diff options
Diffstat (limited to 'drivers/net/wireless/bcmdhd/bcmsdh_linux.c')
| -rw-r--r-- | drivers/net/wireless/bcmdhd/bcmsdh_linux.c | 741 |
1 files changed, 741 insertions, 0 deletions
diff --git a/drivers/net/wireless/bcmdhd/bcmsdh_linux.c b/drivers/net/wireless/bcmdhd/bcmsdh_linux.c new file mode 100644 index 00000000000..d467e4b5630 --- /dev/null +++ b/drivers/net/wireless/bcmdhd/bcmsdh_linux.c | |||
| @@ -0,0 +1,741 @@ | |||
| 1 | /* | ||
| 2 | * SDIO access interface for drivers - linux specific (pci only) | ||
| 3 | * | ||
| 4 | * Copyright (C) 1999-2011, Broadcom Corporation | ||
| 5 | * | ||
| 6 | * Unless you and Broadcom execute a separate written software license | ||
| 7 | * agreement governing use of this software, this software is licensed to you | ||
| 8 | * under the terms of the GNU General Public License version 2 (the "GPL"), | ||
| 9 | * available at http://www.broadcom.com/licenses/GPLv2.php, with the | ||
| 10 | * following added to such license: | ||
| 11 | * | ||
| 12 | * As a special exception, the copyright holders of this software give you | ||
| 13 | * permission to link this software with independent modules, and to copy and | ||
| 14 | * distribute the resulting executable under terms of your choice, provided that | ||
| 15 | * you also meet, for each linked independent module, the terms and conditions of | ||
| 16 | * the license of that module. An independent module is a module which is not | ||
| 17 | * derived from this software. The special exception does not apply to any | ||
| 18 | * modifications of the software. | ||
| 19 | * | ||
| 20 | * Notwithstanding the above, under no circumstances may you combine this | ||
| 21 | * software in any way with any other Broadcom software provided under a license | ||
| 22 | * other than the GPL, without Broadcom's express prior written consent. | ||
| 23 | * | ||
| 24 | * $Id: bcmsdh_linux.c,v 1.72.6.5 2010-12-23 01:13:15 Exp $ | ||
| 25 | */ | ||
| 26 | |||
| 27 | /** | ||
| 28 | * @file bcmsdh_linux.c | ||
| 29 | */ | ||
| 30 | |||
| 31 | #define __UNDEF_NO_VERSION__ | ||
| 32 | |||
| 33 | #include <typedefs.h> | ||
| 34 | #include <linuxver.h> | ||
| 35 | |||
| 36 | #include <linux/pci.h> | ||
| 37 | #include <linux/completion.h> | ||
| 38 | #include <linux/mmc/sdio_func.h> | ||
| 39 | |||
| 40 | #include <osl.h> | ||
| 41 | #include <pcicfg.h> | ||
| 42 | #include <bcmdefs.h> | ||
| 43 | #include <bcmdevs.h> | ||
| 44 | |||
| 45 | #if defined(OOB_INTR_ONLY) | ||
| 46 | #include <linux/irq.h> | ||
| 47 | extern void dhdsdio_isr(void * args); | ||
| 48 | #include <bcmutils.h> | ||
| 49 | #include <dngl_stats.h> | ||
| 50 | #include <dhd.h> | ||
| 51 | #endif /* defined(OOB_INTR_ONLY) */ | ||
| 52 | |||
| 53 | /** | ||
| 54 | * SDIO Host Controller info | ||
| 55 | */ | ||
| 56 | typedef struct bcmsdh_hc bcmsdh_hc_t; | ||
| 57 | |||
| 58 | struct bcmsdh_hc { | ||
| 59 | bcmsdh_hc_t *next; | ||
| 60 | #ifdef BCMPLATFORM_BUS | ||
| 61 | struct device *dev; /* platform device handle */ | ||
| 62 | #else | ||
| 63 | struct pci_dev *dev; /* pci device handle */ | ||
| 64 | #endif /* BCMPLATFORM_BUS */ | ||
| 65 | osl_t *osh; | ||
| 66 | void *regs; /* SDIO Host Controller address */ | ||
| 67 | bcmsdh_info_t *sdh; /* SDIO Host Controller handle */ | ||
| 68 | void *ch; | ||
| 69 | unsigned int oob_irq; | ||
| 70 | unsigned long oob_flags; /* OOB Host specifiction as edge and etc */ | ||
| 71 | bool oob_irq_registered; | ||
| 72 | bool oob_irq_enable_flag; | ||
| 73 | #if defined(OOB_INTR_ONLY) | ||
