Pileus Git - ~andy/linux/blob - drivers/mfd/arizona-core.c

   1 /*
   2  * Arizona core driver
   3  *
   4  * Copyright 2012 Wolfson Microelectronics plc
   5  *
   6  * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License version 2 as
  10  * published by the Free Software Foundation.
  11  */
  12
  13 #include <linux/delay.h>
  14 #include <linux/err.h>
  15 #include <linux/gpio.h>
  16 #include <linux/interrupt.h>
  17 #include <linux/mfd/core.h>
  18 #include <linux/module.h>
  19 #include <linux/pm_runtime.h>
  20 #include <linux/regmap.h>
  21 #include <linux/regulator/consumer.h>
  22 #include <linux/slab.h>
  23
  24 #include <linux/mfd/arizona/core.h>
  25 #include <linux/mfd/arizona/registers.h>
  26
  27 #include "arizona.h"
  28
  29 static const char *wm5102_core_supplies[] = {
  30         "AVDD",
  31         "DBVDD1",
  32 };
  33
  34 int arizona_clk32k_enable(struct arizona *arizona)
  35 {
  36         int ret = 0;
  37
  38         mutex_lock(&arizona->clk_lock);
  39
  40         arizona->clk32k_ref++;
  41
  42         if (arizona->clk32k_ref == 1) {
  43                 switch (arizona->pdata.clk32k_src) {
  44                 case ARIZONA_32KZ_MCLK1:
  45                         ret = pm_runtime_get_sync(arizona->dev);
  46                         if (ret != 0)
  47                                 goto out;
  48                         break;
  49                 }
  50
  51                 ret = regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
  52                                          ARIZONA_CLK_32K_ENA,
  53                                          ARIZONA_CLK_32K_ENA);
  54         }
  55
  56 out:
  57         if (ret != 0)
  58                 arizona->clk32k_ref--;
  59
  60         mutex_unlock(&arizona->clk_lock);
  61
  62         return ret;
  63 }
  64 EXPORT_SYMBOL_GPL(arizona_clk32k_enable);
  65
  66 int arizona_clk32k_disable(struct arizona *arizona)
  67 {
  68         int ret = 0;
  69
  70         mutex_lock(&arizona->clk_lock);
  71
  72         BUG_ON(arizona->clk32k_ref <= 0);
  73
  74         arizona->clk32k_ref--;
  75
  76         if (arizona->clk32k_ref == 0) {
  77                 regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
  78                                    ARIZONA_CLK_32K_ENA, 0);
  79
  80                 switch (arizona->pdata.clk32k_src) {
  81                 case ARIZONA_32KZ_MCLK1:
  82                         pm_runtime_put_sync(arizona->dev);
  83                         break;
  84                 }
  85         }
  86
  87         mutex_unlock(&arizona->clk_lock);
  88
  89         return ret;
  90 }
  91 EXPORT_SYMBOL_GPL(arizona_clk32k_disable);
  92
  93 static irqreturn_t arizona_clkgen_err(int irq, void *data)
  94 {
  95         struct arizona *arizona = data;
  96
  97         dev_err(arizona->dev, "CLKGEN error\n");
  98
  99         return IRQ_HANDLED;
 100 }
 101
 102 static irqreturn_t arizona_underclocked(int irq, void *data)
 103 {
 104         struct arizona *arizona = data;
 105         unsigned int val;
 106         int ret;
 107
 108         ret = regmap_read(arizona->regmap, ARIZONA_INTERRUPT_RAW_STATUS_8,
 109                           &val);
 110         if (ret != 0) {
 111                 dev_err(arizona->dev, "Failed to read underclock status: %d\n",
 112                         ret);
 113                 return IRQ_NONE;
 114         }
 115
 116         if (val & ARIZONA_AIF3_UNDERCLOCKED_STS)
 117                 dev_err(arizona->dev, "AIF3 underclocked\n");
 118         if (val & ARIZONA_AIF2_UNDERCLOCKED_STS)
 119                 dev_err(arizona->dev, "AIF2 underclocked\n");
 120         if (val & ARIZONA_AIF1_UNDERCLOCKED_STS)
 121                 dev_err(arizona->dev, "AIF1 underclocked\n");
