9ea4ecb3d9c8198109e38378b402b6ad61a4f1bd
[linux-2.6.git] / 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 int modparam_nohwcrypt;
49 module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
50 MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
51
52 /*
53  * Queue handlers.
54  */
55 static void rt2800usb_start_queue(struct data_queue *queue)
56 {
57         struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
58         u32 reg;
59
60         switch (queue->qid) {
61         case QID_RX:
62                 rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
63                 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 1);
64                 rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
65                 break;
66         case QID_BEACON:
67                 rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
68                 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 1);
69                 rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 1);
70                 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 1);
71                 rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg);
72                 break;
73         default:
74                 break;
75         }
76 }
77
78 static void rt2800usb_stop_queue(struct data_queue *queue)
79 {
80         struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
81         u32 reg;
82
83         switch (queue->qid) {
84         case QID_RX:
85                 rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
86                 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
87                 rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
88                 break;
89         case QID_BEACON:
90                 rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
91                 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 0);
92                 rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 0);
93                 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
94                 rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg);
95                 break;
96         default:
97                 break;
98         }
99 }
100
101 /*
102  * test if there is an entry in any TX queue for which DMA is done
103  * but the TX status has not been returned yet
104  */
105 static bool rt2800usb_txstatus_pending(struct rt2x00_dev *rt2x00dev)
106 {
107         struct data_queue *queue;
108
109         tx_queue_for_each(rt2x00dev, queue) {
110                 if (rt2x00queue_get_entry(queue, Q_INDEX_DMA_DONE) !=
111                     rt2x00queue_get_entry(queue, Q_INDEX_DONE))
112                         return true;
113         }
114         return false;
115 }
116
117 static bool rt2800usb_tx_sta_fifo_read_completed(struct rt2x00_dev *rt2x00dev,
118                                                  int urb_status, u32 tx_status)
119 {
120         if (urb_status) {
121                 WARNING(rt2x00dev, "rt2x00usb_register_read_async failed: %d\n", urb_status);
122                 return false;
123         }
124
125         /* try to read all TX_STA_FIFO entries before scheduling txdone_work */
126         if (rt2x00_get_field32(tx_status, TX_STA_FIFO_VALID)) {
127                 if (!kfifo_put(&rt2x00dev->txstatus_fifo, &tx_status)) {
128                         WARNING(rt2x00dev, "TX status FIFO overrun, "
129                                 "drop tx status report.\n");
130                         queue_work(rt2x00dev->workqueue, &rt2x00dev->txdone_work);
131                 } else
132                         return true;
133         } else if (!kfifo_is_empty(&rt2x00dev->txstatus_fifo)) {
134                 queue_work(rt2x00dev->workqueue, &rt2x00dev->txdone_work);
135         } else if (rt2800usb_txstatus_pending(rt2x00dev)) {
136                 mod_timer(&rt2x00dev->txstatus_timer, jiffies + msecs_to_jiffies(2));
137         }
138
139         return false;
140 }
141
142 static void rt2800usb_tx_dma_done(struct queue_entry *entry)
143 {
144         struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
145
146         rt2x00usb_register_read_async(rt2x00dev, TX_STA_FIFO,
147                                       rt2800usb_tx_sta_fifo_read_completed);
148 }
149
150 static void rt2800usb_tx_sta_fifo_timeout(unsigned long data)
151 {
152         struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
153
154         rt2x00usb_register_read_async(rt2x00dev, TX_STA_FIFO,
155                                       rt2800usb_tx_sta_fifo_read_completed);
156 }
157
158 /*
159  * Firmware functions
160  */
161 static char *rt2800usb_get_firmware_name(struct rt2x00_dev *rt2x00dev)
162 {
163         return FIRMWARE_RT2870;
164 }
165
166 static int rt2800usb_write_firmware(struct rt2x00_dev *rt2x00dev,
167                                     const u8 *data, const size_t len)
168 {
169         int status;
170         u32 offset;
171         u32 length;
172
173         /*
174          * Check which section of the firmware we need.
175          */
176         if (rt2x00_rt(rt2x00dev, RT2860) ||
177             rt2x00_rt(rt2x00dev, RT2872) ||
178             rt2x00_rt(rt2x00dev, RT3070)) {
179                 offset = 0;
180                 length = 4096;
181         } else {
182                 offset = 4096;
183                 length = 4096;
184         }
185
186         /*
187          * Write firmware to device.
188          */
189         rt2x00usb_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE,
190                                       data + offset, length);
191
192         rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0);
193         rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0);
194
195         /*
196          * Send firmware request to device to load firmware,
197          * we need to specify a long timeout time.
198          */
199         status = rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE,
200                                              0, USB_MODE_FIRMWARE,
201                                              REGISTER_TIMEOUT_FIRMWARE);
202         if (status < 0) {
203                 ERROR(rt2x00dev, "Failed to write Firmware to device.\n");
204                 return status;
205         }
206
207         msleep(10);
208         rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
209
210         return 0;
211 }
212
213 /*
214  * Device state switch handlers.
215  */
216 static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
217 {
218         u32 reg;
219
220         /*
221          * Wait until BBP and RF are ready.
222          */
223         if (rt2800_wait_csr_ready(rt2x00dev))
224                 return -EBUSY;
225
226         rt2x00usb_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
227         rt2x00usb_register_write(rt2x00dev, PBF_SYS_CTRL, reg & ~0x00002000);
228
229         rt2x00usb_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
230
231         rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
232         rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_CSR, 1);
233         rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_BBP, 1);
234         rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
235
236         rt2x00usb_register_write(rt2x00dev, USB_DMA_CFG, 0x00000000);
237
238         rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0,
239                                     USB_MODE_RESET, REGISTER_TIMEOUT);
240
241         rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
242
243         return 0;
244 }
245
246 static int rt2800usb_enable_radio(struct rt2x00_dev *rt2x00dev)
247 {
248         u32 reg;
249
250         if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev)))
251                 return -EIO;
252
253         rt2x00usb_register_read(rt2x00dev, USB_DMA_CFG, &reg);
254         rt2x00_set_field32(&reg, USB_DMA_CFG_PHY_CLEAR, 0);
255         rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_EN, 0);
256         rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_TIMEOUT, 128);
257         /*
258          * Total room for RX frames in kilobytes, PBF might still exceed
259          * this limit so reduce the number to prevent errors.
