, 1, hs_tlv), 690 SOC_DOUBLE_R_TLV("Handsfree Playback Volume", 691 TWL6040_REG_HFLGAIN, TWL6040_REG_HFRGAIN, 0, 0x1D, 1, hf_tlv), 692 SOC_SINGLE_TLV("Earphone Playback Volume", 693 TWL6040_REG_EARCTL, 1, 0xF, 1, ep_tlv), 694 695 SOC_ENUM_EXT("Headset Power Mode", twl6040_power_mode_enum, 696 twl6040_headset_power_get_enum, 697 twl6040_headset_power_put_enum), 698 699 SOC_ENUM_EXT("PLL Selection", twl6040_power_mode_enum, 700 twl6040_pll_get_enum, twl6040_pll_put_enum), 701 }; 702 703 static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = { 704 /* Inputs */ 705 SND_SOC_DAPM_INPUT("MAINMIC"), 706 SND_SOC_DAPM_INPUT("HSMIC"), 707 SND_SOC_DAPM_INPUT("SUBMIC"), 708 SND_SOC_DAPM_INPUT("AFML"), 709 SND_SOC_DAPM_INPUT("AFMR"), 710 711 /* Outputs */ 712 SND_SOC_DAPM_OUTPUT("HSOL"), 713 SND_SOC_DAPM_OUTPUT("HSOR"), 714 SND_SOC_DAPM_OUTPUT("HFL"), 715 SND_SOC_DAPM_OUTPUT("HFR"), 716 SND_SOC_DAPM_OUTPUT("EP"), 717 SND_SOC_DAPM_OUTPUT("AUXL"), 718 SND_SOC_DAPM_OUTPUT("AUXR"), 719 SND_SOC_DAPM_OUTPUT("VIBRAL"), 720 SND_SOC_DAPM_OUTPUT("VIBRAR"), 721 722 /* Analog input muxes for the capture amplifiers */ 723 SND_SOC_DAPM_MUX("Analog Left Capture Route", 724 SND_SOC_NOPM, 0, 0, &amicl_control), 725 SND_SOC_DAPM_MUX("Analog Right Capture Route", 726 SND_SOC_NOPM, 0, 0, &amicr_control), 727 728 /* Analog capture PGAs */ 729 SND_SOC_DAPM_PGA("MicAmpL", 730 TWL6040_REG_MICLCTL, 0, 0, NULL, 0), 731 SND_SOC_DAPM_PGA("MicAmpR", 732 TWL6040_REG_MICRCTL, 0, 0, NULL, 0), 733 734 /* Auxiliary FM PGAs */ 735 SND_SOC_DAPM_PGA("AFMAmpL", 736 TWL6040_REG_MICLCTL, 1, 0, NULL, 0), 737 SND_SOC_DAPM_PGA("AFMAmpR", 738 TWL6040_REG_MICRCTL, 1, 0, NULL, 0), 739 740 /* ADCs */ 741 SND_SOC_DAPM_ADC("ADC Left", NULL, TWL6040_REG_MICLCTL, 2, 0), 742 SND_SOC_DAPM_ADC("ADC Right", NULL, TWL6040_REG_MICRCTL, 2, 0), 743 744 /* Microphone bias */ 745 SND_SOC_DAPM_SUPPLY("Headset Mic Bias", 746 TWL6040_REG_AMICBCTL, 0, 0, NULL, 0), 747 SND_SOC_DAPM_SUPPLY("Main Mic Bias", 748 TWL6040_REG_AMICBCTL, 4, 0, NULL, 0), 749 SND_SOC_DAPM_SUPPLY("Digital Mic1 Bias", 750 TWL6040_REG_DMICBCTL, 0, 0, NULL, 0), 751 SND_SOC_DAPM_SUPPLY("Digital Mic2 Bias", 752 TWL6040_REG_DMICBCTL, 4, 0, NULL, 0), 753 754 /* DACs */ 755 SND_SOC_DAPM_DAC("HSDAC Left", NULL, SND_SOC_NOPM, 0, 0), 756 SND_SOC_DAPM_DAC("HSDAC Right", NULL, SND_SOC_NOPM, 0, 0), 757 SND_SOC_DAPM_DAC("HFDAC Left", NULL, TWL6040_REG_HFLCTL, 0, 0), 758 SND_SOC_DAPM_DAC("HFDAC Right", NULL, TWL6040_REG_HFRCTL, 0, 0), 759 /* Virtual DAC for vibra path (DL4 channel) */ 760 SND_SOC_DAPM_DAC("VIBRA DAC", NULL, SND_SOC_NOPM, 0, 0), 761 762 SND_SOC_DAPM_MUX("Handsfree Left Playback", 763 SND_SOC_NOPM, 0, 0, &hfl_mux_controls), 764 SND_SOC_DAPM_MUX("Handsfree Right Playback", 765 SND_SOC_NOPM, 0, 0, &hfr_mux_controls), 766 /* Analog playback Muxes */ 767 SND_SOC_DAPM_MUX("Headset Left Playback", 768 SND_SOC_NOPM, 0, 0, &hsl_mux_controls), 769 SND_SOC_DAPM_MUX("Headset Right Playback", 770 SND_SOC_NOPM, 0, 0, &hsr_mux_controls), 771 772 SND_SOC_DAPM_MUX("Vibra Left Playback", SND_SOC_NOPM, 0, 0, 773 &vibral_mux_controls), 774 