drivers/net/wireless/rt2x00/rt2800usb.c

   1 /*
   2         Copyright (C) 2010 Willow Garage <http://www.willowgarage.com>
   3         Copyright (C) 2009 - 2010 Ivo van Doorn <IvDoorn@gmail.com>
   4         Copyright (C) 2009 Mattias Nissler <mattias.nissler@gmx.de>
   5         Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org>
   6         Copyright (C) 2009 Xose Vazquez Perez <xose.vazquez@gmail.com>
   7         Copyright (C) 2009 Axel Kollhofer <rain_maker@root-forum.org>
   8         <http://rt2x00.serialmonkey.com>
   9
  10         This program is free software; you can redistribute it and/or modify
  11         it under the terms of the GNU General Public License as published by
  12         the Free Software Foundation; either version 2 of the License, or
  13         (at your option) any later version.
  14
  15         This program is distributed in the hope that it will be useful,
  16         but WITHOUT ANY WARRANTY; without even the implied warranty of
  17         MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  18         GNU General Public License for more details.
  19
  20         You should have received a copy of the GNU General Public License
  21         along with this program; if not, see <http://www.gnu.org/licenses/>.
  22  */
  23
  24 /*
  25         Module: rt2800usb
  26         Abstract: rt2800usb device specific routines.
  27         Supported chipsets: RT2800U.
  28  */
  29
  30 #include <linux/delay.h>
  31 #include <linux/etherdevice.h>
  32 #include <linux/kernel.h>
  33 #include <linux/module.h>
  34 #include <linux/usb.h>
  35
  36 #include "rt2x00.h"
  37 #include "rt2x00usb.h"
  38 #include "rt2800lib.h"
  39 #include "rt2800.h"
  40 #include "rt2800usb.h"
  41
  42 /*
  43  * Allow hardware encryption to be disabled.
  44  */
  45 static bool modparam_nohwcrypt;
  46 module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
  47 MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
  48
  49 static bool rt2800usb_hwcrypt_disabled(struct rt2x00_dev *rt2x00dev)
  50 {
  51         return modparam_nohwcrypt;
  52 }
  53
  54 /*
  55  * Queue handlers.
  56  */
  57 static void rt2800usb_start_queue(struct data_queue *queue)
  58 {
  59         struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
  60         u32 reg;
  61
  62         switch (queue->qid) {
  63         case QID_RX:
  64                 rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
  65                 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 1);
  66                 rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
  67                 break;
  68         case QID_BEACON:
  69                 rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
  70                 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 1);
  71                 rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 1);
  72                 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 1);
  73                 rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg);
  74                 break;
  75         default:
  76                 break;
  77         }
  78 }
  79
  80 static void rt2800usb_stop_queue(struct data_queue *queue)
  81 {
  82         struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
  83         u32 reg;
  84
  85         switch (queue->qid) {
  86         case QID_RX:
  87                 rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
  88                 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
  89                 rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
  90                 break;
  91         case QID_BEACON:
  92                 rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
  93                 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 0);
  94                 rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 0);
  95                 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
  96                 rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg);
  97                 break;
  98         default:
  99                 break;
 100         }
 101 }
 102
 103 /*
 104  * test if there is an entry in any TX queue for which DMA is done
 105  * but the TX status has not been returned yet
 106  */
 107 static bool rt2800usb_txstatus_pending(struct rt2x00_dev *rt2x00dev)
 108 {
 109         struct data_queue *queue;
 110
 111         tx_queue_for_each(rt2x00dev, queue) {
 112                 if (rt2x00queue_get_entry(queue, Q_INDEX_DMA_DONE) !=
 113                     rt2x00queue_get_entry(queue, Q_INDEX_DONE))
 114                         return true;
 115         }
 116         return false;
 117 }
 118
 119 static inline bool rt2800usb_entry_txstatus_timeout(struct queue_entry *entry)
 120 {
 121         bool tout;
 122
 123         if (!test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))
 124                 return false;
 125
 126         tout = time_after(jiffies, entry->last_action + msecs_to_jiffies(100));
 127         if (unlikely(tout))
 128                 rt2x00_dbg(entry->queue->rt2x00dev,
 129                            "TX status timeout for entry %d in queue %d\n",
 130                            entry->entry_idx, entry->queue->qid);
 131         return tout;
 132
 133 }
 134
 135 static bool rt2800usb_txstatus_timeout(struct rt2x00_dev *rt2x00dev)
 136 {
 137         struct data_queue *queue;
 138         struct queue_entry *entry;
 139
 140         tx_queue_for_each(rt2x00dev, queue) {
 141                 entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
 142                 if (rt2800usb_entry_txstatus_timeout(entry))
 143                         return true;
 144         }
 145         return false;
 146 }
 147
 148 #define TXSTATUS_READ_INTERVAL 1000000
 149
 150 static bool rt2800usb_tx_sta_fifo_read_completed(struct rt2x00_dev *rt2x00dev,
 151                                                  int urb_status, u32 tx_status)
 152 {
 153         bool valid;
 154
 155         if (urb_status) {
 156                 rt2x00_warn(rt2x00dev, "TX status read failed %d\n",
 157                             urb_status);
 158
 159                 goto stop_reading;
 160         }
 161
 162         valid = rt2x00_get_field32(tx_status, TX_STA_FIFO_VALID);
 163         if (valid) {
 164                 if (!kfifo_put(&rt2x00dev->txstatus_fifo, tx_status))
 165                         rt2x00_warn(rt2x00dev, "TX status FIFO overrun\n");
 166
 167                 queue_work(rt2x00dev->workqueue, &rt2x00dev->txdone_work);
 168
 169                 /* Reschedule urb to read TX status again instantly */
 170                 return true;
 171         }
 172
 173         /* Check if there is any entry that timedout waiting on TX status */
 174         if (rt2800usb_txstatus_timeout(rt2x00dev))
 175                 queue_work(rt2x00dev->workqueue, &rt2x00dev->txdone_work);
 176
 177         if (rt2800usb_txstatus_pending(rt2x00dev)) {
 178                 /* Read register after 1 ms */
 179                 hrtimer_start(&rt2x00dev->txstatus_timer,
 180                               ktime_set(0, TXSTATUS_READ_INTERVAL),
 181                               HRTIMER_MODE_REL);
 182                 return false;
 183         }
 184
 185 stop_reading:
 186         clear_bit(TX_STATUS_READING, &rt2x00dev->flags);
 187         /*
 188          * There is small race window above, between txstatus pending check and
 189          * clear_bit someone could do rt2x00usb_interrupt_txdone, so recheck
 190          * here again if status reading is needed.
 191          */
 192         if (rt2800usb_txstatus_pending(rt2x00dev) &&
 193             !test_and_set_bit(TX_STATUS_READING, &rt2x00dev->flags))
 194                 return true;
 195         else
 196                 return false;
 197 }
 198
 199 static void rt2800usb_async_read_tx_status(struct rt2x00_dev *rt2x00dev)
 200 {
 201
 202         if (test_and_set_bit(TX_STATUS_READING, &rt2x00dev->flags))
 203                 return;
 204
 205         /* Read TX_STA_FIFO register after 2 ms */
 206         hrtimer_start(&rt2x00dev->txstatus_timer,
 207                       ktime_set(0, 2*TXSTATUS_READ_INTERVAL),
 208                       HRTIMER_MODE_REL);
 209 }
 210
 211 static void rt2800usb_tx_dma_done(struct queue_entry *entry)
 212 {
 213         struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
 214
 215         rt2800usb_async_read_tx_status(rt2x00dev);
 216 }
 217
 218 static enum hrtimer_restart rt2800usb_tx_sta_fifo_timeout(struct hrtimer *timer)
 219 {
 220         struct rt2x00_dev *rt2x00dev =
 221             container_of(timer, struct rt2x00_dev, txstatus_timer);
 222
 223         rt2x00usb_register_read_async(rt2x00dev, TX_STA_FIFO,
 224                                       rt2800usb_tx_sta_fifo_read_completed);
 225
 226         return HRTIMER_NORESTART;
 227 }
 228
 229 /*
 230  * Firmware functions
 231  */
 232 static int rt2800usb_autorun_detect(struct rt2x00_dev *rt2x00dev)
 233 {
 234         __le32 reg;
 235         u32 fw_mode;
 236
 237         /* cannot use rt2x00usb_register_read here as it uses different
 238          * mode (MULTI_READ vs. DEVICE_MODE) and does not pass the
 239          * magic value USB_MODE_AUTORUN (0x11) to the device, thus the
 240          * returned value would be invalid.
