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, write to the
  22         Free Software Foundation, Inc.,
  23         59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  24  */
  25
  26 /*
  27         Module: rt2800usb
  28         Abstract: rt2800usb device specific routines.
  29         Supported chipsets: RT2800U.
  30  */
  31
  32 #include <linux/delay.h>
  33 #include <linux/etherdevice.h>
  34 #include <linux/init.h>
  35 #include <linux/kernel.h>
  36 #include <linux/module.h>
  37 #include <linux/usb.h>
  38
  39 #include "rt2x00.h"
  40 #include "rt2x00usb.h"
  41 #include "rt2800lib.h"
  42 #include "rt2800.h"
  43 #include "rt2800usb.h"
  44
  45 /*
  46  * Allow hardware encryption to be disabled.
  47  */
  48 static int modparam_nohwcrypt;
  49 module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
  50 MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
  51
  52 /*
  53  * Queue handlers.
  54  */
  55 static void rt2800usb_start_queue(struct data_queue *queue)
  56 {
  57         struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
  58         u32 reg;
  59
  60         switch (queue->qid) {
  61         case QID_RX:
  62                 rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
  63                 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 1);
  64                 rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
  65                 break;
  66         case QID_BEACON:
  67                 rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
  68                 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 1);
  69                 rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 1);
  70                 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 1);
  71                 rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg);
  72                 break;
  73         default:
  74                 break;
  75         }
  76 }
  77
  78 static void rt2800usb_stop_queue(struct data_queue *queue)
  79 {
  80         struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
  81         u32 reg;
  82
  83         switch (queue->qid) {
  84         case QID_RX:
  85                 rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
  86                 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
  87                 rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
  88                 break;
  89         case QID_BEACON:
  90                 rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
  91                 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 0);
  92                 rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 0);
  93                 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
  94                 rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg);
  95                 break;
  96         default:
  97                 break;
  98         }
  99 }
 100
 101 /*
 102  * test if there is an entry in any TX queue for which DMA is done
 103  * but the TX status has not been returned yet
 104  */
 105 static bool rt2800usb_txstatus_pending(struct rt2x00_dev *rt2x00dev)
 106 {
 107         struct data_queue *queue;
 108
 109         tx_queue_for_each(rt2x00dev, queue) {
 110                 if (rt2x00queue_get_entry(queue, Q_INDEX_DMA_DONE) !=
 111                     rt2x00queue_get_entry(queue, Q_INDEX_DONE))
 112                         return true;
 113         }
 114         return false;
 115 }
 116
 117 static bool rt2800usb_tx_sta_fifo_read_completed(struct rt2x00_dev *rt2x00dev,
 118                                                  int urb_status, u32 tx_status)
 119 {
 120         if (urb_status) {
 121                 WARNING(rt2x00dev, "rt2x00usb_register_read_async failed: %d\n", urb_status);
 122                 return false;
 123         }
 124
 125         /* try to read all TX_STA_FIFO entries before scheduling txdone_work */
 126         if (rt2x00_get_field32(tx_status, TX_STA_FIFO_VALID)) {
 127                 if (!kfifo_put(&rt2x00dev->txstatus_fifo, &tx_status)) {
 128                         WARNING(rt2x00dev, "TX status FIFO overrun, "
 129                                 "drop tx status report.\n");
 130                         queue_work(rt2x00dev->workqueue, &rt2x00dev->txdone_work);
 131                 } else
 132                         return true;
 133         } else if (!kfifo_is_empty(&rt2x00dev->txstatus_fifo)) {
 134                 queue_work(rt2x00dev->workqueue, &rt2x00dev->txdone_work);
 135         } else if (rt2800usb_txstatus_pending(rt2x00dev)) {
 136                 mod_timer(&rt2x00dev->txstatus_timer, jiffies + msecs_to_jiffies(2));
 137         }
 138
 139         return false;
 140 }
 141
 142 static void rt2800usb_tx_dma_done(struct queue_entry *entry)
 143 {
 144         struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
 145
 146         rt2x00usb_register_read_async(rt2x00dev, TX_STA_FIFO,
 147                                       rt2800usb_tx_sta_fifo_read_completed);
 148 }
 149
 150 static void rt2800usb_tx_sta_fifo_timeout(unsigned long data)
 151 {
 152         struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
 153
 154         rt2x00usb_register_read_async(rt2x00dev, TX_STA_FIFO,
 155                                       rt2800usb_tx_sta_fifo_read_completed);
 156 }
 157
 158 /*
 159  * Firmware functions
 160  */
 161 static char *rt2800usb_get_firmware_name(struct rt2x00_dev *rt2x00dev)
 162 {
 163         return FIRMWARE_RT2870;
 164 }
 165
 166 static int rt2800usb_write_firmware(struct rt2x00_dev *rt2x00dev,
 167                                     const u8 *data, const size_t len)
 168 {
 169         int status;
 170         u32 offset;
 171         u32 length;
 172
 173         /*
 174          * Check which section of the firmware we need.
 175          */
 176         if (rt2x00_rt(rt2x00dev, RT2860) ||
 177             rt2x00_rt(rt2x00dev, RT2872) ||
 178             rt2x00_rt(rt2x00dev, RT3070)) {
 179                 offset = 0;
 180                 length = 4096;
 181         } else {
 182                 offset = 4096;
 183                 length = 4096;
 184         }
 185
 186         /*
 187          * Write firmware to device.
 188          */
 189         rt2x00usb_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE,
 190                                       data + offset, length);
 191
 192         rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0);
 193         rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0);
 194
 195         /*
 196          * Send firmware request to device to load firmware,
 197          * we need to specify a long timeout time.
 198          */
 199         status = rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE,
 200                                              0, USB_MODE_FIRMWARE,
 201                                              REGISTER_TIMEOUT_FIRMWARE);
 202         if (status < 0) {
 203                 ERROR(rt2x00dev, "Failed to write Firmware to device.\n");
 204                 return status;
 205         }
 206
 207         msleep(10);
 208         rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
 209
 210         return 0;
 211 }
 212
 213 /*
 214  * Device state switch handlers.
 215  */
 216 static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
 217 {
 218         u32 reg;
 219
 220         /*
 221          * Wait until BBP and RF are ready.
