drivers/staging/brcm80211/brcmfmac/bcmsdh.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 /* ****************** BCMSDH Interface Functions *************************** */
  17
  18 #include <typedefs.h>
  19 #include <bcmdevs.h>
  20 #include <bcmendian.h>
  21 #include <bcmutils.h>
  22 #include <hndsoc.h>
  23 #include <siutils.h>
  24 #include <osl.h>
  25
  26 #include <bcmsdh.h>             /* BRCM API for SDIO
  27                          clients (such as wl, dhd) */
  28 #include <bcmsdbus.h>           /* common SDIO/controller interface */
  29 #include <sbsdio.h>             /* BRCM sdio device core */
  30
  31 #include <sdio.h>               /* sdio spec */
  32
  33 #define SDIOH_API_ACCESS_RETRY_LIMIT    2
  34 const uint bcmsdh_msglevel = BCMSDH_ERROR_VAL;
  35
  36 struct bcmsdh_info {
  37         bool init_success;      /* underlying driver successfully attached */
  38         void *sdioh;            /* handler for sdioh */
  39         u32 vendevid;   /* Target Vendor and Device ID on SD bus */
  40         osl_t *osh;
  41         bool regfail;           /* Save status of last
  42                                  reg_read/reg_write call */
  43         u32 sbwad;              /* Save backplane window address */
  44 };
  45 /* local copy of bcm sd handler */
  46 bcmsdh_info_t *l_bcmsdh;
  47
  48 #if defined(OOB_INTR_ONLY) && defined(HW_OOB)
  49 extern int sdioh_enable_hw_oob_intr(void *sdioh, bool enable);
  50
  51 void bcmsdh_enable_hw_oob_intr(bcmsdh_info_t *sdh, bool enable)
  52 {
  53         sdioh_enable_hw_oob_intr(sdh->sdioh, enable);
  54 }
  55 #endif
  56
  57 bcmsdh_info_t *bcmsdh_attach(osl_t *osh, void *cfghdl, void **regsva, uint irq)
  58 {
  59         bcmsdh_info_t *bcmsdh;
  60
  61         bcmsdh = (bcmsdh_info_t *) MALLOC(osh, sizeof(bcmsdh_info_t));
  62         if (bcmsdh == NULL) {
  63                 BCMSDH_ERROR(("bcmsdh_attach: out of memory, "
  64                         "malloced %d bytes\n", MALLOCED(osh)));
  65                 return NULL;
  66         }
  67         bzero((char *)bcmsdh, sizeof(bcmsdh_info_t));
  68
  69         /* save the handler locally */
  70         l_bcmsdh = bcmsdh;
  71
  72         bcmsdh->sdioh = sdioh_attach(osh, cfghdl, irq);
  73         if (!bcmsdh->sdioh) {
  74                 bcmsdh_detach(osh, bcmsdh);
  75                 return NULL;
  76         }
  77
  78         bcmsdh->osh = osh;
  79         bcmsdh->init_success = TRUE;
  80
  81         *regsva = (u32 *) SI_ENUM_BASE;
  82
  83         /* Report the BAR, to fix if needed */
  84         bcmsdh->sbwad = SI_ENUM_BASE;
  85         return bcmsdh;
  86 }
  87
  88 int bcmsdh_detach(osl_t *osh, void *sdh)
  89 {
  90         bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
  91
  92         if (bcmsdh != NULL) {
  93                 if (bcmsdh->sdioh) {
  94                         sdioh_detach(osh, bcmsdh->sdioh);
  95                         bcmsdh->sdioh = NULL;
  96                 }
  97                 MFREE(osh, bcmsdh, sizeof(bcmsdh_info_t));
  98         }
  99
 100         l_bcmsdh = NULL;
 101         return 0;
 102 }
 103
 104 int
 105 bcmsdh_iovar_op(void *sdh, const char *name,
 106                 void *params, int plen, void *arg, int len, bool set)
 107 {
 108         bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
 109         return sdioh_iovar_op(bcmsdh->sdioh, name, params, plen, arg, len, set);
 110 }
 111
 112 bool bcmsdh_intr_query(void *sdh)
 113 {
 114         bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
