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 schedule_delayed_work(&priv->hs_jack.work, msecs_to_jiffies(200)); 433 434 return IRQ_HANDLED; 435 } 436 437 static int twl6040_soc_dapm_put_vibra_enum(struct snd_kcontrol *kcontrol, 438 struct snd_ctl_elem_value *ucontrol) 439 { 440 struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol); 441 struct snd_soc_dapm_widget *widget = wlist->widgets[0]; 442 struct snd_soc_codec *codec = widget->codec; 443 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; 444 unsigned int val; 445 446 /* Do not allow changes while Input/FF efect is running */ 447 val = twl6040_read_reg_volatile(codec, e->reg); 448 if (val & TWL6040_VIBENA && !(val & TWL6040_VIBSEL)) 449 return -EBUSY; 450 451 return snd_soc_dapm_put_enum_double(kcontrol, ucontrol); 452 } 453 454 /* 455 * MICATT volume control: 456 * from -6 to 0 dB in 6 dB steps 457 */ 458 static DECLARE_TLV_DB_SCALE(mic_preamp_tlv, -600, 600, 0); 459 460 /* 461 * MICGAIN volume control: 462 * from 6 to 30 dB in 6 dB steps 463 */ 464 static DECLARE_TLV_DB_SCALE(mic_amp_tlv, 600, 600, 0); 465 466 /* 467 * AFMGAIN volume control: 468 * from -18 to 24 dB in 6 dB steps 469 */ 470 static DECLARE_TLV_DB_SCALE(afm_amp_tlv, -1800, 600, 0); 471 472 /* 473 * HSGAIN volume control: 474 * from -30 to 0 dB in 2 dB steps 475 */ 476 static DECLARE_TLV_DB_SCALE(hs_tlv, -3000, 200, 0); 477 478 /* 479 * HFGAIN volume control: 480 * from -52 to 6 dB in 2 dB steps 481 */ 482 static DECLARE_TLV_DB_SCALE(hf_tlv, -5200, 200, 0); 483 484 /* 485 * EPGAIN volume control: 486 * from -24 to 6 dB in 2 dB steps 487 */ 488 static DECLARE_TLV_DB_SCALE(ep_tlv, -2400, 200, 0); 489 490 /* Left analog microphone selection */ 491 static const char *twl6040_amicl_texts[] = 492 {"Headset Mic", "Main Mic", "Aux/FM Left", "Off"}; 493 494 /* Right analog microphone selection */ 495 static const char *twl6040_amicr_texts[] = 496 {"Headset Mic", "Sub Mic", "Aux/FM Right", "Off"}; 497 498 static const struct soc_enum twl6040_enum[] = { 499 SOC_ENUM_SINGLE(TWL6040_REG_MICLCTL, 3, 4, twl6040_amicl_texts), 500 SOC_ENUM_SINGLE(TWL6040_REG_MICRCTL, 3, 4, twl6040_amicr_texts), 501 }; 502 503 static const char *twl6040_hs_texts[] = { 504 "Off", "HS DAC", "Line-In amp" 505 }; 506 507 static const struct soc_enum twl6040_hs_enum[] = { 508 SOC_ENUM_SINGLE(TWL6040_REG_HSLCTL, 5, ARRAY_SIZE(twl6040_hs_texts), 509 twl6040_hs_texts), 510 SOC_ENUM_SINGLE(TWL6040_REG_HSRCTL, 5, ARRAY_SIZE(twl6040_hs_texts), 511 twl6040_hs_texts), 512 }; 513 514 static const char *twl6040_hf_texts[] = { 515 "Off", "HF DAC", "Line-In amp" 516 }; 517 518 static const struct soc_enum twl6040_hf_enum[] = { 519 SOC_ENUM_SINGLE(TWL6040_REG_HFLCTL, 2, ARRAY_SIZE(twl6040_hf_texts), 520 twl6040_hf_texts), 521 SOC_ENUM_SINGLE(TWL6040_REG_HFRCTL, 2, ARRAY_SIZE(twl6040_hf_texts), 522 twl6040_hf_texts), 523 }; 524 525 static const char *twl6040_vibrapath_texts[] = { 526 "Input FF", "Audio PDM" 527 }; 528 529 static const struct soc_enum twl6040_vibra_enum[] = { 530 SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLL, 1, 531 ARRAY_SIZE(twl6040_vibrapath_texts), 532 twl6040_vibrapath_texts), 533 SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLR, 1, 534 ARRAY_SIZE(twl6040_vibrapath_texts), 535 twl6040_vibrapath_texts), 536 }; 537 538 static const struct snd_kcontrol_new amicl_control = 539 SOC_DAPM_ENUM("Route", twl6040_enum[0]); 