prism54: move under intersil vendor directory

Part of reorganising wireless drivers directory and Kconfig.

Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

1 files changed, 0 insertions, 963 deletions

diff --git a/drivers/net/wireless/prism54/islpci_dev.c b/drivers/net/wireless/prism54/islpci_dev.c
deleted file mode 100644
index 931cf440ff18..000000000000
--- a/drivers/net/wireless/prism54/islpci_dev.c
+++ /dev/null
@@ -1,963 +0,0 @@
-/*
- *  Copyright (C) 2002 Intersil Americas Inc.
- *  Copyright (C) 2003 Herbert Valerio Riedel <hvr@gnu.org>
- *  Copyright (C) 2003 Luis R. Rodriguez <mcgrof@ruslug.rutgers.edu>
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-#include <linux/hardirq.h>
-#include <linux/module.h>
-#include <linux/slab.h>
-
-#include <linux/netdevice.h>
-#include <linux/ethtool.h>
-#include <linux/pci.h>
-#include <linux/sched.h>
-#include <linux/etherdevice.h>
-#include <linux/delay.h>
-#include <linux/if_arp.h>
-
-#include <asm/io.h>
-
-#include "prismcompat.h"
-#include "isl_38xx.h"
-#include "isl_ioctl.h"
-#include "islpci_dev.h"
-#include "islpci_mgt.h"
-#include "islpci_eth.h"
-#include "oid_mgt.h"
-
-#define ISL3877_IMAGE_FILE	"isl3877"
-#define ISL3886_IMAGE_FILE	"isl3886"
-#define ISL3890_IMAGE_FILE	"isl3890"
-MODULE_FIRMWARE(ISL3877_IMAGE_FILE);
-MODULE_FIRMWARE(ISL3886_IMAGE_FILE);
-MODULE_FIRMWARE(ISL3890_IMAGE_FILE);
-
-static int prism54_bring_down(islpci_private *);
-static int islpci_alloc_memory(islpci_private *);
-
-/* Temporary dummy MAC address to use until firmware is loaded.
- * The idea there is that some tools (such as nameif) may query
- * the MAC address before the netdev is 'open'. By using a valid
- * OUI prefix, they can process the netdev properly.
- * Of course, this is not the final/real MAC address. It doesn't
- * matter, as you are suppose to be able to change it anytime via
- * ndev->set_mac_address. Jean II */
-static const unsigned char	dummy_mac[6] = { 0x00, 0x30, 0xB4, 0x00, 0x00, 0x00 };
-
-static int
-isl_upload_firmware(islpci_private *priv)
-{
-	u32 reg, rc;
-	void __iomem *device_base = priv->device_base;
-
-	/* clear the RAMBoot and the Reset bit */
-	reg = readl(device_base + ISL38XX_CTRL_STAT_REG);
-	reg &= ~ISL38XX_CTRL_STAT_RESET;
-	reg &= ~ISL38XX_CTRL_STAT_RAMBOOT;
-	writel(reg, device_base + ISL38XX_CTRL_STAT_REG);
-	wmb();
-	udelay(ISL38XX_WRITEIO_DELAY);
-
-	/* set the Reset bit without reading the register ! */
-	reg |= ISL38XX_CTRL_STAT_RESET;
-	writel(reg, device_base + ISL38XX_CTRL_STAT_REG);
-	wmb();
-	udelay(ISL38XX_WRITEIO_DELAY);
-
-	/* clear the Reset bit */
-	reg &= ~ISL38XX_CTRL_STAT_RESET;
-	writel(reg, device_base + ISL38XX_CTRL_STAT_REG);
-	wmb();
-
-	/* wait a while for the device to reboot */
-	mdelay(50);
-
-	{
-		const struct firmware *fw_entry = NULL;
-		long fw_len;
-		const u32 *fw_ptr;
-
-		rc = request_firmware(&fw_entry, priv->firmware, PRISM_FW_PDEV);
-		if (rc) {
-			printk(KERN_ERR
-			       "%s: request_firmware() failed for '%s'\n",
-			       "prism54", priv->firmware);
-			return rc;
-		}
-		/* prepare the Direct Memory Base register */
-		reg = ISL38XX_DEV_FIRMWARE_ADDRES;
-
-		fw_ptr = (u32 *) fw_entry->data;
-		fw_len = fw_entry->size;
-
-		if (fw_len % 4) {
-			printk(KERN_ERR
-			       "%s: firmware '%s' size is not multiple of 32bit, aborting!\n",
-			       "prism54", priv->firmware);
-			release_firmware(fw_entry);
-			return -EILSEQ; /* Illegal byte sequence  */;
-		}
-
-		while (fw_len > 0) {
-			long _fw_len =
-			    (fw_len >
-			     ISL38XX_MEMORY_WINDOW_SIZE) ?
