path: root/package/mac80211/patches/303-rt2x00-Implement-support-for-rt2800usb.patch

From e380f1fa260d81cba1ebb1b6c333ef8c31f2a8c5 Mon Sep 17 00:00:00 2001
From: Ivo van Doorn <IvDoorn@gmail.com>
Date: Fri, 23 Jan 2009 17:16:11 +0100
Subject: [PATCH] rt2x00: Implement support for rt2800usb

Add support for the rt2800usb chipset.

Includes various patches from Mattias and Felix.

Signed-off-by: Mattias Nissler <mattias.nissler@gmx.de>
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
---
 drivers/net/wireless/rt2x00/Kconfig     |   14 +
 drivers/net/wireless/rt2x00/Makefile    |    1 +
 drivers/net/wireless/rt2x00/rt2800usb.c | 2905 +++++++++++++++++++++++++++++++
 drivers/net/wireless/rt2x00/rt2800usb.h | 1944 +++++++++++++++++++++
 drivers/net/wireless/rt2x00/rt2x00.h    |    7 +
 5 files changed, 4871 insertions(+), 0 deletions(-)
 create mode 100644 drivers/net/wireless/rt2x00/rt2800usb.c
 create mode 100644 drivers/net/wireless/rt2x00/rt2800usb.h

--- a/drivers/net/wireless/rt2x00/Makefile
+++ b/drivers/net/wireless/rt2x00/Makefile
@@ -19,3 +19,4 @@ obj-$(CONFIG_RT61PCI)			+= rt61pci.o
 obj-$(CONFIG_RT2800PCI)			+= rt2800pci.o
 obj-$(CONFIG_RT2500USB)			+= rt2500usb.o
 obj-$(CONFIG_RT73USB)			+= rt73usb.o
+obj-$(CONFIG_RT2800USB)			+= rt2800usb.o
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -0,0 +1,2905 @@
+/*
+	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	<http://rt2x00.serialmonkey.com>
+
+	This program is free software; you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation; either version 2 of the License, or
+	(at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with this program; if not, write to the
+	Free Software Foundation, Inc.,
+	59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+	Module: rt2800usb
+	Abstract: rt2800usb device specific routines.
+	Supported chipsets: RT2800U.
+ */
+
+#include <linux/crc-ccitt.h>
+#include <linux/delay.h>
+#include <linux/etherdevice.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/usb.h>
+
+#include "rt2x00.h"
+#include "rt2x00usb.h"
+#include "rt2800usb.h"
+
+/*
+ * Allow hardware encryption to be disabled.
+ */
+static int modparam_nohwcrypt = 0;
+module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
+MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
+
+/*
+ * Register access.
+ * All access to the CSR registers will go through the methods
+ * rt2x00usb_register_read and rt2x00usb_register_write.
+ * BBP and RF register require indirect register access,
+ * and use the CSR registers BBPCSR and RFCSR to achieve this.
+ * These indirect registers work with busy bits,
+ * and we will try maximal REGISTER_BUSY_COUNT times to access
+ * the register while taking a REGISTER_BUSY_DELAY us delay
+ * between each attampt. When the busy bit is still set at that time,
+ * the access attempt is considered to have failed,
+ * and we will print an error.
+ * The _lock versions must be used if you already hold the csr_mutex
+ */
+#define WAIT_FOR_BBP(__dev, __reg) \
+	rt2x00usb_regbusy_read((__dev), BBP_CSR_CFG, BBP_CSR_CFG_BUSY, (__reg))
+#define WAIT_FOR_RFCSR(__dev, __reg) \
+	rt2x00usb_regbusy_read((__dev), RF_CSR_CFG, RF_CSR_CFG_BUSY, (__reg))
+#define WAIT_FOR_RF(__dev, __reg) \
+	rt2x00usb_regbusy_read((__dev), RF_CSR_CFG0, RF_CSR_CFG0_BUSY, (__reg))
+#define WAIT_FOR_MCU(__dev, __reg) \
+	rt2x00usb_regbusy_read((__dev), H2M_MAILBOX_CSR, \
+			       H2M_MAILBOX_CSR_OWNER, (__reg))
+
+static void rt2800usb_bbp_write(struct rt2x00_dev *rt2x00dev,
+				const unsigned int word, const u8 value)
+{
+	u32 reg;
+
+	mutex_lock(&rt2x00dev->csr_mutex);
+
+	/*
+	 * Wait until the BBP becomes available, afterwards we
+	 * can safely write the new data into the register.
+	 */
+	if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
+		reg = 0;
+		rt2x00_set_field32(&reg, BBP_CSR_CFG_VALUE, value);
+		rt2x00_set_field32(&reg, BBP_CSR_CFG_REGNUM, word);
+		rt2x00_set_field32(&reg, BBP_CSR_CFG_BUSY, 1);
+		rt2x00_set_field32(&reg, BBP_CSR_CFG_READ_CONTROL, 0);
+
+		rt2x00usb_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
+	}
+
+	mutex_unlock(&rt2x00dev->csr_mutex);
+}
+
+static void rt2800usb_bbp_read(struct rt2x00_dev *rt2x00dev,
+			       const unsigned int word, u8 *value)
+{
+	u32 reg;
+
+	mutex_lock(&rt2x00dev->csr_mutex);
+
+	/*
+	 * Wait until the BBP becomes available, afterwards we
+	 * can safely write the read request into the register.
+	 * After the data has been written, we wait until hardware
+	 * returns the correct value, if at any time the register
+	 * doesn't become available in time, reg will be 0xffffffff
+	 * which means we return 0xff to the caller.
+	 */
+	if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
+		reg = 0;
+		rt2x00_set_field32(&reg, BBP_CSR_CFG_REGNUM, word);
+		rt2x00_set_field32(&reg, BBP_CSR_CFG_BUSY, 1);
+		rt2x00_set_field32(&reg, BBP_CSR_CFG_READ_CONTROL, 1);
+
+		rt2x00usb_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
+
+		WAIT_FOR_BBP(rt2x00dev, &reg);
+	}
+
+	*value = rt2x00_get_field32(reg, BBP_CSR_CFG_VALUE);
+
+	mutex_unlock(&rt2x00dev->csr_mutex);
+}
+
+static void rt2800usb_rfcsr_write(struct rt2x00_dev *rt2x00dev,
+				  const unsigned int word, const u8 value)
+{
+	u32 reg;
+
+	mutex_lock(&rt2x00dev->csr_mutex);
+
+	/*
+	 * Wait until the RFCSR becomes available, afterwards we
+	 * can safely write the new data into the register.
+	 */
+	if (WAIT_FOR_RFCSR(rt2x00dev, &reg)) {
+		reg = 0;
+		rt2x00_set_field32(&reg, RF_CSR_CFG_DATA, value);
+		rt2x00_set_field32(&reg, RF_CSR_CFG_REGNUM, word);
+		rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE, 1);
+		rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY, 1);
+
+		rt2x00usb_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
+	}
+
+	mutex_unlock(&rt2x00dev->csr_mutex);
+}
+
+static void rt2800usb_rfcsr_read(struct rt2x00_dev *rt2x00dev,
+				 const unsigned int word, u8 *value)
+{
+	u32 reg;
+
+	mutex_lock(&rt2x00dev->csr_mutex);
+
+	/*
+	 * Wait until the RFCSR becomes available, afterwards we
+	 * can safely write the read request into the register.
+	 * After the data has been written, we wait until hardware
+	 * returns the correct value, if at any time the register
+	 * doesn't become available in time, reg will be 0xffffffff
+	 * which means we return 0xff to the caller.
+	 */
+	if (WAIT_FOR_RFCSR(rt2x00dev, &reg)) {
+		reg = 0;
+		rt2x00_set_field32(&reg, RF_CSR_CFG_REGNUM, word);
+		rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE, 0);
+		rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY, 1);
+
+		rt2x00usb_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
+
+		WAIT_FOR_RFCSR(rt2x00dev, &reg);
+	}
+
+	*value = rt2x00_get_field32(reg, RF_CSR_CFG_DATA);
+
+	mutex_unlock(&rt2x00dev->csr_mutex);
+}
+
+static void rt2800usb_rf_write(struct rt2x00_dev *rt2x00dev,
+			       const unsigned int word, const u32 value)
+{
+	u32 reg;
+
+	if (!word)
+		return;
+
+	mutex_lock(&rt2x00dev->csr_mutex);
+
+	/*
+	 * Wait until the RF becomes available, afterwards we
+	 * can safely write the new data into the register.
+	 */
+	if (WAIT_FOR_RF(rt2x00dev, &reg)) {
+		reg = 0;
+		rt2x00_set_field32(&reg, RF_CSR_CFG0_REG_VALUE_BW, value);
+		rt2x00_set_field32(&reg, RF_CSR_CFG0_STANDBYMODE, 0);
+		rt2x00_set_field32(&reg, RF_CSR_CFG0_SEL, 0);
+		rt2x00_set_field32(&reg, RF_CSR_CFG0_BUSY, 1);
+
+		rt2x00usb_register_write_lock(rt2x00dev, RF_CSR_CFG0, reg);
+		rt2x00_rf_write(rt2x00dev, word, value);
+	}
+
+	mutex_unlock(&rt2x00dev->csr_mutex);
+}
+
+static void rt2800usb_mcu_request(struct rt2x00_dev *rt2x00dev,
+				  const u8 command, const u8 token,
+				  const u8 arg0, const u8 arg1)
+{
+	u32 reg;
+
+	mutex_lock(&rt2x00dev->csr_mutex);
+
+	/*
+	 * Wait until the MCU becomes available, afterwards we
+	 * can safely write the new data into the register.
+	 */
+	if (WAIT_FOR_MCU(rt2x00dev, &reg)) {
+		rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_OWNER, 1);
+		rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_CMD_TOKEN, token);
+		rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_ARG0, arg0);
+		rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_ARG1, arg1);
+		rt2x00usb_register_write_lock(rt2x00dev, H2M_MAILBOX_CSR, reg);
+
+		reg = 0;
+		rt2x00_set_field32(&reg, HOST_CMD_CSR_HOST_COMMAND, command);
+		rt2x00usb_register_write_lock(rt2x00dev, HOST_CMD_CSR, reg);
+	}
+
+	mutex_unlock(&rt2x00dev->csr_mutex);
+}
+
+#ifdef CONFIG_RT2X00_LIB_DEBUGFS
+static const struct rt2x00debug rt2800usb_rt2x00debug = {
+	.owner	= THIS_MODULE,
+	.csr	= {
+		.read		= rt2x00usb_register_read,
+		.write		= rt2x00usb_register_write,
+		.flags		= RT2X00DEBUGFS_OFFSET,
+		.word_base	= CSR_REG_BASE,
+		.word_size	= sizeof(u32),
+		.word_count	= CSR_REG_SIZE / sizeof(u32),
+	},
+	.eeprom	= {
+		.read		= rt2x00_eeprom_read,
+		.write		= rt2x00_eeprom_write,
+		.word_base	= EEPROM_BASE,
+		.word_size	= sizeof(u16),
+		.word_count	= EEPROM_SIZE / sizeof(u16),
+	},
+	.bbp	= {
+		.read		= rt2800usb_bbp_read,
+		.write		= rt2800usb_bbp_write,
+		.word_base	= BBP_BASE,
+		.word_size	= sizeof(u8),
+		.word_count	= BBP_SIZE / sizeof(u8),
+	},
+	.rf	= {
+		.read		= rt2x00_rf_read,
+		.write		= rt2800usb_rf_write,
+		.word_base	= RF_BASE,
+		.word_size	= sizeof(u32),
+		.word_count	= RF_SIZE / sizeof(u32),
+	},
+};
+#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
+
+#ifdef CONFIG_RT2X00_LIB_RFKILL
+static int rt2800usb_rfkill_poll(struct rt2x00_dev *rt2x00dev)
+{
+	u32 reg;
+
+	rt2x00usb_register_read(rt2x00dev, GPIO_CTRL_CFG, &reg);
+	return rt2x00_get_field32(reg, GPIO_CTRL_CFG_BIT2);
+}
+#else
+#define rt2800usb_rfkill_poll	NULL
+#endif /* CONFIG_RT2X00_LIB_RFKILL */
+
+#ifdef CONFIG_RT2X00_LIB_LEDS
+static void rt2800usb_brightness_set(struct led_classdev *led_cdev,
+				     enum led_brightness brightness)
+{
+	struct rt2x00_led *led =
+	    container_of(led_cdev, struct rt2x00_led, led_dev);
+	unsigned int enabled = brightness != LED_OFF;
+	unsigned int bg_mode =
+	    (enabled && led->rt2x00dev->curr_band == IEEE80211_BAND_2GHZ);
+	unsigned int polarity =
+		rt2x00_get_field16(led->rt2x00dev->led_mcu_reg,
+				   EEPROM_FREQ_LED_POLARITY);
+	unsigned int ledmode =
+		rt2x00_get_field16(led->rt2x00dev->led_mcu_reg,
+				   EEPROM_FREQ_LED_MODE);
+
+	if (led->type == LED_TYPE_RADIO) {
+		rt2800usb_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
+				      enabled ? 0x20 : 0);
+	} else if (led->type == LED_TYPE_ASSOC) {
+		rt2800usb_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
+				      enabled ? (bg_mode ? 0x60 : 0xa0) : 0x20);
+	} else if (led->type == LED_TYPE_QUALITY) {
+		/*
+		 * The brightness is divided into 6 levels (0 - 5),
+		 * The specs tell us the following levels:
+		 *	0, 1 ,3, 7, 15, 31
+		 * to determine the level in a simple way we can simply
+		 * work with bitshifting:
+		 *	(1 << level) - 1
+		 */
+		rt2800usb_mcu_request(led->rt2x00dev, MCU_LED_STRENGTH, 0xff,
+				      (1 << brightness / (LED_FULL / 6)) - 1,
+				      polarity);
+	}
+}
+
+static int rt2800usb_blink_set(struct led_classdev *led_cdev,
+			       unsigned long *delay_on,
+			       unsigned long *delay_off)
+{
+	struct rt2x00_led *led =
+	    container_of(led_cdev, struct rt2x00_led, led_dev);
+	u32 reg;
+
+	rt2x00usb_register_read(led->rt2x00dev, LED_CFG, &reg);
+	rt2x00_set_field32(&reg, LED_CFG_ON_PERIOD, *delay_on);
+	rt2x00_set_field32(&reg, LED_CFG_OFF_PERIOD, *delay_off);
+	rt2x00_set_field32(&reg, LED_CFG_SLOW_BLINK_PERIOD, 3);
+	rt2x00_set_field32(&reg, LED_CFG_R_LED_MODE, 3);
+	rt2x00_set_field32(&reg, LED_CFG_G_LED_MODE, 12);
+	rt2x00_set_field32(&reg, LED_CFG_Y_LED_MODE, 3);
+	rt2x00_set_field32(&reg, LED_CFG_LED_POLAR, 1);
+	rt2x00usb_register_write(led->rt2x00dev, LED_CFG, reg);
+
+	return 0;
+}
+
+static void rt2800usb_init_led(struct rt2x00_dev *rt2x00dev,
+			       struct rt2x00_led *led,
+			       enum led_type type)
+{
+	led->rt2x00dev = rt2x00dev;
+	led->type = type;
+	led->led_dev.brightness_set = rt2800usb_brightness_set;
+	led->led_dev.blink_set = rt2800usb_blink_set;
+	led->flags = LED_INITIALIZED;
+}
+#endif /* CONFIG_RT2X00_LIB_LEDS */
+
+/*
+ * Configuration handlers.
+ */
+static void rt2800usb_config_wcid_attr(struct rt2x00_dev *rt2x00dev,
+				       struct rt2x00lib_crypto *crypto,
+				       struct ieee80211_key_conf *key)
+{
+	u32 offset;
+	u32 reg;
+
+	offset = MAC_WCID_ATTR_ENTRY(crypto->aid);
+
+	reg = 0;
+	rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_KEYTAB,
+			   !!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE));
+	rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_PAIRKEY_MODE,
+			   crypto->cipher);
+	rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_BSS_IDX,
+			   (crypto->cmd == SET_KEY) ? crypto->bssidx : 0);
+	rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_RX_WIUDF, 0);
+	rt2x00usb_register_write(rt2x00dev, offset, reg);
+}
+
+static int rt2800usb_config_shared_key(struct rt2x00_dev *rt2x00dev,
+				       struct rt2x00lib_crypto *crypto,
+				       struct ieee80211_key_conf *key)
+{
+	struct hw_key_entry key_entry;
+	struct rt2x00_field32 field;
+	int timeout;
+	u32 offset;
+	u32 mask;
+	u32 reg;
+
+	if (crypto->cmd == SET_KEY) {
+		memcpy(key_entry.key, crypto->key,
+		       sizeof(key_entry.key));
+		memcpy(key_entry.tx_mic, crypto->tx_mic,
+		       sizeof(key_entry.tx_mic));
+		memcpy(key_entry.rx_mic, crypto->rx_mic,
+		       sizeof(key_entry.rx_mic));
+
+		offset = SHARED_KEY_ENTRY(key->hw_key_idx);
+		timeout = REGISTER_TIMEOUT32(sizeof(key_entry));
+		rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE,
+						    USB_VENDOR_REQUEST_OUT,
+						    offset, &key_entry,
+						    sizeof(key_entry),
+						    timeout);
+
+		/*
+		 * The driver does not support the IV/EIV generation
+		 * in hardware. However it doesn't support the IV/EIV
+		 * inside the ieee80211 frame either, but requires it
+		 * to be provided seperately for the descriptor.
+		 * rt2x00lib will cut the IV/EIV data out of all frames
+		 * given to us by mac80211, but we must tell mac80211
+		 * to generate the IV/EIV data.
+		 */
+		key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
+	}
+
+	/*
+	 * The cipher types are stored over multiple registers
+	 * starting with SHARED_KEY_MODE_BASE each word will have
+	 * 32 bits and contains the cipher types for 2 modes each.
+	 * Using the correct defines correctly will cause overhead,
+	 * so just calculate the correct offset.
+	 */
+	mask = key->hw_key_idx % 8;
+	field.bit_offset = (3 * mask);
+	field.bit_mask = 0x7 << field.bit_offset;
+
+	offset = SHARED_KEY_MODE_ENTRY(key->hw_key_idx / 8);
+	rt2x00usb_register_read(rt2x00dev, offset, &reg);
+	rt2x00_set_field32(&reg, field,
+			   (crypto->cmd == SET_KEY) ? crypto->cipher : 0);
+	rt2x00usb_register_write(rt2x00dev, offset, reg);
+
+	/*
+	 * Update WCID information
+	 */
+	rt2800usb_config_wcid_attr(rt2x00dev, crypto, key);
+
+	return 0;
+}
+
+static int rt2800usb_config_pairwise_key(struct rt2x00_dev *rt2x00dev,
+					 struct rt2x00lib_crypto *crypto,
+					 struct ieee80211_key_conf *key)
+{
+	struct hw_key_entry key_entry;
+	int timeout;
+	u32 offset;
+
+	/*
+	 * 1 pairwise key is possible per AID, this means that the AID
+	 * equals our hw_key_idx.
+	 */
+	key->hw_key_idx = crypto->aid;
+
+	if (crypto->cmd == SET_KEY) {
+		memcpy(key_entry.key, crypto->key,
+		       sizeof(key_entry.key));
+		memcpy(key_entry.tx_mic, crypto->tx_mic,
+		       sizeof(key_entry.tx_mic));
+		memcpy(key_entry.rx_mic, crypto->rx_mic,
+		       sizeof(key_entry.rx_mic));
+
+		offset = PAIRWISE_KEY_ENTRY(key->hw_key_idx);
+		timeout = REGISTER_TIMEOUT32(sizeof(key_entry));
+		rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE,
+						    USB_VENDOR_REQUEST_OUT,
+						    offset, &key_entry,
+						    sizeof(key_entry),
+						    timeout);
+
+		/*
+		 * The driver does not support the IV/EIV generation
+		 * in hardware. However it doesn't support the IV/EIV
+		 * inside the ieee80211 frame either, but requires it
+		 * to be provided seperately for the descriptor.
+		 * rt2x00lib will cut the IV/EIV data out of all frames
+		 * given to us by mac80211, but we must tell mac80211
+		 * to generate the IV/EIV data.
+		 */
+		key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
+	}
+
+	/*
+	 * Update WCID information
+	 */
+	rt2800usb_config_wcid_attr(rt2x00dev, crypto, key);
+
+	return 0;
+}
+
+static void rt2800usb_config_filter(struct rt2x00_dev *rt2x00dev,
+				    const unsigned int filter_flags)
+{
+	u32 reg;
+
+	/*
+	 * Start configuration steps.
+	 * Note that the version error will always be dropped
+	 * and broadcast frames will always be accepted since
+	 * there is no filter for it at this time.
+	 */
+	rt2x00usb_register_read(rt2x00dev, RX_FILTER_CFG, &reg);
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CRC_ERROR,
+			   !(filter_flags & FIF_FCSFAIL));
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_PHY_ERROR,
+			   !(filter_flags & FIF_PLCPFAIL));
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_NOT_TO_ME,
+			   !(filter_flags & FIF_PROMISC_IN_BSS));
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_NOT_MY_BSSD, 0);
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_VER_ERROR, 1);
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_MULTICAST,
+			   !(filter_flags & FIF_ALLMULTI));
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BROADCAST, 0);
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_DUPLICATE, 1);
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CF_END_ACK,
+			   !(filter_flags & FIF_CONTROL));
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CF_END,
+			   !(filter_flags & FIF_CONTROL));
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_ACK,
+			   !(filter_flags & FIF_CONTROL));
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CTS,
+			   !(filter_flags & FIF_CONTROL));
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_RTS,
+			   !(filter_flags & FIF_CONTROL));
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_PSPOLL,
+			   !(filter_flags & FIF_CONTROL));
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BA, 1);
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BAR, 1);
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CNTL,
+			   !(filter_flags & FIF_CONTROL));
+	rt2x00usb_register_write(rt2x00dev, RX_FILTER_CFG, reg);
+}
+
+static void rt2800usb_config_intf(struct rt2x00_dev *rt2x00dev,
+				  struct rt2x00_intf *intf,
+				  struct rt2x00intf_conf *conf,
+				  const unsigned int flags)
+{
+	unsigned int beacon_base;
+	u32 reg;
+
+	if (flags & CONFIG_UPDATE_TYPE) {
+		/*
+		 * Clear current synchronisation setup.
+		 * For the Beacon base registers we only need to clear
+		 * the first byte since that byte contains the VALID and OWNER
+		 * bits which (when set to 0) will invalidate the entire beacon.
+		 */
+		beacon_base = HW_BEACON_OFFSET(intf->beacon->entry_idx);
+		rt2x00usb_register_write(rt2x00dev, beacon_base, 0);
+
+		/*
+		 * Enable synchronisation.
+		 */
+		rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
+		rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 1);
+		rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_SYNC, conf->sync);
+		rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 1);
+		rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg);
+	}
+
+	if (flags & CONFIG_UPDATE_MAC) {
+		reg = le32_to_cpu(conf->mac[1]);
+		rt2x00_set_field32(&reg, MAC_ADDR_DW1_UNICAST_TO_ME_MASK, 0xff);
+		conf->mac[1] = cpu_to_le32(reg);
+
+		rt2x00usb_register_multiwrite(rt2x00dev, MAC_ADDR_DW0,
+					      conf->mac, sizeof(conf->mac));
+	}
+
+	if (flags & CONFIG_UPDATE_BSSID) {
+		reg = le32_to_cpu(conf->bssid[1]);
+		rt2x00_set_field32(&reg, MAC_BSSID_DW1_BSS_ID_MASK, 0);
+		rt2x00_set_field32(&reg, MAC_BSSID_DW1_BSS_BCN_NUM, 0);
+		conf->bssid[1] = cpu_to_le32(reg);
+
+		rt2x00usb_register_multiwrite(rt2x00dev, MAC_BSSID_DW0,
+					      conf->bssid, sizeof(conf->bssid));
+	}
+}
+
+static void rt2800usb_config_erp(struct rt2x00_dev *rt2x00dev,
+				 struct rt2x00lib_erp *erp)
+{
+	u32 reg;
+
+	rt2x00usb_register_read(rt2x00dev, TX_TIMEOUT_CFG, &reg);
+	rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_RX_ACK_TIMEOUT,
+			   erp->ack_timeout);
+	rt2x00usb_register_write(rt2x00dev, TX_TIMEOUT_CFG, reg);
+
+	rt2x00usb_register_read(rt2x00dev, AUTO_RSP_CFG, &reg);
+	rt2x00_set_field32(&reg, AUTO_RSP_CFG_BAC_ACK_POLICY,
+			   !!erp->short_preamble);
+	rt2x00_set_field32(&reg, AUTO_RSP_CFG_AR_PREAMBLE,
+			   !!erp->short_preamble);
+	rt2x00usb_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
+
+	rt2x00usb_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
+	rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_CTRL,
+			   erp->cts_protection ? 2 : 0);
+	rt2x00usb_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
+
+	rt2x00usb_register_write(rt2x00dev, LEGACY_BASIC_RATE,
+				 erp->basic_rates);
+	rt2x00usb_register_write(rt2x00dev, HT_BASIC_RATE,
+				 erp->basic_rates >> 32);
+
+	rt2x00usb_register_read(rt2x00dev, BKOFF_SLOT_CFG, &reg);
+	rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_SLOT_TIME, erp->slot_time);
+	rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_CC_DELAY_TIME, 2);
+	rt2x00usb_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg);
+
+	rt2x00usb_register_read(rt2x00dev, XIFS_TIME_CFG, &reg);
+	rt2x00_set_field32(&reg, XIFS_TIME_CFG_CCKM_SIFS_TIME, erp->sifs);
+	rt2x00_set_field32(&reg, XIFS_TIME_CFG_OFDM_SIFS_TIME, erp->sifs);
+	rt2x00_set_field32(&reg, XIFS_TIME_CFG_OFDM_XIFS_TIME, 4);
+	rt2x00_set_field32(&reg, XIFS_TIME_CFG_EIFS, erp->eifs);
+	rt2x00_set_field32(&reg, XIFS_TIME_CFG_BB_RXEND_ENABLE, 1);
+	rt2x00usb_register_write(rt2x00dev, XIFS_TIME_CFG, reg);
+}
+
+static void rt2800usb_config_ant(struct rt2x00_dev *rt2x00dev,
+				 struct antenna_setup *ant)
+{
+	u16 eeprom;
+	u8 r1;
+	u8 r3;
+
+	/*
+	 * FIXME: Use requested antenna configuration.
+	 */
+
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
+
+	rt2800usb_bbp_read(rt2x00dev, 1, &r1);
+	rt2800usb_bbp_read(rt2x00dev, 3, &r3);
+
+	/*
+	 * Configure the TX antenna.
