rt2800: add rt2800lib (part four)
[linux-3.10.git] / drivers / net / wireless / rt2x00 / rt2800usb.c
1 /*
2         Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
3         <http://rt2x00.serialmonkey.com>
4
5         This program is free software; you can redistribute it and/or modify
6         it under the terms of the GNU General Public License as published by
7         the Free Software Foundation; either version 2 of the License, or
8         (at your option) any later version.
9
10         This program is distributed in the hope that it will be useful,
11         but WITHOUT ANY WARRANTY; without even the implied warranty of
12         MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13         GNU General Public License for more details.
14
15         You should have received a copy of the GNU General Public License
16         along with this program; if not, write to the
17         Free Software Foundation, Inc.,
18         59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19  */
20
21 /*
22         Module: rt2800usb
23         Abstract: rt2800usb device specific routines.
24         Supported chipsets: RT2800U.
25  */
26
27 #include <linux/crc-ccitt.h>
28 #include <linux/delay.h>
29 #include <linux/etherdevice.h>
30 #include <linux/init.h>
31 #include <linux/kernel.h>
32 #include <linux/module.h>
33 #include <linux/usb.h>
34
35 #include "rt2x00.h"
36 #include "rt2x00usb.h"
37 #include "rt2800lib.h"
38 #include "rt2800.h"
39 #include "rt2800usb.h"
40
41 /*
42  * Allow hardware encryption to be disabled.
43  */
44 static int modparam_nohwcrypt = 1;
45 module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
46 MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
47
48 /*
49  * Firmware functions
50  */
51 static char *rt2800usb_get_firmware_name(struct rt2x00_dev *rt2x00dev)
52 {
53         return FIRMWARE_RT2870;
54 }
55
56 static bool rt2800usb_check_crc(const u8 *data, const size_t len)
57 {
58         u16 fw_crc;
59         u16 crc;
60
61         /*
62          * The last 2 bytes in the firmware array are the crc checksum itself,
63          * this means that we should never pass those 2 bytes to the crc
64          * algorithm.
65          */
66         fw_crc = (data[len - 2] << 8 | data[len - 1]);
67
68         /*
69          * Use the crc ccitt algorithm.
70          * This will return the same value as the legacy driver which
71          * used bit ordering reversion on the both the firmware bytes
72          * before input input as well as on the final output.
73          * Obviously using crc ccitt directly is much more efficient.
74          */
75         crc = crc_ccitt(~0, data, len - 2);
76
77         /*
78          * There is a small difference between the crc-itu-t + bitrev and
79          * the crc-ccitt crc calculation. In the latter method the 2 bytes
80          * will be swapped, use swab16 to convert the crc to the correct
81          * value.
82          */
83         crc = swab16(crc);
84
85         return fw_crc == crc;
86 }
87
88 static int rt2800usb_check_firmware(struct rt2x00_dev *rt2x00dev,
89                                     const u8 *data, const size_t len)
90 {
91         u16 chipset = (rt2x00_rev(&rt2x00dev->chip) >> 16) & 0xffff;
92         size_t offset = 0;
93
94         /*
95          * Firmware files:
96          * There are 2 variations of the rt2870 firmware.
97          * a) size: 4kb
98          * b) size: 8kb
99          * Note that (b) contains 2 seperate firmware blobs of 4k
100          * within the file. The first blob is the same firmware as (a),
101          * but the second blob is for the additional chipsets.
102          */
103         if (len != 4096 && len != 8192)
104                 return FW_BAD_LENGTH;
105
106         /*
107          * Check if we need the upper 4kb firmware data or not.
108          */
109         if ((len == 4096) &&
110             (chipset != 0x2860) &&
111             (chipset != 0x2872) &&
112             (chipset != 0x3070))
113                 return FW_BAD_VERSION;
114
115         /*
116          * 8kb firmware files must be checked as if it were
117          * 2 seperate firmware files.
118          */
119         while (offset < len) {
120                 if (!rt2800usb_check_crc(data + offset, 4096))
121                         return FW_BAD_CRC;
122
123                 offset += 4096;
124         }
125
126         return FW_OK;
127 }
128
129 static int rt2800usb_load_firmware(struct rt2x00_dev *rt2x00dev,
130                                    const u8 *data, const size_t len)
131 {
132         unsigned int i;
133         int status;
134         u32 reg;
135         u32 offset;
136         u32 length;
137         u16 chipset = (rt2x00_rev(&rt2x00dev->chip) >> 16) & 0xffff;
138
139         /*
140          * Check which section of the firmware we need.
141          */
142         if ((chipset == 0x2860) ||
143             (chipset == 0x2872) ||
144             (chipset == 0x3070)) {
145                 offset = 0;
146                 length = 4096;
147         } else {
148                 offset = 4096;
149                 length = 4096;
150         }
151
152         /*
153          * Wait for stable hardware.
154          */
155         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
156                 rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
157                 if (reg && reg != ~0)
158                         break;
159                 msleep(1);
160         }
161
162         if (i == REGISTER_BUSY_COUNT) {
163                 ERROR(rt2x00dev, "Unstable hardware.\n");
164                 return -EBUSY;
165         }
166
167         /*
168          * Write firmware to device.
169          */
170         rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE,
171                                             USB_VENDOR_REQUEST_OUT,
172                                             FIRMWARE_IMAGE_BASE,
173                                             data + offset, length,
174                                             REGISTER_TIMEOUT32(length));
175
176         rt2800_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0);
177         rt2800_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0);
178
179         /*
180          * Send firmware request to device to load firmware,
181          * we need to specify a long timeout time.
182          */
183         status = rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE,
184                                              0, USB_MODE_FIRMWARE,
185                                              REGISTER_TIMEOUT_FIRMWARE);
186         if (status < 0) {
187                 ERROR(rt2x00dev, "Failed to write Firmware to device.\n");
188                 return status;
189         }
190
191         msleep(10);
192         rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
193
194         /*
195          * Send signal to firmware during boot time.
196          */
197         rt2800_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0xff, 0, 0);
198
199         if ((chipset == 0x3070) ||
200             (chipset == 0x3071) ||
201             (chipset == 0x3572)) {
202                 udelay(200);
203                 rt2800_mcu_request(rt2x00dev, MCU_CURRENT, 0, 0, 0);
204                 udelay(10);
205         }
206
207         /*
208          * Wait for device to stabilize.
209          */
210         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
211                 rt2800_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
212                 if (rt2x00_get_field32(reg, PBF_SYS_CTRL_READY))
213                         break;
214                 msleep(1);
215         }
216
217         if (i == REGISTER_BUSY_COUNT) {
218                 ERROR(rt2x00dev, "PBF system register not ready.\n");
219                 return -EBUSY;
220         }
221
222         /*
223          * Initialize firmware.
224          */
225         rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
226         rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
227         msleep(1);
228
229         return 0;
230 }
231
232 /*
233  * Device state switch handlers.
234  */
235 static void rt2800usb_toggle_rx(struct rt2x00_dev *rt2x00dev,
236                                 enum dev_state state)
237 {
238         u32 reg;
239
240         rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
241         rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX,
242                            (state == STATE_RADIO_RX_ON) ||
243                            (state == STATE_RADIO_RX_ON_LINK));
244         rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
245 }
246
247 static int rt2800usb_wait_wpdma_ready(struct rt2x00_dev *rt2x00dev)
248 {
249         unsigned int i;
250         u32 reg;
251
252         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
253                 rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
254                 if (!rt2x00_get_field32(reg, WPDMA_GLO_CFG_TX_DMA_BUSY) &&
255                     !rt2x00_get_field32(reg, WPDMA_GLO_CFG_RX_DMA_BUSY))
256                         return 0;
257
258                 msleep(1);
259         }
260
261         ERROR(rt2x00dev, "WPDMA TX/RX busy, aborting.\n");
262         return -EACCES;
263 }
264
265 static int rt2800usb_enable_radio(struct rt2x00_dev *rt2x00dev)
266 {
267         u32 reg;
268         u16 word;
269
270         /*
271          * Initialize all registers.
