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