drivers/net/wireless/hostap/hostap_cs.c - arm/linux - Git at Google

 #define PRISM2_PCCARD

 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/if.h>
 #include <linux/slab.h>
 #include <linux/wait.h>
 #include <linux/timer.h>
 #include <linux/skbuff.h>
 #include <linux/netdevice.h>
 #include <linux/workqueue.h>
 #include <linux/wireless.h>
 #include <net/iw_handler.h>

 #include <pcmcia/cs.h>
 #include <pcmcia/cistpl.h>
 #include <pcmcia/cisreg.h>
 #include <pcmcia/ds.h>

 #include <asm/io.h>

 #include "hostap_wlan.h"


 static char *dev_info = "hostap_cs";

 MODULE_AUTHOR("Jouni Malinen");
 MODULE_DESCRIPTION("Support for Intersil Prism2-based 802.11 wireless LAN "
 		   "cards (PC Card).");
 MODULE_SUPPORTED_DEVICE("Intersil Prism2-based WLAN cards (PC Card)");
 MODULE_LICENSE("GPL");


 static int ignore_cis_vcc;
 module_param(ignore_cis_vcc, int, 0444);
 MODULE_PARM_DESC(ignore_cis_vcc, "Ignore broken CIS VCC entry");


 /* struct local_info::hw_priv */
 struct hostap_cs_priv {
 	struct pcmcia_device *link;
 	int sandisk_connectplus;
 };


 #ifdef PRISM2_IO_DEBUG

 static inline void hfa384x_outb_debug(struct net_device *dev, int a, u8 v)
 {
 	struct hostap_interface *iface;
 	local_info_t *local;
 	unsigned long flags;

 	iface = netdev_priv(dev);
 	local = iface->local;
 	spin_lock_irqsave(&local->lock, flags);
 	prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTB, a, v);
 	outb(v, dev->base_addr + a);
 	spin_unlock_irqrestore(&local->lock, flags);
 }

 static inline u8 hfa384x_inb_debug(struct net_device *dev, int a)
 {
 	struct hostap_interface *iface;
 	local_info_t *local;
 	unsigned long flags;
 	u8 v;

 	iface = netdev_priv(dev);
 	local = iface->local;
 	spin_lock_irqsave(&local->lock, flags);
 	v = inb(dev->base_addr + a);
 	prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INB, a, v);
 	spin_unlock_irqrestore(&local->lock, flags);
 	return v;
 }

 static inline void hfa384x_outw_debug(struct net_device *dev, int a, u16 v)
 {
 	struct hostap_interface *iface;
 	local_info_t *local;
 	unsigned long flags;

 	iface = netdev_priv(dev);
 	local = iface->local;
 	spin_lock_irqsave(&local->lock, flags);
 	prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTW, a, v);
 	outw(v, dev->base_addr + a);
 	spin_unlock_irqrestore(&local->lock, flags);
 }

 static inline u16 hfa384x_inw_debug(struct net_device *dev, int a)
 {
 	struct hostap_interface *iface;
 	local_info_t *local;
 	unsigned long flags;
 	u16 v;

 	iface = netdev_priv(dev);
 	local = iface->local;
 	spin_lock_irqsave(&local->lock, flags);
 	v = inw(dev->base_addr + a);
 	prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INW, a, v);
 	spin_unlock_irqrestore(&local->lock, flags);
 	return v;
 }

 static inline void hfa384x_outsw_debug(struct net_device *dev, int a,
 				       u8 *buf, int wc)
 {
 	struct hostap_interface *iface;
 	local_info_t *local;
 	unsigned long flags;

 	iface = netdev_priv(dev);
 	local = iface->local;
 	spin_lock_irqsave(&local->lock, flags);
 	prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTSW, a, wc);
 	outsw(dev->base_addr + a, buf, wc);
 	spin_unlock_irqrestore(&local->lock, flags);
 }

 static inline void hfa384x_insw_debug(struct net_device *dev, int a,
 				      u8 *buf, int wc)
 {
 	struct hostap_interface *iface;
 	local_info_t *local;
 	unsigned long flags;

 	iface = netdev_priv(dev);
 	local = iface->local;
 	spin_lock_irqsave(&local->lock, flags);
 	prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INSW, a, wc);
 	insw(dev->base_addr + a, buf, wc);
 	spin_unlock_irqrestore(&local->lock, flags);
 }

 #define HFA384X_OUTB(v,a) hfa384x_outb_debug(dev, (a), (v))
 #define HFA384X_INB(a) hfa384x_inb_debug(dev, (a))
 #define HFA384X_OUTW(v,a) hfa384x_outw_debug(dev, (a), (v))
 #define HFA384X_INW(a) hfa384x_inw_debug(dev, (a))
 #define HFA384X_OUTSW(a, buf, wc) hfa384x_outsw_debug(dev, (a), (buf), (wc))
 #define HFA384X_INSW(a, buf, wc) hfa384x_insw_debug(dev, (a), (buf), (wc))

 #else /* PRISM2_IO_DEBUG */

 #define HFA384X_OUTB(v,a) outb((v), dev->base_addr + (a))
 #define HFA384X_INB(a) inb(dev->base_addr + (a))
 #define HFA384X_OUTW(v,a) outw((v), dev->base_addr + (a))
 #define HFA384X_INW(a) inw(dev->base_addr + (a))
 #define HFA384X_INSW(a, buf, wc) insw(dev->base_addr + (a), buf, wc)
 #define HFA384X_OUTSW(a, buf, wc) outsw(dev->base_addr + (a), buf, wc)

 #endif /* PRISM2_IO_DEBUG */


 static int hfa384x_from_bap(struct net_device *dev, u16 bap, void *buf,
 			    int len)
 {
 	u16 d_off;
 	u16 *pos;

 	d_off = (bap == 1) ? HFA384X_DATA1_OFF : HFA384X_DATA0_OFF;
 	pos = (u16 *) buf;

 	if (len / 2)
 		HFA384X_INSW(d_off, buf, len / 2);
 	pos += len / 2;

 	if (len & 1)
 		*((char *) pos) = HFA384X_INB(d_off);

 	return 0;
 }


 static int hfa384x_to_bap(struct net_device *dev, u16 bap, void *buf, int len)
 {
 	u16 d_off;
 	u16 *pos;

 	d_off = (bap == 1) ? HFA384X_DATA1_OFF : HFA384X_DATA0_OFF;
 	pos = (u16 *) buf;

 	if (len / 2)
 		HFA384X_OUTSW(d_off, buf, len / 2);
 	pos += len / 2;

 	if (len & 1)
 		HFA384X_OUTB(*((char *) pos), d_off);

 	return 0;
 }


 /* FIX: This might change at some point.. */
 #include "hostap_hw.c"


 static void prism2_detach(struct pcmcia_device *p_dev);
 static void prism2_release(u_long arg);
 static int prism2_config(struct pcmcia_device *link);


 static int prism2_pccard_card_present(local_info_t *local)
 {
 	struct hostap_cs_priv *hw_priv = local->hw_priv;
 	if (hw_priv != NULL && hw_priv->link != NULL && pcmcia_dev_present(hw_priv->link))
 		return 1;
 	return 0;
 }