 241          */
 242         rt2x00usb_vendor_request(rt2x00dev, USB_DEVICE_MODE,
 243                                  USB_VENDOR_REQUEST_IN, 0, USB_MODE_AUTORUN,
 244                                  &reg, sizeof(reg), REGISTER_TIMEOUT_FIRMWARE);
 245         fw_mode = le32_to_cpu(reg);
 246
 247         if ((fw_mode & 0x00000003) == 2)
 248                 return 1;
 249
 250         return 0;
 251 }
 252
 253 static char *rt2800usb_get_firmware_name(struct rt2x00_dev *rt2x00dev)
 254 {
 255         return FIRMWARE_RT2870;
 256 }
 257
 258 static int rt2800usb_write_firmware(struct rt2x00_dev *rt2x00dev,
 259                                     const u8 *data, const size_t len)
 260 {
 261         int status;
 262         u32 offset;
 263         u32 length;
 264
 265         /*
 266          * Check which section of the firmware we need.
 267          */
 268         if (rt2x00_rt(rt2x00dev, RT2860) ||
 269             rt2x00_rt(rt2x00dev, RT2872) ||
 270             rt2x00_rt(rt2x00dev, RT3070)) {
 271                 offset = 0;
 272                 length = 4096;
 273         } else {
 274                 offset = 4096;
 275                 length = 4096;
 276         }
 277
 278         /*
 279          * Write firmware to device.
 280          */
 281         if (rt2800usb_autorun_detect(rt2x00dev)) {
 282                 rt2x00_info(rt2x00dev,
 283                             "Firmware loading not required - NIC in AutoRun mode\n");
 284         } else {
 285                 rt2x00usb_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE,
 286                                               data + offset, length);
 287         }
 288
 289         rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0);
 290         rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0);
 291
 292         /*
 293          * Send firmware request to device to load firmware,
 294          * we need to specify a long timeout time.
 295          */
 296         status = rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE,
 297                                              0, USB_MODE_FIRMWARE,
 298                                              REGISTER_TIMEOUT_FIRMWARE);
 299         if (status < 0) {
 300                 rt2x00_err(rt2x00dev, "Failed to write Firmware to device\n");
 301                 return status;
 302         }
 303
 304         msleep(10);
 305         rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
 306
 307         return 0;
 308 }
 309
 310 /*
 311  * Device state switch handlers.
 312  */
 313 static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
 314 {
 315         u32 reg;
 316
 317         /*
 318          * Wait until BBP and RF are ready.
 319          */
 320         if (rt2800_wait_csr_ready(rt2x00dev))
 321                 return -EBUSY;
 322
 323         rt2x00usb_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
 324         rt2x00usb_register_write(rt2x00dev, PBF_SYS_CTRL, reg & ~0x00002000);
 325
 326         reg = 0;
 327         rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_CSR, 1);
 328         rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_BBP, 1);
 329         rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
 330
 331         rt2x00usb_register_write(rt2x00dev, USB_DMA_CFG, 0x00000000);
 332
 333         rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0,
 334                                     USB_MODE_RESET, REGISTER_TIMEOUT);
 335
 336         rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
 337
 338         return 0;
 339 }
 340
 341 static int rt2800usb_enable_radio(struct rt2x00_dev *rt2x00dev)
 342 {
 343         u32 reg;
 344
 345         if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev)))
 346                 return -EIO;
 347
 348         rt2x00usb_register_read(rt2x00dev, USB_DMA_CFG, &reg);
 349         rt2x00_set_field32(&reg, USB_DMA_CFG_PHY_CLEAR, 0);
 350         rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_EN, 0);
 351         rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_TIMEOUT, 128);
 352         /*
 353          * Total room for RX frames in kilobytes, PBF might still exceed
 354          * this limit so reduce the number to prevent errors.
 355          */
 356         rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_LIMIT,
 357                            ((rt2x00dev->rx->limit * DATA_FRAME_SIZE)
 358                             / 1024) - 3);
 359         rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_EN, 1);
 360         rt2x00_set_field32(&reg, USB_DMA_CFG_TX_BULK_EN, 1);
 361         rt2x00usb_register_write(rt2x00dev, USB_DMA_CFG, reg);
 362
 363         return rt2800_enable_radio(rt2x00dev);
 364 }
 365
 366 static void rt2800usb_disable_radio(struct rt2x00_dev *rt2x00dev)
 367 {
 368         rt2800_disable_radio(rt2x00dev);
 369         rt2x00usb_disable_radio(rt2x00dev);
 370 }
 371
 372 static int rt2800usb_set_state(struct rt2x00_dev *rt2x00dev,
 373                                enum dev_state state)
 374 {
 375         if (state == STATE_AWAKE)
 376                 rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, 0xff, 0, 2);
 377         else
 378                 rt2800_mcu_request(rt2x00dev, MCU_SLEEP, 0xff, 0xff, 2);
 379
 380         return 0;
 381 }
 382
 383 static int rt2800usb_set_device_state(struct rt2x00_dev *rt2x00dev,
 384                                       enum dev_state state)
 385 {
 386         int retval = 0;
 387
 388         switch (state) {
 389         case STATE_RADIO_ON:
 390                 /*
 391                  * Before the radio can be enabled, the device first has
 392                  * to be woken up. After that it needs a bit of time
 393                  * to be fully awake and then the radio can be enabled.
 394                  */
 395                 rt2800usb_set_state(rt2x00dev, STATE_AWAKE);
 396                 msleep(1);
 397                 retval = rt2800usb_enable_radio(rt2x00dev);
 398                 break;
 399         case STATE_RADIO_OFF:
 400                 /*
 401                  * After the radio has been disabled, the device should
 402                  * be put to sleep for powersaving.
 403                  */
 404                 rt2800usb_disable_radio(rt2x00dev);
 405                 rt2800usb_set_state(rt2x00dev, STATE_SLEEP);
 406                 break;
 407         case STATE_RADIO_IRQ_ON:
 408         case STATE_RADIO_IRQ_OFF:
 409                 /* No support, but no error either */
 410                 break;
 411         case STATE_DEEP_SLEEP:
 412         case STATE_SLEEP:
 413         case STATE_STANDBY:
 414         case STATE_AWAKE:
 415                 retval = rt2800usb_set_state(rt2x00dev, state);
 416                 break;
 417         default:
 418                 retval = -ENOTSUPP;
 419                 break;
 420         }
 421
 422         if (unlikely(retval))
 423                 rt2x00_err(rt2x00dev, "Device failed to enter state %d (%d)\n",
 424                            state, retval);
 425
 426         return retval;
 427 }
 428
 429 /*
 430  * Watchdog handlers
 431  */
 432 static void rt2800usb_watchdog(struct rt2x00_dev *rt2x00dev)
 433 {
 434         unsigned int i;
 435         u32 reg;
 436
 437         rt2x00usb_register_read(rt2x00dev, TXRXQ_PCNT, &reg);
 438         if (rt2x00_get_field32(reg, TXRXQ_PCNT_TX0Q)) {
 439                 rt2x00_warn(rt2x00dev, "TX HW queue 0 timed out, invoke forced kick\n");
 440
 441                 rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40012);
 442
 443                 for (i = 0; i < 10; i++) {
 444                         udelay(10);
 445                         if (!rt2x00_get_field32(reg, TXRXQ_PCNT_TX0Q))
 446                                 break;
 447                 }
 448
 449                 rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40006);
 450         }
 451
 452         rt2x00usb_register_read(rt2x00dev, TXRXQ_PCNT, &reg);
 453         if (rt2x00_get_field32(reg, TXRXQ_PCNT_TX1Q)) {
 454                 rt2x00_warn(rt2x00dev, "TX HW queue 1 timed out, invoke forced kick\n");
 455
 456                 rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf4000a);
 457
 458                 for (i = 0; i < 10; i++) {
 459                         udelay(10);
 460                         if (!rt2x00_get_field32(reg, TXRXQ_PCNT_TX1Q))
 461                                 break;
 462                 }
 463
 464                 rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40006);
 465         }
 466
 467         rt2x00usb_watchdog(rt2x00dev);
 468 }
 469
 470 /*
 471  * TX descriptor initialization
 472  */
 473 static __le32 *rt2800usb_get_txwi(struct queue_entry *entry)
 474 {
 475         if (entry->queue->qid == QID_BEACON)
 476                 return (__le32 *) (entry->skb->data);
 477         else
 478                 return (__le32 *) (entry->skb->data + TXINFO_DESC_SIZE);
 479 }
 480
 481 static void rt2800usb_write_tx_desc(struct queue_entry *entry,
 482                                     struct txentry_desc *txdesc)
 483 {
 484         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
 485         __le32 *txi = (__le32 *) entry->skb->data;
 486         u32 word;
 487
 488         /*
 489          * Initialize TXINFO descriptor
 490          */
 491         rt2x00_desc_read(txi, 0, &word);
 492
 493         /*
 494          * The size of TXINFO_W0_USB_DMA_TX_PKT_LEN is
 495          * TXWI + 802.11 header + L2 pad + payload + pad,
 496          * so need to decrease size of TXINFO.