540 541 static const struct snd_kcontrol_new amicr_control = 542 SOC_DAPM_ENUM("Route", twl6040_enum[1]); 543 544 /* Headset DAC playback switches */ 545 static const struct snd_kcontrol_new hsl_mux_controls = 546 SOC_DAPM_ENUM("Route", twl6040_hs_enum[0]); 547 548 static const struct snd_kcontrol_new hsr_mux_controls = 549 SOC_DAPM_ENUM("Route", twl6040_hs_enum[1]); 550 551 /* Handsfree DAC playback switches */ 552 static const struct snd_kcontrol_new hfl_mux_controls = 553 SOC_DAPM_ENUM("Route", twl6040_hf_enum[0]); 554 555 static const struct snd_kcontrol_new hfr_mux_controls = 556 SOC_DAPM_ENUM("Route", twl6040_hf_enum[1]); 557 558 static const struct snd_kcontrol_new ep_path_enable_control = 559 SOC_DAPM_SINGLE("Switch", TWL6040_REG_SW_SHADOW, 0, 1, 0); 560 561 static const struct snd_kcontrol_new auxl_switch_control = 562 SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFLCTL, 6, 1, 0); 563 564 static const struct snd_kcontrol_new auxr_switch_control = 565 SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFRCTL, 6, 1, 0); 566 567 /* Vibra playback switches */ 568 static const struct snd_kcontrol_new vibral_mux_controls = 569 SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[0], 570 snd_soc_dapm_get_enum_double, 571 twl6040_soc_dapm_put_vibra_enum); 572 573 static const struct snd_kcontrol_new vibrar_mux_controls = 574 SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[1], 575 snd_soc_dapm_get_enum_double, 576 twl6040_soc_dapm_put_vibra_enum); 577 578 /* Headset power mode */ 579 static const char *twl6040_power_mode_texts[] = { 580 "Low-Power", "High-Performance", 581 }; 582 583 static const struct soc_enum twl6040_power_mode_enum = 584 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(twl6040_power_mode_texts), 585 twl6040_power_mode_texts); 586 587 static int twl6040_headset_power_get_enum(struct snd_kcontrol *kcontrol, 588 struct snd_ctl_elem_value *ucontrol) 589 { 590 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 591 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 592 593 ucontrol->value.enumerated.item[0] = priv->hs_power_mode; 594 595 return 0; 596 } 597 598 static int twl6040_headset_power_put_enum(struct snd_kcontrol *kcontrol, 599 struct snd_ctl_elem_value *ucontrol) 600 { 601 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 602 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 603 int high_perf = ucontrol->value.enumerated.item[0]; 604 int ret = 0; 605 606 if (!priv->hs_power_mode_locked) 607 ret = headset_power_mode(codec, high_perf); 608 609 if (!ret) 610 priv->hs_power_mode = high_perf; 611 612 return ret; 613 } 614 615 static int twl6040_pll_get_enum(struct snd_kcontrol *kcontrol, 616 struct snd_ctl_elem_value *ucontrol) 617 { 618 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 619 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 620 621 ucontrol->value.enumerated.item[0] = priv->pll_power_mode; 622 623 return 0; 624 } 625 626 static int twl6040_pll_put_enum(struct snd_kcontrol *kcontrol, 627 struct snd_ctl_elem_value *ucontrol) 628 { 629 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 630 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 631 632 priv->pll_power_mode = ucontrol->value.enumerated.item[0]; 633 634 return 0; 635 } 636 637 int twl6040_get_dl1_gain(struct snd_soc_codec *codec) 638 { 639 struct snd_soc_dapm_context *dapm = &codec->dapm; 640 641 if (snd_soc_dapm_get_pin_status(dapm, "EP")) 642 return -1; /* -1dB */ 643 644 if (snd_soc_dapm_get_pin_status(dapm, "HSOR") || 645 snd_soc_dapm_get_pin_status(dapm, "HSOL")) { 646 647 u8 val = snd_soc_read(codec, TWL6040_REG_HSLCTL); 648 if (val & TWL6040_HSDACMODE) 649 /* HSDACL in LP mode */ 650 return -8; /* -8dB */ 651 else 652 /* HSDACL in HP mode */ 653 return -1; /* -1dB */ 654 } 655 return 0; /* 0dB */ 656 } 657 EXPORT_SYMBOL_GPL(twl6040_get_dl1_gain); 658 659 int twl6040_get_clk_id(struct snd_soc_codec *codec) 660 { 661 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 662 663 return priv->pll_power_mode; 664 } 665 EXPORT_SYMBOL_GPL(twl6040_get_clk_id); 666 667 int twl6040_get_trim_value(struct snd_soc_codec *codec, enum twl6040_trim trim) 668 { 669 if (unlikely(trim >= TWL6040_TRIM_INVAL)) 670 return -EINVAL; 671 672 return twl6040_read_reg_cache(codec, TWL6040_REG_TRIM1 + trim); 673 } 674 EXPORT_SYMBOL_GPL(twl6040_get_trim_value); 675 676 int twl6040_get_hs_step_size(struct snd_soc_codec *codec) 677 { 678 struct twl6040 *twl6040 = codec->control_data; 679 680 if (twl6040_get_revid(twl6040) < TWL6040_REV_ES1_3) 681 /* For ES under ES_1.3 HS step is 2 mV */ 682 return 2; 683 else 684 /* For ES_1.3 HS step is 1 mV */ 685 return 1; 686 } 687 EXPORT_SYMBOL_GPL(twl6040_get_hs_step_size); 688 689 static const struct snd_kcontrol_new twl6040_snd_controls[] = { 690 /* Capture gains */ 691 SOC_DOUBLE_TLV("Capture Preamplifier Volume", 692 TWL6040_REG_MICGAIN, 6, 7, 1, 1, mic_preamp_tlv), 693 SOC_DOUBLE_TLV("Capture Volume", 694 TWL6040_REG_MICGAIN, 0, 3, 4, 0, mic_amp_tlv), 695 696 /* AFM gains */ 697 SOC_DOUBLE_TLV("Aux FM Volume", 698 TWL6040_REG_LINEGAIN, 0, 3, 7, 0, afm_amp_tlv), 699 700 /* Playback gains */ 701 SOC_DOUBLE_TLV("Headset Playback Volume", 702 TWL6040_REG_HSGAIN, 0, 4, 0xF, 1, hs_tlv), 703 SOC_DOUBLE_R_TLV("Handsfree Playback Volume", 704 TWL6040_REG_HFLGAIN, TWL6040_REG_HFRGAIN, 0, 0x1D, 1, hf_tlv), 705 SOC_SINGLE_TLV("Earphone Playback Volume", 706 TWL6040_REG_EARCTL, 1, 0xF, 1, ep_tlv), 707 708 SOC_ENUM_EXT("Headset Power Mode", twl6040_power_mode_enum, 709 twl6040_headset_power_get_enum, 710 twl6040_headset_power_put_enum), 711 712 SOC_ENUM_EXT("PLL Selection", twl6040_power_mode_enum, 713 twl6040_pll_get_enum, twl6040_pll_put_enum), 714 }; 715 716 static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = { 717 /* Inputs */ 718 SND_SOC_DAPM_INPUT("MAINMIC"), 719 SND_SOC_DAPM_INPUT("HSMIC"), 720 SND_SOC_DAPM_INPUT("SUBMIC"), 721 SND_SOC_DAPM_INPUT("AFML"), 722 SND_SOC_DAPM_INPUT("AFMR"), 723 724 /* Outputs */ 725 SND_SOC_DAPM_OUTPUT("HSOL"), 726 SND_SOC_DAPM_OUTPUT("HSOR"), 727 SND_SOC_DAPM_OUTPUT("HFL"), 728 SND_SOC_DAPM_OUTPUT("HFR"), 729 SND_SOC_DAPM_OUTPUT("EP"), 730 SND_SOC_DAPM_OUTPUT("AUXL"), 731 SND_SOC_DAPM_OUTPUT("AUXR"), 732 SND_SOC_DAPM_OUTPUT("VIBRAL"), 733 SND_SOC_DAPM_OUTPUT("VIBRAR"), 734 735 /* Analog input muxes for the capture amplifiers */ 736 SND_SOC_DAPM_MUX("Analog Left Capture Route", 737 SND_SOC_NOPM, 0, 0, &amicl_control), 738 SND_SOC_DAPM_MUX("Analog Right Capture Route", 739 SND_SOC_NOPM, 0, 0, &amicr_control), 740 741 /* Analog capture PGAs */ 742 SND_SOC_DAPM_PGA("MicAmpL", 743 TWL6040_REG_MICLCTL, 0, 0, NULL, 0), 744 SND_SOC_DAPM_PGA("MicAmpR", 745 TWL6040_REG_MICRCTL, 0, 0, NULL, 0), 746 747 /* Auxiliary FM PGAs */ 748 SND_SOC_DAPM_PGA("AFMAmpL", 749 