 /*
  * SanDisk CompactFlash WLAN Flashcard - Product Manual v1.0
  * Document No. 20-10-00058, January 2004
  * http://www.sandisk.com/pdf/industrial/ProdManualCFWLANv1.0.pdf
  */
 #define SANDISK_WLAN_ACTIVATION_OFF 0x40
 #define SANDISK_HCR_OFF 0x42


 static void sandisk_set_iobase(local_info_t *local)
 {
 	int res;
 	struct hostap_cs_priv *hw_priv = local->hw_priv;

 	res = pcmcia_write_config_byte(hw_priv->link, 0x10,
 				hw_priv->link->resource[0]->start & 0x00ff);
 	if (res != 0) {
 		printk(KERN_DEBUG "Prism3 SanDisk - failed to set I/O base 0 -"
 		       " res=%d\n", res);
 	}
 	udelay(10);

 	res = pcmcia_write_config_byte(hw_priv->link, 0x12,
 				(hw_priv->link->resource[0]->start >> 8) & 0x00ff);
 	if (res != 0) {
 		printk(KERN_DEBUG "Prism3 SanDisk - failed to set I/O base 1 -"
 		       " res=%d\n", res);
 	}
 }


 static void sandisk_write_hcr(local_info_t *local, int hcr)
 {
 	struct net_device *dev = local->dev;
 	int i;

 	HFA384X_OUTB(0x80, SANDISK_WLAN_ACTIVATION_OFF);
 	udelay(50);
 	for (i = 0; i < 10; i++) {
 		HFA384X_OUTB(hcr, SANDISK_HCR_OFF);
 	}
 	udelay(55);
 	HFA384X_OUTB(0x45, SANDISK_WLAN_ACTIVATION_OFF);
 }


 static int sandisk_enable_wireless(struct net_device *dev)
 {
 	int res, ret = 0;
 	struct hostap_interface *iface = netdev_priv(dev);
 	local_info_t *local = iface->local;
 	struct hostap_cs_priv *hw_priv = local->hw_priv;

 	if (resource_size(hw_priv->link->resource[0]) < 0x42) {
 		/* Not enough ports to be SanDisk multi-function card */
 		ret = -ENODEV;
 		goto done;
 	}

 	if (hw_priv->link->manf_id != 0xd601 || hw_priv->link->card_id != 0x0101) {
 		/* No SanDisk manfid found */
 		ret = -ENODEV;
 		goto done;
 	}

 	if (hw_priv->link->socket->functions < 2) {
 		/* No multi-function links found */
 		ret = -ENODEV;
 		goto done;
 	}

 	printk(KERN_DEBUG "%s: Multi-function SanDisk ConnectPlus detected"
 	       " - using vendor-specific initialization\n", dev->name);
 	hw_priv->sandisk_connectplus = 1;

 	res = pcmcia_write_config_byte(hw_priv->link, CISREG_COR,
 				COR_SOFT_RESET);
 	if (res != 0) {
 		printk(KERN_DEBUG "%s: SanDisk - COR sreset failed (%d)\n",
 		       dev->name, res);
 		goto done;
 	}
 	mdelay(5);

 	/*
 	 * Do not enable interrupts here to avoid some bogus events. Interrupts
 	 * will be enabled during the first cor_sreset call.
 	 */
 	res = pcmcia_write_config_byte(hw_priv->link, CISREG_COR,
 				(COR_LEVEL_REQ | 0x8 | COR_ADDR_DECODE |
 					COR_FUNC_ENA));
 	if (res != 0) {
 		printk(KERN_DEBUG "%s: SanDisk - COR sreset failed (%d)\n",
 		       dev->name, res);
 		goto done;
 	}
 	mdelay(5);

 	sandisk_set_iobase(local);

 	HFA384X_OUTB(0xc5, SANDISK_WLAN_ACTIVATION_OFF);
 	udelay(10);
 	HFA384X_OUTB(0x4b, SANDISK_WLAN_ACTIVATION_OFF);
 	udelay(10);

 done:
 	return ret;
 }


 static void prism2_pccard_cor_sreset(local_info_t *local)
 {
 	int res;
 	u8 val;
 	struct hostap_cs_priv *hw_priv = local->hw_priv;

 	if (!prism2_pccard_card_present(local))
 	       return;

 	res = pcmcia_read_config_byte(hw_priv->link, CISREG_COR, &val);
 	if (res != 0) {
 		printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 1 (%d)\n",
 		       res);
 		return;
 	}
 	printk(KERN_DEBUG "prism2_pccard_cor_sreset: original COR %02x\n",
 		val);

 	val |= COR_SOFT_RESET;
 	res = pcmcia_write_config_byte(hw_priv->link, CISREG_COR, val);
 	if (res != 0) {
 		printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 2 (%d)\n",
 		       res);
 		return;
 	}

 	mdelay(hw_priv->sandisk_connectplus ? 5 : 2);

 	val &= ~COR_SOFT_RESET;
 	if (hw_priv->sandisk_connectplus)
 		val |= COR_IREQ_ENA;
 	res = pcmcia_write_config_byte(hw_priv->link, CISREG_COR, val);
 	if (res != 0) {
 		printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 3 (%d)\n",
 		       res);
 		return;
 	}

 	mdelay(hw_priv->sandisk_connectplus ? 5 : 2);

 	if (hw_priv->sandisk_connectplus)
 		sandisk_set_iobase(local);
 }


 static void prism2_pccard_genesis_reset(local_info_t *local, int hcr)
 {
 	int res;
 	u8 old_cor;
 	struct hostap_cs_priv *hw_priv = local->hw_priv;

 	if (!prism2_pccard_card_present(local))
 	       return;

 	if (hw_priv->sandisk_connectplus) {
 		sandisk_write_hcr(local, hcr);
 		return;
 	}

 	res = pcmcia_read_config_byte(hw_priv->link, CISREG_COR, &old_cor);
 	if (res != 0) {
 		printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 1 "
 		       "(%d)\n", res);
 		return;
 	}
 	printk(KERN_DEBUG "prism2_pccard_genesis_sreset: original COR %02x\n",
 		old_cor);

 	res = pcmcia_write_config_byte(hw_priv->link, CISREG_COR,
 				old_cor | COR_SOFT_RESET);
 	if (res != 0) {
 		printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 2 "
 		       "(%d)\n", res);
 		return;
 	}

 	mdelay(10);

 	/* Setup Genesis mode */
 	res = pcmcia_write_config_byte(hw_priv->link, CISREG_CCSR, hcr);
 	if (res != 0) {
 		printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 3 "
 		       "(%d)\n", res);
 		return;
 	}
 	mdelay(10);

 	res = pcmcia_write_config_byte(hw_priv->link, CISREG_COR,
 				old_cor & ~COR_SOFT_RESET);
 	if (res != 0) {
 		printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 4 "
 		       "(%d)\n", res);
 		return;
 	}

 	mdelay(10);
 }


 static struct prism2_helper_functions prism2_pccard_funcs =
 {
 	.card_present	= prism2_pccard_card_present,
 	.cor_sreset	= prism2_pccard_cor_sreset,
 	.genesis_reset	= prism2_pccard_genesis_reset,
 	.hw_type	= HOSTAP_HW_PCCARD,
 };


 /* allocate local data and register with CardServices
  * initialize dev_link structure, but do not configure the card yet */
 static int hostap_cs_probe(struct pcmcia_device *p_dev)
 {
 	int ret;