 497          */
 498         rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_PKT_LEN,
 499                            roundup(entry->skb->len, 4) - TXINFO_DESC_SIZE);
 500         rt2x00_set_field32(&word, TXINFO_W0_WIV,
 501                            !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags));
 502         rt2x00_set_field32(&word, TXINFO_W0_QSEL, 2);
 503         rt2x00_set_field32(&word, TXINFO_W0_SW_USE_LAST_ROUND, 0);
 504         rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_NEXT_VALID, 0);
 505         rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_BURST,
 506                            test_bit(ENTRY_TXD_BURST, &txdesc->flags));
 507         rt2x00_desc_write(txi, 0, word);
 508
 509         /*
 510          * Register descriptor details in skb frame descriptor.
 511          */
 512         skbdesc->flags |= SKBDESC_DESC_IN_SKB;
 513         skbdesc->desc = txi;
 514         skbdesc->desc_len = TXINFO_DESC_SIZE + entry->queue->winfo_size;
 515 }
 516
 517 /*
 518  * TX data initialization
 519  */
 520 static int rt2800usb_get_tx_data_len(struct queue_entry *entry)
 521 {
 522         /*
 523          * pad(1~3 bytes) is needed after each 802.11 payload.
 524          * USB end pad(4 bytes) is needed at each USB bulk out packet end.
 525          * TX frame format is :
 526          * | TXINFO | TXWI | 802.11 header | L2 pad | payload | pad | USB end pad |
 527          *                 |<------------- tx_pkt_len ------------->|
 528          */
 529
 530         return roundup(entry->skb->len, 4) + 4;
 531 }
 532
 533 /*
 534  * TX control handlers
 535  */
 536 static enum txdone_entry_desc_flags
 537 rt2800usb_txdone_entry_check(struct queue_entry *entry, u32 reg)
 538 {
 539         __le32 *txwi;
 540         u32 word;
 541         int wcid, ack, pid;
 542         int tx_wcid, tx_ack, tx_pid, is_agg;
 543
 544         /*
 545          * This frames has returned with an IO error,
 546          * so the status report is not intended for this
 547          * frame.
 548          */
 549         if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags))
 550                 return TXDONE_FAILURE;
 551
 552         wcid    = rt2x00_get_field32(reg, TX_STA_FIFO_WCID);
 553         ack     = rt2x00_get_field32(reg, TX_STA_FIFO_TX_ACK_REQUIRED);
 554         pid     = rt2x00_get_field32(reg, TX_STA_FIFO_PID_TYPE);
 555         is_agg  = rt2x00_get_field32(reg, TX_STA_FIFO_TX_AGGRE);
 556
 557         /*
 558          * Validate if this TX status report is intended for
 559          * this entry by comparing the WCID/ACK/PID fields.
 560          */
 561         txwi = rt2800usb_get_txwi(entry);
 562
 563         rt2x00_desc_read(txwi, 1, &word);
 564         tx_wcid = rt2x00_get_field32(word, TXWI_W1_WIRELESS_CLI_ID);
 565         tx_ack  = rt2x00_get_field32(word, TXWI_W1_ACK);
 566         tx_pid  = rt2x00_get_field32(word, TXWI_W1_PACKETID);
 567
 568         if (wcid != tx_wcid || ack != tx_ack || (!is_agg && pid != tx_pid)) {
 569                 rt2x00_dbg(entry->queue->rt2x00dev,
 570                            "TX status report missed for queue %d entry %d\n",
 571                            entry->queue->qid, entry->entry_idx);
 572                 return TXDONE_UNKNOWN;
 573         }
 574
 575         return TXDONE_SUCCESS;
 576 }
 577
 578 static void rt2800usb_txdone(struct rt2x00_dev *rt2x00dev)
 579 {
 580         struct data_queue *queue;
 581         struct queue_entry *entry;
 582         u32 reg;
 583         u8 qid;
 584         enum txdone_entry_desc_flags done_status;
 585
 586         while (kfifo_get(&rt2x00dev->txstatus_fifo, &reg)) {
 587                 /*
 588                  * TX_STA_FIFO_PID_QUEUE is a 2-bit field, thus qid is
 589                  * guaranteed to be one of the TX QIDs .
 590                  */
 591                 qid = rt2x00_get_field32(reg, TX_STA_FIFO_PID_QUEUE);
 592                 queue = rt2x00queue_get_tx_queue(rt2x00dev, qid);
 593
 594                 if (unlikely(rt2x00queue_empty(queue))) {
 595                         rt2x00_dbg(rt2x00dev, "Got TX status for an empty queue %u, dropping\n",
 596                                    qid);
 597                         break;
 598                 }
 599
 600                 entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
 601
 602                 if (unlikely(test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags) ||
 603                              !test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))) {
 604                         rt2x00_warn(rt2x00dev, "Data pending for entry %u in queue %u\n",
 605                                     entry->entry_idx, qid);
 606                         break;
 607                 }
 608
 609                 done_status = rt2800usb_txdone_entry_check(entry, reg);
 610                 if (likely(done_status == TXDONE_SUCCESS))
 611                         rt2800_txdone_entry(entry, reg, rt2800usb_get_txwi(entry));
 612                 else
 613                         rt2x00lib_txdone_noinfo(entry, done_status);
 614         }
 615 }
 616
 617 static void rt2800usb_txdone_nostatus(struct rt2x00_dev *rt2x00dev)
 618 {
 619         struct data_queue *queue;
 620         struct queue_entry *entry;
 621
 622         /*
 623          * Process any trailing TX status reports for IO failures,
 624          * we loop until we find the first non-IO error entry. This
 625          * can either be a frame which is free, is being uploaded,
 626          * or has completed the upload but didn't have an entry
 627          * in the TX_STAT_FIFO register yet.
