rtl818x: move rtl8180 and rtl8187 to separate subdirectories

These drivers share one header file, but nothing else.  Worse, both
drivers use the rtl8225 part with different register settings.  The
results has been some ugly naming -- let's simplify that.

Signed-off-by: John W. Linville <linville@tuxdriver.com>
Acked-by: Hin-Tak Leung <htl10@users.sourceforge.net>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Acked-by: Herton Ronaldo Krzesinski <herton@mandriva.com.br>

11 files changed, 2816 insertions, 0 deletions

diff --git a/drivers/net/wireless/rtl818x/rtl8180/Makefile b/drivers/net/wireless/rtl818x/rtl8180/Makefile
new file mode 100644
index 00000000000..cb4fb8596f0
--- /dev/null
+++ b/drivers/net/wireless/rtl818x/rtl8180/Makefile
@@ -0,0 +1,5 @@
+rtl8180-objs		:= dev.o rtl8225.o sa2400.o max2820.o grf5101.o
+
+obj-$(CONFIG_RTL8180)	+= rtl8180.o
+
+ccflags-y += -Idrivers/net/wireless/rtl818x
diff --git a/drivers/net/wireless/rtl818x/rtl8180/dev.c b/drivers/net/wireless/rtl818x/rtl8180/dev.c
new file mode 100644
index 00000000000..5851cbc1e95
--- /dev/null
+++ b/drivers/net/wireless/rtl818x/rtl8180/dev.c
@@ -0,0 +1,1188 @@
+
+/*
+ * Linux device driver for RTL8180 / RTL8185
+ *
+ * Copyright 2007 Michael Wu <flamingice@sourmilk.net>
+ * Copyright 2007 Andrea Merello <andreamrl@tiscali.it>
+ *
+ * Based on the r8180 driver, which is:
+ * Copyright 2004-2005 Andrea Merello <andreamrl@tiscali.it>, et al.
+ *
+ * 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/pci.h>
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include <linux/etherdevice.h>
+#include <linux/eeprom_93cx6.h>
+#include <net/mac80211.h>
+
+#include "rtl8180.h"
+#include "rtl8225.h"
+#include "sa2400.h"
+#include "max2820.h"
+#include "grf5101.h"
+
+MODULE_AUTHOR("Michael Wu <flamingice@sourmilk.net>");
+MODULE_AUTHOR("Andrea Merello <andreamrl@tiscali.it>");
+MODULE_DESCRIPTION("RTL8180 / RTL8185 PCI wireless driver");
+MODULE_LICENSE("GPL");
+
+static DEFINE_PCI_DEVICE_TABLE(rtl8180_table) = {
+	/* rtl8185 */
+	{ PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8185) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_BELKIN, 0x700f) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_BELKIN, 0x701f) },
+
+	/* rtl8180 */
+	{ PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8180) },
+	{ PCI_DEVICE(0x1799, 0x6001) },
+	{ PCI_DEVICE(0x1799, 0x6020) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x3300) },
+	{ }
+};
+
+MODULE_DEVICE_TABLE(pci, rtl8180_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 },
+};
+
+
+void rtl8180_write_phy(struct ieee80211_hw *dev, u8 addr, u32 data)
+{
+	struct rtl8180_priv *priv = dev->priv;
+	int i = 10;
+	u32 buf;
+
+	buf = (data << 8) | addr;
+
+	rtl818x_iowrite32(priv, (__le32 __iomem *)&priv->map->PHY[0], buf | 0x80);
+	while (i--) {
+		rtl818x_iowrite32(priv, (__le32 __iomem *)&priv->map->PHY[0], buf);
+		if (rtl818x_ioread8(priv, &priv->map->PHY[2]) == (data & 0xFF))
+			return;
+	}
+}
+
+static void rtl8180_handle_rx(struct ieee80211_hw *dev)
+{
+	struct rtl8180_priv *priv = dev->priv;
+	unsigned int count = 32;
+	u8 signal, agc, sq;
+
+	while (count--) {
+		struct rtl8180_rx_desc *entry = &priv->rx_ring[priv->rx_idx];
+		struct sk_buff *skb = priv->rx_buf[priv->rx_idx];
+		u32 flags = le32_to_cpu(entry->flags);
+
+		if (flags & RTL818X_RX_DESC_FLAG_OWN)
+			return;
+
+		if (unlikely(flags & (RTL818X_RX_DESC_FLAG_DMA_FAIL |
+				      RTL818X_RX_DESC_FLAG_FOF |
+				      RTL818X_RX_DESC_FLAG_RX_ERR)))
+			goto done;
+		else {
+			u32 flags2 = le32_to_cpu(entry->flags2);
+			struct ieee80211_rx_status rx_status = {0};
+			struct sk_buff *new_skb = dev_alloc_skb(MAX_RX_SIZE);
+
+			if (unlikely(!new_skb))
+				goto done;
+
+			pci_unmap_single(priv->pdev,
+					 *((dma_addr_t *)skb->cb),
+					 MAX_RX_SIZE, PCI_DMA_FROMDEVICE);
+			skb_put(skb, flags & 0xFFF);
+
+			rx_status.antenna = (flags2 >> 15) & 1;
+			rx_status.rate_idx = (flags >> 20) & 0xF;
+			agc = (flags2 >> 17) & 0x7F;
+			if (priv->r8185) {
+				if (rx_status.rate_idx > 3)
+					signal = 90 - clamp_t(u8, agc, 25, 90);
+				else
+					signal = 95 - clamp_t(u8, agc, 30, 95);
+			} else {
+				sq = flags2 & 0xff;
+				signal = priv->rf->calc_rssi(agc, sq);
+			}
+			rx_status.signal = signal;
+			rx_status.freq = dev->conf.channel->center_freq;
+			rx_status.band = dev->conf.channel->band;
+			rx_status.mactime = le64_to_cpu(entry->tsft);
+			rx_status.flag |= RX_FLAG_TSFT;
+			if (flags & RTL818X_RX_DESC_FLAG_CRC32_ERR)
+				rx_status.flag |= RX_FLAG_FAILED_FCS_CRC;
+
+			memcpy(IEEE80211_SKB_RXCB(skb), &rx_status, sizeof(rx_status));
+			ieee80211_rx_irqsafe(dev, skb);
+
+			skb = new_skb;
+			priv->rx_buf[priv->rx_idx] = skb;
+			*((dma_addr_t *) skb->cb) =
+				pci_map_single(priv->pdev, skb_tail_pointer(skb),
+					       MAX_RX_SIZE, PCI_DMA_FROMDEVICE);
+		}
+
+	done:
+		entry->rx_buf = cpu_to_le32(*((dma_addr_t *)skb->cb));
+		entry->flags = cpu_to_le32(RTL818X_RX_DESC_FLAG_OWN |
+					   MAX_RX_SIZE);
+		if (priv->rx_idx == 31)
+			entry->flags |= cpu_to_le32(RTL818X_RX_DESC_FLAG_EOR);
+		priv->rx_idx = (priv->rx_idx + 1) % 32;
+	}
+}
+
+static void rtl8180_handle_tx(struct ieee80211_hw *dev, unsigned int prio)
+{
+	struct rtl8180_priv *priv = dev->priv;
+	struct rtl8180_tx_ring *ring = &priv->tx_ring[prio];
+
+	while (skb_queue_len(&ring->queue)) {
+		struct rtl8180_tx_desc *entry = &ring->desc[ring->idx];
+		struct sk_buff *skb;
+		struct ieee80211_tx_info *info;
+		u32 flags = le32_to_cpu(entry->flags);
+
+		if (flags & RTL818X_TX_DESC_FLAG_OWN)
+			return;
+
+		ring->idx = (ring->idx + 1) % ring->entries;
+		skb = __skb_dequeue(&ring->queue);
+		pci_unmap_single(priv->pdev, le32_to_cpu(entry->tx_buf),
+				 skb->len, PCI_DMA_TODEVICE);
+
+		info = IEEE80211_SKB_CB(skb);
+		ieee80211_tx_info_clear_status(info);
+
+		if (!(info->flags & IEEE80211_TX_CTL_NO_ACK) &&
+		    (flags & RTL818X_TX_DESC_FLAG_TX_OK))
+			info->flags |= IEEE80211_TX_STAT_ACK;
+
+		info->status.rates[0].count = (flags & 0xFF) + 1;
+		info->status.rates[1].idx = -1;
+
+		ieee80211_tx_status_irqsafe(dev, skb);
+		if (ring->entries - skb_queue_len(&ring->queue) == 2)
+			ieee80211_wake_queue(dev, prio);
+	}
+}
+
+static irqreturn_t rtl8180_interrupt(int irq, void *dev_id)
+{
+	struct ieee80211_hw *dev = dev_id;
+	struct rtl8180_priv *priv = dev->priv;
+	u16 reg;
+
+	spin_lock(&priv->lock);
+	reg = rtl818x_ioread16(priv, &priv->map->INT_STATUS);
+	if (unlikely(reg == 0xFFFF)) {
+		spin_unlock(&priv->lock);
+		return IRQ_HANDLED;
+	}
+
+	rtl818x_iowrite16(priv, &priv->map->INT_STATUS, reg);
+
+	if (reg & (RTL818X_INT_TXB_OK | RTL818X_INT_TXB_ERR))
+		rtl8180_handle_tx(dev, 3);
+
+	if (reg & (RTL818X_INT_TXH_OK | RTL818X_INT_TXH_ERR))
+		rtl8180_handle_tx(dev, 2);
+
+	if (reg & (RTL818X_INT_TXN_OK | RTL818X_INT_TXN_ERR))
+		rtl8180_handle_tx(dev, 1);
+
+	if (reg & (RTL818X_INT_TXL_OK | RTL818X_INT_TXL_ERR))
+		rtl8180_handle_tx(dev, 0);
+
+	if (reg & (RTL818X_INT_RX_OK | RTL818X_INT_RX_ERR))
+		rtl8180_handle_rx(dev);
+
+	spin_unlock(&priv->lock);
+
+	return IRQ_HANDLED;
+}
+
+static int rtl8180_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
+{
+	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+	struct rtl8180_priv *priv = dev->priv;
+	struct rtl8180_tx_ring *ring;
+	struct rtl8180_tx_desc *entry;
+	unsigned long flags;
+	unsigned int idx, prio;
+	dma_addr_t mapping;
+	u32 tx_flags;
+	u8 rc_flags;
+	u16 plcp_len = 0;
+	__le16 rts_duration = 0;
+
+	prio = skb_get_queue_mapping(skb);
+	ring = &priv->tx_ring[prio];
+
+	mapping = pci_map_single(priv->pdev, skb->data,
+				 skb->len, PCI_DMA_TODEVICE);
+
+	tx_flags = RTL818X_TX_DESC_FLAG_OWN | RTL818X_TX_DESC_FLAG_FS |
+		   RTL818X_TX_DESC_FLAG_LS |
+		   (ieee80211_get_tx_rate(dev, info)->hw_value << 24) |
+		   skb->len;
+
+	if (priv->r8185)
+		tx_flags |= RTL818X_TX_DESC_FLAG_DMA |
+			    RTL818X_TX_DESC_FLAG_NO_ENC;
+
+	rc_flags = info->control.rates[0].flags;
+	if (rc_flags & IEEE80211_TX_RC_USE_RTS_CTS) {
+		tx_flags |= RTL818X_TX_DESC_FLAG_RTS;
+		tx_flags |= ieee80211_get_rts_cts_rate(dev, info)->hw_value << 19;
+	} else if (rc_flags & IEEE80211_TX_RC_USE_CTS_PROTECT) {
+		tx_flags |= RTL818X_TX_DESC_FLAG_CTS;
+		tx_flags |= ieee80211_get_rts_cts_rate(dev, info)->hw_value << 19;
+	}
+
+	if (rc_flags & IEEE80211_TX_RC_USE_RTS_CTS)
+		rts_duration = ieee80211_rts_duration(dev, priv->vif, skb->len,
+						      info);
+
+	if (!priv->r8185) {
+		unsigned int remainder;
+
+		plcp_len = DIV_ROUND_UP(16 * (skb->len + 4),
+				(ieee80211_get_tx_rate(dev, info)->bitrate * 2) / 10);
+		remainder = (16 * (skb->len + 4)) %
+			    ((ieee80211_get_tx_rate(dev, info)->bitrate * 2) / 10);
+		if (remainder <= 6)
+			plcp_len |= 1 << 15;
+	}
+
+	spin_lock_irqsave(&priv->lock, flags);
+
+	if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) {
+		if (info->flags & IEEE80211_TX_CTL_FIRST_FRAGMENT)
+			priv->seqno += 0x10;
+		hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG);
+		hdr->seq_ctrl |= cpu_to_le16(priv->seqno);
+	}
+
+	idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
+	entry = &ring->desc[idx];
+
+	entry->rts_duration = rts_duration;
+	entry->plcp_len = cpu_to_le16(plcp_len);
+	entry->tx_buf = cpu_to_le32(mapping);
+	entry->frame_len = cpu_to_le32(skb->len);
+	entry->flags2 = info->control.rates[1].idx >= 0 ?