272          */
273         if (unlikely(rt2800usb_wait_wpdma_ready(rt2x00dev) ||
274                      rt2800_init_registers(rt2x00dev) ||
275                      rt2800_init_bbp(rt2x00dev) ||
276                      rt2800_init_rfcsr(rt2x00dev)))
277                 return -EIO;
278
279         rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
280         rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 1);
281         rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
282
283         udelay(50);
284
285         rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
286         rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
287         rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 1);
288         rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 1);
289         rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
290
291
292         rt2800_register_read(rt2x00dev, USB_DMA_CFG, &reg);
293         rt2x00_set_field32(&reg, USB_DMA_CFG_PHY_CLEAR, 0);
294         /* Don't use bulk in aggregation when working with USB 1.1 */
295         rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_EN,
296                            (rt2x00dev->rx->usb_maxpacket == 512));
297         rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_TIMEOUT, 128);
298         /*
299          * Total room for RX frames in kilobytes, PBF might still exceed
300          * this limit so reduce the number to prevent errors.
301          */
302         rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_LIMIT,
303                            ((RX_ENTRIES * DATA_FRAME_SIZE) / 1024) - 3);
304         rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_EN, 1);
305         rt2x00_set_field32(&reg, USB_DMA_CFG_TX_BULK_EN, 1);
306         rt2800_register_write(rt2x00dev, USB_DMA_CFG, reg);
307
308         rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
309         rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 1);
310         rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 1);
311         rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
312
313         /*
314          * Initialize LED control
315          */
316         rt2x00_eeprom_read(rt2x00dev, EEPROM_LED1, &word);
317         rt2800_mcu_request(rt2x00dev, MCU_LED_1, 0xff,
318                               word & 0xff, (word >> 8) & 0xff);
319
320         rt2x00_eeprom_read(rt2x00dev, EEPROM_LED2, &word);
321         rt2800_mcu_request(rt2x00dev, MCU_LED_2, 0xff,
322                               word & 0xff, (word >> 8) & 0xff);
323
324         rt2x00_eeprom_read(rt2x00dev, EEPROM_LED3, &word);
325         rt2800_mcu_request(rt2x00dev, MCU_LED_3, 0xff,
326                               word & 0xff, (word >> 8) & 0xff);
327
328         return 0;
329 }
330
331 static void rt2800usb_disable_radio(struct rt2x00_dev *rt2x00dev)
332 {
333         u32 reg;
334
335         rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
336         rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
337         rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
338         rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
339
340         rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0);
341         rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0);
342         rt2800_register_write(rt2x00dev, TX_PIN_CFG, 0);
343
344         /* Wait for DMA, ignore error */
345         rt2800usb_wait_wpdma_ready(rt2x00dev);
346
347         rt2x00usb_disable_radio(rt2x00dev);
348 }
349
350 static int rt2800usb_set_state(struct rt2x00_dev *rt2x00dev,
351                                enum dev_state state)
352 {
353         if (state == STATE_AWAKE)
354                 rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, 0xff, 0, 0);
355         else
356                 rt2800_mcu_request(rt2x00dev, MCU_SLEEP, 0xff, 0, 2);
357
358         return 0;
359 }
360
361 static int rt2800usb_set_device_state(struct rt2x00_dev *rt2x00dev,
362                                       enum dev_state state)
363 {
364         int retval = 0;
365
366         switch (state) {
367         case STATE_RADIO_ON:
368                 /*
369                  * Before the radio can be enabled, the device first has
370                  * to be woken up. After that it needs a bit of time
371                  * to be fully awake and then the radio can be enabled.
372                  */
373                 rt2800usb_set_state(rt2x00dev, STATE_AWAKE);
374                 msleep(1);
375                 retval = rt2800usb_enable_radio(rt2x00dev);
376                 break;
377         case STATE_RADIO_OFF:
378                 /*
379                  * After the radio has been disabled, the device should
380                  * be put to sleep for powersaving.
381                  */
382                 rt2800usb_disable_radio(rt2x00dev);
383                 rt2800usb_set_state(rt2x00dev, STATE_SLEEP);
384                 break;
385         case STATE_RADIO_RX_ON:
386         case STATE_RADIO_RX_ON_LINK:
387         case STATE_RADIO_RX_OFF:
388         case STATE_RADIO_RX_OFF_LINK:
389                 rt2800usb_toggle_rx(rt2x00dev, state);
390                 break;
391         case STATE_RADIO_IRQ_ON:
392         case STATE_RADIO_IRQ_OFF:
393                 /* No support, but no error either */
394                 break;
395         case STATE_DEEP_SLEEP:
396         case STATE_SLEEP:
397         case STATE_STANDBY:
398         case STATE_AWAKE:
399                 retval = rt2800usb_set_state(rt2x00dev, state);
400                 break;
401         default:
402                 retval = -ENOTSUPP;
403                 break;
404         }
405
406         if (unlikely(retval))
407                 ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n",
408                       state, retval);
409
410         return retval;
411 }
412
413 /*
414  * TX descriptor initialization
415  */
416 static void rt2800usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
417                                     struct sk_buff *skb,
418                                     struct txentry_desc *txdesc)
419 {
420         struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
421         __le32 *txi = skbdesc->desc;
422         __le32 *txwi = &txi[TXINFO_DESC_SIZE / sizeof(__le32)];
423         u32 word;
424
425         /*
426          * Initialize TX Info descriptor
427          */
428         rt2x00_desc_read(txwi, 0, &word);
429         rt2x00_set_field32(&word, TXWI_W0_FRAG,
430                            test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
431         rt2x00_set_field32(&word, TXWI_W0_MIMO_PS, 0);
432         rt2x00_set_field32(&word, TXWI_W0_CF_ACK, 0);
433         rt2x00_set_field32(&word, TXWI_W0_TS,
434                            test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
435         rt2x00_set_field32(&word, TXWI_W0_AMPDU,
436                            test_bit(ENTRY_TXD_HT_AMPDU, &txdesc->flags));
437         rt2x00_set_field32(&word, TXWI_W0_MPDU_DENSITY, txdesc->mpdu_density);
438         rt2x00_set_field32(&word, TXWI_W0_TX_OP, txdesc->ifs);
439         rt2x00_set_field32(&word, TXWI_W0_MCS, txdesc->mcs);
440         rt2x00_set_field32(&word, TXWI_W0_BW,
441                            test_bit(ENTRY_TXD_HT_BW_40, &txdesc->flags));
442         rt2x00_set_field32(&word, TXWI_W0_SHORT_GI,
443                            test_bit(ENTRY_TXD_HT_SHORT_GI, &txdesc->flags));
444         rt2x00_set_field32(&word, TXWI_W0_STBC, txdesc->stbc);
445         rt2x00_set_field32(&word, TXWI_W0_PHYMODE, txdesc->rate_mode);
446         rt2x00_desc_write(txwi, 0, word);
447
448         rt2x00_desc_read(txwi, 1, &word);
449         rt2x00_set_field32(&word, TXWI_W1_ACK,
450                            test_bit(ENTRY_TXD_ACK, &txdesc->flags));
451         rt2x00_set_field32(&word, TXWI_W1_NSEQ,
452                            test_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags));
453         rt2x00_set_field32(&word, TXWI_W1_BW_WIN_SIZE, txdesc->ba_size);
454         rt2x00_set_field32(&word, TXWI_W1_WIRELESS_CLI_ID,
455                            test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags) ?
456                            txdesc->key_idx : 0xff);
457         rt2x00_set_field32(&word, TXWI_W1_MPDU_TOTAL_BYTE_COUNT,
458                            skb->len - txdesc->l2pad);
459         rt2x00_set_field32(&word, TXWI_W1_PACKETID,
460                            skbdesc->entry->queue->qid + 1);
461         rt2x00_desc_write(txwi, 1, word);
462
463         /*
464          * Always write 0 to IV/EIV fields, hardware will insert the IV
465          * from the IVEIV register when TXINFO_W0_WIV is set to 0.
466          * When TXINFO_W0_WIV is set to 1 it will use the IV data
467          * from the descriptor. The TXWI_W1_WIRELESS_CLI_ID indicates which
468          * crypto entry in the registers should be used to encrypt the frame.
