029be3c6c030971f6aec1d9326e43185a8b6479a
[linux-2.6.git] / drivers / net / wireless / rt2x00 / rt73usb.c
1 /*
2         Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
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: rt73usb
23         Abstract: rt73usb device specific routines.
24         Supported chipsets: rt2571W & rt2671.
25  */
26
27 #include <linux/crc-itu-t.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/slab.h>
34 #include <linux/usb.h>
35
36 #include "rt2x00.h"
37 #include "rt2x00usb.h"
38 #include "rt73usb.h"
39
40 /*
41  * Allow hardware encryption to be disabled.
42  */
43 static int modparam_nohwcrypt;
44 module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
45 MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
46
47 /*
48  * Register access.
49  * All access to the CSR registers will go through the methods
50  * rt2x00usb_register_read and rt2x00usb_register_write.
51  * BBP and RF register require indirect register access,
52  * and use the CSR registers BBPCSR and RFCSR to achieve this.
53  * These indirect registers work with busy bits,
54  * and we will try maximal REGISTER_BUSY_COUNT times to access
55  * the register while taking a REGISTER_BUSY_DELAY us delay
56  * between each attampt. When the busy bit is still set at that time,
57  * the access attempt is considered to have failed,
58  * and we will print an error.
59  * The _lock versions must be used if you already hold the csr_mutex
60  */
61 #define WAIT_FOR_BBP(__dev, __reg) \
62         rt2x00usb_regbusy_read((__dev), PHY_CSR3, PHY_CSR3_BUSY, (__reg))
63 #define WAIT_FOR_RF(__dev, __reg) \
64         rt2x00usb_regbusy_read((__dev), PHY_CSR4, PHY_CSR4_BUSY, (__reg))
65
66 static void rt73usb_bbp_write(struct rt2x00_dev *rt2x00dev,
67                               const unsigned int word, const u8 value)
68 {
69         u32 reg;
70
71         mutex_lock(&rt2x00dev->csr_mutex);
72
73         /*
74          * Wait until the BBP becomes available, afterwards we
75          * can safely write the new data into the register.
76          */
77         if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
78                 reg = 0;
79                 rt2x00_set_field32(&reg, PHY_CSR3_VALUE, value);
80                 rt2x00_set_field32(&reg, PHY_CSR3_REGNUM, word);
81                 rt2x00_set_field32(&reg, PHY_CSR3_BUSY, 1);
82                 rt2x00_set_field32(&reg, PHY_CSR3_READ_CONTROL, 0);
83
84                 rt2x00usb_register_write_lock(rt2x00dev, PHY_CSR3, reg);
85         }
86
87         mutex_unlock(&rt2x00dev->csr_mutex);
88 }
89
90 static void rt73usb_bbp_read(struct rt2x00_dev *rt2x00dev,
91                              const unsigned int word, u8 *value)
92 {
93         u32 reg;
94
95         mutex_lock(&rt2x00dev->csr_mutex);
96
97         /*
98          * Wait until the BBP becomes available, afterwards we
99          * can safely write the read request into the register.
100          * After the data has been written, we wait until hardware
101          * returns the correct value, if at any time the register
102          * doesn't become available in time, reg will be 0xffffffff
103          * which means we return 0xff to the caller.
104          */
105         if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
106                 reg = 0;
107                 rt2x00_set_field32(&reg, PHY_CSR3_REGNUM, word);
108                 rt2x00_set_field32(&reg, PHY_CSR3_BUSY, 1);
109                 rt2x00_set_field32(&reg, PHY_CSR3_READ_CONTROL, 1);
110
111                 rt2x00usb_register_write_lock(rt2x00dev, PHY_CSR3, reg);
112
113                 WAIT_FOR_BBP(rt2x00dev, &reg);
114         }
115
116         *value = rt2x00_get_field32(reg, PHY_CSR3_VALUE);
117
118         mutex_unlock(&rt2x00dev->csr_mutex);
119 }
120
121 static void rt73usb_rf_write(struct rt2x00_dev *rt2x00dev,
122                              const unsigned int word, const u32 value)
123 {
124         u32 reg;
125
126         mutex_lock(&rt2x00dev->csr_mutex);
127
128         /*
129          * Wait until the RF becomes available, afterwards we
130          * can safely write the new data into the register.
131          */
132         if (WAIT_FOR_RF(rt2x00dev, &reg)) {
133                 reg = 0;
134                 rt2x00_set_field32(&reg, PHY_CSR4_VALUE, value);
135                 /*
136                  * RF5225 and RF2527 contain 21 bits per RF register value,
137                  * all others contain 20 bits.
138                  */
139                 rt2x00_set_field32(&reg, PHY_CSR4_NUMBER_OF_BITS,
140                                    20 + (rt2x00_rf(rt2x00dev, RF5225) ||
141                                          rt2x00_rf(rt2x00dev, RF2527)));
142                 rt2x00_set_field32(&reg, PHY_CSR4_IF_SELECT, 0);
143                 rt2x00_set_field32(&reg, PHY_CSR4_BUSY, 1);
144
145                 rt2x00usb_register_write_lock(rt2x00dev, PHY_CSR4, reg);
146                 rt2x00_rf_write(rt2x00dev, word, value);
147         }
148
149         mutex_unlock(&rt2x00dev->csr_mutex);
150 }
151
152 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
153 static const struct rt2x00debug rt73usb_rt2x00debug = {
154         .owner  = THIS_MODULE,
155         .csr    = {
156                 .read           = rt2x00usb_register_read,
157                 .write          = rt2x00usb_register_write,
158                 .flags          = RT2X00DEBUGFS_OFFSET,
159                 .word_base      = CSR_REG_BASE,
160                 .word_size      = sizeof(u32),
161                 .word_count     = CSR_REG_SIZE / sizeof(u32),
162         },
163         .eeprom = {
164                 .read           = rt2x00_eeprom_read,
165                 .write          = rt2x00_eeprom_write,
166                 .word_base      = EEPROM_BASE,
167                 .word_size      = sizeof(u16),
168                 .word_count     = EEPROM_SIZE / sizeof(u16),
169         },
170         .bbp    = {
171                 .read           = rt73usb_bbp_read,
172                 .write          = rt73usb_bbp_write,
173                 .word_base      = BBP_BASE,
174                 .word_size      = sizeof(u8),
175                 .word_count     = BBP_SIZE / sizeof(u8),
176         },
177         .rf     = {
178                 .read           = rt2x00_rf_read,
179                 .write          = rt73usb_rf_write,
180                 .word_base      = RF_BASE,
181                 .word_size      = sizeof(u32),
182                 .word_count     = RF_SIZE / sizeof(u32),
183         },
184 };
185 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
186
187 static int rt73usb_rfkill_poll(struct rt2x00_dev *rt2x00dev)
188 {
189         u32 reg;
190
191         rt2x00usb_register_read(rt2x00dev, MAC_CSR13, &reg);
192         return rt2x00_get_field32(reg, MAC_CSR13_BIT7);
193 }
194
195 #ifdef CONFIG_RT2X00_LIB_LEDS
196 static void rt73usb_brightness_set(struct led_classdev *led_cdev,
197                                    enum led_brightness brightness)
198 {
199         struct rt2x00_led *led =
200            container_of(led_cdev, struct rt2x00_led, led_dev);
201         unsigned int enabled = brightness != LED_OFF;
202         unsigned int a_mode =
203             (enabled && led->rt2x00dev->curr_band == IEEE80211_BAND_5GHZ);
204         unsigned int bg_mode =
205             (enabled && led->rt2x00dev->curr_band == IEEE80211_BAND_2GHZ);
206
207         if (led->type == LED_TYPE_RADIO) {
208                 rt2x00_set_field16(&led->rt2x00dev->led_mcu_reg,
209                                    MCU_LEDCS_RADIO_STATUS, enabled);
210
211                 rt2x00usb_vendor_request_sw(led->rt2x00dev, USB_LED_CONTROL,
212                                             0, led->rt2x00dev->led_mcu_reg,
213                                             REGISTER_TIMEOUT);
214         } else if (led->type == LED_TYPE_ASSOC) {
215                 rt2x00_set_field16(&led->rt2x00dev->led_mcu_reg,
216                                    MCU_LEDCS_LINK_BG_STATUS, bg_mode);
217                 rt2x00_set_field16(&led->rt2x00dev->led_mcu_reg,
218                                    MCU_LEDCS_LINK_A_STATUS, a_mode);
219
220                 rt2x00usb_vendor_request_sw(led->rt2x00dev, USB_LED_CONTROL,
221                                             0, led->rt2x00dev->led_mcu_reg,
222                                             REGISTER_TIMEOUT);
223         } else if (led->type == LED_TYPE_QUALITY) {
224                 /*
225                  * The brightness is divided into 6 levels (0 - 5),
226                  * this means we need to convert the brightness
227                  * argument into the matching level within that range.
228                  */
229                 rt2x00usb_vendor_request_sw(led->rt2x00dev, USB_LED_CONTROL,
230                                             brightness / (LED_FULL / 6),
231                                             led->rt2x00dev->led_mcu_reg,
232                                             REGISTER_TIMEOUT);
233         }
234 }
235
236 static int rt73usb_blink_set(struct led_classdev *led_cdev,
237                              unsigned long *delay_on,
238                              unsigned long *delay_off)
239 {
240         struct rt2x00_led *led =
241             container_of(led_cdev, struct rt2x00_led, led_dev);
242         u32 reg;
243
244         rt2x00usb_register_read(led->rt2x00dev, MAC_CSR14, &reg);
245         rt2x00_set_field32(&reg, MAC_CSR14_ON_PERIOD, *delay_on);
246         rt2x00_set_field32(&reg, MAC_CSR14_OFF_PERIOD, *delay_off);
247         rt2x00usb_register_write(led->rt2x00dev, MAC_CSR14, reg);
248
249         return 0;
250 }
251
252 static void rt73usb_init_led(struct rt2x00_dev *rt2x00dev,
253                              struct rt2x00_led *led,
254                              enum led_type type)
255 {
256         led->rt2x00dev = rt2x00dev;
257         led->type = type;
258         led->led_dev.brightness_set = rt73usb_brightness_set;
259         led->led_dev.blink_set = rt73usb_blink_set;
260         led->flags = LED_INITIALIZED;
261 }
262 #endif /* CONFIG_RT2X00_LIB_LEDS */
263
264 /*
265  * Configuration handlers.
266  */
267 static int rt73usb_config_shared_key(struct rt2x00_dev *rt2x00dev,
268                                      struct rt2x00lib_crypto *crypto,
269                                      struct ieee80211_key_conf *key)
270 {
271         struct hw_key_entry key_entry;
272         struct rt2x00_field32 field;
273         u32 mask;
274         u32 reg;
275
276         if (crypto->cmd == SET_KEY) {
277                 /*
278                  * rt2x00lib can't determine the correct free
279                  * key_idx for shared keys. We have 1 register
280                  * with key valid bits. The goal is simple, read
281                  * the register, if that is full we have no slots
282                  * left.
283                  * Note that each BSS is allowed to have up to 4
284                  * shared keys, so put a mask over the allowed
285                  * entries.
286                  */
287                 mask = (0xf << crypto->bssidx);
288
289                 rt2x00usb_register_read(rt2x00dev, SEC_CSR0, &reg);
290                 reg &= mask;
291
292                 if (reg && reg == mask)
293                         return -ENOSPC;
294
295                 key->hw_key_idx += reg ? ffz(reg) : 0;
296
297                 /*
298                  * Upload key to hardware
299                  */
300                 memcpy(key_entry.key, crypto->key,
301                        sizeof(key_entry.key));
302                 memcpy(key_entry.tx_mic, crypto->tx_mic,
303                        sizeof(key_entry.tx_mic));
304                 memcpy(key_entry.rx_mic, crypto->rx_mic,
305                        sizeof(key_entry.rx_mic));
306
307                 reg = SHARED_KEY_ENTRY(key->hw_key_idx);
308                 rt2x00usb_register_multiwrite(rt2x00dev, reg,
309                                               &key_entry, sizeof(key_entry));
310
311                 /*
312                  * The cipher types are stored over 2 registers.
313                  * bssidx 0 and 1 keys are stored in SEC_CSR1 and
314                  * bssidx 1 and 2 keys are stored in SEC_CSR5.
315                  * Using the correct defines correctly will cause overhead,
316                  * so just calculate the correct offset.
317                  */
318                 if (key->hw_key_idx < 8) {
319                         field.bit_offset = (3 * key->hw_key_idx);
320                         field.bit_mask = 0x7 << field.bit_offset;
321
322                         rt2x00usb_register_read(rt2x00dev, SEC_CSR1, &reg);
323                         rt2x00_set_field32(&reg, field, crypto->cipher);
324                         rt2x00usb_register_write(rt2x00dev, SEC_CSR1, reg);
325                 } else {
326                         field.bit_offset = (3 * (key->hw_key_idx - 8));
327                         field.bit_mask = 0x7 << field.bit_offset;
328
329                         rt2x00usb_register_read(rt2x00dev, SEC_CSR5, &reg);
330                         rt2x00_set_field32(&reg, field, crypto->cipher);
331                         rt2x00usb_register_write(rt2x00dev, SEC_CSR5, reg);
332                 }
333
334                 /*
335                  * The driver does not support the IV/EIV generation
336                  * in hardware. However it doesn't support the IV/EIV
337                  * inside the ieee80211 frame either, but requires it
338                  * to be provided separately for the descriptor.
339                  * rt2x00lib will cut the IV/EIV data out of all frames
340                  * given to us by mac80211, but we must tell mac80211
341                  * to generate the IV/EIV data.
342                  */
343                 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
344         }
345
346         /*
347          * SEC_CSR0 contains only single-bit fields to indicate
348          * a particular key is valid. Because using the FIELD32()
349          * defines directly will cause a lot of overhead we use
350          * a calculation to determine the correct bit directly.