SND_SOC_DAPM_MUX("Vibra Right Playback", SND_SOC_NOPM, 0, 0, 775 &vibrar_mux_controls), 776 777 SND_SOC_DAPM_SWITCH("Earphone Playback", SND_SOC_NOPM, 0, 0, 778 &ep_path_enable_control), 779 SND_SOC_DAPM_SWITCH("AUXL Playback", SND_SOC_NOPM, 0, 0, 780 &auxl_switch_control), 781 SND_SOC_DAPM_SWITCH("AUXR Playback", SND_SOC_NOPM, 0, 0, 782 &auxr_switch_control), 783 784 /* Analog playback drivers */ 785 SND_SOC_DAPM_OUT_DRV("HF Left Driver", 786 TWL6040_REG_HFLCTL, 4, 0, NULL, 0), 787 SND_SOC_DAPM_OUT_DRV("HF Right Driver", 788 TWL6040_REG_HFRCTL, 4, 0, NULL, 0), 789 SND_SOC_DAPM_OUT_DRV("HS Left Driver", 790 TWL6040_REG_HSLCTL, 2, 0, NULL, 0), 791 SND_SOC_DAPM_OUT_DRV("HS Right Driver", 792 TWL6040_REG_HSRCTL, 2, 0, NULL, 0), 793 SND_SOC_DAPM_OUT_DRV_E("Earphone Driver", 794 TWL6040_REG_EARCTL, 0, 0, NULL, 0, 795 twl6040_ep_drv_event, 796 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 797 SND_SOC_DAPM_OUT_DRV("Vibra Left Driver", 798 TWL6040_REG_VIBCTLL, 0, 0, NULL, 0), 799 SND_SOC_DAPM_OUT_DRV("Vibra Right Driver", 800 TWL6040_REG_VIBCTLR, 0, 0, NULL, 0), 801 802 SND_SOC_DAPM_SUPPLY("Vibra Left Control", TWL6040_REG_VIBCTLL, 2, 0, 803 NULL, 0), 804 SND_SOC_DAPM_SUPPLY("Vibra Right Control", TWL6040_REG_VIBCTLR, 2, 0, 805 NULL, 0), 806 SND_SOC_DAPM_SUPPLY_S("HSDAC Power", 1, SND_SOC_NOPM, 0, 0, 807 twl6040_hs_dac_event, 808 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), 809 810 /* Analog playback PGAs */ 811 SND_SOC_DAPM_PGA("HF Left PGA", 812 TWL6040_REG_HFLCTL, 1, 0, NULL, 0), 813 SND_SOC_DAPM_PGA("HF Right PGA", 814 TWL6040_REG_HFRCTL, 1, 0, NULL, 0), 815 816 }; 817 818 static const struct snd_soc_dapm_route intercon[] = { 819 /* Stream -> DAC mapping */ 820 {"HSDAC Left", NULL, "Legacy Playback"}, 821 {"HSDAC Left", NULL, "Headset Playback"}, 822 {"HSDAC Right", NULL, "Legacy Playback"}, 823 {"HSDAC Right", NULL, "Headset Playback"}, 824 825 {"HFDAC Left", NULL, "Legacy Playback"}, 826 {"HFDAC Left", NULL, "Handsfree Playback"}, 827 {"HFDAC Right", NULL, "Legacy Playback"}, 828 {"HFDAC Right", NULL, "Handsfree Playback"}, 829 830 {"VIBRA DAC", NULL, "Legacy Playback"}, 831 {"VIBRA DAC", NULL, "Vibra Playback"}, 832 833 /* ADC -> Stream mapping */ 834 {"Legacy Capture" , NULL, "ADC Left"}, 835 {"Capture", NULL, "ADC Left"}, 836 {"Legacy Capture", NULL, "ADC Right"}, 837 {"Capture" , NULL, "ADC Right"}, 838 839 /* Capture path */ 840 {"Analog Left Capture Route", "Headset Mic", "HSMIC"}, 841 {"Analog Left Capture Route", "Main Mic", "MAINMIC"}, 842 {"Analog Left Capture Route", "Aux/FM Left", "AFML"}, 843 844 {"Analog Right Capture Route", "Headset Mic", "HSMIC"}, 845 {"Analog Right Capture Route", "Sub Mic", "SUBMIC"}, 846 {"Analog Right Capture Route", "Aux/FM Right", "AFMR"}, 847 848 {"MicAmpL", NULL, "Analog Left Capture Route"}, 849 {"MicAmpR", NULL, "Analog Right Capture Route"}, 850 851 {"ADC Left", NULL, "MicAmpL"}, 852 {"ADC Right", NULL, "MicAmpR"}, 853 854 /* AFM path */ 855 {"AFMAmpL", NULL, "AFML"}, 856 {"AFMAmpR", NULL, "AFMR"}, 857 858 {"HSDAC Left", NULL, "HSDAC Power"}, 859 {"HSDAC Right", NULL, "HSDAC