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 bool modparam_nohwcrypt;
  49 module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
  50 MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
  51
  52 static bool rt2800usb_hwcrypt_disabled(struct rt2x00_dev *rt2x00dev)
  53 {
  54         return modparam_nohwcrypt;
  55 }
  56
  57 /*
  58  * Queue handlers.
  59  */
  60 static void rt2800usb_start_queue(struct data_queue *queue)
  61 {
  62         struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
  63         u32 reg;
  64
  65         switch (queue->qid) {
  66         case QID_RX:
  67                 rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
  68                 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 1);
  69                 rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
  70                 break;
  71         case QID_BEACON:
  72                 rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
  73                 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 1);
  74                 rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 1);
  75                 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 1);
  76                 rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg);
  77                 break;
  78         default:
  79                 break;
  80         }
  81 }
  82
  83 static void rt2800usb_stop_queue(struct data_queue *queue)
  84 {
  85         struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
  86         u32 reg;
  87
  88         switch (queue->qid) {
  89         case QID_RX:
  90                 rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
  91                 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
  92                 rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
  93                 break;
  94         case QID_BEACON:
  95                 rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
  96                 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 0);
  97                 rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 0);
  98                 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
  99                 rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg);
 100                 break;
 101         default:
 102                 break;
 103         }
 104 }
 105
 106 /*
 107  * test if there is an entry in any TX queue for which DMA is done
 108  * but the TX status has not been returned yet
 109  */
 110 static bool rt2800usb_txstatus_pending(struct rt2x00_dev *rt2x00dev)
 111 {
 112         struct data_queue *queue;
 113
 114         tx_queue_for_each(rt2x00dev, queue) {
 115                 if (rt2x00queue_get_entry(queue, Q_INDEX_DMA_DONE) !=
 116                     rt2x00queue_get_entry(queue, Q_INDEX_DONE))
 117                         return true;
 118         }
 119         return false;
 120 }
 121
 122 static inline bool rt2800usb_entry_txstatus_timeout(struct queue_entry *entry)
 123 {
 124         bool tout;
 125
 126         if (!test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))
 127                 return false;
 128
 129         tout = time_after(jiffies, entry->last_action + msecs_to_jiffies(100));
 130         if (unlikely(tout))
 131                 WARNING(entry->queue->rt2x00dev,
 132                         "TX status timeout for entry %d in queue %d\n",
 133                         entry->entry_idx, entry->queue->qid);
 134         return tout;
 135
 136 }
 137
 138 static bool rt2800usb_txstatus_timeout(struct rt2x00_dev *rt2x00dev)
 139 {
 140         struct data_queue *queue;
 141         struct queue_entry *entry;
 142
 143         tx_queue_for_each(rt2x00dev, queue) {
 144                 entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
 145                 if (rt2800usb_entry_txstatus_timeout(entry))
 146                         return true;
 147         }
 148         return false;
 149 }
 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                 WARNING(rt2x00dev, "TX status read failed %d\n", urb_status);
 158
 159                 goto stop_reading;
 160         }
 161
 162         valid = rt2x00_get_field32(tx_status, TX_STA_FIFO_VALID);
 163         if (valid) {
 164                 if (!kfifo_put(&rt2x00dev->txstatus_fifo, &tx_status))
 165                         WARNING(rt2x00dev, "TX status FIFO overrun\n");
 166
 167                 queue_work(rt2x00dev->workqueue, &rt2x00dev->txdone_work);
 168
 169                 /* Reschedule urb to read TX status again instantly */
 170                 return true;
 171         }
 172
 173         /* Check if there is any entry that timedout waiting on TX status */
 174         if (rt2800usb_txstatus_timeout(rt2x00dev))
 175                 queue_work(rt2x00dev->workqueue, &rt2x00dev->txdone_work);
 176
 177         if (rt2800usb_txstatus_pending(rt2x00dev)) {
 178                 /* Read register after 250 us */
 179                 hrtimer_start(&rt2x00dev->txstatus_timer, ktime_set(0, 250000),
 180                               HRTIMER_MODE_REL);
 181                 return false;
 182         }
 183
 184 stop_reading:
 185         clear_bit(TX_STATUS_READING, &rt2x00dev->flags);
 186         /*
 187          * There is small race window above, between txstatus pending check and
 188          * clear_bit someone could do rt2x00usb_interrupt_txdone, so recheck
 189          * here again if status reading is needed.
 190          */
 191         if (rt2800usb_txstatus_pending(rt2x00dev) &&
 192             !test_and_set_bit(TX_STATUS_READING, &rt2x00dev->flags))
 193                 return true;
 194         else
 195                 return false;
 196 }
 197
 198 static void rt2800usb_async_read_tx_status(struct rt2x00_dev *rt2x00dev)
 199 {
 200
 201         if (test_and_set_bit(TX_STATUS_READING, &rt2x00dev->flags))
 202                 return;
 203
 204         /* Read TX_STA_FIFO register after 500 us */
 205         hrtimer_start(&rt2x00dev->txstatus_timer, ktime_set(0, 500000),
 206                       HRTIMER_MODE_REL);
 207 }
 208
 209 static void rt2800usb_tx_dma_done(struct queue_entry *entry)
 210 {
 211         struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
 212
 213         rt2800usb_async_read_tx_status(rt2x00dev);
 214 }
 215
 216 static enum hrtimer_restart rt2800usb_tx_sta_fifo_timeout(struct hrtimer *timer)
 217 {
 218         struct rt2x00_dev *rt2x00dev =
 219             container_of(timer, struct rt2x00_dev, txstatus_timer);
 220
 221         rt2x00usb_register_read_async(rt2x00dev, TX_STA_FIFO,
 222                                       rt2800usb_tx_sta_fifo_read_completed);
 223
 224         return HRTIMER_NORESTART;
 225 }
 226
 227 /*
 228  * Firmware functions
 229  */
 230 static char *rt2800usb_get_firmware_name(struct rt2x00_dev *rt2x00dev)
 231 {
 232         return FIRMWARE_RT2870;
 233 }
 234
 235 static int rt2800usb_write_firmware(struct rt2x00_dev *rt2x00dev,
 236                                     const u8 *data, const size_t len)
 237 {
 238         int status;
 239         u32 offset;
 240         u32 length;
 241
 242         /*
 243          * Check which section of the firmware we need.
 244          */
 245         if (rt2x00_rt(rt2x00dev, RT2860) ||
 246             rt2x00_rt(rt2x00dev, RT2872) ||
 247             rt2x00_rt(rt2x00dev, RT3070)) {
 248                 offset = 0;
 249                 length = 4096;
 250         } else {
 251                 offset = 4096;
 252                 length = 4096;
 253         }
 254
 255         /*
 256          * Write firmware to device.
 257          */
 258         rt2x00usb_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE,
 259                                       data + offset, length);
 260
 261         rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0);
 262         rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0);
 263
 264         /*
 265          * Send firmware request to device to load firmware,
 266          * we need to specify a long timeout time.
