drivers/staging/brcm80211/brcmfmac/bcmsdh_linux.c

   1 /*
   2  * Copyright (c) 2010 Broadcom Corporation
   3  *
   4  * Permission to use, copy, modify, and/or distribute this software for any
   5  * purpose with or without fee is hereby granted, provided that the above
   6  * copyright notice and this permission notice appear in all copies.
   7  *
   8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
  11  * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
  13  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
  14  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15  */
  16
  17 /**
  18  * @file bcmsdh_linux.c
  19  */
  20
  21 #define __UNDEF_NO_VERSION__
  22
  23 #include <typedefs.h>
  24 #include <linuxver.h>
  25
  26 #include <linux/pci.h>
  27 #include <linux/completion.h>
  28
  29 #include <osl.h>
  30 #include <pcicfg.h>
  31 #include <bcmdefs.h>
  32 #include <bcmdevs.h>
  33
  34 #if defined(OOB_INTR_ONLY)
  35 #include <linux/irq.h>
  36 extern void dhdsdio_isr(void *args);
  37 #include <bcmutils.h>
  38 #include <dngl_stats.h>
  39 #include <dhd.h>
  40 #endif                          /* defined(OOB_INTR_ONLY) */
  41 #if defined(CONFIG_MACH_SANDGATE2G) || defined(CONFIG_MACH_LOGICPD_PXA270)
  42 #if !defined(BCMPLATFORM_BUS)
  43 #define BCMPLATFORM_BUS
  44 #endif                          /* !defined(BCMPLATFORM_BUS) */
  45
  46 #include <linux/platform_device.h>
  47 #endif                          /* CONFIG_MACH_SANDGATE2G */
  48
  49 /**
  50  * SDIO Host Controller info
  51  */
  52 typedef struct bcmsdh_hc bcmsdh_hc_t;
  53
  54 struct bcmsdh_hc {
  55         bcmsdh_hc_t *next;
  56 #ifdef BCMPLATFORM_BUS
  57         struct device *dev;     /* platform device handle */
  58 #else
  59         struct pci_dev *dev;    /* pci device handle */
  60 #endif                          /* BCMPLATFORM_BUS */
  61         osl_t *osh;
  62         void *regs;             /* SDIO Host Controller address */
  63         bcmsdh_info_t *sdh;     /* SDIO Host Controller handle */
  64         void *ch;
  65         unsigned int oob_irq;
  66         unsigned long oob_flags;        /* OOB Host specifiction
  67                                         as edge and etc */
  68         bool oob_irq_registered;
  69 #if defined(OOB_INTR_ONLY)
  70         spinlock_t irq_lock;
  71 #endif
  72 };
  73 static bcmsdh_hc_t *sdhcinfo = NULL;
  74
  75 /* driver info, initialized when bcmsdh_register is called */
  76 static bcmsdh_driver_t drvinfo = { NULL, NULL };
  77
  78 /* debugging macros */
  79 #define SDLX_MSG(x)
  80
  81 /**
  82  * Checks to see if vendor and device IDs match a supported SDIO Host Controller.