469          */
470         _rt2x00_desc_write(txwi, 2, 0 /* skbdesc->iv[0] */);
471         _rt2x00_desc_write(txwi, 3, 0 /* skbdesc->iv[1] */);
472
473         /*
474          * Initialize TX descriptor
475          */
476         rt2x00_desc_read(txi, 0, &word);
477         rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_PKT_LEN,
478                            skb->len + TXWI_DESC_SIZE);
479         rt2x00_set_field32(&word, TXINFO_W0_WIV,
480                            !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags));
481         rt2x00_set_field32(&word, TXINFO_W0_QSEL, 2);
482         rt2x00_set_field32(&word, TXINFO_W0_SW_USE_LAST_ROUND, 0);
483         rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_NEXT_VALID, 0);
484         rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_BURST,
485                            test_bit(ENTRY_TXD_BURST, &txdesc->flags));
486         rt2x00_desc_write(txi, 0, word);
487 }
488
489 /*
490  * TX data initialization
491  */
492 static void rt2800usb_write_beacon(struct queue_entry *entry)
493 {
494         struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
495         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
496         unsigned int beacon_base;
497         u32 reg;
498
499         /*
500          * Add the descriptor in front of the skb.
501          */
502         skb_push(entry->skb, entry->queue->desc_size);
503         memcpy(entry->skb->data, skbdesc->desc, skbdesc->desc_len);
504         skbdesc->desc = entry->skb->data;
505
506         /*
507          * Disable beaconing while we are reloading the beacon data,
508          * otherwise we might be sending out invalid data.
509          */
510         rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
511         rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
512         rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
513
514         /*
515          * Write entire beacon with descriptor to register.
516          */
517         beacon_base = HW_BEACON_OFFSET(entry->entry_idx);
518         rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE,
519                                             USB_VENDOR_REQUEST_OUT, beacon_base,
520                                             entry->skb->data, entry->skb->len,
521                                             REGISTER_TIMEOUT32(entry->skb->len));
522
523         /*
524          * Clean up the beacon skb.
525          */
526         dev_kfree_skb(entry->skb);
527         entry->skb = NULL;
528 }
529
530 static int rt2800usb_get_tx_data_len(struct queue_entry *entry)
531 {
532         int length;
533
534         /*
535          * The length _must_ include 4 bytes padding,
536          * it should always be multiple of 4,
537          * but it must _not_ be a multiple of the USB packet size.
538          */
539         length = roundup(entry->skb->len + 4, 4);
540         length += (4 * !(length % entry->queue->usb_maxpacket));
541
542         return length;
543 }
544
545 static void rt2800usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
546                                     const enum data_queue_qid queue)
547 {
548         u32 reg;
549
550         if (queue != QID_BEACON) {
551                 rt2x00usb_kick_tx_queue(rt2x00dev, queue);
552                 return;
553         }
554
555         rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
556         if (!rt2x00_get_field32(reg, BCN_TIME_CFG_BEACON_GEN)) {
557                 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 1);
558                 rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 1);
559                 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 1);
560                 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
561         }
562 }
563
564 /*
565  * RX control handlers
566  */
567 static void rt2800usb_fill_rxdone(struct queue_entry *entry,
568                                   struct rxdone_entry_desc *rxdesc)
569 {
570         struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
571         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
572         __le32 *rxd = (__le32 *)entry->skb->data;
573         __le32 *rxwi;
574         u32 rxd0;
575         u32 rxwi0;
576         u32 rxwi1;
577         u32 rxwi2;
578         u32 rxwi3;
579
580         /*
581          * Copy descriptor to the skbdesc->desc buffer, making it safe from
582          * moving of frame data in rt2x00usb.
583          */
584         memcpy(skbdesc->desc, rxd, skbdesc->desc_len);
585         rxd = (__le32 *)skbdesc->desc;
586         rxwi = &rxd[RXINFO_DESC_SIZE / sizeof(__le32)];
587
588         /*
589          * It is now safe to read the descriptor on all architectures.
590          */
591         rt2x00_desc_read(rxd, 0, &rxd0);
592         rt2x00_desc_read(rxwi, 0, &rxwi0);
593         rt2x00_desc_read(rxwi, 1, &rxwi1);
594         rt2x00_desc_read(rxwi, 2, &rxwi2);
595         rt2x00_desc_read(rxwi, 3, &rxwi3);
596
597         if (rt2x00_get_field32(rxd0, RXD_W0_CRC_ERROR))
598                 rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
599
600         if (test_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags)) {
601                 rxdesc->cipher = rt2x00_get_field32(rxwi0, RXWI_W0_UDF);
602                 rxdesc->cipher_status =
603                     rt2x00_get_field32(rxd0, RXD_W0_CIPHER_ERROR);
604         }
605
606         if (rt2x00_get_field32(rxd0, RXD_W0_DECRYPTED)) {
607                 /*
608                  * Hardware has stripped IV/EIV data from 802.11 frame during
609                  * decryption. Unfortunately the descriptor doesn't contain
610                  * any fields with the EIV/IV data either, so they can't
611                  * be restored by rt2x00lib.
612                  */
613                 rxdesc->flags |= RX_FLAG_IV_STRIPPED;
614
615                 if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS)
616                         rxdesc->flags |= RX_FLAG_DECRYPTED;
617                 else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC)
618                         rxdesc->flags |= RX_FLAG_MMIC_ERROR;
619         }
620
621         if (rt2x00_get_field32(rxd0, RXD_W0_MY_BSS))
622                 rxdesc->dev_flags |= RXDONE_MY_BSS;
623
624         if (rt2x00_get_field32(rxd0, RXD_W0_L2PAD)) {
625                 rxdesc->dev_flags |= RXDONE_L2PAD;
626                 skbdesc->flags |= SKBDESC_L2_PADDED;
627         }
628
629         if (rt2x00_get_field32(rxwi1, RXWI_W1_SHORT_GI))
630                 rxdesc->flags |= RX_FLAG_SHORT_GI;
631
632         if (rt2x00_get_field32(rxwi1, RXWI_W1_BW))
633                 rxdesc->flags |= RX_FLAG_40MHZ;
634
635         /*
636          * Detect RX rate, always use MCS as signal type.
637          */
638         rxdesc->dev_flags |= RXDONE_SIGNAL_MCS;
639         rxdesc->rate_mode = rt2x00_get_field32(rxwi1, RXWI_W1_PHYMODE);
640         rxdesc->signal = rt2x00_get_field32(rxwi1, RXWI_W1_MCS);
641
642         /*
643          * Mask of 0x8 bit to remove the short preamble flag.
644          */
645         if (rxdesc->rate_mode == RATE_MODE_CCK)
646                 rxdesc->signal &= ~0x8;
647
648         rxdesc->rssi =
649             (rt2x00_get_field32(rxwi2, RXWI_W2_RSSI0) +
650              rt2x00_get_field32(rxwi2, RXWI_W2_RSSI1)) / 2;
651
652         rxdesc->noise =
653             (rt2x00_get_field32(rxwi3, RXWI_W3_SNR0) +
654              rt2x00_get_field32(rxwi3, RXWI_W3_SNR1)) / 2;
655
656         rxdesc->size = rt2x00_get_field32(rxwi0, RXWI_W0_MPDU_TOTAL_BYTE_COUNT);
657
658         /*
659          * Remove RXWI descriptor from start of buffer.
660          */
661         skb_pull(entry->skb, skbdesc->desc_len);
662         skb_trim(entry->skb, rxdesc->size);
663 }
664
665 /*
666  * Device probe functions.
667  */
668 static int rt2800usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
669 {
670         u16 word;
671         u8 *mac;
672         u8 default_lna_gain;
673
674         rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom, EEPROM_SIZE);
675
676         /*
677          * Start validation of the data that has been read.