 222          */
 223         if (rt2800_wait_csr_ready(rt2x00dev))
 224                 return -EBUSY;
 225
 226         rt2x00usb_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
 227         rt2x00usb_register_write(rt2x00dev, PBF_SYS_CTRL, reg & ~0x00002000);
 228
 229         rt2x00usb_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
 230
 231         rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
 232         rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_CSR, 1);
 233         rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_BBP, 1);
 234         rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
 235
 236         rt2x00usb_register_write(rt2x00dev, USB_DMA_CFG, 0x00000000);
 237
 238         rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0,
 239                                     USB_MODE_RESET, REGISTER_TIMEOUT);
 240
 241         rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
 242
 243         return 0;
 244 }
 245
 246 static int rt2800usb_enable_radio(struct rt2x00_dev *rt2x00dev)
 247 {
 248         u32 reg;
 249
 250         if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev)))
 251                 return -EIO;
 252
 253         rt2x00usb_register_read(rt2x00dev, USB_DMA_CFG, &reg);
 254         rt2x00_set_field32(&reg, USB_DMA_CFG_PHY_CLEAR, 0);
 255         rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_EN, 0);
 256         rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_TIMEOUT, 128);
 257         /*
 258          * Total room for RX frames in kilobytes, PBF might still exceed
 259          * this limit so reduce the number to prevent errors.
 260          */
 261         rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_LIMIT,
 262                            ((rt2x00dev->ops->rx->entry_num * DATA_FRAME_SIZE)
 263                             / 1024) - 3);
 264         rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_EN, 1);
 265         rt2x00_set_field32(&reg, USB_DMA_CFG_TX_BULK_EN, 1);
 266         rt2x00usb_register_write(rt2x00dev, USB_DMA_CFG, reg);
 267
 268         return rt2800_enable_radio(rt2x00dev);
 269 }
 270
 271 static void rt2800usb_disable_radio(struct rt2x00_dev *rt2x00dev)
 272 {
 273         rt2800_disable_radio(rt2x00dev);
 274         rt2x00usb_disable_radio(rt2x00dev);
 275 }
 276
 277 static int rt2800usb_set_state(struct rt2x00_dev *rt2x00dev,
 278                                enum dev_state state)
 279 {
 280         if (state == STATE_AWAKE)
 281                 rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, 0xff, 0, 2);
 282         else
 283                 rt2800_mcu_request(rt2x00dev, MCU_SLEEP, 0xff, 0xff, 2);
 284
 285         return 0;
 286 }
 287
 288 static int rt2800usb_set_device_state(struct rt2x00_dev *rt2x00dev,
 289                                       enum dev_state state)
 290 {
 291         int retval = 0;
 292
 293         switch (state) {
 294         case STATE_RADIO_ON:
 295                 /*
 296                  * Before the radio can be enabled, the device first has
 297                  * to be woken up. After that it needs a bit of time
 298                  * to be fully awake and then the radio can be enabled.
 299                  */
 300                 rt2800usb_set_state(rt2x00dev, STATE_AWAKE);
 301                 msleep(1);
 302                 retval = rt2800usb_enable_radio(rt2x00dev);
 303                 break;
 304         case STATE_RADIO_OFF:
 305                 /*
 306                  * After the radio has been disabled, the device should
 307                  * be put to sleep for powersaving.
 308                  */
 309                 rt2800usb_disable_radio(rt2x00dev);
 310                 rt2800usb_set_state(rt2x00dev, STATE_SLEEP);
 311                 break;
 312         case STATE_RADIO_IRQ_ON:
 313         case STATE_RADIO_IRQ_OFF:
 314                 /* No support, but no error either */
 315                 break;
 316         case STATE_DEEP_SLEEP:
 317         case STATE_SLEEP:
 318         case STATE_STANDBY:
 319         case STATE_AWAKE:
 320                 retval = rt2800usb_set_state(rt2x00dev, state);
 321                 break;
 322         default:
 323                 retval = -ENOTSUPP;
 324                 break;
 325         }
 326
 327         if (unlikely(retval))
 328                 ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n",
 329                       state, retval);
 330
 331         return retval;
 332 }
 333
 334 /*
 335  * Watchdog handlers
 336  */
 337 static void rt2800usb_watchdog(struct rt2x00_dev *rt2x00dev)
 338 {
 339         unsigned int i;
 340         u32 reg;
 341
 342         rt2x00usb_register_read(rt2x00dev, TXRXQ_PCNT, &reg);
 343         if (rt2x00_get_field32(reg, TXRXQ_PCNT_TX0Q)) {
 344                 WARNING(rt2x00dev, "TX HW queue 0 timed out,"
 345                         " invoke forced kick\n");
 346
 347                 rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40012);
 348
 349                 for (i = 0; i < 10; i++) {
 350                         udelay(10);
 351                         if (!rt2x00_get_field32(reg, TXRXQ_PCNT_TX0Q))
 352                                 break;
 353                 }
 354
 355                 rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40006);
 356         }
 357
 358         rt2x00usb_register_read(rt2x00dev, TXRXQ_PCNT, &reg);
 359         if (rt2x00_get_field32(reg, TXRXQ_PCNT_TX1Q)) {
 360                 WARNING(rt2x00dev, "TX HW queue 1 timed out,"
 361                         " invoke forced kick\n");
 362
 363                 rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf4000a);
 364
 365                 for (i = 0; i < 10; i++) {
 366                         udelay(10);
 367                         if (!rt2x00_get_field32(reg, TXRXQ_PCNT_TX1Q))
 368                                 break;
 369                 }
 370
 371                 rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40006);
 372         }
 373
 374         rt2x00usb_watchdog(rt2x00dev);
 375 }
 376
 377 /*
 378  * TX descriptor initialization
 379  */
 380 static __le32 *rt2800usb_get_txwi(struct queue_entry *entry)
 381 {
 382         if (entry->queue->qid == QID_BEACON)
 383                 return (__le32 *) (entry->skb->data);
 384         else
 385                 return (__le32 *) (entry->skb->data + TXINFO_DESC_SIZE);
 386 }
 387
 388 static void rt2800usb_write_tx_desc(struct queue_entry *entry,
 389                                     struct txentry_desc *txdesc)
 390 {
 391         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
 392         __le32 *txi = (__le32 *) entry->skb->data;
 393         u32 word;
 394
 395         /*
 396          * Initialize TXINFO descriptor
 397          */
 398         rt2x00_desc_read(txi, 0, &word);
 399
 400         /*
 401          * The size of TXINFO_W0_USB_DMA_TX_PKT_LEN is
 402          * TXWI + 802.11 header + L2 pad + payload + pad,
 403          * so need to decrease size of TXINFO and USB end pad.
 404          */
 405         rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_PKT_LEN,
 406                            entry->skb->len - TXINFO_DESC_SIZE - 4);
 407         rt2x00_set_field32(&word, TXINFO_W0_WIV,
 408                            !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags));
 409         rt2x00_set_field32(&word, TXINFO_W0_QSEL, 2);
 410         rt2x00_set_field32(&word, TXINFO_W0_SW_USE_LAST_ROUND, 0);
 411         rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_NEXT_VALID, 0);
 412         rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_BURST,
 413                            test_bit(ENTRY_TXD_BURST, &txdesc->flags));
 414         rt2x00_desc_write(txi, 0, word);
 415
 416         /*
 417          * Register descriptor details in skb frame descriptor.
