Move all rtl818x files to a common directory.

This change improves the maintainability of these drivers. No functionality
is changed.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 1298 insertions, 0 deletions

diff --git a/drivers/net/wireless/rtl818x/rtl8187_dev.c b/drivers/net/wireless/rtl818x/rtl8187_dev.c
new file mode 100644
index 00000000000..e1399d0b55d
--- /dev/null
+++ b/drivers/net/wireless/rtl818x/rtl8187_dev.c
@@ -0,0 +1,1298 @@
+/*
+ * Linux device driver for RTL8187
+ *
+ * Copyright 2007 Michael Wu <flamingice@sourmilk.net>
+ * Copyright 2007 Andrea Merello <andreamrl@tiscali.it>
+ *
+ * Based on the r8187 driver, which is:
+ * Copyright 2005 Andrea Merello <andreamrl@tiscali.it>, et al.
+ *
+ * Magic delays and register offsets below are taken from the original
+ * r8187 driver sources.  Thanks to Realtek for their support!
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/init.h>
+#include <linux/usb.h>
+#include <linux/delay.h>
+#include <linux/etherdevice.h>
+#include <linux/eeprom_93cx6.h>
+#include <net/mac80211.h>
+
+#include "rtl8187.h"
+#include "rtl8187_rtl8225.h"
+
+MODULE_AUTHOR("Michael Wu <flamingice@sourmilk.net>");
+MODULE_AUTHOR("Andrea Merello <andreamrl@tiscali.it>");
+MODULE_DESCRIPTION("RTL8187/RTL8187B USB wireless driver");
+MODULE_LICENSE("GPL");
+
+static struct usb_device_id rtl8187_table[] __devinitdata = {
+	/* Asus */
+	{USB_DEVICE(0x0b05, 0x171d), .driver_info = DEVICE_RTL8187},
+	/* Belkin */
+	{USB_DEVICE(0x050d, 0x705e), .driver_info = DEVICE_RTL8187B},
+	/* Realtek */
+	{USB_DEVICE(0x0bda, 0x8187), .driver_info = DEVICE_RTL8187},
+	{USB_DEVICE(0x0bda, 0x8189), .driver_info = DEVICE_RTL8187B},
+	{USB_DEVICE(0x0bda, 0x8197), .driver_info = DEVICE_RTL8187B},
+	{USB_DEVICE(0x0bda, 0x8198), .driver_info = DEVICE_RTL8187B},
+	/* Netgear */
+	{USB_DEVICE(0x0846, 0x6100), .driver_info = DEVICE_RTL8187},
+	{USB_DEVICE(0x0846, 0x6a00), .driver_info = DEVICE_RTL8187},
+	{USB_DEVICE(0x0846, 0x4260), .driver_info = DEVICE_RTL8187B},
+	/* HP */
+	{USB_DEVICE(0x03f0, 0xca02), .driver_info = DEVICE_RTL8187},
+	/* Sitecom */
+	{USB_DEVICE(0x0df6, 0x000d), .driver_info = DEVICE_RTL8187},
+	{USB_DEVICE(0x0df6, 0x0028), .driver_info = DEVICE_RTL8187B},
+	/* Abocom */
+	{USB_DEVICE(0x13d1, 0xabe6), .driver_info = DEVICE_RTL8187},
+	{}
+};
+
+MODULE_DEVICE_TABLE(usb, rtl8187_table);
+
+static const struct ieee80211_rate rtl818x_rates[] = {
+	{ .bitrate = 10, .hw_value = 0, },
+	{ .bitrate = 20, .hw_value = 1, },
+	{ .bitrate = 55, .hw_value = 2, },
+	{ .bitrate = 110, .hw_value = 3, },
+	{ .bitrate = 60, .hw_value = 4, },
+	{ .bitrate = 90, .hw_value = 5, },
+	{ .bitrate = 120, .hw_value = 6, },
+	{ .bitrate = 180, .hw_value = 7, },
+	{ .bitrate = 240, .hw_value = 8, },
+	{ .bitrate = 360, .hw_value = 9, },
+	{ .bitrate = 480, .hw_value = 10, },
+	{ .bitrate = 540, .hw_value = 11, },
+};
+
+static const struct ieee80211_channel rtl818x_channels[] = {
+	{ .center_freq = 2412 },
+	{ .center_freq = 2417 },
+	{ .center_freq = 2422 },
+	{ .center_freq = 2427 },
+	{ .center_freq = 2432 },
+	{ .center_freq = 2437 },
+	{ .center_freq = 2442 },
+	{ .center_freq = 2447 },
+	{ .center_freq = 2452 },
+	{ .center_freq = 2457 },
+	{ .center_freq = 2462 },
+	{ .center_freq = 2467 },
+	{ .center_freq = 2472 },
+	{ .center_freq = 2484 },
+};
+
+static void rtl8187_iowrite_async_cb(struct urb *urb)
+{
+	kfree(urb->context);
+	usb_free_urb(urb);
+}
+
+static void rtl8187_iowrite_async(struct rtl8187_priv *priv, __le16 addr,
+				  void *data, u16 len)
+{
+	struct usb_ctrlrequest *dr;
+	struct urb *urb;
+	struct rtl8187_async_write_data {
+		u8 data[4];
+		struct usb_ctrlrequest dr;
+	} *buf;
+	int rc;
+
+	buf = kmalloc(sizeof(*buf), GFP_ATOMIC);
+	if (!buf)
+		return;
+
+	urb = usb_alloc_urb(0, GFP_ATOMIC);
+	if (!urb) {
+		kfree(buf);
+		return;
+	}
+
+	dr = &buf->dr;
+
+	dr->bRequestType = RTL8187_REQT_WRITE;
+	dr->bRequest = RTL8187_REQ_SET_REG;
+	dr->wValue = addr;
+	dr->wIndex = 0;
+	dr->wLength = cpu_to_le16(len);
+
+	memcpy(buf, data, len);
+
+	usb_fill_control_urb(urb, priv->udev, usb_sndctrlpipe(priv->udev, 0),
+			     (unsigned char *)dr, buf, len,
+			     rtl8187_iowrite_async_cb, buf);
+	rc = usb_submit_urb(urb, GFP_ATOMIC);
+	if (rc < 0) {
+		kfree(buf);
+		usb_free_urb(urb);
+	}
+}
+
+static inline void rtl818x_iowrite32_async(struct rtl8187_priv *priv,
+					   __le32 *addr, u32 val)
+{
+	__le32 buf = cpu_to_le32(val);
+
+	rtl8187_iowrite_async(priv, cpu_to_le16((unsigned long)addr),
+			      &buf, sizeof(buf));
+}
+
+void rtl8187_write_phy(struct ieee80211_hw *dev, u8 addr, u32 data)
+{
+	struct rtl8187_priv *priv = dev->priv;
+
+	data <<= 8;
+	data |= addr | 0x80;
+
+	rtl818x_iowrite8(priv, &priv->map->PHY[3], (data >> 24) & 0xFF);
+	rtl818x_iowrite8(priv, &priv->map->PHY[2], (data >> 16) & 0xFF);
+	rtl818x_iowrite8(priv, &priv->map->PHY[1], (data >> 8) & 0xFF);
+	rtl818x_iowrite8(priv, &priv->map->PHY[0], data & 0xFF);
+}
+
+static void rtl8187_tx_cb(struct urb *urb)
+{
+	struct sk_buff *skb = (struct sk_buff *)urb->context;