678          */
679         mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
680         if (!is_valid_ether_addr(mac)) {
681                 random_ether_addr(mac);
682                 EEPROM(rt2x00dev, "MAC: %pM\n", mac);
683         }
684
685         rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
686         if (word == 0xffff) {
687                 rt2x00_set_field16(&word, EEPROM_ANTENNA_RXPATH, 2);
688                 rt2x00_set_field16(&word, EEPROM_ANTENNA_TXPATH, 1);
689                 rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF2820);
690                 rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
691                 EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word);
692         } else if (rt2x00_rev(&rt2x00dev->chip) < RT2883_VERSION) {
693                 /*
694                  * There is a max of 2 RX streams for RT2870 series
695                  */
696                 if (rt2x00_get_field16(word, EEPROM_ANTENNA_RXPATH) > 2)
697                         rt2x00_set_field16(&word, EEPROM_ANTENNA_RXPATH, 2);
698                 rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
699         }
700
701         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word);
702         if (word == 0xffff) {
703                 rt2x00_set_field16(&word, EEPROM_NIC_HW_RADIO, 0);
704                 rt2x00_set_field16(&word, EEPROM_NIC_DYNAMIC_TX_AGC, 0);
705                 rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA_BG, 0);
706                 rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA_A, 0);
707                 rt2x00_set_field16(&word, EEPROM_NIC_CARDBUS_ACCEL, 0);
708                 rt2x00_set_field16(&word, EEPROM_NIC_BW40M_SB_BG, 0);
709                 rt2x00_set_field16(&word, EEPROM_NIC_BW40M_SB_A, 0);
710                 rt2x00_set_field16(&word, EEPROM_NIC_WPS_PBC, 0);
711                 rt2x00_set_field16(&word, EEPROM_NIC_BW40M_BG, 0);
712                 rt2x00_set_field16(&word, EEPROM_NIC_BW40M_A, 0);
713                 rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word);
714                 EEPROM(rt2x00dev, "NIC: 0x%04x\n", word);
715         }
716
717         rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &word);
718         if ((word & 0x00ff) == 0x00ff) {
719                 rt2x00_set_field16(&word, EEPROM_FREQ_OFFSET, 0);
720                 rt2x00_set_field16(&word, EEPROM_FREQ_LED_MODE,
721                                    LED_MODE_TXRX_ACTIVITY);
722                 rt2x00_set_field16(&word, EEPROM_FREQ_LED_POLARITY, 0);
723                 rt2x00_eeprom_write(rt2x00dev, EEPROM_FREQ, word);
724                 rt2x00_eeprom_write(rt2x00dev, EEPROM_LED1, 0x5555);
725                 rt2x00_eeprom_write(rt2x00dev, EEPROM_LED2, 0x2221);
726                 rt2x00_eeprom_write(rt2x00dev, EEPROM_LED3, 0xa9f8);
727                 EEPROM(rt2x00dev, "Freq: 0x%04x\n", word);
728         }
729
730         /*
731          * During the LNA validation we are going to use
732          * lna0 as correct value. Note that EEPROM_LNA
733          * is never validated.
734          */
735         rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &word);
736         default_lna_gain = rt2x00_get_field16(word, EEPROM_LNA_A0);
737
738         rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG, &word);
739         if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET0)) > 10)
740                 rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET0, 0);
741         if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET1)) > 10)
742                 rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET1, 0);
743         rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_BG, word);
744
745         rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &word);
746         if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG2_OFFSET2)) > 10)
747                 rt2x00_set_field16(&word, EEPROM_RSSI_BG2_OFFSET2, 0);
748         if (rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0x00 ||
749             rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0xff)
750                 rt2x00_set_field16(&word, EEPROM_RSSI_BG2_LNA_A1,
751                                    default_lna_gain);
752         rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_BG2, word);
753
754         rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A, &word);
755         if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET0)) > 10)
756                 rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET0, 0);
757         if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET1)) > 10)
758                 rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET1, 0);
759         rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_A, word);
760
761         rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &word);
762         if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A2_OFFSET2)) > 10)
763                 rt2x00_set_field16(&word, EEPROM_RSSI_A2_OFFSET2, 0);
764         if (rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0x00 ||
765             rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0xff)
766                 rt2x00_set_field16(&word, EEPROM_RSSI_A2_LNA_A2,
767                                    default_lna_gain);
768         rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_A2, word);
769
770         return 0;
771 }
772
773 static int rt2800usb_init_eeprom(struct rt2x00_dev *rt2x00dev)
774 {
775         u32 reg;
776         u16 value;
777         u16 eeprom;
778
779         /*
780          * Read EEPROM word for configuration.
781          */
782         rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
783
784         /*
785          * Identify RF chipset.
786          */
787         value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
788         rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
789         rt2x00_set_chip(rt2x00dev, RT2870, value, reg);
790
791         /*
792          * The check for rt2860 is not a typo, some rt2870 hardware
793          * identifies itself as rt2860 in the CSR register.
794          */
795         if (!rt2x00_check_rev(&rt2x00dev->chip, 0xfff00000, 0x28600000) &&
796             !rt2x00_check_rev(&rt2x00dev->chip, 0xfff00000, 0x28700000) &&
797             !rt2x00_check_rev(&rt2x00dev->chip, 0xfff00000, 0x28800000) &&
798             !rt2x00_check_rev(&rt2x00dev->chip, 0xffff0000, 0x30700000)) {
799                 ERROR(rt2x00dev, "Invalid RT chipset detected.\n");
800                 return -ENODEV;
801         }
802
803         if (!rt2x00_rf(&rt2x00dev->chip, RF2820) &&
804             !rt2x00_rf(&rt2x00dev->chip, RF2850) &&
805             !rt2x00_rf(&rt2x00dev->chip, RF2720) &&
806             !rt2x00_rf(&rt2x00dev->chip, RF2750) &&
807             !rt2x00_rf(&rt2x00dev->chip, RF3020) &&
808             !rt2x00_rf(&rt2x00dev->chip, RF2020)) {
809                 ERROR(rt2x00dev, "Invalid RF chipset detected.\n");
810                 return -ENODEV;
811         }
812
813         /*
814          * Identify default antenna configuration.
815          */
816         rt2x00dev->default_ant.tx =
817             rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TXPATH);
818         rt2x00dev->default_ant.rx =
819             rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RXPATH);
820
821         /*
822          * Read frequency offset and RF programming sequence.
823          */
824         rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom);
825         rt2x00dev->freq_offset = rt2x00_get_field16(eeprom, EEPROM_FREQ_OFFSET);
826
827         /*
828          * Read external LNA informations.
829          */
830         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom);
831
832         if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA_A))
833                 __set_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags);
834         if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA_BG))
835                 __set_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags);
836
837         /*
838          * Detect if this device has an hardware controlled radio.
839          */
840         if (rt2x00_get_field16(eeprom, EEPROM_NIC_HW_RADIO))
841                 __set_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags);
842
843         /*
844          * Store led settings, for correct led behaviour.