Power"}, 860 861 {"Headset Left Playback", "HS DAC", "HSDAC Left"}, 862 {"Headset Left Playback", "Line-In amp", "AFMAmpL"}, 863 864 {"Headset Right Playback", "HS DAC", "HSDAC Right"}, 865 {"Headset Right Playback", "Line-In amp", "AFMAmpR"}, 866 867 {"HS Left Driver", NULL, "Headset Left Playback"}, 868 {"HS Right Driver", NULL, "Headset Right Playback"}, 869 870 {"HSOL", NULL, "HS Left Driver"}, 871 {"HSOR", NULL, "HS Right Driver"}, 872 873 /* Earphone playback path */ 874 {"Earphone Playback", "Switch", "HSDAC Left"}, 875 {"Earphone Driver", NULL, "Earphone Playback"}, 876 {"EP", NULL, "Earphone Driver"}, 877 878 {"Handsfree Left Playback", "HF DAC", "HFDAC Left"}, 879 {"Handsfree Left Playback", "Line-In amp", "AFMAmpL"}, 880 881 {"Handsfree Right Playback", "HF DAC", "HFDAC Right"}, 882 {"Handsfree Right Playback", "Line-In amp", "AFMAmpR"}, 883 884 {"HF Left PGA", NULL, "Handsfree Left Playback"}, 885 {"HF Right PGA", NULL, "Handsfree Right Playback"}, 886 887 {"HF Left Driver", NULL, "HF Left PGA"}, 888 {"HF Right Driver", NULL, "HF Right PGA"}, 889 890 {"HFL", NULL, "HF Left Driver"}, 891 {"HFR", NULL, "HF Right Driver"}, 892 893 {"AUXL Playback", "Switch", "HF Left PGA"}, 894 {"AUXR Playback", "Switch", "HF Right PGA"}, 895 896 {"AUXL", NULL, "AUXL Playback"}, 897 {"AUXR", NULL, "AUXR Playback"}, 898 899 /* Vibrator paths */ 900 {"Vibra Left Playback", "Audio PDM", "VIBRA DAC"}, 901 {"Vibra Right Playback", "Audio PDM", "VIBRA DAC"}, 902 903 {"Vibra Left Driver", NULL, "Vibra Left Playback"}, 904 {"Vibra Right Driver", NULL, "Vibra Right Playback"}, 905 {"Vibra Left Driver", NULL, "Vibra Left Control"}, 906 {"Vibra Right Driver", NULL, "Vibra Right Control"}, 907 908 {"VIBRAL", NULL, "Vibra Left Driver"}, 909 {"VIBRAR", NULL, "Vibra Right Driver"}, 910 }; 911 912 static int twl6040_set_bias_level(struct snd_soc_codec *codec, 913 enum snd_soc_bias_level level) 914 { 915 struct twl6040 *twl6040 = codec->control_data; 916 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 917 int ret; 918 919 switch (level) { 920 case SND_SOC_BIAS_ON: 921 break; 922 case SND_SOC_BIAS_PREPARE: 923 break; 924 case SND_SOC_BIAS_STANDBY: 925 if (priv->codec_powered) 926 break; 927 928 ret = twl6040_power(twl6040, 1); 929 if (ret) 930 return ret; 931 932 priv->codec_powered = 1; 933 934 twl6040_restore_regs(codec); 935 936 /* Set external boost GPO */ 937 twl6040_write(codec, TWL6040_REG_GPOCTL, 0x02); 938 break; 939 case SND_SOC_BIAS_OFF: 940 if (!priv->codec_powered) 941 break; 942 943 twl6040_power(twl6040, 0); 944 priv->codec_powered = 0; 945 break; 946 } 947 948 codec->dapm.bias_level = level; 949 950 return 0; 951 } 952 953 static int twl6040_startup(struct snd_pcm_substream *substream, 954 struct snd_soc_dai *dai) 955 { 956 struct snd_soc_codec *codec = dai->codec; 957 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 958 959 snd_pcm_hw_constraint_list(substream->runtime, 0, 960 SNDRV_PCM_HW_PARAM_RATE, 961 &sysclk_constraints[priv->pll_power_mode]); 962 963 return 0; 964 } 965 966 static int twl6040_hw_params(struct