drivers/net/wireless/rt2x00/rt2800usb.c

   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/init.h>
  33 #include <linux/kernel.h>
  34 #include <linux/module.h>
  35 #include <linux/usb.h>
  36
  37 #include "rt2x00.h"
  38 #include "rt2x00usb.h"
  39 #include "rt2800lib.h"
  40 #include "rt2800.h"
  41 #include "rt2800usb.h"
  42
  43 /*
  44  * Allow hardware encryption to be disabled.
  45  */
  46 static bool modparam_nohwcrypt;
  47 module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
  48 MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
  49
  50 static bool rt2800usb_hwcrypt_disabled(struct rt2x00_dev *rt2x00dev)
  51 {
  52         return modparam_nohwcrypt;
  53 }
  54
  55 /*
  56  * Queue handlers.
  57  */
  58 static void rt2800usb_start_queue(struct data_queue *queue)
  59 {
  60         struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
  61         u32 reg;
  62
  63         switch (queue->qid) {
  64         case QID_RX:
  65                 rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
  66                 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 1);
  67                 rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
  68                 break;
  69         case QID_BEACON:
  70                 rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
  71                 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 1);
  72                 rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 1);
  73                 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 1);
  74                 rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg);
  75                 break;
  76         default:
  77                 break;
  78         }
  79 }
  80
  81 static void rt2800usb_stop_queue(struct data_queue *queue)
  82 {
  83         struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
  84         u32 reg;
  85
  86         switch (queue->qid) {
  87         case QID_RX:
  88                 rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
  89                 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
  90                 rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
  91                 break;
  92         case QID_BEACON:
  93                 rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
  94                 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 0);
  95                 rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 0);
  96                 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
  97                 rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg);
  98                 break;
  99         default:
 100                 break;
 101         }
 102 }
 103
 104 /*
 105  * test if there is an entry in any TX queue for which DMA is done
 106  * but the TX status has not been returned yet
 107  */
 108 static bool rt2800usb_txstatus_pending(struct rt2x00_dev *rt2x00dev)
 109 {
 110         struct data_queue *queue;
 111
 112         tx_queue_for_each(rt2x00dev, queue) {
 113                 if (rt2x00queue_get_entry(queue, Q_INDEX_DMA_DONE) !=
 114                     rt2x00queue_get_entry(queue, Q_INDEX_DONE))
 115                         return true;
 116         }
 117         return false;
 118 }
 119
 120 static inline bool rt2800usb_entry_txstatus_timeout(struct queue_entry *entry)
 121 {
 122         bool tout;
 123
 124         if (!test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))
 125                 return false;
 126
 127         tout = time_after(jiffies, entry->last_action + msecs_to_jiffies(100));
 128         if (unlikely(tout))
 129                 rt2x00_warn(entry->queue->rt2x00dev,
 130                             "TX status timeout for entry %d in queue %d\n",
 131                             entry->entry_idx, entry->queue->qid);
 132         return tout;
 133
 134 }
 135
 136 static bool rt2800usb_txstatus_timeout(struct rt2x00_dev *rt2x00dev)
 137 {
 138         struct data_queue *queue;
 139         struct queue_entry *entry;
 140
 141         tx_queue_for_each(rt2x00dev, queue) {
 142                 entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
 143                 if (rt2800usb_entry_txstatus_timeout(entry))
 144                         return true;
 145         }
 146         return false;
 147 }
 148
 149 #define TXSTATUS_READ_INTERVAL 1000000
 150
 151 static bool rt2800usb_tx_sta_fifo_read_completed(struct rt2x00_dev *rt2x00dev,
 152                                                  int urb_status, u32 tx_status)
 153 {
 154         bool valid;
 155
 156         if (urb_status) {
 157                 rt2x00_warn(rt2x00dev, "TX status read failed %d\n",
 158                             urb_status);
 159
 160                 goto stop_reading;
 161         }
 162
 163         valid = rt2x00_get_field32(tx_status, TX_STA_FIFO_VALID);
 164         if (valid) {
 165                 if (!kfifo_put(&rt2x00dev->txstatus_fifo, tx_status))
 166                         rt2x00_warn(rt2x00dev, "TX status FIFO overrun\n");
 167
 168                 queue_work(rt2x00dev->workqueue, &rt2x00dev->txdone_work);
 169
 170                 /* Reschedule urb to read TX status again instantly */
 171                 return true;
 172         }
 173
 174         /* Check if there is any entry that timedout waiting on TX status */
 175         if (rt2800usb_txstatus_timeout(rt2x00dev))
 176                 queue_work(rt2x00dev->workqueue, &rt2x00dev->txdone_work);
 177
 178         if (rt2800usb_txstatus_pending(rt2x00dev)) {
 179                 /* Read register after 1 ms */
 180                 hrtimer_start(&rt2x00dev->txstatus_timer,
 181                               ktime_set(0, TXSTATUS_READ_INTERVAL),
 182                               HRTIMER_MODE_REL);
 183                 return false;
 184         }
 185
 186 stop_reading:
 187         clear_bit(TX_STATUS_READING, &rt2x00dev->flags);
 188         /*
 189          * There is small race window above, between txstatus pending check and
 190          * clear_bit someone could do rt2x00usb_interrupt_txdone, so recheck
 191          * here again if status reading is needed.
 192          */
 193         if (rt2800usb_txstatus_pending(rt2x00dev) &&
 194             !test_and_set_bit(TX_STATUS_READING, &rt2x00dev->flags))
 195                 return true;
 196         else
 197                 return false;
 198 }
 199
 200 static void rt2800usb_async_read_tx_status(struct rt2x00_dev *rt2x00dev)
 201 {
 202
 203         if (test_and_set_bit(TX_STATUS_READING, &rt2x00dev->flags))
 204                 return;
 205
 206         /* Read TX_STA_FIFO register after 2 ms */
 207         hrtimer_start(&rt2x00dev->txstatus_timer,
 208                       ktime_set(0, 2*TXSTATUS_READ_INTERVAL),
 209                       HRTIMER_MODE_REL);
 210 }
 211
 212 static void rt2800usb_tx_dma_done(struct queue_entry *entry)
 213 {
 214         struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
 215
 216         rt2800usb_async_read_tx_status(rt2x00dev);
 217 }
 218
 219 static enum hrtimer_restart rt2800usb_tx_sta_fifo_timeout(struct hrtimer *timer)
 220 {
 221         struct rt2x00_dev *rt2x00dev =
 222             container_of(timer, struct rt2x00_dev, txstatus_timer);
 223
 224         rt2x00usb_register_read_async(rt2x00dev, TX_STA_FIFO,
 225                                       rt2800usb_tx_sta_fifo_read_completed);
 226
 227         return HRTIMER_NORESTART;
 228 }
 229
 230 /*
 231  * Firmware functions
 232  */
 233 static char *rt2800usb_get_firmware_name(struct rt2x00_dev *rt2x00dev)
 234 {
 235         return FIRMWARE_RT2870;
 236 }
 237
 238 static int rt2800usb_write_firmware(struct rt2x00_dev *rt2x00dev,
 239                                     const u8 *data, const size_t len)
 240 {
 241         int status;
 242         u32 offset;
 243         u32 length;
 244
 245         /*
 246          * Check which section of the firmware we need.
 247          */
 248         if (rt2x00_rt(rt2x00dev, RT2860) ||
 249             rt2x00_rt(rt2x00dev, RT2872) ||
 250             rt2x00_rt(rt2x00dev, RT3070)) {
 251                 offset = 0;
 252                 length = 4096;
 253         } else {
 254                 offset = 4096;
 255                 length = 4096;
 256         }
 257
 258         /*
 259          * Write firmware to device.