351          */
352         mask = 1 << key->hw_key_idx;
353
354         rt2x00usb_register_read(rt2x00dev, SEC_CSR0, &reg);
355         if (crypto->cmd == SET_KEY)
356                 reg |= mask;
357         else if (crypto->cmd == DISABLE_KEY)
358                 reg &= ~mask;
359         rt2x00usb_register_write(rt2x00dev, SEC_CSR0, reg);
360
361         return 0;
362 }
363
364 static int rt73usb_config_pairwise_key(struct rt2x00_dev *rt2x00dev,
365                                        struct rt2x00lib_crypto *crypto,
366                                        struct ieee80211_key_conf *key)
367 {
368         struct hw_pairwise_ta_entry addr_entry;
369         struct hw_key_entry key_entry;
370         u32 mask;
371         u32 reg;
372
373         if (crypto->cmd == SET_KEY) {
374                 /*
375                  * rt2x00lib can't determine the correct free
376                  * key_idx for pairwise keys. We have 2 registers
377                  * with key valid bits. The goal is simple, read
378                  * the first register, if that is full move to
379                  * the next register.
380                  * When both registers are full, we drop the key,
381                  * otherwise we use the first invalid entry.
382                  */
383                 rt2x00usb_register_read(rt2x00dev, SEC_CSR2, &reg);
384                 if (reg && reg == ~0) {
385                         key->hw_key_idx = 32;
386                         rt2x00usb_register_read(rt2x00dev, SEC_CSR3, &reg);
387                         if (reg && reg == ~0)
388                                 return -ENOSPC;
389                 }
390
391                 key->hw_key_idx += reg ? ffz(reg) : 0;
392
393                 /*
394                  * Upload key to hardware
395                  */
396                 memcpy(key_entry.key, crypto->key,
397                        sizeof(key_entry.key));
398                 memcpy(key_entry.tx_mic, crypto->tx_mic,
399                        sizeof(key_entry.tx_mic));
400                 memcpy(key_entry.rx_mic, crypto->rx_mic,
401                        sizeof(key_entry.rx_mic));
402
403                 reg = PAIRWISE_KEY_ENTRY(key->hw_key_idx);
404                 rt2x00usb_register_multiwrite(rt2x00dev, reg,
405                                               &key_entry, sizeof(key_entry));
406
407                 /*
408                  * Send the address and cipher type to the hardware register.
409                  */
410                 memset(&addr_entry, 0, sizeof(addr_entry));
411                 memcpy(&addr_entry, crypto->address, ETH_ALEN);
412                 addr_entry.cipher = crypto->cipher;
413
414                 reg = PAIRWISE_TA_ENTRY(key->hw_key_idx);
415                 rt2x00usb_register_multiwrite(rt2x00dev, reg,
416                                             &addr_entry, sizeof(addr_entry));
417
418                 /*
419                  * Enable pairwise lookup table for given BSS idx,
420                  * without this received frames will not be decrypted
421                  * by the hardware.
422                  */
423                 rt2x00usb_register_read(rt2x00dev, SEC_CSR4, &reg);
424                 reg |= (1 << crypto->bssidx);
425                 rt2x00usb_register_write(rt2x00dev, SEC_CSR4, reg);
426
427                 /*
428                  * The driver does not support the IV/EIV generation
429                  * in hardware. However it doesn't support the IV/EIV
430                  * inside the ieee80211 frame either, but requires it
431                  * to be provided separately for the descriptor.
432                  * rt2x00lib will cut the IV/EIV data out of all frames
433                  * given to us by mac80211, but we must tell mac80211
434                  * to generate the IV/EIV data.
435                  */
436                 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
437         }
438
439         /*
440          * SEC_CSR2 and SEC_CSR3 contain only single-bit fields to indicate
441          * a particular key is valid. Because using the FIELD32()
442          * defines directly will cause a lot of overhead we use
443          * a calculation to determine the correct bit directly.
444          */
445         if (key->hw_key_idx < 32) {
446                 mask = 1 << key->hw_key_idx;
447
448                 rt2x00usb_register_read(rt2x00dev, SEC_CSR2, &reg);
449                 if (crypto->cmd == SET_KEY)
450                         reg |= mask;
451                 else if (crypto->cmd == DISABLE_KEY)
452                         reg &= ~mask;
453                 rt2x00usb_register_write(rt2x00dev, SEC_CSR2, reg);
454         } else {
455                 mask = 1 << (key->hw_key_idx - 32);
456
457                 rt2x00usb_register_read(rt2x00dev, SEC_CSR3, &reg);
458                 if (crypto->cmd == SET_KEY)
459                         reg |= mask;
460                 else if (crypto->cmd == DISABLE_KEY)
461                         reg &= ~mask;
462                 rt2x00usb_register_write(rt2x00dev, SEC_CSR3, reg);
463         }
464
465         return 0;
466 }
467
468 static void rt73usb_config_filter(struct rt2x00_dev *rt2x00dev,
469                                   const unsigned int filter_flags)
470 {
471         u32 reg;
472
473         /*
474          * Start configuration steps.
475          * Note that the version error will always be dropped
476          * and broadcast frames will always be accepted since
477          * there is no filter for it at this time.
478          */
479         rt2x00usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
480         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_CRC,
481                            !(filter_flags & FIF_FCSFAIL));
482         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_PHYSICAL,
483                            !(filter_flags & FIF_PLCPFAIL));
484         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_CONTROL,
485                            !(filter_flags & (FIF_CONTROL | FIF_PSPOLL)));
486         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_NOT_TO_ME,
487                            !(filter_flags & FIF_PROMISC_IN_BSS));
488         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_TO_DS,
489                            !(filter_flags & FIF_PROMISC_IN_BSS) &&
490                            !rt2x00dev->intf_ap_count);
491         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_VERSION_ERROR, 1);
492         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_MULTICAST,
493                            !(filter_flags & FIF_ALLMULTI));
494         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_BROADCAST, 0);
495         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_ACK_CTS,
496                            !(filter_flags & FIF_CONTROL));
497         rt2x00usb_register_write(rt2x00dev, TXRX_CSR0, reg);
498 }
499
500 static void rt73usb_config_intf(struct rt2x00_dev *rt2x00dev,
501                                 struct rt2x00_intf *intf,
502                                 struct rt2x00intf_conf *conf,
503                                 const unsigned int flags)
504 {
505         unsigned int beacon_base;
506         u32 reg;
507
508         if (flags & CONFIG_UPDATE_TYPE) {
509                 /*
510                  * Clear current synchronisation setup.
511                  * For the Beacon base registers we only need to clear
512                  * the first byte since that byte contains the VALID and OWNER
513                  * bits which (when set to 0) will invalidate the entire beacon.
514                  */
515                 beacon_base = HW_BEACON_OFFSET(intf->beacon->entry_idx);
516                 rt2x00usb_register_write(rt2x00dev, beacon_base, 0);
517
518                 /*
519                  * Enable synchronisation.
520                  */
521                 rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
522                 rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 1);
523                 rt2x00_set_field32(&reg, TXRX_CSR9_TSF_SYNC, conf->sync);
524                 rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE, 1);
525                 rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
526         }
527
528         if (flags & CONFIG_UPDATE_MAC) {
529                 reg = le32_to_cpu(conf->mac[1]);
530                 rt2x00_set_field32(&reg, MAC_CSR3_UNICAST_TO_ME_MASK, 0xff);
531                 conf->mac[1] = cpu_to_le32(reg);
532
533                 rt2x00usb_register_multiwrite(rt2x00dev, MAC_CSR2,
534                                             conf->mac, sizeof(conf->mac));
535         }
536
537         if (flags & CONFIG_UPDATE_BSSID) {
538                 reg = le32_to_cpu(conf->bssid[1]);
539                 rt2x00_set_field32(&reg, MAC_CSR5_BSS_ID_MASK, 3);
540                 conf->bssid[1] = cpu_to_le32(reg);
541
542                 rt2x00usb_register_multiwrite(rt2x00dev, MAC_CSR4,
543                                             conf->bssid, sizeof(conf->bssid));
544         }
545 }
546
547 static void rt73usb_config_erp(struct rt2x00_dev *rt2x00dev,
548                                struct rt2x00lib_erp *erp,
549                                u32 changed)
550 {
551         u32 reg;
552
553         rt2x00usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
554         rt2x00_set_field32(&reg, TXRX_CSR0_RX_ACK_TIMEOUT, 0x32);
555         rt2x00_set_field32(&reg, TXRX_CSR0_TSF_OFFSET, IEEE80211_HEADER);
556         rt2x00usb_register_write(rt2x00dev, TXRX_CSR0, reg);
557
558         if (changed & BSS_CHANGED_ERP_PREAMBLE) {
559                 rt2x00usb_register_read(rt2x00dev, TXRX_CSR4, &reg);
560                 rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_ENABLE, 1);
561                 rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_PREAMBLE,
562                                    !!erp->short_preamble);
563                 rt2x00usb_register_write(rt2x00dev, TXRX_CSR4, reg);
564         }
565
566         if (changed & BSS_CHANGED_BASIC_RATES)
567                 rt2x00usb_register_write(rt2x00dev, TXRX_CSR5,
568                                          erp->basic_rates);
569
570         if (changed & BSS_CHANGED_BEACON_INT) {
571                 rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
572                 rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_INTERVAL,
573                                    erp->beacon_int * 16);
574                 rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
575         }
576
577         if (changed & BSS_CHANGED_ERP_SLOT) {
578                 rt2x00usb_register_read(rt2x00dev, MAC_CSR9, &reg);
579                 rt2x00_set_field32(&reg, MAC_CSR9_SLOT_TIME, erp->slot_time);
580                 rt2x00usb_register_write(rt2x00dev, MAC_CSR9, reg);
581
582                 rt2x00usb_register_read(rt2x00dev, MAC_CSR8, &reg);
583                 rt2x00_set_field32(&reg, MAC_CSR8_SIFS, erp->sifs);
584                 rt2x00_set_field32(&reg, MAC_CSR8_SIFS_AFTER_RX_OFDM, 3);
585                 rt2x00_set_field32(&reg, MAC_CSR8_EIFS, erp->eifs);
586                 rt2x00usb_register_write(rt2x00dev, MAC_CSR8, reg);
587         }
588 }
589
590 static void rt73usb_config_antenna_5x(struct rt2x00_dev *rt2x00dev,
591                                       struct antenna_setup *ant)
592 {
593         u8 r3;
594         u8 r4;
595         u8 r77;
596         u8 temp;
597
598         rt73usb_bbp_read(rt2x00dev, 3, &r3);
599         rt73usb_bbp_read(rt2x00dev, 4, &r4);
600         rt73usb_bbp_read(rt2x00dev, 77, &r77);
601
602         rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, 0);
603
604         /*
605          * Configure the RX antenna.
606          */
607         switch (ant->rx) {
608         case ANTENNA_HW_DIVERSITY:
609                 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 2);
610                 temp = !test_bit(CONFIG_FRAME_TYPE, &rt2x00dev->flags)
611                        && (rt2x00dev->curr_band != IEEE80211_BAND_5GHZ);
612                 rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, temp);
613                 break;
614         case ANTENNA_A:
615                 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1);
616                 rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 0);
617                 if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ)
618                         rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 0);
619                 else
620                         rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 3);
621                 break;
622         case ANTENNA_B:
623         default:
624                 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1);
625                 rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 0);
626                 if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ)
627                         rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 3);
628                 else
629                         rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 0);
630                 break;
631         }
632
633         rt73usb_bbp_write(rt2x00dev, 77, r77);
634         rt73usb_bbp_write(rt2x00dev, 3, r3);
635         rt73usb_bbp_write(rt2x00dev, 4, r4);
636 }
637
638 static void rt73usb_config_antenna_2x(struct rt2x00_dev *rt2x00dev,
639                                       struct antenna_setup *ant)
640 {
641         u8 r3;
642         u8 r4;
643         u8 r77;
644
645         rt73usb_bbp_read(rt2x00dev, 3, &r3);
646         rt73usb_bbp_read(rt2x00dev, 4, &r4);
647         rt73usb_bbp_read(rt2x00dev, 77, &r77);
648
649         rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, 0);
650         rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END,
651                           !test_bit(CONFIG_FRAME_TYPE, &rt2x00dev->flags));
652
653         /*
654          * Configure the RX antenna.
655          */
656         switch (ant->rx) {
657         case ANTENNA_HW_DIVERSITY:
658                 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 2);
659                 break;
660         case ANTENNA_A:
661                 rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 3);
662                 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1);
663                 break;
664         case ANTENNA_B:
665         default:
666                 rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 0);
667                 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1);
668                 break;
669         }
670
671         rt73usb_bbp_write(rt2x00dev, 77, r77);
672         rt73usb_bbp_write(rt2x00dev, 3, r3);
673         rt73usb_bbp_write(rt2x00dev, 4, r4);
674 }
675
676 struct antenna_sel {
677         u8 word;
678         /*
679          * value[0] -> non-LNA
680          * value[1] -> LNA
681          */
682         u8 value[2];
683 };
684
685 static const struct antenna_sel antenna_sel_a[] = {
686         { 96,  { 0x58, 0x78 } },
687         { 104, { 0x38, 0x48 } },
688         { 75,  { 0xfe, 0x80 } },
689         { 86,  { 0xfe, 0x80 } },
690         { 88,  { 0xfe, 0x80 } },
691         { 35,  { 0x60, 0x60 } },
692         { 97,  { 0x58, 0x58 } },
693         { 98,  { 0x58, 0x58 } },
694 };
695
696 static const struct antenna_sel antenna_sel_bg[] = {
697         { 96,  { 0x48, 0x68 } },
698         { 104, { 0x2c, 0x3c } },
699         { 75,  { 0xfe, 0x80 } },
700         { 86,  { 0xfe, 0x80 } },
701         { 88,  { 0xfe, 0x80 } },
702         { 35,  { 0x50, 0x50 } },
703         { 97,  { 0x48, 0x48 } },
704         { 98,  { 0x48, 0x48 } },
705 };
706
707 static void rt73usb_config_ant(struct rt2x00_dev *rt2x00dev,
708                                struct antenna_setup *ant)
709 {
710         const struct antenna_sel *sel;
711         unsigned int lna;
712         unsigned int i;
713         u32 reg;
714
715         /*
716          * We should never come here because rt2x00lib is supposed
717          * to catch this and send us the correct antenna explicitely.