+		ieee80211_get_alt_retry_rate(dev, info, 0)->bitrate << 4 : 0;
+	entry->retry_limit = info->control.rates[0].count;
+	entry->flags = cpu_to_le32(tx_flags);
+	__skb_queue_tail(&ring->queue, skb);
+	if (ring->entries - skb_queue_len(&ring->queue) < 2)
+		ieee80211_stop_queue(dev, prio);
+
+	spin_unlock_irqrestore(&priv->lock, flags);
+
+	rtl818x_iowrite8(priv, &priv->map->TX_DMA_POLLING, (1 << (prio + 4)));
+
+	return 0;
+}
+
+void rtl8180_set_anaparam(struct rtl8180_priv *priv, u32 anaparam)
+{
+	u8 reg;
+
+	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, anaparam);
+	rtl818x_iowrite8(priv, &priv->map->CONFIG3,
+		 reg & ~RTL818X_CONFIG3_ANAPARAM_WRITE);
+	rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL);
+}
+
+static int rtl8180_init_hw(struct ieee80211_hw *dev)
+{
+	struct rtl8180_priv *priv = dev->priv;
+	u16 reg;
+
+	rtl818x_iowrite8(priv, &priv->map->CMD, 0);
+	rtl818x_ioread8(priv, &priv->map->CMD);
+	msleep(10);
+
+	/* reset */
+	rtl818x_iowrite16(priv, &priv->map->INT_MASK, 0);
+	rtl818x_ioread8(priv, &priv->map->CMD);
+
+	reg = rtl818x_ioread8(priv, &priv->map->CMD);
+	reg &= (1 << 1);
+	reg |= RTL818X_CMD_RESET;
+	rtl818x_iowrite8(priv, &priv->map->CMD, RTL818X_CMD_RESET);
+	rtl818x_ioread8(priv, &priv->map->CMD);
+	msleep(200);
+
+	/* check success of reset */
+	if (rtl818x_ioread8(priv, &priv->map->CMD) & RTL818X_CMD_RESET) {
+		wiphy_err(dev->wiphy, "reset timeout!\n");
+		return -ETIMEDOUT;
+	}
+
+	rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_LOAD);
+	rtl818x_ioread8(priv, &priv->map->CMD);
+	msleep(200);
+
+	if (rtl818x_ioread8(priv, &priv->map->CONFIG3) & (1 << 3)) {
+		/* For cardbus */
+		reg = rtl818x_ioread8(priv, &priv->map->CONFIG3);
+		reg |= 1 << 1;
+		rtl818x_iowrite8(priv, &priv->map->CONFIG3, reg);
+		reg = rtl818x_ioread16(priv, &priv->map->FEMR);
+		reg |= (1 << 15) | (1 << 14) | (1 << 4);
+		rtl818x_iowrite16(priv, &priv->map->FEMR, reg);
+	}
+
+	rtl818x_iowrite8(priv, &priv->map->MSR, 0);
+
+	if (!priv->r8185)
+		rtl8180_set_anaparam(priv, priv->anaparam);
+
+	rtl818x_iowrite32(priv, &priv->map->RDSAR, priv->rx_ring_dma);
+	rtl818x_iowrite32(priv, &priv->map->TBDA, priv->tx_ring[3].dma);
+	rtl818x_iowrite32(priv, &priv->map->THPDA, priv->tx_ring[2].dma);
+	rtl818x_iowrite32(priv, &priv->map->TNPDA, priv->tx_ring[1].dma);
+	rtl818x_iowrite32(priv, &priv->map->TLPDA, priv->tx_ring[0].dma);
+
+	/* TODO: necessary? specs indicate not */
+	rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_CONFIG);
+	reg = rtl818x_ioread8(priv, &priv->map->CONFIG2);
+	rtl818x_iowrite8(priv, &priv->map->CONFIG2, reg & ~(1 << 3));
+	if (priv->r8185) {
+		reg = rtl818x_ioread8(priv, &priv->map->CONFIG2);
+		rtl818x_iowrite8(priv, &priv->map->CONFIG2, reg | (1 << 4));
+	}
+	rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL);
+
+	/* TODO: set CONFIG5 for calibrating AGC on rtl8180 + philips radio? */
+
+	/* TODO: turn off hw wep on rtl8180 */
+
+	rtl818x_iowrite32(priv, &priv->map->INT_TIMEOUT, 0);
+
+	if (priv->r8185) {
+		rtl818x_iowrite8(priv, &priv->map->WPA_CONF, 0);
+		rtl818x_iowrite8(priv, &priv->map->RATE_FALLBACK, 0x81);
+		rtl818x_iowrite8(priv, &priv->map->RESP_RATE, (8 << 4) | 0);
+
+		rtl818x_iowrite16(priv, &priv->map->BRSR, 0x01F3);
+
+		/* TODO: set ClkRun enable? necessary? */
+		reg = rtl818x_ioread8(priv, &priv->map->GP_ENABLE);
+		rtl818x_iowrite8(priv, &priv->map->GP_ENABLE, reg & ~(1 << 6));
+		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 | (1 << 2));
+		rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL);
+	} else {
+		rtl818x_iowrite16(priv, &priv->map->BRSR, 0x1);
+		rtl818x_iowrite8(priv, &priv->map->SECURITY, 0);
+
+		rtl818x_iowrite8(priv, &priv->map->PHY_DELAY, 0x6);
+		rtl818x_iowrite8(priv, &priv->map->CARRIER_SENSE_COUNTER, 0x4C);
+	}
+
+	priv->rf->init(dev);
+	if (priv->r8185)
+		rtl818x_iowrite16(priv, &priv->map->BRSR, 0x01F3);
+	return 0;
+}
+
+static int rtl8180_init_rx_ring(struct ieee80211_hw *dev)
+{
+	struct rtl8180_priv *priv = dev->priv;
+	struct rtl8180_rx_desc *entry;
+	int i;
+
+	priv->rx_ring = pci_alloc_consistent(priv->pdev,
+					     sizeof(*priv->rx_ring) * 32,
+					     &priv->rx_ring_dma);
+
+	if (!priv->rx_ring || (unsigned long)priv->rx_ring & 0xFF) {
+		wiphy_err(dev->wiphy, "Cannot allocate RX ring\n");
+		return -ENOMEM;
+	}
+
+	memset(priv->rx_ring, 0, sizeof(*priv->rx_ring) * 32);
+	priv->rx_idx = 0;
+
+	for (i = 0; i < 32; i++) {
+		struct sk_buff *skb = dev_alloc_skb(MAX_RX_SIZE);
+		dma_addr_t *mapping;
+		entry = &priv->rx_ring[i];
+		if (!skb)
+			return 0;
+
+		priv->rx_buf[i] = skb;
+		mapping = (dma_addr_t *)skb->cb;
+		*mapping = pci_map_single(priv->pdev, skb_tail_pointer(skb),
+					  MAX_RX_SIZE, PCI_DMA_FROMDEVICE);
+		entry->rx_buf = cpu_to_le32(*mapping);
+		entry->flags = cpu_to_le32(RTL818X_RX_DESC_FLAG_OWN |
+					   MAX_RX_SIZE);
+	}
+	entry->flags |= cpu_to_le32(RTL818X_RX_DESC_FLAG_EOR);
+	return 0;
+}
+
+static void rtl8180_free_rx_ring(struct ieee80211_hw *dev)
+{
+	struct rtl8180_priv *priv = dev->priv;
+	int i;
+
+	for (i = 0; i < 32; i++) {
+		struct sk_buff *skb = priv->rx_buf[i];
+		if (!skb)
+			continue;
+
+		pci_unmap_single(priv->pdev,
+				 *((dma_addr_t *)skb->cb),
+				 MAX_RX_SIZE, PCI_DMA_FROMDEVICE);
+		kfree_skb(skb);
+	}
+
+	pci_free_consistent(priv->pdev, sizeof(*priv->rx_ring) * 32,
+			    priv->rx_ring, priv->rx_ring_dma);
+	priv->rx_ring = NULL;
+}
+
+static int rtl8180_init_tx_ring(struct ieee80211_hw *dev,
+				unsigned int prio, unsigned int entries)
+{
+	struct rtl8180_priv *priv = dev->priv;
+	struct rtl8180_tx_desc *ring;
+	dma_addr_t dma;
+	int i;
+
+	ring = pci_alloc_consistent(priv->pdev, sizeof(*ring) * entries, &dma);
+	if (!ring || (unsigned long)ring & 0xFF) {
+		wiphy_err(dev->wiphy, "Cannot allocate TX ring (prio = %d)\n",
+			  prio);
+		return -ENOMEM;
+	}
+
+	memset(ring, 0, sizeof(*ring)*entries);
+	priv->tx_ring[prio].desc = ring;
+	priv->tx_ring[prio].dma = dma;
+	priv->tx_ring[prio].idx = 0;
+	priv->tx_ring[prio].entries = entries;
+	skb_queue_head_init(&priv->tx_ring[prio].queue);
+
+	for (i = 0; i < entries; i++)
+		ring[i].next_tx_desc =
+			cpu_to_le32((u32)dma + ((i + 1) % entries) * sizeof(*ring));
+
+	return 0;
+}
+
+static void rtl8180_free_tx_ring(struct ieee80211_hw *dev, unsigned int prio)
+{
+	struct rtl8180_priv *priv = dev->priv;
+	struct rtl8180_tx_ring *ring = &priv->tx_ring[prio];
+
+	while (skb_queue_len(&ring->queue)) {
+		struct rtl8180_tx_desc *entry = &ring->desc[ring->idx];
+		struct sk_buff *skb = __skb_dequeue(&ring->queue);
+
+		pci_unmap_single(priv->pdev, le32_to_cpu(entry->tx_buf),
+				 skb->len, PCI_DMA_TODEVICE);
+		kfree_skb(skb);
+		ring->idx = (ring->idx + 1) % ring->entries;
+	}
+
+	pci_free_consistent(priv->pdev, sizeof(*ring->desc)*ring->entries,
+			    ring->desc, ring->dma);
+	ring->desc = NULL;
+}
+
+static int rtl8180_start(struct ieee80211_hw *dev)
+{
+	struct rtl8180_priv *priv = dev->priv;
+	int ret, i;
+	u32 reg;
+
+	ret = rtl8180_init_rx_ring(dev);
+	if (ret)
+		return ret;
+
+	for (i = 0; i < 4; i++)
+		if ((ret = rtl8180_init_tx_ring(dev, i, 16)))
+			goto err_free_rings;
+
+	ret = rtl8180_init_hw(dev);
+	if (ret)
+		goto err_free_rings;
+
+	rtl818x_iowrite32(priv, &priv->map->RDSAR, priv->rx_ring_dma);
+	rtl818x_iowrite32(priv, &priv->map->TBDA, priv->tx_ring[3].dma);
+	rtl818x_iowrite32(priv, &priv->map->THPDA, priv->tx_ring[2].dma);
+	rtl818x_iowrite32(priv, &priv->map->TNPDA, priv->tx_ring[1].dma);
+	rtl818x_iowrite32(priv, &priv->map->TLPDA, priv->tx_ring[0].dma);
+
+	ret = request_irq(priv->pdev->irq, rtl8180_interrupt,
+			  IRQF_SHARED, KBUILD_MODNAME, dev);
+	if (ret) {
+		wiphy_err(dev->wiphy, "failed to register IRQ handler\n");
+		goto err_free_rings;
+	}
+
+	rtl818x_iowrite16(priv, &priv->map->INT_MASK, 0xFFFF);
+
+	rtl818x_iowrite32(priv, &priv->map->MAR[0], ~0);
+	rtl818x_iowrite32(priv, &priv->map->MAR[1], ~0);
+
+	reg = RTL818X_RX_CONF_ONLYERLPKT |
+	      RTL818X_RX_CONF_RX_AUTORESETPHY |
+	      RTL818X_RX_CONF_MGMT |
+	      RTL818X_RX_CONF_DATA |
+	      (7 << 8 /* MAX RX DMA */) |
+	      RTL818X_RX_CONF_BROADCAST |
+	      RTL818X_RX_CONF_NICMAC;
+
+	if (priv->r8185)
+		reg |= RTL818X_RX_CONF_CSDM1 | RTL818X_RX_CONF_CSDM2;
+	else {
+		reg |= (priv->rfparam & RF_PARAM_CARRIERSENSE1)
+			? RTL818X_RX_CONF_CSDM1 : 0;
+		reg |= (priv->rfparam & RF_PARAM_CARRIERSENSE2)
+			? RTL818X_RX_CONF_CSDM2 : 0;
+	}
+
+	priv->rx_conf = reg;
+	rtl818x_iowrite32(priv, &priv->map->RX_CONF, reg);
+
+	if (priv->r8185) {
+		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);
+
+		/* disable early TX */
+		rtl818x_iowrite8(priv, (u8 __iomem *)priv->map + 0xec, 0x3f);
+	}
+
+	reg = rtl818x_ioread32(priv, &priv->map->TX_CONF);
+	reg |= (6 << 21 /* MAX TX DMA */) |
+	       RTL818X_TX_CONF_NO_ICV;
+
+	if (priv->r8185)
+		reg &= ~RTL818X_TX_CONF_PROBE_DTS;
+	else
+		reg &= ~RTL818X_TX_CONF_HW_SEQNUM;
+
+	/* different meaning, same value on both rtl8185 and rtl8180 */
+	reg &= ~RTL818X_TX_CONF_SAT_HWPLCP;
+
+	rtl818x_iowrite32(priv, &priv->map->TX_CONF, reg);
+
+	reg = rtl818x_ioread8(priv, &priv->map->CMD);
+	reg |= RTL818X_CMD_RX_ENABLE;
+	reg |= RTL818X_CMD_TX_ENABLE;
+	rtl818x_iowrite8(priv, &priv->map->CMD, reg);
+
+	return 0;
+
+ err_free_rings:
+	rtl8180_free_rx_ring(dev);
+	for (i = 0; i < 4; i++)
+		if (priv->tx_ring[i].desc)
+			rtl8180_free_tx_ring(dev, i);
+
+	return ret;
+}
+
+static void rtl8180_stop(struct ieee80211_hw *dev)
+{
+	struct rtl8180_priv *priv = dev->priv;
+	u8 reg;
+	int i;
+
+	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);
+
+	free_irq(priv->pdev->irq, dev);
+
+	rtl8180_free_rx_ring(dev);
+	for (i = 0; i < 4; i++)
+		rtl8180_free_tx_ring(dev, i);
+}
+
+static u64 rtl8180_get_tsf(struct ieee80211_hw *dev)
+{
+	struct rtl8180_priv *priv = dev->priv;
+
+	return rtl818x_ioread32(priv, &priv->map->TSFT[0]) |
+	       (u64)(rtl818x_ioread32(priv, &priv->map->TSFT[1])) << 32;
+}
+
+static void rtl8180_beacon_work(struct work_struct *work)
+{
+	struct rtl8180_vif *vif_priv =
+		container_of(work, struct rtl8180_vif, beacon_work.work);
+	struct ieee80211_vif *vif =
+		container_of((void *)vif_priv, struct ieee80211_vif, drv_priv);
+	struct ieee80211_hw *dev = vif_priv->dev;
+	struct ieee80211_mgmt *mgmt;
+	struct sk_buff *skb;
+	int err = 0;
+
+	/* don't overflow the tx ring */
+	if (ieee80211_queue_stopped(dev, 0))
+		goto resched;
+
+	/* grab a fresh beacon */
+	skb = ieee80211_beacon_get(dev, vif);
+	if (!skb)
+		goto resched;
+
+	/*
+	 * update beacon timestamp w/ TSF value
+	 * TODO: make hardware update beacon timestamp
+	 */
+	mgmt = (struct ieee80211_mgmt *)skb->data;
+	mgmt->u.beacon.timestamp = cpu_to_le64(rtl8180_get_tsf(dev));
+
+	/* TODO: use actual beacon queue */
+	skb_set_queue_mapping(skb, 0);
+
+	err = rtl8180_tx(dev, skb);
+	WARN_ON(err);
+
+resched:
+	/*
+	 * schedule next beacon
+	 * TODO: use hardware support for beacon timing
+	 */
+	schedule_delayed_work(&vif_priv->beacon_work,
+			usecs_to_jiffies(1024 * vif->bss_conf.beacon_int));
+}
+
+static int rtl8180_add_interface(struct ieee80211_hw *dev,
+				 struct ieee80211_vif *vif)
+{
+	struct rtl8180_priv *priv = dev->priv;
+	struct rtl8180_vif *vif_priv;
+
+	/*
+	 * We only support one active interface at a time.