 418          */
 419         skbdesc->flags |= SKBDESC_DESC_IN_SKB;
 420         skbdesc->desc = txi;
 421         skbdesc->desc_len = TXINFO_DESC_SIZE + TXWI_DESC_SIZE;
 422 }
 423
 424 static void rt2800usb_write_tx_data(struct queue_entry *entry,
 425                                         struct txentry_desc *txdesc)
 426 {
 427         unsigned int len;
 428         int err;
 429
 430         rt2800_write_tx_data(entry, txdesc);
 431
 432         /*
 433          * pad(1~3 bytes) is added after each 802.11 payload.
 434          * USB end pad(4 bytes) is added at each USB bulk out packet end.
 435          * TX frame format is :
 436          * | TXINFO | TXWI | 802.11 header | L2 pad | payload | pad | USB end pad |
 437          *                 |<------------- tx_pkt_len ------------->|
 438          */
 439         len = roundup(entry->skb->len, 4) + 4;
 440         err = skb_padto(entry->skb, len);
 441         if (unlikely(err)) {
 442                 WARNING(entry->queue->rt2x00dev, "TX SKB padding error, out of memory\n");
 443                 return;
 444         }
 445
 446         entry->skb->len = len;
 447 }
 448
 449 /*
 450  * TX data initialization
 451  */
 452 static int rt2800usb_get_tx_data_len(struct queue_entry *entry)
 453 {
 454         return entry->skb->len;
 455 }
 456
 457 /*
 458  * TX control handlers
 459  */
 460 static bool rt2800usb_txdone_entry_check(struct queue_entry *entry, u32 reg)
 461 {
 462         __le32 *txwi;
 463         u32 word;
 464         int wcid, ack, pid;
 465         int tx_wcid, tx_ack, tx_pid;
 466
 467         wcid    = rt2x00_get_field32(reg, TX_STA_FIFO_WCID);
 468         ack     = rt2x00_get_field32(reg, TX_STA_FIFO_TX_ACK_REQUIRED);
 469         pid     = rt2x00_get_field32(reg, TX_STA_FIFO_PID_TYPE);
 470
 471         /*
 472          * This frames has returned with an IO error,
 473          * so the status report is not intended for this
 474          * frame.
 475          */
 476         if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags)) {
 477                 rt2x00lib_txdone_noinfo(entry, TXDONE_FAILURE);
 478                 return false;
 479         }
 480
 481         /*
 482          * Validate if this TX status report is intended for
 483          * this entry by comparing the WCID/ACK/PID fields.
 484          */
 485         txwi = rt2800usb_get_txwi(entry);
 486
 487         rt2x00_desc_read(txwi, 1, &word);
 488         tx_wcid = rt2x00_get_field32(word, TXWI_W1_WIRELESS_CLI_ID);
 489         tx_ack  = rt2x00_get_field32(word, TXWI_W1_ACK);
 490         tx_pid  = rt2x00_get_field32(word, TXWI_W1_PACKETID);
 491
 492         if ((wcid != tx_wcid) || (ack != tx_ack) || (pid != tx_pid)) {
 493                 WARNING(entry->queue->rt2x00dev,
 494                         "TX status report missed for queue %d entry %d\n",
 495                 entry->queue->qid, entry->entry_idx);
 496                 rt2x00lib_txdone_noinfo(entry, TXDONE_UNKNOWN);
 497                 return false;
 498         }
 499
 500         return true;
 501 }
 502
 503 static void rt2800usb_txdone(struct rt2x00_dev *rt2x00dev)
 504 {
 505         struct data_queue *queue;
 506         struct queue_entry *entry;
 507         u32 reg;
 508         u8 qid;
 509
 510         while (kfifo_get(&rt2x00dev->txstatus_fifo, &reg)) {
 511
 512                 /* TX_STA_FIFO_PID_QUEUE is a 2-bit field, thus
 513                  * qid is guaranteed to be one of the TX QIDs
 514                  */
 515                 qid = rt2x00_get_field32(reg, TX_STA_FIFO_PID_QUEUE);
 516                 queue = rt2x00queue_get_tx_queue(rt2x00dev, qid);
 517                 if (unlikely(!queue)) {
 518                         WARNING(rt2x00dev, "Got TX status for an unavailable "
 519                                            "queue %u, dropping\n", qid);
 520                         continue;
 521                 }
 522
 523                 /*
 524                  * Inside each queue, we process each entry in a chronological
 525                  * order. We first check that the queue is not empty.
 526                  */
 527                 entry = NULL;
 528                 while (!rt2x00queue_empty(queue)) {
 529                         entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
 530                         if (rt2800usb_txdone_entry_check(entry, reg))
 531                                 break;
 532                 }
 533
 534                 if (!entry || rt2x00queue_empty(queue))
 535                         break;
 536
 537                 rt2800_txdone_entry(entry, reg);
 538         }
 539 }
 540
 541 static void rt2800usb_work_txdone(struct work_struct *work)
 542 {
 543         struct rt2x00_dev *rt2x00dev =
 544             container_of(work, struct rt2x00_dev, txdone_work);
 545         struct data_queue *queue;
 546         struct queue_entry *entry;
 547
 548         rt2800usb_txdone(rt2x00dev);
 549
 550         /*
 551          * Process any trailing TX status reports for IO failures,
 552          * we loop until we find the first non-IO error entry. This
 553          * can either be a frame which is free, is being uploaded,
 554          * or has completed the upload but didn't have an entry
 555          * in the TX_STAT_FIFO register yet.
 556          */
 557         tx_queue_for_each(rt2x00dev, queue) {
 558                 while (!rt2x00queue_empty(queue)) {
 559                         entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
 560
 561                         if (test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags))
 562                                 break;
 563                         if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags))
 564                                 rt2x00lib_txdone_noinfo(entry, TXDONE_FAILURE);
 565                         else if (rt2x00queue_status_timeout(entry))
 566                                 rt2x00lib_txdone_noinfo(entry, TXDONE_UNKNOWN);
 567                         else
 568                                 break;
 569                 }
 570         }
 571
 572         /*
 573          * The hw may delay sending the packet after DMA complete
 574          * if the medium is busy, thus the TX_STA_FIFO entry is
 575          * also delayed -> use a timer to retrieve it.