| 74 | spinlock_t irq_lock; | ||
| 75 | #endif | ||
| 76 | }; | ||
| 77 | static bcmsdh_hc_t *sdhcinfo = NULL; | ||
| 78 | |||
| 79 | /* driver info, initialized when bcmsdh_register is called */ | ||
| 80 | static bcmsdh_driver_t drvinfo = {NULL, NULL}; | ||
| 81 | |||
| 82 | /* debugging macros */ | ||
| 83 | #define SDLX_MSG(x) | ||
| 84 | |||
| 85 | /** | ||
| 86 | * Checks to see if vendor and device IDs match a supported SDIO Host Controller. | ||
| 87 | */ | ||
| 88 | bool | ||
| 89 | bcmsdh_chipmatch(uint16 vendor, uint16 device) | ||
| 90 | { | ||
| 91 | /* Add other vendors and devices as required */ | ||
| 92 | |||
| 93 | #ifdef BCMSDIOH_STD | ||
| 94 | /* Check for Arasan host controller */ | ||
| 95 | if (vendor == VENDOR_SI_IMAGE) { | ||
| 96 | return (TRUE); | ||
| 97 | } | ||
| 98 | /* Check for BRCM 27XX Standard host controller */ | ||
| 99 | if (device == BCM27XX_SDIOH_ID && vendor == VENDOR_BROADCOM) { | ||
| 100 | return (TRUE); | ||
| 101 | } | ||
| 102 | /* Check for BRCM Standard host controller */ | ||
| 103 | if (device == SDIOH_FPGA_ID && vendor == VENDOR_BROADCOM) { | ||
| 104 | return (TRUE); | ||
| 105 | } | ||
| 106 | /* Check for TI PCIxx21 Standard host controller */ | ||
| 107 | if (device == PCIXX21_SDIOH_ID && vendor == VENDOR_TI) { | ||
| 108 | return (TRUE); | ||
| 109 | } | ||
| 110 | if (device == PCIXX21_SDIOH0_ID && vendor == VENDOR_TI) { | ||
| 111 | return (TRUE); | ||
| 112 | } | ||
| 113 | /* Ricoh R5C822 Standard SDIO Host */ | ||
| 114 | if (device == R5C822_SDIOH_ID && vendor == VENDOR_RICOH) { | ||
| 115 | return (TRUE); | ||
| 116 | } | ||
| 117 | /* JMicron Standard SDIO Host */ | ||
| 118 | if (device == JMICRON_SDIOH_ID && vendor == VENDOR_JMICRON) { | ||
| 119 | return (TRUE); | ||
| 120 | } | ||
| 121 | |||
| 122 | #endif /* BCMSDIOH_STD */ | ||
| 123 | #ifdef BCMSDIOH_SPI | ||
| 124 | /* This is the PciSpiHost. */ | ||
| 125 | if (device == SPIH_FPGA_ID && vendor == VENDOR_BROADCOM) { | ||
| 126 | printf("Found PCI SPI Host Controller\n"); | ||
| 127 | return (TRUE); | ||
| 128 | } | ||
| 129 | |||
| 130 | #endif /* BCMSDIOH_SPI */ | ||
| 131 | |||
| 132 | return (FALSE); | ||
| 133 | } | ||
| 134 | |||
| 135 | #if defined(BCMPLATFORM_BUS) | ||
| 136 | #if defined(BCMLXSDMMC) | ||
| 137 | /* forward declarations */ | ||
| 138 | int bcmsdh_probe_bcmdhd(struct device *dev); | ||
| 139 | int bcmsdh_remove_bcmdhd(struct device *dev); | ||
| 140 | |||
| 141 | EXPORT_SYMBOL(bcmsdh_probe_bcmdhd); | ||
| 142 | EXPORT_SYMBOL(bcmsdh_remove_bcmdhd); | ||
| 143 | |||
| 144 | #else | ||
| 145 | /* forward declarations */ | ||
| 146 | static int __devinit bcmsdh_probe_bcmdhd(struct device *dev); | ||
| 147 | static int __devexit bcmsdh_remove_bcmdhd(struct device *dev); | ||
| 148 | #endif /* BCMLXSDMMC */ | ||
| 149 | |||
| 150 | #ifndef BCMLXSDMMC | ||
| 151 | static struct device_driver bcmsdh_driver = { | ||
| 152 | .name = "pxa2xx-mci", | ||
| 153 | .bus = &platform_bus_type, | ||
| 154 | .probe = bcmsdh_probe_bcmdhd, | ||
| 155 | .remove = bcmsdh_remove_bcmdhd, | ||
| 156 | .suspend = NULL, | ||
| 157 | .resume = NULL, | ||
| 158 | }; | ||
| 159 | #endif /* BCMLXSDMMC */ | ||
| 160 | |||
| 161 | #ifndef BCMLXSDMMC | ||
| 162 | static | ||
| 163 | #endif /* BCMLXSDMMC */ | ||
| 164 | int bcmsdh_probe_bcmdhd(struct device *dev) | ||
| 165 | { | ||
| 166 | osl_t *osh = NULL; | ||
| 167 | bcmsdh_hc_t *sdhc = NULL; | ||
| 168 | ulong regs = 0; | ||
| 169 | bcmsdh_info_t *sdh = NULL; | ||
