1 files changed, 321 insertions, 310 deletions

diff --git a/drivers/staging/brcm80211/brcmfmac/bcmsdh.c b/drivers/staging/brcm80211/brcmfmac/bcmsdh.c
index 3750fcf5a871..f4e72ed126b0 100644
--- a/drivers/staging/brcm80211/brcmfmac/bcmsdh.c
+++ b/drivers/staging/brcm80211/brcmfmac/bcmsdh.c
@@ -13,29 +13,59 @@
  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
-/* ****************** BCMSDH Interface Functions *************************** */
+/* ****************** SDIO CARD Interface Functions **************************/
 
 #include <linux/types.h>
 #include <linux/netdevice.h>
+#include <linux/pci.h>
 #include <linux/pci_ids.h>
-#include <bcmdefs.h>
-#include <bcmdevs.h>
-#include <bcmutils.h>
-#include <hndsoc.h>
-
-#include <bcmsdh.h>		/* BRCM API for SDIO
-			 clients (such as wl, dhd) */
-#include <bcmsdbus.h>		/* common SDIO/controller interface */
-#include <sbsdio.h>		/* BRCM sdio device core */
-
-#include <sdio.h>		/* sdio spec */
-#include "dngl_stats.h"
+#include <linux/sched.h>
+#include <linux/completion.h>
+
+#include <defs.h>
+#include <brcm_hw_ids.h>
+#include <brcmu_utils.h>
+#include <brcmu_wifi.h>
+#include <soc.h>
 #include "dhd.h"
+#include "dhd_bus.h"
+#include "sdio_host.h"
 
 #define SDIOH_API_ACCESS_RETRY_LIMIT	2
-const uint bcmsdh_msglevel = BCMSDH_ERROR_VAL;
 
-struct bcmsdh_info {
+#define BRCMF_SD_ERROR_VAL	0x0001	/* Error */
+#define BRCMF_SD_INFO_VAL		0x0002	/* Info */
+
+
+#ifdef BCMDBG
+#define BRCMF_SD_ERROR(x) \
+	do { \
+		if ((brcmf_sdio_msglevel & BRCMF_SD_ERROR_VAL) && \
+		    net_ratelimit()) \
+			printk x; \
+	} while (0)
+#define BRCMF_SD_INFO(x)	\
+	do { \
+		if ((brcmf_sdio_msglevel & BRCMF_SD_INFO_VAL) && \
+		    net_ratelimit()) \
+			printk x; \
+	} while (0)
+#else				/* BCMDBG */
+#define BRCMF_SD_ERROR(x)
+#define BRCMF_SD_INFO(x)
+#endif				/* BCMDBG */
+
+/* debugging macros */
+#define SDLX_MSG(x)
+
+#define SDIOH_CMD_TYPE_NORMAL   0	/* Normal command */
+#define SDIOH_CMD_TYPE_APPEND   1	/* Append command */
+#define SDIOH_CMD_TYPE_CUTTHRU  2	/* Cut-through command */
+
+#define SDIOH_DATA_PIO          0	/* PIO mode */
+#define SDIOH_DATA_DMA          1	/* DMA mode */
+
+struct brcmf_sdio_card {
 	bool init_success;	/* underlying driver successfully attached */
 	void *sdioh;		/* handler for sdioh */
 	u32 vendevid;	/* Target Vendor and Device ID on SD bus */
@@ -43,282 +73,232 @@ struct bcmsdh_info {
 				 reg_read/reg_write call */
 	u32 sbwad;		/* Save backplane window address */
 };
+
+/**
+ * SDIO Host Controller info
+ */
+struct sdio_hc {
+	struct sdio_hc *next;
+	struct device *dev;	/* platform device handle */
+	void *regs;		/* SDIO Host Controller address */
+	struct brcmf_sdio_card *card;
+	void *ch;
+	unsigned int oob_irq;
+	unsigned long oob_flags;	/* OOB Host specifiction
+					as edge and etc */
+	bool oob_irq_registered;
+};
+
 /* local copy of bcm sd handler */
-bcmsdh_info_t *l_bcmsdh;
+static struct brcmf_sdio_card *l_card;
 
-#if defined(OOB_INTR_ONLY) && defined(HW_OOB)
-extern int sdioh_enable_hw_oob_intr(void *sdioh, bool enable);
+const uint brcmf_sdio_msglevel = BRCMF_SD_ERROR_VAL;
 
-void bcmsdh_enable_hw_oob_intr(bcmsdh_info_t *sdh, bool enable)
-{
-	sdioh_enable_hw_oob_intr(sdh->sdioh, enable);
-}
-#endif
+static struct sdio_hc *sdhcinfo;
+
+/* driver info, initialized when brcmf_sdio_register is called */
+static struct brcmf_sdioh_driver drvinfo = { NULL, NULL };
+
+/* Module parameters specific to each host-controller driver */
+
+module_param(sd_msglevel, uint, 0);
 
