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 /* Shadow register used by the driver */ 58 #define TWL6040_REG_SW_SHADOW 0x2F 59 #define TWL6040_CACHEREGNUM (TWL6040_REG_SW_SHADOW + 1) 60 61 /* TWL6040_REG_SW_SHADOW (0x2F) fields */ 62 #define TWL6040_EAR_PATH_ENABLE 0x01 63 64 struct twl6040_jack_data { 65 struct snd_soc_jack *jack; 66 struct delayed_work work; 67 int report; 68 }; 69 70 /* codec private data */ 71 struct twl6040_data { 72 int plug_irq; 73 int codec_powered; 74 int pll; 75 int pll_power_mode; 76 int hs_power_mode; 77 int hs_power_mode_locked; 78 bool dl1_unmuted; 79 bool dl2_unmuted; 80 unsigned int clk_in; 81 unsigned int sysclk; 82 struct twl6040_jack_data hs_jack; 83 struct snd_soc_codec *codec; 84 struct mutex mutex; 85 }; 86 87 /* 88 * twl6040 register cache & default register settings 89 */ 90 static const u8 twl6040_reg[TWL6040_CACHEREGNUM] = { 91 0x00, /* not used 0x00 */ 92 0x4B, /* REG_ASICID 0x01 (ro) */ 93 0x00, /* REG_ASICREV 0x02 (ro) */ 94 0x00, /* REG_INTID 0x03 */ 95 0x00, /* REG_INTMR 0x04 */ 96 0x00, /* REG_NCPCTRL 0x05 */ 97 0x00, /* REG_LDOCTL 0x06 */ 98 0x60, /* REG_HPPLLCTL 0x07 */ 99 0x00, /* REG_LPPLLCTL 0x08 */ 100 0x4A, /* REG_LPPLLDIV 0x09 */ 101 0x00, /* REG_AMICBCTL 0x0A */ 102 0x00, /* REG_DMICBCTL 0x0B */ 103 0x00, /* REG_MICLCTL 0x0C */ 104 0x00, /* REG_MICRCTL 0x0D */ 105 0x00, /* REG_MICGAIN 0x0E */ 106 0x1B, /* REG_LINEGAIN 0x0F */ 107 0x00, /* REG_HSLCTL 0x10 */ 108 0x00, /* REG_HSRCTL 0x11 */ 109 0x00, /* REG_HSGAIN 0x12 */ 110 0x00, /* REG_EARCTL 0x13 */ 111 0x00, /* REG_HFLCTL 0x14 */ 112 0x00, /* REG_HFLGAIN 0x15 */ 113 0x00, /* REG_HFRCTL 0x16 */ 114 0x00, /* REG_HFRGAIN 0x17 */ 115 0x00, /* REG_VIBCTLL 0x18 */ 116 0x00, /* REG_VIBDATL 0x19 */ 117 0x00, /* REG_VIBCTLR 0x1A */ 118 0x00, /* REG_VIBDATR 0x1B */ 119 0x00, /* REG_HKCTL1 0x1C */ 120 0x00, /* REG_HKCTL2 0x1D */ 121 0x00, /* REG_GPOCTL 0x1E */ 122 0x00, /* REG_ALB 0x1F */ 123 0x00, /* REG_DLB 0x20 */ 124 0x00, /* not used 0x21 */ 125 0x00, /* not used 0x22 */ 126 0x00, /* not used 0x23 */ 127 0x00, /* not used 0x24 */ 128 0x00, /* not used 0x25 */ 129 0x00, /* not used 0x26 */ 130 0x00, /* not used 0x27 */ 131 0x00, /* REG_TRIM1 0x28 */ 132 0x00, /* REG_TRIM2 0x29 */ 133 0x00, /* REG_TRIM3 0x2A */ 134 0x00, /* REG_HSOTRIM 0x2B */ 135 0x00, /* REG_HFOTRIM 0x2C */ 136 0x09, /* REG_ACCCTL 0x2D */ 137 0x00, /* REG_STATUS 0x2E (ro) */ 138 139 0x00, /* REG_SW_SHADOW 0x2F - Shadow, non HW register */ 140 }; 141 142 /* List of registers to be restored after power up */ 143 static const int twl6040_restore_list[] = { 144 TWL6040_REG_MICLCTL, 145 TWL6040_REG_MICRCTL, 146 TWL6040_REG_MICGAIN, 147 TWL6040_REG_LINEGAIN, 148 TWL6040_REG_HSLCTL, 149 TWL6040_REG_HSRCTL, 150 TWL6040_REG_HSGAIN, 151 TWL6040_REG_EARCTL, 152 TWL6040_REG_HFLCTL, 153 TWL6040_REG_HFLGAIN, 154 TWL6040_REG_HFRCTL, 155 TWL6040_REG_HFRGAIN, 156 }; 157 158 /* set of rates for each pll: low-power and high-performance */ 159 static unsigned int lp_rates[] = { 160 8000, 161 11250, 162 16000, 163 22500, 164 32000, 165 44100, 166 48000, 167 88200, 168 96000, 169 }; 170 171 static unsigned int hp_rates[] = { 172 8000, 173 16000, 174 32000, 175 48000, 176 96000, 177 }; 178 179 static struct snd_pcm_hw_constraint_list sysclk_constraints[] = { 180 { .count = ARRAY_SIZE(lp_rates), .list = lp_rates, }, 181 { .count = ARRAY_SIZE(hp_rates), .list = hp_rates, }, 182 }; 183 184 /* 185 * read twl6040 register cache 186 */ 187 static inline unsigned int twl6040_read_reg_cache(struct snd_soc_codec *codec, 188 unsigned int reg) 189 { 190 u8 *cache = codec->reg_cache; 191 192 if (reg >= TWL6040_CACHEREGNUM) 193 return -EIO; 194 195 return cache[reg]; 196 } 197 198 /* 199 * write twl6040 register cache 200 */ 201 static inline void twl6040_write_reg_cache(struct snd_soc_codec *codec, 202 u8 reg, u8 value) 203 { 204 u8 *cache = codec->reg_cache; 205 206 if (reg >= TWL6040_CACHEREGNUM) 207 return; 208 cache[reg] = value; 209 } 210 211 /* 212 * read from twl6040 hardware register 213 */ 214 static int twl6040_read_reg_volatile(struct snd_soc_codec *codec, 215 unsigned int reg) 216 { 217 struct twl6040 *twl6040 = codec->control_data; 218 u8 value; 219 220 if (reg >= TWL6040_CACHEREGNUM) 221 return -EIO; 222 223 if (likely(reg < TWL6040_REG_SW_SHADOW)) { 224 value = twl6040_reg_read(twl6040, reg); 225 twl6040_write_reg_cache(codec, reg, value); 226 } else { 227 value = twl6040_read_reg_cache(codec, reg); 228 } 229 230 return value; 231 } 232 233 static bool twl6040_is_path_unmuted(struct snd_soc_codec *codec, 234 unsigned int reg) 235 { 236 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 237 238 