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 #define TWL6040_RATES SNDRV_PCM_RATE_8000_96000 42 #define TWL6040_FORMATS (SNDRV_PCM_FMTBIT_S32_LE) 43 44 #define TWL6040_OUTHS_0dB 0x00 45 #define TWL6040_OUTHS_M30dB 0x0F 46 #define TWL6040_OUTHF_0dB 0x03 47 #define TWL6040_OUTHF_M52dB 0x1D 48 49 /* Shadow register used by the driver */ 50 #define TWL6040_REG_SW_SHADOW 0x2F 51 #define TWL6040_CACHEREGNUM (TWL6040_REG_SW_SHADOW + 1) 52 53 /* TWL6040_REG_SW_SHADOW (0x2F) fields */ 54 #define TWL6040_EAR_PATH_ENABLE 0x01 55 56 struct twl6040_jack_data { 57 struct snd_soc_jack *jack; 58 struct delayed_work work; 59 int report; 60 }; 61 62 /* codec private data */ 63 struct twl6040_data { 64 int plug_irq; 65 int codec_powered; 66 int pll; 67 int pll_power_mode; 68 int hs_power_mode; 69 int hs_power_mode_locked; 70 unsigned int clk_in; 71 unsigned int sysclk; 72 struct twl6040_jack_data hs_jack; 73 struct snd_soc_codec *codec; 74 struct mutex mutex; 75 }; 76 77 /* 78 * twl6040 register cache & default register settings 79 */ 80 static const u8 twl6040_reg[TWL6040_CACHEREGNUM] = { 81 0x00, /* not used 0x00 */ 82 0x4B, /* REG_ASICID 0x01 (ro) */ 83 0x00, /* REG_ASICREV 0x02 (ro) */ 84 0x00, /* REG_INTID 0x03 */ 85 0x00, /* REG_INTMR 0x04 */ 86 0x00, /* REG_NCPCTRL 0x05 */ 87 0x00, /* REG_LDOCTL 0x06 */ 88 0x60, /* REG_HPPLLCTL 0x07 */ 89 0x00, /* REG_LPPLLCTL 0x08 */ 90 0x4A, /* REG_LPPLLDIV 0x09 */ 91 0x00, /* REG_AMICBCTL 0x0A */ 92 0x00, /* REG_DMICBCTL 0x0B */ 93 0x00, /* REG_MICLCTL 0x0C */ 94 0x00, /* REG_MICRCTL 0x0D */ 95 0x00, /* REG_MICGAIN 0x0E */ 96 0x1B, /* REG_LINEGAIN 0x0F */ 97 0x00, /* REG_HSLCTL 0x10 */ 98 0x00, /* REG_HSRCTL 0x11 */ 99 0x00, /* REG_HSGAIN 0x12 */ 100 0x00, /* REG_EARCTL 0x13 */ 101 0x00, /* REG_HFLCTL 0x14 */ 102 0x00, /* REG_HFLGAIN 0x15 */ 103 0x00, /* REG_HFRCTL 0x16 */ 104 0x00, /* REG_HFRGAIN 0x17 */ 105 0x00, /* REG_VIBCTLL 0x18 */ 106 0x00, /* REG_VIBDATL 0x19 */ 107 0x00, /* REG_VIBCTLR 0x1A */ 108 0x00, /* REG_VIBDATR 0x1B */ 109 0x00, /* REG_HKCTL1 0x1C */ 110 0x00, /* REG_HKCTL2 0x1D */ 111 0x00, /* REG_GPOCTL 0x1E */ 112 0x00, /* REG_ALB 0x1F */ 113 0x00, /* REG_DLB 0x20 */ 114 0x00, /* not used 0x21 */ 115 0x00, /* not used 0x22 */ 116 0x00, /* not used 0x23 */ 117 0x00, /* not used 0x24 */ 118 0x00, /* not used 0x25 */ 119 0x00, /* not used 0x26 */ 120 0x00, /* not used 0x27 */ 121 0x00, /* REG_TRIM1 0x28 */ 122 0x00, /* REG_TRIM2 0x29 */ 123 0x00, /* REG_TRIM3 0x2A */ 124 0x00, /* REG_HSOTRIM 0x2B */ 125 0x00, /* REG_HFOTRIM 0x2C */ 126 0x09, /* REG_ACCCTL 0x2D */ 127 0x00, /* REG_STATUS 0x2E (ro) */ 128 129 0x00, /* REG_SW_SHADOW 0x2F - Shadow, non HW register */ 130 }; 131 132 /* List of registers to be restored after power up */ 133 static const int twl6040_restore_list[] = { 134 TWL6040_REG_MICLCTL, 135 TWL6040_REG_MICRCTL, 136 TWL6040_REG_MICGAIN, 137 TWL6040_REG_LINEGAIN, 138 TWL6040_REG_HSLCTL, 139 TWL6040_REG_HSRCTL, 140 TWL6040_REG_HSGAIN, 141 TWL6040_REG_EARCTL, 142 TWL6040_REG_HFLCTL, 143 TWL6040_REG_HFLGAIN, 144 TWL6040_REG_HFRCTL, 145 TWL6040_REG_HFRGAIN, 146 }; 147 148 /* set of rates for each pll: low-power and high-performance */ 149 static unsigned int lp_rates[] = { 150 8000, 151 11250, 152 16000, 153 22500, 154 32000, 155 44100, 156 48000, 157 88200, 158 96000, 159 }; 160 161 static unsigned int hp_rates[] = { 162 8000, 163 16000, 164 32000, 165 48000, 166 96000, 167 }; 168 169 static struct snd_pcm_hw_constraint_list sysclk_constraints[] = { 170 { .count = ARRAY_SIZE(lp_rates), .list = lp_rates, }, 171 { .count = ARRAY_SIZE(hp_rates), .list = hp_rates, }, 172 }; 173 174 /* 175 * read twl6040 register cache 176 */ 177 static inline unsigned int twl6040_read_reg_cache(struct snd_soc_codec *codec, 178 unsigned int reg) 179 { 180 u8 *cache = codec->reg_cache; 181 182 if (reg >= TWL6040_CACHEREGNUM) 183 return -EIO; 184 185 return cache[reg]; 186 } 187 188 /* 189 * write twl6040 register cache 190 */ 191 static inline void twl6040_write_reg_cache(struct snd_soc_codec *codec, 192 u8 reg, u8 value) 193 { 194 u8 *cache = codec->reg_cache; 195 196 if (reg >= TWL6040_CACHEREGNUM) 197 return; 198 cache[reg] = value; 199 } 200 201 /* 202 * read from twl6040 hardware register 203 */ 204 static int twl6040_read_reg_volatile(struct snd_soc_codec *codec, 205 unsigned int reg) 206 { 207 struct twl6040 *twl6040 = codec->control_data; 208 u8 value; 209 210 if (reg >= TWL6040_CACHEREGNUM) 211 return -EIO; 212 213 if (likely(reg < TWL6040_REG_SW_SHADOW)) { 214 value = twl6040_reg_read(twl6040, reg); 215 twl6040_write_reg_cache(codec, reg, value); 216 } else { 217 value = twl6040_read_reg_cache(codec, reg); 218 } 219 220 return value; 221 } 222 223 /* 224 * write to the twl6040 register space 225 */ 226 static int twl6040_write(struct snd_soc_codec *codec, 227 unsigned int reg, unsigned int value) 228 { 229 struct twl6040 *twl6040 = codec->control_data; 230 231 if (reg >= TWL6040_CACHEREGNUM) 232 return -EIO; 233 234 twl6040_write_reg_cache(codec, reg, value); 235 if (likely(reg < TWL6040_REG_SW_SHADOW)) 236 return twl6040_reg_write(twl6040, reg, value); 237 else 238 return 0; 239 } 240 241 static void twl6040_init_chip(struct snd_soc_codec *codec) 242 { 243 struct twl6040 *twl6040 = codec->control_data; 244 u8 val; 245 246 /* Update reg_cache: ASICREV, and TRIM values */ 247 val = twl6040_get_revid(twl6040); 248 twl6040_write_reg_cache(codec, TWL6040_REG_ASICREV, val); 249 250 twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM1); 251 twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM2); 252 twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM3); 253 twl6040_read_reg_volatile(codec, TWL6040_REG_HSOTRIM); 254 twl6040_read_reg_volatile(codec, TWL6040_REG_HFOTRIM); 255 256 /* Change chip defaults */ 257 /* No imput selected for microphone amplifiers */ 258 twl6040_write_reg_cache(codec, TWL6040_REG_MICLCTL, 0x18); 259 twl6040_write_reg_cache(codec, TWL6040_REG_MICRCTL, 0x18); 260 261 /* 262 * We need to lower the default gain values, so the ramp code 263 * can work correctly for the first playback. 264 * This reduces the pop noise heard at the first playback. 265 */ 266 twl6040_write_reg_cache(codec, TWL6040_REG_HSGAIN, 0xff); 267 twl6040_write_reg_cache(codec, TWL6040_REG_EARCTL, 0x1e); 268 twl6040_write_reg_cache(codec, TWL6040_REG_HFLGAIN, 0x1d); 269 twl6040_write_reg_cache(codec, TWL6040_REG_HFRGAIN, 0x1d); 270 twl6040_write_reg_cache(codec, TWL6040_REG_LINEGAIN, 0); 271 } 272 273 static void twl6040_restore_regs(struct snd_soc_codec *codec) 274 { 275 u8 *cache = codec->reg_cache; 276 int reg, i; 277 278 for (i = 0; i < ARRAY_SIZE(twl6040_restore_list); i++) { 279 reg = twl6040_restore_list[i]; 280 twl6040_write(codec, reg, cache[reg]); 281 } 282 } 283 284 /* set headset dac and driver power mode */ 285 static int headset_power_mode(struct snd_soc_codec *codec, int high_perf) 286 { 287 int hslctl, hsrctl; 288 int mask = TWL6040_HSDRVMODE | TWL6040_HSDACMODE; 289 290 hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL); 291 hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL); 292 293 if (high_perf) { 294 hslctl &= ~mask; 295 hsrctl &= ~mask; 296 } else { 297 hslctl |= mask; 298 hsrctl |= mask; 299 } 300 301 twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl); 302 twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl); 303 304 return 0; 305 } 306 307 static int twl6040_hs_dac_event(struct snd_soc_dapm_widget *w, 308 struct snd_kcontrol *kcontrol, int event) 309 { 310 struct snd_soc_codec *codec = w->codec; 311 u8 hslctl, hsrctl; 312 313 /* 314 * Workaround for Headset DC offset caused pop noise: 315 * Both HS DAC need to be turned on (before the HS driver) and off at 316 * the same time. 317 */ 318 hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL); 319 hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL); 320 if (SND_SOC_DAPM_EVENT_ON(event)) { 321 hslctl |= TWL6040_HSDACENA; 322 hsrctl |= TWL6040_HSDACENA; 323 } else { 324 hslctl &= ~TWL6040_HSDACENA; 325 hsrctl &= ~TWL6040_HSDACENA; 326 } 327 twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl); 328 twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl); 329 330 msleep(1); 331 return 0; 332 } 333 334 static int twl6040_ep_drv_event(struct snd_soc_dapm_widget *w, 335 struct snd_kcontrol *kcontrol, int event) 336 { 337 struct snd_soc_codec *codec = w->codec; 338 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 339 int ret = 0; 340 341 if (SND_SOC_DAPM_EVENT_ON(event)) { 342 /* Earphone doesn't support low power mode */ 343 priv->hs_power_mode_locked = 1; 344 ret = headset_power_mode(codec, 1); 345 } else { 346 priv->hs_power_mode_locked = 0; 347 ret = headset_power_mode(codec, priv->hs_power_mode); 