 628          */
 629         tx_queue_for_each(rt2x00dev, queue) {
 630                 while (!rt2x00queue_empty(queue)) {
 631                         entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
 632
 633                         if (test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags) ||
 634                             !test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))
 635                                 break;
 636
 637                         if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags))
 638                                 rt2x00lib_txdone_noinfo(entry, TXDONE_FAILURE);
 639                         else if (rt2800usb_entry_txstatus_timeout(entry))
 640                                 rt2x00lib_txdone_noinfo(entry, TXDONE_UNKNOWN);
 641                         else
 642                                 break;
 643                 }
 644         }
 645 }
 646
 647 static void rt2800usb_work_txdone(struct work_struct *work)
 648 {
 649         struct rt2x00_dev *rt2x00dev =
 650             container_of(work, struct rt2x00_dev, txdone_work);
 651
 652         while (!kfifo_is_empty(&rt2x00dev->txstatus_fifo) ||
 653                rt2800usb_txstatus_timeout(rt2x00dev)) {
 654
 655                 rt2800usb_txdone(rt2x00dev);
 656
 657                 rt2800usb_txdone_nostatus(rt2x00dev);
 658
 659                 /*
 660                  * The hw may delay sending the packet after DMA complete
 661                  * if the medium is busy, thus the TX_STA_FIFO entry is
 662                  * also delayed -> use a timer to retrieve it.
 663                  */
 664                 if (rt2800usb_txstatus_pending(rt2x00dev))
 665                         rt2800usb_async_read_tx_status(rt2x00dev);
 666         }
 667 }
 668
 669 /*
 670  * RX control handlers
 671  */
 672 static void rt2800usb_fill_rxdone(struct queue_entry *entry,
 673                                   struct rxdone_entry_desc *rxdesc)
 674 {
 675         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
 676         __le32 *rxi = (__le32 *)entry->skb->data;
 677         __le32 *rxd;
 678         u32 word;
 679         int rx_pkt_len;
 680
 681         /*
 682          * Copy descriptor to the skbdesc->desc buffer, making it safe from
 683          * moving of frame data in rt2x00usb.
 684          */
 685         memcpy(skbdesc->desc, rxi, skbdesc->desc_len);
 686
 687         /*
 688          * RX frame format is :
 689          * | RXINFO | RXWI | header | L2 pad | payload | pad | RXD | USB pad |
 690          *          |<------------ rx_pkt_len -------------->|
 691          */
 692         rt2x00_desc_read(rxi, 0, &word);
 693         rx_pkt_len = rt2x00_get_field32(word, RXINFO_W0_USB_DMA_RX_PKT_LEN);
 694
 695         /*
 696          * Remove the RXINFO structure from the sbk.
 697          */
 698         skb_pull(entry->skb, RXINFO_DESC_SIZE);
 699
 700         /*
 701          * Check for rx_pkt_len validity. Return if invalid, leaving
 702          * rxdesc->size zeroed out by the upper level.
 703          */
 704         if (unlikely(rx_pkt_len == 0 ||
 705                         rx_pkt_len > entry->queue->data_size)) {
 706                 rt2x00_err(entry->queue->rt2x00dev,
 707                            "Bad frame size %d, forcing to 0\n", rx_pkt_len);
 708                 return;
 709         }
 710
 711         rxd = (__le32 *)(entry->skb->data + rx_pkt_len);
 712
 713         /*
 714          * It is now safe to read the descriptor on all architectures.
 715          */
 716         rt2x00_desc_read(rxd, 0, &word);
 717
 718         if (rt2x00_get_field32(word, RXD_W0_CRC_ERROR))
 719                 rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
 720
 721         rxdesc->cipher_status = rt2x00_get_field32(word, RXD_W0_CIPHER_ERROR);
 722
 723         if (rt2x00_get_field32(word, RXD_W0_DECRYPTED)) {
 724                 /*
 725                  * Hardware has stripped IV/EIV data from 802.11 frame during
 726                  * decryption. Unfortunately the descriptor doesn't contain
 727                  * any fields with the EIV/IV data either, so they can't
 728                  * be restored by rt2x00lib.
 729                  */
 730                 rxdesc->flags |= RX_FLAG_IV_STRIPPED;
 731
 732                 /*
 733                  * The hardware has already checked the Michael Mic and has
 734                  * stripped it from the frame. Signal this to mac80211.
 735                  */
 736                 rxdesc->flags |= RX_FLAG_MMIC_STRIPPED;
 737
 738                 if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS)
 739                         rxdesc->flags |= RX_FLAG_DECRYPTED;
 740                 else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC)
 741                         rxdesc->flags |= RX_FLAG_MMIC_ERROR;
 742         }
 743
 744         if (rt2x00_get_field32(word, RXD_W0_MY_BSS))
 745                 rxdesc->dev_flags |= RXDONE_MY_BSS;
 746
 747         if (rt2x00_get_field32(word, RXD_W0_L2PAD))
 748                 rxdesc->dev_flags |= RXDONE_L2PAD;
 749
 750         /*
 751          * Remove RXD descriptor from end of buffer.
 752          */
 753         skb_trim(entry->skb, rx_pkt_len);
 754
 755         /*
 756          * Process the RXWI structure.
 757          */
 758         rt2800_process_rxwi(entry, rxdesc);
 759 }
 760
 761 /*
 762  * Device probe functions.
 763  */
 764 static int rt2800usb_efuse_detect(struct rt2x00_dev *rt2x00dev)
 765 {
 766         if (rt2800usb_autorun_detect(rt2x00dev))
 767                 return 1;
 768         return rt2800_efuse_detect(rt2x00dev);
 769 }
 770
 771 static int rt2800usb_read_eeprom(struct rt2x00_dev *rt2x00dev)
 772 {
 773         int retval;
 774
 775         if (rt2800usb_efuse_detect(rt2x00dev))
 776                 retval = rt2800_read_eeprom_efuse(rt2x00dev);
 777         else
 778                 retval = rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom,
 779                                                EEPROM_SIZE);
 780
 781         return retval;
 782 }
 783
 784 static int rt2800usb_probe_hw(struct rt2x00_dev *rt2x00dev)
 785 {
 786         int retval;
 787
 788         retval = rt2800_probe_hw(rt2x00dev);
 789         if (retval)
 790                 return retval;
 791
 792         /*
 793          * Set txstatus timer function.
