linux/drivers/net/wireless/ralink/rt2x00/rt2800usb.c
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   1/*
   2        Copyright (C) 2010 Willow Garage <http://www.willowgarage.com>
   3        Copyright (C) 2009 - 2010 Ivo van Doorn <IvDoorn@gmail.com>
   4        Copyright (C) 2009 Mattias Nissler <mattias.nissler@gmx.de>
   5        Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org>
   6        Copyright (C) 2009 Xose Vazquez Perez <xose.vazquez@gmail.com>
   7        Copyright (C) 2009 Axel Kollhofer <rain_maker@root-forum.org>
   8        <http://rt2x00.serialmonkey.com>
   9
  10        This program is free software; you can redistribute it and/or modify
  11        it under the terms of the GNU General Public License as published by
  12        the Free Software Foundation; either version 2 of the License, or
  13        (at your option) any later version.
  14
  15        This program is distributed in the hope that it will be useful,
  16        but WITHOUT ANY WARRANTY; without even the implied warranty of
  17        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  18        GNU General Public License for more details.
  19
  20        You should have received a copy of the GNU General Public License
  21        along with this program; if not, see <http://www.gnu.org/licenses/>.
  22 */
  23
  24/*
  25        Module: rt2800usb
  26        Abstract: rt2800usb device specific routines.
  27        Supported chipsets: RT2800U.
  28 */
  29
  30#include <linux/delay.h>
  31#include <linux/etherdevice.h>
  32#include <linux/kernel.h>
  33#include <linux/module.h>
  34#include <linux/usb.h>
  35
  36#include "rt2x00.h"
  37#include "rt2x00usb.h"
  38#include "rt2800lib.h"
  39#include "rt2800.h"
  40#include "rt2800usb.h"
  41
  42/*
  43 * Allow hardware encryption to be disabled.
  44 */
  45static bool modparam_nohwcrypt;
  46module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
  47MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
  48
  49static bool rt2800usb_hwcrypt_disabled(struct rt2x00_dev *rt2x00dev)
  50{
  51        return modparam_nohwcrypt;
  52}
  53
  54/*
  55 * Queue handlers.
  56 */
  57static void rt2800usb_start_queue(struct data_queue *queue)
  58{
  59        struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
  60        u32 reg;
  61
  62        switch (queue->qid) {
  63        case QID_RX:
  64                reg = rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL);
  65                rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 1);
  66                rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
  67                break;
  68        case QID_BEACON:
  69                reg = rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG);
  70                rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 1);
  71                rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 1);
  72                rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 1);
  73                rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg);
  74                break;
  75        default:
  76                break;
  77        }
  78}
  79
  80static void rt2800usb_stop_queue(struct data_queue *queue)
  81{
  82        struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
  83        u32 reg;
  84
  85        switch (queue->qid) {
  86        case QID_RX:
  87                reg = rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL);
  88                rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
  89                rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
  90                break;
  91        case QID_BEACON:
  92                reg = rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG);
  93                rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 0);
  94                rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 0);
  95                rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
  96                rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg);
  97                break;
  98        default:
  99                break;
 100        }
 101}
 102
 103/*
 104 * test if there is an entry in any TX queue for which DMA is done
 105 * but the TX status has not been returned yet
 106 */
 107static bool rt2800usb_txstatus_pending(struct rt2x00_dev *rt2x00dev)
 108{
 109        struct data_queue *queue;
 110
 111        tx_queue_for_each(rt2x00dev, queue) {
 112                if (rt2x00queue_get_entry(queue, Q_INDEX_DMA_DONE) !=
 113                    rt2x00queue_get_entry(queue, Q_INDEX_DONE))
 114                        return true;
 115        }
 116        return false;
 117}
 118
 119static inline bool rt2800usb_entry_txstatus_timeout(struct queue_entry *entry)
 120{
 121        bool tout;
 122
 123        if (!test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))
 124                return false;
 125
 126        tout = time_after(jiffies, entry->last_action + msecs_to_jiffies(500));
 127        if (unlikely(tout))
 128                rt2x00_dbg(entry->queue->rt2x00dev,
 129                           "TX status timeout for entry %d in queue %d\n",
 130                           entry->entry_idx, entry->queue->qid);
 131        return tout;
 132
 133}
 134
 135static bool rt2800usb_txstatus_timeout(struct rt2x00_dev *rt2x00dev)
 136{
 137        struct data_queue *queue;
 138        struct queue_entry *entry;
 139
 140        tx_queue_for_each(rt2x00dev, queue) {
 141                entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
 142                if (rt2800usb_entry_txstatus_timeout(entry))
 143                        return true;
 144        }
 145        return false;
 146}
 147
 148#define TXSTATUS_READ_INTERVAL 1000000
 149
 150static bool rt2800usb_tx_sta_fifo_read_completed(struct rt2x00_dev *rt2x00dev,
 151                                                 int urb_status, u32 tx_status)
 152{
 153        bool valid;
 154
 155        if (urb_status) {
 156                rt2x00_warn(rt2x00dev, "TX status read failed %d\n",
 157                            urb_status);
 158
 159                goto stop_reading;
 160        }
 161
 162        valid = rt2x00_get_field32(tx_status, TX_STA_FIFO_VALID);
 163        if (valid) {
 164                if (!kfifo_put(&rt2x00dev->txstatus_fifo, tx_status))
 165                        rt2x00_warn(rt2x00dev, "TX status FIFO overrun\n");
 166
 167                queue_work(rt2x00dev->workqueue, &rt2x00dev->txdone_work);
 168
 169                /* Reschedule urb to read TX status again instantly */
 170                return true;
 171        }
 172
 173        /* Check if there is any entry that timedout waiting on TX status */
 174        if (rt2800usb_txstatus_timeout(rt2x00dev))
 175                queue_work(rt2x00dev->workqueue, &rt2x00dev->txdone_work);
 176
 177        if (rt2800usb_txstatus_pending(rt2x00dev)) {
 178                /* Read register after 1 ms */
 179                hrtimer_start(&rt2x00dev->txstatus_timer,
 180                              TXSTATUS_READ_INTERVAL,
 181                              HRTIMER_MODE_REL);
 182                return false;
 183        }
 184
 185stop_reading:
 186        clear_bit(TX_STATUS_READING, &rt2x00dev->flags);
 187        /*
 188         * There is small race window above, between txstatus pending check and
 189         * clear_bit someone could do rt2x00usb_interrupt_txdone, so recheck
 190         * here again if status reading is needed.
 191         */
 192        if (rt2800usb_txstatus_pending(rt2x00dev) &&
 193            !test_and_set_bit(TX_STATUS_READING, &rt2x00dev->flags))
 194                return true;
 195        else
 196                return false;
 197}
 198
 199static void rt2800usb_async_read_tx_status(struct rt2x00_dev *rt2x00dev)
 200{
 201
 202        if (test_and_set_bit(TX_STATUS_READING, &rt2x00dev->flags))
 203                return;
 204
 205        /* Read TX_STA_FIFO register after 2 ms */
 206        hrtimer_start(&rt2x00dev->txstatus_timer,
 207                      2 * TXSTATUS_READ_INTERVAL,
 208                      HRTIMER_MODE_REL);
 209}
 210
 211static void rt2800usb_tx_dma_done(struct queue_entry *entry)
 212{
 213        struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
 214
 215        rt2800usb_async_read_tx_status(rt2x00dev);
 216}
 217
 218static enum hrtimer_restart rt2800usb_tx_sta_fifo_timeout(struct hrtimer *timer)
 219{
 220        struct rt2x00_dev *rt2x00dev =
 221            container_of(timer, struct rt2x00_dev, txstatus_timer);
 222
 223        rt2x00usb_register_read_async(rt2x00dev, TX_STA_FIFO,
 224                                      rt2800usb_tx_sta_fifo_read_completed);
 225
 226        return HRTIMER_NORESTART;
 227}
 228
 229/*
 230 * Firmware functions
 231 */
 232static int rt2800usb_autorun_detect(struct rt2x00_dev *rt2x00dev)
 233{
 234        __le32 *reg;
 235        u32 fw_mode;
 236        int ret;
 237
 238        reg = kmalloc(sizeof(*reg), GFP_KERNEL);
 239        if (reg == NULL)
 240                return -ENOMEM;
 241        /* cannot use rt2x00usb_register_read here as it uses different
 242         * mode (MULTI_READ vs. DEVICE_MODE) and does not pass the
 243         * magic value USB_MODE_AUTORUN (0x11) to the device, thus the
 244         * returned value would be invalid.