 260          */
 261         rt2x00usb_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE,
 262                                       data + offset, length);
 263
 264         rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0);
 265         rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0);
 266
 267         /*
 268          * Send firmware request to device to load firmware,
 269          * we need to specify a long timeout time.
 270          */
 271         status = rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE,
 272                                              0, USB_MODE_FIRMWARE,
 273                                              REGISTER_TIMEOUT_FIRMWARE);
 274         if (status < 0) {
 275                 rt2x00_err(rt2x00dev, "Failed to write Firmware to device\n");
 276                 return status;
 277         }
 278
 279         msleep(10);
 280         rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
 281
 282         return 0;
 283 }
 284
 285 /*
 286  * Device state switch handlers.
 287  */
 288 static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
 289 {
 290         u32 reg;
 291
 292         /*
 293          * Wait until BBP and RF are ready.
 294          */
 295         if (rt2800_wait_csr_ready(rt2x00dev))
 296                 return -EBUSY;
 297
 298         rt2x00usb_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
 299         rt2x00usb_register_write(rt2x00dev, PBF_SYS_CTRL, reg & ~0x00002000);
 300
 301         reg = 0;
 302         rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_CSR, 1);
 303         rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_BBP, 1);
 304         rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
 305
 306         rt2x00usb_register_write(rt2x00dev, USB_DMA_CFG, 0x00000000);
 307
 308         rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0,
 309                                     USB_MODE_RESET, REGISTER_TIMEOUT);
 310
 311         rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
 312
 313         return 0;
 314 }
 315
 316 static int rt2800usb_enable_radio(struct rt2x00_dev *rt2x00dev)
 317 {
 318         u32 reg;
 319
 320         if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev)))
 321                 return -EIO;
 322
 323         rt2x00usb_register_read(rt2x00dev, USB_DMA_CFG, &reg);
 324         rt2x00_set_field32(&reg, USB_DMA_CFG_PHY_CLEAR, 0);
 325         rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_EN, 0);
 326         rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_TIMEOUT, 128);
 327         /*
 328          * Total room for RX frames in kilobytes, PBF might still exceed
 329          * this limit so reduce the number to prevent errors.
 330          */
 331         rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_LIMIT,
 332                            ((rt2x00dev->rx->limit * DATA_FRAME_SIZE)
 333                             / 1024) - 3);
 334         rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_EN, 1);
 335         rt2x00_set_field32(&reg, USB_DMA_CFG_TX_BULK_EN, 1);
 336         rt2x00usb_register_write(rt2x00dev, USB_DMA_CFG, reg);
 337
 338         return rt2800_enable_radio(rt2x00dev);
 339 }
 340
 341 static void rt2800usb_disable_radio(struct rt2x00_dev *rt2x00dev)
 342 {
 343         rt2800_disable_radio(rt2x00dev);
 344         rt2x00usb_disable_radio(rt2x00dev);
 345 }
 346
 347 static int rt2800usb_set_state(struct rt2x00_dev *rt2x00dev,
 348                                enum dev_state state)
 349 {
 350         if (state == STATE_AWAKE)
 351                 rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, 0xff, 0, 2);
 352         else
 353                 rt2800_mcu_request(rt2x00dev, MCU_SLEEP, 0xff, 0xff, 2);
 354
 355         return 0;
 356 }
 357
 358 static int rt2800usb_set_device_state(struct rt2x00_dev *rt2x00dev,
 359                                       enum dev_state state)
 360 {
 361         int retval = 0;
 362
 363         switch (state) {
 364         case STATE_RADIO_ON:
 365                 /*
 366                  * Before the radio can be enabled, the device first has
 367                  * to be woken up. After that it needs a bit of time
 368                  * to be fully awake and then the radio can be enabled.
 369                  */
 370                 rt2800usb_set_state(rt2x00dev, STATE_AWAKE);
 371                 msleep(1);
 372                 retval = rt2800usb_enable_radio(rt2x00dev);
 373                 break;
 374         case STATE_RADIO_OFF:
 375                 /*
 376                  * After the radio has been disabled, the device should
 377                  * be put to sleep for powersaving.
 378                  */
 379                 rt2800usb_disable_radio(rt2x00dev);
 380                 rt2800usb_set_state(rt2x00dev, STATE_SLEEP);
 381                 break;
 382         case STATE_RADIO_IRQ_ON:
 383         case STATE_RADIO_IRQ_OFF:
 384                 /* No support, but no error either */
 385                 break;
 386         case STATE_DEEP_SLEEP:
 387         case STATE_SLEEP:
 388         case STATE_STANDBY:
 389         case STATE_AWAKE:
 390                 retval = rt2800usb_set_state(rt2x00dev, state);
 391                 break;
 392         default:
 393                 retval = -ENOTSUPP;
 394                 break;
 395         }
 396
 397         if (unlikely(retval))
 398                 rt2x00_err(rt2x00dev, "Device failed to enter state %d (%d)\n",
 399                            state, retval);
 400
 401         return retval;
 402 }
 403
 404 /*
 405  * Watchdog handlers
 406  */
 407 static void rt2800usb_watchdog(struct rt2x00_dev *rt2x00dev)
 408 {
 409         unsigned int i;
 410         u32 reg;
 411
 412         rt2x00usb_register_read(rt2x00dev, TXRXQ_PCNT, &reg);
 413         if (rt2x00_get_field32(reg, TXRXQ_PCNT_TX0Q)) {
 414                 rt2x00_warn(rt2x00dev, "TX HW queue 0 timed out, invoke forced kick\n");
 415
 416                 rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40012);
 417
 418                 for (i = 0; i < 10; i++) {
 419                         udelay(10);
 420                         if (!rt2x00_get_field32(reg, TXRXQ_PCNT_TX0Q))
 421                                 break;
 422                 }
 423
 424                 rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40006);
 425         }
 426
 427         rt2x00usb_register_read(rt2x00dev, TXRXQ_PCNT, &reg);
 428         if (rt2x00_get_field32(reg, TXRXQ_PCNT_TX1Q)) {
 429                 rt2x00_warn(rt2x00dev, "TX HW queue 1 timed out, invoke forced kick\n");
 430
 431                 rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf4000a);
 432
 433                 for (i = 0; i < 10; i++) {
 434                         udelay(10);
 435                         if (!rt2x00_get_field32(reg, TXRXQ_PCNT_TX1Q))
 436                                 break;
 437                 }
 438
 439                 rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40006);
 440         }
 441
 442         rt2x00usb_watchdog(rt2x00dev);
 443 }
 444
 445 /*
 446  * TX descriptor initialization
 447  */
 448 static __le32 *rt2800usb_get_txwi(struct queue_entry *entry)
 449 {
 450         if (entry->queue->qid == QID_BEACON)
 451                 return (__le32 *) (entry->skb->data);
 452         else
 453                 return (__le32 *) (entry->skb->data + TXINFO_DESC_SIZE);
 454 }
 455
 456 static void rt2800usb_write_tx_desc(struct queue_entry *entry,
 457                                     struct txentry_desc *txdesc)
 458 {
 459         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
 460         __le32 *txi = (__le32 *) entry->skb->data;
 461         u32 word;
 462
 463         /*
 464          * Initialize TXINFO descriptor
 465          */
 466         rt2x00_desc_read(txi, 0, &word);
 467
 468         /*
 469          * The size of TXINFO_W0_USB_DMA_TX_PKT_LEN is
 470          * TXWI + 802.11 header + L2 pad + payload + pad,
 471          * so need to decrease size of TXINFO.
