wl1251: fix ELP_CTRL register reads
[pandora-wifi.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/usb.h>
34
35 #include "rt2x00.h"
36 #include "rt2x00usb.h"
37 #include "rt73usb.h"
38
39 /*
40  * Allow hardware encryption to be disabled.
41  */
42 static int modparam_nohwcrypt = 0;
43 module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
44 MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
45
46 /*
47  * Register access.
48  * All access to the CSR registers will go through the methods
49  * rt2x00usb_register_read and rt2x00usb_register_write.
50  * BBP and RF register require indirect register access,
51  * and use the CSR registers BBPCSR and RFCSR to achieve this.
52  * These indirect registers work with busy bits,
53  * and we will try maximal REGISTER_BUSY_COUNT times to access
54  * the register while taking a REGISTER_BUSY_DELAY us delay
55  * between each attampt. When the busy bit is still set at that time,
56  * the access attempt is considered to have failed,
57  * and we will print an error.
58  * The _lock versions must be used if you already hold the csr_mutex
59  */
60 #define WAIT_FOR_BBP(__dev, __reg) \
61         rt2x00usb_regbusy_read((__dev), PHY_CSR3, PHY_CSR3_BUSY, (__reg))
62 #define WAIT_FOR_RF(__dev, __reg) \
63         rt2x00usb_regbusy_read((__dev), PHY_CSR4, PHY_CSR4_BUSY, (__reg))
64
65 static void rt73usb_bbp_write(struct rt2x00_dev *rt2x00dev,
66                               const unsigned int word, const u8 value)
67 {
68         u32 reg;
69
70         mutex_lock(&rt2x00dev->csr_mutex);
71
72         /*
73          * Wait until the BBP becomes available, afterwards we
74          * can safely write the new data into the register.
75          */
76         if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
77                 reg = 0;
78                 rt2x00_set_field32(&reg, PHY_CSR3_VALUE, value);
79                 rt2x00_set_field32(&reg, PHY_CSR3_REGNUM, word);
80                 rt2x00_set_field32(&reg, PHY_CSR3_BUSY, 1);
81                 rt2x00_set_field32(&reg, PHY_CSR3_READ_CONTROL, 0);
82
83                 rt2x00usb_register_write_lock(rt2x00dev, PHY_CSR3, reg);
84         }
85
86         mutex_unlock(&rt2x00dev->csr_mutex);
87 }
88
89 static void rt73usb_bbp_read(struct rt2x00_dev *rt2x00dev,
90                              const unsigned int word, u8 *value)
91 {
92         u32 reg;
93
94         mutex_lock(&rt2x00dev->csr_mutex);
95
96         /*
97          * Wait until the BBP becomes available, afterwards we
98          * can safely write the read request into the register.
99          * After the data has been written, we wait until hardware
100          * returns the correct value, if at any time the register
101          * doesn't become available in time, reg will be 0xffffffff
102          * which means we return 0xff to the caller.
103          */
104         if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
105                 reg = 0;
106                 rt2x00_set_field32(&reg, PHY_CSR3_REGNUM, word);
107                 rt2x00_set_field32(&reg, PHY_CSR3_BUSY, 1);
108                 rt2x00_set_field32(&reg, PHY_CSR3_READ_CONTROL, 1);
109
110                 rt2x00usb_register_write_lock(rt2x00dev, PHY_CSR3, reg);
111
112                 WAIT_FOR_BBP(rt2x00dev, &reg);
113         }
114
115         *value = rt2x00_get_field32(reg, PHY_CSR3_VALUE);
116
117         mutex_unlock(&rt2x00dev->csr_mutex);
118 }
119
120 static void rt73usb_rf_write(struct rt2x00_dev *rt2x00dev,
121                              const unsigned int word, const u32 value)
122 {
123         u32 reg;
124
125         mutex_lock(&rt2x00dev->csr_mutex);
126
127         /*
128          * Wait until the RF becomes available, afterwards we
129          * can safely write the new data into the register.
130          */
131         if (WAIT_FOR_RF(rt2x00dev, &reg)) {
132                 reg = 0;
133                 rt2x00_set_field32(&reg, PHY_CSR4_VALUE, value);
134                 /*
135                  * RF5225 and RF2527 contain 21 bits per RF register value,
136                  * all others contain 20 bits.