 245         */
 246        ret = rt2x00usb_vendor_request(rt2x00dev, USB_DEVICE_MODE,
 247                                       USB_VENDOR_REQUEST_IN, 0,
 248                                       USB_MODE_AUTORUN, reg, sizeof(*reg),
 249                                       REGISTER_TIMEOUT_FIRMWARE);
 250        fw_mode = le32_to_cpu(*reg);
 251        kfree(reg);
 252        if (ret < 0)
 253                return ret;
 254
 255        if ((fw_mode & 0x00000003) == 2)
 256                return 1;
 257
 258        return 0;
 259}
 260
 261static char *rt2800usb_get_firmware_name(struct rt2x00_dev *rt2x00dev)
 262{
 263        return FIRMWARE_RT2870;
 264}
 265
 266static int rt2800usb_write_firmware(struct rt2x00_dev *rt2x00dev,
 267                                    const u8 *data, const size_t len)
 268{
 269        int status;
 270        u32 offset;
 271        u32 length;
 272        int retval;
 273
 274        /*
 275         * Check which section of the firmware we need.
 276         */
 277        if (rt2x00_rt(rt2x00dev, RT2860) ||
 278            rt2x00_rt(rt2x00dev, RT2872) ||
 279            rt2x00_rt(rt2x00dev, RT3070)) {
 280                offset = 0;
 281                length = 4096;
 282        } else {
 283                offset = 4096;
 284                length = 4096;
 285        }
 286
 287        /*
 288         * Write firmware to device.
 289         */
 290        retval = rt2800usb_autorun_detect(rt2x00dev);
 291        if (retval < 0)
 292                return retval;
 293        if (retval) {
 294                rt2x00_info(rt2x00dev,
 295                            "Firmware loading not required - NIC in AutoRun mode\n");
 296                __clear_bit(REQUIRE_FIRMWARE, &rt2x00dev->cap_flags);
 297        } else {
 298                rt2x00usb_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE,
 299                                              data + offset, length);
 300        }
 301
 302        rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0);
 303        rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0);
 304
 305        /*
 306         * Send firmware request to device to load firmware,
 307         * we need to specify a long timeout time.
 308         */
 309        status = rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE,
 310                                             0, USB_MODE_FIRMWARE,
 311                                             REGISTER_TIMEOUT_FIRMWARE);
 312        if (status < 0) {
 313                rt2x00_err(rt2x00dev, "Failed to write Firmware to device\n");
 314                return status;
 315        }
 316
 317        msleep(10);
 318        rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
 319
 320        return 0;
 321}
 322
 323/*
 324 * Device state switch handlers.
 325 */
 326static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
 327{
 328        u32 reg;
 329
 330        /*
 331         * Wait until BBP and RF are ready.
 332         */
 333        if (rt2800_wait_csr_ready(rt2x00dev))
 334                return -EBUSY;
 335
 336        reg = rt2x00usb_register_read(rt2x00dev, PBF_SYS_CTRL);
 337        rt2x00usb_register_write(rt2x00dev, PBF_SYS_CTRL, reg & ~0x00002000);
 338
 339        reg = 0;
 340        rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_CSR, 1);
 341        rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_BBP, 1);
 342        rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
 343
 344        rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0,
 345                                    USB_MODE_RESET, REGISTER_TIMEOUT);
 346
 347        rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
 348
 349        return 0;
 350}
 351
 352static int rt2800usb_enable_radio(struct rt2x00_dev *rt2x00dev)
 353{
 354        u32 reg = 0;
 355
 356        if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev)))
 357                return -EIO;
 358
 359        rt2x00_set_field32(&reg, USB_DMA_CFG_PHY_CLEAR, 0);
 360        rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_EN, 0);
 361        rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_TIMEOUT, 128);
 362        /*
 363         * Total room for RX frames in kilobytes, PBF might still exceed
 364         * this limit so reduce the number to prevent errors.
 365         */
 366        rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_LIMIT,
 367                           ((rt2x00dev->rx->limit * DATA_FRAME_SIZE)
 368                            / 1024) - 3);
 369        rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_EN, 1);
 370        rt2x00_set_field32(&reg, USB_DMA_CFG_TX_BULK_EN, 1);
 371        rt2x00usb_register_write(rt2x00dev, USB_DMA_CFG, reg);
 372
 373        return rt2800_enable_radio(rt2x00dev);
 374}
 375
 376static void rt2800usb_disable_radio(struct rt2x00_dev *rt2x00dev)
 377{
 378        rt2800_disable_radio(rt2x00dev);
 379}
 380
 381static int rt2800usb_set_state(struct rt2x00_dev *rt2x00dev,
 382                               enum dev_state state)
 383{
 384        if (state == STATE_AWAKE)
 385                rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, 0xff, 0, 2);
 386        else
 387                rt2800_mcu_request(rt2x00dev, MCU_SLEEP, 0xff, 0xff, 2);
 388
 389        return 0;
 390}
 391
 392static int rt2800usb_set_device_state(struct rt2x00_dev *rt2x00dev,
 393                                      enum dev_state state)
 394{
 395        int retval = 0;
 396
 397        switch (state) {
 398        case STATE_RADIO_ON:
 399                /*
 400                 * Before the radio can be enabled, the device first has
 401                 * to be woken up. After that it needs a bit of time
 402                 * to be fully awake and then the radio can be enabled.
 403                 */
 404                rt2800usb_set_state(rt2x00dev, STATE_AWAKE);
 405                msleep(1);
 406                retval = rt2800usb_enable_radio(rt2x00dev);
 407                break;
 408        case STATE_RADIO_OFF:
 409                /*
 410                 * After the radio has been disabled, the device should
 411                 * be put to sleep for powersaving.
 412                 */
 413                rt2800usb_disable_radio(rt2x00dev);
 414                rt2800usb_set_state(rt2x00dev, STATE_SLEEP);
 415                break;
 416        case STATE_RADIO_IRQ_ON:
 417        case STATE_RADIO_IRQ_OFF:
 418                /* No support, but no error either */
 419                break;
 420        case STATE_DEEP_SLEEP:
 421        case STATE_SLEEP:
 422        case STATE_STANDBY:
 423        case STATE_AWAKE:
 424                retval = rt2800usb_set_state(rt2x00dev, state);
 425                break;
 426        default:
 427                retval = -ENOTSUPP;
 428                break;
 429        }
 430
 431        if (unlikely(retval))
 432                rt2x00_err(rt2x00dev, "Device failed to enter state %d (%d)\n",
 433                           state, retval);
 434
 435        return retval;
 436}
 437
 438/*
 439 * TX descriptor initialization
 440 */
 441static __le32 *rt2800usb_get_txwi(struct queue_entry *entry)
 442{
 443        if (entry->queue->qid == QID_BEACON)
 444                return (__le32 *) (entry->skb->data);
 445        else
 446                return (__le32 *) (entry->skb->data + TXINFO_DESC_SIZE);
 447}
 448
 449static void rt2800usb_write_tx_desc(struct queue_entry *entry,
 450                                    struct txentry_desc *txdesc)
 451{
 452        struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
 453        __le32 *txi = (__le32 *) entry->skb->data;
 454        u32 word;
 455
 456        /*
 457         * Initialize TXINFO descriptor
 458         */
 459        word = rt2x00_desc_read(txi, 0);
 460
 461        /*
 462         * The size of TXINFO_W0_USB_DMA_TX_PKT_LEN is
 463         * TXWI + 802.11 header + L2 pad + payload + pad,
 464         * so need to decrease size of TXINFO.