-			    ISL38XX_MEMORY_WINDOW_SIZE : fw_len;
-			u32 __iomem *dev_fw_ptr = device_base + ISL38XX_DIRECT_MEM_WIN;
-
-			/* set the card's base address for writing the data */
-			isl38xx_w32_flush(device_base, reg,
-					  ISL38XX_DIR_MEM_BASE_REG);
-			wmb();	/* be paranoid */
-
-			/* increment the write address for next iteration */
-			reg += _fw_len;
-			fw_len -= _fw_len;
-
-			/* write the data to the Direct Memory Window 32bit-wise */
-			/* memcpy_toio() doesn't guarantee 32bit writes :-| */
-			while (_fw_len > 0) {
-				/* use non-swapping writel() */
-				__raw_writel(*fw_ptr, dev_fw_ptr);
-				fw_ptr++, dev_fw_ptr++;
-				_fw_len -= 4;
-			}
-
-			/* flush PCI posting */
-			(void) readl(device_base + ISL38XX_PCI_POSTING_FLUSH);
-			wmb();	/* be paranoid again */
-
-			BUG_ON(_fw_len != 0);
-		}
-
-		BUG_ON(fw_len != 0);
-
-		/* Firmware version is at offset 40 (also for "newmac") */
-		printk(KERN_DEBUG "%s: firmware version: %.8s\n",
-		       priv->ndev->name, fw_entry->data + 40);
-
-		release_firmware(fw_entry);
-	}
-
-	/* now reset the device
-	 * clear the Reset & ClkRun bit, set the RAMBoot bit */
-	reg = readl(device_base + ISL38XX_CTRL_STAT_REG);
-	reg &= ~ISL38XX_CTRL_STAT_CLKRUN;
-	reg &= ~ISL38XX_CTRL_STAT_RESET;
-	reg |= ISL38XX_CTRL_STAT_RAMBOOT;
-	isl38xx_w32_flush(device_base, reg, ISL38XX_CTRL_STAT_REG);
-	wmb();
-	udelay(ISL38XX_WRITEIO_DELAY);
-
-	/* set the reset bit latches the host override and RAMBoot bits
-	 * into the device for operation when the reset bit is reset */
-	reg |= ISL38XX_CTRL_STAT_RESET;
-	writel(reg, device_base + ISL38XX_CTRL_STAT_REG);
-	/* don't do flush PCI posting here! */
-	wmb();
-	udelay(ISL38XX_WRITEIO_DELAY);
-
-	/* clear the reset bit should start the whole circus */
-	reg &= ~ISL38XX_CTRL_STAT_RESET;
-	writel(reg, device_base + ISL38XX_CTRL_STAT_REG);
-	/* don't do flush PCI posting here! */
-	wmb();
-	udelay(ISL38XX_WRITEIO_DELAY);
-
-	return 0;
-}
-
-/******************************************************************************
-    Device Interrupt Handler
-******************************************************************************/
-
-irqreturn_t
-islpci_interrupt(int irq, void *config)
-{
-	u32 reg;
-	islpci_private *priv = config;
-	struct net_device *ndev = priv->ndev;
-	void __iomem *device = priv->device_base;
-	int powerstate = ISL38XX_PSM_POWERSAVE_STATE;
-
-	/* lock the interrupt handler */
-	spin_lock(&priv->slock);
-
-	/* received an interrupt request on a shared IRQ line
-	 * first check whether the device is in sleep mode */
-	reg = readl(device + ISL38XX_CTRL_STAT_REG);
-	if (reg & ISL38XX_CTRL_STAT_SLEEPMODE)
-		/* device is in sleep mode, IRQ was generated by someone else */
-	{
-#if VERBOSE > SHOW_ERROR_MESSAGES
-		DEBUG(SHOW_TRACING, "Assuming someone else called the IRQ\n");
-#endif
-		spin_unlock(&priv->slock);
-		return IRQ_NONE;
-	}
-
-
-	/* check whether there is any source of interrupt on the device */
-	reg = readl(device + ISL38XX_INT_IDENT_REG);
-
-	/* also check the contents of the Interrupt Enable Register, because this
-	 * will filter out interrupt sources from other devices on the same irq ! */
-	reg &= readl(device + ISL38XX_INT_EN_REG);
-	reg &= ISL38XX_INT_SOURCES;
-
-	if (reg != 0) {
-		if (islpci_get_state(priv) != PRV_STATE_SLEEP)
-			powerstate = ISL38XX_PSM_ACTIVE_STATE;
-
-		/* reset the request bits in the Identification register */
-		isl38xx_w32_flush(device, reg, ISL38XX_INT_ACK_REG);
-
-#if VERBOSE > SHOW_ERROR_MESSAGES
-		DEBUG(SHOW_FUNCTION_CALLS,
-		      "IRQ: Identification register 0x%p 0x%x\n", device, reg);
-#endif
-
-		/* check for each bit in the register separately */
-		if (reg & ISL38XX_INT_IDENT_UPDATE) {
-#if VERBOSE > SHOW_ERROR_MESSAGES
-			/* Queue has been updated */