switch (reg) { 239 case TWL6040_REG_HSLCTL: 240 case TWL6040_REG_HSRCTL: 241 case TWL6040_REG_EARCTL: 242 /* DL1 path */ 243 return priv->dl1_unmuted; 244 case TWL6040_REG_HFLCTL: 245 case TWL6040_REG_HFRCTL: 246 return priv->dl2_unmuted; 247 default: 248 return 1; 249 }; 250 } 251 252 /* 253 * write to the twl6040 register space 254 */ 255 static int twl6040_write(struct snd_soc_codec *codec, 256 unsigned int reg, unsigned int value) 257 { 258 struct twl6040 *twl6040 = codec->control_data; 259 260 if (reg >= TWL6040_CACHEREGNUM) 261 return -EIO; 262 263 twl6040_write_reg_cache(codec, reg, value); 264 if (likely(reg < TWL6040_REG_SW_SHADOW) && 265 twl6040_is_path_unmuted(codec, reg)) 266 return twl6040_reg_write(twl6040, reg, value); 267 else 268 return 0; 269 } 270 271 static void twl6040_init_chip(struct snd_soc_codec *codec) 272 { 273 struct twl6040 *twl6040 = codec->control_data; 274 u8 val; 275 276 /* Update reg_cache: ASICREV, and TRIM values */ 277 val = twl6040_get_revid(twl6040); 278 twl6040_write_reg_cache(codec, TWL6040_REG_ASICREV, val); 279 280 twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM1); 281 twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM2); 282 twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM3); 283 twl6040_read_reg_volatile(codec, TWL6040_REG_HSOTRIM); 284 twl6040_read_reg_volatile(codec, TWL6040_REG_HFOTRIM); 285 286 /* Change chip defaults */ 287 /* No imput selected for microphone amplifiers */ 288 twl6040_write_reg_cache(codec, TWL6040_REG_MICLCTL, 0x18); 289 twl6040_write_reg_cache(codec, TWL6040_REG_MICRCTL, 0x18); 290 291 /* 292 * We need to lower the default gain values, so the ramp code 293 * can work correctly for the first playback. 294 * This reduces the pop noise heard at the first playback. 295 */ 296 twl6040_write_reg_cache(codec, TWL6040_REG_HSGAIN, 0xff); 297 twl6040_write_reg_cache(codec, TWL6040_REG_EARCTL, 0x1e); 298 twl6040_write_reg_cache(codec, TWL6040_REG_HFLGAIN, 0x1d); 299 twl6040_write_reg_cache(codec, TWL6040_REG_HFRGAIN, 0x1d); 300 twl6040_write_reg_cache(codec, TWL6040_REG_LINEGAIN, 0); 301 } 302 303 static void twl6040_restore_regs(struct snd_soc_codec *codec) 304 { 305 u8 *cache = codec->reg_cache; 306 int reg, i; 307 308 for (i = 0; i < ARRAY_SIZE(twl6040_restore_list); i++) { 309 reg = twl6040_restore_list[i]; 310 twl6040_write(codec, reg, cache[reg]); 311 } 312 } 313 314 /* set headset dac and driver power mode */ 315 static int headset_power_mode(struct snd_soc_codec *codec, int high_perf) 316 { 317 int hslctl, hsrctl; 318 int mask = TWL6040_HSDRVMODE | TWL6040_HSDACMODE; 319 320 hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL); 321 hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL); 322 323 if (high_perf) { 324 hslctl &= ~mask; 325 hsrctl &= ~mask; 326 } else { 327 hslctl |= mask; 328 hsrctl |= mask; 329 } 330 331 twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl); 332 twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl); 333 334 return 0; 335 } 336 337 static int twl6040_hs_dac_event(struct snd_soc_dapm_widget *w, 338 struct snd_kcontrol *kcontrol, int event) 339 { 340 struct snd_soc_codec *codec = w->codec; 341 u8 hslctl, hsrctl; 342 343 /* 344 * Workaround for Headset DC offset caused pop noise: 345 * Both HS DAC need to be turned on (before the HS driver) and off at 346 * the same time. 347 */ 348 hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL); 349 hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL); 350 if (SND_SOC_DAPM_EVENT_ON(event)) { 351 hslctl |= TWL6040_HSDACENA; 352 hsrctl |= TWL6040_HSDACENA; 353 } else { 354 hslctl &= ~TWL6040_HSDACENA; 355 hsrctl &= ~TWL6040_HSDACENA; 356 } 357 twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl); 358 twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl); 359 360 msleep(1); 361 return 0; 362 } 363 364 static int twl6040_ep_drv_event(struct snd_soc_dapm_widget *w, 365 struct snd_kcontrol *kcontrol, int event) 366 { 367 struct snd_soc_codec *codec = w->codec; 368 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 369 int ret = 0; 370 371 if (SND_SOC_DAPM_EVENT_ON(event)) { 372 /* Earphone doesn't support low power mode */ 373 priv->hs_power_mode_locked = 1; 374 ret = headset_power_mode(codec, 1); 375 } else { 376 priv->hs_power_mode_locked = 0; 377 ret = headset_power_mode(codec, priv->hs_power_mode); 378 } 379 380 msleep(1); 381 382 return ret; 383 } 384 385 static void twl6040_hs_jack_report(struct snd_soc_codec *codec, 386 struct snd_soc_jack *jack, int report) 387 { 388 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 389 int status; 390 391 mutex_lock(&priv->mutex); 