drivers/net/wireless/rt2x00/rt2800usb.c

   1 /*
   2         Copyright (C) 2010 Willow Garage <http://www.willowgarage.com>
   3         Copyright (C) 2009 - 2010 Ivo van Doorn <IvDoorn@gmail.com>
   4         Copyright (C) 2009 Mattias Nissler <mattias.nissler@gmx.de>
   5         Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org>
   6         Copyright (C) 2009 Xose Vazquez Perez <xose.vazquez@gmail.com>
   7         Copyright (C) 2009 Axel Kollhofer <rain_maker@root-forum.org>
   8         <http://rt2x00.serialmonkey.com>
   9
  10         This program is free software; you can redistribute it and/or modify
  11         it under the terms of the GNU General Public License as published by
  12         the Free Software Foundation; either version 2 of the License, or
  13         (at your option) any later version.
  14
  15         This program is distributed in the hope that it will be useful,
  16         but WITHOUT ANY WARRANTY; without even the implied warranty of
  17         MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  18         GNU General Public License for more details.
  19
  20         You should have received a copy of the GNU General Public License
  21         along with this program; if not, write to the
  22         Free Software Foundation, Inc.,
  23         59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  24  */
  25
  26 /*
  27         Module: rt2800usb
  28         Abstract: rt2800usb device specific routines.
  29         Supported chipsets: RT2800U.
  30  */
  31
  32 #include <linux/delay.h>
  33 #include <linux/etherdevice.h>
  34 #include <linux/init.h>
  35 #include <linux/kernel.h>
  36 #include <linux/module.h>
  37 #include <linux/usb.h>
  38
  39 #include "rt2x00.h"
  40 #include "rt2x00usb.h"
  41 #include "rt2800lib.h"
  42 #include "rt2800.h"
  43 #include "rt2800usb.h"
  44
  45 /*
  46  * Allow hardware encryption to be disabled.
  47  */
  48 static bool modparam_nohwcrypt;
  49 module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
  50 MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
  51
  52 static bool rt2800usb_hwcrypt_disabled(struct rt2x00_dev *rt2x00dev)
  53 {
  54         return modparam_nohwcrypt;
  55 }
  56
  57 /*
  58  * Queue handlers.
  59  */
  60 static void rt2800usb_start_queue(struct data_queue *queue)
  61 {
  62         struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
  63         u32 reg;
  64
  65         switch (queue->qid) {
  66         case QID_RX:
  67                 rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
  68                 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 1);
  69                 rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
  70                 break;
  71         case QID_BEACON:
  72                 rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
  73                 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 1);
  74                 rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 1);
  75                 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 1);
  76                 rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg);
  77                 break;
  78         default:
  79                 break;
  80         }
  81 }
  82
  83 static void rt2800usb_stop_queue(struct data_queue *queue)
  84 {
  85         struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
  86         u32 reg;
  87
  88         switch (queue->qid) {
  89         case QID_RX:
  90                 rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
  91                 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
  92                 rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
  93                 break;
  94         case QID_BEACON:
  95                 rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
  96                 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 0);
  97                 rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 0);
  98                 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
  99                 rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg);
 100                 break;
 101         default:
 102                 break;
 103         }
 104 }
 105
 106 /*
 107  * test if there is an entry in any TX queue for which DMA is done
 108  * but the TX status has not been returned yet
 109  */
 110 static bool rt2800usb_txstatus_pending(struct rt2x00_dev *rt2x00dev)
 111 {
 112         struct data_queue *queue;
 113
 114         tx_queue_for_each(rt2x00dev, queue) {
 115                 if (rt2x00queue_get_entry(queue, Q_INDEX_DMA_DONE) !=
 116                     rt2x00queue_get_entry(queue, Q_INDEX_DONE))
 117                         return true;
 118         }
 119         return false;
 120 }
 121
 122 static inline bool rt2800usb_entry_txstatus_timeout(struct queue_entry *entry)
 123 {
 124         bool tout;
 125
 126         if (!test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))
 127                 return false;
 128
 129         tout = time_after(jiffies, entry->last_action + msecs_to_jiffies(100));
 130         if (unlikely(tout))
 131                 rt2x00_warn(entry->queue->rt2x00dev,
 132                             "TX status timeout for entry %d in queue %d\n",
 133                             entry->entry_idx, entry->queue->qid);
 134         return tout;
 135
 136 }
 137
 138 static bool rt2800usb_txstatus_timeout(struct rt2x00_dev *rt2x00dev)
 139 {
 140         struct data_queue *queue;
 141         struct queue_entry *entry;
 142
 143         tx_queue_for_each(rt2x00dev, queue) {
 144                 entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
 145                 if (rt2800usb_entry_txstatus_timeout(entry))
 146                         return true;
 147         }
 148         return false;
 149 }
 150
 151 #define TXSTATUS_READ_INTERVAL 1000000
 152
 153 static bool rt2800usb_tx_sta_fifo_read_completed(struct rt2x00_dev *rt2x00dev,
 154                                                  int urb_status, u32 tx_status)
 155 {
 156         bool valid;
 157
 158         if (urb_status) {
 159                 rt2x00_warn(rt2x00dev, "TX status read failed %d\n",
 160                             urb_status);
 161
 162                 goto stop_reading;
 163         }
 164
 165         valid = rt2x00_get_field32(tx_status, TX_STA_FIFO_VALID);
 166         if (valid) {
 167                 if (!kfifo_put(&rt2x00dev->txstatus_fifo, tx_status))
 168                         rt2x00_warn(rt2x00dev, "TX status FIFO overrun\n");
 169
 170                 queue_work(rt2x00dev->workqueue, &rt2x00dev->txdone_work);
 171
 172                 /* Reschedule urb to read TX status again instantly */
 173                 return true;
 174         }
 175
 176         /* Check if there is any entry that timedout waiting on TX status */
 177         if (rt2800usb_txstatus_timeout(rt2x00dev))
 178                 queue_work(rt2x00dev->workqueue, &rt2x00dev->txdone_work);
 179
 180         if (rt2800usb_txstatus_pending(rt2x00dev)) {
 181                 /* Read register after 1 ms */
 182                 hrtimer_start(&rt2x00dev->txstatus_timer,
 183                               ktime_set(0, TXSTATUS_READ_INTERVAL),
 184                               HRTIMER_MODE_REL);
 185                 return false;
 186         }
 187
 188 stop_reading:
 189         clear_bit(TX_STATUS_READING, &rt2x00dev->flags);
 190         /*
 191          * There is small race window above, between txstatus pending check and
 192          * clear_bit someone could do rt2x00usb_interrupt_txdone, so recheck
 193          * here again if status reading is needed.
 194          */
 195         if (rt2800usb_txstatus_pending(rt2x00dev) &&
 196             !test_and_set_bit(TX_STATUS_READING, &rt2x00dev->flags))
 197                 return true;
 198         else
 199                 return false;
 200 }
 201
 202 static void rt2800usb_async_read_tx_status(struct rt2x00_dev *rt2x00dev)
 203 {
 204
 205         if (test_and_set_bit(TX_STATUS_READING, &rt2x00dev->flags))
 206                 return;
 207
 208         /* Read TX_STA_FIFO register after 2 ms */
 209         hrtimer_start(&rt2x00dev->txstatus_timer,
 210                       ktime_set(0, 2*TXSTATUS_READ_INTERVAL),
 211                       HRTIMER_MODE_REL);
 212 }
 213
 214 static void rt2800usb_tx_dma_done(struct queue_entry *entry)
 215 {
 216         struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
 217
 218         rt2800usb_async_read_tx_status(rt2x00dev);
 219 }
 220
 221 static enum hrtimer_restart rt2800usb_tx_sta_fifo_timeout(struct hrtimer *timer)
 222 {
 223         struct rt2x00_dev *rt2x00dev =
 224             container_of(timer, struct rt2x00_dev, txstatus_timer);
 225
 226         rt2x00usb_register_read_async(rt2x00dev, TX_STA_FIFO,
 227                                       rt2800usb_tx_sta_fifo_read_completed);
 228
 229         return HRTIMER_NORESTART;
 230 }
 231
 232 /*
 233  * Firmware functions
 234  */
 235 static char *rt2800usb_get_firmware_name(struct rt2x00_dev *rt2x00dev)
 236 {
 237         return FIRMWARE_RT2870;
 238 }
 239
 240 static int rt2800usb_write_firmware(struct rt2x00_dev *rt2x00dev,
 241                                     const u8 *data, const size_t len)
 242 {
 243         int status;
 244         u32 offset;
 245         u32 length;
 246
 247         /*
 248          * Check which section of the firmware we need.