| 170 | struct sdio_func *func = container_of(dev, struct sdio_func, dev); | ||
| 171 | #if !defined(BCMLXSDMMC) && defined(BCMPLATFORM_BUS) | ||
| 172 | struct platform_device *pdev; | ||
| 173 | struct resource *r; | ||
| 174 | #endif /* BCMLXSDMMC */ | ||
| 175 | int irq = 0; | ||
| 176 | uint32 vendevid; | ||
| 177 | unsigned long irq_flags = 0; | ||
| 178 | |||
| 179 | #if !defined(BCMLXSDMMC) && defined(BCMPLATFORM_BUS) | ||
| 180 | pdev = to_platform_device(dev); | ||
| 181 | r = platform_get_resource(pdev, IORESOURCE_MEM, 0); | ||
| 182 | irq = platform_get_irq(pdev, 0); | ||
| 183 | if (!r || irq == NO_IRQ) | ||
| 184 | return -ENXIO; | ||
| 185 | #endif /* BCMLXSDMMC */ | ||
| 186 | |||
| 187 | #if defined(OOB_INTR_ONLY) | ||
| 188 | #ifdef HW_OOB | ||
| 189 | irq_flags = | ||
| 190 | IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL | IORESOURCE_IRQ_SHAREABLE; | ||
| 191 | #else | ||
| 192 | irq_flags = IRQF_TRIGGER_FALLING; | ||
| 193 | #endif /* HW_OOB */ | ||
| 194 | |||
| 195 | /* Get customer specific OOB IRQ parametres: IRQ number as IRQ type */ | ||
| 196 | irq = dhd_customer_oob_irq_map(&irq_flags); | ||
| 197 | if (irq < 0) { | ||
| 198 | SDLX_MSG(("%s: Host irq is not defined\n", __FUNCTION__)); | ||
| 199 | return 1; | ||
| 200 | } | ||
| 201 | #endif /* defined(OOB_INTR_ONLY) */ | ||
| 202 | /* allocate SDIO Host Controller state info */ | ||
| 203 | if (!(osh = osl_attach(dev, PCI_BUS, FALSE))) { | ||
| 204 | SDLX_MSG(("%s: osl_attach failed\n", __FUNCTION__)); | ||
| 205 | goto err; | ||
| 206 | } | ||
| 207 | if (!(sdhc = MALLOC(osh, sizeof(bcmsdh_hc_t)))) { | ||
| 208 | SDLX_MSG(("%s: out of memory, allocated %d bytes\n", | ||
| 209 | __FUNCTION__, | ||
| 210 | MALLOCED(osh))); | ||
| 211 | goto err; | ||
| 212 | } | ||
| 213 | bzero(sdhc, sizeof(bcmsdh_hc_t)); | ||
| 214 | sdhc->osh = osh; | ||
| 215 | |||
| 216 | sdhc->dev = (void *)dev; | ||
| 217 | |||
| 218 | #ifdef BCMLXSDMMC | ||
| 219 | if (!(sdh = bcmsdh_attach(osh, (void *)0, | ||
| 220 | (void **)®s, irq))) { | ||
| 221 | SDLX_MSG(("%s: bcmsdh_attach failed\n", __FUNCTION__)); | ||
| 222 | goto err; | ||
| 223 | } | ||
| 224 | #else | ||
| 225 | if (!(sdh = bcmsdh_attach(osh, (void *)r->start, | ||
| 226 | (void **)®s, irq))) { | ||
| 227 | SDLX_MSG(("%s: bcmsdh_attach failed\n", __FUNCTION__)); | ||
| 228 | goto err; | ||
| 229 | } | ||
| 230 | #endif /* BCMLXSDMMC */ | ||
| 231 | sdhc->sdh = sdh; | ||
| 232 | sdhc->oob_irq = irq; | ||
| 233 | sdhc->oob_flags = irq_flags; | ||
| 234 | sdhc->oob_irq_registered = FALSE; /* to make sure.. */ | ||
| 235 | sdhc->oob_irq_enable_flag = FALSE; | ||
| 236 | #if defined(OOB_INTR_ONLY) | ||
| 237 | spin_lock_init(&sdhc->irq_lock); | ||
| 238 | #endif | ||
| 239 | |||
| 240 | /* chain SDIO Host Controller info together */ | ||
| 241 | sdhc->next = sdhcinfo; | ||
| 242 | sdhcinfo = sdhc; | ||
| 243 | /* Read the vendor/device ID from the CIS */ | ||
| 244 | vendevid = bcmsdh_query_device(sdh); | ||
| 245 | |||
| 246 | |||
| 247 | /* try to attach to the target device */ | ||
| 248 | if (!(sdhc->ch = drvinfo.attach((vendevid >> 16), | ||
| 249 | func->device, 0, 0, 0, 0, | ||
| 250 | (void *)regs, NULL, sdh, dev))) { | ||
| 251 | SDLX_MSG(("%s: device attach failed\n", __FUNCTION__)); | ||
| 252 | goto err; | ||
| 253 | } | ||
| 254 | |||
| 255 | return 0; | ||
| 256 | |||
| 257 | /* error handling */ | ||
| 258 | err: | ||
| 259 | if (sdhc) { | ||
| 260 | if (sdhc->sdh) | ||
| 261 | bcmsdh_detach(sdhc->osh, sdhc->sdh); | ||