260          */
261         rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_LIMIT,
262                            ((rt2x00dev->ops->rx->entry_num * DATA_FRAME_SIZE)
263                             / 1024) - 3);
264         rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_EN, 1);
265         rt2x00_set_field32(&reg, USB_DMA_CFG_TX_BULK_EN, 1);
266         rt2x00usb_register_write(rt2x00dev, USB_DMA_CFG, reg);
267
268         return rt2800_enable_radio(rt2x00dev);
269 }
270
271 static void rt2800usb_disable_radio(struct rt2x00_dev *rt2x00dev)
272 {
273         rt2800_disable_radio(rt2x00dev);
274         rt2x00usb_disable_radio(rt2x00dev);
275 }
276
277 static int rt2800usb_set_state(struct rt2x00_dev *rt2x00dev,
278                                enum dev_state state)
279 {
280         if (state == STATE_AWAKE)
281                 rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, 0xff, 0, 2);
282         else
283                 rt2800_mcu_request(rt2x00dev, MCU_SLEEP, 0xff, 0xff, 2);
284
285         return 0;
286 }
287
288 static int rt2800usb_set_device_state(struct rt2x00_dev *rt2x00dev,
289                                       enum dev_state state)
290 {
291         int retval = 0;
292
293         switch (state) {
294         case STATE_RADIO_ON:
295                 /*
296                  * Before the radio can be enabled, the device first has
297                  * to be woken up. After that it needs a bit of time
298                  * to be fully awake and then the radio can be enabled.
299                  */
300                 rt2800usb_set_state(rt2x00dev, STATE_AWAKE);
301                 msleep(1);
302                 retval = rt2800usb_enable_radio(rt2x00dev);
303                 break;
304         case STATE_RADIO_OFF:
305                 /*
306                  * After the radio has been disabled, the device should
307                  * be put to sleep for powersaving.
308                  */
309                 rt2800usb_disable_radio(rt2x00dev);
310                 rt2800usb_set_state(rt2x00dev, STATE_SLEEP);
311                 break;
312         case STATE_RADIO_IRQ_ON:
313         case STATE_RADIO_IRQ_OFF:
314                 /* No support, but no error either */
315                 break;
316         case STATE_DEEP_SLEEP:
317         case STATE_SLEEP:
318         case STATE_STANDBY:
319         case STATE_AWAKE:
320                 retval = rt2800usb_set_state(rt2x00dev, state);
321                 break;
322         default:
323                 retval = -ENOTSUPP;
324                 break;
325         }
326
327         if (unlikely(retval))
328                 ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n",
329                       state, retval);
330
331         return retval;
332 }
333
334 /*
335  * Watchdog handlers
336  */
337 static void rt2800usb_watchdog(struct rt2x00_dev *rt2x00dev)
338 {
339         unsigned int i;
340         u32 reg;
341
342         rt2x00usb_register_read(rt2x00dev, TXRXQ_PCNT, &reg);
343         if (rt2x00_get_field32(reg, TXRXQ_PCNT_TX0Q)) {
344                 WARNING(rt2x00dev, "TX HW queue 0 timed out,"
345                         " invoke forced kick\n");
346
347                 rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40012);
348
349                 for (i = 0; i < 10; i++) {
350                         udelay(10);
351                         if (!rt2x00_get_field32(reg, TXRXQ_PCNT_TX0Q))
352                                 break;
353                 }
354
355                 rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40006);
356         }
357
358         rt2x00usb_register_read(rt2x00dev, TXRXQ_PCNT, &reg);
359         if (rt2x00_get_field32(reg, TXRXQ_PCNT_TX1Q)) {
360                 WARNING(rt2x00dev, "TX HW queue 1 timed out,"
361                         " invoke forced kick\n");
362
363                 rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf4000a);
364
365                 for (i = 0; i < 10; i++) {
366                         udelay(10);
367                         if (!rt2x00_get_field32(reg, TXRXQ_PCNT_TX1Q))
368                                 break;
369                 }
370
371                 rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40006);
372         }
373
374         rt2x00usb_watchdog(rt2x00dev);
375 }
376
377 /*
378  * TX descriptor initialization
379  */
380 static __le32 *rt2800usb_get_txwi(struct queue_entry *entry)
381 {
382         if (entry->queue->qid == QID_BEACON)
383                 return (__le32 *) (entry->skb->data);
384         else
385                 return (__le32 *) (entry->skb->data + TXINFO_DESC_SIZE);
386 }
387
388 static void rt2800usb_write_tx_desc(struct queue_entry *entry,
389                                     struct txentry_desc *txdesc)
390 {
391         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
392         __le32 *txi = (__le32 *) entry->skb->data;
393         u32 word;
394
395         /*
396          * Initialize TXINFO descriptor
397          */
398         rt2x00_desc_read(txi, 0, &word);
399
400         /*
401          * The size of TXINFO_W0_USB_DMA_TX_PKT_LEN is
402          * TXWI + 802.11 header + L2 pad + payload + pad,
403          * so need to decrease size of TXINFO and USB end pad.
404          */
405         rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_PKT_LEN,
406                            entry->skb->len - TXINFO_DESC_SIZE - 4);
407         rt2x00_set_field32(&word, TXINFO_W0_WIV,
408                            !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags));
409         rt2x00_set_field32(&word, TXINFO_W0_QSEL, 2);
410         rt2x00_set_field32(&word, TXINFO_W0_SW_USE_LAST_ROUND, 0);
411         rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_NEXT_VALID, 0);
412         rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_BURST,
413                            test_bit(ENTRY_TXD_BURST, &txdesc->flags));
414         rt2x00_desc_write(txi, 0, word);
415
416         /*
417          * Register descriptor details in skb frame descriptor.
418          */
419         skbdesc->flags |= SKBDESC_DESC_IN_SKB;
420         skbdesc->desc = txi;
421         skbdesc->desc_len = TXINFO_DESC_SIZE + TXWI_DESC_SIZE;
422 }
423
424 static void rt2800usb_write_tx_data(struct queue_entry *entry,
425                                         struct txentry_desc *txdesc)
426 {
427         unsigned int len;
428         int err;
429
430         rt2800_write_tx_data(entry, txdesc);
431
432         /*
433          * pad(1~3 bytes) is added after each 802.11 payload.
434          * USB end pad(4 bytes) is added at each USB bulk out packet end.