+	 */
+	switch (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TXPATH)) {
+	case 1:
+		rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 0);
+		rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 0);
+		break;
+	case 2:
+		rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 16);
+		break;
+	case 3:
+		/* Do nothing */
+		break;
+	}
+
+	/*
+	 * Configure the RX antenna.
+	 */
+	switch (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RXPATH)) {
+	case 1:
+		rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 0);
+		break;
+	case 2:
+		rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 1);
+		break;
+	case 3:
+		rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 2);
+		break;
+	}
+
+	rt2800usb_bbp_write(rt2x00dev, 3, r3);
+	rt2800usb_bbp_write(rt2x00dev, 1, r1);
+}
+
+static void rt2800usb_config_lna_gain(struct rt2x00_dev *rt2x00dev,
+				      struct rt2x00lib_conf *libconf)
+{
+	u16 eeprom;
+	short lna_gain;
+
+	if (libconf->rf.channel <= 14) {
+		rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &eeprom);
+		lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_BG);
+	} else if (libconf->rf.channel <= 64) {
+		rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &eeprom);
+		lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_A0);
+	} else if (libconf->rf.channel <= 128) {
+		rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &eeprom);
+		lna_gain = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG2_LNA_A1);
+	} else {
+		rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &eeprom);
+		lna_gain = rt2x00_get_field16(eeprom, EEPROM_RSSI_A2_LNA_A2);
+	}
+
+	rt2x00dev->lna_gain = lna_gain;
+}
+
+static void rt2800usb_config_channel_rt2x(struct rt2x00_dev *rt2x00dev,
+					  struct rf_channel *rf,
+					  struct channel_info *info)
+{
+	u16 eeprom;
+
+	rt2x00_set_field32(&rf->rf4, RF4_FREQ_OFFSET, rt2x00dev->freq_offset);
+
+	/*
+	 * Determine antenna settings from EEPROM
+	 */
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
+	if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TXPATH) == 1)
+		rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_TX1, 1);
+
+	if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RXPATH) == 1) {
+		rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX1, 1);
+		rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1);
+	} else if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RXPATH) == 2)
+		rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1);
+
+	if (rf->channel > 14) {
+		/*
+		 * When TX power is below 0, we should increase it by 7 to
+		 * make it a positive value (Minumum value is -7).
+		 * However this means that values between 0 and 7 have
+		 * double meaning, and we should set a 7DBm boost flag.
+		 */
+		rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A_7DBM_BOOST,
+				   (info->tx_power1 >= 0));
+
+		if (info->tx_power1 < 0)
+			info->tx_power1 += 7;
+
+		rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A,
+				   TXPOWER_A_TO_DEV(info->tx_power1));
+
+		rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A_7DBM_BOOST,
+				   (info->tx_power2 >= 0));
+
+		if (info->tx_power2 < 0)
+			info->tx_power2 += 7;
+
+		rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A,
+				   TXPOWER_A_TO_DEV(info->tx_power2));
+	} else {
+		rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_G,
+				   TXPOWER_G_TO_DEV(info->tx_power1));
+		rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_G,
+				   TXPOWER_G_TO_DEV(info->tx_power2));
+	}
+
+	rt2x00_set_field32(&rf->rf4, RF4_BW40,
+			   test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags));
+
+	rt2800usb_rf_write(rt2x00dev, 1, rf->rf1);
+	rt2800usb_rf_write(rt2x00dev, 2, rf->rf2);
+	rt2800usb_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
+	rt2800usb_rf_write(rt2x00dev, 4, rf->rf4);
+
+	udelay(200);
+
+	rt2800usb_rf_write(rt2x00dev, 1, rf->rf1);
+	rt2800usb_rf_write(rt2x00dev, 2, rf->rf2);
+	rt2800usb_rf_write(rt2x00dev, 3, rf->rf3 | 0x00000004);
+	rt2800usb_rf_write(rt2x00dev, 4, rf->rf4);
+
+	udelay(200);
+
+	rt2800usb_rf_write(rt2x00dev, 1, rf->rf1);
+	rt2800usb_rf_write(rt2x00dev, 2, rf->rf2);
+	rt2800usb_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
+	rt2800usb_rf_write(rt2x00dev, 4, rf->rf4);
+}
+
+static void rt2800usb_config_channel_rt3x(struct rt2x00_dev *rt2x00dev,
+					  struct rf_channel *rf,
+					  struct channel_info *info)
+{
+	u8 rfcsr;
+
+	rt2800usb_rfcsr_write(rt2x00dev, 2, rf->rf1);
+	rt2800usb_rfcsr_write(rt2x00dev, 2, rf->rf3);
+
+	rt2800usb_rfcsr_read(rt2x00dev, 6, &rfcsr);
+	rt2x00_set_field8(&rfcsr, RFCSR6_R, rf->rf2);
+	rt2800usb_rfcsr_write(rt2x00dev, 6, rfcsr);
+
+	rt2800usb_rfcsr_read(rt2x00dev, 12, &rfcsr);
+	rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER,
+			  TXPOWER_G_TO_DEV(info->tx_power1));
+	rt2800usb_rfcsr_write(rt2x00dev, 12, rfcsr);
+
+	rt2800usb_rfcsr_read(rt2x00dev, 23, &rfcsr);
+	rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset);
+	rt2800usb_rfcsr_write(rt2x00dev, 23, rfcsr);
+
+	if (test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags))
+		rt2800usb_rfcsr_write(rt2x00dev, 24, rt2x00dev->calibration_bw40);
+	else
+		rt2800usb_rfcsr_write(rt2x00dev, 24, rt2x00dev->calibration_bw20);
+
+	rt2800usb_rfcsr_read(rt2x00dev, 23, &rfcsr);
+	rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1);
+	rt2800usb_rfcsr_write(rt2x00dev, 23, rfcsr);
+}
+
+static void rt2800usb_config_channel(struct rt2x00_dev *rt2x00dev,
+				     struct rf_channel *rf,
+				     struct channel_info *info)
+{
+	u32 reg;
+	unsigned int tx_pin;
+	u16 eeprom;
+
+	if (rt2x00_rev(&rt2x00dev->chip) != RT3070_VERSION)
+		rt2800usb_config_channel_rt2x(rt2x00dev, rf, info);
+	else
+		rt2800usb_config_channel_rt3x(rt2x00dev, rf, info);
+
+	tx_pin = 0;
+	rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN, 1);
+	rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A0_EN, 1);
+	rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G0_EN, 1);
+	rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A1_EN, 1);
+	rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G1_EN, 1);
+	rt2x00_set_field32(&tx_pin, TX_PIN_CFG_RFTR_EN, 1);
+	rt2x00_set_field32(&tx_pin, TX_PIN_CFG_TRSW_EN, 1);
+
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
+
+	/* Turn off unused PA or LNA when only 1T or 1R */
+	if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TXPATH) == 1) {
+		
+		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A1_EN, 0);
+		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN, 0);
+	}
+
+	/* Turn off unused PA or LNA when only 1T or 1R */
+	if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RXPATH) == 1) {
+		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A1_EN, 0);
+		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G1_EN, 0);
+	}
+
+	if (rf->channel > 14)
+		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A0_EN, 1);
+	else
+		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, 1);
+
+	/*
+	 * Change BBP settings
+	 */
+	rt2800usb_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
+	rt2800usb_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
+	rt2800usb_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
+	rt2800usb_bbp_write(rt2x00dev, 86, 0);
+
+	if (rf->channel <= 14) {
+		if (test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags)) {
+			rt2800usb_bbp_write(rt2x00dev, 82, 0x62);
+			rt2800usb_bbp_write(rt2x00dev, 75, 0x46);
+		} else {
+			rt2800usb_bbp_write(rt2x00dev, 82, 0x84);
+			rt2800usb_bbp_write(rt2x00dev, 75, 0x50);
+		}
+
+		rt2x00usb_register_read(rt2x00dev, TX_BAND_CFG, &reg);
+		rt2x00_set_field32(&rf->rf3, TX_BAND_CFG_A, 0);
+		rt2x00_set_field32(&rf->rf3, TX_BAND_CFG_BG, 1);
+		rt2x00usb_register_write(rt2x00dev, TX_BAND_CFG, reg);
+	} else {
+		rt2800usb_bbp_write(rt2x00dev, 82, 0xf2);
+
+		if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags))
+			rt2800usb_bbp_write(rt2x00dev, 75, 0x46);
+		else
+			rt2800usb_bbp_write(rt2x00dev, 75, 0x50);
+
+		rt2x00usb_register_read(rt2x00dev, TX_BAND_CFG, &reg);
+		rt2x00_set_field32(&rf->rf3, TX_BAND_CFG_A, 1);
+		rt2x00_set_field32(&rf->rf3, TX_BAND_CFG_BG, 0);
+		rt2x00usb_register_write(rt2x00dev, TX_BAND_CFG, reg);
+	}
+
+	rt2x00usb_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
+
+	msleep(1);
+}
+
+static void rt2800usb_config_txpower(struct rt2x00_dev *rt2x00dev,
+				     const int txpower)
+{
+	u32 reg;
+	u32 value = TXPOWER_G_TO_DEV(txpower);
+	u8 r1;
+
+	rt2800usb_bbp_read(rt2x00dev, 1, &r1);
+	rt2x00_set_field8(&reg, BBP1_TX_POWER, 0);
+	rt2800usb_bbp_write(rt2x00dev, 1, r1);
+
+	rt2x00usb_register_read(rt2x00dev, TX_PWR_CFG_0, &reg);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_0_1MBS, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_0_2MBS, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_0_55MBS, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_0_11MBS, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_0_6MBS, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_0_9MBS, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_0_12MBS, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_0_18MBS, value);
+	rt2x00usb_register_write(rt2x00dev, TX_PWR_CFG_0, reg);
+
+	rt2x00usb_register_read(rt2x00dev, TX_PWR_CFG_1, &reg);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_1_24MBS, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_1_36MBS, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_1_48MBS, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_1_54MBS, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_1_MCS0, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_1_MCS1, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_1_MCS2, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_1_MCS3, value);
+	rt2x00usb_register_write(rt2x00dev, TX_PWR_CFG_1, reg);
+
+	rt2x00usb_register_read(rt2x00dev, TX_PWR_CFG_2, &reg);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS4, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS5, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS6, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS7, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS8, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS9, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS10, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS11, value);
+	rt2x00usb_register_write(rt2x00dev, TX_PWR_CFG_2, reg);
+
+	rt2x00usb_register_read(rt2x00dev, TX_PWR_CFG_3, &reg);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_3_MCS12, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_3_MCS13, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_3_MCS14, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_3_MCS15, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_3_UKNOWN1, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_3_UKNOWN2, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_3_UKNOWN3, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_3_UKNOWN4, value);
+	rt2x00usb_register_write(rt2x00dev, TX_PWR_CFG_3, reg);
+
+	rt2x00usb_register_read(rt2x00dev, TX_PWR_CFG_4, &reg);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN5, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN6, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN7, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN8, value);
+	rt2x00usb_register_write(rt2x00dev, TX_PWR_CFG_4, reg);
+}
+
+static void rt2800usb_config_retry_limit(struct rt2x00_dev *rt2x00dev,
+					 struct rt2x00lib_conf *libconf)
+{
+	u32 reg;
+
+	rt2x00usb_register_read(rt2x00dev, TX_RTY_CFG, &reg);
+	rt2x00_set_field32(&reg, TX_RTY_CFG_SHORT_RTY_LIMIT,
+			   libconf->conf->short_frame_max_tx_count);
+	rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_LIMIT,
+			   libconf->conf->long_frame_max_tx_count);
+	rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_THRE, 2000);
+	rt2x00_set_field32(&reg, TX_RTY_CFG_NON_AGG_RTY_MODE, 0);
+	rt2x00_set_field32(&reg, TX_RTY_CFG_AGG_RTY_MODE, 0);
+	rt2x00_set_field32(&reg, TX_RTY_CFG_TX_AUTO_FB_ENABLE, 1);
+	rt2x00usb_register_write(rt2x00dev, TX_RTY_CFG, reg);
+}
+
+static void rt2800usb_config_duration(struct rt2x00_dev *rt2x00dev,
+				      struct rt2x00lib_conf *libconf)
+{
+	u32 reg;
+
+	rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
+	rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL,
+			   libconf->conf->beacon_int * 16);
+	rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg);
+}
+
+static void rt2800usb_config_ps(struct rt2x00_dev *rt2x00dev,
+				struct rt2x00lib_conf *libconf)
+{
+	enum dev_state state =
+	    (libconf->conf->flags & IEEE80211_CONF_PS) ?
+		STATE_SLEEP : STATE_AWAKE;
+	u32 reg;
+
+	if (state == STATE_SLEEP) {
+		rt2x00usb_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0);
+
+		rt2x00usb_register_read(rt2x00dev, AUTOWAKEUP_CFG, &reg);
+		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 5);
+		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE,
+				   libconf->conf->listen_interval - 1);
+		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTOWAKE, 1);
+		rt2x00usb_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
+
+		rt2800usb_mcu_request(rt2x00dev, MCU_SLEEP, 0xff, 0, 0);
+	} else {
+		rt2800usb_mcu_request(rt2x00dev, MCU_WAKEUP, 0xff, 0, 0);
+
+		rt2x00usb_register_read(rt2x00dev, AUTOWAKEUP_CFG, &reg);
+		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 0);
+		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE, 0);
+		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTOWAKE, 0);
+		rt2x00usb_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
+	}
+}
+
+static void rt2800usb_config(struct rt2x00_dev *rt2x00dev,
+			     struct rt2x00lib_conf *libconf,
+			     const unsigned int flags)
+{
+	/* Always recalculate LNA gain before changing configuration */
+	rt2800usb_config_lna_gain(rt2x00dev, libconf);
+
+	if (flags & IEEE80211_CONF_CHANGE_CHANNEL)
+		rt2800usb_config_channel(rt2x00dev, &libconf->rf,
+					 &libconf->channel);
+	if (flags & IEEE80211_CONF_CHANGE_POWER)
+		rt2800usb_config_txpower(rt2x00dev, libconf->conf->power_level);
+	if (flags & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
+		rt2800usb_config_retry_limit(rt2x00dev, libconf);
+	if (flags & IEEE80211_CONF_CHANGE_BEACON_INTERVAL)
+		rt2800usb_config_duration(rt2x00dev, libconf);
+	if (flags & IEEE80211_CONF_CHANGE_PS)
+		rt2800usb_config_ps(rt2x00dev, libconf);
+}
+
+/*
+ * Link tuning
+ */
+static void rt2800usb_link_stats(struct rt2x00_dev *rt2x00dev,
+				 struct link_qual *qual)
+{
+	u32 reg;
+
+	/*
+	 * Update FCS error count from register.
+	 */
+	rt2x00usb_register_read(rt2x00dev, RX_STA_CNT0, &reg);
+	qual->rx_failed = rt2x00_get_field32(reg, RX_STA_CNT0_CRC_ERR);
+
+	/*
+	 * Update False CCA count from register.
+	 */
+	rt2x00usb_register_read(rt2x00dev, RX_STA_CNT1, &reg);
+	qual->false_cca = rt2x00_get_field32(reg, RX_STA_CNT1_FALSE_CCA);
+}
+
+static u8 rt2800usb_get_default_vgc(struct rt2x00_dev *rt2x00dev)
+{
+	if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ) {
+		if (rt2x00_rev(&rt2x00dev->chip) == RT3070_VERSION)
+			return 0x1c + (2 * rt2x00dev->lna_gain);
+		else
+			return 0x2e + rt2x00dev->lna_gain;
+	}
+
+	if (!test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags))
+		return 0x32 + (rt2x00dev->lna_gain * 5) / 3;
+	else
+		return 0x3a + (rt2x00dev->lna_gain * 5) / 3;
+}
+
+static inline void rt2800usb_set_vgc(struct rt2x00_dev *rt2x00dev,
+				     struct link_qual *qual, u8 vgc_level)
+{
+	if (qual->vgc_level != vgc_level) {
+		rt2800usb_bbp_write(rt2x00dev, 66, vgc_level);
+		qual->vgc_level = vgc_level;
+		qual->vgc_level_reg = vgc_level;
+	}
+}
+
+static void rt2800usb_reset_tuner(struct rt2x00_dev *rt2x00dev,
+				  struct link_qual *qual)
+{
+	rt2800usb_set_vgc(rt2x00dev, qual,
+			  rt2800usb_get_default_vgc(rt2x00dev));
+}
+
+static void rt2800usb_link_tuner(struct rt2x00_dev *rt2x00dev,
+				 struct link_qual *qual, const u32 count)
+{
+	if (rt2x00_rev(&rt2x00dev->chip) == RT2860C_VERSION)
+		return;
+
+	/*
+	 * When RSSI is better then -80 increase VGC level with 0x10
+	 */
+	rt2800usb_set_vgc(rt2x00dev, qual,
+			  rt2800usb_get_default_vgc(rt2x00dev) +
+			  ((qual->rssi > -80) * 0x10));
+}
+
+/*
+ * Firmware functions
+ */
+static char *rt2800usb_get_firmware_name(struct rt2x00_dev *rt2x00dev)
+{
+	return FIRMWARE_RT2870;
+}
+
+static u16 rt2800usb_get_firmware_crc(const void *data, const size_t len)
+{
+	u16 crc;
+
+	/*
+	 * Use the crc ccitt algorithm.
+	 * This will return the same value as the legacy driver which
+	 * used bit ordering reversion on the both the firmware bytes
+	 * before input input as well as on the final output.
+	 * Obviously using crc ccitt directly is much more efficient.
+	 * The last 2 bytes in the firmware array are the crc checksum itself,
+	 * this means that we should never pass those 2 bytes to the crc
+	 * algorithm.
+	 */
+	crc = crc_ccitt(~0, data, len - 2);
+
+	/*
+	 * There is a small difference between the crc-itu-t + bitrev and
+	 * the crc-ccitt crc calculation. In the latter method the 2 bytes
+	 * will be swapped, use swab16 to convert the crc to the correct
+	 * value.
+	 */
+	return swab16(crc);
+}
+
+static int rt2800usb_load_firmware(struct rt2x00_dev *rt2x00dev,
+				   const void *data, const size_t len)
+{
+	unsigned int i;
+	int status;
+	u32 reg;
+	u32 offset;
+	u32 length;
+	u16 chipset = (rt2x00_rev(&rt2x00dev->chip) >> 16) & 0xffff;
+
+	/*
+	 * Firmware files:
+	 * There are 2 variations of the rt2870 firmware.
+	 * a) size: 4kb
+	 * b) size: 8kb
+	 * Note that (b) contains 2 seperate firmware blobs of 4k
+	 * within the file. The first blob is the same firmware as (a),
+	 * but the second blob is for the additional chipsets.
+	 */
+	if (len != 4096 && len != 8192) {
+		ERROR(rt2x00dev, "Invalid firmware file length (len=%zu)\n", len);
+		return -ENOENT;
+	}
+
+	if ((chipset == 0x2860) || (chipset == 0x2872) || (chipset == 0x3070)) {
+		offset = 0;
+		length = 4096;
+	} else if (len == 8192) {
+		offset = 4096;
+		length = 4096;
+	} else {
+		ERROR(rt2x00dev,
+		      "Current firmware does not support detected chipset %04x.\n",
+		      chipset);
+		ERROR(rt2x00dev,
+		      "Please upgrade to a more recent firmware version.\n");
+		return -ENOENT;
+	}
+
+	/*
+	 * Wait for stable hardware.
+	 */
+	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
+		rt2x00usb_register_read(rt2x00dev, MAC_CSR0, &reg);
+		if (reg && reg != ~0)
+			break;
+		msleep(1);
+	}
+
+	if (i == REGISTER_BUSY_COUNT) {
+		ERROR(rt2x00dev, "Unstable hardware.\n");
+		return -EBUSY;
+	}
+
+	/*
+	 * Write firmware to device.
+	 */
+	rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE,
+					    USB_VENDOR_REQUEST_OUT,
+					    FIRMWARE_IMAGE_BASE,
+					    data + offset, length,
+					    REGISTER_TIMEOUT32(length));
+
+	rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0);
+	rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0);
+
+	/*
+	 * Send firmware request to device to load firmware,
+	 * we need to specify a long timeout time.
+	 */
+	status = rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE,
+					     0, USB_MODE_FIRMWARE,
+					     REGISTER_TIMEOUT_FIRMWARE);
+	if (status < 0) {
+		ERROR(rt2x00dev, "Failed to write Firmware to device.\n");
+		return status;
+	}
+
+	/*
+	 * Wait for device to stabilize.
+	 */
+	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
+		rt2x00usb_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
+		if (rt2x00_get_field32(reg, PBF_SYS_CTRL_READY))
+			break;
+		msleep(1);
+	}
+
+	if (i == REGISTER_BUSY_COUNT) {
+		ERROR(rt2x00dev, "PBF system register not ready.\n");
+		return -EBUSY;
+	}
+
+	/*
+	 * Initialize firmware.
+	 */
+	rt2x00usb_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
+	rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
+	msleep(1);
+
+	return 0;
+}
+
+/*
+ * Initialization functions.
+ */
+static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
+{
+	u32 reg;
+	unsigned int i;
+
+	/*
+	 * Wait untill BBP and RF are ready.
+	 */
+	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
+		rt2x00usb_register_read(rt2x00dev, MAC_CSR0, &reg);
+		if (reg && reg != ~0)
+			break;
+		msleep(1);
+	}
+
+	if (i == REGISTER_BUSY_COUNT) {
+		ERROR(rt2x00dev, "Unstable hardware.\n");
+		return -EBUSY;
+	}
+
+	rt2x00usb_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
+	rt2x00usb_register_write(rt2x00dev, PBF_SYS_CTRL, reg & ~0x00002000);
+
+	rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
+	rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_CSR, 1);
+	rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_BBP, 1);
+	rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
+
+	rt2x00usb_register_write(rt2x00dev, USB_DMA_CFG, 0x00000000);
+
+	rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0,
+				    USB_MODE_RESET, REGISTER_TIMEOUT);
+
+	rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
+
+	rt2x00usb_register_read(rt2x00dev, BCN_OFFSET0, &reg);
+	rt2x00_set_field32(&reg, BCN_OFFSET0_BCN0, 0xe0); /* 0x3800 */
+	rt2x00_set_field32(&reg, BCN_OFFSET0_BCN1, 0xe8); /* 0x3a00 */
+	rt2x00_set_field32(&reg, BCN_OFFSET0_BCN2, 0xf0); /* 0x3c00 */
+	rt2x00_set_field32(&reg, BCN_OFFSET0_BCN3, 0xf8); /* 0x3e00 */
+	rt2x00usb_register_write(rt2x00dev, BCN_OFFSET0, reg);
+
+	rt2x00usb_register_read(rt2x00dev, BCN_OFFSET1, &reg);
+	rt2x00_set_field32(&reg, BCN_OFFSET1_BCN4, 0xc8); /* 0x3200 */
+	rt2x00_set_field32(&reg, BCN_OFFSET1_BCN5, 0xd0); /* 0x3400 */
+	rt2x00_set_field32(&reg, BCN_OFFSET1_BCN6, 0x77); /* 0x1dc0 */
+	rt2x00_set_field32(&reg, BCN_OFFSET1_BCN7, 0x6f); /* 0x1bc0 */
+	rt2x00usb_register_write(rt2x00dev, BCN_OFFSET1, reg);
+
+	rt2x00usb_register_write(rt2x00dev, LEGACY_BASIC_RATE, 0x0000013f);
+	rt2x00usb_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
+
+	rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
+
+	rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
+	rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL, 0);
+	rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 0);
+	rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_SYNC, 0);
+	rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 0);
+	rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
+	rt2x00_set_field32(&reg, BCN_TIME_CFG_TX_TIME_COMPENSATE, 0);
+	rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg);
+
+	if (rt2x00_rev(&rt2x00dev->chip) == RT3070_VERSION) {
+		rt2x00usb_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
+		rt2x00usb_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
+		rt2x00usb_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
+	} else {
+		rt2x00usb_register_write(rt2x00dev, TX_SW_CFG0, 0x00040a06);
+		rt2x00usb_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
+	}
+
+	rt2x00usb_register_read(rt2x00dev, TX_LINK_CFG, &reg);
+	rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFB_LIFETIME, 32);
+	rt2x00_set_field32(&reg, TX_LINK_CFG_MFB_ENABLE, 0);
+	rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_UMFS_ENABLE, 0);
+	rt2x00_set_field32(&reg, TX_LINK_CFG_TX_MRQ_EN, 0);
+	rt2x00_set_field32(&reg, TX_LINK_CFG_TX_RDG_EN, 0);
+	rt2x00_set_field32(&reg, TX_LINK_CFG_TX_CF_ACK_EN, 1);
+	rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFB, 0);
+	rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFS, 0);
+	rt2x00usb_register_write(rt2x00dev, TX_LINK_CFG, reg);
+
+	rt2x00usb_register_read(rt2x00dev, TX_TIMEOUT_CFG, &reg);
+	rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_MPDU_LIFETIME, 9);
+	rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_TX_OP_TIMEOUT, 10);
+	rt2x00usb_register_write(rt2x00dev, TX_TIMEOUT_CFG, reg);
+
+	rt2x00usb_register_read(rt2x00dev, MAX_LEN_CFG, &reg);
+	rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_MPDU, AGGREGATION_SIZE);
+	if (rt2x00_rev(&rt2x00dev->chip) >= RT2880E_VERSION &&
+	    rt2x00_rev(&rt2x00dev->chip) < RT3070_VERSION)
+		rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_PSDU, 2);
+	else
+		rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_PSDU, 1);
+	rt2x00_set_field32(&reg, MAX_LEN_CFG_MIN_PSDU, 0);
+	rt2x00_set_field32(&reg, MAX_LEN_CFG_MIN_MPDU, 0);
+	rt2x00usb_register_write(rt2x00dev, MAX_LEN_CFG, reg);
+
+	rt2x00usb_register_write(rt2x00dev, PBF_MAX_PCNT, 0x1f3fbf9f);
+
+	rt2x00usb_register_read(rt2x00dev, AUTO_RSP_CFG, &reg);
+	rt2x00_set_field32(&reg, AUTO_RSP_CFG_AUTORESPONDER, 1);
+	rt2x00_set_field32(&reg, AUTO_RSP_CFG_CTS_40_MMODE, 0);
+	rt2x00_set_field32(&reg, AUTO_RSP_CFG_CTS_40_MREF, 0);
+	rt2x00_set_field32(&reg, AUTO_RSP_CFG_DUAL_CTS_EN, 0);
+	rt2x00_set_field32(&reg, AUTO_RSP_CFG_ACK_CTS_PSM_BIT, 0);
+	rt2x00usb_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
+
+	rt2x00usb_register_read(rt2x00dev, CCK_PROT_CFG, &reg);
+	rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_RATE, 3);
+	rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_CTRL, 0);
+	rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_NAV, 1);
+	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_CCK, 1);
+	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
+	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_MM20, 1);
+	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_MM40, 0);
+	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_GF20, 1);
+	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_GF40, 1);
+	rt2x00usb_register_write(rt2x00dev, CCK_PROT_CFG, reg);
+
+	rt2x00usb_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
+	rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_RATE, 3);
+	rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_CTRL, 0);
+	rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_NAV, 1);
+	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_CCK, 1);
+	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
+	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_MM20, 1);
+	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_MM40, 0);
+	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_GF20, 1);
+	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_GF40, 1);
+	rt2x00usb_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
+
+	rt2x00usb_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
+	rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_RATE, 0x4004);
+	rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_CTRL, 0);
+	rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_NAV, 1);
+	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_CCK, 1);
+	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
+	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_MM20, 1);
+	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
+	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
+	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
+	rt2x00usb_register_write(rt2x00dev, MM20_PROT_CFG, reg);
+
+	rt2x00usb_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
+	rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_RATE, 0x4084);
+	rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_CTRL, 0);
+	rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_NAV, 1);
+	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_CCK, 1);
+	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
+	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_MM20, 1);
+	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
+	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
+	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
+	rt2x00usb_register_write(rt2x00dev, MM40_PROT_CFG, reg);
+
+	rt2x00usb_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
+	rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_RATE, 0x4004);
+	rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_CTRL, 0);
+	rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_NAV, 1);
+	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_CCK, 1);
+	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
+	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_MM20, 1);
+	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
+	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
+	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
+	rt2x00usb_register_write(rt2x00dev, GF20_PROT_CFG, reg);
+
+	rt2x00usb_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
+	rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_RATE, 0x4084);
+	rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_CTRL, 0);
+	rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_NAV, 1);
+	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_CCK, 1);
+	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
+	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_MM20, 1);
+	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
+	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
+	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
+	rt2x00usb_register_write(rt2x00dev, GF40_PROT_CFG, reg);
+
+	rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40006);
+
+	rt2x00usb_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
+	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
+	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
+	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
+	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
+	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_WP_DMA_BURST_SIZE, 3);
+	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 0);
+	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_BIG_ENDIAN, 0);
+	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_HDR_SCATTER, 0);
+	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_HDR_SEG_LEN, 0);
+	rt2x00usb_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
+
+	rt2x00usb_register_write(rt2x00dev, TXOP_CTRL_CFG, 0x0000583f);
+	rt2x00usb_register_write(rt2x00dev, TXOP_HLDR_ET, 0x00000002);
+
+	rt2x00usb_register_read(rt2x00dev, TX_RTS_CFG, &reg);
+	rt2x00_set_field32(&reg, TX_RTS_CFG_AUTO_RTS_RETRY_LIMIT, 32);
+	rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_FBK_EN, 0);
+	rt2x00usb_register_write(rt2x00dev, TX_RTS_CFG, reg);
+
+	rt2x00usb_register_write(rt2x00dev, EXP_ACK_TIME, 0x002400ca);
+	rt2x00usb_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
+
+	/*
+	 * ASIC will keep garbage value after boot, clear encryption keys.