 794          */
 795         rt2x00dev->txstatus_timer.function = rt2800usb_tx_sta_fifo_timeout;
 796
 797         /*
 798          * Overwrite TX done handler
 799          */
 800         INIT_WORK(&rt2x00dev->txdone_work, rt2800usb_work_txdone);
 801
 802         return 0;
 803 }
 804
 805 static const struct ieee80211_ops rt2800usb_mac80211_ops = {
 806         .tx                     = rt2x00mac_tx,
 807         .start                  = rt2x00mac_start,
 808         .stop                   = rt2x00mac_stop,
 809         .add_interface          = rt2x00mac_add_interface,
 810         .remove_interface       = rt2x00mac_remove_interface,
 811         .config                 = rt2x00mac_config,
 812         .configure_filter       = rt2x00mac_configure_filter,
 813         .set_tim                = rt2x00mac_set_tim,
 814         .set_key                = rt2x00mac_set_key,
 815         .sw_scan_start          = rt2x00mac_sw_scan_start,
 816         .sw_scan_complete       = rt2x00mac_sw_scan_complete,
 817         .get_stats              = rt2x00mac_get_stats,
 818         .get_tkip_seq           = rt2800_get_tkip_seq,
 819         .set_rts_threshold      = rt2800_set_rts_threshold,
 820         .sta_add                = rt2x00mac_sta_add,
 821         .sta_remove             = rt2x00mac_sta_remove,
 822         .bss_info_changed       = rt2x00mac_bss_info_changed,
 823         .conf_tx                = rt2800_conf_tx,
 824         .get_tsf                = rt2800_get_tsf,
 825         .rfkill_poll            = rt2x00mac_rfkill_poll,
 826         .ampdu_action           = rt2800_ampdu_action,
 827         .flush                  = rt2x00mac_flush,
 828         .get_survey             = rt2800_get_survey,
 829         .get_ringparam          = rt2x00mac_get_ringparam,
 830         .tx_frames_pending      = rt2x00mac_tx_frames_pending,
 831 };
 832
 833 static const struct rt2800_ops rt2800usb_rt2800_ops = {
 834         .register_read          = rt2x00usb_register_read,
 835         .register_read_lock     = rt2x00usb_register_read_lock,
 836         .register_write         = rt2x00usb_register_write,
 837         .register_write_lock    = rt2x00usb_register_write_lock,
 838         .register_multiread     = rt2x00usb_register_multiread,
 839         .register_multiwrite    = rt2x00usb_register_multiwrite,
 840         .regbusy_read           = rt2x00usb_regbusy_read,
 841         .read_eeprom            = rt2800usb_read_eeprom,
 842         .hwcrypt_disabled       = rt2800usb_hwcrypt_disabled,
 843         .drv_write_firmware     = rt2800usb_write_firmware,
 844         .drv_init_registers     = rt2800usb_init_registers,
 845         .drv_get_txwi           = rt2800usb_get_txwi,
 846 };
 847
 848 static const struct rt2x00lib_ops rt2800usb_rt2x00_ops = {
 849         .probe_hw               = rt2800usb_probe_hw,
 850         .get_firmware_name      = rt2800usb_get_firmware_name,
 851         .check_firmware         = rt2800_check_firmware,
 852         .load_firmware          = rt2800_load_firmware,
 853         .initialize             = rt2x00usb_initialize,
 854         .uninitialize           = rt2x00usb_uninitialize,
 855         .clear_entry            = rt2x00usb_clear_entry,
 856         .set_device_state       = rt2800usb_set_device_state,
 857         .rfkill_poll            = rt2800_rfkill_poll,
 858         .link_stats             = rt2800_link_stats,
 859         .reset_tuner            = rt2800_reset_tuner,
 860         .link_tuner             = rt2800_link_tuner,
 861         .gain_calibration       = rt2800_gain_calibration,
 862         .vco_calibration        = rt2800_vco_calibration,
 863         .watchdog               = rt2800usb_watchdog,
 864         .start_queue            = rt2800usb_start_queue,
 865         .kick_queue             = rt2x00usb_kick_queue,
 866         .stop_queue             = rt2800usb_stop_queue,
 867         .flush_queue            = rt2x00usb_flush_queue,
 868         .tx_dma_done            = rt2800usb_tx_dma_done,
 869         .write_tx_desc          = rt2800usb_write_tx_desc,
 870         .write_tx_data          = rt2800_write_tx_data,
 871         .write_beacon           = rt2800_write_beacon,
 872         .clear_beacon           = rt2800_clear_beacon,
 873         .get_tx_data_len        = rt2800usb_get_tx_data_len,
 874         .fill_rxdone            = rt2800usb_fill_rxdone,
 875         .config_shared_key      = rt2800_config_shared_key,
 876         .config_pairwise_key    = rt2800_config_pairwise_key,
 877         .config_filter          = rt2800_config_filter,
 878         .config_intf            = rt2800_config_intf,
 879         .config_erp             = rt2800_config_erp,
 880         .config_ant             = rt2800_config_ant,
 881         .config                 = rt2800_config,
 882         .sta_add                = rt2800_sta_add,
 883         .sta_remove             = rt2800_sta_remove,
 884 };
 885
 886 static void rt2800usb_queue_init(struct data_queue *queue)
 887 {
 888         struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
 889         unsigned short txwi_size, rxwi_size;
 890
 891         rt2800_get_txwi_rxwi_size(rt2x00dev, &txwi_size, &rxwi_size);
 892
 893         switch (queue->qid) {
 894         case QID_RX:
 895                 queue->limit = 128;
 896                 queue->data_size = AGGREGATION_SIZE;
 897                 queue->desc_size = RXINFO_DESC_SIZE;
 898                 queue->winfo_size = rxwi_size;
 899                 queue->priv_size = sizeof(struct queue_entry_priv_usb);
 900                 break;
 901
 902         case QID_AC_VO:
 903         case QID_AC_VI:
 904         case QID_AC_BE:
 905         case QID_AC_BK:
 906                 queue->limit = 16;
 907                 queue->data_size = AGGREGATION_SIZE;
 908                 queue->desc_size = TXINFO_DESC_SIZE;
 909                 queue->winfo_size = txwi_size;
 910                 queue->priv_size = sizeof(struct queue_entry_priv_usb);
 911                 break;
 912
 913         case QID_BEACON:
 914                 queue->limit = 8;
 915                 queue->data_size = MGMT_FRAME_SIZE;
 916                 queue->desc_size = TXINFO_DESC_SIZE;
 917                 queue->winfo_size = txwi_size;
 918                 queue->priv_size = sizeof(struct queue_entry_priv_usb);
 919                 break;
 920
 921         case QID_ATIM:
 922                 /* fallthrough */
 923         default:
 924                 BUG();
 925                 break;
 926         }
 927 }
 928
 929 static const struct rt2x00_ops rt2800usb_ops = {
 930         .name                   = KBUILD_MODNAME,
 931         .drv_data_size          = sizeof(struct rt2800_drv_data),
 932         .max_ap_intf            = 8,
 933         .eeprom_size            = EEPROM_SIZE,
 934         .rf_size                = RF_SIZE,
 935         .tx_queues              = NUM_TX_QUEUES,
 936         .queue_init             = rt2800usb_queue_init,
 937         .lib                    = &rt2800usb_rt2x00_ops,
 938         .drv                    = &rt2800usb_rt2800_ops,
 939         .hw                     = &rt2800usb_mac80211_ops,
 940 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
 941         .debugfs                = &rt2800_rt2x00debug,
 942 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
 943 };
 944
 945 /*
 946  * rt2800usb module information.
 947  */