-			DEBUG(SHOW_TRACING, "IRQ: Update flag\n");
-
-			DEBUG(SHOW_QUEUE_INDEXES,
-			      "CB drv Qs: [%i][%i][%i][%i][%i][%i]\n",
-			      le32_to_cpu(priv->control_block->
-					  driver_curr_frag[0]),
-			      le32_to_cpu(priv->control_block->
-					  driver_curr_frag[1]),
-			      le32_to_cpu(priv->control_block->
-					  driver_curr_frag[2]),
-			      le32_to_cpu(priv->control_block->
-					  driver_curr_frag[3]),
-			      le32_to_cpu(priv->control_block->
-					  driver_curr_frag[4]),
-			      le32_to_cpu(priv->control_block->
-					  driver_curr_frag[5])
-			    );
-
-			DEBUG(SHOW_QUEUE_INDEXES,
-			      "CB dev Qs: [%i][%i][%i][%i][%i][%i]\n",
-			      le32_to_cpu(priv->control_block->
-					  device_curr_frag[0]),
-			      le32_to_cpu(priv->control_block->
-					  device_curr_frag[1]),
-			      le32_to_cpu(priv->control_block->
-					  device_curr_frag[2]),
-			      le32_to_cpu(priv->control_block->
-					  device_curr_frag[3]),
-			      le32_to_cpu(priv->control_block->
-					  device_curr_frag[4]),
-			      le32_to_cpu(priv->control_block->
-					  device_curr_frag[5])
-			    );
-#endif
-
-			/* cleanup the data low transmit queue */
-			islpci_eth_cleanup_transmit(priv, priv->control_block);
-
-			/* device is in active state, update the
-			 * powerstate flag if necessary */
-			powerstate = ISL38XX_PSM_ACTIVE_STATE;
-
-			/* check all three queues in priority order
-			 * call the PIMFOR receive function until the
-			 * queue is empty */
-			if (isl38xx_in_queue(priv->control_block,
-						ISL38XX_CB_RX_MGMTQ) != 0) {
-#if VERBOSE > SHOW_ERROR_MESSAGES
-				DEBUG(SHOW_TRACING,
-				      "Received frame in Management Queue\n");
-#endif
-				islpci_mgt_receive(ndev);
-
-				islpci_mgt_cleanup_transmit(ndev);
-
-				/* Refill slots in receive queue */
-				islpci_mgmt_rx_fill(ndev);
-
-				/* no need to trigger the device, next
-                                   islpci_mgt_transaction does it */
-			}
-
-			while (isl38xx_in_queue(priv->control_block,
-						ISL38XX_CB_RX_DATA_LQ) != 0) {
-#if VERBOSE > SHOW_ERROR_MESSAGES
-				DEBUG(SHOW_TRACING,
-				      "Received frame in Data Low Queue\n");
-#endif
-				islpci_eth_receive(priv);
-			}
-
-			/* check whether the data transmit queues were full */
-			if (priv->data_low_tx_full) {
-				/* check whether the transmit is not full anymore */
-				if (ISL38XX_CB_TX_QSIZE -
-				    isl38xx_in_queue(priv->control_block,
-						     ISL38XX_CB_TX_DATA_LQ) >=
-				    ISL38XX_MIN_QTHRESHOLD) {
-					/* nope, the driver is ready for more network frames */
-					netif_wake_queue(priv->ndev);
-
-					/* reset the full flag */
-					priv->data_low_tx_full = 0;
-				}
-			}
-		}
-
-		if (reg & ISL38XX_INT_IDENT_INIT) {
-			/* Device has been initialized */
-#if VERBOSE > SHOW_ERROR_MESSAGES
-			DEBUG(SHOW_TRACING,
-			      "IRQ: Init flag, device initialized\n");
-#endif
-			wake_up(&priv->reset_done);
-		}
-
-		if (reg & ISL38XX_INT_IDENT_SLEEP) {
-			/* Device intends to move to powersave state */
-#if VERBOSE > SHOW_ERROR_MESSAGES
-			DEBUG(SHOW_TRACING, "IRQ: Sleep flag\n");
-#endif
-			isl38xx_handle_sleep_request(priv->control_block,
-						     &powerstate,
-						     priv->device_base);
-		}
-
-		if (reg & ISL38XX_INT_IDENT_WAKEUP) {
-			/* Device has been woken up to active state */
-#if VERBOSE > SHOW_ERROR_MESSAGES
-			DEBUG(SHOW_TRACING, "IRQ: Wakeup flag\n");
-#endif
-
-			isl38xx_handle_wakeup(priv->control_block,
-					      &powerstate, priv->device_base);
-		}
-	} else {
-#if VERBOSE > SHOW_ERROR_MESSAGES
-		DEBUG(SHOW_TRACING, "Assuming someone else called the IRQ\n");
-#endif
-		spin_unlock(&priv->slock);
-		return IRQ_NONE;
-	}
-
-	/* sleep -> ready */
-	if (islpci_get_state(priv) == PRV_STATE_SLEEP
-	    && powerstate == ISL38XX_PSM_ACTIVE_STATE)
