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