392 393 /* Sync status */ 394 status = twl6040_read_reg_volatile(codec, TWL6040_REG_STATUS); 395 if (status & TWL6040_PLUGCOMP) 396 snd_soc_jack_report(jack, report, report); 397 else 398 snd_soc_jack_report(jack, 0, report); 399 400 mutex_unlock(&priv->mutex); 401 } 402 403 void twl6040_hs_jack_detect(struct snd_soc_codec *codec, 404 struct snd_soc_jack *jack, int report) 405 { 406 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 407 struct twl6040_jack_data *hs_jack = &priv->hs_jack; 408 409 hs_jack->jack = jack; 410 hs_jack->report = report; 411 412 twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report); 413 } 414 EXPORT_SYMBOL_GPL(twl6040_hs_jack_detect); 415 416 static void twl6040_accessory_work(struct work_struct *work) 417 { 418 struct twl6040_data *priv = container_of(work, 419 struct twl6040_data, hs_jack.work.work); 420 struct snd_soc_codec *codec = priv->codec; 421 struct twl6040_jack_data *hs_jack = &priv->hs_jack; 422 423 twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report); 424 } 425 426 /* audio interrupt handler */ 427 static irqreturn_t twl6040_audio_handler(int irq, void *data) 428 { 429 struct snd_soc_codec *codec = data; 430 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 431 432 queue_delayed_work(system_power_efficient_wq, 433 &priv->hs_jack.work, msecs_to_jiffies(200)); 434 435 return IRQ_HANDLED; 436 } 437 438 static int twl6040_soc_dapm_put_vibra_enum(struct snd_kcontrol *kcontrol, 439 struct snd_ctl_elem_value *ucontrol) 440 { 441 struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol); 442 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; 443 unsigned int val; 444 445 /* Do not allow changes while Input/FF efect is running */ 446 val = twl6040_read_reg_volatile(codec, e->reg); 447 if (val & TWL6040_VIBENA && !(val & TWL6040_VIBSEL)) 448 return -EBUSY; 449 450 return snd_soc_dapm_put_enum_double(kcontrol, ucontrol); 451 } 452 453 /* 454 * MICATT volume control: 455 * from -6 to 0 dB in 6 dB steps 456 */ 457 static DECLARE_TLV_DB_SCALE(mic_preamp_tlv, -600, 600, 0); 458 459 /* 460 * MICGAIN volume control: 461 * from 6 to 30 dB in 6 dB steps 462 */ 463 static DECLARE_TLV_DB_SCALE(mic_amp_tlv, 600, 600, 0); 464 465 /* 466 * AFMGAIN volume control: 467 * from -18 to 24 dB in 6 dB steps 468 */ 469 static DECLARE_TLV_DB_SCALE(afm_amp_tlv, -1800, 600, 0); 470 471 /* 472 * HSGAIN volume control: 473 * from -30 to 0 dB in 2 dB steps 474 */ 475 static DECLARE_TLV_DB_SCALE(hs_tlv, -3000, 200, 0); 476 477 /* 478 * HFGAIN volume control: 479 * from -52 to 6 dB in 2 dB steps 480 */ 481 static DECLARE_TLV_DB_SCALE(hf_tlv, -5200, 200, 0); 482 483 /* 484 * EPGAIN volume control: 485 * from -24 to 6 dB in 2 dB steps 486 */ 487 static DECLARE_TLV_DB_SCALE(ep_tlv, -2400, 200, 0); 488 489 /* Left analog microphone selection */ 490 static const char *twl6040_amicl_texts[] = 491 {"Headset Mic", "Main Mic", "Aux/FM Left", "Off"}; 492 493 /* Right analog microphone selection */ 494 static const char *twl6040_amicr_texts[] = 495 {"Headset Mic", "Sub Mic", "Aux/FM Right", "Off"}; 496 497 static const struct soc_enum twl6040_enum[] = { 498 SOC_ENUM_SINGLE(TWL6040_REG_MICLCTL, 3, 4, twl6040_amicl_texts), 499 SOC_ENUM_SINGLE(TWL6040_REG_MICRCTL, 3, 4, twl6040_amicr_texts), 500 }; 501 502 static const char *twl6040_hs_texts[] = { 503 "Off", "HS DAC", "Line-In amp" 504 }; 505 506 static const struct soc_enum twl6040_hs_enum[] = { 507 SOC_ENUM_SINGLE(TWL6040_REG_HSLCTL, 5, ARRAY_SIZE(twl6040_hs_texts), 508 twl6040_hs_texts), 509 SOC_ENUM_SINGLE(TWL6040_REG_HSRCTL, 5, ARRAY_SIZE(twl6040_hs_texts), 510 twl6040_hs_texts), 511 }; 512 513 static const char *twl6040_hf_texts[] = { 514 "Off", "HF DAC", "Line-In amp" 515 }; 516 517 static const struct soc_enum twl6040_hf_enum[] = { 518 SOC_ENUM_SINGLE(TWL6040_REG_HFLCTL, 2, ARRAY_SIZE(twl6040_hf_texts), 519 twl6040_hf_texts), 520 SOC_ENUM_SINGLE(TWL6040_REG_HFRCTL, 2, ARRAY_SIZE(twl6040_hf_texts), 521 twl6040_hf_texts), 522 }; 523 524 static const char *twl6040_vibrapath_texts[] = { 525 "Input FF", "Audio PDM" 526 }; 527 528 static const struct soc_enum twl6040_vibra_enum[] = { 529 SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLL, 1, 530 ARRAY_SIZE(twl6040_vibrapath_texts), 531 twl6040_vibrapath_texts), 532 SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLR, 1, 533 ARRAY_SIZE(twl6040_vibrapath_texts), 534 twl6040_vibrapath_texts), 535 }; 536 537 static const struct snd_kcontrol_new amicl_control = 538 SOC_DAPM_ENUM("Route", twl6040_enum[0]); 539 540 static const struct snd_kcontrol_new amicr_control = 541 SOC_DAPM_ENUM("Route", twl6040_enum[1]); 542 543 /* Headset