348 } 349 350 msleep(1); 351 352 return ret; 353 } 354 355 static void twl6040_hs_jack_report(struct snd_soc_codec *codec, 356 struct snd_soc_jack *jack, int report) 357 { 358 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 359 int status; 360 361 mutex_lock(&priv->mutex); 362 363 /* Sync status */ 364 status = twl6040_read_reg_volatile(codec, TWL6040_REG_STATUS); 365 if (status & TWL6040_PLUGCOMP) 366 snd_soc_jack_report(jack, report, report); 367 else 368 snd_soc_jack_report(jack, 0, report); 369 370 mutex_unlock(&priv->mutex); 371 } 372 373 void twl6040_hs_jack_detect(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 struct twl6040_jack_data *hs_jack = &priv->hs_jack; 378 379 hs_jack->jack = jack; 380 hs_jack->report = report; 381 382 twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report); 383 } 384 EXPORT_SYMBOL_GPL(twl6040_hs_jack_detect); 385 386 static void twl6040_accessory_work(struct work_struct *work) 387 { 388 struct twl6040_data *priv = container_of(work, 389 struct twl6040_data, hs_jack.work.work); 390 struct snd_soc_codec *codec = priv->codec; 391 struct twl6040_jack_data *hs_jack = &priv->hs_jack; 392 393 twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report); 394 } 395 396 /* audio interrupt handler */ 397 static irqreturn_t twl6040_audio_handler(int irq, void *data) 398 { 399 struct snd_soc_codec *codec = data; 400 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 401 402 schedule_delayed_work(&priv->hs_jack.work, msecs_to_jiffies(200)); 403 404 return IRQ_HANDLED; 405 } 406 407 static int twl6040_soc_dapm_put_vibra_enum(struct snd_kcontrol *kcontrol, 408 struct snd_ctl_elem_value *ucontrol) 409 { 410 struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol); 411 struct snd_soc_dapm_widget *widget = wlist->widgets[0]; 412 struct snd_soc_codec *codec = widget->codec; 413 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; 414 unsigned int val; 415 416 /* Do not allow changes while Input/FF efect is running */ 417 val = twl6040_read_reg_volatile(codec, e->reg); 418 if (val & TWL6040_VIBENA && !(val & TWL6040_VIBSEL)) 419 return -EBUSY; 420 421 return snd_soc_dapm_put_enum_double(kcontrol, ucontrol); 422 } 423 424 /* 425 * MICATT volume control: 426 * from -6 to 0 dB in 6 dB steps 427 */ 428 static DECLARE_TLV_DB_SCALE(mic_preamp_tlv, -600, 600, 0); 429 430 /* 431 * MICGAIN volume control: 432 * from 6 to 30 dB in 6 dB steps 433 */ 434 static DECLARE_TLV_DB_SCALE(mic_amp_tlv, 600, 600, 0); 435 436 /* 437 * AFMGAIN volume control: 438 * from -18 to 24 dB in 6 dB steps 439 */ 440 static DECLARE_TLV_DB_SCALE(afm_amp_tlv, -1800, 600, 0); 441 442 /* 443 * HSGAIN volume control: 444 * from -30 to 0 dB in 2 dB steps 445 */ 446 static DECLARE_TLV_DB_SCALE(hs_tlv, -3000, 200, 0); 447 448 /* 449 * HFGAIN volume control: 450 * from -52 to 6 dB in 2 dB steps 451 */ 452 static DECLARE_TLV_DB_SCALE(hf_tlv, -5200, 200, 0); 453 454 /* 455 * EPGAIN volume control: 456 * from -24 to 6 dB in 2 dB steps 457 */ 458 static DECLARE_TLV_DB_SCALE(ep_tlv, -2400, 200, 0); 459 460 /* Left analog microphone selection */ 461 static const char *twl6040_amicl_texts[] = 462 {"Headset Mic", "Main Mic", "Aux/FM Left", "Off"}; 463 464 /* Right analog microphone selection */ 465 static const char *twl6040_amicr_texts[] = 466 {"Headset Mic", "Sub Mic", "Aux/FM Right", "Off"}; 467 468 static const struct soc_enum twl6040_enum[] = { 469 SOC_ENUM_SINGLE(TWL6040_REG_MICLCTL, 3, 4, twl6040_amicl_texts), 470 SOC_ENUM_SINGLE(TWL6040_REG_MICRCTL, 3, 4, twl6040_amicr_texts), 471 }; 472 473 static const char *twl6040_hs_texts[] = { 474 "Off", "HS DAC", "Line-In amp" 475 }; 476 477 static const struct soc_enum twl6040_hs_enum[] = { 478 SOC_ENUM_SINGLE(TWL6040_REG_HSLCTL, 5, ARRAY_SIZE(twl6040_hs_texts), 479 twl6040_hs_texts), 480 SOC_ENUM_SINGLE(TWL6040_REG_HSRCTL, 5, ARRAY_SIZE(twl6040_hs_texts), 481 twl6040_hs_texts), 482 }; 483 484 static const char *twl6040_hf_texts[] = { 485 "Off", "HF DAC", "Line-In amp" 486 }; 487 488 static const struct soc_enum twl6040_hf_enum[] = { 489 SOC_ENUM_SINGLE(TWL6040_REG_HFLCTL, 2, ARRAY_SIZE(twl6040_hf_texts), 490 twl6040_hf_texts), 491 SOC_ENUM_SINGLE(TWL6040_REG_HFRCTL, 2, ARRAY_SIZE(twl6040_hf_texts), 492 twl6040_hf_texts), 493 }; 494 495 static const char *twl6040_vibrapath_texts[] = { 496 "Input FF", "Audio PDM" 