 465         */
 466        rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_PKT_LEN,
 467                           roundup(entry->skb->len, 4) - TXINFO_DESC_SIZE);
 468        rt2x00_set_field32(&word, TXINFO_W0_WIV,
 469                           !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags));
 470        rt2x00_set_field32(&word, TXINFO_W0_QSEL, 2);
 471        rt2x00_set_field32(&word, TXINFO_W0_SW_USE_LAST_ROUND, 0);
 472        rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_NEXT_VALID, 0);
 473        rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_BURST,
 474                           test_bit(ENTRY_TXD_BURST, &txdesc->flags));
 475        rt2x00_desc_write(txi, 0, word);
 476
 477        /*
 478         * Register descriptor details in skb frame descriptor.
 479         */
 480        skbdesc->flags |= SKBDESC_DESC_IN_SKB;
 481        skbdesc->desc = txi;
 482        skbdesc->desc_len = TXINFO_DESC_SIZE + entry->queue->winfo_size;
 483}
 484
 485/*
 486 * TX data initialization
 487 */
 488static int rt2800usb_get_tx_data_len(struct queue_entry *entry)
 489{
 490        /*
 491         * pad(1~3 bytes) is needed after each 802.11 payload.
 492         * USB end pad(4 bytes) is needed at each USB bulk out packet end.
 493         * TX frame format is :
 494         * | TXINFO | TXWI | 802.11 header | L2 pad | payload | pad | USB end pad |
 495         *                 |<------------- tx_pkt_len ------------->|
 496         */
 497
 498        return roundup(entry->skb->len, 4) + 4;
 499}
 500
 501/*
 502 * TX control handlers
 503 */
 504static bool rt2800usb_txdone_entry_check(struct queue_entry *entry, u32 reg)
 505{
 506        __le32 *txwi;
 507        u32 word;
 508        int wcid, ack, pid;
 509        int tx_wcid, tx_ack, tx_pid, is_agg;
 510
 511        /*
 512         * This frames has returned with an IO error,
 513         * so the status report is not intended for this
 514         * frame.
 515         */
 516        if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags))
 517                return false;
 518
 519        wcid    = rt2x00_get_field32(reg, TX_STA_FIFO_WCID);
 520        ack     = rt2x00_get_field32(reg, TX_STA_FIFO_TX_ACK_REQUIRED);
 521        pid     = rt2x00_get_field32(reg, TX_STA_FIFO_PID_TYPE);
 522        is_agg  = rt2x00_get_field32(reg, TX_STA_FIFO_TX_AGGRE);
 523
 524        /*
 525         * Validate if this TX status report is intended for
 526         * this entry by comparing the WCID/ACK/PID fields.
 527         */
 528        txwi = rt2800usb_get_txwi(entry);
 529
 530        word = rt2x00_desc_read(txwi, 1);
 531        tx_wcid = rt2x00_get_field32(word, TXWI_W1_WIRELESS_CLI_ID);
 532        tx_ack  = rt2x00_get_field32(word, TXWI_W1_ACK);
 533        tx_pid  = rt2x00_get_field32(word, TXWI_W1_PACKETID);
 534
 535        if (wcid != tx_wcid || ack != tx_ack || (!is_agg && pid != tx_pid)) {
 536                rt2x00_dbg(entry->queue->rt2x00dev,
 537                           "TX status report missed for queue %d entry %d\n",
 538                           entry->queue->qid, entry->entry_idx);
 539                return false;
 540        }
 541
 542        return true;
 543}
 544
 545static void rt2800usb_txdone(struct rt2x00_dev *rt2x00dev)
 546{
 547        struct data_queue *queue;
 548        struct queue_entry *entry;
 549        u32 reg;
 550        u8 qid;
 551        bool match;
 552
 553        while (kfifo_get(&rt2x00dev->txstatus_fifo, &reg)) {
 554                /*
 555                 * TX_STA_FIFO_PID_QUEUE is a 2-bit field, thus qid is
 556                 * guaranteed to be one of the TX QIDs .
 557                 */
 558                qid = rt2x00_get_field32(reg, TX_STA_FIFO_PID_QUEUE);
 559                queue = rt2x00queue_get_tx_queue(rt2x00dev, qid);
 560
 561                if (unlikely(rt2x00queue_empty(queue))) {
 562                        rt2x00_dbg(rt2x00dev, "Got TX status for an empty queue %u, dropping\n",
 563                                   qid);
 564                        break;
 565                }
 566
 567                entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
 568
 569                if (unlikely(test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags) ||
 570                             !test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))) {
 571                        rt2x00_warn(rt2x00dev, "Data pending for entry %u in queue %u\n",
 572                                    entry->entry_idx, qid);
 573                        break;
 574                }
 575
 576                match = rt2800usb_txdone_entry_check(entry, reg);
 577                rt2800_txdone_entry(entry, reg, rt2800usb_get_txwi(entry), match);
 578        }
 579}
 580
 581static void rt2800usb_txdone_nostatus(struct rt2x00_dev *rt2x00dev)
 582{
 583        struct data_queue *queue;
 584        struct queue_entry *entry;
 585
 586        /*
 587         * Process any trailing TX status reports for IO failures,
 588         * we loop until we find the first non-IO error entry. This
 589         * can either be a frame which is free, is being uploaded,
 590         * or has completed the upload but didn't have an entry
 591         * in the TX_STAT_FIFO register yet.
 592         */
 593        tx_queue_for_each(rt2x00dev, queue) {
 594                while (!rt2x00queue_empty(queue)) {
 595                        entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
 596
 597                        if (test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags) ||
 598                            !test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))
 599                                break;
 600
 601                        if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags) ||
 602                            rt2800usb_entry_txstatus_timeout(entry))
 603                                rt2x00lib_txdone_noinfo(entry, TXDONE_FAILURE);
 604                        else
 605                                break;
 606                }
 607        }
 608}
 609
 610static void rt2800usb_work_txdone(struct work_struct *work)
 611{
 612        struct rt2x00_dev *rt2x00dev =
 613            container_of(work, struct rt2x00_dev, txdone_work);
 614
 615        while (!kfifo_is_empty(&rt2x00dev->txstatus_fifo) ||
 616               rt2800usb_txstatus_timeout(rt2x00dev)) {
 617
 618                rt2800usb_txdone(rt2x00dev);
 619
 620                rt2800usb_txdone_nostatus(rt2x00dev);
 621
 622                /*
 623                 * The hw may delay sending the packet after DMA complete
 624                 * if the medium is busy, thus the TX_STA_FIFO entry is
 625                 * also delayed -> use a timer to retrieve it.
 626                 */
 627                if (rt2800usb_txstatus_pending(rt2x00dev))
 628                        rt2800usb_async_read_tx_status(rt2x00dev);
 629        }
 630}
 631
 632/*
 633 * RX control handlers
 634 */
 635static void rt2800usb_fill_rxdone(struct queue_entry *entry,
 636                                  struct rxdone_entry_desc *rxdesc)
 637{
 638        struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
 639        __le32 *rxi = (__le32 *)entry->skb->data;
 640        __le32 *rxd;
 641        u32 word;
 642        int rx_pkt_len;
 643
 644        /*
 645         * Copy descriptor to the skbdesc->desc buffer, making it safe from
 646         * moving of frame data in rt2x00usb.