 249          */
 250         if (rt2x00_rt(rt2x00dev, RT2860) ||
 251             rt2x00_rt(rt2x00dev, RT2872) ||
 252             rt2x00_rt(rt2x00dev, RT3070)) {
 253                 offset = 0;
 254                 length = 4096;
 255         } else {
 256                 offset = 4096;
 257                 length = 4096;
 258         }
 259
 260         /*
 261          * Write firmware to device.
 262          */
 263         rt2x00usb_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE,
 264                                       data + offset, length);
 265
 266         rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0);
 267         rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0);
 268
 269         /*
 270          * Send firmware request to device to load firmware,
 271          * we need to specify a long timeout time.
 272          */
 273         status = rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE,
 274                                              0, USB_MODE_FIRMWARE,
 275                                              REGISTER_TIMEOUT_FIRMWARE);
 276         if (status < 0) {
 277                 rt2x00_err(rt2x00dev, "Failed to write Firmware to device\n");
 278                 return status;
 279         }
 280
 281         msleep(10);
 282         rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
 283
 284         return 0;
 285 }
 286
 287 /*
 288  * Device state switch handlers.
 289  */
 290 static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
 291 {
 292         u32 reg;
 293
 294         /*
 295          * Wait until BBP and RF are ready.
 296          */
 297         if (rt2800_wait_csr_ready(rt2x00dev))
 298                 return -EBUSY;
 299
 300         rt2x00usb_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
 301         rt2x00usb_register_write(rt2x00dev, PBF_SYS_CTRL, reg & ~0x00002000);
 302
 303         reg = 0;
 304         rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_CSR, 1);
 305         rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_BBP, 1);
 306         rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
 307
 308         rt2x00usb_register_write(rt2x00dev, USB_DMA_CFG, 0x00000000);
 309
 310         rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0,
 311                                     USB_MODE_RESET, REGISTER_TIMEOUT);
 312
 313         rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
 314
 315         return 0;
 316 }
 317
 318 static int rt2800usb_enable_radio(struct rt2x00_dev *rt2x00dev)
 319 {
 320         u32 reg;
 321
 322         if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev)))
 323                 return -EIO;
 324
 325         rt2x00usb_register_read(rt2x00dev, USB_DMA_CFG, &reg);
 326         rt2x00_set_field32(&reg, USB_DMA_CFG_PHY_CLEAR, 0);
 327         rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_EN, 0);
 328         rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_TIMEOUT, 128);
 329         /*
 330          * Total room for RX frames in kilobytes, PBF might still exceed
 331          * this limit so reduce the number to prevent errors.
 332          */
 333         rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_LIMIT,
 334                            ((rt2x00dev->rx->limit * DATA_FRAME_SIZE)
 335                             / 1024) - 3);
 336         rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_EN, 1);
 337         rt2x00_set_field32(&reg, USB_DMA_CFG_TX_BULK_EN, 1);
 338         rt2x00usb_register_write(rt2x00dev, USB_DMA_CFG, reg);
 339
 340         return rt2800_enable_radio(rt2x00dev);
 341 }
 342
 343 static void rt2800usb_disable_radio(struct rt2x00_dev *rt2x00dev)
 344 {
 345         rt2800_disable_radio(rt2x00dev);
 346         rt2x00usb_disable_radio(rt2x00dev);
 347 }
 348
 349 static int rt2800usb_set_state(struct rt2x00_dev *rt2x00dev,
 350                                enum dev_state state)
 351 {
 352         if (state == STATE_AWAKE)
 353                 rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, 0xff, 0, 2);
 354         else
 355                 rt2800_mcu_request(rt2x00dev, MCU_SLEEP, 0xff, 0xff, 2);
 356
 357         return 0;
 358 }
 359
 360 static int rt2800usb_set_device_state(struct rt2x00_dev *rt2x00dev,
 361                                       enum dev_state state)
 362 {
 363         int retval = 0;
 364
 365         switch (state) {
 366         case STATE_RADIO_ON:
 367                 /*
 368                  * Before the radio can be enabled, the device first has
 369                  * to be woken up. After that it needs a bit of time
 370                  * to be fully awake and then the radio can be enabled.
 371                  */
 372                 rt2800usb_set_state(rt2x00dev, STATE_AWAKE);
 373                 msleep(1);
 374                 retval = rt2800usb_enable_radio(rt2x00dev);
 375                 break;
 376         case STATE_RADIO_OFF:
 377                 /*
 378                  * After the radio has been disabled, the device should
 379                  * be put to sleep for powersaving.
 380                  */
 381                 rt2800usb_disable_radio(rt2x00dev);
 382                 rt2800usb_set_state(rt2x00dev, STATE_SLEEP);
 383                 break;
 384         case STATE_RADIO_IRQ_ON:
 385         case STATE_RADIO_IRQ_OFF:
 386                 /* No support, but no error either */
 387                 break;
 388         case STATE_DEEP_SLEEP:
 389         case STATE_SLEEP:
 390         case STATE_STANDBY:
 391         case STATE_AWAKE:
 392                 retval = rt2800usb_set_state(rt2x00dev, state);
 393                 break;
 394         default:
 395                 retval = -ENOTSUPP;
 396                 break;
 397         }
 398
 399         if (unlikely(retval))
 400                 rt2x00_err(rt2x00dev, "Device failed to enter state %d (%d)\n",
 401                            state, retval);
 402
 403         return retval;
 404 }
 405
 406 /*
 407  * Watchdog handlers
 408  */
 409 static void rt2800usb_watchdog(struct rt2x00_dev *rt2x00dev)
 410 {
 411         unsigned int i;
 412         u32 reg;
 413
 414         rt2x00usb_register_read(rt2x00dev, TXRXQ_PCNT, &reg);
 415         if (rt2x00_get_field32(reg, TXRXQ_PCNT_TX0Q)) {
 416                 rt2x00_warn(rt2x00dev, "TX HW queue 0 timed out, invoke forced kick\n");
 417
 418                 rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40012);
 419
 420                 for (i = 0; i < 10; i++) {
 421                         udelay(10);
 422                         if (!rt2x00_get_field32(reg, TXRXQ_PCNT_TX0Q))
 423                                 break;
 424                 }
 425
 426                 rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40006);
 427         }
 428
 429         rt2x00usb_register_read(rt2x00dev, TXRXQ_PCNT, &reg);
 430         if (rt2x00_get_field32(reg, TXRXQ_PCNT_TX1Q)) {
 431                 rt2x00_warn(rt2x00dev, "TX HW queue 1 timed out, invoke forced kick\n");
 432
 433                 rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf4000a);
 434
 435                 for (i = 0; i < 10; i++) {
 436                         udelay(10);
 437                         if (!rt2x00_get_field32(reg, TXRXQ_PCNT_TX1Q))
 438                                 break;
 439                 }
 440
 441                 rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40006);
 442         }
 443
 444         rt2x00usb_watchdog(rt2x00dev);
 445 }
 446
 447 /*
 448  * TX descriptor initialization
 449  */
 450 static __le32 *rt2800usb_get_txwi(struct queue_entry *entry)
 451 {
 452         if (entry->queue->qid == QID_BEACON)
 453                 return (__le32 *) (entry->skb->data);
 454         else
 455                 return (__le32 *) (entry->skb->data + TXINFO_DESC_SIZE);
 456 }
 457
 458 static void rt2800usb_write_tx_desc(struct queue_entry *entry,
 459                                     struct txentry_desc *txdesc)
 460 {
 461         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
 462         __le32 *txi = (__le32 *) entry->skb->data;
 463         u32 word;
 464
 465         /*
 466          * Initialize TXINFO descriptor
 467          */
 468         rt2x00_desc_read(txi, 0, &word);
 469
 470         /*
 471          * The size of TXINFO_W0_USB_DMA_TX_PKT_LEN is
 472          * TXWI + 802.11 header + L2 pad + payload + pad,
 473          * so need to decrease size of TXINFO.
