Initial import

1 files changed, 1461 insertions, 0 deletions

diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
new file mode 100644
index 000000000..a34fca6aa
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -0,0 +1,1461 @@
+/*
+	Copyright (C) 2010 Willow Garage <http://www.willowgarage.com>
+	Copyright (C) 2009 - 2010 Ivo van Doorn <IvDoorn@gmail.com>
+	Copyright (C) 2009 Mattias Nissler <mattias.nissler@gmx.de>
+	Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org>
+	Copyright (C) 2009 Xose Vazquez Perez <xose.vazquez@gmail.com>
+	Copyright (C) 2009 Axel Kollhofer <rain_maker@root-forum.org>
+	<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, see <http://www.gnu.org/licenses/>.
+ */
+
+/*
+	Module: rt2800usb
+	Abstract: rt2800usb device specific routines.
+	Supported chipsets: RT2800U.
+ */
+
+#include <linux/delay.h>
+#include <linux/etherdevice.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/usb.h>
+
+#include "rt2x00.h"
+#include "rt2x00usb.h"
+#include "rt2800lib.h"
+#include "rt2800.h"
+#include "rt2800usb.h"
+
+/*
+ * Allow hardware encryption to be disabled.
+ */
+static bool modparam_nohwcrypt;
+module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
+MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
+
+static bool rt2800usb_hwcrypt_disabled(struct rt2x00_dev *rt2x00dev)
+{
+	return modparam_nohwcrypt;
+}
+
+/*
+ * Queue handlers.
+ */
+static void rt2800usb_start_queue(struct data_queue *queue)
+{
+	struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
+	u32 reg;
+
+	switch (queue->qid) {
+	case QID_RX:
+		rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
+		rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 1);
+		rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
+		break;
+	case QID_BEACON:
+		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_TBTT_ENABLE, 1);
+		rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 1);
+		rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg);
+		break;
+	default:
+		break;
+	}
+}
+
+static void rt2800usb_stop_queue(struct data_queue *queue)
+{
+	struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
+	u32 reg;
+
+	switch (queue->qid) {
+	case QID_RX:
+		rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
+		rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
+		rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
+		break;
+	case QID_BEACON:
+		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);
+		break;
+	default:
+		break;
+	}
+}
+
+/*
+ * test if there is an entry in any TX queue for which DMA is done
+ * but the TX status has not been returned yet
+ */
+static bool rt2800usb_txstatus_pending(struct rt2x00_dev *rt2x00dev)
+{
+	struct data_queue *queue;
+
+	tx_queue_for_each(rt2x00dev, queue) {
+		if (rt2x00queue_get_entry(queue, Q_INDEX_DMA_DONE) !=
+		    rt2x00queue_get_entry(queue, Q_INDEX_DONE))
+			return true;
+	}
+	return false;
+}
+
+static inline bool rt2800usb_entry_txstatus_timeout(struct queue_entry *entry)
+{
+	bool tout;
+
+	if (!test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))
+		return false;
+
+	tout = time_after(jiffies, entry->last_action + msecs_to_jiffies(100));
+	if (unlikely(tout))
+		rt2x00_dbg(entry->queue->rt2x00dev,
+			   "TX status timeout for entry %d in queue %d\n",
+			   entry->entry_idx, entry->queue->qid);
+	return tout;
+
+}
+
+static bool rt2800usb_txstatus_timeout(struct rt2x00_dev *rt2x00dev)
+{
+	struct data_queue *queue;
+	struct queue_entry *entry;
+
+	tx_queue_for_each(rt2x00dev, queue) {
+		entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
+		if (rt2800usb_entry_txstatus_timeout(entry))
+			return true;
+	}
+	return false;
+}
+
+#define TXSTATUS_READ_INTERVAL 1000000
+
+static bool rt2800usb_tx_sta_fifo_read_completed(struct rt2x00_dev *rt2x00dev,
+						 int urb_status, u32 tx_status)
+{
+	bool valid;
+
+	if (urb_status) {
+		rt2x00_warn(rt2x00dev, "TX status read failed %d\n",
+			    urb_status);
+
+		goto stop_reading;
+	}
+
+	valid = rt2x00_get_field32(tx_status, TX_STA_FIFO_VALID);
+	if (valid) {
+		if (!kfifo_put(&rt2x00dev->txstatus_fifo, tx_status))
+			rt2x00_warn(rt2x00dev, "TX status FIFO overrun\n");
+
+		queue_work(rt2x00dev->workqueue, &rt2x00dev->txdone_work);
+
+		/* Reschedule urb to read TX status again instantly */
+		return true;
+	}
+
+	/* Check if there is any entry that timedout waiting on TX status */
+	if (rt2800usb_txstatus_timeout(rt2x00dev))
+		queue_work(rt2x00dev->workqueue, &rt2x00dev->txdone_work);
+
+	if (rt2800usb_txstatus_pending(rt2x00dev)) {
+		/* Read register after 1 ms */
+		hrtimer_start(&rt2x00dev->txstatus_timer,
+			      ktime_set(0, TXSTATUS_READ_INTERVAL),
+			      HRTIMER_MODE_REL);
+		return false;
+	}
+
+stop_reading:
+	clear_bit(TX_STATUS_READING, &rt2x00dev->flags);
+	/*
+	 * There is small race window above, between txstatus pending check and
+	 * clear_bit someone could do rt2x00usb_interrupt_txdone, so recheck
+	 * here again if status reading is needed.
+	 */
+	if (rt2800usb_txstatus_pending(rt2x00dev) &&
+	    !test_and_set_bit(TX_STATUS_READING, &rt2x00dev->flags))
+		return true;
+	else
+		return false;
+}
+
+static void rt2800usb_async_read_tx_status(struct rt2x00_dev *rt2x00dev)
+{
+
+	if (test_and_set_bit(TX_STATUS_READING, &rt2x00dev->flags))
+		return;
+
+	/* Read TX_STA_FIFO register after 2 ms */
+	hrtimer_start(&rt2x00dev->txstatus_timer,
+		      ktime_set(0, 2*TXSTATUS_READ_INTERVAL),
+		      HRTIMER_MODE_REL);
+}
+
+static void rt2800usb_tx_dma_done(struct queue_entry *entry)
+{
+	struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
+
+	rt2800usb_async_read_tx_status(rt2x00dev);
+}
+
+static enum hrtimer_restart rt2800usb_tx_sta_fifo_timeout(struct hrtimer *timer)
+{
+	struct rt2x00_dev *rt2x00dev =
+	    container_of(timer, struct rt2x00_dev, txstatus_timer);
+
+	rt2x00usb_register_read_async(rt2x00dev, TX_STA_FIFO,
+				      rt2800usb_tx_sta_fifo_read_completed);
+
+	return HRTIMER_NORESTART;
+}
+
+/*
+ * Firmware functions
+ */
+static int rt2800usb_autorun_detect(struct rt2x00_dev *rt2x00dev)
+{
+	__le32 *reg;
+	u32 fw_mode;
+	int ret;
+
+	reg = kmalloc(sizeof(*reg), GFP_KERNEL);
+	if (reg == NULL)
+		return -ENOMEM;
+	/* cannot use rt2x00usb_register_read here as it uses different
+	 * mode (MULTI_READ vs. DEVICE_MODE) and does not pass the
+	 * magic value USB_MODE_AUTORUN (0x11) to the device, thus the
+	 * returned value would be invalid.
