/*
        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:
                reg = rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL);
                rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 1);
                rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
                break;
        case QID_BEACON:
                reg = rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG);
                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:
                reg = rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL);
                rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
                rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
                break;
        case QID_BEACON:
                reg = rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG);
                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(500));
        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,
                              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,
                      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;

        reg = rt2x00usb_register_read(rt2x00dev, PBF_SYS_CTRL);
        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_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 = 0;

        if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev)))
                return -EIO;

        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;
}

/*
 * 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
         */
        word = rt2x00_desc_read(txi, 0);

        /*
         * 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 bool 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 false;

        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);

        word = rt2x00_desc_read(txwi, 1);
        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 false;
        }

        return true;
}

static void rt2800usb_txdone(struct rt2x00_dev *rt2x00dev)
{
        struct data_queue *queue;
        struct queue_entry *entry;
        u32 reg;
        u8 qid;
        bool match;

        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;
                }

                match = rt2800usb_txdone_entry_check(entry, reg);
                rt2800_txdone_entry(entry, reg, rt2800usb_get_txwi(entry), match);
        }
}

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) ||
                            rt2800usb_entry_txstatus_timeout(entry))
                                rt2x00lib_txdone_noinfo(entry, TXDONE_FAILURE);
                        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 -------------->|
         */
        word = rt2x00_desc_read(rxi, 0);
        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.
         */
        word = rt2x00_desc_read(rxd, 0);

        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) {
                        /*
                         * In order to check the Michael Mic, the packet must have
                         * been decrypted.  Mac80211 doesnt check the MMIC failure 
                         * flag to initiate MMIC countermeasures if the decoded flag
                         * has not been set.
                         */
                        rxdesc->flags |= RX_FLAG_DECRYPTED;

                        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_key_seq            = rt2800_get_key_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,
        .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 const 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) },
        { USB_DEVICE(0x0411, 0x01fd) },
        /* 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, 0x3070) },
        { 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) },
        /* Accton/Arcadyan/Epson */
        { USB_DEVICE(0x083a, 0xb512) },
        /* 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);
MODULE_FIRMWARE(FIRMWARE_RT2870);
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);