  83  */
  84 bool bcmsdh_chipmatch(uint16 vendor, uint16 device)
  85 {
  86         /* Add other vendors and devices as required */
  87
  88 #ifdef BCMSDIOH_STD
  89         /* Check for Arasan host controller */
  90         if (vendor == VENDOR_SI_IMAGE)
  91                 return TRUE;
  92
  93         /* Check for BRCM 27XX Standard host controller */
  94         if (device == BCM27XX_SDIOH_ID && vendor == VENDOR_BROADCOM)
  95                 return TRUE;
  96
  97         /* Check for BRCM Standard host controller */
  98         if (device == SDIOH_FPGA_ID && vendor == VENDOR_BROADCOM)
  99                 return TRUE;
 100
 101         /* Check for TI PCIxx21 Standard host controller */
 102         if (device == PCIXX21_SDIOH_ID && vendor == VENDOR_TI)
 103                 return TRUE;
 104
 105         if (device == PCIXX21_SDIOH0_ID && vendor == VENDOR_TI)
 106                 return TRUE;
 107
 108         /* Ricoh R5C822 Standard SDIO Host */
 109         if (device == R5C822_SDIOH_ID && vendor == VENDOR_RICOH)
 110                 return TRUE;
 111
 112         /* JMicron Standard SDIO Host */
 113         if (device == JMICRON_SDIOH_ID && vendor == VENDOR_JMICRON)
 114                 return TRUE;
 115 #endif                          /* BCMSDIOH_STD */
 116 #ifdef BCMSDIOH_SPI
 117         /* This is the PciSpiHost. */
 118         if (device == SPIH_FPGA_ID && vendor == VENDOR_BROADCOM) {
 119                 printf("Found PCI SPI Host Controller\n");
 120                 return TRUE;
 121         }
 122 #endif                          /* BCMSDIOH_SPI */
 123
 124         return FALSE;
 125 }
 126
 127 #if defined(BCMPLATFORM_BUS)
 128 #if defined(BCMLXSDMMC)
 129 /* forward declarations */
 130 int bcmsdh_probe(struct device *dev);
 131 EXPORT_SYMBOL(bcmsdh_probe);
 132
 133 int bcmsdh_remove(struct device *dev);
 134 EXPORT_SYMBOL(bcmsdh_remove);
 135
 136 #else
 137 /* forward declarations */
 138 static int __devinit bcmsdh_probe(struct device *dev);
 139 static int __devexit bcmsdh_remove(struct device *dev);
 140 #endif                          /* BCMLXSDMMC */
 141
 142 #ifndef BCMLXSDMMC
 143 static struct device_driver bcmsdh_driver = {
 144         .name = "pxa2xx-mci",
 145         .bus = &platform_bus_type,
 146         .probe = bcmsdh_probe,
 147         .remove = bcmsdh_remove,
 148         .suspend = NULL,
 149         .resume = NULL,
 150 };
 151 #endif                          /* BCMLXSDMMC */
 152
 153 #ifndef BCMLXSDMMC
 154 static
 155 #endif                          /* BCMLXSDMMC */
 156 int bcmsdh_probe(struct device *dev)
 157 {
 158         osl_t *osh = NULL;
 159         bcmsdh_hc_t *sdhc = NULL;
 160         unsigned long regs = 0;
 161         bcmsdh_info_t *sdh = NULL;
 162 #if !defined(BCMLXSDMMC) && defined(BCMPLATFORM_BUS)
 163         struct platform_device *pdev;
 164         struct resource *r;
 165 #endif                          /* BCMLXSDMMC */
 166         int irq = 0;
 167         uint32 vendevid;
 168         unsigned long irq_flags = 0;
 169
 170 #if !defined(BCMLXSDMMC) && defined(BCMPLATFORM_BUS)
 171         pdev = to_platform_device(dev);
 172         r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 173         irq = platform_get_irq(pdev, 0);
 174         if (!r || irq == NO_IRQ)
 175                 return -ENXIO;
 176 #endif                          /* BCMLXSDMMC */
 177
 178 #if defined(OOB_INTR_ONLY)
 179 #ifdef HW_OOB
 180         irq_flags =
 181             IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL |
 182             IORESOURCE_IRQ_SHAREABLE;
 183 #else
 184         irq_flags = IRQF_TRIGGER_FALLING;
 185 #endif                          /* HW_OOB */