-bcmsdh_info_t *bcmsdh_attach(void *cfghdl, void **regsva, uint irq)
+extern uint sd_f2_blocksize;
+module_param(sd_f2_blocksize, int, 0);
+
+/* forward declarations */
+int brcmf_sdio_probe(struct device *dev);
+EXPORT_SYMBOL(brcmf_sdio_probe);
+
+int brcmf_sdio_remove(struct device *dev);
+EXPORT_SYMBOL(brcmf_sdio_remove);
+
+struct brcmf_sdio_card*
+brcmf_sdcard_attach(void *cfghdl, u32 *regsva, uint irq)
 {
-	bcmsdh_info_t *bcmsdh;
+	struct brcmf_sdio_card *card;
 
-	bcmsdh = kzalloc(sizeof(bcmsdh_info_t), GFP_ATOMIC);
-	if (bcmsdh == NULL) {
-		BCMSDH_ERROR(("bcmsdh_attach: out of memory"));
+	card = kzalloc(sizeof(struct brcmf_sdio_card), GFP_ATOMIC);
+	if (card == NULL) {
+		BRCMF_SD_ERROR(("sdcard_attach: out of memory"));
 		return NULL;
 	}
 
 	/* save the handler locally */
-	l_bcmsdh = bcmsdh;
+	l_card = card;
 
-	bcmsdh->sdioh = sdioh_attach(cfghdl, irq);
-	if (!bcmsdh->sdioh) {
-		bcmsdh_detach(bcmsdh);
+	card->sdioh = brcmf_sdioh_attach(cfghdl, irq);
+	if (!card->sdioh) {
+		brcmf_sdcard_detach(card);
 		return NULL;
 	}
 
-	bcmsdh->init_success = true;
+	card->init_success = true;
 
-	*regsva = (u32 *) SI_ENUM_BASE;
+	*regsva = SI_ENUM_BASE;
 
 	/* Report the BAR, to fix if needed */
-	bcmsdh->sbwad = SI_ENUM_BASE;
-	return bcmsdh;
+	card->sbwad = SI_ENUM_BASE;
+	return card;
 }
 
-int bcmsdh_detach(void *sdh)
+int brcmf_sdcard_detach(struct brcmf_sdio_card *card)
 {
-	bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
-
-	if (bcmsdh != NULL) {
-		if (bcmsdh->sdioh) {
-			sdioh_detach(bcmsdh->sdioh);
-			bcmsdh->sdioh = NULL;
+	if (card != NULL) {
+		if (card->sdioh) {
+			brcmf_sdioh_detach(card->sdioh);
+			card->sdioh = NULL;
 		}
-		kfree(bcmsdh);
+		kfree(card);
 	}
 
-	l_bcmsdh = NULL;
+	l_card = NULL;
 	return 0;
 }
 
 int
-bcmsdh_iovar_op(void *sdh, const char *name,
+brcmf_sdcard_iovar_op(struct brcmf_sdio_card *card, const char *name,
 		void *params, int plen, void *arg, int len, bool set)
 {
-	bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
-	return sdioh_iovar_op(bcmsdh->sdioh, name, params, plen, arg, len, set);
-}
-
-bool bcmsdh_intr_query(void *sdh)
-{
-	bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
-	SDIOH_API_RC status;
-	bool on;
-
-	ASSERT(bcmsdh);
-	status = sdioh_interrupt_query(bcmsdh->sdioh, &on);
-	if (SDIOH_API_SUCCESS(status))
-		return false;
-	else
-		return on;
-}
-
-int bcmsdh_intr_enable(void *sdh)
-{
-	bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
-	SDIOH_API_RC status;
-	ASSERT(bcmsdh);
-
-	status = sdioh_interrupt_set(bcmsdh->sdioh, true);
-	return SDIOH_API_SUCCESS(status) ? 0 : -EIO;
+	return brcmf_sdioh_iovar_op(card->sdioh, name, params, plen, arg,
+				    len, set);
 }
 
-int bcmsdh_intr_disable(void *sdh)
+int brcmf_sdcard_intr_enable(struct brcmf_sdio_card *card)
 {
-	bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
-	SDIOH_API_RC status;
-	ASSERT(bcmsdh);
-
-	status = sdioh_interrupt_set(bcmsdh->sdioh, false);
-	return SDIOH_API_SUCCESS(status) ? 0 : -EIO;
+	return brcmf_sdioh_interrupt_set(card->sdioh, true);
 }
 