+	 */
+	ret = rt2x00usb_vendor_request(rt2x00dev, USB_DEVICE_MODE,
+				       USB_VENDOR_REQUEST_IN, 0,
+				       USB_MODE_AUTORUN, reg, sizeof(*reg),
+				       REGISTER_TIMEOUT_FIRMWARE);
+	fw_mode = le32_to_cpu(*reg);
+	kfree(reg);
+	if (ret < 0)
+		return ret;
+
+	if ((fw_mode & 0x00000003) == 2)
+		return 1;
+
+	return 0;
+}
+
+static char *rt2800usb_get_firmware_name(struct rt2x00_dev *rt2x00dev)
+{
+	return FIRMWARE_RT2870;
+}
+
+static int rt2800usb_write_firmware(struct rt2x00_dev *rt2x00dev,
+				    const u8 *data, const size_t len)
+{
+	int status;
+	u32 offset;
+	u32 length;
+	int retval;
+
+	/*
+	 * Check which section of the firmware we need.
+	 */
+	if (rt2x00_rt(rt2x00dev, RT2860) ||
+	    rt2x00_rt(rt2x00dev, RT2872) ||
+	    rt2x00_rt(rt2x00dev, RT3070)) {
+		offset = 0;
+		length = 4096;
+	} else {
+		offset = 4096;
+		length = 4096;
+	}
+
+	/*
+	 * Write firmware to device.
+	 */
+	retval = rt2800usb_autorun_detect(rt2x00dev);
+	if (retval < 0)
+		return retval;
+	if (retval) {
+		rt2x00_info(rt2x00dev,
+			    "Firmware loading not required - NIC in AutoRun mode\n");
+		__clear_bit(REQUIRE_FIRMWARE, &rt2x00dev->cap_flags);
+	} else {
+		rt2x00usb_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE,
+					      data + offset, 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) {
+		rt2x00_err(rt2x00dev, "Failed to write Firmware to device\n");
+		return status;
+	}
+
+	msleep(10);
+	rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
+
+	return 0;
+}
+
+/*
+ * Device state switch handlers.
+ */
+static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
+{
+	u32 reg;
+
+	/*
+	 * Wait until BBP and RF are ready.
+	 */
+	if (rt2800_wait_csr_ready(rt2x00dev))
+		return -EBUSY;
+
+	rt2x00usb_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
+	rt2x00usb_register_write(rt2x00dev, PBF_SYS_CTRL, reg & ~0x00002000);
+
+	reg = 0;
+	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);
+
+	return 0;
+}
+
+static int rt2800usb_enable_radio(struct rt2x00_dev *rt2x00dev)
+{
+	u32 reg;
+
+	if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev)))
+		return -EIO;
+
+	rt2x00usb_register_read(rt2x00dev, USB_DMA_CFG, &reg);
+	rt2x00_set_field32(&reg, USB_DMA_CFG_PHY_CLEAR, 0);
+	rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_EN, 0);
+	rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_TIMEOUT, 128);
+	/*
+	 * Total room for RX frames in kilobytes, PBF might still exceed
+	 * this limit so reduce the number to prevent errors.
+	 */
+	rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_LIMIT,
+			   ((rt2x00dev->rx->limit * DATA_FRAME_SIZE)
+			    / 1024) - 3);
+	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);
+
+	return rt2800_enable_radio(rt2x00dev);
+}
+
+static void rt2800usb_disable_radio(struct rt2x00_dev *rt2x00dev)
+{
+	rt2800_disable_radio(rt2x00dev);
+}
+
+static int rt2800usb_set_state(struct rt2x00_dev *rt2x00dev,
+			       enum dev_state state)
+{
+	if (state == STATE_AWAKE)
+		rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, 0xff, 0, 2);
+	else
+		rt2800_mcu_request(rt2x00dev, MCU_SLEEP, 0xff, 0xff, 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 then 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 disabled, the device should
+		 * be put to sleep for powersaving.
+		 */
+		rt2800usb_disable_radio(rt2x00dev);
+		rt2800usb_set_state(rt2x00dev, STATE_SLEEP);
+		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))
+		rt2x00_err(rt2x00dev, "Device failed to enter state %d (%d)\n",
+			   state, retval);
+
+	return retval;
+}
+
+/*
+ * Watchdog handlers
+ */
+static void rt2800usb_watchdog(struct rt2x00_dev *rt2x00dev)
+{
+	unsigned int i;
+	u32 reg;
+
+	rt2x00usb_register_read(rt2x00dev, TXRXQ_PCNT, &reg);
+	if (rt2x00_get_field32(reg, TXRXQ_PCNT_TX0Q)) {
+		rt2x00_warn(rt2x00dev, "TX HW queue 0 timed out, invoke forced kick\n");
+
+		rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40012);
+
+		for (i = 0; i < 10; i++) {
+			udelay(10);
+			if (!rt2x00_get_field32(reg, TXRXQ_PCNT_TX0Q))
+				break;
+		}
+
+		rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40006);
+	}
+
+	rt2x00usb_register_read(rt2x00dev, TXRXQ_PCNT, &reg);
+	if (rt2x00_get_field32(reg, TXRXQ_PCNT_TX1Q)) {
+		rt2x00_warn(rt2x00dev, "TX HW queue 1 timed out, invoke forced kick\n");
+
+		rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf4000a);
+
+		for (i = 0; i < 10; i++) {
+			udelay(10);
+			if (!rt2x00_get_field32(reg, TXRXQ_PCNT_TX1Q))
+				break;
+		}
+
+		rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40006);
+	}
+
+	rt2x00usb_watchdog(rt2x00dev);
+}
+
+/*
+ * TX descriptor initialization
+ */
+static __le32 *rt2800usb_get_txwi(struct queue_entry *entry)
+{
+	if (entry->queue->qid == QID_BEACON)
+		return (__le32 *) (entry->skb->data);
+	else
+		return (__le32 *) (entry->skb->data + TXINFO_DESC_SIZE);
+}
+
+static void rt2800usb_write_tx_desc(struct queue_entry *entry,
+				    struct txentry_desc *txdesc)
+{
+	struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
+	__le32 *txi = (__le32 *) entry->skb->data;
+	u32 word;
+
+	/*
+	 * Initialize TXINFO descriptor
+	 */
+	rt2x00_desc_read(txi, 0, &word);
+
+	/*
+	 * The size of TXINFO_W0_USB_DMA_TX_PKT_LEN is
+	 * TXWI + 802.11 header + L2 pad + payload + pad,
+	 * so need to decrease size of TXINFO.
+	 */
+	rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_PKT_LEN,
+			   roundup(entry->skb->len, 4) - TXINFO_DESC_SIZE);
+	rt2x00_set_field32(&word, TXINFO_W0_WIV,
+			   !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags));
+	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);
+
+	/*
+	 * Register descriptor details in skb frame descriptor.