497 }; 498 499 static const struct soc_enum twl6040_vibra_enum[] = { 500 SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLL, 1, 501 ARRAY_SIZE(twl6040_vibrapath_texts), 502 twl6040_vibrapath_texts), 503 SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLR, 1, 504 ARRAY_SIZE(twl6040_vibrapath_texts), 505 twl6040_vibrapath_texts), 506 }; 507 508 static const struct snd_kcontrol_new amicl_control = 509 SOC_DAPM_ENUM("Route", twl6040_enum[0]); 510 511 static const struct snd_kcontrol_new amicr_control = 512 SOC_DAPM_ENUM("Route", twl6040_enum[1]); 513 514 /* Headset DAC playback switches */ 515 static const struct snd_kcontrol_new hsl_mux_controls = 516 SOC_DAPM_ENUM("Route", twl6040_hs_enum[0]); 517 518 static const struct snd_kcontrol_new hsr_mux_controls = 519 SOC_DAPM_ENUM("Route", twl6040_hs_enum[1]); 520 521 /* Handsfree DAC playback switches */ 522 static const struct snd_kcontrol_new hfl_mux_controls = 523 SOC_DAPM_ENUM("Route", twl6040_hf_enum[0]); 524 525 static const struct snd_kcontrol_new hfr_mux_controls = 526 SOC_DAPM_ENUM("Route", twl6040_hf_enum[1]); 527 528 static const struct snd_kcontrol_new ep_path_enable_control = 529 SOC_DAPM_SINGLE("Switch", TWL6040_REG_SW_SHADOW, 0, 1, 0); 530 531 static const struct snd_kcontrol_new auxl_switch_control = 532 SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFLCTL, 6, 1, 0); 533 534 static const struct snd_kcontrol_new auxr_switch_control = 535 SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFRCTL, 6, 1, 0); 536 537 /* Vibra playback switches */ 538 static const struct snd_kcontrol_new vibral_mux_controls = 539 SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[0], 540 snd_soc_dapm_get_enum_double, 541 twl6040_soc_dapm_put_vibra_enum); 542 543 static const struct snd_kcontrol_new vibrar_mux_controls = 544 SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[1], 545 snd_soc_dapm_get_enum_double, 546 twl6040_soc_dapm_put_vibra_enum); 547 548 /* Headset power mode */ 549 static const char *twl6040_power_mode_texts[] = { 550 "Low-Power", "High-Performance", 551 }; 552 553 static const struct soc_enum twl6040_power_mode_enum = 554 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(twl6040_power_mode_texts), 555 twl6040_power_mode_texts); 556 557 static int twl6040_headset_power_get_enum(struct snd_kcontrol *kcontrol, 558 struct snd_ctl_elem_value *ucontrol) 559 { 560 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 561 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 562 563 ucontrol->value.enumerated.item[0] = priv->hs_power_mode; 564 565 return 0; 566 } 567 568 static int twl6040_headset_power_put_enum(struct snd_kcontrol *kcontrol, 569 struct snd_ctl_elem_value *ucontrol) 570 { 571 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 572 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 573 int high_perf = ucontrol->value.enumerated.item[0]; 574 int ret = 0; 575 576 if (!priv->hs_power_mode_locked) 577 ret = headset_power_mode(codec, high_perf); 578 579 if (!ret) 580 priv->hs_power_mode = high_perf; 581 582 return ret; 583 } 584 585 static int twl6040_pll_get_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); 590 591 ucontrol->value.enumerated.item[0] = priv->pll_power_mode; 592 593 return 0; 594 } 595 596 static int twl6040_pll_put_enum(struct snd_kcontrol *kcontrol, 597 struct snd_ctl_elem_value *ucontrol) 598 { 599 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 600 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 601 602 priv->pll_power_mode = ucontrol->value.enumerated.item[0]; 603 604 return 0; 605 } 606 607 int twl6040_get_dl1_gain(struct snd_soc_codec *codec) 608 { 609 struct snd_soc_dapm_context *dapm = &codec->dapm; 610 611 if (snd_soc_dapm_get_pin_status(dapm, "EP")) 612 return -1; /* -1dB */ 613 614 if (snd_soc_dapm_get_pin_status(dapm, "HSOR") || 615 snd_soc_dapm_get_pin_status(dapm, "HSOL")) { 616 617 u8 val = snd_soc_read(codec, TWL6040_REG_HSLCTL); 618 if (val & TWL6040_HSDACMODE) 619 /* HSDACL in LP mode */ 620 return -8; /* -8dB */ 621 else 622 /* HSDACL in HP mode */ 623 return -1; /* -1dB */ 624 } 625 return 0; /* 0dB */ 626 } 627 EXPORT_SYMBOL_GPL(twl6040_get_dl1_gain); 628 629 int twl6040_get_clk_id(struct snd_soc_codec *codec) 630 { 631 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 632 633 return priv->pll_power_mode; 634 } 635 