Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1242 insertions, 0 deletions

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c
new file mode 100644
index 000000000..e300278ea
--- /dev/null
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c
@@ -0,0 +1,1242 @@
+// SPDX-License-Identifier: ISC
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ */
+/* ****************** SDIO CARD Interface Functions **************************/
+
+#include <linux/types.h>
+#include <linux/netdevice.h>
+#include <linux/pci.h>
+#include <linux/pci_ids.h>
+#include <linux/sched.h>
+#include <linux/completion.h>
+#include <linux/interrupt.h>
+#include <linux/scatterlist.h>
+#include <linux/mmc/sdio.h>
+#include <linux/mmc/core.h>
+#include <linux/mmc/sdio_func.h>
+#include <linux/mmc/card.h>
+#include <linux/mmc/host.h>
+#include <linux/pm_runtime.h>
+#include <linux/suspend.h>
+#include <linux/errno.h>
+#include <linux/module.h>
+#include <linux/acpi.h>
+#include <net/cfg80211.h>
+
+#include <defs.h>
+#include <brcm_hw_ids.h>
+#include <brcmu_utils.h>
+#include <brcmu_wifi.h>
+#include <chipcommon.h>
+#include <soc.h>
+#include "chip.h"
+#include "bus.h"
+#include "debug.h"
+#include "sdio.h"
+#include "core.h"
+#include "common.h"
+
+#define SDIOH_API_ACCESS_RETRY_LIMIT	2
+
+#define DMA_ALIGN_MASK	0x03
+
+#define SDIO_FUNC1_BLOCKSIZE		64
+#define SDIO_FUNC2_BLOCKSIZE		512
+#define SDIO_4373_FUNC2_BLOCKSIZE	256
+#define SDIO_435X_FUNC2_BLOCKSIZE	256
+#define SDIO_4329_FUNC2_BLOCKSIZE	128
+/* Maximum milliseconds to wait for F2 to come up */
+#define SDIO_WAIT_F2RDY	3000
+
+#define BRCMF_DEFAULT_RXGLOM_SIZE	32  /* max rx frames in glom chain */
+
+struct brcmf_sdiod_freezer {
+	atomic_t freezing;
+	atomic_t thread_count;
+	u32 frozen_count;
+	wait_queue_head_t thread_freeze;
+	struct completion resumed;
+};
+
+static irqreturn_t brcmf_sdiod_oob_irqhandler(int irq, void *dev_id)
+{
+	struct brcmf_bus *bus_if = dev_get_drvdata(dev_id);
+	struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio;
+
+	brcmf_dbg(INTR, "OOB intr triggered\n");
+
+	/* out-of-band interrupt is level-triggered which won't
+	 * be cleared until dpc
+	 */
+	if (sdiodev->irq_en) {
+		disable_irq_nosync(irq);
+		sdiodev->irq_en = false;
+	}
+
+	brcmf_sdio_isr(sdiodev->bus, true);
+
+	return IRQ_HANDLED;
+}
+
+static void brcmf_sdiod_ib_irqhandler(struct sdio_func *func)
+{
+	struct brcmf_bus *bus_if = dev_get_drvdata(&func->dev);
+	struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio;
+
+	brcmf_dbg(INTR, "IB intr triggered\n");
+
+	brcmf_sdio_isr(sdiodev->bus, false);
+}
+
+/* dummy handler for SDIO function 2 interrupt */
+static void brcmf_sdiod_dummy_irqhandler(struct sdio_func *func)
+{
+}
+
+int brcmf_sdiod_intr_register(struct brcmf_sdio_dev *sdiodev)
+{
+	struct brcmfmac_sdio_pd *pdata;
+	int ret = 0;
+	u8 data;
+	u32 addr, gpiocontrol;
+
+	pdata = &sdiodev->settings->bus.sdio;
+	if (pdata->oob_irq_supported) {
+		brcmf_dbg(SDIO, "Enter, register OOB IRQ %d\n",
+			  pdata->oob_irq_nr);
+		spin_lock_init(&sdiodev->irq_en_lock);
+		sdiodev->irq_en = true;
+
+		ret = request_irq(pdata->oob_irq_nr, brcmf_sdiod_oob_irqhandler,
+				  pdata->oob_irq_flags, "brcmf_oob_intr",
+				  &sdiodev->func1->dev);
+		if (ret != 0) {
+			brcmf_err("request_irq failed %d\n", ret);
+			return ret;
+		}
+		sdiodev->oob_irq_requested = true;
+
+		ret = enable_irq_wake(pdata->oob_irq_nr);
+		if (ret != 0) {
+			brcmf_err("enable_irq_wake failed %d\n", ret);
+			return ret;
+		}
+		disable_irq_wake(pdata->oob_irq_nr);
+
+		sdio_claim_host(sdiodev->func1);
+
+		if (sdiodev->bus_if->chip == BRCM_CC_43362_CHIP_ID) {
+			/* assign GPIO to SDIO core */
+			addr = brcmf_chip_enum_base(sdiodev->func1->device);
+			addr = CORE_CC_REG(addr, gpiocontrol);
+			gpiocontrol = brcmf_sdiod_readl(sdiodev, addr, &ret);
+			gpiocontrol |= 0x2;
+			brcmf_sdiod_writel(sdiodev, addr, gpiocontrol, &ret);
+
+			brcmf_sdiod_writeb(sdiodev, SBSDIO_GPIO_SELECT,
+					   0xf, &ret);
+			brcmf_sdiod_writeb(sdiodev, SBSDIO_GPIO_OUT, 0, &ret);
+			brcmf_sdiod_writeb(sdiodev, SBSDIO_GPIO_EN, 0x2, &ret);
+		}
+
+		/* must configure SDIO_CCCR_IENx to enable irq */
+		data = brcmf_sdiod_func0_rb(sdiodev, SDIO_CCCR_IENx, &ret);
+		data |= SDIO_CCCR_IEN_FUNC1 | SDIO_CCCR_IEN_FUNC2 |
+			SDIO_CCCR_IEN_FUNC0;
+		brcmf_sdiod_func0_wb(sdiodev, SDIO_CCCR_IENx, data, &ret);
+
+		/* redirect, configure and enable io for interrupt signal */
+		data = SDIO_CCCR_BRCM_SEPINT_MASK | SDIO_CCCR_BRCM_SEPINT_OE;
+		if (pdata->oob_irq_flags & IRQF_TRIGGER_HIGH)
+			data |= SDIO_CCCR_BRCM_SEPINT_ACT_HI;
+		brcmf_sdiod_func0_wb(sdiodev, SDIO_CCCR_BRCM_SEPINT,
