drivers/staging/brcm80211/util/linux_osl.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 #include <typedefs.h>
  18 #include <bcmendian.h>
  19 #include <linuxver.h>
  20 #include <bcmdefs.h>
  21 #include <osl.h>
  22 #include <bcmutils.h>
  23 #include <linux/delay.h>
  24 #ifdef mips
  25 #include <asm/paccess.h>
  26 #endif                          /* mips */
  27 #include <pcicfg.h>
  28
  29 #include <linux/fs.h>
  30
  31 #define PCI_CFG_RETRY           10
  32
  33 #define OS_HANDLE_MAGIC         0x1234abcd      /* Magic # to recognise osh */
  34 #define BCM_MEM_FILENAME_LEN    24      /* Mem. filename length */
  35
  36 #if defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF)
  37 #define MAX_STATIC_BUF_NUM 16
  38 #define STATIC_BUF_SIZE (PAGE_SIZE*2)
  39 #define STATIC_BUF_TOTAL_LEN (MAX_STATIC_BUF_NUM*STATIC_BUF_SIZE)
  40 typedef struct bcm_static_buf {
  41         struct semaphore static_sem;
  42         unsigned char *buf_ptr;
  43         unsigned char buf_use[MAX_STATIC_BUF_NUM];
  44 } bcm_static_buf_t;
  45
  46 static bcm_static_buf_t *bcm_static_buf;
  47
  48 #define MAX_STATIC_PKT_NUM 8
  49 typedef struct bcm_static_pkt {
  50         struct sk_buff *skb_4k[MAX_STATIC_PKT_NUM];
  51         struct sk_buff *skb_8k[MAX_STATIC_PKT_NUM];
  52         struct semaphore osl_pkt_sem;
  53         unsigned char pkt_use[MAX_STATIC_PKT_NUM * 2];
  54 } bcm_static_pkt_t;
  55 static bcm_static_pkt_t *bcm_static_skb;
  56 #endif                          /* DHD_USE_STATIC_BUF */
  57
  58 struct osl_info {
  59         osl_pubinfo_t pub;
  60         uint magic;
  61         void *pdev;
  62         uint malloced;
  63         uint failed;
  64         uint bustype;
  65 };
  66
  67 /* Global ASSERT type flag */
  68 u32 g_assert_type;
  69
  70 #ifdef BRCM_FULLMAC
  71 static s16 linuxbcmerrormap[] = { 0,    /* 0 */
  72         -EINVAL,                /* BCME_ERROR */
  73         -EINVAL,                /* BCME_BADARG */
  74         -EINVAL,                /* BCME_BADOPTION */
  75         -EINVAL,                /* BCME_NOTUP */
  76         -EINVAL,                /* BCME_NOTDOWN */
  77         -EINVAL,                /* BCME_NOTAP */
  78         -EINVAL,                /* BCME_NOTSTA */
  79         -EINVAL,                /* BCME_BADKEYIDX */
  80         -EINVAL,                /* BCME_RADIOOFF */
  81         -EINVAL,                /* BCME_NOTBANDLOCKED */
  82         -EINVAL,                /* BCME_NOCLK */
  83         -EINVAL,                /* BCME_BADRATESET */
  84         -EINVAL,                /* BCME_BADBAND */
  85         -E2BIG,                 /* BCME_BUFTOOSHORT */
  86         -E2BIG,                 /* BCME_BUFTOOLONG */
  87         -EBUSY,                 /* BCME_BUSY */
  88         -EINVAL,                /* BCME_NOTASSOCIATED */
  89         -EINVAL,                /* BCME_BADSSIDLEN */
  90         -EINVAL,                /* BCME_OUTOFRANGECHAN */
  91         -EINVAL,                /* BCME_BADCHAN */
  92         -EFAULT,                /* BCME_BADADDR */
  93         -ENOMEM,                /* BCME_NORESOURCE */
  94         -EOPNOTSUPP,            /* BCME_UNSUPPORTED */
  95         -EMSGSIZE,              /* BCME_BADLENGTH */
  96         -EINVAL,                /* BCME_NOTREADY */
  97         -EPERM,                 /* BCME_NOTPERMITTED */
  98         -ENOMEM,                /* BCME_NOMEM */
  99         -EINVAL,                /* BCME_ASSOCIATED */
 100         -ERANGE,                /* BCME_RANGE */
 101         -EINVAL,                /* BCME_NOTFOUND */
 102         -EINVAL,                /* BCME_WME_NOT_ENABLED */
 103         -EINVAL,                /* BCME_TSPEC_NOTFOUND */
 104         -EINVAL,                /* BCME_ACM_NOTSUPPORTED */
 105         -EINVAL,                /* BCME_NOT_WME_ASSOCIATION */
 106         -EIO,                   /* BCME_SDIO_ERROR */