 	PDEBUG(DEBUG_HW, "%s: setting Vcc=33 (constant)\n", dev_info);
 	p_dev->conf.IntType = INT_MEMORY_AND_IO;

 	ret = prism2_config(p_dev);
 	if (ret) {
 		PDEBUG(DEBUG_EXTRA, "prism2_config() failed\n");
 	}

 	return ret;
 }


 static void prism2_detach(struct pcmcia_device *link)
 {
 	PDEBUG(DEBUG_FLOW, "prism2_detach\n");

 	prism2_release((u_long)link);

 	/* release net devices */
 	if (link->priv) {
 		struct hostap_cs_priv *hw_priv;
 		struct net_device *dev;
 		struct hostap_interface *iface;
 		dev = link->priv;
 		iface = netdev_priv(dev);
 		hw_priv = iface->local->hw_priv;
 		prism2_free_local_data(dev);
 		kfree(hw_priv);
 	}
 }


 /* run after a CARD_INSERTION event is received to configure the PCMCIA
  * socket and make the device available to the system */

 static int prism2_config_check(struct pcmcia_device *p_dev,
 			       cistpl_cftable_entry_t *cfg,
 			       cistpl_cftable_entry_t *dflt,
 			       unsigned int vcc,
 			       void *priv_data)
 {
 	if (cfg->index == 0)
 		return -ENODEV;

 	PDEBUG(DEBUG_EXTRA, "Checking CFTABLE_ENTRY 0x%02X "
 	       "(default 0x%02X)\n", cfg->index, dflt->index);

 	/* Does this card need audio output? */
 	if (cfg->flags & CISTPL_CFTABLE_AUDIO) {
 		p_dev->conf.Attributes |= CONF_ENABLE_SPKR;
 		p_dev->conf.Status = CCSR_AUDIO_ENA;
 	}

 	/* Use power settings for Vcc and Vpp if present */
 	/*  Note that the CIS values need to be rescaled */
 	if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) {
 		if (vcc != cfg->vcc.param[CISTPL_POWER_VNOM] /
 		    10000 && !ignore_cis_vcc) {
 			PDEBUG(DEBUG_EXTRA, "  Vcc mismatch - skipping"
 			       " this entry\n");
 			return -ENODEV;
 		}
 	} else if (dflt->vcc.present & (1 << CISTPL_POWER_VNOM)) {
 		if (vcc != dflt->vcc.param[CISTPL_POWER_VNOM] /
 		    10000 && !ignore_cis_vcc) {
 			PDEBUG(DEBUG_EXTRA, "  Vcc (default) mismatch "
 			       "- skipping this entry\n");
 			return -ENODEV;
 		}
 	}

 	if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM))
 		p_dev->conf.Vpp = cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000;
 	else if (dflt->vpp1.present & (1 << CISTPL_POWER_VNOM))
 		p_dev->conf.Vpp = dflt->vpp1.param[CISTPL_POWER_VNOM] / 10000;

 	/* Do we need to allocate an interrupt? */
 	p_dev->conf.Attributes |= CONF_ENABLE_IRQ;

 	/* IO window settings */
 	PDEBUG(DEBUG_EXTRA, "IO window settings: cfg->io.nwin=%d "
 	       "dflt->io.nwin=%d\n",
 	       cfg->io.nwin, dflt->io.nwin);
 	p_dev->resource[0]->end = p_dev->resource[1]->end = 0;
 	if ((cfg->io.nwin > 0) || (dflt->io.nwin > 0)) {
 		cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt->io;
 		p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH;
 		p_dev->resource[0]->flags |=
 					pcmcia_io_cfg_data_width(io->flags);
 		p_dev->io_lines = io->flags & CISTPL_IO_LINES_MASK;
 		p_dev->resource[0]->start = io->win[0].base;
 		p_dev->resource[0]->end = io->win[0].len;
 		if (io->nwin > 1) {
 			p_dev->resource[1]->flags = p_dev->resource[0]->flags;
 			p_dev->resource[1]->start = io->win[1].base;
 			p_dev->resource[1]->end = io->win[1].len;
 		}
 	}

 	/* This reserves IO space but doesn't actually enable it */
 	return pcmcia_request_io(p_dev);
 }

 static int prism2_config(struct pcmcia_device *link)
 {
 	struct net_device *dev;
 	struct hostap_interface *iface;
 	local_info_t *local;
 	int ret = 1;
 	struct hostap_cs_priv *hw_priv;
 	unsigned long flags;

 	PDEBUG(DEBUG_FLOW, "prism2_config()\n");

 	hw_priv = kzalloc(sizeof(*hw_priv), GFP_KERNEL);
 	if (hw_priv == NULL) {
 		ret = -ENOMEM;
 		goto failed;
 	}

 	/* Look for an appropriate configuration table entry in the CIS */
 	ret = pcmcia_loop_config(link, prism2_config_check, NULL);
 	if (ret) {
 		if (!ignore_cis_vcc)
 			printk(KERN_ERR "GetNextTuple(): No matching "
 			       "CIS configuration.  Maybe you need the "
 			       "ignore_cis_vcc=1 parameter.\n");
 		goto failed;
 	}

 	/* Need to allocate net_device before requesting IRQ handler */
 	dev = prism2_init_local_data(&prism2_pccard_funcs, 0,
 				     &link->dev);
 	if (dev == NULL)
 		goto failed;
 	link->priv = dev;

 	iface = netdev_priv(dev);
 	local = iface->local;
 	local->hw_priv = hw_priv;
 	hw_priv->link = link;

 	/*
 	 * Make sure the IRQ handler cannot proceed until at least
 	 * dev->base_addr is initialized.
 	 */
 	spin_lock_irqsave(&local->irq_init_lock, flags);

 	ret = pcmcia_request_irq(link, prism2_interrupt);
 	if (ret)
 		goto failed_unlock;

 	/*
 	 * This actually configures the PCMCIA socket -- setting up
 	 * the I/O windows and the interrupt mapping, and putting the
 	 * card and host interface into "Memory and IO" mode.
 	 */
 	ret = pcmcia_request_configuration(link, &link->conf);
 	if (ret)
 		goto failed_unlock;

 	dev->irq = link->irq;
 	dev->base_addr = link->resource[0]->start;

 	spin_unlock_irqrestore(&local->irq_init_lock, flags);

 	/* Finally, report what we've done */
 	printk(KERN_INFO "%s: index 0x%02x: ",
 	       dev_info, link->conf.ConfigIndex);
 	if (link->conf.Vpp)
 		printk(", Vpp %d.%d", link->conf.Vpp / 10,
 		       link->conf.Vpp % 10);
 	if (link->conf.Attributes & CONF_ENABLE_IRQ)
 		printk(", irq %d", link->irq);
 	if (link->resource[0])
 		printk(" & %pR", link->resource[0]);
 	if (link->resource[1])
 		printk(" & %pR", link->resource[1]);
 	printk("\n");

 	local->shutdown = 0;

 	sandisk_enable_wireless(dev);

 	ret = prism2_hw_config(dev, 1);
 	if (!ret)
 		ret = hostap_hw_ready(dev);

 	return ret;

  failed_unlock:
 	 spin_unlock_irqrestore(&local->irq_init_lock, flags);
  failed:
 	kfree(hw_priv);
 	prism2_release((u_long)link);
 	return ret;
 }


 static void prism2_release(u_long arg)
 {
 	struct pcmcia_device *link = (struct pcmcia_device *)arg;