 267          */
 268         status = rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE,
 269                                              0, USB_MODE_FIRMWARE,
 270                                              REGISTER_TIMEOUT_FIRMWARE);
 271         if (status < 0) {
 272                 ERROR(rt2x00dev, "Failed to write Firmware to device.\n");
 273                 return status;
 274         }
 275
 276         msleep(10);
 277         rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
 278
 279         return 0;
 280 }
 281
 282 /*
 283  * Device state switch handlers.
 284  */
 285 static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
 286 {
 287         u32 reg;
 288
 289         /*
 290          * Wait until BBP and RF are ready.
 291          */
 292         if (rt2800_wait_csr_ready(rt2x00dev))
 293                 return -EBUSY;
 294
 295         rt2x00usb_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
 296         rt2x00usb_register_write(rt2x00dev, PBF_SYS_CTRL, reg & ~0x00002000);
 297
 298         reg = 0;
 299         rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_CSR, 1);
 300         rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_BBP, 1);
 301         rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
 302
 303         rt2x00usb_register_write(rt2x00dev, USB_DMA_CFG, 0x00000000);
 304
 305         rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0,
 306                                     USB_MODE_RESET, REGISTER_TIMEOUT);
 307
 308         rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
 309
 310         return 0;
 311 }
 312
 313 static int rt2800usb_enable_radio(struct rt2x00_dev *rt2x00dev)
 314 {
 315         u32 reg;
 316
 317         if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev)))
 318                 return -EIO;
 319
 320         rt2x00usb_register_read(rt2x00dev, USB_DMA_CFG, &reg);
 321         rt2x00_set_field32(&reg, USB_DMA_CFG_PHY_CLEAR, 0);
 322         rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_EN, 0);
 323         rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_TIMEOUT, 128);
 324         /*
 325          * Total room for RX frames in kilobytes, PBF might still exceed
 326          * this limit so reduce the number to prevent errors.
 327          */
 328         rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_LIMIT,
 329                            ((rt2x00dev->ops->rx->entry_num * DATA_FRAME_SIZE)
 330                             / 1024) - 3);
 331         rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_EN, 1);
 332         rt2x00_set_field32(&reg, USB_DMA_CFG_TX_BULK_EN, 1);
 333         rt2x00usb_register_write(rt2x00dev, USB_DMA_CFG, reg);
 334
 335         return rt2800_enable_radio(rt2x00dev);
 336 }
 337
 338 static void rt2800usb_disable_radio(struct rt2x00_dev *rt2x00dev)
 339 {
 340         rt2800_disable_radio(rt2x00dev);
 341         rt2x00usb_disable_radio(rt2x00dev);
 342 }
 343
 344 static int rt2800usb_set_state(struct rt2x00_dev *rt2x00dev,
 345                                enum dev_state state)
 346 {
 347         if (state == STATE_AWAKE)
 348                 rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, 0xff, 0, 2);
 349         else
 350                 rt2800_mcu_request(rt2x00dev, MCU_SLEEP, 0xff, 0xff, 2);
 351
 352         return 0;
 353 }
 354
 355 static int rt2800usb_set_device_state(struct rt2x00_dev *rt2x00dev,
 356                                       enum dev_state state)
 357 {
 358         int retval = 0;
 359
 360         switch (state) {
 361         case STATE_RADIO_ON:
 362                 /*
 363                  * Before the radio can be enabled, the device first has
 364                  * to be woken up. After that it needs a bit of time
 365                  * to be fully awake and then the radio can be enabled.
 366                  */
 367                 rt2800usb_set_state(rt2x00dev, STATE_AWAKE);
 368                 msleep(1);
 369                 retval = rt2800usb_enable_radio(rt2x00dev);
 370                 break;
 371         case STATE_RADIO_OFF:
 372                 /*
 373                  * After the radio has been disabled, the device should
 374                  * be put to sleep for powersaving.
 375                  */
 376                 rt2800usb_disable_radio(rt2x00dev);
 377                 rt2800usb_set_state(rt2x00dev, STATE_SLEEP);
 378                 break;
 379         case STATE_RADIO_IRQ_ON:
 380         case STATE_RADIO_IRQ_OFF:
 381                 /* No support, but no error either */
 382                 break;
 383         case STATE_DEEP_SLEEP:
 384         case STATE_SLEEP:
 385         case STATE_STANDBY:
 386         case STATE_AWAKE:
 387                 retval = rt2800usb_set_state(rt2x00dev, state);
 388                 break;
 389         default:
 390                 retval = -ENOTSUPP;
 391                 break;
 392         }
 393
 394         if (unlikely(retval))
 395                 ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n",
 396                       state, retval);
 397
 398         return retval;
 399 }
 400
 401 /*
 402  * Watchdog handlers
 403  */
 404 static void rt2800usb_watchdog(struct rt2x00_dev *rt2x00dev)
 405 {
 406         unsigned int i;
 407         u32 reg;
 408
 409         rt2x00usb_register_read(rt2x00dev, TXRXQ_PCNT, &reg);
 410         if (rt2x00_get_field32(reg, TXRXQ_PCNT_TX0Q)) {
 411                 WARNING(rt2x00dev, "TX HW queue 0 timed out,"
 412                         " invoke forced kick\n");
 413
 414                 rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40012);
 415
 416                 for (i = 0; i < 10; i++) {
 417                         udelay(10);
 418                         if (!rt2x00_get_field32(reg, TXRXQ_PCNT_TX0Q))
 419                                 break;
 420                 }
 421
 422                 rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40006);
 423         }
 424
 425         rt2x00usb_register_read(rt2x00dev, TXRXQ_PCNT, &reg);
 426         if (rt2x00_get_field32(reg, TXRXQ_PCNT_TX1Q)) {
 427                 WARNING(rt2x00dev, "TX HW queue 1 timed out,"
 428                         " invoke forced kick\n");
 429
 430                 rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf4000a);
 431
 432                 for (i = 0; i < 10; i++) {
 433                         udelay(10);
 434                         if (!rt2x00_get_field32(reg, TXRXQ_PCNT_TX1Q))
 435                                 break;
 436                 }
 437
 438                 rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40006);
 439         }
 440
 441         rt2x00usb_watchdog(rt2x00dev);
 442 }
 443
 444 /*
 445  * TX descriptor initialization
 446  */
 447 static __le32 *rt2800usb_get_txwi(struct queue_entry *entry)
 448 {
 449         if (entry->queue->qid == QID_BEACON)
 450                 return (__le32 *) (entry->skb->data);
 451         else
 452                 return (__le32 *) (entry->skb->data + TXINFO_DESC_SIZE);
 453 }
 454
 455 static void rt2800usb_write_tx_desc(struct queue_entry *entry,
 456                                     struct txentry_desc *txdesc)
 457 {
 458         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
 459         __le32 *txi = (__le32 *) entry->skb->data;
 460         u32 word;
 461
 462         /*
 463          * Initialize TXINFO descriptor
 464          */
 465         rt2x00_desc_read(txi, 0, &word);
 466
 467         /*
 468          * The size of TXINFO_W0_USB_DMA_TX_PKT_LEN is
 469          * TXWI + 802.11 header + L2 pad + payload + pad,
 470          * so need to decrease size of TXINFO.