 107         -ENODEV,                /* BCME_DONGLE_DOWN */
 108         -EINVAL,                /* BCME_VERSION */
 109         -EIO,                   /* BCME_TXFAIL */
 110         -EIO,                   /* BCME_RXFAIL */
 111         -EINVAL,                /* BCME_NODEVICE */
 112         -EINVAL,                /* BCME_NMODE_DISABLED */
 113         -ENODATA,               /* BCME_NONRESIDENT */
 114
 115 /* When an new error code is added to bcmutils.h, add os
 116  * spcecific error translation here as well
 117  */
 118 /* check if BCME_LAST changed since the last time this function was updated */
 119 #if BCME_LAST != -42
 120 #error "You need to add a OS error translation in the linuxbcmerrormap \
 121         for new error code defined in bcmutils.h"
 122 #endif
 123 };
 124
 125 /* translate bcmerrors into linux errors */
 126 int osl_error(int bcmerror)
 127 {
 128         if (bcmerror > 0)
 129                 bcmerror = 0;
 130         else if (bcmerror < BCME_LAST)
 131                 bcmerror = BCME_ERROR;
 132
 133         /* Array bounds covered by ASSERT in osl_attach */
 134         return linuxbcmerrormap[-bcmerror];
 135 }
 136 #endif /* BRCM_FULLMAC */
 137
 138 osl_t *osl_attach(void *pdev, uint bustype, bool pkttag)
 139 {
 140         osl_t *osh;
 141
 142         osh = kmalloc(sizeof(osl_t), GFP_ATOMIC);
 143         ASSERT(osh);
 144
 145         bzero(osh, sizeof(osl_t));
 146
 147 #ifdef BRCM_FULLMAC
 148         /* Check that error map has the right number of entries in it */
 149         ASSERT(ABS(BCME_LAST) == (ARRAY_SIZE(linuxbcmerrormap) - 1));
 150 #endif /* BRCM_FULLMAC */
 151
 152         osh->magic = OS_HANDLE_MAGIC;
 153         osh->malloced = 0;
 154         osh->failed = 0;
 155         osh->pdev = pdev;
 156         osh->pub.pkttag = pkttag;
 157         osh->bustype = bustype;
 158
 159         switch (bustype) {
 160         case PCI_BUS:
 161         case SI_BUS:
 162         case PCMCIA_BUS:
 163                 osh->pub.mmbus = true;
 164                 break;
 165         case JTAG_BUS:
 166         case SDIO_BUS:
 167         case USB_BUS:
 168         case SPI_BUS:
 169         case RPC_BUS:
 170                 osh->pub.mmbus = false;
 171                 break;
 172         default:
 173                 ASSERT(false);
 174                 break;
 175         }
 176
 177 #if defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF)
 178         if (!bcm_static_buf) {
 179                 bcm_static_buf = (bcm_static_buf_t *) dhd_os_prealloc(3,
 180                                         STATIC_BUF_SIZE + STATIC_BUF_TOTAL_LEN);
 181                 if (!bcm_static_buf) {
 182                         printk(KERN_ERR "can not alloc static buf!\n");
 183                 } else
 184                         printk(KERN_ERR "alloc static buf at %x!\n",
 185                                (unsigned int)bcm_static_buf);
 186
 187                 init_MUTEX(&bcm_static_buf->static_sem);
 188
 189                 bcm_static_buf->buf_ptr =
 190                     (unsigned char *)bcm_static_buf + STATIC_BUF_SIZE;
 191
 192         }
 193
 194         if (!bcm_static_skb) {
 195                 int i;
 196                 void *skb_buff_ptr = 0;
 197                 bcm_static_skb =
 198                     (bcm_static_pkt_t *) ((char *)bcm_static_buf + 2048);
 199                 skb_buff_ptr = dhd_os_prealloc(4, 0);
 200
 201                 bcopy(skb_buff_ptr, bcm_static_skb,
 202                       sizeof(struct sk_buff *) * 16);
 203                 for (i = 0; i < MAX_STATIC_PKT_NUM * 2; i++)
 204                         bcm_static_skb->pkt_use[i] = 0;
 205
 206                 init_MUTEX(&bcm_static_skb->osl_pkt_sem);
 207         }
 208 #endif /* defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF) */
 209
 210 #if defined(BCMDBG) && !defined(BRCM_FULLMAC)