 	PDEBUG(DEBUG_FLOW, "prism2_release\n");

 	if (link->priv) {
 		struct net_device *dev = link->priv;
 		struct hostap_interface *iface;

 		iface = netdev_priv(dev);
 		prism2_hw_shutdown(dev, 0);
 		iface->local->shutdown = 1;
 	}

 	pcmcia_disable_device(link);
 	PDEBUG(DEBUG_FLOW, "release - done\n");
 }

 static int hostap_cs_suspend(struct pcmcia_device *link)
 {
 	struct net_device *dev = (struct net_device *) link->priv;
 	int dev_open = 0;
 	struct hostap_interface *iface = NULL;

 	if (!dev)
 		return -ENODEV;

 	iface = netdev_priv(dev);

 	PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_SUSPEND\n", dev_info);
 	if (iface && iface->local)
 		dev_open = iface->local->num_dev_open > 0;
 	if (dev_open) {
 		netif_stop_queue(dev);
 		netif_device_detach(dev);
 	}
 	prism2_suspend(dev);

 	return 0;
 }

 static int hostap_cs_resume(struct pcmcia_device *link)
 {
 	struct net_device *dev = (struct net_device *) link->priv;
 	int dev_open = 0;
 	struct hostap_interface *iface = NULL;

 	if (!dev)
 		return -ENODEV;

 	iface = netdev_priv(dev);

 	PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_RESUME\n", dev_info);

 	if (iface && iface->local)
 		dev_open = iface->local->num_dev_open > 0;

 	prism2_hw_shutdown(dev, 1);
 	prism2_hw_config(dev, dev_open ? 0 : 1);
 	if (dev_open) {
 		netif_device_attach(dev);
 		netif_start_queue(dev);
 	}

 	return 0;
 }

 static struct pcmcia_device_id hostap_cs_ids[] = {
 	PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7100),
 	PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7300),
 	PCMCIA_DEVICE_MANF_CARD(0x0101, 0x0777),
 	PCMCIA_DEVICE_MANF_CARD(0x0126, 0x8000),
 	PCMCIA_DEVICE_MANF_CARD(0x0138, 0x0002),
 	PCMCIA_DEVICE_MANF_CARD(0x01bf, 0x3301),
 	PCMCIA_DEVICE_MANF_CARD(0x0250, 0x0002),
 	PCMCIA_DEVICE_MANF_CARD(0x026f, 0x030b),
 	PCMCIA_DEVICE_MANF_CARD(0x0274, 0x1612),
 	PCMCIA_DEVICE_MANF_CARD(0x0274, 0x1613),
 	PCMCIA_DEVICE_MANF_CARD(0x028a, 0x0002),
 	PCMCIA_DEVICE_MANF_CARD(0x02aa, 0x0002),
 	PCMCIA_DEVICE_MANF_CARD(0x02d2, 0x0001),
 	PCMCIA_DEVICE_MANF_CARD(0x50c2, 0x0001),
 	PCMCIA_DEVICE_MANF_CARD(0x50c2, 0x7300),
 /*	PCMCIA_DEVICE_MANF_CARD(0xc00f, 0x0000),    conflict with pcnet_cs */
 	PCMCIA_DEVICE_MANF_CARD(0xc250, 0x0002),
 	PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0002),
 	PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0005),
 	PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0010),
 	PCMCIA_DEVICE_MANF_CARD(0x0126, 0x0002),
 	PCMCIA_DEVICE_MANF_CARD_PROD_ID1(0xd601, 0x0005, "ADLINK 345 CF",
 					 0x2d858104),
 	PCMCIA_DEVICE_MANF_CARD_PROD_ID1(0x0156, 0x0002, "INTERSIL",
 					 0x74c5e40d),
 	PCMCIA_DEVICE_MANF_CARD_PROD_ID1(0x0156, 0x0002, "Intersil",
 					 0x4b801a17),
 	PCMCIA_MFC_DEVICE_PROD_ID12(0, "SanDisk", "ConnectPlus",
 				    0x7a954bd9, 0x74be00c6),
 	PCMCIA_DEVICE_PROD_ID123(
 		"Addtron", "AWP-100 Wireless PCMCIA", "Version 01.02",
 		0xe6ec52ce, 0x08649af2, 0x4b74baa0),
 	PCMCIA_DEVICE_PROD_ID123(
 		"D", "Link DWL-650 11Mbps WLAN Card", "Version 01.02",
 		0x71b18589, 0xb6f1b0ab, 0x4b74baa0),
 	PCMCIA_DEVICE_PROD_ID123(
 		"Instant Wireless ", " Network PC CARD", "Version 01.02",
 		0x11d901af, 0x6e9bd926, 0x4b74baa0),
 	PCMCIA_DEVICE_PROD_ID123(
 		"SMC", "SMC2632W", "Version 01.02",
 		0xc4f8b18b, 0x474a1f2a, 0x4b74baa0),
 	PCMCIA_DEVICE_PROD_ID12("BUFFALO", "WLI-CF-S11G",
 				0x2decece3, 0x82067c18),
 	PCMCIA_DEVICE_PROD_ID12("Compaq", "WL200_11Mbps_Wireless_PCI_Card",
 				0x54f7c49c, 0x15a75e5b),
 	PCMCIA_DEVICE_PROD_ID12("INTERSIL", "HFA384x/IEEE",
 				0x74c5e40d, 0xdb472a18),
 	PCMCIA_DEVICE_PROD_ID12("Linksys", "Wireless CompactFlash Card",
 				0x0733cc81, 0x0c52f395),
 	PCMCIA_DEVICE_PROD_ID12(
 		"ZoomAir 11Mbps High", "Rate wireless Networking",
 		0x273fe3db, 0x32a1eaee),
 	PCMCIA_DEVICE_PROD_ID123(
 		"Pretec", "CompactWLAN Card 802.11b", "2.5",
 		0x1cadd3e5, 0xe697636c, 0x7a5bfcf1),
 	PCMCIA_DEVICE_PROD_ID123(
 		"U.S. Robotics", "IEEE 802.11b PC-CARD", "Version 01.02",
 		0xc7b8df9d, 0x1700d087, 0x4b74baa0),
 	PCMCIA_DEVICE_PROD_ID123(
 		"Allied Telesyn", "AT-WCL452 Wireless PCMCIA Radio",
 		"Ver. 1.00",
 		0x5cd01705, 0x4271660f, 0x9d08ee12),
 	PCMCIA_DEVICE_PROD_ID123(
 		"Wireless LAN" , "11Mbps PC Card", "Version 01.02",
 		0x4b8870ff, 0x70e946d1, 0x4b74baa0),
 	PCMCIA_DEVICE_PROD_ID3("HFA3863", 0x355cb092),
 	PCMCIA_DEVICE_PROD_ID3("ISL37100P", 0x630d52b2),
 	PCMCIA_DEVICE_PROD_ID3("ISL37101P-10", 0xdd97a26b),
 	PCMCIA_DEVICE_PROD_ID3("ISL37300P", 0xc9049a39),
 	PCMCIA_DEVICE_NULL
 };
 MODULE_DEVICE_TABLE(pcmcia, hostap_cs_ids);


 static struct pcmcia_driver hostap_driver = {
 	.drv		= {
 		.name	= "hostap_cs",
 	},
 	.probe		= hostap_cs_probe,
 	.remove		= prism2_detach,
 	.owner		= THIS_MODULE,
 	.id_table	= hostap_cs_ids,
 	.suspend	= hostap_cs_suspend,
 	.resume		= hostap_cs_resume,
 };

 static int __init init_prism2_pccard(void)
 {
 	return pcmcia_register_driver(&hostap_driver);
 }

 static void __exit exit_prism2_pccard(void)
 {
 	pcmcia_unregister_driver(&hostap_driver);
 }


 module_init(init_prism2_pccard);
 module_exit(exit_prism2_pccard);
	#define PRISM2_PCCARD