 576          */
 577         if (rt2800usb_txstatus_pending(rt2x00dev))
 578                 mod_timer(&rt2x00dev->txstatus_timer, jiffies + msecs_to_jiffies(2));
 579 }
 580
 581 /*
 582  * RX control handlers
 583  */
 584 static void rt2800usb_fill_rxdone(struct queue_entry *entry,
 585                                   struct rxdone_entry_desc *rxdesc)
 586 {
 587         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
 588         __le32 *rxi = (__le32 *)entry->skb->data;
 589         __le32 *rxd;
 590         u32 word;
 591         int rx_pkt_len;
 592
 593         /*
 594          * Copy descriptor to the skbdesc->desc buffer, making it safe from
 595          * moving of frame data in rt2x00usb.
 596          */
 597         memcpy(skbdesc->desc, rxi, skbdesc->desc_len);
 598
 599         /*
 600          * RX frame format is :
 601          * | RXINFO | RXWI | header | L2 pad | payload | pad | RXD | USB pad |
 602          *          |<------------ rx_pkt_len -------------->|
 603          */
 604         rt2x00_desc_read(rxi, 0, &word);
 605         rx_pkt_len = rt2x00_get_field32(word, RXINFO_W0_USB_DMA_RX_PKT_LEN);
 606
 607         /*
 608          * Remove the RXINFO structure from the sbk.
 609          */
 610         skb_pull(entry->skb, RXINFO_DESC_SIZE);
 611
 612         /*
 613          * FIXME: we need to check for rx_pkt_len validity
 614          */
 615         rxd = (__le32 *)(entry->skb->data + rx_pkt_len);
 616
 617         /*
 618          * It is now safe to read the descriptor on all architectures.
 619          */
 620         rt2x00_desc_read(rxd, 0, &word);
 621
 622         if (rt2x00_get_field32(word, RXD_W0_CRC_ERROR))
 623                 rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
 624
 625         rxdesc->cipher_status = rt2x00_get_field32(word, RXD_W0_CIPHER_ERROR);
 626
 627         if (rt2x00_get_field32(word, RXD_W0_DECRYPTED)) {
 628                 /*
 629                  * Hardware has stripped IV/EIV data from 802.11 frame during
 630                  * decryption. Unfortunately the descriptor doesn't contain
 631                  * any fields with the EIV/IV data either, so they can't
 632                  * be restored by rt2x00lib.
 633                  */
 634                 rxdesc->flags |= RX_FLAG_IV_STRIPPED;
 635
 636                 /*
 637                  * The hardware has already checked the Michael Mic and has
 638                  * stripped it from the frame. Signal this to mac80211.
 639                  */
 640                 rxdesc->flags |= RX_FLAG_MMIC_STRIPPED;
 641
 642                 if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS)
 643                         rxdesc->flags |= RX_FLAG_DECRYPTED;
 644                 else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC)
 645                         rxdesc->flags |= RX_FLAG_MMIC_ERROR;
 646         }
 647
 648         if (rt2x00_get_field32(word, RXD_W0_MY_BSS))
 649                 rxdesc->dev_flags |= RXDONE_MY_BSS;
 650
 651         if (rt2x00_get_field32(word, RXD_W0_L2PAD))
 652                 rxdesc->dev_flags |= RXDONE_L2PAD;
 653
 654         /*
 655          * Remove RXD descriptor from end of buffer.
 656          */
 657         skb_trim(entry->skb, rx_pkt_len);
 658
 659         /*
 660          * Process the RXWI structure.
 661          */
 662         rt2800_process_rxwi(entry, rxdesc);
 663 }
 664
 665 /*
 666  * Device probe functions.
 667  */
 668 static int rt2800usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
 669 {
 670         if (rt2800_efuse_detect(rt2x00dev))
 671                 rt2800_read_eeprom_efuse(rt2x00dev);
 672         else
 673                 rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom,
 674                                       EEPROM_SIZE);
 675
 676         return rt2800_validate_eeprom(rt2x00dev);
 677 }
 678
 679 static int rt2800usb_probe_hw(struct rt2x00_dev *rt2x00dev)
 680 {
 681         int retval;
 682
 683         /*
 684          * Allocate eeprom data.
 685          */
 686         retval = rt2800usb_validate_eeprom(rt2x00dev);
 687         if (retval)
 688                 return retval;
 689
 690         retval = rt2800_init_eeprom(rt2x00dev);
 691         if (retval)
 692                 return retval;
 693
 694         /*
 695          * Initialize hw specifications.
 696          */
 697         retval = rt2800_probe_hw_mode(rt2x00dev);
 698         if (retval)
 699                 return retval;
 700
 701         /*
 702          * This device has multiple filters for control frames
 703          * and has a separate filter for PS Poll frames.
 704          */
 705         __set_bit(CAPABILITY_CONTROL_FILTERS, &rt2x00dev->cap_flags);
 706         __set_bit(CAPABILITY_CONTROL_FILTER_PSPOLL, &rt2x00dev->cap_flags);
 707
 708         /*
 709          * This device requires firmware.
 710          */
 711         __set_bit(REQUIRE_FIRMWARE, &rt2x00dev->cap_flags);
 712         __set_bit(REQUIRE_L2PAD, &rt2x00dev->cap_flags);
 713         if (!modparam_nohwcrypt)
 714                 __set_bit(CAPABILITY_HW_CRYPTO, &rt2x00dev->cap_flags);
 715         __set_bit(CAPABILITY_LINK_TUNING, &rt2x00dev->cap_flags);
 716         __set_bit(REQUIRE_HT_TX_DESC, &rt2x00dev->cap_flags);
 717         __set_bit(REQUIRE_TXSTATUS_FIFO, &rt2x00dev->cap_flags);
 718         __set_bit(REQUIRE_PS_AUTOWAKE, &rt2x00dev->cap_flags);
 719
 720         setup_timer(&rt2x00dev->txstatus_timer,
 721                     rt2800usb_tx_sta_fifo_timeout,
 722                     (unsigned long) rt2x00dev);
 723
 724         /*
 725          * Set the rssi offset.