718          */
719         BUG_ON(ant->rx == ANTENNA_SW_DIVERSITY ||
720                ant->tx == ANTENNA_SW_DIVERSITY);
721
722         if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ) {
723                 sel = antenna_sel_a;
724                 lna = test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags);
725         } else {
726                 sel = antenna_sel_bg;
727                 lna = test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags);
728         }
729
730         for (i = 0; i < ARRAY_SIZE(antenna_sel_a); i++)
731                 rt73usb_bbp_write(rt2x00dev, sel[i].word, sel[i].value[lna]);
732
733         rt2x00usb_register_read(rt2x00dev, PHY_CSR0, &reg);
734
735         rt2x00_set_field32(&reg, PHY_CSR0_PA_PE_BG,
736                            (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ));
737         rt2x00_set_field32(&reg, PHY_CSR0_PA_PE_A,
738                            (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ));
739
740         rt2x00usb_register_write(rt2x00dev, PHY_CSR0, reg);
741
742         if (rt2x00_rf(rt2x00dev, RF5226) || rt2x00_rf(rt2x00dev, RF5225))
743                 rt73usb_config_antenna_5x(rt2x00dev, ant);
744         else if (rt2x00_rf(rt2x00dev, RF2528) || rt2x00_rf(rt2x00dev, RF2527))
745                 rt73usb_config_antenna_2x(rt2x00dev, ant);
746 }
747
748 static void rt73usb_config_lna_gain(struct rt2x00_dev *rt2x00dev,
749                                     struct rt2x00lib_conf *libconf)
750 {
751         u16 eeprom;
752         short lna_gain = 0;
753
754         if (libconf->conf->channel->band == IEEE80211_BAND_2GHZ) {
755                 if (test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags))
756                         lna_gain += 14;
757
758                 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_BG, &eeprom);
759                 lna_gain -= rt2x00_get_field16(eeprom, EEPROM_RSSI_OFFSET_BG_1);
760         } else {
761                 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_A, &eeprom);
762                 lna_gain -= rt2x00_get_field16(eeprom, EEPROM_RSSI_OFFSET_A_1);
763         }
764
765         rt2x00dev->lna_gain = lna_gain;
766 }
767
768 static void rt73usb_config_channel(struct rt2x00_dev *rt2x00dev,
769                                    struct rf_channel *rf, const int txpower)
770 {
771         u8 r3;
772         u8 r94;
773         u8 smart;
774
775         rt2x00_set_field32(&rf->rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
776         rt2x00_set_field32(&rf->rf4, RF4_FREQ_OFFSET, rt2x00dev->freq_offset);
777
778         smart = !(rt2x00_rf(rt2x00dev, RF5225) || rt2x00_rf(rt2x00dev, RF2527));
779
780         rt73usb_bbp_read(rt2x00dev, 3, &r3);
781         rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, smart);
782         rt73usb_bbp_write(rt2x00dev, 3, r3);
783
784         r94 = 6;
785         if (txpower > MAX_TXPOWER && txpower <= (MAX_TXPOWER + r94))
786                 r94 += txpower - MAX_TXPOWER;
787         else if (txpower < MIN_TXPOWER && txpower >= (MIN_TXPOWER - r94))
788                 r94 += txpower;
789         rt73usb_bbp_write(rt2x00dev, 94, r94);
790
791         rt73usb_rf_write(rt2x00dev, 1, rf->rf1);
792         rt73usb_rf_write(rt2x00dev, 2, rf->rf2);
793         rt73usb_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
794         rt73usb_rf_write(rt2x00dev, 4, rf->rf4);
795
796         rt73usb_rf_write(rt2x00dev, 1, rf->rf1);
797         rt73usb_rf_write(rt2x00dev, 2, rf->rf2);
798         rt73usb_rf_write(rt2x00dev, 3, rf->rf3 | 0x00000004);
799         rt73usb_rf_write(rt2x00dev, 4, rf->rf4);
800
801         rt73usb_rf_write(rt2x00dev, 1, rf->rf1);
802         rt73usb_rf_write(rt2x00dev, 2, rf->rf2);
803         rt73usb_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
804         rt73usb_rf_write(rt2x00dev, 4, rf->rf4);
805
806         udelay(10);
807 }
808
809 static void rt73usb_config_txpower(struct rt2x00_dev *rt2x00dev,
810                                    const int txpower)
811 {
812         struct rf_channel rf;
813
814         rt2x00_rf_read(rt2x00dev, 1, &rf.rf1);
815         rt2x00_rf_read(rt2x00dev, 2, &rf.rf2);
816         rt2x00_rf_read(rt2x00dev, 3, &rf.rf3);
817         rt2x00_rf_read(rt2x00dev, 4, &rf.rf4);
818
819         rt73usb_config_channel(rt2x00dev, &rf, txpower);
820 }
821
822 static void rt73usb_config_retry_limit(struct rt2x00_dev *rt2x00dev,
823                                        struct rt2x00lib_conf *libconf)
824 {
825         u32 reg;
826
827         rt2x00usb_register_read(rt2x00dev, TXRX_CSR4, &reg);
828         rt2x00_set_field32(&reg, TXRX_CSR4_OFDM_TX_RATE_DOWN, 1);
829         rt2x00_set_field32(&reg, TXRX_CSR4_OFDM_TX_RATE_STEP, 0);
830         rt2x00_set_field32(&reg, TXRX_CSR4_OFDM_TX_FALLBACK_CCK, 0);
831         rt2x00_set_field32(&reg, TXRX_CSR4_LONG_RETRY_LIMIT,
832                            libconf->conf->long_frame_max_tx_count);
833         rt2x00_set_field32(&reg, TXRX_CSR4_SHORT_RETRY_LIMIT,
834                            libconf->conf->short_frame_max_tx_count);
835         rt2x00usb_register_write(rt2x00dev, TXRX_CSR4, reg);
836 }
837
838 static void rt73usb_config_ps(struct rt2x00_dev *rt2x00dev,
839                                 struct rt2x00lib_conf *libconf)
840 {
841         enum dev_state state =
842             (libconf->conf->flags & IEEE80211_CONF_PS) ?
843                 STATE_SLEEP : STATE_AWAKE;
844         u32 reg;
845
846         if (state == STATE_SLEEP) {
847                 rt2x00usb_register_read(rt2x00dev, MAC_CSR11, &reg);
848                 rt2x00_set_field32(&reg, MAC_CSR11_DELAY_AFTER_TBCN,
849                                    rt2x00dev->beacon_int - 10);
850                 rt2x00_set_field32(&reg, MAC_CSR11_TBCN_BEFORE_WAKEUP,
851                                    libconf->conf->listen_interval - 1);
852                 rt2x00_set_field32(&reg, MAC_CSR11_WAKEUP_LATENCY, 5);
853
854                 /* We must first disable autowake before it can be enabled */
855                 rt2x00_set_field32(&reg, MAC_CSR11_AUTOWAKE, 0);
856                 rt2x00usb_register_write(rt2x00dev, MAC_CSR11, reg);
857
858                 rt2x00_set_field32(&reg, MAC_CSR11_AUTOWAKE, 1);
859                 rt2x00usb_register_write(rt2x00dev, MAC_CSR11, reg);
860
861                 rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0,
862                                             USB_MODE_SLEEP, REGISTER_TIMEOUT);
863         } else {
864                 rt2x00usb_register_read(rt2x00dev, MAC_CSR11, &reg);
865                 rt2x00_set_field32(&reg, MAC_CSR11_DELAY_AFTER_TBCN, 0);
866                 rt2x00_set_field32(&reg, MAC_CSR11_TBCN_BEFORE_WAKEUP, 0);
867                 rt2x00_set_field32(&reg, MAC_CSR11_AUTOWAKE, 0);
868                 rt2x00_set_field32(&reg, MAC_CSR11_WAKEUP_LATENCY, 0);
869                 rt2x00usb_register_write(rt2x00dev, MAC_CSR11, reg);
870
871                 rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0,
872                                             USB_MODE_WAKEUP, REGISTER_TIMEOUT);
873         }
874 }
875
876 static void rt73usb_config(struct rt2x00_dev *rt2x00dev,
877                            struct rt2x00lib_conf *libconf,
878                            const unsigned int flags)
879 {
880         /* Always recalculate LNA gain before changing configuration */
881         rt73usb_config_lna_gain(rt2x00dev, libconf);
882
883         if (flags & IEEE80211_CONF_CHANGE_CHANNEL)
884                 rt73usb_config_channel(rt2x00dev, &libconf->rf,
885                                        libconf->conf->power_level);
886         if ((flags & IEEE80211_CONF_CHANGE_POWER) &&
887             !(flags & IEEE80211_CONF_CHANGE_CHANNEL))
888                 rt73usb_config_txpower(rt2x00dev, libconf->conf->power_level);
889         if (flags & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
890                 rt73usb_config_retry_limit(rt2x00dev, libconf);
891         if (flags & IEEE80211_CONF_CHANGE_PS)
892                 rt73usb_config_ps(rt2x00dev, libconf);
893 }
894
895 /*
896  * Link tuning
897  */
898 static void rt73usb_link_stats(struct rt2x00_dev *rt2x00dev,
899                                struct link_qual *qual)
900 {
901         u32 reg;
902
903         /*
904          * Update FCS error count from register.
905          */
906         rt2x00usb_register_read(rt2x00dev, STA_CSR0, &reg);
907         qual->rx_failed = rt2x00_get_field32(reg, STA_CSR0_FCS_ERROR);
908
909         /*
910          * Update False CCA count from register.
911          */
912         rt2x00usb_register_read(rt2x00dev, STA_CSR1, &reg);
913         qual->false_cca = rt2x00_get_field32(reg, STA_CSR1_FALSE_CCA_ERROR);
914 }
915
916 static inline void rt73usb_set_vgc(struct rt2x00_dev *rt2x00dev,
917                                    struct link_qual *qual, u8 vgc_level)
918 {
919         if (qual->vgc_level != vgc_level) {
920                 rt73usb_bbp_write(rt2x00dev, 17, vgc_level);
921                 qual->vgc_level = vgc_level;
922                 qual->vgc_level_reg = vgc_level;
923         }
924 }
925
926 static void rt73usb_reset_tuner(struct rt2x00_dev *rt2x00dev,
927                                 struct link_qual *qual)
928 {
929         rt73usb_set_vgc(rt2x00dev, qual, 0x20);
930 }
931
932 static void rt73usb_link_tuner(struct rt2x00_dev *rt2x00dev,
933                                struct link_qual *qual, const u32 count)
934 {
935         u8 up_bound;
936         u8 low_bound;
937
938         /*
939          * Determine r17 bounds.
940          */
941         if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ) {
942                 low_bound = 0x28;
943                 up_bound = 0x48;
944
945                 if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags)) {
946                         low_bound += 0x10;
947                         up_bound += 0x10;
948                 }
949         } else {
950                 if (qual->rssi > -82) {
951                         low_bound = 0x1c;
952                         up_bound = 0x40;
953                 } else if (qual->rssi > -84) {
954                         low_bound = 0x1c;
955                         up_bound = 0x20;
956                 } else {
957                         low_bound = 0x1c;
958                         up_bound = 0x1c;
959                 }
960
961                 if (test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags)) {
962                         low_bound += 0x14;
963                         up_bound += 0x10;
964                 }
965         }
966
967         /*
968          * If we are not associated, we should go straight to the
969          * dynamic CCA tuning.
970          */
971         if (!rt2x00dev->intf_associated)
972                 goto dynamic_cca_tune;
973
974         /*
975          * Special big-R17 for very short distance
976          */
977         if (qual->rssi > -35) {
978                 rt73usb_set_vgc(rt2x00dev, qual, 0x60);
979                 return;
980         }
981
982         /*
983          * Special big-R17 for short distance
984          */
985         if (qual->rssi >= -58) {
986                 rt73usb_set_vgc(rt2x00dev, qual, up_bound);
987                 return;
988         }
989
990         /*
991          * Special big-R17 for middle-short distance
992          */
993         if (qual->rssi >= -66) {
994                 rt73usb_set_vgc(rt2x00dev, qual, low_bound + 0x10);
995                 return;
996         }
997
998         /*
999          * Special mid-R17 for middle distance
1000          */
1001         if (qual->rssi >= -74) {
1002                 rt73usb_set_vgc(rt2x00dev, qual, low_bound + 0x08);
1003                 return;
1004         }
1005
1006         /*
1007          * Special case: Change up_bound based on the rssi.
1008          * Lower up_bound when rssi is weaker then -74 dBm.
1009          */
1010         up_bound -= 2 * (-74 - qual->rssi);
1011         if (low_bound > up_bound)
1012                 up_bound = low_bound;
1013
1014         if (qual->vgc_level > up_bound) {
1015                 rt73usb_set_vgc(rt2x00dev, qual, up_bound);
1016                 return;
1017         }
1018
1019 dynamic_cca_tune:
1020
1021         /*
1022          * r17 does not yet exceed upper limit, continue and base
1023          * the r17 tuning on the false CCA count.
1024          */
1025         if ((qual->false_cca > 512) && (qual->vgc_level < up_bound))
1026                 rt73usb_set_vgc(rt2x00dev, qual,
1027                                 min_t(u8, qual->vgc_level + 4, up_bound));
1028         else if ((qual->false_cca < 100) && (qual->vgc_level > low_bound))
1029                 rt73usb_set_vgc(rt2x00dev, qual,
1030                                 max_t(u8, qual->vgc_level - 4, low_bound));
1031 }
1032
1033 /*
1034  * Queue handlers.
1035  */
1036 static void rt73usb_start_queue(struct data_queue *queue)
1037 {
1038         struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
1039         u32 reg;
1040
1041         switch (queue->qid) {
1042         case QID_RX:
1043                 rt2x00usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
1044                 rt2x00_set_field32(&reg, TXRX_CSR0_DISABLE_RX, 0);
1045                 rt2x00usb_register_write(rt2x00dev, TXRX_CSR0, reg);
1046                 break;
1047         case QID_BEACON:
1048                 rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
1049                 rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 1);
1050                 rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE, 1);
1051                 rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 1);
1052                 rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
1053                 break;
1054         default:
1055                 break;
1056         }
1057 }
1058
1059 static void rt73usb_stop_queue(struct data_queue *queue)
1060 {
1061         struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
1062         u32 reg;
1063
1064         switch (queue->qid) {
1065         case QID_RX:
1066                 rt2x00usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
1067                 rt2x00_set_field32(&reg, TXRX_CSR0_DISABLE_RX, 1);
1068                 rt2x00usb_register_write(rt2x00dev, TXRX_CSR0, reg);
1069                 break;
1070         case QID_BEACON:
1071                 rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
1072                 rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 0);
1073                 rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE, 0);
1074                 rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 0);
1075                 rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
1076                 break;
1077         default:
1078                 break;
1079         }
1080 }
1081
1082 /*
1083  * Firmware functions
1084  */
1085 static char *rt73usb_get_firmware_name(struct rt2x00_dev *rt2x00dev)
1086 {
1087         return FIRMWARE_RT2571;
1088 }
1089
1090 static int rt73usb_check_firmware(struct rt2x00_dev *rt2x00dev,
1091                                   const u8 *data, const size_t len)
1092 {
1093         u16 fw_crc;
1094         u16 crc;
1095
1096         /*
1097          * Only support 2kb firmware files.