EXPORT_SYMBOL_GPL(twl6040_get_clk_id); 636 637 int twl6040_get_trim_value(struct snd_soc_codec *codec, enum twl6040_trim trim) 638 { 639 if (unlikely(trim >= TWL6040_TRIM_INVAL)) 640 return -EINVAL; 641 642 return twl6040_read_reg_cache(codec, TWL6040_REG_TRIM1 + trim); 643 } 644 EXPORT_SYMBOL_GPL(twl6040_get_trim_value); 645 646 int twl6040_get_hs_step_size(struct snd_soc_codec *codec) 647 { 648 struct twl6040 *twl6040 = codec->control_data; 649 650 if (twl6040_get_revid(twl6040) < TWL6040_REV_ES1_3) 651 /* For ES under ES_1.3 HS step is 2 mV */ 652 return 2; 653 else 654 /* For ES_1.3 HS step is 1 mV */ 655 return 1; 656 } 657 EXPORT_SYMBOL_GPL(twl6040_get_hs_step_size); 658 659 static const struct snd_kcontrol_new twl6040_snd_controls[] = { 660 /* Capture gains */ 661 SOC_DOUBLE_TLV("Capture Preamplifier Volume", 662 TWL6040_REG_MICGAIN, 6, 7, 1, 1, mic_preamp_tlv), 663 SOC_DOUBLE_TLV("Capture Volume", 664 TWL6040_REG_MICGAIN, 0, 3, 4, 0, mic_amp_tlv), 665 666 /* AFM gains */ 667 SOC_DOUBLE_TLV("Aux FM Volume", 668 TWL6040_REG_LINEGAIN, 0, 3, 7, 0, afm_amp_tlv), 669 670 /* Playback gains */ 671 SOC_DOUBLE_TLV("Headset Playback Volume", 672 TWL6040_REG_HSGAIN, 0, 4, 0xF, 1, hs_tlv), 673 SOC_DOUBLE_R_TLV("Handsfree Playback Volume", 674 TWL6040_REG_HFLGAIN, TWL6040_REG_HFRGAIN, 0, 0x1D, 1, hf_tlv), 675 SOC_SINGLE_TLV("Earphone Playback Volume", 676 TWL6040_REG_EARCTL, 1, 0xF, 1, ep_tlv), 677 678 SOC_ENUM_EXT("Headset Power Mode", twl6040_power_mode_enum, 679 twl6040_headset_power_get_enum, 680 twl6040_headset_power_put_enum), 681 682 SOC_ENUM_EXT("PLL Selection", twl6040_power_mode_enum, 683 twl6040_pll_get_enum, twl6040_pll_put_enum), 684 }; 685 686 static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = { 687 /* Inputs */ 688 SND_SOC_DAPM_INPUT("MAINMIC"), 689 SND_SOC_DAPM_INPUT("HSMIC"), 690 SND_SOC_DAPM_INPUT("SUBMIC"), 691 SND_SOC_DAPM_INPUT("AFML"), 692 SND_SOC_DAPM_INPUT("AFMR"), 693 694 /* Outputs */ 695 SND_SOC_DAPM_OUTPUT("HSOL"), 696 SND_SOC_DAPM_OUTPUT("HSOR"), 697 SND_SOC_DAPM_OUTPUT("HFL"), 698 SND_SOC_DAPM_OUTPUT("HFR"), 699 SND_SOC_DAPM_OUTPUT("EP"), 700 SND_SOC_DAPM_OUTPUT("AUXL"), 701 SND_SOC_DAPM_OUTPUT("AUXR"), 702 SND_SOC_DAPM_OUTPUT("VIBRAL"), 703 SND_SOC_DAPM_OUTPUT("VIBRAR"), 704 705 /* Analog input muxes for the capture amplifiers */ 706 SND_SOC_DAPM_MUX("Analog Left Capture Route", 707 SND_SOC_NOPM, 0, 0, &amicl_control), 708 SND_SOC_DAPM_MUX("Analog Right Capture Route", 709 SND_SOC_NOPM, 0, 0, &amicr_control), 710 711 /* Analog capture PGAs */ 712 SND_SOC_DAPM_PGA("MicAmpL", 713 TWL6040_REG_MICLCTL, 0, 0, NULL, 0), 714 SND_SOC_DAPM_PGA("MicAmpR", 715 TWL6040_REG_MICRCTL, 0, 0, NULL, 0), 716 717 /* Auxiliary FM PGAs */ 718 SND_SOC_DAPM_PGA("AFMAmpL", 719 TWL6040_REG_MICLCTL, 1, 0, NULL, 0), 720 SND_SOC_DAPM_PGA("AFMAmpR", 721 TWL6040_REG_MICRCTL, 1, 0, NULL, 0), 722 723 /* ADCs */ 724 SND_SOC_DAPM_ADC("ADC Left", NULL, TWL6040_REG_MICLCTL, 2, 0), 725 SND_SOC_DAPM_ADC("ADC Right", NULL, TWL6040_REG_MICRCTL, 2, 0), 726 727 /* Microphone bias */ 728 SND_SOC_DAPM_SUPPLY("Headset Mic Bias", 729 TWL6040_REG_AMICBCTL, 0, 0, NULL, 0), 730 SND_SOC_DAPM_SUPPLY("Main Mic Bias", 731 TWL6040_REG_AMICBCTL, 4, 0, NULL, 0), 732 SND_SOC_DAPM_SUPPLY("Digital Mic1 Bias", 733 TWL6040_REG_DMICBCTL, 0, 0, NULL, 0), 734 SND_SOC_DAPM_SUPPLY("Digital Mic2 Bias", 735 TWL6040_REG_DMICBCTL, 4, 0, NULL, 0), 736 737 /* DACs */ 738 SND_SOC_DAPM_DAC("HSDAC Left", NULL, SND_SOC_NOPM, 0, 0), 739 SND_SOC_DAPM_DAC("HSDAC Right", NULL, SND_SOC_NOPM, 0, 0), 740 SND_SOC_DAPM_DAC("HFDAC Left", NULL, TWL6040_REG_HFLCTL, 0, 0), 741 SND_SOC_DAPM_DAC("HFDAC Right", NULL, TWL6040_REG_HFRCTL, 0, 0), 742 /* Virtual DAC for vibra path (DL4 channel) */ 743 SND_SOC_DAPM_DAC("VIBRA DAC", NULL, SND_SOC_NOPM, 0, 0), 744 745 SND_SOC_DAPM_MUX("Handsfree Left Playback", 746 SND_SOC_NOPM, 0, 0, &hfl_mux_controls), 747 SND_SOC_DAPM_MUX("Handsfree Right Playback", 748 SND_SOC_NOPM, 0, 0, &hfr_mux_controls), 749 /* Analog playback Muxes */ 750 SND_SOC_DAPM_MUX("Headset Left Playback", 751 SND_SOC_NOPM, 0, 0, &hsl_mux_controls), 752 SND_SOC_DAPM_MUX("Headset Right Playback", 753 SND_SOC_NOPM, 0, 0, &hsr_mux_controls), 754 755 SND_SOC_DAPM_MUX("Vibra Left Playback", SND_SOC_NOPM, 0, 0, 756 &vibral_mux_controls), 757 SND_SOC_DAPM_MUX("Vibra Right Playback", SND_SOC_NOPM, 0, 0, 758 &vibrar_mux_controls), 