 186         irq = dhd_customer_oob_irq_map(&irq_flags);
 187         if (irq < 0) {
 188                 SDLX_MSG(("%s: Host irq is not defined\n", __func__));
 189                 return 1;
 190         }
 191 #endif                          /* defined(OOB_INTR_ONLY) */
 192         /* allocate SDIO Host Controller state info */
 193         if (!(osh = osl_attach(dev, PCI_BUS, FALSE))) {
 194                 SDLX_MSG(("%s: osl_attach failed\n", __func__));
 195                 goto err;
 196         }
 197         if (!(sdhc = MALLOC(osh, sizeof(bcmsdh_hc_t)))) {
 198                 SDLX_MSG(("%s: out of memory, allocated %d bytes\n",
 199                           __func__, MALLOCED(osh)));
 200                 goto err;
 201         }
 202         bzero(sdhc, sizeof(bcmsdh_hc_t));
 203         sdhc->osh = osh;
 204
 205         sdhc->dev = (void *)dev;
 206
 207 #ifdef BCMLXSDMMC
 208         if (!(sdh = bcmsdh_attach(osh, (void *)0,
 209                  (void **)&regs, irq))) {
 210                 SDLX_MSG(("%s: bcmsdh_attach failed\n", __func__));
 211                 goto err;
 212         }
 213 #else
 214         if (!(sdh = bcmsdh_attach(osh, (void *)r->start,
 215                  (void **)&regs, irq))) {
 216                 SDLX_MSG(("%s: bcmsdh_attach failed\n", __func__));
 217                 goto err;
 218         }
 219 #endif                          /* BCMLXSDMMC */
 220         sdhc->sdh = sdh;
 221         sdhc->oob_irq = irq;
 222         sdhc->oob_flags = irq_flags;
 223         sdhc->oob_irq_registered = FALSE;       /* to make sure.. */
 224 #if defined(OOB_INTR_ONLY)
 225         spin_lock_init(&sdhc->irq_lock);
 226 #endif
 227
 228         /* chain SDIO Host Controller info together */
 229         sdhc->next = sdhcinfo;
 230         sdhcinfo = sdhc;
 231         /* Read the vendor/device ID from the CIS */
 232         vendevid = bcmsdh_query_device(sdh);
 233
 234         /* try to attach to the target device */
 235         if (!(sdhc->ch = drvinfo.attach((vendevid >> 16),
 236                                         (vendevid & 0xFFFF), 0, 0, 0, 0,
 237                                         (void *)regs, NULL, sdh))) {
 238                 SDLX_MSG(("%s: device attach failed\n", __func__));
 239                 goto err;
 240         }
 241
 242         return 0;
 243
 244         /* error handling */
 245 err:
 246         if (sdhc) {
 247                 if (sdhc->sdh)
 248                         bcmsdh_detach(sdhc->osh, sdhc->sdh);
 249                 MFREE(osh, sdhc, sizeof(bcmsdh_hc_t));
 250         }
 251         if (osh)
 252                 osl_detach(osh);
 253         return -ENODEV;
 254 }
 255
 256 #ifndef BCMLXSDMMC
 257 static
 258 #endif                          /* BCMLXSDMMC */
 259 int bcmsdh_remove(struct device *dev)
 260 {
 261         bcmsdh_hc_t *sdhc, *prev;
 262         osl_t *osh;
 263
 264         sdhc = sdhcinfo;
 265         drvinfo.detach(sdhc->ch);
 266         bcmsdh_detach(sdhc->osh, sdhc->sdh);
 267         /* find the SDIO Host Controller state for this pdev
 268                  and take it out from the list */
 269         for (sdhc = sdhcinfo, prev = NULL; sdhc; sdhc = sdhc->next) {
 270                 if (sdhc->dev == (void *)dev) {
 271                         if (prev)
 272                                 prev->next = sdhc->next;
 273                         else
 274                                 sdhcinfo = NULL;
 275                         break;
 276                 }
 277                 prev = sdhc;
 278         }
 279         if (!sdhc) {
 280                 SDLX_MSG(("%s: failed\n", __func__));
 281                 return 0;
 282         }