 122         if (val & ARIZONA_ISRC2_UNDERCLOCKED_STS)
 123                 dev_err(arizona->dev, "ISRC2 underclocked\n");
 124         if (val & ARIZONA_ISRC1_UNDERCLOCKED_STS)
 125                 dev_err(arizona->dev, "ISRC1 underclocked\n");
 126         if (val & ARIZONA_FX_UNDERCLOCKED_STS)
 127                 dev_err(arizona->dev, "FX underclocked\n");
 128         if (val & ARIZONA_ASRC_UNDERCLOCKED_STS)
 129                 dev_err(arizona->dev, "ASRC underclocked\n");
 130         if (val & ARIZONA_DAC_UNDERCLOCKED_STS)
 131                 dev_err(arizona->dev, "DAC underclocked\n");
 132         if (val & ARIZONA_ADC_UNDERCLOCKED_STS)
 133                 dev_err(arizona->dev, "ADC underclocked\n");
 134         if (val & ARIZONA_MIXER_UNDERCLOCKED_STS)
 135                 dev_err(arizona->dev, "Mixer dropped sample\n");
 136
 137         return IRQ_HANDLED;
 138 }
 139
 140 static irqreturn_t arizona_overclocked(int irq, void *data)
 141 {
 142         struct arizona *arizona = data;
 143         unsigned int val[2];
 144         int ret;
 145
 146         ret = regmap_bulk_read(arizona->regmap, ARIZONA_INTERRUPT_RAW_STATUS_6,
 147                                &val[0], 2);
 148         if (ret != 0) {
 149                 dev_err(arizona->dev, "Failed to read overclock status: %d\n",
 150                         ret);
 151                 return IRQ_NONE;
 152         }
 153
 154         if (val[0] & ARIZONA_PWM_OVERCLOCKED_STS)
 155                 dev_err(arizona->dev, "PWM overclocked\n");
 156         if (val[0] & ARIZONA_FX_CORE_OVERCLOCKED_STS)
 157                 dev_err(arizona->dev, "FX core overclocked\n");
 158         if (val[0] & ARIZONA_DAC_SYS_OVERCLOCKED_STS)
 159                 dev_err(arizona->dev, "DAC SYS overclocked\n");
 160         if (val[0] & ARIZONA_DAC_WARP_OVERCLOCKED_STS)
 161                 dev_err(arizona->dev, "DAC WARP overclocked\n");
 162         if (val[0] & ARIZONA_ADC_OVERCLOCKED_STS)
 163                 dev_err(arizona->dev, "ADC overclocked\n");
 164         if (val[0] & ARIZONA_MIXER_OVERCLOCKED_STS)
 165                 dev_err(arizona->dev, "Mixer overclocked\n");
 166         if (val[0] & ARIZONA_AIF3_SYNC_OVERCLOCKED_STS)
 167                 dev_err(arizona->dev, "AIF3 overclocked\n");
 168         if (val[0] & ARIZONA_AIF2_SYNC_OVERCLOCKED_STS)
 169                 dev_err(arizona->dev, "AIF2 overclocked\n");
 170         if (val[0] & ARIZONA_AIF1_SYNC_OVERCLOCKED_STS)
 171                 dev_err(arizona->dev, "AIF1 overclocked\n");
 172         if (val[0] & ARIZONA_PAD_CTRL_OVERCLOCKED_STS)
 173                 dev_err(arizona->dev, "Pad control overclocked\n");
 174
 175         if (val[1] & ARIZONA_SLIMBUS_SUBSYS_OVERCLOCKED_STS)
 176                 dev_err(arizona->dev, "Slimbus subsystem overclocked\n");
 177         if (val[1] & ARIZONA_SLIMBUS_ASYNC_OVERCLOCKED_STS)
 178                 dev_err(arizona->dev, "Slimbus async overclocked\n");
 179         if (val[1] & ARIZONA_SLIMBUS_SYNC_OVERCLOCKED_STS)
 180                 dev_err(arizona->dev, "Slimbus sync overclocked\n");
 181         if (val[1] & ARIZONA_ASRC_ASYNC_SYS_OVERCLOCKED_STS)
 182                 dev_err(arizona->dev, "ASRC async system overclocked\n");
 183         if (val[1] & ARIZONA_ASRC_ASYNC_WARP_OVERCLOCKED_STS)
 184                 dev_err(arizona->dev, "ASRC async WARP overclocked\n");
 185         if (val[1] & ARIZONA_ASRC_SYNC_SYS_OVERCLOCKED_STS)
 186                 dev_err(arizona->dev, "ASRC sync system overclocked\n");
 187         if (val[1] & ARIZONA_ASRC_SYNC_WARP_OVERCLOCKED_STS)
 188                 dev_err(arizona->dev, "ASRC sync WARP overclocked\n");
 189         if (val[1] & ARIZONA_ADSP2_1_OVERCLOCKED_STS)
 190                 dev_err(arizona->dev, "DSP1 overclocked\n");
