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 /*
  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 inline bool rt2800usb_entry_txstatus_timeout(struct queue_entry *entry)
 118 {
 119         bool tout;
 120
 121         if (!test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))
 122                 return false;
 123
 124         tout = time_after(jiffies, entry->last_action + msecs_to_jiffies(100));
 125         if (unlikely(tout))
 126                 WARNING(entry->queue->rt2x00dev,
 127                         "TX status timeout for entry %d in queue %d\n",
 128                         entry->entry_idx, entry->queue->qid);
 129         return tout;
 130
 131 }
 132
 133 static bool rt2800usb_txstatus_timeout(struct rt2x00_dev *rt2x00dev)
 134 {
 135         struct data_queue *queue;
 136         struct queue_entry *entry;
 137
 138         tx_queue_for_each(rt2x00dev, queue) {
 139                 entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
 140                 if (rt2800usb_entry_txstatus_timeout(entry))
 141                         return true;
 142         }
 143         return false;
 144 }
 145
 146 static bool rt2800usb_tx_sta_fifo_read_completed(struct rt2x00_dev *rt2x00dev,
 147                                                  int urb_status, u32 tx_status)
 148 {
 149         bool valid;
 150
 151         if (urb_status) {
 152                 WARNING(rt2x00dev, "TX status read failed %d\n", urb_status);
 153
 154                 goto stop_reading;
 155         }
 156
 157         valid = rt2x00_get_field32(tx_status, TX_STA_FIFO_VALID);
 158         if (valid) {
 159                 if (!kfifo_put(&rt2x00dev->txstatus_fifo, &tx_status))
 160                         WARNING(rt2x00dev, "TX status FIFO overrun\n");
 161
 162                 queue_work(rt2x00dev->workqueue, &rt2x00dev->txdone_work);
 163
 164                 /* Reschedule urb to read TX status again instantly */
 165                 return true;
 166         }
 167
 168         /* Check if there is any entry that timedout waiting on TX status */
 169         if (rt2800usb_txstatus_timeout(rt2x00dev))
 170                 queue_work(rt2x00dev->workqueue, &rt2x00dev->txdone_work);
 171
 172         if (rt2800usb_txstatus_pending(rt2x00dev)) {
 173                 /* Read register after 250 us */
 174                 hrtimer_start(&rt2x00dev->txstatus_timer, ktime_set(0, 250000),
 175                               HRTIMER_MODE_REL);
 176                 return false;
 177         }
 178
 179 stop_reading:
 180         clear_bit(TX_STATUS_READING, &rt2x00dev->flags);
 181         /*
 182          * There is small race window above, between txstatus pending check and
 183          * clear_bit someone could do rt2x00usb_interrupt_txdone, so recheck
 184          * here again if status reading is needed.
 185          */
 186         if (rt2800usb_txstatus_pending(rt2x00dev) &&
 187             !test_and_set_bit(TX_STATUS_READING, &rt2x00dev->flags))
 188                 return true;
 189         else
 190                 return false;
 191 }
 192
 193 static void rt2800usb_async_read_tx_status(struct rt2x00_dev *rt2x00dev)
 194 {
 195
 196         if (test_and_set_bit(TX_STATUS_READING, &rt2x00dev->flags))
 197                 return;
 198
 199         /* Read TX_STA_FIFO register after 500 us */
 200         hrtimer_start(&rt2x00dev->txstatus_timer, ktime_set(0, 500000),
 201                       HRTIMER_MODE_REL);
 202 }
 203
 204 static void rt2800usb_tx_dma_done(struct queue_entry *entry)
 205 {
 206         struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
 207
 208         rt2800usb_async_read_tx_status(rt2x00dev);
 209 }
 210
 211 static enum hrtimer_restart rt2800usb_tx_sta_fifo_timeout(struct hrtimer *timer)
 212 {
 213         struct rt2x00_dev *rt2x00dev =
 214             container_of(timer, struct rt2x00_dev, txstatus_timer);
 215
 216         rt2x00usb_register_read_async(rt2x00dev, TX_STA_FIFO,
 217                                       rt2800usb_tx_sta_fifo_read_completed);
 218
 219         return HRTIMER_NORESTART;
 220 }
 221
 222 /*
 223  * Firmware functions
 224  */
 225 static char *rt2800usb_get_firmware_name(struct rt2x00_dev *rt2x00dev)
 226 {
 227         return FIRMWARE_RT2870;
 228 }
 229
 230 static int rt2800usb_write_firmware(struct rt2x00_dev *rt2x00dev,
 231                                     const u8 *data, const size_t len)
 232 {
 233         int status;
 234         u32 offset;
 235         u32 length;
 236
 237         /*
 238          * Check which section of the firmware we need.
 239          */
 240         if (rt2x00_rt(rt2x00dev, RT2860) ||
 241             rt2x00_rt(rt2x00dev, RT2872) ||
 242             rt2x00_rt(rt2x00dev, RT3070)) {
 243                 offset = 0;
 244                 length = 4096;
 245         } else {
 246                 offset = 4096;
 247                 length = 4096;
 248         }
 249
 250         /*
 251          * Write firmware to device.
 252          */
 253         rt2x00usb_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE,
 254                                       data + offset, length);
 255
 256         rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0);
 257         rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0);
 258
 259         /*
 260          * Send firmware request to device to load firmware,
 261          * we need to specify a long timeout time.
 262          */
 263         status = rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE,
 264                                              0, USB_MODE_FIRMWARE,
 265                                              REGISTER_TIMEOUT_FIRMWARE);
 266         if (status < 0) {
 267                 ERROR(rt2x00dev, "Failed to write Firmware to device.\n");
 268                 return status;
 269         }
 270
 271         msleep(10);
 272         rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
 273
 274         return 0;
 275 }
 276
 277 /*
 278  * Device state switch handlers.
 279  */
 280 static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
 281 {
 282         u32 reg;
 283
 284         /*
 285          * Wait until BBP and RF are ready.
 286          */
 287         if (rt2800_wait_csr_ready(rt2x00dev))
 288                 return -EBUSY;
 289
 290         rt2x00usb_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
 291         rt2x00usb_register_write(rt2x00dev, PBF_SYS_CTRL, reg & ~0x00002000);
 292
 293         reg = 0;
 294         rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_CSR, 1);
 295         rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_BBP, 1);
 296         rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
 297
 298         rt2x00usb_register_write(rt2x00dev, USB_DMA_CFG, 0x00000000);
 299
 300         rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0,
 301                                     USB_MODE_RESET, REGISTER_TIMEOUT);
 302
 303         rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
 304
 305         return 0;
 306 }
 307
 308 static int rt2800usb_enable_radio(struct rt2x00_dev *rt2x00dev)
 309 {
 310         u32 reg;
 311
 312         if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev)))
 313                 return -EIO;
 314
 315         rt2x00usb_register_read(rt2x00dev, USB_DMA_CFG, &reg);
 316         rt2x00_set_field32(&reg, USB_DMA_CFG_PHY_CLEAR, 0);
 317         rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_EN, 0);
 318         rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_TIMEOUT, 128);
 319         /*
 320          * Total room for RX frames in kilobytes, PBF might still exceed
 321          * this limit so reduce the number to prevent errors.