+	 */
+	if (priv->vif)
+		return -EBUSY;
+
+	switch (vif->type) {
+	case NL80211_IFTYPE_STATION:
+	case NL80211_IFTYPE_ADHOC:
+		break;
+	default:
+		return -EOPNOTSUPP;
+	}
+
+	priv->vif = vif;
+
+	/* Initialize driver private area */
+	vif_priv = (struct rtl8180_vif *)&vif->drv_priv;
+	vif_priv->dev = dev;
+	INIT_DELAYED_WORK(&vif_priv->beacon_work, rtl8180_beacon_work);
+	vif_priv->enable_beacon = false;
+
+	rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_CONFIG);
+	rtl818x_iowrite32(priv, (__le32 __iomem *)&priv->map->MAC[0],
+			  le32_to_cpu(*(__le32 *)vif->addr));
+	rtl818x_iowrite16(priv, (__le16 __iomem *)&priv->map->MAC[4],
+			  le16_to_cpu(*(__le16 *)(vif->addr + 4)));
+	rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL);
+
+	return 0;
+}
+
+static void rtl8180_remove_interface(struct ieee80211_hw *dev,
+				     struct ieee80211_vif *vif)
+{
+	struct rtl8180_priv *priv = dev->priv;
+	priv->vif = NULL;
+}
+
+static int rtl8180_config(struct ieee80211_hw *dev, u32 changed)
+{
+	struct rtl8180_priv *priv = dev->priv;
+	struct ieee80211_conf *conf = &dev->conf;
+
+	priv->rf->set_chan(dev, conf);
+
+	return 0;
+}
+
+static void rtl8180_bss_info_changed(struct ieee80211_hw *dev,
+				     struct ieee80211_vif *vif,
+				     struct ieee80211_bss_conf *info,
+				     u32 changed)
+{
+	struct rtl8180_priv *priv = dev->priv;
+	struct rtl8180_vif *vif_priv;
+	int i;
+	u8 reg;
+
+	vif_priv = (struct rtl8180_vif *)&vif->drv_priv;
+
+	if (changed & BSS_CHANGED_BSSID) {
+		for (i = 0; i < ETH_ALEN; i++)
+			rtl818x_iowrite8(priv, &priv->map->BSSID[i],
+					 info->bssid[i]);
+
+		if (is_valid_ether_addr(info->bssid)) {
+			if (vif->type == NL80211_IFTYPE_ADHOC)
+				reg = RTL818X_MSR_ADHOC;
+			else
+				reg = RTL818X_MSR_INFRA;
+		} else
+			reg = RTL818X_MSR_NO_LINK;
+		rtl818x_iowrite8(priv, &priv->map->MSR, reg);
+	}
+
+	if (changed & BSS_CHANGED_ERP_SLOT && priv->rf->conf_erp)
+		priv->rf->conf_erp(dev, info);
+
+	if (changed & BSS_CHANGED_BEACON_ENABLED)
+		vif_priv->enable_beacon = info->enable_beacon;
+
+	if (changed & (BSS_CHANGED_BEACON_ENABLED | BSS_CHANGED_BEACON)) {
+		cancel_delayed_work_sync(&vif_priv->beacon_work);
+		if (vif_priv->enable_beacon)
+			schedule_work(&vif_priv->beacon_work.work);
+	}
+}
+
+static u64 rtl8180_prepare_multicast(struct ieee80211_hw *dev,
+				     struct netdev_hw_addr_list *mc_list)
+{
+	return netdev_hw_addr_list_count(mc_list);
+}
+
+static void rtl8180_configure_filter(struct ieee80211_hw *dev,
+				     unsigned int changed_flags,
+				     unsigned int *total_flags,
+				     u64 multicast)
+{
+	struct rtl8180_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 || multicast > 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(priv, &priv->map->RX_CONF, priv->rx_conf);
+}
+
+static const struct ieee80211_ops rtl8180_ops = {
+	.tx			= rtl8180_tx,
+	.start			= rtl8180_start,
+	.stop			= rtl8180_stop,
+	.add_interface		= rtl8180_add_interface,
+	.remove_interface	= rtl8180_remove_interface,
+	.config			= rtl8180_config,
+	.bss_info_changed	= rtl8180_bss_info_changed,
+	.prepare_multicast	= rtl8180_prepare_multicast,
+	.configure_filter	= rtl8180_configure_filter,
+	.get_tsf		= rtl8180_get_tsf,
+};
+
+static void rtl8180_eeprom_register_read(struct eeprom_93cx6 *eeprom)
+{
+	struct ieee80211_hw *dev = eeprom->data;
+	struct rtl8180_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 rtl8180_eeprom_register_write(struct eeprom_93cx6 *eeprom)
+{
+	struct ieee80211_hw *dev = eeprom->data;
+	struct rtl8180_priv *priv = dev->priv;
+	u8 reg = 2 << 6;
+
+	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);
+	rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
+	udelay(10);
+}
+
+static int __devinit rtl8180_probe(struct pci_dev *pdev,
+				   const struct pci_device_id *id)
+{
+	struct ieee80211_hw *dev;
+	struct rtl8180_priv *priv;
+	unsigned long mem_addr, mem_len;
+	unsigned int io_addr, io_len;
+	int err, i;
+	struct eeprom_93cx6 eeprom;
+	const char *chip_name, *rf_name = NULL;
+	u32 reg;
+	u16 eeprom_val;
+	u8 mac_addr[ETH_ALEN];
+
+	err = pci_enable_device(pdev);
+	if (err) {
+		printk(KERN_ERR "%s (rtl8180): Cannot enable new PCI device\n",
+		       pci_name(pdev));
+		return err;
+	}
+
+	err = pci_request_regions(pdev, KBUILD_MODNAME);
+	if (err) {
+		printk(KERN_ERR "%s (rtl8180): Cannot obtain PCI resources\n",
+		       pci_name(pdev));
+		return err;
+	}
+
+	io_addr = pci_resource_start(pdev, 0);
+	io_len = pci_resource_len(pdev, 0);
+	mem_addr = pci_resource_start(pdev, 1);
+	mem_len = pci_resource_len(pdev, 1);
+
+	if (mem_len < sizeof(struct rtl818x_csr) ||
+	    io_len < sizeof(struct rtl818x_csr)) {
+		printk(KERN_ERR "%s (rtl8180): Too short PCI resources\n",
+		       pci_name(pdev));
+		err = -ENOMEM;
+		goto err_free_reg;
+	}
+
+	if ((err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) ||
+	    (err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))) {
+		printk(KERN_ERR "%s (rtl8180): No suitable DMA available\n",
+		       pci_name(pdev));
+		goto err_free_reg;
+	}
+
+	pci_set_master(pdev);
+
+	dev = ieee80211_alloc_hw(sizeof(*priv), &rtl8180_ops);
+	if (!dev) {
+		printk(KERN_ERR "%s (rtl8180): ieee80211 alloc failed\n",
+		       pci_name(pdev));
+		err = -ENOMEM;
+		goto err_free_reg;
+	}
+
+	priv = dev->priv;
+	priv->pdev = pdev;
+
+	dev->max_rates = 2;
+	SET_IEEE80211_DEV(dev, &pdev->dev);
+	pci_set_drvdata(pdev, dev);
+
+	priv->map = pci_iomap(pdev, 1, mem_len);
+	if (!priv->map)
+		priv->map = pci_iomap(pdev, 0, io_len);
+
+	if (!priv->map) {
+		printk(KERN_ERR "%s (rtl8180): Cannot map device memory\n",
+		       pci_name(pdev));
+		goto err_free_dev;
+	}
+
+	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->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 = 4;
+	dev->wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band;
+
+	dev->flags = IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
+		     IEEE80211_HW_RX_INCLUDES_FCS |
+		     IEEE80211_HW_SIGNAL_UNSPEC;
+	dev->vif_data_size = sizeof(struct rtl8180_vif);
+	dev->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
+					BIT(NL80211_IFTYPE_ADHOC);
+	dev->queues = 1;
+	dev->max_signal = 65;
+
+	reg = rtl818x_ioread32(priv, &priv->map->TX_CONF);
+	reg &= RTL818X_TX_CONF_HWVER_MASK;
+	switch (reg) {
+	case RTL818X_TX_CONF_R8180_ABCD:
+		chip_name = "RTL8180";
+		break;
+	case RTL818X_TX_CONF_R8180_F:
+		chip_name = "RTL8180vF";
+		break;
+	case RTL818X_TX_CONF_R8185_ABC:
+		chip_name = "RTL8185";
+		break;
+	case RTL818X_TX_CONF_R8185_D:
+		chip_name = "RTL8185vD";
+		break;
+	default:
+		printk(KERN_ERR "%s (rtl8180): Unknown chip! (0x%x)\n",
+		       pci_name(pdev), reg >> 25);
+		goto err_iounmap;
+	}
+
+	priv->r8185 = reg & RTL818X_TX_CONF_R8185_ABC;
+	if (priv->r8185) {
+		priv->band.n_bitrates = ARRAY_SIZE(rtl818x_rates);
+		pci_try_set_mwi(pdev);
+	}
+
+	eeprom.data = dev;
+	eeprom.register_read = rtl8180_eeprom_register_read;
+	eeprom.register_write = rtl8180_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_PROGRAM);
+	rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
+	udelay(10);
+
+	eeprom_93cx6_read(&eeprom, 0x06, &eeprom_val);
+	eeprom_val &= 0xFF;
+	switch (eeprom_val) {
+	case 1:	rf_name = "Intersil";
+		break;
+	case 2:	rf_name = "RFMD";
+		break;
+	case 3:	priv->rf = &sa2400_rf_ops;
+		break;
+	case 4:	priv->rf = &max2820_rf_ops;
+		break;
+	case 5:	priv->rf = &grf5101_rf_ops;
+		break;
+	case 9:	priv->rf = rtl8180_detect_rf(dev);
+		break;
+	case 10:
+		rf_name = "RTL8255";
+		break;
+	default:
+		printk(KERN_ERR "%s (rtl8180): Unknown RF! (0x%x)\n",
+		       pci_name(pdev), eeprom_val);
+		goto err_iounmap;
+	}
+
+	if (!priv->rf) {
+		printk(KERN_ERR "%s (rtl8180): %s RF frontend not supported!\n",
+		       pci_name(pdev), rf_name);
+		goto err_iounmap;
+	}
+
+	eeprom_93cx6_read(&eeprom, 0x17, &eeprom_val);
+	priv->csthreshold = eeprom_val >> 8;
+	if (!priv->r8185) {
+		__le32 anaparam;
+		eeprom_93cx6_multiread(&eeprom, 0xD, (__le16 *)&anaparam, 2);
+		priv->anaparam = le32_to_cpu(anaparam);
+		eeprom_93cx6_read(&eeprom, 0x19, &priv->rfparam);
+	}
+
+	eeprom_93cx6_multiread(&eeprom, 0x7, (__le16 *)mac_addr, 3);
+	if (!is_valid_ether_addr(mac_addr)) {
+		printk(KERN_WARNING "%s (rtl8180): Invalid hwaddr! Using"
+		       " randomly generated MAC addr\n", pci_name(pdev));
+		random_ether_addr(mac_addr);
+	}
+	SET_IEEE80211_PERM_ADDR(dev, mac_addr);
+
+	/* CCK TX power */
+	for (i = 0; i < 14; i += 2) {
+		u16 txpwr;
+		eeprom_93cx6_read(&eeprom, 0x10 + (i >> 1), &txpwr);
+		priv->channels[i].hw_value = txpwr & 0xFF;
+		priv->channels[i + 1].hw_value = txpwr >> 8;
+	}
+
+	/* OFDM TX power */
+	if (priv->r8185) {
+		for (i = 0; i < 14; i += 2) {
+			u16 txpwr;
+			eeprom_93cx6_read(&eeprom, 0x20 + (i >> 1), &txpwr);
+			priv->channels[i].hw_value |= (txpwr & 0xFF) << 8;
+			priv->channels[i + 1].hw_value |= txpwr & 0xFF00;
+		}
+	}
+
+	rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL);
+
+	spin_lock_init(&priv->lock);
+
+	err = ieee80211_register_hw(dev);
+	if (err) {
+		printk(KERN_ERR "%s (rtl8180): Cannot register device\n",
+		       pci_name(pdev));
+		goto err_iounmap;
+	}
+
+	wiphy_info(dev->wiphy, "hwaddr %pm, %s + %s\n",
+		   mac_addr, chip_name, priv->rf->name);
+
+	return 0;
+
+ err_iounmap:
+	iounmap(priv->map);
+
+ err_free_dev:
+	pci_set_drvdata(pdev, NULL);
+	ieee80211_free_hw(dev);
+
+ err_free_reg:
+	pci_release_regions(pdev);
+	pci_disable_device(pdev);
+	return err;
+}
+
+static void __devexit rtl8180_remove(struct pci_dev *pdev)
+{
+	struct ieee80211_hw *dev = pci_get_drvdata(pdev);
+	struct rtl8180_priv *priv;
+
+	if (!dev)
+		return;
+
+	ieee80211_unregister_hw(dev);
+
+	priv = dev->priv;
+
+	pci_iounmap(pdev, priv->map);
+	pci_release_regions(pdev);
+	pci_disable_device(pdev);
+	ieee80211_free_hw(dev);
+}
+
+#ifdef CONFIG_PM
+static int rtl8180_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+	pci_save_state(pdev);
+	pci_set_power_state(pdev, pci_choose_state(pdev, state));
+	return 0;
+}
+
+static int rtl8180_resume(struct pci_dev *pdev)
+{
+	pci_set_power_state(pdev, PCI_D0);
+	pci_restore_state(pdev);
+	return 0;
+}
+
+#endif /* CONFIG_PM */
+
+static struct pci_driver rtl8180_driver = {
+	.name		= KBUILD_MODNAME,
+	.id_table	= rtl8180_table,
+	.probe		= rtl8180_probe,
+	.remove		= __devexit_p(rtl8180_remove),
+#ifdef CONFIG_PM
+	.suspend	= rtl8180_suspend,
+	.resume		= rtl8180_resume,
+#endif /* CONFIG_PM */
+};
+
+static int __init rtl8180_init(void)
+{
+	return pci_register_driver(&rtl8180_driver);
+}
+
+static void __exit rtl8180_exit(void)
+{
+	pci_unregister_driver(&rtl8180_driver);
+}
+
+module_init(rtl8180_init);
+module_exit(rtl8180_exit);
diff --git a/drivers/net/wireless/rtl818x/rtl8180/grf5101.c b/drivers/net/wireless/rtl818x/rtl8180/grf5101.c
new file mode 100644
index 00000000000..5ee7589dd54
--- /dev/null
+++ b/drivers/net/wireless/rtl818x/rtl8180/grf5101.c
@@ -0,0 +1,190 @@
+
+/*
+ * Radio tuning for GCT GRF5101 on RTL8180
+ *
+ * Copyright 2007 Andrea Merello <andreamrl@tiscali.it>
+ *
+ * Code from the BSD driver and the rtl8181 project have been
+ * very useful to understand certain things
+ *
+ * I want to thanks the Authors of such projects and the Ndiswrapper
+ * project Authors.