 647         */
 648        memcpy(skbdesc->desc, rxi, skbdesc->desc_len);
 649
 650        /*
 651         * RX frame format is :
 652         * | RXINFO | RXWI | header | L2 pad | payload | pad | RXD | USB pad |
 653         *          |<------------ rx_pkt_len -------------->|
 654         */
 655        word = rt2x00_desc_read(rxi, 0);
 656        rx_pkt_len = rt2x00_get_field32(word, RXINFO_W0_USB_DMA_RX_PKT_LEN);
 657
 658        /*
 659         * Remove the RXINFO structure from the sbk.
 660         */
 661        skb_pull(entry->skb, RXINFO_DESC_SIZE);
 662
 663        /*
 664         * Check for rx_pkt_len validity. Return if invalid, leaving
 665         * rxdesc->size zeroed out by the upper level.
 666         */
 667        if (unlikely(rx_pkt_len == 0 ||
 668                        rx_pkt_len > entry->queue->data_size)) {
 669                rt2x00_err(entry->queue->rt2x00dev,
 670                           "Bad frame size %d, forcing to 0\n", rx_pkt_len);
 671                return;
 672        }
 673
 674        rxd = (__le32 *)(entry->skb->data + rx_pkt_len);
 675
 676        /*
 677         * It is now safe to read the descriptor on all architectures.
 678         */
 679        word = rt2x00_desc_read(rxd, 0);
 680
 681        if (rt2x00_get_field32(word, RXD_W0_CRC_ERROR))
 682                rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
 683
 684        rxdesc->cipher_status = rt2x00_get_field32(word, RXD_W0_CIPHER_ERROR);
 685
 686        if (rt2x00_get_field32(word, RXD_W0_DECRYPTED)) {
 687                /*
 688                 * Hardware has stripped IV/EIV data from 802.11 frame during
 689                 * decryption. Unfortunately the descriptor doesn't contain
 690                 * any fields with the EIV/IV data either, so they can't
 691                 * be restored by rt2x00lib.
 692                 */
 693                rxdesc->flags |= RX_FLAG_IV_STRIPPED;
 694
 695                /*
 696                 * The hardware has already checked the Michael Mic and has
 697                 * stripped it from the frame. Signal this to mac80211.
 698                 */
 699                rxdesc->flags |= RX_FLAG_MMIC_STRIPPED;
 700        
 701                if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS) {
 702                        rxdesc->flags |= RX_FLAG_DECRYPTED;
 703                } else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC) {
 704                        /*
 705                         * In order to check the Michael Mic, the packet must have
 706                         * been decrypted.  Mac80211 doesnt check the MMIC failure 
 707                         * flag to initiate MMIC countermeasures if the decoded flag
 708                         * has not been set.
 709                         */
 710                        rxdesc->flags |= RX_FLAG_DECRYPTED;
 711
 712                        rxdesc->flags |= RX_FLAG_MMIC_ERROR;
 713                }
 714        }
 715
 716        if (rt2x00_get_field32(word, RXD_W0_MY_BSS))
 717                rxdesc->dev_flags |= RXDONE_MY_BSS;
 718
 719        if (rt2x00_get_field32(word, RXD_W0_L2PAD))
 720                rxdesc->dev_flags |= RXDONE_L2PAD;
 721
 722        /*
 723         * Remove RXD descriptor from end of buffer.
 724         */
 725        skb_trim(entry->skb, rx_pkt_len);
 726
 727        /*
 728         * Process the RXWI structure.
 729         */
 730        rt2800_process_rxwi(entry, rxdesc);
 731}
 732
 733/*
 734 * Device probe functions.
 735 */
 736static int rt2800usb_efuse_detect(struct rt2x00_dev *rt2x00dev)
 737{
 738        int retval;
 739
 740        retval = rt2800usb_autorun_detect(rt2x00dev);
 741        if (retval < 0)
 742                return retval;
 743        if (retval)
 744                return 1;
 745        return rt2800_efuse_detect(rt2x00dev);
 746}
 747
 748static int rt2800usb_read_eeprom(struct rt2x00_dev *rt2x00dev)
 749{
 750        int retval;
 751
 752        retval = rt2800usb_efuse_detect(rt2x00dev);
 753        if (retval < 0)
 754                return retval;
 755        if (retval)
 756                retval = rt2800_read_eeprom_efuse(rt2x00dev);
 757        else
 758                retval = rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom,
 759                                               EEPROM_SIZE);
 760
 761        return retval;
 762}
 763
 764static int rt2800usb_probe_hw(struct rt2x00_dev *rt2x00dev)
 765{
 766        int retval;
 767
 768        retval = rt2800_probe_hw(rt2x00dev);
 769        if (retval)
 770                return retval;
 771
 772        /*
 773         * Set txstatus timer function.
 774         */
 775        rt2x00dev->txstatus_timer.function = rt2800usb_tx_sta_fifo_timeout;
 776
 777        /*
 778         * Overwrite TX done handler
 779         */
 780        INIT_WORK(&rt2x00dev->txdone_work, rt2800usb_work_txdone);
 781
 782        return 0;
 783}
 784
 785static const struct ieee80211_ops rt2800usb_mac80211_ops = {
 786        .tx                     = rt2x00mac_tx,
 787        .start                  = rt2x00mac_start,
 788        .stop                   = rt2x00mac_stop,
 789        .add_interface          = rt2x00mac_add_interface,
 790        .remove_interface       = rt2x00mac_remove_interface,
 791        .config                 = rt2x00mac_config,
 792        .configure_filter       = rt2x00mac_configure_filter,
 793        .set_tim                = rt2x00mac_set_tim,
 794        .set_key                = rt2x00mac_set_key,
 795        .sw_scan_start          = rt2x00mac_sw_scan_start,
 796        .sw_scan_complete       = rt2x00mac_sw_scan_complete,
 797        .get_stats              = rt2x00mac_get_stats,
 798        .get_key_seq            = rt2800_get_key_seq,
 799        .set_rts_threshold      = rt2800_set_rts_threshold,
 800        .sta_add                = rt2x00mac_sta_add,
 801        .sta_remove             = rt2x00mac_sta_remove,
 802        .bss_info_changed       = rt2x00mac_bss_info_changed,
 803        .conf_tx                = rt2800_conf_tx,
 804        .get_tsf                = rt2800_get_tsf,
 805        .rfkill_poll            = rt2x00mac_rfkill_poll,
 806        .ampdu_action           = rt2800_ampdu_action,
 807        .flush                  = rt2x00mac_flush,
 808        .get_survey             = rt2800_get_survey,
 809        .get_ringparam          = rt2x00mac_get_ringparam,
 810        .tx_frames_pending      = rt2x00mac_tx_frames_pending,
 811};
 812
 813static const struct rt2800_ops rt2800usb_rt2800_ops = {
 814        .register_read          = rt2x00usb_register_read,
 815        .register_read_lock     = rt2x00usb_register_read_lock,