 322          */
 323         rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_LIMIT,
 324                            ((rt2x00dev->ops->rx->entry_num * DATA_FRAME_SIZE)
 325                             / 1024) - 3);
 326         rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_EN, 1);
 327         rt2x00_set_field32(&reg, USB_DMA_CFG_TX_BULK_EN, 1);
 328         rt2x00usb_register_write(rt2x00dev, USB_DMA_CFG, reg);
 329
 330         return rt2800_enable_radio(rt2x00dev);
 331 }
 332
 333 static void rt2800usb_disable_radio(struct rt2x00_dev *rt2x00dev)
 334 {
 335         rt2800_disable_radio(rt2x00dev);
 336         rt2x00usb_disable_radio(rt2x00dev);
 337 }
 338
 339 static int rt2800usb_set_state(struct rt2x00_dev *rt2x00dev,
 340                                enum dev_state state)
 341 {
 342         if (state == STATE_AWAKE)
 343                 rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, 0xff, 0, 2);
 344         else
 345                 rt2800_mcu_request(rt2x00dev, MCU_SLEEP, 0xff, 0xff, 2);
 346
 347         return 0;
 348 }
 349
 350 static int rt2800usb_set_device_state(struct rt2x00_dev *rt2x00dev,
 351                                       enum dev_state state)
 352 {
 353         int retval = 0;
 354
 355         switch (state) {
 356         case STATE_RADIO_ON:
 357                 /*
 358                  * Before the radio can be enabled, the device first has
 359                  * to be woken up. After that it needs a bit of time
 360                  * to be fully awake and then the radio can be enabled.
 361                  */
 362                 rt2800usb_set_state(rt2x00dev, STATE_AWAKE);
 363                 msleep(1);
 364                 retval = rt2800usb_enable_radio(rt2x00dev);
 365                 break;
 366         case STATE_RADIO_OFF:
 367                 /*
 368                  * After the radio has been disabled, the device should
 369                  * be put to sleep for powersaving.
 370                  */
 371                 rt2800usb_disable_radio(rt2x00dev);
 372                 rt2800usb_set_state(rt2x00dev, STATE_SLEEP);
 373                 break;
 374         case STATE_RADIO_IRQ_ON:
 375         case STATE_RADIO_IRQ_OFF:
 376                 /* No support, but no error either */
 377                 break;
 378         case STATE_DEEP_SLEEP:
 379         case STATE_SLEEP:
 380         case STATE_STANDBY:
 381         case STATE_AWAKE:
 382                 retval = rt2800usb_set_state(rt2x00dev, state);
 383                 break;
 384         default:
 385                 retval = -ENOTSUPP;
 386                 break;
 387         }
 388
 389         if (unlikely(retval))
 390                 ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n",
 391                       state, retval);
 392
 393         return retval;
 394 }
 395
 396 /*
 397  * Watchdog handlers
 398  */
 399 static void rt2800usb_watchdog(struct rt2x00_dev *rt2x00dev)
 400 {
 401         unsigned int i;
 402         u32 reg;
 403
 404         rt2x00usb_register_read(rt2x00dev, TXRXQ_PCNT, &reg);
 405         if (rt2x00_get_field32(reg, TXRXQ_PCNT_TX0Q)) {
 406                 WARNING(rt2x00dev, "TX HW queue 0 timed out,"
 407                         " invoke forced kick\n");
 408
 409                 rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40012);
 410
 411                 for (i = 0; i < 10; i++) {
 412                         udelay(10);
 413                         if (!rt2x00_get_field32(reg, TXRXQ_PCNT_TX0Q))
 414                                 break;
 415                 }
 416
 417                 rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40006);
 418         }
 419
 420         rt2x00usb_register_read(rt2x00dev, TXRXQ_PCNT, &reg);
 421         if (rt2x00_get_field32(reg, TXRXQ_PCNT_TX1Q)) {
 422                 WARNING(rt2x00dev, "TX HW queue 1 timed out,"
 423                         " invoke forced kick\n");
 424
 425                 rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf4000a);
 426
 427                 for (i = 0; i < 10; i++) {
 428                         udelay(10);
 429                         if (!rt2x00_get_field32(reg, TXRXQ_PCNT_TX1Q))
 430                                 break;
 431                 }
 432
 433                 rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40006);
 434         }
 435
 436         rt2x00usb_watchdog(rt2x00dev);
 437 }
 438
 439 /*
 440  * TX descriptor initialization
 441  */
 442 static __le32 *rt2800usb_get_txwi(struct queue_entry *entry)
 443 {
 444         if (entry->queue->qid == QID_BEACON)
 445                 return (__le32 *) (entry->skb->data);
 446         else
 447                 return (__le32 *) (entry->skb->data + TXINFO_DESC_SIZE);
 448 }
 449
 450 static void rt2800usb_write_tx_desc(struct queue_entry *entry,
 451                                     struct txentry_desc *txdesc)
 452 {
 453         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
 454         __le32 *txi = (__le32 *) entry->skb->data;
 455         u32 word;
 456
 457         /*
 458          * Initialize TXINFO descriptor
 459          */
 460         rt2x00_desc_read(txi, 0, &word);
 461
 462         /*
 463          * The size of TXINFO_W0_USB_DMA_TX_PKT_LEN is
 464          * TXWI + 802.11 header + L2 pad + payload + pad,
 465          * so need to decrease size of TXINFO.
 466          */
 467         rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_PKT_LEN,
 468                            roundup(entry->skb->len, 4) - TXINFO_DESC_SIZE);
 469         rt2x00_set_field32(&word, TXINFO_W0_WIV,
 470                            !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags));
 471         rt2x00_set_field32(&word, TXINFO_W0_QSEL, 2);
 472         rt2x00_set_field32(&word, TXINFO_W0_SW_USE_LAST_ROUND, 0);
 473         rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_NEXT_VALID, 0);
 474         rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_BURST,
 475                            test_bit(ENTRY_TXD_BURST, &txdesc->flags));
 476         rt2x00_desc_write(txi, 0, word);
 477
 478         /*
 479          * Register descriptor details in skb frame descriptor.
 480          */
 481         skbdesc->flags |= SKBDESC_DESC_IN_SKB;
 482         skbdesc->desc = txi;
 483         skbdesc->desc_len = TXINFO_DESC_SIZE + TXWI_DESC_SIZE;
 484 }
 485
 486 /*
 487  * TX data initialization
 488  */
 489 static int rt2800usb_get_tx_data_len(struct queue_entry *entry)
 490 {
 491         /*
 492          * pad(1~3 bytes) is needed after each 802.11 payload.