DAC playback switches */ 544 static const struct snd_kcontrol_new hsl_mux_controls = 545 SOC_DAPM_ENUM("Route", twl6040_hs_enum[0]); 546 547 static const struct snd_kcontrol_new hsr_mux_controls = 548 SOC_DAPM_ENUM("Route", twl6040_hs_enum[1]); 549 550 /* Handsfree DAC playback switches */ 551 static const struct snd_kcontrol_new hfl_mux_controls = 552 SOC_DAPM_ENUM("Route", twl6040_hf_enum[0]); 553 554 static const struct snd_kcontrol_new hfr_mux_controls = 555 SOC_DAPM_ENUM("Route", twl6040_hf_enum[1]); 556 557 static const struct snd_kcontrol_new ep_path_enable_control = 558 SOC_DAPM_SINGLE("Switch", TWL6040_REG_SW_SHADOW, 0, 1, 0); 559 560 static const struct snd_kcontrol_new auxl_switch_control = 561 SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFLCTL, 6, 1, 0); 562 563 static const struct snd_kcontrol_new auxr_switch_control = 564 SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFRCTL, 6, 1, 0); 565 566 /* Vibra playback switches */ 567 static const struct snd_kcontrol_new vibral_mux_controls = 568 SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[0], 569 snd_soc_dapm_get_enum_double, 570 twl6040_soc_dapm_put_vibra_enum); 571 572 static const struct snd_kcontrol_new vibrar_mux_controls = 573 SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[1], 574 snd_soc_dapm_get_enum_double, 575 twl6040_soc_dapm_put_vibra_enum); 576 577 /* Headset power mode */ 578 static const char *twl6040_power_mode_texts[] = { 579 "Low-Power", "High-Performance", 580 }; 581 582 static const struct soc_enum twl6040_power_mode_enum = 583 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(twl6040_power_mode_texts), 584 twl6040_power_mode_texts); 585 586 static int twl6040_headset_power_get_enum(struct snd_kcontrol *kcontrol, 587 struct snd_ctl_elem_value *ucontrol) 588 { 589 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 590 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 591 592 ucontrol->value.enumerated.item[0] = priv->hs_power_mode; 593 594 return 0; 595 } 596 597 static int twl6040_headset_power_put_enum(struct snd_kcontrol *kcontrol, 598 struct snd_ctl_elem_value *ucontrol) 599 { 600 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 601 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 602 int high_perf = ucontrol->value.enumerated.item[0]; 603 int ret = 0; 604 605 if (!priv->hs_power_mode_locked) 606 ret = headset_power_mode(codec, high_perf); 607 608 if (!ret) 609 priv->hs_power_mode = high_perf; 610 611 return ret; 612 } 613 614 static int twl6040_pll_get_enum(struct snd_kcontrol *kcontrol, 615 struct snd_ctl_elem_value *ucontrol) 616 { 617 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 618 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 619 620 ucontrol->value.enumerated.item[0] = priv->pll_power_mode; 621 622 return 0; 623 } 624 625 static int twl6040_pll_put_enum(struct snd_kcontrol *kcontrol, 626 struct snd_ctl_elem_value *ucontrol) 627 { 628 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 629 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 630 631 priv->pll_power_mode = ucontrol->value.enumerated.item[0]; 632 633 return 0; 634 } 635 636 int twl6040_get_dl1_gain(struct snd_soc_codec *codec) 637 { 638 struct snd_soc_dapm_context *dapm = &codec->dapm; 639 640 if (snd_soc_dapm_get_pin_status(dapm, "EP")) 641 return -1; /* -1dB */ 642 643 if (snd_soc_dapm_get_pin_status(dapm, "HSOR") || 644 snd_soc_dapm_get_pin_status(dapm, "HSOL")) { 645 646 u8 val = snd_soc_read(codec, TWL6040_REG_HSLCTL); 647 if (val & TWL6040_HSDACMODE) 648 /* HSDACL in LP mode */ 649 return -8; /* -8dB */ 650 else 651 /* HSDACL in HP mode */ 652 return -1; /* -1dB */ 653 } 654 return 0; /* 0dB */ 655 } 656 EXPORT_SYMBOL_GPL(twl6040_get_dl1_gain); 657 658 int twl6040_get_clk_id(struct snd_soc_codec *codec) 659 { 660 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 661 662 return priv->pll_power_mode; 663 } 664 EXPORT_SYMBOL_GPL(twl6040_get_clk_id); 665 666 int twl6040_get_trim_value(struct snd_soc_codec *codec, enum twl6040_trim trim) 667 { 668 if (unlikely(trim >= TWL6040_TRIM_INVAL)) 669 return -EINVAL; 670 671 return twl6040_read_reg_cache(codec, TWL6040_REG_TRIM1 + trim); 672 } 673 EXPORT_SYMBOL_GPL(twl6040_get_trim_value); 674 675 int twl6040_get_hs_step_size(struct snd_soc_codec *codec) 676 { 677 struct twl6040 *twl6040 = codec->control_data; 678 679 if (twl6040_get_revid(twl6040) < TWL6040_REV_ES1_3) 680 /* For ES under ES_1.3 HS step is 2 mV */ 681 return 2; 682 else 683 /* For ES_1.3 HS step is 1 mV */ 684 return 1; 685 } 686 EXPORT_SYMBOL_GPL(twl6040_get_hs_step_size); 687 688 static const struct snd_kcontrol_new