 948 static struct usb_device_id rt2800usb_device_table[] = {
 949         /* Abocom */
 950         { USB_DEVICE(0x07b8, 0x2870) },
 951         { USB_DEVICE(0x07b8, 0x2770) },
 952         { USB_DEVICE(0x07b8, 0x3070) },
 953         { USB_DEVICE(0x07b8, 0x3071) },
 954         { USB_DEVICE(0x07b8, 0x3072) },
 955         { USB_DEVICE(0x1482, 0x3c09) },
 956         /* AirTies */
 957         { USB_DEVICE(0x1eda, 0x2012) },
 958         { USB_DEVICE(0x1eda, 0x2210) },
 959         { USB_DEVICE(0x1eda, 0x2310) },
 960         /* Allwin */
 961         { USB_DEVICE(0x8516, 0x2070) },
 962         { USB_DEVICE(0x8516, 0x2770) },
 963         { USB_DEVICE(0x8516, 0x2870) },
 964         { USB_DEVICE(0x8516, 0x3070) },
 965         { USB_DEVICE(0x8516, 0x3071) },
 966         { USB_DEVICE(0x8516, 0x3072) },
 967         /* Alpha Networks */
 968         { USB_DEVICE(0x14b2, 0x3c06) },
 969         { USB_DEVICE(0x14b2, 0x3c07) },
 970         { USB_DEVICE(0x14b2, 0x3c09) },
 971         { USB_DEVICE(0x14b2, 0x3c12) },
 972         { USB_DEVICE(0x14b2, 0x3c23) },
 973         { USB_DEVICE(0x14b2, 0x3c25) },
 974         { USB_DEVICE(0x14b2, 0x3c27) },
 975         { USB_DEVICE(0x14b2, 0x3c28) },
 976         { USB_DEVICE(0x14b2, 0x3c2c) },
 977         /* Amit */
 978         { USB_DEVICE(0x15c5, 0x0008) },
 979         /* Askey */
 980         { USB_DEVICE(0x1690, 0x0740) },
 981         /* ASUS */
 982         { USB_DEVICE(0x0b05, 0x1731) },
 983         { USB_DEVICE(0x0b05, 0x1732) },
 984         { USB_DEVICE(0x0b05, 0x1742) },
 985         { USB_DEVICE(0x0b05, 0x1784) },
 986         { USB_DEVICE(0x1761, 0x0b05) },
 987         /* AzureWave */
 988         { USB_DEVICE(0x13d3, 0x3247) },
 989         { USB_DEVICE(0x13d3, 0x3273) },
 990         { USB_DEVICE(0x13d3, 0x3305) },
 991         { USB_DEVICE(0x13d3, 0x3307) },
 992         { USB_DEVICE(0x13d3, 0x3321) },
 993         /* Belkin */
 994         { USB_DEVICE(0x050d, 0x8053) },
 995         { USB_DEVICE(0x050d, 0x805c) },
 996         { USB_DEVICE(0x050d, 0x815c) },
 997         { USB_DEVICE(0x050d, 0x825a) },
 998         { USB_DEVICE(0x050d, 0x825b) },
 999         { USB_DEVICE(0x050d, 0x935a) },
1000         { USB_DEVICE(0x050d, 0x935b) },
1001         /* Buffalo */
1002         { USB_DEVICE(0x0411, 0x00e8) },
1003         { USB_DEVICE(0x0411, 0x0158) },
1004         { USB_DEVICE(0x0411, 0x015d) },
1005         { USB_DEVICE(0x0411, 0x016f) },
1006         { USB_DEVICE(0x0411, 0x01a2) },
1007         { USB_DEVICE(0x0411, 0x01ee) },
1008         { USB_DEVICE(0x0411, 0x01a8) },
1009         /* Corega */
1010         { USB_DEVICE(0x07aa, 0x002f) },
1011         { USB_DEVICE(0x07aa, 0x003c) },
1012         { USB_DEVICE(0x07aa, 0x003f) },
1013         { USB_DEVICE(0x18c5, 0x0012) },
1014         /* D-Link */
1015         { USB_DEVICE(0x07d1, 0x3c09) },
1016         { USB_DEVICE(0x07d1, 0x3c0a) },
1017         { USB_DEVICE(0x07d1, 0x3c0d) },
1018         { USB_DEVICE(0x07d1, 0x3c0e) },
1019         { USB_DEVICE(0x07d1, 0x3c0f) },
1020         { USB_DEVICE(0x07d1, 0x3c11) },
1021         { USB_DEVICE(0x07d1, 0x3c13) },
1022         { USB_DEVICE(0x07d1, 0x3c15) },
1023         { USB_DEVICE(0x07d1, 0x3c16) },
1024         { USB_DEVICE(0x07d1, 0x3c17) },
1025         { USB_DEVICE(0x2001, 0x3317) },
1026         { USB_DEVICE(0x2001, 0x3c1b) },
1027         /* Draytek */
1028         { USB_DEVICE(0x07fa, 0x7712) },
1029         /* DVICO */
1030         { USB_DEVICE(0x0fe9, 0xb307) },
1031         /* Edimax */
1032         { USB_DEVICE(0x7392, 0x4085) },
1033         { USB_DEVICE(0x7392, 0x7711) },
1034         { USB_DEVICE(0x7392, 0x7717) },
1035         { USB_DEVICE(0x7392, 0x7718) },
1036         { USB_DEVICE(0x7392, 0x7722) },
1037         /* Encore */
1038         { USB_DEVICE(0x203d, 0x1480) },
1039         { USB_DEVICE(0x203d, 0x14a9) },
1040         /* EnGenius */
1041         { USB_DEVICE(0x1740, 0x9701) },
1042         { USB_DEVICE(0x1740, 0x9702) },
1043         { USB_DEVICE(0x1740, 0x9703) },
1044         { USB_DEVICE(0x1740, 0x9705) },
1045         { USB_DEVICE(0x1740, 0x9706) },
1046         { USB_DEVICE(0x1740, 0x9707) },
1047         { USB_DEVICE(0x1740, 0x9708) },
1048         { USB_DEVICE(0x1740, 0x9709) },
1049         /* Gemtek */
1050         { USB_DEVICE(0x15a9, 0x0012) },
1051         /* Gigabyte */
1052         { USB_DEVICE(0x1044, 0x800b) },
1053         { USB_DEVICE(0x1044, 0x800d) },
1054         /* Hawking */
1055         { USB_DEVICE(0x0e66, 0x0001) },
1056         { USB_DEVICE(0x0e66, 0x0003) },
1057         { USB_DEVICE(0x0e66, 0x0009) },
1058         { USB_DEVICE(0x0e66, 0x000b) },
1059         { USB_DEVICE(0x0e66, 0x0013) },
1060         { USB_DEVICE(0x0e66, 0x0017) },
1061         { USB_DEVICE(0x0e66, 0x0018) },
1062         /* I-O DATA */
1063         { USB_DEVICE(0x04bb, 0x0945) },
1064         { USB_DEVICE(0x04bb, 0x0947) },
1065         { USB_DEVICE(0x04bb, 0x0948) },
1066         /* Linksys */
1067         { USB_DEVICE(0x13b1, 0x0031) },
1068         { USB_DEVICE(0x1737, 0x0070) },
1069         { USB_DEVICE(0x1737, 0x0071) },
1070         { USB_DEVICE(0x1737, 0x0077) },
1071         { USB_DEVICE(0x1737, 0x0078) },
1072         /* Logitec */
1073         { USB_DEVICE(0x0789, 0x0162) },
1074         { USB_DEVICE(0x0789, 0x0163) },
1075         { USB_DEVICE(0x0789, 0x0164) },
1076         { USB_DEVICE(0x0789, 0x0166) },
1077         /* Motorola */
1078         { USB_DEVICE(0x100d, 0x9031) },
1079         /* MSI */
1080         { USB_DEVICE(0x0db0, 0x3820) },
1081         { USB_DEVICE(0x0db0, 0x3821) },
1082         { USB_DEVICE(0x0db0, 0x3822) },
1083         { USB_DEVICE(0x0db0, 0x3870) },
1084         { USB_DEVICE(0x0db0, 0x3871) },
1085         { USB_DEVICE(0x0db0, 0x6899) },
1086         { USB_DEVICE(0x0db0, 0x821a) },
1087         { USB_DEVICE(0x0db0, 0x822a) },
1088         { USB_DEVICE(0x0db0, 0x822b) },
1089         { USB_DEVICE(0x0db0, 0x822c) },
1090         { USB_DEVICE(0x0db0, 0x870a) },
1091         { USB_DEVICE(0x0db0, 0x871a) },
1092         { USB_DEVICE(0x0db0, 0x871b) },
1093         { USB_DEVICE(0x0db0, 0x871c) },
1094         { USB_DEVICE(0x0db0, 0x899a) },
1095         /* Ovislink */
1096         { USB_DEVICE(0x1b75, 0x3071) },
1097         { USB_DEVICE(0x1b75, 0x3072) },
1098         /* Para */
1099         { USB_DEVICE(0x20b8, 0x8888) },
1100         /* Pegatron */
1101         { USB_DEVICE(0x1d4d, 0x0002) },
1102         { USB_DEVICE(0x1d4d, 0x000c) },
1103         { USB_DEVICE(0x1d4d, 0x000e) },
1104         { USB_DEVICE(0x1d4d, 0x0011) },
1105         /* Philips */
1106         { USB_DEVICE(0x0471, 0x200f) },
1107         /* Planex */
1108         { USB_DEVICE(0x2019, 0x5201) },
1109         { USB_DEVICE(0x2019, 0xab25) },
1110         { USB_DEVICE(0x2019, 0xed06) },
1111         /* Quanta */
1112         { USB_DEVICE(0x1a32, 0x0304) },
1113         /* Ralink */
1114         { USB_DEVICE(0x148f, 0x2070) },
1115         { USB_DEVICE(0x148f, 0x2770) },
1116         { USB_DEVICE(0x148f, 0x2870) },
1117         { USB_DEVICE(0x148f, 0x3070) },
1118         { USB_DEVICE(0x148f, 0x3071) },
1119         { USB_DEVICE(0x148f, 0x3072) },
1120         /* Samsung */
1121         { USB_DEVICE(0x04e8, 0x2018) },
1122         /* Siemens */
1123         { USB_DEVICE(0x129b, 0x1828) },
1124         /* Sitecom */
1125         { USB_DEVICE(0x0df6, 0x0017) },
1126         { USB_DEVICE(0x0df6, 0x002b) },
1127         { USB_DEVICE(0x0df6, 0x002c) },