 493          * USB end pad(4 bytes) is needed at each USB bulk out packet end.
 494          * TX frame format is :
 495          * | TXINFO | TXWI | 802.11 header | L2 pad | payload | pad | USB end pad |
 496          *                 |<------------- tx_pkt_len ------------->|
 497          */
 498
 499         return roundup(entry->skb->len, 4) + 4;
 500 }
 501
 502 /*
 503  * TX control handlers
 504  */
 505 static enum txdone_entry_desc_flags
 506 rt2800usb_txdone_entry_check(struct queue_entry *entry, u32 reg)
 507 {
 508         __le32 *txwi;
 509         u32 word;
 510         int wcid, ack, pid;
 511         int tx_wcid, tx_ack, tx_pid, is_agg;
 512
 513         /*
 514          * This frames has returned with an IO error,
 515          * so the status report is not intended for this
 516          * frame.
 517          */
 518         if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags))
 519                 return TXDONE_FAILURE;
 520
 521         wcid    = rt2x00_get_field32(reg, TX_STA_FIFO_WCID);
 522         ack     = rt2x00_get_field32(reg, TX_STA_FIFO_TX_ACK_REQUIRED);
 523         pid     = rt2x00_get_field32(reg, TX_STA_FIFO_PID_TYPE);
 524         is_agg  = rt2x00_get_field32(reg, TX_STA_FIFO_TX_AGGRE);
 525
 526         /*
 527          * Validate if this TX status report is intended for
 528          * this entry by comparing the WCID/ACK/PID fields.
 529          */
 530         txwi = rt2800usb_get_txwi(entry);
 531
 532         rt2x00_desc_read(txwi, 1, &word);
 533         tx_wcid = rt2x00_get_field32(word, TXWI_W1_WIRELESS_CLI_ID);
 534         tx_ack  = rt2x00_get_field32(word, TXWI_W1_ACK);
 535         tx_pid  = rt2x00_get_field32(word, TXWI_W1_PACKETID);
 536
 537         if (wcid != tx_wcid || ack != tx_ack || (!is_agg && pid != tx_pid)) {
 538                 WARNING(entry->queue->rt2x00dev,
 539                         "TX status report missed for queue %d entry %d\n",
 540                         entry->queue->qid, entry->entry_idx);
 541                 return TXDONE_UNKNOWN;
 542         }
 543
 544         return TXDONE_SUCCESS;
 545 }
 546
 547 static void rt2800usb_txdone(struct rt2x00_dev *rt2x00dev)
 548 {
 549         struct data_queue *queue;
 550         struct queue_entry *entry;
 551         u32 reg;
 552         u8 qid;
 553         enum txdone_entry_desc_flags done_status;
 554
 555         while (kfifo_get(&rt2x00dev->txstatus_fifo, &reg)) {
 556                 /*
 557                  * TX_STA_FIFO_PID_QUEUE is a 2-bit field, thus qid is
 558                  * guaranteed to be one of the TX QIDs .
 559                  */
 560                 qid = rt2x00_get_field32(reg, TX_STA_FIFO_PID_QUEUE);
 561                 queue = rt2x00queue_get_tx_queue(rt2x00dev, qid);
 562
 563                 if (unlikely(rt2x00queue_empty(queue))) {
 564                         WARNING(rt2x00dev, "Got TX status for an empty "
 565                                            "queue %u, dropping\n", qid);
 566                         break;
 567                 }
 568
 569                 entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
 570
 571                 if (unlikely(test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags) ||
 572                              !test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))) {
 573                         WARNING(rt2x00dev, "Data pending for entry %u "
 574                                            "in queue %u\n", entry->entry_idx, qid);
 575                         break;
 576                 }
 577
 578                 done_status = rt2800usb_txdone_entry_check(entry, reg);
 579                 if (likely(done_status == TXDONE_SUCCESS))
 580                         rt2800_txdone_entry(entry, reg, rt2800usb_get_txwi(entry));
 581                 else
 582                         rt2x00lib_txdone_noinfo(entry, done_status);
 583         }
 584 }
 585
 586 static void rt2800usb_txdone_nostatus(struct rt2x00_dev *rt2x00dev)
 587 {
 588         struct data_queue *queue;
 589         struct queue_entry *entry;
 590
 591         /*
 592          * Process any trailing TX status reports for IO failures,
 593          * we loop until we find the first non-IO error entry. This
 594          * can either be a frame which is free, is being uploaded,
 595          * or has completed the upload but didn't have an entry
 596          * in the TX_STAT_FIFO register yet.
 597          */
 598         tx_queue_for_each(rt2x00dev, queue) {
 599                 while (!rt2x00queue_empty(queue)) {
 600                         entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
 601
 602                         if (test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags) ||
 603                             !test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))
 604                                 break;
 605
 606                         if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags))
 607                                 rt2x00lib_txdone_noinfo(entry, TXDONE_FAILURE);
 608                         else if (rt2800usb_entry_txstatus_timeout(entry))
 609                                 rt2x00lib_txdone_noinfo(entry, TXDONE_UNKNOWN);
 610                         else
 611                                 break;
 612                 }
 613         }
 614 }
 615
 616 static void rt2800usb_work_txdone(struct work_struct *work)
 617 {
 618         struct rt2x00_dev *rt2x00dev =
 619             container_of(work, struct rt2x00_dev, txdone_work);
 620
 621         while (!kfifo_is_empty(&rt2x00dev->txstatus_fifo) ||
 622                rt2800usb_txstatus_timeout(rt2x00dev)) {
 623
 624                 rt2800usb_txdone(rt2x00dev);
 625
 626                 rt2800usb_txdone_nostatus(rt2x00dev);
 627
 628                 /*
 629                  * The hw may delay sending the packet after DMA complete
 630                  * if the medium is busy, thus the TX_STA_FIFO entry is
 631                  * also delayed -> use a timer to retrieve it.
 632                  */
 633                 if (rt2800usb_txstatus_pending(rt2x00dev))
 634                         rt2800usb_async_read_tx_status(rt2x00dev);
 635         }
 636 }
 637
 638 /*
 639  * RX control handlers
 640  */
 641 static void rt2800usb_fill_rxdone(struct queue_entry *entry,
 642                                   struct rxdone_entry_desc *rxdesc)
 643 {
 644         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
 645         __le32 *rxi = (__le32 *)entry->skb->data;
 646         __le32 *rxd;
 647         u32 word;
 648         int rx_pkt_len;
 649
 650         /*
 651          * Copy descriptor to the skbdesc->desc buffer, making it safe from
 652          * moving of frame data in rt2x00usb.