 472          */
 473         rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_PKT_LEN,
 474                            roundup(entry->skb->len, 4) - TXINFO_DESC_SIZE);
 475         rt2x00_set_field32(&word, TXINFO_W0_WIV,
 476                            !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags));
 477         rt2x00_set_field32(&word, TXINFO_W0_QSEL, 2);
 478         rt2x00_set_field32(&word, TXINFO_W0_SW_USE_LAST_ROUND, 0);
 479         rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_NEXT_VALID, 0);
 480         rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_BURST,
 481                            test_bit(ENTRY_TXD_BURST, &txdesc->flags));
 482         rt2x00_desc_write(txi, 0, word);
 483
 484         /*
 485          * Register descriptor details in skb frame descriptor.
 486          */
 487         skbdesc->flags |= SKBDESC_DESC_IN_SKB;
 488         skbdesc->desc = txi;
 489         skbdesc->desc_len = TXINFO_DESC_SIZE + entry->queue->winfo_size;
 490 }
 491
 492 /*
 493  * TX data initialization
 494  */
 495 static int rt2800usb_get_tx_data_len(struct queue_entry *entry)
 496 {
 497         /*
 498          * pad(1~3 bytes) is needed after each 802.11 payload.
 499          * USB end pad(4 bytes) is needed at each USB bulk out packet end.
 500          * TX frame format is :
 501          * | TXINFO | TXWI | 802.11 header | L2 pad | payload | pad | USB end pad |
 502          *                 |<------------- tx_pkt_len ------------->|
 503          */
 504
 505         return roundup(entry->skb->len, 4) + 4;
 506 }
 507
 508 /*
 509  * TX control handlers
 510  */
 511 static enum txdone_entry_desc_flags
 512 rt2800usb_txdone_entry_check(struct queue_entry *entry, u32 reg)
 513 {
 514         __le32 *txwi;
 515         u32 word;
 516         int wcid, ack, pid;
 517         int tx_wcid, tx_ack, tx_pid, is_agg;
 518
 519         /*
 520          * This frames has returned with an IO error,
 521          * so the status report is not intended for this
 522          * frame.
 523          */
 524         if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags))
 525                 return TXDONE_FAILURE;
 526
 527         wcid    = rt2x00_get_field32(reg, TX_STA_FIFO_WCID);
 528         ack     = rt2x00_get_field32(reg, TX_STA_FIFO_TX_ACK_REQUIRED);
 529         pid     = rt2x00_get_field32(reg, TX_STA_FIFO_PID_TYPE);
 530         is_agg  = rt2x00_get_field32(reg, TX_STA_FIFO_TX_AGGRE);
 531
 532         /*
 533          * Validate if this TX status report is intended for
 534          * this entry by comparing the WCID/ACK/PID fields.
 535          */
 536         txwi = rt2800usb_get_txwi(entry);
 537
 538         rt2x00_desc_read(txwi, 1, &word);
 539         tx_wcid = rt2x00_get_field32(word, TXWI_W1_WIRELESS_CLI_ID);
 540         tx_ack  = rt2x00_get_field32(word, TXWI_W1_ACK);
 541         tx_pid  = rt2x00_get_field32(word, TXWI_W1_PACKETID);
 542
 543         if (wcid != tx_wcid || ack != tx_ack || (!is_agg && pid != tx_pid)) {
 544                 rt2x00_dbg(entry->queue->rt2x00dev,
 545                            "TX status report missed for queue %d entry %d\n",
 546                            entry->queue->qid, entry->entry_idx);
 547                 return TXDONE_UNKNOWN;
 548         }
 549
 550         return TXDONE_SUCCESS;
 551 }
 552
 553 static void rt2800usb_txdone(struct rt2x00_dev *rt2x00dev)
 554 {
 555         struct data_queue *queue;
 556         struct queue_entry *entry;
 557         u32 reg;
 558         u8 qid;
 559         enum txdone_entry_desc_flags done_status;
 560
 561         while (kfifo_get(&rt2x00dev->txstatus_fifo, &reg)) {
 562                 /*
 563                  * TX_STA_FIFO_PID_QUEUE is a 2-bit field, thus qid is
 564                  * guaranteed to be one of the TX QIDs .
 565                  */
 566                 qid = rt2x00_get_field32(reg, TX_STA_FIFO_PID_QUEUE);
 567                 queue = rt2x00queue_get_tx_queue(rt2x00dev, qid);
 568
 569                 if (unlikely(rt2x00queue_empty(queue))) {
 570                         rt2x00_warn(rt2x00dev, "Got TX status for an empty queue %u, dropping\n",
 571                                     qid);
 572                         break;
 573                 }
 574
 575                 entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
 576
 577                 if (unlikely(test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags) ||
 578                              !test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))) {
 579                         rt2x00_warn(rt2x00dev, "Data pending for entry %u in queue %u\n",
 580                                     entry->entry_idx, qid);
 581                         break;
 582                 }
 583
 584                 done_status = rt2800usb_txdone_entry_check(entry, reg);
 585                 if (likely(done_status == TXDONE_SUCCESS))
 586                         rt2800_txdone_entry(entry, reg, rt2800usb_get_txwi(entry));
 587                 else
 588                         rt2x00lib_txdone_noinfo(entry, done_status);
 589         }
 590 }
 591
 592 static void rt2800usb_txdone_nostatus(struct rt2x00_dev *rt2x00dev)
 593 {
 594         struct data_queue *queue;
 595         struct queue_entry *entry;
 596
 597         /*
 598          * Process any trailing TX status reports for IO failures,
 599          * we loop until we find the first non-IO error entry. This
 600          * can either be a frame which is free, is being uploaded,
 601          * or has completed the upload but didn't have an entry
 602          * in the TX_STAT_FIFO register yet.
 603          */
 604         tx_queue_for_each(rt2x00dev, queue) {
 605                 while (!rt2x00queue_empty(queue)) {
 606                         entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
 607
 608                         if (test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags) ||
 609                             !test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))
 610                                 break;
 611
 612                         if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags))
 613                                 rt2x00lib_txdone_noinfo(entry, TXDONE_FAILURE);
 614                         else if (rt2800usb_entry_txstatus_timeout(entry))
 615                                 rt2x00lib_txdone_noinfo(entry, TXDONE_UNKNOWN);
 616                         else
 617                                 break;
 618                 }
 619         }
 620 }
 621
 622 static void rt2800usb_work_txdone(struct work_struct *work)
 623 {
 624         struct rt2x00_dev *rt2x00dev =
 625             container_of(work, struct rt2x00_dev, txdone_work);
 626
 627         while (!kfifo_is_empty(&rt2x00dev->txstatus_fifo) ||
 628                rt2800usb_txstatus_timeout(rt2x00dev)) {
 629
 630                 rt2800usb_txdone(rt2x00dev);
 631
 632                 rt2800usb_txdone_nostatus(rt2x00dev);
 633
 634                 /*
 635                  * The hw may delay sending the packet after DMA complete
 636                  * if the medium is busy, thus the TX_STA_FIFO entry is
 637                  * also delayed -> use a timer to retrieve it.
 638                  */
 639                 if (rt2800usb_txstatus_pending(rt2x00dev))
 640                         rt2800usb_async_read_tx_status(rt2x00dev);
 641         }
 642 }
 643
 644 /*
 645  * RX control handlers
 646  */
 647 static void rt2800usb_fill_rxdone(struct queue_entry *entry,
 648                                   struct rxdone_entry_desc *rxdesc)
 649 {
 650         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
 651         __le32 *rxi = (__le32 *)entry->skb->data;
 652         __le32 *rxd;
 653         u32 word;
 654         int rx_pkt_len;
 655
 656         /*
 657          * Copy descriptor to the skbdesc->desc buffer, making it safe from
 658          * moving of frame data in rt2x00usb.