+	 */
+	for (i = 0; i < 254; i++) {
+		u32 wcid[2] = { 0xffffffff, 0x00ffffff };
+		rt2x00usb_register_multiwrite(rt2x00dev, MAC_WCID_ENTRY(i),
+					      wcid, sizeof(wcid));
+	}
+
+	for (i = 0; i < 4; i++)
+		rt2x00usb_register_write(rt2x00dev,
+					 SHARED_KEY_MODE_ENTRY(i), 0);
+
+	for (i = 0; i < 256; i++)
+		rt2x00usb_register_write(rt2x00dev, MAC_WCID_ATTR_ENTRY(i), 1);
+
+	/*
+	 * Clear all beacons
+	 * For the Beacon base registers we only need to clear
+	 * the first byte since that byte contains the VALID and OWNER
+	 * bits which (when set to 0) will invalidate the entire beacon.
+	 */
+	rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE0, 0);
+	rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE1, 0);
+	rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE2, 0);
+	rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE3, 0);
+	rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE4, 0);
+	rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE5, 0);
+	rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE6, 0);
+	rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE7, 0);
+
+	rt2x00usb_register_read(rt2x00dev, USB_CYC_CFG, &reg);
+	rt2x00_set_field32(&reg, USB_CYC_CFG_CLOCK_CYCLE, 30);
+	rt2x00usb_register_write(rt2x00dev, USB_CYC_CFG, reg);
+
+	rt2x00usb_register_read(rt2x00dev, HT_FBK_CFG0, &reg);
+	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS0FBK, 0);
+	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS1FBK, 0);
+	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS2FBK, 1);
+	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS3FBK, 2);
+	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS4FBK, 3);
+	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS5FBK, 4);
+	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS6FBK, 5);
+	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS7FBK, 6);
+	rt2x00usb_register_write(rt2x00dev, HT_FBK_CFG0, reg);
+
+	rt2x00usb_register_read(rt2x00dev, HT_FBK_CFG1, &reg);
+	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS8FBK, 8);
+	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS9FBK, 8);
+	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS10FBK, 9);
+	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS11FBK, 10);
+	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS12FBK, 11);
+	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS13FBK, 12);
+	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS14FBK, 13);
+	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS15FBK, 14);
+	rt2x00usb_register_write(rt2x00dev, HT_FBK_CFG1, reg);
+
+	rt2x00usb_register_read(rt2x00dev, LG_FBK_CFG0, &reg);
+	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS0FBK, 8);
+	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS1FBK, 8);
+	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS2FBK, 10);
+	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS3FBK, 11);
+	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS4FBK, 12);
+	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS5FBK, 13);
+	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS6FBK, 14);
+	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS7FBK, 15);
+	rt2x00usb_register_write(rt2x00dev, LG_FBK_CFG0, reg);
+
+	rt2x00usb_register_read(rt2x00dev, LG_FBK_CFG1, &reg);
+	rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS0FBK, 0);
+	rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS1FBK, 0);
+	rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS2FBK, 1);
+	rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS3FBK, 2);
+	rt2x00usb_register_write(rt2x00dev, LG_FBK_CFG1, reg);
+
+	/*
+	 * We must clear the error counters.
+	 * These registers are cleared on read,
+	 * so we may pass a useless variable to store the value.
+	 */
+	rt2x00usb_register_read(rt2x00dev, RX_STA_CNT0, &reg);
+	rt2x00usb_register_read(rt2x00dev, RX_STA_CNT1, &reg);
+	rt2x00usb_register_read(rt2x00dev, RX_STA_CNT2, &reg);
+	rt2x00usb_register_read(rt2x00dev, TX_STA_CNT0, &reg);
+	rt2x00usb_register_read(rt2x00dev, TX_STA_CNT1, &reg);
+	rt2x00usb_register_read(rt2x00dev, TX_STA_CNT2, &reg);
+
+	return 0;
+}
+
+static int rt2800usb_wait_bbp_rf_ready(struct rt2x00_dev *rt2x00dev)
+{
+	unsigned int i;
+	u32 reg;
+
+	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
+		rt2x00usb_register_read(rt2x00dev, MAC_STATUS_CFG, &reg);
+		if (!rt2x00_get_field32(reg, MAC_STATUS_CFG_BBP_RF_BUSY))
+			return 0;
+
+		udelay(REGISTER_BUSY_DELAY);
+	}
+
+	ERROR(rt2x00dev, "BBP/RF register access failed, aborting.\n");
+	return -EACCES;
+}
+
+static int rt2800usb_wait_bbp_ready(struct rt2x00_dev *rt2x00dev)
+{
+	unsigned int i;
+	u8 value;
+
+	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
+		rt2800usb_bbp_read(rt2x00dev, 0, &value);
+		if ((value != 0xff) && (value != 0x00))
+			return 0;
+		udelay(REGISTER_BUSY_DELAY);
+	}
+
+	ERROR(rt2x00dev, "BBP register access failed, aborting.\n");
+	return -EACCES;
+}
+
+static int rt2800usb_init_bbp(struct rt2x00_dev *rt2x00dev)
+{
+	unsigned int i;
+	u16 eeprom;
+	u8 reg_id;
+	u8 value;
+
+	if (unlikely(rt2800usb_wait_bbp_rf_ready(rt2x00dev) ||
+		     rt2800usb_wait_bbp_ready(rt2x00dev)))
+		return -EACCES;
+
+	rt2800usb_bbp_write(rt2x00dev, 65, 0x2c);
+	rt2800usb_bbp_write(rt2x00dev, 66, 0x38);
+	rt2800usb_bbp_write(rt2x00dev, 69, 0x12);
+	rt2800usb_bbp_write(rt2x00dev, 70, 0x0a);
+	rt2800usb_bbp_write(rt2x00dev, 73, 0x10);
+	rt2800usb_bbp_write(rt2x00dev, 81, 0x37);
+	rt2800usb_bbp_write(rt2x00dev, 82, 0x62);
+	rt2800usb_bbp_write(rt2x00dev, 83, 0x6a);
+	rt2800usb_bbp_write(rt2x00dev, 84, 0x99);
+	rt2800usb_bbp_write(rt2x00dev, 86, 0x00);
+	rt2800usb_bbp_write(rt2x00dev, 91, 0x04);
+	rt2800usb_bbp_write(rt2x00dev, 92, 0x00);
+	rt2800usb_bbp_write(rt2x00dev, 103, 0x00);
+	rt2800usb_bbp_write(rt2x00dev, 105, 0x05);
+
+	if (rt2x00_rev(&rt2x00dev->chip) == RT2860C_VERSION) {
+		rt2800usb_bbp_write(rt2x00dev, 69, 0x16);
+		rt2800usb_bbp_write(rt2x00dev, 73, 0x12);
+	}
+
+	if (rt2x00_rev(&rt2x00dev->chip) == RT3070_VERSION) {
+		rt2800usb_bbp_write(rt2x00dev, 70, 0x0a);
+		rt2800usb_bbp_write(rt2x00dev, 84, 0x99);
+		rt2800usb_bbp_write(rt2x00dev, 105, 0x05);
+	}
+
+	for (i = 0; i < EEPROM_BBP_SIZE; i++) {
+		rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
+
+		if (eeprom != 0xffff && eeprom != 0x0000) {
+			reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
+			value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
+			rt2800usb_bbp_write(rt2x00dev, reg_id, value);
+		}
+	}
+
+	return 0;
+}
+
+static u8 rt2800usb_init_rx_filter(struct rt2x00_dev *rt2x00dev,
+				   bool bw40, u8 rfcsr24, u8 filter_target)
+{
+	unsigned int i;
+	u8 bbp;
+	u8 rfcsr;
+	u8 passband;
+	u8 stopband;
+	u8 overtuned = 0;
+
+	rt2800usb_rfcsr_write(rt2x00dev, 24, rfcsr24);
+
+	if (bw40) {
+		rt2800usb_bbp_read(rt2x00dev, 4, &bbp);
+		rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 0x10);
+		rt2800usb_bbp_write(rt2x00dev, 4, bbp);
+	}
+
+	rt2800usb_rfcsr_read(rt2x00dev, 22, &rfcsr);
+	rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 1);
+	rt2800usb_rfcsr_write(rt2x00dev, 22, rfcsr);
+
+	/*
+	 * Set power & frequency of passband test tone
+	 */
+	rt2800usb_bbp_write(rt2x00dev, 24, 0);
+
+	for (i = 0; i < 100; i++) {
+		rt2800usb_bbp_write(rt2x00dev, 25, 0x90);
+		msleep(1);
+
+		rt2800usb_bbp_read(rt2x00dev, 55, &passband);
+		if (passband)
+			break;
+	}
+
+	/*
+	 * Set power & frequency of stopband test tone
+	 */
+	rt2800usb_bbp_write(rt2x00dev, 24, 0x06);
+
+	for (i = 0; i < 100; i++) {
+		rt2800usb_bbp_write(rt2x00dev, 25, 0x90);
+		msleep(1);
+
+		rt2800usb_bbp_read(rt2x00dev, 55, &stopband);
+
+		if ((passband - stopband) <= filter_target) {
+			rfcsr24++;
+			overtuned += ((passband - stopband) == filter_target);
+		} else
+			break;
+
+		rt2800usb_rfcsr_write(rt2x00dev, 24, rfcsr24);
+	}
+
+	rfcsr24 -= !!overtuned;
+
+	rt2800usb_rfcsr_write(rt2x00dev, 24, rfcsr24);
+	return rfcsr24;
+}
+
+static int rt2800usb_init_rfcsr(struct rt2x00_dev *rt2x00dev)
+{
+	u8 rfcsr;
+	u8 bbp;
+
+	if (rt2x00_rev(&rt2x00dev->chip) != RT3070_VERSION)
+		return 0;
+
+	/*
+	 * Init RF calibration.
+	 */
+	rt2800usb_rfcsr_read(rt2x00dev, 30, &rfcsr);
+	rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1);
+	rt2800usb_rfcsr_write(rt2x00dev, 30, rfcsr);
+	msleep(1);
+	rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 0);
+	rt2800usb_rfcsr_write(rt2x00dev, 30, rfcsr);
+
+	rt2800usb_rfcsr_write(rt2x00dev, 4, 0x40);
+	rt2800usb_rfcsr_write(rt2x00dev, 5, 0x03);
+	rt2800usb_rfcsr_write(rt2x00dev, 6, 0x02);
+	rt2800usb_rfcsr_write(rt2x00dev, 7, 0x70);
+	rt2800usb_rfcsr_write(rt2x00dev, 9, 0x0f);
+	rt2800usb_rfcsr_write(rt2x00dev, 10, 0x71);
+	rt2800usb_rfcsr_write(rt2x00dev, 11, 0x21);
+	rt2800usb_rfcsr_write(rt2x00dev, 12, 0x7b);
+	rt2800usb_rfcsr_write(rt2x00dev, 14, 0x90);
+	rt2800usb_rfcsr_write(rt2x00dev, 15, 0x58);
+	rt2800usb_rfcsr_write(rt2x00dev, 16, 0xb3);
+	rt2800usb_rfcsr_write(rt2x00dev, 17, 0x92);
+	rt2800usb_rfcsr_write(rt2x00dev, 18, 0x2c);
+	rt2800usb_rfcsr_write(rt2x00dev, 19, 0x02);
+	rt2800usb_rfcsr_write(rt2x00dev, 20, 0xba);
+	rt2800usb_rfcsr_write(rt2x00dev, 21, 0xdb);
+	rt2800usb_rfcsr_write(rt2x00dev, 24, 0x16);
+	rt2800usb_rfcsr_write(rt2x00dev, 25, 0x01);
+	rt2800usb_rfcsr_write(rt2x00dev, 27, 0x03);
+	rt2800usb_rfcsr_write(rt2x00dev, 29, 0x1f);
+
+	/*
+	 * Set RX Filter calibration for 20MHz and 40MHz
+	 */
+	rt2x00dev->calibration_bw20 =
+	    rt2800usb_init_rx_filter(rt2x00dev, false, 0x07, 0x16);
+	rt2x00dev->calibration_bw40 =
+	    rt2800usb_init_rx_filter(rt2x00dev, true, 0x27, 0x19);
+
+	/*
+	 * Set back to initial state
+	 */
+	rt2800usb_bbp_write(rt2x00dev, 24, 0);
+
+	rt2800usb_rfcsr_read(rt2x00dev, 22, &rfcsr);
+	rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 0);
+	rt2800usb_rfcsr_write(rt2x00dev, 22, rfcsr);
+
+	/*
+	 * set BBP back to BW20
+	 */
+	rt2800usb_bbp_read(rt2x00dev, 4, &bbp);
+	rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 0);
+	rt2800usb_bbp_write(rt2x00dev, 4, bbp);
+
+	return 0;
+}
+
+/*
+ * Device state switch handlers.
+ */
+static void rt2800usb_toggle_rx(struct rt2x00_dev *rt2x00dev,
+				enum dev_state state)
+{
+	u32 reg;
+
+	rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
+	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX,
+			   (state == STATE_RADIO_RX_ON) ||
+			   (state == STATE_RADIO_RX_ON_LINK));
+	rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
+}
+
+static int rt2800usb_wait_wpdma_ready(struct rt2x00_dev *rt2x00dev)
+{
+	unsigned int i;
+	u32 reg;
+
+	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
+		rt2x00usb_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
+		if (!rt2x00_get_field32(reg, WPDMA_GLO_CFG_TX_DMA_BUSY) &&
+		    !rt2x00_get_field32(reg, WPDMA_GLO_CFG_RX_DMA_BUSY))
+			return 0;
+
+		msleep(1);
+	}
+
+	ERROR(rt2x00dev, "WPDMA TX/RX busy, aborting.\n");
+	return -EACCES;
+}
+
+static int rt2800usb_enable_radio(struct rt2x00_dev *rt2x00dev)
+{
+	u32 reg;
+	u16 word;
+
+	/*
+	 * Initialize all registers.
+	 */
+	if (unlikely(rt2800usb_wait_wpdma_ready(rt2x00dev) ||
+		     rt2800usb_init_registers(rt2x00dev) ||
+		     rt2800usb_init_bbp(rt2x00dev) ||
+		     rt2800usb_init_rfcsr(rt2x00dev)))
+		return -EIO;
+
+	rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
+	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 1);
+	rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
+
+	udelay(50);
+
+	rt2x00usb_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
+	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
+	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 1);
+	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 1);
+	rt2x00usb_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
+
+
+	rt2x00usb_register_read(rt2x00dev, USB_DMA_CFG, &reg);
+	rt2x00_set_field32(&reg, USB_DMA_CFG_PHY_CLEAR, 0);
+	/* Don't use bulk in aggregation when working with USB 1.1 */
+	rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_EN,
+			   (rt2x00dev->rx->usb_maxpacket == 512));
+	rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_TIMEOUT, 128);
+	/* FIXME: Calculate this value based on Aggregation defines */
+	rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_LIMIT, 21);
+	rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_EN, 1);
+	rt2x00_set_field32(&reg, USB_DMA_CFG_TX_BULK_EN, 1);
+	rt2x00usb_register_write(rt2x00dev, USB_DMA_CFG, reg);
+
+	rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
+	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 1);
+	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 1);
+	rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
+
+	/*
+	 * Send signal to firmware during boot time.
+	 */
+	rt2800usb_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0xff, 0, 0);
+
+	/*
+	 * Initialize LED control
+	 */
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_LED1, &word);
+	rt2800usb_mcu_request(rt2x00dev, MCU_LED_1, 0xff,
+			      word & 0xff, (word >> 8) & 0xff);
+
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_LED2, &word);
+	rt2800usb_mcu_request(rt2x00dev, MCU_LED_2, 0xff,
+			      word & 0xff, (word >> 8) & 0xff);
+
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_LED3, &word);
+	rt2800usb_mcu_request(rt2x00dev, MCU_LED_3, 0xff,
+			      word & 0xff, (word >> 8) & 0xff);
+
+	return 0;
+}
+
+static void rt2800usb_disable_radio(struct rt2x00_dev *rt2x00dev)
+{
+	u32 reg;
+
+	rt2x00usb_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
+	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
+	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
+	rt2x00usb_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
+
+	rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, 0);
+	rt2x00usb_register_write(rt2x00dev, PWR_PIN_CFG, 0);
+	rt2x00usb_register_write(rt2x00dev, TX_PIN_CFG, 0);
+
+	/* Wait for DMA, ignore error */
+	rt2800usb_wait_wpdma_ready(rt2x00dev);
+
+	rt2x00usb_disable_radio(rt2x00dev);
+}
+
+static int rt2800usb_set_state(struct rt2x00_dev *rt2x00dev,
+			       enum dev_state state)
+{
+	rt2x00usb_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0);
+
+	if (state == STATE_AWAKE)
+		rt2800usb_mcu_request(rt2x00dev, MCU_WAKEUP, 0xff, 0, 0);
+	else
+		rt2800usb_mcu_request(rt2x00dev, MCU_SLEEP, 0xff, 0, 2);
+
+	return 0;
+}
+
+static int rt2800usb_set_device_state(struct rt2x00_dev *rt2x00dev,
+				      enum dev_state state)
+{
+	int retval = 0;
+
+	switch (state) {
+	case STATE_RADIO_ON:
+		/*
+		 * Before the radio can be enabled, the device first has
+		 * to be woken up. After that it needs a bit of time
+		 * to be fully awake and the radio can be enabled.
+		 */
+		rt2800usb_set_state(rt2x00dev, STATE_AWAKE);
+		msleep(1);
+		retval = rt2800usb_enable_radio(rt2x00dev);
+		break;
+	case STATE_RADIO_OFF:
+		/*
+		 * After the radio has been disablee, the device should
+		 * be put to sleep for powersaving.
+		 */
+		rt2800usb_disable_radio(rt2x00dev);
+		rt2800usb_set_state(rt2x00dev, STATE_SLEEP);
+		break;
+	case STATE_RADIO_RX_ON:
+	case STATE_RADIO_RX_ON_LINK:
+	case STATE_RADIO_RX_OFF:
+	case STATE_RADIO_RX_OFF_LINK:
+		rt2800usb_toggle_rx(rt2x00dev, state);
+		break;
+	case STATE_RADIO_IRQ_ON:
+	case STATE_RADIO_IRQ_OFF:
+		/* No support, but no error either */
+		break;
+	case STATE_DEEP_SLEEP:
+	case STATE_SLEEP:
+	case STATE_STANDBY:
+	case STATE_AWAKE:
+		retval = rt2800usb_set_state(rt2x00dev, state);
+		break;
+	default:
+		retval = -ENOTSUPP;
+		break;
+	}
+
+	if (unlikely(retval))
+		ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n",
+		      state, retval);
+
+	return retval;
+}
+
+/*
+ * TX descriptor initialization
+ */
+static void rt2800usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
+				    struct sk_buff *skb,
+				    struct txentry_desc *txdesc)
+{
+	struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
+	__le32 *txi = skbdesc->desc;
+	__le32 *txwi = txi + TXINFO_DESC_SIZE;
+	u32 word;
+
+	/*
+	 * Initialize TX Info descriptor
+	 */
+	rt2x00_desc_read(txwi, 0, &word);
+	rt2x00_set_field32(&word, TXWI_W0_FRAG,
+			   test_bit(ENTRY_TXD_FIRST_FRAGMENT, &txdesc->flags) ||
+			   test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
+	rt2x00_set_field32(&word, TXWI_W0_MIMO_PS, 0);
+	rt2x00_set_field32(&word, TXWI_W0_CF_ACK, 0);
+	rt2x00_set_field32(&word, TXWI_W0_TS,
+			   test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
+	rt2x00_set_field32(&word, TXWI_W0_AMPDU,
+			   test_bit(ENTRY_TXD_HT_AMPDU, &txdesc->flags));
+	rt2x00_set_field32(&word, TXWI_W0_MPDU_DENSITY, txdesc->mpdu_density);
+	rt2x00_set_field32(&word, TXWI_W0_TX_OP, txdesc->ifs);
+	rt2x00_set_field32(&word, TXWI_W0_MCS, txdesc->mcs);
+	rt2x00_set_field32(&word, TXWI_W0_BW,
+			   test_bit(ENTRY_TXD_HT_BW_40, &txdesc->flags));
+	rt2x00_set_field32(&word, TXWI_W0_SHORT_GI,
+			   test_bit(ENTRY_TXD_HT_SHORT_GI, &txdesc->flags));
+	rt2x00_set_field32(&word, TXWI_W0_STBC, txdesc->stbc);
+	rt2x00_set_field32(&word, TXWI_W0_PHYMODE, txdesc->rate_mode);
+	rt2x00_desc_write(txwi, 0, word);
+
+	rt2x00_desc_read(txwi, 1, &word);
+	rt2x00_set_field32(&word, TXWI_W1_ACK,
+			   test_bit(ENTRY_TXD_ACK, &txdesc->flags));
+	rt2x00_set_field32(&word, TXWI_W1_NSEQ,
+			   test_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags));
+	rt2x00_set_field32(&word, TXWI_W1_BW_WIN_SIZE, txdesc->ba_size);
+	rt2x00_set_field32(&word, TXWI_W1_WIRELESS_CLI_ID, 0xff);
+	rt2x00_set_field32(&word, TXWI_W1_MPDU_TOTAL_BYTE_COUNT, skb->len);
+	rt2x00_set_field32(&word, TXWI_W1_PACKETID,
+			   skbdesc->entry->entry_idx);
+	rt2x00_desc_write(txwi, 1, word);
+
+	if (test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags)) {
+		_rt2x00_desc_write(txwi, 2, skbdesc->iv[0]);
+		_rt2x00_desc_write(txwi, 3, skbdesc->iv[1]);
+	}
+
+	/*
+	 * Initialize TX descriptor
+	 */
+	rt2x00_desc_read(txi, 0, &word);
+	rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_PKT_LEN,
+			   roundup(skb->len + TXWI_DESC_SIZE, 4));
+	rt2x00_set_field32(&word, TXINFO_W0_WIV, 1);
+	rt2x00_set_field32(&word, TXINFO_W0_QSEL, 2);
+	rt2x00_set_field32(&word, TXINFO_W0_SW_USE_LAST_ROUND, 0);
+	rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_NEXT_VALID, 0);
+	rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_BURST,
+			   test_bit(ENTRY_TXD_BURST, &txdesc->flags));
+	rt2x00_desc_write(txi, 0, word);
+}
+
+/*
+ * TX data initialization
+ */
+static void rt2800usb_write_beacon(struct queue_entry *entry)
+{
+	struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
+	struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
+	unsigned int beacon_base;
+	u32 reg;
+
+	/*
+	 * Add the descriptor in front of the skb.
+	 */
+	skb_push(entry->skb, entry->queue->desc_size);
+	memcpy(entry->skb->data, skbdesc->desc, skbdesc->desc_len);
+	skbdesc->desc = entry->skb->data;
+
+	/*
+	 * Disable beaconing while we are reloading the beacon data,
+	 * otherwise we might be sending out invalid data.
+	 */
+	rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
+	rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 0);
+	rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 0);
+	rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
+	rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg);
+
+	/*
+	 * Write entire beacon with descriptor to register.
+	 */
+	beacon_base = HW_BEACON_OFFSET(entry->entry_idx);
+	rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE,
+					    USB_VENDOR_REQUEST_OUT, beacon_base,
+					    entry->skb->data, entry->skb->len,
+					    REGISTER_TIMEOUT32(entry->skb->len));
+
+	/*
+	 * Clean up the beacon skb.
+	 */
+	dev_kfree_skb(entry->skb);
+	entry->skb = NULL;
+}
+
+static int rt2800usb_get_tx_data_len(struct queue_entry *entry)
+{
+	int length;
+
+	/*
+	 * The length _must_ be a multiple of 4,
+	 * but it must _not_ be a multiple of the USB packet size.