137                  */
138                 rt2x00_set_field32(&reg, PHY_CSR4_NUMBER_OF_BITS,
139                                    20 + (rt2x00_rf(rt2x00dev, RF5225) ||
140                                          rt2x00_rf(rt2x00dev, RF2527)));
141                 rt2x00_set_field32(&reg, PHY_CSR4_IF_SELECT, 0);
142                 rt2x00_set_field32(&reg, PHY_CSR4_BUSY, 1);
143
144                 rt2x00usb_register_write_lock(rt2x00dev, PHY_CSR4, reg);
145                 rt2x00_rf_write(rt2x00dev, word, value);
146         }
147
148         mutex_unlock(&rt2x00dev->csr_mutex);
149 }
150
151 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
152 static const struct rt2x00debug rt73usb_rt2x00debug = {
153         .owner  = THIS_MODULE,
154         .csr    = {
155                 .read           = rt2x00usb_register_read,
156                 .write          = rt2x00usb_register_write,
157                 .flags          = RT2X00DEBUGFS_OFFSET,
158                 .word_base      = CSR_REG_BASE,
159                 .word_size      = sizeof(u32),
160                 .word_count     = CSR_REG_SIZE / sizeof(u32),
161         },
162         .eeprom = {
163                 .read           = rt2x00_eeprom_read,
164                 .write          = rt2x00_eeprom_write,
165                 .word_base      = EEPROM_BASE,
166                 .word_size      = sizeof(u16),
167                 .word_count     = EEPROM_SIZE / sizeof(u16),
168         },
169         .bbp    = {
170                 .read           = rt73usb_bbp_read,
171                 .write          = rt73usb_bbp_write,
172                 .word_base      = BBP_BASE,
173                 .word_size      = sizeof(u8),
174                 .word_count     = BBP_SIZE / sizeof(u8),
175         },
176         .rf     = {
177                 .read           = rt2x00_rf_read,
178                 .write          = rt73usb_rf_write,
179                 .word_base      = RF_BASE,
180                 .word_size      = sizeof(u32),
181                 .word_count     = RF_SIZE / sizeof(u32),
182         },
183 };
184 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
185
186 static int rt73usb_rfkill_poll(struct rt2x00_dev *rt2x00dev)
187 {
188         u32 reg;
189
190         rt2x00usb_register_read(rt2x00dev, MAC_CSR13, &reg);
191         return rt2x00_get_field32(reg, MAC_CSR13_BIT7);
192 }
193
194 #ifdef CONFIG_RT2X00_LIB_LEDS
195 static void rt73usb_brightness_set(struct led_classdev *led_cdev,
196                                    enum led_brightness brightness)
197 {
198         struct rt2x00_led *led =
199            container_of(led_cdev, struct rt2x00_led, led_dev);
200         unsigned int enabled = brightness != LED_OFF;
201         unsigned int a_mode =
202             (enabled && led->rt2x00dev->curr_band == IEEE80211_BAND_5GHZ);
203         unsigned int bg_mode =
204             (enabled && led->rt2x00dev->curr_band == IEEE80211_BAND_2GHZ);
205
206         if (led->type == LED_TYPE_RADIO) {
207                 rt2x00_set_field16(&led->rt2x00dev->led_mcu_reg,
208                                    MCU_LEDCS_RADIO_STATUS, enabled);
209
210                 rt2x00usb_vendor_request_sw(led->rt2x00dev, USB_LED_CONTROL,
211                                             0, led->rt2x00dev->led_mcu_reg,
212                                             REGISTER_TIMEOUT);
213         } else if (led->type == LED_TYPE_ASSOC) {
214                 rt2x00_set_field16(&led->rt2x00dev->led_mcu_reg,
215                                    MCU_LEDCS_LINK_BG_STATUS, bg_mode);
216                 rt2x00_set_field16(&led->rt2x00dev->led_mcu_reg,
217                                    MCU_LEDCS_LINK_A_STATUS, a_mode);
218
219                 rt2x00usb_vendor_request_sw(led->rt2x00dev, USB_LED_CONTROL,
220                                             0, led->rt2x00dev->led_mcu_reg,
221                                             REGISTER_TIMEOUT);
222         } else if (led->type == LED_TYPE_QUALITY) {
223                 /*
224                  * The brightness is divided into 6 levels (0 - 5),
225                  * this means we need to convert the brightness
226                  * argument into the matching level within that range.