 211         if (pkttag) {
 212                 struct sk_buff *skb;
 213                 ASSERT(OSL_PKTTAG_SZ <= sizeof(skb->cb));
 214         }
 215 #endif
 216         return osh;
 217 }
 218
 219 void osl_detach(osl_t *osh)
 220 {
 221         if (osh == NULL)
 222                 return;
 223
 224 #if defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF)
 225         if (bcm_static_buf)
 226                 bcm_static_buf = 0;
 227
 228         if (bcm_static_skb)
 229                 bcm_static_skb = 0;
 230 #endif
 231         ASSERT(osh->magic == OS_HANDLE_MAGIC);
 232         kfree(osh);
 233 }
 234
 235 /* Return a new packet. zero out pkttag */
 236 void *BCMFASTPATH osl_pktget(osl_t *osh, uint len)
 237 {
 238         struct sk_buff *skb;
 239
 240         skb = dev_alloc_skb(len);
 241         if (skb) {
 242                 skb_put(skb, len);
 243                 skb->priority = 0;
 244
 245                 osh->pub.pktalloced++;
 246         }
 247
 248         return (void *)skb;
 249 }
 250
 251 /* Free the driver packet. Free the tag if present */
 252 void BCMFASTPATH osl_pktfree(osl_t *osh, void *p, bool send)
 253 {
 254         struct sk_buff *skb, *nskb;
 255         int nest = 0;
 256
 257         skb = (struct sk_buff *)p;
 258         ASSERT(skb);
 259
 260         if (send && osh->pub.tx_fn)
 261                 osh->pub.tx_fn(osh->pub.tx_ctx, p, 0);
 262
 263         /* perversion: we use skb->next to chain multi-skb packets */
 264         while (skb) {
 265                 nskb = skb->next;
 266                 skb->next = NULL;
 267
 268                 if (skb->destructor)
 269                         /* cannot kfree_skb() on hard IRQ (net/core/skbuff.c) if
 270                          * destructor exists
 271                          */
 272                         dev_kfree_skb_any(skb);
 273                 else
 274                         /* can free immediately (even in_irq()) if destructor
 275                          * does not exist
 276                          */
 277                         dev_kfree_skb(skb);
 278
 279                 osh->pub.pktalloced--;
 280                 nest++;
 281                 skb = nskb;
 282         }
 283 }
 284
 285 #if defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF)
 286 void *osl_pktget_static(osl_t *osh, uint len)
 287 {
 288         int i = 0;
 289         struct sk_buff *skb;
 290
 291         if (len > (PAGE_SIZE * 2)) {
 292                 printk(KERN_ERR "Do we really need this big skb??\n");
 293                 return osl_pktget(osh, len);
 294         }
 295
 296         down(&bcm_static_skb->osl_pkt_sem);
 297         if (len <= PAGE_SIZE) {
 298                 for (i = 0; i < MAX_STATIC_PKT_NUM; i++) {
 299                         if (bcm_static_skb->pkt_use[i] == 0)
 300                                 break;
 301                 }
 302
 303                 if (i != MAX_STATIC_PKT_NUM) {
 304                         bcm_static_skb->pkt_use[i] = 1;
 305                         up(&bcm_static_skb->osl_pkt_sem);
 306
 307                         skb = bcm_static_skb->skb_4k[i];
 308                         skb->tail = skb->data + len;
 309                         skb->len = len;
 310
 311                         return skb;
 312                 }
 313         }
 314
 315         for (i = 0; i < MAX_STATIC_PKT_NUM; i++) {
 316                 if (bcm_static_skb->pkt_use[i + MAX_STATIC_PKT_NUM] == 0)
 317                         break;
 318         }
 319
 320         if (i != MAX_STATIC_PKT_NUM) {
 321                 bcm_static_skb->pkt_use[i + MAX_STATIC_PKT_NUM] = 1;
 322                 up(&bcm_static_skb->osl_pkt_sem);
 323                 skb = bcm_static_skb->skb_8k[i];
 324                 skb->tail = skb->data + len;
 325                 skb->len = len;
 326
 327                 return skb;
 328         }