 191         if (val[1] & ARIZONA_ISRC2_OVERCLOCKED_STS)
 192                 dev_err(arizona->dev, "ISRC2 overclocked\n");
 193         if (val[1] & ARIZONA_ISRC1_OVERCLOCKED_STS)
 194                 dev_err(arizona->dev, "ISRC1 overclocked\n");
 195
 196         return IRQ_HANDLED;
 197 }
 198
 199 static int arizona_wait_for_boot(struct arizona *arizona)
 200 {
 201         unsigned int reg;
 202         int ret, i;
 203
 204         /*
 205          * We can't use an interrupt as we need to runtime resume to do so,
 206          * we won't race with the interrupt handler as it'll be blocked on
 207          * runtime resume.
 208          */
 209         for (i = 0; i < 5; i++) {
 210                 msleep(1);
 211
 212                 ret = regmap_read(arizona->regmap,
 213                                   ARIZONA_INTERRUPT_RAW_STATUS_5, &reg);
 214                 if (ret != 0) {
 215                         dev_err(arizona->dev, "Failed to read boot state: %d\n",
 216                                 ret);
 217                         continue;
 218                 }
 219
 220                 if (reg & ARIZONA_BOOT_DONE_STS)
 221                         break;
 222         }
 223
 224         if (reg & ARIZONA_BOOT_DONE_STS) {
 225                 regmap_write(arizona->regmap, ARIZONA_INTERRUPT_STATUS_5,
 226                              ARIZONA_BOOT_DONE_STS);
 227         } else {
 228                 dev_err(arizona->dev, "Device boot timed out: %x\n", reg);
 229                 return -ETIMEDOUT;
 230         }
 231
 232         pm_runtime_mark_last_busy(arizona->dev);
 233
 234         return 0;
 235 }
 236
 237 #ifdef CONFIG_PM_RUNTIME
 238 static int arizona_runtime_resume(struct device *dev)
 239 {
 240         struct arizona *arizona = dev_get_drvdata(dev);
 241         int ret;
 242
 243         dev_dbg(arizona->dev, "Leaving AoD mode\n");
 244
 245         ret = regulator_enable(arizona->dcvdd);
 246         if (ret != 0) {
 247                 dev_err(arizona->dev, "Failed to enable DCVDD: %d\n", ret);
 248                 return ret;
 249         }
 250
 251         regcache_cache_only(arizona->regmap, false);
 252
 253         ret = arizona_wait_for_boot(arizona);
 254         if (ret != 0) {
 255                 goto err;
 256         }
 257
 258         switch (arizona->type) {
 259         case WM5102:
 260                 ret = wm5102_patch(arizona);
 261                 if (ret != 0) {
 262                         dev_err(arizona->dev, "Failed to apply patch: %d\n",
 263                                 ret);
 264                         goto err;
 265                 }
 266         }
 267
 268         ret = regcache_sync(arizona->regmap);
 269         if (ret != 0) {
 270                 dev_err(arizona->dev, "Failed to restore register cache\n");
 271                 goto err;
 272         }
 273
 274         return 0;
 275
 276 err:
 277         regcache_cache_only(arizona->regmap, true);
 278         regulator_disable(arizona->dcvdd);
 279         return ret;
 280 }
 281
 282 static int arizona_runtime_suspend(struct device *dev)
 283 {
 284         struct arizona *arizona = dev_get_drvdata(dev);
 285
 286         dev_dbg(arizona->dev, "Entering AoD mode\n");
 287
 288         regulator_disable(arizona->dcvdd);
 289         regcache_cache_only(arizona->regmap, true);
 290         regcache_mark_dirty(arizona->regmap);
 291
 292         return 0;
 293 }
 294 #endif
 295
 296 #ifdef CONFIG_PM_SLEEP
 297 static int arizona_resume_noirq(struct device *dev)
 298 {
 299         struct arizona *arizona = dev_get_drvdata(dev);
 300
 301         dev_dbg(arizona->dev, "Early resume, disabling IRQ\n");
 302         disable_irq(arizona->irq);
 303
 304         return 0;
 305 }
 306
 307 static int arizona_resume(struct device *dev)