+	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+	struct ieee80211_hw *hw = info->rate_driver_data[0];
+	struct rtl8187_priv *priv = hw->priv;
+
+	usb_free_urb(info->rate_driver_data[1]);
+	skb_pull(skb, priv->is_rtl8187b ? sizeof(struct rtl8187b_tx_hdr) :
+					  sizeof(struct rtl8187_tx_hdr));
+	ieee80211_tx_info_clear_status(info);
+	info->flags |= IEEE80211_TX_STAT_ACK;
+	ieee80211_tx_status_irqsafe(hw, skb);
+}
+
+static int rtl8187_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
+{
+	struct rtl8187_priv *priv = dev->priv;
+	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+	unsigned int ep;
+	void *buf;
+	struct urb *urb;
+	__le16 rts_dur = 0;
+	u32 flags;
+	int rc;
+
+	urb = usb_alloc_urb(0, GFP_ATOMIC);
+	if (!urb) {
+		kfree_skb(skb);
+		return 0;
+	}
+
+	flags = skb->len;
+	flags |= RTL818X_TX_DESC_FLAG_NO_ENC;
+
+	flags |= ieee80211_get_tx_rate(dev, info)->hw_value << 24;
+	if (ieee80211_has_morefrags(((struct ieee80211_hdr *)skb->data)->frame_control))
+		flags |= RTL818X_TX_DESC_FLAG_MOREFRAG;
+	if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) {
+		flags |= RTL818X_TX_DESC_FLAG_RTS;
+		flags |= ieee80211_get_rts_cts_rate(dev, info)->hw_value << 19;
+		rts_dur = ieee80211_rts_duration(dev, priv->vif,
+						 skb->len, info);
+	} else if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT) {
+		flags |= RTL818X_TX_DESC_FLAG_CTS;
+		flags |= ieee80211_get_rts_cts_rate(dev, info)->hw_value << 19;
+	}
+
+	if (!priv->is_rtl8187b) {
+		struct rtl8187_tx_hdr *hdr =
+			(struct rtl8187_tx_hdr *)skb_push(skb, sizeof(*hdr));
+		hdr->flags = cpu_to_le32(flags);
+		hdr->len = 0;
+		hdr->rts_duration = rts_dur;
+		hdr->retry = cpu_to_le32((info->control.rates[0].count - 1) << 8);
+		buf = hdr;
+
+		ep = 2;
+	} else {
+		/* fc needs to be calculated before skb_push() */
+		unsigned int epmap[4] = { 6, 7, 5, 4 };
+		struct ieee80211_hdr *tx_hdr =
+			(struct ieee80211_hdr *)(skb->data);
+		u16 fc = le16_to_cpu(tx_hdr->frame_control);
+
+		struct rtl8187b_tx_hdr *hdr =
+			(struct rtl8187b_tx_hdr *)skb_push(skb, sizeof(*hdr));
+		struct ieee80211_rate *txrate =
+			ieee80211_get_tx_rate(dev, info);
+		memset(hdr, 0, sizeof(*hdr));
+		hdr->flags = cpu_to_le32(flags);
+		hdr->rts_duration = rts_dur;
+		hdr->retry = cpu_to_le32((info->control.rates[0].count - 1) << 8);
+		hdr->tx_duration =
+			ieee80211_generic_frame_duration(dev, priv->vif,
+							 skb->len, txrate);
+		buf = hdr;
+
+		if ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT)
+			ep = 12;
+		else
+			ep = epmap[skb_get_queue_mapping(skb)];
+	}
+
+	info->rate_driver_data[0] = dev;
+	info->rate_driver_data[1] = urb;
+
+	usb_fill_bulk_urb(urb, priv->udev, usb_sndbulkpipe(priv->udev, ep),
+			  buf, skb->len, rtl8187_tx_cb, skb);
+	rc = usb_submit_urb(urb, GFP_ATOMIC);
+	if (rc < 0) {
+		usb_free_urb(urb);
+		kfree_skb(skb);
+	}
+
+	return 0;
+}
+
+static void rtl8187_rx_cb(struct urb *urb)
+{
+	struct sk_buff *skb = (struct sk_buff *)urb->context;
+	struct rtl8187_rx_info *info = (struct rtl8187_rx_info *)skb->cb;
+	struct ieee80211_hw *dev = info->dev;
+	struct rtl8187_priv *priv = dev->priv;
+	struct ieee80211_rx_status rx_status = { 0 };
+	int rate, signal;
+	u32 flags;
+	u32 quality;
+
+	spin_lock(&priv->rx_queue.lock);
+	if (skb->next)
+		__skb_unlink(skb, &priv->rx_queue);
+	else {
+		spin_unlock(&priv->rx_queue.lock);
+		return;
+	}
+	spin_unlock(&priv->rx_queue.lock);
+
+	if (unlikely(urb->status)) {
+		usb_free_urb(urb);
+		dev_kfree_skb_irq(skb);
+		return;
+	}
+
+	skb_put(skb, urb->actual_length);
+	if (!priv->is_rtl8187b) {
+		struct rtl8187_rx_hdr *hdr =
+			(typeof(hdr))(skb_tail_pointer(skb) - sizeof(*hdr));
+		flags = le32_to_cpu(hdr->flags);
+		signal = hdr->signal & 0x7f;
+		rx_status.antenna = (hdr->signal >> 7) & 1;
+		rx_status.noise = hdr->noise;
+		rx_status.mactime = le64_to_cpu(hdr->mac_time);
+		priv->quality = signal;
+		rx_status.qual = priv->quality;
+		priv->noise = hdr->noise;
+		rate = (flags >> 20) & 0xF;
+		if (rate > 3) { /* OFDM rate */
+			if (signal > 90)
+				signal = 90;
+			else if (signal < 25)
+				signal = 25;
+			signal = 90 - signal;
+		} else {	/* CCK rate */
+			if (signal > 95)
+				signal = 95;
+			else if (signal < 30)
+				signal = 30;
+			signal = 95 - signal;
+		}
+		rx_status.signal = signal;
+		priv->signal = signal;
+	} else {
+		struct rtl8187b_rx_hdr *hdr =
+			(typeof(hdr))(skb_tail_pointer(skb) - sizeof(*hdr));
+		/* The Realtek datasheet for the RTL8187B shows that the RX
+		 * header contains the following quantities: signal quality,
+		 * RSSI, AGC, the received power in dB, and the measured SNR.
+		 * In testing, none of these quantities show qualitative
+		 * agreement with AP signal strength, except for the AGC,
+		 * which is inversely proportional to the strength of the
+		 * signal. In the following, the quality and signal strength
+		 * are derived from the AGC. The arbitrary scaling constants
+		 * are chosen to make the results close to the values obtained
+		 * for a BCM4312 using b43 as the driver. The noise is ignored
+		 * for now.