twl6040_snd_controls[] = { 689 /* Capture gains */ 690 SOC_DOUBLE_TLV("Capture Preamplifier Volume", 691 TWL6040_REG_MICGAIN, 6, 7, 1, 1, mic_preamp_tlv), 692 SOC_DOUBLE_TLV("Capture Volume", 693 TWL6040_REG_MICGAIN, 0, 3, 4, 0, mic_amp_tlv), 694 695 /* AFM gains */ 696 SOC_DOUBLE_TLV("Aux FM Volume", 697 TWL6040_REG_LINEGAIN, 0, 3, 7, 0, afm_amp_tlv), 698 699 /* Playback gains */ 700 SOC_DOUBLE_TLV("Headset Playback Volume", 701 TWL6040_REG_HSGAIN, 0, 4, 0xF, 1, hs_tlv), 702 SOC_DOUBLE_R_TLV("Handsfree Playback Volume", 703 TWL6040_REG_HFLGAIN, TWL6040_REG_HFRGAIN, 0, 0x1D, 1, hf_tlv), 704 SOC_SINGLE_TLV("Earphone Playback Volume", 705 TWL6040_REG_EARCTL, 1, 0xF, 1, ep_tlv), 706 707 SOC_ENUM_EXT("Headset Power Mode", twl6040_power_mode_enum, 708 twl6040_headset_power_get_enum, 709 twl6040_headset_power_put_enum), 710 711 SOC_ENUM_EXT("PLL Selection", twl6040_power_mode_enum, 712 twl6040_pll_get_enum, twl6040_pll_put_enum), 713 }; 714 715 static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = { 716 /* Inputs */ 717 SND_SOC_DAPM_INPUT("MAINMIC"), 718 SND_SOC_DAPM_INPUT("HSMIC"), 719 SND_SOC_DAPM_INPUT("SUBMIC"), 720 SND_SOC_DAPM_INPUT("AFML"), 721 SND_SOC_DAPM_INPUT("AFMR"), 722 723 /* Outputs */ 724 SND_SOC_DAPM_OUTPUT("HSOL"), 725 SND_SOC_DAPM_OUTPUT("HSOR"), 726 SND_SOC_DAPM_OUTPUT("HFL"), 727 SND_SOC_DAPM_OUTPUT("HFR"), 728 SND_SOC_DAPM_OUTPUT("EP"), 729 SND_SOC_DAPM_OUTPUT("AUXL"), 730 SND_SOC_DAPM_OUTPUT("AUXR"), 731 SND_SOC_DAPM_OUTPUT("VIBRAL"), 732 SND_SOC_DAPM_OUTPUT("VIBRAR"), 733 734 /* Analog input muxes for the capture amplifiers */ 735 SND_SOC_DAPM_MUX("Analog Left Capture Route", 736 SND_SOC_NOPM, 0, 0, &amicl_control), 737 SND_SOC_DAPM_MUX("Analog Right Capture Route", 738 SND_SOC_NOPM, 0, 0, &amicr_control), 739 740 /* Analog capture PGAs */ 741 SND_SOC_DAPM_PGA("MicAmpL", 742 TWL6040_REG_MICLCTL, 0, 0, NULL, 0), 743 SND_SOC_DAPM_PGA("MicAmpR", 744 TWL6040_REG_MICRCTL, 0, 0, NULL, 0), 745 746 /* Auxiliary FM PGAs */ 747 SND_SOC_DAPM_PGA("AFMAmpL", 748 TWL6040_REG_MICLCTL, 1, 0, NULL, 0), 749 SND_SOC_DAPM_PGA("AFMAmpR", 750 TWL6040_REG_MICRCTL, 1, 0, NULL, 0), 751 752 /* ADCs */ 753 SND_SOC_DAPM_ADC("ADC Left", NULL, TWL6040_REG_MICLCTL, 2, 0), 754 SND_SOC_DAPM_ADC("ADC Right", NULL, TWL6040_REG_MICRCTL, 2, 0), 755 756 /* Microphone bias */ 757 SND_SOC_DAPM_SUPPLY("Headset Mic Bias", 758 TWL6040_REG_AMICBCTL, 0, 0, NULL, 0), 759 SND_SOC_DAPM_SUPPLY("Main Mic Bias", 760 TWL6040_REG_AMICBCTL, 4, 0, NULL, 0), 761 SND_SOC_DAPM_SUPPLY("Digital Mic1 Bias", 762 TWL6040_REG_DMICBCTL, 0, 0, NULL, 0), 763 SND_SOC_DAPM_SUPPLY("Digital Mic2 Bias", 764 TWL6040_REG_DMICBCTL, 4, 0, NULL, 0), 765 766 /* DACs */ 767 SND_SOC_DAPM_DAC("HSDAC Left", NULL, SND_SOC_NOPM, 0, 0), 768 SND_SOC_DAPM_DAC("HSDAC Right", NULL, SND_SOC_NOPM, 0, 0), 769 SND_SOC_DAPM_DAC("HFDAC Left", NULL, TWL6040_REG_HFLCTL, 0, 0), 770 SND_SOC_DAPM_DAC("HFDAC Right", NULL, TWL6040_REG_HFRCTL, 0, 0), 771 /* Virtual DAC for vibra path (DL4 channel) */ 772 SND_SOC_DAPM_DAC("VIBRA DAC", NULL, SND_SOC_NOPM, 0, 0), 773 774 SND_SOC_DAPM_MUX("Handsfree Left Playback", 775 SND_SOC_NOPM, 0, 0, &hfl_mux_controls), 776 SND_SOC_DAPM_MUX("Handsfree Right Playback", 777 SND_SOC_NOPM, 0, 0, &hfr_mux_controls), 778 /* Analog playback Muxes */ 779 SND_SOC_DAPM_MUX("Headset Left Playback", 780 SND_SOC_NOPM, 0, 0, &hsl_mux_controls), 781 SND_SOC_DAPM_MUX("Headset Right Playback", 782 SND_SOC_NOPM, 0, 0, &hsr_mux_controls), 783 784 SND_SOC_DAPM_MUX("Vibra Left Playback", SND_SOC_NOPM, 0, 0, 785 &vibral_mux_controls), 786 SND_SOC_DAPM_MUX("Vibra Right Playback", SND_SOC_NOPM, 0, 0, 787 &vibrar_mux_controls), 788 789 SND_SOC_DAPM_SWITCH("Earphone Playback", SND_SOC_NOPM, 0, 0, 790 &ep_path_enable_control), 791 SND_SOC_DAPM_SWITCH("AUXL Playback", SND_SOC_NOPM, 0, 0, 792 &auxl_switch_control), 793 SND_SOC_DAPM_SWITCH("AUXR Playback", SND_SOC_NOPM, 0, 0, 794 &auxr_switch_control), 795 796 /* Analog playback drivers */ 797 SND_SOC_DAPM_OUT_DRV("HF Left Driver", 798 TWL6040_REG_HFLCTL, 4, 0, NULL, 0), 799 SND_SOC_DAPM_OUT_DRV("HF Right Driver", 800 TWL6040_REG_HFRCTL, 4, 0, NULL, 0), 801 SND_SOC_DAPM_OUT_DRV("HS Left Driver", 802 TWL6040_REG_HSLCTL, 2, 0, NULL, 0), 803 SND_SOC_DAPM_OUT_DRV("HS Right Driver", 804 TWL6040_REG_HSRCTL, 2, 0, NULL, 0), 805 SND_SOC_DAPM_OUT_DRV_E("Earphone Driver", 806 TWL6040_REG_EARCTL, 0, 0, NULL, 0, 807 twl6040_ep_drv_event, 808 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 809 SND_SOC_DAPM_OUT_DRV("Vibra Left Driver", 810 TWL6040_REG_VIBCTLL, 0, 0, NULL, 0), 811 SND_SOC_DAPM_OUT_DRV("Vibra Right Driver", 812 TWL6040_REG_VIBCTLR, 0, 0, NULL, 0), 813 814 