845          */
846 #ifdef CONFIG_RT2X00_LIB_LEDS
847         rt2800_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO);
848         rt2800_init_led(rt2x00dev, &rt2x00dev->led_assoc, LED_TYPE_ASSOC);
849         rt2800_init_led(rt2x00dev, &rt2x00dev->led_qual, LED_TYPE_QUALITY);
850
851         rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ,
852                            &rt2x00dev->led_mcu_reg);
853 #endif /* CONFIG_RT2X00_LIB_LEDS */
854
855         return 0;
856 }
857
858 /*
859  * RF value list for rt2870
860  * Supports: 2.4 GHz (all) & 5.2 GHz (RF2850 & RF2750)
861  */
862 static const struct rf_channel rf_vals[] = {
863         { 1,  0x18402ecc, 0x184c0786, 0x1816b455, 0x1800510b },
864         { 2,  0x18402ecc, 0x184c0786, 0x18168a55, 0x1800519f },
865         { 3,  0x18402ecc, 0x184c078a, 0x18168a55, 0x1800518b },
866         { 4,  0x18402ecc, 0x184c078a, 0x18168a55, 0x1800519f },
867         { 5,  0x18402ecc, 0x184c078e, 0x18168a55, 0x1800518b },
868         { 6,  0x18402ecc, 0x184c078e, 0x18168a55, 0x1800519f },
869         { 7,  0x18402ecc, 0x184c0792, 0x18168a55, 0x1800518b },
870         { 8,  0x18402ecc, 0x184c0792, 0x18168a55, 0x1800519f },
871         { 9,  0x18402ecc, 0x184c0796, 0x18168a55, 0x1800518b },
872         { 10, 0x18402ecc, 0x184c0796, 0x18168a55, 0x1800519f },
873         { 11, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800518b },
874         { 12, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800519f },
875         { 13, 0x18402ecc, 0x184c079e, 0x18168a55, 0x1800518b },
876         { 14, 0x18402ecc, 0x184c07a2, 0x18168a55, 0x18005193 },
877
878         /* 802.11 UNI / HyperLan 2 */
879         { 36, 0x18402ecc, 0x184c099a, 0x18158a55, 0x180ed1a3 },
880         { 38, 0x18402ecc, 0x184c099e, 0x18158a55, 0x180ed193 },
881         { 40, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed183 },
882         { 44, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed1a3 },
883         { 46, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed18b },
884         { 48, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed19b },
885         { 52, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed193 },
886         { 54, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed1a3 },
887         { 56, 0x18402ec8, 0x184c068e, 0x18158a55, 0x180ed18b },
888         { 60, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed183 },
889         { 62, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed193 },
890         { 64, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed1a3 },
891
892         /* 802.11 HyperLan 2 */
893         { 100, 0x18402ec8, 0x184c06b2, 0x18178a55, 0x180ed783 },
894         { 102, 0x18402ec8, 0x184c06b2, 0x18578a55, 0x180ed793 },
895         { 104, 0x18402ec8, 0x185c06b2, 0x18578a55, 0x180ed1a3 },
896         { 108, 0x18402ecc, 0x185c0a32, 0x18578a55, 0x180ed193 },
897         { 110, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed183 },
898         { 112, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed19b },
899         { 116, 0x18402ecc, 0x184c0a3a, 0x18178a55, 0x180ed1a3 },
900         { 118, 0x18402ecc, 0x184c0a3e, 0x18178a55, 0x180ed193 },
901         { 120, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed183 },
902         { 124, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed193 },
903         { 126, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed15b },
904         { 128, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed1a3 },
905         { 132, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed18b },
906         { 134, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed193 },
907         { 136, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed19b },
908         { 140, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed183 },
909
910         /* 802.11 UNII */
911         { 149, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed1a7 },
912         { 151, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed187 },
913         { 153, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed18f },
914         { 157, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed19f },
915         { 159, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed1a7 },
916         { 161, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed187 },
917         { 165, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed197 },
918         { 167, 0x18402ec4, 0x184c03d2, 0x18179855, 0x1815531f },
919         { 169, 0x18402ec4, 0x184c03d2, 0x18179855, 0x18155327 },
920         { 171, 0x18402ec4, 0x184c03d6, 0x18179855, 0x18155307 },
921         { 173, 0x18402ec4, 0x184c03d6, 0x18179855, 0x1815530f },
922
923         /* 802.11 Japan */
924         { 184, 0x15002ccc, 0x1500491e, 0x1509be55, 0x150c0a0b },
925         { 188, 0x15002ccc, 0x15004922, 0x1509be55, 0x150c0a13 },
926         { 192, 0x15002ccc, 0x15004926, 0x1509be55, 0x150c0a1b },
927         { 196, 0x15002ccc, 0x1500492a, 0x1509be55, 0x150c0a23 },
928         { 208, 0x15002ccc, 0x1500493a, 0x1509be55, 0x150c0a13 },
929         { 212, 0x15002ccc, 0x1500493e, 0x1509be55, 0x150c0a1b },
930         { 216, 0x15002ccc, 0x15004982, 0x1509be55, 0x150c0a23 },
931 };
932
933 /*
934  * RF value list for rt3070
935  * Supports: 2.4 GHz
936  */
937 static const struct rf_channel rf_vals_3070[] = {
938         {1,  241, 2, 2 },
939         {2,  241, 2, 7 },
940         {3,  242, 2, 2 },
941         {4,  242, 2, 7 },
942         {5,  243, 2, 2 },
943         {6,  243, 2, 7 },
944         {7,  244, 2, 2 },
945         {8,  244, 2, 7 },
946         {9,  245, 2, 2 },
947         {10, 245, 2, 7 },
948         {11, 246, 2, 2 },
949         {12, 246, 2, 7 },
950         {13, 247, 2, 2 },
951         {14, 248, 2, 4 },
952 };
953
954 static int rt2800usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
955 {
956         struct hw_mode_spec *spec = &rt2x00dev->spec;
957         struct channel_info *info;
958         char *tx_power1;
959         char *tx_power2;
960         unsigned int i;
961         u16 eeprom;
962
963         /*
964          * Initialize all hw fields.
965          */
966         rt2x00dev->hw->flags =
967             IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
968             IEEE80211_HW_SIGNAL_DBM |
969             IEEE80211_HW_SUPPORTS_PS |
970             IEEE80211_HW_PS_NULLFUNC_STACK;
971         rt2x00dev->hw->extra_tx_headroom = TXINFO_DESC_SIZE + TXWI_DESC_SIZE;
972
973         SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
974         SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
975                                 rt2x00_eeprom_addr(rt2x00dev,
976                                                    EEPROM_MAC_ADDR_0));
977
978         rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
979
980         /*
981          * Initialize HT information.
982          */
983         spec->ht.ht_supported = true;
984         spec->ht.cap =
985             IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
986             IEEE80211_HT_CAP_GRN_FLD |
987             IEEE80211_HT_CAP_SGI_20 |
988             IEEE80211_HT_CAP_SGI_40 |
989             IEEE80211_HT_CAP_TX_STBC |
990             IEEE80211_HT_CAP_RX_STBC |
991             IEEE80211_HT_CAP_PSMP_SUPPORT;
992         spec->ht.ampdu_factor = 3;
993         spec->ht.ampdu_density = 4;
994         spec->ht.mcs.tx_params =
995             IEEE80211_HT_MCS_TX_DEFINED |
996             IEEE80211_HT_MCS_TX_RX_DIFF |
997             ((rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TXPATH) - 1) <<
998                 IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT);
999
1000         switch (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RXPATH)) {
1001         case 3:
1002                 spec->ht.mcs.rx_mask[2] = 0xff;
1003         case 2:
1004                 spec->ht.mcs.rx_mask[1] = 0xff;
1005         case 1:
1006                 spec->ht.mcs.rx_mask[0] = 0xff;
1007                 spec->ht.mcs.rx_mask[4] = 0x1; /* MCS32 */
1008                 break;
1009         }
1010
1011         /*
1012          * Initialize hw_mode information.
1013          */
1014         spec->supported_bands = SUPPORT_BAND_2GHZ;
1015         spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
1016
1017         if (rt2x00_rf(&rt2x00dev->chip, RF2820) ||
1018             rt2x00_rf(&rt2x00dev->chip, RF2720)) {
1019                 spec->num_channels = 14;
1020                 spec->channels = rf_vals;
1021         } else if (rt2x00_rf(&rt2x00dev->chip, RF2850) ||
1022                    rt2x00_rf(&rt2x00dev->chip, RF2750)) {
1023                 spec->supported_bands |= SUPPORT_BAND_5GHZ;
1024                 spec->num_channels = ARRAY_SIZE(rf_vals);
1025                 spec->channels = rf_vals;
1026         } else if (rt2x00_rf(&rt2x00dev->chip, RF3020) ||
1027                    rt2x00_rf(&rt2x00dev->chip, RF2020)) {
1028                 spec->num_channels = ARRAY_SIZE(rf_vals_3070);
1029                 spec->channels = rf_vals_3070;
1030         }
1031
1032         /*
1033          * Create channel information array
1034          */
1035         info = kzalloc(spec->num_channels * sizeof(*info), GFP_KERNEL);
1036         if (!info)
1037                 return -ENOMEM;
1038
1039         spec->channels_info = info;
1040
1041         tx_power1 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG1);
1042         tx_power2 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG2);
1043
1044         for (i = 0; i < 14; i++) {
1045                 info[i].tx_power1 = TXPOWER_G_FROM_DEV(tx_power1[i]);
1046                 info[i].tx_power2 = TXPOWER_G_FROM_DEV(tx_power2[i]);
1047         }
1048
1049         if (spec->num_channels > 14) {
1050                 tx_power1 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A1);
1051                 tx_power2 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A2);
1052
1053                 for (i = 14; i < spec->num_channels; i++) {
1054                         info[i].tx_power1 = TXPOWER_A_FROM_DEV(tx_power1[i]);
1055                         info[i].tx_power2 = TXPOWER_A_FROM_DEV(tx_power2[i]);
1056                 }
1057         }
1058
1059         return 0;
1060 }
1061
1062 static const struct rt2800_ops rt2800usb_rt2800_ops = {
1063         .register_read          = rt2x00usb_register_read,
1064         .register_write         = rt2x00usb_register_write,
1065         .register_write_lock    = rt2x00usb_register_write_lock,
1066
1067         .register_multiread     = rt2x00usb_register_multiread,
1068         .register_multiwrite    = rt2x00usb_register_multiwrite,
1069
1070         .regbusy_read           = rt2x00usb_regbusy_read,
1071 };
1072
1073 static int rt2800usb_probe_hw(struct rt2x00_dev *rt2x00dev)
1074 {
1075         int retval;
1076
1077         rt2x00_set_chip_intf(rt2x00dev, RT2X00_CHIP_INTF_USB);
1078
1079         rt2x00dev->priv = (void *)&rt2800usb_rt2800_ops;
1080
1081         /*
1082          * Allocate eeprom data.