+	 */
+	skbdesc->flags |= SKBDESC_DESC_IN_SKB;
+	skbdesc->desc = txi;
+	skbdesc->desc_len = TXINFO_DESC_SIZE + entry->queue->winfo_size;
+}
+
+/*
+ * TX data initialization
+ */
+static int rt2800usb_get_tx_data_len(struct queue_entry *entry)
+{
+	/*
+	 * pad(1~3 bytes) is needed after each 802.11 payload.
+	 * USB end pad(4 bytes) is needed at each USB bulk out packet end.
+	 * TX frame format is :
+	 * | TXINFO | TXWI | 802.11 header | L2 pad | payload | pad | USB end pad |
+	 *                 |<------------- tx_pkt_len ------------->|
+	 */
+
+	return roundup(entry->skb->len, 4) + 4;
+}
+
+/*
+ * TX control handlers
+ */
+static enum txdone_entry_desc_flags
+rt2800usb_txdone_entry_check(struct queue_entry *entry, u32 reg)
+{
+	__le32 *txwi;
+	u32 word;
+	int wcid, ack, pid;
+	int tx_wcid, tx_ack, tx_pid, is_agg;
+
+	/*
+	 * This frames has returned with an IO error,
+	 * so the status report is not intended for this
+	 * frame.
+	 */
+	if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags))
+		return TXDONE_FAILURE;
+
+	wcid	= rt2x00_get_field32(reg, TX_STA_FIFO_WCID);
+	ack	= rt2x00_get_field32(reg, TX_STA_FIFO_TX_ACK_REQUIRED);
+	pid	= rt2x00_get_field32(reg, TX_STA_FIFO_PID_TYPE);
+	is_agg	= rt2x00_get_field32(reg, TX_STA_FIFO_TX_AGGRE);
+
+	/*
+	 * Validate if this TX status report is intended for
+	 * this entry by comparing the WCID/ACK/PID fields.
+	 */
+	txwi = rt2800usb_get_txwi(entry);
+
+	rt2x00_desc_read(txwi, 1, &word);
+	tx_wcid = rt2x00_get_field32(word, TXWI_W1_WIRELESS_CLI_ID);
+	tx_ack  = rt2x00_get_field32(word, TXWI_W1_ACK);
+	tx_pid  = rt2x00_get_field32(word, TXWI_W1_PACKETID);
+
+	if (wcid != tx_wcid || ack != tx_ack || (!is_agg && pid != tx_pid)) {
+		rt2x00_dbg(entry->queue->rt2x00dev,
+			   "TX status report missed for queue %d entry %d\n",
+			   entry->queue->qid, entry->entry_idx);
+		return TXDONE_UNKNOWN;
+	}
+
+	return TXDONE_SUCCESS;
+}
+
+static void rt2800usb_txdone(struct rt2x00_dev *rt2x00dev)
+{
+	struct data_queue *queue;
+	struct queue_entry *entry;
+	u32 reg;
+	u8 qid;
+	enum txdone_entry_desc_flags done_status;
+
+	while (kfifo_get(&rt2x00dev->txstatus_fifo, &reg)) {
+		/*
+		 * TX_STA_FIFO_PID_QUEUE is a 2-bit field, thus qid is
+		 * guaranteed to be one of the TX QIDs .
+		 */
+		qid = rt2x00_get_field32(reg, TX_STA_FIFO_PID_QUEUE);
+		queue = rt2x00queue_get_tx_queue(rt2x00dev, qid);
+
+		if (unlikely(rt2x00queue_empty(queue))) {
+			rt2x00_dbg(rt2x00dev, "Got TX status for an empty queue %u, dropping\n",
+				   qid);
+			break;
+		}
+
+		entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
+
+		if (unlikely(test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags) ||
+			     !test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))) {
+			rt2x00_warn(rt2x00dev, "Data pending for entry %u in queue %u\n",
+				    entry->entry_idx, qid);
+			break;
+		}
+
+		done_status = rt2800usb_txdone_entry_check(entry, reg);
+		if (likely(done_status == TXDONE_SUCCESS))
+			rt2800_txdone_entry(entry, reg, rt2800usb_get_txwi(entry));
+		else
+			rt2x00lib_txdone_noinfo(entry, done_status);
+	}
+}
+
+static void rt2800usb_txdone_nostatus(struct rt2x00_dev *rt2x00dev)
+{
+	struct data_queue *queue;
+	struct queue_entry *entry;
+
+	/*
+	 * Process any trailing TX status reports for IO failures,
+	 * we loop until we find the first non-IO error entry. This
+	 * can either be a frame which is free, is being uploaded,
+	 * or has completed the upload but didn't have an entry
+	 * in the TX_STAT_FIFO register yet.
+	 */
+	tx_queue_for_each(rt2x00dev, queue) {
+		while (!rt2x00queue_empty(queue)) {
+			entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
+
+			if (test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags) ||
+			    !test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))
+				break;
+
+			if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags))
+				rt2x00lib_txdone_noinfo(entry, TXDONE_FAILURE);
+			else if (rt2800usb_entry_txstatus_timeout(entry))
+				rt2x00lib_txdone_noinfo(entry, TXDONE_UNKNOWN);
+			else
+				break;
+		}
+	}
+}
+
+static void rt2800usb_work_txdone(struct work_struct *work)
+{
+	struct rt2x00_dev *rt2x00dev =
+	    container_of(work, struct rt2x00_dev, txdone_work);
+
+	while (!kfifo_is_empty(&rt2x00dev->txstatus_fifo) ||
+	       rt2800usb_txstatus_timeout(rt2x00dev)) {
+
+		rt2800usb_txdone(rt2x00dev);
+
+		rt2800usb_txdone_nostatus(rt2x00dev);
+
+		/*
+		 * The hw may delay sending the packet after DMA complete
+		 * if the medium is busy, thus the TX_STA_FIFO entry is
+		 * also delayed -> use a timer to retrieve it.
+		 */
+		if (rt2800usb_txstatus_pending(rt2x00dev))
+			rt2800usb_async_read_tx_status(rt2x00dev);
+	}
+}
+
+/*
+ * RX control handlers
+ */
+static void rt2800usb_fill_rxdone(struct queue_entry *entry,
+				  struct rxdone_entry_desc *rxdesc)
+{
+	struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
+	__le32 *rxi = (__le32 *)entry->skb->data;
+	__le32 *rxd;
+	u32 word;
+	int rx_pkt_len;
+
+	/*
+	 * Copy descriptor to the skbdesc->desc buffer, making it safe from
+	 * moving of frame data in rt2x00usb.
+	 */
+	memcpy(skbdesc->desc, rxi, skbdesc->desc_len);
+
+	/*
+	 * RX frame format is :
+	 * | RXINFO | RXWI | header | L2 pad | payload | pad | RXD | USB pad |
+	 *          |<------------ rx_pkt_len -------------->|
+	 */
+	rt2x00_desc_read(rxi, 0, &word);
+	rx_pkt_len = rt2x00_get_field32(word, RXINFO_W0_USB_DMA_RX_PKT_LEN);
+
+	/*
+	 * Remove the RXINFO structure from the sbk.
+	 */
+	skb_pull(entry->skb, RXINFO_DESC_SIZE);
+
+	/*
+	 * Check for rx_pkt_len validity. Return if invalid, leaving
+	 * rxdesc->size zeroed out by the upper level.