-int bcmsdh_intr_reg(void *sdh, bcmsdh_cb_fn_t fn, void *argh)
+int brcmf_sdcard_intr_disable(struct brcmf_sdio_card *card)
 {
-	bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
-	SDIOH_API_RC status;
-	ASSERT(bcmsdh);
-
-	status = sdioh_interrupt_register(bcmsdh->sdioh, fn, argh);
-	return SDIOH_API_SUCCESS(status) ? 0 : -EIO;
+	return brcmf_sdioh_interrupt_set(card->sdioh, false);
 }
 
-int bcmsdh_intr_dereg(void *sdh)
+int brcmf_sdcard_intr_reg(struct brcmf_sdio_card *card,
+			  void (*fn)(void *), void *argh)
 {
-	bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
-	SDIOH_API_RC status;
-	ASSERT(bcmsdh);
-
-	status = sdioh_interrupt_deregister(bcmsdh->sdioh);
-	return SDIOH_API_SUCCESS(status) ? 0 : -EIO;
+	return brcmf_sdioh_interrupt_register(card->sdioh, fn, argh);
 }
 
-#if defined(DHD_DEBUG)
-bool bcmsdh_intr_pending(void *sdh)
+int brcmf_sdcard_intr_dereg(struct brcmf_sdio_card *card)
 {
-	bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
-
-	ASSERT(sdh);
-	return sdioh_interrupt_pending(bcmsdh->sdioh);
+	return brcmf_sdioh_interrupt_deregister(card->sdioh);
 }
-#endif
 
-int bcmsdh_devremove_reg(void *sdh, bcmsdh_cb_fn_t fn, void *argh)
+u8 brcmf_sdcard_cfg_read(struct brcmf_sdio_card *card, uint fnc_num, u32 addr,
+			 int *err)
 {
-	ASSERT(sdh);
-
-	/* don't support yet */
-	return -ENOTSUPP;
-}
-
-u8 bcmsdh_cfg_read(void *sdh, uint fnc_num, u32 addr, int *err)
-{
-	bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
-	SDIOH_API_RC status;
-#ifdef SDIOH_API_ACCESS_RETRY_LIMIT
+	int status;
 	s32 retry = 0;
-#endif
 	u8 data = 0;
 
-	if (!bcmsdh)
-		bcmsdh = l_bcmsdh;
-
-	ASSERT(bcmsdh->init_success);
+	if (!card)
+		card = l_card;
 
-#ifdef SDIOH_API_ACCESS_RETRY_LIMIT
 	do {
 		if (retry)	/* wait for 1 ms till bus get settled down */
 			udelay(1000);
-#endif
 		status =
-		    sdioh_cfg_read(bcmsdh->sdioh, fnc_num, addr,
+		    brcmf_sdioh_cfg_read(card->sdioh, fnc_num, addr,
 				   (u8 *) &data);
-#ifdef SDIOH_API_ACCESS_RETRY_LIMIT
-	} while (!SDIOH_API_SUCCESS(status)
+	} while (status != 0
 		 && (retry++ < SDIOH_API_ACCESS_RETRY_LIMIT));
-#endif
 	if (err)
-		*err = (SDIOH_API_SUCCESS(status) ? 0 : -EIO);
+		*err = status;
 
-	BCMSDH_INFO(("%s:fun = %d, addr = 0x%x, u8data = 0x%x\n",
+	BRCMF_SD_INFO(("%s:fun = %d, addr = 0x%x, u8data = 0x%x\n",
 		     __func__, fnc_num, addr, data));
 
 	return data;
 }
 
 void
-bcmsdh_cfg_write(void *sdh, uint fnc_num, u32 addr, u8 data, int *err)
+brcmf_sdcard_cfg_write(struct brcmf_sdio_card *card, uint fnc_num, u32 addr,
+		       u8 data, int *err)
 {
-	bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
-	SDIOH_API_RC status;
-#ifdef SDIOH_API_ACCESS_RETRY_LIMIT
+	int status;
 	s32 retry = 0;
-#endif
 
-	if (!bcmsdh)
-		bcmsdh = l_bcmsdh;
+	if (!card)
+		card = l_card;
 
-	ASSERT(bcmsdh->init_success);
-
-#ifdef SDIOH_API_ACCESS_RETRY_LIMIT
 	do {
 		if (retry)	/* wait for 1 ms till bus get settled down */
 			udelay(1000);
-#endif
 		status =
-		    sdioh_cfg_write(bcmsdh->sdioh, fnc_num, addr,
+		    brcmf_sdioh_cfg_write(card->sdioh, fnc_num, addr,
 				    (u8 *) &data);
-#ifdef SDIOH_API_ACCESS_RETRY_LIMIT
-	} while (!SDIOH_API_SUCCESS(status)
+	} while (status != 0
 		 && (retry++ < SDIOH_API_ACCESS_RETRY_LIMIT));
-#endif
 	if (err)
-		*err = SDIOH_API_SUCCESS(status) ? 0 : -EIO;
+		*err = status;
 