227                  */
228                 rt2x00usb_vendor_request_sw(led->rt2x00dev, USB_LED_CONTROL,
229                                             brightness / (LED_FULL / 6),
230                                             led->rt2x00dev->led_mcu_reg,
231                                             REGISTER_TIMEOUT);
232         }
233 }
234
235 static int rt73usb_blink_set(struct led_classdev *led_cdev,
236                              unsigned long *delay_on,
237                              unsigned long *delay_off)
238 {
239         struct rt2x00_led *led =
240             container_of(led_cdev, struct rt2x00_led, led_dev);
241         u32 reg;
242
243         rt2x00usb_register_read(led->rt2x00dev, MAC_CSR14, &reg);
244         rt2x00_set_field32(&reg, MAC_CSR14_ON_PERIOD, *delay_on);
245         rt2x00_set_field32(&reg, MAC_CSR14_OFF_PERIOD, *delay_off);
246         rt2x00usb_register_write(led->rt2x00dev, MAC_CSR14, reg);
247
248         return 0;
249 }
250
251 static void rt73usb_init_led(struct rt2x00_dev *rt2x00dev,
252                              struct rt2x00_led *led,
253                              enum led_type type)
254 {
255         led->rt2x00dev = rt2x00dev;
256         led->type = type;
257         led->led_dev.brightness_set = rt73usb_brightness_set;
258         led->led_dev.blink_set = rt73usb_blink_set;
259         led->flags = LED_INITIALIZED;
260 }
261 #endif /* CONFIG_RT2X00_LIB_LEDS */
262
263 /*
264  * Configuration handlers.
265  */
266 static int rt73usb_config_shared_key(struct rt2x00_dev *rt2x00dev,
267                                      struct rt2x00lib_crypto *crypto,
268                                      struct ieee80211_key_conf *key)
269 {
270         struct hw_key_entry key_entry;
271         struct rt2x00_field32 field;
272         int timeout;
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                 timeout = REGISTER_TIMEOUT32(sizeof(key_entry));
309                 rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE,
310                                                     USB_VENDOR_REQUEST_OUT, reg,
311                                                     &key_entry,
312                                                     sizeof(key_entry),
313                                                     timeout);
314
315                 /*
316                  * The cipher types are stored over 2 registers.
317                  * bssidx 0 and 1 keys are stored in SEC_CSR1 and
318                  * bssidx 1 and 2 keys are stored in SEC_CSR5.
319                  * Using the correct defines correctly will cause overhead,
320                  * so just calculate the correct offset.
321                  */
322                 if (key->hw_key_idx < 8) {
323                         field.bit_offset = (3 * key->hw_key_idx);
324                         field.bit_mask = 0x7 << field.bit_offset;
325
326                         rt2x00usb_register_read(rt2x00dev, SEC_CSR1, &reg);
327                         rt2x00_set_field32(&reg, field, crypto->cipher);
328                         rt2x00usb_register_write(rt2x00dev, SEC_CSR1, reg);
329                 } else {
330                         field.bit_offset = (3 * (key->hw_key_idx - 8));
331                         field.bit_mask = 0x7 << field.bit_offset;
332
333                         rt2x00usb_register_read(rt2x00dev, SEC_CSR5, &reg);
334                         rt2x00_set_field32(&reg, field, crypto->cipher);
335                         rt2x00usb_register_write(rt2x00dev, SEC_CSR5, reg);
336                 }
337
338                 /*
339                  * The driver does not support the IV/EIV generation
340                  * in hardware. However it doesn't support the IV/EIV
341                  * inside the ieee80211 frame either, but requires it
342                  * to be provided separately for the descriptor.
343                  * rt2x00lib will cut the IV/EIV data out of all frames
344                  * given to us by mac80211, but we must tell mac80211
345                  * to generate the IV/EIV data.
346                  */
347                 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
348         }
349
350         /*
351          * SEC_CSR0 contains only single-bit fields to indicate
352          * a particular key is valid. Because using the FIELD32()
353          * defines directly will cause a lot of overhead we use
354          * a calculation to determine the correct bit directly.