+				     data, &ret);
+		sdio_release_host(sdiodev->func1);
+	} else {
+		brcmf_dbg(SDIO, "Entering\n");
+		sdio_claim_host(sdiodev->func1);
+		sdio_claim_irq(sdiodev->func1, brcmf_sdiod_ib_irqhandler);
+		sdio_claim_irq(sdiodev->func2, brcmf_sdiod_dummy_irqhandler);
+		sdio_release_host(sdiodev->func1);
+		sdiodev->sd_irq_requested = true;
+	}
+
+	return 0;
+}
+
+void brcmf_sdiod_intr_unregister(struct brcmf_sdio_dev *sdiodev)
+{
+
+	brcmf_dbg(SDIO, "Entering oob=%d sd=%d\n",
+		  sdiodev->oob_irq_requested,
+		  sdiodev->sd_irq_requested);
+
+	if (sdiodev->oob_irq_requested) {
+		struct brcmfmac_sdio_pd *pdata;
+
+		pdata = &sdiodev->settings->bus.sdio;
+		sdio_claim_host(sdiodev->func1);
+		brcmf_sdiod_func0_wb(sdiodev, SDIO_CCCR_BRCM_SEPINT, 0, NULL);
+		brcmf_sdiod_func0_wb(sdiodev, SDIO_CCCR_IENx, 0, NULL);
+		sdio_release_host(sdiodev->func1);
+
+		sdiodev->oob_irq_requested = false;
+		free_irq(pdata->oob_irq_nr, &sdiodev->func1->dev);
+		sdiodev->irq_en = false;
+		sdiodev->oob_irq_requested = false;
+	}
+
+	if (sdiodev->sd_irq_requested) {
+		sdio_claim_host(sdiodev->func1);
+		sdio_release_irq(sdiodev->func2);
+		sdio_release_irq(sdiodev->func1);
+		sdio_release_host(sdiodev->func1);
+		sdiodev->sd_irq_requested = false;
+	}
+}
+
+void brcmf_sdiod_change_state(struct brcmf_sdio_dev *sdiodev,
+			      enum brcmf_sdiod_state state)
+{
+	if (sdiodev->state == BRCMF_SDIOD_NOMEDIUM ||
+	    state == sdiodev->state)
+		return;
+
+	brcmf_dbg(TRACE, "%d -> %d\n", sdiodev->state, state);
+	switch (sdiodev->state) {
+	case BRCMF_SDIOD_DATA:
+		/* any other state means bus interface is down */
+		brcmf_bus_change_state(sdiodev->bus_if, BRCMF_BUS_DOWN);
+		break;
+	case BRCMF_SDIOD_DOWN:
+		/* transition from DOWN to DATA means bus interface is up */
+		if (state == BRCMF_SDIOD_DATA)
+			brcmf_bus_change_state(sdiodev->bus_if, BRCMF_BUS_UP);
+		break;
+	default:
+		break;
+	}
+	sdiodev->state = state;
+}
+
+static int brcmf_sdiod_set_backplane_window(struct brcmf_sdio_dev *sdiodev,
+					    u32 addr)
+{
+	u32 v, bar0 = addr & SBSDIO_SBWINDOW_MASK;
+	int err = 0, i;
+
+	if (bar0 == sdiodev->sbwad)
+		return 0;
+
+	v = bar0 >> 8;
+
+	for (i = 0 ; i < 3 && !err ; i++, v >>= 8)
+		brcmf_sdiod_writeb(sdiodev, SBSDIO_FUNC1_SBADDRLOW + i,
+				   v & 0xff, &err);
+
+	if (!err)
+		sdiodev->sbwad = bar0;
+
+	return err;
+}
+
+u32 brcmf_sdiod_readl(struct brcmf_sdio_dev *sdiodev, u32 addr, int *ret)
+{
+	u32 data = 0;
+	int retval;
+
+	retval = brcmf_sdiod_set_backplane_window(sdiodev, addr);
+	if (retval)
+		goto out;
+
+	addr &= SBSDIO_SB_OFT_ADDR_MASK;
+	addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;
+
+	data = sdio_readl(sdiodev->func1, addr, &retval);
+
+out:
+	if (ret)
+		*ret = retval;
+
+	return data;
+}
+
+void brcmf_sdiod_writel(struct brcmf_sdio_dev *sdiodev, u32 addr,
+			u32 data, int *ret)
+{
+	int retval;
+
+	retval = brcmf_sdiod_set_backplane_window(sdiodev, addr);
+	if (retval)
+		goto out;
+
+	addr &= SBSDIO_SB_OFT_ADDR_MASK;
+	addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;
+
+	sdio_writel(sdiodev->func1, data, addr, &retval);
+
+out:
+	if (ret)
+		*ret = retval;
+}
+
+static int brcmf_sdiod_skbuff_read(struct brcmf_sdio_dev *sdiodev,
+				   struct sdio_func *func, u32 addr,
+				   struct sk_buff *skb)
+{
+	unsigned int req_sz;
+	int err;
+
+	/* Single skb use the standard mmc interface */
+	req_sz = skb->len + 3;
+	req_sz &= (uint)~3;
+
+	switch (func->num) {
+	case 1:
+		err = sdio_memcpy_fromio(func, ((u8 *)(skb->data)), addr,
+					 req_sz);
+		break;
+	case 2:
+		err = sdio_readsb(func, ((u8 *)(skb->data)), addr, req_sz);
+		break;
+	default:
+		/* bail out as things are really fishy here */
+		WARN(1, "invalid sdio function number: %d\n", func->num);
+		err = -ENOMEDIUM;
+	}
+
+	if (err == -ENOMEDIUM)
+		brcmf_sdiod_change_state(sdiodev, BRCMF_SDIOD_NOMEDIUM);
+
+	return err;
+}
+
+static int brcmf_sdiod_skbuff_write(struct brcmf_sdio_dev *sdiodev,
+				    struct sdio_func *func, u32 addr,
+				    struct sk_buff *skb)
+{
+	unsigned int req_sz;
+	int err;
+
+	/* Single skb use the standard mmc interface */
+	req_sz = skb->len + 3;
+	req_sz &= (uint)~3;
+
+	err = sdio_memcpy_toio(func, addr, ((u8 *)(skb->data)), req_sz);
+
+	if (err == -ENOMEDIUM)
+		brcmf_sdiod_change_state(sdiodev, BRCMF_SDIOD_NOMEDIUM);
+
+	return err;
+}
+
+static int mmc_submit_one(struct mmc_data *md, struct mmc_request *mr,
+			  struct mmc_command *mc, int sg_cnt, int req_sz,
+			  int func_blk_sz, u32 *addr,
+			  struct brcmf_sdio_dev *sdiodev,
+			  struct sdio_func *func, int write)
+{
+	int ret;
+
+	md->sg_len = sg_cnt;