| 262 | MFREE(osh, sdhc, sizeof(bcmsdh_hc_t)); | ||
| 263 | } | ||
| 264 | if (osh) | ||
| 265 | osl_detach(osh); | ||
| 266 | return -ENODEV; | ||
| 267 | } | ||
| 268 | |||
| 269 | #ifndef BCMLXSDMMC | ||
| 270 | static | ||
| 271 | #endif /* BCMLXSDMMC */ | ||
| 272 | int bcmsdh_remove_bcmdhd(struct device *dev) | ||
| 273 | { | ||
| 274 | bcmsdh_hc_t *sdhc, *prev; | ||
| 275 | osl_t *osh; | ||
| 276 | |||
| 277 | sdhc = sdhcinfo; | ||
| 278 | drvinfo.detach(sdhc->ch); | ||
| 279 | bcmsdh_detach(sdhc->osh, sdhc->sdh); | ||
| 280 | /* find the SDIO Host Controller state for this pdev and take it out from the list */ | ||
| 281 | for (sdhc = sdhcinfo, prev = NULL; sdhc; sdhc = sdhc->next) { | ||
| 282 | if (sdhc->dev == (void *)dev) { | ||
| 283 | if (prev) | ||
| 284 | prev->next = sdhc->next; | ||
| 285 | else | ||
| 286 | sdhcinfo = NULL; | ||
| 287 | break; | ||
| 288 | } | ||
| 289 | prev = sdhc; | ||
| 290 | } | ||
| 291 | if (!sdhc) { | ||
| 292 | SDLX_MSG(("%s: failed\n", __FUNCTION__)); | ||
| 293 | return 0; | ||
| 294 | } | ||
| 295 | |||
| 296 | |||
| 297 | /* release SDIO Host Controller info */ | ||
| 298 | osh = sdhc->osh; | ||
| 299 | MFREE(osh, sdhc, sizeof(bcmsdh_hc_t)); | ||
| 300 | osl_detach(osh); | ||
| 301 | |||
| 302 | #if !defined(BCMLXSDMMC) || defined(OOB_INTR_ONLY) | ||
| 303 | dev_set_drvdata(dev, NULL); | ||
| 304 | #endif /* !defined(BCMLXSDMMC) || defined(OOB_INTR_ONLY) */ | ||
| 305 | |||
| 306 | return 0; | ||
| 307 | } | ||
| 308 | |||
| 309 | #else /* BCMPLATFORM_BUS */ | ||
| 310 | |||
| 311 | #if !defined(BCMLXSDMMC) | ||
| 312 | /* forward declarations for PCI probe and remove functions. */ | ||
| 313 | static int __devinit bcmsdh_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent); | ||
| 314 | static void __devexit bcmsdh_pci_remove(struct pci_dev *pdev); | ||
| 315 | |||
| 316 | /** | ||
| 317 | * pci id table | ||
| 318 | */ | ||
| 319 | static struct pci_device_id bcmsdh_pci_devid[] __devinitdata = { | ||
| 320 | { vendor: PCI_ANY_ID, | ||
| 321 | device: PCI_ANY_ID, | ||
| 322 | subvendor: PCI_ANY_ID, | ||
| 323 | subdevice: PCI_ANY_ID, | ||
| 324 | class: 0, | ||
| 325 | class_mask: 0, | ||
| 326 | driver_data: 0, | ||
| 327 | }, | ||
| 328 | { 0, } | ||
| 329 | }; | ||
| 330 | MODULE_DEVICE_TABLE(pci, bcmsdh_pci_devid); | ||
| 331 | |||
| 332 | /** | ||
| 333 | * SDIO Host Controller pci driver info | ||
| 334 | */ | ||
| 335 | static struct pci_driver bcmsdh_pci_driver = { | ||
| 336 | node: {}, | ||
| 337 | name: "bcmsdh", | ||
| 338 | id_table: bcmsdh_pci_devid, | ||
| 339 | probe: bcmsdh_pci_probe, | ||
| 340 | remove: bcmsdh_pci_remove, | ||
| 341 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 0)) | ||
| 342 | save_state: NULL, | ||
| 343 | #endif | ||
| 344 | suspend: NULL, | ||
| 345 | resume: NULL, | ||
| 346 | }; | ||
| 347 | |||
| 348 | |||
| 349 | extern uint sd_pci_slot; /* Force detection to a particular PCI */ | ||
| 350 | /* slot only . Allows for having multiple */ | ||
| 351 | /* WL devices at once in a PC */ | ||
| 352 | /* Only one instance of dhd will be */ | ||
| 353 | /* usable at a time */ | ||
| 354 | /* Upper word is bus number, */ | ||
| 355 | /* lower word is slot number */ | ||
| 356 | /* Default value of 0xffffffff turns this */ | ||
| 357 | /* off */ | ||
| 358 | module_param(sd_pci_slot, uint, 0); | ||
| 359 | |||
| 360 | |||
| 361 | /** | ||
| 362 | * Detect supported SDIO Host Controller and attach if found. | ||
| 363 | * | ||
| 364 | * Determine if the device described by pdev is a supported SDIO Host | ||