 308 {
 309         struct arizona *arizona = dev_get_drvdata(dev);
 310
 311         dev_dbg(arizona->dev, "Late resume, reenabling IRQ\n");
 312         enable_irq(arizona->irq);
 313
 314         return 0;
 315 }
 316 #endif
 317
 318 const struct dev_pm_ops arizona_pm_ops = {
 319         SET_RUNTIME_PM_OPS(arizona_runtime_suspend,
 320                            arizona_runtime_resume,
 321                            NULL)
 322         SET_SYSTEM_SLEEP_PM_OPS(NULL, arizona_resume)
 323 #ifdef CONFIG_PM_SLEEP
 324         .resume_noirq = arizona_resume_noirq,
 325 #endif
 326 };
 327 EXPORT_SYMBOL_GPL(arizona_pm_ops);
 328
 329 static struct mfd_cell early_devs[] = {
 330         { .name = "arizona-ldo1" },
 331 };
 332
 333 static struct mfd_cell wm5102_devs[] = {
 334         { .name = "arizona-micsupp" },
 335         { .name = "arizona-extcon" },
 336         { .name = "arizona-gpio" },
 337         { .name = "arizona-haptics" },
 338         { .name = "arizona-pwm" },
 339         { .name = "wm5102-codec" },
 340 };
 341
 342 static struct mfd_cell wm5110_devs[] = {
 343         { .name = "arizona-micsupp" },
 344         { .name = "arizona-extcon" },
 345         { .name = "arizona-gpio" },
 346         { .name = "arizona-haptics" },
 347         { .name = "arizona-pwm" },
 348         { .name = "wm5110-codec" },
 349 };
 350
 351 int arizona_dev_init(struct arizona *arizona)
 352 {
 353         struct device *dev = arizona->dev;
 354         const char *type_name;
 355         unsigned int reg, val;
 356         int (*apply_patch)(struct arizona *) = NULL;
 357         int ret, i;
 358
 359         dev_set_drvdata(arizona->dev, arizona);
 360         mutex_init(&arizona->clk_lock);
 361
 362         if (dev_get_platdata(arizona->dev))
 363                 memcpy(&arizona->pdata, dev_get_platdata(arizona->dev),
 364                        sizeof(arizona->pdata));
 365
 366         regcache_cache_only(arizona->regmap, true);
 367
 368         switch (arizona->type) {
 369         case WM5102:
 370         case WM5110:
 371                 for (i = 0; i < ARRAY_SIZE(wm5102_core_supplies); i++)
 372                         arizona->core_supplies[i].supply
 373                                 = wm5102_core_supplies[i];
 374                 arizona->num_core_supplies = ARRAY_SIZE(wm5102_core_supplies);
 375                 break;
 376         default:
 377                 dev_err(arizona->dev, "Unknown device type %d\n",
 378                         arizona->type);
 379                 return -EINVAL;
 380         }
 381
 382         ret = mfd_add_devices(arizona->dev, -1, early_devs,
 383                               ARRAY_SIZE(early_devs), NULL, 0, NULL);
 384         if (ret != 0) {
 385                 dev_err(dev, "Failed to add early children: %d\n", ret);
 386                 return ret;
 387         }
 388
 389         ret = devm_regulator_bulk_get(dev, arizona->num_core_supplies,
 390                                       arizona->core_supplies);
 391         if (ret != 0) {
 392                 dev_err(dev, "Failed to request core supplies: %d\n",
 393                         ret);
 394                 goto err_early;
 395         }
 396
 397         arizona->dcvdd = devm_regulator_get(arizona->dev, "DCVDD");
 398         if (IS_ERR(arizona->dcvdd)) {
 399                 ret = PTR_ERR(arizona->dcvdd);
 400                 dev_err(dev, "Failed to request DCVDD: %d\n", ret);
 401                 goto err_early;
 402         }
 403
 404         ret = regulator_bulk_enable(arizona->num_core_supplies,
 405                                     arizona->core_supplies);
 406         if (ret != 0) {
 407                 dev_err(dev, "Failed to enable core supplies: %d\n",
 408                         ret);