 659          */
 660         memcpy(skbdesc->desc, rxi, skbdesc->desc_len);
 661
 662         /*
 663          * RX frame format is :
 664          * | RXINFO | RXWI | header | L2 pad | payload | pad | RXD | USB pad |
 665          *          |<------------ rx_pkt_len -------------->|
 666          */
 667         rt2x00_desc_read(rxi, 0, &word);
 668         rx_pkt_len = rt2x00_get_field32(word, RXINFO_W0_USB_DMA_RX_PKT_LEN);
 669
 670         /*
 671          * Remove the RXINFO structure from the sbk.
 672          */
 673         skb_pull(entry->skb, RXINFO_DESC_SIZE);
 674
 675         /*
 676          * Check for rx_pkt_len validity. Return if invalid, leaving
 677          * rxdesc->size zeroed out by the upper level.
 678          */
 679         if (unlikely(rx_pkt_len == 0 ||
 680                         rx_pkt_len > entry->queue->data_size)) {
 681                 rt2x00_err(entry->queue->rt2x00dev,
 682                            "Bad frame size %d, forcing to 0\n", rx_pkt_len);
 683                 return;
 684         }
 685
 686         rxd = (__le32 *)(entry->skb->data + rx_pkt_len);
 687
 688         /*
 689          * It is now safe to read the descriptor on all architectures.
 690          */
 691         rt2x00_desc_read(rxd, 0, &word);
 692
 693         if (rt2x00_get_field32(word, RXD_W0_CRC_ERROR))
 694                 rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
 695
 696         rxdesc->cipher_status = rt2x00_get_field32(word, RXD_W0_CIPHER_ERROR);
 697
 698         if (rt2x00_get_field32(word, RXD_W0_DECRYPTED)) {
 699                 /*
 700                  * Hardware has stripped IV/EIV data from 802.11 frame during
 701                  * decryption. Unfortunately the descriptor doesn't contain
 702                  * any fields with the EIV/IV data either, so they can't
 703                  * be restored by rt2x00lib.
 704                  */
 705                 rxdesc->flags |= RX_FLAG_IV_STRIPPED;
 706
 707                 /*
 708                  * The hardware has already checked the Michael Mic and has
 709                  * stripped it from the frame. Signal this to mac80211.
 710                  */
 711                 rxdesc->flags |= RX_FLAG_MMIC_STRIPPED;
 712
 713                 if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS)
 714                         rxdesc->flags |= RX_FLAG_DECRYPTED;
 715                 else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC)
 716                         rxdesc->flags |= RX_FLAG_MMIC_ERROR;
 717         }
 718
 719         if (rt2x00_get_field32(word, RXD_W0_MY_BSS))
 720                 rxdesc->dev_flags |= RXDONE_MY_BSS;
 721
 722         if (rt2x00_get_field32(word, RXD_W0_L2PAD))
 723                 rxdesc->dev_flags |= RXDONE_L2PAD;
 724
 725         /*
 726          * Remove RXD descriptor from end of buffer.
 727          */
 728         skb_trim(entry->skb, rx_pkt_len);
 729
 730         /*
 731          * Process the RXWI structure.
 732          */
 733         rt2800_process_rxwi(entry, rxdesc);
 734 }
 735
 736 /*
 737  * Device probe functions.
 738  */
 739 static int rt2800usb_read_eeprom(struct rt2x00_dev *rt2x00dev)
 740 {
 741         int retval;
 742
 743         if (rt2800_efuse_detect(rt2x00dev))
 744                 retval = rt2800_read_eeprom_efuse(rt2x00dev);
 745         else
 746                 retval = rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom,
 747                                                EEPROM_SIZE);
 748
 749         return retval;
 750 }
 751
 752 static int rt2800usb_probe_hw(struct rt2x00_dev *rt2x00dev)
 753 {
 754         int retval;
 755
 756         retval = rt2800_probe_hw(rt2x00dev);
 757         if (retval)
 758                 return retval;
 759
 760         /*
 761          * Set txstatus timer function.
 762          */
 763         rt2x00dev->txstatus_timer.function = rt2800usb_tx_sta_fifo_timeout;
 764
 765         /*
 766          * Overwrite TX done handler
 767          */
 768         PREPARE_WORK(&rt2x00dev->txdone_work, rt2800usb_work_txdone);
 769
 770         return 0;
 771 }
 772
 773 static const struct ieee80211_ops rt2800usb_mac80211_ops = {
 774         .tx                     = rt2x00mac_tx,
 775         .start                  = rt2x00mac_start,
 776         .stop                   = rt2x00mac_stop,
 777         .add_interface          = rt2x00mac_add_interface,
 778         .remove_interface       = rt2x00mac_remove_interface,
 779         .config                 = rt2x00mac_config,
 780         .configure_filter       = rt2x00mac_configure_filter,
 781         .set_tim                = rt2x00mac_set_tim,
 782         .set_key                = rt2x00mac_set_key,
 783         .sw_scan_start          = rt2x00mac_sw_scan_start,
 784         .sw_scan_complete       = rt2x00mac_sw_scan_complete,
 785         .get_stats              = rt2x00mac_get_stats,
 786         .get_tkip_seq           = rt2800_get_tkip_seq,
 787         .set_rts_threshold      = rt2800_set_rts_threshold,
 788         .sta_add                = rt2x00mac_sta_add,
 789         .sta_remove             = rt2x00mac_sta_remove,
 790         .bss_info_changed       = rt2x00mac_bss_info_changed,
 791         .conf_tx                = rt2800_conf_tx,
 792         .get_tsf                = rt2800_get_tsf,
 793         .rfkill_poll            = rt2x00mac_rfkill_poll,
 794         .ampdu_action           = rt2800_ampdu_action,
 795         .flush                  = rt2x00mac_flush,
 796         .get_survey             = rt2800_get_survey,
 797         .get_ringparam          = rt2x00mac_get_ringparam,
 798         .tx_frames_pending      = rt2x00mac_tx_frames_pending,
 799 };
 800
 801 static const struct rt2800_ops rt2800usb_rt2800_ops = {
 802         .register_read          = rt2x00usb_register_read,
 803         .register_read_lock     = rt2x00usb_register_read_lock,
 804         .register_write         = rt2x00usb_register_write,
 805         .register_write_lock    = rt2x00usb_register_write_lock,
 806         .register_multiread     = rt2x00usb_register_multiread,
 807         .register_multiwrite    = rt2x00usb_register_multiwrite,
 808         .regbusy_read           = rt2x00usb_regbusy_read,
 809         .read_eeprom            = rt2800usb_read_eeprom,
 810         .hwcrypt_disabled       = rt2800usb_hwcrypt_disabled,
 811         .drv_write_firmware     = rt2800usb_write_firmware,
 812         .drv_init_registers     = rt2800usb_init_registers,