435          * TX frame format is :
436          * | TXINFO | TXWI | 802.11 header | L2 pad | payload | pad | USB end pad |
437          *                 |<------------- tx_pkt_len ------------->|
438          */
439         len = roundup(entry->skb->len, 4) + 4;
440         err = skb_padto(entry->skb, len);
441         if (unlikely(err)) {
442                 WARNING(entry->queue->rt2x00dev, "TX SKB padding error, out of memory\n");
443                 return;
444         }
445
446         entry->skb->len = len;
447 }
448
449 /*
450  * TX data initialization
451  */
452 static int rt2800usb_get_tx_data_len(struct queue_entry *entry)
453 {
454         return entry->skb->len;
455 }
456
457 /*
458  * TX control handlers
459  */
460 static bool rt2800usb_txdone_entry_check(struct queue_entry *entry, u32 reg)
461 {
462         __le32 *txwi;
463         u32 word;
464         int wcid, ack, pid;
465         int tx_wcid, tx_ack, tx_pid;
466
467         if (test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags) ||
468             !test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags)) {
469                 WARNING(entry->queue->rt2x00dev,
470                         "Data pending for entry %u in queue %u\n",
471                         entry->entry_idx, entry->queue->qid);
472                 cond_resched();
473                 return false;
474         }
475
476         wcid    = rt2x00_get_field32(reg, TX_STA_FIFO_WCID);
477         ack     = rt2x00_get_field32(reg, TX_STA_FIFO_TX_ACK_REQUIRED);
478         pid     = rt2x00_get_field32(reg, TX_STA_FIFO_PID_TYPE);
479
480         /*
481          * This frames has returned with an IO error,
482          * so the status report is not intended for this
483          * frame.
484          */
485         if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags)) {
486                 rt2x00lib_txdone_noinfo(entry, TXDONE_FAILURE);
487                 return false;
488         }
489
490         /*
491          * Validate if this TX status report is intended for
492          * this entry by comparing the WCID/ACK/PID fields.
493          */
494         txwi = rt2800usb_get_txwi(entry);
495
496         rt2x00_desc_read(txwi, 1, &word);
497         tx_wcid = rt2x00_get_field32(word, TXWI_W1_WIRELESS_CLI_ID);
498         tx_ack  = rt2x00_get_field32(word, TXWI_W1_ACK);
499         tx_pid  = rt2x00_get_field32(word, TXWI_W1_PACKETID);
500
501         if ((wcid != tx_wcid) || (ack != tx_ack) || (pid != tx_pid)) {
502                 WARNING(entry->queue->rt2x00dev,
503                         "TX status report missed for queue %d entry %d\n",
504                 entry->queue->qid, entry->entry_idx);
505                 rt2x00lib_txdone_noinfo(entry, TXDONE_UNKNOWN);
506                 return false;
507         }
508
509         return true;
510 }
511
512 static void rt2800usb_txdone(struct rt2x00_dev *rt2x00dev)
513 {
514         struct data_queue *queue;
515         struct queue_entry *entry;
516         u32 reg;
517         u8 qid;
518
519         while (kfifo_get(&rt2x00dev->txstatus_fifo, &reg)) {
520
521                 /* TX_STA_FIFO_PID_QUEUE is a 2-bit field, thus
522                  * qid is guaranteed to be one of the TX QIDs
523                  */
524                 qid = rt2x00_get_field32(reg, TX_STA_FIFO_PID_QUEUE);
525                 queue = rt2x00queue_get_tx_queue(rt2x00dev, qid);
526                 if (unlikely(!queue)) {
527                         WARNING(rt2x00dev, "Got TX status for an unavailable "
528                                            "queue %u, dropping\n", qid);
529                         continue;
530                 }
531
532                 /*
533                  * Inside each queue, we process each entry in a chronological
534                  * order. We first check that the queue is not empty.
535                  */
536                 entry = NULL;
537                 while (!rt2x00queue_empty(queue)) {
538                         entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
539                         if (rt2800usb_txdone_entry_check(entry, reg))
540                                 break;
541                         entry = NULL;
542                 }
543
544                 if (entry)
545                         rt2800_txdone_entry(entry, reg,
546                                             rt2800usb_get_txwi(entry));
547         }
548 }
549
550 static void rt2800usb_work_txdone(struct work_struct *work)
551 {
552         struct rt2x00_dev *rt2x00dev =
553             container_of(work, struct rt2x00_dev, txdone_work);
554         struct data_queue *queue;
555         struct queue_entry *entry;
556
557         rt2800usb_txdone(rt2x00dev);
558
559         /*
560          * Process any trailing TX status reports for IO failures,
561          * we loop until we find the first non-IO error entry. This
562          * can either be a frame which is free, is being uploaded,
563          * or has completed the upload but didn't have an entry
564          * in the TX_STAT_FIFO register yet.
565          */
566         tx_queue_for_each(rt2x00dev, queue) {
567                 while (!rt2x00queue_empty(queue)) {
568                         entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
569
570                         if (test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags) ||
571                             !test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))
572                                 break;
573
574                         if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags))
575                                 rt2x00lib_txdone_noinfo(entry, TXDONE_FAILURE);
576                         else if (rt2x00queue_status_timeout(entry))
577                                 rt2x00lib_txdone_noinfo(entry, TXDONE_UNKNOWN);
578                         else
579                                 break;
580                 }
581         }
582
583         /*
584          * The hw may delay sending the packet after DMA complete
585          * if the medium is busy, thus the TX_STA_FIFO entry is
586          * also delayed -> use a timer to retrieve it.
587          */
588         if (rt2800usb_txstatus_pending(rt2x00dev))
589                 mod_timer(&rt2x00dev->txstatus_timer, jiffies + msecs_to_jiffies(2));
590 }
591
592 /*
593  * RX control handlers
594  */
595 static void rt2800usb_fill_rxdone(struct queue_entry *entry,
596                                   struct rxdone_entry_desc *rxdesc)
597 {
598         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
599         __le32 *rxi = (__le32 *)entry->skb->data;
600         __le32 *rxd;
601         u32 word;
602         int rx_pkt_len;
603
604         /*
605          * Copy descriptor to the skbdesc->desc buffer, making it safe from
606          * moving of frame data in rt2x00usb.