+	 */
+	length = roundup(entry->skb->len, 4);
+	length += (4 * !(length % entry->queue->usb_maxpacket));
+
+	return length;
+}
+
+static void rt2800usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
+				    const enum data_queue_qid queue)
+{
+	u32 reg;
+
+	if (queue != QID_BEACON) {
+		rt2x00usb_kick_tx_queue(rt2x00dev, queue);
+		return;
+	}
+
+	rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
+	if (!rt2x00_get_field32(reg, BCN_TIME_CFG_BEACON_GEN)) {
+		rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 1);
+		rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 1);
+		rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 1);
+		rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg);
+	}
+}
+
+/*
+ * RX control handlers
+ */
+static void rt2800usb_fill_rxdone(struct queue_entry *entry,
+				  struct rxdone_entry_desc *rxdesc)
+{
+	struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
+	struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
+	__le32 *rxd = (__le32 *)entry->skb->data;
+	__le32 *rxwi = (__le32 *)(entry->skb->data + skbdesc->desc_len);
+	u32 rxd0;
+	u32 rxwi0;
+	u32 rxwi1;
+	u32 rxwi2;
+	u32 rxwi3;
+
+	/*
+	 * Copy descriptor to the skbdesc->desc buffer, making it safe from
+	 * moving of frame data in rt2x00usb.
+	 */
+	memcpy(skbdesc->desc, rxd, skbdesc->desc_len);
+	rxd = (__le32 *)skbdesc->desc;
+
+	/*
+	 * It is now safe to read the descriptor on all architectures.
+	 */
+	rt2x00_desc_read(rxd, 0, &rxd0);
+	rt2x00_desc_read(rxwi, 0, &rxwi0);
+	rt2x00_desc_read(rxwi, 1, &rxwi1);
+	rt2x00_desc_read(rxwi, 2, &rxwi2);
+	rt2x00_desc_read(rxwi, 3, &rxwi3);
+
+	if (rt2x00_get_field32(rxd0, RXD_W0_CRC_ERROR))
+		rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
+
+	if (test_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags)) {
+		/*
+		 * Unfortunately we don't know the cipher type used during
+		 * decryption. This prevents us from correct providing
+		 * correct statistics through debugfs.
+		 */
+		rxdesc->cipher = CIPHER_NONE;
+		rxdesc->cipher_status =
+		    rt2x00_get_field32(rxd0, RXD_W0_CIPHER_ERROR);
+	}
+
+	if (rt2x00_get_field32(rxd0, RXD_W0_DECRYPTED)) {
+		/*
+		 * Hardware has stripped IV/EIV data from 802.11 frame during
+		 * decryption. Unfortunately the descriptor doesn't contain
+		 * any fields with the EIV/IV data either, so they can't
+		 * be restored by rt2x00lib.
+		 */
+		rxdesc->flags |= RX_FLAG_IV_STRIPPED;
+
+		if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS)
+			rxdesc->flags |= RX_FLAG_DECRYPTED;
+		else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC)
+			rxdesc->flags |= RX_FLAG_MMIC_ERROR;
+	}
+
+	if (rt2x00_get_field32(rxd0, RXD_W0_MY_BSS))
+		rxdesc->dev_flags |= RXDONE_MY_BSS;
+
+	if (rt2x00_get_field32(rxwi1, RXWI_W1_SHORT_GI))
+		rxdesc->flags |= RX_FLAG_SHORT_GI;
+
+	if (rt2x00_get_field32(rxwi1, RXWI_W1_BW))
+		rxdesc->flags |= RX_FLAG_40MHZ;
+
+	/*
+	 * Detect RX rate, always use MCS as signal type.
+	 */
+	rxdesc->dev_flags |= RXDONE_SIGNAL_MCS;
+	rxdesc->rate_mode = rt2x00_get_field32(rxwi1, RXWI_W1_PHYMODE);
+	rxdesc->signal = rt2x00_get_field32(rxwi1, RXWI_W1_MCS);
+
+	/*
+	 * Mask of 0x8 bit to remove the short preamble flag.
+	 */
+	if (rxdesc->dev_flags == RATE_MODE_CCK)
+		rxdesc->signal &= ~0x8;
+
+	rxdesc->rssi =
+	    (rt2x00_get_field32(rxwi2, RXWI_W2_RSSI0) +
+	     rt2x00_get_field32(rxwi2, RXWI_W2_RSSI1) +
+	     rt2x00_get_field32(rxwi2, RXWI_W2_RSSI2)) / 3;
+
+	rxdesc->noise =
+	    (rt2x00_get_field32(rxwi3, RXWI_W3_SNR0) +
+	     rt2x00_get_field32(rxwi3, RXWI_W3_SNR1)) / 2;
+
+	rxdesc->size = rt2x00_get_field32(rxwi0, RXWI_W0_MPDU_TOTAL_BYTE_COUNT);
+
+	/*
+	 * Remove RXWI descriptor from start of buffer.
+	 */
+	skb_pull(entry->skb, RXWI_DESC_SIZE + skbdesc->desc_len);
+	skb_trim(entry->skb, rxdesc->size);
+}
+
+/*
+ * Device probe functions.
+ */
+static int rt2800usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
+{
+	u16 word;
+	u8 *mac;
+	u8 default_lna_gain;
+
+	rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom, EEPROM_SIZE);
+
+	/*
+	 * Start validation of the data that has been read.
+	 */
+	mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
+	if (!is_valid_ether_addr(mac)) {
+		DECLARE_MAC_BUF(macbuf);
+
+		random_ether_addr(mac);
+		EEPROM(rt2x00dev, "MAC: %s\n", print_mac(macbuf, mac));
+	}
+
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
+	if (word == 0xffff) {
+		rt2x00_set_field16(&word, EEPROM_ANTENNA_RXPATH, 2);
+		rt2x00_set_field16(&word, EEPROM_ANTENNA_TXPATH, 1);
+		rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF2820);
+		rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
+		EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word);
+	}
+
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word);
+	if (word == 0xffff) {
+		rt2x00_set_field16(&word, EEPROM_NIC_HW_RADIO, 0);
+		rt2x00_set_field16(&word, EEPROM_NIC_DYNAMIC_TX_AGC, 0);
+		rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA_BG, 0);
+		rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA_A, 0);
+		rt2x00_set_field16(&word, EEPROM_NIC_CARDBUS_ACCEL, 0);
+		rt2x00_set_field16(&word, EEPROM_NIC_BW40M_SB_BG, 0);
+		rt2x00_set_field16(&word, EEPROM_NIC_BW40M_SB_A, 0);
+		rt2x00_set_field16(&word, EEPROM_NIC_WPS_PBC, 0);
+		rt2x00_set_field16(&word, EEPROM_NIC_BW40M_BG, 0);
+		rt2x00_set_field16(&word, EEPROM_NIC_BW40M_A, 0);
+		rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word);
+		EEPROM(rt2x00dev, "NIC: 0x%04x\n", word);
+	}
+
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &word);
+	if ((word & 0x00ff) == 0x00ff) {
+		rt2x00_set_field16(&word, EEPROM_FREQ_OFFSET, 0);
+		rt2x00_set_field16(&word, EEPROM_FREQ_LED_MODE,
+				   LED_MODE_TXRX_ACTIVITY);
+		rt2x00_set_field16(&word, EEPROM_FREQ_LED_POLARITY, 0);
+		rt2x00_eeprom_write(rt2x00dev, EEPROM_FREQ, word);
+		rt2x00_eeprom_write(rt2x00dev, EEPROM_LED1, 0x5555);
+		rt2x00_eeprom_write(rt2x00dev, EEPROM_LED2, 0x2221);
+		rt2x00_eeprom_write(rt2x00dev, EEPROM_LED3, 0xa9f8);
+		EEPROM(rt2x00dev, "Freq: 0x%04x\n", word);
+	}
+
+	/*
+	 * During the LNA validation we are going to use
+	 * lna0 as correct value. Note that EEPROM_LNA
+	 * is never validated.
+	 */
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &word);
+	default_lna_gain = rt2x00_get_field16(word, EEPROM_LNA_A0);
+
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG, &word);
+	if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET0)) > 10)
+		rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET0, 0);
+	if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET1)) > 10)
+		rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET1, 0);
+	rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_BG, word);
+
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &word);
+	if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG2_OFFSET2)) > 10)
+		rt2x00_set_field16(&word, EEPROM_RSSI_BG2_OFFSET2, 0);
+	if (rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0x00 ||
+	    rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0xff)
+		rt2x00_set_field16(&word, EEPROM_RSSI_BG2_LNA_A1,
+				   default_lna_gain);
+	rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_BG2, word);
+
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A, &word);
+	if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET0)) > 10)
+		rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET0, 0);
+	if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET1)) > 10)
+		rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET1, 0);
+	rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_A, word);
+
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &word);
+	if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A2_OFFSET2)) > 10)
+		rt2x00_set_field16(&word, EEPROM_RSSI_A2_OFFSET2, 0);
+	if (rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0x00 ||
+	    rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0xff)
+		rt2x00_set_field16(&word, EEPROM_RSSI_A2_LNA_A2,
+				   default_lna_gain);
+	rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_A2, word);
+
+	return 0;
+}
+
+static int rt2800usb_init_eeprom(struct rt2x00_dev *rt2x00dev)
+{
+	u32 reg;
+	u16 value;
+	u16 eeprom;
+
+	/*
+	 * Read EEPROM word for configuration.
+	 */
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
+
+	/*
+	 * Identify RF chipset.
+	 */
+	value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
+	rt2x00usb_register_read(rt2x00dev, MAC_CSR0, &reg);
+	rt2x00_set_chip(rt2x00dev, RT2870, value, reg);
+
+	/*
+	 * The check for rt2860 is not a typo, some rt2870 hardware
+	 * identifies itself as rt2860 in the CSR register.
+	 */
+	if ((rt2x00_get_field32(reg, MAC_CSR0_ASIC_VER) != 0x2860) &&
+	    (rt2x00_get_field32(reg, MAC_CSR0_ASIC_VER) != 0x2870)) {
+		ERROR(rt2x00dev, "Invalid RT chipset detected.\n");
+		return -ENODEV;
+	}
+
+	if (!rt2x00_rf(&rt2x00dev->chip, RF2820) &&
+	    !rt2x00_rf(&rt2x00dev->chip, RF2850) &&
+	    !rt2x00_rf(&rt2x00dev->chip, RF2720) &&
+	    !rt2x00_rf(&rt2x00dev->chip, RF2750) &&
+	    !rt2x00_rf(&rt2x00dev->chip, RF3020) &&
+	    !rt2x00_rf(&rt2x00dev->chip, RF2020)) {
+		ERROR(rt2x00dev, "Invalid RF chipset detected.\n");
+		return -ENODEV;
+	}
+
+	/*
+	 * Read frequency offset and RF programming sequence.
+	 */
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom);
+	rt2x00dev->freq_offset = rt2x00_get_field16(eeprom, EEPROM_FREQ_OFFSET);
+
+	/*
+	 * Read external LNA informations.
+	 */
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom);
+
+	if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA_A))
+		__set_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags);
+	if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA_BG))
+		__set_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags);
+
+	/*
+	 * Detect if this device has an hardware controlled radio.
+	 */
+#ifdef CONFIG_RT2X00_LIB_RFKILL
+	if (rt2x00_get_field16(eeprom, EEPROM_NIC_HW_RADIO))
+		__set_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags);
+#endif /* CONFIG_RT2X00_LIB_RFKILL */
+
+	/*
+	 * Store led settings, for correct led behaviour.
+	 */
+#ifdef CONFIG_RT2X00_LIB_LEDS
+	rt2800usb_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO);
+	rt2800usb_init_led(rt2x00dev, &rt2x00dev->led_assoc, LED_TYPE_ASSOC);
+	rt2800usb_init_led(rt2x00dev, &rt2x00dev->led_qual, LED_TYPE_QUALITY);
+
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ,
+			   &rt2x00dev->led_mcu_reg);
+#endif /* CONFIG_RT2X00_LIB_LEDS */
+
+	return 0;
+}
+
+/*
+ * RF value list for rt2870
+ * Supports: 2.4 GHz (all) & 5.2 GHz (RF2850 & RF2750)
+ */
+static const struct rf_channel rf_vals[] = {
+	{ 1,  0x18402ecc, 0x184c0786, 0x1816b455, 0x1800510b },
+	{ 2,  0x18402ecc, 0x184c0786, 0x18168a55, 0x1800519f },
+	{ 3,  0x18402ecc, 0x184c078a, 0x18168a55, 0x1800518b },
+	{ 4,  0x18402ecc, 0x184c078a, 0x18168a55, 0x1800519f },
+	{ 5,  0x18402ecc, 0x184c078e, 0x18168a55, 0x1800518b },
+	{ 6,  0x18402ecc, 0x184c078e, 0x18168a55, 0x1800519f },
+	{ 7,  0x18402ecc, 0x184c0792, 0x18168a55, 0x1800518b },
+	{ 8,  0x18402ecc, 0x184c0792, 0x18168a55, 0x1800519f },
+	{ 9,  0x18402ecc, 0x184c0796, 0x18168a55, 0x1800518b },
+	{ 10, 0x18402ecc, 0x184c0796, 0x18168a55, 0x1800519f },
+	{ 11, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800518b },
+	{ 12, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800519f },
+	{ 13, 0x18402ecc, 0x184c079e, 0x18168a55, 0x1800518b },
+	{ 14, 0x18402ecc, 0x184c07a2, 0x18168a55, 0x18005193 },
+
+	/* 802.11 UNI / HyperLan 2 */
+	{ 36, 0x18402ecc, 0x184c099a, 0x18158a55, 0x180ed1a3 },
+	{ 38, 0x18402ecc, 0x184c099e, 0x18158a55, 0x180ed193 },
+	{ 40, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed183 },
+	{ 44, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed1a3 },
+	{ 46, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed18b },
+	{ 48, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed19b },
+	{ 52, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed193 },
+	{ 54, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed1a3 },
+	{ 56, 0x18402ec8, 0x184c068e, 0x18158a55, 0x180ed18b },
+	{ 60, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed183 },
+	{ 62, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed193 },
+	{ 64, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed1a3 },
+
+	/* 802.11 HyperLan 2 */
+	{ 100, 0x18402ec8, 0x184c06b2, 0x18178a55, 0x180ed783 },
+	{ 102, 0x18402ec8, 0x184c06b2, 0x18578a55, 0x180ed793 },
+	{ 104, 0x18402ec8, 0x184c06b2, 0x18578a55, 0x180ed1a3 },
+	{ 108, 0x18402ecc, 0x184c0a32, 0x18578a55, 0x180ed193 },
+	{ 110, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed183 },
+	{ 112, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed19b },
+	{ 116, 0x18402ecc, 0x184c0a3a, 0x18178a55, 0x180ed1a3 },
+	{ 118, 0x18402ecc, 0x184c0a3e, 0x18178a55, 0x180ed193 },
+	{ 120, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed183 },
+	{ 124, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed193 },
+	{ 126, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed15b },
+	{ 128, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed1a3 },
+	{ 132, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed18b },
+	{ 134, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed193 },
+	{ 136, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed19b },
+	{ 140, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed183 },
+
+	/* 802.11 UNII */
+	{ 149, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed1a7 },
+	{ 151, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed187 },
+	{ 153, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed18f },
+	{ 157, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed19f },
+	{ 159, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed1a7 },
+	{ 161, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed187 },
+	{ 165, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed197 },
+
+	/* 802.11 Japan */
+	{ 184, 0x15002ccc, 0x1500491e, 0x1509be55, 0x150c0a0b },
+	{ 188, 0x15002ccc, 0x15004922, 0x1509be55, 0x150c0a13 },
+	{ 192, 0x15002ccc, 0x15004926, 0x1509be55, 0x150c0a1b },
+	{ 196, 0x15002ccc, 0x1500492a, 0x1509be55, 0x150c0a23 },
+	{ 208, 0x15002ccc, 0x1500493a, 0x1509be55, 0x150c0a13 },
+	{ 212, 0x15002ccc, 0x1500493e, 0x1509be55, 0x150c0a1b },
+	{ 216, 0x15002ccc, 0x15004982, 0x1509be55, 0x150c0a23 },
+};
+
+/*
+ * RF value list for rt3070
+ * Supports: 2.4 GHz
+ */
+static const struct rf_channel rf_vals_3070[] = {
+	{1,  241, 2, 2 },
+	{2,  241, 2, 7 },
+	{3,  242, 2, 2 },
+	{4,  242, 2, 7 },
+	{5,  243, 2, 2 },
+	{6,  243, 2, 7 },
+	{7,  244, 2, 2 },
+	{8,  244, 2, 7 },
+	{9,  245, 2, 2 },
+	{10, 245, 2, 7 },
+	{11, 246, 2, 2 },
+	{12, 246, 2, 7 },
+	{13, 247, 2, 2 },
+	{14, 248, 2, 4 },
+};
+
+static int rt2800usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
+{
+	struct hw_mode_spec *spec = &rt2x00dev->spec;
+	struct channel_info *info;
+	char *tx_power1;
+	char *tx_power2;
+	unsigned int i;
+
+	/*
+	 * Initialize all hw fields.
+	 */
+	rt2x00dev->hw->flags =
+	    IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
+	    IEEE80211_HW_SIGNAL_DBM |
+	    IEEE80211_HW_SUPPORTS_PS |
+	    IEEE80211_HW_PS_NULLFUNC_STACK;
+	rt2x00dev->hw->extra_tx_headroom = TXINFO_DESC_SIZE + TXWI_DESC_SIZE;
+
+	SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
+	SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
+				rt2x00_eeprom_addr(rt2x00dev,
+						   EEPROM_MAC_ADDR_0));
+
+	/*
+	 * Initialize HT information.
+	 */
+	spec->ht.ht_supported = true;
+	spec->ht.cap =
+	    IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
+	    IEEE80211_HT_CAP_GRN_FLD |
+	    IEEE80211_HT_CAP_SGI_20 |
+	    IEEE80211_HT_CAP_SGI_40 |
+	    IEEE80211_HT_CAP_TX_STBC |
+	    IEEE80211_HT_CAP_RX_STBC |
+	    IEEE80211_HT_CAP_PSMP_SUPPORT;
+	spec->ht.ampdu_factor = 3;
+	spec->ht.ampdu_density = 4;
+	spec->ht.mcs.rx_mask[0] = 0xff;
+	spec->ht.mcs.rx_mask[1] = 0xff;
+	spec->ht.mcs.tx_params =
+	    IEEE80211_HT_MCS_TX_DEFINED;
+
+	/*
+	 * Initialize hw_mode information.
+	 */
+	spec->supported_bands = SUPPORT_BAND_2GHZ;
+	spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
+
+	if (rt2x00_rf(&rt2x00dev->chip, RF2820) ||
+	    rt2x00_rf(&rt2x00dev->chip, RF2720)) {
+		spec->num_channels = 14;
+		spec->channels = rf_vals;
+	} else if (rt2x00_rf(&rt2x00dev->chip, RF2850) ||
+		   rt2x00_rf(&rt2x00dev->chip, RF2750)) {
+		spec->supported_bands |= SUPPORT_BAND_5GHZ;
+		spec->num_channels = ARRAY_SIZE(rf_vals);
+		spec->channels = rf_vals;
+	} else if (rt2x00_rf(&rt2x00dev->chip, RF3020) ||
+		   rt2x00_rf(&rt2x00dev->chip, RF2020)) {
+		spec->num_channels = ARRAY_SIZE(rf_vals_3070);
+		spec->channels = rf_vals_3070;
+	}
+
+	/*
+	 * Create channel information array
+	 */
+	info = kzalloc(spec->num_channels * sizeof(*info), GFP_KERNEL);
+	if (!info)
+		return -ENOMEM;
+
+	spec->channels_info = info;
+
+	tx_power1 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG1);
+	tx_power2 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG2);
+
+	for (i = 0; i < 14; i++) {
+		info[i].tx_power1 = TXPOWER_G_FROM_DEV(tx_power1[i]);
+		info[i].tx_power2 = TXPOWER_G_FROM_DEV(tx_power2[i]);
+	}
+
+	if (spec->num_channels > 14) {
+		tx_power1 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A1);
+		tx_power2 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A2);
+
+		for (i = 14; i < spec->num_channels; i++) {
+			info[i].tx_power1 = TXPOWER_A_FROM_DEV(tx_power1[i]);
+			info[i].tx_power2 = TXPOWER_A_FROM_DEV(tx_power2[i]);
+		}
+	}
+
+	return 0;
+}
+
+static int rt2800usb_probe_hw(struct rt2x00_dev *rt2x00dev)
+{
+	int retval;
+
+	/*
+	 * Allocate eeprom data.
+	 */
+	retval = rt2800usb_validate_eeprom(rt2x00dev);
+	if (retval)
+		return retval;
+
+	retval = rt2800usb_init_eeprom(rt2x00dev);
+	if (retval)
+		return retval;
+
+	/*
+	 * Initialize hw specifications.
+	 */
+	retval = rt2800usb_probe_hw_mode(rt2x00dev);
+	if (retval)
+		return retval;
+
+	/*
+	 * This device requires firmware.
+	 */
+	__set_bit(DRIVER_REQUIRE_FIRMWARE, &rt2x00dev->flags);
+	__set_bit(DRIVER_REQUIRE_SCHEDULED, &rt2x00dev->flags);
+	if (!modparam_nohwcrypt)
+		__set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags);
+
+	/*
+	 * Set the rssi offset.
+	 */
+	rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
+
+	return 0;
+}
+
+/*
+ * IEEE80211 stack callback functions.
+ */
+static int rt2800usb_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
+{
+	struct rt2x00_dev *rt2x00dev = hw->priv;
+	u32 reg;
+	bool enabled = (value < IEEE80211_MAX_RTS_THRESHOLD);
+
+	rt2x00usb_register_read(rt2x00dev, TX_RTS_CFG, &reg);
+	rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_THRES, value);
+	rt2x00usb_register_write(rt2x00dev, TX_RTS_CFG, reg);
+
+	rt2x00usb_register_read(rt2x00dev, CCK_PROT_CFG, &reg);
+	rt2x00_set_field32(&reg, CCK_PROT_CFG_RTS_TH_EN, enabled);
+	rt2x00usb_register_write(rt2x00dev, CCK_PROT_CFG, reg);
+
+	rt2x00usb_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
+	rt2x00_set_field32(&reg, OFDM_PROT_CFG_RTS_TH_EN, enabled);
+	rt2x00usb_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
+
+	rt2x00usb_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
+	rt2x00_set_field32(&reg, MM20_PROT_CFG_RTS_TH_EN, enabled);
+	rt2x00usb_register_write(rt2x00dev, MM20_PROT_CFG, reg);
+
+	rt2x00usb_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
+	rt2x00_set_field32(&reg, MM40_PROT_CFG_RTS_TH_EN, enabled);
+	rt2x00usb_register_write(rt2x00dev, MM40_PROT_CFG, reg);
+
+	rt2x00usb_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
+	rt2x00_set_field32(&reg, GF20_PROT_CFG_RTS_TH_EN, enabled);
+	rt2x00usb_register_write(rt2x00dev, GF20_PROT_CFG, reg);
+
+	rt2x00usb_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
+	rt2x00_set_field32(&reg, GF40_PROT_CFG_RTS_TH_EN, enabled);
+	rt2x00usb_register_write(rt2x00dev, GF40_PROT_CFG, reg);
+
+	return 0;
+}
+
+static int rt2800usb_conf_tx(struct ieee80211_hw *hw, u16 queue_idx,
+			     const struct ieee80211_tx_queue_params *params)
+{
+	struct rt2x00_dev *rt2x00dev = hw->priv;
+	struct data_queue *queue;
+	struct rt2x00_field32 field;
+	int retval;
+	u32 reg;
+	u32 offset;
+
+	/*
+	 * First pass the configuration through rt2x00lib, that will
+	 * update the queue settings and validate the input. After that
+	 * we are free to update the registers based on the value
+	 * in the queue parameter.
+	 */
+	retval = rt2x00mac_conf_tx(hw, queue_idx, params);
+	if (retval)
+		return retval;
+
+	/*
+	 * We only need to perform additional register initialization
+	 * for WMM queues/
+	 */
+	if (queue_idx >= 4)
+		return 0;
+
+	queue = rt2x00queue_get_queue(rt2x00dev, queue_idx);
+
+	/* Update WMM TXOP register */
+	offset = WMM_TXOP0_CFG + (sizeof(u32) * (!!(queue_idx & 2)));
+	field.bit_offset = (queue_idx & 1) * 16;
+	field.bit_mask = 0xffff << field.bit_offset;
+
+	rt2x00usb_register_read(rt2x00dev, offset, &reg);
+	rt2x00_set_field32(&reg, field, queue->txop);
+	rt2x00usb_register_write(rt2x00dev, offset, reg);
+
+	/* Update WMM registers */
+	field.bit_offset = queue_idx * 4;
+	field.bit_mask = 0xf << field.bit_offset;
+
+	rt2x00usb_register_read(rt2x00dev, WMM_AIFSN_CFG, &reg);
+	rt2x00_set_field32(&reg, field, queue->aifs);
+	rt2x00usb_register_write(rt2x00dev, WMM_AIFSN_CFG, reg);
+
+	rt2x00usb_register_read(rt2x00dev, WMM_CWMIN_CFG, &reg);
+	rt2x00_set_field32(&reg, field, queue->cw_min);
+	rt2x00usb_register_write(rt2x00dev, WMM_CWMIN_CFG, reg);
+
+	rt2x00usb_register_read(rt2x00dev, WMM_CWMAX_CFG, &reg);
+	rt2x00_set_field32(&reg, field, queue->cw_max);
+	rt2x00usb_register_write(rt2x00dev, WMM_CWMAX_CFG, reg);
+
+	/* Update EDCA registers */
+	offset = EDCA_AC0_CFG + (sizeof(u32) * queue_idx);
+
+	rt2x00usb_register_read(rt2x00dev, offset, &reg);
+	rt2x00_set_field32(&reg, EDCA_AC0_CFG_TX_OP, queue->txop);
+	rt2x00_set_field32(&reg, EDCA_AC0_CFG_AIFSN, queue->aifs);
+	rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMIN, queue->cw_min);
+	rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMAX, queue->cw_max);
+	rt2x00usb_register_write(rt2x00dev, offset, reg);
+
+	return 0;
+}
+
+#if 0
+/*
+ * Mac80211 demands get_tsf must be atomic.
+ * This is not possible for rt2800usb since all register access
+ * functions require sleeping. Untill mac80211 no longer needs
+ * get_tsf to be atomic, this function should be disabled.