+	 */
+	if (unlikely(rx_pkt_len == 0 ||
+			rx_pkt_len > entry->queue->data_size)) {
+		rt2x00_err(entry->queue->rt2x00dev,
+			   "Bad frame size %d, forcing to 0\n", rx_pkt_len);
+		return;
+	}
+
+	rxd = (__le32 *)(entry->skb->data + rx_pkt_len);
+
+	/*
+	 * It is now safe to read the descriptor on all architectures.
+	 */
+	rt2x00_desc_read(rxd, 0, &word);
+
+	if (rt2x00_get_field32(word, RXD_W0_CRC_ERROR))
+		rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
+
+	rxdesc->cipher_status = rt2x00_get_field32(word, RXD_W0_CIPHER_ERROR);
+
+	if (rt2x00_get_field32(word, 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;
+
+		/*
+		 * The hardware has already checked the Michael Mic and has
+		 * stripped it from the frame. Signal this to mac80211.
+		 */
+		rxdesc->flags |= RX_FLAG_MMIC_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(word, RXD_W0_MY_BSS))
+		rxdesc->dev_flags |= RXDONE_MY_BSS;
+
+	if (rt2x00_get_field32(word, RXD_W0_L2PAD))
+		rxdesc->dev_flags |= RXDONE_L2PAD;
+
+	/*
+	 * Remove RXD descriptor from end of buffer.
+	 */
+	skb_trim(entry->skb, rx_pkt_len);
+
+	/*
+	 * Process the RXWI structure.
+	 */
+	rt2800_process_rxwi(entry, rxdesc);
+}
+
+/*
+ * Device probe functions.
+ */
+static int rt2800usb_efuse_detect(struct rt2x00_dev *rt2x00dev)
+{
+	int retval;
+
+	retval = rt2800usb_autorun_detect(rt2x00dev);
+	if (retval < 0)
+		return retval;
+	if (retval)
+		return 1;
+	return rt2800_efuse_detect(rt2x00dev);
+}
+
+static int rt2800usb_read_eeprom(struct rt2x00_dev *rt2x00dev)
+{
+	int retval;
+
+	retval = rt2800usb_efuse_detect(rt2x00dev);
+	if (retval < 0)
+		return retval;
+	if (retval)
+		retval = rt2800_read_eeprom_efuse(rt2x00dev);
+	else
+		retval = rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom,
+					       EEPROM_SIZE);
+
+	return retval;
+}
+
+static int rt2800usb_probe_hw(struct rt2x00_dev *rt2x00dev)
+{
+	int retval;
+
+	retval = rt2800_probe_hw(rt2x00dev);
+	if (retval)
+		return retval;
+
+	/*
+	 * Set txstatus timer function.
+	 */
+	rt2x00dev->txstatus_timer.function = rt2800usb_tx_sta_fifo_timeout;
+
+	/*
+	 * Overwrite TX done handler
+	 */
+	INIT_WORK(&rt2x00dev->txdone_work, rt2800usb_work_txdone);
+
+	return 0;
+}
+
+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,
+	.configure_filter	= rt2x00mac_configure_filter,
+	.set_tim		= rt2x00mac_set_tim,
+	.set_key		= rt2x00mac_set_key,
+	.sw_scan_start		= rt2x00mac_sw_scan_start,
+	.sw_scan_complete	= rt2x00mac_sw_scan_complete,
+	.get_stats		= rt2x00mac_get_stats,
+	.get_tkip_seq		= rt2800_get_tkip_seq,
+	.set_rts_threshold	= rt2800_set_rts_threshold,
+	.sta_add		= rt2x00mac_sta_add,
+	.sta_remove		= rt2x00mac_sta_remove,
+	.bss_info_changed	= rt2x00mac_bss_info_changed,
+	.conf_tx		= rt2800_conf_tx,
+	.get_tsf		= rt2800_get_tsf,
+	.rfkill_poll		= rt2x00mac_rfkill_poll,
+	.ampdu_action		= rt2800_ampdu_action,
+	.flush			= rt2x00mac_flush,
+	.get_survey		= rt2800_get_survey,
+	.get_ringparam		= rt2x00mac_get_ringparam,
+	.tx_frames_pending	= rt2x00mac_tx_frames_pending,
+};
+
+static const struct rt2800_ops rt2800usb_rt2800_ops = {
+	.register_read		= rt2x00usb_register_read,
+	.register_read_lock	= rt2x00usb_register_read_lock,
+	.register_write		= rt2x00usb_register_write,
+	.register_write_lock	= rt2x00usb_register_write_lock,
+	.register_multiread	= rt2x00usb_register_multiread,
+	.register_multiwrite	= rt2x00usb_register_multiwrite,
+	.regbusy_read		= rt2x00usb_regbusy_read,
+	.read_eeprom		= rt2800usb_read_eeprom,
+	.hwcrypt_disabled	= rt2800usb_hwcrypt_disabled,
+	.drv_write_firmware	= rt2800usb_write_firmware,
+	.drv_init_registers	= rt2800usb_init_registers,
+	.drv_get_txwi		= rt2800usb_get_txwi,
+};
+
+static const struct rt2x00lib_ops rt2800usb_rt2x00_ops = {
+	.probe_hw		= rt2800usb_probe_hw,
+	.get_firmware_name	= rt2800usb_get_firmware_name,
+	.check_firmware		= rt2800_check_firmware,
+	.load_firmware		= rt2800_load_firmware,
+	.initialize		= rt2x00usb_initialize,
+	.uninitialize		= rt2x00usb_uninitialize,
+	.clear_entry		= rt2x00usb_clear_entry,
+	.set_device_state	= rt2800usb_set_device_state,
+	.rfkill_poll		= rt2800_rfkill_poll,
+	.link_stats		= rt2800_link_stats,
+	.reset_tuner		= rt2800_reset_tuner,
+	.link_tuner		= rt2800_link_tuner,
+	.gain_calibration	= rt2800_gain_calibration,
+	.vco_calibration	= rt2800_vco_calibration,
+	.watchdog		= rt2800usb_watchdog,
+	.start_queue		= rt2800usb_start_queue,
+	.kick_queue		= rt2x00usb_kick_queue,