1098          */
1099         if (len != 2048)
1100                 return FW_BAD_LENGTH;
1101
1102         /*
1103          * The last 2 bytes in the firmware array are the crc checksum itself,
1104          * this means that we should never pass those 2 bytes to the crc
1105          * algorithm.
1106          */
1107         fw_crc = (data[len - 2] << 8 | data[len - 1]);
1108
1109         /*
1110          * Use the crc itu-t algorithm.
1111          */
1112         crc = crc_itu_t(0, data, len - 2);
1113         crc = crc_itu_t_byte(crc, 0);
1114         crc = crc_itu_t_byte(crc, 0);
1115
1116         return (fw_crc == crc) ? FW_OK : FW_BAD_CRC;
1117 }
1118
1119 static int rt73usb_load_firmware(struct rt2x00_dev *rt2x00dev,
1120                                  const u8 *data, const size_t len)
1121 {
1122         unsigned int i;
1123         int status;
1124         u32 reg;
1125
1126         /*
1127          * Wait for stable hardware.
1128          */
1129         for (i = 0; i < 100; i++) {
1130                 rt2x00usb_register_read(rt2x00dev, MAC_CSR0, &reg);
1131                 if (reg)
1132                         break;
1133                 msleep(1);
1134         }
1135
1136         if (!reg) {
1137                 ERROR(rt2x00dev, "Unstable hardware.\n");
1138                 return -EBUSY;
1139         }
1140
1141         /*
1142          * Write firmware to device.
1143          */
1144         rt2x00usb_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE, data, len);
1145
1146         /*
1147          * Send firmware request to device to load firmware,
1148          * we need to specify a long timeout time.
1149          */
1150         status = rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE,
1151                                              0, USB_MODE_FIRMWARE,
1152                                              REGISTER_TIMEOUT_FIRMWARE);
1153         if (status < 0) {
1154                 ERROR(rt2x00dev, "Failed to write Firmware to device.\n");
1155                 return status;
1156         }
1157
1158         return 0;
1159 }
1160
1161 /*
1162  * Initialization functions.
1163  */
1164 static int rt73usb_init_registers(struct rt2x00_dev *rt2x00dev)
1165 {
1166         u32 reg;
1167
1168         rt2x00usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
1169         rt2x00_set_field32(&reg, TXRX_CSR0_AUTO_TX_SEQ, 1);
1170         rt2x00_set_field32(&reg, TXRX_CSR0_DISABLE_RX, 0);
1171         rt2x00_set_field32(&reg, TXRX_CSR0_TX_WITHOUT_WAITING, 0);
1172         rt2x00usb_register_write(rt2x00dev, TXRX_CSR0, reg);
1173
1174         rt2x00usb_register_read(rt2x00dev, TXRX_CSR1, &reg);
1175         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID0, 47); /* CCK Signal */
1176         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID0_VALID, 1);
1177         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID1, 30); /* Rssi */
1178         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID1_VALID, 1);
1179         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID2, 42); /* OFDM Rate */
1180         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID2_VALID, 1);
1181         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID3, 30); /* Rssi */
1182         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID3_VALID, 1);
1183         rt2x00usb_register_write(rt2x00dev, TXRX_CSR1, reg);
1184
1185         /*
1186          * CCK TXD BBP registers
1187          */
1188         rt2x00usb_register_read(rt2x00dev, TXRX_CSR2, &reg);
1189         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID0, 13);
1190         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID0_VALID, 1);
1191         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID1, 12);
1192         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID1_VALID, 1);
1193         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID2, 11);
1194         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID2_VALID, 1);
1195         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID3, 10);
1196         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID3_VALID, 1);
1197         rt2x00usb_register_write(rt2x00dev, TXRX_CSR2, reg);
1198
1199         /*
1200          * OFDM TXD BBP registers
1201          */
1202         rt2x00usb_register_read(rt2x00dev, TXRX_CSR3, &reg);
1203         rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID0, 7);
1204         rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID0_VALID, 1);
1205         rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID1, 6);
1206         rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID1_VALID, 1);
1207         rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID2, 5);
1208         rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID2_VALID, 1);
1209         rt2x00usb_register_write(rt2x00dev, TXRX_CSR3, reg);
1210
1211         rt2x00usb_register_read(rt2x00dev, TXRX_CSR7, &reg);
1212         rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_6MBS, 59);
1213         rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_9MBS, 53);
1214         rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_12MBS, 49);
1215         rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_18MBS, 46);
1216         rt2x00usb_register_write(rt2x00dev, TXRX_CSR7, reg);
1217
1218         rt2x00usb_register_read(rt2x00dev, TXRX_CSR8, &reg);
1219         rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_24MBS, 44);
1220         rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_36MBS, 42);
1221         rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_48MBS, 42);
1222         rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_54MBS, 42);
1223         rt2x00usb_register_write(rt2x00dev, TXRX_CSR8, reg);
1224
1225         rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
1226         rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_INTERVAL, 0);
1227         rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 0);
1228         rt2x00_set_field32(&reg, TXRX_CSR9_TSF_SYNC, 0);
1229         rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE, 0);
1230         rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 0);
1231         rt2x00_set_field32(&reg, TXRX_CSR9_TIMESTAMP_COMPENSATE, 0);
1232         rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
1233
1234         rt2x00usb_register_write(rt2x00dev, TXRX_CSR15, 0x0000000f);
1235
1236         rt2x00usb_register_read(rt2x00dev, MAC_CSR6, &reg);
1237         rt2x00_set_field32(&reg, MAC_CSR6_MAX_FRAME_UNIT, 0xfff);
1238         rt2x00usb_register_write(rt2x00dev, MAC_CSR6, reg);
1239
1240         rt2x00usb_register_write(rt2x00dev, MAC_CSR10, 0x00000718);
1241
1242         if (rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_AWAKE))
1243                 return -EBUSY;
1244
1245         rt2x00usb_register_write(rt2x00dev, MAC_CSR13, 0x00007f00);
1246
1247         /*
1248          * Invalidate all Shared Keys (SEC_CSR0),
1249          * and clear the Shared key Cipher algorithms (SEC_CSR1 & SEC_CSR5)
1250          */
1251         rt2x00usb_register_write(rt2x00dev, SEC_CSR0, 0x00000000);
1252         rt2x00usb_register_write(rt2x00dev, SEC_CSR1, 0x00000000);
1253         rt2x00usb_register_write(rt2x00dev, SEC_CSR5, 0x00000000);
1254
1255         reg = 0x000023b0;
1256         if (rt2x00_rf(rt2x00dev, RF5225) || rt2x00_rf(rt2x00dev, RF2527))
1257                 rt2x00_set_field32(&reg, PHY_CSR1_RF_RPI, 1);
1258         rt2x00usb_register_write(rt2x00dev, PHY_CSR1, reg);
1259
1260         rt2x00usb_register_write(rt2x00dev, PHY_CSR5, 0x00040a06);
1261         rt2x00usb_register_write(rt2x00dev, PHY_CSR6, 0x00080606);
1262         rt2x00usb_register_write(rt2x00dev, PHY_CSR7, 0x00000408);
1263
1264         rt2x00usb_register_read(rt2x00dev, MAC_CSR9, &reg);
1265         rt2x00_set_field32(&reg, MAC_CSR9_CW_SELECT, 0);
1266         rt2x00usb_register_write(rt2x00dev, MAC_CSR9, reg);
1267
1268         /*
1269          * Clear all beacons
1270          * For the Beacon base registers we only need to clear
1271          * the first byte since that byte contains the VALID and OWNER
1272          * bits which (when set to 0) will invalidate the entire beacon.
1273          */
1274         rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE0, 0);
1275         rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE1, 0);
1276         rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE2, 0);
1277         rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE3, 0);
1278
1279         /*
1280          * We must clear the error counters.
1281          * These registers are cleared on read,
1282          * so we may pass a useless variable to store the value.
1283          */
1284         rt2x00usb_register_read(rt2x00dev, STA_CSR0, &reg);
1285         rt2x00usb_register_read(rt2x00dev, STA_CSR1, &reg);
1286         rt2x00usb_register_read(rt2x00dev, STA_CSR2, &reg);
1287
1288         /*
1289          * Reset MAC and BBP registers.
1290          */
1291         rt2x00usb_register_read(rt2x00dev, MAC_CSR1, &reg);
1292         rt2x00_set_field32(&reg, MAC_CSR1_SOFT_RESET, 1);
1293         rt2x00_set_field32(&reg, MAC_CSR1_BBP_RESET, 1);
1294         rt2x00usb_register_write(rt2x00dev, MAC_CSR1, reg);
1295
1296         rt2x00usb_register_read(rt2x00dev, MAC_CSR1, &reg);
1297         rt2x00_set_field32(&reg, MAC_CSR1_SOFT_RESET, 0);
1298         rt2x00_set_field32(&reg, MAC_CSR1_BBP_RESET, 0);
1299         rt2x00usb_register_write(rt2x00dev, MAC_CSR1, reg);
1300
1301         rt2x00usb_register_read(rt2x00dev, MAC_CSR1, &reg);
1302         rt2x00_set_field32(&reg, MAC_CSR1_HOST_READY, 1);
1303         rt2x00usb_register_write(rt2x00dev, MAC_CSR1, reg);
1304
1305         return 0;
1306 }
1307
1308 static int rt73usb_wait_bbp_ready(struct rt2x00_dev *rt2x00dev)
1309 {
1310         unsigned int i;
1311         u8 value;
1312
1313         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
1314                 rt73usb_bbp_read(rt2x00dev, 0, &value);
1315                 if ((value != 0xff) && (value != 0x00))
1316                         return 0;
1317                 udelay(REGISTER_BUSY_DELAY);
1318         }
1319
1320         ERROR(rt2x00dev, "BBP register access failed, aborting.\n");
1321         return -EACCES;
1322 }
1323
1324 static int rt73usb_init_bbp(struct rt2x00_dev *rt2x00dev)
1325 {
1326         unsigned int i;
1327         u16 eeprom;
1328         u8 reg_id;
1329         u8 value;
1330
1331         if (unlikely(rt73usb_wait_bbp_ready(rt2x00dev)))
1332                 return -EACCES;
1333
1334         rt73usb_bbp_write(rt2x00dev, 3, 0x80);
1335         rt73usb_bbp_write(rt2x00dev, 15, 0x30);
1336         rt73usb_bbp_write(rt2x00dev, 21, 0xc8);
1337         rt73usb_bbp_write(rt2x00dev, 22, 0x38);
1338         rt73usb_bbp_write(rt2x00dev, 23, 0x06);
1339         rt73usb_bbp_write(rt2x00dev, 24, 0xfe);
1340         rt73usb_bbp_write(rt2x00dev, 25, 0x0a);
1341         rt73usb_bbp_write(rt2x00dev, 26, 0x0d);
1342         rt73usb_bbp_write(rt2x00dev, 32, 0x0b);
1343         rt73usb_bbp_write(rt2x00dev, 34, 0x12);
1344         rt73usb_bbp_write(rt2x00dev, 37, 0x07);
1345         rt73usb_bbp_write(rt2x00dev, 39, 0xf8);
1346         rt73usb_bbp_write(rt2x00dev, 41, 0x60);
1347         rt73usb_bbp_write(rt2x00dev, 53, 0x10);
1348         rt73usb_bbp_write(rt2x00dev, 54, 0x18);
1349         rt73usb_bbp_write(rt2x00dev, 60, 0x10);
1350         rt73usb_bbp_write(rt2x00dev, 61, 0x04);
1351         rt73usb_bbp_write(rt2x00dev, 62, 0x04);
1352         rt73usb_bbp_write(rt2x00dev, 75, 0xfe);
1353         rt73usb_bbp_write(rt2x00dev, 86, 0xfe);
1354         rt73usb_bbp_write(rt2x00dev, 88, 0xfe);
1355         rt73usb_bbp_write(rt2x00dev, 90, 0x0f);
1356         rt73usb_bbp_write(rt2x00dev, 99, 0x00);
1357         rt73usb_bbp_write(rt2x00dev, 102, 0x16);
1358         rt73usb_bbp_write(rt2x00dev, 107, 0x04);
1359
1360         for (i = 0; i < EEPROM_BBP_SIZE; i++) {
1361                 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
1362
1363                 if (eeprom != 0xffff && eeprom != 0x0000) {
1364                         reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
1365                         value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
1366                         rt73usb_bbp_write(rt2x00dev, reg_id, value);
1367                 }
1368         }
1369
1370         return 0;
1371 }
1372
1373 /*
1374  * Device state switch handlers.
1375  */
1376 static int rt73usb_enable_radio(struct rt2x00_dev *rt2x00dev)
1377 {
1378         /*
1379          * Initialize all registers.
1380          */
1381         if (unlikely(rt73usb_init_registers(rt2x00dev) ||
1382                      rt73usb_init_bbp(rt2x00dev)))
1383                 return -EIO;
1384
1385         return 0;
1386 }
1387
1388 static void rt73usb_disable_radio(struct rt2x00_dev *rt2x00dev)
1389 {
1390         rt2x00usb_register_write(rt2x00dev, MAC_CSR10, 0x00001818);
1391
1392         /*
1393          * Disable synchronisation.