 653          */
 654         memcpy(skbdesc->desc, rxi, skbdesc->desc_len);
 655
 656         /*
 657          * RX frame format is :
 658          * | RXINFO | RXWI | header | L2 pad | payload | pad | RXD | USB pad |
 659          *          |<------------ rx_pkt_len -------------->|
 660          */
 661         rt2x00_desc_read(rxi, 0, &word);
 662         rx_pkt_len = rt2x00_get_field32(word, RXINFO_W0_USB_DMA_RX_PKT_LEN);
 663
 664         /*
 665          * Remove the RXINFO structure from the sbk.
 666          */
 667         skb_pull(entry->skb, RXINFO_DESC_SIZE);
 668
 669         /*
 670          * FIXME: we need to check for rx_pkt_len validity
 671          */
 672         rxd = (__le32 *)(entry->skb->data + rx_pkt_len);
 673
 674         /*
 675          * It is now safe to read the descriptor on all architectures.
 676          */
 677         rt2x00_desc_read(rxd, 0, &word);
 678
 679         if (rt2x00_get_field32(word, RXD_W0_CRC_ERROR))
 680                 rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
 681
 682         rxdesc->cipher_status = rt2x00_get_field32(word, RXD_W0_CIPHER_ERROR);
 683
 684         if (rt2x00_get_field32(word, RXD_W0_DECRYPTED)) {
 685                 /*
 686                  * Hardware has stripped IV/EIV data from 802.11 frame during
 687                  * decryption. Unfortunately the descriptor doesn't contain
 688                  * any fields with the EIV/IV data either, so they can't
 689                  * be restored by rt2x00lib.
 690                  */
 691                 rxdesc->flags |= RX_FLAG_IV_STRIPPED;
 692
 693                 /*
 694                  * The hardware has already checked the Michael Mic and has
 695                  * stripped it from the frame. Signal this to mac80211.
 696                  */
 697                 rxdesc->flags |= RX_FLAG_MMIC_STRIPPED;
 698
 699                 if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS)
 700                         rxdesc->flags |= RX_FLAG_DECRYPTED;
 701                 else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC)
 702                         rxdesc->flags |= RX_FLAG_MMIC_ERROR;
 703         }
 704
 705         if (rt2x00_get_field32(word, RXD_W0_MY_BSS))
 706                 rxdesc->dev_flags |= RXDONE_MY_BSS;
 707
 708         if (rt2x00_get_field32(word, RXD_W0_L2PAD))
 709                 rxdesc->dev_flags |= RXDONE_L2PAD;
 710
 711         /*
 712          * Remove RXD descriptor from end of buffer.
 713          */
 714         skb_trim(entry->skb, rx_pkt_len);
 715
 716         /*
 717          * Process the RXWI structure.
 718          */
 719         rt2800_process_rxwi(entry, rxdesc);
 720 }
 721
 722 /*
 723  * Device probe functions.
 724  */
 725 static int rt2800usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
 726 {
 727         if (rt2800_efuse_detect(rt2x00dev))
 728                 rt2800_read_eeprom_efuse(rt2x00dev);
 729         else
 730                 rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom,
 731                                       EEPROM_SIZE);
 732
 733         return rt2800_validate_eeprom(rt2x00dev);
 734 }
 735
 736 static int rt2800usb_probe_hw(struct rt2x00_dev *rt2x00dev)
 737 {
 738         int retval;
 739
 740         /*
 741          * Allocate eeprom data.
 742          */
 743         retval = rt2800usb_validate_eeprom(rt2x00dev);
 744         if (retval)
 745                 return retval;
 746
 747         retval = rt2800_init_eeprom(rt2x00dev);
 748         if (retval)
 749                 return retval;
 750
 751         /*
 752          * Initialize hw specifications.
 753          */
 754         retval = rt2800_probe_hw_mode(rt2x00dev);
 755         if (retval)
 756                 return retval;
 757
 758         /*
 759          * This device has multiple filters for control frames
 760          * and has a separate filter for PS Poll frames.
 761          */
 762         __set_bit(CAPABILITY_CONTROL_FILTERS, &rt2x00dev->cap_flags);
 763         __set_bit(CAPABILITY_CONTROL_FILTER_PSPOLL, &rt2x00dev->cap_flags);
 764
 765         /*
 766          * This device requires firmware.
 767          */
 768         __set_bit(REQUIRE_FIRMWARE, &rt2x00dev->cap_flags);
 769         __set_bit(REQUIRE_L2PAD, &rt2x00dev->cap_flags);
 770         if (!modparam_nohwcrypt)
 771                 __set_bit(CAPABILITY_HW_CRYPTO, &rt2x00dev->cap_flags);
 772         __set_bit(CAPABILITY_LINK_TUNING, &rt2x00dev->cap_flags);
 773         __set_bit(REQUIRE_HT_TX_DESC, &rt2x00dev->cap_flags);
 774         __set_bit(REQUIRE_TXSTATUS_FIFO, &rt2x00dev->cap_flags);
 775         __set_bit(REQUIRE_PS_AUTOWAKE, &rt2x00dev->cap_flags);
 776
 777         rt2x00dev->txstatus_timer.function = rt2800usb_tx_sta_fifo_timeout,
 778
 779         /*
 780          * Set the rssi offset.