 283
 284         /* release SDIO Host Controller info */
 285         osh = sdhc->osh;
 286         MFREE(osh, sdhc, sizeof(bcmsdh_hc_t));
 287         osl_detach(osh);
 288
 289 #if !defined(BCMLXSDMMC)
 290         dev_set_drvdata(dev, NULL);
 291 #endif                          /* !defined(BCMLXSDMMC) */
 292
 293         return 0;
 294 }
 295
 296 #else                           /* BCMPLATFORM_BUS */
 297
 298 #if !defined(BCMLXSDMMC)
 299 /* forward declarations for PCI probe and remove functions. */
 300 static int __devinit bcmsdh_pci_probe(struct pci_dev *pdev,
 301                                       const struct pci_device_id *ent);
 302 static void __devexit bcmsdh_pci_remove(struct pci_dev *pdev);
 303
 304 /**
 305  * pci id table
 306  */
 307 static struct pci_device_id bcmsdh_pci_devid[] __devinitdata = {
 308 {
 309         .vendor = PCI_ANY_ID,
 310         .device = PCI_ANY_ID,
 311         .subvendor = PCI_ANY_ID,
 312         .subdevice = PCI_ANY_ID,
 313         .class = 0,
 314         .class_mask = 0,
 315         .driver_data = 0,
 316 },
 317 {0,}
 318 };
 319
 320 MODULE_DEVICE_TABLE(pci, bcmsdh_pci_devid);
 321
 322 /**
 323  * SDIO Host Controller pci driver info
 324  */
 325 static struct pci_driver bcmsdh_pci_driver = {
 326         .node = {},
 327         .name = "bcmsdh",
 328         .id_table = bcmsdh_pci_devid,
 329         .probe = bcmsdh_pci_probe,
 330         .remove = bcmsdh_pci_remove,
 331         .suspend = NULL,
 332         .resume = NULL,
 333 };
 334
 335 extern uint sd_pci_slot;        /* Force detection to a particular PCI */
 336                                 /* slot only . Allows for having multiple */
 337                                 /* WL devices at once in a PC */
 338                                 /* Only one instance of dhd will be */
 339                                 /* usable at a time */
 340                                 /* Upper word is bus number, */
 341                                 /* lower word is slot number */
 342                                 /* Default value of 0xFFFFffff turns this */
 343                                 /* off */
 344 module_param(sd_pci_slot, uint, 0);
 345
 346 /**
 347  * Detect supported SDIO Host Controller and attach if found.
 348  *
 349  * Determine if the device described by pdev is a supported SDIO Host
 350  * Controller.  If so, attach to it and attach to the target device.
 351  */
 352 static int __devinit
 353 bcmsdh_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 354 {
 355         osl_t *osh = NULL;
 356         bcmsdh_hc_t *sdhc = NULL;
 357         unsigned long regs;
 358         bcmsdh_info_t *sdh = NULL;
 359         int rc;
 360
 361         if (sd_pci_slot != 0xFFFFffff) {
 362                 if (pdev->bus->number != (sd_pci_slot >> 16) ||
 363                     PCI_SLOT(pdev->devfn) != (sd_pci_slot & 0xffff)) {
 364                         SDLX_MSG(("%s: %s: bus %X, slot %X, vend %X, dev %X\n",
 365                                   __func__,
 366                                   bcmsdh_chipmatch(pdev->vendor, pdev->device) ?
 367                                   "Found compatible SDIOHC" :
 368                                   "Probing unknown device",
 369                                   pdev->bus->number, PCI_SLOT(pdev->devfn),
 370                                   pdev->vendor, pdev->device));
 371                         return -ENODEV;
 372                 }
 373                 SDLX_MSG(("%s: %s: bus %X, slot %X, vendor %X, device %X "
 374                         "(good PCI location)\n", __func__,
 375                         bcmsdh_chipmatch(pdev->vendor, pdev->device) ?