1394          */
1395         rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, 0);
1396
1397         rt2x00usb_disable_radio(rt2x00dev);
1398 }
1399
1400 static int rt73usb_set_state(struct rt2x00_dev *rt2x00dev, enum dev_state state)
1401 {
1402         u32 reg, reg2;
1403         unsigned int i;
1404         char put_to_sleep;
1405
1406         put_to_sleep = (state != STATE_AWAKE);
1407
1408         rt2x00usb_register_read(rt2x00dev, MAC_CSR12, &reg);
1409         rt2x00_set_field32(&reg, MAC_CSR12_FORCE_WAKEUP, !put_to_sleep);
1410         rt2x00_set_field32(&reg, MAC_CSR12_PUT_TO_SLEEP, put_to_sleep);
1411         rt2x00usb_register_write(rt2x00dev, MAC_CSR12, reg);
1412
1413         /*
1414          * Device is not guaranteed to be in the requested state yet.
1415          * We must wait until the register indicates that the
1416          * device has entered the correct state.
1417          */
1418         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
1419                 rt2x00usb_register_read(rt2x00dev, MAC_CSR12, &reg2);
1420                 state = rt2x00_get_field32(reg2, MAC_CSR12_BBP_CURRENT_STATE);
1421                 if (state == !put_to_sleep)
1422                         return 0;
1423                 rt2x00usb_register_write(rt2x00dev, MAC_CSR12, reg);
1424                 msleep(10);
1425         }
1426
1427         return -EBUSY;
1428 }
1429
1430 static int rt73usb_set_device_state(struct rt2x00_dev *rt2x00dev,
1431                                     enum dev_state state)
1432 {
1433         int retval = 0;
1434
1435         switch (state) {
1436         case STATE_RADIO_ON:
1437                 retval = rt73usb_enable_radio(rt2x00dev);
1438                 break;
1439         case STATE_RADIO_OFF:
1440                 rt73usb_disable_radio(rt2x00dev);
1441                 break;
1442         case STATE_RADIO_IRQ_ON:
1443         case STATE_RADIO_IRQ_ON_ISR:
1444         case STATE_RADIO_IRQ_OFF:
1445         case STATE_RADIO_IRQ_OFF_ISR:
1446                 /* No support, but no error either */
1447                 break;
1448         case STATE_DEEP_SLEEP:
1449         case STATE_SLEEP:
1450         case STATE_STANDBY:
1451         case STATE_AWAKE:
1452                 retval = rt73usb_set_state(rt2x00dev, state);
1453                 break;
1454         default:
1455                 retval = -ENOTSUPP;
1456                 break;
1457         }
1458
1459         if (unlikely(retval))
1460                 ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n",
1461                       state, retval);
1462
1463         return retval;
1464 }
1465
1466 /*
1467  * TX descriptor initialization
1468  */
1469 static void rt73usb_write_tx_desc(struct queue_entry *entry,
1470                                   struct txentry_desc *txdesc)
1471 {
1472         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
1473         __le32 *txd = (__le32 *) entry->skb->data;
1474         u32 word;
1475
1476         /*
1477          * Start writing the descriptor words.
1478          */
1479         rt2x00_desc_read(txd, 0, &word);
1480         rt2x00_set_field32(&word, TXD_W0_BURST,
1481                            test_bit(ENTRY_TXD_BURST, &txdesc->flags));
1482         rt2x00_set_field32(&word, TXD_W0_VALID, 1);
1483         rt2x00_set_field32(&word, TXD_W0_MORE_FRAG,
1484                            test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
1485         rt2x00_set_field32(&word, TXD_W0_ACK,
1486                            test_bit(ENTRY_TXD_ACK, &txdesc->flags));
1487         rt2x00_set_field32(&word, TXD_W0_TIMESTAMP,
1488                            test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
1489         rt2x00_set_field32(&word, TXD_W0_OFDM,
1490                            (txdesc->rate_mode == RATE_MODE_OFDM));
1491         rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs);
1492         rt2x00_set_field32(&word, TXD_W0_RETRY_MODE,
1493                            test_bit(ENTRY_TXD_RETRY_MODE, &txdesc->flags));
1494         rt2x00_set_field32(&word, TXD_W0_TKIP_MIC,
1495                            test_bit(ENTRY_TXD_ENCRYPT_MMIC, &txdesc->flags));
1496         rt2x00_set_field32(&word, TXD_W0_KEY_TABLE,
1497                            test_bit(ENTRY_TXD_ENCRYPT_PAIRWISE, &txdesc->flags));
1498         rt2x00_set_field32(&word, TXD_W0_KEY_INDEX, txdesc->key_idx);
1499         rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, txdesc->length);
1500         rt2x00_set_field32(&word, TXD_W0_BURST2,
1501                            test_bit(ENTRY_TXD_BURST, &txdesc->flags));
1502         rt2x00_set_field32(&word, TXD_W0_CIPHER_ALG, txdesc->cipher);
1503         rt2x00_desc_write(txd, 0, word);
1504
1505         rt2x00_desc_read(txd, 1, &word);
1506         rt2x00_set_field32(&word, TXD_W1_HOST_Q_ID, entry->queue->qid);
1507         rt2x00_set_field32(&word, TXD_W1_AIFSN, entry->queue->aifs);
1508         rt2x00_set_field32(&word, TXD_W1_CWMIN, entry->queue->cw_min);
1509         rt2x00_set_field32(&word, TXD_W1_CWMAX, entry->queue->cw_max);
1510         rt2x00_set_field32(&word, TXD_W1_IV_OFFSET, txdesc->iv_offset);
1511         rt2x00_set_field32(&word, TXD_W1_HW_SEQUENCE,
1512                            test_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags));
1513         rt2x00_desc_write(txd, 1, word);
1514
1515         rt2x00_desc_read(txd, 2, &word);
1516         rt2x00_set_field32(&word, TXD_W2_PLCP_SIGNAL, txdesc->signal);
1517         rt2x00_set_field32(&word, TXD_W2_PLCP_SERVICE, txdesc->service);
1518         rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_LOW, txdesc->length_low);
1519         rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_HIGH, txdesc->length_high);
1520         rt2x00_desc_write(txd, 2, word);
1521
1522         if (test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags)) {
1523                 _rt2x00_desc_write(txd, 3, skbdesc->iv[0]);
1524                 _rt2x00_desc_write(txd, 4, skbdesc->iv[1]);
1525         }
1526
1527         rt2x00_desc_read(txd, 5, &word);
1528         rt2x00_set_field32(&word, TXD_W5_TX_POWER,
1529                            TXPOWER_TO_DEV(entry->queue->rt2x00dev->tx_power));
1530         rt2x00_set_field32(&word, TXD_W5_WAITING_DMA_DONE_INT, 1);
1531         rt2x00_desc_write(txd, 5, word);
1532
1533         /*
1534          * Register descriptor details in skb frame descriptor.
1535          */
1536         skbdesc->flags |= SKBDESC_DESC_IN_SKB;
1537         skbdesc->desc = txd;
1538         skbdesc->desc_len = TXD_DESC_SIZE;
1539 }
1540
1541 /*
1542  * TX data initialization
1543  */
1544 static void rt73usb_write_beacon(struct queue_entry *entry,
1545                                  struct txentry_desc *txdesc)
1546 {
1547         struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
1548         unsigned int beacon_base;
1549         unsigned int padding_len;
1550         u32 reg;
1551
1552         /*
1553          * Disable beaconing while we are reloading the beacon data,
1554          * otherwise we might be sending out invalid data.
1555          */
1556         rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
1557         rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 0);
1558         rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
1559
1560         /*
1561          * Add space for the descriptor in front of the skb.
1562          */
1563         skb_push(entry->skb, TXD_DESC_SIZE);
1564         memset(entry->skb->data, 0, TXD_DESC_SIZE);
1565
1566         /*
1567          * Write the TX descriptor for the beacon.
1568          */
1569         rt73usb_write_tx_desc(entry, txdesc);
1570
1571         /*
1572          * Dump beacon to userspace through debugfs.
1573          */
1574         rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_BEACON, entry->skb);
1575
1576         /*
1577          * Write entire beacon with descriptor and padding to register.
1578          */
1579         padding_len = roundup(entry->skb->len, 4) - entry->skb->len;
1580         skb_pad(entry->skb, padding_len);
1581         beacon_base = HW_BEACON_OFFSET(entry->entry_idx);
1582         rt2x00usb_register_multiwrite(rt2x00dev, beacon_base, entry->skb->data,
1583                                       entry->skb->len + padding_len);
1584
1585         /*
1586          * Enable beaconing again.
1587          *
1588          * For Wi-Fi faily generated beacons between participating stations.
1589          * Set TBTT phase adaptive adjustment step to 8us (default 16us)
1590          */
1591         rt2x00usb_register_write(rt2x00dev, TXRX_CSR10, 0x00001008);
1592
1593         rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 1);
1594         rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE, 1);
1595         rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 1);
1596         rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
1597
1598         /*
1599          * Clean up the beacon skb.
1600          */
1601         dev_kfree_skb(entry->skb);
1602         entry->skb = NULL;
1603 }
1604
1605 static int rt73usb_get_tx_data_len(struct queue_entry *entry)
1606 {
1607         int length;
1608
1609         /*
1610          * The length _must_ be a multiple of 4,
1611          * but it must _not_ be a multiple of the USB packet size.
1612          */
1613         length = roundup(entry->skb->len, 4);
1614         length += (4 * !(length % entry->queue->usb_maxpacket));
1615
1616         return length;
1617 }
1618
1619 /*
1620  * RX control handlers
1621  */
1622 static int rt73usb_agc_to_rssi(struct rt2x00_dev *rt2x00dev, int rxd_w1)
1623 {
1624         u8 offset = rt2x00dev->lna_gain;
1625         u8 lna;
1626
1627         lna = rt2x00_get_field32(rxd_w1, RXD_W1_RSSI_LNA);
1628         switch (lna) {
1629         case 3:
1630                 offset += 90;
1631                 break;
1632         case 2:
1633                 offset += 74;
1634                 break;
1635         case 1:
1636                 offset += 64;
1637                 break;
1638         default:
1639                 return 0;
1640         }
1641
1642         if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ) {
1643                 if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags)) {
1644                         if (lna == 3 || lna == 2)
1645                                 offset += 10;
1646                 } else {
1647                         if (lna == 3)
1648                                 offset += 6;
1649                         else if (lna == 2)
1650                                 offset += 8;
1651                 }
1652         }
1653
1654         return rt2x00_get_field32(rxd_w1, RXD_W1_RSSI_AGC) * 2 - offset;
1655 }
1656
1657 static void rt73usb_fill_rxdone(struct queue_entry *entry,
1658                                 struct rxdone_entry_desc *rxdesc)
1659 {
1660         struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
1661         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
1662         __le32 *rxd = (__le32 *)entry->skb->data;
1663         u32 word0;
1664         u32 word1;
1665
1666         /*
1667          * Copy descriptor to the skbdesc->desc buffer, making it safe from moving of
1668          * frame data in rt2x00usb.
1669          */
1670         memcpy(skbdesc->desc, rxd, skbdesc->desc_len);
1671         rxd = (__le32 *)skbdesc->desc;
1672
1673         /*
1674          * It is now safe to read the descriptor on all architectures.
1675          */
1676         rt2x00_desc_read(rxd, 0, &word0);
1677         rt2x00_desc_read(rxd, 1, &word1);
1678
1679         if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR))
1680                 rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
1681
1682         rxdesc->cipher = rt2x00_get_field32(word0, RXD_W0_CIPHER_ALG);
1683         rxdesc->cipher_status = rt2x00_get_field32(word0, RXD_W0_CIPHER_ERROR);
1684
1685         if (rxdesc->cipher != CIPHER_NONE) {
1686                 _rt2x00_desc_read(rxd, 2, &rxdesc->iv[0]);
1687                 _rt2x00_desc_read(rxd, 3, &rxdesc->iv[1]);
1688                 rxdesc->dev_flags |= RXDONE_CRYPTO_IV;
1689
1690                 _rt2x00_desc_read(rxd, 4, &rxdesc->icv);
1691                 rxdesc->dev_flags |= RXDONE_CRYPTO_ICV;
1692
1693                 /*
1694                  * Hardware has stripped IV/EIV data from 802.11 frame during
1695                  * decryption. It has provided the data separately but rt2x00lib
1696                  * should decide if it should be reinserted.
1697                  */
1698                 rxdesc->flags |= RX_FLAG_IV_STRIPPED;
1699
1700                 /*
1701                  * FIXME: Legacy driver indicates that the frame does
1702                  * contain the Michael Mic. Unfortunately, in rt2x00
1703                  * the MIC seems to be missing completely...
1704                  */
1705                 rxdesc->flags |= RX_FLAG_MMIC_STRIPPED;
1706
1707                 if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS)
1708                         rxdesc->flags |= RX_FLAG_DECRYPTED;
1709                 else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC)
1710                         rxdesc->flags |= RX_FLAG_MMIC_ERROR;
1711         }
1712
1713         /*
1714          * Obtain the status about this packet.
1715          * When frame was received with an OFDM bitrate,
1716          * the signal is the PLCP value. If it was received with
1717          * a CCK bitrate the signal is the rate in 100kbit/s.
1718          */
1719         rxdesc->signal = rt2x00_get_field32(word1, RXD_W1_SIGNAL);
1720         rxdesc->rssi = rt73usb_agc_to_rssi(rt2x00dev, word1);
1721         rxdesc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT);
1722
1723         if (rt2x00_get_field32(word0, RXD_W0_OFDM))
1724                 rxdesc->dev_flags |= RXDONE_SIGNAL_PLCP;
1725         else
1726                 rxdesc->dev_flags |= RXDONE_SIGNAL_BITRATE;
1727         if (rt2x00_get_field32(word0, RXD_W0_MY_BSS))
1728                 rxdesc->dev_flags |= RXDONE_MY_BSS;
1729
1730         /*
1731          * Set skb pointers, and update frame information.
1732          */
1733         skb_pull(entry->skb, entry->queue->desc_size);
1734         skb_trim(entry->skb, rxdesc->size);
1735 }
1736
1737 /*
1738  * Device probe functions.
1739  */
1740 static int rt73usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
1741 {
1742         u16 word;
1743         u8 *mac;
1744         s8 value;
1745
1746         rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom, EEPROM_SIZE);
1747
1748         /*
1749          * Start validation of the data that has been read.