SND_SOC_DAPM_SUPPLY("Vibra Left Control", TWL6040_REG_VIBCTLL, 2, 0, 815 NULL, 0), 816 SND_SOC_DAPM_SUPPLY("Vibra Right Control", TWL6040_REG_VIBCTLR, 2, 0, 817 NULL, 0), 818 SND_SOC_DAPM_SUPPLY_S("HSDAC Power", 1, SND_SOC_NOPM, 0, 0, 819 twl6040_hs_dac_event, 820 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), 821 822 /* Analog playback PGAs */ 823 SND_SOC_DAPM_PGA("HF Left PGA", 824 TWL6040_REG_HFLCTL, 1, 0, NULL, 0), 825 SND_SOC_DAPM_PGA("HF Right PGA", 826 TWL6040_REG_HFRCTL, 1, 0, NULL, 0), 827 828 }; 829 830 static const struct snd_soc_dapm_route intercon[] = { 831 /* Stream -> DAC mapping */ 832 {"HSDAC Left", NULL, "Legacy Playback"}, 833 {"HSDAC Left", NULL, "Headset Playback"}, 834 {"HSDAC Right", NULL, "Legacy Playback"}, 835 {"HSDAC Right", NULL, "Headset Playback"}, 836 837 {"HFDAC Left", NULL, "Legacy Playback"}, 838 {"HFDAC Left", NULL, "Handsfree Playback"}, 839 {"HFDAC Right", NULL, "Legacy Playback"}, 840 {"HFDAC Right", NULL, "Handsfree Playback"}, 841 842 {"VIBRA DAC", NULL, "Legacy Playback"}, 843 {"VIBRA DAC", NULL, "Vibra Playback"}, 844 845 /* ADC -> Stream mapping */ 846 {"Legacy Capture" , NULL, "ADC Left"}, 847 {"Capture", NULL, "ADC Left"}, 848 {"Legacy Capture", NULL, "ADC Right"}, 849 {"Capture" , NULL, "ADC Right"}, 850 851 /* Capture path */ 852 {"Analog Left Capture Route", "Headset Mic", "HSMIC"}, 853 {"Analog Left Capture Route", "Main Mic", "MAINMIC"}, 854 {"Analog Left Capture Route", "Aux/FM Left", "AFML"}, 855 856 {"Analog Right Capture Route", "Headset Mic", "HSMIC"}, 857 {"Analog Right Capture Route", "Sub Mic", "SUBMIC"}, 858 {"Analog Right Capture Route", "Aux/FM Right", "AFMR"}, 859 860 {"MicAmpL", NULL, "Analog Left Capture Route"}, 861 {"MicAmpR", NULL, "Analog Right Capture Route"}, 862 863 {"ADC Left", NULL, "MicAmpL"}, 864 {"ADC Right", NULL, "MicAmpR"}, 865 866 /* AFM path */ 867 {"AFMAmpL", NULL, "AFML"}, 868 {"AFMAmpR", NULL, "AFMR"}, 869 870 {"HSDAC Left", NULL, "HSDAC Power"}, 871 {"HSDAC Right", NULL, "HSDAC Power"}, 872 873 {"Headset Left Playback", "HS DAC", "HSDAC Left"}, 874 {"Headset Left Playback", "Line-In amp", "AFMAmpL"}, 875 876 {"Headset Right Playback", "HS DAC", "HSDAC Right"}, 877 {"Headset Right Playback", "Line-In amp", "AFMAmpR"}, 878 879 {"HS Left Driver", NULL, "Headset Left Playback"}, 880 {"HS Right Driver", NULL, "Headset Right Playback"}, 881 882 {"HSOL", NULL, "HS Left Driver"}, 883 {"HSOR", NULL, "HS Right Driver"}, 884 885 /* Earphone playback path */ 886 {"Earphone Playback", "Switch", "HSDAC Left"}, 887 {"Earphone Driver", NULL, "Earphone Playback"}, 888 {"EP", NULL, "Earphone Driver"}, 889 890 {"Handsfree Left Playback", "HF DAC", "HFDAC Left"}, 891 {"Handsfree Left Playback", "Line-In amp", "AFMAmpL"}, 892 893 {"Handsfree Right Playback", "HF DAC", "HFDAC Right"}, 894 {"Handsfree Right Playback", "Line-In amp", "AFMAmpR"}, 895 896 {"HF Left PGA", NULL, "Handsfree Left Playback"}, 897 {"HF Right PGA", NULL, "Handsfree Right Playback"}, 898 899 {"HF Left Driver", NULL, "HF Left PGA"}, 900 {"HF Right Driver", NULL, "HF Right PGA"}, 901 902 {"HFL", NULL, "HF Left Driver"}, 903 {"HFR", NULL, "HF Right Driver"}, 904 905 {"AUXL Playback", "Switch", "HF Left PGA"}, 906 {"AUXR Playback", "Switch", "HF Right PGA"}, 907 908 {"AUXL", NULL, "AUXL Playback"}, 909 {"AUXR", NULL, "AUXR Playback"}, 910 911 /* Vibrator paths */ 912 {"Vibra Left Playback", "Audio PDM", "VIBRA DAC"}, 913 {"Vibra Right Playback", "Audio PDM", "VIBRA DAC"}, 914 915 {"Vibra Left Driver", NULL, "Vibra Left Playback"}, 916 {"Vibra Right Driver", NULL, "Vibra Right Playback"}, 917 {"Vibra Left Driver", NULL, "Vibra Left Control"}, 918 {"Vibra Right Driver", NULL, "Vibra Right Control"}, 919 920 {"VIBRAL", NULL, "Vibra Left Driver"}, 921 {"VIBRAR", NULL, "Vibra Right Driver"}, 922 }; 923 924 static int twl6040_set_bias_level(struct snd_soc_codec *codec, 925 enum snd_soc_bias_level level) 926 { 927 struct twl6040 *twl6040 = codec->control_data; 928 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 929 int ret; 930 931 switch (level) { 932 case SND_SOC_BIAS_ON: 933 break; 934 case SND_SOC_BIAS_PREPARE: 935 break; 936 case SND_SOC_BIAS_STANDBY: 937 if (priv->codec_powered) 938 break; 939 940 ret = twl6040_power(twl6040, 1); 941 if (ret) 942 return ret; 943 944 priv->codec_powered = 1; 945 946 twl6040_restore_regs(codec); 947 948 /* Set external boost GPO */ 949 twl6040_write(codec, TWL6040_REG_GPOCTL, 0x02); 950 break; 951 case SND_SOC_BIAS_OFF: 952 if (!priv->codec_powered) 953 break; 954 955 twl6040_power(twl6040, 0); 956 priv->codec_powered = 0; 957 break; 958 } 959 960 codec->dapm.bias_level = level; 961 962 