607          */
608         memcpy(skbdesc->desc, rxi, skbdesc->desc_len);
609
610         /*
611          * RX frame format is :
612          * | RXINFO | RXWI | header | L2 pad | payload | pad | RXD | USB pad |
613          *          |<------------ rx_pkt_len -------------->|
614          */
615         rt2x00_desc_read(rxi, 0, &word);
616         rx_pkt_len = rt2x00_get_field32(word, RXINFO_W0_USB_DMA_RX_PKT_LEN);
617
618         /*
619          * Remove the RXINFO structure from the sbk.
620          */
621         skb_pull(entry->skb, RXINFO_DESC_SIZE);
622
623         /*
624          * FIXME: we need to check for rx_pkt_len validity
625          */
626         rxd = (__le32 *)(entry->skb->data + rx_pkt_len);
627
628         /*
629          * It is now safe to read the descriptor on all architectures.
630          */
631         rt2x00_desc_read(rxd, 0, &word);
632
633         if (rt2x00_get_field32(word, RXD_W0_CRC_ERROR))
634                 rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
635
636         rxdesc->cipher_status = rt2x00_get_field32(word, RXD_W0_CIPHER_ERROR);
637
638         if (rt2x00_get_field32(word, RXD_W0_DECRYPTED)) {
639                 /*
640                  * Hardware has stripped IV/EIV data from 802.11 frame during
641                  * decryption. Unfortunately the descriptor doesn't contain
642                  * any fields with the EIV/IV data either, so they can't
643                  * be restored by rt2x00lib.
644                  */
645                 rxdesc->flags |= RX_FLAG_IV_STRIPPED;
646
647                 /*
648                  * The hardware has already checked the Michael Mic and has
649                  * stripped it from the frame. Signal this to mac80211.
650                  */
651                 rxdesc->flags |= RX_FLAG_MMIC_STRIPPED;
652
653                 if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS)
654                         rxdesc->flags |= RX_FLAG_DECRYPTED;
655                 else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC)
656                         rxdesc->flags |= RX_FLAG_MMIC_ERROR;
657         }
658
659         if (rt2x00_get_field32(word, RXD_W0_MY_BSS))
660                 rxdesc->dev_flags |= RXDONE_MY_BSS;
661
662         if (rt2x00_get_field32(word, RXD_W0_L2PAD))
663                 rxdesc->dev_flags |= RXDONE_L2PAD;
664
665         /*
666          * Remove RXD descriptor from end of buffer.
667          */
668         skb_trim(entry->skb, rx_pkt_len);
669
670         /*
671          * Process the RXWI structure.
672          */
673         rt2800_process_rxwi(entry, rxdesc);
674 }
675
676 /*
677  * Device probe functions.
678  */
679 static int rt2800usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
680 {
681         if (rt2800_efuse_detect(rt2x00dev))
682                 rt2800_read_eeprom_efuse(rt2x00dev);
683         else
684                 rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom,
685                                       EEPROM_SIZE);
686
687         return rt2800_validate_eeprom(rt2x00dev);
688 }
689
690 static int rt2800usb_probe_hw(struct rt2x00_dev *rt2x00dev)
691 {
692         int retval;
693
694         /*
695          * Allocate eeprom data.
696          */
697         retval = rt2800usb_validate_eeprom(rt2x00dev);
698         if (retval)
699                 return retval;
700
701         retval = rt2800_init_eeprom(rt2x00dev);
702         if (retval)
703                 return retval;
704
705         /*
706          * Initialize hw specifications.
707          */
708         retval = rt2800_probe_hw_mode(rt2x00dev);
709         if (retval)
710                 return retval;
711
712         /*
713          * This device has multiple filters for control frames
714          * and has a separate filter for PS Poll frames.
715          */
716         __set_bit(CAPABILITY_CONTROL_FILTERS, &rt2x00dev->cap_flags);
717         __set_bit(CAPABILITY_CONTROL_FILTER_PSPOLL, &rt2x00dev->cap_flags);
718
719         /*
720          * This device requires firmware.
721          */
722         __set_bit(REQUIRE_FIRMWARE, &rt2x00dev->cap_flags);
723         __set_bit(REQUIRE_L2PAD, &rt2x00dev->cap_flags);
724         if (!modparam_nohwcrypt)
725                 __set_bit(CAPABILITY_HW_CRYPTO, &rt2x00dev->cap_flags);
726         __set_bit(CAPABILITY_LINK_TUNING, &rt2x00dev->cap_flags);
727         __set_bit(REQUIRE_HT_TX_DESC, &rt2x00dev->cap_flags);
728         __set_bit(REQUIRE_TXSTATUS_FIFO, &rt2x00dev->cap_flags);
729         __set_bit(REQUIRE_PS_AUTOWAKE, &rt2x00dev->cap_flags);
730
731         setup_timer(&rt2x00dev->txstatus_timer,
732                     rt2800usb_tx_sta_fifo_timeout,
733                     (unsigned long) rt2x00dev);
734
735         /*
736          * Set the rssi offset.