+ */
+static u64 rt2800usb_get_tsf(struct ieee80211_hw *hw)
+{
+	struct rt2x00_dev *rt2x00dev = hw->priv;
+	u64 tsf;
+	u32 reg;
+
+	rt2x00usb_register_read(rt2x00dev, TSF_TIMER_DW1, &reg);
+	tsf = (u64) rt2x00_get_field32(reg, TSF_TIMER_DW1_HIGH_WORD) << 32;
+	rt2x00usb_register_read(rt2x00dev, TSF_TIMER_DW0, &reg);
+	tsf |= rt2x00_get_field32(reg, TSF_TIMER_DW0_LOW_WORD);
+
+	return tsf;
+}
+#else
+#define rt2800usb_get_tsf	NULL
+#endif
+
+static const struct ieee80211_ops rt2800usb_mac80211_ops = {
+	.tx			= rt2x00mac_tx,
+	.start			= rt2x00mac_start,
+	.stop			= rt2x00mac_stop,
+	.add_interface		= rt2x00mac_add_interface,
+	.remove_interface	= rt2x00mac_remove_interface,
+	.config			= rt2x00mac_config,
+	.config_interface	= rt2x00mac_config_interface,
+	.configure_filter	= rt2x00mac_configure_filter,
+	.set_key		= rt2x00mac_set_key,
+	.get_stats		= rt2x00mac_get_stats,
+	.set_rts_threshold	= rt2800usb_set_rts_threshold,
+	.bss_info_changed	= rt2x00mac_bss_info_changed,
+	.conf_tx		= rt2800usb_conf_tx,
+	.get_tx_stats		= rt2x00mac_get_tx_stats,
+	.get_tsf		= rt2800usb_get_tsf,
+};
+
+static const struct rt2x00lib_ops rt2800usb_rt2x00_ops = {
+	.probe_hw		= rt2800usb_probe_hw,
+	.get_firmware_name	= rt2800usb_get_firmware_name,
+	.get_firmware_crc	= rt2800usb_get_firmware_crc,
+	.load_firmware		= rt2800usb_load_firmware,
+	.initialize		= rt2x00usb_initialize,
+	.uninitialize		= rt2x00usb_uninitialize,
+	.clear_entry		= rt2x00usb_clear_entry,
+	.set_device_state	= rt2800usb_set_device_state,
+	.rfkill_poll		= rt2800usb_rfkill_poll,
+	.link_stats		= rt2800usb_link_stats,
+	.reset_tuner		= rt2800usb_reset_tuner,
+	.link_tuner		= rt2800usb_link_tuner,
+	.write_tx_desc		= rt2800usb_write_tx_desc,
+	.write_tx_data		= rt2x00usb_write_tx_data,
+	.write_beacon		= rt2800usb_write_beacon,
+	.get_tx_data_len	= rt2800usb_get_tx_data_len,
+	.kick_tx_queue		= rt2800usb_kick_tx_queue,
+	.fill_rxdone		= rt2800usb_fill_rxdone,
+	.config_shared_key	= rt2800usb_config_shared_key,
+	.config_pairwise_key	= rt2800usb_config_pairwise_key,
+	.config_filter		= rt2800usb_config_filter,
+	.config_intf		= rt2800usb_config_intf,
+	.config_erp		= rt2800usb_config_erp,
+	.config_ant		= rt2800usb_config_ant,
+	.config			= rt2800usb_config,
+};
+
+static const struct data_queue_desc rt2800usb_queue_rx = {
+	.entry_num		= RX_ENTRIES,
+	.data_size		= DATA_FRAME_SIZE,
+	.desc_size		= RXD_DESC_SIZE,
+	.priv_size		= sizeof(struct queue_entry_priv_usb),
+};
+
+static const struct data_queue_desc rt2800usb_queue_tx = {
+	.entry_num		= TX_ENTRIES,
+	.data_size		= DATA_FRAME_SIZE,
+	.desc_size		= TXINFO_DESC_SIZE + TXWI_DESC_SIZE,
+	.priv_size		= sizeof(struct queue_entry_priv_usb),
+};
+
+static const struct data_queue_desc rt2800usb_queue_bcn = {
+	.entry_num		= 8 * BEACON_ENTRIES,
+	.data_size		= MGMT_FRAME_SIZE,
+	.desc_size		= TXINFO_DESC_SIZE + TXWI_DESC_SIZE,
+	.priv_size		= sizeof(struct queue_entry_priv_usb),
+};
+
+static const struct rt2x00_ops rt2800usb_ops = {
+	.name		= KBUILD_MODNAME,
+	.max_sta_intf	= 1,
+	.max_ap_intf	= 8,
+	.eeprom_size	= EEPROM_SIZE,
+	.rf_size	= RF_SIZE,
+	.tx_queues	= NUM_TX_QUEUES,
+	.rx		= &rt2800usb_queue_rx,
+	.tx		= &rt2800usb_queue_tx,
+	.bcn		= &rt2800usb_queue_bcn,
+	.lib		= &rt2800usb_rt2x00_ops,
+	.hw		= &rt2800usb_mac80211_ops,
+#ifdef CONFIG_RT2X00_LIB_DEBUGFS
+	.debugfs	= &rt2800usb_rt2x00debug,
+#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
+};
+
+/*
+ * rt2800usb module information.
+ */
+static struct usb_device_id rt2800usb_device_table[] = {
+	/* Abocom */
+	{ USB_DEVICE(0x07b8, 0x3070), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x07b8, 0x3071), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x07b8, 0x2870), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x07b8, 0x2770), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x1482, 0x3c09), USB_DEVICE_DATA(&rt2800usb_ops) },
+	/* Amit */
+	{ USB_DEVICE(0x15c5, 0x0008), USB_DEVICE_DATA(&rt2800usb_ops) },
+	/* ASUS */
+	{ USB_DEVICE(0x0b05, 0x1731), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x0b05, 0x1732), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x0b05, 0x1742), USB_DEVICE_DATA(&rt2800usb_ops) },
+	/* AzureWave */
+	{ USB_DEVICE(0x13d3, 0x3247), USB_DEVICE_DATA(&rt2800usb_ops) },
+	/* Belkin */
+	{ USB_DEVICE(0x050d, 0x8053), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x050d, 0x805c), USB_DEVICE_DATA(&rt2800usb_ops) },
+	/* Conceptronic */
+	{ USB_DEVICE(0x14b2, 0x3c06), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x14b2, 0x3c07), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x14b2, 0x3c09), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x14b2, 0x3c12), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x14b2, 0x3c23), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x14b2, 0x3c25), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x14b2, 0x3c27), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x14b2, 0x3c28), USB_DEVICE_DATA(&rt2800usb_ops) },
+	/* Corega */
+	{ USB_DEVICE(0x07aa, 0x002f), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x07aa, 0x003c), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x07aa, 0x003f), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x18c5, 0x0012), USB_DEVICE_DATA(&rt2800usb_ops) },
+	/* D-Link */
+	{ USB_DEVICE(0x07d1, 0x3c09), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x07d1, 0x3c11), USB_DEVICE_DATA(&rt2800usb_ops) },
+	/* Edimax */
+	{ USB_DEVICE(0x7392, 0x7711), USB_DEVICE_DATA(&rt2800usb_ops) },
+	/* EnGenius */
+	{ USB_DEVICE(0X1740, 0x9701), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x1740, 0x9702), USB_DEVICE_DATA(&rt2800usb_ops) },
+	/* Gigabyte */
+	{ USB_DEVICE(0x1044, 0x800b), USB_DEVICE_DATA(&rt2800usb_ops) },
+	/* Hawking */
+	{ USB_DEVICE(0x0e66, 0x0001), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x0e66, 0x0003), USB_DEVICE_DATA(&rt2800usb_ops) },
+	/* Linksys */
+	{ USB_DEVICE(0x1737, 0x0071), USB_DEVICE_DATA(&rt2800usb_ops) },
+	/* Logitec */
+	{ USB_DEVICE(0x0789, 0x0162), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x0789, 0x0163), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x0789, 0x0164), USB_DEVICE_DATA(&rt2800usb_ops) },
+	/* Philips */
+	{ USB_DEVICE(0x0471, 0x200f), USB_DEVICE_DATA(&rt2800usb_ops) },
+	/* Planex */
+	{ USB_DEVICE(0x2019, 0xed06), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x2019, 0xab25), USB_DEVICE_DATA(&rt2800usb_ops) },
+	/* Ralink */
+	{ USB_DEVICE(0x148f, 0x2770), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x148f, 0x2870), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x148f, 0x3070), USB_DEVICE_DATA(&rt2800usb_ops) },
+	/* Samsung */
+	{ USB_DEVICE(0x04e8, 0x2018), USB_DEVICE_DATA(&rt2800usb_ops) },
+	/* Siemens */
+	{ USB_DEVICE(0x129b, 0x1828), USB_DEVICE_DATA(&rt2800usb_ops) },
+	/* Sitecom */
+	{ USB_DEVICE(0x0df6, 0x0017), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x0df6, 0x002b), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x0df6, 0x002c), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x0df6, 0x002d), USB_DEVICE_DATA(&rt2800usb_ops) },
+	/* SMC */
+	{ USB_DEVICE(0x083a, 0x6618), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x083a, 0x7522), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x083a, 0xb522), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x083a, 0xa618), USB_DEVICE_DATA(&rt2800usb_ops) },
+	/* Sparklan */
+	{ USB_DEVICE(0x15a9, 0x0006), USB_DEVICE_DATA(&rt2800usb_ops) },
+	/* U-Media*/
+	{ USB_DEVICE(0x157e, 0x300e), USB_DEVICE_DATA(&rt2800usb_ops) },
+	/* ZCOM */
+	{ USB_DEVICE(0x0cde, 0x0022), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x0cde, 0x0025), USB_DEVICE_DATA(&rt2800usb_ops) },
+	/* Zinwell */
+	{ USB_DEVICE(0x5a57, 0x0280), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x5a57, 0x0282), USB_DEVICE_DATA(&rt2800usb_ops) },
+	/* Zyxel */
+	{ USB_DEVICE(0x0586, 0x3416), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ 0, }
+};
+
+MODULE_AUTHOR(DRV_PROJECT);
+MODULE_VERSION(DRV_VERSION);
+MODULE_DESCRIPTION("Ralink RT2800 USB Wireless LAN driver.");
+MODULE_SUPPORTED_DEVICE("Ralink RT2870 USB chipset based cards");
+MODULE_DEVICE_TABLE(usb, rt2800usb_device_table);
+MODULE_FIRMWARE(FIRMWARE_RT2870);
+MODULE_LICENSE("GPL");
+
+static struct usb_driver rt2800usb_driver = {
+	.name		= KBUILD_MODNAME,
+	.id_table	= rt2800usb_device_table,
+	.probe		= rt2x00usb_probe,
+	.disconnect	= rt2x00usb_disconnect,
+	.suspend	= rt2x00usb_suspend,
+	.resume		= rt2x00usb_resume,
+};
+
+static int __init rt2800usb_init(void)
+{
+	return usb_register(&rt2800usb_driver);
+}
+
+static void __exit rt2800usb_exit(void)
+{
+	usb_deregister(&rt2800usb_driver);
+}
+
+module_init(rt2800usb_init);
+module_exit(rt2800usb_exit);
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/rt2800usb.h
@@ -0,0 +1,1944 @@
+/*
+	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	<http://rt2x00.serialmonkey.com>
+
+	This program is free software; you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation; either version 2 of the License, or
+	(at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with this program; if not, write to the
+	Free Software Foundation, Inc.,
+	59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+	Module: rt2800usb
+	Abstract: Data structures and registers for the rt2800usb module.
+	Supported chipsets: RT2800U.
+ */
+
+#ifndef RT2800USB_H
+#define RT2800USB_H
+
+/*
+ * RF chip defines.
+ *
+ * RF2820 2.4G 2T3R
+ * RF2850 2.4G/5G 2T3R
+ * RF2720 2.4G 1T2R
+ * RF2750 2.4G/5G 1T2R
+ * RF3020 2.4G 1T1R
+ * RF2020 2.4G B/G
+ */
+#define RF2820				0x0001
+#define RF2850				0x0002
+#define RF2720				0x0003
+#define RF2750				0x0004
+#define RF3020				0x0005
+#define RF2020				0x0006
+
+/*
+ * RT2870 version
+ */
+#define RT2860C_VERSION			0x28600100
+#define RT2860D_VERSION			0x28600101
+#define RT2880E_VERSION			0x28720200
+#define RT2883_VERSION			0x28830300
+#define RT3070_VERSION			0x30700200
+
+/*
+ * Signal information.
+ * Defaul offset is required for RSSI <-> dBm conversion.
+ */
+#define DEFAULT_RSSI_OFFSET		120 /* FIXME */
+
+/*
+ * Register layout information.
+ */
+#define CSR_REG_BASE			0x1000
+#define CSR_REG_SIZE			0x0800
+#define EEPROM_BASE			0x0000
+#define EEPROM_SIZE			0x0110
+#define BBP_BASE			0x0000
+#define BBP_SIZE			0x0080
+#define RF_BASE				0x0000
+#define RF_SIZE				0x0014
+
+/*
+ * Number of TX queues.
+ */
+#define NUM_TX_QUEUES			4
+
+/*
+ * USB registers.
+ */
+
+/*
+ * HOST-MCU shared memory
+ */
+#define HOST_CMD_CSR			0x0404
+#define HOST_CMD_CSR_HOST_COMMAND	FIELD32(0x000000ff)
+
+/*
+ * INT_SOURCE_CSR: Interrupt source register.
+ * Write one to clear corresponding bit.
+ * TX_FIFO_STATUS: FIFO Statistics is full, sw should read 0x171c
+ */
+#define INT_SOURCE_CSR			0x0200
+#define INT_SOURCE_CSR_RXDELAYINT	FIELD32(0x00000001)
+#define INT_SOURCE_CSR_TXDELAYINT	FIELD32(0x00000002)
+#define INT_SOURCE_CSR_RX_DONE		FIELD32(0x00000004)
+#define INT_SOURCE_CSR_AC0_DMA_DONE	FIELD32(0x00000008)
+#define INT_SOURCE_CSR_AC1_DMA_DONE	FIELD32(0x00000010)
+#define INT_SOURCE_CSR_AC2_DMA_DONE	FIELD32(0x00000020)
+#define INT_SOURCE_CSR_AC3_DMA_DONE	FIELD32(0x00000040)
+#define INT_SOURCE_CSR_HCCA_DMA_DONE	FIELD32(0x00000080)
+#define INT_SOURCE_CSR_MGMT_DMA_DONE	FIELD32(0x00000100)
+#define INT_SOURCE_CSR_MCU_COMMAND	FIELD32(0x00000200)
+#define INT_SOURCE_CSR_RXTX_COHERENT	FIELD32(0x00000400)
+#define INT_SOURCE_CSR_TBTT		FIELD32(0x00000800)
+#define INT_SOURCE_CSR_PRE_TBTT		FIELD32(0x00001000)
+#define INT_SOURCE_CSR_TX_FIFO_STATUS	FIELD32(0x00002000)
+#define INT_SOURCE_CSR_AUTO_WAKEUP	FIELD32(0x00004000)
+#define INT_SOURCE_CSR_GPTIMER		FIELD32(0x00008000)
+#define INT_SOURCE_CSR_RX_COHERENT	FIELD32(0x00010000)
+#define INT_SOURCE_CSR_TX_COHERENT	FIELD32(0x00020000)
+
+/*
+ * INT_MASK_CSR: Interrupt MASK register. 1: the interrupt is mask OFF.
+ */
+#define INT_MASK_CSR			0x0204
+#define INT_MASK_CSR_RXDELAYINT		FIELD32(0x00000001)
+#define INT_MASK_CSR_TXDELAYINT		FIELD32(0x00000002)
+#define INT_MASK_CSR_RX_DONE		FIELD32(0x00000004)
+#define INT_MASK_CSR_AC0_DMA_DONE	FIELD32(0x00000008)
+#define INT_MASK_CSR_AC1_DMA_DONE	FIELD32(0x00000010)
+#define INT_MASK_CSR_AC2_DMA_DONE	FIELD32(0x00000020)
+#define INT_MASK_CSR_AC3_DMA_DONE	FIELD32(0x00000040)
+#define INT_MASK_CSR_HCCA_DMA_DONE	FIELD32(0x00000080)
+#define INT_MASK_CSR_MGMT_DMA_DONE	FIELD32(0x00000100)
+#define INT_MASK_CSR_MCU_COMMAND	FIELD32(0x00000200)
+#define INT_MASK_CSR_RXTX_COHERENT	FIELD32(0x00000400)
+#define INT_MASK_CSR_TBTT		FIELD32(0x00000800)
+#define INT_MASK_CSR_PRE_TBTT		FIELD32(0x00001000)
+#define INT_MASK_CSR_TX_FIFO_STATUS	FIELD32(0x00002000)
+#define INT_MASK_CSR_AUTO_WAKEUP	FIELD32(0x00004000)
+#define INT_MASK_CSR_GPTIMER		FIELD32(0x00008000)
+#define INT_MASK_CSR_RX_COHERENT	FIELD32(0x00010000)
+#define INT_MASK_CSR_TX_COHERENT	FIELD32(0x00020000)
+
+/*
+ * WPDMA_GLO_CFG
+ */
+#define WPDMA_GLO_CFG 			0x0208
+#define WPDMA_GLO_CFG_ENABLE_TX_DMA	FIELD32(0x00000001)
+#define WPDMA_GLO_CFG_TX_DMA_BUSY    	FIELD32(0x00000002)
+#define WPDMA_GLO_CFG_ENABLE_RX_DMA	FIELD32(0x00000004)
+#define WPDMA_GLO_CFG_RX_DMA_BUSY	FIELD32(0x00000008)
+#define WPDMA_GLO_CFG_WP_DMA_BURST_SIZE	FIELD32(0x00000030)
+#define WPDMA_GLO_CFG_TX_WRITEBACK_DONE	FIELD32(0x00000040)
+#define WPDMA_GLO_CFG_BIG_ENDIAN	FIELD32(0x00000080)
+#define WPDMA_GLO_CFG_RX_HDR_SCATTER	FIELD32(0x0000ff00)
+#define WPDMA_GLO_CFG_HDR_SEG_LEN	FIELD32(0xffff0000)
+
+/*
+ * WPDMA_RST_IDX
+ */
+#define WPDMA_RST_IDX 			0x020c
+#define WPDMA_RST_IDX_DTX_IDX0		FIELD32(0x00000001)
+#define WPDMA_RST_IDX_DTX_IDX1		FIELD32(0x00000002)
+#define WPDMA_RST_IDX_DTX_IDX2		FIELD32(0x00000004)
+#define WPDMA_RST_IDX_DTX_IDX3		FIELD32(0x00000008)
+#define WPDMA_RST_IDX_DTX_IDX4		FIELD32(0x00000010)
+#define WPDMA_RST_IDX_DTX_IDX5		FIELD32(0x00000020)
+#define WPDMA_RST_IDX_DRX_IDX0		FIELD32(0x00010000)
+
+/*
+ * DELAY_INT_CFG
+ */
+#define DELAY_INT_CFG			0x0210
+#define DELAY_INT_CFG_RXMAX_PTIME	FIELD32(0x000000ff)
+#define DELAY_INT_CFG_RXMAX_PINT	FIELD32(0x00007f00)
+#define DELAY_INT_CFG_RXDLY_INT_EN	FIELD32(0x00008000)
+#define DELAY_INT_CFG_TXMAX_PTIME	FIELD32(0x00ff0000)
+#define DELAY_INT_CFG_TXMAX_PINT	FIELD32(0x7f000000)
+#define DELAY_INT_CFG_TXDLY_INT_EN	FIELD32(0x80000000)
+
+/*
+ * WMM_AIFSN_CFG: Aifsn for each EDCA AC
+ * AIFSN0: AC_BE
+ * AIFSN1: AC_BK
+ * AIFSN1: AC_VI
+ * AIFSN1: AC_VO
+ */
+#define WMM_AIFSN_CFG			0x0214
+#define WMM_AIFSN_CFG_AIFSN0		FIELD32(0x0000000f)
+#define WMM_AIFSN_CFG_AIFSN1		FIELD32(0x000000f0)
+#define WMM_AIFSN_CFG_AIFSN2		FIELD32(0x00000f00)
+#define WMM_AIFSN_CFG_AIFSN3		FIELD32(0x0000f000)
+
+/*
+ * WMM_CWMIN_CSR: CWmin for each EDCA AC
+ * CWMIN0: AC_BE
+ * CWMIN1: AC_BK
+ * CWMIN1: AC_VI
+ * CWMIN1: AC_VO
+ */
+#define WMM_CWMIN_CFG			0x0218
+#define WMM_CWMIN_CFG_CWMIN0		FIELD32(0x0000000f)
+#define WMM_CWMIN_CFG_CWMIN1		FIELD32(0x000000f0)
+#define WMM_CWMIN_CFG_CWMIN2		FIELD32(0x00000f00)
+#define WMM_CWMIN_CFG_CWMIN3		FIELD32(0x0000f000)
+
+/*
+ * WMM_CWMAX_CSR: CWmax for each EDCA AC
+ * CWMAX0: AC_BE
+ * CWMAX1: AC_BK
+ * CWMAX1: AC_VI
+ * CWMAX1: AC_VO
+ */
+#define WMM_CWMAX_CFG			0x021c
+#define WMM_CWMAX_CFG_CWMAX0		FIELD32(0x0000000f)
+#define WMM_CWMAX_CFG_CWMAX1		FIELD32(0x000000f0)
+#define WMM_CWMAX_CFG_CWMAX2		FIELD32(0x00000f00)
+#define WMM_CWMAX_CFG_CWMAX3		FIELD32(0x0000f000)
+
+/*
+ * AC_TXOP0: AC_BK/AC_BE TXOP register
+ * AC0TXOP: AC_BK in unit of 32us
+ * AC1TXOP: AC_BE in unit of 32us
+ */
+#define WMM_TXOP0_CFG			0x0220
+#define WMM_TXOP0_CFG_AC0TXOP		FIELD32(0x0000ffff)
+#define WMM_TXOP0_CFG_AC1TXOP		FIELD32(0xffff0000)
+
+/*
+ * AC_TXOP1: AC_VO/AC_VI TXOP register
+ * AC2TXOP: AC_VI in unit of 32us
+ * AC3TXOP: AC_VO in unit of 32us
+ */
+#define WMM_TXOP1_CFG			0x0224
+#define WMM_TXOP1_CFG_AC2TXOP		FIELD32(0x0000ffff)
+#define WMM_TXOP1_CFG_AC3TXOP		FIELD32(0xffff0000)
+
+/*
+ * RINGREG_DIFF
+ */
+#define RINGREG_DIFF			0x0010
+
+/*
+ * GPIO_CTRL_CFG:
+ */
+#define GPIO_CTRL_CFG			0x0228
+#define GPIO_CTRL_CFG_BIT0		FIELD32(0x00000001)
+#define GPIO_CTRL_CFG_BIT1		FIELD32(0x00000002)
+#define GPIO_CTRL_CFG_BIT2		FIELD32(0x00000004)
+#define GPIO_CTRL_CFG_BIT3		FIELD32(0x00000008)
+#define GPIO_CTRL_CFG_BIT4		FIELD32(0x00000010)
+#define GPIO_CTRL_CFG_BIT5		FIELD32(0x00000020)
+#define GPIO_CTRL_CFG_BIT6		FIELD32(0x00000040)
+#define GPIO_CTRL_CFG_BIT7		FIELD32(0x00000080)
+#define GPIO_CTRL_CFG_BIT8		FIELD32(0x00000100)
+
+/*
+ * MCU_CMD_CFG
+ */
+#define MCU_CMD_CFG			0x022c
+
+/*
+ * AC_BK register offsets
+ */
+#define TX_BASE_PTR0			0x0230
+#define TX_MAX_CNT0			0x0234
+#define TX_CTX_IDX0			0x0238
+#define TX_DTX_IDX0			0x023c
+
+/*
+ * AC_BE register offsets
+ */
+#define TX_BASE_PTR1			0x0240
+#define TX_MAX_CNT1			0x0244
+#define TX_CTX_IDX1			0x0248
+#define TX_DTX_IDX1			0x024c
+
+/*
+ * AC_VI register offsets
+ */
+#define TX_BASE_PTR2			0x0250
+#define TX_MAX_CNT2			0x0254
+#define TX_CTX_IDX2			0x0258
+#define TX_DTX_IDX2			0x025c
+
+/*
+ * AC_VO register offsets
+ */
+#define TX_BASE_PTR3			0x0260
+#define TX_MAX_CNT3			0x0264
+#define TX_CTX_IDX3			0x0268
+#define TX_DTX_IDX3			0x026c
+
+/*
+ * HCCA register offsets
+ */
+#define TX_BASE_PTR4			0x0270
+#define TX_MAX_CNT4			0x0274
+#define TX_CTX_IDX4			0x0278
+#define TX_DTX_IDX4			0x027c
+
+/*
+ * MGMT register offsets
+ */
+#define TX_BASE_PTR5			0x0280
+#define TX_MAX_CNT5			0x0284
+#define TX_CTX_IDX5			0x0288
+#define TX_DTX_IDX5			0x028c
+
+/*
+ * RX register offsets
+ */
+#define RX_BASE_PTR			0x0290
+#define RX_MAX_CNT			0x0294
+#define RX_CRX_IDX			0x0298
+#define RX_DRX_IDX			0x029c
+
+/*
+ * USB_DMA_CFG
+ * RX_BULK_AGG_TIMEOUT: Rx Bulk Aggregation TimeOut in unit of 33ns.
+ * RX_BULK_AGG_LIMIT: Rx Bulk Aggregation Limit in unit of 256 bytes.
+ * PHY_CLEAR: phy watch dog enable.
+ * TX_CLEAR: Clear USB DMA TX path.
+ * TXOP_HALT: Halt TXOP count down when TX buffer is full.
+ * RX_BULK_AGG_EN: Enable Rx Bulk Aggregation.
+ * RX_BULK_EN: Enable USB DMA Rx.
+ * TX_BULK_EN: Enable USB DMA Tx.
+ * EP_OUT_VALID: OUT endpoint data valid.
+ * RX_BUSY: USB DMA RX FSM busy.
+ * TX_BUSY: USB DMA TX FSM busy.
+ */
+#define USB_DMA_CFG			0x02a0
+#define USB_DMA_CFG_RX_BULK_AGG_TIMEOUT	FIELD32(0x000000ff)
+#define USB_DMA_CFG_RX_BULK_AGG_LIMIT	FIELD32(0x0000ff00)
+#define USB_DMA_CFG_PHY_CLEAR		FIELD32(0x00010000)
+#define USB_DMA_CFG_TX_CLEAR		FIELD32(0x00080000)
+#define USB_DMA_CFG_TXOP_HALT		FIELD32(0x00100000)
+#define USB_DMA_CFG_RX_BULK_AGG_EN	FIELD32(0x00200000)
+#define USB_DMA_CFG_RX_BULK_EN		FIELD32(0x00400000)
+#define USB_DMA_CFG_TX_BULK_EN		FIELD32(0x00800000)
+#define USB_DMA_CFG_EP_OUT_VALID	FIELD32(0x3f000000)
+#define USB_DMA_CFG_RX_BUSY		FIELD32(0x40000000)
+#define USB_DMA_CFG_TX_BUSY		FIELD32(0x80000000)
+
+/*
+ * USB_CYC_CFG
+ */
+#define USB_CYC_CFG			0x02a4
+#define USB_CYC_CFG_CLOCK_CYCLE		FIELD32(0x000000ff)
+
+/*
+ * PBF_SYS_CTRL
+ * HOST_RAM_WRITE: enable Host program ram write selection
+ */
+#define PBF_SYS_CTRL			0x0400
+#define PBF_SYS_CTRL_READY		FIELD32(0x00000080)
+#define PBF_SYS_CTRL_HOST_RAM_WRITE	FIELD32(0x00010000)
+
+/*
+ * PBF registers
+ * Most are for debug. Driver doesn't touch PBF register.