 474          */
 475         rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_PKT_LEN,
 476                            roundup(entry->skb->len, 4) - TXINFO_DESC_SIZE);
 477         rt2x00_set_field32(&word, TXINFO_W0_WIV,
 478                            !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags));
 479         rt2x00_set_field32(&word, TXINFO_W0_QSEL, 2);
 480         rt2x00_set_field32(&word, TXINFO_W0_SW_USE_LAST_ROUND, 0);
 481         rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_NEXT_VALID, 0);
 482         rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_BURST,
 483                            test_bit(ENTRY_TXD_BURST, &txdesc->flags));
 484         rt2x00_desc_write(txi, 0, word);
 485
 486         /*
 487          * Register descriptor details in skb frame descriptor.
 488          */
 489         skbdesc->flags |= SKBDESC_DESC_IN_SKB;
 490         skbdesc->desc = txi;
 491         skbdesc->desc_len = TXINFO_DESC_SIZE + entry->queue->winfo_size;
 492 }
 493
 494 /*
 495  * TX data initialization
 496  */
 497 static int rt2800usb_get_tx_data_len(struct queue_entry *entry)
 498 {
 499         /*
 500          * pad(1~3 bytes) is needed after each 802.11 payload.
 501          * USB end pad(4 bytes) is needed at each USB bulk out packet end.
 502          * TX frame format is :
 503          * | TXINFO | TXWI | 802.11 header | L2 pad | payload | pad | USB end pad |
 504          *                 |<------------- tx_pkt_len ------------->|
 505          */
 506
 507         return roundup(entry->skb->len, 4) + 4;
 508 }
 509
 510 /*
 511  * TX control handlers
 512  */
 513 static enum txdone_entry_desc_flags
 514 rt2800usb_txdone_entry_check(struct queue_entry *entry, u32 reg)
 515 {
 516         __le32 *txwi;
 517         u32 word;
 518         int wcid, ack, pid;
 519         int tx_wcid, tx_ack, tx_pid, is_agg;
 520
 521         /*
 522          * This frames has returned with an IO error,
 523          * so the status report is not intended for this
 524          * frame.
 525          */
 526         if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags))
 527                 return TXDONE_FAILURE;
 528
 529         wcid    = rt2x00_get_field32(reg, TX_STA_FIFO_WCID);
 530         ack     = rt2x00_get_field32(reg, TX_STA_FIFO_TX_ACK_REQUIRED);
 531         pid     = rt2x00_get_field32(reg, TX_STA_FIFO_PID_TYPE);
 532         is_agg  = rt2x00_get_field32(reg, TX_STA_FIFO_TX_AGGRE);
 533
 534         /*
 535          * Validate if this TX status report is intended for
 536          * this entry by comparing the WCID/ACK/PID fields.
 537          */
 538         txwi = rt2800usb_get_txwi(entry);
 539
 540         rt2x00_desc_read(txwi, 1, &word);
 541         tx_wcid = rt2x00_get_field32(word, TXWI_W1_WIRELESS_CLI_ID);
 542         tx_ack  = rt2x00_get_field32(word, TXWI_W1_ACK);
 543         tx_pid  = rt2x00_get_field32(word, TXWI_W1_PACKETID);
 544
 545         if (wcid != tx_wcid || ack != tx_ack || (!is_agg && pid != tx_pid)) {
 546                 rt2x00_dbg(entry->queue->rt2x00dev,
 547                            "TX status report missed for queue %d entry %d\n",
 548                            entry->queue->qid, entry->entry_idx);
 549                 return TXDONE_UNKNOWN;
 550         }
 551
 552         return TXDONE_SUCCESS;
 553 }
 554
 555 static void rt2800usb_txdone(struct rt2x00_dev *rt2x00dev)
 556 {
 557         struct data_queue *queue;
 558         struct queue_entry *entry;
 559         u32 reg;
 560         u8 qid;
 561         enum txdone_entry_desc_flags done_status;
 562
 563         while (kfifo_get(&rt2x00dev->txstatus_fifo, &reg)) {
 564                 /*
 565                  * TX_STA_FIFO_PID_QUEUE is a 2-bit field, thus qid is
 566                  * guaranteed to be one of the TX QIDs .
 567                  */
 568                 qid = rt2x00_get_field32(reg, TX_STA_FIFO_PID_QUEUE);
 569                 queue = rt2x00queue_get_tx_queue(rt2x00dev, qid);
 570
 571                 if (unlikely(rt2x00queue_empty(queue))) {
 572                         rt2x00_warn(rt2x00dev, "Got TX status for an empty queue %u, dropping\n",
 573                                     qid);
 574                         break;
 575                 }
 576
 577                 entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
 578
 579                 if (unlikely(test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags) ||
 580                              !test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))) {
 581                         rt2x00_warn(rt2x00dev, "Data pending for entry %u in queue %u\n",
 582                                     entry->entry_idx, qid);
 583                         break;
 584                 }
 585
 586                 done_status = rt2800usb_txdone_entry_check(entry, reg);
 587                 if (likely(done_status == TXDONE_SUCCESS))
 588                         rt2800_txdone_entry(entry, reg, rt2800usb_get_txwi(entry));
 589                 else
 590                         rt2x00lib_txdone_noinfo(entry, done_status);
 591         }
 592 }
 593
 594 static void rt2800usb_txdone_nostatus(struct rt2x00_dev *rt2x00dev)
 595 {
 596         struct data_queue *queue;
 597         struct queue_entry *entry;
 598
 599         /*
 600          * Process any trailing TX status reports for IO failures,
 601          * we loop until we find the first non-IO error entry. This
 602          * can either be a frame which is free, is being uploaded,
 603          * or has completed the upload but didn't have an entry
 604          * in the TX_STAT_FIFO register yet.
 605          */
 606         tx_queue_for_each(rt2x00dev, queue) {
 607                 while (!rt2x00queue_empty(queue)) {
 608                         entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
 609
 610                         if (test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags) ||
 611                             !test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))
 612                                 break;
 613
 614                         if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags))
 615                                 rt2x00lib_txdone_noinfo(entry, TXDONE_FAILURE);
 616                         else if (rt2800usb_entry_txstatus_timeout(entry))
 617                                 rt2x00lib_txdone_noinfo(entry, TXDONE_UNKNOWN);
 618                         else
 619                                 break;
 620                 }
 621         }
 622 }
 623
 624 static void rt2800usb_work_txdone(struct work_struct *work)
 625 {
 626         struct rt2x00_dev *rt2x00dev =
 627             container_of(work, struct rt2x00_dev, txdone_work);
 628
 629         while (!kfifo_is_empty(&rt2x00dev->txstatus_fifo) ||
 630                rt2800usb_txstatus_timeout(rt2x00dev)) {
 631
 632                 rt2800usb_txdone(rt2x00dev);
 633
 634                 rt2800usb_txdone_nostatus(rt2x00dev);
 635
 636                 /*
 637                  * The hw may delay sending the packet after DMA complete
 638                  * if the medium is busy, thus the TX_STA_FIFO entry is
 639                  * also delayed -> use a timer to retrieve it.