 781          */
 782         rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
 783
 784         /*
 785          * Overwrite TX done handler
 786          */
 787         PREPARE_WORK(&rt2x00dev->txdone_work, rt2800usb_work_txdone);
 788
 789         return 0;
 790 }
 791
 792 static const struct ieee80211_ops rt2800usb_mac80211_ops = {
 793         .tx                     = rt2x00mac_tx,
 794         .start                  = rt2x00mac_start,
 795         .stop                   = rt2x00mac_stop,
 796         .add_interface          = rt2x00mac_add_interface,
 797         .remove_interface       = rt2x00mac_remove_interface,
 798         .config                 = rt2x00mac_config,
 799         .configure_filter       = rt2x00mac_configure_filter,
 800         .set_tim                = rt2x00mac_set_tim,
 801         .set_key                = rt2x00mac_set_key,
 802         .sw_scan_start          = rt2x00mac_sw_scan_start,
 803         .sw_scan_complete       = rt2x00mac_sw_scan_complete,
 804         .get_stats              = rt2x00mac_get_stats,
 805         .get_tkip_seq           = rt2800_get_tkip_seq,
 806         .set_rts_threshold      = rt2800_set_rts_threshold,
 807         .sta_add                = rt2x00mac_sta_add,
 808         .sta_remove             = rt2x00mac_sta_remove,
 809         .bss_info_changed       = rt2x00mac_bss_info_changed,
 810         .conf_tx                = rt2800_conf_tx,
 811         .get_tsf                = rt2800_get_tsf,
 812         .rfkill_poll            = rt2x00mac_rfkill_poll,
 813         .ampdu_action           = rt2800_ampdu_action,
 814         .flush                  = rt2x00mac_flush,
 815         .get_survey             = rt2800_get_survey,
 816         .get_ringparam          = rt2x00mac_get_ringparam,
 817         .tx_frames_pending      = rt2x00mac_tx_frames_pending,
 818 };
 819
 820 static const struct rt2800_ops rt2800usb_rt2800_ops = {
 821         .register_read          = rt2x00usb_register_read,
 822         .register_read_lock     = rt2x00usb_register_read_lock,
 823         .register_write         = rt2x00usb_register_write,
 824         .register_write_lock    = rt2x00usb_register_write_lock,
 825         .register_multiread     = rt2x00usb_register_multiread,
 826         .register_multiwrite    = rt2x00usb_register_multiwrite,
 827         .regbusy_read           = rt2x00usb_regbusy_read,
 828         .drv_write_firmware     = rt2800usb_write_firmware,
 829         .drv_init_registers     = rt2800usb_init_registers,
 830         .drv_get_txwi           = rt2800usb_get_txwi,
 831 };
 832
 833 static const struct rt2x00lib_ops rt2800usb_rt2x00_ops = {
 834         .probe_hw               = rt2800usb_probe_hw,
 835         .get_firmware_name      = rt2800usb_get_firmware_name,
 836         .check_firmware         = rt2800_check_firmware,
 837         .load_firmware          = rt2800_load_firmware,
 838         .initialize             = rt2x00usb_initialize,
 839         .uninitialize           = rt2x00usb_uninitialize,
 840         .clear_entry            = rt2x00usb_clear_entry,
 841         .set_device_state       = rt2800usb_set_device_state,
 842         .rfkill_poll            = rt2800_rfkill_poll,
 843         .link_stats             = rt2800_link_stats,
 844         .reset_tuner            = rt2800_reset_tuner,
 845         .link_tuner             = rt2800_link_tuner,
 846         .gain_calibration       = rt2800_gain_calibration,
 847         .vco_calibration        = rt2800_vco_calibration,
 848         .watchdog               = rt2800usb_watchdog,
 849         .start_queue            = rt2800usb_start_queue,
 850         .kick_queue             = rt2x00usb_kick_queue,
 851         .stop_queue             = rt2800usb_stop_queue,
 852         .flush_queue            = rt2x00usb_flush_queue,
 853         .tx_dma_done            = rt2800usb_tx_dma_done,
 854         .write_tx_desc          = rt2800usb_write_tx_desc,
 855         .write_tx_data          = rt2800_write_tx_data,
 856         .write_beacon           = rt2800_write_beacon,
 857         .clear_beacon           = rt2800_clear_beacon,
 858         .get_tx_data_len        = rt2800usb_get_tx_data_len,
 859         .fill_rxdone            = rt2800usb_fill_rxdone,
 860         .config_shared_key      = rt2800_config_shared_key,
 861         .config_pairwise_key    = rt2800_config_pairwise_key,
 862         .config_filter          = rt2800_config_filter,
 863         .config_intf            = rt2800_config_intf,
 864         .config_erp             = rt2800_config_erp,
 865         .config_ant             = rt2800_config_ant,
 866         .config                 = rt2800_config,
 867         .sta_add                = rt2800_sta_add,
 868         .sta_remove             = rt2800_sta_remove,
 869 };
 870
 871 static const struct data_queue_desc rt2800usb_queue_rx = {
 872         .entry_num              = 128,
 873         .data_size              = AGGREGATION_SIZE,
 874         .desc_size              = RXINFO_DESC_SIZE + RXWI_DESC_SIZE,
 875         .priv_size              = sizeof(struct queue_entry_priv_usb),
 876 };
 877
 878 static const struct data_queue_desc rt2800usb_queue_tx = {
 879         .entry_num              = 16,
 880         .data_size              = AGGREGATION_SIZE,
 881         .desc_size              = TXINFO_DESC_SIZE + TXWI_DESC_SIZE,
 882         .priv_size              = sizeof(struct queue_entry_priv_usb),
 883 };
 884
 885 static const struct data_queue_desc rt2800usb_queue_bcn = {
 886         .entry_num              = 8,
 887         .data_size              = MGMT_FRAME_SIZE,
 888         .desc_size              = TXINFO_DESC_SIZE + TXWI_DESC_SIZE,
 889         .priv_size              = sizeof(struct queue_entry_priv_usb),
 890 };
 891
 892 static const struct rt2x00_ops rt2800usb_ops = {
 893         .name                   = KBUILD_MODNAME,
 894         .drv_data_size          = sizeof(struct rt2800_drv_data),
 895         .max_sta_intf           = 1,
 896         .max_ap_intf            = 8,
 897         .eeprom_size            = EEPROM_SIZE,
 898         .rf_size                = RF_SIZE,
 899         .tx_queues              = NUM_TX_QUEUES,
 900         .extra_tx_headroom      = TXINFO_DESC_SIZE + TXWI_DESC_SIZE,
 901         .rx                     = &rt2800usb_queue_rx,
 902         .tx                     = &rt2800usb_queue_tx,
 903         .bcn                    = &rt2800usb_queue_bcn,
 904         .lib                    = &rt2800usb_rt2x00_ops,
 905         .drv                    = &rt2800usb_rt2800_ops,
 906         .hw                     = &rt2800usb_mac80211_ops,
 907 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
 908         .debugfs                = &rt2800_rt2x00debug,
 909 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
 910 };
 911
 912 /*
 913  * rt2800usb module information.