 329
 330         up(&bcm_static_skb->osl_pkt_sem);
 331         printk(KERN_ERR "all static pkt in use!\n");
 332         return osl_pktget(osh, len);
 333 }
 334
 335 void osl_pktfree_static(osl_t *osh, void *p, bool send)
 336 {
 337         int i;
 338
 339         for (i = 0; i < MAX_STATIC_PKT_NUM * 2; i++) {
 340                 if (p == bcm_static_skb->skb_4k[i]) {
 341                         down(&bcm_static_skb->osl_pkt_sem);
 342                         bcm_static_skb->pkt_use[i] = 0;
 343                         up(&bcm_static_skb->osl_pkt_sem);
 344
 345                         return;
 346                 }
 347         }
 348         return osl_pktfree(osh, p, send);
 349 }
 350 #endif /* defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF) */
 351
 352 u32 osl_pci_read_config(osl_t *osh, uint offset, uint size)
 353 {
 354         uint val = 0;
 355         uint retry = PCI_CFG_RETRY;
 356
 357         ASSERT((osh && (osh->magic == OS_HANDLE_MAGIC)));
 358
 359         /* only 4byte access supported */
 360         ASSERT(size == 4);
 361
 362         do {
 363                 pci_read_config_dword(osh->pdev, offset, &val);
 364                 if (val != 0xffffffff)
 365                         break;
 366         } while (retry--);
 367
 368 #ifdef BCMDBG
 369         if (retry < PCI_CFG_RETRY)
 370                 printk("PCI CONFIG READ access to %d required %d retries\n",
 371                        offset, (PCI_CFG_RETRY - retry));
 372 #endif                          /* BCMDBG */
 373
 374         return val;
 375 }
 376
 377 void osl_pci_write_config(osl_t *osh, uint offset, uint size, uint val)
 378 {
 379         uint retry = PCI_CFG_RETRY;
 380
 381         ASSERT((osh && (osh->magic == OS_HANDLE_MAGIC)));
 382
 383         /* only 4byte access supported */
 384         ASSERT(size == 4);
 385
 386         do {
 387                 pci_write_config_dword(osh->pdev, offset, val);
 388                 if (offset != PCI_BAR0_WIN)
 389                         break;
 390                 if (osl_pci_read_config(osh, offset, size) == val)
 391                         break;
 392         } while (retry--);
 393
 394 #if defined(BCMDBG) && !defined(BRCM_FULLMAC)
 395         if (retry < PCI_CFG_RETRY)
 396                 printk("PCI CONFIG WRITE access to %d required %d retries\n",
 397                        offset, (PCI_CFG_RETRY - retry));
 398 #endif                          /* BCMDBG */
 399 }
 400
 401 /* return bus # for the pci device pointed by osh->pdev */
 402 uint osl_pci_bus(osl_t *osh)
 403 {
 404         ASSERT(osh && (osh->magic == OS_HANDLE_MAGIC) && osh->pdev);
 405
 406         return ((struct pci_dev *)osh->pdev)->bus->number;
 407 }
 408
 409 /* return slot # for the pci device pointed by osh->pdev */
 410 uint osl_pci_slot(osl_t *osh)
 411 {
 412         ASSERT(osh && (osh->magic == OS_HANDLE_MAGIC) && osh->pdev);
 413
 414         return PCI_SLOT(((struct pci_dev *)osh->pdev)->devfn);
 415 }
 416
 417 void *osl_malloc(osl_t *osh, uint size)
 418 {
 419         void *addr;
 420
 421         /* only ASSERT if osh is defined */
 422         if (osh)
 423                 ASSERT(osh->magic == OS_HANDLE_MAGIC);
 424
 425 #if defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF)
 426                 if (bcm_static_buf) {
 427                         int i = 0;
 428                         if ((size >= PAGE_SIZE) && (size <= STATIC_BUF_SIZE)) {
 429                                 down(&bcm_static_buf->static_sem);
 430                                 for (i = 0; i < MAX_STATIC_BUF_NUM; i++) {
 431                                         if (bcm_static_buf->buf_use[i] == 0)
 432                                                 break;
 433                                 }
 434                                 if (i == MAX_STATIC_BUF_NUM) {
 435                                         up(&bcm_static_buf->static_sem);