 471          */
 472         rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_PKT_LEN,
 473                            roundup(entry->skb->len, 4) - TXINFO_DESC_SIZE);
 474         rt2x00_set_field32(&word, TXINFO_W0_WIV,
 475                            !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags));
 476         rt2x00_set_field32(&word, TXINFO_W0_QSEL, 2);
 477         rt2x00_set_field32(&word, TXINFO_W0_SW_USE_LAST_ROUND, 0);
 478         rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_NEXT_VALID, 0);
 479         rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_BURST,
 480                            test_bit(ENTRY_TXD_BURST, &txdesc->flags));
 481         rt2x00_desc_write(txi, 0, word);
 482
 483         /*
 484          * Register descriptor details in skb frame descriptor.
 485          */
 486         skbdesc->flags |= SKBDESC_DESC_IN_SKB;
 487         skbdesc->desc = txi;
 488         skbdesc->desc_len = TXINFO_DESC_SIZE + TXWI_DESC_SIZE;
 489 }
 490
 491 /*
 492  * TX data initialization
 493  */
 494 static int rt2800usb_get_tx_data_len(struct queue_entry *entry)
 495 {
 496         /*
 497          * pad(1~3 bytes) is needed after each 802.11 payload.
 498          * USB end pad(4 bytes) is needed at each USB bulk out packet end.
 499          * TX frame format is :
 500          * | TXINFO | TXWI | 802.11 header | L2 pad | payload | pad | USB end pad |
 501          *                 |<------------- tx_pkt_len ------------->|
 502          */
 503
 504         return roundup(entry->skb->len, 4) + 4;
 505 }
 506
 507 /*
 508  * TX control handlers
 509  */
 510 static enum txdone_entry_desc_flags
 511 rt2800usb_txdone_entry_check(struct queue_entry *entry, u32 reg)
 512 {
 513         __le32 *txwi;
 514         u32 word;
 515         int wcid, ack, pid;
 516         int tx_wcid, tx_ack, tx_pid, is_agg;
 517
 518         /*
 519          * This frames has returned with an IO error,
 520          * so the status report is not intended for this
 521          * frame.
 522          */
 523         if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags))
 524                 return TXDONE_FAILURE;
 525
 526         wcid    = rt2x00_get_field32(reg, TX_STA_FIFO_WCID);
 527         ack     = rt2x00_get_field32(reg, TX_STA_FIFO_TX_ACK_REQUIRED);
 528         pid     = rt2x00_get_field32(reg, TX_STA_FIFO_PID_TYPE);
 529         is_agg  = rt2x00_get_field32(reg, TX_STA_FIFO_TX_AGGRE);
 530
 531         /*
 532          * Validate if this TX status report is intended for
 533          * this entry by comparing the WCID/ACK/PID fields.
 534          */
 535         txwi = rt2800usb_get_txwi(entry);
 536
 537         rt2x00_desc_read(txwi, 1, &word);
 538         tx_wcid = rt2x00_get_field32(word, TXWI_W1_WIRELESS_CLI_ID);
 539         tx_ack  = rt2x00_get_field32(word, TXWI_W1_ACK);
 540         tx_pid  = rt2x00_get_field32(word, TXWI_W1_PACKETID);
 541
 542         if (wcid != tx_wcid || ack != tx_ack || (!is_agg && pid != tx_pid)) {
 543                 DEBUG(entry->queue->rt2x00dev,
 544                       "TX status report missed for queue %d entry %d\n",
 545                       entry->queue->qid, entry->entry_idx);
 546                 return TXDONE_UNKNOWN;
 547         }
 548
 549         return TXDONE_SUCCESS;
 550 }
 551
 552 static void rt2800usb_txdone(struct rt2x00_dev *rt2x00dev)
 553 {
 554         struct data_queue *queue;
 555         struct queue_entry *entry;
 556         u32 reg;
 557         u8 qid;
 558         enum txdone_entry_desc_flags done_status;
 559
 560         while (kfifo_get(&rt2x00dev->txstatus_fifo, &reg)) {
 561                 /*
 562                  * TX_STA_FIFO_PID_QUEUE is a 2-bit field, thus qid is
 563                  * guaranteed to be one of the TX QIDs .
 564                  */
 565                 qid = rt2x00_get_field32(reg, TX_STA_FIFO_PID_QUEUE);
 566                 queue = rt2x00queue_get_tx_queue(rt2x00dev, qid);
 567
 568                 if (unlikely(rt2x00queue_empty(queue))) {
 569                         WARNING(rt2x00dev, "Got TX status for an empty "
 570                                            "queue %u, dropping\n", qid);
 571                         break;
 572                 }
 573
 574                 entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
 575
 576                 if (unlikely(test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags) ||
 577                              !test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))) {
 578                         WARNING(rt2x00dev, "Data pending for entry %u "
 579                                            "in queue %u\n", entry->entry_idx, qid);
 580                         break;
 581                 }
 582
 583                 done_status = rt2800usb_txdone_entry_check(entry, reg);
 584                 if (likely(done_status == TXDONE_SUCCESS))
 585                         rt2800_txdone_entry(entry, reg, rt2800usb_get_txwi(entry));
 586                 else
 587                         rt2x00lib_txdone_noinfo(entry, done_status);
 588         }
 589 }
 590
 591 static void rt2800usb_txdone_nostatus(struct rt2x00_dev *rt2x00dev)
 592 {
 593         struct data_queue *queue;
 594         struct queue_entry *entry;
 595
 596         /*
 597          * Process any trailing TX status reports for IO failures,
 598          * we loop until we find the first non-IO error entry. This
 599          * can either be a frame which is free, is being uploaded,
 600          * or has completed the upload but didn't have an entry
 601          * in the TX_STAT_FIFO register yet.
 602          */
 603         tx_queue_for_each(rt2x00dev, queue) {
 604                 while (!rt2x00queue_empty(queue)) {
 605                         entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
 606
 607                         if (test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags) ||
 608                             !test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))
 609                                 break;
 610
 611                         if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags))
 612                                 rt2x00lib_txdone_noinfo(entry, TXDONE_FAILURE);
 613                         else if (rt2800usb_entry_txstatus_timeout(entry))
 614                                 rt2x00lib_txdone_noinfo(entry, TXDONE_UNKNOWN);
 615                         else
 616                                 break;
 617                 }
 618         }
 619 }
 620
 621 static void rt2800usb_work_txdone(struct work_struct *work)
 622 {
 623         struct rt2x00_dev *rt2x00dev =
 624             container_of(work, struct rt2x00_dev, txdone_work);
 625
 626         while (!kfifo_is_empty(&rt2x00dev->txstatus_fifo) ||
 627                rt2800usb_txstatus_timeout(rt2x00dev)) {
 628
 629                 rt2800usb_txdone(rt2x00dev);
 630
 631                 rt2800usb_txdone_nostatus(rt2x00dev);
 632
 633                 /*
 634                  * The hw may delay sending the packet after DMA complete
 635                  * if the medium is busy, thus the TX_STA_FIFO entry is
 636                  * also delayed -> use a timer to retrieve it.