-		islpci_set_state(priv, PRV_STATE_READY);
-
-	/* !sleep -> sleep */
-	if (islpci_get_state(priv) != PRV_STATE_SLEEP
-	    && powerstate == ISL38XX_PSM_POWERSAVE_STATE)
-		islpci_set_state(priv, PRV_STATE_SLEEP);
-
-	/* unlock the interrupt handler */
-	spin_unlock(&priv->slock);
-
-	return IRQ_HANDLED;
-}
-
-/******************************************************************************
-    Network Interface Control & Statistical functions
-******************************************************************************/
-static int
-islpci_open(struct net_device *ndev)
-{
-	u32 rc;
-	islpci_private *priv = netdev_priv(ndev);
-
-	/* reset data structures, upload firmware and reset device */
-	rc = islpci_reset(priv,1);
-	if (rc) {
-		prism54_bring_down(priv);
-		return rc; /* Returns informative message */
-	}
-
-	netif_start_queue(ndev);
-
-	/* Turn off carrier if in STA or Ad-hoc mode. It will be turned on
-	 * once the firmware receives a trap of being associated
-	 * (GEN_OID_LINKSTATE). In other modes (AP or WDS or monitor) we
-	 * should just leave the carrier on as its expected the firmware
-	 * won't send us a trigger. */
-	if (priv->iw_mode == IW_MODE_INFRA || priv->iw_mode == IW_MODE_ADHOC)
-		netif_carrier_off(ndev);
-	else
-		netif_carrier_on(ndev);
-
-	return 0;
-}
-
-static int
-islpci_close(struct net_device *ndev)
-{
-	islpci_private *priv = netdev_priv(ndev);
-
-	printk(KERN_DEBUG "%s: islpci_close ()\n", ndev->name);
-
-	netif_stop_queue(ndev);
-
-	return prism54_bring_down(priv);
-}
-
-static int
-prism54_bring_down(islpci_private *priv)
-{
-	void __iomem *device_base = priv->device_base;
-	u32 reg;
-	/* we are going to shutdown the device */
-	islpci_set_state(priv, PRV_STATE_PREBOOT);
-
-	/* disable all device interrupts in case they weren't */
-	isl38xx_disable_interrupts(priv->device_base);
-
-	/* For safety reasons, we may want to ensure that no DMA transfer is
-	 * currently in progress by emptying the TX and RX queues. */
-
-	/* wait until interrupts have finished executing on other CPUs */
-	synchronize_irq(priv->pdev->irq);
-
-	reg = readl(device_base + ISL38XX_CTRL_STAT_REG);
-	reg &= ~(ISL38XX_CTRL_STAT_RESET | ISL38XX_CTRL_STAT_RAMBOOT);
-	writel(reg, device_base + ISL38XX_CTRL_STAT_REG);
-	wmb();
-	udelay(ISL38XX_WRITEIO_DELAY);
-
-	reg |= ISL38XX_CTRL_STAT_RESET;
-	writel(reg, device_base + ISL38XX_CTRL_STAT_REG);
-	wmb();
-	udelay(ISL38XX_WRITEIO_DELAY);
-
-	/* clear the Reset bit */
-	reg &= ~ISL38XX_CTRL_STAT_RESET;
-	writel(reg, device_base + ISL38XX_CTRL_STAT_REG);
-	wmb();
-
-	/* wait a while for the device to reset */
-	schedule_timeout_uninterruptible(msecs_to_jiffies(50));
-
-	return 0;
-}
-
-static int
-islpci_upload_fw(islpci_private *priv)
-{
-	islpci_state_t old_state;
-	u32 rc;
-
-	old_state = islpci_set_state(priv, PRV_STATE_BOOT);
-
-	printk(KERN_DEBUG "%s: uploading firmware...\n", priv->ndev->name);
-
-	rc = isl_upload_firmware(priv);
-	if (rc) {
-		/* error uploading the firmware */
-		printk(KERN_ERR "%s: could not upload firmware ('%s')\n",
-		       priv->ndev->name, priv->firmware);
-
-		islpci_set_state(priv, old_state);
-		return rc;
-	}
-
-	printk(KERN_DEBUG "%s: firmware upload complete\n",
-	       priv->ndev->name);
-
-	islpci_set_state(priv, PRV_STATE_POSTBOOT);
-
-	return 0;
-}
-
-static int
-islpci_reset_if(islpci_private *priv)
-{
-	long remaining;
-	int result = -ETIME;
-	int count;
-
-	DEFINE_WAIT(wait);
-	prepare_to_wait(&priv->reset_done, &wait, TASK_UNINTERRUPTIBLE);
-
-	/* now the last step is to reset the interface */
-	isl38xx_interface_reset(priv->device_base, priv->device_host_address);
-	islpci_set_state(priv, PRV_STATE_PREINIT);
-
-        for(count = 0; count < 2 && result; count++) {
-		/* The software reset acknowledge needs about 220 msec here.