 813         .drv_get_txwi           = rt2800usb_get_txwi,
 814 };
 815
 816 static const struct rt2x00lib_ops rt2800usb_rt2x00_ops = {
 817         .probe_hw               = rt2800usb_probe_hw,
 818         .get_firmware_name      = rt2800usb_get_firmware_name,
 819         .check_firmware         = rt2800_check_firmware,
 820         .load_firmware          = rt2800_load_firmware,
 821         .initialize             = rt2x00usb_initialize,
 822         .uninitialize           = rt2x00usb_uninitialize,
 823         .clear_entry            = rt2x00usb_clear_entry,
 824         .set_device_state       = rt2800usb_set_device_state,
 825         .rfkill_poll            = rt2800_rfkill_poll,
 826         .link_stats             = rt2800_link_stats,
 827         .reset_tuner            = rt2800_reset_tuner,
 828         .link_tuner             = rt2800_link_tuner,
 829         .gain_calibration       = rt2800_gain_calibration,
 830         .vco_calibration        = rt2800_vco_calibration,
 831         .watchdog               = rt2800usb_watchdog,
 832         .start_queue            = rt2800usb_start_queue,
 833         .kick_queue             = rt2x00usb_kick_queue,
 834         .stop_queue             = rt2800usb_stop_queue,
 835         .flush_queue            = rt2x00usb_flush_queue,
 836         .tx_dma_done            = rt2800usb_tx_dma_done,
 837         .write_tx_desc          = rt2800usb_write_tx_desc,
 838         .write_tx_data          = rt2800_write_tx_data,
 839         .write_beacon           = rt2800_write_beacon,
 840         .clear_beacon           = rt2800_clear_beacon,
 841         .get_tx_data_len        = rt2800usb_get_tx_data_len,
 842         .fill_rxdone            = rt2800usb_fill_rxdone,
 843         .config_shared_key      = rt2800_config_shared_key,
 844         .config_pairwise_key    = rt2800_config_pairwise_key,
 845         .config_filter          = rt2800_config_filter,
 846         .config_intf            = rt2800_config_intf,
 847         .config_erp             = rt2800_config_erp,
 848         .config_ant             = rt2800_config_ant,
 849         .config                 = rt2800_config,
 850         .sta_add                = rt2800_sta_add,
 851         .sta_remove             = rt2800_sta_remove,
 852 };
 853
 854 static void rt2800usb_queue_init(struct data_queue *queue)
 855 {
 856         struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
 857         unsigned short txwi_size, rxwi_size;
 858
 859         rt2800_get_txwi_rxwi_size(rt2x00dev, &txwi_size, &rxwi_size);
 860
 861         switch (queue->qid) {
 862         case QID_RX:
 863                 queue->limit = 128;
 864                 queue->data_size = AGGREGATION_SIZE;
 865                 queue->desc_size = RXINFO_DESC_SIZE;
 866                 queue->winfo_size = rxwi_size;
 867                 queue->priv_size = sizeof(struct queue_entry_priv_usb);
 868                 break;
 869
 870         case QID_AC_VO:
 871         case QID_AC_VI:
 872         case QID_AC_BE:
 873         case QID_AC_BK:
 874                 queue->limit = 16;
 875                 queue->data_size = AGGREGATION_SIZE;
 876                 queue->desc_size = TXINFO_DESC_SIZE;
 877                 queue->winfo_size = txwi_size;
 878                 queue->priv_size = sizeof(struct queue_entry_priv_usb);
 879                 break;
 880
 881         case QID_BEACON:
 882                 queue->limit = 8;
 883                 queue->data_size = MGMT_FRAME_SIZE;
 884                 queue->desc_size = TXINFO_DESC_SIZE;
 885                 queue->winfo_size = txwi_size;
 886                 queue->priv_size = sizeof(struct queue_entry_priv_usb);
 887                 break;
 888
 889         case QID_ATIM:
 890                 /* fallthrough */
 891         default:
 892                 BUG();
 893                 break;
 894         }
 895 }
 896
 897 static const struct rt2x00_ops rt2800usb_ops = {
 898         .name                   = KBUILD_MODNAME,
 899         .drv_data_size          = sizeof(struct rt2800_drv_data),
 900         .max_ap_intf            = 8,
 901         .eeprom_size            = EEPROM_SIZE,
 902         .rf_size                = RF_SIZE,
 903         .tx_queues              = NUM_TX_QUEUES,
 904         .queue_init             = rt2800usb_queue_init,
 905         .lib                    = &rt2800usb_rt2x00_ops,
 906         .drv                    = &rt2800usb_rt2800_ops,
 907         .hw                     = &rt2800usb_mac80211_ops,
 908 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
 909         .debugfs                = &rt2800_rt2x00debug,
 910 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
 911 };
 912
 913 /*
 914  * rt2800usb module information.
 915  */
 916 static struct usb_device_id rt2800usb_device_table[] = {
 917         /* Abocom */
 918         { USB_DEVICE(0x07b8, 0x2870) },
 919         { USB_DEVICE(0x07b8, 0x2770) },
 920         { USB_DEVICE(0x07b8, 0x3070) },
 921         { USB_DEVICE(0x07b8, 0x3071) },
 922         { USB_DEVICE(0x07b8, 0x3072) },
 923         { USB_DEVICE(0x1482, 0x3c09) },
 924         /* AirTies */
 925         { USB_DEVICE(0x1eda, 0x2012) },
 926         { USB_DEVICE(0x1eda, 0x2210) },
 927         { USB_DEVICE(0x1eda, 0x2310) },
 928         /* Allwin */
 929         { USB_DEVICE(0x8516, 0x2070) },
 930         { USB_DEVICE(0x8516, 0x2770) },
 931         { USB_DEVICE(0x8516, 0x2870) },
 932         { USB_DEVICE(0x8516, 0x3070) },
 933         { USB_DEVICE(0x8516, 0x3071) },
 934         { USB_DEVICE(0x8516, 0x3072) },
 935         /* Alpha Networks */
 936         { USB_DEVICE(0x14b2, 0x3c06) },
 937         { USB_DEVICE(0x14b2, 0x3c07) },
 938         { USB_DEVICE(0x14b2, 0x3c09) },
 939         { USB_DEVICE(0x14b2, 0x3c12) },
 940         { USB_DEVICE(0x14b2, 0x3c23) },
 941         { USB_DEVICE(0x14b2, 0x3c25) },
 942         { USB_DEVICE(0x14b2, 0x3c27) },
 943         { USB_DEVICE(0x14b2, 0x3c28) },
 944         { USB_DEVICE(0x14b2, 0x3c2c) },
 945         /* Amit */
 946         { USB_DEVICE(0x15c5, 0x0008) },
 947         /* Askey */
 948         { USB_DEVICE(0x1690, 0x0740) },
 949         /* ASUS */
 950         { USB_DEVICE(0x0b05, 0x1731) },
 951         { USB_DEVICE(0x0b05, 0x1732) },
 952         { USB_DEVICE(0x0b05, 0x1742) },
 953         { USB_DEVICE(0x0b05, 0x1784) },
 954         { USB_DEVICE(0x1761, 0x0b05) },
 955         /* AzureWave */
 956         { USB_DEVICE(0x13d3, 0x3247) },
 957         { USB_DEVICE(0x13d3, 0x3273) },
 958         { USB_DEVICE(0x13d3, 0x3305) },