 640                  */
 641                 if (rt2800usb_txstatus_pending(rt2x00dev))
 642                         rt2800usb_async_read_tx_status(rt2x00dev);
 643         }
 644 }
 645
 646 /*
 647  * RX control handlers
 648  */
 649 static void rt2800usb_fill_rxdone(struct queue_entry *entry,
 650                                   struct rxdone_entry_desc *rxdesc)
 651 {
 652         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
 653         __le32 *rxi = (__le32 *)entry->skb->data;
 654         __le32 *rxd;
 655         u32 word;
 656         int rx_pkt_len;
 657
 658         /*
 659          * Copy descriptor to the skbdesc->desc buffer, making it safe from
 660          * moving of frame data in rt2x00usb.
 661          */
 662         memcpy(skbdesc->desc, rxi, skbdesc->desc_len);
 663
 664         /*
 665          * RX frame format is :
 666          * | RXINFO | RXWI | header | L2 pad | payload | pad | RXD | USB pad |
 667          *          |<------------ rx_pkt_len -------------->|
 668          */
 669         rt2x00_desc_read(rxi, 0, &word);
 670         rx_pkt_len = rt2x00_get_field32(word, RXINFO_W0_USB_DMA_RX_PKT_LEN);
 671
 672         /*
 673          * Remove the RXINFO structure from the sbk.
 674          */
 675         skb_pull(entry->skb, RXINFO_DESC_SIZE);
 676
 677         /*
 678          * Check for rx_pkt_len validity. Return if invalid, leaving
 679          * rxdesc->size zeroed out by the upper level.
 680          */
 681         if (unlikely(rx_pkt_len == 0 ||
 682                         rx_pkt_len > entry->queue->data_size)) {
 683                 rt2x00_err(entry->queue->rt2x00dev,
 684                            "Bad frame size %d, forcing to 0\n", rx_pkt_len);
 685                 return;
 686         }
 687
 688         rxd = (__le32 *)(entry->skb->data + rx_pkt_len);
 689
 690         /*
 691          * It is now safe to read the descriptor on all architectures.
 692          */
 693         rt2x00_desc_read(rxd, 0, &word);
 694
 695         if (rt2x00_get_field32(word, RXD_W0_CRC_ERROR))
 696                 rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
 697
 698         rxdesc->cipher_status = rt2x00_get_field32(word, RXD_W0_CIPHER_ERROR);
 699
 700         if (rt2x00_get_field32(word, RXD_W0_DECRYPTED)) {
 701                 /*
 702                  * Hardware has stripped IV/EIV data from 802.11 frame during
 703                  * decryption. Unfortunately the descriptor doesn't contain
 704                  * any fields with the EIV/IV data either, so they can't
 705                  * be restored by rt2x00lib.
 706                  */
 707                 rxdesc->flags |= RX_FLAG_IV_STRIPPED;
 708
 709                 /*
 710                  * The hardware has already checked the Michael Mic and has
 711                  * stripped it from the frame. Signal this to mac80211.
 712                  */
 713                 rxdesc->flags |= RX_FLAG_MMIC_STRIPPED;
 714
 715                 if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS)
 716                         rxdesc->flags |= RX_FLAG_DECRYPTED;
 717                 else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC)
 718                         rxdesc->flags |= RX_FLAG_MMIC_ERROR;
 719         }
 720
 721         if (rt2x00_get_field32(word, RXD_W0_MY_BSS))
 722                 rxdesc->dev_flags |= RXDONE_MY_BSS;
 723
 724         if (rt2x00_get_field32(word, RXD_W0_L2PAD))
 725                 rxdesc->dev_flags |= RXDONE_L2PAD;
 726
 727         /*
 728          * Remove RXD descriptor from end of buffer.
 729          */
 730         skb_trim(entry->skb, rx_pkt_len);
 731
 732         /*
 733          * Process the RXWI structure.
 734          */
 735         rt2800_process_rxwi(entry, rxdesc);
 736 }
 737
 738 /*
 739  * Device probe functions.
 740  */
 741 static int rt2800usb_read_eeprom(struct rt2x00_dev *rt2x00dev)
 742 {
 743         int retval;
 744
 745         if (rt2800_efuse_detect(rt2x00dev))
 746                 retval = rt2800_read_eeprom_efuse(rt2x00dev);
 747         else
 748                 retval = rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom,
 749                                                EEPROM_SIZE);
 750
 751         return retval;
 752 }
 753
 754 static int rt2800usb_probe_hw(struct rt2x00_dev *rt2x00dev)
 755 {
 756         int retval;
 757
 758         retval = rt2800_probe_hw(rt2x00dev);
 759         if (retval)
 760                 return retval;
 761
 762         /*
 763          * Set txstatus timer function.
 764          */
 765         rt2x00dev->txstatus_timer.function = rt2800usb_tx_sta_fifo_timeout;
 766
 767         /*
 768          * Overwrite TX done handler
 769          */
 770         PREPARE_WORK(&rt2x00dev->txdone_work, rt2800usb_work_txdone);
 771
 772         return 0;
 773 }
 774
 775 static const struct ieee80211_ops rt2800usb_mac80211_ops = {
 776         .tx                     = rt2x00mac_tx,
 777         .start                  = rt2x00mac_start,
 778         .stop                   = rt2x00mac_stop,
 779         .add_interface          = rt2x00mac_add_interface,
 780         .remove_interface       = rt2x00mac_remove_interface,
 781         .config                 = rt2x00mac_config,
 782         .configure_filter       = rt2x00mac_configure_filter,
 783         .set_tim                = rt2x00mac_set_tim,
 784         .set_key                = rt2x00mac_set_key,
 785         .sw_scan_start          = rt2x00mac_sw_scan_start,
 786         .sw_scan_complete       = rt2x00mac_sw_scan_complete,
 787         .get_stats              = rt2x00mac_get_stats,
 788         .get_tkip_seq           = rt2800_get_tkip_seq,
 789         .set_rts_threshold      = rt2800_set_rts_threshold,
 790         .sta_add                = rt2x00mac_sta_add,
 791         .sta_remove             = rt2x00mac_sta_remove,
 792         .bss_info_changed       = rt2x00mac_bss_info_changed,
 793         .conf_tx                = rt2800_conf_tx,
 794         .get_tsf                = rt2800_get_tsf,
 795         .rfkill_poll            = rt2x00mac_rfkill_poll,
 796         .ampdu_action           = rt2800_ampdu_action,
 797         .flush                  = rt2x00mac_flush,
 798         .get_survey             = rt2800_get_survey,
 799         .get_ringparam          = rt2x00mac_get_ringparam,
 800         .tx_frames_pending      = rt2x00mac_tx_frames_pending,
 801 };
 802
 803 static const struct rt2800_ops rt2800usb_rt2800_ops = {
 804         .register_read          = rt2x00usb_register_read,
 805         .register_read_lock     = rt2x00usb_register_read_lock,
 806         .register_write         = rt2x00usb_register_write,