 637                  */
 638                 if (rt2800usb_txstatus_pending(rt2x00dev))
 639                         rt2800usb_async_read_tx_status(rt2x00dev);
 640         }
 641 }
 642
 643 /*
 644  * RX control handlers
 645  */
 646 static void rt2800usb_fill_rxdone(struct queue_entry *entry,
 647                                   struct rxdone_entry_desc *rxdesc)
 648 {
 649         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
 650         __le32 *rxi = (__le32 *)entry->skb->data;
 651         __le32 *rxd;
 652         u32 word;
 653         int rx_pkt_len;
 654
 655         /*
 656          * Copy descriptor to the skbdesc->desc buffer, making it safe from
 657          * moving of frame data in rt2x00usb.
 658          */
 659         memcpy(skbdesc->desc, rxi, skbdesc->desc_len);
 660
 661         /*
 662          * RX frame format is :
 663          * | RXINFO | RXWI | header | L2 pad | payload | pad | RXD | USB pad |
 664          *          |<------------ rx_pkt_len -------------->|
 665          */
 666         rt2x00_desc_read(rxi, 0, &word);
 667         rx_pkt_len = rt2x00_get_field32(word, RXINFO_W0_USB_DMA_RX_PKT_LEN);
 668
 669         /*
 670          * Remove the RXINFO structure from the sbk.
 671          */
 672         skb_pull(entry->skb, RXINFO_DESC_SIZE);
 673
 674         /*
 675          * Check for rx_pkt_len validity. Return if invalid, leaving
 676          * rxdesc->size zeroed out by the upper level.
 677          */
 678         if (unlikely(rx_pkt_len == 0 ||
 679                         rx_pkt_len > entry->queue->data_size)) {
 680                 ERROR(entry->queue->rt2x00dev,
 681                         "Bad frame size %d, forcing to 0\n", rx_pkt_len);
 682                 return;
 683         }
 684
 685         rxd = (__le32 *)(entry->skb->data + rx_pkt_len);
 686
 687         /*
 688          * It is now safe to read the descriptor on all architectures.
 689          */
 690         rt2x00_desc_read(rxd, 0, &word);
 691
 692         if (rt2x00_get_field32(word, RXD_W0_CRC_ERROR))
 693                 rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
 694
 695         rxdesc->cipher_status = rt2x00_get_field32(word, RXD_W0_CIPHER_ERROR);
 696
 697         if (rt2x00_get_field32(word, RXD_W0_DECRYPTED)) {
 698                 /*
 699                  * Hardware has stripped IV/EIV data from 802.11 frame during
 700                  * decryption. Unfortunately the descriptor doesn't contain
 701                  * any fields with the EIV/IV data either, so they can't
 702                  * be restored by rt2x00lib.
 703                  */
 704                 rxdesc->flags |= RX_FLAG_IV_STRIPPED;
 705
 706                 /*
 707                  * The hardware has already checked the Michael Mic and has
 708                  * stripped it from the frame. Signal this to mac80211.
 709                  */
 710                 rxdesc->flags |= RX_FLAG_MMIC_STRIPPED;
 711
 712                 if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS)
 713                         rxdesc->flags |= RX_FLAG_DECRYPTED;
 714                 else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC)
 715                         rxdesc->flags |= RX_FLAG_MMIC_ERROR;
 716         }
 717
 718         if (rt2x00_get_field32(word, RXD_W0_MY_BSS))
 719                 rxdesc->dev_flags |= RXDONE_MY_BSS;
 720
 721         if (rt2x00_get_field32(word, RXD_W0_L2PAD))
 722                 rxdesc->dev_flags |= RXDONE_L2PAD;
 723
 724         /*
 725          * Remove RXD descriptor from end of buffer.
 726          */
 727         skb_trim(entry->skb, rx_pkt_len);
 728
 729         /*
 730          * Process the RXWI structure.
 731          */
 732         rt2800_process_rxwi(entry, rxdesc);
 733 }
 734
 735 /*
 736  * Device probe functions.
 737  */
 738 static int rt2800usb_read_eeprom(struct rt2x00_dev *rt2x00dev)
 739 {
 740         int retval;
 741
 742         if (rt2800_efuse_detect(rt2x00dev))
 743                 retval = rt2800_read_eeprom_efuse(rt2x00dev);
 744         else
 745                 retval = rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom,
 746                                                EEPROM_SIZE);
 747
 748         return retval;
 749 }
 750
 751 static int rt2800usb_probe_hw(struct rt2x00_dev *rt2x00dev)
 752 {
 753         int retval;
 754
 755         retval = rt2800_probe_hw(rt2x00dev);
 756         if (retval)
 757                 return retval;
 758
 759         /*
 760          * Set txstatus timer function.