TWL6040_REG_MICLCTL, 1, 0, NULL, 0), 750 SND_SOC_DAPM_PGA("AFMAmpR", 751 TWL6040_REG_MICRCTL, 1, 0, NULL, 0), 752 753 /* ADCs */ 754 SND_SOC_DAPM_ADC("ADC Left", NULL, TWL6040_REG_MICLCTL, 2, 0), 755 SND_SOC_DAPM_ADC("ADC Right", NULL, TWL6040_REG_MICRCTL, 2, 0), 756 757 /* Microphone bias */ 758 SND_SOC_DAPM_SUPPLY("Headset Mic Bias", 759 TWL6040_REG_AMICBCTL, 0, 0, NULL, 0), 760 SND_SOC_DAPM_SUPPLY("Main Mic Bias", 761 TWL6040_REG_AMICBCTL, 4, 0, NULL, 0), 762 SND_SOC_DAPM_SUPPLY("Digital Mic1 Bias", 763 TWL6040_REG_DMICBCTL, 0, 0, NULL, 0), 764 SND_SOC_DAPM_SUPPLY("Digital Mic2 Bias", 765 TWL6040_REG_DMICBCTL, 4, 0, NULL, 0), 766 767 /* DACs */ 768 SND_SOC_DAPM_DAC("HSDAC Left", NULL, SND_SOC_NOPM, 0, 0), 769 SND_SOC_DAPM_DAC("HSDAC Right", NULL, SND_SOC_NOPM, 0, 0), 770 SND_SOC_DAPM_DAC("HFDAC Left", NULL, TWL6040_REG_HFLCTL, 0, 0), 771 SND_SOC_DAPM_DAC("HFDAC Right", NULL, TWL6040_REG_HFRCTL, 0, 0), 772 /* Virtual DAC for vibra path (DL4 channel) */ 773 SND_SOC_DAPM_DAC("VIBRA DAC", NULL, SND_SOC_NOPM, 0, 0), 774 775 SND_SOC_DAPM_MUX("Handsfree Left Playback", 776 SND_SOC_NOPM, 0, 0, &hfl_mux_controls), 777 SND_SOC_DAPM_MUX("Handsfree Right Playback", 778 SND_SOC_NOPM, 0, 0, &hfr_mux_controls), 779 /* Analog playback Muxes */ 780 SND_SOC_DAPM_MUX("Headset Left Playback", 781 SND_SOC_NOPM, 0, 0, &hsl_mux_controls), 782 SND_SOC_DAPM_MUX("Headset Right Playback", 783 SND_SOC_NOPM, 0, 0, &hsr_mux_controls), 784 785 SND_SOC_DAPM_MUX("Vibra Left Playback", SND_SOC_NOPM, 0, 0, 786 &vibral_mux_controls), 787 SND_SOC_DAPM_MUX("Vibra Right Playback", SND_SOC_NOPM, 0, 0, 788 &vibrar_mux_controls), 789 790 SND_SOC_DAPM_SWITCH("Earphone Playback", SND_SOC_NOPM, 0, 0, 791 &ep_path_enable_control), 792 SND_SOC_DAPM_SWITCH("AUXL Playback", SND_SOC_NOPM, 0, 0, 793 &auxl_switch_control), 794 SND_SOC_DAPM_SWITCH("AUXR Playback", SND_SOC_NOPM, 0, 0, 795 &auxr_switch_control), 796 797 /* Analog playback drivers */ 798 SND_SOC_DAPM_OUT_DRV("HF Left Driver", 799 TWL6040_REG_HFLCTL, 4, 0, NULL, 0), 800 SND_SOC_DAPM_OUT_DRV("HF Right Driver", 801 TWL6040_REG_HFRCTL, 4, 0, NULL, 0), 802 SND_SOC_DAPM_OUT_DRV("HS Left Driver", 803 TWL6040_REG_HSLCTL, 2, 0, NULL, 0), 804 SND_SOC_DAPM_OUT_DRV("HS Right Driver", 805 TWL6040_REG_HSRCTL, 2, 0, NULL, 0), 806 SND_SOC_DAPM_OUT_DRV_E("Earphone Driver", 807 TWL6040_REG_EARCTL, 0, 0, NULL, 0, 808 twl6040_ep_drv_event, 809 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 810 SND_SOC_DAPM_OUT_DRV("Vibra Left Driver", 811 TWL6040_REG_VIBCTLL, 0, 0, NULL, 0), 812 SND_SOC_DAPM_OUT_DRV("Vibra Right Driver", 813 TWL6040_REG_VIBCTLR, 0, 0, NULL, 0), 814 815 SND_SOC_DAPM_SUPPLY("Vibra Left Control", TWL6040_REG_VIBCTLL, 2, 0, 816 NULL, 0), 817 SND_SOC_DAPM_SUPPLY("Vibra Right Control", TWL6040_REG_VIBCTLR, 2, 0, 818 NULL, 0), 819 SND_SOC_DAPM_SUPPLY_S("HSDAC Power", 1, SND_SOC_NOPM, 0, 0, 820 twl6040_hs_dac_event, 821 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), 822 823 /* Analog playback PGAs */ 824 SND_SOC_DAPM_PGA("HF Left PGA", 825 TWL6040_REG_HFLCTL, 1, 0, NULL, 0), 826 SND_SOC_DAPM_PGA("HF Right PGA", 827 TWL6040_REG_HFRCTL, 1, 0, NULL, 0), 828 829 }; 830 831 static const struct snd_soc_dapm_route intercon[] = { 832 /* Stream -> DAC mapping */ 833 {"HSDAC Left", NULL, "Legacy Playback"}, 834 {"HSDAC Left", NULL, "Headset Playback"}, 835 {"HSDAC Right", NULL, "Legacy Playback"}, 836 {"HSDAC Right", NULL, "Headset