 816        .register_write         = rt2x00usb_register_write,
 817        .register_write_lock    = rt2x00usb_register_write_lock,
 818        .register_multiread     = rt2x00usb_register_multiread,
 819        .register_multiwrite    = rt2x00usb_register_multiwrite,
 820        .regbusy_read           = rt2x00usb_regbusy_read,
 821        .read_eeprom            = rt2800usb_read_eeprom,
 822        .hwcrypt_disabled       = rt2800usb_hwcrypt_disabled,
 823        .drv_write_firmware     = rt2800usb_write_firmware,
 824        .drv_init_registers     = rt2800usb_init_registers,
 825        .drv_get_txwi           = rt2800usb_get_txwi,
 826};
 827
 828static const struct rt2x00lib_ops rt2800usb_rt2x00_ops = {
 829        .probe_hw               = rt2800usb_probe_hw,
 830        .get_firmware_name      = rt2800usb_get_firmware_name,
 831        .check_firmware         = rt2800_check_firmware,
 832        .load_firmware          = rt2800_load_firmware,
 833        .initialize             = rt2x00usb_initialize,
 834        .uninitialize           = rt2x00usb_uninitialize,
 835        .clear_entry            = rt2x00usb_clear_entry,
 836        .set_device_state       = rt2800usb_set_device_state,
 837        .rfkill_poll            = rt2800_rfkill_poll,
 838        .link_stats             = rt2800_link_stats,
 839        .reset_tuner            = rt2800_reset_tuner,
 840        .link_tuner             = rt2800_link_tuner,
 841        .gain_calibration       = rt2800_gain_calibration,
 842        .vco_calibration        = rt2800_vco_calibration,
 843        .start_queue            = rt2800usb_start_queue,
 844        .kick_queue             = rt2x00usb_kick_queue,
 845        .stop_queue             = rt2800usb_stop_queue,
 846        .flush_queue            = rt2x00usb_flush_queue,
 847        .tx_dma_done            = rt2800usb_tx_dma_done,
 848        .write_tx_desc          = rt2800usb_write_tx_desc,
 849        .write_tx_data          = rt2800_write_tx_data,
 850        .write_beacon           = rt2800_write_beacon,
 851        .clear_beacon           = rt2800_clear_beacon,
 852        .get_tx_data_len        = rt2800usb_get_tx_data_len,
 853        .fill_rxdone            = rt2800usb_fill_rxdone,
 854        .config_shared_key      = rt2800_config_shared_key,
 855        .config_pairwise_key    = rt2800_config_pairwise_key,
 856        .config_filter          = rt2800_config_filter,
 857        .config_intf            = rt2800_config_intf,
 858        .config_erp             = rt2800_config_erp,
 859        .config_ant             = rt2800_config_ant,
 860        .config                 = rt2800_config,
 861        .sta_add                = rt2800_sta_add,
 862        .sta_remove             = rt2800_sta_remove,
 863};
 864
 865static void rt2800usb_queue_init(struct data_queue *queue)
 866{
 867        struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
 868        unsigned short txwi_size, rxwi_size;
 869
 870        rt2800_get_txwi_rxwi_size(rt2x00dev, &txwi_size, &rxwi_size);
 871
 872        switch (queue->qid) {
 873        case QID_RX:
 874                queue->limit = 128;
 875                queue->data_size = AGGREGATION_SIZE;
 876                queue->desc_size = RXINFO_DESC_SIZE;
 877                queue->winfo_size = rxwi_size;
 878                queue->priv_size = sizeof(struct queue_entry_priv_usb);
 879                break;
 880
 881        case QID_AC_VO:
 882        case QID_AC_VI:
 883        case QID_AC_BE:
 884        case QID_AC_BK:
 885                queue->limit = 16;
 886                queue->data_size = AGGREGATION_SIZE;
 887                queue->desc_size = TXINFO_DESC_SIZE;
 888                queue->winfo_size = txwi_size;
 889                queue->priv_size = sizeof(struct queue_entry_priv_usb);
 890                break;
 891
 892        case QID_BEACON:
 893                queue->limit = 8;
 894                queue->data_size = MGMT_FRAME_SIZE;
 895                queue->desc_size = TXINFO_DESC_SIZE;
 896                queue->winfo_size = txwi_size;
 897                queue->priv_size = sizeof(struct queue_entry_priv_usb);
 898                break;
 899
 900        case QID_ATIM:
 901                /* fallthrough */
 902        default:
 903                BUG();
 904                break;
 905        }
 906}
 907
 908static const struct rt2x00_ops rt2800usb_ops = {
 909        .name                   = KBUILD_MODNAME,
 910        .drv_data_size          = sizeof(struct rt2800_drv_data),
 911        .max_ap_intf            = 8,
 912        .eeprom_size            = EEPROM_SIZE,
 913        .rf_size                = RF_SIZE,
 914        .tx_queues              = NUM_TX_QUEUES,
 915        .queue_init             = rt2800usb_queue_init,
 916        .lib                    = &rt2800usb_rt2x00_ops,
 917        .drv                    = &rt2800usb_rt2800_ops,
 918        .hw                     = &rt2800usb_mac80211_ops,
 919#ifdef CONFIG_RT2X00_LIB_DEBUGFS
 920        .debugfs                = &rt2800_rt2x00debug,
 921#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
 922};
 923
 924/*
 925 * rt2800usb module information.
 926 */
 927static const struct usb_device_id rt2800usb_device_table[] = {
 928        /* Abocom */
 929        { USB_DEVICE(0x07b8, 0x2870) },
 930        { USB_DEVICE(0x07b8, 0x2770) },
 931        { USB_DEVICE(0x07b8, 0x3070) },
 932        { USB_DEVICE(0x07b8, 0x3071) },
 933        { USB_DEVICE(0x07b8, 0x3072) },
 934        { USB_DEVICE(0x1482, 0x3c09) },
 935        /* AirTies */
 936        { USB_DEVICE(0x1eda, 0x2012) },
 937        { USB_DEVICE(0x1eda, 0x2210) },
 938        { USB_DEVICE(0x1eda, 0x2310) },
 939        /* Allwin */
 940        { USB_DEVICE(0x8516, 0x2070) },
 941        { USB_DEVICE(0x8516, 0x2770) },
 942        { USB_DEVICE(0x8516, 0x2870) },
 943        { USB_DEVICE(0x8516, 0x3070) },
 944        { USB_DEVICE(0x8516, 0x3071) },
 945        { USB_DEVICE(0x8516, 0x3072) },
 946        /* Alpha Networks */
 947        { USB_DEVICE(0x14b2, 0x3c06) },
 948        { USB_DEVICE(0x14b2, 0x3c07) },
 949        { USB_DEVICE(0x14b2, 0x3c09) },
 950        { USB_DEVICE(0x14b2, 0x3c12) },
 951        { USB_DEVICE(0x14b2, 0x3c23) },
 952        { USB_DEVICE(0x14b2, 0x3c25) },
 953        { USB_DEVICE(0x14b2, 0x3c27) },
 954        { USB_DEVICE(0x14b2, 0x3c28) },
 955        { USB_DEVICE(0x14b2, 0x3c2c) },
 956        /* Amit */
 957        { USB_DEVICE(0x15c5, 0x0008) },
 958        /* Askey */
 959        { USB_DEVICE(0x1690, 0x0740) },
 960        /* ASUS */
 961        { USB_DEVICE(0x0b05, 0x1731) },
 962        { USB_DEVICE(0x0b05, 0x1732) },
 963        { USB_DEVICE(0x0b05, 0x1742) },