 959         { USB_DEVICE(0x13d3, 0x3307) },
 960         { USB_DEVICE(0x13d3, 0x3321) },
 961         /* Belkin */
 962         { USB_DEVICE(0x050d, 0x8053) },
 963         { USB_DEVICE(0x050d, 0x805c) },
 964         { USB_DEVICE(0x050d, 0x815c) },
 965         { USB_DEVICE(0x050d, 0x825a) },
 966         { USB_DEVICE(0x050d, 0x825b) },
 967         { USB_DEVICE(0x050d, 0x935a) },
 968         { USB_DEVICE(0x050d, 0x935b) },
 969         /* Buffalo */
 970         { USB_DEVICE(0x0411, 0x00e8) },
 971         { USB_DEVICE(0x0411, 0x0158) },
 972         { USB_DEVICE(0x0411, 0x015d) },
 973         { USB_DEVICE(0x0411, 0x016f) },
 974         { USB_DEVICE(0x0411, 0x01a2) },
 975         { USB_DEVICE(0x0411, 0x01ee) },
 976         { USB_DEVICE(0x0411, 0x01a8) },
 977         /* Corega */
 978         { USB_DEVICE(0x07aa, 0x002f) },
 979         { USB_DEVICE(0x07aa, 0x003c) },
 980         { USB_DEVICE(0x07aa, 0x003f) },
 981         { USB_DEVICE(0x18c5, 0x0012) },
 982         /* D-Link */
 983         { USB_DEVICE(0x07d1, 0x3c09) },
 984         { USB_DEVICE(0x07d1, 0x3c0a) },
 985         { USB_DEVICE(0x07d1, 0x3c0d) },
 986         { USB_DEVICE(0x07d1, 0x3c0e) },
 987         { USB_DEVICE(0x07d1, 0x3c0f) },
 988         { USB_DEVICE(0x07d1, 0x3c11) },
 989         { USB_DEVICE(0x07d1, 0x3c13) },
 990         { USB_DEVICE(0x07d1, 0x3c15) },
 991         { USB_DEVICE(0x07d1, 0x3c16) },
 992         { USB_DEVICE(0x07d1, 0x3c17) },
 993         { USB_DEVICE(0x2001, 0x3c1b) },
 994         /* Draytek */
 995         { USB_DEVICE(0x07fa, 0x7712) },
 996         /* DVICO */
 997         { USB_DEVICE(0x0fe9, 0xb307) },
 998         /* Edimax */
 999         { USB_DEVICE(0x7392, 0x4085) },
1000         { USB_DEVICE(0x7392, 0x7711) },
1001         { USB_DEVICE(0x7392, 0x7717) },
1002         { USB_DEVICE(0x7392, 0x7718) },
1003         { USB_DEVICE(0x7392, 0x7722) },
1004         /* Encore */
1005         { USB_DEVICE(0x203d, 0x1480) },
1006         { USB_DEVICE(0x203d, 0x14a9) },
1007         /* EnGenius */
1008         { USB_DEVICE(0x1740, 0x9701) },
1009         { USB_DEVICE(0x1740, 0x9702) },
1010         { USB_DEVICE(0x1740, 0x9703) },
1011         { USB_DEVICE(0x1740, 0x9705) },
1012         { USB_DEVICE(0x1740, 0x9706) },
1013         { USB_DEVICE(0x1740, 0x9707) },
1014         { USB_DEVICE(0x1740, 0x9708) },
1015         { USB_DEVICE(0x1740, 0x9709) },
1016         /* Gemtek */
1017         { USB_DEVICE(0x15a9, 0x0012) },
1018         /* Gigabyte */
1019         { USB_DEVICE(0x1044, 0x800b) },
1020         { USB_DEVICE(0x1044, 0x800d) },
1021         /* Hawking */
1022         { USB_DEVICE(0x0e66, 0x0001) },
1023         { USB_DEVICE(0x0e66, 0x0003) },
1024         { USB_DEVICE(0x0e66, 0x0009) },
1025         { USB_DEVICE(0x0e66, 0x000b) },
1026         { USB_DEVICE(0x0e66, 0x0013) },
1027         { USB_DEVICE(0x0e66, 0x0017) },
1028         { USB_DEVICE(0x0e66, 0x0018) },
1029         /* I-O DATA */
1030         { USB_DEVICE(0x04bb, 0x0945) },
1031         { USB_DEVICE(0x04bb, 0x0947) },
1032         { USB_DEVICE(0x04bb, 0x0948) },
1033         /* Linksys */
1034         { USB_DEVICE(0x13b1, 0x0031) },
1035         { USB_DEVICE(0x1737, 0x0070) },
1036         { USB_DEVICE(0x1737, 0x0071) },
1037         { USB_DEVICE(0x1737, 0x0077) },
1038         { USB_DEVICE(0x1737, 0x0078) },
1039         /* Logitec */
1040         { USB_DEVICE(0x0789, 0x0162) },
1041         { USB_DEVICE(0x0789, 0x0163) },
1042         { USB_DEVICE(0x0789, 0x0164) },
1043         { USB_DEVICE(0x0789, 0x0166) },
1044         /* Motorola */
1045         { USB_DEVICE(0x100d, 0x9031) },
1046         /* MSI */
1047         { USB_DEVICE(0x0db0, 0x3820) },
1048         { USB_DEVICE(0x0db0, 0x3821) },
1049         { USB_DEVICE(0x0db0, 0x3822) },
1050         { USB_DEVICE(0x0db0, 0x3870) },
1051         { USB_DEVICE(0x0db0, 0x3871) },
1052         { USB_DEVICE(0x0db0, 0x6899) },
1053         { USB_DEVICE(0x0db0, 0x821a) },
1054         { USB_DEVICE(0x0db0, 0x822a) },
1055         { USB_DEVICE(0x0db0, 0x822b) },
1056         { USB_DEVICE(0x0db0, 0x822c) },
1057         { USB_DEVICE(0x0db0, 0x870a) },
1058         { USB_DEVICE(0x0db0, 0x871a) },
1059         { USB_DEVICE(0x0db0, 0x871b) },
1060         { USB_DEVICE(0x0db0, 0x871c) },
1061         { USB_DEVICE(0x0db0, 0x899a) },
1062         /* Ovislink */
1063         { USB_DEVICE(0x1b75, 0x3071) },
1064         { USB_DEVICE(0x1b75, 0x3072) },
1065         /* Para */
1066         { USB_DEVICE(0x20b8, 0x8888) },
1067         /* Pegatron */
1068         { USB_DEVICE(0x1d4d, 0x0002) },
1069         { USB_DEVICE(0x1d4d, 0x000c) },
1070         { USB_DEVICE(0x1d4d, 0x000e) },
1071         { USB_DEVICE(0x1d4d, 0x0011) },
1072         /* Philips */
1073         { USB_DEVICE(0x0471, 0x200f) },
1074         /* Planex */
1075         { USB_DEVICE(0x2019, 0x5201) },
1076         { USB_DEVICE(0x2019, 0xab25) },
1077         { USB_DEVICE(0x2019, 0xed06) },
1078         /* Quanta */
1079         { USB_DEVICE(0x1a32, 0x0304) },
1080         /* Ralink */
1081         { USB_DEVICE(0x148f, 0x2070) },
1082         { USB_DEVICE(0x148f, 0x2770) },
1083         { USB_DEVICE(0x148f, 0x2870) },
1084         { USB_DEVICE(0x148f, 0x3070) },
1085         { USB_DEVICE(0x148f, 0x3071) },
1086         { USB_DEVICE(0x148f, 0x3072) },
1087         /* Samsung */
1088         { USB_DEVICE(0x04e8, 0x2018) },
1089         /* Siemens */
1090         { USB_DEVICE(0x129b, 0x1828) },
1091         /* Sitecom */
1092         { USB_DEVICE(0x0df6, 0x0017) },
1093         { USB_DEVICE(0x0df6, 0x002b) },
1094         { USB_DEVICE(0x0df6, 0x002c) },
1095         { USB_DEVICE(0x0df6, 0x002d) },
1096         { USB_DEVICE(0x0df6, 0x0039) },
1097         { USB_DEVICE(0x0df6, 0x003b) },
1098         { USB_DEVICE(0x0df6, 0x003d) },
1099         { USB_DEVICE(0x0df6, 0x003e) },
1100         { USB_DEVICE(0x0df6, 0x003f) },
1101         { USB_DEVICE(0x0df6, 0x0040) },
1102         { USB_DEVICE(0x0df6, 0x0042) },
1103         { USB_DEVICE(0x0df6, 0x0047) },
1104         { USB_DEVICE(0x0df6, 0x0048) },
1105         { USB_DEVICE(0x0df6, 0x0051) },
1106         { USB_DEVICE(0x0df6, 0x005f) },
1107         { USB_DEVICE(0x0df6, 0x0060) },
1108         /* SMC */
1109         { USB_DEVICE(0x083a, 0x6618) },
1110         { USB_DEVICE(0x083a, 0x7511) },
1111         { USB_DEVICE(0x083a, 0x7512) },
1112         { USB_DEVICE(0x083a, 0x7522) },
1113         { USB_DEVICE(0x083a, 0x8522) },
1114         { USB_DEVICE(0x083a, 0xa618) },
1115         { USB_DEVICE(0x083a, 0xa701) },