 115         SDIOH_API_RC status;
 116         bool on;
 117
 118         ASSERT(bcmsdh);
 119         status = sdioh_interrupt_query(bcmsdh->sdioh, &on);
 120         if (SDIOH_API_SUCCESS(status))
 121                 return FALSE;
 122         else
 123                 return on;
 124 }
 125
 126 int bcmsdh_intr_enable(void *sdh)
 127 {
 128         bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
 129         SDIOH_API_RC status;
 130         ASSERT(bcmsdh);
 131
 132         status = sdioh_interrupt_set(bcmsdh->sdioh, TRUE);
 133         return SDIOH_API_SUCCESS(status) ? 0 : BCME_ERROR;
 134 }
 135
 136 int bcmsdh_intr_disable(void *sdh)
 137 {
 138         bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
 139         SDIOH_API_RC status;
 140         ASSERT(bcmsdh);
 141
 142         status = sdioh_interrupt_set(bcmsdh->sdioh, FALSE);
 143         return SDIOH_API_SUCCESS(status) ? 0 : BCME_ERROR;
 144 }
 145
 146 int bcmsdh_intr_reg(void *sdh, bcmsdh_cb_fn_t fn, void *argh)
 147 {
 148         bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
 149         SDIOH_API_RC status;
 150         ASSERT(bcmsdh);
 151
 152         status = sdioh_interrupt_register(bcmsdh->sdioh, fn, argh);
 153         return SDIOH_API_SUCCESS(status) ? 0 : BCME_ERROR;
 154 }
 155
 156 int bcmsdh_intr_dereg(void *sdh)
 157 {
 158         bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
 159         SDIOH_API_RC status;
 160         ASSERT(bcmsdh);
 161
 162         status = sdioh_interrupt_deregister(bcmsdh->sdioh);
 163         return SDIOH_API_SUCCESS(status) ? 0 : BCME_ERROR;
 164 }
 165
 166 #if defined(DHD_DEBUG)
 167 bool bcmsdh_intr_pending(void *sdh)
 168 {
 169         bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
 170
 171         ASSERT(sdh);
 172         return sdioh_interrupt_pending(bcmsdh->sdioh);
 173 }
 174 #endif
 175
 176 int bcmsdh_devremove_reg(void *sdh, bcmsdh_cb_fn_t fn, void *argh)
 177 {
 178         ASSERT(sdh);
 179
 180         /* don't support yet */
 181         return BCME_UNSUPPORTED;
 182 }
 183
 184 u8 bcmsdh_cfg_read(void *sdh, uint fnc_num, u32 addr, int *err)
 185 {
 186         bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
 187         SDIOH_API_RC status;
 188 #ifdef SDIOH_API_ACCESS_RETRY_LIMIT
 189         s32 retry = 0;
 190 #endif
 191         u8 data = 0;
 192
 193         if (!bcmsdh)
 194                 bcmsdh = l_bcmsdh;
 195
 196         ASSERT(bcmsdh->init_success);
 197
 198 #ifdef SDIOH_API_ACCESS_RETRY_LIMIT
 199         do {
 200                 if (retry)      /* wait for 1 ms till bus get settled down */
 201                         OSL_DELAY(1000);
 202 #endif
 203                 status =
 204                     sdioh_cfg_read(bcmsdh->sdioh, fnc_num, addr,
 205                                    (u8 *) &data);
 206 #ifdef SDIOH_API_ACCESS_RETRY_LIMIT
 207         } while (!SDIOH_API_SUCCESS(status)
 208                  && (retry++ < SDIOH_API_ACCESS_RETRY_LIMIT));
 209 #endif
 210         if (err)
 211                 *err = (SDIOH_API_SUCCESS(status) ? 0 : BCME_SDIO_ERROR);
 212
 213         BCMSDH_INFO(("%s:fun = %d, addr = 0x%x, u8data = 0x%x\n",
 214                      __func__, fnc_num, addr, data));
 215
 216         return data;
 217 }
 218
 219 void
 220 bcmsdh_cfg_write(void *sdh, uint fnc_num, u32 addr, u8 data, int *err)
 221 {
 222         bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
 223         SDIOH_API_RC status;
 224 #ifdef SDIOH_API_ACCESS_RETRY_LIMIT
 225         s32 retry = 0;