| 365 | * Controller. If so, attach to it and attach to the target device. | ||
| 366 | */ | ||
| 367 | static int __devinit | ||
| 368 | bcmsdh_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) | ||
| 369 | { | ||
| 370 | osl_t *osh = NULL; | ||
| 371 | bcmsdh_hc_t *sdhc = NULL; | ||
| 372 | ulong regs; | ||
| 373 | bcmsdh_info_t *sdh = NULL; | ||
| 374 | int rc; | ||
| 375 | |||
| 376 | if (sd_pci_slot != 0xFFFFffff) { | ||
| 377 | if (pdev->bus->number != (sd_pci_slot>>16) || | ||
| 378 | PCI_SLOT(pdev->devfn) != (sd_pci_slot&0xffff)) { | ||
| 379 | SDLX_MSG(("%s: %s: bus %X, slot %X, vend %X, dev %X\n", | ||
| 380 | __FUNCTION__, | ||
| 381 | bcmsdh_chipmatch(pdev->vendor, pdev->device) | ||
| 382 | ?"Found compatible SDIOHC" | ||
| 383 | :"Probing unknown device", | ||
| 384 | pdev->bus->number, PCI_SLOT(pdev->devfn), pdev->vendor, | ||
| 385 | pdev->device)); | ||
| 386 | return -ENODEV; | ||
| 387 | } | ||
| 388 | SDLX_MSG(("%s: %s: bus %X, slot %X, vendor %X, device %X (good PCI location)\n", | ||
| 389 | __FUNCTION__, | ||
| 390 | bcmsdh_chipmatch(pdev->vendor, pdev->device) | ||
| 391 | ?"Using compatible SDIOHC" | ||
| 392 | :"WARNING, forced use of unkown device", | ||
| 393 | pdev->bus->number, PCI_SLOT(pdev->devfn), pdev->vendor, pdev->device)); | ||
| 394 | } | ||
| 395 | |||
| 396 | if ((pdev->vendor == VENDOR_TI) && ((pdev->device == PCIXX21_FLASHMEDIA_ID) || | ||
| 397 | (pdev->device == PCIXX21_FLASHMEDIA0_ID))) { | ||
| 398 | uint32 config_reg; | ||
| 399 | |||
| 400 | SDLX_MSG(("%s: Disabling TI FlashMedia Controller.\n", __FUNCTION__)); | ||
| 401 | if (!(osh = osl_attach(pdev, PCI_BUS, FALSE))) { | ||
| 402 | SDLX_MSG(("%s: osl_attach failed\n", __FUNCTION__)); | ||
| 403 | goto err; | ||
| 404 | } | ||
| 405 | |||
| 406 | config_reg = OSL_PCI_READ_CONFIG(osh, 0x4c, 4); | ||
| 407 | |||
| 408 | /* | ||
| 409 | * Set MMC_SD_DIS bit in FlashMedia Controller. | ||
| 410 | * Disbling the SD/MMC Controller in the FlashMedia Controller | ||
| 411 | * allows the Standard SD Host Controller to take over control | ||
| 412 | * of the SD Slot. | ||
| 413 | */ | ||
| 414 | config_reg |= 0x02; | ||
| 415 | OSL_PCI_WRITE_CONFIG(osh, 0x4c, 4, config_reg); | ||
| 416 | osl_detach(osh); | ||
| 417 | } | ||
| 418 | /* match this pci device with what we support */ | ||
| 419 | /* we can't solely rely on this to believe it is our SDIO Host Controller! */ | ||
| 420 | if (!bcmsdh_chipmatch(pdev->vendor, pdev->device)) { | ||
| 421 | return -ENODEV; | ||
| 422 | } | ||
| 423 | |||
| 424 | /* this is a pci device we might support */ | ||
| 425 | SDLX_MSG(("%s: Found possible SDIO Host Controller: bus %d slot %d func %d irq %d\n", | ||
| 426 | __FUNCTION__, | ||
| 427 | pdev->bus->number, PCI_SLOT(pdev->devfn), | ||
| 428 | PCI_FUNC(pdev->devfn), pdev->irq)); | ||
| 429 | |||
| 430 | /* use bcmsdh_query_device() to get the vendor ID of the target device so | ||
| 431 | * it will eventually appear in the Broadcom string on the console | ||
| 432 | */ | ||
| 433 | |||
| 434 | /* allocate SDIO Host Controller state info */ | ||
| 435 | if (!(osh = osl_attach(pdev, PCI_BUS, FALSE))) { | ||
| 436 | SDLX_MSG(("%s: osl_attach failed\n", __FUNCTION__)); | ||
| 437 | goto err; | ||
| 438 | } | ||
| 439 | if (!(sdhc = MALLOC(osh, sizeof(bcmsdh_hc_t)))) { | ||
| 440 | SDLX_MSG(("%s: out of memory, allocated %d bytes\n", | ||
| 441 | __FUNCTION__, | ||
| 442 | MALLOCED(osh))); | ||
| 443 | goto err; | ||
| 444 | } | ||
| 445 | bzero(sdhc, sizeof(bcmsdh_hc_t)); | ||