 376                         "Using compatible SDIOHC" : "WARNING, forced use "
 377                         "of unkown device",
 378                 pdev->bus->number, PCI_SLOT(pdev->devfn), pdev->vendor,
 379                 pdev->device));
 380         }
 381
 382         if ((pdev->vendor == VENDOR_TI)
 383             && ((pdev->device == PCIXX21_FLASHMEDIA_ID)
 384                 || (pdev->device == PCIXX21_FLASHMEDIA0_ID))) {
 385                 uint32 config_reg;
 386
 387                 SDLX_MSG(("%s: Disabling TI FlashMedia Controller.\n",
 388                           __func__));
 389                 if (!(osh = osl_attach(pdev, PCI_BUS, FALSE))) {
 390                         SDLX_MSG(("%s: osl_attach failed\n", __func__));
 391                         goto err;
 392                 }
 393
 394                 config_reg = OSL_PCI_READ_CONFIG(osh, 0x4c, 4);
 395
 396                 /*
 397                  * Set MMC_SD_DIS bit in FlashMedia Controller.
 398                  * Disbling the SD/MMC Controller in the FlashMedia Controller
 399                  * allows the Standard SD Host Controller to take over control
 400                  * of the SD Slot.
 401                  */
 402                 config_reg |= 0x02;
 403                 OSL_PCI_WRITE_CONFIG(osh, 0x4c, 4, config_reg);
 404                 osl_detach(osh);
 405         }
 406         /* match this pci device with what we support */
 407         /* we can't solely rely on this to believe it is
 408                 our SDIO Host Controller! */
 409         if (!bcmsdh_chipmatch(pdev->vendor, pdev->device))
 410                 return -ENODEV;
 411
 412         /* this is a pci device we might support */
 413         SDLX_MSG(("%s: Found possible SDIO Host Controller: "
 414                 "bus %d slot %d func %d irq %d\n", __func__,
 415                 pdev->bus->number, PCI_SLOT(pdev->devfn),
 416                 PCI_FUNC(pdev->devfn), pdev->irq));
 417
 418         /* use bcmsdh_query_device() to get the vendor ID of the target device
 419          * so it will eventually appear in the Broadcom string on the console
 420          */
 421
 422         /* allocate SDIO Host Controller state info */
 423         if (!(osh = osl_attach(pdev, PCI_BUS, FALSE))) {
 424                 SDLX_MSG(("%s: osl_attach failed\n", __func__));
 425                 goto err;
 426         }
 427         if (!(sdhc = MALLOC(osh, sizeof(bcmsdh_hc_t)))) {
 428                 SDLX_MSG(("%s: out of memory, allocated %d bytes\n",
 429                           __func__, MALLOCED(osh)));
 430                 goto err;
 431         }
 432         bzero(sdhc, sizeof(bcmsdh_hc_t));
 433         sdhc->osh = osh;
 434
 435         sdhc->dev = pdev;
 436
 437         /* map to address where host can access */
 438         pci_set_master(pdev);
 439         rc = pci_enable_device(pdev);
 440         if (rc) {
 441                 SDLX_MSG(("%s: Cannot enable PCI device\n", __func__));
 442                 goto err;
 443         }
 444         if (!