737          */
738         rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
739
740         /*
741          * Overwrite TX done handler
742          */
743         PREPARE_WORK(&rt2x00dev->txdone_work, rt2800usb_work_txdone);
744
745         return 0;
746 }
747
748 static const struct ieee80211_ops rt2800usb_mac80211_ops = {
749         .tx                     = rt2x00mac_tx,
750         .start                  = rt2x00mac_start,
751         .stop                   = rt2x00mac_stop,
752         .add_interface          = rt2x00mac_add_interface,
753         .remove_interface       = rt2x00mac_remove_interface,
754         .config                 = rt2x00mac_config,
755         .configure_filter       = rt2x00mac_configure_filter,
756         .set_tim                = rt2x00mac_set_tim,
757         .set_key                = rt2x00mac_set_key,
758         .sw_scan_start          = rt2x00mac_sw_scan_start,
759         .sw_scan_complete       = rt2x00mac_sw_scan_complete,
760         .get_stats              = rt2x00mac_get_stats,
761         .get_tkip_seq           = rt2800_get_tkip_seq,
762         .set_rts_threshold      = rt2800_set_rts_threshold,
763         .sta_add                = rt2x00mac_sta_add,
764         .sta_remove             = rt2x00mac_sta_remove,
765         .bss_info_changed       = rt2x00mac_bss_info_changed,
766         .conf_tx                = rt2800_conf_tx,
767         .get_tsf                = rt2800_get_tsf,
768         .rfkill_poll            = rt2x00mac_rfkill_poll,
769         .ampdu_action           = rt2800_ampdu_action,
770         .flush                  = rt2x00mac_flush,
771         .get_survey             = rt2800_get_survey,
772         .get_ringparam          = rt2x00mac_get_ringparam,
773         .tx_frames_pending      = rt2x00mac_tx_frames_pending,
774 };
775
776 static const struct rt2800_ops rt2800usb_rt2800_ops = {
777         .register_read          = rt2x00usb_register_read,
778         .register_read_lock     = rt2x00usb_register_read_lock,
779         .register_write         = rt2x00usb_register_write,
780         .register_write_lock    = rt2x00usb_register_write_lock,
781         .register_multiread     = rt2x00usb_register_multiread,
782         .register_multiwrite    = rt2x00usb_register_multiwrite,
783         .regbusy_read           = rt2x00usb_regbusy_read,
784         .drv_write_firmware     = rt2800usb_write_firmware,
785         .drv_init_registers     = rt2800usb_init_registers,
786         .drv_get_txwi           = rt2800usb_get_txwi,
787 };
788
789 static const struct rt2x00lib_ops rt2800usb_rt2x00_ops = {
790         .probe_hw               = rt2800usb_probe_hw,
791         .get_firmware_name      = rt2800usb_get_firmware_name,
792         .check_firmware         = rt2800_check_firmware,
793         .load_firmware          = rt2800_load_firmware,
794         .initialize             = rt2x00usb_initialize,
795         .uninitialize           = rt2x00usb_uninitialize,
796         .clear_entry            = rt2x00usb_clear_entry,
797         .set_device_state       = rt2800usb_set_device_state,
798         .rfkill_poll            = rt2800_rfkill_poll,
799         .link_stats             = rt2800_link_stats,
800         .reset_tuner            = rt2800_reset_tuner,
801         .link_tuner             = rt2800_link_tuner,
802         .gain_calibration       = rt2800_gain_calibration,
803         .watchdog               = rt2800usb_watchdog,
804         .start_queue            = rt2800usb_start_queue,
805         .kick_queue             = rt2x00usb_kick_queue,
806         .stop_queue             = rt2800usb_stop_queue,
807         .flush_queue            = rt2x00usb_flush_queue,
808         .tx_dma_done            = rt2800usb_tx_dma_done,
809         .write_tx_desc          = rt2800usb_write_tx_desc,
810         .write_tx_data          = rt2800usb_write_tx_data,
811         .write_beacon           = rt2800_write_beacon,
812         .clear_beacon           = rt2800_clear_beacon,
813         .get_tx_data_len        = rt2800usb_get_tx_data_len,
814         .fill_rxdone            = rt2800usb_fill_rxdone,
815         .config_shared_key      = rt2800_config_shared_key,
816         .config_pairwise_key    = rt2800_config_pairwise_key,
817         .config_filter          = rt2800_config_filter,
818         .config_intf            = rt2800_config_intf,
819         .config_erp             = rt2800_config_erp,
820         .config_ant             = rt2800_config_ant,
821         .config                 = rt2800_config,
822         .sta_add                = rt2800_sta_add,
823         .sta_remove             = rt2800_sta_remove,
824 };
825
826 static const struct data_queue_desc rt2800usb_queue_rx = {
827         .entry_num              = 128,
828         .data_size              = AGGREGATION_SIZE,
829         .desc_size              = RXINFO_DESC_SIZE + RXWI_DESC_SIZE,
830         .priv_size              = sizeof(struct queue_entry_priv_usb),
831 };
832
833 static const struct data_queue_desc rt2800usb_queue_tx = {
834         .entry_num              = 64,
835         .data_size              = AGGREGATION_SIZE,
836         .desc_size              = TXINFO_DESC_SIZE + TXWI_DESC_SIZE,
837         .priv_size              = sizeof(struct queue_entry_priv_usb),
838 };
839
840 static const struct data_queue_desc rt2800usb_queue_bcn = {
841         .entry_num              = 8,
842         .data_size              = MGMT_FRAME_SIZE,
843         .desc_size              = TXINFO_DESC_SIZE + TXWI_DESC_SIZE,
844         .priv_size              = sizeof(struct queue_entry_priv_usb),
845 };
846
847 static const struct rt2x00_ops rt2800usb_ops = {
848         .name                   = KBUILD_MODNAME,
849         .max_sta_intf           = 1,
850         .max_ap_intf            = 8,
851         .eeprom_size            = EEPROM_SIZE,
852         .rf_size                = RF_SIZE,
853         .tx_queues              = NUM_TX_QUEUES,
854         .extra_tx_headroom      = TXINFO_DESC_SIZE + TXWI_DESC_SIZE,
855         .rx                     = &rt2800usb_queue_rx,
856         .tx                     = &rt2800usb_queue_tx,
857         .bcn                    = &rt2800usb_queue_bcn,
858         .lib                    = &rt2800usb_rt2x00_ops,
859         .drv                    = &rt2800usb_rt2800_ops,
860         .hw                     = &rt2800usb_mac80211_ops,
861 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
862         .debugfs                = &rt2800_rt2x00debug,
863 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
864 };
865
866 /*
867  * rt2800usb module information.