 409                 goto err_early;
 410         }
 411
 412         ret = regulator_enable(arizona->dcvdd);
 413         if (ret != 0) {
 414                 dev_err(dev, "Failed to enable DCVDD: %d\n", ret);
 415                 goto err_enable;
 416         }
 417
 418         if (arizona->pdata.reset) {
 419                 /* Start out with /RESET low to put the chip into reset */
 420                 ret = gpio_request_one(arizona->pdata.reset,
 421                                        GPIOF_DIR_OUT | GPIOF_INIT_LOW,
 422                                        "arizona /RESET");
 423                 if (ret != 0) {
 424                         dev_err(dev, "Failed to request /RESET: %d\n", ret);
 425                         goto err_dcvdd;
 426                 }
 427
 428                 gpio_set_value_cansleep(arizona->pdata.reset, 1);
 429         }
 430
 431         regcache_cache_only(arizona->regmap, false);
 432
 433         ret = regmap_read(arizona->regmap, ARIZONA_SOFTWARE_RESET, &reg);
 434         if (ret != 0) {
 435                 dev_err(dev, "Failed to read ID register: %d\n", ret);
 436                 goto err_reset;
 437         }
 438
 439         ret = regmap_read(arizona->regmap, ARIZONA_DEVICE_REVISION,
 440                           &arizona->rev);
 441         if (ret != 0) {
 442                 dev_err(dev, "Failed to read revision register: %d\n", ret);
 443                 goto err_reset;
 444         }
 445         arizona->rev &= ARIZONA_DEVICE_REVISION_MASK;
 446
 447         switch (reg) {
 448 #ifdef CONFIG_MFD_WM5102
 449         case 0x5102:
 450                 type_name = "WM5102";
 451                 if (arizona->type != WM5102) {
 452                         dev_err(arizona->dev, "WM5102 registered as %d\n",
 453                                 arizona->type);
 454                         arizona->type = WM5102;
 455                 }
 456                 apply_patch = wm5102_patch;
 457                 arizona->rev &= 0x7;
 458                 break;
 459 #endif
 460 #ifdef CONFIG_MFD_WM5110
 461         case 0x5110:
 462                 type_name = "WM5110";
 463                 if (arizona->type != WM5110) {
 464                         dev_err(arizona->dev, "WM5110 registered as %d\n",
 465                                 arizona->type);
 466                         arizona->type = WM5110;
 467                 }
 468                 apply_patch = wm5110_patch;
 469                 break;
 470 #endif
 471         default:
 472                 dev_err(arizona->dev, "Unknown device ID %x\n", reg);
 473                 goto err_reset;
 474         }
 475
 476         dev_info(dev, "%s revision %c\n", type_name, arizona->rev + 'A');
 477
 478         /* If we have a /RESET GPIO we'll already be reset */
 479         if (!arizona->pdata.reset) {
 480                 regcache_mark_dirty(arizona->regmap);
 481
 482                 ret = regmap_write(arizona->regmap, ARIZONA_SOFTWARE_RESET, 0);
 483                 if (ret != 0) {
 484                         dev_err(dev, "Failed to reset device: %d\n", ret);
 485                         goto err_reset;
 486                 }
 487
 488                 ret = regcache_sync(arizona->regmap);
 489                 if (ret != 0) {
 490                         dev_err(dev, "Failed to sync device: %d\n", ret);
 491                         goto err_reset;
 492                 }
 493         }
 494
 495         ret = arizona_wait_for_boot(arizona);
 496         if (ret != 0) {
 497                 dev_err(arizona->dev, "Device failed initial boot: %d\n", ret);
 498                 goto err_reset;
 499         }
 500
 501         if (apply_patch) {
 502                 ret = apply_patch(arizona);
 503                 if (ret != 0) {