 226 #endif
 227
 228         if (!bcmsdh)
 229                 bcmsdh = l_bcmsdh;
 230
 231         ASSERT(bcmsdh->init_success);
 232
 233 #ifdef SDIOH_API_ACCESS_RETRY_LIMIT
 234         do {
 235                 if (retry)      /* wait for 1 ms till bus get settled down */
 236                         OSL_DELAY(1000);
 237 #endif
 238                 status =
 239                     sdioh_cfg_write(bcmsdh->sdioh, fnc_num, addr,
 240                                     (u8 *) &data);
 241 #ifdef SDIOH_API_ACCESS_RETRY_LIMIT
 242         } while (!SDIOH_API_SUCCESS(status)
 243                  && (retry++ < SDIOH_API_ACCESS_RETRY_LIMIT));
 244 #endif
 245         if (err)
 246                 *err = SDIOH_API_SUCCESS(status) ? 0 : BCME_SDIO_ERROR;
 247
 248         BCMSDH_INFO(("%s:fun = %d, addr = 0x%x, u8data = 0x%x\n",
 249                      __func__, fnc_num, addr, data));
 250 }
 251
 252 u32 bcmsdh_cfg_read_word(void *sdh, uint fnc_num, u32 addr, int *err)
 253 {
 254         bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
 255         SDIOH_API_RC status;
 256         u32 data = 0;
 257
 258         if (!bcmsdh)
 259                 bcmsdh = l_bcmsdh;
 260
 261         ASSERT(bcmsdh->init_success);
 262
 263         status =
 264             sdioh_request_word(bcmsdh->sdioh, SDIOH_CMD_TYPE_NORMAL, SDIOH_READ,
 265                                fnc_num, addr, &data, 4);
 266
 267         if (err)
 268                 *err = (SDIOH_API_SUCCESS(status) ? 0 : BCME_SDIO_ERROR);
 269
 270         BCMSDH_INFO(("%s:fun = %d, addr = 0x%x, u32data = 0x%x\n",
 271                      __func__, fnc_num, addr, data));
 272
 273         return data;
 274 }
 275
 276 void
 277 bcmsdh_cfg_write_word(void *sdh, uint fnc_num, u32 addr, u32 data,
 278                       int *err)
 279 {
 280         bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
 281         SDIOH_API_RC status;
 282
 283         if (!bcmsdh)
 284                 bcmsdh = l_bcmsdh;
 285
 286         ASSERT(bcmsdh->init_success);
 287
 288         status =
 289             sdioh_request_word(bcmsdh->sdioh, SDIOH_CMD_TYPE_NORMAL,
 290                                SDIOH_WRITE, fnc_num, addr, &data, 4);
 291
 292         if (err)
 293                 *err = (SDIOH_API_SUCCESS(status) ? 0 : BCME_SDIO_ERROR);
 294
 295         BCMSDH_INFO(("%s:fun = %d, addr = 0x%x, u32data = 0x%x\n",
 296                      __func__, fnc_num, addr, data));
 297 }
 298
 299 int bcmsdh_cis_read(void *sdh, uint func, u8 * cis, uint length)
 300 {
 301         bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
 302         SDIOH_API_RC status;
 303
 304         u8 *tmp_buf, *tmp_ptr;
 305         u8 *ptr;
 306         bool ascii = func & ~0xf;
 307         func &= 0x7;
 308
 309         if (!bcmsdh)
 310                 bcmsdh = l_bcmsdh;
 311
 312         ASSERT(bcmsdh->init_success);
 313         ASSERT(cis);
 314         ASSERT(length <= SBSDIO_CIS_SIZE_LIMIT);
 315
 316         status = sdioh_cis_read(bcmsdh->sdioh, func, cis, length);
 317
 318         if (ascii) {
 319                 /* Move binary bits to tmp and format them
 320                          into the provided buffer. */
 321                 tmp_buf = (u8 *) MALLOC(bcmsdh->osh, length);
 322                 if (tmp_buf == NULL) {
 323                         BCMSDH_ERROR(("%s: out of memory\n", __func__));
 324                         return BCME_NOMEM;
 325                 }
 326                 bcopy(cis, tmp_buf, length);