+	md->blocks = req_sz / func_blk_sz;
+	mc->arg |= (*addr & 0x1FFFF) << 9;	/* address */
+	mc->arg |= md->blocks & 0x1FF;	/* block count */
+	/* incrementing addr for function 1 */
+	if (func->num == 1)
+		*addr += req_sz;
+
+	mmc_set_data_timeout(md, func->card);
+	mmc_wait_for_req(func->card->host, mr);
+
+	ret = mc->error ? mc->error : md->error;
+	if (ret == -ENOMEDIUM) {
+		brcmf_sdiod_change_state(sdiodev, BRCMF_SDIOD_NOMEDIUM);
+	} else if (ret != 0) {
+		brcmf_err("CMD53 sg block %s failed %d\n",
+			  write ? "write" : "read", ret);
+		ret = -EIO;
+	}
+
+	return ret;
+}
+
+/**
+ * brcmf_sdiod_sglist_rw - SDIO interface function for block data access
+ * @sdiodev: brcmfmac sdio device
+ * @func: SDIO function
+ * @write: direction flag
+ * @addr: dongle memory address as source/destination
+ * @pktlist: skb buffer head pointer
+ *
+ * This function takes the respbonsibility as the interface function to MMC
+ * stack for block data access. It assumes that the skb passed down by the
+ * caller has already been padded and aligned.
+ */
+static int brcmf_sdiod_sglist_rw(struct brcmf_sdio_dev *sdiodev,
+				 struct sdio_func *func,
+				 bool write, u32 addr,
+				 struct sk_buff_head *pktlist)
+{
+	unsigned int req_sz, func_blk_sz, sg_cnt, sg_data_sz, pkt_offset;
+	unsigned int max_req_sz, src_offset, dst_offset;
+	unsigned char *pkt_data, *orig_data, *dst_data;
+	struct sk_buff_head local_list, *target_list;
+	struct sk_buff *pkt_next = NULL, *src;
+	unsigned short max_seg_cnt;
+	struct mmc_request mmc_req;
+	struct mmc_command mmc_cmd;
+	struct mmc_data mmc_dat;
+	struct scatterlist *sgl;
+	int ret = 0;
+
+	if (!pktlist->qlen)
+		return -EINVAL;
+
+	target_list = pktlist;
+	/* for host with broken sg support, prepare a page aligned list */
+	__skb_queue_head_init(&local_list);
+	if (!write && sdiodev->settings->bus.sdio.broken_sg_support) {
+		req_sz = 0;
+		skb_queue_walk(pktlist, pkt_next)
+			req_sz += pkt_next->len;
+		req_sz = ALIGN(req_sz, func->cur_blksize);
+		while (req_sz > PAGE_SIZE) {
+			pkt_next = brcmu_pkt_buf_get_skb(PAGE_SIZE);
+			if (pkt_next == NULL) {
+				ret = -ENOMEM;
+				goto exit;
+			}
+			__skb_queue_tail(&local_list, pkt_next);
+			req_sz -= PAGE_SIZE;
+		}
+		pkt_next = brcmu_pkt_buf_get_skb(req_sz);
+		if (pkt_next == NULL) {
+			ret = -ENOMEM;
+			goto exit;
+		}
+		__skb_queue_tail(&local_list, pkt_next);
+		target_list = &local_list;
+	}
+
+	func_blk_sz = func->cur_blksize;
+	max_req_sz = sdiodev->max_request_size;
+	max_seg_cnt = min_t(unsigned short, sdiodev->max_segment_count,
+			    target_list->qlen);
+
+	memset(&mmc_req, 0, sizeof(struct mmc_request));
+	memset(&mmc_cmd, 0, sizeof(struct mmc_command));
+	memset(&mmc_dat, 0, sizeof(struct mmc_data));
+
+	mmc_dat.sg = sdiodev->sgtable.sgl;
+	mmc_dat.blksz = func_blk_sz;
+	mmc_dat.flags = write ? MMC_DATA_WRITE : MMC_DATA_READ;
+	mmc_cmd.opcode = SD_IO_RW_EXTENDED;
+	mmc_cmd.arg = write ? 1<<31 : 0;	/* write flag  */
+	mmc_cmd.arg |= (func->num & 0x7) << 28;	/* SDIO func num */
+	mmc_cmd.arg |= 1 << 27;			/* block mode */
+	/* for function 1 the addr will be incremented */
+	mmc_cmd.arg |= (func->num == 1) ? 1 << 26 : 0;
+	mmc_cmd.flags = MMC_RSP_SPI_R5 | MMC_RSP_R5 | MMC_CMD_ADTC;
+	mmc_req.cmd = &mmc_cmd;
+	mmc_req.data = &mmc_dat;
+
+	req_sz = 0;
+	sg_cnt = 0;
+	sgl = sdiodev->sgtable.sgl;
+	skb_queue_walk(target_list, pkt_next) {
+		pkt_offset = 0;
+		while (pkt_offset < pkt_next->len) {
+			pkt_data = pkt_next->data + pkt_offset;
+			sg_data_sz = pkt_next->len - pkt_offset;
+			if (sg_data_sz > sdiodev->max_segment_size)
+				sg_data_sz = sdiodev->max_segment_size;
+			if (sg_data_sz > max_req_sz - req_sz)
+				sg_data_sz = max_req_sz - req_sz;
+
+			sg_set_buf(sgl, pkt_data, sg_data_sz);
+			sg_cnt++;
+
+			sgl = sg_next(sgl);
+			req_sz += sg_data_sz;
+			pkt_offset += sg_data_sz;
+			if (req_sz >= max_req_sz || sg_cnt >= max_seg_cnt) {
+				ret = mmc_submit_one(&mmc_dat, &mmc_req, &mmc_cmd,
+						     sg_cnt, req_sz, func_blk_sz,
+						     &addr, sdiodev, func, write);
+				if (ret)
+					goto exit_queue_walk;
+				req_sz = 0;
+				sg_cnt = 0;
+				sgl = sdiodev->sgtable.sgl;
+			}
+		}
+	}
+	if (sg_cnt)
+		ret = mmc_submit_one(&mmc_dat, &mmc_req, &mmc_cmd,
+				     sg_cnt, req_sz, func_blk_sz,
+				     &addr, sdiodev, func, write);
+exit_queue_walk:
+	if (!write && sdiodev->settings->bus.sdio.broken_sg_support) {
+		src = __skb_peek(&local_list);
+		src_offset = 0;
+		skb_queue_walk(pktlist, pkt_next) {
+			dst_offset = 0;
+
+			/* This is safe because we must have enough SKB data
+			 * in the local list to cover everything in pktlist.