 445             (sdh =
 446              bcmsdh_attach(osh, (void *)(uintptr) pci_resource_start(pdev, 0),
 447                            (void **)&regs, pdev->irq))) {
 448                 SDLX_MSG(("%s: bcmsdh_attach failed\n", __func__));
 449                 goto err;
 450         }
 451
 452         sdhc->sdh = sdh;
 453
 454         /* try to attach to the target device */
 455         if (!(sdhc->ch = drvinfo.attach(VENDOR_BROADCOM, /* pdev->vendor, */
 456                                         bcmsdh_query_device(sdh) & 0xFFFF, 0, 0,
 457                                         0, 0, (void *)regs, NULL, sdh))) {
 458                 SDLX_MSG(("%s: device attach failed\n", __func__));
 459                 goto err;
 460         }
 461
 462         /* chain SDIO Host Controller info together */
 463         sdhc->next = sdhcinfo;
 464         sdhcinfo = sdhc;
 465
 466         return 0;
 467
 468         /* error handling */
 469 err:
 470         if (sdhc->sdh)
 471                 bcmsdh_detach(sdhc->osh, sdhc->sdh);
 472         if (sdhc)
 473                 MFREE(osh, sdhc, sizeof(bcmsdh_hc_t));
 474         if (osh)
 475                 osl_detach(osh);
 476         return -ENODEV;
 477 }
 478
 479 /**
 480  * Detach from target devices and SDIO Host Controller
 481  */
 482 static void __devexit bcmsdh_pci_remove(struct pci_dev *pdev)
 483 {
 484         bcmsdh_hc_t *sdhc, *prev;
 485         osl_t *osh;
 486
 487         /* find the SDIO Host Controller state for this
 488                  pdev and take it out from the list */
 489         for (sdhc = sdhcinfo, prev = NULL; sdhc; sdhc = sdhc->next) {
 490                 if (sdhc->dev == pdev) {
 491                         if (prev)
 492                                 prev->next = sdhc->next;
 493                         else
 494                                 sdhcinfo = NULL;
 495                         break;
 496                 }
 497                 prev = sdhc;
 498         }
 499         if (!sdhc)
 500                 return;
 501
 502         drvinfo.detach(sdhc->ch);
 503
 504         bcmsdh_detach(sdhc->osh, sdhc->sdh);
 505
 506         /* release SDIO Host Controller info */
 507         osh = sdhc->osh;
 508         MFREE(osh, sdhc, sizeof(bcmsdh_hc_t));
 509         osl_detach(osh);
 510 }
 511 #endif                          /* BCMLXSDMMC */
 512 #endif                          /* BCMPLATFORM_BUS */
 513
 514 extern int sdio_function_init(void);
 515
 516 int bcmsdh_register(bcmsdh_driver_t *driver)
 517 {
 518         int error = 0;
 519
 520         drvinfo = *driver;
 521
 522 #if defined(BCMPLATFORM_BUS)
 523 #if defined(BCMLXSDMMC)
 524         SDLX_MSG(("Linux Kernel SDIO/MMC Driver\n"));
 525         error = sdio_function_init();
 526 #else
 527         SDLX_MSG(("Intel PXA270 SDIO Driver\n"));
 528         error = driver_register(&bcmsdh_driver);
 529 #endif                          /* defined(BCMLXSDMMC) */
 530         return error;
 531 #endif                          /* defined(BCMPLATFORM_BUS) */
 532
 533 #if !defined(BCMPLATFORM_BUS) && !defined(BCMLXSDMMC)
 534         if (!(error = pci_register_driver(&bcmsdh_pci_driver)))
 535                 return 0;
 536
 537         SDLX_MSG(("%s: pci_module_init failed 0x%x\n", __func__, error));
 538 #endif                          /* BCMPLATFORM_BUS */
 539
 540         return error;
 541 }
 542
 543 extern void sdio_function_cleanup(void);
 544
 545 void bcmsdh_unregister(void)
 546 {
 547 #if defined(BCMPLATFORM_BUS) && !defined(BCMLXSDMMC)
 548                 driver_unregister(&bcmsdh_driver);
 549 #endif
 550 #if defined(BCMLXSDMMC)
 551         sdio_function_cleanup();
 552 #endif                          /* BCMLXSDMMC */