+	.stop_queue		= rt2800usb_stop_queue,
+	.flush_queue		= rt2x00usb_flush_queue,
+	.tx_dma_done		= rt2800usb_tx_dma_done,
+	.write_tx_desc		= rt2800usb_write_tx_desc,
+	.write_tx_data		= rt2800_write_tx_data,
+	.write_beacon		= rt2800_write_beacon,
+	.clear_beacon		= rt2800_clear_beacon,
+	.get_tx_data_len	= rt2800usb_get_tx_data_len,
+	.fill_rxdone		= rt2800usb_fill_rxdone,
+	.config_shared_key	= rt2800_config_shared_key,
+	.config_pairwise_key	= rt2800_config_pairwise_key,
+	.config_filter		= rt2800_config_filter,
+	.config_intf		= rt2800_config_intf,
+	.config_erp		= rt2800_config_erp,
+	.config_ant		= rt2800_config_ant,
+	.config			= rt2800_config,
+	.sta_add		= rt2800_sta_add,
+	.sta_remove		= rt2800_sta_remove,
+};
+
+static void rt2800usb_queue_init(struct data_queue *queue)
+{
+	struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
+	unsigned short txwi_size, rxwi_size;
+
+	rt2800_get_txwi_rxwi_size(rt2x00dev, &txwi_size, &rxwi_size);
+
+	switch (queue->qid) {
+	case QID_RX:
+		queue->limit = 128;
+		queue->data_size = AGGREGATION_SIZE;
+		queue->desc_size = RXINFO_DESC_SIZE;
+		queue->winfo_size = rxwi_size;
+		queue->priv_size = sizeof(struct queue_entry_priv_usb);
+		break;
+
+	case QID_AC_VO:
+	case QID_AC_VI:
+	case QID_AC_BE:
+	case QID_AC_BK:
+		queue->limit = 16;
+		queue->data_size = AGGREGATION_SIZE;
+		queue->desc_size = TXINFO_DESC_SIZE;
+		queue->winfo_size = txwi_size;
+		queue->priv_size = sizeof(struct queue_entry_priv_usb);
+		break;
+
+	case QID_BEACON:
+		queue->limit = 8;
+		queue->data_size = MGMT_FRAME_SIZE;
+		queue->desc_size = TXINFO_DESC_SIZE;
+		queue->winfo_size = txwi_size;
+		queue->priv_size = sizeof(struct queue_entry_priv_usb);
+		break;
+
+	case QID_ATIM:
+		/* fallthrough */
+	default:
+		BUG();
+		break;
+	}
+}
+
+static const struct rt2x00_ops rt2800usb_ops = {
+	.name			= KBUILD_MODNAME,
+	.drv_data_size		= sizeof(struct rt2800_drv_data),
+	.max_ap_intf		= 8,
+	.eeprom_size		= EEPROM_SIZE,
+	.rf_size		= RF_SIZE,
+	.tx_queues		= NUM_TX_QUEUES,
+	.queue_init		= rt2800usb_queue_init,
+	.lib			= &rt2800usb_rt2x00_ops,
+	.drv			= &rt2800usb_rt2800_ops,
+	.hw			= &rt2800usb_mac80211_ops,
+#ifdef CONFIG_RT2X00_LIB_DEBUGFS
+	.debugfs		= &rt2800_rt2x00debug,
+#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
+};
+
+/*
+ * rt2800usb module information.
+ */
+static struct usb_device_id rt2800usb_device_table[] = {
+	/* Abocom */
+	{ USB_DEVICE(0x07b8, 0x2870) },
+	{ USB_DEVICE(0x07b8, 0x2770) },
+	{ USB_DEVICE(0x07b8, 0x3070) },
+	{ USB_DEVICE(0x07b8, 0x3071) },
+	{ USB_DEVICE(0x07b8, 0x3072) },
+	{ USB_DEVICE(0x1482, 0x3c09) },
+	/* AirTies */
+	{ USB_DEVICE(0x1eda, 0x2012) },
+	{ USB_DEVICE(0x1eda, 0x2210) },
+	{ USB_DEVICE(0x1eda, 0x2310) },
+	/* Allwin */
+	{ USB_DEVICE(0x8516, 0x2070) },
+	{ USB_DEVICE(0x8516, 0x2770) },
+	{ USB_DEVICE(0x8516, 0x2870) },
+	{ USB_DEVICE(0x8516, 0x3070) },
+	{ USB_DEVICE(0x8516, 0x3071) },
+	{ USB_DEVICE(0x8516, 0x3072) },
+	/* Alpha Networks */
+	{ USB_DEVICE(0x14b2, 0x3c06) },
+	{ USB_DEVICE(0x14b2, 0x3c07) },
+	{ USB_DEVICE(0x14b2, 0x3c09) },
+	{ USB_DEVICE(0x14b2, 0x3c12) },
+	{ USB_DEVICE(0x14b2, 0x3c23) },
+	{ USB_DEVICE(0x14b2, 0x3c25) },
+	{ USB_DEVICE(0x14b2, 0x3c27) },
+	{ USB_DEVICE(0x14b2, 0x3c28) },
+	{ USB_DEVICE(0x14b2, 0x3c2c) },
+	/* Amit */
+	{ USB_DEVICE(0x15c5, 0x0008) },
+	/* Askey */
+	{ USB_DEVICE(0x1690, 0x0740) },
+	/* ASUS */
+	{ USB_DEVICE(0x0b05, 0x1731) },
+	{ USB_DEVICE(0x0b05, 0x1732) },
+	{ USB_DEVICE(0x0b05, 0x1742) },
+	{ USB_DEVICE(0x0b05, 0x1784) },
+	{ USB_DEVICE(0x1761, 0x0b05) },
+	/* AzureWave */
+	{ USB_DEVICE(0x13d3, 0x3247) },
+	{ USB_DEVICE(0x13d3, 0x3273) },
+	{ USB_DEVICE(0x13d3, 0x3305) },
+	{ USB_DEVICE(0x13d3, 0x3307) },
+	{ USB_DEVICE(0x13d3, 0x3321) },
+	/* Belkin */
+	{ USB_DEVICE(0x050d, 0x8053) },
+	{ USB_DEVICE(0x050d, 0x805c) },
+	{ USB_DEVICE(0x050d, 0x815c) },
+	{ USB_DEVICE(0x050d, 0x825a) },
+	{ USB_DEVICE(0x050d, 0x825b) },
+	{ USB_DEVICE(0x050d, 0x935a) },
+	{ USB_DEVICE(0x050d, 0x935b) },
+	/* Buffalo */
+	{ USB_DEVICE(0x0411, 0x00e8) },
+	{ USB_DEVICE(0x0411, 0x0158) },
+	{ USB_DEVICE(0x0411, 0x015d) },
+	{ USB_DEVICE(0x0411, 0x016f) },
+	{ USB_DEVICE(0x0411, 0x01a2) },
+	{ USB_DEVICE(0x0411, 0x01ee) },
+	{ USB_DEVICE(0x0411, 0x01a8) },
+	/* Corega */
+	{ USB_DEVICE(0x07aa, 0x002f) },
+	{ USB_DEVICE(0x07aa, 0x003c) },
+	{ USB_DEVICE(0x07aa, 0x003f) },
+	{ USB_DEVICE(0x18c5, 0x0012) },
+	/* D-Link */
+	{ USB_DEVICE(0x07d1, 0x3c09) },
+	{ USB_DEVICE(0x07d1, 0x3c0a) },