1750          */
1751         mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
1752         if (!is_valid_ether_addr(mac)) {
1753                 random_ether_addr(mac);
1754                 EEPROM(rt2x00dev, "MAC: %pM\n", mac);
1755         }
1756
1757         rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
1758         if (word == 0xffff) {
1759                 rt2x00_set_field16(&word, EEPROM_ANTENNA_NUM, 2);
1760                 rt2x00_set_field16(&word, EEPROM_ANTENNA_TX_DEFAULT,
1761                                    ANTENNA_B);
1762                 rt2x00_set_field16(&word, EEPROM_ANTENNA_RX_DEFAULT,
1763                                    ANTENNA_B);
1764                 rt2x00_set_field16(&word, EEPROM_ANTENNA_FRAME_TYPE, 0);
1765                 rt2x00_set_field16(&word, EEPROM_ANTENNA_DYN_TXAGC, 0);
1766                 rt2x00_set_field16(&word, EEPROM_ANTENNA_HARDWARE_RADIO, 0);
1767                 rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF5226);
1768                 rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
1769                 EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word);
1770         }
1771
1772         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word);
1773         if (word == 0xffff) {
1774                 rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA, 0);
1775                 rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word);
1776                 EEPROM(rt2x00dev, "NIC: 0x%04x\n", word);
1777         }
1778
1779         rt2x00_eeprom_read(rt2x00dev, EEPROM_LED, &word);
1780         if (word == 0xffff) {
1781                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_RDY_G, 0);
1782                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_RDY_A, 0);
1783                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_ACT, 0);
1784                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_0, 0);
1785                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_1, 0);
1786                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_2, 0);
1787                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_3, 0);
1788                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_4, 0);
1789                 rt2x00_set_field16(&word, EEPROM_LED_LED_MODE,
1790                                    LED_MODE_DEFAULT);
1791                 rt2x00_eeprom_write(rt2x00dev, EEPROM_LED, word);
1792                 EEPROM(rt2x00dev, "Led: 0x%04x\n", word);
1793         }
1794
1795         rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &word);
1796         if (word == 0xffff) {
1797                 rt2x00_set_field16(&word, EEPROM_FREQ_OFFSET, 0);
1798                 rt2x00_set_field16(&word, EEPROM_FREQ_SEQ, 0);
1799                 rt2x00_eeprom_write(rt2x00dev, EEPROM_FREQ, word);
1800                 EEPROM(rt2x00dev, "Freq: 0x%04x\n", word);
1801         }
1802
1803         rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_BG, &word);
1804         if (word == 0xffff) {
1805                 rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_1, 0);
1806                 rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_2, 0);
1807                 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_BG, word);
1808                 EEPROM(rt2x00dev, "RSSI OFFSET BG: 0x%04x\n", word);
1809         } else {
1810                 value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_BG_1);
1811                 if (value < -10 || value > 10)
1812                         rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_1, 0);
1813                 value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_BG_2);
1814                 if (value < -10 || value > 10)
1815                         rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_2, 0);
1816                 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_BG, word);
1817         }
1818
1819         rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_A, &word);
1820         if (word == 0xffff) {
1821                 rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_1, 0);
1822                 rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_2, 0);
1823                 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_A, word);
1824                 EEPROM(rt2x00dev, "RSSI OFFSET A: 0x%04x\n", word);
1825         } else {
1826                 value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_A_1);
1827                 if (value < -10 || value > 10)
1828                         rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_1, 0);
1829                 value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_A_2);
1830                 if (value < -10 || value > 10)
1831                         rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_2, 0);
1832                 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_A, word);
1833         }
1834
1835         return 0;
1836 }
1837
1838 static int rt73usb_init_eeprom(struct rt2x00_dev *rt2x00dev)
1839 {
1840         u32 reg;
1841         u16 value;
1842         u16 eeprom;
1843
1844         /*
1845          * Read EEPROM word for configuration.
1846          */
1847         rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
1848
1849         /*
1850          * Identify RF chipset.
1851          */
1852         value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
1853         rt2x00usb_register_read(rt2x00dev, MAC_CSR0, &reg);
1854         rt2x00_set_chip(rt2x00dev, rt2x00_get_field32(reg, MAC_CSR0_CHIPSET),
1855                         value, rt2x00_get_field32(reg, MAC_CSR0_REVISION));
1856
1857         if (!rt2x00_rt(rt2x00dev, RT2573) || (rt2x00_rev(rt2x00dev) == 0)) {
1858                 ERROR(rt2x00dev, "Invalid RT chipset detected.\n");
1859                 return -ENODEV;
1860         }
1861
1862         if (!rt2x00_rf(rt2x00dev, RF5226) &&
1863             !rt2x00_rf(rt2x00dev, RF2528) &&
1864             !rt2x00_rf(rt2x00dev, RF5225) &&
1865             !rt2x00_rf(rt2x00dev, RF2527)) {
1866                 ERROR(rt2x00dev, "Invalid RF chipset detected.\n");
1867                 return -ENODEV;
1868         }
1869
1870         /*
1871          * Identify default antenna configuration.
1872          */
1873         rt2x00dev->default_ant.tx =
1874             rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TX_DEFAULT);
1875         rt2x00dev->default_ant.rx =
1876             rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_DEFAULT);
1877
1878         /*
1879          * Read the Frame type.
1880          */
1881         if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_FRAME_TYPE))
1882                 __set_bit(CONFIG_FRAME_TYPE, &rt2x00dev->flags);
1883
1884         /*
1885          * Detect if this device has an hardware controlled radio.
1886          */
1887         if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO))
1888                 __set_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags);
1889
1890         /*
1891          * Read frequency offset.
1892          */
1893         rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom);
1894         rt2x00dev->freq_offset = rt2x00_get_field16(eeprom, EEPROM_FREQ_OFFSET);
1895
1896         /*
1897          * Read external LNA informations.
1898          */
1899         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom);
1900
1901         if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA)) {
1902                 __set_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags);
1903                 __set_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags);
1904         }
1905
1906         /*
1907          * Store led settings, for correct led behaviour.
1908          */
1909 #ifdef CONFIG_RT2X00_LIB_LEDS
1910         rt2x00_eeprom_read(rt2x00dev, EEPROM_LED, &eeprom);
1911
1912         rt73usb_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO);
1913         rt73usb_init_led(rt2x00dev, &rt2x00dev->led_assoc, LED_TYPE_ASSOC);
1914         if (value == LED_MODE_SIGNAL_STRENGTH)
1915                 rt73usb_init_led(rt2x00dev, &rt2x00dev->led_qual,
1916                                  LED_TYPE_QUALITY);
1917
1918         rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_LED_MODE, value);
1919         rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_0,
1920                            rt2x00_get_field16(eeprom,
1921                                               EEPROM_LED_POLARITY_GPIO_0));
1922         rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_1,
1923                            rt2x00_get_field16(eeprom,
1924                                               EEPROM_LED_POLARITY_GPIO_1));
1925         rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_2,
1926                            rt2x00_get_field16(eeprom,
1927                                               EEPROM_LED_POLARITY_GPIO_2));
1928         rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_3,
1929                            rt2x00_get_field16(eeprom,
1930                                               EEPROM_LED_POLARITY_GPIO_3));
1931         rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_4,
1932                            rt2x00_get_field16(eeprom,
1933                                               EEPROM_LED_POLARITY_GPIO_4));
1934         rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_ACT,
1935                            rt2x00_get_field16(eeprom, EEPROM_LED_POLARITY_ACT));
1936         rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_READY_BG,
1937                            rt2x00_get_field16(eeprom,
1938                                               EEPROM_LED_POLARITY_RDY_G));
1939         rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_READY_A,
1940                            rt2x00_get_field16(eeprom,
1941                                               EEPROM_LED_POLARITY_RDY_A));
1942 #endif /* CONFIG_RT2X00_LIB_LEDS */
1943
1944         return 0;
1945 }
1946
1947 /*
1948  * RF value list for RF2528
1949  * Supports: 2.4 GHz
1950  */
1951 static const struct rf_channel rf_vals_bg_2528[] = {
1952         { 1,  0x00002c0c, 0x00000786, 0x00068255, 0x000fea0b },
1953         { 2,  0x00002c0c, 0x00000786, 0x00068255, 0x000fea1f },
1954         { 3,  0x00002c0c, 0x0000078a, 0x00068255, 0x000fea0b },
1955         { 4,  0x00002c0c, 0x0000078a, 0x00068255, 0x000fea1f },
1956         { 5,  0x00002c0c, 0x0000078e, 0x00068255, 0x000fea0b },
1957         { 6,  0x00002c0c, 0x0000078e, 0x00068255, 0x000fea1f },
1958         { 7,  0x00002c0c, 0x00000792, 0x00068255, 0x000fea0b },
1959         { 8,  0x00002c0c, 0x00000792, 0x00068255, 0x000fea1f },
1960         { 9,  0x00002c0c, 0x00000796, 0x00068255, 0x000fea0b },
1961         { 10, 0x00002c0c, 0x00000796, 0x00068255, 0x000fea1f },
1962         { 11, 0x00002c0c, 0x0000079a, 0x00068255, 0x000fea0b },
1963         { 12, 0x00002c0c, 0x0000079a, 0x00068255, 0x000fea1f },
1964         { 13, 0x00002c0c, 0x0000079e, 0x00068255, 0x000fea0b },
1965         { 14, 0x00002c0c, 0x000007a2, 0x00068255, 0x000fea13 },
1966 };
1967
1968 /*
1969  * RF value list for RF5226
1970  * Supports: 2.4 GHz & 5.2 GHz
1971  */
1972 static const struct rf_channel rf_vals_5226[] = {
1973         { 1,  0x00002c0c, 0x00000786, 0x00068255, 0x000fea0b },
1974         { 2,  0x00002c0c, 0x00000786, 0x00068255, 0x000fea1f },
1975         { 3,  0x00002c0c, 0x0000078a, 0x00068255, 0x000fea0b },
1976         { 4,  0x00002c0c, 0x0000078a, 0x00068255, 0x000fea1f },
1977         { 5,  0x00002c0c, 0x0000078e, 0x00068255, 0x000fea0b },
1978         { 6,  0x00002c0c, 0x0000078e, 0x00068255, 0x000fea1f },
1979         { 7,  0x00002c0c, 0x00000792, 0x00068255, 0x000fea0b },
1980         { 8,  0x00002c0c, 0x00000792, 0x00068255, 0x000fea1f },
1981         { 9,  0x00002c0c, 0x00000796, 0x00068255, 0x000fea0b },
1982         { 10, 0x00002c0c, 0x00000796, 0x00068255, 0x000fea1f },
1983         { 11, 0x00002c0c, 0x0000079a, 0x00068255, 0x000fea0b },
1984         { 12, 0x00002c0c, 0x0000079a, 0x00068255, 0x000fea1f },
1985         { 13, 0x00002c0c, 0x0000079e, 0x00068255, 0x000fea0b },
1986         { 14, 0x00002c0c, 0x000007a2, 0x00068255, 0x000fea13 },
1987
1988         /* 802.11 UNI / HyperLan 2 */
1989         { 36, 0x00002c0c, 0x0000099a, 0x00098255, 0x000fea23 },
1990         { 40, 0x00002c0c, 0x000009a2, 0x00098255, 0x000fea03 },
1991         { 44, 0x00002c0c, 0x000009a6, 0x00098255, 0x000fea0b },
1992         { 48, 0x00002c0c, 0x000009aa, 0x00098255, 0x000fea13 },
1993         { 52, 0x00002c0c, 0x000009ae, 0x00098255, 0x000fea1b },
1994         { 56, 0x00002c0c, 0x000009b2, 0x00098255, 0x000fea23 },
1995         { 60, 0x00002c0c, 0x000009ba, 0x00098255, 0x000fea03 },
1996         { 64, 0x00002c0c, 0x000009be, 0x00098255, 0x000fea0b },
1997
1998         /* 802.11 HyperLan 2 */
1999         { 100, 0x00002c0c, 0x00000a2a, 0x000b8255, 0x000fea03 },
2000         { 104, 0x00002c0c, 0x00000a2e, 0x000b8255, 0x000fea0b },
2001         { 108, 0x00002c0c, 0x00000a32, 0x000b8255, 0x000fea13 },
2002         { 112, 0x00002c0c, 0x00000a36, 0x000b8255, 0x000fea1b },
2003         { 116, 0x00002c0c, 0x00000a3a, 0x000b8255, 0x000fea23 },
2004         { 120, 0x00002c0c, 0x00000a82, 0x000b8255, 0x000fea03 },
2005         { 124, 0x00002c0c, 0x00000a86, 0x000b8255, 0x000fea0b },
2006         { 128, 0x00002c0c, 0x00000a8a, 0x000b8255, 0x000fea13 },
2007         { 132, 0x00002c0c, 0x00000a8e, 0x000b8255, 0x000fea1b },
2008         { 136, 0x00002c0c, 0x00000a92, 0x000b8255, 0x000fea23 },
2009
2010         /* 802.11 UNII */
2011         { 140, 0x00002c0c, 0x00000a9a, 0x000b8255, 0x000fea03 },
2012         { 149, 0x00002c0c, 0x00000aa2, 0x000b8255, 0x000fea1f },
2013         { 153, 0x00002c0c, 0x00000aa6, 0x000b8255, 0x000fea27 },
2014         { 157, 0x00002c0c, 0x00000aae, 0x000b8255, 0x000fea07 },
2015         { 161, 0x00002c0c, 0x00000ab2, 0x000b8255, 0x000fea0f },
2016         { 165, 0x00002c0c, 0x00000ab6, 0x000b8255, 0x000fea17 },
2017
2018         /* MMAC(Japan)J52 ch 34,38,42,46 */
2019         { 34, 0x00002c0c, 0x0008099a, 0x000da255, 0x000d3a0b },
2020         { 38, 0x00002c0c, 0x0008099e, 0x000da255, 0x000d3a13 },
2021         { 42, 0x00002c0c, 0x000809a2, 0x000da255, 0x000d3a1b },
2022         { 46, 0x00002c0c, 0x000809a6, 0x000da255, 0x000d3a23 },
2023 };
2024
2025 /*
2026  * RF value list for RF5225 & RF2527
2027  * Supports: 2.4 GHz & 5.2 GHz
2028  */
2029 static const struct rf_channel rf_vals_5225_2527[] = {
2030         { 1,  0x00002ccc, 0x00004786, 0x00068455, 0x000ffa0b },
2031         { 2,  0x00002ccc, 0x00004786, 0x00068455, 0x000ffa1f },
2032         { 3,  0x00002ccc, 0x0000478a, 0x00068455, 0x000ffa0b },
2033         { 4,  0x00002ccc, 0x0000478a, 0x00068455, 0x000ffa1f },
2034         { 5,  0x00002ccc, 0x0000478e, 0x00068455, 0x000ffa0b },