-		 * Be conservative and wait for up to one second. */
-
-		remaining = schedule_timeout_uninterruptible(HZ);
-
-		if(remaining > 0) {
-			result = 0;
-			break;
-		}
-
-		/* If we're here it's because our IRQ hasn't yet gone through.
-		 * Retry a bit more...
-		 */
-		printk(KERN_ERR "%s: no 'reset complete' IRQ seen - retrying\n",
-			priv->ndev->name);
-	}
-
-	finish_wait(&priv->reset_done, &wait);
-
-	if (result) {
-		printk(KERN_ERR "%s: interface reset failure\n", priv->ndev->name);
-		return result;
-	}
-
-	islpci_set_state(priv, PRV_STATE_INIT);
-
-	/* Now that the device is 100% up, let's allow
-	 * for the other interrupts --
-	 * NOTE: this is not *yet* true since we've only allowed the
-	 * INIT interrupt on the IRQ line. We can perhaps poll
-	 * the IRQ line until we know for sure the reset went through */
-	isl38xx_enable_common_interrupts(priv->device_base);
-
-	down_write(&priv->mib_sem);
-	result = mgt_commit(priv);
-	if (result) {
-		printk(KERN_ERR "%s: interface reset failure\n", priv->ndev->name);
-		up_write(&priv->mib_sem);
-		return result;
-	}
-	up_write(&priv->mib_sem);
-
-	islpci_set_state(priv, PRV_STATE_READY);
-
-	printk(KERN_DEBUG "%s: interface reset complete\n", priv->ndev->name);
-	return 0;
-}
-
-int
-islpci_reset(islpci_private *priv, int reload_firmware)
-{
-	isl38xx_control_block *cb =    /* volatile not needed */
-		(isl38xx_control_block *) priv->control_block;
-	unsigned counter;
-	int rc;
-
-	if (reload_firmware)
-		islpci_set_state(priv, PRV_STATE_PREBOOT);
-	else
-		islpci_set_state(priv, PRV_STATE_POSTBOOT);
-
-	printk(KERN_DEBUG "%s: resetting device...\n", priv->ndev->name);
-
-	/* disable all device interrupts in case they weren't */
-	isl38xx_disable_interrupts(priv->device_base);
-
-	/* flush all management queues */
-	priv->index_mgmt_tx = 0;
-	priv->index_mgmt_rx = 0;
-
-	/* clear the indexes in the frame pointer */
-	for (counter = 0; counter < ISL38XX_CB_QCOUNT; counter++) {
-		cb->driver_curr_frag[counter] = cpu_to_le32(0);
-		cb->device_curr_frag[counter] = cpu_to_le32(0);
-	}
-
-	/* reset the mgmt receive queue */
-	for (counter = 0; counter < ISL38XX_CB_MGMT_QSIZE; counter++) {
-		isl38xx_fragment *frag = &cb->rx_data_mgmt[counter];
-		frag->size = cpu_to_le16(MGMT_FRAME_SIZE);
-		frag->flags = 0;
-		frag->address = cpu_to_le32(priv->mgmt_rx[counter].pci_addr);
-	}
-
-	for (counter = 0; counter < ISL38XX_CB_RX_QSIZE; counter++) {
-		cb->rx_data_low[counter].address =
-		    cpu_to_le32((u32) priv->pci_map_rx_address[counter]);
-	}
-
-	/* since the receive queues are filled with empty fragments, now we can
-	 * set the corresponding indexes in the Control Block */
-	priv->control_block->driver_curr_frag[ISL38XX_CB_RX_DATA_LQ] =
-	    cpu_to_le32(ISL38XX_CB_RX_QSIZE);
-	priv->control_block->driver_curr_frag[ISL38XX_CB_RX_MGMTQ] =
-	    cpu_to_le32(ISL38XX_CB_MGMT_QSIZE);
-
-	/* reset the remaining real index registers and full flags */
-	priv->free_data_rx = 0;
-	priv->free_data_tx = 0;
-	priv->data_low_tx_full = 0;
-
-	if (reload_firmware) { /* Should we load the firmware ? */
-	/* now that the data structures are cleaned up, upload
-	 * firmware and reset interface */
-		rc = islpci_upload_fw(priv);
-		if (rc) {
-			printk(KERN_ERR "%s: islpci_reset: failure\n",
-				priv->ndev->name);
-			return rc;
-		}
-	}
-
-	/* finally reset interface */
-	rc = islpci_reset_if(priv);
-	if (rc)
-		printk(KERN_ERR "prism54: Your card/socket may be faulty, or IRQ line too busy :(\n");
-	return rc;