+ *
+ * A special Big Thanks also is for all people who donated me cards,
+ * making possible the creation of the original rtl8180 driver
+ * from which this code is derived!
+ *
+ * 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/pci.h>
+#include <linux/delay.h>
+#include <net/mac80211.h>
+
+#include "rtl8180.h"
+#include "grf5101.h"
+
+static const int grf5101_encode[] = {
+	0x0, 0x8, 0x4, 0xC,
+	0x2, 0xA, 0x6, 0xE,
+	0x1, 0x9, 0x5, 0xD,
+	0x3, 0xB, 0x7, 0xF
+};
+
+static void write_grf5101(struct ieee80211_hw *dev, u8 addr, u32 data)
+{
+	struct rtl8180_priv *priv = dev->priv;
+	u32 phy_config;
+
+	phy_config =  grf5101_encode[(data >> 8) & 0xF];
+	phy_config |= grf5101_encode[(data >> 4) & 0xF] << 4;
+	phy_config |= grf5101_encode[data & 0xF] << 8;
+	phy_config |= grf5101_encode[(addr >> 1) & 0xF] << 12;
+	phy_config |= (addr & 1) << 16;
+	phy_config |= grf5101_encode[(data & 0xf000) >> 12] << 24;
+
+	/* MAC will bang bits to the chip */
+	phy_config |= 0x90000000;
+
+	rtl818x_iowrite32(priv,
+		(__le32 __iomem *) &priv->map->RFPinsOutput, phy_config);
+
+	msleep(3);
+}
+
+static void grf5101_write_phy_antenna(struct ieee80211_hw *dev, short chan)
+{
+	struct rtl8180_priv *priv = dev->priv;
+	u8 ant = GRF5101_ANTENNA;
+
+	if (priv->rfparam & RF_PARAM_ANTBDEFAULT)
+		ant |= BB_ANTENNA_B;
+
+	if (chan == 14)
+		ant |= BB_ANTATTEN_CHAN14;
+
+	rtl8180_write_phy(dev, 0x10, ant);
+}
+
+static u8 grf5101_rf_calc_rssi(u8 agc, u8 sq)
+{
+	if (agc > 60)
+		return 65;
+
+	/* TODO(?): just return agc (or agc + 5) to avoid mult / div */
+	return 65 * agc / 60;
+}
+
+static void grf5101_rf_set_channel(struct ieee80211_hw *dev,
+				   struct ieee80211_conf *conf)
+{
+	struct rtl8180_priv *priv = dev->priv;
+	int channel = ieee80211_frequency_to_channel(conf->channel->center_freq);
+	u32 txpw = priv->channels[channel - 1].hw_value & 0xFF;
+	u32 chan = channel - 1;
+
+	/* set TX power */
+	write_grf5101(dev, 0x15, 0x0);
+	write_grf5101(dev, 0x06, txpw);
+	write_grf5101(dev, 0x15, 0x10);
+	write_grf5101(dev, 0x15, 0x0);
+
+	/* set frequency */
+	write_grf5101(dev, 0x07, 0x0);
+	write_grf5101(dev, 0x0B, chan);
+	write_grf5101(dev, 0x07, 0x1000);
+
+	grf5101_write_phy_antenna(dev, channel);
+}
+
+static void grf5101_rf_stop(struct ieee80211_hw *dev)
+{
+	struct rtl8180_priv *priv = dev->priv;
+	u32 anaparam;
+
+	anaparam = priv->anaparam;
+	anaparam &= 0x000fffff;
+	anaparam |= 0x3f900000;
+	rtl8180_set_anaparam(priv, anaparam);
+
+	write_grf5101(dev, 0x07, 0x0);
+	write_grf5101(dev, 0x1f, 0x45);
+	write_grf5101(dev, 0x1f, 0x5);
+	write_grf5101(dev, 0x00, 0x8e4);
+}
+
+static void grf5101_rf_init(struct ieee80211_hw *dev)
+{
+	struct rtl8180_priv *priv = dev->priv;
+
+	rtl8180_set_anaparam(priv, priv->anaparam);
+
+	write_grf5101(dev, 0x1f, 0x0);
+	write_grf5101(dev, 0x1f, 0x0);
+	write_grf5101(dev, 0x1f, 0x40);
+	write_grf5101(dev, 0x1f, 0x60);
+	write_grf5101(dev, 0x1f, 0x61);
+	write_grf5101(dev, 0x1f, 0x61);
+	write_grf5101(dev, 0x00, 0xae4);
+	write_grf5101(dev, 0x1f, 0x1);
+	write_grf5101(dev, 0x1f, 0x41);
+	write_grf5101(dev, 0x1f, 0x61);
+
+	write_grf5101(dev, 0x01, 0x1a23);
+	write_grf5101(dev, 0x02, 0x4971);
+	write_grf5101(dev, 0x03, 0x41de);
+	write_grf5101(dev, 0x04, 0x2d80);
+	write_grf5101(dev, 0x05, 0x68ff);	/* 0x61ff original value */
+	write_grf5101(dev, 0x06, 0x0);
+	write_grf5101(dev, 0x07, 0x0);
+	write_grf5101(dev, 0x08, 0x7533);
+	write_grf5101(dev, 0x09, 0xc401);
+	write_grf5101(dev, 0x0a, 0x0);
+	write_grf5101(dev, 0x0c, 0x1c7);
+	write_grf5101(dev, 0x0d, 0x29d3);
+	write_grf5101(dev, 0x0e, 0x2e8);
+	write_grf5101(dev, 0x10, 0x192);
+	write_grf5101(dev, 0x11, 0x248);
+	write_grf5101(dev, 0x12, 0x0);
+	write_grf5101(dev, 0x13, 0x20c4);
+	write_grf5101(dev, 0x14, 0xf4fc);
+	write_grf5101(dev, 0x15, 0x0);
+	write_grf5101(dev, 0x16, 0x1500);
+
+	write_grf5101(dev, 0x07, 0x1000);
+
+	/* baseband configuration */
+	rtl8180_write_phy(dev, 0, 0xa8);
+	rtl8180_write_phy(dev, 3, 0x0);
+	rtl8180_write_phy(dev, 4, 0xc0);
+	rtl8180_write_phy(dev, 5, 0x90);
+	rtl8180_write_phy(dev, 6, 0x1e);
+	rtl8180_write_phy(dev, 7, 0x64);
+
+	grf5101_write_phy_antenna(dev, 1);
+
+	rtl8180_write_phy(dev, 0x11, 0x88);
+
+	if (rtl818x_ioread8(priv, &priv->map->CONFIG2) &
+	    RTL818X_CONFIG2_ANTENNA_DIV)
+		rtl8180_write_phy(dev, 0x12, 0xc0); /* enable ant diversity */
+	else
+		rtl8180_write_phy(dev, 0x12, 0x40); /* disable ant diversity */
+
+	rtl8180_write_phy(dev, 0x13, 0x90 | priv->csthreshold);
+
+	rtl8180_write_phy(dev, 0x19, 0x0);
+	rtl8180_write_phy(dev, 0x1a, 0xa0);
+	rtl8180_write_phy(dev, 0x1b, 0x44);
+}
+
+const struct rtl818x_rf_ops grf5101_rf_ops = {
+	.name		= "GCT",
+	.init		= grf5101_rf_init,
+	.stop		= grf5101_rf_stop,
+	.set_chan	= grf5101_rf_set_channel,
+	.calc_rssi	= grf5101_rf_calc_rssi,
+};
diff --git a/drivers/net/wireless/rtl818x/rtl8180/grf5101.h b/drivers/net/wireless/rtl818x/rtl8180/grf5101.h
new file mode 100644
index 00000000000..76647111bcf
--- /dev/null
+++ b/drivers/net/wireless/rtl818x/rtl8180/grf5101.h
@@ -0,0 +1,28 @@
+#ifndef RTL8180_GRF5101_H
+#define RTL8180_GRF5101_H
+
+/*
+ * Radio tuning for GCT GRF5101 on RTL8180
+ *
+ * Copyright 2007 Andrea Merello <andreamrl@tiscali.it>
+ *
+ * Code from the BSD driver and the rtl8181 project have been
+ * very useful to understand certain things
+ *
+ * I want to thanks the Authors of such projects and the Ndiswrapper
+ * project Authors.
+ *
+ * A special Big Thanks also is for all people who donated me cards,
+ * making possible the creation of the original rtl8180 driver
+ * from which this code is derived!
+ *
+ * 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.
+ */
+
+#define GRF5101_ANTENNA 0xA3
+
+extern const struct rtl818x_rf_ops grf5101_rf_ops;
+
+#endif /* RTL8180_GRF5101_H */
diff --git a/drivers/net/wireless/rtl818x/rtl8180/max2820.c b/drivers/net/wireless/rtl818x/rtl8180/max2820.c
new file mode 100644
index 00000000000..667b3363d43
--- /dev/null
+++ b/drivers/net/wireless/rtl818x/rtl8180/max2820.c
@@ -0,0 +1,169 @@
+/*
+ * Radio tuning for Maxim max2820 on RTL8180
+ *
+ * Copyright 2007 Andrea Merello <andreamrl@tiscali.it>
+ *
+ * Code from the BSD driver and the rtl8181 project have been
+ * very useful to understand certain things
+ *
+ * I want to thanks the Authors of such projects and the Ndiswrapper
+ * project Authors.
+ *
+ * A special Big Thanks also is for all people who donated me cards,
+ * making possible the creation of the original rtl8180 driver
+ * from which this code is derived!
+ *
+ * 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/pci.h>
+#include <linux/delay.h>
+#include <net/mac80211.h>
+
+#include "rtl8180.h"
+#include "max2820.h"
+
+static const u32 max2820_chan[] = {
+	12, /* CH 1 */
+	17,
+	22,
+	27,
+	32,
+	37,
+	42,
+	47,
+	52,
+	57,
+	62,
+	67,
+	72,
+	84, /* CH 14 */
+};
+
+static void write_max2820(struct ieee80211_hw *dev, u8 addr, u32 data)
+{
+	struct rtl8180_priv *priv = dev->priv;
+	u32 phy_config;
+
+	phy_config = 0x90 + (data & 0xf);
+	phy_config <<= 16;
+	phy_config += addr;
+	phy_config <<= 8;
+	phy_config += (data >> 4) & 0xff;
+
+	rtl818x_iowrite32(priv,
+		(__le32 __iomem *) &priv->map->RFPinsOutput, phy_config);
+
+	msleep(1);
+}
+
+static void max2820_write_phy_antenna(struct ieee80211_hw *dev, short chan)
+{
+	struct rtl8180_priv *priv = dev->priv;
+	u8 ant;
+
+	ant = MAXIM_ANTENNA;
+	if (priv->rfparam & RF_PARAM_ANTBDEFAULT)
+		ant |= BB_ANTENNA_B;
+	if (chan == 14)
+		ant |= BB_ANTATTEN_CHAN14;
+
+	rtl8180_write_phy(dev, 0x10, ant);
+}
+
+static u8 max2820_rf_calc_rssi(u8 agc, u8 sq)
+{
+	bool odd;
+
+	odd = !!(agc & 1);
+
+	agc >>= 1;
+	if (odd)
+		agc += 76;
+	else
+		agc += 66;
+
+	/* TODO: change addends above to avoid mult / div below */
+	return 65 * agc / 100;
+}
+
+static void max2820_rf_set_channel(struct ieee80211_hw *dev,
+				   struct ieee80211_conf *conf)
+{
+	struct rtl8180_priv *priv = dev->priv;
+	int channel = conf ?
+		ieee80211_frequency_to_channel(conf->channel->center_freq) : 1;
+	unsigned int chan_idx = channel - 1;
+	u32 txpw = priv->channels[chan_idx].hw_value & 0xFF;
+	u32 chan = max2820_chan[chan_idx];
+
+	/* While philips SA2400 drive the PA bias from
+	 * sa2400, for MAXIM we do this directly from BB */
+	rtl8180_write_phy(dev, 3, txpw);
+
+	max2820_write_phy_antenna(dev, channel);
+	write_max2820(dev, 3, chan);
+}
+
+static void max2820_rf_stop(struct ieee80211_hw *dev)
+{
+	rtl8180_write_phy(dev, 3, 0x8);
+	write_max2820(dev, 1, 0);
+}
+
+
+static void max2820_rf_init(struct ieee80211_hw *dev)
+{
+	struct rtl8180_priv *priv = dev->priv;
+
+	/* MAXIM from netbsd driver */
+	write_max2820(dev, 0, 0x007); /* test mode as indicated in datasheet */
+	write_max2820(dev, 1, 0x01e); /* enable register */
+	write_max2820(dev, 2, 0x001); /* synt register */
+
+	max2820_rf_set_channel(dev, NULL);
+
+	write_max2820(dev, 4, 0x313); /* rx register */
+
+	/* PA is driven directly by the BB, we keep the MAXIM bias
+	 * at the highest value in case that setting it to lower
+	 * values may introduce some further attenuation somewhere..