 761          */
 762         rt2x00dev->txstatus_timer.function = rt2800usb_tx_sta_fifo_timeout;
 763
 764         /*
 765          * Overwrite TX done handler
 766          */
 767         PREPARE_WORK(&rt2x00dev->txdone_work, rt2800usb_work_txdone);
 768
 769         return 0;
 770 }
 771
 772 static const struct ieee80211_ops rt2800usb_mac80211_ops = {
 773         .tx                     = rt2x00mac_tx,
 774         .start                  = rt2x00mac_start,
 775         .stop                   = rt2x00mac_stop,
 776         .add_interface          = rt2x00mac_add_interface,
 777         .remove_interface       = rt2x00mac_remove_interface,
 778         .config                 = rt2x00mac_config,
 779         .configure_filter       = rt2x00mac_configure_filter,
 780         .set_tim                = rt2x00mac_set_tim,
 781         .set_key                = rt2x00mac_set_key,
 782         .sw_scan_start          = rt2x00mac_sw_scan_start,
 783         .sw_scan_complete       = rt2x00mac_sw_scan_complete,
 784         .get_stats              = rt2x00mac_get_stats,
 785         .get_tkip_seq           = rt2800_get_tkip_seq,
 786         .set_rts_threshold      = rt2800_set_rts_threshold,
 787         .sta_add                = rt2x00mac_sta_add,
 788         .sta_remove             = rt2x00mac_sta_remove,
 789         .bss_info_changed       = rt2x00mac_bss_info_changed,
 790         .conf_tx                = rt2800_conf_tx,
 791         .get_tsf                = rt2800_get_tsf,
 792         .rfkill_poll            = rt2x00mac_rfkill_poll,
 793         .ampdu_action           = rt2800_ampdu_action,
 794         .flush                  = rt2x00mac_flush,
 795         .get_survey             = rt2800_get_survey,
 796         .get_ringparam          = rt2x00mac_get_ringparam,
 797         .tx_frames_pending      = rt2x00mac_tx_frames_pending,
 798 };
 799
 800 static const struct rt2800_ops rt2800usb_rt2800_ops = {
 801         .register_read          = rt2x00usb_register_read,
 802         .register_read_lock     = rt2x00usb_register_read_lock,
 803         .register_write         = rt2x00usb_register_write,
 804         .register_write_lock    = rt2x00usb_register_write_lock,
 805         .register_multiread     = rt2x00usb_register_multiread,
 806         .register_multiwrite    = rt2x00usb_register_multiwrite,
 807         .regbusy_read           = rt2x00usb_regbusy_read,
 808         .read_eeprom            = rt2800usb_read_eeprom,
 809         .hwcrypt_disabled       = rt2800usb_hwcrypt_disabled,
 810         .drv_write_firmware     = rt2800usb_write_firmware,
 811         .drv_init_registers     = rt2800usb_init_registers,
 812         .drv_get_txwi           = rt2800usb_get_txwi,
 813 };
 814
 815 static const struct rt2x00lib_ops rt2800usb_rt2x00_ops = {
 816         .probe_hw               = rt2800usb_probe_hw,
 817         .get_firmware_name      = rt2800usb_get_firmware_name,
 818         .check_firmware         = rt2800_check_firmware,
 819         .load_firmware          = rt2800_load_firmware,
 820         .initialize             = rt2x00usb_initialize,
 821         .uninitialize           = rt2x00usb_uninitialize,
 822         .clear_entry            = rt2x00usb_clear_entry,
 823         .set_device_state       = rt2800usb_set_device_state,
 824         .rfkill_poll            = rt2800_rfkill_poll,
 825         .link_stats             = rt2800_link_stats,
 826         .reset_tuner            = rt2800_reset_tuner,
 827         .link_tuner             = rt2800_link_tuner,
 828         .gain_calibration       = rt2800_gain_calibration,
 829         .vco_calibration        = rt2800_vco_calibration,
 830         .watchdog               = rt2800usb_watchdog,
 831         .start_queue            = rt2800usb_start_queue,
 832         .kick_queue             = rt2x00usb_kick_queue,
 833         .stop_queue             = rt2800usb_stop_queue,
 834         .flush_queue            = rt2x00usb_flush_queue,
 835         .tx_dma_done            = rt2800usb_tx_dma_done,
 836         .write_tx_desc          = rt2800usb_write_tx_desc,
 837         .write_tx_data          = rt2800_write_tx_data,
 838         .write_beacon           = rt2800_write_beacon,
 839         .clear_beacon           = rt2800_clear_beacon,
 840         .get_tx_data_len        = rt2800usb_get_tx_data_len,
 841         .fill_rxdone            = rt2800usb_fill_rxdone,
 842         .config_shared_key      = rt2800_config_shared_key,
 843         .config_pairwise_key    = rt2800_config_pairwise_key,
 844         .config_filter          = rt2800_config_filter,
 845         .config_intf            = rt2800_config_intf,
 846         .config_erp             = rt2800_config_erp,
 847         .config_ant             = rt2800_config_ant,
 848         .config                 = rt2800_config,
 849         .sta_add                = rt2800_sta_add,
 850         .sta_remove             = rt2800_sta_remove,
 851 };
 852
 853 static const struct data_queue_desc rt2800usb_queue_rx = {
 854         .entry_num              = 128,
 855         .data_size              = AGGREGATION_SIZE,
 856         .desc_size              = RXINFO_DESC_SIZE + RXWI_DESC_SIZE,
 857         .priv_size              = sizeof(struct queue_entry_priv_usb),
 858 };
 859
 860 static const struct data_queue_desc rt2800usb_queue_tx = {
 861         .entry_num              = 16,
 862         .data_size              = AGGREGATION_SIZE,
 863         .desc_size              = TXINFO_DESC_SIZE + TXWI_DESC_SIZE,
 864         .priv_size              = sizeof(struct queue_entry_priv_usb),
 865 };
 866
 867 static const struct data_queue_desc rt2800usb_queue_bcn = {
 868         .entry_num              = 8,
 869         .data_size              = MGMT_FRAME_SIZE,
 870         .desc_size              = TXINFO_DESC_SIZE + TXWI_DESC_SIZE,
 871         .priv_size              = sizeof(struct queue_entry_priv_usb),
 872 };
 873
 874 static const struct rt2x00_ops rt2800usb_ops = {
 875         .name                   = KBUILD_MODNAME,
 876         .drv_data_size          = sizeof(struct rt2800_drv_data),
 877         .max_ap_intf            = 8,
 878         .eeprom_size            = EEPROM_SIZE,
 879         .rf_size                = RF_SIZE,
 880         .tx_queues              = NUM_TX_QUEUES,
 881         .extra_tx_headroom      = TXINFO_DESC_SIZE + TXWI_DESC_SIZE,
 882         .rx                     = &rt2800usb_queue_rx,
 883         .tx                     = &rt2800usb_queue_tx,
 884         .bcn                    = &rt2800usb_queue_bcn,
 885         .lib                    = &rt2800usb_rt2x00_ops,
 886         .drv                    = &rt2800usb_rt2800_ops,
 887         .hw                     = &rt2800usb_mac80211_ops,
 888 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
 889         .debugfs                = &rt2800_rt2x00debug,
 890 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
 891 };
 892
 893 /*
 894  * rt2800usb module information.