1116         { USB_DEVICE(0x083a, 0xa702) },
1117         { USB_DEVICE(0x083a, 0xa703) },
1118         { USB_DEVICE(0x083a, 0xb522) },
1119         /* Sparklan */
1120         { USB_DEVICE(0x15a9, 0x0006) },
1121         /* Sweex */
1122         { USB_DEVICE(0x177f, 0x0153) },
1123         { USB_DEVICE(0x177f, 0x0164) },
1124         { USB_DEVICE(0x177f, 0x0302) },
1125         { USB_DEVICE(0x177f, 0x0313) },
1126         { USB_DEVICE(0x177f, 0x0323) },
1127         { USB_DEVICE(0x177f, 0x0324) },
1128         /* U-Media */
1129         { USB_DEVICE(0x157e, 0x300e) },
1130         { USB_DEVICE(0x157e, 0x3013) },
1131         /* ZCOM */
1132         { USB_DEVICE(0x0cde, 0x0022) },
1133         { USB_DEVICE(0x0cde, 0x0025) },
1134         /* Zinwell */
1135         { USB_DEVICE(0x5a57, 0x0280) },
1136         { USB_DEVICE(0x5a57, 0x0282) },
1137         { USB_DEVICE(0x5a57, 0x0283) },
1138         { USB_DEVICE(0x5a57, 0x5257) },
1139         /* Zyxel */
1140         { USB_DEVICE(0x0586, 0x3416) },
1141         { USB_DEVICE(0x0586, 0x3418) },
1142         { USB_DEVICE(0x0586, 0x341a) },
1143         { USB_DEVICE(0x0586, 0x341e) },
1144         { USB_DEVICE(0x0586, 0x343e) },
1145 #ifdef CONFIG_RT2800USB_RT33XX
1146         /* Belkin */
1147         { USB_DEVICE(0x050d, 0x945b) },
1148         /* D-Link */
1149         { USB_DEVICE(0x2001, 0x3c17) },
1150         /* Panasonic */
1151         { USB_DEVICE(0x083a, 0xb511) },
1152         /* Philips */
1153         { USB_DEVICE(0x0471, 0x20dd) },
1154         /* Ralink */
1155         { USB_DEVICE(0x148f, 0x3370) },
1156         { USB_DEVICE(0x148f, 0x8070) },
1157         /* Sitecom */
1158         { USB_DEVICE(0x0df6, 0x0050) },
1159         /* Sweex */
1160         { USB_DEVICE(0x177f, 0x0163) },
1161         { USB_DEVICE(0x177f, 0x0165) },
1162 #endif
1163 #ifdef CONFIG_RT2800USB_RT35XX
1164         /* Allwin */
1165         { USB_DEVICE(0x8516, 0x3572) },
1166         /* Askey */
1167         { USB_DEVICE(0x1690, 0x0744) },
1168         { USB_DEVICE(0x1690, 0x0761) },
1169         { USB_DEVICE(0x1690, 0x0764) },
1170         /* ASUS */
1171         { USB_DEVICE(0x0b05, 0x179d) },
1172         /* Cisco */
1173         { USB_DEVICE(0x167b, 0x4001) },
1174         /* EnGenius */
1175         { USB_DEVICE(0x1740, 0x9801) },
1176         /* I-O DATA */
1177         { USB_DEVICE(0x04bb, 0x0944) },
1178         /* Linksys */
1179         { USB_DEVICE(0x13b1, 0x002f) },
1180         { USB_DEVICE(0x1737, 0x0079) },
1181         /* Logitec */
1182         { USB_DEVICE(0x0789, 0x0170) },
1183         /* Ralink */
1184         { USB_DEVICE(0x148f, 0x3572) },
1185         /* Sitecom */
1186         { USB_DEVICE(0x0df6, 0x0041) },
1187         { USB_DEVICE(0x0df6, 0x0062) },
1188         { USB_DEVICE(0x0df6, 0x0065) },
1189         { USB_DEVICE(0x0df6, 0x0066) },
1190         { USB_DEVICE(0x0df6, 0x0068) },
1191         /* Toshiba */
1192         { USB_DEVICE(0x0930, 0x0a07) },
1193         /* Zinwell */
1194         { USB_DEVICE(0x5a57, 0x0284) },
1195 #endif
1196 #ifdef CONFIG_RT2800USB_RT3573
1197         /* AirLive */
1198         { USB_DEVICE(0x1b75, 0x7733) },
1199         /* ASUS */
1200         { USB_DEVICE(0x0b05, 0x17bc) },
1201         { USB_DEVICE(0x0b05, 0x17ad) },
1202         /* Belkin */
1203         { USB_DEVICE(0x050d, 0x1103) },
1204         /* Cameo */
1205         { USB_DEVICE(0x148f, 0xf301) },
1206         /* D-Link */
1207         { USB_DEVICE(0x2001, 0x3c1f) },
1208         /* Edimax */
1209         { USB_DEVICE(0x7392, 0x7733) },
1210         /* Hawking */
1211         { USB_DEVICE(0x0e66, 0x0020) },
1212         { USB_DEVICE(0x0e66, 0x0021) },
1213         /* I-O DATA */
1214         { USB_DEVICE(0x04bb, 0x094e) },
1215         /* Linksys */
1216         { USB_DEVICE(0x13b1, 0x003b) },
1217         /* Logitec */
1218         { USB_DEVICE(0x0789, 0x016b) },
1219         /* NETGEAR */
1220         { USB_DEVICE(0x0846, 0x9012) },
1221         { USB_DEVICE(0x0846, 0x9013) },
1222         { USB_DEVICE(0x0846, 0x9019) },
1223         /* Planex */
1224         { USB_DEVICE(0x2019, 0xed19) },
1225         /* Ralink */
1226         { USB_DEVICE(0x148f, 0x3573) },
1227         /* Sitecom */
1228         { USB_DEVICE(0x0df6, 0x0067) },
1229         { USB_DEVICE(0x0df6, 0x006a) },
1230         { USB_DEVICE(0x0df6, 0x006e) },
1231         /* ZyXEL */
1232         { USB_DEVICE(0x0586, 0x3421) },
1233 #endif
1234 #ifdef CONFIG_RT2800USB_RT53XX
1235         /* Arcadyan */
1236         { USB_DEVICE(0x043e, 0x7a12) },
1237         { USB_DEVICE(0x043e, 0x7a32) },
1238         /* Azurewave */
1239         { USB_DEVICE(0x13d3, 0x3329) },
1240         { USB_DEVICE(0x13d3, 0x3365) },
1241         /* D-Link */
1242         { USB_DEVICE(0x2001, 0x3c15) },
1243         { USB_DEVICE(0x2001, 0x3c19) },
1244         { USB_DEVICE(0x2001, 0x3c1c) },
1245         { USB_DEVICE(0x2001, 0x3c1d) },
1246         { USB_DEVICE(0x2001, 0x3c1e) },
1247         { USB_DEVICE(0x2001, 0x3c20) },
1248         { USB_DEVICE(0x2001, 0x3c22) },
1249         { USB_DEVICE(0x2001, 0x3c23) },
1250         /* LG innotek */
1251         { USB_DEVICE(0x043e, 0x7a22) },
1252         { USB_DEVICE(0x043e, 0x7a42) },
1253         /* Panasonic */
1254         { USB_DEVICE(0x04da, 0x1801) },
1255         { USB_DEVICE(0x04da, 0x1800) },
1256         { USB_DEVICE(0x04da, 0x23f6) },
1257         /* Philips */
1258         { USB_DEVICE(0x0471, 0x2104) },
1259         { USB_DEVICE(0x0471, 0x2126) },
1260         { USB_DEVICE(0x0471, 0x2180) },
1261         { USB_DEVICE(0x0471, 0x2181) },
1262         { USB_DEVICE(0x0471, 0x2182) },
1263         /* Ralink */
1264         { USB_DEVICE(0x148f, 0x5370) },
1265         { USB_DEVICE(0x148f, 0x5372) },
1266 #endif
1267 #ifdef CONFIG_RT2800USB_RT55XX
1268         /* Arcadyan */
1269         { USB_DEVICE(0x043e, 0x7a32) },
1270         /* AVM GmbH */
1271         { USB_DEVICE(0x057c, 0x8501) },
1272         /* Buffalo */
1273         { USB_DEVICE(0x0411, 0x0241) },
1274         /* D-Link */
1275         { USB_DEVICE(0x2001, 0x3c1a) },
1276         { USB_DEVICE(0x2001, 0x3c21) },
1277         /* Proware */
1278         { USB_DEVICE(0x043e, 0x7a13) },
1279         /* Ralink */
1280         { USB_DEVICE(0x148f, 0x5572) },
1281         /* TRENDnet */
1282         { USB_DEVICE(0x20f4, 0x724a) },
1283 #endif
1284 #ifdef CONFIG_RT2800USB_UNKNOWN
1285         /*
1286          * Unclear what kind of devices these are (they aren't supported by the
1287          * vendor linux driver).