Playback"}, 837 838 {"HFDAC Left", NULL, "Legacy Playback"}, 839 {"HFDAC Left", NULL, "Handsfree Playback"}, 840 {"HFDAC Right", NULL, "Legacy Playback"}, 841 {"HFDAC Right", NULL, "Handsfree Playback"}, 842 843 {"VIBRA DAC", NULL, "Legacy Playback"}, 844 {"VIBRA DAC", NULL, "Vibra Playback"}, 845 846 /* ADC -> Stream mapping */ 847 {"Legacy Capture" , NULL, "ADC Left"}, 848 {"Capture", NULL, "ADC Left"}, 849 {"Legacy Capture", NULL, "ADC Right"}, 850 {"Capture" , NULL, "ADC Right"}, 851 852 /* Capture path */ 853 {"Analog Left Capture Route", "Headset Mic", "HSMIC"}, 854 {"Analog Left Capture Route", "Main Mic", "MAINMIC"}, 855 {"Analog Left Capture Route", "Aux/FM Left", "AFML"}, 856 857 {"Analog Right Capture Route", "Headset Mic", "HSMIC"}, 858 {"Analog Right Capture Route", "Sub Mic", "SUBMIC"}, 859 {"Analog Right Capture Route", "Aux/FM Right", "AFMR"}, 860 861 {"MicAmpL", NULL, "Analog Left Capture Route"}, 862 {"MicAmpR", NULL, "Analog Right Capture Route"}, 863 864 {"ADC Left", NULL, "MicAmpL"}, 865 {"ADC Right", NULL, "MicAmpR"}, 866 867 /* AFM path */ 868 {"AFMAmpL", NULL, "AFML"}, 869 {"AFMAmpR", NULL, "AFMR"}, 870 871 {"HSDAC Left", NULL, "HSDAC Power"}, 872 {"HSDAC Right", NULL, "HSDAC Power"}, 873 874 {"Headset Left Playback", "HS DAC", "HSDAC Left"}, 875 {"Headset Left Playback", "Line-In amp", "AFMAmpL"}, 876 877 {"Headset Right Playback", "HS DAC", "HSDAC Right"}, 878 {"Headset Right Playback", "Line-In amp", "AFMAmpR"}, 879 880 {"HS Left Driver", NULL, "Headset Left Playback"}, 881 {"HS Right Driver", NULL, "Headset Right Playback"}, 882 883 {"HSOL", NULL, "HS Left Driver"}, 884 {"HSOR", NULL, "HS Right Driver"}, 885 886 /* Earphone playback path */ 887 {"Earphone Playback", "Switch", "HSDAC Left"}, 888 {"Earphone Driver", NULL, "Earphone Playback"}, 889 {"EP", NULL, "Earphone Driver"}, 890 891 {"Handsfree Left Playback", "HF DAC", "HFDAC Left"}, 892 {"Handsfree Left Playback", "Line-In amp", "AFMAmpL"}, 893 894 {"Handsfree Right Playback", "HF DAC", "HFDAC Right"}, 895 {"Handsfree Right Playback", "Line-In amp", "AFMAmpR"}, 896 897 {"HF Left PGA", NULL, "Handsfree Left Playback"}, 898 {"HF Right PGA", NULL, "Handsfree Right Playback"}, 899 900 {"HF Left Driver", NULL, "HF Left PGA"}, 901 {"HF Right Driver", NULL, "HF Right PGA"}, 902 903 {"HFL", NULL, "HF Left Driver"}, 904 {"HFR", NULL, "HF Right Driver"}, 905 906 {"AUXL Playback", "Switch", "HF Left PGA"}, 907 {"AUXR Playback", "Switch", "HF Right PGA"}, 908 909 {"AUXL", NULL, "AUXL Playback"}, 910 {"AUXR", NULL, "AUXR Playback"}, 911 912 /* Vibrator paths */ 913 {"Vibra Left Playback", "Audio PDM", "VIBRA DAC"}, 914 {"Vibra Right Playback", "Audio PDM", "VIBRA DAC"}, 915 916 {"Vibra Left Driver", NULL, "Vibra Left Playback"}, 917 {"Vibra Right Driver", NULL, "Vibra Right Playback"}, 918 {"Vibra Left Driver", NULL, "Vibra Left Control"}, 919 {"Vibra Right Driver", NULL, "Vibra Right Control"}, 920 921 {"VIBRAL", NULL, "Vibra Left Driver"}, 922 {"VIBRAR", NULL, "Vibra Right Driver"}, 923 }; 924 925 static int twl6040_set_bias_level(struct snd_soc_codec *codec, 926 enum snd_soc_bias_level level) 927 { 928 struct twl6040 *twl6040 = codec->control_data; 929 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 930 int ret; 931 932 switch (level) { 933 case SND_SOC_BIAS_ON: 934 break; 935 case SND_SOC_BIAS_PREPARE: 936 break; 937 case SND_SOC_BIAS_STANDBY: 