+			 */
+			while (1) {
+				req_sz = pkt_next->len - dst_offset;
+				if (req_sz > src->len - src_offset)
+					req_sz = src->len - src_offset;
+
+				orig_data = src->data + src_offset;
+				dst_data = pkt_next->data + dst_offset;
+				memcpy(dst_data, orig_data, req_sz);
+
+				src_offset += req_sz;
+				if (src_offset == src->len) {
+					src_offset = 0;
+					src = skb_peek_next(src, &local_list);
+				}
+				dst_offset += req_sz;
+				if (dst_offset == pkt_next->len)
+					break;
+			}
+		}
+	}
+
+exit:
+	sg_init_table(sdiodev->sgtable.sgl, sdiodev->sgtable.orig_nents);
+	while ((pkt_next = __skb_dequeue(&local_list)) != NULL)
+		brcmu_pkt_buf_free_skb(pkt_next);
+
+	return ret;
+}
+
+int brcmf_sdiod_recv_buf(struct brcmf_sdio_dev *sdiodev, u8 *buf, uint nbytes)
+{
+	struct sk_buff *mypkt;
+	int err;
+
+	mypkt = brcmu_pkt_buf_get_skb(nbytes);
+	if (!mypkt) {
+		brcmf_err("brcmu_pkt_buf_get_skb failed: len %d\n",
+			  nbytes);
+		return -EIO;
+	}
+
+	err = brcmf_sdiod_recv_pkt(sdiodev, mypkt);
+	if (!err)
+		memcpy(buf, mypkt->data, nbytes);
+
+	brcmu_pkt_buf_free_skb(mypkt);
+	return err;
+}
+
+int brcmf_sdiod_recv_pkt(struct brcmf_sdio_dev *sdiodev, struct sk_buff *pkt)
+{
+	u32 addr = sdiodev->cc_core->base;
+	int err = 0;
+
+	brcmf_dbg(SDIO, "addr = 0x%x, size = %d\n", addr, pkt->len);
+
+	err = brcmf_sdiod_set_backplane_window(sdiodev, addr);
+	if (err)
+		goto done;
+
+	addr &= SBSDIO_SB_OFT_ADDR_MASK;
+	addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;
+
+	err = brcmf_sdiod_skbuff_read(sdiodev, sdiodev->func2, addr, pkt);
+
+done:
+	return err;
+}
+
+int brcmf_sdiod_recv_chain(struct brcmf_sdio_dev *sdiodev,
+			   struct sk_buff_head *pktq, uint totlen)
+{
+	struct sk_buff *glom_skb = NULL;
+	struct sk_buff *skb;
+	u32 addr = sdiodev->cc_core->base;
+	int err = 0;
+
+	brcmf_dbg(SDIO, "addr = 0x%x, size = %d\n",
+		  addr, pktq->qlen);
+
+	err = brcmf_sdiod_set_backplane_window(sdiodev, addr);
+	if (err)
+		goto done;
+
+	addr &= SBSDIO_SB_OFT_ADDR_MASK;
+	addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;
+
+	if (pktq->qlen == 1)
+		err = brcmf_sdiod_skbuff_read(sdiodev, sdiodev->func2, addr,
+					      __skb_peek(pktq));
+	else if (!sdiodev->sg_support) {
+		glom_skb = brcmu_pkt_buf_get_skb(totlen);
+		if (!glom_skb)
+			return -ENOMEM;
+		err = brcmf_sdiod_skbuff_read(sdiodev, sdiodev->func2, addr,
+					      glom_skb);
+		if (err)
+			goto done;
+
+		skb_queue_walk(pktq, skb) {
+			memcpy(skb->data, glom_skb->data, skb->len);
+			skb_pull(glom_skb, skb->len);
+		}
+	} else
+		err = brcmf_sdiod_sglist_rw(sdiodev, sdiodev->func2, false,
+					    addr, pktq);
+
+done:
+	brcmu_pkt_buf_free_skb(glom_skb);
+	return err;
+}
+
+int brcmf_sdiod_send_buf(struct brcmf_sdio_dev *sdiodev, u8 *buf, uint nbytes)
+{
+	struct sk_buff *mypkt;
+	u32 addr = sdiodev->cc_core->base;
+	int err;
+
+	mypkt = brcmu_pkt_buf_get_skb(nbytes);
+
+	if (!mypkt) {
+		brcmf_err("brcmu_pkt_buf_get_skb failed: len %d\n",
+			  nbytes);
+		return -EIO;
+	}
+
+	memcpy(mypkt->data, buf, nbytes);
+
+	err = brcmf_sdiod_set_backplane_window(sdiodev, addr);
+	if (err)
+		goto out;
+
+	addr &= SBSDIO_SB_OFT_ADDR_MASK;
+	addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;
+
+	err = brcmf_sdiod_skbuff_write(sdiodev, sdiodev->func2, addr, mypkt);
+out:
+	brcmu_pkt_buf_free_skb(mypkt);
+
+	return err;
+}
+
+int brcmf_sdiod_send_pkt(struct brcmf_sdio_dev *sdiodev,
+			 struct sk_buff_head *pktq)
+{
+	struct sk_buff *skb;
+	u32 addr = sdiodev->cc_core->base;
+	int err;
+
+	brcmf_dbg(SDIO, "addr = 0x%x, size = %d\n", addr, pktq->qlen);
+
+	err = brcmf_sdiod_set_backplane_window(sdiodev, addr);
+	if (err)
+		return err;
+
+	addr &= SBSDIO_SB_OFT_ADDR_MASK;
+	addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;
+
+	if (pktq->qlen == 1 || !sdiodev->sg_support) {
+		skb_queue_walk(pktq, skb) {