snd_pcm_substream *substream, 967 struct snd_pcm_hw_params *params, 968 struct snd_soc_dai *dai) 969 { 970 struct snd_soc_codec *codec = dai->codec; 971 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 972 int rate; 973 974 rate = params_rate(params); 975 switch (rate) { 976 case 11250: 977 case 22500: 978 case 44100: 979 case 88200: 980 /* These rates are not supported when HPPLL is in use */ 981 if (unlikely(priv->pll == TWL6040_SYSCLK_SEL_HPPLL)) { 982 dev_err(codec->dev, "HPPLL does not support rate %d\n", 983 rate); 984 return -EINVAL; 985 } 986 priv->sysclk = 17640000; 987 break; 988 case 8000: 989 case 16000: 990 case 32000: 991 case 48000: 992 case 96000: 993 priv->sysclk = 19200000; 994 break; 995 default: 996 dev_err(codec->dev, "unsupported rate %d\n", rate); 997 return -EINVAL; 998 } 999 1000 return 0; 1001 } 1002 1003 static int twl6040_prepare(struct snd_pcm_substream *substream, 1004 struct snd_soc_dai *dai) 1005 { 1006 struct snd_soc_codec *codec = dai->codec; 1007 struct twl6040 *twl6040 = codec->control_data; 1008 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 1009 int ret; 1010 1011 if (!priv->sysclk) { 1012 dev_err(codec->dev, 1013 "no mclk configured, call set_sysclk() on init\n"); 1014 return -EINVAL; 1015 } 1016 1017 ret = twl6040_set_pll(twl6040, priv->pll, priv->clk_in, priv->sysclk); 1018 if (ret) { 1019 dev_err(codec->dev, "Can not set PLL (%d)\n", ret); 1020 return -EPERM; 1021 } 1022 1023 return 0; 1024 } 1025 1026 static int twl6040_set_dai_sysclk(struct snd_soc_dai *codec_dai, 1027 int clk_id, unsigned int freq, int dir) 1028 { 1029 struct snd_soc_codec *codec = codec_dai->codec; 1030 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 1031 1032 switch (clk_id) { 1033 case TWL6040_SYSCLK_SEL_LPPLL: 1034 case TWL6040_SYSCLK_SEL_HPPLL: 1035 priv->pll = clk_id; 1036 priv->clk_in = freq; 1037 break; 1038 default: 1039 dev_err(codec->dev, "unknown clk_id %d\n", clk_id); 1040 return -EINVAL; 1041 } 1042 1043 return 0; 1044 } 1045 1046 static void twl6040_mute_path(struct snd_soc_codec *codec, enum twl6040_dai_id id, 1047 int mute) 1048 { 1049 struct twl6040 *twl6040 = codec->control_data; 1050 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 1051 int hslctl, hsrctl, earctl; 1052 int hflctl, hfrctl; 1053 1054 switch (id) { 1055 case TWL6040_DAI_DL1: 1056 hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL); 1057 hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL); 1058 earctl = twl6040_read_reg_cache(codec, TWL6040_REG_EARCTL); 1059 1060 if (mute) { 1061 /* Power down drivers and DACs */ 1062 earctl &= ~0x01; 1063 hslctl &= ~(TWL6040_HSDRVENA | TWL6040_HSDACENA); 1064 hsrctl &= ~(TWL6040_HSDRVENA | TWL6040_HSDACENA); 1065 1066 } 1067 1068 twl6040_reg_write(twl6040, TWL6040_REG_EARCTL, earctl); 1069 twl6040_reg_write(twl6040, TWL6040_REG_HSLCTL, hslctl); 1070 twl6040_reg_write(twl6040, TWL6040_REG_HSRCTL, hsrctl); 1071 priv->dl1_unmuted = !mute; 1072 break; 1073 case TWL6040_DAI_DL2: 1074 hflctl = twl6040_read_reg_cache(codec, TWL6040_REG_HFLCTL); 1075 hfrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HFRCTL); 