+		 */
+		flags = le32_to_cpu(hdr->flags);
+		quality = 170 - hdr->agc;
+		if (quality > 100)
+			quality = 100;
+		signal = 14 - hdr->agc / 2;
+		rx_status.qual = quality;
+		priv->quality = quality;
+		rx_status.signal = signal;
+		priv->signal = signal;
+		rx_status.antenna = (hdr->rssi >> 7) & 1;
+		rx_status.mactime = le64_to_cpu(hdr->mac_time);
+		rate = (flags >> 20) & 0xF;
+	}
+
+	skb_trim(skb, flags & 0x0FFF);
+	rx_status.rate_idx = rate;
+	rx_status.freq = dev->conf.channel->center_freq;
+	rx_status.band = dev->conf.channel->band;
+	rx_status.flag |= RX_FLAG_TSFT;
+	if (flags & RTL818X_RX_DESC_FLAG_CRC32_ERR)
+		rx_status.flag |= RX_FLAG_FAILED_FCS_CRC;
+	ieee80211_rx_irqsafe(dev, skb, &rx_status);
+
+	skb = dev_alloc_skb(RTL8187_MAX_RX);
+	if (unlikely(!skb)) {
+		usb_free_urb(urb);
+		/* TODO check rx queue length and refill *somewhere* */
+		return;
+	}
+
+	info = (struct rtl8187_rx_info *)skb->cb;
+	info->urb = urb;
+	info->dev = dev;
+	urb->transfer_buffer = skb_tail_pointer(skb);
+	urb->context = skb;
+	skb_queue_tail(&priv->rx_queue, skb);
+
+	usb_submit_urb(urb, GFP_ATOMIC);
+}
+
+static int rtl8187_init_urbs(struct ieee80211_hw *dev)
+{
+	struct rtl8187_priv *priv = dev->priv;
+	struct urb *entry;
+	struct sk_buff *skb;
+	struct rtl8187_rx_info *info;
+
+	while (skb_queue_len(&priv->rx_queue) < 8) {
+		skb = __dev_alloc_skb(RTL8187_MAX_RX, GFP_KERNEL);
+		if (!skb)
+			break;
+		entry = usb_alloc_urb(0, GFP_KERNEL);
+		if (!entry) {
+			kfree_skb(skb);
+			break;
+		}
+		usb_fill_bulk_urb(entry, priv->udev,
+				  usb_rcvbulkpipe(priv->udev,
+				  priv->is_rtl8187b ? 3 : 1),
+				  skb_tail_pointer(skb),
+				  RTL8187_MAX_RX, rtl8187_rx_cb, skb);
+		info = (struct rtl8187_rx_info *)skb->cb;
+		info->urb = entry;
+		info->dev = dev;
+		skb_queue_tail(&priv->rx_queue, skb);
+		usb_submit_urb(entry, GFP_KERNEL);
+	}
+
+	return 0;
+}
+
+static int rtl8187_cmd_reset(struct ieee80211_hw *dev)
+{
+	struct rtl8187_priv *priv = dev->priv;
+	u8 reg;
+	int i;
+
+	reg = rtl818x_ioread8(priv, &priv->map->CMD);
+	reg &= (1 << 1);
+	reg |= RTL818X_CMD_RESET;
+	rtl818x_iowrite8(priv, &priv->map->CMD, reg);
+
+	i = 10;
+	do {
+		msleep(2);
+		if (!(rtl818x_ioread8(priv, &priv->map->CMD) &
+		      RTL818X_CMD_RESET))
+			break;
+	} while (--i);
+
+	if (!i) {
+		printk(KERN_ERR "%s: Reset timeout!\n", wiphy_name(dev->wiphy));
+		return -ETIMEDOUT;
+	}
+
+	/* reload registers from eeprom */
+	rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_LOAD);
+
+	i = 10;
+	do {
+		msleep(4);
+		if (!(rtl818x_ioread8(priv, &priv->map->EEPROM_CMD) &
+		      RTL818X_EEPROM_CMD_CONFIG))
+			break;
+	} while (--i);
+
+	if (!i) {
+		printk(KERN_ERR "%s: eeprom reset timeout!\n",
+		       wiphy_name(dev->wiphy));
+		return -ETIMEDOUT;
+	}
+
+	return 0;
+}
+
+static int rtl8187_init_hw(struct ieee80211_hw *dev)
+{
+	struct rtl8187_priv *priv = dev->priv;
+	u8 reg;
+	int res;
+
+	/* reset */
+	rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD,
+			 RTL818X_EEPROM_CMD_CONFIG);
+	reg = rtl818x_ioread8(priv, &priv->map->CONFIG3);
+	rtl818x_iowrite8(priv, &priv->map->CONFIG3, reg |
+			 RTL818X_CONFIG3_ANAPARAM_WRITE);
+	rtl818x_iowrite32(priv, &priv->map->ANAPARAM,
+			  RTL8187_RTL8225_ANAPARAM_ON);
+	rtl818x_iowrite32(priv, &priv->map->ANAPARAM2,
+			  RTL8187_RTL8225_ANAPARAM2_ON);
+	rtl818x_iowrite8(priv, &priv->map->CONFIG3, reg &
+			 ~RTL818X_CONFIG3_ANAPARAM_WRITE);
+	rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD,
+			 RTL818X_EEPROM_CMD_NORMAL);
+
+	rtl818x_iowrite16(priv, &priv->map->INT_MASK, 0);
+
+	msleep(200);
+	rtl818x_iowrite8(priv, (u8 *)0xFE18, 0x10);
+	rtl818x_iowrite8(priv, (u8 *)0xFE18, 0x11);
+	rtl818x_iowrite8(priv, (u8 *)0xFE18, 0x00);
+	msleep(200);
+
+	res = rtl8187_cmd_reset(dev);
+	if (res)
+		return res;
+
+	rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_CONFIG);
+	reg = rtl818x_ioread8(priv, &priv->map->CONFIG3);
+	rtl818x_iowrite8(priv, &priv->map->CONFIG3,
+			reg | RTL818X_CONFIG3_ANAPARAM_WRITE);
+	rtl818x_iowrite32(priv, &priv->map->ANAPARAM,
+			  RTL8187_RTL8225_ANAPARAM_ON);
+	rtl818x_iowrite32(priv, &priv->map->ANAPARAM2,
+			  RTL8187_RTL8225_ANAPARAM2_ON);
+	rtl818x_iowrite8(priv, &priv->map->CONFIG3,
+			reg & ~RTL818X_CONFIG3_ANAPARAM_WRITE);
+	rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL);
+
+	/* setup card */
+	rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, 0);
+	rtl818x_iowrite8(priv, &priv->map->GPIO, 0);
+
+	rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, (4 << 8));
+	rtl818x_iowrite8(priv, &priv->map->GPIO, 1);
+	rtl818x_iowrite8(priv, &priv->map->GP_ENABLE, 0);
+
+	rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_CONFIG);
+
+	rtl818x_iowrite16(priv, (__le16 *)0xFFF4, 0xFFFF);
+	reg = rtl818x_ioread8(priv, &priv->map->CONFIG1);
+	reg &= 0x3F;
+	reg |= 0x80;
+	rtl818x_iowrite8(priv, &priv->map->CONFIG1, reg);
+
+	rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL);
+
+	rtl818x_iowrite32(priv, &priv->map->INT_TIMEOUT, 0);
+	rtl818x_iowrite8(priv, &priv->map->WPA_CONF, 0);
+	rtl818x_iowrite8(priv, &priv->map->RATE_FALLBACK, 0x81);
+