 327                 for (tmp_ptr = tmp_buf, ptr = cis; ptr < (cis + length - 4);
 328                      tmp_ptr++) {
 329                         ptr += sprintf((char *)ptr, "%.2x ", *tmp_ptr & 0xff);
 330                         if ((((tmp_ptr - tmp_buf) + 1) & 0xf) == 0)
 331                                 ptr += sprintf((char *)ptr, "\n");
 332                 }
 333                 MFREE(bcmsdh->osh, tmp_buf, length);
 334         }
 335
 336         return SDIOH_API_SUCCESS(status) ? 0 : BCME_ERROR;
 337 }
 338
 339 static int bcmsdhsdio_set_sbaddr_window(void *sdh, u32 address)
 340 {
 341         int err = 0;
 342         bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
 343         bcmsdh_cfg_write(bcmsdh, SDIO_FUNC_1, SBSDIO_FUNC1_SBADDRLOW,
 344                          (address >> 8) & SBSDIO_SBADDRLOW_MASK, &err);
 345         if (!err)
 346                 bcmsdh_cfg_write(bcmsdh, SDIO_FUNC_1, SBSDIO_FUNC1_SBADDRMID,
 347                                  (address >> 16) & SBSDIO_SBADDRMID_MASK, &err);
 348         if (!err)
 349                 bcmsdh_cfg_write(bcmsdh, SDIO_FUNC_1, SBSDIO_FUNC1_SBADDRHIGH,
 350                                  (address >> 24) & SBSDIO_SBADDRHIGH_MASK,
 351                                  &err);
 352
 353         return err;
 354 }
 355
 356 u32 bcmsdh_reg_read(void *sdh, u32 addr, uint size)
 357 {
 358         bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
 359         SDIOH_API_RC status;
 360         u32 word = 0;
 361         uint bar0 = addr & ~SBSDIO_SB_OFT_ADDR_MASK;
 362
 363         BCMSDH_INFO(("%s:fun = 1, addr = 0x%x, ", __func__, addr));
 364
 365         if (!bcmsdh)
 366                 bcmsdh = l_bcmsdh;
 367
 368         ASSERT(bcmsdh->init_success);
 369
 370         if (bar0 != bcmsdh->sbwad) {
 371                 if (bcmsdhsdio_set_sbaddr_window(bcmsdh, bar0))
 372                         return 0xFFFFFFFF;
 373
 374                 bcmsdh->sbwad = bar0;
 375         }
 376
 377         addr &= SBSDIO_SB_OFT_ADDR_MASK;
 378         if (size == 4)
 379                 addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;
 380
 381         status = sdioh_request_word(bcmsdh->sdioh, SDIOH_CMD_TYPE_NORMAL,
 382                                     SDIOH_READ, SDIO_FUNC_1, addr, &word, size);
 383
 384         bcmsdh->regfail = !(SDIOH_API_SUCCESS(status));
 385
 386         BCMSDH_INFO(("u32data = 0x%x\n", word));
 387
 388         /* if ok, return appropriately masked word */
 389         if (SDIOH_API_SUCCESS(status)) {
 390                 switch (size) {
 391                 case sizeof(u8):
 392                         return word & 0xff;
 393                 case sizeof(u16):
 394                         return word & 0xffff;
 395                 case sizeof(u32):
 396                         return word;
 397                 default:
 398                         bcmsdh->regfail = TRUE;
 399
 400                 }
 401         }
 402
 403         /* otherwise, bad sdio access or invalid size */
 404         BCMSDH_ERROR(("%s: error reading addr 0x%04x size %d\n", __func__,
 405                       addr, size));
 406         return 0xFFFFFFFF;
 407 }
 408
 409 u32 bcmsdh_reg_write(void *sdh, u32 addr, uint size, u32 data)
 410 {
 411         bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
 412         SDIOH_API_RC status;
 413         uint bar0 = addr & ~SBSDIO_SB_OFT_ADDR_MASK;
 414         int err = 0;
 415
 416         BCMSDH_INFO(("%s:fun = 1, addr = 0x%x, uint%ddata = 0x%x\n",
 417                      __func__, addr, size * 8, data));