1083          */
1084         retval = rt2800usb_validate_eeprom(rt2x00dev);
1085         if (retval)
1086                 return retval;
1087
1088         retval = rt2800usb_init_eeprom(rt2x00dev);
1089         if (retval)
1090                 return retval;
1091
1092         /*
1093          * Initialize hw specifications.
1094          */
1095         retval = rt2800usb_probe_hw_mode(rt2x00dev);
1096         if (retval)
1097                 return retval;
1098
1099         /*
1100          * This device has multiple filters for control frames
1101          * and has a separate filter for PS Poll frames.
1102          */
1103         __set_bit(DRIVER_SUPPORT_CONTROL_FILTERS, &rt2x00dev->flags);
1104         __set_bit(DRIVER_SUPPORT_CONTROL_FILTER_PSPOLL, &rt2x00dev->flags);
1105
1106         /*
1107          * This device requires firmware.
1108          */
1109         __set_bit(DRIVER_REQUIRE_FIRMWARE, &rt2x00dev->flags);
1110         __set_bit(DRIVER_REQUIRE_L2PAD, &rt2x00dev->flags);
1111         if (!modparam_nohwcrypt)
1112                 __set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags);
1113
1114         /*
1115          * Set the rssi offset.
1116          */
1117         rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
1118
1119         return 0;
1120 }
1121
1122 static const struct rt2x00lib_ops rt2800usb_rt2x00_ops = {
1123         .probe_hw               = rt2800usb_probe_hw,
1124         .get_firmware_name      = rt2800usb_get_firmware_name,
1125         .check_firmware         = rt2800usb_check_firmware,
1126         .load_firmware          = rt2800usb_load_firmware,
1127         .initialize             = rt2x00usb_initialize,
1128         .uninitialize           = rt2x00usb_uninitialize,
1129         .clear_entry            = rt2x00usb_clear_entry,
1130         .set_device_state       = rt2800usb_set_device_state,
1131         .rfkill_poll            = rt2800_rfkill_poll,
1132         .link_stats             = rt2800_link_stats,
1133         .reset_tuner            = rt2800_reset_tuner,
1134         .link_tuner             = rt2800_link_tuner,
1135         .write_tx_desc          = rt2800usb_write_tx_desc,
1136         .write_tx_data          = rt2x00usb_write_tx_data,
1137         .write_beacon           = rt2800usb_write_beacon,
1138         .get_tx_data_len        = rt2800usb_get_tx_data_len,
1139         .kick_tx_queue          = rt2800usb_kick_tx_queue,
1140         .kill_tx_queue          = rt2x00usb_kill_tx_queue,
1141         .fill_rxdone            = rt2800usb_fill_rxdone,
1142         .config_shared_key      = rt2800_config_shared_key,
1143         .config_pairwise_key    = rt2800_config_pairwise_key,
1144         .config_filter          = rt2800_config_filter,
1145         .config_intf            = rt2800_config_intf,
1146         .config_erp             = rt2800_config_erp,
1147         .config_ant             = rt2800_config_ant,
1148         .config                 = rt2800_config,
1149 };
1150
1151 static const struct data_queue_desc rt2800usb_queue_rx = {
1152         .entry_num              = RX_ENTRIES,
1153         .data_size              = AGGREGATION_SIZE,
1154         .desc_size              = RXINFO_DESC_SIZE + RXWI_DESC_SIZE,
1155         .priv_size              = sizeof(struct queue_entry_priv_usb),
1156 };
1157
1158 static const struct data_queue_desc rt2800usb_queue_tx = {
1159         .entry_num              = TX_ENTRIES,
1160         .data_size              = AGGREGATION_SIZE,
1161         .desc_size              = TXINFO_DESC_SIZE + TXWI_DESC_SIZE,
1162         .priv_size              = sizeof(struct queue_entry_priv_usb),
1163 };
1164
1165 static const struct data_queue_desc rt2800usb_queue_bcn = {
1166         .entry_num              = 8 * BEACON_ENTRIES,
1167         .data_size              = MGMT_FRAME_SIZE,
1168         .desc_size              = TXINFO_DESC_SIZE + TXWI_DESC_SIZE,
1169         .priv_size              = sizeof(struct queue_entry_priv_usb),
1170 };
1171
1172 static const struct rt2x00_ops rt2800usb_ops = {
1173         .name           = KBUILD_MODNAME,
1174         .max_sta_intf   = 1,
1175         .max_ap_intf    = 8,
1176         .eeprom_size    = EEPROM_SIZE,
1177         .rf_size        = RF_SIZE,
1178         .tx_queues      = NUM_TX_QUEUES,
1179         .rx             = &rt2800usb_queue_rx,
1180         .tx             = &rt2800usb_queue_tx,
1181         .bcn            = &rt2800usb_queue_bcn,
1182         .lib            = &rt2800usb_rt2x00_ops,
1183         .hw             = &rt2800_mac80211_ops,
1184 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
1185         .debugfs        = &rt2800_rt2x00debug,
1186 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
1187 };
1188
1189 /*
1190  * rt2800usb module information.
1191  */
1192 static struct usb_device_id rt2800usb_device_table[] = {
1193         /* Abocom */
1194         { USB_DEVICE(0x07b8, 0x2870), USB_DEVICE_DATA(&rt2800usb_ops) },
1195         { USB_DEVICE(0x07b8, 0x2770), USB_DEVICE_DATA(&rt2800usb_ops) },
1196         { USB_DEVICE(0x07b8, 0x3070), USB_DEVICE_DATA(&rt2800usb_ops) },
1197         { USB_DEVICE(0x07b8, 0x3071), USB_DEVICE_DATA(&rt2800usb_ops) },
1198         { USB_DEVICE(0x07b8, 0x3072), USB_DEVICE_DATA(&rt2800usb_ops) },
1199         { USB_DEVICE(0x1482, 0x3c09), USB_DEVICE_DATA(&rt2800usb_ops) },
1200         /* AirTies */
1201         { USB_DEVICE(0x1eda, 0x2310), USB_DEVICE_DATA(&rt2800usb_ops) },
1202         /* Amigo */
1203         { USB_DEVICE(0x0e0b, 0x9031), USB_DEVICE_DATA(&rt2800usb_ops) },
1204         { USB_DEVICE(0x0e0b, 0x9041), USB_DEVICE_DATA(&rt2800usb_ops) },
1205         /* Amit */
1206         { USB_DEVICE(0x15c5, 0x0008), USB_DEVICE_DATA(&rt2800usb_ops) },