 914  */
 915 static struct usb_device_id rt2800usb_device_table[] = {
 916         /* Abocom */
 917         { USB_DEVICE(0x07b8, 0x2870) },
 918         { USB_DEVICE(0x07b8, 0x2770) },
 919         { USB_DEVICE(0x07b8, 0x3070) },
 920         { USB_DEVICE(0x07b8, 0x3071) },
 921         { USB_DEVICE(0x07b8, 0x3072) },
 922         { USB_DEVICE(0x1482, 0x3c09) },
 923         /* AirTies */
 924         { USB_DEVICE(0x1eda, 0x2012) },
 925         { USB_DEVICE(0x1eda, 0x2210) },
 926         { USB_DEVICE(0x1eda, 0x2310) },
 927         /* Allwin */
 928         { USB_DEVICE(0x8516, 0x2070) },
 929         { USB_DEVICE(0x8516, 0x2770) },
 930         { USB_DEVICE(0x8516, 0x2870) },
 931         { USB_DEVICE(0x8516, 0x3070) },
 932         { USB_DEVICE(0x8516, 0x3071) },
 933         { USB_DEVICE(0x8516, 0x3072) },
 934         /* Alpha Networks */
 935         { USB_DEVICE(0x14b2, 0x3c06) },
 936         { USB_DEVICE(0x14b2, 0x3c07) },
 937         { USB_DEVICE(0x14b2, 0x3c09) },
 938         { USB_DEVICE(0x14b2, 0x3c12) },
 939         { USB_DEVICE(0x14b2, 0x3c23) },
 940         { USB_DEVICE(0x14b2, 0x3c25) },
 941         { USB_DEVICE(0x14b2, 0x3c27) },
 942         { USB_DEVICE(0x14b2, 0x3c28) },
 943         { USB_DEVICE(0x14b2, 0x3c2c) },
 944         /* Amit */
 945         { USB_DEVICE(0x15c5, 0x0008) },
 946         /* Askey */
 947         { USB_DEVICE(0x1690, 0x0740) },
 948         /* ASUS */
 949         { USB_DEVICE(0x0b05, 0x1731) },
 950         { USB_DEVICE(0x0b05, 0x1732) },
 951         { USB_DEVICE(0x0b05, 0x1742) },
 952         { USB_DEVICE(0x0b05, 0x1784) },
 953         { USB_DEVICE(0x1761, 0x0b05) },
 954         /* AzureWave */
 955         { USB_DEVICE(0x13d3, 0x3247) },
 956         { USB_DEVICE(0x13d3, 0x3273) },
 957         { USB_DEVICE(0x13d3, 0x3305) },
 958         { USB_DEVICE(0x13d3, 0x3307) },
 959         { USB_DEVICE(0x13d3, 0x3321) },
 960         /* Belkin */
 961         { USB_DEVICE(0x050d, 0x8053) },
 962         { USB_DEVICE(0x050d, 0x805c) },
 963         { USB_DEVICE(0x050d, 0x815c) },
 964         { USB_DEVICE(0x050d, 0x825a) },
 965         { USB_DEVICE(0x050d, 0x825b) },
 966         { USB_DEVICE(0x050d, 0x935a) },
 967         { USB_DEVICE(0x050d, 0x935b) },
 968         /* Buffalo */
 969         { USB_DEVICE(0x0411, 0x00e8) },
 970         { USB_DEVICE(0x0411, 0x0158) },
 971         { USB_DEVICE(0x0411, 0x015d) },
 972         { USB_DEVICE(0x0411, 0x016f) },
 973         { USB_DEVICE(0x0411, 0x01a2) },
 974         { USB_DEVICE(0x0411, 0x01ee) },
 975         /* Corega */
 976         { USB_DEVICE(0x07aa, 0x002f) },
 977         { USB_DEVICE(0x07aa, 0x003c) },
 978         { USB_DEVICE(0x07aa, 0x003f) },
 979         { USB_DEVICE(0x18c5, 0x0012) },
 980         /* D-Link */
 981         { USB_DEVICE(0x07d1, 0x3c09) },
 982         { USB_DEVICE(0x07d1, 0x3c0a) },
 983         { USB_DEVICE(0x07d1, 0x3c0d) },
 984         { USB_DEVICE(0x07d1, 0x3c0e) },
 985         { USB_DEVICE(0x07d1, 0x3c0f) },
 986         { USB_DEVICE(0x07d1, 0x3c11) },
 987         { USB_DEVICE(0x07d1, 0x3c13) },
 988         { USB_DEVICE(0x07d1, 0x3c15) },
 989         { USB_DEVICE(0x07d1, 0x3c16) },
 990         { USB_DEVICE(0x2001, 0x3c1b) },
 991         /* Draytek */
 992         { USB_DEVICE(0x07fa, 0x7712) },
 993         /* DVICO */
 994         { USB_DEVICE(0x0fe9, 0xb307) },
 995         /* Edimax */
 996         { USB_DEVICE(0x7392, 0x4085) },
 997         { USB_DEVICE(0x7392, 0x7711) },
 998         { USB_DEVICE(0x7392, 0x7717) },
 999         { USB_DEVICE(0x7392, 0x7718) },
1000         { USB_DEVICE(0x7392, 0x7722) },
1001         /* Encore */
1002         { USB_DEVICE(0x203d, 0x1480) },
1003         { USB_DEVICE(0x203d, 0x14a9) },
1004         /* EnGenius */
1005         { USB_DEVICE(0x1740, 0x9701) },
1006         { USB_DEVICE(0x1740, 0x9702) },
1007         { USB_DEVICE(0x1740, 0x9703) },
1008         { USB_DEVICE(0x1740, 0x9705) },
1009         { USB_DEVICE(0x1740, 0x9706) },
1010         { USB_DEVICE(0x1740, 0x9707) },
1011         { USB_DEVICE(0x1740, 0x9708) },
1012         { USB_DEVICE(0x1740, 0x9709) },
1013         /* Gemtek */
1014         { USB_DEVICE(0x15a9, 0x0012) },
1015         /* Gigabyte */
1016         { USB_DEVICE(0x1044, 0x800b) },
1017         { USB_DEVICE(0x1044, 0x800d) },
1018         /* Hawking */
1019         { USB_DEVICE(0x0e66, 0x0001) },
1020         { USB_DEVICE(0x0e66, 0x0003) },
1021         { USB_DEVICE(0x0e66, 0x0009) },
1022         { USB_DEVICE(0x0e66, 0x000b) },
1023         { USB_DEVICE(0x0e66, 0x0013) },
1024         { USB_DEVICE(0x0e66, 0x0017) },
1025         { USB_DEVICE(0x0e66, 0x0018) },
1026         /* I-O DATA */
1027         { USB_DEVICE(0x04bb, 0x0945) },
1028         { USB_DEVICE(0x04bb, 0x0947) },
1029         { USB_DEVICE(0x04bb, 0x0948) },
1030         /* Linksys */
1031         { USB_DEVICE(0x13b1, 0x0031) },
1032         { USB_DEVICE(0x1737, 0x0070) },
1033         { USB_DEVICE(0x1737, 0x0071) },
1034         { USB_DEVICE(0x1737, 0x0077) },
1035         { USB_DEVICE(0x1737, 0x0078) },
1036         /* Logitec */
1037         { USB_DEVICE(0x0789, 0x0162) },
1038         { USB_DEVICE(0x0789, 0x0163) },
1039         { USB_DEVICE(0x0789, 0x0164) },
1040         { USB_DEVICE(0x0789, 0x0166) },
1041         /* Motorola */
1042         { USB_DEVICE(0x100d, 0x9031) },
1043         /* MSI */
1044         { USB_DEVICE(0x0db0, 0x3820) },
1045         { USB_DEVICE(0x0db0, 0x3821) },
1046         { USB_DEVICE(0x0db0, 0x3822) },
1047         { USB_DEVICE(0x0db0, 0x3870) },
1048         { USB_DEVICE(0x0db0, 0x3871) },
1049         { USB_DEVICE(0x0db0, 0x6899) },
1050         { USB_DEVICE(0x0db0, 0x821a) },
1051         { USB_DEVICE(0x0db0, 0x822a) },
1052         { USB_DEVICE(0x0db0, 0x822b) },
1053         { USB_DEVICE(0x0db0, 0x822c) },
1054         { USB_DEVICE(0x0db0, 0x870a) },
1055         { USB_DEVICE(0x0db0, 0x871a) },
1056         { USB_DEVICE(0x0db0, 0x871b) },
1057         { USB_DEVICE(0x0db0, 0x871c) },
