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