+ */
+#define PBF_CFG				0x0408
+#define PBF_MAX_PCNT			0x040c
+#define PBF_CTRL			0x0410
+#define PBF_INT_STA			0x0414
+#define PBF_INT_ENA			0x0418
+
+/*
+ * BCN_OFFSET0:
+ */
+#define BCN_OFFSET0			0x042c
+#define BCN_OFFSET0_BCN0		FIELD32(0x000000ff)
+#define BCN_OFFSET0_BCN1		FIELD32(0x0000ff00)
+#define BCN_OFFSET0_BCN2		FIELD32(0x00ff0000)
+#define BCN_OFFSET0_BCN3		FIELD32(0xff000000)
+
+/*
+ * BCN_OFFSET1:
+ */
+#define BCN_OFFSET1			0x0430
+#define BCN_OFFSET1_BCN4		FIELD32(0x000000ff)
+#define BCN_OFFSET1_BCN5		FIELD32(0x0000ff00)
+#define BCN_OFFSET1_BCN6		FIELD32(0x00ff0000)
+#define BCN_OFFSET1_BCN7		FIELD32(0xff000000)
+
+/*
+ * PBF registers
+ * Most are for debug. Driver doesn't touch PBF register.
+ */
+#define TXRXQ_PCNT			0x0438
+#define PBF_DBG				0x043c
+
+/*
+ * RF registers
+ */
+#define	RF_CSR_CFG			0x0500
+#define RF_CSR_CFG_DATA			FIELD32(0x000000ff)
+#define RF_CSR_CFG_REGNUM		FIELD32(0x00001f00)
+#define RF_CSR_CFG_WRITE		FIELD32(0x00010000)
+#define RF_CSR_CFG_BUSY			FIELD32(0x00020000)
+
+/*
+ * MAC Control/Status Registers(CSR).
+ * Some values are set in TU, whereas 1 TU == 1024 us.
+ */
+
+/*
+ * MAC_CSR0: ASIC revision number.
+ * ASIC_REV: 0
+ * ASIC_VER: 2870
+ */
+#define MAC_CSR0			0x1000
+#define MAC_CSR0_ASIC_REV		FIELD32(0x0000ffff)
+#define MAC_CSR0_ASIC_VER		FIELD32(0xffff0000)
+
+/*
+ * MAC_SYS_CTRL:
+ */
+#define MAC_SYS_CTRL			0x1004
+#define MAC_SYS_CTRL_RESET_CSR		FIELD32(0x00000001)
+#define MAC_SYS_CTRL_RESET_BBP		FIELD32(0x00000002)
+#define MAC_SYS_CTRL_ENABLE_TX		FIELD32(0x00000004)
+#define MAC_SYS_CTRL_ENABLE_RX		FIELD32(0x00000008)
+#define MAC_SYS_CTRL_CONTINUOUS_TX	FIELD32(0x00000010)
+#define MAC_SYS_CTRL_LOOPBACK		FIELD32(0x00000020)
+#define MAC_SYS_CTRL_WLAN_HALT		FIELD32(0x00000040)
+#define MAC_SYS_CTRL_RX_TIMESTAMP	FIELD32(0x00000080)
+
+/*
+ * MAC_ADDR_DW0: STA MAC register 0
+ */
+#define MAC_ADDR_DW0			0x1008
+#define MAC_ADDR_DW0_BYTE0		FIELD32(0x000000ff)
+#define MAC_ADDR_DW0_BYTE1		FIELD32(0x0000ff00)
+#define MAC_ADDR_DW0_BYTE2		FIELD32(0x00ff0000)
+#define MAC_ADDR_DW0_BYTE3		FIELD32(0xff000000)
+
+/*
+ * MAC_ADDR_DW1: STA MAC register 1
+ * UNICAST_TO_ME_MASK:
+ * Used to mask off bits from byte 5 of the MAC address
+ * to determine the UNICAST_TO_ME bit for RX frames.
+ * The full mask is complemented by BSS_ID_MASK:
+ *    MASK = BSS_ID_MASK & UNICAST_TO_ME_MASK
+ */
+#define MAC_ADDR_DW1			0x100c
+#define MAC_ADDR_DW1_BYTE4		FIELD32(0x000000ff)
+#define MAC_ADDR_DW1_BYTE5		FIELD32(0x0000ff00)
+#define MAC_ADDR_DW1_UNICAST_TO_ME_MASK	FIELD32(0x00ff0000)
+
+/*
+ * MAC_BSSID_DW0: BSSID register 0
+ */
+#define MAC_BSSID_DW0			0x1010
+#define MAC_BSSID_DW0_BYTE0		FIELD32(0x000000ff)
+#define MAC_BSSID_DW0_BYTE1		FIELD32(0x0000ff00)
+#define MAC_BSSID_DW0_BYTE2		FIELD32(0x00ff0000)
+#define MAC_BSSID_DW0_BYTE3		FIELD32(0xff000000)
+
+/*
+ * MAC_BSSID_DW1: BSSID register 1
+ * BSS_ID_MASK:
+ *     0: 1-BSSID mode (BSS index = 0)
+ *     1: 2-BSSID mode (BSS index: Byte5, bit 0)
+ *     2: 4-BSSID mode (BSS index: byte5, bit 0 - 1)
+ *     3: 8-BSSID mode (BSS index: byte5, bit 0 - 2)
+ * This mask is used to mask off bits 0, 1 and 2 of byte 5 of the
+ * BSSID. This will make sure that those bits will be ignored
+ * when determining the MY_BSS of RX frames.
+ */
+#define MAC_BSSID_DW1			0x1014
+#define MAC_BSSID_DW1_BYTE4		FIELD32(0x000000ff)
+#define MAC_BSSID_DW1_BYTE5		FIELD32(0x0000ff00)
+#define MAC_BSSID_DW1_BSS_ID_MASK	FIELD32(0x00030000)
+#define MAC_BSSID_DW1_BSS_BCN_NUM	FIELD32(0x001c0000)
+
+/*
+ * MAX_LEN_CFG: Maximum frame length register.
+ * MAX_MPDU: rt2860b max 16k bytes
+ * MAX_PSDU: Maximum PSDU length
+ *	(power factor) 0:2^13, 1:2^14, 2:2^15, 3:2^16
+ */
+#define MAX_LEN_CFG			0x1018
+#define MAX_LEN_CFG_MAX_MPDU		FIELD32(0x00000fff)
+#define MAX_LEN_CFG_MAX_PSDU		FIELD32(0x00003000)
+#define MAX_LEN_CFG_MIN_PSDU		FIELD32(0x0000c000)
+#define MAX_LEN_CFG_MIN_MPDU		FIELD32(0x000f0000)
+
+/*
+ * BBP_CSR_CFG: BBP serial control register
+ * VALUE: Register value to program into BBP
+ * REG_NUM: Selected BBP register
+ * READ_CONTROL: 0 write BBP, 1 read BBP
+ * BUSY: ASIC is busy executing BBP commands
+ * BBP_PAR_DUR: 0 4 MAC clocks, 1 8 MAC clocks
+ * BBP_RW_MODE: 0 serial, 1 paralell
+ */
+#define BBP_CSR_CFG			0x101c
+#define BBP_CSR_CFG_VALUE		FIELD32(0x000000ff)
+#define BBP_CSR_CFG_REGNUM		FIELD32(0x0000ff00)
+#define BBP_CSR_CFG_READ_CONTROL	FIELD32(0x00010000)
+#define BBP_CSR_CFG_BUSY		FIELD32(0x00020000)
+#define BBP_CSR_CFG_BBP_PAR_DUR		FIELD32(0x00040000)
+#define BBP_CSR_CFG_BBP_RW_MODE		FIELD32(0x00080000)
+
+/*
+ * RF_CSR_CFG0: RF control register
+ * REGID_AND_VALUE: Register value to program into RF
+ * BITWIDTH: Selected RF register
+ * STANDBYMODE: 0 high when standby, 1 low when standby
+ * SEL: 0 RF_LE0 activate, 1 RF_LE1 activate
+ * BUSY: ASIC is busy executing RF commands
+ */
+#define RF_CSR_CFG0			0x1020
+#define RF_CSR_CFG0_REGID_AND_VALUE	FIELD32(0x00ffffff)
+#define RF_CSR_CFG0_BITWIDTH		FIELD32(0x1f000000)
+#define RF_CSR_CFG0_REG_VALUE_BW	FIELD32(0x1fffffff)
+#define RF_CSR_CFG0_STANDBYMODE		FIELD32(0x20000000)
+#define RF_CSR_CFG0_SEL			FIELD32(0x40000000)
+#define RF_CSR_CFG0_BUSY		FIELD32(0x80000000)
+
+/*
+ * RF_CSR_CFG1: RF control register
+ * REGID_AND_VALUE: Register value to program into RF
+ * RFGAP: Gap between BB_CONTROL_RF and RF_LE
+ *        0: 3 system clock cycle (37.5usec)
+ *        1: 5 system clock cycle (62.5usec)
+ */
+#define RF_CSR_CFG1			0x1024
+#define RF_CSR_CFG1_REGID_AND_VALUE	FIELD32(0x00ffffff)
+#define RF_CSR_CFG1_RFGAP		FIELD32(0x1f000000)
+
+/*
+ * RF_CSR_CFG2: RF control register
+ * VALUE: Register value to program into RF
+ * RFGAP: Gap between BB_CONTROL_RF and RF_LE
+ *        0: 3 system clock cycle (37.5usec)
+ *        1: 5 system clock cycle (62.5usec)
+ */
+#define RF_CSR_CFG2			0x1028
+#define RF_CSR_CFG2_VALUE		FIELD32(0x00ffffff)
+
+/*
+ * LED_CFG: LED control
+ * color LED's:
+ *   0: off
+ *   1: blinking upon TX2
+ *   2: periodic slow blinking
+ *   3: always on
+ * LED polarity:
+ *   0: active low
+ *   1: active high
+ */
+#define LED_CFG				0x102c
+#define LED_CFG_ON_PERIOD		FIELD32(0x000000ff)
+#define LED_CFG_OFF_PERIOD		FIELD32(0x0000ff00)
+#define LED_CFG_SLOW_BLINK_PERIOD	FIELD32(0x003f0000)
+#define LED_CFG_R_LED_MODE		FIELD32(0x03000000)
+#define LED_CFG_G_LED_MODE		FIELD32(0x0c000000)
+#define LED_CFG_Y_LED_MODE		FIELD32(0x30000000)
+#define LED_CFG_LED_POLAR		FIELD32(0x40000000)
+
+/*
+ * XIFS_TIME_CFG: MAC timing
+ * CCKM_SIFS_TIME: unit 1us. Applied after CCK RX/TX
+ * OFDM_SIFS_TIME: unit 1us. Applied after OFDM RX/TX
+ * OFDM_XIFS_TIME: unit 1us. Applied after OFDM RX
+ *	when MAC doesn't reference BBP signal BBRXEND
+ * EIFS: unit 1us
+ * BB_RXEND_ENABLE: reference RXEND signal to begin XIFS defer
+ *
+ */
+#define XIFS_TIME_CFG			0x1100
+#define XIFS_TIME_CFG_CCKM_SIFS_TIME	FIELD32(0x000000ff)
+#define XIFS_TIME_CFG_OFDM_SIFS_TIME	FIELD32(0x0000ff00)
+#define XIFS_TIME_CFG_OFDM_XIFS_TIME	FIELD32(0x000f0000)
+#define XIFS_TIME_CFG_EIFS		FIELD32(0x1ff00000)
+#define XIFS_TIME_CFG_BB_RXEND_ENABLE	FIELD32(0x20000000)
+
+/*
+ * BKOFF_SLOT_CFG:
+ */
+#define BKOFF_SLOT_CFG			0x1104
+#define BKOFF_SLOT_CFG_SLOT_TIME	FIELD32(0x000000ff)
+#define BKOFF_SLOT_CFG_CC_DELAY_TIME	FIELD32(0x0000ff00)
+
+/*
+ * NAV_TIME_CFG:
+ */
+#define NAV_TIME_CFG			0x1108
+#define NAV_TIME_CFG_SIFS		FIELD32(0x000000ff)
+#define NAV_TIME_CFG_SLOT_TIME		FIELD32(0x0000ff00)
+#define NAV_TIME_CFG_EIFS		FIELD32(0x01ff0000)
+#define NAV_TIME_ZERO_SIFS		FIELD32(0x02000000)
+
+/*
+ * CH_TIME_CFG: count as channel busy
+ */
+#define CH_TIME_CFG     	        0x110c
+
+/*
+ * PBF_LIFE_TIMER: TX/RX MPDU timestamp timer (free run) Unit: 1us
+ */
+#define PBF_LIFE_TIMER     	        0x1110
+
+/*
+ * BCN_TIME_CFG:
+ * BEACON_INTERVAL: in unit of 1/16 TU
+ * TSF_TICKING: Enable TSF auto counting
+ * TSF_SYNC: Enable TSF sync, 00: disable, 01: infra mode, 10: ad-hoc mode
+ * BEACON_GEN: Enable beacon generator
+ */
+#define BCN_TIME_CFG			0x1114
+#define BCN_TIME_CFG_BEACON_INTERVAL	FIELD32(0x0000ffff)
+#define BCN_TIME_CFG_TSF_TICKING	FIELD32(0x00010000)
+#define BCN_TIME_CFG_TSF_SYNC		FIELD32(0x00060000)
+#define BCN_TIME_CFG_TBTT_ENABLE	FIELD32(0x00080000)
+#define BCN_TIME_CFG_BEACON_GEN		FIELD32(0x00100000)
+#define BCN_TIME_CFG_TX_TIME_COMPENSATE	FIELD32(0xf0000000)
+
+/*
+ * TBTT_SYNC_CFG:
+ */
+#define TBTT_SYNC_CFG			0x1118
+
+/*
+ * TSF_TIMER_DW0: Local lsb TSF timer, read-only
+ */
+#define TSF_TIMER_DW0			0x111c
+#define TSF_TIMER_DW0_LOW_WORD		FIELD32(0xffffffff)
+
+/*
+ * TSF_TIMER_DW1: Local msb TSF timer, read-only
+ */
+#define TSF_TIMER_DW1			0x1120
+#define TSF_TIMER_DW1_HIGH_WORD		FIELD32(0xffffffff)
+
+/*
+ * TBTT_TIMER: TImer remains till next TBTT, read-only
+ */
+#define TBTT_TIMER			0x1124
+
+/*
+ * INT_TIMER_CFG:
+ */
+#define INT_TIMER_CFG			0x1128
+
+/*
+ * INT_TIMER_EN: GP-timer and pre-tbtt Int enable
+ */
+#define INT_TIMER_EN			0x112c
+
+/*
+ * CH_IDLE_STA: channel idle time
+ */
+#define CH_IDLE_STA			0x1130
+
+/*
+ * CH_BUSY_STA: channel busy time
+ */
+#define CH_BUSY_STA			0x1134
+
+/*
+ * MAC_STATUS_CFG:
+ * BBP_RF_BUSY: When set to 0, BBP and RF are stable.
+ *	if 1 or higher one of the 2 registers is busy.
+ */
+#define MAC_STATUS_CFG			0x1200
+#define MAC_STATUS_CFG_BBP_RF_BUSY	FIELD32(0x00000003)
+
+/*
+ * PWR_PIN_CFG:
+ */
+#define PWR_PIN_CFG			0x1204
+
+/*
+ * AUTOWAKEUP_CFG: Manual power control / status register
+ * TBCN_BEFORE_WAKE: ForceWake has high privilege than PutToSleep when both set
+ * AUTOWAKE: 0:sleep, 1:awake
+ */
+#define AUTOWAKEUP_CFG			0x1208
+#define AUTOWAKEUP_CFG_AUTO_LEAD_TIME	FIELD32(0x000000ff)
+#define AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE	FIELD32(0x00007f00)
+#define AUTOWAKEUP_CFG_AUTOWAKE		FIELD32(0x00008000)
+
+/*
+ * EDCA_AC0_CFG:
+ */
+#define EDCA_AC0_CFG			0x1300
+#define EDCA_AC0_CFG_TX_OP		FIELD32(0x000000ff)
+#define EDCA_AC0_CFG_AIFSN		FIELD32(0x00000f00)
+#define EDCA_AC0_CFG_CWMIN		FIELD32(0x0000f000)
+#define EDCA_AC0_CFG_CWMAX		FIELD32(0x000f0000)
+
+/*
+ * EDCA_AC1_CFG:
+ */
+#define EDCA_AC1_CFG			0x1304
+#define EDCA_AC1_CFG_TX_OP		FIELD32(0x000000ff)
+#define EDCA_AC1_CFG_AIFSN		FIELD32(0x00000f00)
+#define EDCA_AC1_CFG_CWMIN		FIELD32(0x0000f000)
+#define EDCA_AC1_CFG_CWMAX		FIELD32(0x000f0000)
+
+/*
+ * EDCA_AC2_CFG:
+ */
+#define EDCA_AC2_CFG			0x1308
+#define EDCA_AC2_CFG_TX_OP		FIELD32(0x000000ff)
+#define EDCA_AC2_CFG_AIFSN		FIELD32(0x00000f00)
+#define EDCA_AC2_CFG_CWMIN		FIELD32(0x0000f000)
+#define EDCA_AC2_CFG_CWMAX		FIELD32(0x000f0000)
+
+/*
+ * EDCA_AC3_CFG:
+ */
+#define EDCA_AC3_CFG			0x130c
+#define EDCA_AC3_CFG_TX_OP		FIELD32(0x000000ff)
+#define EDCA_AC3_CFG_AIFSN		FIELD32(0x00000f00)
+#define EDCA_AC3_CFG_CWMIN		FIELD32(0x0000f000)
+#define EDCA_AC3_CFG_CWMAX		FIELD32(0x000f0000)
+
+/*
+ * EDCA_TID_AC_MAP:
+ */
+#define EDCA_TID_AC_MAP			0x1310
+
+/*
+ * TX_PWR_CFG_0:
+ */
+#define TX_PWR_CFG_0			0x1314
+#define TX_PWR_CFG_0_1MBS		FIELD32(0x0000000f)
+#define TX_PWR_CFG_0_2MBS		FIELD32(0x000000f0)
+#define TX_PWR_CFG_0_55MBS		FIELD32(0x00000f00)
+#define TX_PWR_CFG_0_11MBS		FIELD32(0x0000f000)
+#define TX_PWR_CFG_0_6MBS		FIELD32(0x000f0000)
+#define TX_PWR_CFG_0_9MBS		FIELD32(0x00f00000)
+#define TX_PWR_CFG_0_12MBS		FIELD32(0x0f000000)
+#define TX_PWR_CFG_0_18MBS		FIELD32(0xf0000000)
+
+/*
+ * TX_PWR_CFG_1:
+ */
+#define TX_PWR_CFG_1			0x1318
+#define TX_PWR_CFG_1_24MBS		FIELD32(0x0000000f)
+#define TX_PWR_CFG_1_36MBS		FIELD32(0x000000f0)
+#define TX_PWR_CFG_1_48MBS		FIELD32(0x00000f00)
+#define TX_PWR_CFG_1_54MBS		FIELD32(0x0000f000)
+#define TX_PWR_CFG_1_MCS0		FIELD32(0x000f0000)
+#define TX_PWR_CFG_1_MCS1		FIELD32(0x00f00000)
+#define TX_PWR_CFG_1_MCS2		FIELD32(0x0f000000)
+#define TX_PWR_CFG_1_MCS3		FIELD32(0xf0000000)
+
+/*
+ * TX_PWR_CFG_2:
+ */
+#define TX_PWR_CFG_2			0x131c
+#define TX_PWR_CFG_2_MCS4		FIELD32(0x0000000f)
+#define TX_PWR_CFG_2_MCS5		FIELD32(0x000000f0)
+#define TX_PWR_CFG_2_MCS6		FIELD32(0x00000f00)
+#define TX_PWR_CFG_2_MCS7		FIELD32(0x0000f000)
+#define TX_PWR_CFG_2_MCS8		FIELD32(0x000f0000)
+#define TX_PWR_CFG_2_MCS9		FIELD32(0x00f00000)
+#define TX_PWR_CFG_2_MCS10		FIELD32(0x0f000000)
+#define TX_PWR_CFG_2_MCS11		FIELD32(0xf0000000)
+
+/*
+ * TX_PWR_CFG_3:
+ */
+#define TX_PWR_CFG_3			0x1320
+#define TX_PWR_CFG_3_MCS12		FIELD32(0x0000000f)
+#define TX_PWR_CFG_3_MCS13		FIELD32(0x000000f0)
+#define TX_PWR_CFG_3_MCS14		FIELD32(0x00000f00)
+#define TX_PWR_CFG_3_MCS15		FIELD32(0x0000f000)
+#define TX_PWR_CFG_3_UKNOWN1		FIELD32(0x000f0000)
+#define TX_PWR_CFG_3_UKNOWN2		FIELD32(0x00f00000)
+#define TX_PWR_CFG_3_UKNOWN3		FIELD32(0x0f000000)
+#define TX_PWR_CFG_3_UKNOWN4		FIELD32(0xf0000000)
+
+/*
+ * TX_PWR_CFG_4:
+ */
+#define TX_PWR_CFG_4			0x1324
+#define TX_PWR_CFG_4_UKNOWN5		FIELD32(0x0000000f)
+#define TX_PWR_CFG_4_UKNOWN6		FIELD32(0x000000f0)
+#define TX_PWR_CFG_4_UKNOWN7		FIELD32(0x00000f00)
+#define TX_PWR_CFG_4_UKNOWN8		FIELD32(0x0000f000)
+
+/*
+ * TX_PIN_CFG:
+ */
+#define TX_PIN_CFG			0x1328
+#define TX_PIN_CFG_PA_PE_A0_EN		FIELD32(0x00000001)
+#define TX_PIN_CFG_PA_PE_G0_EN		FIELD32(0x00000002)
+#define TX_PIN_CFG_PA_PE_A1_EN		FIELD32(0x00000004)
+#define TX_PIN_CFG_PA_PE_G1_EN		FIELD32(0x00000008)
+#define TX_PIN_CFG_PA_PE_A0_POL		FIELD32(0x00000010)
+#define TX_PIN_CFG_PA_PE_G0_POL		FIELD32(0x00000020)
+#define TX_PIN_CFG_PA_PE_A1_POL		FIELD32(0x00000040)
+#define TX_PIN_CFG_PA_PE_G1_POL		FIELD32(0x00000080)
+#define TX_PIN_CFG_LNA_PE_A0_EN		FIELD32(0x00000100)
+#define TX_PIN_CFG_LNA_PE_G0_EN		FIELD32(0x00000200)
+#define TX_PIN_CFG_LNA_PE_A1_EN		FIELD32(0x00000400)
+#define TX_PIN_CFG_LNA_PE_G1_EN		FIELD32(0x00000800)
+#define TX_PIN_CFG_LNA_PE_A0_POL	FIELD32(0x00001000)
+#define TX_PIN_CFG_LNA_PE_G0_POL	FIELD32(0x00002000)
+#define TX_PIN_CFG_LNA_PE_A1_POL	FIELD32(0x00004000)
+#define TX_PIN_CFG_LNA_PE_G1_POL	FIELD32(0x00008000)
+#define TX_PIN_CFG_RFTR_EN		FIELD32(0x00010000)
+#define TX_PIN_CFG_RFTR_POL		FIELD32(0x00020000)
+#define TX_PIN_CFG_TRSW_EN		FIELD32(0x00040000)
+#define TX_PIN_CFG_TRSW_POL		FIELD32(0x00080000)
+
+/*
+ * TX_BAND_CFG: 0x1 use upper 20MHz, 0x0 use lower 20MHz
+ */
+#define TX_BAND_CFG			0x132c
+#define TX_BAND_CFG_A			FIELD32(0x00000002)
+#define TX_BAND_CFG_BG			FIELD32(0x00000004)
+
+/*
+ * TX_SW_CFG0:
+ */
+#define TX_SW_CFG0			0x1330
+
+/*
+ * TX_SW_CFG1:
+ */
+#define TX_SW_CFG1			0x1334
+
+/*
+ * TX_SW_CFG2:
+ */
+#define TX_SW_CFG2			0x1338
+
+/*
+ * TXOP_THRES_CFG:
+ */
+#define TXOP_THRES_CFG			0x133c
+
+/*
+ * TXOP_CTRL_CFG:
+ */
+#define TXOP_CTRL_CFG			0x1340
+
+/*
+ * TX_RTS_CFG:
+ * RTS_THRES: unit:byte
+ * RTS_FBK_EN: enable rts rate fallback
+ */
+#define TX_RTS_CFG			0x1344
+#define TX_RTS_CFG_AUTO_RTS_RETRY_LIMIT	FIELD32(0x000000ff)
+#define TX_RTS_CFG_RTS_THRES		FIELD32(0x00ffff00)
+#define TX_RTS_CFG_RTS_FBK_EN		FIELD32(0x01000000)
+
+/*
+ * TX_TIMEOUT_CFG:
+ * MPDU_LIFETIME: expiration time = 2^(9+MPDU LIFE TIME) us
+ * RX_ACK_TIMEOUT: unit:slot. Used for TX procedure
+ * TX_OP_TIMEOUT: TXOP timeout value for TXOP truncation.