	#include <linux/module.h>
	#include <linux/init.h>
	#include <linux/if.h>
	#include <linux/slab.h>
	#include <linux/wait.h>
	#include <linux/timer.h>
	#include <linux/skbuff.h>
	#include <linux/netdevice.h>
	#include <linux/workqueue.h>
	#include <linux/wireless.h>
	#include <net/iw_handler.h>

	#include <pcmcia/cs.h>
	#include <pcmcia/cistpl.h>
	#include <pcmcia/cisreg.h>
	#include <pcmcia/ds.h>

	#include <asm/io.h>

	#include "hostap_wlan.h"


	static char *dev_info = "hostap_cs";

	MODULE_AUTHOR("Jouni Malinen");
	MODULE_DESCRIPTION("Support for Intersil Prism2-based 802.11 wireless LAN "
	"cards (PC Card).");
	MODULE_SUPPORTED_DEVICE("Intersil Prism2-based WLAN cards (PC Card)");
	MODULE_LICENSE("GPL");


	static int ignore_cis_vcc;
	module_param(ignore_cis_vcc, int, 0444);
	MODULE_PARM_DESC(ignore_cis_vcc, "Ignore broken CIS VCC entry");


	/* struct local_info::hw_priv */
	struct hostap_cs_priv {
	struct pcmcia_device *link;
	int sandisk_connectplus;
	};


	#ifdef PRISM2_IO_DEBUG

	static inline void hfa384x_outb_debug(struct net_device *dev, int a, u8 v)
	{
	struct hostap_interface *iface;
	local_info_t *local;
	unsigned long flags;

	iface = netdev_priv(dev);
	local = iface->local;
	spin_lock_irqsave(&local->lock, flags);
	prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTB, a, v);
	outb(v, dev->base_addr + a);
	spin_unlock_irqrestore(&local->lock, flags);
	}

	static inline u8 hfa384x_inb_debug(struct net_device *dev, int a)
	{
	struct hostap_interface *iface;
	local_info_t *local;
	unsigned long flags;
	u8 v;

	iface = netdev_priv(dev);
	local = iface->local;
	spin_lock_irqsave(&local->lock, flags);
	v = inb(dev->base_addr + a);
	prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INB, a, v);
	spin_unlock_irqrestore(&local->lock, flags);
	return v;
	}

	static inline void hfa384x_outw_debug(struct net_device *dev, int a, u16 v)
	{
	struct hostap_interface *iface;
	local_info_t *local;
	unsigned long flags;

	iface = netdev_priv(dev);
	local = iface->local;
	spin_lock_irqsave(&local->lock, flags);
	prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTW, a, v);
	outw(v, dev->base_addr + a);
	spin_unlock_irqrestore(&local->lock, flags);
	}

	static inline u16 hfa384x_inw_debug(struct net_device *dev, int a)
	{
	struct hostap_interface *iface;
	local_info_t *local;
	unsigned long flags;
	u16 v;

	iface = netdev_priv(dev);
	local = iface->local;
	spin_lock_irqsave(&local->lock, flags);
	v = inw(dev->base_addr + a);
	prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INW, a, v);
	spin_unlock_irqrestore(&local->lock, flags);
	return v;
	}

	static inline void hfa384x_outsw_debug(struct net_device *dev, int a,
	u8 *buf, int wc)
	{
	struct hostap_interface *iface;
	local_info_t *local;
	unsigned long flags;

	iface = netdev_priv(dev);
	local = iface->local;
	spin_lock_irqsave(&local->lock, flags);
	prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTSW, a, wc);
	outsw(dev->base_addr + a, buf, wc);
	spin_unlock_irqrestore(&local->lock, flags);
	}

	static inline void hfa384x_insw_debug(struct net_device *dev, int a,
	u8 *buf, int wc)
	{
	struct hostap_interface *iface;
	local_info_t *local;
	unsigned long flags;

	iface = netdev_priv(dev);
	local = iface->local;
	spin_lock_irqsave(&local->lock, flags);
	prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INSW, a, wc);
	insw(dev->base_addr + a, buf, wc);
	spin_unlock_irqrestore(&local->lock, flags);
	}

	#define HFA384X_OUTB(v,a) hfa384x_outb_debug(dev, (a), (v))
	#define HFA384X_INB(a) hfa384x_inb_debug(dev, (a))
	#define HFA384X_OUTW(v,a) hfa384x_outw_debug(dev, (a), (v))
	#define HFA384X_INW(a) hfa384x_inw_debug(dev, (a))
	#define HFA384X_OUTSW(a, buf, wc) hfa384x_outsw_debug(dev, (a), (buf), (wc))
	#define HFA384X_INSW(a, buf, wc) hfa384x_insw_debug(dev, (a), (buf), (wc))

	#else /* PRISM2_IO_DEBUG */

	#define HFA384X_OUTB(v,a) outb((v), dev->base_addr + (a))
	#define HFA384X_INB(a) inb(dev->base_addr + (a))
	#define HFA384X_OUTW(v,a) outw((v), dev->base_addr + (a))
	#define HFA384X_INW(a) inw(dev->base_addr + (a))
	#define HFA384X_INSW(a, buf, wc) insw(dev->base_addr + (a), buf, wc)
	#define HFA384X_OUTSW(a, buf, wc) outsw(dev->base_addr + (a), buf, wc)

	#endif /* PRISM2_IO_DEBUG */


	static int hfa384x_from_bap(struct net_device dev, u16 bap, void buf,
	int len)
	{
	u16 d_off;
	u16 *pos;

	d_off = (bap == 1) ? HFA384X_DATA1_OFF : HFA384X_DATA0_OFF;
	pos = (u16 *) buf;

	if (len / 2)
	HFA384X_INSW(d_off, buf, len / 2);
	pos += len / 2;

	if (len & 1)
	((char ) pos) = HFA384X_INB(d_off);

	return 0;
	}


	static int hfa384x_to_bap(struct net_device dev, u16 bap, void buf, int len)
	{
	u16 d_off;
	u16 *pos;

	d_off = (bap == 1) ? HFA384X_DATA1_OFF : HFA384X_DATA0_OFF;
	pos = (u16 *) buf;

	if (len / 2)
	HFA384X_OUTSW(d_off, buf, len / 2);
	pos += len / 2;

	if (len & 1)
	HFA384X_OUTB(((char ) pos), d_off);

	return 0;
	}


	/* FIX: This might change at some point.. */
	#include "hostap_hw.c"



	static void prism2_detach(struct pcmcia_device *p_dev);
	static void prism2_release(u_long arg);
	static int prism2_config(struct pcmcia_device *link);


	static int prism2_pccard_card_present(local_info_t *local)
	{
	struct hostap_cs_priv *hw_priv = local->hw_priv;
	if (hw_priv != NULL && hw_priv->link != NULL && pcmcia_dev_present(hw_priv->link))
	return 1;
	return 0;
	}