 726          */
 727         rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
 728
 729         /*
 730          * Overwrite TX done handler
 731          */
 732         PREPARE_WORK(&rt2x00dev->txdone_work, rt2800usb_work_txdone);
 733
 734         return 0;
 735 }
 736
 737 static const struct ieee80211_ops rt2800usb_mac80211_ops = {
 738         .tx                     = rt2x00mac_tx,
 739         .start                  = rt2x00mac_start,
 740         .stop                   = rt2x00mac_stop,
 741         .add_interface          = rt2x00mac_add_interface,
 742         .remove_interface       = rt2x00mac_remove_interface,
 743         .config                 = rt2x00mac_config,
 744         .configure_filter       = rt2x00mac_configure_filter,
 745         .set_tim                = rt2x00mac_set_tim,
 746         .set_key                = rt2x00mac_set_key,
 747         .sw_scan_start          = rt2x00mac_sw_scan_start,
 748         .sw_scan_complete       = rt2x00mac_sw_scan_complete,
 749         .get_stats              = rt2x00mac_get_stats,
 750         .get_tkip_seq           = rt2800_get_tkip_seq,
 751         .set_rts_threshold      = rt2800_set_rts_threshold,
 752         .bss_info_changed       = rt2x00mac_bss_info_changed,
 753         .conf_tx                = rt2800_conf_tx,
 754         .get_tsf                = rt2800_get_tsf,
 755         .rfkill_poll            = rt2x00mac_rfkill_poll,
 756         .ampdu_action           = rt2800_ampdu_action,
 757         .flush                  = rt2x00mac_flush,
 758         .get_survey             = rt2800_get_survey,
 759         .get_ringparam          = rt2x00mac_get_ringparam,
 760         .tx_frames_pending      = rt2x00mac_tx_frames_pending,
 761 };
 762
 763 static const struct rt2800_ops rt2800usb_rt2800_ops = {
 764         .register_read          = rt2x00usb_register_read,
 765         .register_read_lock     = rt2x00usb_register_read_lock,
 766         .register_write         = rt2x00usb_register_write,
 767         .register_write_lock    = rt2x00usb_register_write_lock,
 768         .register_multiread     = rt2x00usb_register_multiread,
 769         .register_multiwrite    = rt2x00usb_register_multiwrite,
 770         .regbusy_read           = rt2x00usb_regbusy_read,
 771         .drv_write_firmware     = rt2800usb_write_firmware,
 772         .drv_init_registers     = rt2800usb_init_registers,
 773         .drv_get_txwi           = rt2800usb_get_txwi,
 774 };
 775
 776 static const struct rt2x00lib_ops rt2800usb_rt2x00_ops = {
 777         .probe_hw               = rt2800usb_probe_hw,
 778         .get_firmware_name      = rt2800usb_get_firmware_name,
 779         .check_firmware         = rt2800_check_firmware,
 780         .load_firmware          = rt2800_load_firmware,
 781         .initialize             = rt2x00usb_initialize,
 782         .uninitialize           = rt2x00usb_uninitialize,
 783         .clear_entry            = rt2x00usb_clear_entry,
 784         .set_device_state       = rt2800usb_set_device_state,
 785         .rfkill_poll            = rt2800_rfkill_poll,
 786         .link_stats             = rt2800_link_stats,
 787         .reset_tuner            = rt2800_reset_tuner,
 788         .link_tuner             = rt2800_link_tuner,
 789         .gain_calibration       = rt2800_gain_calibration,
 790         .watchdog               = rt2800usb_watchdog,
 791         .start_queue            = rt2800usb_start_queue,
 792         .kick_queue             = rt2x00usb_kick_queue,
 793         .stop_queue             = rt2800usb_stop_queue,
 794         .flush_queue            = rt2x00usb_flush_queue,
 795         .tx_dma_done            = rt2800usb_tx_dma_done,
 796         .write_tx_desc          = rt2800usb_write_tx_desc,
 797         .write_tx_data          = rt2800usb_write_tx_data,
 798         .write_beacon           = rt2800_write_beacon,
 799         .clear_beacon           = rt2800_clear_beacon,
 800         .get_tx_data_len        = rt2800usb_get_tx_data_len,
 801         .fill_rxdone            = rt2800usb_fill_rxdone,
 802         .config_shared_key      = rt2800_config_shared_key,
 803         .config_pairwise_key    = rt2800_config_pairwise_key,
 804         .config_filter          = rt2800_config_filter,
 805         .config_intf            = rt2800_config_intf,
 806         .config_erp             = rt2800_config_erp,
 807         .config_ant             = rt2800_config_ant,
 808         .config                 = rt2800_config,
 809 };
 810
 811 static const struct data_queue_desc rt2800usb_queue_rx = {
 812         .entry_num              = 128,
 813         .data_size              = AGGREGATION_SIZE,
 814         .desc_size              = RXINFO_DESC_SIZE + RXWI_DESC_SIZE,
 815         .priv_size              = sizeof(struct queue_entry_priv_usb),
 816 };
 817
 818 static const struct data_queue_desc rt2800usb_queue_tx = {
 819         .entry_num              = 64,
 820         .data_size              = AGGREGATION_SIZE,
 821         .desc_size              = TXINFO_DESC_SIZE + TXWI_DESC_SIZE,
 822         .priv_size              = sizeof(struct queue_entry_priv_usb),
 823 };
 824
 825 static const struct data_queue_desc rt2800usb_queue_bcn = {
 826         .entry_num              = 8,
 827         .data_size              = MGMT_FRAME_SIZE,
 828         .desc_size              = TXINFO_DESC_SIZE + TXWI_DESC_SIZE,
 829         .priv_size              = sizeof(struct queue_entry_priv_usb),
 830 };
 831
 832 static const struct rt2x00_ops rt2800usb_ops = {
 833         .name                   = KBUILD_MODNAME,
 834         .max_sta_intf           = 1,
 835         .max_ap_intf            = 8,
 836         .eeprom_size            = EEPROM_SIZE,
 837         .rf_size                = RF_SIZE,
 838         .tx_queues              = NUM_TX_QUEUES,
 839         .extra_tx_headroom      = TXINFO_DESC_SIZE + TXWI_DESC_SIZE,
 840         .rx                     = &rt2800usb_queue_rx,
 841         .tx                     = &rt2800usb_queue_tx,
 842         .bcn                    = &rt2800usb_queue_bcn,
 843         .lib                    = &rt2800usb_rt2x00_ops,
 844         .drv                    = &rt2800usb_rt2800_ops,
 845         .hw                     = &rt2800usb_mac80211_ops,
 846 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
 847         .debugfs                = &rt2800_rt2x00debug,
 848 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
 849 };
 850
 851 /*
 852  * rt2800usb module information.