 964        { USB_DEVICE(0x0b05, 0x1784) },
 965        { USB_DEVICE(0x1761, 0x0b05) },
 966        /* AzureWave */
 967        { USB_DEVICE(0x13d3, 0x3247) },
 968        { USB_DEVICE(0x13d3, 0x3273) },
 969        { USB_DEVICE(0x13d3, 0x3305) },
 970        { USB_DEVICE(0x13d3, 0x3307) },
 971        { USB_DEVICE(0x13d3, 0x3321) },
 972        /* Belkin */
 973        { USB_DEVICE(0x050d, 0x8053) },
 974        { USB_DEVICE(0x050d, 0x805c) },
 975        { USB_DEVICE(0x050d, 0x815c) },
 976        { USB_DEVICE(0x050d, 0x825a) },
 977        { USB_DEVICE(0x050d, 0x825b) },
 978        { USB_DEVICE(0x050d, 0x935a) },
 979        { USB_DEVICE(0x050d, 0x935b) },
 980        /* Buffalo */
 981        { USB_DEVICE(0x0411, 0x00e8) },
 982        { USB_DEVICE(0x0411, 0x0158) },
 983        { USB_DEVICE(0x0411, 0x015d) },
 984        { USB_DEVICE(0x0411, 0x016f) },
 985        { USB_DEVICE(0x0411, 0x01a2) },
 986        { USB_DEVICE(0x0411, 0x01ee) },
 987        { USB_DEVICE(0x0411, 0x01a8) },
 988        { USB_DEVICE(0x0411, 0x01fd) },
 989        /* Corega */
 990        { USB_DEVICE(0x07aa, 0x002f) },
 991        { USB_DEVICE(0x07aa, 0x003c) },
 992        { USB_DEVICE(0x07aa, 0x003f) },
 993        { USB_DEVICE(0x18c5, 0x0012) },
 994        /* D-Link */
 995        { USB_DEVICE(0x07d1, 0x3c09) },
 996        { USB_DEVICE(0x07d1, 0x3c0a) },
 997        { USB_DEVICE(0x07d1, 0x3c0d) },
 998        { USB_DEVICE(0x07d1, 0x3c0e) },
 999        { USB_DEVICE(0x07d1, 0x3c0f) },
1000        { USB_DEVICE(0x07d1, 0x3c11) },
1001        { USB_DEVICE(0x07d1, 0x3c13) },
1002        { USB_DEVICE(0x07d1, 0x3c15) },
1003        { USB_DEVICE(0x07d1, 0x3c16) },
1004        { USB_DEVICE(0x07d1, 0x3c17) },
1005        { USB_DEVICE(0x2001, 0x3317) },
1006        { USB_DEVICE(0x2001, 0x3c1b) },
1007        { USB_DEVICE(0x2001, 0x3c25) },
1008        /* Draytek */
1009        { USB_DEVICE(0x07fa, 0x7712) },
1010        /* DVICO */
1011        { USB_DEVICE(0x0fe9, 0xb307) },
1012        /* Edimax */
1013        { USB_DEVICE(0x7392, 0x4085) },
1014        { USB_DEVICE(0x7392, 0x7711) },
1015        { USB_DEVICE(0x7392, 0x7717) },
1016        { USB_DEVICE(0x7392, 0x7718) },
1017        { USB_DEVICE(0x7392, 0x7722) },
1018        /* Encore */
1019        { USB_DEVICE(0x203d, 0x1480) },
1020        { USB_DEVICE(0x203d, 0x14a9) },
1021        /* EnGenius */
1022        { USB_DEVICE(0x1740, 0x9701) },
1023        { USB_DEVICE(0x1740, 0x9702) },
1024        { USB_DEVICE(0x1740, 0x9703) },
1025        { USB_DEVICE(0x1740, 0x9705) },
1026        { USB_DEVICE(0x1740, 0x9706) },
1027        { USB_DEVICE(0x1740, 0x9707) },
1028        { USB_DEVICE(0x1740, 0x9708) },
1029        { USB_DEVICE(0x1740, 0x9709) },
1030        /* Gemtek */
1031        { USB_DEVICE(0x15a9, 0x0012) },
1032        /* Gigabyte */
1033        { USB_DEVICE(0x1044, 0x800b) },
1034        { USB_DEVICE(0x1044, 0x800d) },
1035        /* Hawking */
1036        { USB_DEVICE(0x0e66, 0x0001) },
1037        { USB_DEVICE(0x0e66, 0x0003) },
1038        { USB_DEVICE(0x0e66, 0x0009) },
1039        { USB_DEVICE(0x0e66, 0x000b) },
1040        { USB_DEVICE(0x0e66, 0x0013) },
1041        { USB_DEVICE(0x0e66, 0x0017) },
1042        { USB_DEVICE(0x0e66, 0x0018) },
1043        /* I-O DATA */
1044        { USB_DEVICE(0x04bb, 0x0945) },
1045        { USB_DEVICE(0x04bb, 0x0947) },
1046        { USB_DEVICE(0x04bb, 0x0948) },
1047        /* Linksys */
1048        { USB_DEVICE(0x13b1, 0x0031) },
1049        { USB_DEVICE(0x1737, 0x0070) },
1050        { USB_DEVICE(0x1737, 0x0071) },
1051        { USB_DEVICE(0x1737, 0x0077) },
1052        { USB_DEVICE(0x1737, 0x0078) },
1053        /* Logitec */
1054        { USB_DEVICE(0x0789, 0x0162) },
1055        { USB_DEVICE(0x0789, 0x0163) },
1056        { USB_DEVICE(0x0789, 0x0164) },
1057        { USB_DEVICE(0x0789, 0x0166) },
1058        /* Motorola */
1059        { USB_DEVICE(0x100d, 0x9031) },
1060        /* MSI */
1061        { USB_DEVICE(0x0db0, 0x3820) },
1062        { USB_DEVICE(0x0db0, 0x3821) },
1063        { USB_DEVICE(0x0db0, 0x3822) },
1064        { USB_DEVICE(0x0db0, 0x3870) },
1065        { USB_DEVICE(0x0db0, 0x3871) },
1066        { USB_DEVICE(0x0db0, 0x6899) },
1067        { USB_DEVICE(0x0db0, 0x821a) },
1068        { USB_DEVICE(0x0db0, 0x822a) },
1069        { USB_DEVICE(0x0db0, 0x822b) },
1070        { USB_DEVICE(0x0db0, 0x822c) },
1071        { USB_DEVICE(0x0db0, 0x870a) },
1072        { USB_DEVICE(0x0db0, 0x871a) },
1073        { USB_DEVICE(0x0db0, 0x871b) },
1074        { USB_DEVICE(0x0db0, 0x871c) },
1075        { USB_DEVICE(0x0db0, 0x899a) },
1076        /* Ovislink */
1077        { USB_DEVICE(0x1b75, 0x3070) },
1078        { USB_DEVICE(0x1b75, 0x3071) },
1079        { USB_DEVICE(0x1b75, 0x3072) },
1080        { USB_DEVICE(0x1b75, 0xa200) },
1081        /* Para */
1082        { USB_DEVICE(0x20b8, 0x8888) },
1083        /* Pegatron */
1084        { USB_DEVICE(0x1d4d, 0x0002) },
1085        { USB_DEVICE(0x1d4d, 0x000c) },
1086        { USB_DEVICE(0x1d4d, 0x000e) },
1087        { USB_DEVICE(0x1d4d, 0x0011) },
1088        /* Philips */
1089        { USB_DEVICE(0x0471, 0x200f) },
1090        /* Planex */
1091        { USB_DEVICE(0x2019, 0x5201) },
1092        { USB_DEVICE(0x2019, 0xab25) },
1093        { USB_DEVICE(0x2019, 0xed06) },
1094        /* Quanta */
1095        { USB_DEVICE(0x1a32, 0x0304) },
1096        /* Ralink */
1097        { USB_DEVICE(0x148f, 0x2070) },
1098        { USB_DEVICE(0x148f, 0x2770) },
1099        { USB_DEVICE(0x148f, 0x2870) },
1100        { USB_DEVICE(0x148f, 0x3070) },
1101        { USB_DEVICE(0x148f, 0x3071) },
1102        { USB_DEVICE(0x148f, 0x3072) },
1103        /* Samsung */
1104        { USB_DEVICE(0x04e8, 0x2018) },
1105        /* Siemens */
1106        { USB_DEVICE(0x129b, 0x1828) },
1107        /* Sitecom */
1108        { USB_DEVICE(0x0df6, 0x0017) },
1109        { USB_DEVICE(0x0df6, 0x002b) },
1110        { USB_DEVICE(0x0df6, 0x002c) },
1111        { USB_DEVICE(0x0df6, 0x002d) },
1112        { USB_DEVICE(0x0df6, 0x0039) },
1113        { USB_DEVICE(0x0df6, 0x003b) },
1114        { USB_DEVICE(0x0df6, 0x003d) },
1115        { USB_DEVICE(0x0df6, 0x003e) },
1116        { USB_DEVICE(0x0df6, 0x003f) },
1117        { USB_DEVICE(0x0df6, 0x0040) },
1118        { USB_DEVICE(0x0df6, 0x0042) },
1119        { USB_DEVICE(0x0df6, 0x0047) },
1120        { USB_DEVICE(0x0df6, 0x0048) },
1121        { USB_DEVICE(0x0df6, 0x0051) },
1122        { USB_DEVICE(0x0df6, 0x005f) },
1123        { USB_DEVICE(0x0df6, 0x0060) },
1124        /* SMC */
1125        { USB_DEVICE(0x083a, 0x6618) },
1126        { USB_DEVICE(0x083a, 0x7511) },
1127        { USB_DEVICE(0x083a, 0x7512) },
1128        { USB_DEVICE(0x083a, 0x7522) },