	/*
	* SanDisk CompactFlash WLAN Flashcard - Product Manual v1.0
	* Document No. 20-10-00058, January 2004
	* http://www.sandisk.com/pdf/industrial/ProdManualCFWLANv1.0.pdf
	*/
	#define SANDISK_WLAN_ACTIVATION_OFF 0x40
	#define SANDISK_HCR_OFF 0x42


	static void sandisk_set_iobase(local_info_t *local)
	{
	int res;
	struct hostap_cs_priv *hw_priv = local->hw_priv;

	res = pcmcia_write_config_byte(hw_priv->link, 0x10,
	hw_priv->link->resource[0]->start & 0x00ff);
	if (res != 0) {
	printk(KERN_DEBUG "Prism3 SanDisk - failed to set I/O base 0 -"
	" res=%d\n", res);
	}
	udelay(10);

	res = pcmcia_write_config_byte(hw_priv->link, 0x12,
	(hw_priv->link->resource[0]->start >> 8) & 0x00ff);
	if (res != 0) {
	printk(KERN_DEBUG "Prism3 SanDisk - failed to set I/O base 1 -"
	" res=%d\n", res);
	}
	}


	static void sandisk_write_hcr(local_info_t *local, int hcr)
	{
	struct net_device *dev = local->dev;
	int i;

	HFA384X_OUTB(0x80, SANDISK_WLAN_ACTIVATION_OFF);
	udelay(50);
	for (i = 0; i < 10; i++) {
	HFA384X_OUTB(hcr, SANDISK_HCR_OFF);
	}
	udelay(55);
	HFA384X_OUTB(0x45, SANDISK_WLAN_ACTIVATION_OFF);
	}


	static int sandisk_enable_wireless(struct net_device *dev)
	{
	int res, ret = 0;
	struct hostap_interface *iface = netdev_priv(dev);
	local_info_t *local = iface->local;
	struct hostap_cs_priv *hw_priv = local->hw_priv;

	if (resource_size(hw_priv->link->resource[0]) < 0x42) {
	/* Not enough ports to be SanDisk multi-function card */
	ret = -ENODEV;
	goto done;
	}

	if (hw_priv->link->manf_id != 0xd601 \|\| hw_priv->link->card_id != 0x0101) {
	/* No SanDisk manfid found */
	ret = -ENODEV;
	goto done;
	}

	if (hw_priv->link->socket->functions < 2) {
	/* No multi-function links found */
	ret = -ENODEV;
	goto done;
	}

	printk(KERN_DEBUG "%s: Multi-function SanDisk ConnectPlus detected"
	" - using vendor-specific initialization\n", dev->name);
	hw_priv->sandisk_connectplus = 1;

	res = pcmcia_write_config_byte(hw_priv->link, CISREG_COR,
	COR_SOFT_RESET);
	if (res != 0) {
	printk(KERN_DEBUG "%s: SanDisk - COR sreset failed (%d)\n",
	dev->name, res);
	goto done;
	}
	mdelay(5);

	/*
	* Do not enable interrupts here to avoid some bogus events. Interrupts
	* will be enabled during the first cor_sreset call.
	*/
	res = pcmcia_write_config_byte(hw_priv->link, CISREG_COR,
	(COR_LEVEL_REQ \| 0x8 \| COR_ADDR_DECODE \|
	COR_FUNC_ENA));
	if (res != 0) {
	printk(KERN_DEBUG "%s: SanDisk - COR sreset failed (%d)\n",
	dev->name, res);
	goto done;
	}
	mdelay(5);

	sandisk_set_iobase(local);

	HFA384X_OUTB(0xc5, SANDISK_WLAN_ACTIVATION_OFF);
	udelay(10);
	HFA384X_OUTB(0x4b, SANDISK_WLAN_ACTIVATION_OFF);
	udelay(10);

	done:
	return ret;
	}


	static void prism2_pccard_cor_sreset(local_info_t *local)
	{
	int res;
	u8 val;
	struct hostap_cs_priv *hw_priv = local->hw_priv;

	if (!prism2_pccard_card_present(local))
	return;

	res = pcmcia_read_config_byte(hw_priv->link, CISREG_COR, &val);
	if (res != 0) {
	printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 1 (%d)\n",
	res);
	return;
	}
	printk(KERN_DEBUG "prism2_pccard_cor_sreset: original COR %02x\n",
	val);

	val \|= COR_SOFT_RESET;
	res = pcmcia_write_config_byte(hw_priv->link, CISREG_COR, val);
	if (res != 0) {
	printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 2 (%d)\n",
	res);
	return;
	}

	mdelay(hw_priv->sandisk_connectplus ? 5 : 2);

	val &= ~COR_SOFT_RESET;
	if (hw_priv->sandisk_connectplus)
	val \|= COR_IREQ_ENA;
	res = pcmcia_write_config_byte(hw_priv->link, CISREG_COR, val);
	if (res != 0) {
	printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 3 (%d)\n",
	res);
	return;
	}

	mdelay(hw_priv->sandisk_connectplus ? 5 : 2);

	if (hw_priv->sandisk_connectplus)
	sandisk_set_iobase(local);
	}


	static void prism2_pccard_genesis_reset(local_info_t *local, int hcr)
	{
	int res;
	u8 old_cor;
	struct hostap_cs_priv *hw_priv = local->hw_priv;

	if (!prism2_pccard_card_present(local))
	return;

	if (hw_priv->sandisk_connectplus) {
	sandisk_write_hcr(local, hcr);
	return;
	}

	res = pcmcia_read_config_byte(hw_priv->link, CISREG_COR, &old_cor);
	if (res != 0) {
	printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 1 "
	"(%d)\n", res);
	return;
	}
	printk(KERN_DEBUG "prism2_pccard_genesis_sreset: original COR %02x\n",
	old_cor);

	res = pcmcia_write_config_byte(hw_priv->link, CISREG_COR,
	old_cor \| COR_SOFT_RESET);
	if (res != 0) {
	printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 2 "
	"(%d)\n", res);
	return;
	}

	mdelay(10);

	/* Setup Genesis mode */
	res = pcmcia_write_config_byte(hw_priv->link, CISREG_CCSR, hcr);
	if (res != 0) {
	printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 3 "
	"(%d)\n", res);
	return;
	}
	mdelay(10);

	res = pcmcia_write_config_byte(hw_priv->link, CISREG_COR,
	old_cor & ~COR_SOFT_RESET);
	if (res != 0) {
	printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 4 "
	"(%d)\n", res);
	return;
	}

	mdelay(10);
	}


	static struct prism2_helper_functions prism2_pccard_funcs =
	{
	.card_present = prism2_pccard_card_present,
	.cor_sreset = prism2_pccard_cor_sreset,
	.genesis_reset = prism2_pccard_genesis_reset,
	.hw_type = HOSTAP_HW_PCCARD,
	};


	/* allocate local data and register with CardServices
	* initialize dev_link structure, but do not configure the card yet */
	static int hostap_cs_probe(struct pcmcia_device *p_dev)
	{
	int ret;