 436                                         printk(KERN_ERR "all static buff in use!\n");
 437                                         goto original;
 438                                 }
 439                                 bcm_static_buf->buf_use[i] = 1;
 440                                 up(&bcm_static_buf->static_sem);
 441
 442                                 bzero(bcm_static_buf->buf_ptr + STATIC_BUF_SIZE * i,
 443                                           size);
 444                                 if (osh)
 445                                         osh->malloced += size;
 446
 447                                 return (void *)(bcm_static_buf->buf_ptr +
 448                                                  STATIC_BUF_SIZE * i);
 449                         }
 450                 }
 451         original:
 452 #endif /* defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF) */
 453
 454         addr = kmalloc(size, GFP_ATOMIC);
 455         if (addr == NULL) {
 456                 if (osh)
 457                         osh->failed++;
 458                 return NULL;
 459         }
 460         if (osh)
 461                 osh->malloced += size;
 462
 463         return addr;
 464 }
 465
 466 void osl_mfree(osl_t *osh, void *addr, uint size)
 467 {
 468 #if defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF)
 469         if (bcm_static_buf) {
 470                 if ((addr > (void *)bcm_static_buf) && ((unsigned char *)addr
 471                                 <= ((unsigned char *)
 472                                     bcm_static_buf +
 473                                     STATIC_BUF_TOTAL_LEN))) {
 474                         int buf_idx = 0;
 475                         buf_idx =
 476                             ((unsigned char *)addr -
 477                              bcm_static_buf->buf_ptr) / STATIC_BUF_SIZE;
 478                         down(&bcm_static_buf->static_sem);
 479                         bcm_static_buf->buf_use[buf_idx] = 0;
 480                         up(&bcm_static_buf->static_sem);
 481
 482                         if (osh) {
 483                                 ASSERT(osh->magic == OS_HANDLE_MAGIC);
 484                                 osh->malloced -= size;
 485                         }
 486                         return;
 487                 }
 488         }
 489 #endif /* defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF) */
 490         if (osh) {
 491                 ASSERT(osh->magic == OS_HANDLE_MAGIC);
 492                 osh->malloced -= size;
 493         }
 494         kfree(addr);
 495 }
 496
 497 uint osl_malloced(osl_t *osh)
 498 {
 499         ASSERT((osh && (osh->magic == OS_HANDLE_MAGIC)));
 500         return osh->malloced;
 501 }
 502
 503 uint osl_dma_consistent_align(void)
 504 {
 505         return PAGE_SIZE;
 506 }
 507
 508 void *osl_dma_alloc_consistent(osl_t *osh, uint size, u16 align_bits,
 509                                uint *alloced, unsigned long *pap)
 510 {
 511         ASSERT((osh && (osh->magic == OS_HANDLE_MAGIC)));
 512
 513         if (align_bits) {
 514                 u16 align = (1 << align_bits);
 515                 if (!IS_ALIGNED(DMA_CONSISTENT_ALIGN, align))
 516                         size += align;
 517                 *alloced = size;
 518         }
 519         return pci_alloc_consistent(osh->pdev, size, (dma_addr_t *) pap);
 520 }
 521
 522 void osl_dma_free_consistent(osl_t *osh, void *va, uint size, unsigned long pa)
 523 {
 524         ASSERT((osh && (osh->magic == OS_HANDLE_MAGIC)));
 525
 526         pci_free_consistent(osh->pdev, size, va, (dma_addr_t) pa);
 527 }
 528
 529 uint BCMFASTPATH osl_dma_map(osl_t *osh, void *va, uint size, int direction)
 530 {
 531         int dir;
 532
 533         ASSERT((osh && (osh->magic == OS_HANDLE_MAGIC)));