 418
 419         if (!bcmsdh)
 420                 bcmsdh = l_bcmsdh;
 421
 422         ASSERT(bcmsdh->init_success);
 423
 424         if (bar0 != bcmsdh->sbwad) {
 425                 err = bcmsdhsdio_set_sbaddr_window(bcmsdh, bar0);
 426                 if (err)
 427                         return err;
 428
 429                 bcmsdh->sbwad = bar0;
 430         }
 431
 432         addr &= SBSDIO_SB_OFT_ADDR_MASK;
 433         if (size == 4)
 434                 addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;
 435         status =
 436             sdioh_request_word(bcmsdh->sdioh, SDIOH_CMD_TYPE_NORMAL,
 437                                SDIOH_WRITE, SDIO_FUNC_1, addr, &data, size);
 438         bcmsdh->regfail = !(SDIOH_API_SUCCESS(status));
 439
 440         if (SDIOH_API_SUCCESS(status))
 441                 return 0;
 442
 443         BCMSDH_ERROR(("%s: error writing 0x%08x to addr 0x%04x size %d\n",
 444                       __func__, data, addr, size));
 445         return 0xFFFFFFFF;
 446 }
 447
 448 bool bcmsdh_regfail(void *sdh)
 449 {
 450         return ((bcmsdh_info_t *) sdh)->regfail;
 451 }
 452
 453 int
 454 bcmsdh_recv_buf(void *sdh, u32 addr, uint fn, uint flags,
 455                 u8 *buf, uint nbytes, void *pkt,
 456                 bcmsdh_cmplt_fn_t complete, void *handle)
 457 {
 458         bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
 459         SDIOH_API_RC status;
 460         uint incr_fix;
 461         uint width;
 462         uint bar0 = addr & ~SBSDIO_SB_OFT_ADDR_MASK;
 463         int err = 0;
 464
 465         ASSERT(bcmsdh);
 466         ASSERT(bcmsdh->init_success);
 467
 468         BCMSDH_INFO(("%s:fun = %d, addr = 0x%x, size = %d\n",
 469                      __func__, fn, addr, nbytes));
 470
 471         /* Async not implemented yet */
 472         ASSERT(!(flags & SDIO_REQ_ASYNC));
 473         if (flags & SDIO_REQ_ASYNC)
 474                 return BCME_UNSUPPORTED;
 475
 476         if (bar0 != bcmsdh->sbwad) {
 477                 err = bcmsdhsdio_set_sbaddr_window(bcmsdh, bar0);
 478                 if (err)
 479                         return err;
 480
 481                 bcmsdh->sbwad = bar0;
 482         }
 483
 484         addr &= SBSDIO_SB_OFT_ADDR_MASK;
 485
 486         incr_fix = (flags & SDIO_REQ_FIXED) ? SDIOH_DATA_FIX : SDIOH_DATA_INC;
 487         width = (flags & SDIO_REQ_4BYTE) ? 4 : 2;
 488         if (width == 4)
 489                 addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;
 490
 491         status = sdioh_request_buffer(bcmsdh->sdioh, SDIOH_DATA_PIO, incr_fix,
 492                                       SDIOH_READ, fn, addr, width, nbytes, buf,
 493                                       pkt);
 494
 495         return SDIOH_API_SUCCESS(status) ? 0 : BCME_SDIO_ERROR;
 496 }
 497
 498 int
 499 bcmsdh_send_buf(void *sdh, u32 addr, uint fn, uint flags,
 500                 u8 *buf, uint nbytes, void *pkt,
 501                 bcmsdh_cmplt_fn_t complete, void *handle)
 502 {
 503         bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
 504         SDIOH_API_RC status;
 505         uint incr_fix;
 506         uint width;
 507         uint bar0 = addr & ~SBSDIO_SB_OFT_ADDR_MASK;
 508         int err = 0;
 509
 510         ASSERT(bcmsdh);
 511         ASSERT(bcmsdh->init_success);
 512
 513         BCMSDH_INFO(("%s:fun = %d, addr = 0x%x, size = %d\n",
 514                      __func__, fn, addr, nbytes));
 515
 516         /* Async not implemented yet */
 517         ASSERT(!(flags & SDIO_REQ_ASYNC));