 807         .register_write_lock    = rt2x00usb_register_write_lock,
 808         .register_multiread     = rt2x00usb_register_multiread,
 809         .register_multiwrite    = rt2x00usb_register_multiwrite,
 810         .regbusy_read           = rt2x00usb_regbusy_read,
 811         .read_eeprom            = rt2800usb_read_eeprom,
 812         .hwcrypt_disabled       = rt2800usb_hwcrypt_disabled,
 813         .drv_write_firmware     = rt2800usb_write_firmware,
 814         .drv_init_registers     = rt2800usb_init_registers,
 815         .drv_get_txwi           = rt2800usb_get_txwi,
 816 };
 817
 818 static const struct rt2x00lib_ops rt2800usb_rt2x00_ops = {
 819         .probe_hw               = rt2800usb_probe_hw,
 820         .get_firmware_name      = rt2800usb_get_firmware_name,
 821         .check_firmware         = rt2800_check_firmware,
 822         .load_firmware          = rt2800_load_firmware,
 823         .initialize             = rt2x00usb_initialize,
 824         .uninitialize           = rt2x00usb_uninitialize,
 825         .clear_entry            = rt2x00usb_clear_entry,
 826         .set_device_state       = rt2800usb_set_device_state,
 827         .rfkill_poll            = rt2800_rfkill_poll,
 828         .link_stats             = rt2800_link_stats,
 829         .reset_tuner            = rt2800_reset_tuner,
 830         .link_tuner             = rt2800_link_tuner,
 831         .gain_calibration       = rt2800_gain_calibration,
 832         .vco_calibration        = rt2800_vco_calibration,
 833         .watchdog               = rt2800usb_watchdog,
 834         .start_queue            = rt2800usb_start_queue,
 835         .kick_queue             = rt2x00usb_kick_queue,
 836         .stop_queue             = rt2800usb_stop_queue,
 837         .flush_queue            = rt2x00usb_flush_queue,
 838         .tx_dma_done            = rt2800usb_tx_dma_done,
 839         .write_tx_desc          = rt2800usb_write_tx_desc,
 840         .write_tx_data          = rt2800_write_tx_data,
 841         .write_beacon           = rt2800_write_beacon,
 842         .clear_beacon           = rt2800_clear_beacon,
 843         .get_tx_data_len        = rt2800usb_get_tx_data_len,
 844         .fill_rxdone            = rt2800usb_fill_rxdone,
 845         .config_shared_key      = rt2800_config_shared_key,
 846         .config_pairwise_key    = rt2800_config_pairwise_key,
 847         .config_filter          = rt2800_config_filter,
 848         .config_intf            = rt2800_config_intf,
 849         .config_erp             = rt2800_config_erp,
 850         .config_ant             = rt2800_config_ant,
 851         .config                 = rt2800_config,
 852         .sta_add                = rt2800_sta_add,
 853         .sta_remove             = rt2800_sta_remove,
 854 };
 855
 856 static void rt2800usb_queue_init(struct data_queue *queue)
 857 {
 858         struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
 859         unsigned short txwi_size, rxwi_size;
 860
 861         rt2800_get_txwi_rxwi_size(rt2x00dev, &txwi_size, &rxwi_size);
 862
 863         switch (queue->qid) {
 864         case QID_RX:
 865                 queue->limit = 128;
 866                 queue->data_size = AGGREGATION_SIZE;
 867                 queue->desc_size = RXINFO_DESC_SIZE;
 868                 queue->winfo_size = rxwi_size;
 869                 queue->priv_size = sizeof(struct queue_entry_priv_usb);
 870                 break;
 871
 872         case QID_AC_VO:
 873         case QID_AC_VI:
 874         case QID_AC_BE:
 875         case QID_AC_BK:
 876                 queue->limit = 16;
 877                 queue->data_size = AGGREGATION_SIZE;
 878                 queue->desc_size = TXINFO_DESC_SIZE;
 879                 queue->winfo_size = txwi_size;
 880                 queue->priv_size = sizeof(struct queue_entry_priv_usb);
 881                 break;
 882
 883         case QID_BEACON:
 884                 queue->limit = 8;
 885                 queue->data_size = MGMT_FRAME_SIZE;
 886                 queue->desc_size = TXINFO_DESC_SIZE;
 887                 queue->winfo_size = txwi_size;
 888                 queue->priv_size = sizeof(struct queue_entry_priv_usb);
 889                 break;
 890
 891         case QID_ATIM:
 892                 /* fallthrough */
 893         default:
 894                 BUG();
 895                 break;
 896         }
 897 }
 898
 899 static const struct rt2x00_ops rt2800usb_ops = {
 900         .name                   = KBUILD_MODNAME,
 901         .drv_data_size          = sizeof(struct rt2800_drv_data),
 902         .max_ap_intf            = 8,
 903         .eeprom_size            = EEPROM_SIZE,
 904         .rf_size                = RF_SIZE,
 905         .tx_queues              = NUM_TX_QUEUES,
 906         .queue_init             = rt2800usb_queue_init,
 907         .lib                    = &rt2800usb_rt2x00_ops,
 908         .drv                    = &rt2800usb_rt2800_ops,
 909         .hw                     = &rt2800usb_mac80211_ops,
 910 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
 911         .debugfs                = &rt2800_rt2x00debug,
 912 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
 913 };
 914
 915 /*
 916  * rt2800usb module information.
 917  */
 918 static struct usb_device_id rt2800usb_device_table[] = {
 919         /* Abocom */
 920         { USB_DEVICE(0x07b8, 0x2870) },
 921         { USB_DEVICE(0x07b8, 0x2770) },
 922         { USB_DEVICE(0x07b8, 0x3070) },
 923         { USB_DEVICE(0x07b8, 0x3071) },
 924         { USB_DEVICE(0x07b8, 0x3072) },
 925         { USB_DEVICE(0x1482, 0x3c09) },
 926         /* AirTies */
 927         { USB_DEVICE(0x1eda, 0x2012) },
 928         { USB_DEVICE(0x1eda, 0x2210) },
 929         { USB_DEVICE(0x1eda, 0x2310) },
 930         /* Allwin */
 931         { USB_DEVICE(0x8516, 0x2070) },
 932         { USB_DEVICE(0x8516, 0x2770) },
 933         { USB_DEVICE(0x8516, 0x2870) },
 934         { USB_DEVICE(0x8516, 0x3070) },
 935         { USB_DEVICE(0x8516, 0x3071) },
 936         { USB_DEVICE(0x8516, 0x3072) },
 937         /* Alpha Networks */
 938         { USB_DEVICE(0x14b2, 0x3c06) },
 939         { USB_DEVICE(0x14b2, 0x3c07) },
 940         { USB_DEVICE(0x14b2, 0x3c09) },
 941         { USB_DEVICE(0x14b2, 0x3c12) },
 942         { USB_DEVICE(0x14b2, 0x3c23) },
 943         { USB_DEVICE(0x14b2, 0x3c25) },
 944         { USB_DEVICE(0x14b2, 0x3c27) },
 945         { USB_DEVICE(0x14b2, 0x3c28) },
 946         { USB_DEVICE(0x14b2, 0x3c2c) },
 947         /* Amit */
 948         { USB_DEVICE(0x15c5, 0x0008) },
 949         /* Askey */
 950         { USB_DEVICE(0x1690, 0x0740) },
 951         /* ASUS */