1129        { USB_DEVICE(0x083a, 0x8522) },
1130        { USB_DEVICE(0x083a, 0xa618) },
1131        { USB_DEVICE(0x083a, 0xa701) },
1132        { USB_DEVICE(0x083a, 0xa702) },
1133        { USB_DEVICE(0x083a, 0xa703) },
1134        { USB_DEVICE(0x083a, 0xb522) },
1135        /* Sparklan */
1136        { USB_DEVICE(0x15a9, 0x0006) },
1137        /* Sweex */
1138        { USB_DEVICE(0x177f, 0x0153) },
1139        { USB_DEVICE(0x177f, 0x0164) },
1140        { USB_DEVICE(0x177f, 0x0302) },
1141        { USB_DEVICE(0x177f, 0x0313) },
1142        { USB_DEVICE(0x177f, 0x0323) },
1143        { USB_DEVICE(0x177f, 0x0324) },
1144        /* U-Media */
1145        { USB_DEVICE(0x157e, 0x300e) },
1146        { USB_DEVICE(0x157e, 0x3013) },
1147        /* ZCOM */
1148        { USB_DEVICE(0x0cde, 0x0022) },
1149        { USB_DEVICE(0x0cde, 0x0025) },
1150        /* Zinwell */
1151        { USB_DEVICE(0x5a57, 0x0280) },
1152        { USB_DEVICE(0x5a57, 0x0282) },
1153        { USB_DEVICE(0x5a57, 0x0283) },
1154        { USB_DEVICE(0x5a57, 0x5257) },
1155        /* Zyxel */
1156        { USB_DEVICE(0x0586, 0x3416) },
1157        { USB_DEVICE(0x0586, 0x3418) },
1158        { USB_DEVICE(0x0586, 0x341a) },
1159        { USB_DEVICE(0x0586, 0x341e) },
1160        { USB_DEVICE(0x0586, 0x343e) },
1161#ifdef CONFIG_RT2800USB_RT33XX
1162        /* Belkin */
1163        { USB_DEVICE(0x050d, 0x945b) },
1164        /* D-Link */
1165        { USB_DEVICE(0x2001, 0x3c17) },
1166        /* Panasonic */
1167        { USB_DEVICE(0x083a, 0xb511) },
1168        /* Accton/Arcadyan/Epson */
1169        { USB_DEVICE(0x083a, 0xb512) },
1170        /* Philips */
1171        { USB_DEVICE(0x0471, 0x20dd) },
1172        /* Ralink */
1173        { USB_DEVICE(0x148f, 0x3370) },
1174        { USB_DEVICE(0x148f, 0x8070) },
1175        /* Sitecom */
1176        { USB_DEVICE(0x0df6, 0x0050) },
1177        /* Sweex */
1178        { USB_DEVICE(0x177f, 0x0163) },
1179        { USB_DEVICE(0x177f, 0x0165) },
1180#endif
1181#ifdef CONFIG_RT2800USB_RT35XX
1182        /* Allwin */
1183        { USB_DEVICE(0x8516, 0x3572) },
1184        /* Askey */
1185        { USB_DEVICE(0x1690, 0x0744) },
1186        { USB_DEVICE(0x1690, 0x0761) },
1187        { USB_DEVICE(0x1690, 0x0764) },
1188        /* ASUS */
1189        { USB_DEVICE(0x0b05, 0x179d) },
1190        /* Cisco */
1191        { USB_DEVICE(0x167b, 0x4001) },
1192        /* EnGenius */
1193        { USB_DEVICE(0x1740, 0x9801) },
1194        /* I-O DATA */
1195        { USB_DEVICE(0x04bb, 0x0944) },
1196        /* Linksys */
1197        { USB_DEVICE(0x13b1, 0x002f) },
1198        { USB_DEVICE(0x1737, 0x0079) },
1199        /* Logitec */
1200        { USB_DEVICE(0x0789, 0x0170) },
1201        /* Ralink */
1202        { USB_DEVICE(0x148f, 0x3572) },
1203        /* Sitecom */
1204        { USB_DEVICE(0x0df6, 0x0041) },
1205        { USB_DEVICE(0x0df6, 0x0062) },
1206        { USB_DEVICE(0x0df6, 0x0065) },
1207        { USB_DEVICE(0x0df6, 0x0066) },
1208        { USB_DEVICE(0x0df6, 0x0068) },
1209        /* Toshiba */
1210        { USB_DEVICE(0x0930, 0x0a07) },
1211        /* Zinwell */
1212        { USB_DEVICE(0x5a57, 0x0284) },
1213#endif
1214#ifdef CONFIG_RT2800USB_RT3573
1215        /* AirLive */
1216        { USB_DEVICE(0x1b75, 0x7733) },
1217        /* ASUS */
1218        { USB_DEVICE(0x0b05, 0x17bc) },
1219        { USB_DEVICE(0x0b05, 0x17ad) },
1220        /* Belkin */
1221        { USB_DEVICE(0x050d, 0x1103) },
1222        /* Cameo */
1223        { USB_DEVICE(0x148f, 0xf301) },
1224        /* D-Link */
1225        { USB_DEVICE(0x2001, 0x3c1f) },
1226        /* Edimax */
1227        { USB_DEVICE(0x7392, 0x7733) },
1228        /* Hawking */
1229        { USB_DEVICE(0x0e66, 0x0020) },
1230        { USB_DEVICE(0x0e66, 0x0021) },
1231        /* I-O DATA */
1232        { USB_DEVICE(0x04bb, 0x094e) },
1233        /* Linksys */
1234        { USB_DEVICE(0x13b1, 0x003b) },
1235        /* Logitec */
1236        { USB_DEVICE(0x0789, 0x016b) },
1237        /* NETGEAR */
1238        { USB_DEVICE(0x0846, 0x9012) },
1239        { USB_DEVICE(0x0846, 0x9013) },
1240        { USB_DEVICE(0x0846, 0x9019) },
1241        /* Planex */
1242        { USB_DEVICE(0x2019, 0xed19) },
1243        /* Ralink */
1244        { USB_DEVICE(0x148f, 0x3573) },
1245        /* Sitecom */
1246        { USB_DEVICE(0x0df6, 0x0067) },
1247        { USB_DEVICE(0x0df6, 0x006a) },
1248        { USB_DEVICE(0x0df6, 0x006e) },
1249        /* ZyXEL */
1250        { USB_DEVICE(0x0586, 0x3421) },
1251#endif
1252#ifdef CONFIG_RT2800USB_RT53XX
1253        /* Arcadyan */
1254        { USB_DEVICE(0x043e, 0x7a12) },
1255        { USB_DEVICE(0x043e, 0x7a32) },
1256        /* ASUS */
1257        { USB_DEVICE(0x0b05, 0x17e8) },
1258        /* Azurewave */
1259        { USB_DEVICE(0x13d3, 0x3329) },
1260        { USB_DEVICE(0x13d3, 0x3365) },
1261        /* D-Link */
1262        { USB_DEVICE(0x2001, 0x3c15) },
1263        { USB_DEVICE(0x2001, 0x3c19) },
1264        { USB_DEVICE(0x2001, 0x3c1c) },
1265        { USB_DEVICE(0x2001, 0x3c1d) },
1266        { USB_DEVICE(0x2001, 0x3c1e) },
1267        { USB_DEVICE(0x2001, 0x3c20) },
1268        { USB_DEVICE(0x2001, 0x3c22) },
1269        { USB_DEVICE(0x2001, 0x3c23) },
1270        /* LG innotek */
1271        { USB_DEVICE(0x043e, 0x7a22) },
1272        { USB_DEVICE(0x043e, 0x7a42) },
1273        /* Panasonic */
1274        { USB_DEVICE(0x04da, 0x1801) },
1275        { USB_DEVICE(0x04da, 0x1800) },
1276        { USB_DEVICE(0x04da, 0x23f6) },
1277        /* Philips */
1278        { USB_DEVICE(0x0471, 0x2104) },
1279        { USB_DEVICE(0x0471, 0x2126) },
1280        { USB_DEVICE(0x0471, 0x2180) },
1281        { USB_DEVICE(0x0471, 0x2181) },
1282        { USB_DEVICE(0x0471, 0x2182) },
1283        /* Ralink */
1284        { USB_DEVICE(0x148f, 0x5370) },
1285        { USB_DEVICE(0x148f, 0x5372) },
1286#endif
1287#ifdef CONFIG_RT2800USB_RT55XX
1288        /* Arcadyan */
1289        { USB_DEVICE(0x043e, 0x7a32) },
1290        /* AVM GmbH */
1291        { USB_DEVICE(0x057c, 0x8501) },
1292        /* Buffalo */
1293        { USB_DEVICE(0x0411, 0x0241) },
1294        { USB_DEVICE(0x0411, 0x0253) },
1295        /* D-Link */
1296        { USB_DEVICE(0x2001, 0x3c1a) },
1297        { USB_DEVICE(0x2001, 0x3c21) },
1298        /* Proware */
1299        { USB_DEVICE(0x043e, 0x7a13) },
1300        /* Ralink */
1301        { USB_DEVICE(0x148f, 0x5572) },
1302        /* TRENDnet */
1303        { USB_DEVICE(0x20f4, 0x724a) },
1304#endif
1305#ifdef CONFIG_RT2800USB_UNKNOWN
1306        /*
1307         * Unclear what kind of devices these are (they aren't supported by the
1308         * vendor linux driver).