-}
-
-/******************************************************************************
-    Network device configuration functions
-******************************************************************************/
-static int
-islpci_alloc_memory(islpci_private *priv)
-{
-	int counter;
-
-#if VERBOSE > SHOW_ERROR_MESSAGES
-	printk(KERN_DEBUG "islpci_alloc_memory\n");
-#endif
-
-	/* remap the PCI device base address to accessible */
-	if (!(priv->device_base =
-	      ioremap(pci_resource_start(priv->pdev, 0),
-		      ISL38XX_PCI_MEM_SIZE))) {
-		/* error in remapping the PCI device memory address range */
-		printk(KERN_ERR "PCI memory remapping failed\n");
-		return -1;
-	}
-
-	/* memory layout for consistent DMA region:
-	 *
-	 * Area 1: Control Block for the device interface
-	 * Area 2: Power Save Mode Buffer for temporary frame storage. Be aware that
-	 *         the number of supported stations in the AP determines the minimal
-	 *         size of the buffer !
-	 */
-
-	/* perform the allocation */
-	priv->driver_mem_address = pci_alloc_consistent(priv->pdev,
-							HOST_MEM_BLOCK,
-							&priv->
-							device_host_address);
-
-	if (!priv->driver_mem_address) {
-		/* error allocating the block of PCI memory */
-		printk(KERN_ERR "%s: could not allocate DMA memory, aborting!",
-		       "prism54");
-		return -1;
-	}
-
-	/* assign the Control Block to the first address of the allocated area */
-	priv->control_block =
-	    (isl38xx_control_block *) priv->driver_mem_address;
-
-	/* set the Power Save Buffer pointer directly behind the CB */
-	priv->device_psm_buffer =
-		priv->device_host_address + CONTROL_BLOCK_SIZE;
-
-	/* make sure all buffer pointers are initialized */
-	for (counter = 0; counter < ISL38XX_CB_QCOUNT; counter++) {
-		priv->control_block->driver_curr_frag[counter] = cpu_to_le32(0);
-		priv->control_block->device_curr_frag[counter] = cpu_to_le32(0);
-	}
-
-	priv->index_mgmt_rx = 0;
-	memset(priv->mgmt_rx, 0, sizeof(priv->mgmt_rx));
-	memset(priv->mgmt_tx, 0, sizeof(priv->mgmt_tx));
-
-	/* allocate rx queue for management frames */
-	if (islpci_mgmt_rx_fill(priv->ndev) < 0)
-		goto out_free;
-
-	/* now get the data rx skb's */
-	memset(priv->data_low_rx, 0, sizeof (priv->data_low_rx));
-	memset(priv->pci_map_rx_address, 0, sizeof (priv->pci_map_rx_address));
-
-	for (counter = 0; counter < ISL38XX_CB_RX_QSIZE; counter++) {
-		struct sk_buff *skb;
-
-		/* allocate an sk_buff for received data frames storage
-		 * each frame on receive size consists of 1 fragment
-		 * include any required allignment operations */
-		if (!(skb = dev_alloc_skb(MAX_FRAGMENT_SIZE_RX + 2))) {
-			/* error allocating an sk_buff structure elements */
-			printk(KERN_ERR "Error allocating skb.\n");
-			skb = NULL;
-			goto out_free;
-		}
-		skb_reserve(skb, (4 - (long) skb->data) & 0x03);
-		/* add the new allocated sk_buff to the buffer array */
-		priv->data_low_rx[counter] = skb;
-
-		/* map the allocated skb data area to pci */
-		priv->pci_map_rx_address[counter] =
-		    pci_map_single(priv->pdev, (void *) skb->data,
-				   MAX_FRAGMENT_SIZE_RX + 2,
-				   PCI_DMA_FROMDEVICE);
-		if (!priv->pci_map_rx_address[counter]) {
-			/* error mapping the buffer to device
-			   accessible memory address */
-			printk(KERN_ERR "failed to map skb DMA'able\n");
-			goto out_free;
-		}
-	}
-
-	prism54_acl_init(&priv->acl);
-	prism54_wpa_bss_ie_init(priv);
-	if (mgt_init(priv))
-		goto out_free;
-
-	return 0;
- out_free:
-	islpci_free_memory(priv);