1207         /* ASUS */
1208         { USB_DEVICE(0x0b05, 0x1731), USB_DEVICE_DATA(&rt2800usb_ops) },
1209         { USB_DEVICE(0x0b05, 0x1732), USB_DEVICE_DATA(&rt2800usb_ops) },
1210         { USB_DEVICE(0x0b05, 0x1742), USB_DEVICE_DATA(&rt2800usb_ops) },
1211         { USB_DEVICE(0x0b05, 0x1760), USB_DEVICE_DATA(&rt2800usb_ops) },
1212         { USB_DEVICE(0x0b05, 0x1761), USB_DEVICE_DATA(&rt2800usb_ops) },
1213         /* AzureWave */
1214         { USB_DEVICE(0x13d3, 0x3247), USB_DEVICE_DATA(&rt2800usb_ops) },
1215         { USB_DEVICE(0x13d3, 0x3262), USB_DEVICE_DATA(&rt2800usb_ops) },
1216         { USB_DEVICE(0x13d3, 0x3273), USB_DEVICE_DATA(&rt2800usb_ops) },
1217         { USB_DEVICE(0x13d3, 0x3284), USB_DEVICE_DATA(&rt2800usb_ops) },
1218         /* Belkin */
1219         { USB_DEVICE(0x050d, 0x8053), USB_DEVICE_DATA(&rt2800usb_ops) },
1220         { USB_DEVICE(0x050d, 0x805c), USB_DEVICE_DATA(&rt2800usb_ops) },
1221         { USB_DEVICE(0x050d, 0x815c), USB_DEVICE_DATA(&rt2800usb_ops) },
1222         { USB_DEVICE(0x050d, 0x825a), USB_DEVICE_DATA(&rt2800usb_ops) },
1223         /* Buffalo */
1224         { USB_DEVICE(0x0411, 0x00e8), USB_DEVICE_DATA(&rt2800usb_ops) },
1225         { USB_DEVICE(0x0411, 0x012e), USB_DEVICE_DATA(&rt2800usb_ops) },
1226         /* Conceptronic */
1227         { USB_DEVICE(0x14b2, 0x3c06), USB_DEVICE_DATA(&rt2800usb_ops) },
1228         { USB_DEVICE(0x14b2, 0x3c07), USB_DEVICE_DATA(&rt2800usb_ops) },
1229         { USB_DEVICE(0x14b2, 0x3c08), USB_DEVICE_DATA(&rt2800usb_ops) },
1230         { USB_DEVICE(0x14b2, 0x3c09), USB_DEVICE_DATA(&rt2800usb_ops) },
1231         { USB_DEVICE(0x14b2, 0x3c11), USB_DEVICE_DATA(&rt2800usb_ops) },
1232         { USB_DEVICE(0x14b2, 0x3c12), USB_DEVICE_DATA(&rt2800usb_ops) },
1233         { USB_DEVICE(0x14b2, 0x3c23), USB_DEVICE_DATA(&rt2800usb_ops) },
1234         { USB_DEVICE(0x14b2, 0x3c25), USB_DEVICE_DATA(&rt2800usb_ops) },
1235         { USB_DEVICE(0x14b2, 0x3c27), USB_DEVICE_DATA(&rt2800usb_ops) },
1236         { USB_DEVICE(0x14b2, 0x3c28), USB_DEVICE_DATA(&rt2800usb_ops) },
1237         /* Corega */
1238         { USB_DEVICE(0x07aa, 0x002f), USB_DEVICE_DATA(&rt2800usb_ops) },
1239         { USB_DEVICE(0x07aa, 0x003c), USB_DEVICE_DATA(&rt2800usb_ops) },
1240         { USB_DEVICE(0x07aa, 0x003f), USB_DEVICE_DATA(&rt2800usb_ops) },
1241         { USB_DEVICE(0x18c5, 0x0008), USB_DEVICE_DATA(&rt2800usb_ops) },
1242         { USB_DEVICE(0x18c5, 0x0012), USB_DEVICE_DATA(&rt2800usb_ops) },
1243         /* D-Link */
1244         { USB_DEVICE(0x07d1, 0x3c09), USB_DEVICE_DATA(&rt2800usb_ops) },
1245         { USB_DEVICE(0x07d1, 0x3c0a), USB_DEVICE_DATA(&rt2800usb_ops) },
1246         { USB_DEVICE(0x07d1, 0x3c0b), USB_DEVICE_DATA(&rt2800usb_ops) },
1247         { USB_DEVICE(0x07d1, 0x3c0d), USB_DEVICE_DATA(&rt2800usb_ops) },
1248         { USB_DEVICE(0x07d1, 0x3c0e), USB_DEVICE_DATA(&rt2800usb_ops) },
1249         { USB_DEVICE(0x07d1, 0x3c0f), USB_DEVICE_DATA(&rt2800usb_ops) },
1250         { USB_DEVICE(0x07d1, 0x3c11), USB_DEVICE_DATA(&rt2800usb_ops) },
1251         { USB_DEVICE(0x07d1, 0x3c13), USB_DEVICE_DATA(&rt2800usb_ops) },
1252         /* Edimax */
1253         { USB_DEVICE(0x7392, 0x7711), USB_DEVICE_DATA(&rt2800usb_ops) },
1254         { USB_DEVICE(0x7392, 0x7717), USB_DEVICE_DATA(&rt2800usb_ops) },
1255         { USB_DEVICE(0x7392, 0x7718), USB_DEVICE_DATA(&rt2800usb_ops) },
1256         /* Encore */
1257         { USB_DEVICE(0x203d, 0x1480), USB_DEVICE_DATA(&rt2800usb_ops) },
1258         /* EnGenius */
1259         { USB_DEVICE(0X1740, 0x9701), USB_DEVICE_DATA(&rt2800usb_ops) },
1260         { USB_DEVICE(0x1740, 0x9702), USB_DEVICE_DATA(&rt2800usb_ops) },
1261         { USB_DEVICE(0x1740, 0x9703), USB_DEVICE_DATA(&rt2800usb_ops) },
1262         { USB_DEVICE(0x1740, 0x9705), USB_DEVICE_DATA(&rt2800usb_ops) },
1263         { USB_DEVICE(0x1740, 0x9706), USB_DEVICE_DATA(&rt2800usb_ops) },
1264         { USB_DEVICE(0x1740, 0x9801), USB_DEVICE_DATA(&rt2800usb_ops) },
1265         /* Gemtek */
1266         { USB_DEVICE(0x15a9, 0x0010), USB_DEVICE_DATA(&rt2800usb_ops) },
1267         /* Gigabyte */
1268         { USB_DEVICE(0x1044, 0x800b), USB_DEVICE_DATA(&rt2800usb_ops) },
1269         { USB_DEVICE(0x1044, 0x800c), USB_DEVICE_DATA(&rt2800usb_ops) },
1270         { USB_DEVICE(0x1044, 0x800d), USB_DEVICE_DATA(&rt2800usb_ops) },
1271         /* Hawking */
1272         { USB_DEVICE(0x0e66, 0x0001), USB_DEVICE_DATA(&rt2800usb_ops) },
1273         { USB_DEVICE(0x0e66, 0x0003), USB_DEVICE_DATA(&rt2800usb_ops) },
1274         { USB_DEVICE(0x0e66, 0x0009), USB_DEVICE_DATA(&rt2800usb_ops) },
1275         { USB_DEVICE(0x0e66, 0x000b), USB_DEVICE_DATA(&rt2800usb_ops) },
1276         /* I-O DATA */
1277         { USB_DEVICE(0x04bb, 0x0945), USB_DEVICE_DATA(&rt2800usb_ops) },
1278         /* LevelOne */
1279         { USB_DEVICE(0x1740, 0x0605), USB_DEVICE_DATA(&rt2800usb_ops) },
1280         { USB_DEVICE(0x1740, 0x0615), USB_DEVICE_DATA(&rt2800usb_ops) },
1281         /* Linksys */
1282         { USB_DEVICE(0x1737, 0x0070), USB_DEVICE_DATA(&rt2800usb_ops) },
1283         { USB_DEVICE(0x1737, 0x0071), USB_DEVICE_DATA(&rt2800usb_ops) },
1284         { USB_DEVICE(0x1737, 0x0077), USB_DEVICE_DATA(&rt2800usb_ops) },
1285         /* Logitec */
1286         { USB_DEVICE(0x0789, 0x0162), USB_DEVICE_DATA(&rt2800usb_ops) },
1287         { USB_DEVICE(0x0789, 0x0163), USB_DEVICE_DATA(&rt2800usb_ops) },
1288         { USB_DEVICE(0x0789, 0x0164), USB_DEVICE_DATA(&rt2800usb_ops) },
1289         /* Motorola */
1290         { USB_DEVICE(0x100d, 0x9031), USB_DEVICE_DATA(&rt2800usb_ops) },
1291         { USB_DEVICE(0x100d, 0x9032), USB_DEVICE_DATA(&rt2800usb_ops) },
1292         /* Ovislink */