+	 */
+	write_max2820(dev, 5, 0x00f);
+
+	/* baseband configuration */
+	rtl8180_write_phy(dev, 0, 0x88); /* sys1       */
+	rtl8180_write_phy(dev, 3, 0x08); /* txagc      */
+	rtl8180_write_phy(dev, 4, 0xf8); /* lnadet     */
+	rtl8180_write_phy(dev, 5, 0x90); /* ifagcinit  */
+	rtl8180_write_phy(dev, 6, 0x1a); /* ifagclimit */
+	rtl8180_write_phy(dev, 7, 0x64); /* ifagcdet   */
+
+	max2820_write_phy_antenna(dev, 1);
+
+	rtl8180_write_phy(dev, 0x11, 0x88); /* trl */
+
+	if (rtl818x_ioread8(priv, &priv->map->CONFIG2) &
+	    RTL818X_CONFIG2_ANTENNA_DIV)
+		rtl8180_write_phy(dev, 0x12, 0xc7);
+	else
+		rtl8180_write_phy(dev, 0x12, 0x47);
+
+	rtl8180_write_phy(dev, 0x13, 0x9b);
+
+	rtl8180_write_phy(dev, 0x19, 0x0);  /* CHESTLIM */
+	rtl8180_write_phy(dev, 0x1a, 0x9f); /* CHSQLIM  */
+
+	max2820_rf_set_channel(dev, NULL);
+}
+
+const struct rtl818x_rf_ops max2820_rf_ops = {
+	.name		= "Maxim",
+	.init		= max2820_rf_init,
+	.stop		= max2820_rf_stop,
+	.set_chan	= max2820_rf_set_channel,
+	.calc_rssi	= max2820_rf_calc_rssi,
+};
diff --git a/drivers/net/wireless/rtl818x/rtl8180/max2820.h b/drivers/net/wireless/rtl818x/rtl8180/max2820.h
new file mode 100644
index 00000000000..61cf6d1e7d5
--- /dev/null
+++ b/drivers/net/wireless/rtl818x/rtl8180/max2820.h
@@ -0,0 +1,28 @@
+#ifndef RTL8180_MAX2820_H
+#define RTL8180_MAX2820_H
+
+/*
+ * Radio tuning for Maxim max2820 on RTL8180
+ *
+ * Copyright 2007 Andrea Merello <andreamrl@tiscali.it>
+ *
+ * Code from the BSD driver and the rtl8181 project have been
+ * very useful to understand certain things
+ *
+ * I want to thanks the Authors of such projects and the Ndiswrapper
+ * project Authors.
+ *
+ * A special Big Thanks also is for all people who donated me cards,
+ * making possible the creation of the original rtl8180 driver
+ * from which this code is derived!
+ *
+ * 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.
+ */
+
+#define MAXIM_ANTENNA 0xb3
+
+extern const struct rtl818x_rf_ops max2820_rf_ops;
+
+#endif /* RTL8180_MAX2820_H */
diff --git a/drivers/net/wireless/rtl818x/rtl8180/rtl8180.h b/drivers/net/wireless/rtl818x/rtl8180/rtl8180.h
new file mode 100644
index 00000000000..30523314da4
--- /dev/null
+++ b/drivers/net/wireless/rtl818x/rtl8180/rtl8180.h
@@ -0,0 +1,130 @@
+#ifndef RTL8180_H
+#define RTL8180_H
+
+#include "rtl818x.h"
+
+#define MAX_RX_SIZE IEEE80211_MAX_RTS_THRESHOLD
+
+#define RF_PARAM_ANALOGPHY	(1 << 0)
+#define RF_PARAM_ANTBDEFAULT	(1 << 1)
+#define RF_PARAM_CARRIERSENSE1	(1 << 2)
+#define RF_PARAM_CARRIERSENSE2	(1 << 3)
+
+#define BB_ANTATTEN_CHAN14	0x0C
+#define BB_ANTENNA_B 		0x40
+
+#define BB_HOST_BANG 		(1 << 30)
+#define BB_HOST_BANG_EN 	(1 << 2)
+#define BB_HOST_BANG_CLK 	(1 << 1)
+#define BB_HOST_BANG_DATA	1
+
+#define ANAPARAM_TXDACOFF_SHIFT	27
+#define ANAPARAM_PWR0_SHIFT	28
+#define ANAPARAM_PWR0_MASK 	(0x07 << ANAPARAM_PWR0_SHIFT)
+#define ANAPARAM_PWR1_SHIFT	20
+#define ANAPARAM_PWR1_MASK	(0x7F << ANAPARAM_PWR1_SHIFT)
+
+struct rtl8180_tx_desc {
+	__le32 flags;
+	__le16 rts_duration;
+	__le16 plcp_len;
+	__le32 tx_buf;
+	__le32 frame_len;
+	__le32 next_tx_desc;
+	u8 cw;
+	u8 retry_limit;
+	u8 agc;
+	u8 flags2;
+	u32 reserved[2];
+} __packed;
+
+struct rtl8180_rx_desc {
+	__le32 flags;
+	__le32 flags2;
+	union {
+		__le32 rx_buf;
+		__le64 tsft;
+	};
+} __packed;
+
+struct rtl8180_tx_ring {
+	struct rtl8180_tx_desc *desc;
+	dma_addr_t dma;
+	unsigned int idx;
+	unsigned int entries;
+	struct sk_buff_head queue;
+};
+
+struct rtl8180_vif {
+	struct ieee80211_hw *dev;
+
+	/* beaconing */
+	struct delayed_work beacon_work;
+	bool enable_beacon;
+};
+
+struct rtl8180_priv {
+	/* common between rtl818x drivers */
+	struct rtl818x_csr __iomem *map;
+	const struct rtl818x_rf_ops *rf;
+	struct ieee80211_vif *vif;
+
+	/* rtl8180 driver specific */
+	spinlock_t lock;
+	struct rtl8180_rx_desc *rx_ring;
+	dma_addr_t rx_ring_dma;
+	unsigned int rx_idx;
+	struct sk_buff *rx_buf[32];
+	struct rtl8180_tx_ring tx_ring[4];
+	struct ieee80211_channel channels[14];
+	struct ieee80211_rate rates[12];
+	struct ieee80211_supported_band band;
+	struct pci_dev *pdev;
+	u32 rx_conf;
+
+	int r8185;
+	u32 anaparam;
+	u16 rfparam;
+	u8 csthreshold;
+
+	/* sequence # */
+	u16 seqno;
+};
+
+void rtl8180_write_phy(struct ieee80211_hw *dev, u8 addr, u32 data);
+void rtl8180_set_anaparam(struct rtl8180_priv *priv, u32 anaparam);
+
+static inline u8 rtl818x_ioread8(struct rtl8180_priv *priv, u8 __iomem *addr)
+{
+	return ioread8(addr);
+}
+
+static inline u16 rtl818x_ioread16(struct rtl8180_priv *priv, __le16 __iomem *addr)
+{
+	return ioread16(addr);
+}
+
+static inline u32 rtl818x_ioread32(struct rtl8180_priv *priv, __le32 __iomem *addr)
+{
+	return ioread32(addr);
+}
+
+static inline void rtl818x_iowrite8(struct rtl8180_priv *priv,
+				    u8 __iomem *addr, u8 val)
+{
+	iowrite8(val, addr);
+}
+
+static inline void rtl818x_iowrite16(struct rtl8180_priv *priv,
+				     __le16 __iomem *addr, u16 val)
+{
+	iowrite16(val, addr);
+}
+
+static inline void rtl818x_iowrite32(struct rtl8180_priv *priv,
+				     __le32 __iomem *addr, u32 val)
+{
+	iowrite32(val, addr);
+}
+
+#endif /* RTL8180_H */
diff --git a/drivers/net/wireless/rtl818x/rtl8180/rtl8225.c b/drivers/net/wireless/rtl818x/rtl8180/rtl8225.c
new file mode 100644
index 00000000000..7c4574ba9d7
--- /dev/null
+++ b/drivers/net/wireless/rtl818x/rtl8180/rtl8225.c
@@ -0,0 +1,791 @@
+
+/*
+ * Radio tuning for RTL8225 on RTL8180
+ *
+ * Copyright 2007 Michael Wu <flamingice@sourmilk.net>
+ * Copyright 2007 Andrea Merello <andreamrl@tiscali.it>
+ *
+ * Based on the r8180 driver, which is:
+ * Copyright 2005 Andrea Merello <andreamrl@tiscali.it>, et al.
+ *
+ * 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/pci.h>
+#include <linux/delay.h>
+#include <net/mac80211.h>
+
+#include "rtl8180.h"
+#include "rtl8225.h"
+
+static void rtl8225_write(struct ieee80211_hw *dev, u8 addr, u16 data)
+{
+	struct rtl8180_priv *priv = dev->priv;
+	u16 reg80, reg84, reg82;
+	u32 bangdata;
+	int i;
+
+	bangdata = (data << 4) | (addr & 0xf);
+
+	reg80 = rtl818x_ioread16(priv, &priv->map->RFPinsOutput) & 0xfff3;
+	reg82 = rtl818x_ioread16(priv, &priv->map->RFPinsEnable);
+
+	rtl818x_iowrite16(priv, &priv->map->RFPinsEnable, reg82 | 0x7);
+
+	reg84 = rtl818x_ioread16(priv, &priv->map->RFPinsSelect);
+	rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, reg84 | 0x7 | 0x400);
+	rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
+	udelay(10);
+
+	rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, reg80 | (1 << 2));
+	rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
+	udelay(2);
+	rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, reg80);
+	rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
+	udelay(10);
+
+	for (i = 15; i >= 0; i--) {
+		u16 reg = reg80;
+
+		if (bangdata & (1 << i))
+			reg |= 1;
+
+		if (i & 1)
+			rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, reg);
+
+		rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, reg | (1 << 1));
+		rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, reg | (1 << 1));
+
+		if (!(i & 1))
+			rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, reg);
+	}
+
+	rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, reg80 | (1 << 2));
+	rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
+	udelay(10);
+
+	rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, reg80 | (1 << 2));
+	rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, reg84 | 0x400);
+	rtl818x_iowrite16(priv, &priv->map->RFPinsEnable, 0x1FFF);
+}
+
+static u16 rtl8225_read(struct ieee80211_hw *dev, u8 addr)
+{
+	struct rtl8180_priv *priv = dev->priv;
+	u16 reg80, reg82, reg84, out;
+	int i;
+
+	reg80 = rtl818x_ioread16(priv, &priv->map->RFPinsOutput);
+	reg82 = rtl818x_ioread16(priv, &priv->map->RFPinsEnable);
+	reg84 = rtl818x_ioread16(priv, &priv->map->RFPinsSelect) | 0x400;
+
+	reg80 &= ~0xF;
+
+	rtl818x_iowrite16(priv, &priv->map->RFPinsEnable, reg82 | 0x000F);
+	rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, reg84 | 0x000F);
+
+	rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, reg80 | (1 << 2));
+	rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
+	udelay(4);
+	rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, reg80);
+	rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
+	udelay(5);
+
+	for (i = 4; i >= 0; i--) {
+		u16 reg = reg80 | ((addr >> i) & 1);
+
+		if (!(i & 1)) {
+			rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, reg);
+			rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
+			udelay(1);
+		}
+
+		rtl818x_iowrite16(priv, &priv->map->RFPinsOutput,
+				  reg | (1 << 1));
+		rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
+		udelay(2);
+		rtl818x_iowrite16(priv, &priv->map->RFPinsOutput,
+				  reg | (1 << 1));
+		rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
+		udelay(2);
+
+		if (i & 1) {
+			rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, reg);
+			rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
+			udelay(1);
+		}
+	}
+
+	rtl818x_iowrite16(priv, &priv->map->RFPinsEnable, 0x000E);
+	rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, 0x040E);
+	rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
+	rtl818x_iowrite16(priv, &priv->map->RFPinsOutput,
+			  reg80 | (1 << 3) | (1 << 1));
+	rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
+	udelay(2);
+	rtl818x_iowrite16(priv, &priv->map->RFPinsOutput,
+			  reg80 | (1 << 3));
+	rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
+	udelay(2);
+	rtl818x_iowrite16(priv, &priv->map->RFPinsOutput,
+			  reg80 | (1 << 3));
+	rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
+	udelay(2);
+
+	out = 0;
+	for (i = 11; i >= 0; i--) {
+		rtl818x_iowrite16(priv, &priv->map->RFPinsOutput,
+				  reg80 | (1 << 3));
+		rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
+		udelay(1);
+		rtl818x_iowrite16(priv, &priv->map->RFPinsOutput,
+				  reg80 | (1 << 3) | (1 << 1));
+		rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
+		udelay(2);
+		rtl818x_iowrite16(priv, &priv->map->RFPinsOutput,
+				  reg80 | (1 << 3) | (1 << 1));
+		rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
+		udelay(2);
+		rtl818x_iowrite16(priv, &priv->map->RFPinsOutput,
+				  reg80 | (1 << 3) | (1 << 1));
+		rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
+		udelay(2);
+
+		if (rtl818x_ioread16(priv, &priv->map->RFPinsInput) & (1 << 1))
+			out |= 1 << i;
+
+		rtl818x_iowrite16(priv, &priv->map->RFPinsOutput,
+				  reg80 | (1 << 3));
+		rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
+		udelay(2);
+	}
+
+	rtl818x_iowrite16(priv, &priv->map->RFPinsOutput,
+			  reg80 | (1 << 3) | (1 << 2));
+	rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
+	udelay(2);
+
+	rtl818x_iowrite16(priv, &priv->map->RFPinsEnable, reg82);
+	rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, reg84);
+	rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, 0x03A0);
+
+	return out;
+}
+
+static const u16 rtl8225bcd_rxgain[] = {
+	0x0400, 0x0401, 0x0402, 0x0403, 0x0404, 0x0405, 0x0408, 0x0409,
+	0x040a, 0x040b, 0x0502, 0x0503, 0x0504, 0x0505, 0x0540, 0x0541,
+	0x0542, 0x0543, 0x0544, 0x0545, 0x0580, 0x0581, 0x0582, 0x0583,
+	0x0584, 0x0585, 0x0588, 0x0589, 0x058a, 0x058b, 0x0643, 0x0644,
+	0x0645, 0x0680, 0x0681, 0x0682, 0x0683, 0x0684, 0x0685, 0x0688,
+	0x0689, 0x068a, 0x068b, 0x068c, 0x0742, 0x0743, 0x0744, 0x0745,
+	0x0780, 0x0781, 0x0782, 0x0783, 0x0784, 0x0785, 0x0788, 0x0789,
+	0x078a, 0x078b, 0x078c, 0x078d, 0x0790, 0x0791, 0x0792, 0x0793,
+	0x0794, 0x0795, 0x0798, 0x0799, 0x079a, 0x079b, 0x079c, 0x079d,
+	0x07a0, 0x07a1, 0x07a2, 0x07a3, 0x07a4, 0x07a5, 0x07a8, 0x07a9,
+	0x07aa, 0x07ab, 0x07ac, 0x07ad, 0x07b0, 0x07b1, 0x07b2, 0x07b3,
+	0x07b4, 0x07b5, 0x07b8, 0x07b9, 0x07ba, 0x07bb, 0x07bb
+};
+
+static const u8 rtl8225_agc[] = {