+ *                it is recommended that:
+ *                (SLOT_TIME) > (TX_OP_TIMEOUT) > (RX_ACK_TIMEOUT)
+ */
+#define TX_TIMEOUT_CFG			0x1348
+#define TX_TIMEOUT_CFG_MPDU_LIFETIME	FIELD32(0x000000f0)
+#define TX_TIMEOUT_CFG_RX_ACK_TIMEOUT	FIELD32(0x0000ff00)
+#define TX_TIMEOUT_CFG_TX_OP_TIMEOUT	FIELD32(0x00ff0000)
+
+/*
+ * TX_RTY_CFG:
+ * SHORT_RTY_LIMIT: short retry limit
+ * LONG_RTY_LIMIT: long retry limit
+ * LONG_RTY_THRE: Long retry threshoold
+ * NON_AGG_RTY_MODE: Non-Aggregate MPDU retry mode
+ *                   0:expired by retry limit, 1: expired by mpdu life timer
+ * AGG_RTY_MODE: Aggregate MPDU retry mode
+ *               0:expired by retry limit, 1: expired by mpdu life timer
+ * TX_AUTO_FB_ENABLE: Tx retry PHY rate auto fallback enable
+ */
+#define TX_RTY_CFG			0x134c
+#define TX_RTY_CFG_SHORT_RTY_LIMIT	FIELD32(0x000000ff)
+#define TX_RTY_CFG_LONG_RTY_LIMIT	FIELD32(0x0000ff00)
+#define TX_RTY_CFG_LONG_RTY_THRE	FIELD32(0x0fff0000)
+#define TX_RTY_CFG_NON_AGG_RTY_MODE	FIELD32(0x10000000)
+#define TX_RTY_CFG_AGG_RTY_MODE		FIELD32(0x20000000)
+#define TX_RTY_CFG_TX_AUTO_FB_ENABLE	FIELD32(0x40000000)
+
+/*
+ * TX_LINK_CFG:
+ * REMOTE_MFB_LIFETIME: remote MFB life time. unit: 32us
+ * MFB_ENABLE: TX apply remote MFB 1:enable
+ * REMOTE_UMFS_ENABLE: remote unsolicit  MFB enable
+ *                     0: not apply remote remote unsolicit (MFS=7)
+ * TX_MRQ_EN: MCS request TX enable
+ * TX_RDG_EN: RDG TX enable
+ * TX_CF_ACK_EN: Piggyback CF-ACK enable
+ * REMOTE_MFB: remote MCS feedback
+ * REMOTE_MFS: remote MCS feedback sequence number
+ */
+#define TX_LINK_CFG			0x1350
+#define TX_LINK_CFG_REMOTE_MFB_LIFETIME	FIELD32(0x000000ff)
+#define TX_LINK_CFG_MFB_ENABLE		FIELD32(0x00000100)
+#define TX_LINK_CFG_REMOTE_UMFS_ENABLE	FIELD32(0x00000200)
+#define TX_LINK_CFG_TX_MRQ_EN		FIELD32(0x00000400)
+#define TX_LINK_CFG_TX_RDG_EN		FIELD32(0x00000800)
+#define TX_LINK_CFG_TX_CF_ACK_EN	FIELD32(0x00001000)
+#define TX_LINK_CFG_REMOTE_MFB		FIELD32(0x00ff0000)
+#define TX_LINK_CFG_REMOTE_MFS		FIELD32(0xff000000)
+
+/*
+ * HT_FBK_CFG0:
+ */
+#define HT_FBK_CFG0			0x1354
+#define HT_FBK_CFG0_HTMCS0FBK		FIELD32(0x0000000f)
+#define HT_FBK_CFG0_HTMCS1FBK		FIELD32(0x000000f0)
+#define HT_FBK_CFG0_HTMCS2FBK		FIELD32(0x00000f00)
+#define HT_FBK_CFG0_HTMCS3FBK		FIELD32(0x0000f000)
+#define HT_FBK_CFG0_HTMCS4FBK		FIELD32(0x000f0000)
+#define HT_FBK_CFG0_HTMCS5FBK		FIELD32(0x00f00000)
+#define HT_FBK_CFG0_HTMCS6FBK		FIELD32(0x0f000000)
+#define HT_FBK_CFG0_HTMCS7FBK		FIELD32(0xf0000000)
+
+/*
+ * HT_FBK_CFG1:
+ */
+#define HT_FBK_CFG1			0x1358
+#define HT_FBK_CFG1_HTMCS8FBK		FIELD32(0x0000000f)
+#define HT_FBK_CFG1_HTMCS9FBK		FIELD32(0x000000f0)
+#define HT_FBK_CFG1_HTMCS10FBK		FIELD32(0x00000f00)
+#define HT_FBK_CFG1_HTMCS11FBK		FIELD32(0x0000f000)
+#define HT_FBK_CFG1_HTMCS12FBK		FIELD32(0x000f0000)
+#define HT_FBK_CFG1_HTMCS13FBK		FIELD32(0x00f00000)
+#define HT_FBK_CFG1_HTMCS14FBK		FIELD32(0x0f000000)
+#define HT_FBK_CFG1_HTMCS15FBK		FIELD32(0xf0000000)
+
+/*
+ * LG_FBK_CFG0:
+ */
+#define LG_FBK_CFG0			0x135c
+#define LG_FBK_CFG0_OFDMMCS0FBK		FIELD32(0x0000000f)
+#define LG_FBK_CFG0_OFDMMCS1FBK		FIELD32(0x000000f0)
+#define LG_FBK_CFG0_OFDMMCS2FBK		FIELD32(0x00000f00)
+#define LG_FBK_CFG0_OFDMMCS3FBK		FIELD32(0x0000f000)
+#define LG_FBK_CFG0_OFDMMCS4FBK		FIELD32(0x000f0000)
+#define LG_FBK_CFG0_OFDMMCS5FBK		FIELD32(0x00f00000)
+#define LG_FBK_CFG0_OFDMMCS6FBK		FIELD32(0x0f000000)
+#define LG_FBK_CFG0_OFDMMCS7FBK		FIELD32(0xf0000000)
+
+/*
+ * LG_FBK_CFG1:
+ */
+#define LG_FBK_CFG1			0x1360
+#define LG_FBK_CFG0_CCKMCS0FBK		FIELD32(0x0000000f)
+#define LG_FBK_CFG0_CCKMCS1FBK		FIELD32(0x000000f0)
+#define LG_FBK_CFG0_CCKMCS2FBK		FIELD32(0x00000f00)
+#define LG_FBK_CFG0_CCKMCS3FBK		FIELD32(0x0000f000)
+
+/*
+ * CCK_PROT_CFG: CCK Protection
+ * PROTECT_RATE: Protection control frame rate for CCK TX(RTS/CTS/CFEnd)
+ * PROTECT_CTRL: Protection control frame type for CCK TX
+ *               0:none, 1:RTS/CTS, 2:CTS-to-self
+ * PROTECT_NAV: TXOP protection type for CCK TX
+ *              0:none, 1:ShortNAVprotect, 2:LongNAVProtect
+ * TX_OP_ALLOW_CCK: CCK TXOP allowance, 0:disallow
+ * TX_OP_ALLOW_OFDM: CCK TXOP allowance, 0:disallow
+ * TX_OP_ALLOW_MM20: CCK TXOP allowance, 0:disallow
+ * TX_OP_ALLOW_MM40: CCK TXOP allowance, 0:disallow
+ * TX_OP_ALLOW_GF20: CCK TXOP allowance, 0:disallow
+ * TX_OP_ALLOW_GF40: CCK TXOP allowance, 0:disallow
+ * RTS_TH_EN: RTS threshold enable on CCK TX
+ */
+#define CCK_PROT_CFG			0x1364
+#define CCK_PROT_CFG_PROTECT_RATE	FIELD32(0x0000ffff)
+#define CCK_PROT_CFG_PROTECT_CTRL	FIELD32(0x00030000)
+#define CCK_PROT_CFG_PROTECT_NAV	FIELD32(0x000c0000)
+#define CCK_PROT_CFG_TX_OP_ALLOW_CCK	FIELD32(0x00100000)
+#define CCK_PROT_CFG_TX_OP_ALLOW_OFDM	FIELD32(0x00200000)
+#define CCK_PROT_CFG_TX_OP_ALLOW_MM20	FIELD32(0x00400000)
+#define CCK_PROT_CFG_TX_OP_ALLOW_MM40	FIELD32(0x00800000)
+#define CCK_PROT_CFG_TX_OP_ALLOW_GF20	FIELD32(0x01000000)
+#define CCK_PROT_CFG_TX_OP_ALLOW_GF40	FIELD32(0x02000000)
+#define CCK_PROT_CFG_RTS_TH_EN		FIELD32(0x04000000)
+
+/*
+ * OFDM_PROT_CFG: OFDM Protection
+ */
+#define OFDM_PROT_CFG			0x1368
+#define OFDM_PROT_CFG_PROTECT_RATE	FIELD32(0x0000ffff)
+#define OFDM_PROT_CFG_PROTECT_CTRL	FIELD32(0x00030000)
+#define OFDM_PROT_CFG_PROTECT_NAV	FIELD32(0x000c0000)
+#define OFDM_PROT_CFG_TX_OP_ALLOW_CCK	FIELD32(0x00100000)
+#define OFDM_PROT_CFG_TX_OP_ALLOW_OFDM	FIELD32(0x00200000)
+#define OFDM_PROT_CFG_TX_OP_ALLOW_MM20	FIELD32(0x00400000)
+#define OFDM_PROT_CFG_TX_OP_ALLOW_MM40	FIELD32(0x00800000)
+#define OFDM_PROT_CFG_TX_OP_ALLOW_GF20	FIELD32(0x01000000)
+#define OFDM_PROT_CFG_TX_OP_ALLOW_GF40	FIELD32(0x02000000)
+#define OFDM_PROT_CFG_RTS_TH_EN		FIELD32(0x04000000)
+
+/*
+ * MM20_PROT_CFG: MM20 Protection
+ */
+#define MM20_PROT_CFG			0x136c
+#define MM20_PROT_CFG_PROTECT_RATE	FIELD32(0x0000ffff)
+#define MM20_PROT_CFG_PROTECT_CTRL	FIELD32(0x00030000)
+#define MM20_PROT_CFG_PROTECT_NAV	FIELD32(0x000c0000)
+#define MM20_PROT_CFG_TX_OP_ALLOW_CCK	FIELD32(0x00100000)
+#define MM20_PROT_CFG_TX_OP_ALLOW_OFDM	FIELD32(0x00200000)
+#define MM20_PROT_CFG_TX_OP_ALLOW_MM20	FIELD32(0x00400000)
+#define MM20_PROT_CFG_TX_OP_ALLOW_MM40	FIELD32(0x00800000)
+#define MM20_PROT_CFG_TX_OP_ALLOW_GF20	FIELD32(0x01000000)
+#define MM20_PROT_CFG_TX_OP_ALLOW_GF40	FIELD32(0x02000000)
+#define MM20_PROT_CFG_RTS_TH_EN		FIELD32(0x04000000)
+
+/*
+ * MM40_PROT_CFG: MM40 Protection
+ */
+#define MM40_PROT_CFG			0x1370
+#define MM40_PROT_CFG_PROTECT_RATE	FIELD32(0x0000ffff)
+#define MM40_PROT_CFG_PROTECT_CTRL	FIELD32(0x00030000)
+#define MM40_PROT_CFG_PROTECT_NAV	FIELD32(0x000c0000)
+#define MM40_PROT_CFG_TX_OP_ALLOW_CCK	FIELD32(0x00100000)
+#define MM40_PROT_CFG_TX_OP_ALLOW_OFDM	FIELD32(0x00200000)
+#define MM40_PROT_CFG_TX_OP_ALLOW_MM20	FIELD32(0x00400000)
+#define MM40_PROT_CFG_TX_OP_ALLOW_MM40	FIELD32(0x00800000)
+#define MM40_PROT_CFG_TX_OP_ALLOW_GF20	FIELD32(0x01000000)
+#define MM40_PROT_CFG_TX_OP_ALLOW_GF40	FIELD32(0x02000000)
+#define MM40_PROT_CFG_RTS_TH_EN		FIELD32(0x04000000)
+
+/*
+ * GF20_PROT_CFG: GF20 Protection
+ */
+#define GF20_PROT_CFG			0x1374
+#define GF20_PROT_CFG_PROTECT_RATE	FIELD32(0x0000ffff)
+#define GF20_PROT_CFG_PROTECT_CTRL	FIELD32(0x00030000)
+#define GF20_PROT_CFG_PROTECT_NAV	FIELD32(0x000c0000)
+#define GF20_PROT_CFG_TX_OP_ALLOW_CCK	FIELD32(0x00100000)
+#define GF20_PROT_CFG_TX_OP_ALLOW_OFDM	FIELD32(0x00200000)
+#define GF20_PROT_CFG_TX_OP_ALLOW_MM20	FIELD32(0x00400000)
+#define GF20_PROT_CFG_TX_OP_ALLOW_MM40	FIELD32(0x00800000)
+#define GF20_PROT_CFG_TX_OP_ALLOW_GF20	FIELD32(0x01000000)
+#define GF20_PROT_CFG_TX_OP_ALLOW_GF40	FIELD32(0x02000000)
+#define GF20_PROT_CFG_RTS_TH_EN		FIELD32(0x04000000)
+
+/*
+ * GF40_PROT_CFG: GF40 Protection
+ */
+#define GF40_PROT_CFG			0x1378
+#define GF40_PROT_CFG_PROTECT_RATE	FIELD32(0x0000ffff)
+#define GF40_PROT_CFG_PROTECT_CTRL	FIELD32(0x00030000)
+#define GF40_PROT_CFG_PROTECT_NAV	FIELD32(0x000c0000)
+#define GF40_PROT_CFG_TX_OP_ALLOW_CCK	FIELD32(0x00100000)
+#define GF40_PROT_CFG_TX_OP_ALLOW_OFDM	FIELD32(0x00200000)
+#define GF40_PROT_CFG_TX_OP_ALLOW_MM20	FIELD32(0x00400000)
+#define GF40_PROT_CFG_TX_OP_ALLOW_MM40	FIELD32(0x00800000)
+#define GF40_PROT_CFG_TX_OP_ALLOW_GF20	FIELD32(0x01000000)
+#define GF40_PROT_CFG_TX_OP_ALLOW_GF40	FIELD32(0x02000000)
+#define GF40_PROT_CFG_RTS_TH_EN		FIELD32(0x04000000)
+
+/*
+ * EXP_CTS_TIME:
+ */
+#define EXP_CTS_TIME			0x137c
+
+/*
+ * EXP_ACK_TIME:
+ */
+#define EXP_ACK_TIME			0x1380
+
+/*
+ * RX_FILTER_CFG: RX configuration register.
+ */
+#define RX_FILTER_CFG			0x1400
+#define RX_FILTER_CFG_DROP_CRC_ERROR	FIELD32(0x00000001)
+#define RX_FILTER_CFG_DROP_PHY_ERROR	FIELD32(0x00000002)
+#define RX_FILTER_CFG_DROP_NOT_TO_ME	FIELD32(0x00000004)
+#define RX_FILTER_CFG_DROP_NOT_MY_BSSD	FIELD32(0x00000008)
+#define RX_FILTER_CFG_DROP_VER_ERROR	FIELD32(0x00000010)
+#define RX_FILTER_CFG_DROP_MULTICAST	FIELD32(0x00000020)
+#define RX_FILTER_CFG_DROP_BROADCAST	FIELD32(0x00000040)
+#define RX_FILTER_CFG_DROP_DUPLICATE	FIELD32(0x00000080)
+#define RX_FILTER_CFG_DROP_CF_END_ACK	FIELD32(0x00000100)
+#define RX_FILTER_CFG_DROP_CF_END	FIELD32(0x00000200)
+#define RX_FILTER_CFG_DROP_ACK		FIELD32(0x00000400)
+#define RX_FILTER_CFG_DROP_CTS		FIELD32(0x00000800)
+#define RX_FILTER_CFG_DROP_RTS		FIELD32(0x00001000)
+#define RX_FILTER_CFG_DROP_PSPOLL	FIELD32(0x00002000)
+#define RX_FILTER_CFG_DROP_BA		FIELD32(0x00004000)
+#define RX_FILTER_CFG_DROP_BAR		FIELD32(0x00008000)
+#define RX_FILTER_CFG_DROP_CNTL		FIELD32(0x00010000)
+
+/*
+ * AUTO_RSP_CFG:
+ * AUTORESPONDER: 0: disable, 1: enable
+ * BAC_ACK_POLICY: 0:long, 1:short preamble
+ * CTS_40_MMODE: Response CTS 40MHz duplicate mode
+ * CTS_40_MREF: Response CTS 40MHz duplicate mode
+ * AR_PREAMBLE: Auto responder preamble 0:long, 1:short preamble
+ * DUAL_CTS_EN: Power bit value in control frame
+ * ACK_CTS_PSM_BIT:Power bit value in control frame
+ */
+#define AUTO_RSP_CFG			0x1404
+#define AUTO_RSP_CFG_AUTORESPONDER	FIELD32(0x00000001)
+#define AUTO_RSP_CFG_BAC_ACK_POLICY	FIELD32(0x00000002)
+#define AUTO_RSP_CFG_CTS_40_MMODE	FIELD32(0x00000004)
+#define AUTO_RSP_CFG_CTS_40_MREF	FIELD32(0x00000008)
+#define AUTO_RSP_CFG_AR_PREAMBLE	FIELD32(0x00000010)
+#define AUTO_RSP_CFG_DUAL_CTS_EN	FIELD32(0x00000040)
+#define AUTO_RSP_CFG_ACK_CTS_PSM_BIT	FIELD32(0x00000080)
+
+/*
+ * LEGACY_BASIC_RATE:
+ */
+#define LEGACY_BASIC_RATE		0x1408
+
+/*
+ * HT_BASIC_RATE:
+ */
+#define HT_BASIC_RATE			0x140c
+
+/*
+ * HT_CTRL_CFG:
+ */
+#define HT_CTRL_CFG			0x1410
+
+/*
+ * SIFS_COST_CFG:
+ */
+#define SIFS_COST_CFG			0x1414
+
+/*
+ * RX_PARSER_CFG:
+ * Set NAV for all received frames
+ */
+#define RX_PARSER_CFG			0x1418
+
+/*
+ * TX_SEC_CNT0:
+ */
+#define TX_SEC_CNT0			0x1500
+
+/*
+ * RX_SEC_CNT0:
+ */
+#define RX_SEC_CNT0			0x1504
+
+/*
+ * CCMP_FC_MUTE:
+ */
+#define CCMP_FC_MUTE			0x1508
+
+/*
+ * TXOP_HLDR_ADDR0:
+ */
+#define TXOP_HLDR_ADDR0			0x1600
+
+/*
+ * TXOP_HLDR_ADDR1:
+ */
+#define TXOP_HLDR_ADDR1			0x1604
+
+/*
+ * TXOP_HLDR_ET:
+ */
+#define TXOP_HLDR_ET			0x1608
+
+/*
+ * QOS_CFPOLL_RA_DW0:
+ */
+#define QOS_CFPOLL_RA_DW0		0x160c
+
+/*
+ * QOS_CFPOLL_RA_DW1:
+ */
+#define QOS_CFPOLL_RA_DW1		0x1610
+
+/*
+ * QOS_CFPOLL_QC:
+ */
+#define QOS_CFPOLL_QC			0x1614
+
+/*
+ * RX_STA_CNT0: RX PLCP error count & RX CRC error count
+ */
+#define RX_STA_CNT0			0x1700
+#define RX_STA_CNT0_CRC_ERR		FIELD32(0x0000ffff)
+#define RX_STA_CNT0_PHY_ERR		FIELD32(0xffff0000)
+
+/*
+ * RX_STA_CNT1: RX False CCA count & RX LONG frame count
+ */
+#define RX_STA_CNT1			0x1704
+#define RX_STA_CNT1_FALSE_CCA		FIELD32(0x0000ffff)
+#define RX_STA_CNT1_PLCP_ERR		FIELD32(0xffff0000)
+
+/*
+ * RX_STA_CNT2:
+ */
+#define RX_STA_CNT2			0x1708
+#define RX_STA_CNT2_RX_DUPLI_COUNT	FIELD32(0x0000ffff)
+#define RX_STA_CNT2_RX_FIFO_OVERFLOW	FIELD32(0xffff0000)
+
+/*
+ * TX_STA_CNT0: TX Beacon count
+ */
+#define TX_STA_CNT0			0x170c
+#define TX_STA_CNT0_TX_FAIL_COUNT	FIELD32(0x0000ffff)
+#define TX_STA_CNT0_TX_BEACON_COUNT	FIELD32(0xffff0000)
+
+/*
+ * TX_STA_CNT1: TX tx count
+ */
+#define TX_STA_CNT1			0x1710
+#define TX_STA_CNT1_TX_SUCCESS		FIELD32(0x0000ffff)
+#define TX_STA_CNT1_TX_RETRANSMIT	FIELD32(0xffff0000)
+
+/*
+ * TX_STA_CNT2: TX tx count
+ */
+#define TX_STA_CNT2			0x1714
+#define TX_STA_CNT2_TX_ZERO_LEN_COUNT	FIELD32(0x0000ffff)
+#define TX_STA_CNT2_TX_UNDER_FLOW_COUNT	FIELD32(0xffff0000)
+
+/*
+ * TX_STA_FIFO: TX Result for specific PID status fifo register
+ */
+#define TX_STA_FIFO			0x1718
+#define TX_STA_FIFO_B_VALID		FIELD32(0x00000001)
+#define TX_STA_FIFO_PID_TYPE		FIELD32(0x0000001e)
+#define TX_STA_FIFO_TX_SUCCESS		FIELD32(0x00000020)
+#define TX_STA_FIFO_TX_AGGRE		FIELD32(0x00000040)
+#define TX_STA_FIFO_TX_ACK_REQUIRED	FIELD32(0x00000080)
+#define TX_STA_FIFO_WCID		FIELD32(0x0000ff00)
+#define TX_STA_FIFO_SUCCESS_RATE	FIELD32(0xffff0000)
+
+/*
+ * TX_AGG_CNT: Debug counter
+ */
+#define TX_AGG_CNT			0x171c
+#define TX_AGG_CNT_NON_AGG_TX_COUNT	FIELD32(0x0000ffff)
+#define TX_AGG_CNT_AGG_TX_COUNT		FIELD32(0xffff0000)
+
+/*
+ * TX_AGG_CNT0:
+ */
+#define TX_AGG_CNT0			0x1720
+#define TX_AGG_CNT0_AGG_SIZE_1_COUNT	FIELD32(0x0000ffff)
+#define TX_AGG_CNT0_AGG_SIZE_2_COUNT	FIELD32(0xffff0000)
+
+/*
+ * TX_AGG_CNT1:
+ */
+#define TX_AGG_CNT1			0x1724
+#define TX_AGG_CNT1_AGG_SIZE_3_COUNT	FIELD32(0x0000ffff)
+#define TX_AGG_CNT1_AGG_SIZE_4_COUNT	FIELD32(0xffff0000)
+
+/*
+ * TX_AGG_CNT2:
+ */
+#define TX_AGG_CNT2			0x1728
+#define TX_AGG_CNT2_AGG_SIZE_5_COUNT	FIELD32(0x0000ffff)
+#define TX_AGG_CNT2_AGG_SIZE_6_COUNT	FIELD32(0xffff0000)
+
+/*
+ * TX_AGG_CNT3:
+ */
+#define TX_AGG_CNT3			0x172c
+#define TX_AGG_CNT3_AGG_SIZE_7_COUNT	FIELD32(0x0000ffff)
+#define TX_AGG_CNT3_AGG_SIZE_8_COUNT	FIELD32(0xffff0000)
+
+/*
+ * TX_AGG_CNT4:
+ */
+#define TX_AGG_CNT4			0x1730
+#define TX_AGG_CNT4_AGG_SIZE_9_COUNT	FIELD32(0x0000ffff)
+#define TX_AGG_CNT4_AGG_SIZE_10_COUNT	FIELD32(0xffff0000)
+
+/*
+ * TX_AGG_CNT5:
+ */
+#define TX_AGG_CNT5			0x1734
+#define TX_AGG_CNT5_AGG_SIZE_11_COUNT	FIELD32(0x0000ffff)
+#define TX_AGG_CNT5_AGG_SIZE_12_COUNT	FIELD32(0xffff0000)
+
+/*
+ * TX_AGG_CNT6:
+ */
+#define TX_AGG_CNT6			0x1738
+#define TX_AGG_CNT6_AGG_SIZE_13_COUNT	FIELD32(0x0000ffff)
+#define TX_AGG_CNT6_AGG_SIZE_14_COUNT	FIELD32(0xffff0000)
+
+/*
+ * TX_AGG_CNT7:
+ */
+#define TX_AGG_CNT7			0x173c
+#define TX_AGG_CNT7_AGG_SIZE_15_COUNT	FIELD32(0x0000ffff)
+#define TX_AGG_CNT7_AGG_SIZE_16_COUNT	FIELD32(0xffff0000)
+
+/*
+ * MPDU_DENSITY_CNT:
+ * TX_ZERO_DEL: TX zero length delimiter count
+ * RX_ZERO_DEL: RX zero length delimiter count
+ */
+#define MPDU_DENSITY_CNT		0x1740
+#define MPDU_DENSITY_CNT_TX_ZERO_DEL	FIELD32(0x0000ffff)
+#define MPDU_DENSITY_CNT_RX_ZERO_DEL	FIELD32(0xffff0000)
+
+/*
+ * Security key table memory, base address = 0x1800
+ */
+struct hw_pairwise_ta_entry {
+	u8 address[6];
+	u8 reserved[2];
+} __attribute__ ((packed));
+
+struct wcid_entry {
+	u8 rx_ba_bitmat7;
+	u8 rx_ba_bitmat0;
+	u8 mac[6];
+} __attribute__ ((packed));
+
+struct hw_key_entry {
+	u8 key[16];
+	u8 tx_mic[8];
+	u8 rx_mic[8];
+} __attribute__ ((packed));
+
+/*
+ * Security key table memory.
+ * MAC_WCID_BASE: 8-bytes (use only 6 bytes) * 256 entry
+ * PAIRWISE_KEY_TABLE_BASE: 32-byte * 256 entry
+ * PAIRWISE_IVEIV_TABLE_BASE: 8-byte * 256-entry
+ * MAC_IVEIV_TABLE_BASE: 8-byte * 256-entry
+ * MAC_WCID_ATTRIBUTE_BASE: 4-byte * 256-entry
+ * SHARED_KEY_TABLE_BASE: 32-byte * 16-entry
+ * SHARED_KEY_MODE_BASE: 32-byte * 16-entry
+ */
+#define MAC_WCID_BASE			0x1800
+#define PAIRWISE_KEY_TABLE_BASE		0x4000
+#define PAIRWISE_IVEIV_TABLE_BASE	0x6000
+#define MAC_IVEIV_TABLE_BASE		0x6000
+#define MAC_WCID_ATTRIBUTE_BASE		0x6800
+#define SHARED_KEY_TABLE_BASE		0x6c00
+#define SHARED_KEY_MODE_BASE		0x7000
+
+#define SHARED_KEY_ENTRY(__idx) \
+	( SHARED_KEY_TABLE_BASE + \
+		((__idx) * sizeof(struct hw_key_entry)) )
+#define SHARED_KEY_MODE_ENTRY(__idx) \
+	( SHARED_KEY_MODE_BASE + ((__idx) * sizeof(u32)) )
+#define PAIRWISE_KEY_ENTRY(__idx) \
+	( PAIRWISE_KEY_TABLE_BASE + \
+		((__idx) * sizeof(struct hw_key_entry)) )
+
+#define MAC_WCID_ENTRY(__idx) \
+	( MAC_WCID_BASE + (2 * sizeof(u32) * (__idx)) )
+#define MAC_WCID_ATTR_ENTRY(__idx) \
+	( MAC_WCID_ATTRIBUTE_BASE + ((__idx) * sizeof(u32)) )
+
+/*
+ * MAC_WCID_ATTRIBUTE:
+ * KEYTAB: 0: shared key table, 1: pairwise key table
+ * BSS_IDX: multipleBSS index for the WCID
+ */
+#define MAC_WCID_ATTRIBUTE_KEYTAB	FIELD32(0x00000001)
+#define MAC_WCID_ATTRIBUTE_PAIRKEY_MODE	FIELD32(0x0000000e)
+#define MAC_WCID_ATTRIBUTE_BSS_IDX	FIELD32(0x00000070)
+#define MAC_WCID_ATTRIBUTE_RX_WIUDF	FIELD32(0x00000380)
+
+/*
+ * SHARED_KEY_MODE:
+ */
+#define SHARED_KEY_MODE_BSS0_KEY0	FIELD32(0x00000007)
+#define SHARED_KEY_MODE_BSS0_KEY1	FIELD32(0x00000070)
+#define SHARED_KEY_MODE_BSS0_KEY2	FIELD32(0x00000700)
+#define SHARED_KEY_MODE_BSS0_KEY3	FIELD32(0x00007000)
+#define SHARED_KEY_MODE_BSS1_KEY0	FIELD32(0x00070000)
+#define SHARED_KEY_MODE_BSS1_KEY1	FIELD32(0x00700000)
+#define SHARED_KEY_MODE_BSS1_KEY2	FIELD32(0x07000000)
+#define SHARED_KEY_MODE_BSS1_KEY3	FIELD32(0x70000000)
+
+/*
+ * HOST-MCU communication
+ */
+
+/*
+ * H2M_MAILBOX_CSR: Host-to-MCU Mailbox.