1128         { USB_DEVICE(0x0df6, 0x002d) },
1129         { USB_DEVICE(0x0df6, 0x0039) },
1130         { USB_DEVICE(0x0df6, 0x003b) },
1131         { USB_DEVICE(0x0df6, 0x003d) },
1132         { USB_DEVICE(0x0df6, 0x003e) },
1133         { USB_DEVICE(0x0df6, 0x003f) },
1134         { USB_DEVICE(0x0df6, 0x0040) },
1135         { USB_DEVICE(0x0df6, 0x0042) },
1136         { USB_DEVICE(0x0df6, 0x0047) },
1137         { USB_DEVICE(0x0df6, 0x0048) },
1138         { USB_DEVICE(0x0df6, 0x0051) },
1139         { USB_DEVICE(0x0df6, 0x005f) },
1140         { USB_DEVICE(0x0df6, 0x0060) },
1141         /* SMC */
1142         { USB_DEVICE(0x083a, 0x6618) },
1143         { USB_DEVICE(0x083a, 0x7511) },
1144         { USB_DEVICE(0x083a, 0x7512) },
1145         { USB_DEVICE(0x083a, 0x7522) },
1146         { USB_DEVICE(0x083a, 0x8522) },
1147         { USB_DEVICE(0x083a, 0xa618) },
1148         { USB_DEVICE(0x083a, 0xa701) },
1149         { USB_DEVICE(0x083a, 0xa702) },
1150         { USB_DEVICE(0x083a, 0xa703) },
1151         { USB_DEVICE(0x083a, 0xb522) },
1152         /* Sparklan */
1153         { USB_DEVICE(0x15a9, 0x0006) },
1154         /* Sweex */
1155         { USB_DEVICE(0x177f, 0x0153) },
1156         { USB_DEVICE(0x177f, 0x0164) },
1157         { USB_DEVICE(0x177f, 0x0302) },
1158         { USB_DEVICE(0x177f, 0x0313) },
1159         { USB_DEVICE(0x177f, 0x0323) },
1160         { USB_DEVICE(0x177f, 0x0324) },
1161         /* U-Media */
1162         { USB_DEVICE(0x157e, 0x300e) },
1163         { USB_DEVICE(0x157e, 0x3013) },
1164         /* ZCOM */
1165         { USB_DEVICE(0x0cde, 0x0022) },
1166         { USB_DEVICE(0x0cde, 0x0025) },
1167         /* Zinwell */
1168         { USB_DEVICE(0x5a57, 0x0280) },
1169         { USB_DEVICE(0x5a57, 0x0282) },
1170         { USB_DEVICE(0x5a57, 0x0283) },
1171         { USB_DEVICE(0x5a57, 0x5257) },
1172         /* Zyxel */
1173         { USB_DEVICE(0x0586, 0x3416) },
1174         { USB_DEVICE(0x0586, 0x3418) },
1175         { USB_DEVICE(0x0586, 0x341a) },
1176         { USB_DEVICE(0x0586, 0x341e) },
1177         { USB_DEVICE(0x0586, 0x343e) },
1178 #ifdef CONFIG_RT2800USB_RT33XX
1179         /* Belkin */
1180         { USB_DEVICE(0x050d, 0x945b) },
1181         /* D-Link */
1182         { USB_DEVICE(0x2001, 0x3c17) },
1183         /* Panasonic */
1184         { USB_DEVICE(0x083a, 0xb511) },
1185         /* Philips */
1186         { USB_DEVICE(0x0471, 0x20dd) },
1187         /* Ralink */
1188         { USB_DEVICE(0x148f, 0x3370) },
1189         { USB_DEVICE(0x148f, 0x8070) },
1190         /* Sitecom */
1191         { USB_DEVICE(0x0df6, 0x0050) },
1192         /* Sweex */
1193         { USB_DEVICE(0x177f, 0x0163) },
1194         { USB_DEVICE(0x177f, 0x0165) },
1195 #endif
1196 #ifdef CONFIG_RT2800USB_RT35XX
1197         /* Allwin */
1198         { USB_DEVICE(0x8516, 0x3572) },
1199         /* Askey */
1200         { USB_DEVICE(0x1690, 0x0744) },
1201         { USB_DEVICE(0x1690, 0x0761) },
1202         { USB_DEVICE(0x1690, 0x0764) },
1203         /* ASUS */
1204         { USB_DEVICE(0x0b05, 0x179d) },
1205         /* Cisco */
1206         { USB_DEVICE(0x167b, 0x4001) },
1207         /* EnGenius */
1208         { USB_DEVICE(0x1740, 0x9801) },
1209         /* I-O DATA */
1210         { USB_DEVICE(0x04bb, 0x0944) },
1211         /* Linksys */
1212         { USB_DEVICE(0x13b1, 0x002f) },
1213         { USB_DEVICE(0x1737, 0x0079) },
1214         /* Logitec */
1215         { USB_DEVICE(0x0789, 0x0170) },
1216         /* Ralink */
1217         { USB_DEVICE(0x148f, 0x3572) },
1218         /* Sitecom */
1219         { USB_DEVICE(0x0df6, 0x0041) },
1220         { USB_DEVICE(0x0df6, 0x0062) },
1221         { USB_DEVICE(0x0df6, 0x0065) },
1222         { USB_DEVICE(0x0df6, 0x0066) },
1223         { USB_DEVICE(0x0df6, 0x0068) },
1224         /* Toshiba */
1225         { USB_DEVICE(0x0930, 0x0a07) },
1226         /* Zinwell */
1227         { USB_DEVICE(0x5a57, 0x0284) },
1228 #endif
1229 #ifdef CONFIG_RT2800USB_RT3573
1230         /* AirLive */
1231         { USB_DEVICE(0x1b75, 0x7733) },
1232         /* ASUS */
1233         { USB_DEVICE(0x0b05, 0x17bc) },
1234         { USB_DEVICE(0x0b05, 0x17ad) },
1235         /* Belkin */
1236         { USB_DEVICE(0x050d, 0x1103) },
1237         /* Cameo */
1238         { USB_DEVICE(0x148f, 0xf301) },
1239         /* D-Link */
1240         { USB_DEVICE(0x2001, 0x3c1f) },
1241         /* Edimax */
1242         { USB_DEVICE(0x7392, 0x7733) },
1243         /* Hawking */
1244         { USB_DEVICE(0x0e66, 0x0020) },
1245         { USB_DEVICE(0x0e66, 0x0021) },
1246         /* I-O DATA */
1247         { USB_DEVICE(0x04bb, 0x094e) },
1248         /* Linksys */
1249         { USB_DEVICE(0x13b1, 0x003b) },
1250         /* Logitec */
1251         { USB_DEVICE(0x0789, 0x016b) },
1252         /* NETGEAR */
1253         { USB_DEVICE(0x0846, 0x9012) },
1254         { USB_DEVICE(0x0846, 0x9013) },
1255         { USB_DEVICE(0x0846, 0x9019) },
1256         /* Planex */
1257         { USB_DEVICE(0x2019, 0xed19) },
1258         /* Ralink */
1259         { USB_DEVICE(0x148f, 0x3573) },
1260         /* Sitecom */
1261         { USB_DEVICE(0x0df6, 0x0067) },
1262         { USB_DEVICE(0x0df6, 0x006a) },
1263         { USB_DEVICE(0x0df6, 0x006e) },
1264         /* ZyXEL */
1265         { USB_DEVICE(0x0586, 0x3421) },
1266 #endif
1267 #ifdef CONFIG_RT2800USB_RT53XX
1268         /* Arcadyan */
1269         { USB_DEVICE(0x043e, 0x7a12) },
1270         { USB_DEVICE(0x043e, 0x7a32) },
1271         /* Azurewave */
1272         { USB_DEVICE(0x13d3, 0x3329) },
1273         { USB_DEVICE(0x13d3, 0x3365) },
1274         /* D-Link */
1275         { USB_DEVICE(0x2001, 0x3c15) },
1276         { USB_DEVICE(0x2001, 0x3c19) },
1277         { USB_DEVICE(0x2001, 0x3c1c) },
1278         { USB_DEVICE(0x2001, 0x3c1d) },
1279         { USB_DEVICE(0x2001, 0x3c1e) },
1280         { USB_DEVICE(0x2001, 0x3c20) },
1281         { USB_DEVICE(0x2001, 0x3c22) },
1282         { USB_DEVICE(0x2001, 0x3c23) },
1283         /* LG innotek */
1284         { USB_DEVICE(0x043e, 0x7a22) },
1285         { USB_DEVICE(0x043e, 0x7a42) },
1286         /* Panasonic */
1287         { USB_DEVICE(0x04da, 0x1801) },
1288         { USB_DEVICE(0x04da, 0x1800) },
1289         { USB_DEVICE(0x04da, 0x23f6) },
1290         /* Philips */
1291         { USB_DEVICE(0x0471, 0x2104) },
1292         { USB_DEVICE(0x0471, 0x2126) },
1293         { USB_DEVICE(0x0471, 0x2180) },
1294         { USB_DEVICE(0x0471, 0x2181) },
1295         { USB_DEVICE(0x0471, 0x2182) },
1296         /* Ralink */
1297         { USB_DEVICE(0x148f, 0x5370) },
1298         { USB_DEVICE(0x148f, 0x5372) },
1299 #endif
1300 #ifdef CONFIG_RT2800USB_RT55XX
1301         /* Arcadyan */
1302         { USB_DEVICE(0x043e, 0x7a32) },
1303         /* AVM GmbH */
1304         { USB_DEVICE(0x057c, 0x8501) },
1305         /* Buffalo */
1306         { USB_DEVICE(0x0411, 0x0241) },
1307         /* D-Link */
1308         { USB_DEVICE(0x2001, 0x3c1a) },
1309         { USB_DEVICE(0x2001, 0x3c21) },
1310         /* Proware */
1311         { USB_DEVICE(0x043e, 0x7a13) },
1312         /* Ralink */
1313         { USB_DEVICE(0x148f, 0x5572) },
1314         /* TRENDnet */
1315         { USB_DEVICE(0x20f4, 0x724a) },
1316 #endif
1317 #ifdef CONFIG_RT2800USB_UNKNOWN
1318         /*
1319          * Unclear what kind of devices these are (they aren't supported by the
1320          * vendor linux driver).