 853  */
 854 static struct usb_device_id rt2800usb_device_table[] = {
 855         /* Abocom */
 856         { USB_DEVICE(0x07b8, 0x2870) },
 857         { USB_DEVICE(0x07b8, 0x2770) },
 858         { USB_DEVICE(0x07b8, 0x3070) },
 859         { USB_DEVICE(0x07b8, 0x3071) },
 860         { USB_DEVICE(0x07b8, 0x3072) },
 861         { USB_DEVICE(0x1482, 0x3c09) },
 862         /* AirTies */
 863         { USB_DEVICE(0x1eda, 0x2012) },
 864         { USB_DEVICE(0x1eda, 0x2310) },
 865         /* Allwin */
 866         { USB_DEVICE(0x8516, 0x2070) },
 867         { USB_DEVICE(0x8516, 0x2770) },
 868         { USB_DEVICE(0x8516, 0x2870) },
 869         { USB_DEVICE(0x8516, 0x3070) },
 870         { USB_DEVICE(0x8516, 0x3071) },
 871         { USB_DEVICE(0x8516, 0x3072) },
 872         /* Alpha Networks */
 873         { USB_DEVICE(0x14b2, 0x3c06) },
 874         { USB_DEVICE(0x14b2, 0x3c07) },
 875         { USB_DEVICE(0x14b2, 0x3c09) },
 876         { USB_DEVICE(0x14b2, 0x3c12) },
 877         { USB_DEVICE(0x14b2, 0x3c23) },
 878         { USB_DEVICE(0x14b2, 0x3c25) },
 879         { USB_DEVICE(0x14b2, 0x3c27) },
 880         { USB_DEVICE(0x14b2, 0x3c28) },
 881         { USB_DEVICE(0x14b2, 0x3c2c) },
 882         /* Amit */
 883         { USB_DEVICE(0x15c5, 0x0008) },
 884         /* Askey */
 885         { USB_DEVICE(0x1690, 0x0740) },
 886         /* ASUS */
 887         { USB_DEVICE(0x0b05, 0x1731) },
 888         { USB_DEVICE(0x0b05, 0x1732) },
 889         { USB_DEVICE(0x0b05, 0x1742) },
 890         { USB_DEVICE(0x0b05, 0x1784) },
 891         { USB_DEVICE(0x1761, 0x0b05) },
 892         /* AzureWave */
 893         { USB_DEVICE(0x13d3, 0x3247) },
 894         { USB_DEVICE(0x13d3, 0x3273) },
 895         { USB_DEVICE(0x13d3, 0x3305) },
 896         { USB_DEVICE(0x13d3, 0x3307) },
 897         { USB_DEVICE(0x13d3, 0x3321) },
 898         /* Belkin */
 899         { USB_DEVICE(0x050d, 0x8053) },
 900         { USB_DEVICE(0x050d, 0x805c) },
 901         { USB_DEVICE(0x050d, 0x815c) },
 902         { USB_DEVICE(0x050d, 0x825b) },
 903         { USB_DEVICE(0x050d, 0x935a) },
 904         { USB_DEVICE(0x050d, 0x935b) },
 905         /* Buffalo */
 906         { USB_DEVICE(0x0411, 0x00e8) },
 907         { USB_DEVICE(0x0411, 0x016f) },
 908         { USB_DEVICE(0x0411, 0x01a2) },
 909         /* Corega */
 910         { USB_DEVICE(0x07aa, 0x002f) },
 911         { USB_DEVICE(0x07aa, 0x003c) },
 912         { USB_DEVICE(0x07aa, 0x003f) },
 913         { USB_DEVICE(0x18c5, 0x0012) },
 914         /* D-Link */
 915         { USB_DEVICE(0x07d1, 0x3c09) },
 916         { USB_DEVICE(0x07d1, 0x3c0a) },
 917         { USB_DEVICE(0x07d1, 0x3c0d) },
 918         { USB_DEVICE(0x07d1, 0x3c0e) },
 919         { USB_DEVICE(0x07d1, 0x3c0f) },
 920         { USB_DEVICE(0x07d1, 0x3c11) },
 921         { USB_DEVICE(0x07d1, 0x3c16) },
 922         /* Draytek */
 923         { USB_DEVICE(0x07fa, 0x7712) },
 924         /* Edimax */
 925         { USB_DEVICE(0x7392, 0x7711) },
 926         { USB_DEVICE(0x7392, 0x7717) },
 927         { USB_DEVICE(0x7392, 0x7718) },
 928         /* Encore */
 929         { USB_DEVICE(0x203d, 0x1480) },
 930         { USB_DEVICE(0x203d, 0x14a9) },
 931         /* EnGenius */
 932         { USB_DEVICE(0x1740, 0x9701) },
 933         { USB_DEVICE(0x1740, 0x9702) },
 934         { USB_DEVICE(0x1740, 0x9703) },
 935         { USB_DEVICE(0x1740, 0x9705) },
 936         { USB_DEVICE(0x1740, 0x9706) },
 937         { USB_DEVICE(0x1740, 0x9707) },
 938         { USB_DEVICE(0x1740, 0x9708) },
 939         { USB_DEVICE(0x1740, 0x9709) },
 940         /* Gemtek */
 941         { USB_DEVICE(0x15a9, 0x0012) },
 942         /* Gigabyte */
 943         { USB_DEVICE(0x1044, 0x800b) },
 944         { USB_DEVICE(0x1044, 0x800d) },
 945         /* Hawking */
 946         { USB_DEVICE(0x0e66, 0x0001) },
 947         { USB_DEVICE(0x0e66, 0x0003) },
 948         { USB_DEVICE(0x0e66, 0x0009) },
 949         { USB_DEVICE(0x0e66, 0x000b) },
 950         { USB_DEVICE(0x0e66, 0x0013) },
 951         { USB_DEVICE(0x0e66, 0x0017) },
 952         { USB_DEVICE(0x0e66, 0x0018) },
 953         /* I-O DATA */
 954         { USB_DEVICE(0x04bb, 0x0945) },
 955         { USB_DEVICE(0x04bb, 0x0947) },
 956         { USB_DEVICE(0x04bb, 0x0948) },
 957         /* Linksys */
 958         { USB_DEVICE(0x13b1, 0x0031) },
 959         { USB_DEVICE(0x1737, 0x0070) },
 960         { USB_DEVICE(0x1737, 0x0071) },
 961         /* Logitec */
 962         { USB_DEVICE(0x0789, 0x0162) },
 963         { USB_DEVICE(0x0789, 0x0163) },
 964         { USB_DEVICE(0x0789, 0x0164) },
 965         { USB_DEVICE(0x0789, 0x0166) },
 966         /* Motorola */
 967         { USB_DEVICE(0x100d, 0x9031) },
 968         /* MSI */
 969         { USB_DEVICE(0x0db0, 0x3820) },
 970         { USB_DEVICE(0x0db0, 0x3821) },
 971         { USB_DEVICE(0x0db0, 0x3822) },
 972         { USB_DEVICE(0x0db0, 0x3870) },
 973         { USB_DEVICE(0x0db0, 0x3871) },