 504                         dev_err(arizona->dev, "Failed to apply patch: %d\n",
 505                                 ret);
 506                         goto err_reset;
 507                 }
 508         }
 509
 510         for (i = 0; i < ARRAY_SIZE(arizona->pdata.gpio_defaults); i++) {
 511                 if (!arizona->pdata.gpio_defaults[i])
 512                         continue;
 513
 514                 regmap_write(arizona->regmap, ARIZONA_GPIO1_CTRL + i,
 515                              arizona->pdata.gpio_defaults[i]);
 516         }
 517
 518         pm_runtime_set_autosuspend_delay(arizona->dev, 100);
 519         pm_runtime_use_autosuspend(arizona->dev);
 520         pm_runtime_enable(arizona->dev);
 521
 522         /* Chip default */
 523         if (!arizona->pdata.clk32k_src)
 524                 arizona->pdata.clk32k_src = ARIZONA_32KZ_MCLK2;
 525
 526         switch (arizona->pdata.clk32k_src) {
 527         case ARIZONA_32KZ_MCLK1:
 528         case ARIZONA_32KZ_MCLK2:
 529                 regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
 530                                    ARIZONA_CLK_32K_SRC_MASK,
 531                                    arizona->pdata.clk32k_src - 1);
 532                 arizona_clk32k_enable(arizona);
 533                 break;
 534         case ARIZONA_32KZ_NONE:
 535                 regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
 536                                    ARIZONA_CLK_32K_SRC_MASK, 2);
 537                 break;
 538         default:
 539                 dev_err(arizona->dev, "Invalid 32kHz clock source: %d\n",
 540                         arizona->pdata.clk32k_src);
 541                 ret = -EINVAL;
 542                 goto err_reset;
 543         }
 544
 545         for (i = 0; i < ARIZONA_MAX_MICBIAS; i++) {
 546                 if (!arizona->pdata.micbias[i].mV &&
 547                     !arizona->pdata.micbias[i].bypass)
 548                         continue;
 549
 550                 /* Apply default for bypass mode */
 551                 if (!arizona->pdata.micbias[i].mV)
 552                         arizona->pdata.micbias[i].mV = 2800;
 553
 554                 val = (arizona->pdata.micbias[i].mV - 1500) / 100;
 555
 556                 val <<= ARIZONA_MICB1_LVL_SHIFT;
 557
 558                 if (arizona->pdata.micbias[i].ext_cap)
 559                         val |= ARIZONA_MICB1_EXT_CAP;
 560
 561                 if (arizona->pdata.micbias[i].discharge)
 562                         val |= ARIZONA_MICB1_DISCH;
 563
 564                 if (arizona->pdata.micbias[i].fast_start)
 565                         val |= ARIZONA_MICB1_RATE;
 566
 567                 if (arizona->pdata.micbias[i].bypass)
 568                         val |= ARIZONA_MICB1_BYPASS;
 569
 570                 regmap_update_bits(arizona->regmap,
 571                                    ARIZONA_MIC_BIAS_CTRL_1 + i,
 572                                    ARIZONA_MICB1_LVL_MASK |
 573                                    ARIZONA_MICB1_DISCH |
 574                                    ARIZONA_MICB1_BYPASS |
 575                                    ARIZONA_MICB1_RATE, val);
 576         }
 577
 578         for (i = 0; i < ARIZONA_MAX_INPUT; i++) {
 579                 /* Default for both is 0 so noop with defaults */
 580                 val = arizona->pdata.dmic_ref[i]
 581                         << ARIZONA_IN1_DMIC_SUP_SHIFT;
 582                 val |= arizona->pdata.inmode[i] << ARIZONA_IN1_MODE_SHIFT;
 583
 584                 regmap_update_bits(arizona->regmap,
 585                                    ARIZONA_IN1L_CONTROL + (i * 8),
 586                                    ARIZONA_IN1_DMIC_SUP_MASK |
 587                                    ARIZONA_IN1_MODE_MASK, val);
 588         }
 589