1288          */
1289         /* Abocom */
1290         { USB_DEVICE(0x07b8, 0x3073) },
1291         { USB_DEVICE(0x07b8, 0x3074) },
1292         /* Alpha Networks */
1293         { USB_DEVICE(0x14b2, 0x3c08) },
1294         { USB_DEVICE(0x14b2, 0x3c11) },
1295         /* Amigo */
1296         { USB_DEVICE(0x0e0b, 0x9031) },
1297         { USB_DEVICE(0x0e0b, 0x9041) },
1298         /* ASUS */
1299         { USB_DEVICE(0x0b05, 0x166a) },
1300         { USB_DEVICE(0x0b05, 0x1760) },
1301         { USB_DEVICE(0x0b05, 0x1761) },
1302         { USB_DEVICE(0x0b05, 0x1790) },
1303         { USB_DEVICE(0x0b05, 0x17a7) },
1304         /* AzureWave */
1305         { USB_DEVICE(0x13d3, 0x3262) },
1306         { USB_DEVICE(0x13d3, 0x3284) },
1307         { USB_DEVICE(0x13d3, 0x3322) },
1308         { USB_DEVICE(0x13d3, 0x3340) },
1309         { USB_DEVICE(0x13d3, 0x3399) },
1310         { USB_DEVICE(0x13d3, 0x3400) },
1311         { USB_DEVICE(0x13d3, 0x3401) },
1312         /* Belkin */
1313         { USB_DEVICE(0x050d, 0x1003) },
1314         /* Buffalo */
1315         { USB_DEVICE(0x0411, 0x012e) },
1316         { USB_DEVICE(0x0411, 0x0148) },
1317         { USB_DEVICE(0x0411, 0x0150) },
1318         /* Corega */
1319         { USB_DEVICE(0x07aa, 0x0041) },
1320         { USB_DEVICE(0x07aa, 0x0042) },
1321         { USB_DEVICE(0x18c5, 0x0008) },
1322         /* D-Link */
1323         { USB_DEVICE(0x07d1, 0x3c0b) },
1324         /* Encore */
1325         { USB_DEVICE(0x203d, 0x14a1) },
1326         /* EnGenius */
1327         { USB_DEVICE(0x1740, 0x0600) },
1328         { USB_DEVICE(0x1740, 0x0602) },
1329         /* Gemtek */
1330         { USB_DEVICE(0x15a9, 0x0010) },
1331         /* Gigabyte */
1332         { USB_DEVICE(0x1044, 0x800c) },
1333         /* Hercules */
1334         { USB_DEVICE(0x06f8, 0xe036) },
1335         /* Huawei */
1336         { USB_DEVICE(0x148f, 0xf101) },
1337         /* I-O DATA */
1338         { USB_DEVICE(0x04bb, 0x094b) },
1339         /* LevelOne */
1340         { USB_DEVICE(0x1740, 0x0605) },
1341         { USB_DEVICE(0x1740, 0x0615) },
1342         /* Logitec */
1343         { USB_DEVICE(0x0789, 0x0168) },
1344         { USB_DEVICE(0x0789, 0x0169) },
1345         /* Motorola */
1346         { USB_DEVICE(0x100d, 0x9032) },
1347         /* Pegatron */
1348         { USB_DEVICE(0x05a6, 0x0101) },
1349         { USB_DEVICE(0x1d4d, 0x0010) },
1350         /* Planex */
1351         { USB_DEVICE(0x2019, 0xab24) },
1352         { USB_DEVICE(0x2019, 0xab29) },
1353         /* Qcom */
1354         { USB_DEVICE(0x18e8, 0x6259) },
1355         /* RadioShack */
1356         { USB_DEVICE(0x08b9, 0x1197) },
1357         /* Sitecom */
1358         { USB_DEVICE(0x0df6, 0x003c) },
1359         { USB_DEVICE(0x0df6, 0x004a) },
1360         { USB_DEVICE(0x0df6, 0x004d) },
1361         { USB_DEVICE(0x0df6, 0x0053) },
1362         { USB_DEVICE(0x0df6, 0x0069) },
1363         { USB_DEVICE(0x0df6, 0x006f) },
1364         /* SMC */
1365         { USB_DEVICE(0x083a, 0xa512) },
1366         { USB_DEVICE(0x083a, 0xc522) },
1367         { USB_DEVICE(0x083a, 0xd522) },
1368         { USB_DEVICE(0x083a, 0xf511) },
1369         /* Sweex */
1370         { USB_DEVICE(0x177f, 0x0254) },
1371         /* TP-LINK */
1372         { USB_DEVICE(0xf201, 0x5370) },
1373 #endif
1374         { 0, }
1375 };
1376
1377 MODULE_AUTHOR(DRV_PROJECT);
1378 MODULE_VERSION(DRV_VERSION);
1379 MODULE_DESCRIPTION("Ralink RT2800 USB Wireless LAN driver.");
1380 MODULE_SUPPORTED_DEVICE("Ralink RT2870 USB chipset based cards");
1381 MODULE_DEVICE_TABLE(usb, rt2800usb_device_table);
1382 MODULE_FIRMWARE(FIRMWARE_RT2870);
1383 MODULE_LICENSE("GPL");
1384
1385 static int rt2800usb_probe(struct usb_interface *usb_intf,
1386                            const struct usb_device_id *id)
1387 {
1388         return rt2x00usb_probe(usb_intf, &rt2800usb_ops);
1389 }
1390
1391 static struct usb_driver rt2800usb_driver = {
1392         .name           = KBUILD_MODNAME,
1393         .id_table       = rt2800usb_device_table,
1394         .probe          = rt2800usb_probe,
1395         .disconnect     = rt2x00usb_disconnect,
1396         .suspend        = rt2x00usb_suspend,
1397         .resume         = rt2x00usb_resume,
1398         .reset_resume   = rt2x00usb_resume,
1399         .disable_hub_initiated_lpm = 1,
1400 };
1401
1402 module_usb_driver(rt2800usb_driver);