-	BCMSDH_INFO(("%s:fun = %d, addr = 0x%x, u8data = 0x%x\n",
+	BRCMF_SD_INFO(("%s:fun = %d, addr = 0x%x, u8data = 0x%x\n",
 		     __func__, fnc_num, addr, data));
 }
 
-u32 bcmsdh_cfg_read_word(void *sdh, uint fnc_num, u32 addr, int *err)
+u32 brcmf_sdcard_cfg_read_word(struct brcmf_sdio_card *card, uint fnc_num,
+			       u32 addr, int *err)
 {
-	bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
-	SDIOH_API_RC status;
+	int status;
 	u32 data = 0;
 
-	if (!bcmsdh)
-		bcmsdh = l_bcmsdh;
-
-	ASSERT(bcmsdh->init_success);
+	if (!card)
+		card = l_card;
 
-	status =
-	    sdioh_request_word(bcmsdh->sdioh, SDIOH_CMD_TYPE_NORMAL, SDIOH_READ,
-			       fnc_num, addr, &data, 4);
+	status = brcmf_sdioh_request_word(card->sdioh, SDIOH_CMD_TYPE_NORMAL,
+		SDIOH_READ, fnc_num, addr, &data, 4);
 
 	if (err)
-		*err = (SDIOH_API_SUCCESS(status) ? 0 : -EIO);
+		*err = status;
 
-	BCMSDH_INFO(("%s:fun = %d, addr = 0x%x, u32data = 0x%x\n",
+	BRCMF_SD_INFO(("%s:fun = %d, addr = 0x%x, u32data = 0x%x\n",
 		     __func__, fnc_num, addr, data));
 
 	return data;
 }
 
 void
-bcmsdh_cfg_write_word(void *sdh, uint fnc_num, u32 addr, u32 data,
-		      int *err)
+brcmf_sdcard_cfg_write_word(struct brcmf_sdio_card *card, uint fnc_num,
+			    u32 addr, u32 data, int *err)
 {
-	bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
-	SDIOH_API_RC status;
-
-	if (!bcmsdh)
-		bcmsdh = l_bcmsdh;
+	int status;
 
-	ASSERT(bcmsdh->init_success);
+	if (!card)
+		card = l_card;
 
 	status =
-	    sdioh_request_word(bcmsdh->sdioh, SDIOH_CMD_TYPE_NORMAL,
+	    brcmf_sdioh_request_word(card->sdioh, SDIOH_CMD_TYPE_NORMAL,
 			       SDIOH_WRITE, fnc_num, addr, &data, 4);
 
 	if (err)
-		*err = (SDIOH_API_SUCCESS(status) ? 0 : -EIO);
+		*err = status;
 
-	BCMSDH_INFO(("%s:fun = %d, addr = 0x%x, u32data = 0x%x\n",
+	BRCMF_SD_INFO(("%s:fun = %d, addr = 0x%x, u32data = 0x%x\n",
 		     __func__, fnc_num, addr, data));
 }
 
-int bcmsdh_cis_read(void *sdh, uint func, u8 * cis, uint length)
+int brcmf_sdcard_cis_read(struct brcmf_sdio_card *card, uint func, u8 * cis,
+			  uint length)
 {
-	bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
-	SDIOH_API_RC status;
+	int status;
 
 	u8 *tmp_buf, *tmp_ptr;
 	u8 *ptr;
 	bool ascii = func & ~0xf;
 	func &= 0x7;
 
-	if (!bcmsdh)
-		bcmsdh = l_bcmsdh;
+	if (!card)
+		card = l_card;
 
-	ASSERT(bcmsdh->init_success);
-	ASSERT(cis);
-	ASSERT(length <= SBSDIO_CIS_SIZE_LIMIT);
-
-	status = sdioh_cis_read(bcmsdh->sdioh, func, cis, length);
+	status = brcmf_sdioh_cis_read(card->sdioh, func, cis, length);
 
 	if (ascii) {
 		/* Move binary bits to tmp and format them
 			 into the provided buffer. */
 		tmp_buf = kmalloc(length, GFP_ATOMIC);
 		if (tmp_buf == NULL) {
-			BCMSDH_ERROR(("%s: out of memory\n", __func__));
+			BRCMF_SD_ERROR(("%s: out of memory\n", __func__));
 			return -ENOMEM;
 		}
 		memcpy(tmp_buf, cis, length);
@@ -331,60 +311,60 @@ int bcmsdh_cis_read(void *sdh, uint func, u8 * cis, uint length)
 		kfree(tmp_buf);
 	}
 