868  */
869 static struct usb_device_id rt2800usb_device_table[] = {
870         /* Abocom */
871         { USB_DEVICE(0x07b8, 0x2870) },
872         { USB_DEVICE(0x07b8, 0x2770) },
873         { USB_DEVICE(0x07b8, 0x3070) },
874         { USB_DEVICE(0x07b8, 0x3071) },
875         { USB_DEVICE(0x07b8, 0x3072) },
876         { USB_DEVICE(0x1482, 0x3c09) },
877         /* AirTies */
878         { USB_DEVICE(0x1eda, 0x2012) },
879         { USB_DEVICE(0x1eda, 0x2310) },
880         /* Allwin */
881         { USB_DEVICE(0x8516, 0x2070) },
882         { USB_DEVICE(0x8516, 0x2770) },
883         { USB_DEVICE(0x8516, 0x2870) },
884         { USB_DEVICE(0x8516, 0x3070) },
885         { USB_DEVICE(0x8516, 0x3071) },
886         { USB_DEVICE(0x8516, 0x3072) },
887         /* Alpha Networks */
888         { USB_DEVICE(0x14b2, 0x3c06) },
889         { USB_DEVICE(0x14b2, 0x3c07) },
890         { USB_DEVICE(0x14b2, 0x3c09) },
891         { USB_DEVICE(0x14b2, 0x3c12) },
892         { USB_DEVICE(0x14b2, 0x3c23) },
893         { USB_DEVICE(0x14b2, 0x3c25) },
894         { USB_DEVICE(0x14b2, 0x3c27) },
895         { USB_DEVICE(0x14b2, 0x3c28) },
896         { USB_DEVICE(0x14b2, 0x3c2c) },
897         /* Amit */
898         { USB_DEVICE(0x15c5, 0x0008) },
899         /* Askey */
900         { USB_DEVICE(0x1690, 0x0740) },
901         /* ASUS */
902         { USB_DEVICE(0x0b05, 0x1731) },
903         { USB_DEVICE(0x0b05, 0x1732) },
904         { USB_DEVICE(0x0b05, 0x1742) },
905         { USB_DEVICE(0x0b05, 0x1784) },
906         { USB_DEVICE(0x1761, 0x0b05) },
907         /* AzureWave */
908         { USB_DEVICE(0x13d3, 0x3247) },
909         { USB_DEVICE(0x13d3, 0x3273) },
910         { USB_DEVICE(0x13d3, 0x3305) },
911         { USB_DEVICE(0x13d3, 0x3307) },
912         { USB_DEVICE(0x13d3, 0x3321) },
913         /* Belkin */
914         { USB_DEVICE(0x050d, 0x8053) },
915         { USB_DEVICE(0x050d, 0x805c) },
916         { USB_DEVICE(0x050d, 0x815c) },
917         { USB_DEVICE(0x050d, 0x825b) },
918         { USB_DEVICE(0x050d, 0x935a) },
919         { USB_DEVICE(0x050d, 0x935b) },
920         /* Buffalo */
921         { USB_DEVICE(0x0411, 0x00e8) },
922         { USB_DEVICE(0x0411, 0x0158) },
923         { USB_DEVICE(0x0411, 0x016f) },
924         { USB_DEVICE(0x0411, 0x01a2) },
925         /* Corega */
926         { USB_DEVICE(0x07aa, 0x002f) },
927         { USB_DEVICE(0x07aa, 0x003c) },
928         { USB_DEVICE(0x07aa, 0x003f) },
929         { USB_DEVICE(0x18c5, 0x0012) },
930         /* D-Link */
931         { USB_DEVICE(0x07d1, 0x3c09) },
932         { USB_DEVICE(0x07d1, 0x3c0a) },
933         { USB_DEVICE(0x07d1, 0x3c0d) },
934         { USB_DEVICE(0x07d1, 0x3c0e) },
935         { USB_DEVICE(0x07d1, 0x3c0f) },
936         { USB_DEVICE(0x07d1, 0x3c11) },
937         { USB_DEVICE(0x07d1, 0x3c16) },
938         /* Draytek */
939         { USB_DEVICE(0x07fa, 0x7712) },
940         /* DVICO */
941         { USB_DEVICE(0x0fe9, 0xb307) },
942         /* Edimax */
943         { USB_DEVICE(0x7392, 0x7711) },
944         { USB_DEVICE(0x7392, 0x7717) },
945         { USB_DEVICE(0x7392, 0x7718) },
946         /* Encore */
947         { USB_DEVICE(0x203d, 0x1480) },
948         { USB_DEVICE(0x203d, 0x14a9) },
949         /* EnGenius */
950         { USB_DEVICE(0x1740, 0x9701) },
951         { USB_DEVICE(0x1740, 0x9702) },
952         { USB_DEVICE(0x1740, 0x9703) },
953         { USB_DEVICE(0x1740, 0x9705) },
954         { USB_DEVICE(0x1740, 0x9706) },
955         { USB_DEVICE(0x1740, 0x9707) },
956         { USB_DEVICE(0x1740, 0x9708) },
957         { USB_DEVICE(0x1740, 0x9709) },
958         /* Gemtek */
959         { USB_DEVICE(0x15a9, 0x0012) },
960         /* Gigabyte */
961         { USB_DEVICE(0x1044, 0x800b) },
962         { USB_DEVICE(0x1044, 0x800d) },
963         /* Hawking */
964         { USB_DEVICE(0x0e66, 0x0001) },
965         { USB_DEVICE(0x0e66, 0x0003) },
966         { USB_DEVICE(0x0e66, 0x0009) },
967         { USB_DEVICE(0x0e66, 0x000b) },
968         { USB_DEVICE(0x0e66, 0x0013) },
969         { USB_DEVICE(0x0e66, 0x0017) },
970         { USB_DEVICE(0x0e66, 0x0018) },
971         /* I-O DATA */
972         { USB_DEVICE(0x04bb, 0x0945) },
973         { USB_DEVICE(0x04bb, 0x0947) },
974         { USB_DEVICE(0x04bb, 0x0948) },
975         /* Linksys */
976         { USB_DEVICE(0x13b1, 0x0031) },
977         { USB_DEVICE(0x1737, 0x0070) },
978         { USB_DEVICE(0x1737, 0x0071) },
979         /* Logitec */
980         { USB_DEVICE(0x0789, 0x0162) },
981         { USB_DEVICE(0x0789, 0x0163) },
982         { USB_DEVICE(0x0789, 0x0164) },
983         { USB_DEVICE(0x0789, 0x0166) },
984         /* Motorola */
985         { USB_DEVICE(0x100d, 0x9031) },
986         /* MSI */
987         { USB_DEVICE(0x0db0, 0x3820) },
988         { USB_DEVICE(0x0db0, 0x3821) },
989         { USB_DEVICE(0x0db0, 0x3822) },
990         { USB_DEVICE(0x0db0, 0x3870) },
991         { USB_DEVICE(0x0db0, 0x3871) },