 952         { USB_DEVICE(0x0b05, 0x1731) },
 953         { USB_DEVICE(0x0b05, 0x1732) },
 954         { USB_DEVICE(0x0b05, 0x1742) },
 955         { USB_DEVICE(0x0b05, 0x1784) },
 956         { USB_DEVICE(0x1761, 0x0b05) },
 957         /* AzureWave */
 958         { USB_DEVICE(0x13d3, 0x3247) },
 959         { USB_DEVICE(0x13d3, 0x3273) },
 960         { USB_DEVICE(0x13d3, 0x3305) },
 961         { USB_DEVICE(0x13d3, 0x3307) },
 962         { USB_DEVICE(0x13d3, 0x3321) },
 963         /* Belkin */
 964         { USB_DEVICE(0x050d, 0x8053) },
 965         { USB_DEVICE(0x050d, 0x805c) },
 966         { USB_DEVICE(0x050d, 0x815c) },
 967         { USB_DEVICE(0x050d, 0x825a) },
 968         { USB_DEVICE(0x050d, 0x825b) },
 969         { USB_DEVICE(0x050d, 0x935a) },
 970         { USB_DEVICE(0x050d, 0x935b) },
 971         /* Buffalo */
 972         { USB_DEVICE(0x0411, 0x00e8) },
 973         { USB_DEVICE(0x0411, 0x0158) },
 974         { USB_DEVICE(0x0411, 0x015d) },
 975         { USB_DEVICE(0x0411, 0x016f) },
 976         { USB_DEVICE(0x0411, 0x01a2) },
 977         { USB_DEVICE(0x0411, 0x01ee) },
 978         { USB_DEVICE(0x0411, 0x01a8) },
 979         /* Corega */
 980         { USB_DEVICE(0x07aa, 0x002f) },
 981         { USB_DEVICE(0x07aa, 0x003c) },
 982         { USB_DEVICE(0x07aa, 0x003f) },
 983         { USB_DEVICE(0x18c5, 0x0012) },
 984         /* D-Link */
 985         { USB_DEVICE(0x07d1, 0x3c09) },
 986         { USB_DEVICE(0x07d1, 0x3c0a) },
 987         { USB_DEVICE(0x07d1, 0x3c0d) },
 988         { USB_DEVICE(0x07d1, 0x3c0e) },
 989         { USB_DEVICE(0x07d1, 0x3c0f) },
 990         { USB_DEVICE(0x07d1, 0x3c11) },
 991         { USB_DEVICE(0x07d1, 0x3c13) },
 992         { USB_DEVICE(0x07d1, 0x3c15) },
 993         { USB_DEVICE(0x07d1, 0x3c16) },
 994         { USB_DEVICE(0x07d1, 0x3c17) },
 995         { USB_DEVICE(0x2001, 0x3c1b) },
 996         /* Draytek */
 997         { USB_DEVICE(0x07fa, 0x7712) },
 998         /* DVICO */
 999         { USB_DEVICE(0x0fe9, 0xb307) },
1000         /* Edimax */
1001         { USB_DEVICE(0x7392, 0x4085) },
1002         { USB_DEVICE(0x7392, 0x7711) },
1003         { USB_DEVICE(0x7392, 0x7717) },
1004         { USB_DEVICE(0x7392, 0x7718) },
1005         { USB_DEVICE(0x7392, 0x7722) },
1006         /* Encore */
1007         { USB_DEVICE(0x203d, 0x1480) },
1008         { USB_DEVICE(0x203d, 0x14a9) },
1009         /* EnGenius */
1010         { USB_DEVICE(0x1740, 0x9701) },
1011         { USB_DEVICE(0x1740, 0x9702) },
1012         { USB_DEVICE(0x1740, 0x9703) },
1013         { USB_DEVICE(0x1740, 0x9705) },
1014         { USB_DEVICE(0x1740, 0x9706) },
1015         { USB_DEVICE(0x1740, 0x9707) },
1016         { USB_DEVICE(0x1740, 0x9708) },
1017         { USB_DEVICE(0x1740, 0x9709) },
1018         /* Gemtek */
1019         { USB_DEVICE(0x15a9, 0x0012) },
1020         /* Gigabyte */
1021         { USB_DEVICE(0x1044, 0x800b) },
1022         { USB_DEVICE(0x1044, 0x800d) },
1023         /* Hawking */
1024         { USB_DEVICE(0x0e66, 0x0001) },
1025         { USB_DEVICE(0x0e66, 0x0003) },
1026         { USB_DEVICE(0x0e66, 0x0009) },
1027         { USB_DEVICE(0x0e66, 0x000b) },
1028         { USB_DEVICE(0x0e66, 0x0013) },
1029         { USB_DEVICE(0x0e66, 0x0017) },
1030         { USB_DEVICE(0x0e66, 0x0018) },
1031         /* I-O DATA */
1032         { USB_DEVICE(0x04bb, 0x0945) },
1033         { USB_DEVICE(0x04bb, 0x0947) },
1034         { USB_DEVICE(0x04bb, 0x0948) },
1035         /* Linksys */
1036         { USB_DEVICE(0x13b1, 0x0031) },
1037         { USB_DEVICE(0x1737, 0x0070) },
1038         { USB_DEVICE(0x1737, 0x0071) },
1039         { USB_DEVICE(0x1737, 0x0077) },
1040         { USB_DEVICE(0x1737, 0x0078) },
1041         /* Logitec */
1042         { USB_DEVICE(0x0789, 0x0162) },
1043         { USB_DEVICE(0x0789, 0x0163) },
1044         { USB_DEVICE(0x0789, 0x0164) },
1045         { USB_DEVICE(0x0789, 0x0166) },
1046         /* Motorola */
1047         { USB_DEVICE(0x100d, 0x9031) },
1048         /* MSI */
1049         { USB_DEVICE(0x0db0, 0x3820) },
1050         { USB_DEVICE(0x0db0, 0x3821) },
1051         { USB_DEVICE(0x0db0, 0x3822) },
1052         { USB_DEVICE(0x0db0, 0x3870) },
1053         { USB_DEVICE(0x0db0, 0x3871) },
1054         { USB_DEVICE(0x0db0, 0x6899) },
1055         { USB_DEVICE(0x0db0, 0x821a) },
1056         { USB_DEVICE(0x0db0, 0x822a) },
1057         { USB_DEVICE(0x0db0, 0x822b) },
1058         { USB_DEVICE(0x0db0, 0x822c) },
1059         { USB_DEVICE(0x0db0, 0x870a) },
1060         { USB_DEVICE(0x0db0, 0x871a) },
1061         { USB_DEVICE(0x0db0, 0x871b) },
1062         { USB_DEVICE(0x0db0, 0x871c) },
1063         { USB_DEVICE(0x0db0, 0x899a) },
1064         /* Ovislink */
1065         { USB_DEVICE(0x1b75, 0x3071) },
1066         { USB_DEVICE(0x1b75, 0x3072) },
1067         /* Para */
1068         { USB_DEVICE(0x20b8, 0x8888) },
1069         /* Pegatron */
1070         { USB_DEVICE(0x1d4d, 0x0002) },
1071         { USB_DEVICE(0x1d4d, 0x000c) },
1072         { USB_DEVICE(0x1d4d, 0x000e) },
1073         { USB_DEVICE(0x1d4d, 0x0011) },
1074         /* Philips */
1075         { USB_DEVICE(0x0471, 0x200f) },
1076         /* Planex */
1077         { USB_DEVICE(0x2019, 0x5201) },
1078         { USB_DEVICE(0x2019, 0xab25) },
1079         { USB_DEVICE(0x2019, 0xed06) },
1080         /* Quanta */
1081         { USB_DEVICE(0x1a32, 0x0304) },
1082         /* Ralink */
1083         { USB_DEVICE(0x148f, 0x2070) },
1084         { USB_DEVICE(0x148f, 0x2770) },
1085         { USB_DEVICE(0x148f, 0x2870) },
1086         { USB_DEVICE(0x148f, 0x3070) },
1087         { USB_DEVICE(0x148f, 0x3071) },
1088         { USB_DEVICE(0x148f, 0x3072) },
1089         /* Samsung */
1090         { USB_DEVICE(0x04e8, 0x2018) },
1091         /* Siemens */
1092         { USB_DEVICE(0x129b, 0x1828) },
1093         /* Sitecom */
1094         { USB_DEVICE(0x0df6, 0x0017) },
1095         { USB_DEVICE(0x0df6, 0x002b) },
1096         { USB_DEVICE(0x0df6, 0x002c) },
1097         { USB_DEVICE(0x0df6, 0x002d) },
1098         { USB_DEVICE(0x0df6, 0x0039) },
1099         { USB_DEVICE(0x0df6, 0x003b) },
1100         { USB_DEVICE(0x0df6, 0x003d) },
1101         { USB_DEVICE(0x0df6, 0x003e) },
1102         { USB_DEVICE(0x0df6, 0x003f) },
1103         { USB_DEVICE(0x0df6, 0x0040) },
1104         { USB_DEVICE(0x0df6, 0x0042) },
1105         { USB_DEVICE(0x0df6, 0x0047) },
1106         { USB_DEVICE(0x0df6, 0x0048) },
1107         { USB_DEVICE(0x0df6, 0x0051) },
1108         { USB_DEVICE(0x0df6, 0x005f) },
1109         { USB_DEVICE(0x0df6, 0x0060) },
1110         /* SMC */
1111         { USB_DEVICE(0x083a, 0x6618) },
1112         { USB_DEVICE(0x083a, 0x7511) },
1113         { USB_DEVICE(0x083a, 0x7512) },