 974         { USB_DEVICE(0x0db0, 0x6899) },
 975         { USB_DEVICE(0x0db0, 0x821a) },
 976         { USB_DEVICE(0x0db0, 0x822a) },
 977         { USB_DEVICE(0x0db0, 0x822b) },
 978         { USB_DEVICE(0x0db0, 0x822c) },
 979         { USB_DEVICE(0x0db0, 0x870a) },
 980         { USB_DEVICE(0x0db0, 0x871a) },
 981         { USB_DEVICE(0x0db0, 0x871b) },
 982         { USB_DEVICE(0x0db0, 0x871c) },
 983         { USB_DEVICE(0x0db0, 0x899a) },
 984         /* Para */
 985         { USB_DEVICE(0x20b8, 0x8888) },
 986         /* Pegatron */
 987         { USB_DEVICE(0x1d4d, 0x000c) },
 988         { USB_DEVICE(0x1d4d, 0x000e) },
 989         { USB_DEVICE(0x1d4d, 0x0011) },
 990         /* Philips */
 991         { USB_DEVICE(0x0471, 0x200f) },
 992         /* Planex */
 993         { USB_DEVICE(0x2019, 0xab25) },
 994         { USB_DEVICE(0x2019, 0xed06) },
 995         /* Quanta */
 996         { USB_DEVICE(0x1a32, 0x0304) },
 997         /* Ralink */
 998         { USB_DEVICE(0x148f, 0x2070) },
 999         { USB_DEVICE(0x148f, 0x2770) },
1000         { USB_DEVICE(0x148f, 0x2870) },
1001         { USB_DEVICE(0x148f, 0x3070) },
1002         { USB_DEVICE(0x148f, 0x3071) },
1003         { USB_DEVICE(0x148f, 0x3072) },
1004         /* Samsung */
1005         { USB_DEVICE(0x04e8, 0x2018) },
1006         /* Siemens */
1007         { USB_DEVICE(0x129b, 0x1828) },
1008         /* Sitecom */
1009         { USB_DEVICE(0x0df6, 0x0017) },
1010         { USB_DEVICE(0x0df6, 0x002b) },
1011         { USB_DEVICE(0x0df6, 0x002c) },
1012         { USB_DEVICE(0x0df6, 0x002d) },
1013         { USB_DEVICE(0x0df6, 0x0039) },
1014         { USB_DEVICE(0x0df6, 0x003b) },
1015         { USB_DEVICE(0x0df6, 0x003d) },
1016         { USB_DEVICE(0x0df6, 0x003e) },
1017         { USB_DEVICE(0x0df6, 0x003f) },
1018         { USB_DEVICE(0x0df6, 0x0040) },
1019         { USB_DEVICE(0x0df6, 0x0042) },
1020         { USB_DEVICE(0x0df6, 0x0047) },
1021         { USB_DEVICE(0x0df6, 0x0048) },
1022         { USB_DEVICE(0x0df6, 0x0051) },
1023         { USB_DEVICE(0x0df6, 0x005f) },
1024         { USB_DEVICE(0x0df6, 0x0060) },
1025         /* SMC */
1026         { USB_DEVICE(0x083a, 0x6618) },
1027         { USB_DEVICE(0x083a, 0x7511) },
1028         { USB_DEVICE(0x083a, 0x7512) },
1029         { USB_DEVICE(0x083a, 0x7522) },
1030         { USB_DEVICE(0x083a, 0x8522) },
1031         { USB_DEVICE(0x083a, 0xa618) },
1032         { USB_DEVICE(0x083a, 0xa701) },
1033         { USB_DEVICE(0x083a, 0xa702) },
1034         { USB_DEVICE(0x083a, 0xa703) },
1035         { USB_DEVICE(0x083a, 0xb522) },
1036         /* Sparklan */
1037         { USB_DEVICE(0x15a9, 0x0006) },
1038         /* Sweex */
1039         { USB_DEVICE(0x177f, 0x0302) },
1040         /* U-Media */
1041         { USB_DEVICE(0x157e, 0x300e) },
1042         { USB_DEVICE(0x157e, 0x3013) },
1043         /* ZCOM */
1044         { USB_DEVICE(0x0cde, 0x0022) },
1045         { USB_DEVICE(0x0cde, 0x0025) },
1046         /* Zinwell */
1047         { USB_DEVICE(0x5a57, 0x0280) },
1048         { USB_DEVICE(0x5a57, 0x0282) },
1049         { USB_DEVICE(0x5a57, 0x0283) },
1050         { USB_DEVICE(0x5a57, 0x5257) },
1051         /* Zyxel */
1052         { USB_DEVICE(0x0586, 0x3416) },
1053         { USB_DEVICE(0x0586, 0x3418) },
1054         { USB_DEVICE(0x0586, 0x341e) },
1055         { USB_DEVICE(0x0586, 0x343e) },
1056 #ifdef CONFIG_RT2800USB_RT33XX
1057         /* Belkin */
1058         { USB_DEVICE(0x050d, 0x945b) },
1059         /* Ralink */
1060         { USB_DEVICE(0x148f, 0x3370) },
1061         { USB_DEVICE(0x148f, 0x8070) },
1062         /* Sitecom */
1063         { USB_DEVICE(0x0df6, 0x0050) },
1064 #endif
1065 #ifdef CONFIG_RT2800USB_RT35XX
1066         /* Allwin */
1067         { USB_DEVICE(0x8516, 0x3572) },
1068         /* Askey */
1069         { USB_DEVICE(0x1690, 0x0744) },
1070         /* Cisco */
1071         { USB_DEVICE(0x167b, 0x4001) },
1072         /* EnGenius */
1073         { USB_DEVICE(0x1740, 0x9801) },
1074         /* I-O DATA */
1075         { USB_DEVICE(0x04bb, 0x0944) },
1076         /* Linksys */
1077         { USB_DEVICE(0x13b1, 0x002f) },
1078         { USB_DEVICE(0x1737, 0x0079) },
1079         /* Ralink */
1080         { USB_DEVICE(0x148f, 0x3572) },
1081         /* Sitecom */
1082         { USB_DEVICE(0x0df6, 0x0041) },
1083         { USB_DEVICE(0x0df6, 0x0062) },
1084         /* Toshiba */
1085         { USB_DEVICE(0x0930, 0x0a07) },
1086         /* Zinwell */
1087         { USB_DEVICE(0x5a57, 0x0284) },
1088 #endif
1089 #ifdef CONFIG_RT2800USB_RT53XX
1090         /* Azurewave */
1091         { USB_DEVICE(0x13d3, 0x3329) },
1092         { USB_DEVICE(0x13d3, 0x3365) },
1093         /* Ralink */
1094         { USB_DEVICE(0x148f, 0x5370) },
1095         { USB_DEVICE(0x148f, 0x5372) },
1096 #endif
1097 #ifdef CONFIG_RT2800USB_UNKNOWN
1098         /*
1099          * Unclear what kind of devices these are (they aren't supported by the
1100          * vendor linux driver).