1076 1077 if (mute) { 1078 /* Power down drivers and DACs */ 1079 hflctl &= ~(TWL6040_HFDACENA | TWL6040_HFPGAENA | 1080 TWL6040_HFDRVENA); 1081 hfrctl &= ~(TWL6040_HFDACENA | TWL6040_HFPGAENA | 1082 TWL6040_HFDRVENA); 1083 } 1084 1085 twl6040_reg_write(twl6040, TWL6040_REG_HFLCTL, hflctl); 1086 twl6040_reg_write(twl6040, TWL6040_REG_HFRCTL, hfrctl); 1087 priv->dl2_unmuted = !mute; 1088 break; 1089 default: 1090 break; 1091 } 1092 } 1093 1094 static int twl6040_digital_mute(struct snd_soc_dai *dai, int mute) 1095 { 1096 switch (dai->id) { 1097 case TWL6040_DAI_LEGACY: 1098 twl6040_mute_path(dai->codec, TWL6040_DAI_DL1, mute); 1099 twl6040_mute_path(dai->codec, TWL6040_DAI_DL2, mute); 1100 break; 1101 case TWL6040_DAI_DL1: 1102 case TWL6040_DAI_DL2: 1103 twl6040_mute_path(dai->codec, dai->id, mute); 1104 break; 1105 default: 1106 break; 1107 } 1108 1109 return 0; 1110 } 1111 1112 static const struct snd_soc_dai_ops twl6040_dai_ops = { 1113 .startup = twl6040_startup, 1114 .hw_params = twl6040_hw_params, 1115 .prepare = twl6040_prepare, 1116 .set_sysclk = twl6040_set_dai_sysclk, 1117 .digital_mute = twl6040_digital_mute, 1118 }; 1119 1120 static struct snd_soc_dai_driver twl6040_dai[] = { 1121 { 1122 .name = "twl6040-legacy", 1123 .id = TWL6040_DAI_LEGACY, 1124 .playback = { 1125 .stream_name = "Legacy Playback", 1126 .channels_min = 1, 1127 .channels_max = 5, 1128 .rates = TWL6040_RATES, 1129 .formats = TWL6040_FORMATS, 1130 }, 1131 .capture = { 1132 .stream_name = "Legacy Capture", 1133 .channels_min = 1, 1134 .channels_max = 2, 1135 .rates = TWL6040_RATES, 1136 .formats = TWL6040_FORMATS, 1137 }, 1138 .ops = &twl6040_dai_ops, 1139 }, 1140 { 1141 .name = "twl6040-ul", 1142 .id = TWL6040_DAI_UL, 1143 .capture = { 1144 .stream_name = "Capture", 1145 .channels_min = 1, 1146 .channels_max = 2, 1147 .rates = TWL6040_RATES, 1148 .formats = TWL6040_FORMATS, 1149 }, 1150 .ops = &twl6040_dai_ops, 1151 }, 1152 { 1153 .name = "twl6040-dl1", 1154 .id = TWL6040_DAI_DL1, 1155 .playback = { 1156 .stream_name = "Headset Playback", 1157 .channels_min = 1, 1158 .channels_max = 2, 1159 .rates = TWL6040_RATES, 1160 .formats = TWL6040_FORMATS, 1161 }, 1162 .ops = &twl6040_dai_ops, 1163 }, 1164 { 1165 .name = "twl6040-dl2", 1166 .id = TWL6040_DAI_DL2, 1167 .playback = { 1168 .stream_name = "Handsfree Playback", 1169 .channels_min = 1, 1170 .channels_max = 2, 1171 .rates = TWL6040_RATES, 1172 .formats = TWL6040_FORMATS, 1173 }, 1174 .ops = &twl6040_dai_ops, 1175 }, 1176 { 1177 .name = "twl6040-vib", 1178 .id = TWL6040_DAI_VIB, 1179 .playback = { 1180 .stream_name = "Vibra Playback", 1181 .channels_min = 1, 1182 .channels_max = 1, 1183 .rates = SNDRV_PCM_RATE_CONTINUOUS, 1184 .formats = TWL6040_FORMATS, 1185 }, 1186 .ops = &twl6040_dai_ops, 1187 }, 1188 }; 1189 1190 #ifdef CONFIG_PM 1191 static int twl6040_suspend(struct snd_soc_codec *codec) 1192 { 1193 twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF); 1194 1195 return 0; 1196 } 1197 1198 static int twl6040_resume(struct snd_soc_codec *codec) 1199 { 1200 twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY); 1201 1202 return 0; 1203 } 1204 #else 1205 #define twl6040_suspend NULL 1206 #define twl6040_resume NULL 1207 #endif 1208 1209 static int twl6040_probe(struct snd_soc_codec *codec) 1210 { 1211 struct twl6040_data *priv; 1212 struct platform_device *pdev = container_of(codec->dev, 1213 struct platform_device, dev); 1214 int ret = 0; 1215 1216 priv = devm_kzalloc(codec->dev, sizeof(*priv), GFP_KERNEL); 1217 if (priv == NULL) 1218 return -ENOMEM; 1219 1220 snd_soc_codec_set_drvdata(codec, priv); 1221 1222 priv->codec = codec; 1223 codec->control_data = dev_get_drvdata(codec->dev->parent); 1224 1225 priv->plug_irq = platform_get_irq(pdev, 0); 1226 if (priv->plug_irq < 0) { 1227 dev_err(codec->dev, "invalid irq\n"); 1228 return -EINVAL; 1229 } 1230 1231 INIT_DELAYED_WORK(&priv->hs_jack.work, twl6040_accessory_work); 1232 1233 mutex_init(&priv->mutex); 1234 1235 ret = request_threaded_irq(priv->plug_irq, NULL, 1236 twl6040_audio_handler, IRQF_NO_SUSPEND, 1237 "twl6040_irq_plug", codec); 1238 if (ret) { 1239 dev_err(codec->dev, "PLUG IRQ request failed: %d\n", ret); 1240 return ret; 1241 } 1242 1243 twl6040_init_chip(codec); 1244 1245 /* power on device */ 1246 return twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY); 1247 } 1248 1249 static int twl6040_remove(struct snd_soc_codec *codec) 1250 { 1251 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 1252 1253 free_irq(priv->plug_irq, codec); 1254 twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF); 1255 1256 return 0; 1257 } 1258 1259 static struct snd_soc_codec_driver soc_codec_dev_twl6040 = { 1260 .probe = twl6040_probe, 1261 .remove = twl6040_remove, 1262 .suspend = twl6040_suspend, 1263 .resume = twl6040_resume, 1264 .read = twl6040_read_reg_cache, 1265 .write = twl6040_write, 1266 .set_bias_level = twl6040_set_bias_level, 1267 .reg_cache_size = ARRAY_SIZE(twl6040_reg), 1268 .reg_word_size = sizeof(u8), 1269 .reg_cache_default = twl6040_reg, 1270 .ignore_pmdown_time = true, 1271 1272 .controls = twl6040_snd_controls, 1273 .num_controls = ARRAY_SIZE(twl6040_snd_controls), 1274 .dapm_widgets = twl6040_dapm_widgets, 1275 .num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets), 1276 .dapm_routes = intercon, 1277 .num_dapm_routes = ARRAY_SIZE(intercon), 1278 }; 1279 1280 static int twl6040_codec_probe(struct platform_device *pdev) 1281 { 1282 return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_twl6040, 1283 twl6040_dai, ARRAY_SIZE(twl6040_dai)); 1284 } 1285 1286 static int twl6040_codec_remove(struct platform_device *pdev) 1287 { 1288 snd_soc_unregister_codec(&pdev->dev); 1289 return 0; 1290 } 1291 1292 static struct platform_driver twl6040_codec_driver = { 1293 .driver = { 1294 .name = "twl6040-codec", 1295 .owner = THIS_MODULE, 1296 }, 1297 .probe = twl6040_codec_probe, 1298 .remove = twl6040_codec_remove, 1299 }; 1300 1301 module_platform_driver(twl6040_codec_driver); 1302 1303 MODULE_DESCRIPTION("ASoC TWL6040 codec driver"); 1304 MODULE_AUTHOR("Misael Lopez Cruz"); 1305 MODULE_LICENSE("GPL"); 1306