+			err = brcmf_sdiod_skbuff_write(sdiodev, sdiodev->func2,
+						       addr, skb);
+			if (err)
+				break;
+		}
+	} else {
+		err = brcmf_sdiod_sglist_rw(sdiodev, sdiodev->func2, true,
+					    addr, pktq);
+	}
+
+	return err;
+}
+
+int
+brcmf_sdiod_ramrw(struct brcmf_sdio_dev *sdiodev, bool write, u32 address,
+		  u8 *data, uint size)
+{
+	int err = 0;
+	struct sk_buff *pkt;
+	u32 sdaddr;
+	uint dsize;
+
+	dsize = min_t(uint, SBSDIO_SB_OFT_ADDR_LIMIT, size);
+	pkt = dev_alloc_skb(dsize);
+	if (!pkt) {
+		brcmf_err("dev_alloc_skb failed: len %d\n", dsize);
+		return -EIO;
+	}
+	pkt->priority = 0;
+
+	/* Determine initial transfer parameters */
+	sdaddr = address & SBSDIO_SB_OFT_ADDR_MASK;
+	if ((sdaddr + size) & SBSDIO_SBWINDOW_MASK)
+		dsize = (SBSDIO_SB_OFT_ADDR_LIMIT - sdaddr);
+	else
+		dsize = size;
+
+	sdio_claim_host(sdiodev->func1);
+
+	/* Do the transfer(s) */
+	while (size) {
+		/* Set the backplane window to include the start address */
+		err = brcmf_sdiod_set_backplane_window(sdiodev, address);
+		if (err)
+			break;
+
+		brcmf_dbg(SDIO, "%s %d bytes at offset 0x%08x in window 0x%08x\n",
+			  write ? "write" : "read", dsize,
+			  sdaddr, address & SBSDIO_SBWINDOW_MASK);
+
+		sdaddr &= SBSDIO_SB_OFT_ADDR_MASK;
+		sdaddr |= SBSDIO_SB_ACCESS_2_4B_FLAG;
+
+		skb_put(pkt, dsize);
+
+		if (write) {
+			memcpy(pkt->data, data, dsize);
+			err = brcmf_sdiod_skbuff_write(sdiodev, sdiodev->func1,
+						       sdaddr, pkt);
+		} else {
+			err = brcmf_sdiod_skbuff_read(sdiodev, sdiodev->func1,
+						      sdaddr, pkt);
+		}
+
+		if (err) {
+			brcmf_err("membytes transfer failed\n");
+			break;
+		}
+		if (!write)
+			memcpy(data, pkt->data, dsize);
+		skb_trim(pkt, 0);
+
+		/* Adjust for next transfer (if any) */
+		size -= dsize;
+		if (size) {
+			data += dsize;
+			address += dsize;
+			sdaddr = 0;
+			dsize = min_t(uint, SBSDIO_SB_OFT_ADDR_LIMIT, size);
+		}
+	}
+
+	dev_kfree_skb(pkt);
+
+	sdio_release_host(sdiodev->func1);
+
+	return err;
+}
+
+int brcmf_sdiod_abort(struct brcmf_sdio_dev *sdiodev, struct sdio_func *func)
+{
+	brcmf_dbg(SDIO, "Enter\n");
+
+	/* Issue abort cmd52 command through F0 */
+	brcmf_sdiod_func0_wb(sdiodev, SDIO_CCCR_ABORT, func->num, NULL);
+
+	brcmf_dbg(SDIO, "Exit\n");
+	return 0;
+}
+
+void brcmf_sdiod_sgtable_alloc(struct brcmf_sdio_dev *sdiodev)
+{
+	struct sdio_func *func;
+	struct mmc_host *host;
+	uint max_blocks;
+	uint nents;
+	int err;
+
+	func = sdiodev->func2;
+	host = func->card->host;
+	sdiodev->sg_support = host->max_segs > 1;
+	max_blocks = min_t(uint, host->max_blk_count, 511u);
+	sdiodev->max_request_size = min_t(uint, host->max_req_size,
+					  max_blocks * func->cur_blksize);
+	sdiodev->max_segment_count = min_t(uint, host->max_segs,
+					   SG_MAX_SINGLE_ALLOC);
+	sdiodev->max_segment_size = host->max_seg_size;
+
+	if (!sdiodev->sg_support)
+		return;
+
+	nents = max_t(uint, BRCMF_DEFAULT_RXGLOM_SIZE,
+		      sdiodev->settings->bus.sdio.txglomsz);
+	nents += (nents >> 4) + 1;
+
+	WARN_ON(nents > sdiodev->max_segment_count);
+
+	brcmf_dbg(TRACE, "nents=%d\n", nents);
+	err = sg_alloc_table(&sdiodev->sgtable, nents, GFP_KERNEL);
+	if (err < 0) {
+		brcmf_err("allocation failed: disable scatter-gather");
+		sdiodev->sg_support = false;
+	}
+
+	sdiodev->txglomsz = sdiodev->settings->bus.sdio.txglomsz;
+}
+
+static int brcmf_sdiod_freezer_attach(struct brcmf_sdio_dev *sdiodev)
+{
+	if (!IS_ENABLED(CONFIG_PM_SLEEP))
+		return 0;
+
+	sdiodev->freezer = kzalloc(sizeof(*sdiodev->freezer), GFP_KERNEL);
+	if (!sdiodev->freezer)
+		return -ENOMEM;
+	atomic_set(&sdiodev->freezer->thread_count, 0);
+	atomic_set(&sdiodev->freezer->freezing, 0);
+	init_waitqueue_head(&sdiodev->freezer->thread_freeze);
+	init_completion(&sdiodev->freezer->resumed);
+	return 0;
+}
+
+static void brcmf_sdiod_freezer_detach(struct brcmf_sdio_dev *sdiodev)