2035         { 6,  0x00002ccc, 0x0000478e, 0x00068455, 0x000ffa1f },
2036         { 7,  0x00002ccc, 0x00004792, 0x00068455, 0x000ffa0b },
2037         { 8,  0x00002ccc, 0x00004792, 0x00068455, 0x000ffa1f },
2038         { 9,  0x00002ccc, 0x00004796, 0x00068455, 0x000ffa0b },
2039         { 10, 0x00002ccc, 0x00004796, 0x00068455, 0x000ffa1f },
2040         { 11, 0x00002ccc, 0x0000479a, 0x00068455, 0x000ffa0b },
2041         { 12, 0x00002ccc, 0x0000479a, 0x00068455, 0x000ffa1f },
2042         { 13, 0x00002ccc, 0x0000479e, 0x00068455, 0x000ffa0b },
2043         { 14, 0x00002ccc, 0x000047a2, 0x00068455, 0x000ffa13 },
2044
2045         /* 802.11 UNI / HyperLan 2 */
2046         { 36, 0x00002ccc, 0x0000499a, 0x0009be55, 0x000ffa23 },
2047         { 40, 0x00002ccc, 0x000049a2, 0x0009be55, 0x000ffa03 },
2048         { 44, 0x00002ccc, 0x000049a6, 0x0009be55, 0x000ffa0b },
2049         { 48, 0x00002ccc, 0x000049aa, 0x0009be55, 0x000ffa13 },
2050         { 52, 0x00002ccc, 0x000049ae, 0x0009ae55, 0x000ffa1b },
2051         { 56, 0x00002ccc, 0x000049b2, 0x0009ae55, 0x000ffa23 },
2052         { 60, 0x00002ccc, 0x000049ba, 0x0009ae55, 0x000ffa03 },
2053         { 64, 0x00002ccc, 0x000049be, 0x0009ae55, 0x000ffa0b },
2054
2055         /* 802.11 HyperLan 2 */
2056         { 100, 0x00002ccc, 0x00004a2a, 0x000bae55, 0x000ffa03 },
2057         { 104, 0x00002ccc, 0x00004a2e, 0x000bae55, 0x000ffa0b },
2058         { 108, 0x00002ccc, 0x00004a32, 0x000bae55, 0x000ffa13 },
2059         { 112, 0x00002ccc, 0x00004a36, 0x000bae55, 0x000ffa1b },
2060         { 116, 0x00002ccc, 0x00004a3a, 0x000bbe55, 0x000ffa23 },
2061         { 120, 0x00002ccc, 0x00004a82, 0x000bbe55, 0x000ffa03 },
2062         { 124, 0x00002ccc, 0x00004a86, 0x000bbe55, 0x000ffa0b },
2063         { 128, 0x00002ccc, 0x00004a8a, 0x000bbe55, 0x000ffa13 },
2064         { 132, 0x00002ccc, 0x00004a8e, 0x000bbe55, 0x000ffa1b },
2065         { 136, 0x00002ccc, 0x00004a92, 0x000bbe55, 0x000ffa23 },
2066
2067         /* 802.11 UNII */
2068         { 140, 0x00002ccc, 0x00004a9a, 0x000bbe55, 0x000ffa03 },
2069         { 149, 0x00002ccc, 0x00004aa2, 0x000bbe55, 0x000ffa1f },
2070         { 153, 0x00002ccc, 0x00004aa6, 0x000bbe55, 0x000ffa27 },
2071         { 157, 0x00002ccc, 0x00004aae, 0x000bbe55, 0x000ffa07 },
2072         { 161, 0x00002ccc, 0x00004ab2, 0x000bbe55, 0x000ffa0f },
2073         { 165, 0x00002ccc, 0x00004ab6, 0x000bbe55, 0x000ffa17 },
2074
2075         /* MMAC(Japan)J52 ch 34,38,42,46 */
2076         { 34, 0x00002ccc, 0x0000499a, 0x0009be55, 0x000ffa0b },
2077         { 38, 0x00002ccc, 0x0000499e, 0x0009be55, 0x000ffa13 },
2078         { 42, 0x00002ccc, 0x000049a2, 0x0009be55, 0x000ffa1b },
2079         { 46, 0x00002ccc, 0x000049a6, 0x0009be55, 0x000ffa23 },
2080 };
2081
2082
2083 static int rt73usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
2084 {
2085         struct hw_mode_spec *spec = &rt2x00dev->spec;
2086         struct channel_info *info;
2087         char *tx_power;
2088         unsigned int i;
2089
2090         /*
2091          * Initialize all hw fields.
2092          *
2093          * Don't set IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING unless we are
2094          * capable of sending the buffered frames out after the DTIM
2095          * transmission using rt2x00lib_beacondone. This will send out
2096          * multicast and broadcast traffic immediately instead of buffering it
2097          * infinitly and thus dropping it after some time.
2098          */
2099         rt2x00dev->hw->flags =
2100             IEEE80211_HW_SIGNAL_DBM |
2101             IEEE80211_HW_SUPPORTS_PS |
2102             IEEE80211_HW_PS_NULLFUNC_STACK;
2103
2104         SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
2105         SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
2106                                 rt2x00_eeprom_addr(rt2x00dev,
2107                                                    EEPROM_MAC_ADDR_0));
2108
2109         /*
2110          * Initialize hw_mode information.
2111          */
2112         spec->supported_bands = SUPPORT_BAND_2GHZ;
2113         spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
2114
2115         if (rt2x00_rf(rt2x00dev, RF2528)) {
2116                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2528);
2117                 spec->channels = rf_vals_bg_2528;
2118         } else if (rt2x00_rf(rt2x00dev, RF5226)) {
2119                 spec->supported_bands |= SUPPORT_BAND_5GHZ;
2120                 spec->num_channels = ARRAY_SIZE(rf_vals_5226);
2121                 spec->channels = rf_vals_5226;
2122         } else if (rt2x00_rf(rt2x00dev, RF2527)) {
2123                 spec->num_channels = 14;
2124                 spec->channels = rf_vals_5225_2527;
2125         } else if (rt2x00_rf(rt2x00dev, RF5225)) {
2126                 spec->supported_bands |= SUPPORT_BAND_5GHZ;
2127                 spec->num_channels = ARRAY_SIZE(rf_vals_5225_2527);
2128                 spec->channels = rf_vals_5225_2527;
2129         }
2130
2131         /*
2132          * Create channel information array
2133          */
2134         info = kcalloc(spec->num_channels, sizeof(*info), GFP_KERNEL);
2135         if (!info)
2136                 return -ENOMEM;
2137
2138         spec->channels_info = info;
2139
2140         tx_power = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_G_START);
2141         for (i = 0; i < 14; i++) {
2142                 info[i].max_power = MAX_TXPOWER;
2143                 info[i].default_power1 = TXPOWER_FROM_DEV(tx_power[i]);
2144         }
2145
2146         if (spec->num_channels > 14) {
2147                 tx_power = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A_START);
2148                 for (i = 14; i < spec->num_channels; i++) {
2149                         info[i].max_power = MAX_TXPOWER;
2150                         info[i].default_power1 = TXPOWER_FROM_DEV(tx_power[i]);
2151                 }
2152         }
2153
2154         return 0;
2155 }
2156
2157 static int rt73usb_probe_hw(struct rt2x00_dev *rt2x00dev)
2158 {
2159         int retval;
2160
2161         /*
2162          * Allocate eeprom data.
2163          */
2164         retval = rt73usb_validate_eeprom(rt2x00dev);
2165         if (retval)
2166                 return retval;
2167
2168         retval = rt73usb_init_eeprom(rt2x00dev);
2169         if (retval)
2170                 return retval;
2171
2172         /*
2173          * Initialize hw specifications.
2174          */
2175         retval = rt73usb_probe_hw_mode(rt2x00dev);
2176         if (retval)
2177                 return retval;
2178
2179         /*
2180          * This device has multiple filters for control frames,
2181          * but has no a separate filter for PS Poll frames.
2182          */
2183         __set_bit(DRIVER_SUPPORT_CONTROL_FILTERS, &rt2x00dev->flags);
2184
2185         /*
2186          * This device requires firmware.
2187          */
2188         __set_bit(DRIVER_REQUIRE_FIRMWARE, &rt2x00dev->flags);
2189         if (!modparam_nohwcrypt)
2190                 __set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags);
2191         __set_bit(DRIVER_SUPPORT_LINK_TUNING, &rt2x00dev->flags);
2192         __set_bit(DRIVER_SUPPORT_WATCHDOG, &rt2x00dev->flags);
2193
2194         /*
2195          * Set the rssi offset.
2196          */
2197         rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
2198
2199         return 0;
2200 }
2201
2202 /*
2203  * IEEE80211 stack callback functions.
2204  */
2205 static int rt73usb_conf_tx(struct ieee80211_hw *hw, u16 queue_idx,
2206                            const struct ieee80211_tx_queue_params *params)
2207 {
2208         struct rt2x00_dev *rt2x00dev = hw->priv;
2209         struct data_queue *queue;
2210         struct rt2x00_field32 field;
2211         int retval;
2212         u32 reg;
2213         u32 offset;
2214
2215         /*
2216          * First pass the configuration through rt2x00lib, that will
2217          * update the queue settings and validate the input. After that
2218          * we are free to update the registers based on the value
2219          * in the queue parameter.
2220          */
2221         retval = rt2x00mac_conf_tx(hw, queue_idx, params);
2222         if (retval)
2223                 return retval;
2224
2225         /*
2226          * We only need to perform additional register initialization
2227          * for WMM queues/
2228          */
2229         if (queue_idx >= 4)
2230                 return 0;
2231
2232         queue = rt2x00queue_get_queue(rt2x00dev, queue_idx);
2233
2234         /* Update WMM TXOP register */
2235         offset = AC_TXOP_CSR0 + (sizeof(u32) * (!!(queue_idx & 2)));
2236         field.bit_offset = (queue_idx & 1) * 16;
2237         field.bit_mask = 0xffff << field.bit_offset;
2238
2239         rt2x00usb_register_read(rt2x00dev, offset, &reg);
2240         rt2x00_set_field32(&reg, field, queue->txop);
2241         rt2x00usb_register_write(rt2x00dev, offset, reg);
2242
2243         /* Update WMM registers */
2244         field.bit_offset = queue_idx * 4;
2245         field.bit_mask = 0xf << field.bit_offset;
2246
2247         rt2x00usb_register_read(rt2x00dev, AIFSN_CSR, &reg);
2248         rt2x00_set_field32(&reg, field, queue->aifs);
2249         rt2x00usb_register_write(rt2x00dev, AIFSN_CSR, reg);
2250
2251         rt2x00usb_register_read(rt2x00dev, CWMIN_CSR, &reg);
2252         rt2x00_set_field32(&reg, field, queue->cw_min);
2253         rt2x00usb_register_write(rt2x00dev, CWMIN_CSR, reg);
2254
2255         rt2x00usb_register_read(rt2x00dev, CWMAX_CSR, &reg);
2256         rt2x00_set_field32(&reg, field, queue->cw_max);
2257         rt2x00usb_register_write(rt2x00dev, CWMAX_CSR, reg);
2258
2259         return 0;
2260 }
2261
2262 static u64 rt73usb_get_tsf(struct ieee80211_hw *hw)
2263 {
2264         struct rt2x00_dev *rt2x00dev = hw->priv;
2265         u64 tsf;
2266         u32 reg;
2267
2268         rt2x00usb_register_read(rt2x00dev, TXRX_CSR13, &reg);
2269         tsf = (u64) rt2x00_get_field32(reg, TXRX_CSR13_HIGH_TSFTIMER) << 32;
2270         rt2x00usb_register_read(rt2x00dev, TXRX_CSR12, &reg);
2271         tsf |= rt2x00_get_field32(reg, TXRX_CSR12_LOW_TSFTIMER);
2272
2273         return tsf;
2274 }
2275
2276 static const struct ieee80211_ops rt73usb_mac80211_ops = {
2277         .tx                     = rt2x00mac_tx,
2278         .start                  = rt2x00mac_start,
2279         .stop                   = rt2x00mac_stop,
2280         .add_interface          = rt2x00mac_add_interface,
2281         .remove_interface       = rt2x00mac_remove_interface,
2282         .config                 = rt2x00mac_config,
2283         .configure_filter       = rt2x00mac_configure_filter,
2284         .set_tim                = rt2x00mac_set_tim,
2285         .set_key                = rt2x00mac_set_key,
2286         .sw_scan_start          = rt2x00mac_sw_scan_start,
2287         .sw_scan_complete       = rt2x00mac_sw_scan_complete,
2288         .get_stats              = rt2x00mac_get_stats,
2289         .bss_info_changed       = rt2x00mac_bss_info_changed,
2290         .conf_tx                = rt73usb_conf_tx,
2291         .get_tsf                = rt73usb_get_tsf,
2292         .rfkill_poll            = rt2x00mac_rfkill_poll,
2293         .flush                  = rt2x00mac_flush,
2294 };
2295
2296 static const struct rt2x00lib_ops rt73usb_rt2x00_ops = {
2297         .probe_hw               = rt73usb_probe_hw,
2298         .get_firmware_name      = rt73usb_get_firmware_name,
2299         .check_firmware         = rt73usb_check_firmware,
2300         .load_firmware          = rt73usb_load_firmware,
2301         .initialize             = rt2x00usb_initialize,
2302         .uninitialize           = rt2x00usb_uninitialize,
2303         .clear_entry            = rt2x00usb_clear_entry,
2304         .set_device_state       = rt73usb_set_device_state,
2305         .rfkill_poll            = rt73usb_rfkill_poll,
2306         .link_stats             = rt73usb_link_stats,
2307         .reset_tuner            = rt73usb_reset_tuner,
2308         .link_tuner             = rt73usb_link_tuner,
2309         .watchdog               = rt2x00usb_watchdog,
2310         .start_queue            = rt73usb_start_queue,
2311         .kick_queue             = rt2x00usb_kick_queue,
2312         .stop_queue             = rt73usb_stop_queue,
2313         .flush_queue            = rt2x00usb_flush_queue,
2314         .write_tx_desc          = rt73usb_write_tx_desc,
2315         .write_beacon           = rt73usb_write_beacon,
2316         .get_tx_data_len        = rt73usb_get_tx_data_len,
2317         .fill_rxdone            = rt73usb_fill_rxdone,
2318         .config_shared_key      = rt73usb_config_shared_key,
2319         .config_pairwise_key    = rt73usb_config_pairwise_key,
2320         .config_filter          = rt73usb_config_filter,
2321         .config_intf            = rt73usb_config_intf,
2322         .config_erp             = rt73usb_config_erp,
2323         .config_ant             = rt73usb_config_ant,
2324         .config                 = rt73usb_config,
2325 };
2326
2327 static const struct data_queue_desc rt73usb_queue_rx = {
2328         .entry_num              = 32,
2329         .data_size              = DATA_FRAME_SIZE,
2330         .desc_size              = RXD_DESC_SIZE,
2331         .priv_size              = sizeof(struct queue_entry_priv_usb),
2332 };
2333
2334 static const struct data_queue_desc rt73usb_queue_tx = {
2335         .entry_num              = 32,
2336         .data_size              = DATA_FRAME_SIZE,
2337         .desc_size              = TXD_DESC_SIZE,
2338         .priv_size              = sizeof(struct queue_entry_priv_usb),
2339 };
2340
2341 static const struct data_queue_desc rt73usb_queue_bcn = {
2342         .entry_num              = 4,
2343         .data_size              = MGMT_FRAME_SIZE,
2344         .desc_size              = TXINFO_SIZE,
2345         .priv_size              = sizeof(struct queue_entry_priv_usb),
2346 };
2347
2348 static const struct rt2x00_ops rt73usb_ops = {
2349         .name                   = KBUILD_MODNAME,
2350         .max_sta_intf           = 1,
2351         .max_ap_intf            = 4,
2352         .eeprom_size            = EEPROM_SIZE,
2353         .rf_size                = RF_SIZE,
2354         .tx_queues              = NUM_TX_QUEUES,
2355         .extra_tx_headroom      = TXD_DESC_SIZE,
2356         .rx                     = &rt73usb_queue_rx,
2357         .tx                     = &rt73usb_queue_tx,
2358         .bcn                    = &rt73usb_queue_bcn,
2359         .lib                    = &rt73usb_rt2x00_ops,
2360         .hw                     = &rt73usb_mac80211_ops,
2361 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
2362         .debugfs                = &rt73usb_rt2x00debug,
2363 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
2364 };
2365
2366 /*
2367  * rt73usb module information.