-	return -1;
-}
-
-int
-islpci_free_memory(islpci_private *priv)
-{
-	int counter;
-
-	if (priv->device_base)
-		iounmap(priv->device_base);
-	priv->device_base = NULL;
-
-	/* free consistent DMA area... */
-	if (priv->driver_mem_address)
-		pci_free_consistent(priv->pdev, HOST_MEM_BLOCK,
-				    priv->driver_mem_address,
-				    priv->device_host_address);
-
-	/* clear some dangling pointers */
-	priv->driver_mem_address = NULL;
-	priv->device_host_address = 0;
-	priv->device_psm_buffer = 0;
-	priv->control_block = NULL;
-
-        /* clean up mgmt rx buffers */
-        for (counter = 0; counter < ISL38XX_CB_MGMT_QSIZE; counter++) {
-		struct islpci_membuf *buf = &priv->mgmt_rx[counter];
-		if (buf->pci_addr)
-			pci_unmap_single(priv->pdev, buf->pci_addr,
-					 buf->size, PCI_DMA_FROMDEVICE);
-		buf->pci_addr = 0;
-		kfree(buf->mem);
-		buf->size = 0;
-		buf->mem = NULL;
-        }
-
-	/* clean up data rx buffers */
-	for (counter = 0; counter < ISL38XX_CB_RX_QSIZE; counter++) {
-		if (priv->pci_map_rx_address[counter])
-			pci_unmap_single(priv->pdev,
-					 priv->pci_map_rx_address[counter],
-					 MAX_FRAGMENT_SIZE_RX + 2,
-					 PCI_DMA_FROMDEVICE);
-		priv->pci_map_rx_address[counter] = 0;
-
-		if (priv->data_low_rx[counter])
-			dev_kfree_skb(priv->data_low_rx[counter]);
-		priv->data_low_rx[counter] = NULL;
-	}
-
-	/* Free the access control list and the WPA list */
-	prism54_acl_clean(&priv->acl);
-	prism54_wpa_bss_ie_clean(priv);
-	mgt_clean(priv);
-
-	return 0;
-}
-
-#if 0
-static void
-islpci_set_multicast_list(struct net_device *dev)
-{
-	/* put device into promisc mode and let network layer handle it */
-}
-#endif
-
-static void islpci_ethtool_get_drvinfo(struct net_device *dev,
-                                       struct ethtool_drvinfo *info)
-{
-	strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
-	strlcpy(info->version, DRV_VERSION, sizeof(info->version));
-}
-
-static const struct ethtool_ops islpci_ethtool_ops = {
-	.get_drvinfo = islpci_ethtool_get_drvinfo,
-};
-
-static const struct net_device_ops islpci_netdev_ops = {
-	.ndo_open 		= islpci_open,
-	.ndo_stop		= islpci_close,
-	.ndo_start_xmit		= islpci_eth_transmit,
-	.ndo_tx_timeout		= islpci_eth_tx_timeout,
-	.ndo_set_mac_address 	= prism54_set_mac_address,
-	.ndo_change_mtu		= eth_change_mtu,
-	.ndo_validate_addr	= eth_validate_addr,
-};
-
-static struct device_type wlan_type = {
-	.name	= "wlan",
-};
-
-struct net_device *
-islpci_setup(struct pci_dev *pdev)
-{
-	islpci_private *priv;
-	struct net_device *ndev = alloc_etherdev(sizeof (islpci_private));
-
-	if (!ndev)
-		return ndev;
-
-	pci_set_drvdata(pdev, ndev);
-	SET_NETDEV_DEV(ndev, &pdev->dev);
-	SET_NETDEV_DEVTYPE(ndev, &wlan_type);
-
-	/* setup the structure members */
-	ndev->base_addr = pci_resource_start(pdev, 0);
-	ndev->irq = pdev->irq;
-
-	/* initialize the function pointers */
-	ndev->netdev_ops = &islpci_netdev_ops;
-	ndev->wireless_handlers = &prism54_handler_def;
-	ndev->ethtool_ops = &islpci_ethtool_ops;
-
-	/* ndev->set_multicast_list = &islpci_set_multicast_list; */
-	ndev->addr_len = ETH_ALEN;
-	/* Get a non-zero dummy MAC address for nameif. Jean II */
-	memcpy(ndev->dev_addr, dummy_mac, ETH_ALEN);
-
-	ndev->watchdog_timeo = ISLPCI_TX_TIMEOUT;
-
-	/* allocate a private device structure to the network device  */
-	priv = netdev_priv(ndev);
-	priv->ndev = ndev;
-	priv->pdev = pdev;
-	priv->monitor_type = ARPHRD_IEEE80211;
-	priv->ndev->type = (priv->iw_mode == IW_MODE_MONITOR) ?