	PDEBUG(DEBUG_HW, "%s: setting Vcc=33 (constant)\n", dev_info);
	p_dev->conf.IntType = INT_MEMORY_AND_IO;

	ret = prism2_config(p_dev);
	if (ret) {
	PDEBUG(DEBUG_EXTRA, "prism2_config() failed\n");
	}

	return ret;
	}


	static void prism2_detach(struct pcmcia_device *link)
	{
	PDEBUG(DEBUG_FLOW, "prism2_detach\n");

	prism2_release((u_long)link);

	/* release net devices */
	if (link->priv) {
	struct hostap_cs_priv *hw_priv;
	struct net_device *dev;
	struct hostap_interface *iface;
	dev = link->priv;
	iface = netdev_priv(dev);
	hw_priv = iface->local->hw_priv;
	prism2_free_local_data(dev);
	kfree(hw_priv);
	}
	}


	/* run after a CARD_INSERTION event is received to configure the PCMCIA
	* socket and make the device available to the system */

	static int prism2_config_check(struct pcmcia_device *p_dev,
	cistpl_cftable_entry_t *cfg,
	cistpl_cftable_entry_t *dflt,
	unsigned int vcc,
	void *priv_data)
	{
	if (cfg->index == 0)
	return -ENODEV;

	PDEBUG(DEBUG_EXTRA, "Checking CFTABLE_ENTRY 0x%02X "
	"(default 0x%02X)\n", cfg->index, dflt->index);

	/* Does this card need audio output? */
	if (cfg->flags & CISTPL_CFTABLE_AUDIO) {
	p_dev->conf.Attributes \|= CONF_ENABLE_SPKR;
	p_dev->conf.Status = CCSR_AUDIO_ENA;
	}

	/* Use power settings for Vcc and Vpp if present */
	/* Note that the CIS values need to be rescaled */
	if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) {
	if (vcc != cfg->vcc.param[CISTPL_POWER_VNOM] /
	10000 && !ignore_cis_vcc) {
	PDEBUG(DEBUG_EXTRA, " Vcc mismatch - skipping"
	" this entry\n");
	return -ENODEV;
	}
	} else if (dflt->vcc.present & (1 << CISTPL_POWER_VNOM)) {
	if (vcc != dflt->vcc.param[CISTPL_POWER_VNOM] /
	10000 && !ignore_cis_vcc) {
	PDEBUG(DEBUG_EXTRA, " Vcc (default) mismatch "
	"- skipping this entry\n");
	return -ENODEV;
	}
	}

	if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM))
	p_dev->conf.Vpp = cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000;
	else if (dflt->vpp1.present & (1 << CISTPL_POWER_VNOM))
	p_dev->conf.Vpp = dflt->vpp1.param[CISTPL_POWER_VNOM] / 10000;

	/* Do we need to allocate an interrupt? */
	p_dev->conf.Attributes \|= CONF_ENABLE_IRQ;

	/* IO window settings */
	PDEBUG(DEBUG_EXTRA, "IO window settings: cfg->io.nwin=%d "
	"dflt->io.nwin=%d\n",
	cfg->io.nwin, dflt->io.nwin);
	p_dev->resource[0]->end = p_dev->resource[1]->end = 0;
	if ((cfg->io.nwin > 0) \|\| (dflt->io.nwin > 0)) {
	cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt->io;
	p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH;
	p_dev->resource[0]->flags \|=
	pcmcia_io_cfg_data_width(io->flags);
	p_dev->io_lines = io->flags & CISTPL_IO_LINES_MASK;
	p_dev->resource[0]->start = io->win[0].base;
	p_dev->resource[0]->end = io->win[0].len;
	if (io->nwin > 1) {
	p_dev->resource[1]->flags = p_dev->resource[0]->flags;
	p_dev->resource[1]->start = io->win[1].base;
	p_dev->resource[1]->end = io->win[1].len;
	}
	}

	/* This reserves IO space but doesn't actually enable it */
	return pcmcia_request_io(p_dev);
	}

	static int prism2_config(struct pcmcia_device *link)
	{
	struct net_device *dev;
	struct hostap_interface *iface;
	local_info_t *local;
	int ret = 1;
	struct hostap_cs_priv *hw_priv;
	unsigned long flags;

	PDEBUG(DEBUG_FLOW, "prism2_config()\n");

	hw_priv = kzalloc(sizeof(*hw_priv), GFP_KERNEL);
	if (hw_priv == NULL) {
	ret = -ENOMEM;
	goto failed;
	}

	/* Look for an appropriate configuration table entry in the CIS */
	ret = pcmcia_loop_config(link, prism2_config_check, NULL);
	if (ret) {
	if (!ignore_cis_vcc)
	printk(KERN_ERR "GetNextTuple(): No matching "
	"CIS configuration. Maybe you need the "
	"ignore_cis_vcc=1 parameter.\n");
	goto failed;
	}

	/* Need to allocate net_device before requesting IRQ handler */
	dev = prism2_init_local_data(&prism2_pccard_funcs, 0,
	&link->dev);
	if (dev == NULL)
	goto failed;
	link->priv = dev;

	iface = netdev_priv(dev);
	local = iface->local;
	local->hw_priv = hw_priv;
	hw_priv->link = link;

	/*
	* Make sure the IRQ handler cannot proceed until at least
	* dev->base_addr is initialized.
	*/
	spin_lock_irqsave(&local->irq_init_lock, flags);

	ret = pcmcia_request_irq(link, prism2_interrupt);
	if (ret)
	goto failed_unlock;

	/*
	* This actually configures the PCMCIA socket -- setting up
	* the I/O windows and the interrupt mapping, and putting the
	* card and host interface into "Memory and IO" mode.
	*/
	ret = pcmcia_request_configuration(link, &link->conf);
	if (ret)
	goto failed_unlock;

	dev->irq = link->irq;
	dev->base_addr = link->resource[0]->start;

	spin_unlock_irqrestore(&local->irq_init_lock, flags);

	/* Finally, report what we've done */
	printk(KERN_INFO "%s: index 0x%02x: ",
	dev_info, link->conf.ConfigIndex);
	if (link->conf.Vpp)
	printk(", Vpp %d.%d", link->conf.Vpp / 10,
	link->conf.Vpp % 10);
	if (link->conf.Attributes & CONF_ENABLE_IRQ)
	printk(", irq %d", link->irq);
	if (link->resource[0])
	printk(" & %pR", link->resource[0]);
	if (link->resource[1])
	printk(" & %pR", link->resource[1]);
	printk("\n");

	local->shutdown = 0;

	sandisk_enable_wireless(dev);

	ret = prism2_hw_config(dev, 1);
	if (!ret)
	ret = hostap_hw_ready(dev);

	return ret;

	failed_unlock:
	spin_unlock_irqrestore(&local->irq_init_lock, flags);
	failed:
	kfree(hw_priv);
	prism2_release((u_long)link);
	return ret;
	}


	static void prism2_release(u_long arg)
	{
	struct pcmcia_device link = (struct pcmcia_device )arg;