+	// TODO: set RESP_RATE and BRSR properly
+	rtl818x_iowrite8(priv, &priv->map->RESP_RATE, (8 << 4) | 0);
+	rtl818x_iowrite16(priv, &priv->map->BRSR, 0x01F3);
+
+	/* host_usb_init */
+	rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, 0);
+	rtl818x_iowrite8(priv, &priv->map->GPIO, 0);
+	reg = rtl818x_ioread8(priv, (u8 *)0xFE53);
+	rtl818x_iowrite8(priv, (u8 *)0xFE53, reg | (1 << 7));
+	rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, (4 << 8));
+	rtl818x_iowrite8(priv, &priv->map->GPIO, 0x20);
+	rtl818x_iowrite8(priv, &priv->map->GP_ENABLE, 0);
+	rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, 0x80);
+	rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, 0x80);
+	rtl818x_iowrite16(priv, &priv->map->RFPinsEnable, 0x80);
+	msleep(100);
+
+	rtl818x_iowrite32(priv, &priv->map->RF_TIMING, 0x000a8008);
+	rtl818x_iowrite16(priv, &priv->map->BRSR, 0xFFFF);
+	rtl818x_iowrite32(priv, &priv->map->RF_PARA, 0x00100044);
+	rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD,
+			 RTL818X_EEPROM_CMD_CONFIG);
+	rtl818x_iowrite8(priv, &priv->map->CONFIG3, 0x44);
+	rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD,
+			 RTL818X_EEPROM_CMD_NORMAL);
+	rtl818x_iowrite16(priv, &priv->map->RFPinsEnable, 0x1FF7);
+	msleep(100);
+
+	priv->rf->init(dev);
+
+	rtl818x_iowrite16(priv, &priv->map->BRSR, 0x01F3);
+	reg = rtl818x_ioread8(priv, &priv->map->PGSELECT) & ~1;
+	rtl818x_iowrite8(priv, &priv->map->PGSELECT, reg | 1);
+	rtl818x_iowrite16(priv, (__le16 *)0xFFFE, 0x10);
+	rtl818x_iowrite8(priv, &priv->map->TALLY_SEL, 0x80);
+	rtl818x_iowrite8(priv, (u8 *)0xFFFF, 0x60);
+	rtl818x_iowrite8(priv, &priv->map->PGSELECT, reg);
+
+	return 0;
+}
+
+static const u8 rtl8187b_reg_table[][3] = {
+	{0xF0, 0x32, 0}, {0xF1, 0x32, 0}, {0xF2, 0x00, 0}, {0xF3, 0x00, 0},
+	{0xF4, 0x32, 0}, {0xF5, 0x43, 0}, {0xF6, 0x00, 0}, {0xF7, 0x00, 0},
+	{0xF8, 0x46, 0}, {0xF9, 0xA4, 0}, {0xFA, 0x00, 0}, {0xFB, 0x00, 0},
+	{0xFC, 0x96, 0}, {0xFD, 0xA4, 0}, {0xFE, 0x00, 0}, {0xFF, 0x00, 0},
+
+	{0x58, 0x4B, 1}, {0x59, 0x00, 1}, {0x5A, 0x4B, 1}, {0x5B, 0x00, 1},
+	{0x60, 0x4B, 1}, {0x61, 0x09, 1}, {0x62, 0x4B, 1}, {0x63, 0x09, 1},
+	{0xCE, 0x0F, 1}, {0xCF, 0x00, 1}, {0xE0, 0xFF, 1}, {0xE1, 0x0F, 1},
+	{0xE2, 0x00, 1}, {0xF0, 0x4E, 1}, {0xF1, 0x01, 1}, {0xF2, 0x02, 1},
+	{0xF3, 0x03, 1}, {0xF4, 0x04, 1}, {0xF5, 0x05, 1}, {0xF6, 0x06, 1},
+	{0xF7, 0x07, 1}, {0xF8, 0x08, 1},
+
+	{0x4E, 0x00, 2}, {0x0C, 0x04, 2}, {0x21, 0x61, 2}, {0x22, 0x68, 2},
+	{0x23, 0x6F, 2}, {0x24, 0x76, 2}, {0x25, 0x7D, 2}, {0x26, 0x84, 2},
+	{0x27, 0x8D, 2}, {0x4D, 0x08, 2}, {0x50, 0x05, 2}, {0x51, 0xF5, 2},
+	{0x52, 0x04, 2}, {0x53, 0xA0, 2}, {0x54, 0x1F, 2}, {0x55, 0x23, 2},
+	{0x56, 0x45, 2}, {0x57, 0x67, 2}, {0x58, 0x08, 2}, {0x59, 0x08, 2},
+	{0x5A, 0x08, 2}, {0x5B, 0x08, 2}, {0x60, 0x08, 2}, {0x61, 0x08, 2},
+	{0x62, 0x08, 2}, {0x63, 0x08, 2}, {0x64, 0xCF, 2}, {0x72, 0x56, 2},
+	{0x73, 0x9A, 2},
+
+	{0x34, 0xF0, 0}, {0x35, 0x0F, 0}, {0x5B, 0x40, 0}, {0x84, 0x88, 0},
+	{0x85, 0x24, 0}, {0x88, 0x54, 0}, {0x8B, 0xB8, 0}, {0x8C, 0x07, 0},
+	{0x8D, 0x00, 0}, {0x94, 0x1B, 0}, {0x95, 0x12, 0}, {0x96, 0x00, 0},
+	{0x97, 0x06, 0}, {0x9D, 0x1A, 0}, {0x9F, 0x10, 0}, {0xB4, 0x22, 0},
+	{0xBE, 0x80, 0}, {0xDB, 0x00, 0}, {0xEE, 0x00, 0}, {0x91, 0x03, 0},
+
+	{0x4C, 0x00, 2}, {0x9F, 0x00, 3}, {0x8C, 0x01, 0}, {0x8D, 0x10, 0},
+	{0x8E, 0x08, 0}, {0x8F, 0x00, 0}
+};
+
+static int rtl8187b_init_hw(struct ieee80211_hw *dev)
+{
+	struct rtl8187_priv *priv = dev->priv;
+	int res, i;
+	u8 reg;
+
+	rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD,
+			 RTL818X_EEPROM_CMD_CONFIG);
+
+	reg = rtl818x_ioread8(priv, &priv->map->CONFIG3);
+	reg |= RTL818X_CONFIG3_ANAPARAM_WRITE | RTL818X_CONFIG3_GNT_SELECT;
+	rtl818x_iowrite8(priv, &priv->map->CONFIG3, reg);
+	rtl818x_iowrite32(priv, &priv->map->ANAPARAM2,
+			  RTL8187B_RTL8225_ANAPARAM2_ON);
+	rtl818x_iowrite32(priv, &priv->map->ANAPARAM,
+			  RTL8187B_RTL8225_ANAPARAM_ON);
+	rtl818x_iowrite8(priv, &priv->map->ANAPARAM3,
+			 RTL8187B_RTL8225_ANAPARAM3_ON);
+
+	rtl818x_iowrite8(priv, (u8 *)0xFF61, 0x10);
+	reg = rtl818x_ioread8(priv, (u8 *)0xFF62);
+	rtl818x_iowrite8(priv, (u8 *)0xFF62, reg & ~(1 << 5));
+	rtl818x_iowrite8(priv, (u8 *)0xFF62, reg | (1 << 5));
+
+	reg = rtl818x_ioread8(priv, &priv->map->CONFIG3);
+	reg &= ~RTL818X_CONFIG3_ANAPARAM_WRITE;
+	rtl818x_iowrite8(priv, &priv->map->CONFIG3, reg);
+
+	rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD,
+			 RTL818X_EEPROM_CMD_NORMAL);
+
+	res = rtl8187_cmd_reset(dev);
+	if (res)
+		return res;
+
+	rtl818x_iowrite16(priv, (__le16 *)0xFF2D, 0x0FFF);
+	reg = rtl818x_ioread8(priv, &priv->map->CW_CONF);
+	reg |= RTL818X_CW_CONF_PERPACKET_RETRY_SHIFT;
+	rtl818x_iowrite8(priv, &priv->map->CW_CONF, reg);
+	reg = rtl818x_ioread8(priv, &priv->map->TX_AGC_CTL);
+	reg |= RTL818X_TX_AGC_CTL_PERPACKET_GAIN_SHIFT |
+	       RTL818X_TX_AGC_CTL_PERPACKET_ANTSEL_SHIFT;
+	rtl818x_iowrite8(priv, &priv->map->TX_AGC_CTL, reg);
+
+	rtl818x_iowrite16_idx(priv, (__le16 *)0xFFE0, 0x0FFF, 1);
+	reg = rtl818x_ioread8(priv, &priv->map->RATE_FALLBACK);
+	reg |= RTL818X_RATE_FALLBACK_ENABLE;