| 446 | sdhc->osh = osh; | ||
| 447 | |||
| 448 | sdhc->dev = pdev; | ||
| 449 | |||
| 450 | /* map to address where host can access */ | ||
| 451 | pci_set_master(pdev); | ||
| 452 | rc = pci_enable_device(pdev); | ||
| 453 | if (rc) { | ||
| 454 | SDLX_MSG(("%s: Cannot enable PCI device\n", __FUNCTION__)); | ||
| 455 | goto err; | ||
| 456 | } | ||
| 457 | if (!(sdh = bcmsdh_attach(osh, (void *)(uintptr)pci_resource_start(pdev, 0), | ||
| 458 | (void **)®s, pdev->irq))) { | ||
| 459 | SDLX_MSG(("%s: bcmsdh_attach failed\n", __FUNCTION__)); | ||
| 460 | goto err; | ||
| 461 | } | ||
| 462 | |||
| 463 | sdhc->sdh = sdh; | ||
| 464 | |||
| 465 | /* try to attach to the target device */ | ||
| 466 | if (!(sdhc->ch = drvinfo.attach(VENDOR_BROADCOM, /* pdev->vendor, */ | ||
| 467 | bcmsdh_query_device(sdh) & 0xFFFF, 0, 0, 0, 0, | ||
| 468 | (void *)regs, NULL, sdh, pdev->dev))) { | ||
| 469 | SDLX_MSG(("%s: device attach failed\n", __FUNCTION__)); | ||
| 470 | goto err; | ||
| 471 | } | ||
| 472 | |||
| 473 | /* chain SDIO Host Controller info together */ | ||
| 474 | sdhc->next = sdhcinfo; | ||
| 475 | sdhcinfo = sdhc; | ||
| 476 | |||
| 477 | return 0; | ||
| 478 | |||
| 479 | /* error handling */ | ||
| 480 | err: | ||
| 481 | if (sdhc) { | ||
| 482 | if (sdhc->sdh) | ||
| 483 | bcmsdh_detach(sdhc->osh, sdhc->sdh); | ||
| 484 | MFREE(osh, sdhc, sizeof(bcmsdh_hc_t)); | ||
| 485 | } | ||
| 486 | if (osh) | ||
| 487 | osl_detach(osh); | ||
| 488 | return -ENODEV; | ||
| 489 | } | ||
| 490 | |||
| 491 | |||
| 492 | /** | ||
| 493 | * Detach from target devices and SDIO Host Controller | ||
| 494 | */ | ||
| 495 | static void __devexit | ||
| 496 | bcmsdh_pci_remove(struct pci_dev *pdev) | ||
| 497 | { | ||
| 498 | bcmsdh_hc_t *sdhc, *prev; | ||
| 499 | osl_t *osh; | ||
| 500 | |||
| 501 | /* find the SDIO Host Controller state for this pdev and take it out from the list */ | ||
| 502 | for (sdhc = sdhcinfo, prev = NULL; sdhc; sdhc = sdhc->next) { | ||
| 503 | if (sdhc->dev == pdev) { | ||
| 504 | if (prev) | ||
| 505 | prev->next = sdhc->next; | ||
| 506 | else | ||
| 507 | sdhcinfo = NULL; | ||
| 508 | break; | ||
| 509 | } | ||
| 510 | prev = sdhc; | ||
| 511 | } | ||
| 512 | if (!sdhc) | ||
| 513 | return; | ||
| 514 | |||
| 515 | drvinfo.detach(sdhc->ch); | ||
| 516 | |||
| 517 | bcmsdh_detach(sdhc->osh, sdhc->sdh); | ||
| 518 | |||
| 519 | /* release SDIO Host Controller info */ | ||
| 520 | osh = sdhc->osh; | ||
| 521 | MFREE(osh, sdhc, sizeof(bcmsdh_hc_t)); | ||
| 522 | osl_detach(osh); | ||
| 523 | } | ||
| 524 | #endif /* BCMLXSDMMC */ | ||
| 525 | #endif /* BCMPLATFORM_BUS */ | ||
| 526 | |||
| 527 | extern int sdio_function_init(void); | ||
| 528 | |||
| 529 | int | ||
| 530 | bcmsdh_register(bcmsdh_driver_t *driver) | ||
| 531 | { | ||
| 532 | int error = 0; | ||
| 533 | |||
| 534 | drvinfo = *driver; | ||
| 535 | |||
| 536 | #if defined(BCMPLATFORM_BUS) | ||
| 537 | #if defined(BCMLXSDMMC) | ||
| 538 | SDLX_MSG(("Linux Kernel SDIO/MMC Driver\n")); | ||
| 539 | error = sdio_function_init(); | ||
| 540 | #else | ||
| 541 | SDLX_MSG(("Intel PXA270 SDIO Driver\n")); | ||
| 542 | error = driver_register(&bcmsdh_driver); | ||
| 543 | #endif /* defined(BCMLXSDMMC) */ | ||
| 544 | return error; | ||
| 545 | #endif /* defined(BCMPLATFORM_BUS) */ | ||
| 546 | |||
| 547 | #if !defined(BCMPLATFORM_BUS) && !defined(BCMLXSDMMC) | ||
| 548 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 0)) | ||
| 549 | if (!(error = pci_module_init(&bcmsdh_pci_driver))) | ||