992         { USB_DEVICE(0x0db0, 0x6899) },
993         { USB_DEVICE(0x0db0, 0x821a) },
994         { USB_DEVICE(0x0db0, 0x822a) },
995         { USB_DEVICE(0x0db0, 0x822b) },
996         { USB_DEVICE(0x0db0, 0x822c) },
997         { USB_DEVICE(0x0db0, 0x870a) },
998         { USB_DEVICE(0x0db0, 0x871a) },
999         { USB_DEVICE(0x0db0, 0x871b) },
1000         { USB_DEVICE(0x0db0, 0x871c) },
1001         { USB_DEVICE(0x0db0, 0x899a) },
1002         /* Para */
1003         { USB_DEVICE(0x20b8, 0x8888) },
1004         /* Pegatron */
1005         { USB_DEVICE(0x1d4d, 0x000c) },
1006         { USB_DEVICE(0x1d4d, 0x000e) },
1007         { USB_DEVICE(0x1d4d, 0x0011) },
1008         /* Philips */
1009         { USB_DEVICE(0x0471, 0x200f) },
1010         /* Planex */
1011         { USB_DEVICE(0x2019, 0xab25) },
1012         { USB_DEVICE(0x2019, 0xed06) },
1013         /* Quanta */
1014         { USB_DEVICE(0x1a32, 0x0304) },
1015         /* Ralink */
1016         { USB_DEVICE(0x148f, 0x2070) },
1017         { USB_DEVICE(0x148f, 0x2770) },
1018         { USB_DEVICE(0x148f, 0x2870) },
1019         { USB_DEVICE(0x148f, 0x3070) },
1020         { USB_DEVICE(0x148f, 0x3071) },
1021         { USB_DEVICE(0x148f, 0x3072) },
1022         /* Samsung */
1023         { USB_DEVICE(0x04e8, 0x2018) },
1024         /* Siemens */
1025         { USB_DEVICE(0x129b, 0x1828) },
1026         /* Sitecom */
1027         { USB_DEVICE(0x0df6, 0x0017) },
1028         { USB_DEVICE(0x0df6, 0x002b) },
1029         { USB_DEVICE(0x0df6, 0x002c) },
1030         { USB_DEVICE(0x0df6, 0x002d) },
1031         { USB_DEVICE(0x0df6, 0x0039) },
1032         { USB_DEVICE(0x0df6, 0x003b) },
1033         { USB_DEVICE(0x0df6, 0x003d) },
1034         { USB_DEVICE(0x0df6, 0x003e) },
1035         { USB_DEVICE(0x0df6, 0x003f) },
1036         { USB_DEVICE(0x0df6, 0x0040) },
1037         { USB_DEVICE(0x0df6, 0x0042) },
1038         { USB_DEVICE(0x0df6, 0x0047) },
1039         { USB_DEVICE(0x0df6, 0x0048) },
1040         { USB_DEVICE(0x0df6, 0x0051) },
1041         { USB_DEVICE(0x0df6, 0x005f) },
1042         { USB_DEVICE(0x0df6, 0x0060) },
1043         /* SMC */
1044         { USB_DEVICE(0x083a, 0x6618) },
1045         { USB_DEVICE(0x083a, 0x7511) },
1046         { USB_DEVICE(0x083a, 0x7512) },
1047         { USB_DEVICE(0x083a, 0x7522) },
1048         { USB_DEVICE(0x083a, 0x8522) },
1049         { USB_DEVICE(0x083a, 0xa618) },
1050         { USB_DEVICE(0x083a, 0xa701) },
1051         { USB_DEVICE(0x083a, 0xa702) },
1052         { USB_DEVICE(0x083a, 0xa703) },
1053         { USB_DEVICE(0x083a, 0xb522) },
1054         /* Sparklan */
1055         { USB_DEVICE(0x15a9, 0x0006) },
1056         /* Sweex */
1057         { USB_DEVICE(0x177f, 0x0302) },
1058         /* U-Media */
1059         { USB_DEVICE(0x157e, 0x300e) },
1060         { USB_DEVICE(0x157e, 0x3013) },
1061         /* ZCOM */
1062         { USB_DEVICE(0x0cde, 0x0022) },
1063         { USB_DEVICE(0x0cde, 0x0025) },
1064         /* Zinwell */
1065         { USB_DEVICE(0x5a57, 0x0280) },
1066         { USB_DEVICE(0x5a57, 0x0282) },
1067         { USB_DEVICE(0x5a57, 0x0283) },
1068         { USB_DEVICE(0x5a57, 0x5257) },
1069         /* Zyxel */
1070         { USB_DEVICE(0x0586, 0x3416) },
1071         { USB_DEVICE(0x0586, 0x3418) },
1072         { USB_DEVICE(0x0586, 0x341e) },
1073         { USB_DEVICE(0x0586, 0x343e) },
1074 #ifdef CONFIG_RT2800USB_RT33XX
1075         /* Belkin */
1076         { USB_DEVICE(0x050d, 0x945b) },
1077         /* Ralink */
1078         { USB_DEVICE(0x148f, 0x3370) },
1079         { USB_DEVICE(0x148f, 0x8070) },
1080         /* Sitecom */
1081         { USB_DEVICE(0x0df6, 0x0050) },
1082 #endif
1083 #ifdef CONFIG_RT2800USB_RT35XX
1084         /* Allwin */
1085         { USB_DEVICE(0x8516, 0x3572) },
1086         /* Askey */
1087         { USB_DEVICE(0x1690, 0x0744) },
1088         /* Cisco */
1089         { USB_DEVICE(0x167b, 0x4001) },
1090         /* EnGenius */
1091         { USB_DEVICE(0x1740, 0x9801) },
1092         /* I-O DATA */
1093         { USB_DEVICE(0x04bb, 0x0944) },
1094         /* Linksys */
1095         { USB_DEVICE(0x13b1, 0x002f) },
1096         { USB_DEVICE(0x1737, 0x0079) },
1097         /* Ralink */
1098         { USB_DEVICE(0x148f, 0x3572) },
1099         /* Sitecom */
1100         { USB_DEVICE(0x0df6, 0x0041) },
1101         { USB_DEVICE(0x0df6, 0x0062) },
1102         /* Toshiba */
1103         { USB_DEVICE(0x0930, 0x0a07) },
1104         /* Zinwell */
1105         { USB_DEVICE(0x5a57, 0x0284) },
1106 #endif
1107 #ifdef CONFIG_RT2800USB_RT53XX
1108         /* Azurewave */
1109         { USB_DEVICE(0x13d3, 0x3329) },
1110         { USB_DEVICE(0x13d3, 0x3365) },
1111         /* Ralink */
1112         { USB_DEVICE(0x148f, 0x5370) },
1113         { USB_DEVICE(0x148f, 0x5372) },
1114 #endif
1115 #ifdef CONFIG_RT2800USB_UNKNOWN
1116         /*
1117          * Unclear what kind of devices these are (they aren't supported by the
1118          * vendor linux driver).