+	0x9e, 0x9e, 0x9e, 0x9e, 0x9e, 0x9e, 0x9e, 0x9e,
+	0x9d, 0x9c, 0x9b, 0x9a, 0x99, 0x98, 0x97, 0x96,
+	0x95, 0x94, 0x93, 0x92, 0x91, 0x90, 0x8f, 0x8e,
+	0x8d, 0x8c, 0x8b, 0x8a, 0x89, 0x88, 0x87, 0x86,
+	0x85, 0x84, 0x83, 0x82, 0x81, 0x80, 0x3f, 0x3e,
+	0x3d, 0x3c, 0x3b, 0x3a, 0x39, 0x38, 0x37, 0x36,
+	0x35, 0x34, 0x33, 0x32, 0x31, 0x30, 0x2f, 0x2e,
+	0x2d, 0x2c, 0x2b, 0x2a, 0x29, 0x28, 0x27, 0x26,
+	0x25, 0x24, 0x23, 0x22, 0x21, 0x20, 0x1f, 0x1e,
+	0x1d, 0x1c, 0x1b, 0x1a, 0x19, 0x18, 0x17, 0x16,
+	0x15, 0x14, 0x13, 0x12, 0x11, 0x10, 0x0f, 0x0e,
+	0x0d, 0x0c, 0x0b, 0x0a, 0x09, 0x08, 0x07, 0x06,
+	0x05, 0x04, 0x03, 0x02, 0x01, 0x01, 0x01, 0x01,
+	0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+	0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+	0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01
+};
+
+static const u8 rtl8225_gain[] = {
+	0x23, 0x88, 0x7c, 0xa5, /* -82dbm */
+	0x23, 0x88, 0x7c, 0xb5, /* -82dbm */
+	0x23, 0x88, 0x7c, 0xc5, /* -82dbm */
+	0x33, 0x80, 0x79, 0xc5, /* -78dbm */
+	0x43, 0x78, 0x76, 0xc5, /* -74dbm */
+	0x53, 0x60, 0x73, 0xc5, /* -70dbm */
+	0x63, 0x58, 0x70, 0xc5, /* -66dbm */
+};
+
+static const u8 rtl8225_threshold[] = {
+	0x8d, 0x8d, 0x8d, 0x8d, 0x9d, 0xad, 0xbd
+};
+
+static const u8 rtl8225_tx_gain_cck_ofdm[] = {
+	0x02, 0x06, 0x0e, 0x1e, 0x3e, 0x7e
+};
+
+static const u8 rtl8225_tx_power_cck[] = {
+	0x18, 0x17, 0x15, 0x11, 0x0c, 0x08, 0x04, 0x02,
+	0x1b, 0x1a, 0x17, 0x13, 0x0e, 0x09, 0x04, 0x02,
+	0x1f, 0x1e, 0x1a, 0x15, 0x10, 0x0a, 0x05, 0x02,
+	0x22, 0x21, 0x1d, 0x18, 0x11, 0x0b, 0x06, 0x02,
+	0x26, 0x25, 0x21, 0x1b, 0x14, 0x0d, 0x06, 0x03,
+	0x2b, 0x2a, 0x25, 0x1e, 0x16, 0x0e, 0x07, 0x03
+};
+
+static const u8 rtl8225_tx_power_cck_ch14[] = {
+	0x18, 0x17, 0x15, 0x0c, 0x00, 0x00, 0x00, 0x00,
+	0x1b, 0x1a, 0x17, 0x0e, 0x00, 0x00, 0x00, 0x00,
+	0x1f, 0x1e, 0x1a, 0x0f, 0x00, 0x00, 0x00, 0x00,
+	0x22, 0x21, 0x1d, 0x11, 0x00, 0x00, 0x00, 0x00,
+	0x26, 0x25, 0x21, 0x13, 0x00, 0x00, 0x00, 0x00,
+	0x2b, 0x2a, 0x25, 0x15, 0x00, 0x00, 0x00, 0x00
+};
+
+static const u8 rtl8225_tx_power_ofdm[] = {
+	0x80, 0x90, 0xa2, 0xb5, 0xcb, 0xe4
+};
+
+static const u32 rtl8225_chan[] = {
+	0x085c, 0x08dc, 0x095c, 0x09dc, 0x0a5c, 0x0adc, 0x0b5c,
+	0x0bdc, 0x0c5c, 0x0cdc, 0x0d5c, 0x0ddc, 0x0e5c, 0x0f72
+};
+
+static void rtl8225_rf_set_tx_power(struct ieee80211_hw *dev, int channel)
+{
+	struct rtl8180_priv *priv = dev->priv;
+	u8 cck_power, ofdm_power;
+	const u8 *tmp;
+	u32 reg;
+	int i;
+
+	cck_power = priv->channels[channel - 1].hw_value & 0xFF;
+	ofdm_power = priv->channels[channel - 1].hw_value >> 8;
+
+	cck_power = min(cck_power, (u8)35);
+	ofdm_power = min(ofdm_power, (u8)35);
+
+	rtl818x_iowrite8(priv, &priv->map->TX_GAIN_CCK,
+			 rtl8225_tx_gain_cck_ofdm[cck_power / 6] >> 1);
+
+	if (channel == 14)
+		tmp = &rtl8225_tx_power_cck_ch14[(cck_power % 6) * 8];
+	else
+		tmp = &rtl8225_tx_power_cck[(cck_power % 6) * 8];
+
+	for (i = 0; i < 8; i++)
+		rtl8225_write_phy_cck(dev, 0x44 + i, *tmp++);
+
+	msleep(1); /* FIXME: optional? */
+
+	/* anaparam2 on */
+	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->ANAPARAM2, 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_iowrite8(priv, &priv->map->TX_GAIN_OFDM,
+			 rtl8225_tx_gain_cck_ofdm[ofdm_power/6] >> 1);
+
+	tmp = &rtl8225_tx_power_ofdm[ofdm_power % 6];
+
+	rtl8225_write_phy_ofdm(dev, 5, *tmp);
+	rtl8225_write_phy_ofdm(dev, 7, *tmp);
+
+	msleep(1);
+}
+
+static void rtl8225_rf_init(struct ieee80211_hw *dev)
+{
+	struct rtl8180_priv *priv = dev->priv;
+	int i;
+
+	rtl8180_set_anaparam(priv, RTL8225_ANAPARAM_ON);
+
+	/* host_pci_init */
+	rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, 0x0480);
+	rtl818x_iowrite16(priv, &priv->map->RFPinsEnable, 0x1FFF);
+	rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, 0x0488);
+	rtl818x_iowrite8(priv, &priv->map->GP_ENABLE, 0);
+	rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
+	msleep(200);	/* FIXME: ehh?? */
+	rtl818x_iowrite8(priv, &priv->map->GP_ENABLE, 0xFF & ~(1 << 6));
+
+	rtl818x_iowrite32(priv, &priv->map->RF_TIMING, 0x000a8008);
+
+	/* TODO: check if we need really to change BRSR to do RF config */
+	rtl818x_ioread16(priv, &priv->map->BRSR);
+	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);
+
+	rtl8225_write(dev, 0x0, 0x067);
+	rtl8225_write(dev, 0x1, 0xFE0);
+	rtl8225_write(dev, 0x2, 0x44D);
+	rtl8225_write(dev, 0x3, 0x441);
+	rtl8225_write(dev, 0x4, 0x8BE);
+	rtl8225_write(dev, 0x5, 0xBF0);		/* TODO: minipci */
+	rtl8225_write(dev, 0x6, 0xAE6);
+	rtl8225_write(dev, 0x7, rtl8225_chan[0]);
+	rtl8225_write(dev, 0x8, 0x01F);
+	rtl8225_write(dev, 0x9, 0x334);
+	rtl8225_write(dev, 0xA, 0xFD4);
+	rtl8225_write(dev, 0xB, 0x391);
+	rtl8225_write(dev, 0xC, 0x050);
+	rtl8225_write(dev, 0xD, 0x6DB);
+	rtl8225_write(dev, 0xE, 0x029);
+	rtl8225_write(dev, 0xF, 0x914); msleep(1);
+
+	rtl8225_write(dev, 0x2, 0xC4D); msleep(100);
+
+	rtl8225_write(dev, 0x0, 0x127);
+
+	for (i = 0; i < ARRAY_SIZE(rtl8225bcd_rxgain); i++) {
+		rtl8225_write(dev, 0x1, i + 1);
+		rtl8225_write(dev, 0x2, rtl8225bcd_rxgain[i]);
+	}
+
+	rtl8225_write(dev, 0x0, 0x027);
+	rtl8225_write(dev, 0x0, 0x22F);
+	rtl818x_iowrite16(priv, &priv->map->RFPinsEnable, 0x1FFF);
+
+	for (i = 0; i < ARRAY_SIZE(rtl8225_agc); i++) {
+		rtl8225_write_phy_ofdm(dev, 0xB, rtl8225_agc[i]);
+		msleep(1);
+		rtl8225_write_phy_ofdm(dev, 0xA, 0x80 + i);
+		msleep(1);
+	}
+
+	msleep(1);
+
+	rtl8225_write_phy_ofdm(dev, 0x00, 0x01); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x01, 0x02); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x02, 0x62); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x03, 0x00); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x04, 0x00); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x05, 0x00); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x06, 0x00); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x07, 0x00); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x08, 0x00); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x09, 0xfe); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x0a, 0x09); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x0b, 0x80); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x0c, 0x01); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x0e, 0xd3); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x0f, 0x38); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x10, 0x84); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x11, 0x03); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x12, 0x20); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x13, 0x20); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x14, 0x00); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x15, 0x40); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x16, 0x00); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x17, 0x40); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x18, 0xef); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x19, 0x19); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x1a, 0x20); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x1b, 0x76); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x1c, 0x04); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x1e, 0x95); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x1f, 0x75); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x20, 0x1f); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x21, 0x27); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x22, 0x16); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x24, 0x46); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x25, 0x20); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x26, 0x90); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x27, 0x88); msleep(1);
+
+	rtl8225_write_phy_cck(dev, 0x00, 0x98); msleep(1);
+	rtl8225_write_phy_cck(dev, 0x03, 0x20); msleep(1);
+	rtl8225_write_phy_cck(dev, 0x04, 0x7e); msleep(1);
+	rtl8225_write_phy_cck(dev, 0x05, 0x12); msleep(1);
+	rtl8225_write_phy_cck(dev, 0x06, 0xfc); msleep(1);
+	rtl8225_write_phy_cck(dev, 0x07, 0x78); msleep(1);
+	rtl8225_write_phy_cck(dev, 0x08, 0x2e); msleep(1);
+	rtl8225_write_phy_cck(dev, 0x10, 0x93); msleep(1);
+	rtl8225_write_phy_cck(dev, 0x11, 0x88); msleep(1);
+	rtl8225_write_phy_cck(dev, 0x12, 0x47); msleep(1);
+	rtl8225_write_phy_cck(dev, 0x13, 0xd0);
+	rtl8225_write_phy_cck(dev, 0x19, 0x00);
+	rtl8225_write_phy_cck(dev, 0x1a, 0xa0);
+	rtl8225_write_phy_cck(dev, 0x1b, 0x08);
+	rtl8225_write_phy_cck(dev, 0x40, 0x86);
+	rtl8225_write_phy_cck(dev, 0x41, 0x8d); msleep(1);
+	rtl8225_write_phy_cck(dev, 0x42, 0x15); msleep(1);
+	rtl8225_write_phy_cck(dev, 0x43, 0x18); msleep(1);
+	rtl8225_write_phy_cck(dev, 0x44, 0x1f); msleep(1);
+	rtl8225_write_phy_cck(dev, 0x45, 0x1e); msleep(1);
+	rtl8225_write_phy_cck(dev, 0x46, 0x1a); msleep(1);
+	rtl8225_write_phy_cck(dev, 0x47, 0x15); msleep(1);
+	rtl8225_write_phy_cck(dev, 0x48, 0x10); msleep(1);
+	rtl8225_write_phy_cck(dev, 0x49, 0x0a); msleep(1);
+	rtl8225_write_phy_cck(dev, 0x4a, 0x05); msleep(1);
+	rtl8225_write_phy_cck(dev, 0x4b, 0x02); msleep(1);
+	rtl8225_write_phy_cck(dev, 0x4c, 0x05); msleep(1);
+
+	rtl818x_iowrite8(priv, &priv->map->TESTR, 0x0D); msleep(1);
+
+	rtl8225_rf_set_tx_power(dev, 1);
+
+	/* RX antenna default to A */
+	rtl8225_write_phy_cck(dev, 0x10, 0x9b); msleep(1);	/* B: 0xDB */
+	rtl8225_write_phy_ofdm(dev, 0x26, 0x90); msleep(1);	/* B: 0x10 */
+
+	rtl818x_iowrite8(priv, &priv->map->TX_ANTENNA, 0x03);	/* B: 0x00 */
+	msleep(1);
+	rtl818x_iowrite32(priv, (__le32 __iomem *)((void __iomem *)priv->map + 0x94), 0x15c00002);
+	rtl818x_iowrite16(priv, &priv->map->RFPinsEnable, 0x1FFF);
+
+	rtl8225_write(dev, 0x0c, 0x50);
+	/* set OFDM initial gain */
+	rtl8225_write_phy_ofdm(dev, 0x0d, rtl8225_gain[4 * 4]);
+	rtl8225_write_phy_ofdm(dev, 0x23, rtl8225_gain[4 * 4 + 1]);
+	rtl8225_write_phy_ofdm(dev, 0x1b, rtl8225_gain[4 * 4 + 2]);
+	rtl8225_write_phy_ofdm(dev, 0x1d, rtl8225_gain[4 * 4 + 3]);
+	/* set CCK threshold */
+	rtl8225_write_phy_cck(dev, 0x41, rtl8225_threshold[0]);
+}
+
+static const u8 rtl8225z2_tx_power_cck_ch14[] = {
+	0x36, 0x35, 0x2e, 0x1b, 0x00, 0x00, 0x00, 0x00
+};
+
+static const u8 rtl8225z2_tx_power_cck_B[] = {
+	0x30, 0x2f, 0x29, 0x21, 0x19, 0x10, 0x08, 0x04
+};
+
+static const u8 rtl8225z2_tx_power_cck_A[] = {
+	0x33, 0x32, 0x2b, 0x23, 0x1a, 0x11, 0x08, 0x04
+};
+
+static const u8 rtl8225z2_tx_power_cck[] = {
+	0x36, 0x35, 0x2e, 0x25, 0x1c, 0x12, 0x09, 0x04
+};
+
+static void rtl8225z2_rf_set_tx_power(struct ieee80211_hw *dev, int channel)
+{
+	struct rtl8180_priv *priv = dev->priv;
+	u8 cck_power, ofdm_power;
+	const u8 *tmp;
+	int i;
+
+	cck_power = priv->channels[channel - 1].hw_value & 0xFF;
+	ofdm_power = priv->channels[channel - 1].hw_value >> 8;
+
+	if (channel == 14)
+		tmp = rtl8225z2_tx_power_cck_ch14;
+	else if (cck_power == 12)
+		tmp = rtl8225z2_tx_power_cck_B;
+	else if (cck_power == 13)
+		tmp = rtl8225z2_tx_power_cck_A;
+	else
+		tmp = rtl8225z2_tx_power_cck;
+
+	for (i = 0; i < 8; i++)
+		rtl8225_write_phy_cck(dev, 0x44 + i, *tmp++);
+
+	cck_power = min(cck_power, (u8)35);
+	if (cck_power == 13 || cck_power == 14)
+		cck_power = 12;
+	if (cck_power >= 15)
+		cck_power -= 2;
+
+	rtl818x_iowrite8(priv, &priv->map->TX_GAIN_CCK, cck_power);
+	rtl818x_ioread8(priv, &priv->map->TX_GAIN_CCK);
+	msleep(1);
+
+	ofdm_power = min(ofdm_power, (u8)35);
+	rtl818x_iowrite8(priv, &priv->map->TX_GAIN_OFDM, ofdm_power);
+
+	rtl8225_write_phy_ofdm(dev, 2, 0x62);
+	rtl8225_write_phy_ofdm(dev, 5, 0x00);
+	rtl8225_write_phy_ofdm(dev, 6, 0x40);
+	rtl8225_write_phy_ofdm(dev, 7, 0x00);
+	rtl8225_write_phy_ofdm(dev, 8, 0x40);
+
+	msleep(1);
+}
+
+static const u16 rtl8225z2_rxgain[] = {
+	0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0008, 0x0009,
+	0x000a, 0x000b, 0x0102, 0x0103, 0x0104, 0x0105, 0x0140, 0x0141,