+	{ USB_DEVICE(0x07d1, 0x3c0d) },
+	{ USB_DEVICE(0x07d1, 0x3c0e) },
+	{ USB_DEVICE(0x07d1, 0x3c0f) },
+	{ USB_DEVICE(0x07d1, 0x3c11) },
+	{ USB_DEVICE(0x07d1, 0x3c13) },
+	{ USB_DEVICE(0x07d1, 0x3c15) },
+	{ USB_DEVICE(0x07d1, 0x3c16) },
+	{ USB_DEVICE(0x07d1, 0x3c17) },
+	{ USB_DEVICE(0x2001, 0x3317) },
+	{ USB_DEVICE(0x2001, 0x3c1b) },
+	{ USB_DEVICE(0x2001, 0x3c25) },
+	/* Draytek */
+	{ USB_DEVICE(0x07fa, 0x7712) },
+	/* DVICO */
+	{ USB_DEVICE(0x0fe9, 0xb307) },
+	/* Edimax */
+	{ USB_DEVICE(0x7392, 0x4085) },
+	{ USB_DEVICE(0x7392, 0x7711) },
+	{ USB_DEVICE(0x7392, 0x7717) },
+	{ USB_DEVICE(0x7392, 0x7718) },
+	{ USB_DEVICE(0x7392, 0x7722) },
+	/* Encore */
+	{ USB_DEVICE(0x203d, 0x1480) },
+	{ USB_DEVICE(0x203d, 0x14a9) },
+	/* EnGenius */
+	{ USB_DEVICE(0x1740, 0x9701) },
+	{ USB_DEVICE(0x1740, 0x9702) },
+	{ USB_DEVICE(0x1740, 0x9703) },
+	{ USB_DEVICE(0x1740, 0x9705) },
+	{ USB_DEVICE(0x1740, 0x9706) },
+	{ USB_DEVICE(0x1740, 0x9707) },
+	{ USB_DEVICE(0x1740, 0x9708) },
+	{ USB_DEVICE(0x1740, 0x9709) },
+	/* Gemtek */
+	{ USB_DEVICE(0x15a9, 0x0012) },
+	/* Gigabyte */
+	{ USB_DEVICE(0x1044, 0x800b) },
+	{ USB_DEVICE(0x1044, 0x800d) },
+	/* Hawking */
+	{ USB_DEVICE(0x0e66, 0x0001) },
+	{ USB_DEVICE(0x0e66, 0x0003) },
+	{ USB_DEVICE(0x0e66, 0x0009) },
+	{ USB_DEVICE(0x0e66, 0x000b) },
+	{ USB_DEVICE(0x0e66, 0x0013) },
+	{ USB_DEVICE(0x0e66, 0x0017) },
+	{ USB_DEVICE(0x0e66, 0x0018) },
+	/* I-O DATA */
+	{ USB_DEVICE(0x04bb, 0x0945) },
+	{ USB_DEVICE(0x04bb, 0x0947) },
+	{ USB_DEVICE(0x04bb, 0x0948) },
+	/* Linksys */
+	{ USB_DEVICE(0x13b1, 0x0031) },
+	{ USB_DEVICE(0x1737, 0x0070) },
+	{ USB_DEVICE(0x1737, 0x0071) },
+	{ USB_DEVICE(0x1737, 0x0077) },
+	{ USB_DEVICE(0x1737, 0x0078) },
+	/* Logitec */
+	{ USB_DEVICE(0x0789, 0x0162) },
+	{ USB_DEVICE(0x0789, 0x0163) },
+	{ USB_DEVICE(0x0789, 0x0164) },
+	{ USB_DEVICE(0x0789, 0x0166) },
+	/* Motorola */
+	{ USB_DEVICE(0x100d, 0x9031) },
+	/* MSI */
+	{ USB_DEVICE(0x0db0, 0x3820) },
+	{ USB_DEVICE(0x0db0, 0x3821) },
+	{ USB_DEVICE(0x0db0, 0x3822) },
+	{ USB_DEVICE(0x0db0, 0x3870) },
+	{ USB_DEVICE(0x0db0, 0x3871) },
+	{ USB_DEVICE(0x0db0, 0x6899) },
+	{ USB_DEVICE(0x0db0, 0x821a) },
+	{ USB_DEVICE(0x0db0, 0x822a) },
+	{ USB_DEVICE(0x0db0, 0x822b) },
+	{ USB_DEVICE(0x0db0, 0x822c) },
+	{ USB_DEVICE(0x0db0, 0x870a) },
+	{ USB_DEVICE(0x0db0, 0x871a) },
+	{ USB_DEVICE(0x0db0, 0x871b) },
+	{ USB_DEVICE(0x0db0, 0x871c) },
+	{ USB_DEVICE(0x0db0, 0x899a) },
+	/* Ovislink */
+	{ USB_DEVICE(0x1b75, 0x3071) },
+	{ USB_DEVICE(0x1b75, 0x3072) },
+	{ USB_DEVICE(0x1b75, 0xa200) },
+	/* Para */
+	{ USB_DEVICE(0x20b8, 0x8888) },
+	/* Pegatron */
+	{ USB_DEVICE(0x1d4d, 0x0002) },
+	{ USB_DEVICE(0x1d4d, 0x000c) },
+	{ USB_DEVICE(0x1d4d, 0x000e) },
+	{ USB_DEVICE(0x1d4d, 0x0011) },
+	/* Philips */
+	{ USB_DEVICE(0x0471, 0x200f) },
+	/* Planex */
+	{ USB_DEVICE(0x2019, 0x5201) },
+	{ USB_DEVICE(0x2019, 0xab25) },
+	{ USB_DEVICE(0x2019, 0xed06) },
+	/* Quanta */
+	{ USB_DEVICE(0x1a32, 0x0304) },
+	/* Ralink */
+	{ USB_DEVICE(0x148f, 0x2070) },
+	{ USB_DEVICE(0x148f, 0x2770) },
+	{ USB_DEVICE(0x148f, 0x2870) },
+	{ USB_DEVICE(0x148f, 0x3070) },
+	{ USB_DEVICE(0x148f, 0x3071) },
+	{ USB_DEVICE(0x148f, 0x3072) },
+	/* Samsung */
+	{ USB_DEVICE(0x04e8, 0x2018) },
+	/* Siemens */
+	{ USB_DEVICE(0x129b, 0x1828) },
+	/* Sitecom */
+	{ USB_DEVICE(0x0df6, 0x0017) },
+	{ USB_DEVICE(0x0df6, 0x002b) },
+	{ USB_DEVICE(0x0df6, 0x002c) },
+	{ USB_DEVICE(0x0df6, 0x002d) },
+	{ USB_DEVICE(0x0df6, 0x0039) },
+	{ USB_DEVICE(0x0df6, 0x003b) },
+	{ USB_DEVICE(0x0df6, 0x003d) },
+	{ USB_DEVICE(0x0df6, 0x003e) },
+	{ USB_DEVICE(0x0df6, 0x003f) },
+	{ USB_DEVICE(0x0df6, 0x0040) },
+	{ USB_DEVICE(0x0df6, 0x0042) },
+	{ USB_DEVICE(0x0df6, 0x0047) },
+	{ USB_DEVICE(0x0df6, 0x0048) },
+	{ USB_DEVICE(0x0df6, 0x0051) },
+	{ USB_DEVICE(0x0df6, 0x005f) },
+	{ USB_DEVICE(0x0df6, 0x0060) },
+	/* SMC */
+	{ USB_DEVICE(0x083a, 0x6618) },
+	{ USB_DEVICE(0x083a, 0x7511) },
+	{ USB_DEVICE(0x083a, 0x7512) },
+	{ USB_DEVICE(0x083a, 0x7522) },
+	{ USB_DEVICE(0x083a, 0x8522) },
+	{ USB_DEVICE(0x083a, 0xa618) },
+	{ USB_DEVICE(0x083a, 0xa701) },
+	{ USB_DEVICE(0x083a, 0xa702) },
+	{ USB_DEVICE(0x083a, 0xa703) },
+	{ USB_DEVICE(0x083a, 0xb522) },
+	/* Sparklan */
+	{ USB_DEVICE(0x15a9, 0x0006) },
+	/* Sweex */
+	{ USB_DEVICE(0x177f, 0x0153) },
+	{ USB_DEVICE(0x177f, 0x0164) },
+	{ USB_DEVICE(0x177f, 0x0302) },
+	{ USB_DEVICE(0x177f, 0x0313) },
+	{ USB_DEVICE(0x177f, 0x0323) },