1114         { USB_DEVICE(0x083a, 0x7522) },
1115         { USB_DEVICE(0x083a, 0x8522) },
1116         { USB_DEVICE(0x083a, 0xa618) },
1117         { USB_DEVICE(0x083a, 0xa701) },
1118         { USB_DEVICE(0x083a, 0xa702) },
1119         { USB_DEVICE(0x083a, 0xa703) },
1120         { USB_DEVICE(0x083a, 0xb522) },
1121         /* Sparklan */
1122         { USB_DEVICE(0x15a9, 0x0006) },
1123         /* Sweex */
1124         { USB_DEVICE(0x177f, 0x0153) },
1125         { USB_DEVICE(0x177f, 0x0164) },
1126         { USB_DEVICE(0x177f, 0x0302) },
1127         { USB_DEVICE(0x177f, 0x0313) },
1128         { USB_DEVICE(0x177f, 0x0323) },
1129         { USB_DEVICE(0x177f, 0x0324) },
1130         /* U-Media */
1131         { USB_DEVICE(0x157e, 0x300e) },
1132         { USB_DEVICE(0x157e, 0x3013) },
1133         /* ZCOM */
1134         { USB_DEVICE(0x0cde, 0x0022) },
1135         { USB_DEVICE(0x0cde, 0x0025) },
1136         /* Zinwell */
1137         { USB_DEVICE(0x5a57, 0x0280) },
1138         { USB_DEVICE(0x5a57, 0x0282) },
1139         { USB_DEVICE(0x5a57, 0x0283) },
1140         { USB_DEVICE(0x5a57, 0x5257) },
1141         /* Zyxel */
1142         { USB_DEVICE(0x0586, 0x3416) },
1143         { USB_DEVICE(0x0586, 0x3418) },
1144         { USB_DEVICE(0x0586, 0x341a) },
1145         { USB_DEVICE(0x0586, 0x341e) },
1146         { USB_DEVICE(0x0586, 0x343e) },
1147 #ifdef CONFIG_RT2800USB_RT33XX
1148         /* Belkin */
1149         { USB_DEVICE(0x050d, 0x945b) },
1150         /* D-Link */
1151         { USB_DEVICE(0x2001, 0x3c17) },
1152         /* Panasonic */
1153         { USB_DEVICE(0x083a, 0xb511) },
1154         /* Philips */
1155         { USB_DEVICE(0x0471, 0x20dd) },
1156         /* Ralink */
1157         { USB_DEVICE(0x148f, 0x3370) },
1158         { USB_DEVICE(0x148f, 0x8070) },
1159         /* Sitecom */
1160         { USB_DEVICE(0x0df6, 0x0050) },
1161         /* Sweex */
1162         { USB_DEVICE(0x177f, 0x0163) },
1163         { USB_DEVICE(0x177f, 0x0165) },
1164 #endif
1165 #ifdef CONFIG_RT2800USB_RT35XX
1166         /* Allwin */
1167         { USB_DEVICE(0x8516, 0x3572) },
1168         /* Askey */
1169         { USB_DEVICE(0x1690, 0x0744) },
1170         { USB_DEVICE(0x1690, 0x0761) },
1171         { USB_DEVICE(0x1690, 0x0764) },
1172         /* ASUS */
1173         { USB_DEVICE(0x0b05, 0x179d) },
1174         /* Cisco */
1175         { USB_DEVICE(0x167b, 0x4001) },
1176         /* EnGenius */
1177         { USB_DEVICE(0x1740, 0x9801) },
1178         /* I-O DATA */
1179         { USB_DEVICE(0x04bb, 0x0944) },
1180         /* Linksys */
1181         { USB_DEVICE(0x13b1, 0x002f) },
1182         { USB_DEVICE(0x1737, 0x0079) },
1183         /* Logitec */
1184         { USB_DEVICE(0x0789, 0x0170) },
1185         /* Ralink */
1186         { USB_DEVICE(0x148f, 0x3572) },
1187         /* Sitecom */
1188         { USB_DEVICE(0x0df6, 0x0041) },
1189         { USB_DEVICE(0x0df6, 0x0062) },
1190         { USB_DEVICE(0x0df6, 0x0065) },
1191         { USB_DEVICE(0x0df6, 0x0066) },
1192         { USB_DEVICE(0x0df6, 0x0068) },
1193         /* Toshiba */
1194         { USB_DEVICE(0x0930, 0x0a07) },
1195         /* Zinwell */
1196         { USB_DEVICE(0x5a57, 0x0284) },
1197 #endif
1198 #ifdef CONFIG_RT2800USB_RT3573
1199         /* AirLive */
1200         { USB_DEVICE(0x1b75, 0x7733) },
1201         /* ASUS */
1202         { USB_DEVICE(0x0b05, 0x17bc) },
1203         { USB_DEVICE(0x0b05, 0x17ad) },
1204         /* Belkin */
1205         { USB_DEVICE(0x050d, 0x1103) },
1206         /* Cameo */
1207         { USB_DEVICE(0x148f, 0xf301) },
1208         /* D-Link */
1209         { USB_DEVICE(0x2001, 0x3c1f) },
1210         /* Edimax */
1211         { USB_DEVICE(0x7392, 0x7733) },
1212         /* Hawking */
1213         { USB_DEVICE(0x0e66, 0x0020) },
1214         { USB_DEVICE(0x0e66, 0x0021) },
1215         /* I-O DATA */
1216         { USB_DEVICE(0x04bb, 0x094e) },
1217         /* Linksys */
1218         { USB_DEVICE(0x13b1, 0x003b) },
1219         /* Logitec */
1220         { USB_DEVICE(0x0789, 0x016b) },
1221         /* NETGEAR */
1222         { USB_DEVICE(0x0846, 0x9012) },
1223         { USB_DEVICE(0x0846, 0x9013) },
1224         { USB_DEVICE(0x0846, 0x9019) },
1225         /* Planex */
1226         { USB_DEVICE(0x2019, 0xed19) },
1227         /* Ralink */
1228         { USB_DEVICE(0x148f, 0x3573) },
1229         /* Sitecom */
1230         { USB_DEVICE(0x0df6, 0x0067) },
1231         { USB_DEVICE(0x0df6, 0x006a) },
1232         { USB_DEVICE(0x0df6, 0x006e) },
1233         /* ZyXEL */
1234         { USB_DEVICE(0x0586, 0x3421) },
1235 #endif
1236 #ifdef CONFIG_RT2800USB_RT53XX
1237         /* Arcadyan */
1238         { USB_DEVICE(0x043e, 0x7a12) },
1239         { USB_DEVICE(0x043e, 0x7a32) },
1240         /* Azurewave */
1241         { USB_DEVICE(0x13d3, 0x3329) },
1242         { USB_DEVICE(0x13d3, 0x3365) },
1243         /* D-Link */
1244         { USB_DEVICE(0x2001, 0x3c15) },
1245         { USB_DEVICE(0x2001, 0x3c19) },
1246         { USB_DEVICE(0x2001, 0x3c1c) },
1247         { USB_DEVICE(0x2001, 0x3c1d) },
1248         { USB_DEVICE(0x2001, 0x3c1e) },
1249         { USB_DEVICE(0x2001, 0x3c20) },
1250         { USB_DEVICE(0x2001, 0x3c22) },
1251         { USB_DEVICE(0x2001, 0x3c23) },
1252         /* LG innotek */
1253         { USB_DEVICE(0x043e, 0x7a22) },
1254         { USB_DEVICE(0x043e, 0x7a42) },
1255         /* Panasonic */
1256         { USB_DEVICE(0x04da, 0x1801) },
1257         { USB_DEVICE(0x04da, 0x1800) },
1258         { USB_DEVICE(0x04da, 0x23f6) },
1259         /* Philips */
1260         { USB_DEVICE(0x0471, 0x2104) },
1261         { USB_DEVICE(0x0471, 0x2126) },
1262         { USB_DEVICE(0x0471, 0x2180) },
1263         { USB_DEVICE(0x0471, 0x2181) },
1264         { USB_DEVICE(0x0471, 0x2182) },
1265         /* Ralink */
1266         { USB_DEVICE(0x148f, 0x5370) },
1267         { USB_DEVICE(0x148f, 0x5372) },
1268 #endif
1269 #ifdef CONFIG_RT2800USB_RT55XX
1270         /* Arcadyan */
1271         { USB_DEVICE(0x043e, 0x7a32) },
1272         /* AVM GmbH */
1273         { USB_DEVICE(0x057c, 0x8501) },
1274         /* Buffalo */
1275         { USB_DEVICE(0x0411, 0x0241) },
1276         /* D-Link */
1277         { USB_DEVICE(0x2001, 0x3c1a) },
1278         { USB_DEVICE(0x2001, 0x3c21) },
1279         /* Proware */
1280         { USB_DEVICE(0x043e, 0x7a13) },
1281         /* Ralink */
1282         { USB_DEVICE(0x148f, 0x5572) },
1283         /* TRENDnet */
1284         { USB_DEVICE(0x20f4, 0x724a) },
1285 #endif
1286 #ifdef CONFIG_RT2800USB_UNKNOWN
1287         /*
1288          * Unclear what kind of devices these are (they aren't supported by the
1289          * vendor linux driver).