+ */
+#define H2M_MAILBOX_CSR			0x7010
+#define H2M_MAILBOX_CSR_ARG0		FIELD32(0x000000ff)
+#define H2M_MAILBOX_CSR_ARG1		FIELD32(0x0000ff00)
+#define H2M_MAILBOX_CSR_CMD_TOKEN	FIELD32(0x00ff0000)
+#define H2M_MAILBOX_CSR_OWNER		FIELD32(0xff000000)
+
+/*
+ * H2M_MAILBOX_CID:
+ */
+#define H2M_MAILBOX_CID			0x7014
+
+/*
+ * H2M_MAILBOX_STATUS:
+ */
+#define H2M_MAILBOX_STATUS		0x701c
+
+/*
+ * H2M_INT_SRC:
+ */
+#define H2M_INT_SRC			0x7024
+
+/*
+ * H2M_BBP_AGENT:
+ */
+#define H2M_BBP_AGENT			0x7028
+
+/*
+ * MCU_LEDCS: LED control for MCU Mailbox.
+ */
+#define MCU_LEDCS_LED_MODE		FIELD8(0x1f)
+#define MCU_LEDCS_POLARITY		FIELD8(0x01)
+
+/*
+ * HW_CS_CTS_BASE:
+ * Carrier-sense CTS frame base address.
+ * It's where mac stores carrier-sense frame for carrier-sense function.
+ */
+#define HW_CS_CTS_BASE			0x7700
+
+/*
+ * HW_DFS_CTS_BASE:
+ * FS CTS frame base address. It's where mac stores CTS frame for DFS.
+ */
+#define HW_DFS_CTS_BASE			0x7780
+
+/*
+ * TXRX control registers - base address 0x3000
+ */
+
+/*
+ * TXRX_CSR1:
+ * rt2860b  UNKNOWN reg use R/O Reg Addr 0x77d0 first..
+ */
+#define TXRX_CSR1			0x77d0
+
+/*
+ * HW_DEBUG_SETTING_BASE:
+ * since NULL frame won't be that long (256 byte)
+ * We steal 16 tail bytes to save debugging settings
+ */
+#define HW_DEBUG_SETTING_BASE		0x77f0
+#define HW_DEBUG_SETTING_BASE2		0x7770
+
+/*
+ * HW_BEACON_BASE
+ * In order to support maximum 8 MBSS and its maximum length
+ *	is 512 bytes for each beacon
+ * Three section discontinue memory segments will be used.
+ * 1. The original region for BCN 0~3
+ * 2. Extract memory from FCE table for BCN 4~5
+ * 3. Extract memory from Pair-wise key table for BCN 6~7
+ *    It occupied those memory of wcid 238~253 for BCN 6
+ *    and wcid 222~237 for BCN 7
+ *
+ * IMPORTANT NOTE: Not sure why legacy driver does this,
+ * but HW_BEACON_BASE7 is 0x0200 bytes below HW_BEACON_BASE6.
+ */
+#define HW_BEACON_BASE0			0x7800
+#define HW_BEACON_BASE1			0x7a00
+#define HW_BEACON_BASE2			0x7c00
+#define HW_BEACON_BASE3			0x7e00
+#define HW_BEACON_BASE4			0x7200
+#define HW_BEACON_BASE5			0x7400
+#define HW_BEACON_BASE6			0x5dc0
+#define HW_BEACON_BASE7			0x5bc0
+
+#define HW_BEACON_OFFSET(__index) \
+	( ((__index) < 4) ? ( HW_BEACON_BASE0 + (__index * 0x0200) ) : \
+	  (((__index) < 6) ? ( HW_BEACON_BASE4 + ((__index - 4) * 0x0200) ) : \
+	  (HW_BEACON_BASE6 - ((__index - 6) * 0x0200))) )
+
+/*
+ * 8051 firmware image.
+ */
+#define FIRMWARE_RT2870			"rt2870.bin"
+#define FIRMWARE_IMAGE_BASE		0x3000
+
+/*
+ * BBP registers.
+ * The wordsize of the BBP is 8 bits.
+ */
+
+/*
+ * BBP 1: TX Antenna
+ */
+#define BBP1_TX_POWER			FIELD8(0x07)
+#define BBP1_TX_ANTENNA			FIELD8(0x18)
+
+/*
+ * BBP 3: RX Antenna
+ */
+#define BBP3_RX_ANTENNA			FIELD8(0x18)
+
+/*
+ * BBP 4: Bandwidth
+ */
+#define BBP4_BANDWIDTH			FIELD8(0x18)
+
+/*
+ * RFCSR registers
+ * The wordsize of the RFCSR is 8 bits.
+ */
+
+/*
+ * RFCSR 6:
+ */
+#define RFCSR6_R			FIELD8(0x03)
+
+/*
+ * RFCSR 7:
+ */
+#define RFCSR7_RF_TUNING		FIELD8(0x01)
+
+/*
+ * RFCSR 12:
+ */
+#define RFCSR12_TX_POWER		FIELD8(0x1f)
+
+/*
+ * RFCSR 22:
+ */
+#define RFCSR22_BASEBAND_LOOPBACK	FIELD8(0x01)
+
+/*
+ * RFCSR 23:
+ */
+#define RFCSR23_FREQ_OFFSET		FIELD8(0x7f)
+
+/*
+ * RFCSR 30:
+ */
+#define RFCSR30_RF_CALIBRATION		FIELD8(0x80)
+
+/*
+ * RF registers
+ */
+
+/*
+ * RF 2
+ */
+#define RF2_ANTENNA_RX2			FIELD32(0x00000040)
+#define RF2_ANTENNA_TX1			FIELD32(0x00004000)
+#define RF2_ANTENNA_RX1			FIELD32(0x00020000)
+
+/*
+ * RF 3
+ */
+#define RF3_TXPOWER_G			FIELD32(0x00003e00)
+#define RF3_TXPOWER_A_7DBM_BOOST	FIELD32(0x00000200)
+#define RF3_TXPOWER_A			FIELD32(0x00003c00)
+
+/*
+ * RF 4
+ */
+#define RF4_TXPOWER_G			FIELD32(0x000007c0)
+#define RF4_TXPOWER_A_7DBM_BOOST	FIELD32(0x00000040)
+#define RF4_TXPOWER_A			FIELD32(0x00000780)
+#define RF4_FREQ_OFFSET			FIELD32(0x001f8000)
+#define RF4_BW40			FIELD32(0x00200000)
+
+/*
+ * EEPROM content.
+ * The wordsize of the EEPROM is 16 bits.
+ */
+
+/*
+ * EEPROM Version
+ */
+#define EEPROM_VERSION			0x0001
+#define EEPROM_VERSION_FAE		FIELD16(0x00ff)
+#define EEPROM_VERSION_VERSION		FIELD16(0xff00)
+
+/*
+ * HW MAC address.
+ */
+#define EEPROM_MAC_ADDR_0		0x0002
+#define EEPROM_MAC_ADDR_BYTE0		FIELD16(0x00ff)
+#define EEPROM_MAC_ADDR_BYTE1		FIELD16(0xff00)
+#define EEPROM_MAC_ADDR_1		0x0003
+#define EEPROM_MAC_ADDR_BYTE2		FIELD16(0x00ff)
+#define EEPROM_MAC_ADDR_BYTE3		FIELD16(0xff00)
+#define EEPROM_MAC_ADDR_2		0x0004
+#define EEPROM_MAC_ADDR_BYTE4		FIELD16(0x00ff)
+#define EEPROM_MAC_ADDR_BYTE5		FIELD16(0xff00)
+
+/*
+ * EEPROM ANTENNA config
+ * RXPATH: 1: 1R, 2: 2R, 3: 3R
+ * TXPATH: 1: 1T, 2: 2T
+ */
+#define	EEPROM_ANTENNA			0x001a
+#define EEPROM_ANTENNA_RXPATH		FIELD16(0x000f)
+#define EEPROM_ANTENNA_TXPATH		FIELD16(0x00f0)
+#define EEPROM_ANTENNA_RF_TYPE		FIELD16(0x0f00)
+
+/*
+ * EEPROM NIC config
+ * CARDBUS_ACCEL: 0 - enable, 1 - disable
+ */
+#define	EEPROM_NIC			0x001b
+#define EEPROM_NIC_HW_RADIO		FIELD16(0x0001)
+#define EEPROM_NIC_DYNAMIC_TX_AGC	FIELD16(0x0002)
+#define EEPROM_NIC_EXTERNAL_LNA_BG	FIELD16(0x0004)
+#define EEPROM_NIC_EXTERNAL_LNA_A	FIELD16(0x0008)
+#define EEPROM_NIC_CARDBUS_ACCEL	FIELD16(0x0010)
+#define EEPROM_NIC_BW40M_SB_BG		FIELD16(0x0020)
+#define EEPROM_NIC_BW40M_SB_A		FIELD16(0x0040)
+#define EEPROM_NIC_WPS_PBC		FIELD16(0x0080)
+#define EEPROM_NIC_BW40M_BG		FIELD16(0x0100)
+#define EEPROM_NIC_BW40M_A		FIELD16(0x0200)
+
+/*
+ * EEPROM frequency
+ */
+#define	EEPROM_FREQ			0x001d
+#define EEPROM_FREQ_OFFSET		FIELD16(0x00ff)
+#define EEPROM_FREQ_LED_MODE		FIELD16(0x7f00)
+#define EEPROM_FREQ_LED_POLARITY	FIELD16(0x1000)
+
+/*
+ * EEPROM LED
+ * POLARITY_RDY_G: Polarity RDY_G setting.
+ * POLARITY_RDY_A: Polarity RDY_A setting.
+ * POLARITY_ACT: Polarity ACT setting.
+ * POLARITY_GPIO_0: Polarity GPIO0 setting.
+ * POLARITY_GPIO_1: Polarity GPIO1 setting.
+ * POLARITY_GPIO_2: Polarity GPIO2 setting.
+ * POLARITY_GPIO_3: Polarity GPIO3 setting.
+ * POLARITY_GPIO_4: Polarity GPIO4 setting.
+ * LED_MODE: Led mode.
+ */
+#define EEPROM_LED1			0x001e
+#define EEPROM_LED2			0x001f
+#define EEPROM_LED3			0x0020
+#define EEPROM_LED_POLARITY_RDY_BG	FIELD16(0x0001)
+#define EEPROM_LED_POLARITY_RDY_A	FIELD16(0x0002)
+#define EEPROM_LED_POLARITY_ACT		FIELD16(0x0004)
+#define EEPROM_LED_POLARITY_GPIO_0	FIELD16(0x0008)
+#define EEPROM_LED_POLARITY_GPIO_1	FIELD16(0x0010)
+#define EEPROM_LED_POLARITY_GPIO_2	FIELD16(0x0020)
+#define EEPROM_LED_POLARITY_GPIO_3	FIELD16(0x0040)
+#define EEPROM_LED_POLARITY_GPIO_4	FIELD16(0x0080)
+#define EEPROM_LED_LED_MODE		FIELD16(0x1f00)
+
+/*
+ * EEPROM LNA
+ */
+#define EEPROM_LNA			0x0022
+#define EEPROM_LNA_BG			FIELD16(0x00ff)
+#define EEPROM_LNA_A0			FIELD16(0xff00)
+
+/*
+ * EEPROM RSSI BG offset
+ */
+#define EEPROM_RSSI_BG			0x0023
+#define EEPROM_RSSI_BG_OFFSET0		FIELD16(0x00ff)
+#define EEPROM_RSSI_BG_OFFSET1		FIELD16(0xff00)
+
+/*
+ * EEPROM RSSI BG2 offset
+ */
+#define EEPROM_RSSI_BG2			0x0024
+#define EEPROM_RSSI_BG2_OFFSET2		FIELD16(0x00ff)
+#define EEPROM_RSSI_BG2_LNA_A1		FIELD16(0xff00)
+
+/*
+ * EEPROM RSSI A offset
+ */
+#define EEPROM_RSSI_A			0x0025
+#define EEPROM_RSSI_A_OFFSET0		FIELD16(0x00ff)
+#define EEPROM_RSSI_A_OFFSET1		FIELD16(0xff00)
+
+/*
+ * EEPROM RSSI A2 offset
+ */
+#define EEPROM_RSSI_A2			0x0026
+#define EEPROM_RSSI_A2_OFFSET2		FIELD16(0x00ff)
+#define EEPROM_RSSI_A2_LNA_A2		FIELD16(0xff00)
+
+/*
+ * EEPROM TXpower delta: 20MHZ AND 40 MHZ use different power.
+ *	This is delta in 40MHZ.
+ * VALUE: Tx Power dalta value (MAX=4)
+ * TYPE: 1: Plus the delta value, 0: minus the delta value
+ * TXPOWER: Enable:
+ */
+#define EEPROM_TXPOWER_DELTA		0x0028
+#define EEPROM_TXPOWER_DELTA_VALUE	FIELD16(0x003f)
+#define EEPROM_TXPOWER_DELTA_TYPE	FIELD16(0x0040)
+#define EEPROM_TXPOWER_DELTA_TXPOWER	FIELD16(0x0080)
+
+/*
+ * EEPROM TXPOWER 802.11BG
+ */
+#define	EEPROM_TXPOWER_BG1		0x0029
+#define	EEPROM_TXPOWER_BG2		0x0030
+#define EEPROM_TXPOWER_BG_SIZE		7
+#define EEPROM_TXPOWER_BG_1		FIELD16(0x00ff)
+#define EEPROM_TXPOWER_BG_2		FIELD16(0xff00)
+
+/*
+ * EEPROM TXPOWER 802.11A
+ */
+#define EEPROM_TXPOWER_A1		0x003c
+#define EEPROM_TXPOWER_A2		0x0053
+#define EEPROM_TXPOWER_A_SIZE		6
+#define EEPROM_TXPOWER_A_1		FIELD16(0x00ff)
+#define EEPROM_TXPOWER_A_2		FIELD16(0xff00)
+
+/*
+ * EEPROM TXpower byrate: 20MHZ power
+ */
+#define EEPROM_TXPOWER_BYRATE		0x006f
+
+/*
+ * EEPROM BBP.
+ */
+#define	EEPROM_BBP_START		0x0078
+#define EEPROM_BBP_SIZE			16
+#define EEPROM_BBP_VALUE		FIELD16(0x00ff)
+#define EEPROM_BBP_REG_ID		FIELD16(0xff00)
+
+/*
+ * MCU mailbox commands.
+ */
+#define MCU_SLEEP			0x30
+#define MCU_WAKEUP			0x31
+#define MCU_LED				0x50
+#define MCU_LED_STRENGTH		0x51
+#define MCU_LED_1			0x52
+#define MCU_LED_2			0x53
+#define MCU_LED_3			0x54
+#define MCU_RADAR			0x60
+#define MCU_BOOT_SIGNAL			0x72
+
+/*
+ * DMA descriptor defines.
+ */
+#define TXD_DESC_SIZE			( 4 * sizeof(__le32) )
+#define TXINFO_DESC_SIZE		( 1 * sizeof(__le32) )
+#define TXWI_DESC_SIZE			( 4 * sizeof(__le32) )
+#define RXD_DESC_SIZE			( 1 * sizeof(__le32) )
+#define RXWI_DESC_SIZE			( 4 * sizeof(__le32) )
+
+/*
+ * TX descriptor format for TX, PRIO and Beacon Ring.
+ */
+
+/*
+ * Word0
+ */
+#define TXD_W0_SD_PTR0			FIELD32(0xffffffff)
+
+/*
+ * Word1
+ */
+#define TXD_W1_SD_LEN1			FIELD32(0x00003fff)
+#define TXD_W1_LAST_SEC1		FIELD32(0x00004000)
+#define TXD_W1_BURST			FIELD32(0x00008000)
+#define TXD_W1_SD_LEN0			FIELD32(0x3fff0000)
+#define TXD_W1_LAST_SEC0		FIELD32(0x40000000)
+#define TXD_W1_DMA_DONE			FIELD32(0x80000000)
+
+/*
+ * Word2
+ */
+#define TXD_W2_SD_PTR1			FIELD32(0xffffffff)
+
+/*
+ * Word3
+ * WIV: Wireless Info Valid. 1: Driver filled WI,  0: DMA needs to copy WI
+ * QSEL: Select on-chip FIFO ID for 2nd-stage output scheduler.
+ *       0:MGMT, 1:HCCA 2:EDCA
+ */
+#define TXD_W3_WIV			FIELD32(0x01000000)
+#define TXD_W3_QSEL			FIELD32(0x06000000)
+#define TXD_W3_TCO			FIELD32(0x20000000)
+#define TXD_W3_UCO			FIELD32(0x40000000)
+#define TXD_W3_ICO			FIELD32(0x80000000)
+
+/*
+ * TX Info structure
+ */
+
+/*
+ * Word0
+ * WIV: Wireless Info Valid. 1: Driver filled WI,  0: DMA needs to copy WI
+ * QSEL: Select on-chip FIFO ID for 2nd-stage output scheduler.
+ *       0:MGMT, 1:HCCA 2:EDCA
+ * USB_DMA_NEXT_VALID: Used ONLY in USB bulk Aggregation, NextValid
+ * DMA_TX_BURST: used ONLY in USB bulk Aggregation.
+ *               Force USB DMA transmit frame from current selected endpoint
+ */
+#define TXINFO_W0_USB_DMA_TX_PKT_LEN	FIELD32(0x0000ffff)
+#define TXINFO_W0_WIV			FIELD32(0x01000000)
+#define TXINFO_W0_QSEL			FIELD32(0x06000000)
+#define TXINFO_W0_SW_USE_LAST_ROUND	FIELD32(0x08000000)
+#define TXINFO_W0_USB_DMA_NEXT_VALID	FIELD32(0x40000000)
+#define TXINFO_W0_USB_DMA_TX_BURST	FIELD32(0x80000000)
+
+/*
+ * TX WI structure
+ */
+
+/*
+ * Word0
+ * FRAG: 1 To inform TKIP engine this is a fragment.
+ * MIMO_PS: The remote peer is in dynamic MIMO-PS mode
+ * TX_OP: 0:HT TXOP rule , 1:PIFS TX ,2:Backoff, 3:sifs
+ * BW: Channel bandwidth 20MHz or 40 MHz
+ * STBC: 1: STBC support MCS =0-7, 2,3 : RESERVED
+ */
+#define TXWI_W0_FRAG			FIELD32(0x00000001)
+#define TXWI_W0_MIMO_PS			FIELD32(0x00000002)
+#define TXWI_W0_CF_ACK			FIELD32(0x00000004)
+#define TXWI_W0_TS			FIELD32(0x00000008)
+#define TXWI_W0_AMPDU			FIELD32(0x00000010)
+#define TXWI_W0_MPDU_DENSITY		FIELD32(0x000000e0)
+#define TXWI_W0_TX_OP			FIELD32(0x00000300)
+#define TXWI_W0_MCS			FIELD32(0x007f0000)
+#define TXWI_W0_BW			FIELD32(0x00800000)
+#define TXWI_W0_SHORT_GI		FIELD32(0x01000000)
+#define TXWI_W0_STBC			FIELD32(0x06000000)
+#define TXWI_W0_IFS			FIELD32(0x08000000)
+#define TXWI_W0_PHYMODE			FIELD32(0xc0000000)
+
+/*
+ * Word1
+ */
+#define TXWI_W1_ACK			FIELD32(0x00000001)
+#define TXWI_W1_NSEQ			FIELD32(0x00000002)
+#define TXWI_W1_BW_WIN_SIZE		FIELD32(0x000000fc)
+#define TXWI_W1_WIRELESS_CLI_ID		FIELD32(0x0000ff00)
+#define TXWI_W1_MPDU_TOTAL_BYTE_COUNT	FIELD32(0x0fff0000)
+#define TXWI_W1_PACKETID		FIELD32(0xf0000000)
+
+/*
+ * Word2
+ */
+#define TXWI_W2_IV			FIELD32(0xffffffff)
+
+/*
+ * Word3
+ */
+#define TXWI_W3_EIV			FIELD32(0xffffffff)
+
+/*
+ * RX descriptor format for RX Ring.
+ */
+
+/*
+ * Word0
+ * UNICAST_TO_ME: This RX frame is unicast to me.
+ * MULTICAST: This is a multicast frame.
+ * BROADCAST: This is a broadcast frame.
+ * MY_BSS: this frame belongs to the same BSSID.
+ * CRC_ERROR: CRC error.
+ * CIPHER_ERROR: 0: decryption okay, 1:ICV error, 2:MIC error, 3:KEY not valid.
+ * AMSDU: rx with 802.3 header, not 802.11 header.
+ */
+
+#define RXD_W0_BA			FIELD32(0x00000001)
+#define RXD_W0_DATA			FIELD32(0x00000002)
+#define RXD_W0_NULLDATA			FIELD32(0x00000004)
+#define RXD_W0_FRAG			FIELD32(0x00000008)
+#define RXD_W0_UNICAST_TO_ME		FIELD32(0x00000010)
+#define RXD_W0_MULTICAST		FIELD32(0x00000020)
+#define RXD_W0_BROADCAST		FIELD32(0x00000040)
+#define RXD_W0_MY_BSS			FIELD32(0x00000080)
+#define RXD_W0_CRC_ERROR		FIELD32(0x00000100)
+#define RXD_W0_CIPHER_ERROR		FIELD32(0x00000600)
+#define RXD_W0_AMSDU			FIELD32(0x00000800)
+#define RXD_W0_HTC			FIELD32(0x00001000)
+#define RXD_W0_RSSI			FIELD32(0x00002000)
+#define RXD_W0_L2PAD			FIELD32(0x00004000)
+#define RXD_W0_AMPDU			FIELD32(0x00008000)
+#define RXD_W0_DECRYPTED		FIELD32(0x00010000)
+#define RXD_W0_PLCP_RSSI		FIELD32(0x00020000)
+#define RXD_W0_CIPHER_ALG		FIELD32(0x00040000)
+#define RXD_W0_LAST_AMSDU		FIELD32(0x00080000)
+#define RXD_W0_PLCP_SIGNAL		FIELD32(0xfff00000)
+
+/*
+ * RX WI structure
+ */
+
+/*
+ * Word0
+ */
+#define RXWI_W0_WIRELESS_CLI_ID		FIELD32(0x000000ff)
+#define RXWI_W0_KEY_INDEX		FIELD32(0x00000300)
+#define RXWI_W0_BSSID			FIELD32(0x00001c00)
+#define RXWI_W0_UDF			FIELD32(0x0000e000)
+#define RXWI_W0_MPDU_TOTAL_BYTE_COUNT	FIELD32(0x0fff0000)
+#define RXWI_W0_TID			FIELD32(0xf0000000)
+
+/*
+ * Word1
+ */
+#define RXWI_W1_FRAG			FIELD32(0x0000000f)
+#define RXWI_W1_SEQUENCE		FIELD32(0x0000fff0)
+#define RXWI_W1_MCS			FIELD32(0x007f0000)
+#define RXWI_W1_BW			FIELD32(0x00800000)
+#define RXWI_W1_SHORT_GI		FIELD32(0x01000000)
+#define RXWI_W1_STBC			FIELD32(0x06000000)
+#define RXWI_W1_PHYMODE			FIELD32(0xc0000000)
+
+/*
+ * Word2
+ */
+#define RXWI_W2_RSSI0			FIELD32(0x000000ff)
+#define RXWI_W2_RSSI1			FIELD32(0x0000ff00)
+#define RXWI_W2_RSSI2			FIELD32(0x00ff0000)
+
+/*
+ * Word3
+ */
+#define RXWI_W3_SNR0			FIELD32(0x000000ff)
+#define RXWI_W3_SNR1			FIELD32(0x0000ff00)
+
+/*
+ * Macro's for converting txpower from EEPROM to mac80211 value
+ * and from mac80211 value to register value.
+ */
+#define MIN_G_TXPOWER	0
+#define MIN_A_TXPOWER	-7
+#define MAX_G_TXPOWER	31
+#define MAX_A_TXPOWER	15
+#define DEFAULT_TXPOWER	5
+
+#define TXPOWER_G_FROM_DEV(__txpower) \
+	((__txpower) > MAX_G_TXPOWER) ? DEFAULT_TXPOWER : (__txpower)
+
+#define TXPOWER_G_TO_DEV(__txpower) \
+	clamp_t(char, __txpower, MIN_G_TXPOWER, MAX_G_TXPOWER)
+
+#define TXPOWER_A_FROM_DEV(__txpower) \
+	((__txpower) > MAX_A_TXPOWER) ? DEFAULT_TXPOWER : (__txpower)
+
+#define TXPOWER_A_TO_DEV(__txpower) \
+	clamp_t(char, __txpower, MIN_A_TXPOWER, MAX_A_TXPOWER)
+
+#endif /* RT2800USB_H */
--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
@@ -143,6 +143,7 @@ struct rt2x00_chip {
 #define RT2860D		0x0681	/* 2.4GHz, 5GHz PCI/CB */
 #define RT2890		0x0701	/* 2.4GHz PCIe */
 #define RT2890D		0x0781	/* 2.4GHz, 5GHz PCIe */
+#define RT2870		0x1600
 
 	u16 rf;
 	u32 rev;
@@ -778,6 +779,12 @@ struct rt2x00_dev {
 	u8 freq_offset;
 
 	/*
+	 * Calibration information (for rt2800usb).
+	 */
+	u8 calibration_bw20;
+	u8 calibration_bw40;
+
+	/*
 	 * Low level statistics which will have
 	 * to be kept up to date while device is running.
 	 */