1058         { USB_DEVICE(0x0db0, 0x899a) },
1059         /* Ovislink */
1060         { USB_DEVICE(0x1b75, 0x3071) },
1061         { USB_DEVICE(0x1b75, 0x3072) },
1062         /* Para */
1063         { USB_DEVICE(0x20b8, 0x8888) },
1064         /* Pegatron */
1065         { USB_DEVICE(0x1d4d, 0x0002) },
1066         { USB_DEVICE(0x1d4d, 0x000c) },
1067         { USB_DEVICE(0x1d4d, 0x000e) },
1068         { USB_DEVICE(0x1d4d, 0x0011) },
1069         /* Philips */
1070         { USB_DEVICE(0x0471, 0x200f) },
1071         /* Planex */
1072         { USB_DEVICE(0x2019, 0x5201) },
1073         { USB_DEVICE(0x2019, 0xab25) },
1074         { USB_DEVICE(0x2019, 0xed06) },
1075         /* Quanta */
1076         { USB_DEVICE(0x1a32, 0x0304) },
1077         /* Ralink */
1078         { USB_DEVICE(0x148f, 0x2070) },
1079         { USB_DEVICE(0x148f, 0x2770) },
1080         { USB_DEVICE(0x148f, 0x2870) },
1081         { USB_DEVICE(0x148f, 0x3070) },
1082         { USB_DEVICE(0x148f, 0x3071) },
1083         { USB_DEVICE(0x148f, 0x3072) },
1084         /* Samsung */
1085         { USB_DEVICE(0x04e8, 0x2018) },
1086         /* Siemens */
1087         { USB_DEVICE(0x129b, 0x1828) },
1088         /* Sitecom */
1089         { USB_DEVICE(0x0df6, 0x0017) },
1090         { USB_DEVICE(0x0df6, 0x002b) },
1091         { USB_DEVICE(0x0df6, 0x002c) },
1092         { USB_DEVICE(0x0df6, 0x002d) },
1093         { USB_DEVICE(0x0df6, 0x0039) },
1094         { USB_DEVICE(0x0df6, 0x003b) },
1095         { USB_DEVICE(0x0df6, 0x003d) },
1096         { USB_DEVICE(0x0df6, 0x003e) },
1097         { USB_DEVICE(0x0df6, 0x003f) },
1098         { USB_DEVICE(0x0df6, 0x0040) },
1099         { USB_DEVICE(0x0df6, 0x0042) },
1100         { USB_DEVICE(0x0df6, 0x0047) },
1101         { USB_DEVICE(0x0df6, 0x0048) },
1102         { USB_DEVICE(0x0df6, 0x0051) },
1103         { USB_DEVICE(0x0df6, 0x005f) },
1104         { USB_DEVICE(0x0df6, 0x0060) },
1105         /* SMC */
1106         { USB_DEVICE(0x083a, 0x6618) },
1107         { USB_DEVICE(0x083a, 0x7511) },
1108         { USB_DEVICE(0x083a, 0x7512) },
1109         { USB_DEVICE(0x083a, 0x7522) },
1110         { USB_DEVICE(0x083a, 0x8522) },
1111         { USB_DEVICE(0x083a, 0xa618) },
1112         { USB_DEVICE(0x083a, 0xa701) },
1113         { USB_DEVICE(0x083a, 0xa702) },
1114         { USB_DEVICE(0x083a, 0xa703) },
1115         { USB_DEVICE(0x083a, 0xb522) },
1116         /* Sparklan */
1117         { USB_DEVICE(0x15a9, 0x0006) },
1118         /* Sweex */
1119         { USB_DEVICE(0x177f, 0x0153) },
1120         { USB_DEVICE(0x177f, 0x0302) },
1121         { USB_DEVICE(0x177f, 0x0313) },
1122         /* U-Media */
1123         { USB_DEVICE(0x157e, 0x300e) },
1124         { USB_DEVICE(0x157e, 0x3013) },
1125         /* ZCOM */
1126         { USB_DEVICE(0x0cde, 0x0022) },
1127         { USB_DEVICE(0x0cde, 0x0025) },
1128         /* Zinwell */
1129         { USB_DEVICE(0x5a57, 0x0280) },
1130         { USB_DEVICE(0x5a57, 0x0282) },
1131         { USB_DEVICE(0x5a57, 0x0283) },
1132         { USB_DEVICE(0x5a57, 0x5257) },
1133         /* Zyxel */
1134         { USB_DEVICE(0x0586, 0x3416) },
1135         { USB_DEVICE(0x0586, 0x3418) },
1136         { USB_DEVICE(0x0586, 0x341e) },
1137         { USB_DEVICE(0x0586, 0x343e) },
1138 #ifdef CONFIG_RT2800USB_RT33XX
1139         /* Belkin */
1140         { USB_DEVICE(0x050d, 0x945b) },
1141         /* D-Link */
1142         { USB_DEVICE(0x2001, 0x3c17) },
1143         /* Panasonic */
1144         { USB_DEVICE(0x083a, 0xb511) },
1145         /* Philips */
1146         { USB_DEVICE(0x0471, 0x20dd) },
1147         /* Ralink */
1148         { USB_DEVICE(0x148f, 0x3370) },
1149         { USB_DEVICE(0x148f, 0x8070) },
1150         /* Sitecom */
1151         { USB_DEVICE(0x0df6, 0x0050) },
1152 #endif
1153 #ifdef CONFIG_RT2800USB_RT35XX
1154         /* Allwin */
1155         { USB_DEVICE(0x8516, 0x3572) },
1156         /* Askey */
1157         { USB_DEVICE(0x1690, 0x0744) },
1158         { USB_DEVICE(0x1690, 0x0761) },
1159         { USB_DEVICE(0x1690, 0x0764) },
1160         /* Cisco */
1161         { USB_DEVICE(0x167b, 0x4001) },
1162         /* EnGenius */
1163         { USB_DEVICE(0x1740, 0x9801) },
1164         /* I-O DATA */
1165         { USB_DEVICE(0x04bb, 0x0944) },
1166         /* Linksys */
1167         { USB_DEVICE(0x13b1, 0x002f) },
1168         { USB_DEVICE(0x1737, 0x0079) },
1169         /* Ralink */
1170         { USB_DEVICE(0x148f, 0x3572) },
1171         /* Sitecom */
1172         { USB_DEVICE(0x0df6, 0x0041) },
1173         { USB_DEVICE(0x0df6, 0x0062) },
1174         { USB_DEVICE(0x0df6, 0x0065) },
1175         { USB_DEVICE(0x0df6, 0x0066) },
1176         { USB_DEVICE(0x0df6, 0x0068) },
1177         /* Toshiba */
1178         { USB_DEVICE(0x0930, 0x0a07) },
1179         /* Zinwell */
1180         { USB_DEVICE(0x5a57, 0x0284) },
1181 #endif
1182 #ifdef CONFIG_RT2800USB_RT53XX
1183         /* Arcadyan */
1184         { USB_DEVICE(0x043e, 0x7a12) },
1185         /* Azurewave */
1186         { USB_DEVICE(0x13d3, 0x3329) },
1187         { USB_DEVICE(0x13d3, 0x3365) },
1188         /* D-Link */
1189         { USB_DEVICE(0x2001, 0x3c15) },
1190         { USB_DEVICE(0x2001, 0x3c19) },
1191         { USB_DEVICE(0x2001, 0x3c1c) },
1192         { USB_DEVICE(0x2001, 0x3c1d) },
1193         /* LG innotek */
1194         { USB_DEVICE(0x043e, 0x7a22) },
1195         /* Panasonic */
1196         { USB_DEVICE(0x04da, 0x1801) },
1197         { USB_DEVICE(0x04da, 0x1800) },
1198         /* Philips */
1199         { USB_DEVICE(0x0471, 0x2104) },
1200         /* Ralink */
1201         { USB_DEVICE(0x148f, 0x5370) },
1202         { USB_DEVICE(0x148f, 0x5372) },
1203         /* Unknown */
1204         { USB_DEVICE(0x04da, 0x23f6) },
1205 #endif
1206 #ifdef CONFIG_RT2800USB_UNKNOWN
1207         /*
1208          * Unclear what kind of devices these are (they aren't supported by the
1209          * vendor linux driver).