 895  */
 896 static struct usb_device_id rt2800usb_device_table[] = {
 897         /* Abocom */
 898         { USB_DEVICE(0x07b8, 0x2870) },
 899         { USB_DEVICE(0x07b8, 0x2770) },
 900         { USB_DEVICE(0x07b8, 0x3070) },
 901         { USB_DEVICE(0x07b8, 0x3071) },
 902         { USB_DEVICE(0x07b8, 0x3072) },
 903         { USB_DEVICE(0x1482, 0x3c09) },
 904         /* AirTies */
 905         { USB_DEVICE(0x1eda, 0x2012) },
 906         { USB_DEVICE(0x1eda, 0x2210) },
 907         { USB_DEVICE(0x1eda, 0x2310) },
 908         /* Allwin */
 909         { USB_DEVICE(0x8516, 0x2070) },
 910         { USB_DEVICE(0x8516, 0x2770) },
 911         { USB_DEVICE(0x8516, 0x2870) },
 912         { USB_DEVICE(0x8516, 0x3070) },
 913         { USB_DEVICE(0x8516, 0x3071) },
 914         { USB_DEVICE(0x8516, 0x3072) },
 915         /* Alpha Networks */
 916         { USB_DEVICE(0x14b2, 0x3c06) },
 917         { USB_DEVICE(0x14b2, 0x3c07) },
 918         { USB_DEVICE(0x14b2, 0x3c09) },
 919         { USB_DEVICE(0x14b2, 0x3c12) },
 920         { USB_DEVICE(0x14b2, 0x3c23) },
 921         { USB_DEVICE(0x14b2, 0x3c25) },
 922         { USB_DEVICE(0x14b2, 0x3c27) },
 923         { USB_DEVICE(0x14b2, 0x3c28) },
 924         { USB_DEVICE(0x14b2, 0x3c2c) },
 925         /* Amit */
 926         { USB_DEVICE(0x15c5, 0x0008) },
 927         /* Askey */
 928         { USB_DEVICE(0x1690, 0x0740) },
 929         /* ASUS */
 930         { USB_DEVICE(0x0b05, 0x1731) },
 931         { USB_DEVICE(0x0b05, 0x1732) },
 932         { USB_DEVICE(0x0b05, 0x1742) },
 933         { USB_DEVICE(0x0b05, 0x1784) },
 934         { USB_DEVICE(0x1761, 0x0b05) },
 935         /* AzureWave */
 936         { USB_DEVICE(0x13d3, 0x3247) },
 937         { USB_DEVICE(0x13d3, 0x3273) },
 938         { USB_DEVICE(0x13d3, 0x3305) },
 939         { USB_DEVICE(0x13d3, 0x3307) },
 940         { USB_DEVICE(0x13d3, 0x3321) },
 941         /* Belkin */
 942         { USB_DEVICE(0x050d, 0x8053) },
 943         { USB_DEVICE(0x050d, 0x805c) },
 944         { USB_DEVICE(0x050d, 0x815c) },
 945         { USB_DEVICE(0x050d, 0x825a) },
 946         { USB_DEVICE(0x050d, 0x825b) },
 947         { USB_DEVICE(0x050d, 0x935a) },
 948         { USB_DEVICE(0x050d, 0x935b) },
 949         /* Buffalo */
 950         { USB_DEVICE(0x0411, 0x00e8) },
 951         { USB_DEVICE(0x0411, 0x0158) },
 952         { USB_DEVICE(0x0411, 0x015d) },
 953         { USB_DEVICE(0x0411, 0x016f) },
 954         { USB_DEVICE(0x0411, 0x01a2) },
 955         { USB_DEVICE(0x0411, 0x01ee) },
 956         /* Corega */
 957         { USB_DEVICE(0x07aa, 0x002f) },
 958         { USB_DEVICE(0x07aa, 0x003c) },
 959         { USB_DEVICE(0x07aa, 0x003f) },
 960         { USB_DEVICE(0x18c5, 0x0012) },
 961         /* D-Link */
 962         { USB_DEVICE(0x07d1, 0x3c09) },
 963         { USB_DEVICE(0x07d1, 0x3c0a) },
 964         { USB_DEVICE(0x07d1, 0x3c0d) },
 965         { USB_DEVICE(0x07d1, 0x3c0e) },
 966         { USB_DEVICE(0x07d1, 0x3c0f) },
 967         { USB_DEVICE(0x07d1, 0x3c11) },
 968         { USB_DEVICE(0x07d1, 0x3c13) },
 969         { USB_DEVICE(0x07d1, 0x3c15) },
 970         { USB_DEVICE(0x07d1, 0x3c16) },
 971         { USB_DEVICE(0x2001, 0x3c1b) },
 972         /* Draytek */
 973         { USB_DEVICE(0x07fa, 0x7712) },
 974         /* DVICO */
 975         { USB_DEVICE(0x0fe9, 0xb307) },
 976         /* Edimax */
 977         { USB_DEVICE(0x7392, 0x4085) },
 978         { USB_DEVICE(0x7392, 0x7711) },
 979         { USB_DEVICE(0x7392, 0x7717) },
 980         { USB_DEVICE(0x7392, 0x7718) },
 981         { USB_DEVICE(0x7392, 0x7722) },
 982         /* Encore */
 983         { USB_DEVICE(0x203d, 0x1480) },
 984         { USB_DEVICE(0x203d, 0x14a9) },
 985         /* EnGenius */
 986         { USB_DEVICE(0x1740, 0x9701) },
 987         { USB_DEVICE(0x1740, 0x9702) },
 988         { USB_DEVICE(0x1740, 0x9703) },
 989         { USB_DEVICE(0x1740, 0x9705) },
 990         { USB_DEVICE(0x1740, 0x9706) },
 991         { USB_DEVICE(0x1740, 0x9707) },
 992         { USB_DEVICE(0x1740, 0x9708) },
 993         { USB_DEVICE(0x1740, 0x9709) },
 994         /* Gemtek */
 995         { USB_DEVICE(0x15a9, 0x0012) },
 996         /* Gigabyte */
 997         { USB_DEVICE(0x1044, 0x800b) },
 998         { USB_DEVICE(0x1044, 0x800d) },
 999         /* Hawking */
1000         { USB_DEVICE(0x0e66, 0x0001) },
1001         { USB_DEVICE(0x0e66, 0x0003) },
1002         { USB_DEVICE(0x0e66, 0x0009) },
1003         { USB_DEVICE(0x0e66, 0x000b) },
1004         { USB_DEVICE(0x0e66, 0x0013) },
1005         { USB_DEVICE(0x0e66, 0x0017) },
1006         { USB_DEVICE(0x0e66, 0x0018) },
1007         /* I-O DATA */
1008         { USB_DEVICE(0x04bb, 0x0945) },
1009         { USB_DEVICE(0x04bb, 0x0947) },
1010         { USB_DEVICE(0x04bb, 0x0948) },
1011         /* Linksys */
1012         { USB_DEVICE(0x13b1, 0x0031) },
1013         { USB_DEVICE(0x1737, 0x0070) },
1014         { USB_DEVICE(0x1737, 0x0071) },
1015         { USB_DEVICE(0x1737, 0x0077) },
1016         { USB_DEVICE(0x1737, 0x0078) },
1017         /* Logitec */
1018         { USB_DEVICE(0x0789, 0x0162) },
1019         { USB_DEVICE(0x0789, 0x0163) },
1020         { USB_DEVICE(0x0789, 0x0164) },
1021         { USB_DEVICE(0x0789, 0x0166) },
1022         /* Motorola */
1023         { USB_DEVICE(0x100d, 0x9031) },
1024         /* MSI */
1025         { USB_DEVICE(0x0db0, 0x3820) },
1026         { USB_DEVICE(0x0db0, 0x3821) },
1027         { USB_DEVICE(0x0db0, 0x3822) },
1028         { USB_DEVICE(0x0db0, 0x3870) },
1029         { USB_DEVICE(0x0db0, 0x3871) },
1030         { USB_DEVICE(0x0db0, 0x6899) },
1031         { USB_DEVICE(0x0db0, 0x821a) },
1032         { USB_DEVICE(0x0db0, 0x822a) },
1033         { USB_DEVICE(0x0db0, 0x822b) },
1034         { USB_DEVICE(0x0db0, 0x822c) },
1035         { USB_DEVICE(0x0db0, 0x870a) },
1036         { USB_DEVICE(0x0db0, 0x871a) },
1037         { USB_DEVICE(0x0db0, 0x871b) },
1038         { USB_DEVICE(0x0db0, 0x871c) },
1039         { USB_DEVICE(0x0db0, 0x899a) },