1293         { USB_DEVICE(0x1b75, 0x3072), USB_DEVICE_DATA(&rt2800usb_ops) },
1294         /* Pegatron */
1295         { USB_DEVICE(0x1d4d, 0x0002), USB_DEVICE_DATA(&rt2800usb_ops) },
1296         { USB_DEVICE(0x1d4d, 0x000c), USB_DEVICE_DATA(&rt2800usb_ops) },
1297         { USB_DEVICE(0x1d4d, 0x000e), USB_DEVICE_DATA(&rt2800usb_ops) },
1298         /* Philips */
1299         { USB_DEVICE(0x0471, 0x200f), USB_DEVICE_DATA(&rt2800usb_ops) },
1300         /* Planex */
1301         { USB_DEVICE(0x2019, 0xed06), USB_DEVICE_DATA(&rt2800usb_ops) },
1302         { USB_DEVICE(0x2019, 0xab24), USB_DEVICE_DATA(&rt2800usb_ops) },
1303         { USB_DEVICE(0x2019, 0xab25), USB_DEVICE_DATA(&rt2800usb_ops) },
1304         /* Qcom */
1305         { USB_DEVICE(0x18e8, 0x6259), USB_DEVICE_DATA(&rt2800usb_ops) },
1306         /* Quanta */
1307         { USB_DEVICE(0x1a32, 0x0304), USB_DEVICE_DATA(&rt2800usb_ops) },
1308         /* Ralink */
1309         { USB_DEVICE(0x0db0, 0x3820), USB_DEVICE_DATA(&rt2800usb_ops) },
1310         { USB_DEVICE(0x0db0, 0x6899), USB_DEVICE_DATA(&rt2800usb_ops) },
1311         { USB_DEVICE(0x148f, 0x2070), USB_DEVICE_DATA(&rt2800usb_ops) },
1312         { USB_DEVICE(0x148f, 0x2770), USB_DEVICE_DATA(&rt2800usb_ops) },
1313         { USB_DEVICE(0x148f, 0x2870), USB_DEVICE_DATA(&rt2800usb_ops) },
1314         { USB_DEVICE(0x148f, 0x3070), USB_DEVICE_DATA(&rt2800usb_ops) },
1315         { USB_DEVICE(0x148f, 0x3071), USB_DEVICE_DATA(&rt2800usb_ops) },
1316         { USB_DEVICE(0x148f, 0x3072), USB_DEVICE_DATA(&rt2800usb_ops) },
1317         { USB_DEVICE(0x148f, 0x3572), USB_DEVICE_DATA(&rt2800usb_ops) },
1318         /* Samsung */
1319         { USB_DEVICE(0x04e8, 0x2018), USB_DEVICE_DATA(&rt2800usb_ops) },
1320         /* Siemens */
1321         { USB_DEVICE(0x129b, 0x1828), USB_DEVICE_DATA(&rt2800usb_ops) },
1322         /* Sitecom */
1323         { USB_DEVICE(0x0df6, 0x0017), USB_DEVICE_DATA(&rt2800usb_ops) },
1324         { USB_DEVICE(0x0df6, 0x002b), USB_DEVICE_DATA(&rt2800usb_ops) },
1325         { USB_DEVICE(0x0df6, 0x002c), USB_DEVICE_DATA(&rt2800usb_ops) },
1326         { USB_DEVICE(0x0df6, 0x002d), USB_DEVICE_DATA(&rt2800usb_ops) },
1327         { USB_DEVICE(0x0df6, 0x0039), USB_DEVICE_DATA(&rt2800usb_ops) },
1328         { USB_DEVICE(0x0df6, 0x003b), USB_DEVICE_DATA(&rt2800usb_ops) },
1329         { USB_DEVICE(0x0df6, 0x003c), USB_DEVICE_DATA(&rt2800usb_ops) },
1330         { USB_DEVICE(0x0df6, 0x003d), USB_DEVICE_DATA(&rt2800usb_ops) },
1331         { USB_DEVICE(0x0df6, 0x003e), USB_DEVICE_DATA(&rt2800usb_ops) },
1332         { USB_DEVICE(0x0df6, 0x003f), USB_DEVICE_DATA(&rt2800usb_ops) },
1333         { USB_DEVICE(0x0df6, 0x0040), USB_DEVICE_DATA(&rt2800usb_ops) },
1334         { USB_DEVICE(0x0df6, 0x0042), USB_DEVICE_DATA(&rt2800usb_ops) },
1335         /* SMC */
1336         { USB_DEVICE(0x083a, 0x6618), USB_DEVICE_DATA(&rt2800usb_ops) },
1337         { USB_DEVICE(0x083a, 0x7511), USB_DEVICE_DATA(&rt2800usb_ops) },
1338         { USB_DEVICE(0x083a, 0x7512), USB_DEVICE_DATA(&rt2800usb_ops) },
1339         { USB_DEVICE(0x083a, 0x7522), USB_DEVICE_DATA(&rt2800usb_ops) },
1340         { USB_DEVICE(0x083a, 0x8522), USB_DEVICE_DATA(&rt2800usb_ops) },
1341         { USB_DEVICE(0x083a, 0xa512), USB_DEVICE_DATA(&rt2800usb_ops) },
1342         { USB_DEVICE(0x083a, 0xa618), USB_DEVICE_DATA(&rt2800usb_ops) },
1343         { USB_DEVICE(0x083a, 0xb522), USB_DEVICE_DATA(&rt2800usb_ops) },
1344         { USB_DEVICE(0x083a, 0xc522), USB_DEVICE_DATA(&rt2800usb_ops) },
1345         /* Sparklan */
1346         { USB_DEVICE(0x15a9, 0x0006), USB_DEVICE_DATA(&rt2800usb_ops) },
1347         /* Sweex */
1348         { USB_DEVICE(0x177f, 0x0153), USB_DEVICE_DATA(&rt2800usb_ops) },
1349         { USB_DEVICE(0x177f, 0x0302), USB_DEVICE_DATA(&rt2800usb_ops) },
1350         { USB_DEVICE(0x177f, 0x0313), USB_DEVICE_DATA(&rt2800usb_ops) },
1351         /* U-Media*/
1352         { USB_DEVICE(0x157e, 0x300e), USB_DEVICE_DATA(&rt2800usb_ops) },
1353         /* ZCOM */
1354         { USB_DEVICE(0x0cde, 0x0022), USB_DEVICE_DATA(&rt2800usb_ops) },
1355         { USB_DEVICE(0x0cde, 0x0025), USB_DEVICE_DATA(&rt2800usb_ops) },
1356         /* Zinwell */
1357         { USB_DEVICE(0x5a57, 0x0280), USB_DEVICE_DATA(&rt2800usb_ops) },
1358         { USB_DEVICE(0x5a57, 0x0282), USB_DEVICE_DATA(&rt2800usb_ops) },
1359         { USB_DEVICE(0x5a57, 0x0283), USB_DEVICE_DATA(&rt2800usb_ops) },
1360         { USB_DEVICE(0x5a57, 0x5257), USB_DEVICE_DATA(&rt2800usb_ops) },
1361         /* Zyxel */
1362         { USB_DEVICE(0x0586, 0x3416), USB_DEVICE_DATA(&rt2800usb_ops) },
1363         { USB_DEVICE(0x0586, 0x341a), USB_DEVICE_DATA(&rt2800usb_ops) },
1364         { 0, }
1365 };
1366
1367 MODULE_AUTHOR(DRV_PROJECT);
1368 MODULE_VERSION(DRV_VERSION);
1369 MODULE_DESCRIPTION("Ralink RT2800 USB Wireless LAN driver.");
1370 MODULE_SUPPORTED_DEVICE("Ralink RT2870 USB chipset based cards");
1371 MODULE_DEVICE_TABLE(usb, rt2800usb_device_table);
1372 MODULE_FIRMWARE(FIRMWARE_RT2870);
1373 MODULE_LICENSE("GPL");
1374
1375 static struct usb_driver rt2800usb_driver = {
1376         .name           = KBUILD_MODNAME,
1377         .id_table       = rt2800usb_device_table,
1378         .probe          = rt2x00usb_probe,
1379         .disconnect     = rt2x00usb_disconnect,
1380         .suspend        = rt2x00usb_suspend,
1381         .resume         = rt2x00usb_resume,
1382 };
1383
1384 static int __init rt2800usb_init(void)
1385 {
1386         return usb_register(&rt2800usb_driver);
1387 }
1388
1389 static void __exit rt2800usb_exit(void)
1390 {
1391         usb_deregister(&rt2800usb_driver);
1392 }
1393
1394 module_init(rt2800usb_init);
1395 module_exit(rt2800usb_exit);