+	rtl818x_iowrite8(priv, &priv->map->RATE_FALLBACK, reg);
+
+	rtl818x_iowrite16(priv, &priv->map->BEACON_INTERVAL, 100);
+	rtl818x_iowrite16(priv, &priv->map->ATIM_WND, 2);
+	rtl818x_iowrite16_idx(priv, (__le16 *)0xFFD4, 0xFFFF, 1);
+
+	rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD,
+			 RTL818X_EEPROM_CMD_CONFIG);
+	reg = rtl818x_ioread8(priv, &priv->map->CONFIG1);
+	rtl818x_iowrite8(priv, &priv->map->CONFIG1, (reg & 0x3F) | 0x80);
+	rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD,
+			 RTL818X_EEPROM_CMD_NORMAL);
+
+	rtl818x_iowrite8(priv, &priv->map->WPA_CONF, 0);
+	for (i = 0; i < ARRAY_SIZE(rtl8187b_reg_table); i++) {
+		rtl818x_iowrite8_idx(priv,
+				     (u8 *)(uintptr_t)
+				     (rtl8187b_reg_table[i][0] | 0xFF00),
+				     rtl8187b_reg_table[i][1],
+				     rtl8187b_reg_table[i][2]);
+	}
+
+	rtl818x_iowrite16(priv, &priv->map->TID_AC_MAP, 0xFA50);
+	rtl818x_iowrite16(priv, &priv->map->INT_MIG, 0);
+
+	rtl818x_iowrite32_idx(priv, (__le32 *)0xFFF0, 0, 1);
+	rtl818x_iowrite32_idx(priv, (__le32 *)0xFFF4, 0, 1);
+	rtl818x_iowrite8_idx(priv, (u8 *)0xFFF8, 0, 1);
+
+	rtl818x_iowrite32(priv, &priv->map->RF_TIMING, 0x00004001);
+
+	rtl818x_iowrite16_idx(priv, (__le16 *)0xFF72, 0x569A, 2);
+
+	rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD,
+			 RTL818X_EEPROM_CMD_CONFIG);
+	reg = rtl818x_ioread8(priv, &priv->map->CONFIG3);
+	reg |= RTL818X_CONFIG3_ANAPARAM_WRITE;
+	rtl818x_iowrite8(priv, &priv->map->CONFIG3, reg);
+	rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD,
+			 RTL818X_EEPROM_CMD_NORMAL);
+
+	rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, 0x0480);
+	rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, 0x2488);
+	rtl818x_iowrite16(priv, &priv->map->RFPinsEnable, 0x1FFF);
+	msleep(100);
+
+	priv->rf->init(dev);
+
+	reg = RTL818X_CMD_TX_ENABLE | RTL818X_CMD_RX_ENABLE;
+	rtl818x_iowrite8(priv, &priv->map->CMD, reg);
+	rtl818x_iowrite16(priv, &priv->map->INT_MASK, 0xFFFF);
+
+	rtl818x_iowrite8(priv, (u8 *)0xFE41, 0xF4);
+	rtl818x_iowrite8(priv, (u8 *)0xFE40, 0x00);
+	rtl818x_iowrite8(priv, (u8 *)0xFE42, 0x00);
+	rtl818x_iowrite8(priv, (u8 *)0xFE42, 0x01);
+	rtl818x_iowrite8(priv, (u8 *)0xFE40, 0x0F);
+	rtl818x_iowrite8(priv, (u8 *)0xFE42, 0x00);
+	rtl818x_iowrite8(priv, (u8 *)0xFE42, 0x01);
+
+	reg = rtl818x_ioread8(priv, (u8 *)0xFFDB);
+	rtl818x_iowrite8(priv, (u8 *)0xFFDB, reg | (1 << 2));
+	rtl818x_iowrite16_idx(priv, (__le16 *)0xFF72, 0x59FA, 3);
+	rtl818x_iowrite16_idx(priv, (__le16 *)0xFF74, 0x59D2, 3);
+	rtl818x_iowrite16_idx(priv, (__le16 *)0xFF76, 0x59D2, 3);
+	rtl818x_iowrite16_idx(priv, (__le16 *)0xFF78, 0x19FA, 3);
+	rtl818x_iowrite16_idx(priv, (__le16 *)0xFF7A, 0x19FA, 3);
+	rtl818x_iowrite16_idx(priv, (__le16 *)0xFF7C, 0x00D0, 3);
+	rtl818x_iowrite8(priv, (u8 *)0xFF61, 0);
+	rtl818x_iowrite8_idx(priv, (u8 *)0xFF80, 0x0F, 1);
+	rtl818x_iowrite8_idx(priv, (u8 *)0xFF83, 0x03, 1);
+	rtl818x_iowrite8(priv, (u8 *)0xFFDA, 0x10);
+	rtl818x_iowrite8_idx(priv, (u8 *)0xFF4D, 0x08, 2);
+
+	rtl818x_iowrite32(priv, &priv->map->HSSI_PARA, 0x0600321B);
+
+	rtl818x_iowrite16_idx(priv, (__le16 *)0xFFEC, 0x0800, 1);
+
+	return 0;
+}
+
+static int rtl8187_start(struct ieee80211_hw *dev)
+{
+	struct rtl8187_priv *priv = dev->priv;
+	u32 reg;
+	int ret;
+
+	ret = (!priv->is_rtl8187b) ? rtl8187_init_hw(dev) :
+				     rtl8187b_init_hw(dev);
+	if (ret)
+		return ret;
+
+	mutex_lock(&priv->conf_mutex);
+	if (priv->is_rtl8187b) {
+		reg = RTL818X_RX_CONF_MGMT |
+		      RTL818X_RX_CONF_DATA |
+		      RTL818X_RX_CONF_BROADCAST |
+		      RTL818X_RX_CONF_NICMAC |
+		      RTL818X_RX_CONF_BSSID |
+		      (7 << 13 /* RX FIFO threshold NONE */) |
+		      (7 << 10 /* MAX RX DMA */) |
+		      RTL818X_RX_CONF_RX_AUTORESETPHY |
+		      RTL818X_RX_CONF_ONLYERLPKT |
+		      RTL818X_RX_CONF_MULTICAST;
+		priv->rx_conf = reg;
+		rtl818x_iowrite32(priv, &priv->map->RX_CONF, reg);
+
+		rtl818x_iowrite32(priv, &priv->map->TX_CONF,
+				  RTL818X_TX_CONF_HW_SEQNUM |
+				  RTL818X_TX_CONF_DISREQQSIZE |
+				  (7 << 8  /* short retry limit */) |
+				  (7 << 0  /* long retry limit */) |
+				  (7 << 21 /* MAX TX DMA */));
+		rtl8187_init_urbs(dev);
+		mutex_unlock(&priv->conf_mutex);
+		return 0;
+	}
+
+	rtl818x_iowrite16(priv, &priv->map->INT_MASK, 0xFFFF);
+
+	rtl818x_iowrite32(priv, &priv->map->MAR[0], ~0);
+	rtl818x_iowrite32(priv, &priv->map->MAR[1], ~0);
+
+	rtl8187_init_urbs(dev);
+
+	reg = RTL818X_RX_CONF_ONLYERLPKT |
+	      RTL818X_RX_CONF_RX_AUTORESETPHY |
+	      RTL818X_RX_CONF_BSSID |
+	      RTL818X_RX_CONF_MGMT |
+	      RTL818X_RX_CONF_DATA |
+	      (7 << 13 /* RX FIFO threshold NONE */) |
+	      (7 << 10 /* MAX RX DMA */) |
+	      RTL818X_RX_CONF_BROADCAST |
+	      RTL818X_RX_CONF_NICMAC;
+
+	priv->rx_conf = reg;
+	rtl818x_iowrite32(priv, &priv->map->RX_CONF, reg);
+
+	reg = rtl818x_ioread8(priv, &priv->map->CW_CONF);
+	reg &= ~RTL818X_CW_CONF_PERPACKET_CW_SHIFT;
+	reg |= RTL818X_CW_CONF_PERPACKET_RETRY_SHIFT;
+	rtl818x_iowrite8(priv, &priv->map->CW_CONF, reg);
+
+	reg = rtl818x_ioread8(priv, &priv->map->TX_AGC_CTL);
+	reg &= ~RTL818X_TX_AGC_CTL_PERPACKET_GAIN_SHIFT;
+	reg &= ~RTL818X_TX_AGC_CTL_PERPACKET_ANTSEL_SHIFT;