-	return SDIOH_API_SUCCESS(status) ? 0 : -EIO;
+	return status;
 }
 
-static int bcmsdhsdio_set_sbaddr_window(void *sdh, u32 address)
+static int
+brcmf_sdcard_set_sbaddr_window(struct brcmf_sdio_card *card, u32 address)
 {
 	int err = 0;
-	bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
-	bcmsdh_cfg_write(bcmsdh, SDIO_FUNC_1, SBSDIO_FUNC1_SBADDRLOW,
+	brcmf_sdcard_cfg_write(card, SDIO_FUNC_1, SBSDIO_FUNC1_SBADDRLOW,
 			 (address >> 8) & SBSDIO_SBADDRLOW_MASK, &err);
 	if (!err)
-		bcmsdh_cfg_write(bcmsdh, SDIO_FUNC_1, SBSDIO_FUNC1_SBADDRMID,
-				 (address >> 16) & SBSDIO_SBADDRMID_MASK, &err);
+		brcmf_sdcard_cfg_write(card, SDIO_FUNC_1,
+				       SBSDIO_FUNC1_SBADDRMID,
+				       (address >> 16) & SBSDIO_SBADDRMID_MASK,
+				       &err);
 	if (!err)
-		bcmsdh_cfg_write(bcmsdh, SDIO_FUNC_1, SBSDIO_FUNC1_SBADDRHIGH,
-				 (address >> 24) & SBSDIO_SBADDRHIGH_MASK,
-				 &err);
+		brcmf_sdcard_cfg_write(card, SDIO_FUNC_1,
+				       SBSDIO_FUNC1_SBADDRHIGH,
+				       (address >> 24) & SBSDIO_SBADDRHIGH_MASK,
+				       &err);
 
 	return err;
 }
 
-u32 bcmsdh_reg_read(void *sdh, u32 addr, uint size)
+u32 brcmf_sdcard_reg_read(struct brcmf_sdio_card *card, u32 addr, uint size)
 {
-	bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
-	SDIOH_API_RC status;
+	int status;
 	u32 word = 0;
 	uint bar0 = addr & ~SBSDIO_SB_OFT_ADDR_MASK;
 
-	BCMSDH_INFO(("%s:fun = 1, addr = 0x%x, ", __func__, addr));
-
-	if (!bcmsdh)
-		bcmsdh = l_bcmsdh;
+	BRCMF_SD_INFO(("%s:fun = 1, addr = 0x%x, ", __func__, addr));
 
-	ASSERT(bcmsdh->init_success);
+	if (!card)
+		card = l_card;
 
-	if (bar0 != bcmsdh->sbwad) {
-		if (bcmsdhsdio_set_sbaddr_window(bcmsdh, bar0))
+	if (bar0 != card->sbwad) {
+		if (brcmf_sdcard_set_sbaddr_window(card, bar0))
 			return 0xFFFFFFFF;
 
-		bcmsdh->sbwad = bar0;
+		card->sbwad = bar0;
 	}
 
 	addr &= SBSDIO_SB_OFT_ADDR_MASK;
 	if (size == 4)
 		addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;
 
-	status = sdioh_request_word(bcmsdh->sdioh, SDIOH_CMD_TYPE_NORMAL,
+	status = brcmf_sdioh_request_word(card->sdioh, SDIOH_CMD_TYPE_NORMAL,
 				    SDIOH_READ, SDIO_FUNC_1, addr, &word, size);
 
-	bcmsdh->regfail = !(SDIOH_API_SUCCESS(status));
+	card->regfail = (status != 0);
 
-	BCMSDH_INFO(("u32data = 0x%x\n", word));
+	BRCMF_SD_INFO(("u32data = 0x%x\n", word));
 
 	/* if ok, return appropriately masked word */
-	if (SDIOH_API_SUCCESS(status)) {
+	if (status == 0) {
 		switch (size) {
 		case sizeof(u8):
 			return word & 0xff;
@@ -393,90 +373,86 @@ u32 bcmsdh_reg_read(void *sdh, u32 addr, uint size)
 		case sizeof(u32):
 			return word;
 		default:
-			bcmsdh->regfail = true;
+			card->regfail = true;
 
 		}
 	}
 
 	/* otherwise, bad sdio access or invalid size */
-	BCMSDH_ERROR(("%s: error reading addr 0x%04x size %d\n", __func__,
+	BRCMF_SD_ERROR(("%s: error reading addr 0x%04x size %d\n", __func__,
 		      addr, size));
 	return 0xFFFFFFFF;
 }
 
-u32 bcmsdh_reg_write(void *sdh, u32 addr, uint size, u32 data)
+u32 brcmf_sdcard_reg_write(struct brcmf_sdio_card *card, u32 addr, uint size,
+			   u32 data)
 {
-	bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
-	SDIOH_API_RC status;
+	int status;
 	uint bar0 = addr & ~SBSDIO_SB_OFT_ADDR_MASK;
 	int err = 0;
 