1101          */
1102         /* Abocom */
1103         { USB_DEVICE(0x07b8, 0x3073) },
1104         { USB_DEVICE(0x07b8, 0x3074) },
1105         /* Alpha Networks */
1106         { USB_DEVICE(0x14b2, 0x3c08) },
1107         { USB_DEVICE(0x14b2, 0x3c11) },
1108         /* Amigo */
1109         { USB_DEVICE(0x0e0b, 0x9031) },
1110         { USB_DEVICE(0x0e0b, 0x9041) },
1111         /* ASUS */
1112         { USB_DEVICE(0x0b05, 0x166a) },
1113         { USB_DEVICE(0x0b05, 0x1760) },
1114         { USB_DEVICE(0x0b05, 0x1761) },
1115         { USB_DEVICE(0x0b05, 0x1790) },
1116         { USB_DEVICE(0x0b05, 0x179d) },
1117         /* AzureWave */
1118         { USB_DEVICE(0x13d3, 0x3262) },
1119         { USB_DEVICE(0x13d3, 0x3284) },
1120         { USB_DEVICE(0x13d3, 0x3322) },
1121         /* Belkin */
1122         { USB_DEVICE(0x050d, 0x1003) },
1123         { USB_DEVICE(0x050d, 0x825a) },
1124         /* Buffalo */
1125         { USB_DEVICE(0x0411, 0x012e) },
1126         { USB_DEVICE(0x0411, 0x0148) },
1127         { USB_DEVICE(0x0411, 0x0150) },
1128         { USB_DEVICE(0x0411, 0x015d) },
1129         /* Corega */
1130         { USB_DEVICE(0x07aa, 0x0041) },
1131         { USB_DEVICE(0x07aa, 0x0042) },
1132         { USB_DEVICE(0x18c5, 0x0008) },
1133         /* D-Link */
1134         { USB_DEVICE(0x07d1, 0x3c0b) },
1135         { USB_DEVICE(0x07d1, 0x3c13) },
1136         { USB_DEVICE(0x07d1, 0x3c15) },
1137         { USB_DEVICE(0x07d1, 0x3c17) },
1138         { USB_DEVICE(0x2001, 0x3c17) },
1139         /* Edimax */
1140         { USB_DEVICE(0x7392, 0x4085) },
1141         { USB_DEVICE(0x7392, 0x7722) },
1142         /* Encore */
1143         { USB_DEVICE(0x203d, 0x14a1) },
1144         /* Gemtek */
1145         { USB_DEVICE(0x15a9, 0x0010) },
1146         /* Gigabyte */
1147         { USB_DEVICE(0x1044, 0x800c) },
1148         /* Huawei */
1149         { USB_DEVICE(0x148f, 0xf101) },
1150         /* I-O DATA */
1151         { USB_DEVICE(0x04bb, 0x094b) },
1152         /* LevelOne */
1153         { USB_DEVICE(0x1740, 0x0605) },
1154         { USB_DEVICE(0x1740, 0x0615) },
1155         /* Linksys */
1156         { USB_DEVICE(0x1737, 0x0077) },
1157         { USB_DEVICE(0x1737, 0x0078) },
1158         /* Logitec */
1159         { USB_DEVICE(0x0789, 0x0168) },
1160         { USB_DEVICE(0x0789, 0x0169) },
1161         /* Motorola */
1162         { USB_DEVICE(0x100d, 0x9032) },
1163         /* Ovislink */
1164         { USB_DEVICE(0x1b75, 0x3071) },
1165         { USB_DEVICE(0x1b75, 0x3072) },
1166         /* Pegatron */
1167         { USB_DEVICE(0x05a6, 0x0101) },
1168         { USB_DEVICE(0x1d4d, 0x0002) },
1169         { USB_DEVICE(0x1d4d, 0x0010) },
1170         /* Planex */
1171         { USB_DEVICE(0x2019, 0x5201) },
1172         { USB_DEVICE(0x2019, 0xab24) },
1173         /* Qcom */
1174         { USB_DEVICE(0x18e8, 0x6259) },
1175         /* RadioShack */
1176         { USB_DEVICE(0x08b9, 0x1197) },
1177         /* Sitecom */
1178         { USB_DEVICE(0x0df6, 0x003c) },
1179         { USB_DEVICE(0x0df6, 0x004a) },
1180         { USB_DEVICE(0x0df6, 0x004d) },
1181         { USB_DEVICE(0x0df6, 0x0053) },
1182         /* SMC */
1183         { USB_DEVICE(0x083a, 0xa512) },
1184         { USB_DEVICE(0x083a, 0xc522) },
1185         { USB_DEVICE(0x083a, 0xd522) },
1186         { USB_DEVICE(0x083a, 0xf511) },
1187         /* Sweex */
1188         { USB_DEVICE(0x177f, 0x0153) },
1189         { USB_DEVICE(0x177f, 0x0313) },
1190         /* Zyxel */
1191         { USB_DEVICE(0x0586, 0x341a) },
1192 #endif
1193         { 0, }
1194 };
1195
1196 MODULE_AUTHOR(DRV_PROJECT);
1197 MODULE_VERSION(DRV_VERSION);
1198 MODULE_DESCRIPTION("Ralink RT2800 USB Wireless LAN driver.");
1199 MODULE_SUPPORTED_DEVICE("Ralink RT2870 USB chipset based cards");
1200 MODULE_DEVICE_TABLE(usb, rt2800usb_device_table);
1201 MODULE_FIRMWARE(FIRMWARE_RT2870);
1202 MODULE_LICENSE("GPL");
1203
1204 static int rt2800usb_probe(struct usb_interface *usb_intf,
1205                            const struct usb_device_id *id)
1206 {
1207         return rt2x00usb_probe(usb_intf, &rt2800usb_ops);
1208 }
1209
1210 static struct usb_driver rt2800usb_driver = {
1211         .name           = KBUILD_MODNAME,
1212         .id_table       = rt2800usb_device_table,
1213         .probe          = rt2800usb_probe,
1214         .disconnect     = rt2x00usb_disconnect,
1215         .suspend        = rt2x00usb_suspend,
1216         .resume         = rt2x00usb_resume,
1217 };
1218
1219 static int __init rt2800usb_init(void)
1220 {
1221         return usb_register(&rt2800usb_driver);
1222 }
1223
1224 static void __exit rt2800usb_exit(void)
1225 {
1226         usb_deregister(&rt2800usb_driver);
1227 }
1228
1229 module_init(rt2800usb_init);
1230 module_exit(rt2800usb_exit);