2368  */
2369 static struct usb_device_id rt73usb_device_table[] = {
2370         /* AboCom */
2371         { USB_DEVICE(0x07b8, 0xb21b), USB_DEVICE_DATA(&rt73usb_ops) },
2372         { USB_DEVICE(0x07b8, 0xb21c), USB_DEVICE_DATA(&rt73usb_ops) },
2373         { USB_DEVICE(0x07b8, 0xb21d), USB_DEVICE_DATA(&rt73usb_ops) },
2374         { USB_DEVICE(0x07b8, 0xb21e), USB_DEVICE_DATA(&rt73usb_ops) },
2375         { USB_DEVICE(0x07b8, 0xb21f), USB_DEVICE_DATA(&rt73usb_ops) },
2376         /* AL */
2377         { USB_DEVICE(0x14b2, 0x3c10), USB_DEVICE_DATA(&rt73usb_ops) },
2378         /* Amigo */
2379         { USB_DEVICE(0x148f, 0x9021), USB_DEVICE_DATA(&rt73usb_ops) },
2380         { USB_DEVICE(0x0eb0, 0x9021), USB_DEVICE_DATA(&rt73usb_ops) },
2381         /* AMIT  */
2382         { USB_DEVICE(0x18c5, 0x0002), USB_DEVICE_DATA(&rt73usb_ops) },
2383         /* Askey */
2384         { USB_DEVICE(0x1690, 0x0722), USB_DEVICE_DATA(&rt73usb_ops) },
2385         /* ASUS */
2386         { USB_DEVICE(0x0b05, 0x1723), USB_DEVICE_DATA(&rt73usb_ops) },
2387         { USB_DEVICE(0x0b05, 0x1724), USB_DEVICE_DATA(&rt73usb_ops) },
2388         /* Belkin */
2389         { USB_DEVICE(0x050d, 0x7050), USB_DEVICE_DATA(&rt73usb_ops) },
2390         { USB_DEVICE(0x050d, 0x705a), USB_DEVICE_DATA(&rt73usb_ops) },
2391         { USB_DEVICE(0x050d, 0x905b), USB_DEVICE_DATA(&rt73usb_ops) },
2392         { USB_DEVICE(0x050d, 0x905c), USB_DEVICE_DATA(&rt73usb_ops) },
2393         /* Billionton */
2394         { USB_DEVICE(0x1631, 0xc019), USB_DEVICE_DATA(&rt73usb_ops) },
2395         { USB_DEVICE(0x08dd, 0x0120), USB_DEVICE_DATA(&rt73usb_ops) },
2396         /* Buffalo */
2397         { USB_DEVICE(0x0411, 0x00d8), USB_DEVICE_DATA(&rt73usb_ops) },
2398         { USB_DEVICE(0x0411, 0x00d9), USB_DEVICE_DATA(&rt73usb_ops) },
2399         { USB_DEVICE(0x0411, 0x00f4), USB_DEVICE_DATA(&rt73usb_ops) },
2400         { USB_DEVICE(0x0411, 0x0116), USB_DEVICE_DATA(&rt73usb_ops) },
2401         { USB_DEVICE(0x0411, 0x0119), USB_DEVICE_DATA(&rt73usb_ops) },
2402         { USB_DEVICE(0x0411, 0x0137), USB_DEVICE_DATA(&rt73usb_ops) },
2403         /* CEIVA */
2404         { USB_DEVICE(0x178d, 0x02be), USB_DEVICE_DATA(&rt73usb_ops) },
2405         /* CNet */
2406         { USB_DEVICE(0x1371, 0x9022), USB_DEVICE_DATA(&rt73usb_ops) },
2407         { USB_DEVICE(0x1371, 0x9032), USB_DEVICE_DATA(&rt73usb_ops) },
2408         /* Conceptronic */
2409         { USB_DEVICE(0x14b2, 0x3c22), USB_DEVICE_DATA(&rt73usb_ops) },
2410         /* Corega */
2411         { USB_DEVICE(0x07aa, 0x002e), USB_DEVICE_DATA(&rt73usb_ops) },
2412         /* D-Link */
2413         { USB_DEVICE(0x07d1, 0x3c03), USB_DEVICE_DATA(&rt73usb_ops) },
2414         { USB_DEVICE(0x07d1, 0x3c04), USB_DEVICE_DATA(&rt73usb_ops) },
2415         { USB_DEVICE(0x07d1, 0x3c06), USB_DEVICE_DATA(&rt73usb_ops) },
2416         { USB_DEVICE(0x07d1, 0x3c07), USB_DEVICE_DATA(&rt73usb_ops) },
2417         /* Edimax */
2418         { USB_DEVICE(0x7392, 0x7318), USB_DEVICE_DATA(&rt73usb_ops) },
2419         { USB_DEVICE(0x7392, 0x7618), USB_DEVICE_DATA(&rt73usb_ops) },
2420         /* EnGenius */
2421         { USB_DEVICE(0x1740, 0x3701), USB_DEVICE_DATA(&rt73usb_ops) },
2422         /* Gemtek */
2423         { USB_DEVICE(0x15a9, 0x0004), USB_DEVICE_DATA(&rt73usb_ops) },
2424         /* Gigabyte */
2425         { USB_DEVICE(0x1044, 0x8008), USB_DEVICE_DATA(&rt73usb_ops) },
2426         { USB_DEVICE(0x1044, 0x800a), USB_DEVICE_DATA(&rt73usb_ops) },
2427         /* Huawei-3Com */
2428         { USB_DEVICE(0x1472, 0x0009), USB_DEVICE_DATA(&rt73usb_ops) },
2429         /* Hercules */
2430         { USB_DEVICE(0x06f8, 0xe002), USB_DEVICE_DATA(&rt73usb_ops) },
2431         { USB_DEVICE(0x06f8, 0xe010), USB_DEVICE_DATA(&rt73usb_ops) },
2432         { USB_DEVICE(0x06f8, 0xe020), USB_DEVICE_DATA(&rt73usb_ops) },
2433         /* Linksys */
2434         { USB_DEVICE(0x13b1, 0x0020), USB_DEVICE_DATA(&rt73usb_ops) },
2435         { USB_DEVICE(0x13b1, 0x0023), USB_DEVICE_DATA(&rt73usb_ops) },
2436         { USB_DEVICE(0x13b1, 0x0028), USB_DEVICE_DATA(&rt73usb_ops) },
2437         /* MSI */
2438         { USB_DEVICE(0x0db0, 0x4600), USB_DEVICE_DATA(&rt73usb_ops) },
2439         { USB_DEVICE(0x0db0, 0x6877), USB_DEVICE_DATA(&rt73usb_ops) },
2440         { USB_DEVICE(0x0db0, 0x6874), USB_DEVICE_DATA(&rt73usb_ops) },
2441         { USB_DEVICE(0x0db0, 0xa861), USB_DEVICE_DATA(&rt73usb_ops) },
2442         { USB_DEVICE(0x0db0, 0xa874), USB_DEVICE_DATA(&rt73usb_ops) },
2443         /* Ovislink */
2444         { USB_DEVICE(0x1b75, 0x7318), USB_DEVICE_DATA(&rt73usb_ops) },
2445         /* Ralink */
2446         { USB_DEVICE(0x04bb, 0x093d), USB_DEVICE_DATA(&rt73usb_ops) },
2447         { USB_DEVICE(0x148f, 0x2573), USB_DEVICE_DATA(&rt73usb_ops) },
2448         { USB_DEVICE(0x148f, 0x2671), USB_DEVICE_DATA(&rt73usb_ops) },
2449         { USB_DEVICE(0x0812, 0x3101), USB_DEVICE_DATA(&rt73usb_ops) },
2450         /* Qcom */
2451         { USB_DEVICE(0x18e8, 0x6196), USB_DEVICE_DATA(&rt73usb_ops) },
2452         { USB_DEVICE(0x18e8, 0x6229), USB_DEVICE_DATA(&rt73usb_ops) },
2453         { USB_DEVICE(0x18e8, 0x6238), USB_DEVICE_DATA(&rt73usb_ops) },
2454         /* Samsung */
2455         { USB_DEVICE(0x04e8, 0x4471), USB_DEVICE_DATA(&rt73usb_ops) },
2456         /* Senao */
2457         { USB_DEVICE(0x1740, 0x7100), USB_DEVICE_DATA(&rt73usb_ops) },
2458         /* Sitecom */
2459         { USB_DEVICE(0x0df6, 0x0024), USB_DEVICE_DATA(&rt73usb_ops) },
2460         { USB_DEVICE(0x0df6, 0x0027), USB_DEVICE_DATA(&rt73usb_ops) },
2461         { USB_DEVICE(0x0df6, 0x002f), USB_DEVICE_DATA(&rt73usb_ops) },
2462         { USB_DEVICE(0x0df6, 0x90ac), USB_DEVICE_DATA(&rt73usb_ops) },
2463         { USB_DEVICE(0x0df6, 0x9712), USB_DEVICE_DATA(&rt73usb_ops) },
2464         /* Surecom */
2465         { USB_DEVICE(0x0769, 0x31f3), USB_DEVICE_DATA(&rt73usb_ops) },
2466         /* Tilgin */
2467         { USB_DEVICE(0x6933, 0x5001), USB_DEVICE_DATA(&rt73usb_ops) },
2468         /* Philips */
2469         { USB_DEVICE(0x0471, 0x200a), USB_DEVICE_DATA(&rt73usb_ops) },
2470         /* Planex */
2471         { USB_DEVICE(0x2019, 0xab01), USB_DEVICE_DATA(&rt73usb_ops) },
2472         { USB_DEVICE(0x2019, 0xab50), USB_DEVICE_DATA(&rt73usb_ops) },
2473         /* WideTell */
2474         { USB_DEVICE(0x7167, 0x3840), USB_DEVICE_DATA(&rt73usb_ops) },
2475         /* Zcom */
2476         { USB_DEVICE(0x0cde, 0x001c), USB_DEVICE_DATA(&rt73usb_ops) },
2477         /* ZyXEL */
2478         { USB_DEVICE(0x0586, 0x3415), USB_DEVICE_DATA(&rt73usb_ops) },
2479         { 0, }
2480 };
2481
2482 MODULE_AUTHOR(DRV_PROJECT);
2483 MODULE_VERSION(DRV_VERSION);
2484 MODULE_DESCRIPTION("Ralink RT73 USB Wireless LAN driver.");
2485 MODULE_SUPPORTED_DEVICE("Ralink RT2571W & RT2671 USB chipset based cards");
2486 MODULE_DEVICE_TABLE(usb, rt73usb_device_table);
2487 MODULE_FIRMWARE(FIRMWARE_RT2571);
2488 MODULE_LICENSE("GPL");
2489
2490 static struct usb_driver rt73usb_driver = {
2491         .name           = KBUILD_MODNAME,
2492         .id_table       = rt73usb_device_table,
2493         .probe          = rt2x00usb_probe,
2494         .disconnect     = rt2x00usb_disconnect,
2495         .suspend        = rt2x00usb_suspend,
2496         .resume         = rt2x00usb_resume,
2497 };
2498
2499 static int __init rt73usb_init(void)
2500 {
2501         return usb_register(&rt73usb_driver);
2502 }
2503
2504 static void __exit rt73usb_exit(void)
2505 {
2506         usb_deregister(&rt73usb_driver);
2507 }
2508
2509 module_init(rt73usb_init);
2510 module_exit(rt73usb_exit);