 534         dir = (direction == DMA_TX) ? PCI_DMA_TODEVICE : PCI_DMA_FROMDEVICE;
 535         return pci_map_single(osh->pdev, va, size, dir);
 536 }
 537
 538 void BCMFASTPATH osl_dma_unmap(osl_t *osh, uint pa, uint size, int direction)
 539 {
 540         int dir;
 541
 542         ASSERT((osh && (osh->magic == OS_HANDLE_MAGIC)));
 543         dir = (direction == DMA_TX) ? PCI_DMA_TODEVICE : PCI_DMA_FROMDEVICE;
 544         pci_unmap_single(osh->pdev, (u32) pa, size, dir);
 545 }
 546
 547 #if defined(BCMDBG_ASSERT)
 548 void osl_assert(char *exp, char *file, int line)
 549 {
 550         char tempbuf[256];
 551         char *basename;
 552
 553         basename = strrchr(file, '/');
 554         /* skip the '/' */
 555         if (basename)
 556                 basename++;
 557
 558         if (!basename)
 559                 basename = file;
 560
 561 #ifdef BCMDBG_ASSERT
 562         snprintf(tempbuf, 256,
 563                  "assertion \"%s\" failed: file \"%s\", line %d\n", exp,
 564                  basename, line);
 565
 566         /* Print assert message and give it time to be written to /var/log/messages */
 567         if (!in_interrupt()) {
 568                 const int delay = 3;
 569                 printk(KERN_ERR "%s", tempbuf);
 570                 printk(KERN_ERR "panic in %d seconds\n", delay);
 571                 set_current_state(TASK_INTERRUPTIBLE);
 572                 schedule_timeout(delay * HZ);
 573         }
 574
 575         switch (g_assert_type) {
 576         case 0:
 577                 panic(KERN_ERR "%s", tempbuf);
 578                 break;
 579         case 1:
 580                 printk(KERN_ERR "%s", tempbuf);
 581                 BUG();
 582                 break;
 583         case 2:
 584                 printk(KERN_ERR "%s", tempbuf);
 585                 break;
 586         default:
 587                 break;
 588         }
 589 #endif                          /* BCMDBG_ASSERT */
 590
 591 }
 592 #endif                          /* defined(BCMDBG_ASSERT) */
 593
 594 void osl_delay(uint usec)
 595 {
 596         uint d;
 597
 598         while (usec > 0) {
 599                 d = min(usec, (uint)1000);
 600                 udelay(d);
 601                 usec -= d;
 602         }
 603 }
 604
 605 #if defined(BCMSDIO) && !defined(BRCM_FULLMAC)
 606 u8 osl_readb(osl_t *osh, volatile u8 *r)
 607 {
 608         osl_rreg_fn_t rreg = ((osl_pubinfo_t *) osh)->rreg_fn;
 609         void *ctx = ((osl_pubinfo_t *) osh)->reg_ctx;
 610
 611         return (u8) ((rreg) (ctx, (void *)r, sizeof(u8)));
 612 }
 613
 614 u16 osl_readw(osl_t *osh, volatile u16 *r)
 615 {
 616         osl_rreg_fn_t rreg = ((osl_pubinfo_t *) osh)->rreg_fn;
 617         void *ctx = ((osl_pubinfo_t *) osh)->reg_ctx;
 618
 619         return (u16) ((rreg) (ctx, (void *)r, sizeof(u16)));
 620 }
 621
 622 u32 osl_readl(osl_t *osh, volatile u32 *r)
 623 {
 624         osl_rreg_fn_t rreg = ((osl_pubinfo_t *) osh)->rreg_fn;
 625         void *ctx = ((osl_pubinfo_t *) osh)->reg_ctx;
 626
 627         return (u32) ((rreg) (ctx, (void *)r, sizeof(u32)));
 628 }
 629
 630 void osl_writeb(osl_t *osh, volatile u8 *r, u8 v)
 631 {
 632         osl_wreg_fn_t wreg = ((osl_pubinfo_t *) osh)->wreg_fn;
 633         void *ctx = ((osl_pubinfo_t *) osh)->reg_ctx;
 634
 635         ((wreg) (ctx, (void *)r, v, sizeof(u8)));
 636 }
 637
 638 void osl_writew(osl_t *osh, volatile u16 *r, u16 v)
 639 {
 640         osl_wreg_fn_t wreg = ((osl_pubinfo_t *) osh)->wreg_fn;
 641         void *ctx = ((osl_pubinfo_t *) osh)->reg_ctx;
 642
 643         ((wreg) (ctx, (void *)r, v, sizeof(u16)));
 644 }
 645
 646 void osl_writel(osl_t *osh, volatile u32 *r, u32 v)
 647 {
 648         osl_wreg_fn_t wreg = ((osl_pubinfo_t *) osh)->wreg_fn;
 649         void *ctx = ((osl_pubinfo_t *) osh)->reg_ctx;
 650
 651         ((wreg) (ctx, (void *)r, v, sizeof(u32)));
 652 }
 653 #endif  /* BCMSDIO */