+	0x0142, 0x0143, 0x0144, 0x0145, 0x0180, 0x0181, 0x0182, 0x0183,
+	0x0184, 0x0185, 0x0188, 0x0189, 0x018a, 0x018b, 0x0243, 0x0244,
+	0x0245, 0x0280, 0x0281, 0x0282, 0x0283, 0x0284, 0x0285, 0x0288,
+	0x0289, 0x028a, 0x028b, 0x028c, 0x0342, 0x0343, 0x0344, 0x0345,
+	0x0380, 0x0381, 0x0382, 0x0383, 0x0384, 0x0385, 0x0388, 0x0389,
+	0x038a, 0x038b, 0x038c, 0x038d, 0x0390, 0x0391, 0x0392, 0x0393,
+	0x0394, 0x0395, 0x0398, 0x0399, 0x039a, 0x039b, 0x039c, 0x039d,
+	0x03a0, 0x03a1, 0x03a2, 0x03a3, 0x03a4, 0x03a5, 0x03a8, 0x03a9,
+	0x03aa, 0x03ab, 0x03ac, 0x03ad, 0x03b0, 0x03b1, 0x03b2, 0x03b3,
+	0x03b4, 0x03b5, 0x03b8, 0x03b9, 0x03ba, 0x03bb, 0x03bb
+};
+
+static void rtl8225z2_rf_init(struct ieee80211_hw *dev)
+{
+	struct rtl8180_priv *priv = dev->priv;
+	int i;
+
+	rtl8180_set_anaparam(priv, RTL8225_ANAPARAM_ON);
+
+	/* host_pci_init */
+	rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, 0x0480);
+	rtl818x_iowrite16(priv, &priv->map->RFPinsEnable, 0x1FFF);
+	rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, 0x0488);
+	rtl818x_iowrite8(priv, &priv->map->GP_ENABLE, 0);
+	rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
+	msleep(200);	/* FIXME: ehh?? */
+	rtl818x_iowrite8(priv, &priv->map->GP_ENABLE, 0xFF & ~(1 << 6));
+
+	rtl818x_iowrite32(priv, &priv->map->RF_TIMING, 0x00088008);
+
+	/* TODO: check if we need really to change BRSR to do RF config */
+	rtl818x_ioread16(priv, &priv->map->BRSR);
+	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, 0x1FFF);
+
+	rtl8225_write(dev, 0x0, 0x0B7); msleep(1);
+	rtl8225_write(dev, 0x1, 0xEE0); msleep(1);
+	rtl8225_write(dev, 0x2, 0x44D); msleep(1);
+	rtl8225_write(dev, 0x3, 0x441); msleep(1);
+	rtl8225_write(dev, 0x4, 0x8C3); msleep(1);
+	rtl8225_write(dev, 0x5, 0xC72); msleep(1);
+	rtl8225_write(dev, 0x6, 0x0E6); msleep(1);
+	rtl8225_write(dev, 0x7, 0x82A); msleep(1);
+	rtl8225_write(dev, 0x8, 0x03F); msleep(1);
+	rtl8225_write(dev, 0x9, 0x335); msleep(1);
+	rtl8225_write(dev, 0xa, 0x9D4); msleep(1);
+	rtl8225_write(dev, 0xb, 0x7BB); msleep(1);
+	rtl8225_write(dev, 0xc, 0x850); msleep(1);
+	rtl8225_write(dev, 0xd, 0xCDF); msleep(1);
+	rtl8225_write(dev, 0xe, 0x02B); msleep(1);
+	rtl8225_write(dev, 0xf, 0x114); msleep(100);
+
+	if (!(rtl8225_read(dev, 6) & (1 << 7))) {
+		rtl8225_write(dev, 0x02, 0x0C4D);
+		msleep(200);
+		rtl8225_write(dev, 0x02, 0x044D);
+		msleep(100);
+		/* TODO: readd calibration failure message when the calibration
+		   check works */
+	}
+
+	rtl8225_write(dev, 0x0, 0x1B7);
+	rtl8225_write(dev, 0x3, 0x002);
+	rtl8225_write(dev, 0x5, 0x004);
+
+	for (i = 0; i < ARRAY_SIZE(rtl8225z2_rxgain); i++) {
+		rtl8225_write(dev, 0x1, i + 1);
+		rtl8225_write(dev, 0x2, rtl8225z2_rxgain[i]);
+	}
+
+	rtl8225_write(dev, 0x0, 0x0B7); msleep(100);
+	rtl8225_write(dev, 0x2, 0xC4D);
+
+	msleep(200);
+	rtl8225_write(dev, 0x2, 0x44D);
+	msleep(100);
+
+	rtl8225_write(dev, 0x00, 0x2BF);
+	rtl8225_write(dev, 0xFF, 0xFFFF);
+
+	rtl818x_iowrite16(priv, &priv->map->RFPinsEnable, 0x1FFF);
+
+	for (i = 0; i < ARRAY_SIZE(rtl8225_agc); i++) {
+		rtl8225_write_phy_ofdm(dev, 0xB, rtl8225_agc[i]);
+		msleep(1);
+		rtl8225_write_phy_ofdm(dev, 0xA, 0x80 + i);
+		msleep(1);
+	}
+
+	msleep(1);
+
+	rtl8225_write_phy_ofdm(dev, 0x00, 0x01); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x01, 0x02); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x02, 0x62); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x03, 0x00); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x04, 0x00); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x05, 0x00); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x06, 0x40); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x07, 0x00); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x08, 0x40); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x09, 0xfe); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x0a, 0x09); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x18, 0xef); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x0b, 0x80); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x0c, 0x01); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x0d, 0x43);
+	rtl8225_write_phy_ofdm(dev, 0x0e, 0xd3); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x0f, 0x38); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x10, 0x84); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x11, 0x06); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x12, 0x20); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x13, 0x20); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x14, 0x00); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x15, 0x40); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x16, 0x00); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x17, 0x40); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x18, 0xef); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x19, 0x19); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x1a, 0x20); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x1b, 0x11); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x1c, 0x04); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x1d, 0xc5); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x1e, 0xb3); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x1f, 0x75); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x20, 0x1f); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x21, 0x27); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x22, 0x16); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x23, 0x80); msleep(1); /* FIXME: not needed? */
+	rtl8225_write_phy_ofdm(dev, 0x24, 0x46); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x25, 0x20); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x26, 0x90); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x27, 0x88); msleep(1);
+
+	rtl8225_write_phy_cck(dev, 0x00, 0x98); msleep(1);
+	rtl8225_write_phy_cck(dev, 0x03, 0x20); msleep(1);
+	rtl8225_write_phy_cck(dev, 0x04, 0x7e); msleep(1);
+	rtl8225_write_phy_cck(dev, 0x05, 0x12); msleep(1);
+	rtl8225_write_phy_cck(dev, 0x06, 0xfc); msleep(1);
+	rtl8225_write_phy_cck(dev, 0x07, 0x78); msleep(1);
+	rtl8225_write_phy_cck(dev, 0x08, 0x2e); msleep(1);
+	rtl8225_write_phy_cck(dev, 0x10, 0x93); msleep(1);
+	rtl8225_write_phy_cck(dev, 0x11, 0x88); msleep(1);
+	rtl8225_write_phy_cck(dev, 0x12, 0x47); msleep(1);
+	rtl8225_write_phy_cck(dev, 0x13, 0xd0);
+	rtl8225_write_phy_cck(dev, 0x19, 0x00);
+	rtl8225_write_phy_cck(dev, 0x1a, 0xa0);
+	rtl8225_write_phy_cck(dev, 0x1b, 0x08);
+	rtl8225_write_phy_cck(dev, 0x40, 0x86);
+	rtl8225_write_phy_cck(dev, 0x41, 0x8a); msleep(1);
+	rtl8225_write_phy_cck(dev, 0x42, 0x15); msleep(1);
+	rtl8225_write_phy_cck(dev, 0x43, 0x18); msleep(1);
+	rtl8225_write_phy_cck(dev, 0x44, 0x36); msleep(1);
+	rtl8225_write_phy_cck(dev, 0x45, 0x35); msleep(1);
+	rtl8225_write_phy_cck(dev, 0x46, 0x2e); msleep(1);
+	rtl8225_write_phy_cck(dev, 0x47, 0x25); msleep(1);
+	rtl8225_write_phy_cck(dev, 0x48, 0x1c); msleep(1);
+	rtl8225_write_phy_cck(dev, 0x49, 0x12); msleep(1);
+	rtl8225_write_phy_cck(dev, 0x4a, 0x09); msleep(1);
+	rtl8225_write_phy_cck(dev, 0x4b, 0x04); msleep(1);
+	rtl8225_write_phy_cck(dev, 0x4c, 0x05); msleep(1);
+
+	rtl818x_iowrite8(priv, (u8 __iomem *)((void __iomem *)priv->map + 0x5B), 0x0D); msleep(1);
+
+	rtl8225z2_rf_set_tx_power(dev, 1);
+
+	/* RX antenna default to A */
+	rtl8225_write_phy_cck(dev, 0x10, 0x9b); msleep(1);	/* B: 0xDB */
+	rtl8225_write_phy_ofdm(dev, 0x26, 0x90); msleep(1);	/* B: 0x10 */
+
+	rtl818x_iowrite8(priv, &priv->map->TX_ANTENNA, 0x03);	/* B: 0x00 */
+	msleep(1);
+	rtl818x_iowrite32(priv, (__le32 __iomem *)((void __iomem *)priv->map + 0x94), 0x15c00002);
+	rtl818x_iowrite16(priv, &priv->map->RFPinsEnable, 0x1FFF);
+}
+
+static void rtl8225_rf_stop(struct ieee80211_hw *dev)
+{
+	struct rtl8180_priv *priv = dev->priv;
+	u8 reg;
+
+	rtl8225_write(dev, 0x4, 0x1f); msleep(1);
+
+	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->ANAPARAM2, RTL8225_ANAPARAM2_OFF);
+	rtl818x_iowrite32(priv, &priv->map->ANAPARAM, RTL8225_ANAPARAM_OFF);
+	rtl818x_iowrite8(priv, &priv->map->CONFIG3, reg & ~RTL818X_CONFIG3_ANAPARAM_WRITE);
+	rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL);
+}
+
+static void rtl8225_rf_set_channel(struct ieee80211_hw *dev,
+				   struct ieee80211_conf *conf)
+{
+	struct rtl8180_priv *priv = dev->priv;
+	int chan = ieee80211_frequency_to_channel(conf->channel->center_freq);
+
+	if (priv->rf->init == rtl8225_rf_init)
+		rtl8225_rf_set_tx_power(dev, chan);
+	else
+		rtl8225z2_rf_set_tx_power(dev, chan);
+
+	rtl8225_write(dev, 0x7, rtl8225_chan[chan - 1]);
+	msleep(10);
+}
+
+static void rtl8225_rf_conf_erp(struct ieee80211_hw *dev,
+				struct ieee80211_bss_conf *info)
+{
+	struct rtl8180_priv *priv = dev->priv;
+
+	if (info->use_short_slot) {
+		rtl818x_iowrite8(priv, &priv->map->SLOT, 0x9);
+		rtl818x_iowrite8(priv, &priv->map->SIFS, 0x22);
+		rtl818x_iowrite8(priv, &priv->map->DIFS, 0x14);
+		rtl818x_iowrite8(priv, &priv->map->EIFS, 81);
+		rtl818x_iowrite8(priv, &priv->map->CW_VAL, 0x73);
+	} else {
+		rtl818x_iowrite8(priv, &priv->map->SLOT, 0x14);
+		rtl818x_iowrite8(priv, &priv->map->SIFS, 0x44);
+		rtl818x_iowrite8(priv, &priv->map->DIFS, 0x24);
+		rtl818x_iowrite8(priv, &priv->map->EIFS, 81);
+		rtl818x_iowrite8(priv, &priv->map->CW_VAL, 0xa5);
+	}
+}
+
+static const struct rtl818x_rf_ops rtl8225_ops = {
+	.name		= "rtl8225",
+	.init		= rtl8225_rf_init,
+	.stop		= rtl8225_rf_stop,
+	.set_chan	= rtl8225_rf_set_channel,
+	.conf_erp	= rtl8225_rf_conf_erp,
+};
+
+static const struct rtl818x_rf_ops rtl8225z2_ops = {
+	.name		= "rtl8225z2",
+	.init		= rtl8225z2_rf_init,
+	.stop		= rtl8225_rf_stop,
+	.set_chan	= rtl8225_rf_set_channel,
+	.conf_erp	= rtl8225_rf_conf_erp,
+};
+
+const struct rtl818x_rf_ops * rtl8180_detect_rf(struct ieee80211_hw *dev)
+{
+	struct rtl8180_priv *priv = dev->priv;
+	u16 reg8, reg9;
+
+	rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, 0x0480);
+	rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, 0x0488);
+	rtl818x_iowrite16(priv, &priv->map->RFPinsEnable, 0x1FFF);
+	rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
+	msleep(100);
+
+	rtl8225_write(dev, 0, 0x1B7);
+
+	reg8 = rtl8225_read(dev, 8);
+	reg9 = rtl8225_read(dev, 9);
+
+	rtl8225_write(dev, 0, 0x0B7);
+
+	if (reg8 != 0x588 || reg9 != 0x700)
+		return &rtl8225_ops;
+
+	return &rtl8225z2_ops;
+}
diff --git a/drivers/net/wireless/rtl818x/rtl8180/rtl8225.h b/drivers/net/wireless/rtl818x/rtl8180/rtl8225.h
new file mode 100644
index 00000000000..310013a2d72
--- /dev/null
+++ b/drivers/net/wireless/rtl818x/rtl8180/rtl8225.h
@@ -0,0 +1,23 @@
+#ifndef RTL8180_RTL8225_H
+#define RTL8180_RTL8225_H
+
+#define RTL8225_ANAPARAM_ON	0xa0000b59
+#define RTL8225_ANAPARAM2_ON	0x860dec11
+#define RTL8225_ANAPARAM_OFF	0xa00beb59
+#define RTL8225_ANAPARAM2_OFF	0x840dec11
+
+const struct rtl818x_rf_ops * rtl8180_detect_rf(struct ieee80211_hw *);
+
+static inline void rtl8225_write_phy_ofdm(struct ieee80211_hw *dev,
+					  u8 addr, u8 data)
+{
+	rtl8180_write_phy(dev, addr, data);
+}
+
+static inline void rtl8225_write_phy_cck(struct ieee80211_hw *dev,
+					 u8 addr, u8 data)
+{
+	rtl8180_write_phy(dev, addr, data | 0x10000);
+}
+
+#endif /* RTL8180_RTL8225_H */
diff --git a/drivers/net/wireless/rtl818x/rtl8180/sa2400.c b/drivers/net/wireless/rtl818x/rtl8180/sa2400.c
new file mode 100644
index 00000000000..44771a6286a
--- /dev/null
+++ b/drivers/net/wireless/rtl818x/rtl8180/sa2400.c
@@ -0,0 +1,228 @@
+
+/*
+ * Radio tuning for Philips SA2400 on RTL8180
+ *
+ * Copyright 2007 Andrea Merello <andreamrl@tiscali.it>
+ *
+ * Code from the BSD driver and the rtl8181 project have been
+ * very useful to understand certain things
+ *
+ * I want to thanks the Authors of such projects and the Ndiswrapper
+ * project Authors.