1290          */
1291         /* Abocom */
1292         { USB_DEVICE(0x07b8, 0x3073) },
1293         { USB_DEVICE(0x07b8, 0x3074) },
1294         /* Alpha Networks */
1295         { USB_DEVICE(0x14b2, 0x3c08) },
1296         { USB_DEVICE(0x14b2, 0x3c11) },
1297         /* Amigo */
1298         { USB_DEVICE(0x0e0b, 0x9031) },
1299         { USB_DEVICE(0x0e0b, 0x9041) },
1300         /* ASUS */
1301         { USB_DEVICE(0x0b05, 0x166a) },
1302         { USB_DEVICE(0x0b05, 0x1760) },
1303         { USB_DEVICE(0x0b05, 0x1761) },
1304         { USB_DEVICE(0x0b05, 0x1790) },
1305         { USB_DEVICE(0x0b05, 0x17a7) },
1306         /* AzureWave */
1307         { USB_DEVICE(0x13d3, 0x3262) },
1308         { USB_DEVICE(0x13d3, 0x3284) },
1309         { USB_DEVICE(0x13d3, 0x3322) },
1310         { USB_DEVICE(0x13d3, 0x3340) },
1311         { USB_DEVICE(0x13d3, 0x3399) },
1312         { USB_DEVICE(0x13d3, 0x3400) },
1313         { USB_DEVICE(0x13d3, 0x3401) },
1314         /* Belkin */
1315         { USB_DEVICE(0x050d, 0x1003) },
1316         /* Buffalo */
1317         { USB_DEVICE(0x0411, 0x012e) },
1318         { USB_DEVICE(0x0411, 0x0148) },
1319         { USB_DEVICE(0x0411, 0x0150) },
1320         /* Corega */
1321         { USB_DEVICE(0x07aa, 0x0041) },
1322         { USB_DEVICE(0x07aa, 0x0042) },
1323         { USB_DEVICE(0x18c5, 0x0008) },
1324         /* D-Link */
1325         { USB_DEVICE(0x07d1, 0x3c0b) },
1326         /* Encore */
1327         { USB_DEVICE(0x203d, 0x14a1) },
1328         /* EnGenius */
1329         { USB_DEVICE(0x1740, 0x0600) },
1330         { USB_DEVICE(0x1740, 0x0602) },
1331         /* Gemtek */
1332         { USB_DEVICE(0x15a9, 0x0010) },
1333         /* Gigabyte */
1334         { USB_DEVICE(0x1044, 0x800c) },
1335         /* Hercules */
1336         { USB_DEVICE(0x06f8, 0xe036) },
1337         /* Huawei */
1338         { USB_DEVICE(0x148f, 0xf101) },
1339         /* I-O DATA */
1340         { USB_DEVICE(0x04bb, 0x094b) },
1341         /* LevelOne */
1342         { USB_DEVICE(0x1740, 0x0605) },
1343         { USB_DEVICE(0x1740, 0x0615) },
1344         /* Logitec */
1345         { USB_DEVICE(0x0789, 0x0168) },
1346         { USB_DEVICE(0x0789, 0x0169) },
1347         /* Motorola */
1348         { USB_DEVICE(0x100d, 0x9032) },
1349         /* Pegatron */
1350         { USB_DEVICE(0x05a6, 0x0101) },
1351         { USB_DEVICE(0x1d4d, 0x0010) },
1352         /* Planex */
1353         { USB_DEVICE(0x2019, 0xab24) },
1354         { USB_DEVICE(0x2019, 0xab29) },
1355         /* Qcom */
1356         { USB_DEVICE(0x18e8, 0x6259) },
1357         /* RadioShack */
1358         { USB_DEVICE(0x08b9, 0x1197) },
1359         /* Sitecom */
1360         { USB_DEVICE(0x0df6, 0x003c) },
1361         { USB_DEVICE(0x0df6, 0x004a) },
1362         { USB_DEVICE(0x0df6, 0x004d) },
1363         { USB_DEVICE(0x0df6, 0x0053) },
1364         { USB_DEVICE(0x0df6, 0x0069) },
1365         { USB_DEVICE(0x0df6, 0x006f) },
1366         /* SMC */
1367         { USB_DEVICE(0x083a, 0xa512) },
1368         { USB_DEVICE(0x083a, 0xc522) },
1369         { USB_DEVICE(0x083a, 0xd522) },
1370         { USB_DEVICE(0x083a, 0xf511) },
1371         /* Sweex */
1372         { USB_DEVICE(0x177f, 0x0254) },
1373         /* TP-LINK */
1374         { USB_DEVICE(0xf201, 0x5370) },
1375 #endif
1376         { 0, }
1377 };
1378
1379 MODULE_AUTHOR(DRV_PROJECT);
1380 MODULE_VERSION(DRV_VERSION);
1381 MODULE_DESCRIPTION("Ralink RT2800 USB Wireless LAN driver.");
1382 MODULE_SUPPORTED_DEVICE("Ralink RT2870 USB chipset based cards");
1383 MODULE_DEVICE_TABLE(usb, rt2800usb_device_table);
1384 MODULE_FIRMWARE(FIRMWARE_RT2870);
1385 MODULE_LICENSE("GPL");
1386
1387 static int rt2800usb_probe(struct usb_interface *usb_intf,
1388                            const struct usb_device_id *id)
1389 {
1390         return rt2x00usb_probe(usb_intf, &rt2800usb_ops);
1391 }
1392
1393 static struct usb_driver rt2800usb_driver = {
1394         .name           = KBUILD_MODNAME,
1395         .id_table       = rt2800usb_device_table,
1396         .probe          = rt2800usb_probe,
1397         .disconnect     = rt2x00usb_disconnect,
1398         .suspend        = rt2x00usb_suspend,
1399         .resume         = rt2x00usb_resume,
1400         .reset_resume   = rt2x00usb_resume,
1401         .disable_hub_initiated_lpm = 1,
1402 };
1403
1404 module_usb_driver(rt2800usb_driver);