+{
+	if (sdiodev->freezer) {
+		WARN_ON(atomic_read(&sdiodev->freezer->freezing));
+		kfree(sdiodev->freezer);
+		sdiodev->freezer = NULL;
+	}
+}
+
+static int brcmf_sdiod_freezer_on(struct brcmf_sdio_dev *sdiodev)
+{
+	atomic_t *expect = &sdiodev->freezer->thread_count;
+	int res = 0;
+
+	sdiodev->freezer->frozen_count = 0;
+	reinit_completion(&sdiodev->freezer->resumed);
+	atomic_set(&sdiodev->freezer->freezing, 1);
+	brcmf_sdio_trigger_dpc(sdiodev->bus);
+	wait_event(sdiodev->freezer->thread_freeze,
+		   atomic_read(expect) == sdiodev->freezer->frozen_count);
+	sdio_claim_host(sdiodev->func1);
+	res = brcmf_sdio_sleep(sdiodev->bus, true);
+	sdio_release_host(sdiodev->func1);
+	return res;
+}
+
+static void brcmf_sdiod_freezer_off(struct brcmf_sdio_dev *sdiodev)
+{
+	sdio_claim_host(sdiodev->func1);
+	brcmf_sdio_sleep(sdiodev->bus, false);
+	sdio_release_host(sdiodev->func1);
+	atomic_set(&sdiodev->freezer->freezing, 0);
+	complete_all(&sdiodev->freezer->resumed);
+}
+
+bool brcmf_sdiod_freezing(struct brcmf_sdio_dev *sdiodev)
+{
+	return IS_ENABLED(CONFIG_PM_SLEEP) &&
+		atomic_read(&sdiodev->freezer->freezing);
+}
+
+void brcmf_sdiod_try_freeze(struct brcmf_sdio_dev *sdiodev)
+{
+	if (!brcmf_sdiod_freezing(sdiodev))
+		return;
+	sdiodev->freezer->frozen_count++;
+	wake_up(&sdiodev->freezer->thread_freeze);
+	wait_for_completion(&sdiodev->freezer->resumed);
+}
+
+void brcmf_sdiod_freezer_count(struct brcmf_sdio_dev *sdiodev)
+{
+	if (IS_ENABLED(CONFIG_PM_SLEEP))
+		atomic_inc(&sdiodev->freezer->thread_count);
+}
+
+void brcmf_sdiod_freezer_uncount(struct brcmf_sdio_dev *sdiodev)
+{
+	if (IS_ENABLED(CONFIG_PM_SLEEP))
+		atomic_dec(&sdiodev->freezer->thread_count);
+}
+
+int brcmf_sdiod_remove(struct brcmf_sdio_dev *sdiodev)
+{
+	sdiodev->state = BRCMF_SDIOD_DOWN;
+	if (sdiodev->bus) {
+		brcmf_sdio_remove(sdiodev->bus);
+		sdiodev->bus = NULL;
+	}
+
+	brcmf_sdiod_freezer_detach(sdiodev);
+
+	/* Disable functions 2 then 1. */
+	sdio_claim_host(sdiodev->func1);
+	sdio_disable_func(sdiodev->func2);
+	sdio_disable_func(sdiodev->func1);
+	sdio_release_host(sdiodev->func1);
+
+	sg_free_table(&sdiodev->sgtable);
+	sdiodev->sbwad = 0;
+
+	pm_runtime_allow(sdiodev->func1->card->host->parent);
+	return 0;
+}
+
+static void brcmf_sdiod_host_fixup(struct mmc_host *host)
+{
+	/* runtime-pm powers off the device */
+	pm_runtime_forbid(host->parent);
+	/* avoid removal detection upon resume */
+	host->caps |= MMC_CAP_NONREMOVABLE;
+}
+
+int brcmf_sdiod_probe(struct brcmf_sdio_dev *sdiodev)
+{
+	int ret = 0;
+	unsigned int f2_blksz = SDIO_FUNC2_BLOCKSIZE;
+
+	sdio_claim_host(sdiodev->func1);
+
+	ret = sdio_set_block_size(sdiodev->func1, SDIO_FUNC1_BLOCKSIZE);
+	if (ret) {
+		brcmf_err("Failed to set F1 blocksize\n");
+		sdio_release_host(sdiodev->func1);
+		return ret;
+	}
+	switch (sdiodev->func2->device) {
+	case SDIO_DEVICE_ID_BROADCOM_CYPRESS_4373:
+		f2_blksz = SDIO_4373_FUNC2_BLOCKSIZE;
+		break;
+	case SDIO_DEVICE_ID_BROADCOM_4359:
+	case SDIO_DEVICE_ID_BROADCOM_4354:
+	case SDIO_DEVICE_ID_BROADCOM_4356:
+		f2_blksz = SDIO_435X_FUNC2_BLOCKSIZE;
+		break;
+	case SDIO_DEVICE_ID_BROADCOM_4329:
+		f2_blksz = SDIO_4329_FUNC2_BLOCKSIZE;
+		break;
+	default:
+		break;
+	}
+
+	ret = sdio_set_block_size(sdiodev->func2, f2_blksz);
+	if (ret) {
+		brcmf_err("Failed to set F2 blocksize\n");
+		sdio_release_host(sdiodev->func1);
+		return ret;
+	} else {
+		brcmf_dbg(SDIO, "set F2 blocksize to %d\n", f2_blksz);
+	}
+
+	/* increase F2 timeout */
+	sdiodev->func2->enable_timeout = SDIO_WAIT_F2RDY;
+
+	/* Enable Function 1 */
+	ret = sdio_enable_func(sdiodev->func1);
+	sdio_release_host(sdiodev->func1);
+	if (ret) {
+		brcmf_err("Failed to enable F1: err=%d\n", ret);
+		goto out;
+	}
+
+	ret = brcmf_sdiod_freezer_attach(sdiodev);
+	if (ret)
+		goto out;
+
+	/* try to attach to the target device */