+	reg &= ~RTL818X_TX_AGC_CTL_FEEDBACK_ANT;
+	rtl818x_iowrite8(priv, &priv->map->TX_AGC_CTL, reg);
+
+	reg  = RTL818X_TX_CONF_CW_MIN |
+	       (7 << 21 /* MAX TX DMA */) |
+	       RTL818X_TX_CONF_NO_ICV;
+	rtl818x_iowrite32(priv, &priv->map->TX_CONF, reg);
+
+	reg = rtl818x_ioread8(priv, &priv->map->CMD);
+	reg |= RTL818X_CMD_TX_ENABLE;
+	reg |= RTL818X_CMD_RX_ENABLE;
+	rtl818x_iowrite8(priv, &priv->map->CMD, reg);
+	mutex_unlock(&priv->conf_mutex);
+
+	return 0;
+}
+
+static void rtl8187_stop(struct ieee80211_hw *dev)
+{
+	struct rtl8187_priv *priv = dev->priv;
+	struct rtl8187_rx_info *info;
+	struct sk_buff *skb;
+	u32 reg;
+
+	mutex_lock(&priv->conf_mutex);
+	rtl818x_iowrite16(priv, &priv->map->INT_MASK, 0);
+
+	reg = rtl818x_ioread8(priv, &priv->map->CMD);
+	reg &= ~RTL818X_CMD_TX_ENABLE;
+	reg &= ~RTL818X_CMD_RX_ENABLE;
+	rtl818x_iowrite8(priv, &priv->map->CMD, reg);
+
+	priv->rf->stop(dev);
+
+	rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_CONFIG);
+	reg = rtl818x_ioread8(priv, &priv->map->CONFIG4);
+	rtl818x_iowrite8(priv, &priv->map->CONFIG4, reg | RTL818X_CONFIG4_VCOOFF);
+	rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL);
+
+	while ((skb = skb_dequeue(&priv->rx_queue))) {
+		info = (struct rtl8187_rx_info *)skb->cb;
+		usb_kill_urb(info->urb);
+		kfree_skb(skb);
+	}
+	mutex_unlock(&priv->conf_mutex);
+}
+
+static int rtl8187_add_interface(struct ieee80211_hw *dev,
+				 struct ieee80211_if_init_conf *conf)
+{
+	struct rtl8187_priv *priv = dev->priv;
+	int i;
+
+	if (priv->mode != NL80211_IFTYPE_MONITOR)
+		return -EOPNOTSUPP;
+
+	switch (conf->type) {
+	case NL80211_IFTYPE_STATION:
+		priv->mode = conf->type;
+		break;
+	default:
+		return -EOPNOTSUPP;
+	}
+
+	mutex_lock(&priv->conf_mutex);
+	priv->vif = conf->vif;
+
+	rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_CONFIG);
+	for (i = 0; i < ETH_ALEN; i++)
+		rtl818x_iowrite8(priv, &priv->map->MAC[i],
+				 ((u8 *)conf->mac_addr)[i]);
+	rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL);
+
+	mutex_unlock(&priv->conf_mutex);
+	return 0;
+}
+
+static void rtl8187_remove_interface(struct ieee80211_hw *dev,
+				     struct ieee80211_if_init_conf *conf)
+{
+	struct rtl8187_priv *priv = dev->priv;
+	mutex_lock(&priv->conf_mutex);
+	priv->mode = NL80211_IFTYPE_MONITOR;
+	priv->vif = NULL;
+	mutex_unlock(&priv->conf_mutex);
+}
+
+static int rtl8187_config(struct ieee80211_hw *dev, u32 changed)
+{
+	struct rtl8187_priv *priv = dev->priv;
+	struct ieee80211_conf *conf = &dev->conf;
+	u32 reg;
+
+	mutex_lock(&priv->conf_mutex);
+	reg = rtl818x_ioread32(priv, &priv->map->TX_CONF);
+	/* Enable TX loopback on MAC level to avoid TX during channel
+	 * changes, as this has be seen to causes problems and the
+	 * card will stop work until next reset
+	 */
+	rtl818x_iowrite32(priv, &priv->map->TX_CONF,
+			  reg | RTL818X_TX_CONF_LOOPBACK_MAC);
+	priv->rf->set_chan(dev, conf);
+	msleep(10);
+	rtl818x_iowrite32(priv, &priv->map->TX_CONF, reg);
+
+	rtl818x_iowrite16(priv, &priv->map->ATIM_WND, 2);
+	rtl818x_iowrite16(priv, &priv->map->ATIMTR_INTERVAL, 100);
+	rtl818x_iowrite16(priv, &priv->map->BEACON_INTERVAL, 100);
+	rtl818x_iowrite16(priv, &priv->map->BEACON_INTERVAL_TIME, 100);
+	mutex_unlock(&priv->conf_mutex);
+	return 0;
+}
+
+static int rtl8187_config_interface(struct ieee80211_hw *dev,
+				    struct ieee80211_vif *vif,
+				    struct ieee80211_if_conf *conf)
+{
+	struct rtl8187_priv *priv = dev->priv;
+	int i;
+	u8 reg;
+
+	mutex_lock(&priv->conf_mutex);
+	for (i = 0; i < ETH_ALEN; i++)
+		rtl818x_iowrite8(priv, &priv->map->BSSID[i], conf->bssid[i]);
+
+	if (is_valid_ether_addr(conf->bssid)) {
+		reg = RTL818X_MSR_INFRA;
+		if (priv->is_rtl8187b)
+			reg |= RTL818X_MSR_ENEDCA;
+		rtl818x_iowrite8(priv, &priv->map->MSR, reg);
+	} else {
+		reg = RTL818X_MSR_NO_LINK;
+		rtl818x_iowrite8(priv, &priv->map->MSR, reg);
+	}
+
+	mutex_unlock(&priv->conf_mutex);
+	return 0;
+}
+
+static void rtl8187_conf_erp(struct rtl8187_priv *priv, bool use_short_slot,
+			     bool use_short_preamble)
+{
+	if (priv->is_rtl8187b) {
+		u8 difs, eifs, slot_time;
+		u16 ack_timeout;
+
+		if (use_short_slot) {
+			slot_time = 0x9;
+			difs = 0x1c;
+			eifs = 0x53;
+		} else {
+			slot_time = 0x14;
+			difs = 0x32;
+			eifs = 0x5b;
+		}
+		rtl818x_iowrite8(priv, &priv->map->SIFS, 0xa);
+		rtl818x_iowrite8(priv, &priv->map->SLOT, slot_time);
+		rtl818x_iowrite8(priv, &priv->map->DIFS, difs);
+
+		/*
+		 * BRSR+1 on 8187B is in fact EIFS register
+		 * Value in units of 4 us
+		 */
+		rtl818x_iowrite8(priv, (u8 *)&priv->map->BRSR + 1, eifs);
+
+		/*
+		 * For 8187B, CARRIER_SENSE_COUNTER is in fact ack timeout
+		 * register. In units of 4 us like eifs register
+		 * ack_timeout = ack duration + plcp + difs + preamble
+		 */
+		ack_timeout = 112 + 48 + difs;
+		if (use_short_preamble)
+			ack_timeout += 72;
+		else
+			ack_timeout += 144;
+		rtl818x_iowrite8(priv, &priv->map->CARRIER_SENSE_COUNTER,
+				 DIV_ROUND_UP(ack_timeout, 4));
+	} else {
+		rtl818x_iowrite8(priv, &priv->map->SIFS, 0x22);
+		if (use_short_slot) {
+			rtl818x_iowrite8(priv, &priv->map->SLOT, 0x9);