+	{ USB_DEVICE(0x177f, 0x0324) },
+	/* U-Media */
+	{ USB_DEVICE(0x157e, 0x300e) },
+	{ USB_DEVICE(0x157e, 0x3013) },
+	/* ZCOM */
+	{ USB_DEVICE(0x0cde, 0x0022) },
+	{ USB_DEVICE(0x0cde, 0x0025) },
+	/* Zinwell */
+	{ USB_DEVICE(0x5a57, 0x0280) },
+	{ USB_DEVICE(0x5a57, 0x0282) },
+	{ USB_DEVICE(0x5a57, 0x0283) },
+	{ USB_DEVICE(0x5a57, 0x5257) },
+	/* Zyxel */
+	{ USB_DEVICE(0x0586, 0x3416) },
+	{ USB_DEVICE(0x0586, 0x3418) },
+	{ USB_DEVICE(0x0586, 0x341a) },
+	{ USB_DEVICE(0x0586, 0x341e) },
+	{ USB_DEVICE(0x0586, 0x343e) },
+#ifdef CONFIG_RT2800USB_RT33XX
+	/* Belkin */
+	{ USB_DEVICE(0x050d, 0x945b) },
+	/* D-Link */
+	{ USB_DEVICE(0x2001, 0x3c17) },
+	/* Panasonic */
+	{ USB_DEVICE(0x083a, 0xb511) },
+	/* Philips */
+	{ USB_DEVICE(0x0471, 0x20dd) },
+	/* Ralink */
+	{ USB_DEVICE(0x148f, 0x3370) },
+	{ USB_DEVICE(0x148f, 0x8070) },
+	/* Sitecom */
+	{ USB_DEVICE(0x0df6, 0x0050) },
+	/* Sweex */
+	{ USB_DEVICE(0x177f, 0x0163) },
+	{ USB_DEVICE(0x177f, 0x0165) },
+#endif
+#ifdef CONFIG_RT2800USB_RT35XX
+	/* Allwin */
+	{ USB_DEVICE(0x8516, 0x3572) },
+	/* Askey */
+	{ USB_DEVICE(0x1690, 0x0744) },
+	{ USB_DEVICE(0x1690, 0x0761) },
+	{ USB_DEVICE(0x1690, 0x0764) },
+	/* ASUS */
+	{ USB_DEVICE(0x0b05, 0x179d) },
+	/* Cisco */
+	{ USB_DEVICE(0x167b, 0x4001) },
+	/* EnGenius */
+	{ USB_DEVICE(0x1740, 0x9801) },
+	/* I-O DATA */
+	{ USB_DEVICE(0x04bb, 0x0944) },
+	/* Linksys */
+	{ USB_DEVICE(0x13b1, 0x002f) },
+	{ USB_DEVICE(0x1737, 0x0079) },
+	/* Logitec */
+	{ USB_DEVICE(0x0789, 0x0170) },
+	/* Ralink */
+	{ USB_DEVICE(0x148f, 0x3572) },
+	/* Sitecom */
+	{ USB_DEVICE(0x0df6, 0x0041) },
+	{ USB_DEVICE(0x0df6, 0x0062) },
+	{ USB_DEVICE(0x0df6, 0x0065) },
+	{ USB_DEVICE(0x0df6, 0x0066) },
+	{ USB_DEVICE(0x0df6, 0x0068) },
+	/* Toshiba */
+	{ USB_DEVICE(0x0930, 0x0a07) },
+	/* Zinwell */
+	{ USB_DEVICE(0x5a57, 0x0284) },
+#endif
+#ifdef CONFIG_RT2800USB_RT3573
+	/* AirLive */
+	{ USB_DEVICE(0x1b75, 0x7733) },
+	/* ASUS */
+	{ USB_DEVICE(0x0b05, 0x17bc) },
+	{ USB_DEVICE(0x0b05, 0x17ad) },
+	/* Belkin */
+	{ USB_DEVICE(0x050d, 0x1103) },
+	/* Cameo */
+	{ USB_DEVICE(0x148f, 0xf301) },
+	/* D-Link */
+	{ USB_DEVICE(0x2001, 0x3c1f) },
+	/* Edimax */
+	{ USB_DEVICE(0x7392, 0x7733) },
+	/* Hawking */
+	{ USB_DEVICE(0x0e66, 0x0020) },
+	{ USB_DEVICE(0x0e66, 0x0021) },
+	/* I-O DATA */
+	{ USB_DEVICE(0x04bb, 0x094e) },
+	/* Linksys */
+	{ USB_DEVICE(0x13b1, 0x003b) },
+	/* Logitec */
+	{ USB_DEVICE(0x0789, 0x016b) },
+	/* NETGEAR */
+	{ USB_DEVICE(0x0846, 0x9012) },
+	{ USB_DEVICE(0x0846, 0x9013) },
+	{ USB_DEVICE(0x0846, 0x9019) },
+	/* Planex */
+	{ USB_DEVICE(0x2019, 0xed19) },
+	/* Ralink */
+	{ USB_DEVICE(0x148f, 0x3573) },
+	/* Sitecom */
+	{ USB_DEVICE(0x0df6, 0x0067) },
+	{ USB_DEVICE(0x0df6, 0x006a) },
+	{ USB_DEVICE(0x0df6, 0x006e) },
+	/* ZyXEL */
+	{ USB_DEVICE(0x0586, 0x3421) },
+#endif
+#ifdef CONFIG_RT2800USB_RT53XX
+	/* Arcadyan */
+	{ USB_DEVICE(0x043e, 0x7a12) },
+	{ USB_DEVICE(0x043e, 0x7a32) },
+	/* ASUS */
+	{ USB_DEVICE(0x0b05, 0x17e8) },
+	/* Azurewave */
+	{ USB_DEVICE(0x13d3, 0x3329) },
+	{ USB_DEVICE(0x13d3, 0x3365) },
+	/* D-Link */
+	{ USB_DEVICE(0x2001, 0x3c15) },
+	{ USB_DEVICE(0x2001, 0x3c19) },
+	{ USB_DEVICE(0x2001, 0x3c1c) },
+	{ USB_DEVICE(0x2001, 0x3c1d) },
+	{ USB_DEVICE(0x2001, 0x3c1e) },
+	{ USB_DEVICE(0x2001, 0x3c20) },
+	{ USB_DEVICE(0x2001, 0x3c22) },
+	{ USB_DEVICE(0x2001, 0x3c23) },
+	/* LG innotek */
+	{ USB_DEVICE(0x043e, 0x7a22) },
+	{ USB_DEVICE(0x043e, 0x7a42) },
+	/* Panasonic */
+	{ USB_DEVICE(0x04da, 0x1801) },
+	{ USB_DEVICE(0x04da, 0x1800) },
+	{ USB_DEVICE(0x04da, 0x23f6) },
+	/* Philips */
+	{ USB_DEVICE(0x0471, 0x2104) },
+	{ USB_DEVICE(0x0471, 0x2126) },
+	{ USB_DEVICE(0x0471, 0x2180) },
+	{ USB_DEVICE(0x0471, 0x2181) },
+	{ USB_DEVICE(0x0471, 0x2182) },
+	/* Ralink */
+	{ USB_DEVICE(0x148f, 0x5370) },
+	{ USB_DEVICE(0x148f, 0x5372) },
+#endif
+#ifdef CONFIG_RT2800USB_RT55XX
+	/* Arcadyan */
+	{ USB_DEVICE(0x043e, 0x7a32) },
+	/* AVM GmbH */
+	{ USB_DEVICE(0x057c, 0x8501) },
+	/* Buffalo */
+	{ USB_DEVICE(0x0411, 0x0241) },
+	{ USB_DEVICE(0x0411, 0x0253) },
+	/* D-Link */
+	{ USB_DEVICE(0x2001, 0x3c1a) },
+	{ USB_DEVICE(0x2001, 0x3c21) },
+	/* Proware */
+	{ USB_DEVICE(0x043e, 0x7a13) },
+	/* Ralink */
+	{ USB_DEVICE(0x148f, 0x5572) },
+	/* TRENDnet */
+	{ USB_DEVICE(0x20f4, 0x724a) },
+#endif
+#ifdef CONFIG_RT2800USB_UNKNOWN
+	/*
+	 * Unclear what kind of devices these are (they aren't supported by the
+	 * vendor linux driver).