-	BCMSDH_INFO(("%s:fun = 1, addr = 0x%x, uint%ddata = 0x%x\n",
+	BRCMF_SD_INFO(("%s:fun = 1, addr = 0x%x, uint%ddata = 0x%x\n",
 		     __func__, addr, size * 8, data));
 
-	if (!bcmsdh)
-		bcmsdh = l_bcmsdh;
-
-	ASSERT(bcmsdh->init_success);
+	if (!card)
+		card = l_card;
 
-	if (bar0 != bcmsdh->sbwad) {
-		err = bcmsdhsdio_set_sbaddr_window(bcmsdh, bar0);
+	if (bar0 != card->sbwad) {
+		err = brcmf_sdcard_set_sbaddr_window(card, bar0);
 		if (err)
 			return err;
 
-		bcmsdh->sbwad = bar0;
+		card->sbwad = bar0;
 	}
 
 	addr &= SBSDIO_SB_OFT_ADDR_MASK;
 	if (size == 4)
 		addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;
 	status =
-	    sdioh_request_word(bcmsdh->sdioh, SDIOH_CMD_TYPE_NORMAL,
+	    brcmf_sdioh_request_word(card->sdioh, SDIOH_CMD_TYPE_NORMAL,
 			       SDIOH_WRITE, SDIO_FUNC_1, addr, &data, size);
-	bcmsdh->regfail = !(SDIOH_API_SUCCESS(status));
+	card->regfail = (status != 0);
 
-	if (SDIOH_API_SUCCESS(status))
+	if (status == 0)
 		return 0;
 
-	BCMSDH_ERROR(("%s: error writing 0x%08x to addr 0x%04x size %d\n",
+	BRCMF_SD_ERROR(("%s: error writing 0x%08x to addr 0x%04x size %d\n",
 		      __func__, data, addr, size));
 	return 0xFFFFFFFF;
 }
 
-bool bcmsdh_regfail(void *sdh)
+bool brcmf_sdcard_regfail(struct brcmf_sdio_card *card)
 {
-	return ((bcmsdh_info_t *) sdh)->regfail;
+	return card->regfail;
 }
 
 int
-bcmsdh_recv_buf(void *sdh, u32 addr, uint fn, uint flags,
-		u8 *buf, uint nbytes, struct sk_buff *pkt,
-		bcmsdh_cmplt_fn_t complete, void *handle)
-{
-	bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
-	SDIOH_API_RC status;
+brcmf_sdcard_recv_buf(struct brcmf_sdio_card *card, u32 addr, uint fn,
+		      uint flags,
+		      u8 *buf, uint nbytes, struct sk_buff *pkt,
+		      void (*complete)(void *handle, int status,
+				       bool sync_waiting),
+		      void *handle)
+{
+	int status;
 	uint incr_fix;
 	uint width;
 	uint bar0 = addr & ~SBSDIO_SB_OFT_ADDR_MASK;
 	int err = 0;
 
-	ASSERT(bcmsdh);
-	ASSERT(bcmsdh->init_success);
-
-	BCMSDH_INFO(("%s:fun = %d, addr = 0x%x, size = %d\n",
+	BRCMF_SD_INFO(("%s:fun = %d, addr = 0x%x, size = %d\n",
 		     __func__, fn, addr, nbytes));
 
 	/* Async not implemented yet */
-	ASSERT(!(flags & SDIO_REQ_ASYNC));
 	if (flags & SDIO_REQ_ASYNC)
 		return -ENOTSUPP;
 
-	if (bar0 != bcmsdh->sbwad) {
-		err = bcmsdhsdio_set_sbaddr_window(bcmsdh, bar0);
+	if (bar0 != card->sbwad) {
+		err = brcmf_sdcard_set_sbaddr_window(card, bar0);
 		if (err)
 			return err;
 
-		bcmsdh->sbwad = bar0;
+		card->sbwad = bar0;
 	}
 
 	addr &= SBSDIO_SB_OFT_ADDR_MASK;
@@ -486,42 +462,37 @@ bcmsdh_recv_buf(void *sdh, u32 addr, uint fn, uint flags,
 	if (width == 4)
 		addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;
 
-	status = sdioh_request_buffer(bcmsdh->sdioh, SDIOH_DATA_PIO, incr_fix,
-				      SDIOH_READ, fn, addr, width, nbytes, buf,
-				      pkt);
+	status = brcmf_sdioh_request_buffer(card->sdioh, SDIOH_DATA_PIO,
+		incr_fix, SDIOH_READ, fn, addr, width, nbytes, buf, pkt);
 