+			rtl818x_iowrite8(priv, &priv->map->DIFS, 0x14);
+			rtl818x_iowrite8(priv, &priv->map->EIFS, 91 - 0x14);
+			rtl818x_iowrite8(priv, &priv->map->CW_VAL, 0x73);
+		} else {
+			rtl818x_iowrite8(priv, &priv->map->SLOT, 0x14);
+			rtl818x_iowrite8(priv, &priv->map->DIFS, 0x24);
+			rtl818x_iowrite8(priv, &priv->map->EIFS, 91 - 0x24);
+			rtl818x_iowrite8(priv, &priv->map->CW_VAL, 0xa5);
+		}
+	}
+}
+
+static void rtl8187_bss_info_changed(struct ieee80211_hw *dev,
+				     struct ieee80211_vif *vif,
+				     struct ieee80211_bss_conf *info,
+				     u32 changed)
+{
+	struct rtl8187_priv *priv = dev->priv;
+
+	if (changed & (BSS_CHANGED_ERP_SLOT | BSS_CHANGED_ERP_PREAMBLE))
+		rtl8187_conf_erp(priv, info->use_short_slot,
+				 info->use_short_preamble);
+}
+
+static void rtl8187_configure_filter(struct ieee80211_hw *dev,
+				     unsigned int changed_flags,
+				     unsigned int *total_flags,
+				     int mc_count, struct dev_addr_list *mclist)
+{
+	struct rtl8187_priv *priv = dev->priv;
+
+	if (changed_flags & FIF_FCSFAIL)
+		priv->rx_conf ^= RTL818X_RX_CONF_FCS;
+	if (changed_flags & FIF_CONTROL)
+		priv->rx_conf ^= RTL818X_RX_CONF_CTRL;
+	if (changed_flags & FIF_OTHER_BSS)
+		priv->rx_conf ^= RTL818X_RX_CONF_MONITOR;
+	if (*total_flags & FIF_ALLMULTI || mc_count > 0)
+		priv->rx_conf |= RTL818X_RX_CONF_MULTICAST;
+	else
+		priv->rx_conf &= ~RTL818X_RX_CONF_MULTICAST;
+
+	*total_flags = 0;
+
+	if (priv->rx_conf & RTL818X_RX_CONF_FCS)
+		*total_flags |= FIF_FCSFAIL;
+	if (priv->rx_conf & RTL818X_RX_CONF_CTRL)
+		*total_flags |= FIF_CONTROL;
+	if (priv->rx_conf & RTL818X_RX_CONF_MONITOR)
+		*total_flags |= FIF_OTHER_BSS;
+	if (priv->rx_conf & RTL818X_RX_CONF_MULTICAST)
+		*total_flags |= FIF_ALLMULTI;
+
+	rtl818x_iowrite32_async(priv, &priv->map->RX_CONF, priv->rx_conf);
+}
+
+static const struct ieee80211_ops rtl8187_ops = {
+	.tx			= rtl8187_tx,
+	.start			= rtl8187_start,
+	.stop			= rtl8187_stop,
+	.add_interface		= rtl8187_add_interface,
+	.remove_interface	= rtl8187_remove_interface,
+	.config			= rtl8187_config,
+	.config_interface	= rtl8187_config_interface,
+	.bss_info_changed	= rtl8187_bss_info_changed,
+	.configure_filter	= rtl8187_configure_filter,
+};
+
+static void rtl8187_eeprom_register_read(struct eeprom_93cx6 *eeprom)
+{
+	struct ieee80211_hw *dev = eeprom->data;
+	struct rtl8187_priv *priv = dev->priv;
+	u8 reg = rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
+
+	eeprom->reg_data_in = reg & RTL818X_EEPROM_CMD_WRITE;
+	eeprom->reg_data_out = reg & RTL818X_EEPROM_CMD_READ;
+	eeprom->reg_data_clock = reg & RTL818X_EEPROM_CMD_CK;
+	eeprom->reg_chip_select = reg & RTL818X_EEPROM_CMD_CS;
+}
+
+static void rtl8187_eeprom_register_write(struct eeprom_93cx6 *eeprom)
+{
+	struct ieee80211_hw *dev = eeprom->data;
+	struct rtl8187_priv *priv = dev->priv;
+	u8 reg = RTL818X_EEPROM_CMD_PROGRAM;
+
+	if (eeprom->reg_data_in)
+		reg |= RTL818X_EEPROM_CMD_WRITE;
+	if (eeprom->reg_data_out)
+		reg |= RTL818X_EEPROM_CMD_READ;
+	if (eeprom->reg_data_clock)
+		reg |= RTL818X_EEPROM_CMD_CK;
+	if (eeprom->reg_chip_select)
+		reg |= RTL818X_EEPROM_CMD_CS;
+
+	rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, reg);
+	udelay(10);
+}
+
+static int __devinit rtl8187_probe(struct usb_interface *intf,
+				   const struct usb_device_id *id)
+{
+	struct usb_device *udev = interface_to_usbdev(intf);
+	struct ieee80211_hw *dev;
+	struct rtl8187_priv *priv;
+	struct eeprom_93cx6 eeprom;
+	struct ieee80211_channel *channel;
+	const char *chip_name;
+	u16 txpwr, reg;
+	int err, i;
+
+	dev = ieee80211_alloc_hw(sizeof(*priv), &rtl8187_ops);
+	if (!dev) {
+		printk(KERN_ERR "rtl8187: ieee80211 alloc failed\n");
+		return -ENOMEM;
+	}
+
+	priv = dev->priv;
+	priv->is_rtl8187b = (id->driver_info == DEVICE_RTL8187B);
+
+	SET_IEEE80211_DEV(dev, &intf->dev);
+	usb_set_intfdata(intf, dev);
+	priv->udev = udev;
+
+	usb_get_dev(udev);
+
+	skb_queue_head_init(&priv->rx_queue);
+
+	BUILD_BUG_ON(sizeof(priv->channels) != sizeof(rtl818x_channels));
+	BUILD_BUG_ON(sizeof(priv->rates) != sizeof(rtl818x_rates));
+
+	memcpy(priv->channels, rtl818x_channels, sizeof(rtl818x_channels));
+	memcpy(priv->rates, rtl818x_rates, sizeof(rtl818x_rates));
+	priv->map = (struct rtl818x_csr *)0xFF00;
+
+	priv->band.band = IEEE80211_BAND_2GHZ;
+	priv->band.channels = priv->channels;
+	priv->band.n_channels = ARRAY_SIZE(rtl818x_channels);
+	priv->band.bitrates = priv->rates;
+	priv->band.n_bitrates = ARRAY_SIZE(rtl818x_rates);
+	dev->wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band;
+
+
+	priv->mode = NL80211_IFTYPE_MONITOR;
+	dev->flags = IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
+		     IEEE80211_HW_RX_INCLUDES_FCS;
+
+	eeprom.data = dev;
+	eeprom.register_read = rtl8187_eeprom_register_read;
+	eeprom.register_write = rtl8187_eeprom_register_write;
+	if (rtl818x_ioread32(priv, &priv->map->RX_CONF) & (1 << 6))
+		eeprom.width = PCI_EEPROM_WIDTH_93C66;
+	else
+		eeprom.width = PCI_EEPROM_WIDTH_93C46;
+
+	rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_CONFIG);
+	udelay(10);
+
+	eeprom_93cx6_multiread(&eeprom, RTL8187_EEPROM_MAC_ADDR,