 590         for (i = 0; i < ARIZONA_MAX_OUTPUT; i++) {
 591                 /* Default is 0 so noop with defaults */
 592                 if (arizona->pdata.out_mono[i])
 593                         val = ARIZONA_OUT1_MONO;
 594                 else
 595                         val = 0;
 596
 597                 regmap_update_bits(arizona->regmap,
 598                                    ARIZONA_OUTPUT_PATH_CONFIG_1L + (i * 8),
 599                                    ARIZONA_OUT1_MONO, val);
 600         }
 601
 602         for (i = 0; i < ARIZONA_MAX_PDM_SPK; i++) {
 603                 if (arizona->pdata.spk_mute[i])
 604                         regmap_update_bits(arizona->regmap,
 605                                            ARIZONA_PDM_SPK1_CTRL_1 + (i * 2),
 606                                            ARIZONA_SPK1_MUTE_ENDIAN_MASK |
 607                                            ARIZONA_SPK1_MUTE_SEQ1_MASK,
 608                                            arizona->pdata.spk_mute[i]);
 609
 610                 if (arizona->pdata.spk_fmt[i])
 611                         regmap_update_bits(arizona->regmap,
 612                                            ARIZONA_PDM_SPK1_CTRL_2 + (i * 2),
 613                                            ARIZONA_SPK1_FMT_MASK,
 614                                            arizona->pdata.spk_fmt[i]);
 615         }
 616
 617         /* Set up for interrupts */
 618         ret = arizona_irq_init(arizona);
 619         if (ret != 0)
 620                 goto err_reset;
 621
 622         arizona_request_irq(arizona, ARIZONA_IRQ_CLKGEN_ERR, "CLKGEN error",
 623                             arizona_clkgen_err, arizona);
 624         arizona_request_irq(arizona, ARIZONA_IRQ_OVERCLOCKED, "Overclocked",
 625                             arizona_overclocked, arizona);
 626         arizona_request_irq(arizona, ARIZONA_IRQ_UNDERCLOCKED, "Underclocked",
 627                             arizona_underclocked, arizona);
 628
 629         switch (arizona->type) {
 630         case WM5102:
 631                 ret = mfd_add_devices(arizona->dev, -1, wm5102_devs,
 632                                       ARRAY_SIZE(wm5102_devs), NULL, 0, NULL);
 633                 break;
 634         case WM5110:
 635                 ret = mfd_add_devices(arizona->dev, -1, wm5110_devs,
 636                                       ARRAY_SIZE(wm5110_devs), NULL, 0, NULL);
 637                 break;
 638         }
 639
 640         if (ret != 0) {
 641                 dev_err(arizona->dev, "Failed to add subdevices: %d\n", ret);
 642                 goto err_irq;
 643         }
 644
 645 #ifdef CONFIG_PM_RUNTIME
 646         regulator_disable(arizona->dcvdd);
 647 #endif
 648
 649         return 0;
 650
 651 err_irq:
 652         arizona_irq_exit(arizona);
 653 err_reset:
 654         if (arizona->pdata.reset) {
 655                 gpio_set_value_cansleep(arizona->pdata.reset, 1);
 656                 gpio_free(arizona->pdata.reset);
 657         }
 658 err_dcvdd:
 659         regulator_disable(arizona->dcvdd);
 660 err_enable:
 661         regulator_bulk_disable(arizona->num_core_supplies,
 662                                arizona->core_supplies);
 663 err_early:
 664         mfd_remove_devices(dev);
 665         return ret;
 666 }
 667 EXPORT_SYMBOL_GPL(arizona_dev_init);
 668
 669 int arizona_dev_exit(struct arizona *arizona)
 670 {
 671         mfd_remove_devices(arizona->dev);
 672         arizona_free_irq(arizona, ARIZONA_IRQ_UNDERCLOCKED, arizona);
 673         arizona_free_irq(arizona, ARIZONA_IRQ_OVERCLOCKED, arizona);
 674         arizona_free_irq(arizona, ARIZONA_IRQ_CLKGEN_ERR, arizona);
 675         pm_runtime_disable(arizona->dev);
 676         arizona_irq_exit(arizona);
 677         return 0;
 678 }
 679 EXPORT_SYMBOL_GPL(arizona_dev_exit);