1321          */
1322         /* Abocom */
1323         { USB_DEVICE(0x07b8, 0x3073) },
1324         { USB_DEVICE(0x07b8, 0x3074) },
1325         /* Alpha Networks */
1326         { USB_DEVICE(0x14b2, 0x3c08) },
1327         { USB_DEVICE(0x14b2, 0x3c11) },
1328         /* Amigo */
1329         { USB_DEVICE(0x0e0b, 0x9031) },
1330         { USB_DEVICE(0x0e0b, 0x9041) },
1331         /* ASUS */
1332         { USB_DEVICE(0x0b05, 0x166a) },
1333         { USB_DEVICE(0x0b05, 0x1760) },
1334         { USB_DEVICE(0x0b05, 0x1761) },
1335         { USB_DEVICE(0x0b05, 0x1790) },
1336         { USB_DEVICE(0x0b05, 0x17a7) },
1337         /* AzureWave */
1338         { USB_DEVICE(0x13d3, 0x3262) },
1339         { USB_DEVICE(0x13d3, 0x3284) },
1340         { USB_DEVICE(0x13d3, 0x3322) },
1341         { USB_DEVICE(0x13d3, 0x3340) },
1342         { USB_DEVICE(0x13d3, 0x3399) },
1343         { USB_DEVICE(0x13d3, 0x3400) },
1344         { USB_DEVICE(0x13d3, 0x3401) },
1345         /* Belkin */
1346         { USB_DEVICE(0x050d, 0x1003) },
1347         /* Buffalo */
1348         { USB_DEVICE(0x0411, 0x012e) },
1349         { USB_DEVICE(0x0411, 0x0148) },
1350         { USB_DEVICE(0x0411, 0x0150) },
1351         /* Corega */
1352         { USB_DEVICE(0x07aa, 0x0041) },
1353         { USB_DEVICE(0x07aa, 0x0042) },
1354         { USB_DEVICE(0x18c5, 0x0008) },
1355         /* D-Link */
1356         { USB_DEVICE(0x07d1, 0x3c0b) },
1357         /* Encore */
1358         { USB_DEVICE(0x203d, 0x14a1) },
1359         /* EnGenius */
1360         { USB_DEVICE(0x1740, 0x0600) },
1361         { USB_DEVICE(0x1740, 0x0602) },
1362         /* Gemtek */
1363         { USB_DEVICE(0x15a9, 0x0010) },
1364         /* Gigabyte */
1365         { USB_DEVICE(0x1044, 0x800c) },
1366         /* Hercules */
1367         { USB_DEVICE(0x06f8, 0xe036) },
1368         /* Huawei */
1369         { USB_DEVICE(0x148f, 0xf101) },
1370         /* I-O DATA */
1371         { USB_DEVICE(0x04bb, 0x094b) },
1372         /* LevelOne */
1373         { USB_DEVICE(0x1740, 0x0605) },
1374         { USB_DEVICE(0x1740, 0x0615) },
1375         /* Logitec */
1376         { USB_DEVICE(0x0789, 0x0168) },
1377         { USB_DEVICE(0x0789, 0x0169) },
1378         /* Motorola */
1379         { USB_DEVICE(0x100d, 0x9032) },
1380         /* Pegatron */
1381         { USB_DEVICE(0x05a6, 0x0101) },
1382         { USB_DEVICE(0x1d4d, 0x0010) },
1383         /* Planex */
1384         { USB_DEVICE(0x2019, 0xab24) },
1385         { USB_DEVICE(0x2019, 0xab29) },
1386         /* Qcom */
1387         { USB_DEVICE(0x18e8, 0x6259) },
1388         /* RadioShack */
1389         { USB_DEVICE(0x08b9, 0x1197) },
1390         /* Sitecom */
1391         { USB_DEVICE(0x0df6, 0x003c) },
1392         { USB_DEVICE(0x0df6, 0x004a) },
1393         { USB_DEVICE(0x0df6, 0x004d) },
1394         { USB_DEVICE(0x0df6, 0x0053) },
1395         { USB_DEVICE(0x0df6, 0x0069) },
1396         { USB_DEVICE(0x0df6, 0x006f) },
1397         /* SMC */
1398         { USB_DEVICE(0x083a, 0xa512) },
1399         { USB_DEVICE(0x083a, 0xc522) },
1400         { USB_DEVICE(0x083a, 0xd522) },
1401         { USB_DEVICE(0x083a, 0xf511) },
1402         /* Sweex */
1403         { USB_DEVICE(0x177f, 0x0254) },
1404         /* TP-LINK */
1405         { USB_DEVICE(0xf201, 0x5370) },
1406 #endif
1407         { 0, }
1408 };
1409
1410 MODULE_AUTHOR(DRV_PROJECT);
1411 MODULE_VERSION(DRV_VERSION);
1412 MODULE_DESCRIPTION("Ralink RT2800 USB Wireless LAN driver.");
1413 MODULE_SUPPORTED_DEVICE("Ralink RT2870 USB chipset based cards");
1414 MODULE_DEVICE_TABLE(usb, rt2800usb_device_table);
1415 MODULE_FIRMWARE(FIRMWARE_RT2870);
1416 MODULE_LICENSE("GPL");
1417
1418 static int rt2800usb_probe(struct usb_interface *usb_intf,
1419                            const struct usb_device_id *id)
1420 {
1421         return rt2x00usb_probe(usb_intf, &rt2800usb_ops);
1422 }
1423
1424 static struct usb_driver rt2800usb_driver = {
1425         .name           = KBUILD_MODNAME,
1426         .id_table       = rt2800usb_device_table,
1427         .probe          = rt2800usb_probe,
1428         .disconnect     = rt2x00usb_disconnect,
1429         .suspend        = rt2x00usb_suspend,
1430         .resume         = rt2x00usb_resume,
1431         .reset_resume   = rt2x00usb_resume,
1432         .disable_hub_initiated_lpm = 1,
1433 };
1434
1435 module_usb_driver(rt2800usb_driver);