938 if (priv->codec_powered) 939 break; 940 941 ret = twl6040_power(twl6040, 1); 942 if (ret) 943 return ret; 944 945 priv->codec_powered = 1; 946 947 twl6040_restore_regs(codec); 948 949 /* Set external boost GPO */ 950 twl6040_write(codec, TWL6040_REG_GPOCTL, 0x02); 951 break; 952 case SND_SOC_BIAS_OFF: 953 if (!priv->codec_powered) 954 break; 955 956 twl6040_power(twl6040, 0); 957 priv->codec_powered = 0; 958 break; 959 } 960 961 codec->dapm.bias_level = level; 962 963 return 0; 964 } 965 966 static int twl6040_startup(struct snd_pcm_substream *substream, 967 struct snd_soc_dai *dai) 968 { 969 struct snd_soc_codec *codec = dai->codec; 970 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 971 972 snd_pcm_hw_constraint_list(substream->runtime, 0, 973 SNDRV_PCM_HW_PARAM_RATE, 974 &sysclk_constraints[priv->pll_power_mode]); 975 976 return 0; 977 } 978 979 static int twl6040_hw_params(struct snd_pcm_substream *substream, 980 struct snd_pcm_hw_params *params, 981 struct snd_soc_dai *dai) 982 { 983 struct snd_soc_codec *codec = dai->codec; 984 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 985 int rate; 986 987 rate = params_rate(params); 988 switch (rate) { 989 case 11250: 990 case 22500: 991 case 44100: 992 case 88200: 993 /* These rates are not supported when HPPLL is in use */ 994 if (unlikely(priv->pll == TWL6040_SYSCLK_SEL_HPPLL)) { 995 dev_err(codec->dev, "HPPLL does not support rate %d\n", 996 rate); 997 return -EINVAL; 998 } 999 priv->sysclk = 17640000; 1000 break; 1001 case 8000: 1002 case 16000: 1003 case 32000: 1004 case 48000: 1005 case 96000: 1006 priv->sysclk = 19200000; 1007 break; 1008 default: 1009 dev_err(codec->dev, "unsupported rate %d\n", rate); 1010 return -EINVAL; 1011 } 1012 1013 return 0; 1014 } 1015 1016 static int twl6040_prepare(struct snd_pcm_substream *substream, 1017 struct snd_soc_dai *dai) 1018 { 1019 struct snd_soc_codec *codec = dai->codec; 1020 struct twl6040 *twl6040 = codec->control_data; 1021 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 1022 int ret; 1023 1024 if (!priv->sysclk) { 1025 dev_err(codec->dev, 1026 "no mclk configured, call set_sysclk() on init\n"); 1027 return -EINVAL; 1028 } 1029 1030 ret = twl6040_set_pll(twl6040, priv->pll, priv->clk_in, priv->sysclk); 1031 if (ret) { 1032 dev_err(codec->dev, "Can not set PLL (%d)\n", ret); 1033 return -EPERM; 1034 } 1035 1036 return 0; 1037 } 1038 1039 static int twl6040_set_dai_sysclk(struct snd_soc_dai *codec_dai, 1040 int clk_id, unsigned int freq, int dir) 1041 { 1042 struct snd_soc_codec *codec = codec_dai->codec; 1043 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 1044 1045 switch (clk_id) { 1046 case TWL6040_SYSCLK_SEL_LPPLL: 1047 case TWL6040_SYSCLK_SEL_HPPLL: 1048 priv->pll = clk_id; 1049 priv->clk_in = freq; 1050 break; 1051 default: 1052 dev_err(codec->dev, "unknown clk_id %d\n", clk_id); 1053 return -EINVAL; 1054 } 1055 1056 return 0; 1057 } 1058 1059 static void twl6040_mute_path(struct snd_soc_codec *codec, enum twl6040_dai_id id, 1060 int mute) 1061 { 1062 struct twl6040 *twl6040 = codec->control_data; 1063 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 1064 int hslctl, hsrctl, earctl; 1065 int hflctl, hfrctl; 1066 1067 switch (id) { 1068 case TWL6040_DAI_DL1: 1069 hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL); 1070 hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL); 1071 earctl = twl6040_read_reg_cache(codec, TWL6040_REG_EARCTL); 1072 1073 if (mute) { 1074 /* Power down drivers and DACs */ 1075 earctl &= ~0x01; 1076 hslctl &= ~(TWL6040_HSDRVENA | TWL6040_HSDACENA); 1077 hsrctl &= ~(TWL6040_HSDRVENA | TWL6040_HSDACENA); 1078 1079 } 1080 1081 twl6040_reg_write(twl6040, TWL6040_REG_EARCTL, earctl); 1082 twl6040_reg_write(twl6040, TWL6040_REG_HSLCTL, hslctl); 1083 twl6040_reg_write(twl6040, TWL6040_REG_HSRCTL, hsrctl); 1084 priv->dl1_unmuted = !mute; 1085 break; 1086 case TWL6040_DAI_DL2: 1087 hflctl = twl6040_read_reg_cache(codec, TWL6040_REG_HFLCTL); 1088 hfrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HFRCTL); 1089 1090 if (mute) { 1091 /* Power down drivers and DACs */ 1092 hflctl &= ~(TWL6040_HFDACENA | TWL6040_HFPGAENA | 1093 TWL6040_HFDRVENA); 1094 hfrctl &= ~(TWL6040_HFDACENA | TWL6040_HFPGAENA | 1095 TWL6040_HFDRVENA); 1096 } 1097 1098 twl6040_reg_write(twl6040, TWL6040_REG_HFLCTL, hflctl); 1099 twl6040_reg_write(twl6040, TWL6040_REG_HFRCTL, hfrctl); 1100 priv->dl2_unmuted = !mute; 1101 break; 1102 default: 1103 break; 1104 }; 1105 } 1106 1107 static int twl6040_digital_mute(struct snd_soc_dai *dai, int mute) 1108 { 1109 switch (dai->id) { 1110 case TWL6040_DAI_LEGACY: 1111 twl6040_mute_path(dai->codec, TWL6040_DAI_DL1, mute); 1112 twl6040_mute_path(dai->codec, TWL6040_DAI_DL2, mute); 1113 break; 1114 case TWL6040_DAI_DL1: 1115 case TWL6040_DAI_DL2: 1116 twl6040_mute_path(dai->codec, dai->id, mute); 1117 break; 1118 default: 1119 break; 1120 } 1121 1122 return 0; 1123 } 1124 1125 static const struct snd_soc_dai_ops twl6040_dai_ops = { 1126 .startup = twl6040_startup, 1127 .hw_params = twl6040_hw_params, 1128 .prepare = twl6040_prepare, 1129 .set_sysclk = twl6040_set_dai_sysclk, 1130 .digital_mute = twl6040_digital_mute, 1131 }; 1132 1133 static struct snd_soc_dai_driver twl6040_dai[] = { 1134 { 1135 .name = "twl6040-legacy", 1136 .id = TWL6040_DAI_LEGACY, 1137 .playback = { 1138 .stream_name = "Legacy Playback", 1139 .channels_min = 1, 1140 .channels_max = 5, 1141 .rates = TWL6040_RATES, 1142 .formats = TWL6040_FORMATS, 1143 }, 1144 .capture = { 1145 .stream_name = "Legacy Capture", 1146 .channels_min = 1, 1147 .channels_max = 2, 1148 .rates = TWL6040_RATES, 1149 .formats = TWL6040_FORMATS, 1150 }, 1151 .ops = &twl6040_dai_ops, 1152 }, 1153 { 1154 .name = "twl6040-ul", 1155 .id = TWL6040_DAI_UL, 1156 .capture = { 1157 .stream_name = "Capture", 1158 .channels_min = 1, 1159 .channels_max = 2, 1160 .rates = TWL6040_RATES, 1161 .formats = TWL6040_FORMATS, 1162 }, 1163 .ops = &twl6040_dai_ops, 1164 }, 1165 { 1166 .name = "twl6040-dl1", 1167 .id = TWL6040_DAI_DL1, 1168 .playback = { 1169 .stream_name = "Headset Playback", 1170 .channels_min = 1, 1171 .channels_max = 2, 1172 .rates = TWL6040_RATES, 1173 .formats = TWL6040_FORMATS, 1174 }, 1175 .ops = &twl6040_dai_ops, 1176 }, 1177 { 1178 .name = "twl6040-dl2", 1179 .id = TWL6040_DAI_DL2, 1180 .playback = { 1181 .stream_name = "Handsfree Playback", 1182 .channels_min = 1, 1183 .channels_max = 2, 1184 .rates = TWL6040_RATES, 1185 .formats = TWL6040_FORMATS, 1186 }, 1187 .ops = &twl6040_dai_ops, 1188 }, 1189 { 1190 .name = "twl6040-vib", 1191 .id = TWL6040_DAI_VIB, 1192 .playback = { 1193 .stream_name = "Vibra Playback", 1194 .channels_min = 1, 1195 .channels_max = 1, 1196 .rates = SNDRV_PCM_RATE_CONTINUOUS, 1197 .formats = TWL6040_FORMATS, 1198 }, 1199 .ops = &twl6040_dai_ops, 1200 }, 1201 }; 1202 1203 #ifdef CONFIG_PM 1204 static int twl6040_suspend(struct snd_soc_codec *codec) 1205 { 1206 twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF); 1207 1208 return 0; 1209 } 1210 1211 static int twl6040_resume(struct snd_soc_codec *codec) 1212 { 1213 twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY); 1214 1215 return 0; 1216 } 1217 #else 1218 #define twl6040_suspend NULL 1219 #define twl6040_resume NULL 1220 #endif 1221 1222 static int twl6040_probe(struct snd_soc_codec *codec) 1223 { 1224 struct twl6040_data *priv; 1225 struct platform_device *pdev = container_of(codec->dev, 1226 struct platform_device, dev); 1227 int ret = 0; 1228 1229 priv = devm_kzalloc(codec->dev, sizeof(*priv), GFP_KERNEL); 1230 if (priv == NULL) 1231 return -ENOMEM; 1232 1233 snd_soc_codec_set_drvdata(codec, priv); 1234 1235 priv->codec = codec; 1236 codec->control_data = dev_get_drvdata(codec->dev->parent); 1237 1238 priv->plug_irq = platform_get_irq(pdev, 0); 1239 if (priv->plug_irq < 0) { 1240 dev_err(codec->dev, "invalid irq\n"); 1241 return -EINVAL; 1242 } 1243 1244 INIT_DELAYED_WORK(&priv->hs_jack.work, twl6040_accessory_work); 1245 1246 mutex_init(&priv->mutex); 1247 1248 ret = request_threaded_irq(priv->plug_irq, NULL, 1249 twl6040_audio_handler, IRQF_NO_SUSPEND, 1250 "twl6040_irq_plug", codec); 1251 if (ret) { 1252 dev_err(codec->dev, "PLUG IRQ request failed: %d\n", ret); 1253 return ret; 1254 } 1255 1256 twl6040_init_chip(codec); 1257 1258 /* power on device */ 1259 return twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY); 1260 } 1261 1262 static int twl6040_remove(struct snd_soc_codec *codec) 1263 { 1264 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 1265 1266 free_irq(priv->plug_irq, codec); 1267 twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF); 1268 1269 return 0; 1270 } 1271 1272 static struct snd_soc_codec_driver soc_codec_dev_twl6040 = { 1273 .probe = twl6040_probe, 1274 .remove = twl6040_remove, 1275 .suspend = twl6040_suspend, 1276 .resume = twl6040_resume, 1277 .read = twl6040_read_reg_cache, 1278 .write = twl6040_write, 1279 .set_bias_level = twl6040_set_bias_level, 1280 .reg_cache_size = ARRAY_SIZE(twl6040_reg), 1281 .reg_word_size = sizeof(u8), 1282 .reg_cache_default = twl6040_reg, 1283 .ignore_pmdown_time = true, 1284 1285 .controls = twl6040_snd_controls, 1286 .num_controls = ARRAY_SIZE(twl6040_snd_controls), 1287 .dapm_widgets = twl6040_dapm_widgets, 1288 .num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets), 1289 .dapm_routes = intercon, 1290 .num_dapm_routes = ARRAY_SIZE(intercon), 1291 }; 1292 1293 static int twl6040_codec_probe(struct platform_device *pdev) 1294 { 1295 return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_twl6040, 1296 twl6040_dai, ARRAY_SIZE(twl6040_dai)); 1297 } 1298 1299 static int twl6040_codec_remove(struct platform_device *pdev) 1300 { 1301 snd_soc_unregister_codec(&pdev->dev); 1302 return 0; 1303 } 1304 1305 static struct platform_driver twl6040_codec_driver = { 1306 .driver = { 1307 .name = "twl6040-codec", 1308 .owner = THIS_MODULE, 1309 }, 1310 .probe = twl6040_codec_probe, 1311 .remove = twl6040_codec_remove, 1312 }; 1313 1314 module_platform_driver(twl6040_codec_driver); 1315 1316 MODULE_DESCRIPTION("ASoC TWL6040 codec driver"); 1317 MODULE_AUTHOR("Misael Lopez Cruz"); 1318 MODULE_LICENSE("GPL"); 1319