1210          */
1211         /* Abocom */
1212         { USB_DEVICE(0x07b8, 0x3073) },
1213         { USB_DEVICE(0x07b8, 0x3074) },
1214         /* Alpha Networks */
1215         { USB_DEVICE(0x14b2, 0x3c08) },
1216         { USB_DEVICE(0x14b2, 0x3c11) },
1217         /* Amigo */
1218         { USB_DEVICE(0x0e0b, 0x9031) },
1219         { USB_DEVICE(0x0e0b, 0x9041) },
1220         /* ASUS */
1221         { USB_DEVICE(0x0b05, 0x166a) },
1222         { USB_DEVICE(0x0b05, 0x1760) },
1223         { USB_DEVICE(0x0b05, 0x1761) },
1224         { USB_DEVICE(0x0b05, 0x1790) },
1225         { USB_DEVICE(0x0b05, 0x179d) },
1226         /* AzureWave */
1227         { USB_DEVICE(0x13d3, 0x3262) },
1228         { USB_DEVICE(0x13d3, 0x3284) },
1229         { USB_DEVICE(0x13d3, 0x3322) },
1230         /* Belkin */
1231         { USB_DEVICE(0x050d, 0x1003) },
1232         /* Buffalo */
1233         { USB_DEVICE(0x0411, 0x012e) },
1234         { USB_DEVICE(0x0411, 0x0148) },
1235         { USB_DEVICE(0x0411, 0x0150) },
1236         /* Corega */
1237         { USB_DEVICE(0x07aa, 0x0041) },
1238         { USB_DEVICE(0x07aa, 0x0042) },
1239         { USB_DEVICE(0x18c5, 0x0008) },
1240         /* D-Link */
1241         { USB_DEVICE(0x07d1, 0x3c0b) },
1242         { USB_DEVICE(0x07d1, 0x3c17) },
1243         /* Encore */
1244         { USB_DEVICE(0x203d, 0x14a1) },
1245         /* Gemtek */
1246         { USB_DEVICE(0x15a9, 0x0010) },
1247         /* Gigabyte */
1248         { USB_DEVICE(0x1044, 0x800c) },
1249         /* Huawei */
1250         { USB_DEVICE(0x148f, 0xf101) },
1251         /* I-O DATA */
1252         { USB_DEVICE(0x04bb, 0x094b) },
1253         /* LevelOne */
1254         { USB_DEVICE(0x1740, 0x0605) },
1255         { USB_DEVICE(0x1740, 0x0615) },
1256         /* Logitec */
1257         { USB_DEVICE(0x0789, 0x0168) },
1258         { USB_DEVICE(0x0789, 0x0169) },
1259         /* Motorola */
1260         { USB_DEVICE(0x100d, 0x9032) },
1261         /* Pegatron */
1262         { USB_DEVICE(0x05a6, 0x0101) },
1263         { USB_DEVICE(0x1d4d, 0x0010) },
1264         /* Planex */
1265         { USB_DEVICE(0x2019, 0xab24) },
1266         /* Qcom */
1267         { USB_DEVICE(0x18e8, 0x6259) },
1268         /* RadioShack */
1269         { USB_DEVICE(0x08b9, 0x1197) },
1270         /* Sitecom */
1271         { USB_DEVICE(0x0df6, 0x003c) },
1272         { USB_DEVICE(0x0df6, 0x004a) },
1273         { USB_DEVICE(0x0df6, 0x004d) },
1274         { USB_DEVICE(0x0df6, 0x0053) },
1275         /* SMC */
1276         { USB_DEVICE(0x083a, 0xa512) },
1277         { USB_DEVICE(0x083a, 0xc522) },
1278         { USB_DEVICE(0x083a, 0xd522) },
1279         { USB_DEVICE(0x083a, 0xf511) },
1280         /* Zyxel */
1281         { USB_DEVICE(0x0586, 0x341a) },
1282 #endif
1283         { 0, }
1284 };
1285
1286 MODULE_AUTHOR(DRV_PROJECT);
1287 MODULE_VERSION(DRV_VERSION);
1288 MODULE_DESCRIPTION("Ralink RT2800 USB Wireless LAN driver.");
1289 MODULE_SUPPORTED_DEVICE("Ralink RT2870 USB chipset based cards");
1290 MODULE_DEVICE_TABLE(usb, rt2800usb_device_table);
1291 MODULE_FIRMWARE(FIRMWARE_RT2870);
1292 MODULE_LICENSE("GPL");
1293
1294 static int rt2800usb_probe(struct usb_interface *usb_intf,
1295                            const struct usb_device_id *id)
1296 {
1297         return rt2x00usb_probe(usb_intf, &rt2800usb_ops);
1298 }
1299
1300 static struct usb_driver rt2800usb_driver = {
1301         .name           = KBUILD_MODNAME,
1302         .id_table       = rt2800usb_device_table,
1303         .probe          = rt2800usb_probe,
1304         .disconnect     = rt2x00usb_disconnect,
1305         .suspend        = rt2x00usb_suspend,
1306         .resume         = rt2x00usb_resume,
1307         .disable_hub_initiated_lpm = 1,
1308 };
1309
1310 module_usb_driver(rt2800usb_driver);