+	sdiodev->bus = brcmf_sdio_probe(sdiodev);
+	if (!sdiodev->bus) {
+		ret = -ENODEV;
+		goto out;
+	}
+	brcmf_sdiod_host_fixup(sdiodev->func2->card->host);
+out:
+	if (ret)
+		brcmf_sdiod_remove(sdiodev);
+
+	return ret;
+}
+
+#define BRCMF_SDIO_DEVICE(dev_id)	\
+	{SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, dev_id)}
+
+/* devices we support, null terminated */
+static const struct sdio_device_id brcmf_sdmmc_ids[] = {
+	BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_43143),
+	BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_43241),
+	BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_4329),
+	BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_4330),
+	BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_4334),
+	BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_43340),
+	BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_43341),
+	BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_43362),
+	BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_43364),
+	BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_4335_4339),
+	BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_4339),
+	BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_43430),
+	BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_4345),
+	BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_43455),
+	BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_4354),
+	BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_4356),
+	BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_4359),
+	BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_CYPRESS_4373),
+	BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_CYPRESS_43012),
+	BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_CYPRESS_43439),
+	BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_CYPRESS_43752),
+	BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_CYPRESS_89359),
+	{ /* end: all zeroes */ }
+};
+MODULE_DEVICE_TABLE(sdio, brcmf_sdmmc_ids);
+
+
+static void brcmf_sdiod_acpi_save_power_manageable(struct brcmf_sdio_dev *sdiodev)
+{
+#if IS_ENABLED(CONFIG_ACPI)
+	struct acpi_device *adev;
+
+	adev = ACPI_COMPANION(&sdiodev->func1->dev);
+	if (adev)
+		sdiodev->func1_power_manageable = adev->flags.power_manageable;
+
+	adev = ACPI_COMPANION(&sdiodev->func2->dev);
+	if (adev)
+		sdiodev->func2_power_manageable = adev->flags.power_manageable;
+#endif
+}
+
+static void brcmf_sdiod_acpi_set_power_manageable(struct brcmf_sdio_dev *sdiodev,
+						  int enable)
+{
+#if IS_ENABLED(CONFIG_ACPI)
+	struct acpi_device *adev;
+
+	adev = ACPI_COMPANION(&sdiodev->func1->dev);
+	if (adev)
+		adev->flags.power_manageable = enable ? sdiodev->func1_power_manageable : 0;
+
+	adev = ACPI_COMPANION(&sdiodev->func2->dev);
+	if (adev)
+		adev->flags.power_manageable = enable ? sdiodev->func2_power_manageable : 0;
+#endif
+}
+
+static int brcmf_ops_sdio_probe(struct sdio_func *func,
+				const struct sdio_device_id *id)
+{
+	int err;
+	struct brcmf_sdio_dev *sdiodev;
+	struct brcmf_bus *bus_if;
+
+	brcmf_dbg(SDIO, "Enter\n");
+	brcmf_dbg(SDIO, "Class=%x\n", func->class);
+	brcmf_dbg(SDIO, "sdio vendor ID: 0x%04x\n", func->vendor);
+	brcmf_dbg(SDIO, "sdio device ID: 0x%04x\n", func->device);
+	brcmf_dbg(SDIO, "Function#: %d\n", func->num);
+
+	/* Set MMC_QUIRK_LENIENT_FN0 for this card */
+	func->card->quirks |= MMC_QUIRK_LENIENT_FN0;
+
+	/* Consume func num 1 but dont do anything with it. */
+	if (func->num == 1)
+		return 0;
+
+	/* Ignore anything but func 2 */
+	if (func->num != 2)
+		return -ENODEV;
+
+	bus_if = kzalloc(sizeof(struct brcmf_bus), GFP_KERNEL);
+	if (!bus_if)
+		return -ENOMEM;
+	sdiodev = kzalloc(sizeof(struct brcmf_sdio_dev), GFP_KERNEL);
+	if (!sdiodev) {
+		kfree(bus_if);
+		return -ENOMEM;
+	}
+
+	/* store refs to functions used. mmc_card does
+	 * not hold the F0 function pointer.