1309         */
1310        /* Abocom */
1311        { USB_DEVICE(0x07b8, 0x3073) },
1312        { USB_DEVICE(0x07b8, 0x3074) },
1313        /* Alpha Networks */
1314        { USB_DEVICE(0x14b2, 0x3c08) },
1315        { USB_DEVICE(0x14b2, 0x3c11) },
1316        /* Amigo */
1317        { USB_DEVICE(0x0e0b, 0x9031) },
1318        { USB_DEVICE(0x0e0b, 0x9041) },
1319        /* ASUS */
1320        { USB_DEVICE(0x0b05, 0x166a) },
1321        { USB_DEVICE(0x0b05, 0x1760) },
1322        { USB_DEVICE(0x0b05, 0x1761) },
1323        { USB_DEVICE(0x0b05, 0x1790) },
1324        { USB_DEVICE(0x0b05, 0x17a7) },
1325        /* AzureWave */
1326        { USB_DEVICE(0x13d3, 0x3262) },
1327        { USB_DEVICE(0x13d3, 0x3284) },
1328        { USB_DEVICE(0x13d3, 0x3322) },
1329        { USB_DEVICE(0x13d3, 0x3340) },
1330        { USB_DEVICE(0x13d3, 0x3399) },
1331        { USB_DEVICE(0x13d3, 0x3400) },
1332        { USB_DEVICE(0x13d3, 0x3401) },
1333        /* Belkin */
1334        { USB_DEVICE(0x050d, 0x1003) },
1335        /* Buffalo */
1336        { USB_DEVICE(0x0411, 0x012e) },
1337        { USB_DEVICE(0x0411, 0x0148) },
1338        { USB_DEVICE(0x0411, 0x0150) },
1339        /* Corega */
1340        { USB_DEVICE(0x07aa, 0x0041) },
1341        { USB_DEVICE(0x07aa, 0x0042) },
1342        { USB_DEVICE(0x18c5, 0x0008) },
1343        /* D-Link */
1344        { USB_DEVICE(0x07d1, 0x3c0b) },
1345        /* Encore */
1346        { USB_DEVICE(0x203d, 0x14a1) },
1347        /* EnGenius */
1348        { USB_DEVICE(0x1740, 0x0600) },
1349        { USB_DEVICE(0x1740, 0x0602) },
1350        /* Gemtek */
1351        { USB_DEVICE(0x15a9, 0x0010) },
1352        /* Gigabyte */
1353        { USB_DEVICE(0x1044, 0x800c) },
1354        /* Hercules */
1355        { USB_DEVICE(0x06f8, 0xe036) },
1356        /* Huawei */
1357        { USB_DEVICE(0x148f, 0xf101) },
1358        /* I-O DATA */
1359        { USB_DEVICE(0x04bb, 0x094b) },
1360        /* LevelOne */
1361        { USB_DEVICE(0x1740, 0x0605) },
1362        { USB_DEVICE(0x1740, 0x0615) },
1363        /* Logitec */
1364        { USB_DEVICE(0x0789, 0x0168) },
1365        { USB_DEVICE(0x0789, 0x0169) },
1366        /* Motorola */
1367        { USB_DEVICE(0x100d, 0x9032) },
1368        /* Pegatron */
1369        { USB_DEVICE(0x05a6, 0x0101) },
1370        { USB_DEVICE(0x1d4d, 0x0010) },
1371        /* Planex */
1372        { USB_DEVICE(0x2019, 0xab24) },
1373        { USB_DEVICE(0x2019, 0xab29) },
1374        /* Qcom */
1375        { USB_DEVICE(0x18e8, 0x6259) },
1376        /* RadioShack */
1377        { USB_DEVICE(0x08b9, 0x1197) },
1378        /* Sitecom */
1379        { USB_DEVICE(0x0df6, 0x003c) },
1380        { USB_DEVICE(0x0df6, 0x004a) },
1381        { USB_DEVICE(0x0df6, 0x004d) },
1382        { USB_DEVICE(0x0df6, 0x0053) },
1383        { USB_DEVICE(0x0df6, 0x0069) },
1384        { USB_DEVICE(0x0df6, 0x006f) },
1385        { USB_DEVICE(0x0df6, 0x0078) },
1386        /* SMC */
1387        { USB_DEVICE(0x083a, 0xa512) },
1388        { USB_DEVICE(0x083a, 0xc522) },
1389        { USB_DEVICE(0x083a, 0xd522) },
1390        { USB_DEVICE(0x083a, 0xf511) },
1391        /* Sweex */
1392        { USB_DEVICE(0x177f, 0x0254) },
1393        /* TP-LINK */
1394        { USB_DEVICE(0xf201, 0x5370) },
1395#endif
1396        { 0, }
1397};
1398
1399MODULE_AUTHOR(DRV_PROJECT);
1400MODULE_VERSION(DRV_VERSION);
1401MODULE_DESCRIPTION("Ralink RT2800 USB Wireless LAN driver.");
1402MODULE_SUPPORTED_DEVICE("Ralink RT2870 USB chipset based cards");
1403MODULE_DEVICE_TABLE(usb, rt2800usb_device_table);
1404MODULE_FIRMWARE(FIRMWARE_RT2870);
1405MODULE_LICENSE("GPL");
1406
1407static int rt2800usb_probe(struct usb_interface *usb_intf,
1408                           const struct usb_device_id *id)
1409{
1410        return rt2x00usb_probe(usb_intf, &rt2800usb_ops);
1411}
1412
1413static struct usb_driver rt2800usb_driver = {
1414        .name           = KBUILD_MODNAME,
1415        .id_table       = rt2800usb_device_table,
1416        .probe          = rt2800usb_probe,
1417        .disconnect     = rt2x00usb_disconnect,
1418        .suspend        = rt2x00usb_suspend,
1419        .resume         = rt2x00usb_resume,
1420        .reset_resume   = rt2x00usb_resume,
1421        .disable_hub_initiated_lpm = 1,
1422};
1423
1424module_usb_driver(rt2800usb_driver);
1425