return 0; 963 } 964 965 static int twl6040_startup(struct snd_pcm_substream *substream, 966 struct snd_soc_dai *dai) 967 { 968 struct snd_soc_codec *codec = dai->codec; 969 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 970 971 snd_pcm_hw_constraint_list(substream->runtime, 0, 972 SNDRV_PCM_HW_PARAM_RATE, 973 &sysclk_constraints[priv->pll_power_mode]); 974 975 return 0; 976 } 977 978 static int twl6040_hw_params(struct snd_pcm_substream *substream, 979 struct snd_pcm_hw_params *params, 980 struct snd_soc_dai *dai) 981 { 982 struct snd_soc_codec *codec = dai->codec; 983 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 984 int rate; 985 986 rate = params_rate(params); 987 switch (rate) { 988 case 11250: 989 case 22500: 990 case 44100: 991 case 88200: 992 /* These rates are not supported when HPPLL is in use */ 993 if (unlikely(priv->pll == TWL6040_SYSCLK_SEL_HPPLL)) { 994 dev_err(codec->dev, "HPPLL does not support rate %d\n", 995 rate); 996 return -EINVAL; 997 } 998 priv->sysclk = 17640000; 999 break; 1000 case 8000: 1001 case 16000: 1002 case 32000: 1003 case 48000: 1004 case 96000: 1005 priv->sysclk = 19200000; 1006 break; 1007 default: 1008 dev_err(codec->dev, "unsupported rate %d\n", rate); 1009 return -EINVAL; 1010 } 1011 1012 return 0; 1013 } 1014 1015 static int twl6040_prepare(struct snd_pcm_substream *substream, 1016 struct snd_soc_dai *dai) 1017 { 1018 struct snd_soc_codec *codec = dai->codec; 1019 struct twl6040 *twl6040 = codec->control_data; 1020 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 1021 int ret; 1022 1023 if (!priv->sysclk) { 1024 dev_err(codec->dev, 1025 "no mclk configured, call set_sysclk() on init\n"); 1026 return -EINVAL; 1027 } 1028 1029 ret = twl6040_set_pll(twl6040, priv->pll, priv->clk_in, priv->sysclk); 1030 if (ret) { 1031 dev_err(codec->dev, "Can not set PLL (%d)\n", ret); 1032 return -EPERM; 1033 } 1034 1035 return 0; 1036 } 1037 1038 static int twl6040_set_dai_sysclk(struct snd_soc_dai *codec_dai, 1039 int clk_id, unsigned int freq, int dir) 1040 { 1041 struct snd_soc_codec *codec = codec_dai->codec; 1042 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 1043 1044 switch (clk_id) { 1045 case TWL6040_SYSCLK_SEL_LPPLL: 1046 case TWL6040_SYSCLK_SEL_HPPLL: 1047 priv->pll = clk_id; 1048 priv->clk_in = freq; 1049 break; 1050 default: 1051 dev_err(codec->dev, "unknown clk_id %d\n", clk_id); 1052 return -EINVAL; 1053 } 1054 1055 return 0; 1056 } 1057 1058 static void twl6040_mute_path(struct snd_soc_codec *codec, enum twl6040_dai_id id, 1059 int mute) 1060 { 1061 struct twl6040 *twl6040 = codec->control_data; 1062 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 1063 int hslctl, hsrctl, earctl; 1064 int hflctl, hfrctl; 1065 1066 switch (id) { 1067 case TWL6040_DAI_DL1: 1068 hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL); 1069 hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL); 1070 earctl = twl6040_read_reg_cache(codec, TWL6040_REG_EARCTL); 1071 1072 if (mute) { 1073 /* Power down drivers and DACs */ 1074 earctl &= ~0x01; 1075 hslctl &= ~(TWL6040_HSDRVENA | TWL6040_HSDACENA); 1076 hsrctl &= ~(TWL6040_HSDRVENA | TWL6040_HSDACENA); 1077 1078 } 1079 1080 twl6040_reg_write(twl6040, TWL6040_REG_EARCTL, earctl); 1081 twl6040_reg_write(twl6040, TWL6040_REG_HSLCTL, hslctl); 1082 twl6040_reg_write(twl6040, TWL6040_REG_HSRCTL, hsrctl); 1083 priv->dl1_unmuted = !mute; 1084 break; 1085 case TWL6040_DAI_DL2: 1086 hflctl = twl6040_read_reg_cache(codec, TWL6040_REG_HFLCTL); 1087 hfrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HFRCTL); 1088 1089 if (mute) { 1090 /* Power down drivers and DACs */ 1091 hflctl &= ~(TWL6040_HFDACENA | TWL6040_HFPGAENA | 1092 TWL6040_HFDRVENA); 1093 hfrctl &= ~(TWL6040_HFDACENA | TWL6040_HFPGAENA | 1094 TWL6040_HFDRVENA); 1095 } 1096 1097 twl6040_reg_write(twl6040, TWL6040_REG_HFLCTL, hflctl); 1098 twl6040_reg_write(twl6040, TWL6040_REG_HFRCTL, hfrctl); 1099 priv->dl2_unmuted = !mute; 1100 break; 1101 default: 1102 break; 1103 }; 1104 } 1105 1106 static int twl6040_digital_mute(struct snd_soc_dai *dai, int mute) 1107 { 1108 switch (dai->id) { 1109 case TWL6040_DAI_LEGACY: 1110 twl6040_mute_path(dai->codec, TWL6040_DAI_DL1, mute); 1111 twl6040_mute_path(dai->codec, TWL6040_DAI_DL2, mute); 1112 break; 1113 case TWL6040_DAI_DL1: 1114 case TWL6040_DAI_DL2: 1115 twl6040_mute_path(dai->codec, dai->id, mute); 1116 break; 1117 default: 1118 break; 1119 } 1120 1121 return 0; 1122 } 1123 1124 static const struct snd_soc_dai_ops twl6040_dai_ops = { 1125 .startup = twl6040_startup, 1126 .hw_params = twl6040_hw_params, 1127 .prepare = twl6040_prepare, 1128 .set_sysclk = twl6040_set_dai_sysclk, 1129 .digital_mute = twl6040_digital_mute, 1130 }; 1131 1132 static struct snd_soc_dai_driver twl6040_dai[] = { 1133 { 1134 .name = "twl6040-legacy", 1135 .id = TWL6040_DAI_LEGACY, 1136 .playback = { 1137 .stream_name = "Legacy Playback", 1138 .channels_min = 1, 1139 .channels_max = 5, 1140 .rates = TWL6040_RATES, 1141 .formats = TWL6040_FORMATS, 1142 }, 1143 .capture = { 1144 .stream_name = "Legacy 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-ul", 1154 .id = TWL6040_DAI_UL, 1155 .capture = { 1156 .stream_name = "Capture", 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-dl1", 1166 .id = TWL6040_DAI_DL1, 1167 .playback = { 1168 .stream_name = "Headset 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-dl2", 1178 .id = TWL6040_DAI_DL2, 1179 .playback = { 1180 .stream_name = "Handsfree Playback", 1181 .channels_min = 1, 1182 .channels_max = 2, 1183 .rates = TWL6040_RATES, 1184 .formats = TWL6040_FORMATS, 1185 }, 1186 .ops = &twl6040_dai_ops, 1187 }, 1188 { 1189 .name = "twl6040-vib", 1190 .id = TWL6040_DAI_VIB, 1191 .playback = { 1192 .stream_name = "Vibra Playback", 1193 .channels_min = 1, 1194 .channels_max = 1, 1195 .rates = SNDRV_PCM_RATE_CONTINUOUS, 1196 .formats = TWL6040_FORMATS, 1197 }, 1198 .ops = &twl6040_dai_ops, 1199 }, 1200 }; 1201 1202 #ifdef CONFIG_PM 1203 static int twl6040_suspend(struct snd_soc_codec *codec) 1204 { 1205 twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF); 1206 1207 return 0; 1208 } 1209 1210 static int twl6040_resume(struct snd_soc_codec *codec) 1211 { 1212 twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY); 1213 1214 return 0; 1215 } 1216 #else 1217 #define twl6040_suspend NULL 1218 #define twl6040_resume NULL 1219 #endif 1220 1221 static int twl6040_probe(struct snd_soc_codec *codec) 1222 { 1223 struct twl6040_data *priv; 1224 struct platform_device *pdev = container_of(codec->dev, 1225 struct platform_device, dev); 1226 int ret = 0; 1227 1228 priv = devm_kzalloc(codec->dev, sizeof(*priv), GFP_KERNEL); 1229 if (priv == NULL) 1230 return -ENOMEM; 1231 1232 snd_soc_codec_set_drvdata(codec, priv); 1233 1234 priv->codec = codec; 1235 codec->control_data = dev_get_drvdata(codec->dev->parent); 1236 1237 priv->plug_irq = platform_get_irq(pdev, 0); 1238 if (priv->plug_irq < 0) { 1239 dev_err(codec->dev, "invalid irq\n"); 1240 return -EINVAL; 1241 } 1242 1243 INIT_DELAYED_WORK(&priv->hs_jack.work, twl6040_accessory_work); 1244 1245 mutex_init(&priv->mutex); 1246 1247 ret = request_threaded_irq(priv->plug_irq, NULL, 1248 twl6040_audio_handler, IRQF_NO_SUSPEND, 1249 "twl6040_irq_plug", codec); 1250 if (ret) { 1251 dev_err(codec->dev, "PLUG IRQ request failed: %d\n", ret); 1252 return ret; 1253 } 1254 1255 twl6040_init_chip(codec); 1256 1257 /* power on device */ 1258 return twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY); 1259 } 1260 1261 static int twl6040_remove(struct snd_soc_codec *codec) 1262 { 1263 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 1264 1265 free_irq(priv->plug_irq, codec); 1266 twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF); 1267 1268 return 0; 1269 } 1270 1271 static struct snd_soc_codec_driver soc_codec_dev_twl6040 = { 1272 .probe = twl6040_probe, 1273 .remove = twl6040_remove, 1274 .suspend = twl6040_suspend, 1275 .resume = twl6040_resume, 1276 .read = twl6040_read_reg_cache, 1277 .write = twl6040_write, 1278 .set_bias_level = twl6040_set_bias_level, 1279 .reg_cache_size = ARRAY_SIZE(twl6040_reg), 1280 .reg_word_size = sizeof(u8), 1281 .reg_cache_default = twl6040_reg, 1282 .ignore_pmdown_time = true, 1283 1284 .controls = twl6040_snd_controls, 1285 .num_controls = ARRAY_SIZE(twl6040_snd_controls), 1286 .dapm_widgets = twl6040_dapm_widgets, 1287 .num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets), 1288 .dapm_routes = intercon, 1289 .num_dapm_routes = ARRAY_SIZE(intercon), 1290 }; 1291 1292 static int twl6040_codec_probe(struct platform_device *pdev) 1293 { 1294 return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_twl6040, 1295 twl6040_dai, ARRAY_SIZE(twl6040_dai)); 1296 } 1297 1298 static int twl6040_codec_remove(struct platform_device *pdev) 1299 { 1300 snd_soc_unregister_codec(&pdev->dev); 1301 return 0; 1302 } 1303 1304 static struct platform_driver twl6040_codec_driver = { 1305 .driver = { 1306 .name = "twl6040-codec", 1307 .owner = THIS_MODULE, 1308 }, 1309 .probe = twl6040_codec_probe, 1310 .remove = twl6040_codec_remove, 1311 }; 1312 1313 module_platform_driver(twl6040_codec_driver); 1314 1315 MODULE_DESCRIPTION("ASoC TWL6040 codec driver"); 1316 MODULE_AUTHOR("Misael Lopez Cruz"); 1317 MODULE_LICENSE("GPL"); 1318