1119          */
1120         /* Abocom */
1121         { USB_DEVICE(0x07b8, 0x3073) },
1122         { USB_DEVICE(0x07b8, 0x3074) },
1123         /* Alpha Networks */
1124         { USB_DEVICE(0x14b2, 0x3c08) },
1125         { USB_DEVICE(0x14b2, 0x3c11) },
1126         /* Amigo */
1127         { USB_DEVICE(0x0e0b, 0x9031) },
1128         { USB_DEVICE(0x0e0b, 0x9041) },
1129         /* ASUS */
1130         { USB_DEVICE(0x0b05, 0x166a) },
1131         { USB_DEVICE(0x0b05, 0x1760) },
1132         { USB_DEVICE(0x0b05, 0x1761) },
1133         { USB_DEVICE(0x0b05, 0x1790) },
1134         { USB_DEVICE(0x0b05, 0x179d) },
1135         /* AzureWave */
1136         { USB_DEVICE(0x13d3, 0x3262) },
1137         { USB_DEVICE(0x13d3, 0x3284) },
1138         { USB_DEVICE(0x13d3, 0x3322) },
1139         /* Belkin */
1140         { USB_DEVICE(0x050d, 0x1003) },
1141         { USB_DEVICE(0x050d, 0x825a) },
1142         /* Buffalo */
1143         { USB_DEVICE(0x0411, 0x012e) },
1144         { USB_DEVICE(0x0411, 0x0148) },
1145         { USB_DEVICE(0x0411, 0x0150) },
1146         { USB_DEVICE(0x0411, 0x015d) },
1147         /* Corega */
1148         { USB_DEVICE(0x07aa, 0x0041) },
1149         { USB_DEVICE(0x07aa, 0x0042) },
1150         { USB_DEVICE(0x18c5, 0x0008) },
1151         /* D-Link */
1152         { USB_DEVICE(0x07d1, 0x3c0b) },
1153         { USB_DEVICE(0x07d1, 0x3c13) },
1154         { USB_DEVICE(0x07d1, 0x3c15) },
1155         { USB_DEVICE(0x07d1, 0x3c17) },
1156         { USB_DEVICE(0x2001, 0x3c17) },
1157         /* Edimax */
1158         { USB_DEVICE(0x7392, 0x4085) },
1159         { USB_DEVICE(0x7392, 0x7722) },
1160         /* Encore */
1161         { USB_DEVICE(0x203d, 0x14a1) },
1162         /* Gemtek */
1163         { USB_DEVICE(0x15a9, 0x0010) },
1164         /* Gigabyte */
1165         { USB_DEVICE(0x1044, 0x800c) },
1166         /* Huawei */
1167         { USB_DEVICE(0x148f, 0xf101) },
1168         /* I-O DATA */
1169         { USB_DEVICE(0x04bb, 0x094b) },
1170         /* LevelOne */
1171         { USB_DEVICE(0x1740, 0x0605) },
1172         { USB_DEVICE(0x1740, 0x0615) },
1173         /* Linksys */
1174         { USB_DEVICE(0x1737, 0x0077) },
1175         { USB_DEVICE(0x1737, 0x0078) },
1176         /* Logitec */
1177         { USB_DEVICE(0x0789, 0x0168) },
1178         { USB_DEVICE(0x0789, 0x0169) },
1179         /* Motorola */
1180         { USB_DEVICE(0x100d, 0x9032) },
1181         /* Ovislink */
1182         { USB_DEVICE(0x1b75, 0x3071) },
1183         { USB_DEVICE(0x1b75, 0x3072) },
1184         /* Pegatron */
1185         { USB_DEVICE(0x05a6, 0x0101) },
1186         { USB_DEVICE(0x1d4d, 0x0002) },
1187         { USB_DEVICE(0x1d4d, 0x0010) },
1188         /* Planex */
1189         { USB_DEVICE(0x2019, 0x5201) },
1190         { USB_DEVICE(0x2019, 0xab24) },
1191         /* Qcom */
1192         { USB_DEVICE(0x18e8, 0x6259) },
1193         /* RadioShack */
1194         { USB_DEVICE(0x08b9, 0x1197) },
1195         /* Sitecom */
1196         { USB_DEVICE(0x0df6, 0x003c) },
1197         { USB_DEVICE(0x0df6, 0x004a) },
1198         { USB_DEVICE(0x0df6, 0x004d) },
1199         { USB_DEVICE(0x0df6, 0x0053) },
1200         /* SMC */
1201         { USB_DEVICE(0x083a, 0xa512) },
1202         { USB_DEVICE(0x083a, 0xc522) },
1203         { USB_DEVICE(0x083a, 0xd522) },
1204         { USB_DEVICE(0x083a, 0xf511) },
1205         /* Sweex */
1206         { USB_DEVICE(0x177f, 0x0153) },
1207         { USB_DEVICE(0x177f, 0x0313) },
1208         /* Zyxel */
1209         { USB_DEVICE(0x0586, 0x341a) },
1210 #endif
1211         { 0, }
1212 };
1213
1214 MODULE_AUTHOR(DRV_PROJECT);
1215 MODULE_VERSION(DRV_VERSION);
1216 MODULE_DESCRIPTION("Ralink RT2800 USB Wireless LAN driver.");
1217 MODULE_SUPPORTED_DEVICE("Ralink RT2870 USB chipset based cards");
1218 MODULE_DEVICE_TABLE(usb, rt2800usb_device_table);
1219 MODULE_FIRMWARE(FIRMWARE_RT2870);
1220 MODULE_LICENSE("GPL");
1221
1222 static int rt2800usb_probe(struct usb_interface *usb_intf,
1223                            const struct usb_device_id *id)
1224 {
1225         return rt2x00usb_probe(usb_intf, &rt2800usb_ops);
1226 }
1227
1228 static struct usb_driver rt2800usb_driver = {
1229         .name           = KBUILD_MODNAME,
1230         .id_table       = rt2800usb_device_table,
1231         .probe          = rt2800usb_probe,
1232         .disconnect     = rt2x00usb_disconnect,
1233         .suspend        = rt2x00usb_suspend,
1234         .resume         = rt2x00usb_resume,
1235 };
1236
1237 module_usb_driver(rt2800usb_driver);