1040         /* Ovislink */
1041         { USB_DEVICE(0x1b75, 0x3071) },
1042         { USB_DEVICE(0x1b75, 0x3072) },
1043         /* Para */
1044         { USB_DEVICE(0x20b8, 0x8888) },
1045         /* Pegatron */
1046         { USB_DEVICE(0x1d4d, 0x0002) },
1047         { USB_DEVICE(0x1d4d, 0x000c) },
1048         { USB_DEVICE(0x1d4d, 0x000e) },
1049         { USB_DEVICE(0x1d4d, 0x0011) },
1050         /* Philips */
1051         { USB_DEVICE(0x0471, 0x200f) },
1052         /* Planex */
1053         { USB_DEVICE(0x2019, 0x5201) },
1054         { USB_DEVICE(0x2019, 0xab25) },
1055         { USB_DEVICE(0x2019, 0xed06) },
1056         /* Quanta */
1057         { USB_DEVICE(0x1a32, 0x0304) },
1058         /* Ralink */
1059         { USB_DEVICE(0x148f, 0x2070) },
1060         { USB_DEVICE(0x148f, 0x2770) },
1061         { USB_DEVICE(0x148f, 0x2870) },
1062         { USB_DEVICE(0x148f, 0x3070) },
1063         { USB_DEVICE(0x148f, 0x3071) },
1064         { USB_DEVICE(0x148f, 0x3072) },
1065         /* Samsung */
1066         { USB_DEVICE(0x04e8, 0x2018) },
1067         /* Siemens */
1068         { USB_DEVICE(0x129b, 0x1828) },
1069         /* Sitecom */
1070         { USB_DEVICE(0x0df6, 0x0017) },
1071         { USB_DEVICE(0x0df6, 0x002b) },
1072         { USB_DEVICE(0x0df6, 0x002c) },
1073         { USB_DEVICE(0x0df6, 0x002d) },
1074         { USB_DEVICE(0x0df6, 0x0039) },
1075         { USB_DEVICE(0x0df6, 0x003b) },
1076         { USB_DEVICE(0x0df6, 0x003d) },
1077         { USB_DEVICE(0x0df6, 0x003e) },
1078         { USB_DEVICE(0x0df6, 0x003f) },
1079         { USB_DEVICE(0x0df6, 0x0040) },
1080         { USB_DEVICE(0x0df6, 0x0042) },
1081         { USB_DEVICE(0x0df6, 0x0047) },
1082         { USB_DEVICE(0x0df6, 0x0048) },
1083         { USB_DEVICE(0x0df6, 0x0051) },
1084         { USB_DEVICE(0x0df6, 0x005f) },
1085         { USB_DEVICE(0x0df6, 0x0060) },
1086         /* SMC */
1087         { USB_DEVICE(0x083a, 0x6618) },
1088         { USB_DEVICE(0x083a, 0x7511) },
1089         { USB_DEVICE(0x083a, 0x7512) },
1090         { USB_DEVICE(0x083a, 0x7522) },
1091         { USB_DEVICE(0x083a, 0x8522) },
1092         { USB_DEVICE(0x083a, 0xa618) },
1093         { USB_DEVICE(0x083a, 0xa701) },
1094         { USB_DEVICE(0x083a, 0xa702) },
1095         { USB_DEVICE(0x083a, 0xa703) },
1096         { USB_DEVICE(0x083a, 0xb522) },
1097         /* Sparklan */
1098         { USB_DEVICE(0x15a9, 0x0006) },
1099         /* Sweex */
1100         { USB_DEVICE(0x177f, 0x0153) },
1101         { USB_DEVICE(0x177f, 0x0302) },
1102         { USB_DEVICE(0x177f, 0x0313) },
1103         { USB_DEVICE(0x177f, 0x0323) },
1104         /* U-Media */
1105         { USB_DEVICE(0x157e, 0x300e) },
1106         { USB_DEVICE(0x157e, 0x3013) },
1107         /* ZCOM */
1108         { USB_DEVICE(0x0cde, 0x0022) },
1109         { USB_DEVICE(0x0cde, 0x0025) },
1110         /* Zinwell */
1111         { USB_DEVICE(0x5a57, 0x0280) },
1112         { USB_DEVICE(0x5a57, 0x0282) },
1113         { USB_DEVICE(0x5a57, 0x0283) },
1114         { USB_DEVICE(0x5a57, 0x5257) },
1115         /* Zyxel */
1116         { USB_DEVICE(0x0586, 0x3416) },
1117         { USB_DEVICE(0x0586, 0x3418) },
1118         { USB_DEVICE(0x0586, 0x341e) },
1119         { USB_DEVICE(0x0586, 0x343e) },
1120 #ifdef CONFIG_RT2800USB_RT33XX
1121         /* Belkin */
1122         { USB_DEVICE(0x050d, 0x945b) },
1123         /* D-Link */
1124         { USB_DEVICE(0x2001, 0x3c17) },
1125         /* Panasonic */
1126         { USB_DEVICE(0x083a, 0xb511) },
1127         /* Philips */
1128         { USB_DEVICE(0x0471, 0x20dd) },
1129         /* Ralink */
1130         { USB_DEVICE(0x148f, 0x3370) },
1131         { USB_DEVICE(0x148f, 0x8070) },
1132         /* Sitecom */
1133         { USB_DEVICE(0x0df6, 0x0050) },
1134 #endif
1135 #ifdef CONFIG_RT2800USB_RT35XX
1136         /* Allwin */
1137         { USB_DEVICE(0x8516, 0x3572) },
1138         /* Askey */
1139         { USB_DEVICE(0x1690, 0x0744) },
1140         { USB_DEVICE(0x1690, 0x0761) },
1141         { USB_DEVICE(0x1690, 0x0764) },
1142         /* ASUS */
1143         { USB_DEVICE(0x0b05, 0x179d) },
1144         /* Cisco */
1145         { USB_DEVICE(0x167b, 0x4001) },
1146         /* EnGenius */
1147         { USB_DEVICE(0x1740, 0x9801) },
1148         /* I-O DATA */
1149         { USB_DEVICE(0x04bb, 0x0944) },
1150         /* Linksys */
1151         { USB_DEVICE(0x13b1, 0x002f) },
1152         { USB_DEVICE(0x1737, 0x0079) },
1153         /* Ralink */
1154         { USB_DEVICE(0x148f, 0x3572) },
1155         /* Sitecom */
1156         { USB_DEVICE(0x0df6, 0x0041) },
1157         { USB_DEVICE(0x0df6, 0x0062) },
1158         { USB_DEVICE(0x0df6, 0x0065) },
1159         { USB_DEVICE(0x0df6, 0x0066) },
1160         { USB_DEVICE(0x0df6, 0x0068) },
1161         /* Toshiba */
1162         { USB_DEVICE(0x0930, 0x0a07) },
1163         /* Zinwell */
1164         { USB_DEVICE(0x5a57, 0x0284) },
1165 #endif
1166 #ifdef CONFIG_RT2800USB_RT53XX
1167         /* Arcadyan */
1168         { USB_DEVICE(0x043e, 0x7a12) },
1169         /* Azurewave */
1170         { USB_DEVICE(0x13d3, 0x3329) },
1171         { USB_DEVICE(0x13d3, 0x3365) },
1172         /* D-Link */
1173         { USB_DEVICE(0x2001, 0x3c15) },
1174         { USB_DEVICE(0x2001, 0x3c19) },
1175         { USB_DEVICE(0x2001, 0x3c1c) },
1176         { USB_DEVICE(0x2001, 0x3c1d) },
1177         { USB_DEVICE(0x2001, 0x3c1e) },
1178         /* LG innotek */
1179         { USB_DEVICE(0x043e, 0x7a22) },
1180         /* Panasonic */
1181         { USB_DEVICE(0x04da, 0x1801) },
1182         { USB_DEVICE(0x04da, 0x1800) },
1183         /* Philips */
1184         { USB_DEVICE(0x0471, 0x2104) },
1185         /* Ralink */
1186         { USB_DEVICE(0x148f, 0x5370) },
1187         { USB_DEVICE(0x148f, 0x5372) },
1188         /* Unknown */
1189         { USB_DEVICE(0x04da, 0x23f6) },
1190 #endif
1191 #ifdef CONFIG_RT2800USB_UNKNOWN
1192         /*
1193          * Unclear what kind of devices these are (they aren't supported by the
1194          * vendor linux driver).