-		priv->monitor_type : ARPHRD_ETHER;
-
-	/* Add pointers to enable iwspy support. */
-	priv->wireless_data.spy_data = &priv->spy_data;
-	ndev->wireless_data = &priv->wireless_data;
-
-	/* save the start and end address of the PCI memory area */
-	ndev->mem_start = (unsigned long) priv->device_base;
-	ndev->mem_end = ndev->mem_start + ISL38XX_PCI_MEM_SIZE;
-
-#if VERBOSE > SHOW_ERROR_MESSAGES
-	DEBUG(SHOW_TRACING, "PCI Memory remapped to 0x%p\n", priv->device_base);
-#endif
-
-	init_waitqueue_head(&priv->reset_done);
-
-	/* init the queue read locks, process wait counter */
-	mutex_init(&priv->mgmt_lock);
-	priv->mgmt_received = NULL;
-	init_waitqueue_head(&priv->mgmt_wqueue);
-	mutex_init(&priv->stats_lock);
-	spin_lock_init(&priv->slock);
-
-	/* init state machine with off#1 state */
-	priv->state = PRV_STATE_OFF;
-	priv->state_off = 1;
-
-	/* initialize workqueue's */
-	INIT_WORK(&priv->stats_work, prism54_update_stats);
-	priv->stats_timestamp = 0;
-
-	INIT_WORK(&priv->reset_task, islpci_do_reset_and_wake);
-	priv->reset_task_pending = 0;
-
-	/* allocate various memory areas */
-	if (islpci_alloc_memory(priv))
-		goto do_free_netdev;
-
-	/* select the firmware file depending on the device id */
-	switch (pdev->device) {
-	case 0x3877:
-		strcpy(priv->firmware, ISL3877_IMAGE_FILE);
-		break;
-
-	case 0x3886:
-		strcpy(priv->firmware, ISL3886_IMAGE_FILE);
-		break;
-
-	default:
-		strcpy(priv->firmware, ISL3890_IMAGE_FILE);
-		break;
-	}
-
-	if (register_netdev(ndev)) {
-		DEBUG(SHOW_ERROR_MESSAGES,
-		      "ERROR: register_netdev() failed\n");
-		goto do_islpci_free_memory;
-	}
-
-	return ndev;
-
-      do_islpci_free_memory:
-	islpci_free_memory(priv);
-      do_free_netdev:
-	free_netdev(ndev);
-	priv = NULL;
-	return NULL;
-}
-
-islpci_state_t
-islpci_set_state(islpci_private *priv, islpci_state_t new_state)
-{
-	islpci_state_t old_state;
-
-	/* lock */
-	old_state = priv->state;
-
-	/* this means either a race condition or some serious error in
-	 * the driver code */
-	switch (new_state) {
-	case PRV_STATE_OFF:
-		priv->state_off++;
-	default:
-		priv->state = new_state;
-		break;
-
-	case PRV_STATE_PREBOOT:
-		/* there are actually many off-states, enumerated by
-		 * state_off */
-		if (old_state == PRV_STATE_OFF)
-			priv->state_off--;
-
-		/* only if hw_unavailable is zero now it means we either
-		 * were in off#1 state, or came here from
-		 * somewhere else */
-		if (!priv->state_off)
-			priv->state = new_state;
-		break;
-	}
-#if 0
-	printk(KERN_DEBUG "%s: state transition %d -> %d (off#%d)\n",
-	       priv->ndev->name, old_state, new_state, priv->state_off);
-#endif
-
-	/* invariants */
-	BUG_ON(priv->state_off < 0);
-	BUG_ON(priv->state_off && (priv->state != PRV_STATE_OFF));
-	BUG_ON(!priv->state_off && (priv->state == PRV_STATE_OFF));
-
-	/* unlock */
-	return old_state;
-}