759 760 SND_SOC_DAPM_SWITCH("Earphone Playback", SND_SOC_NOPM, 0, 0, 761 &ep_path_enable_control), 762 SND_SOC_DAPM_SWITCH("AUXL Playback", SND_SOC_NOPM, 0, 0, 763 &auxl_switch_control), 764 SND_SOC_DAPM_SWITCH("AUXR Playback", SND_SOC_NOPM, 0, 0, 765 &auxr_switch_control), 766 767 /* Analog playback drivers */ 768 SND_SOC_DAPM_OUT_DRV("HF Left Driver", 769 TWL6040_REG_HFLCTL, 4, 0, NULL, 0), 770 SND_SOC_DAPM_OUT_DRV("HF Right Driver", 771 TWL6040_REG_HFRCTL, 4, 0, NULL, 0), 772 SND_SOC_DAPM_OUT_DRV("HS Left Driver", 773 TWL6040_REG_HSLCTL, 2, 0, NULL, 0), 774 SND_SOC_DAPM_OUT_DRV("HS Right Driver", 775 TWL6040_REG_HSRCTL, 2, 0, NULL, 0), 776 SND_SOC_DAPM_OUT_DRV_E("Earphone Driver", 777 TWL6040_REG_EARCTL, 0, 0, NULL, 0, 778 twl6040_ep_drv_event, 779 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 780 SND_SOC_DAPM_OUT_DRV("Vibra Left Driver", 781 TWL6040_REG_VIBCTLL, 0, 0, NULL, 0), 782 SND_SOC_DAPM_OUT_DRV("Vibra Right Driver", 783 TWL6040_REG_VIBCTLR, 0, 0, NULL, 0), 784 785 SND_SOC_DAPM_SUPPLY("Vibra Left Control", TWL6040_REG_VIBCTLL, 2, 0, 786 NULL, 0), 787 SND_SOC_DAPM_SUPPLY("Vibra Right Control", TWL6040_REG_VIBCTLR, 2, 0, 788 NULL, 0), 789 SND_SOC_DAPM_SUPPLY_S("HSDAC Power", 1, SND_SOC_NOPM, 0, 0, 790 twl6040_hs_dac_event, 791 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), 792 793 /* Analog playback PGAs */ 794 SND_SOC_DAPM_PGA("HF Left PGA", 795 TWL6040_REG_HFLCTL, 1, 0, NULL, 0), 796 SND_SOC_DAPM_PGA("HF Right PGA", 797 TWL6040_REG_HFRCTL, 1, 0, NULL, 0), 798 799 }; 800 801 static const struct snd_soc_dapm_route intercon[] = { 802 /* Stream -> DAC mapping */ 803 {"HSDAC Left", NULL, "Legacy Playback"}, 804 {"HSDAC Left", NULL, "Headset Playback"}, 805 {"HSDAC Right", NULL, "Legacy Playback"}, 806 {"HSDAC Right", NULL, "Headset Playback"}, 807 808 {"HFDAC Left", NULL, "Legacy Playback"}, 809 {"HFDAC Left", NULL, "Handsfree Playback"}, 810 {"HFDAC Right", NULL, "Legacy Playback"}, 811 {"HFDAC Right", NULL, "Handsfree Playback"}, 812 813 {"VIBRA DAC", NULL, "Legacy Playback"}, 814 {"VIBRA DAC", NULL, "Vibra Playback"}, 815 816 /* ADC -> Stream mapping */ 817 {"Legacy Capture" , NULL, "ADC Left"}, 818 {"Capture", NULL, "ADC Left"}, 819 {"Legacy Capture", NULL, "ADC Right"}, 820 {"Capture" , NULL, "ADC Right"}, 821 822 /* Capture path */ 823 {"Analog Left Capture Route", "Headset Mic", "HSMIC"}, 824 {"Analog Left Capture Route", "Main Mic", "MAINMIC"}, 825 {"Analog Left Capture Route", "Aux/FM Left", "AFML"}, 826 827 {"Analog Right Capture Route", "Headset Mic", "HSMIC"}, 828 {"Analog Right Capture Route", "Sub Mic", "SUBMIC"}, 829 {"Analog Right Capture Route", "Aux/FM Right", "AFMR"}, 830 831 {"MicAmpL", NULL, "Analog Left Capture Route"}, 832 {"MicAmpR", NULL, "Analog Right Capture Route"}, 833 834 {"ADC Left", NULL, "MicAmpL"}, 835 {"ADC Right", NULL, "MicAmpR"}, 836 837 /* AFM path */ 838 {"AFMAmpL", NULL, "AFML"}, 839 {"AFMAmpR", NULL, "AFMR"}, 840 841 {"HSDAC Left", NULL, "HSDAC Power"}, 842 {"HSDAC Right", NULL, "HSDAC Power"}, 843 844 {"Headset Left Playback", "HS DAC", "HSDAC Left"}, 845 {"Headset Left Playback", "Line-In amp", "AFMAmpL"}, 846 847 {"Headset Right Playback", "HS DAC", "HSDAC Right"}, 848 {"Headset Right Playback", "Line-In amp", "AFMAmpR"}, 849 850 {"HS Left Driver", NULL, "Headset Left Playback"}, 851 {"HS Right Driver", NULL, "Headset Right Playback"}, 852 853 {"HSOL", NULL, "HS Left Driver"}, 854 {"HSOR", NULL, "HS Right Driver"}, 855 856 /* Earphone playback path */ 857 {"Earphone Playback", "Switch", "HSDAC Left"}, 858 {"Earphone Driver", NULL, "Earphone Playback"}, 859 {"EP", NULL, "Earphone Driver"}, 860 861 {"Handsfree Left Playback", "HF DAC", "HFDAC Left"}, 862 {"Handsfree Left Playback", "Line-In amp", "AFMAmpL"}, 863 864 {"Handsfree Right Playback", "HF DAC", "HFDAC Right"}, 865 {"Handsfree Right Playback", "Line-In amp", "AFMAmpR"}, 866 867 {"HF Left PGA", NULL, "Handsfree Left Playback"}, 868 {"HF Right PGA", NULL, "Handsfree Right Playback"}, 869 870 {"HF Left Driver", NULL, "HF Left PGA"}, 871 {"HF Right Driver", NULL, "HF Right PGA"}, 872 873 {"HFL", NULL, "HF Left Driver"}, 874 {"HFR", NULL, "HF Right Driver"}, 875 876 {"AUXL Playback", "Switch", "HF Left PGA"}, 877 {"AUXR Playback", "Switch", "HF Right PGA"}, 878 879 {"AUXL", NULL, "AUXL Playback"}, 880 {"AUXR", NULL, "AUXR Playback"}, 881 882 /* Vibrator paths */ 883 {"Vibra Left Playback", "Audio PDM", "VIBRA DAC"}, 884 {"Vibra Right Playback", "Audio PDM", "VIBRA DAC"}, 885 886 {"Vibra Left Driver", NULL, "Vibra Left Playback"}, 887 {"Vibra Right Driver", NULL, "Vibra Right Playback"}, 888 {"Vibra Left Driver", NULL, "Vibra Left Control"}, 889 {"Vibra Right Driver", NULL, "Vibra Right Control"}, 890 891 {"VIBRAL", NULL, "Vibra Left Driver"}, 892 {"VIBRAR", NULL, "Vibra Right Driver"}, 893 }; 894 895 static int twl6040_set_bias_level(struct snd_soc_codec *codec, 896 enum snd_soc_bias_level level) 897 { 898 struct twl6040 *twl6040 = codec->control_data; 899 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 900 int ret; 901 902 switch (level) { 903 case SND_SOC_BIAS_ON: 904 break; 905 case SND_SOC_BIAS_PREPARE: 906 break; 907 case SND_SOC_BIAS_STANDBY: 908 if (priv->codec_powered) 909 break; 910 911 ret = twl6040_power(twl6040, 1); 912 if (ret) 913 return ret; 914 915 priv->codec_powered = 1; 916 917 twl6040_restore_regs(codec); 918 919 /* Set external boost GPO */ 920 twl6040_write(codec, TWL6040_REG_GPOCTL, 0x02); 921 break; 922 case SND_SOC_BIAS_OFF: 923 if (!priv->codec_powered) 924 break; 925 926 twl6040_power(twl6040, 0); 927 priv->codec_powered = 0; 928 break; 929 } 930 931 codec->dapm.bias_level = level; 932 933 return 0; 934 } 935 936 static int twl6040_startup(struct snd_pcm_substream *substream, 937 struct snd_soc_dai *dai) 938 { 939 struct snd_soc_codec *codec = dai->codec; 940 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 941 942 snd_pcm_hw_constraint_list(substream->runtime, 0, 943 SNDRV_PCM_HW_PARAM_RATE, 944 &sysclk_constraints[priv->pll_power_mode]); 945 946 return 0; 947 } 948 949 static int twl6040_hw_params(struct snd_pcm_substream *substream, 950 struct snd_pcm_hw_params *params, 951 struct snd_soc_dai *dai) 952 { 953 struct snd_soc_codec *codec = dai->codec; 954 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 955 int rate; 956 957 rate = params_rate(params); 958 switch (rate) { 959 case 11250: 960 case 22500: 961 case 44100: 962 case 88200: 963 /* These rates are not supported when HPPLL is in use */ 964 if (unlikely(priv->pll == TWL6040_SYSCLK_SEL_HPPLL)) { 965 dev_err(codec->dev, "HPPLL does not support rate %d\n", 966 rate); 967 return -EINVAL; 968 } 969 priv->sysclk = 17640000; 970 break; 971 case 8000: 972 case 16000: 973 case 32000: 974 case 48000: 975 case 96000: 976 priv->sysclk = 19200000; 977 break; 978 default: 979 dev_err(codec->dev, "unsupported rate %d\n", rate); 980 return -EINVAL; 981 } 982 983 return 0; 984 } 985 986 static int twl6040_prepare(struct snd_pcm_substream *substream, 987 struct snd_soc_dai *dai) 988 { 989 struct snd_soc_codec *codec = dai->codec; 990 struct twl6040 *twl6040 = codec->control_data; 991 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 992 int ret; 993 994 if (!priv->sysclk) { 995 dev_err(codec->dev, 996 "no mclk configured, call set_sysclk() on init\n"); 997 return -EINVAL; 998 } 999 1000 ret = twl6040_set_pll(twl6040, priv->pll, priv->clk_in, priv->sysclk); 1001 if (ret) { 1002 dev_err(codec->dev, "Can not set PLL (%d)\n", ret); 1003 return -EPERM; 1004 } 1005 1006 return 0; 1007 } 1008 1009 static int twl6040_set_dai_sysclk(struct snd_soc_dai *codec_dai, 1010 int clk_id, unsigned int freq, int dir) 1011 { 1012 struct snd_soc_codec *codec = codec_dai->codec; 1013 struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); 1014 1015 switch (clk_id) { 1016 case TWL6040_SYSCLK_SEL_LPPLL: 1017 case TWL6040_SYSCLK_SEL_HPPLL: 1018 priv->pll = clk_id; 1019 priv->clk_in = freq; 1020 break; 1021 default: 1022 dev_err(codec->dev, "unknown clk_id %d\n", clk_id); 1023 return -EINVAL; 1024 } 1025 1026 return 0; 1027 } 1028 1029 static const struct snd_soc_dai_ops twl6040_dai_ops = { 1030 .startup = twl6040_startup, 1031 .hw_params = twl6040_hw_params, 1032 .prepare = twl6040_prepare, 1033 .set_sysclk = twl6040_set_dai_sysclk, 1034 }; 1035 1036 static struct snd_soc_dai_driver twl6040_dai[] = { 1037 { 1038 .name = "twl6040-legacy", 1039 .playback = { 1040 .stream_name = "Legacy Playback", 1041 .channels_min = 1, 1042 .channels_max = 5, 1043 .rates = TWL6040_RATES, 1044 .formats = TWL6040_FORMATS, 1045 }, 1046 .capture = { 1047 .stream_name = "Legacy Capture", 1048 .channels_min = 1, 1049 .channels_max = 2, 1050 .rates = TWL6040_RATES, 1051 .formats = TWL6040_FORMATS, 1052 }, 1053 .ops = &twl6040_dai_ops, 1054 }, 1055 { 1056 .name = "twl6040-ul", 1057 .capture = { 1058 .stream_name = "Capture", 1059 .channels_min = 1, 1060 .channels_max = 2, 1061 .rates = TWL6040_RATES, 1062 .formats = TWL6040_FORMATS, 1063 }, 1064 .ops = &twl6040_dai_ops, 1065 }, 1066 { 1067 .name = "twl6040-dl1", 1068 .playback = { 1069 .stream_name = "Headset Playback", 1070 .channels_min = 1, 1071 .channels_max = 2, 1072 .rates = TWL6040_RATES, 1073 .formats = TWL6040_FORMATS, 1074 }, 1075 .ops = &twl6040_dai_ops, 1076 }, 1077 { 1078 .name = "twl6040-dl2", 1079 .playback = { 1080 .stream_name = "Handsfree Playback", 1081 .channels_min = 1, 1082 .channels_max = 2, 1083 .rates = TWL6040_RATES, 1084 .formats = TWL6040_FORMATS, 1085 }, 1086 .ops = &twl6040_dai_ops, 1087 }, 1088 { 1089 .name = "twl6040-vib", 1090 .playback = { 1091 .stream_name = "Vibra Playback", 1092 .channels_min = 1, 1093 .channels_max = 1, 1094 .rates = SNDRV_PCM_RATE_CONTINUOUS, 1095 .formats = TWL6040_FORMATS, 1096 }, 1097 .ops = &twl6040_dai_ops, 1098 }, 1099 }; 1100 1101 #ifdef CONFIG_PM 1102 static int twl6040_suspend(struct snd_soc_codec *codec) 1103 { 1104 twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF); 1105 1106 return 0; 1107 } 1108 1109 static int twl6040_resume(struct snd_soc_codec *codec) 1110 { 1111 twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY); 1112 1113 return 0; 1114 } 1115 #else 1116 #define twl6040_suspend NULL 1117 #define twl6040_resume NULL 1118 #endif 1119 1120 static int twl6040_probe(struct snd_soc_codec *codec) 1121 { 1122 struct twl6040_data *priv; 1123 struct platform_device *pdev = container_of(codec->dev, 1124 struct platform_device, dev); 1125 int ret = 0; 1126 1127 priv = devm_kzalloc(codec->dev, sizeof(*priv), GFP_KERNEL); 1128 if (priv == NULL) 1129 return -ENOMEM; 1130 1131 snd_soc_codec_set_drvdata(codec, priv); 1132 1133 priv->codec = codec; 1134 codec->control_data = dev_get_drvdata(codec->dev->parent); 1135 1136 priv->plug_irq = platform_get_irq(pdev, 0); 1137 if (priv->plug_irq < 0) { 1138 dev_err(codec->dev, "invalid irq\n"); 1139 return -EINVAL; 1140 } 1141 1142 INIT_DELAYED_WORK(&priv->hs_jack.work, twl6040_accessory_work); 1143 1144 mutex_init(&priv->mutex); 1145 1146 ret = devm_request_threaded_irq(codec->dev, priv->plug_irq, NULL, 1147 twl6040_audio_handler, IRQF_NO_SUSPEND, 1148 "twl6040_irq_plug", codec); 1149 if (ret) { 1150 dev_err(codec->dev, "PLUG IRQ request failed: %d\n", ret); 1151 return ret; 1152 } 1153 1154 twl6040_init_chip(codec); 1155 1156 /* power on device */ 1157 return twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY); 1158 } 1159 1160 static int twl6040_remove(struct snd_soc_codec *codec) 1161 { 1162 twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF); 1163 1164 return 0; 1165 } 1166 1167 static struct snd_soc_codec_driver soc_codec_dev_twl6040 = { 1168 .probe = twl6040_probe, 1169 .remove = twl6040_remove, 1170 .suspend = twl6040_suspend, 1171 .resume = twl6040_resume, 1172 .read = twl6040_read_reg_cache, 1173 .write = twl6040_write, 1174 .set_bias_level = twl6040_set_bias_level, 1175 .reg_cache_size = ARRAY_SIZE(twl6040_reg), 1176 .reg_word_size = sizeof(u8), 1177 .reg_cache_default = twl6040_reg, 1178 .ignore_pmdown_time = true, 1179 1180 .controls = twl6040_snd_controls, 1181 .num_controls = ARRAY_SIZE(twl6040_snd_controls), 1182 .dapm_widgets = twl6040_dapm_widgets, 1183 .num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets), 1184 .dapm_routes = intercon, 1185 .num_dapm_routes = ARRAY_SIZE(intercon), 1186 }; 1187 1188 static int twl6040_codec_probe(struct platform_device *pdev) 1189 { 1190 return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_twl6040, 1191 twl6040_dai, ARRAY_SIZE(twl6040_dai)); 1192 } 1193 1194 static int twl6040_codec_remove(struct platform_device *pdev) 1195 { 1196 snd_soc_unregister_codec(&pdev->dev); 1197 return 0; 1198 } 1199 1200 static struct platform_driver twl6040_codec_driver = { 1201 .driver = { 1202 .name = "twl6040-codec", 1203 .owner = THIS_MODULE, 1204 }, 1205 .probe = twl6040_codec_probe, 1206 .remove = twl6040_codec_remove, 1207 }; 1208 1209 module_platform_driver(twl6040_codec_driver); 1210 1211 MODULE_DESCRIPTION("ASoC TWL6040 codec driver"); 1212 MODULE_AUTHOR("Misael Lopez Cruz"); 1213 MODULE_LICENSE("GPL"); 1214