+	 */
+	/* Abocom */
+	{ USB_DEVICE(0x07b8, 0x3073) },
+	{ USB_DEVICE(0x07b8, 0x3074) },
+	/* Alpha Networks */
+	{ USB_DEVICE(0x14b2, 0x3c08) },
+	{ USB_DEVICE(0x14b2, 0x3c11) },
+	/* Amigo */
+	{ USB_DEVICE(0x0e0b, 0x9031) },
+	{ USB_DEVICE(0x0e0b, 0x9041) },
+	/* ASUS */
+	{ USB_DEVICE(0x0b05, 0x166a) },
+	{ USB_DEVICE(0x0b05, 0x1760) },
+	{ USB_DEVICE(0x0b05, 0x1761) },
+	{ USB_DEVICE(0x0b05, 0x1790) },
+	{ USB_DEVICE(0x0b05, 0x17a7) },
+	/* AzureWave */
+	{ USB_DEVICE(0x13d3, 0x3262) },
+	{ USB_DEVICE(0x13d3, 0x3284) },
+	{ USB_DEVICE(0x13d3, 0x3322) },
+	{ USB_DEVICE(0x13d3, 0x3340) },
+	{ USB_DEVICE(0x13d3, 0x3399) },
+	{ USB_DEVICE(0x13d3, 0x3400) },
+	{ USB_DEVICE(0x13d3, 0x3401) },
+	/* Belkin */
+	{ USB_DEVICE(0x050d, 0x1003) },
+	/* Buffalo */
+	{ USB_DEVICE(0x0411, 0x012e) },
+	{ USB_DEVICE(0x0411, 0x0148) },
+	{ USB_DEVICE(0x0411, 0x0150) },
+	/* Corega */
+	{ USB_DEVICE(0x07aa, 0x0041) },
+	{ USB_DEVICE(0x07aa, 0x0042) },
+	{ USB_DEVICE(0x18c5, 0x0008) },
+	/* D-Link */
+	{ USB_DEVICE(0x07d1, 0x3c0b) },
+	/* Encore */
+	{ USB_DEVICE(0x203d, 0x14a1) },
+	/* EnGenius */
+	{ USB_DEVICE(0x1740, 0x0600) },
+	{ USB_DEVICE(0x1740, 0x0602) },
+	/* Gemtek */
+	{ USB_DEVICE(0x15a9, 0x0010) },
+	/* Gigabyte */
+	{ USB_DEVICE(0x1044, 0x800c) },
+	/* Hercules */
+	{ USB_DEVICE(0x06f8, 0xe036) },
+	/* Huawei */
+	{ USB_DEVICE(0x148f, 0xf101) },
+	/* I-O DATA */
+	{ USB_DEVICE(0x04bb, 0x094b) },
+	/* LevelOne */
+	{ USB_DEVICE(0x1740, 0x0605) },
+	{ USB_DEVICE(0x1740, 0x0615) },
+	/* Logitec */
+	{ USB_DEVICE(0x0789, 0x0168) },
+	{ USB_DEVICE(0x0789, 0x0169) },
+	/* Motorola */
+	{ USB_DEVICE(0x100d, 0x9032) },
+	/* Pegatron */
+	{ USB_DEVICE(0x05a6, 0x0101) },
+	{ USB_DEVICE(0x1d4d, 0x0010) },
+	/* Planex */
+	{ USB_DEVICE(0x2019, 0xab24) },
+	{ USB_DEVICE(0x2019, 0xab29) },
+	/* Qcom */
+	{ USB_DEVICE(0x18e8, 0x6259) },
+	/* RadioShack */
+	{ USB_DEVICE(0x08b9, 0x1197) },
+	/* Sitecom */
+	{ USB_DEVICE(0x0df6, 0x003c) },
+	{ USB_DEVICE(0x0df6, 0x004a) },
+	{ USB_DEVICE(0x0df6, 0x004d) },
+	{ USB_DEVICE(0x0df6, 0x0053) },
+	{ USB_DEVICE(0x0df6, 0x0069) },
+	{ USB_DEVICE(0x0df6, 0x006f) },
+	{ USB_DEVICE(0x0df6, 0x0078) },
+	/* SMC */
+	{ USB_DEVICE(0x083a, 0xa512) },
+	{ USB_DEVICE(0x083a, 0xc522) },
+	{ USB_DEVICE(0x083a, 0xd522) },
+	{ USB_DEVICE(0x083a, 0xf511) },
+	/* Sweex */
+	{ USB_DEVICE(0x177f, 0x0254) },
+	/* TP-LINK */
+	{ USB_DEVICE(0xf201, 0x5370) },
+#endif
+	{ 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);
+/*(DEBLOBBED)*/
+MODULE_LICENSE("GPL");
+
+static int rt2800usb_probe(struct usb_interface *usb_intf,
+			   const struct usb_device_id *id)
+{
+	return rt2x00usb_probe(usb_intf, &rt2800usb_ops);
+}
+
+static struct usb_driver rt2800usb_driver = {
+	.name		= KBUILD_MODNAME,
+	.id_table	= rt2800usb_device_table,
+	.probe		= rt2800usb_probe,
+	.disconnect	= rt2x00usb_disconnect,
+	.suspend	= rt2x00usb_suspend,
+	.resume		= rt2x00usb_resume,
+	.reset_resume	= rt2x00usb_resume,
+	.disable_hub_initiated_lpm = 1,
+};
+
+module_usb_driver(rt2800usb_driver);