-	return SDIOH_API_SUCCESS(status) ? 0 : -EIO;
+	return status;
 }
 
 int
-bcmsdh_send_buf(void *sdh, u32 addr, uint fn, uint flags,
-		u8 *buf, uint nbytes, void *pkt,
-		bcmsdh_cmplt_fn_t complete, void *handle)
+brcmf_sdcard_send_buf(struct brcmf_sdio_card *card, u32 addr, uint fn,
+		      uint flags, u8 *buf, uint nbytes, void *pkt,
+		      void (*complete)(void *handle, int status,
+				       bool sync_waiting),
+		      void *handle)
 {
-	bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
-	SDIOH_API_RC status;
 	uint incr_fix;
 	uint width;
 	uint bar0 = addr & ~SBSDIO_SB_OFT_ADDR_MASK;
 	int err = 0;
 
-	ASSERT(bcmsdh);
-	ASSERT(bcmsdh->init_success);
-
-	BCMSDH_INFO(("%s:fun = %d, addr = 0x%x, size = %d\n",
+	BRCMF_SD_INFO(("%s:fun = %d, addr = 0x%x, size = %d\n",
 		     __func__, fn, addr, nbytes));
 
 	/* Async not implemented yet */
-	ASSERT(!(flags & SDIO_REQ_ASYNC));
 	if (flags & SDIO_REQ_ASYNC)
 		return -ENOTSUPP;
 
-	if (bar0 != bcmsdh->sbwad) {
-		err = bcmsdhsdio_set_sbaddr_window(bcmsdh, bar0);
+	if (bar0 != card->sbwad) {
+		err = brcmf_sdcard_set_sbaddr_window(card, bar0);
 		if (err)
 			return err;
 
-		bcmsdh->sbwad = bar0;
+		card->sbwad = bar0;
 	}
 
 	addr &= SBSDIO_SB_OFT_ADDR_MASK;
@@ -531,101 +502,141 @@ bcmsdh_send_buf(void *sdh, u32 addr, uint fn, uint flags,
 	if (width == 4)
 		addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;
 
-	status = sdioh_request_buffer(bcmsdh->sdioh, SDIOH_DATA_PIO, incr_fix,
-				      SDIOH_WRITE, fn, addr, width, nbytes, buf,
-				      pkt);
-
-	return SDIOH_API_SUCCESS(status) ? 0 : -EIO;
+	return brcmf_sdioh_request_buffer(card->sdioh, SDIOH_DATA_PIO,
+		incr_fix, SDIOH_WRITE, fn, addr, width, nbytes, buf, pkt);
 }
 
-int bcmsdh_rwdata(void *sdh, uint rw, u32 addr, u8 *buf, uint nbytes)
+int brcmf_sdcard_rwdata(struct brcmf_sdio_card *card, uint rw, u32 addr,
+			u8 *buf, uint nbytes)
 {
-	bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
-	SDIOH_API_RC status;
-
-	ASSERT(bcmsdh);
-	ASSERT(bcmsdh->init_success);
-	ASSERT((addr & SBSDIO_SBWINDOW_MASK) == 0);
-
 	addr &= SBSDIO_SB_OFT_ADDR_MASK;
 	addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;
 
-	status =
-	    sdioh_request_buffer(bcmsdh->sdioh, SDIOH_DATA_PIO, SDIOH_DATA_INC,
-				 (rw ? SDIOH_WRITE : SDIOH_READ), SDIO_FUNC_1,
-				 addr, 4, nbytes, buf, NULL);
-
-	return SDIOH_API_SUCCESS(status) ? 0 : -EIO;
+	return brcmf_sdioh_request_buffer(card->sdioh, SDIOH_DATA_PIO,
+		SDIOH_DATA_INC, (rw ? SDIOH_WRITE : SDIOH_READ), SDIO_FUNC_1,
+		addr, 4, nbytes, buf, NULL);
 }
 
-int bcmsdh_abort(void *sdh, uint fn)
+int brcmf_sdcard_abort(struct brcmf_sdio_card *card, uint fn)
 {
-	bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
-
-	return sdioh_abort(bcmsdh->sdioh, fn);
+	return brcmf_sdioh_abort(card->sdioh, fn);
 }
 
-int bcmsdh_start(void *sdh, int stage)
+int brcmf_sdcard_query_device(struct brcmf_sdio_card *card)
 {
-	bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
-
-	return sdioh_start(bcmsdh->sdioh, stage);
+	card->vendevid = (PCI_VENDOR_ID_BROADCOM << 16) | 0;
+	return card->vendevid;
 }
 
-int bcmsdh_stop(void *sdh)
+u32 brcmf_sdcard_cur_sbwad(struct brcmf_sdio_card *card)
 {
-	bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
+	if (!card)
+		card = l_card;
 