	PDEBUG(DEBUG_FLOW, "prism2_release\n");

	if (link->priv) {
	struct net_device *dev = link->priv;
	struct hostap_interface *iface;

	iface = netdev_priv(dev);
	prism2_hw_shutdown(dev, 0);
	iface->local->shutdown = 1;
	}

	pcmcia_disable_device(link);
	PDEBUG(DEBUG_FLOW, "release - done\n");
	}

	static int hostap_cs_suspend(struct pcmcia_device *link)
	{
	struct net_device dev = (struct net_device ) link->priv;
	int dev_open = 0;
	struct hostap_interface *iface = NULL;

	if (!dev)
	return -ENODEV;

	iface = netdev_priv(dev);

	PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_SUSPEND\n", dev_info);
	if (iface && iface->local)
	dev_open = iface->local->num_dev_open > 0;
	if (dev_open) {
	netif_stop_queue(dev);
	netif_device_detach(dev);
	}
	prism2_suspend(dev);

	return 0;
	}

	static int hostap_cs_resume(struct pcmcia_device *link)
	{
	struct net_device dev = (struct net_device ) link->priv;
	int dev_open = 0;
	struct hostap_interface *iface = NULL;

	if (!dev)
	return -ENODEV;

	iface = netdev_priv(dev);

	PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_RESUME\n", dev_info);

	if (iface && iface->local)
	dev_open = iface->local->num_dev_open > 0;

	prism2_hw_shutdown(dev, 1);
	prism2_hw_config(dev, dev_open ? 0 : 1);
	if (dev_open) {
	netif_device_attach(dev);
	netif_start_queue(dev);
	}

	return 0;
	}

	static struct pcmcia_device_id hostap_cs_ids[] = {
	PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7100),
	PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7300),
	PCMCIA_DEVICE_MANF_CARD(0x0101, 0x0777),
	PCMCIA_DEVICE_MANF_CARD(0x0126, 0x8000),
	PCMCIA_DEVICE_MANF_CARD(0x0138, 0x0002),
	PCMCIA_DEVICE_MANF_CARD(0x01bf, 0x3301),
	PCMCIA_DEVICE_MANF_CARD(0x0250, 0x0002),
	PCMCIA_DEVICE_MANF_CARD(0x026f, 0x030b),
	PCMCIA_DEVICE_MANF_CARD(0x0274, 0x1612),
	PCMCIA_DEVICE_MANF_CARD(0x0274, 0x1613),
	PCMCIA_DEVICE_MANF_CARD(0x028a, 0x0002),
	PCMCIA_DEVICE_MANF_CARD(0x02aa, 0x0002),
	PCMCIA_DEVICE_MANF_CARD(0x02d2, 0x0001),
	PCMCIA_DEVICE_MANF_CARD(0x50c2, 0x0001),
	PCMCIA_DEVICE_MANF_CARD(0x50c2, 0x7300),
	/* PCMCIA_DEVICE_MANF_CARD(0xc00f, 0x0000), conflict with pcnet_cs */
	PCMCIA_DEVICE_MANF_CARD(0xc250, 0x0002),
	PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0002),
	PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0005),
	PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0010),
	PCMCIA_DEVICE_MANF_CARD(0x0126, 0x0002),
	PCMCIA_DEVICE_MANF_CARD_PROD_ID1(0xd601, 0x0005, "ADLINK 345 CF",
	0x2d858104),
	PCMCIA_DEVICE_MANF_CARD_PROD_ID1(0x0156, 0x0002, "INTERSIL",
	0x74c5e40d),
	PCMCIA_DEVICE_MANF_CARD_PROD_ID1(0x0156, 0x0002, "Intersil",
	0x4b801a17),
	PCMCIA_MFC_DEVICE_PROD_ID12(0, "SanDisk", "ConnectPlus",
	0x7a954bd9, 0x74be00c6),
	PCMCIA_DEVICE_PROD_ID123(
	"Addtron", "AWP-100 Wireless PCMCIA", "Version 01.02",
	0xe6ec52ce, 0x08649af2, 0x4b74baa0),
	PCMCIA_DEVICE_PROD_ID123(
	"D", "Link DWL-650 11Mbps WLAN Card", "Version 01.02",
	0x71b18589, 0xb6f1b0ab, 0x4b74baa0),
	PCMCIA_DEVICE_PROD_ID123(
	"Instant Wireless ", " Network PC CARD", "Version 01.02",
	0x11d901af, 0x6e9bd926, 0x4b74baa0),
	PCMCIA_DEVICE_PROD_ID123(
	"SMC", "SMC2632W", "Version 01.02",
	0xc4f8b18b, 0x474a1f2a, 0x4b74baa0),
	PCMCIA_DEVICE_PROD_ID12("BUFFALO", "WLI-CF-S11G",
	0x2decece3, 0x82067c18),
	PCMCIA_DEVICE_PROD_ID12("Compaq", "WL200_11Mbps_Wireless_PCI_Card",
	0x54f7c49c, 0x15a75e5b),
	PCMCIA_DEVICE_PROD_ID12("INTERSIL", "HFA384x/IEEE",
	0x74c5e40d, 0xdb472a18),
	PCMCIA_DEVICE_PROD_ID12("Linksys", "Wireless CompactFlash Card",
	0x0733cc81, 0x0c52f395),
	PCMCIA_DEVICE_PROD_ID12(
	"ZoomAir 11Mbps High", "Rate wireless Networking",
	0x273fe3db, 0x32a1eaee),
	PCMCIA_DEVICE_PROD_ID123(
	"Pretec", "CompactWLAN Card 802.11b", "2.5",
	0x1cadd3e5, 0xe697636c, 0x7a5bfcf1),
	PCMCIA_DEVICE_PROD_ID123(
	"U.S. Robotics", "IEEE 802.11b PC-CARD", "Version 01.02",
	0xc7b8df9d, 0x1700d087, 0x4b74baa0),
	PCMCIA_DEVICE_PROD_ID123(
	"Allied Telesyn", "AT-WCL452 Wireless PCMCIA Radio",
	"Ver. 1.00",
	0x5cd01705, 0x4271660f, 0x9d08ee12),
	PCMCIA_DEVICE_PROD_ID123(
	"Wireless LAN" , "11Mbps PC Card", "Version 01.02",
	0x4b8870ff, 0x70e946d1, 0x4b74baa0),
	PCMCIA_DEVICE_PROD_ID3("HFA3863", 0x355cb092),
	PCMCIA_DEVICE_PROD_ID3("ISL37100P", 0x630d52b2),
	PCMCIA_DEVICE_PROD_ID3("ISL37101P-10", 0xdd97a26b),
	PCMCIA_DEVICE_PROD_ID3("ISL37300P", 0xc9049a39),
	PCMCIA_DEVICE_NULL
	};
	MODULE_DEVICE_TABLE(pcmcia, hostap_cs_ids);


	static struct pcmcia_driver hostap_driver = {
	.drv = {
	.name = "hostap_cs",
	},
	.probe = hostap_cs_probe,
	.remove = prism2_detach,
	.owner = THIS_MODULE,
	.id_table = hostap_cs_ids,
	.suspend = hostap_cs_suspend,
	.resume = hostap_cs_resume,
	};

	static int __init init_prism2_pccard(void)
	{
	return pcmcia_register_driver(&hostap_driver);
	}

	static void __exit exit_prism2_pccard(void)
	{
	pcmcia_unregister_driver(&hostap_driver);
	}


	module_init(init_prism2_pccard);
	module_exit(exit_prism2_pccard);