 518         if (flags & SDIO_REQ_ASYNC)
 519                 return BCME_UNSUPPORTED;
 520
 521         if (bar0 != bcmsdh->sbwad) {
 522                 err = bcmsdhsdio_set_sbaddr_window(bcmsdh, bar0);
 523                 if (err)
 524                         return err;
 525
 526                 bcmsdh->sbwad = bar0;
 527         }
 528
 529         addr &= SBSDIO_SB_OFT_ADDR_MASK;
 530
 531         incr_fix = (flags & SDIO_REQ_FIXED) ? SDIOH_DATA_FIX : SDIOH_DATA_INC;
 532         width = (flags & SDIO_REQ_4BYTE) ? 4 : 2;
 533         if (width == 4)
 534                 addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;
 535
 536         status = sdioh_request_buffer(bcmsdh->sdioh, SDIOH_DATA_PIO, incr_fix,
 537                                       SDIOH_WRITE, fn, addr, width, nbytes, buf,
 538                                       pkt);
 539
 540         return SDIOH_API_SUCCESS(status) ? 0 : BCME_ERROR;
 541 }
 542
 543 int bcmsdh_rwdata(void *sdh, uint rw, u32 addr, u8 *buf, uint nbytes)
 544 {
 545         bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
 546         SDIOH_API_RC status;
 547
 548         ASSERT(bcmsdh);
 549         ASSERT(bcmsdh->init_success);
 550         ASSERT((addr & SBSDIO_SBWINDOW_MASK) == 0);
 551
 552         addr &= SBSDIO_SB_OFT_ADDR_MASK;
 553         addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;
 554
 555         status =
 556             sdioh_request_buffer(bcmsdh->sdioh, SDIOH_DATA_PIO, SDIOH_DATA_INC,
 557                                  (rw ? SDIOH_WRITE : SDIOH_READ), SDIO_FUNC_1,
 558                                  addr, 4, nbytes, buf, NULL);
 559
 560         return SDIOH_API_SUCCESS(status) ? 0 : BCME_ERROR;
 561 }
 562
 563 int bcmsdh_abort(void *sdh, uint fn)
 564 {
 565         bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
 566
 567         return sdioh_abort(bcmsdh->sdioh, fn);
 568 }
 569
 570 int bcmsdh_start(void *sdh, int stage)
 571 {
 572         bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
 573
 574         return sdioh_start(bcmsdh->sdioh, stage);
 575 }
 576
 577 int bcmsdh_stop(void *sdh)
 578 {
 579         bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
 580
 581         return sdioh_stop(bcmsdh->sdioh);
 582 }
 583
 584 int bcmsdh_query_device(void *sdh)
 585 {
 586         bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
 587         bcmsdh->vendevid = (VENDOR_BROADCOM << 16) | 0;
 588         return bcmsdh->vendevid;
 589 }
 590
 591 uint bcmsdh_query_iofnum(void *sdh)
 592 {
 593         bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
 594
 595         if (!bcmsdh)
 596                 bcmsdh = l_bcmsdh;
 597
 598         return sdioh_query_iofnum(bcmsdh->sdioh);
 599 }
 600
 601 int bcmsdh_reset(bcmsdh_info_t *sdh)
 602 {
 603         bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
 604
 605         return sdioh_sdio_reset(bcmsdh->sdioh);
 606 }
 607
 608 void *bcmsdh_get_sdioh(bcmsdh_info_t *sdh)
 609 {
 610         ASSERT(sdh);
 611         return sdh->sdioh;
 612 }
 613
 614 /* Function to pass device-status bits to DHD. */
 615 u32 bcmsdh_get_dstatus(void *sdh)
 616 {
 617         return 0;
 618 }
 619
 620 u32 bcmsdh_cur_sbwad(void *sdh)
 621 {
 622         bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
 623
 624         if (!bcmsdh)
 625                 bcmsdh = l_bcmsdh;
 626
 627         return bcmsdh->sbwad;
 628 }
 629
 630 void bcmsdh_chipinfo(void *sdh, u32 chip, u32 chiprev)
 631 {
 632         return;
 633 }