+	 */
+	sdiodev->func1 = func->card->sdio_func[0];
+	sdiodev->func2 = func;
+
+	sdiodev->bus_if = bus_if;
+	bus_if->bus_priv.sdio = sdiodev;
+	bus_if->proto_type = BRCMF_PROTO_BCDC;
+	dev_set_drvdata(&func->dev, bus_if);
+	dev_set_drvdata(&sdiodev->func1->dev, bus_if);
+	sdiodev->dev = &sdiodev->func1->dev;
+
+	brcmf_sdiod_acpi_save_power_manageable(sdiodev);
+	brcmf_sdiod_change_state(sdiodev, BRCMF_SDIOD_DOWN);
+
+	brcmf_dbg(SDIO, "F2 found, calling brcmf_sdiod_probe...\n");
+	err = brcmf_sdiod_probe(sdiodev);
+	if (err) {
+		brcmf_err("F2 error, probe failed %d...\n", err);
+		goto fail;
+	}
+
+	brcmf_dbg(SDIO, "F2 init completed...\n");
+	return 0;
+
+fail:
+	dev_set_drvdata(&func->dev, NULL);
+	dev_set_drvdata(&sdiodev->func1->dev, NULL);
+	kfree(sdiodev);
+	kfree(bus_if);
+	return err;
+}
+
+static void brcmf_ops_sdio_remove(struct sdio_func *func)
+{
+	struct brcmf_bus *bus_if;
+	struct brcmf_sdio_dev *sdiodev;
+
+	brcmf_dbg(SDIO, "Enter\n");
+	brcmf_dbg(SDIO, "sdio vendor ID: 0x%04x\n", func->vendor);
+	brcmf_dbg(SDIO, "sdio device ID: 0x%04x\n", func->device);
+	brcmf_dbg(SDIO, "Function: %d\n", func->num);
+
+	bus_if = dev_get_drvdata(&func->dev);
+	if (bus_if) {
+		sdiodev = bus_if->bus_priv.sdio;
+
+		/* start by unregistering irqs */
+		brcmf_sdiod_intr_unregister(sdiodev);
+
+		if (func->num != 1)
+			return;
+
+		/* only proceed with rest of cleanup if func 1 */
+		brcmf_sdiod_remove(sdiodev);
+
+		dev_set_drvdata(&sdiodev->func1->dev, NULL);
+		dev_set_drvdata(&sdiodev->func2->dev, NULL);
+
+		kfree(bus_if);
+		kfree(sdiodev);
+	}
+
+	brcmf_dbg(SDIO, "Exit\n");
+}
+
+void brcmf_sdio_wowl_config(struct device *dev, bool enabled)
+{
+	struct brcmf_bus *bus_if = dev_get_drvdata(dev);
+	struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio;
+	mmc_pm_flag_t pm_caps = sdio_get_host_pm_caps(sdiodev->func1);
+
+	/* Power must be preserved to be able to support WOWL. */
+	if (!(pm_caps & MMC_PM_KEEP_POWER))
+		goto notsup;
+
+	if (sdiodev->settings->bus.sdio.oob_irq_supported ||
+	    pm_caps & MMC_PM_WAKE_SDIO_IRQ) {
+		/* Stop ACPI from turning off the device when wowl is enabled */
+		brcmf_sdiod_acpi_set_power_manageable(sdiodev, !enabled);
+		sdiodev->wowl_enabled = enabled;
+		brcmf_dbg(SDIO, "Configuring WOWL, enabled=%d\n", enabled);
+		return;
+	}
+
+notsup:
+	brcmf_dbg(SDIO, "WOWL not supported\n");
+}
+
+static int brcmf_ops_sdio_suspend(struct device *dev)
+{
+	struct sdio_func *func;
+	struct brcmf_bus *bus_if;
+	struct brcmf_sdio_dev *sdiodev;
+	mmc_pm_flag_t sdio_flags;
+	int ret = 0;
+
+	func = container_of(dev, struct sdio_func, dev);
+	brcmf_dbg(SDIO, "Enter: F%d\n", func->num);
+	if (func->num != 1)
+		return 0;
+
+
+	bus_if = dev_get_drvdata(dev);
+	sdiodev = bus_if->bus_priv.sdio;
+
+	if (sdiodev->wowl_enabled) {
+		brcmf_sdiod_freezer_on(sdiodev);
+		brcmf_sdio_wd_timer(sdiodev->bus, 0);
+
+		sdio_flags = MMC_PM_KEEP_POWER;
+		if (sdiodev->settings->bus.sdio.oob_irq_supported)
+			enable_irq_wake(sdiodev->settings->bus.sdio.oob_irq_nr);
+		else
+			sdio_flags |= MMC_PM_WAKE_SDIO_IRQ;
+
+		if (sdio_set_host_pm_flags(sdiodev->func1, sdio_flags))
+			brcmf_err("Failed to set pm_flags %x\n", sdio_flags);
+
+	} else {
+		/* power will be cut so remove device, probe again in resume */
+		brcmf_sdiod_intr_unregister(sdiodev);
+		ret = brcmf_sdiod_remove(sdiodev);
+		if (ret)
+			brcmf_err("Failed to remove device on suspend\n");
+	}
+
+	return ret;
+}
+
+static int brcmf_ops_sdio_resume(struct device *dev)
+{
+	struct brcmf_bus *bus_if = dev_get_drvdata(dev);
+	struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio;
+	struct sdio_func *func = container_of(dev, struct sdio_func, dev);
+	int ret = 0;
+
+	brcmf_dbg(SDIO, "Enter: F%d\n", func->num);
+	if (func->num != 2)
+		return 0;
+
+	if (!sdiodev->wowl_enabled) {
+		/* bus was powered off and device removed, probe again */
+		ret = brcmf_sdiod_probe(sdiodev);
+		if (ret)
+			brcmf_err("Failed to probe device on resume\n");
+	} else {
+		if (sdiodev->settings->bus.sdio.oob_irq_supported)
+			disable_irq_wake(sdiodev->settings->bus.sdio.oob_irq_nr);
+
+		brcmf_sdiod_freezer_off(sdiodev);
+	}
+
+	return ret;
+}
+
+static DEFINE_SIMPLE_DEV_PM_OPS(brcmf_sdio_pm_ops,
+				brcmf_ops_sdio_suspend,
+				brcmf_ops_sdio_resume);
+
+static struct sdio_driver brcmf_sdmmc_driver = {
+	.probe = brcmf_ops_sdio_probe,
+	.remove = brcmf_ops_sdio_remove,
+	.name = KBUILD_MODNAME,
+	.id_table = brcmf_sdmmc_ids,
+	.drv = {
+		.owner = THIS_MODULE,
+		.pm = pm_sleep_ptr(&brcmf_sdio_pm_ops),
+		.coredump = brcmf_dev_coredump,
+	},
+};
+
+int brcmf_sdio_register(void)
+{
+	return sdio_register_driver(&brcmf_sdmmc_driver);
+}
+
+void brcmf_sdio_exit(void)
+{
+	brcmf_dbg(SDIO, "Enter\n");
+
+	sdio_unregister_driver(&brcmf_sdmmc_driver);
+}
+