| 550 | return 0; | ||
| 551 | #else | ||
| 552 | if (!(error = pci_register_driver(&bcmsdh_pci_driver))) | ||
| 553 | return 0; | ||
| 554 | #endif | ||
| 555 | |||
| 556 | SDLX_MSG(("%s: pci_module_init failed 0x%x\n", __FUNCTION__, error)); | ||
| 557 | #endif /* BCMPLATFORM_BUS */ | ||
| 558 | |||
| 559 | return error; | ||
| 560 | } | ||
| 561 | |||
| 562 | extern void sdio_function_cleanup(void); | ||
| 563 | |||
| 564 | void | ||
| 565 | bcmsdh_unregister(void) | ||
| 566 | { | ||
| 567 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 0)) | ||
| 568 | if (bcmsdh_pci_driver.node.next) | ||
| 569 | #endif | ||
| 570 | |||
| 571 | #if defined(BCMPLATFORM_BUS) && !defined(BCMLXSDMMC) | ||
| 572 | driver_unregister(&bcmsdh_driver); | ||
| 573 | #endif | ||
| 574 | #if defined(BCMLXSDMMC) | ||
| 575 | sdio_function_cleanup(); | ||
| 576 | #endif /* BCMLXSDMMC */ | ||
| 577 | #if !defined(BCMPLATFORM_BUS) && !defined(BCMLXSDMMC) | ||
| 578 | pci_unregister_driver(&bcmsdh_pci_driver); | ||
| 579 | #endif /* BCMPLATFORM_BUS */ | ||
| 580 | } | ||
| 581 | |||
| 582 | #if defined(OOB_INTR_ONLY) | ||
| 583 | void bcmsdh_oob_intr_set(bool enable) | ||
| 584 | { | ||
| 585 | static bool curstate = 1; | ||
| 586 | unsigned long flags; | ||
| 587 | |||
| 588 | spin_lock_irqsave(&sdhcinfo->irq_lock, flags); | ||
| 589 | if (curstate != enable) { | ||
| 590 | if (enable) | ||
| 591 | enable_irq(sdhcinfo->oob_irq); | ||
| 592 | else | ||
| 593 | disable_irq_nosync(sdhcinfo->oob_irq); | ||
| 594 | curstate = enable; | ||
| 595 | } | ||
| 596 | spin_unlock_irqrestore(&sdhcinfo->irq_lock, flags); | ||
| 597 | } | ||
| 598 | |||
| 599 | static irqreturn_t wlan_oob_irq(int irq, void *dev_id) | ||
| 600 | { | ||
| 601 | dhd_pub_t *dhdp; | ||
| 602 | |||
| 603 | dhdp = (dhd_pub_t *)dev_get_drvdata(sdhcinfo->dev); | ||
| 604 | |||
| 605 | bcmsdh_oob_intr_set(0); | ||
| 606 | |||
| 607 | if (dhdp == NULL) { | ||
| 608 | SDLX_MSG(("Out of band GPIO interrupt fired way too early\n")); | ||
| 609 | return IRQ_HANDLED; | ||
| 610 | } | ||
| 611 | |||
| 612 | dhdsdio_isr((void *)dhdp->bus); | ||
| 613 | |||
| 614 | return IRQ_HANDLED; | ||
| 615 | } | ||
| 616 | |||
| 617 | void *bcmsdh_get_drvdata(void) | ||
| 618 | { | ||
| 619 | if (!sdhcinfo) | ||
| 620 | return NULL; | ||
| 621 | return dev_get_drvdata(sdhcinfo->dev); | ||
| 622 | } | ||
| 623 | |||
| 624 | int bcmsdh_register_oob_intr(void * dhdp) | ||
| 625 | { | ||
| 626 | int error = 0; | ||
| 627 | |||
| 628 | SDLX_MSG(("%s Enter \n", __FUNCTION__)); | ||
| 629 | |||
| 630 | /* IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL | IORESOURCE_IRQ_SHAREABLE; */ | ||
| 631 | |||
| 632 | dev_set_drvdata(sdhcinfo->dev, dhdp); | ||
| 633 | |||
| 634 | if (!sdhcinfo->oob_irq_registered) { | ||
| 635 | SDLX_MSG(("%s IRQ=%d Type=%X \n", __FUNCTION__, | ||
| 636 | (int)sdhcinfo->oob_irq, (int)sdhcinfo->oob_flags)); | ||
| 637 | /* Refer to customer Host IRQ docs about proper irqflags definition */ | ||
| 638 | error = request_irq(sdhcinfo->oob_irq, wlan_oob_irq, sdhcinfo->oob_flags, | ||
| 639 | "bcmsdh_sdmmc", NULL); | ||
| 640 | if (error) | ||
| 641 | return -ENODEV; | ||
| 642 | |||
| 643 | enable_irq_wake(sdhcinfo->oob_irq); | ||
| 644 | sdhcinfo->oob_irq_registered = TRUE; | ||
| 645 | sdhcinfo->oob_irq_enable_flag = TRUE; | ||
| 646 | } | ||
| 647 | |||
| 648 | return 0; | ||
| 649 | } | ||
| 650 | |||
| 651 | void bcmsdh_set_irq(int flag) | ||
| 652 | { | ||
| 653 | if (sdhcinfo->oob_irq_registered && sdhcinfo->oob_irq_enable_flag != flag) { | ||