-	return sdioh_stop(bcmsdh->sdioh);
+	return card->sbwad;
 }
 
-int bcmsdh_query_device(void *sdh)
+int brcmf_sdio_probe(struct device *dev)
 {
-	bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
-	bcmsdh->vendevid = (PCI_VENDOR_ID_BROADCOM << 16) | 0;
-	return bcmsdh->vendevid;
-}
+	struct sdio_hc *sdhc = NULL;
+	u32 regs = 0;
+	struct brcmf_sdio_card *card = NULL;
+	int irq = 0;
+	u32 vendevid;
+	unsigned long irq_flags = 0;
 
-uint bcmsdh_query_iofnum(void *sdh)
-{
-	bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
+	/* allocate SDIO Host Controller state info */
+	sdhc = kzalloc(sizeof(struct sdio_hc), GFP_ATOMIC);
+	if (!sdhc) {
+		SDLX_MSG(("%s: out of memory\n", __func__));
+		goto err;
+	}
+	sdhc->dev = (void *)dev;
 
-	if (!bcmsdh)
-		bcmsdh = l_bcmsdh;
+	card = brcmf_sdcard_attach((void *)0, &regs, irq);
+	if (!card) {
+		SDLX_MSG(("%s: attach failed\n", __func__));
+		goto err;
+	}
 
-	return sdioh_query_iofnum(bcmsdh->sdioh);
-}
+	sdhc->card = card;
+	sdhc->oob_irq = irq;
+	sdhc->oob_flags = irq_flags;
+	sdhc->oob_irq_registered = false;	/* to make sure.. */
+
+	/* chain SDIO Host Controller info together */
+	sdhc->next = sdhcinfo;
+	sdhcinfo = sdhc;
+	/* Read the vendor/device ID from the CIS */
+	vendevid = brcmf_sdcard_query_device(card);
+
+	/* try to attach to the target device */
+	sdhc->ch = drvinfo.attach((vendevid >> 16), (vendevid & 0xFFFF),
+				  0, 0, 0, 0, regs, card);
+	if (!sdhc->ch) {
+		SDLX_MSG(("%s: device attach failed\n", __func__));
+		goto err;
+	}
 
-int bcmsdh_reset(bcmsdh_info_t *sdh)
-{
-	bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
+	return 0;
 
-	return sdioh_sdio_reset(bcmsdh->sdioh);
-}
+	/* error handling */
+err:
+	if (sdhc) {
+		if (sdhc->card)
+			brcmf_sdcard_detach(sdhc->card);
+		kfree(sdhc);
+	}
 
-void *bcmsdh_get_sdioh(bcmsdh_info_t *sdh)
-{
-	ASSERT(sdh);
-	return sdh->sdioh;
+	return -ENODEV;
 }
 
-/* Function to pass device-status bits to DHD. */
-u32 bcmsdh_get_dstatus(void *sdh)
+int brcmf_sdio_remove(struct device *dev)
 {
+	struct sdio_hc *sdhc, *prev;
+
+	sdhc = sdhcinfo;
+	drvinfo.detach(sdhc->ch);
+	brcmf_sdcard_detach(sdhc->card);
+	/* find the SDIO Host Controller state for this pdev
+		 and take it out from the list */
+	for (sdhc = sdhcinfo, prev = NULL; sdhc; sdhc = sdhc->next) {
+		if (sdhc->dev == (void *)dev) {
+			if (prev)
+				prev->next = sdhc->next;
+			else
+				sdhcinfo = NULL;
+			break;
+		}
+		prev = sdhc;
+	}
+	if (!sdhc) {
+		SDLX_MSG(("%s: failed\n", __func__));
+		return 0;
+	}
+
+	/* release SDIO Host Controller info */
+	kfree(sdhc);
 	return 0;
 }
 
-u32 bcmsdh_cur_sbwad(void *sdh)
+int brcmf_sdio_register(struct brcmf_sdioh_driver *driver)
 {
-	bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;
+	drvinfo = *driver;
 
-	if (!bcmsdh)
-		bcmsdh = l_bcmsdh;
+	SDLX_MSG(("Linux Kernel SDIO/MMC Driver\n"));
+	return brcmf_sdio_function_init();
+}
 
-	return bcmsdh->sbwad;
+void brcmf_sdio_unregister(void)
+{
+	brcmf_sdio_function_cleanup();
 }
 
-void bcmsdh_chipinfo(void *sdh, u32 chip, u32 chiprev)
+void brcmf_sdio_wdtmr_enable(bool enable)
 {
-	return;
+	if (enable)
+		brcmf_sdbrcm_wd_timer(sdhcinfo->ch, brcmf_watchdog_ms);
+	else
+		brcmf_sdbrcm_wd_timer(sdhcinfo->ch, 0);
 }