+			       (__le16 __force *)dev->wiphy->perm_addr, 3);
+	if (!is_valid_ether_addr(dev->wiphy->perm_addr)) {
+		printk(KERN_WARNING "rtl8187: Invalid hwaddr! Using randomly "
+		       "generated MAC address\n");
+		random_ether_addr(dev->wiphy->perm_addr);
+	}
+
+	channel = priv->channels;
+	for (i = 0; i < 3; i++) {
+		eeprom_93cx6_read(&eeprom, RTL8187_EEPROM_TXPWR_CHAN_1 + i,
+				  &txpwr);
+		(*channel++).hw_value = txpwr & 0xFF;
+		(*channel++).hw_value = txpwr >> 8;
+	}
+	for (i = 0; i < 2; i++) {
+		eeprom_93cx6_read(&eeprom, RTL8187_EEPROM_TXPWR_CHAN_4 + i,
+				  &txpwr);
+		(*channel++).hw_value = txpwr & 0xFF;
+		(*channel++).hw_value = txpwr >> 8;
+	}
+
+	eeprom_93cx6_read(&eeprom, RTL8187_EEPROM_TXPWR_BASE,
+			  &priv->txpwr_base);
+
+	reg = rtl818x_ioread8(priv, &priv->map->PGSELECT) & ~1;
+	rtl818x_iowrite8(priv, &priv->map->PGSELECT, reg | 1);
+	/* 0 means asic B-cut, we should use SW 3 wire
+	 * bit-by-bit banging for radio. 1 means we can use
+	 * USB specific request to write radio registers */
+	priv->asic_rev = rtl818x_ioread8(priv, (u8 *)0xFFFE) & 0x3;
+	rtl818x_iowrite8(priv, &priv->map->PGSELECT, reg);
+	rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL);
+
+	if (!priv->is_rtl8187b) {
+		u32 reg32;
+		reg32 = rtl818x_ioread32(priv, &priv->map->TX_CONF);
+		reg32 &= RTL818X_TX_CONF_HWVER_MASK;
+		switch (reg32) {
+		case RTL818X_TX_CONF_R8187vD_B:
+			/* Some RTL8187B devices have a USB ID of 0x8187
+			 * detect them here */
+			chip_name = "RTL8187BvB(early)";
+			priv->is_rtl8187b = 1;
+			priv->hw_rev = RTL8187BvB;
+			break;
+		case RTL818X_TX_CONF_R8187vD:
+			chip_name = "RTL8187vD";
+			break;
+		default:
+			chip_name = "RTL8187vB (default)";
+		}
+       } else {
+		/*
+		 * Force USB request to write radio registers for 8187B, Realtek
+		 * only uses it in their sources
+		 */
+		/*if (priv->asic_rev == 0) {
+			printk(KERN_WARNING "rtl8187: Forcing use of USB "
+			       "requests to write to radio registers\n");
+			priv->asic_rev = 1;
+		}*/
+		switch (rtl818x_ioread8(priv, (u8 *)0xFFE1)) {
+		case RTL818X_R8187B_B:
+			chip_name = "RTL8187BvB";
+			priv->hw_rev = RTL8187BvB;
+			break;
+		case RTL818X_R8187B_D:
+			chip_name = "RTL8187BvD";
+			priv->hw_rev = RTL8187BvD;
+			break;
+		case RTL818X_R8187B_E:
+			chip_name = "RTL8187BvE";
+			priv->hw_rev = RTL8187BvE;
+			break;
+		default:
+			chip_name = "RTL8187BvB (default)";
+			priv->hw_rev = RTL8187BvB;
+		}
+	}
+
+	if (!priv->is_rtl8187b) {
+		for (i = 0; i < 2; i++) {
+			eeprom_93cx6_read(&eeprom,
+					  RTL8187_EEPROM_TXPWR_CHAN_6 + i,
+					  &txpwr);
+			(*channel++).hw_value = txpwr & 0xFF;
+			(*channel++).hw_value = txpwr >> 8;
+		}
+	} else {
+		eeprom_93cx6_read(&eeprom, RTL8187_EEPROM_TXPWR_CHAN_6,
+				  &txpwr);
+		(*channel++).hw_value = txpwr & 0xFF;
+
+		eeprom_93cx6_read(&eeprom, 0x0A, &txpwr);
+		(*channel++).hw_value = txpwr & 0xFF;
+
+		eeprom_93cx6_read(&eeprom, 0x1C, &txpwr);
+		(*channel++).hw_value = txpwr & 0xFF;
+		(*channel++).hw_value = txpwr >> 8;
+	}
+
+	if (priv->is_rtl8187b) {
+		printk(KERN_WARNING "rtl8187: 8187B chip detected. Support "
+			"is EXPERIMENTAL, and could damage your\n"
+			"         hardware, use at your own risk\n");
+		dev->flags |= IEEE80211_HW_SIGNAL_DBM;
+	} else {
+		dev->flags |= IEEE80211_HW_SIGNAL_UNSPEC;
+		dev->max_signal = 65;
+	}
+
+	/*
+	 * XXX: Once this driver supports anything that requires
+	 *	beacons it must implement IEEE80211_TX_CTL_ASSIGN_SEQ.
+	 */
+	dev->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);
+
+	if ((id->driver_info == DEVICE_RTL8187) && priv->is_rtl8187b)
+		printk(KERN_INFO "rtl8187: inconsistency between id with OEM"
+		       " info!\n");
+
+	priv->rf = rtl8187_detect_rf(dev);
+	dev->extra_tx_headroom = (!priv->is_rtl8187b) ?
+				  sizeof(struct rtl8187_tx_hdr) :
+				  sizeof(struct rtl8187b_tx_hdr);
+	if (!priv->is_rtl8187b)
+		dev->queues = 1;
+	else
+		dev->queues = 4;
+
+	err = ieee80211_register_hw(dev);
+	if (err) {
+		printk(KERN_ERR "rtl8187: Cannot register device\n");
+		goto err_free_dev;
+	}
+	mutex_init(&priv->conf_mutex);
+
+	printk(KERN_INFO "%s: hwaddr %pM, %s V%d + %s\n",
+	       wiphy_name(dev->wiphy), dev->wiphy->perm_addr,
+	       chip_name, priv->asic_rev, priv->rf->name);
+
+	return 0;
+
+ err_free_dev:
+	ieee80211_free_hw(dev);
+	usb_set_intfdata(intf, NULL);
+	usb_put_dev(udev);
+	return err;
+}
+
+static void __devexit rtl8187_disconnect(struct usb_interface *intf)
+{
+	struct ieee80211_hw *dev = usb_get_intfdata(intf);
+	struct rtl8187_priv *priv;
+
+	if (!dev)
+		return;
+
+	ieee80211_unregister_hw(dev);
+
+	priv = dev->priv;
+	usb_put_dev(interface_to_usbdev(intf));
+	ieee80211_free_hw(dev);
+}
+
+static struct usb_driver rtl8187_driver = {
+	.name		= KBUILD_MODNAME,
+	.id_table	= rtl8187_table,
+	.probe		= rtl8187_probe,
+	.disconnect	= __devexit_p(rtl8187_disconnect),
+};
+
+static int __init rtl8187_init(void)
+{
+	return usb_register(&rtl8187_driver);
+}
+
+static void __exit rtl8187_exit(void)
+{
+	usb_deregister(&rtl8187_driver);
+}
+
+module_init(rtl8187_init);
+module_exit(rtl8187_exit);