| 654 | SDLX_MSG(("%s Flag = %d", __FUNCTION__, flag)); | ||
| 655 | sdhcinfo->oob_irq_enable_flag = flag; | ||
| 656 | if (flag) { | ||
| 657 | enable_irq(sdhcinfo->oob_irq); | ||
| 658 | enable_irq_wake(sdhcinfo->oob_irq); | ||
| 659 | } else { | ||
| 660 | disable_irq_wake(sdhcinfo->oob_irq); | ||
| 661 | disable_irq(sdhcinfo->oob_irq); | ||
| 662 | } | ||
| 663 | } | ||
| 664 | } | ||
| 665 | |||
| 666 | void bcmsdh_unregister_oob_intr(void) | ||
| 667 | { | ||
| 668 | SDLX_MSG(("%s: Enter\n", __FUNCTION__)); | ||
| 669 | |||
| 670 | if (sdhcinfo->oob_irq_registered == TRUE) { | ||
| 671 | bcmsdh_set_irq(FALSE); | ||
| 672 | free_irq(sdhcinfo->oob_irq, NULL); | ||
| 673 | sdhcinfo->oob_irq_registered = FALSE; | ||
| 674 | } | ||
| 675 | } | ||
| 676 | #endif /* defined(OOB_INTR_ONLY) */ | ||
| 677 | /* Module parameters specific to each host-controller driver */ | ||
| 678 | |||
| 679 | extern uint sd_msglevel; /* Debug message level */ | ||
| 680 | module_param(sd_msglevel, uint, 0); | ||
| 681 | |||
| 682 | extern uint sd_power; /* 0 = SD Power OFF, 1 = SD Power ON. */ | ||
| 683 | module_param(sd_power, uint, 0); | ||
| 684 | |||
| 685 | extern uint sd_clock; /* SD Clock Control, 0 = SD Clock OFF, 1 = SD Clock ON */ | ||
| 686 | module_param(sd_clock, uint, 0); | ||
| 687 | |||
| 688 | extern uint sd_divisor; /* Divisor (-1 means external clock) */ | ||
| 689 | module_param(sd_divisor, uint, 0); | ||
| 690 | |||
| 691 | extern uint sd_sdmode; /* Default is SD4, 0=SPI, 1=SD1, 2=SD4 */ | ||
| 692 | module_param(sd_sdmode, uint, 0); | ||
| 693 | |||
| 694 | extern uint sd_hiok; /* Ok to use hi-speed mode */ | ||
| 695 | module_param(sd_hiok, uint, 0); | ||
| 696 | |||
| 697 | extern uint sd_f2_blocksize; | ||
| 698 | module_param(sd_f2_blocksize, int, 0); | ||
| 699 | |||
| 700 | |||
| 701 | #ifdef BCMSDH_MODULE | ||
| 702 | EXPORT_SYMBOL(bcmsdh_attach); | ||
| 703 | EXPORT_SYMBOL(bcmsdh_detach); | ||
| 704 | EXPORT_SYMBOL(bcmsdh_intr_query); | ||
| 705 | EXPORT_SYMBOL(bcmsdh_intr_enable); | ||
| 706 | EXPORT_SYMBOL(bcmsdh_intr_disable); | ||
| 707 | EXPORT_SYMBOL(bcmsdh_intr_reg); | ||
| 708 | EXPORT_SYMBOL(bcmsdh_intr_dereg); | ||
| 709 | |||
| 710 | #if defined(DHD_DEBUG) | ||
| 711 | EXPORT_SYMBOL(bcmsdh_intr_pending); | ||
| 712 | #endif | ||
| 713 | |||
| 714 | EXPORT_SYMBOL(bcmsdh_devremove_reg); | ||
| 715 | EXPORT_SYMBOL(bcmsdh_cfg_read); | ||
| 716 | EXPORT_SYMBOL(bcmsdh_cfg_write); | ||
| 717 | EXPORT_SYMBOL(bcmsdh_cis_read); | ||
| 718 | EXPORT_SYMBOL(bcmsdh_reg_read); | ||
| 719 | EXPORT_SYMBOL(bcmsdh_reg_write); | ||
| 720 | EXPORT_SYMBOL(bcmsdh_regfail); | ||
| 721 | EXPORT_SYMBOL(bcmsdh_send_buf); | ||
| 722 | EXPORT_SYMBOL(bcmsdh_recv_buf); | ||
| 723 | |||
| 724 | EXPORT_SYMBOL(bcmsdh_rwdata); | ||
| 725 | EXPORT_SYMBOL(bcmsdh_abort); | ||
| 726 | EXPORT_SYMBOL(bcmsdh_query_device); | ||
| 727 | EXPORT_SYMBOL(bcmsdh_query_iofnum); | ||
| 728 | EXPORT_SYMBOL(bcmsdh_iovar_op); | ||
| 729 | EXPORT_SYMBOL(bcmsdh_register); | ||
| 730 | EXPORT_SYMBOL(bcmsdh_unregister); | ||
| 731 | EXPORT_SYMBOL(bcmsdh_chipmatch); | ||
| 732 | EXPORT_SYMBOL(bcmsdh_reset); | ||
| 733 | EXPORT_SYMBOL(bcmsdh_waitlockfree); | ||
| 734 | |||
| 735 | EXPORT_SYMBOL(bcmsdh_get_dstatus); | ||
| 736 | EXPORT_SYMBOL(bcmsdh_cfg_read_word); | ||
| 737 | EXPORT_SYMBOL(bcmsdh_cfg_write_word); | ||
| 738 | EXPORT_SYMBOL(bcmsdh_cur_sbwad); | ||
| 739 | EXPORT_SYMBOL(bcmsdh_chipinfo); | ||
| 740 | |||
| 741 | #endif /* BCMSDH_MODULE */ | ||