+ *
+ * A special Big Thanks also is for all people who donated me cards,
+ * making possible the creation of the original rtl8180 driver
+ * from which this code is derived!
+ *
+ * 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/pci.h>
+#include <linux/delay.h>
+#include <net/mac80211.h>
+
+#include "rtl8180.h"
+#include "sa2400.h"
+
+static const u32 sa2400_chan[] = {
+	0x00096c, /* ch1 */
+	0x080970,
+	0x100974,
+	0x180978,
+	0x000980,
+	0x080984,
+	0x100988,
+	0x18098c,
+	0x000994,
+	0x080998,
+	0x10099c,
+	0x1809a0,
+	0x0009a8,
+	0x0009b4, /* ch 14 */
+};
+
+static void write_sa2400(struct ieee80211_hw *dev, u8 addr, u32 data)
+{
+	struct rtl8180_priv *priv = dev->priv;
+	u32 phy_config;
+
+	/* MAC will bang bits to the sa2400. sw 3-wire is NOT used */
+	phy_config = 0xb0000000;
+
+	phy_config |= ((u32)(addr & 0xf)) << 24;
+	phy_config |= data & 0xffffff;
+
+	rtl818x_iowrite32(priv,
+		(__le32 __iomem *) &priv->map->RFPinsOutput, phy_config);
+
+	msleep(3);
+}
+
+static void sa2400_write_phy_antenna(struct ieee80211_hw *dev, short chan)
+{
+	struct rtl8180_priv *priv = dev->priv;
+	u8 ant = SA2400_ANTENNA;
+
+	if (priv->rfparam & RF_PARAM_ANTBDEFAULT)
+		ant |= BB_ANTENNA_B;
+
+	if (chan == 14)
+		ant |= BB_ANTATTEN_CHAN14;
+
+	rtl8180_write_phy(dev, 0x10, ant);
+
+}
+
+static u8 sa2400_rf_rssi_map[] = {
+	0x64, 0x64, 0x63, 0x62, 0x61, 0x60, 0x5f, 0x5e,
+	0x5d, 0x5c, 0x5b, 0x5a, 0x57, 0x54, 0x52, 0x50,
+	0x4e, 0x4c, 0x4a, 0x48, 0x46, 0x44, 0x41, 0x3f,
+	0x3c, 0x3a, 0x37, 0x36, 0x36, 0x1c, 0x1c, 0x1b,
+	0x1b, 0x1a, 0x1a, 0x19, 0x19, 0x18, 0x18, 0x17,
+	0x17, 0x16, 0x16, 0x15, 0x15, 0x14, 0x14, 0x13,
+	0x13, 0x12, 0x12, 0x11, 0x11, 0x10, 0x10, 0x0f,
+	0x0f, 0x0e, 0x0e, 0x0d, 0x0d, 0x0c, 0x0c, 0x0b,
+	0x0b, 0x0a, 0x0a, 0x09, 0x09, 0x08, 0x08, 0x07,
+	0x07, 0x06, 0x06, 0x05, 0x04, 0x03, 0x02,
+};
+
+static u8 sa2400_rf_calc_rssi(u8 agc, u8 sq)
+{
+	if (sq == 0x80)
+		return 1;
+
+	if (sq > 78)
+		return 32;
+
+	/* TODO: recalc sa2400_rf_rssi_map to avoid mult / div */
+	return 65 * sa2400_rf_rssi_map[sq] / 100;
+}
+
+static void sa2400_rf_set_channel(struct ieee80211_hw *dev,
+				  struct ieee80211_conf *conf)
+{
+	struct rtl8180_priv *priv = dev->priv;
+	int channel = ieee80211_frequency_to_channel(conf->channel->center_freq);
+	u32 txpw = priv->channels[channel - 1].hw_value & 0xFF;
+	u32 chan = sa2400_chan[channel - 1];
+
+	write_sa2400(dev, 7, txpw);
+
+	sa2400_write_phy_antenna(dev, channel);
+
+	write_sa2400(dev, 0, chan);
+	write_sa2400(dev, 1, 0xbb50);
+	write_sa2400(dev, 2, 0x80);
+	write_sa2400(dev, 3, 0);
+}
+
+static void sa2400_rf_stop(struct ieee80211_hw *dev)
+{
+	write_sa2400(dev, 4, 0);
+}
+
+static void sa2400_rf_init(struct ieee80211_hw *dev)
+{
+	struct rtl8180_priv *priv = dev->priv;
+	u32 anaparam, txconf;
+	u8 firdac;
+	int analogphy = priv->rfparam & RF_PARAM_ANALOGPHY;
+
+	anaparam = priv->anaparam;
+	anaparam &= ~(1 << ANAPARAM_TXDACOFF_SHIFT);
+	anaparam &= ~ANAPARAM_PWR1_MASK;
+	anaparam &= ~ANAPARAM_PWR0_MASK;
+
+	if (analogphy) {
+		anaparam |= SA2400_ANA_ANAPARAM_PWR1_ON << ANAPARAM_PWR1_SHIFT;
+		firdac = 0;
+	} else {
+		anaparam |= (SA2400_DIG_ANAPARAM_PWR1_ON << ANAPARAM_PWR1_SHIFT);
+		anaparam |= (SA2400_ANAPARAM_PWR0_ON << ANAPARAM_PWR0_SHIFT);
+		firdac = 1 << SA2400_REG4_FIRDAC_SHIFT;
+	}
+
+	rtl8180_set_anaparam(priv, anaparam);
+
+	write_sa2400(dev, 0, sa2400_chan[0]);
+	write_sa2400(dev, 1, 0xbb50);
+	write_sa2400(dev, 2, 0x80);
+	write_sa2400(dev, 3, 0);
+	write_sa2400(dev, 4, 0x19340 | firdac);
+	write_sa2400(dev, 5, 0x1dfb | (SA2400_MAX_SENS - 54) << 15);
+	write_sa2400(dev, 4, 0x19348 | firdac); /* calibrate VCO */
+
+	if (!analogphy)
+		write_sa2400(dev, 4, 0x1938c); /*???*/
+
+	write_sa2400(dev, 4, 0x19340 | firdac);
+
+	write_sa2400(dev, 0, sa2400_chan[0]);
+	write_sa2400(dev, 1, 0xbb50);
+	write_sa2400(dev, 2, 0x80);
+	write_sa2400(dev, 3, 0);
+	write_sa2400(dev, 4, 0x19344 | firdac); /* calibrate filter */
+
+	/* new from rtl8180 embedded driver (rtl8181 project) */
+	write_sa2400(dev, 6, 0x13ff | (1 << 23)); /* MANRX */
+	write_sa2400(dev, 8, 0); /* VCO */
+
+	if (analogphy) {
+		rtl8180_set_anaparam(priv, anaparam |
+				     (1 << ANAPARAM_TXDACOFF_SHIFT));
+
+		txconf = rtl818x_ioread32(priv, &priv->map->TX_CONF);
+		rtl818x_iowrite32(priv, &priv->map->TX_CONF,
+			txconf | RTL818X_TX_CONF_LOOPBACK_CONT);
+
+		write_sa2400(dev, 4, 0x19341); /* calibrates DC */
+
+		/* a 5us sleep is required here,
+		 * we rely on the 3ms delay introduced in write_sa2400 */
+		write_sa2400(dev, 4, 0x19345);
+
+		/* a 20us sleep is required here,
+		 * we rely on the 3ms delay introduced in write_sa2400 */
+
+		rtl818x_iowrite32(priv, &priv->map->TX_CONF, txconf);
+
+		rtl8180_set_anaparam(priv, anaparam);
+	}
+	/* end new code */
+
+	write_sa2400(dev, 4, 0x19341 | firdac); /* RTX MODE */
+
+	/* baseband configuration */
+	rtl8180_write_phy(dev, 0, 0x98);
+	rtl8180_write_phy(dev, 3, 0x38);
+	rtl8180_write_phy(dev, 4, 0xe0);
+	rtl8180_write_phy(dev, 5, 0x90);
+	rtl8180_write_phy(dev, 6, 0x1a);
+	rtl8180_write_phy(dev, 7, 0x64);
+
+	sa2400_write_phy_antenna(dev, 1);
+
+	rtl8180_write_phy(dev, 0x11, 0x80);
+
+	if (rtl818x_ioread8(priv, &priv->map->CONFIG2) &
+	    RTL818X_CONFIG2_ANTENNA_DIV)
+		rtl8180_write_phy(dev, 0x12, 0xc7); /* enable ant diversity */
+	else
+		rtl8180_write_phy(dev, 0x12, 0x47); /* disable ant diversity */
+
+	rtl8180_write_phy(dev, 0x13, 0x90 | priv->csthreshold);
+
+	rtl8180_write_phy(dev, 0x19, 0x0);
+	rtl8180_write_phy(dev, 0x1a, 0xa0);
+}
+
+const struct rtl818x_rf_ops sa2400_rf_ops = {
+	.name		= "Philips",
+	.init		= sa2400_rf_init,
+	.stop		= sa2400_rf_stop,
+	.set_chan	= sa2400_rf_set_channel,
+	.calc_rssi	= sa2400_rf_calc_rssi,
+};
diff --git a/drivers/net/wireless/rtl818x/rtl8180/sa2400.h b/drivers/net/wireless/rtl818x/rtl8180/sa2400.h
new file mode 100644
index 00000000000..a4aaa0d413f
--- /dev/null
+++ b/drivers/net/wireless/rtl818x/rtl8180/sa2400.h
@@ -0,0 +1,36 @@
+#ifndef RTL8180_SA2400_H
+#define RTL8180_SA2400_H
+
+/*
+ * Radio tuning for Philips SA2400 on RTL8180
+ *
+ * Copyright 2007 Andrea Merello <andreamrl@tiscali.it>
+ *
+ * Code from the BSD driver and the rtl8181 project have been
+ * very useful to understand certain things
+ *
+ * I want to thanks the Authors of such projects and the Ndiswrapper
+ * project Authors.
+ *
+ * A special Big Thanks also is for all people who donated me cards,
+ * making possible the creation of the original rtl8180 driver
+ * from which this code is derived!
+ *
+ * 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.
+ */
+
+#define SA2400_ANTENNA 0x91
+#define SA2400_DIG_ANAPARAM_PWR1_ON 0x8
+#define SA2400_ANA_ANAPARAM_PWR1_ON 0x28
+#define SA2400_ANAPARAM_PWR0_ON 0x3
+
+/* RX sensitivity in dbm */
+#define SA2400_MAX_SENS 85
+
+#define SA2400_REG4_FIRDAC_SHIFT 7
+
+extern const struct rtl818x_rf_ops sa2400_rf_ops;
+
+#endif /* RTL8180_SA2400_H */