1195          */
1196         /* Abocom */
1197         { USB_DEVICE(0x07b8, 0x3073) },
1198         { USB_DEVICE(0x07b8, 0x3074) },
1199         /* Alpha Networks */
1200         { USB_DEVICE(0x14b2, 0x3c08) },
1201         { USB_DEVICE(0x14b2, 0x3c11) },
1202         /* Amigo */
1203         { USB_DEVICE(0x0e0b, 0x9031) },
1204         { USB_DEVICE(0x0e0b, 0x9041) },
1205         /* ASUS */
1206         { USB_DEVICE(0x0b05, 0x166a) },
1207         { USB_DEVICE(0x0b05, 0x1760) },
1208         { USB_DEVICE(0x0b05, 0x1761) },
1209         { USB_DEVICE(0x0b05, 0x1790) },
1210         /* AzureWave */
1211         { USB_DEVICE(0x13d3, 0x3262) },
1212         { USB_DEVICE(0x13d3, 0x3284) },
1213         { USB_DEVICE(0x13d3, 0x3322) },
1214         /* Belkin */
1215         { USB_DEVICE(0x050d, 0x1003) },
1216         /* Buffalo */
1217         { USB_DEVICE(0x0411, 0x012e) },
1218         { USB_DEVICE(0x0411, 0x0148) },
1219         { USB_DEVICE(0x0411, 0x0150) },
1220         /* Corega */
1221         { USB_DEVICE(0x07aa, 0x0041) },
1222         { USB_DEVICE(0x07aa, 0x0042) },
1223         { USB_DEVICE(0x18c5, 0x0008) },
1224         /* D-Link */
1225         { USB_DEVICE(0x07d1, 0x3c0b) },
1226         { USB_DEVICE(0x07d1, 0x3c17) },
1227         /* Encore */
1228         { USB_DEVICE(0x203d, 0x14a1) },
1229         /* Gemtek */
1230         { USB_DEVICE(0x15a9, 0x0010) },
1231         /* Gigabyte */
1232         { USB_DEVICE(0x1044, 0x800c) },
1233         /* Huawei */
1234         { USB_DEVICE(0x148f, 0xf101) },
1235         /* I-O DATA */
1236         { USB_DEVICE(0x04bb, 0x094b) },
1237         /* LevelOne */
1238         { USB_DEVICE(0x1740, 0x0605) },
1239         { USB_DEVICE(0x1740, 0x0615) },
1240         /* Logitec */
1241         { USB_DEVICE(0x0789, 0x0168) },
1242         { USB_DEVICE(0x0789, 0x0169) },
1243         /* Motorola */
1244         { USB_DEVICE(0x100d, 0x9032) },
1245         /* Pegatron */
1246         { USB_DEVICE(0x05a6, 0x0101) },
1247         { USB_DEVICE(0x1d4d, 0x0010) },
1248         /* Planex */
1249         { USB_DEVICE(0x2019, 0xab24) },
1250         /* Qcom */
1251         { USB_DEVICE(0x18e8, 0x6259) },
1252         /* RadioShack */
1253         { USB_DEVICE(0x08b9, 0x1197) },
1254         /* Sitecom */
1255         { USB_DEVICE(0x0df6, 0x003c) },
1256         { USB_DEVICE(0x0df6, 0x004a) },
1257         { USB_DEVICE(0x0df6, 0x004d) },
1258         { USB_DEVICE(0x0df6, 0x0053) },
1259         /* SMC */
1260         { USB_DEVICE(0x083a, 0xa512) },
1261         { USB_DEVICE(0x083a, 0xc522) },
1262         { USB_DEVICE(0x083a, 0xd522) },
1263         { USB_DEVICE(0x083a, 0xf511) },
1264         /* Zyxel */
1265         { USB_DEVICE(0x0586, 0x341a) },
1266 #endif
1267         { 0, }
1268 };
1269
1270 MODULE_AUTHOR(DRV_PROJECT);
1271 MODULE_VERSION(DRV_VERSION);
1272 MODULE_DESCRIPTION("Ralink RT2800 USB Wireless LAN driver.");
1273 MODULE_SUPPORTED_DEVICE("Ralink RT2870 USB chipset based cards");
1274 MODULE_DEVICE_TABLE(usb, rt2800usb_device_table);
1275 MODULE_FIRMWARE(FIRMWARE_RT2870);
1276 MODULE_LICENSE("GPL");
1277
1278 static int rt2800usb_probe(struct usb_interface *usb_intf,
1279                            const struct usb_device_id *id)
1280 {
1281         return rt2x00usb_probe(usb_intf, &rt2800usb_ops);
1282 }
1283
1284 static struct usb_driver rt2800usb_driver = {
1285         .name           = KBUILD_MODNAME,
1286         .id_table       = rt2800usb_device_table,
1287         .probe          = rt2800usb_probe,
1288         .disconnect     = rt2x00usb_disconnect,
1289         .suspend        = rt2x00usb_suspend,
1290         .resume         = rt2x00usb_resume,
1291         .reset_resume   = rt2x00usb_resume,
1292         .disable_hub_initiated_lpm = 1,
1293 };
1294
1295 module_usb_driver(rt2800usb_driver);