 553 #if !defined(BCMPLATFORM_BUS) && !defined(BCMLXSDMMC)
 554         pci_unregister_driver(&bcmsdh_pci_driver);
 555 #endif                          /* BCMPLATFORM_BUS */
 556 }
 557
 558 #if defined(OOB_INTR_ONLY)
 559 void bcmsdh_oob_intr_set(bool enable)
 560 {
 561         static bool curstate = 1;
 562         unsigned long flags;
 563
 564         spin_lock_irqsave(&sdhcinfo->irq_lock, flags);
 565         if (curstate != enable) {
 566                 if (enable)
 567                         enable_irq(sdhcinfo->oob_irq);
 568                 else
 569                         disable_irq_nosync(sdhcinfo->oob_irq);
 570                 curstate = enable;
 571         }
 572         spin_unlock_irqrestore(&sdhcinfo->irq_lock, flags);
 573 }
 574
 575 static irqreturn_t wlan_oob_irq(int irq, void *dev_id)
 576 {
 577         dhd_pub_t *dhdp;
 578
 579         dhdp = (dhd_pub_t *) dev_get_drvdata(sdhcinfo->dev);
 580
 581         bcmsdh_oob_intr_set(0);
 582
 583         if (dhdp == NULL) {
 584                 SDLX_MSG(("Out of band GPIO interrupt fired way too early\n"));
 585                 return IRQ_HANDLED;
 586         }
 587
 588         WAKE_LOCK_TIMEOUT(dhdp, WAKE_LOCK_TMOUT, 25);
 589
 590         dhdsdio_isr((void *)dhdp->bus);
 591
 592         return IRQ_HANDLED;
 593 }
 594
 595 int bcmsdh_register_oob_intr(void *dhdp)
 596 {
 597         int error = 0;
 598
 599         SDLX_MSG(("%s Enter\n", __func__));
 600
 601         sdhcinfo->oob_flags =
 602             IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL |
 603             IORESOURCE_IRQ_SHAREABLE;
 604         dev_set_drvdata(sdhcinfo->dev, dhdp);
 605
 606         if (!sdhcinfo->oob_irq_registered) {
 607                 SDLX_MSG(("%s IRQ=%d Type=%X\n", __func__,
 608                           (int)sdhcinfo->oob_irq, (int)sdhcinfo->oob_flags));
 609                 /* Refer to customer Host IRQ docs about
 610                          proper irqflags definition */
 611                 error =
 612                     request_irq(sdhcinfo->oob_irq, wlan_oob_irq,
 613                                 sdhcinfo->oob_flags, "bcmsdh_sdmmc", NULL);
 614                 if (error)
 615                         return -ENODEV;
 616
 617                 set_irq_wake(sdhcinfo->oob_irq, 1);
 618                 sdhcinfo->oob_irq_registered = TRUE;
 619         }
 620
 621         return 0;
 622 }
 623
 624 void bcmsdh_unregister_oob_intr(void)
 625 {
 626         SDLX_MSG(("%s: Enter\n", __func__));
 627
 628         set_irq_wake(sdhcinfo->oob_irq, 0);
 629         disable_irq(sdhcinfo->oob_irq); /* just in case.. */
 630         free_irq(sdhcinfo->oob_irq, NULL);
 631         sdhcinfo->oob_irq_registered = FALSE;
 632 }
 633 #endif                          /* defined(OOB_INTR_ONLY) */
 634 /* Module parameters specific to each host-controller driver */
 635
 636 extern uint sd_msglevel;        /* Debug message level */
 637 module_param(sd_msglevel, uint, 0);
 638
 639 extern uint sd_power;           /* 0 = SD Power OFF,
 640                                          1 = SD Power ON. */
 641 module_param(sd_power, uint, 0);
 642
 643 extern uint sd_clock;           /* SD Clock Control, 0 = SD Clock OFF,
 644                                  1 = SD Clock ON */
 645 module_param(sd_clock, uint, 0);
 646
 647 extern uint sd_divisor;         /* Divisor (-1 means external clock) */
 648 module_param(sd_divisor, uint, 0);
 649
 650 extern uint sd_sdmode;          /* Default is SD4, 0=SPI, 1=SD1, 2=SD4 */
 651 module_param(sd_sdmode, uint, 0);
 652
 653 extern uint sd_hiok;            /* Ok to use hi-speed mode */
 654 module_param(sd_hiok, uint, 0);
 655
 656 extern uint sd_f2_blocksize;
 657 module_param(sd_f2_blocksize, int, 0);