355          */
356         mask = 1 << key->hw_key_idx;
357
358         rt2x00usb_register_read(rt2x00dev, SEC_CSR0, &reg);
359         if (crypto->cmd == SET_KEY)
360                 reg |= mask;
361         else if (crypto->cmd == DISABLE_KEY)
362                 reg &= ~mask;
363         rt2x00usb_register_write(rt2x00dev, SEC_CSR0, reg);
364
365         return 0;
366 }
367
368 static int rt73usb_config_pairwise_key(struct rt2x00_dev *rt2x00dev,
369                                        struct rt2x00lib_crypto *crypto,
370                                        struct ieee80211_key_conf *key)
371 {
372         struct hw_pairwise_ta_entry addr_entry;
373         struct hw_key_entry key_entry;
374         int timeout;
375         u32 mask;
376         u32 reg;
377
378         if (crypto->cmd == SET_KEY) {
379                 /*
380                  * rt2x00lib can't determine the correct free
381                  * key_idx for pairwise keys. We have 2 registers
382                  * with key valid bits. The goal is simple, read
383                  * the first register, if that is full move to
384                  * the next register.
385                  * When both registers are full, we drop the key,
386                  * otherwise we use the first invalid entry.
387                  */
388                 rt2x00usb_register_read(rt2x00dev, SEC_CSR2, &reg);
389                 if (reg && reg == ~0) {
390                         key->hw_key_idx = 32;
391                         rt2x00usb_register_read(rt2x00dev, SEC_CSR3, &reg);
392                         if (reg && reg == ~0)
393                                 return -ENOSPC;
394                 }
395
396                 key->hw_key_idx += reg ? ffz(reg) : 0;
397
398                 /*
399                  * Upload key to hardware
400                  */
401                 memcpy(key_entry.key, crypto->key,
402                        sizeof(key_entry.key));
403                 memcpy(key_entry.tx_mic, crypto->tx_mic,
404                        sizeof(key_entry.tx_mic));
405                 memcpy(key_entry.rx_mic, crypto->rx_mic,
406                        sizeof(key_entry.rx_mic));
407
408                 reg = PAIRWISE_KEY_ENTRY(key->hw_key_idx);
409                 timeout = REGISTER_TIMEOUT32(sizeof(key_entry));
410                 rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE,
411                                                     USB_VENDOR_REQUEST_OUT, reg,
412                                                     &key_entry,
413                                                     sizeof(key_entry),
414                                                     timeout);
415
416                 /*
417                  * Send the address and cipher type to the hardware register.
418                  * This data fits within the CSR cache size, so we can use
419                  * rt2x00usb_register_multiwrite() directly.
420                  */
421                 memset(&addr_entry, 0, sizeof(addr_entry));
422                 memcpy(&addr_entry, crypto->address, ETH_ALEN);
423                 addr_entry.cipher = crypto->cipher;
424
425                 reg = PAIRWISE_TA_ENTRY(key->hw_key_idx);
426                 rt2x00usb_register_multiwrite(rt2x00dev, reg,
427                                             &addr_entry, sizeof(addr_entry));
428
429                 /*
430                  * Enable pairwise lookup table for given BSS idx,
431                  * without this received frames will not be decrypted
432                  * by the hardware.
433                  */
434                 rt2x00usb_register_read(rt2x00dev, SEC_CSR4, &reg);
435                 reg |= (1 << crypto->bssidx);
436                 rt2x00usb_register_write(rt2x00dev, SEC_CSR4, reg);
437
438                 /*
439                  * The driver does not support the IV/EIV generation
440                  * in hardware. However it doesn't support the IV/EIV
441                  * inside the ieee80211 frame either, but requires it
442                  * to be provided separately for the descriptor.
443                  * rt2x00lib will cut the IV/EIV data out of all frames
444                  * given to us by mac80211, but we must tell mac80211
445                  * to generate the IV/EIV data.
446                  */
447                 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
448         }
449
450         /*
451          * SEC_CSR2 and SEC_CSR3 contain only single-bit fields to indicate
452          * a particular key is valid. Because using the FIELD32()
453          * defines directly will cause a lot of overhead we use
454          * a calculation to determine the correct bit directly.
455          */
456         if (key->hw_key_idx < 32) {
457                 mask = 1 << key->hw_key_idx;
458
459                 rt2x00usb_register_read(rt2x00dev, SEC_CSR2, &reg);
460                 if (crypto->cmd == SET_KEY)
461                         reg |= mask;
462                 else if (crypto->cmd == DISABLE_KEY)
463                         reg &= ~mask;
464                 rt2x00usb_register_write(rt2x00dev, SEC_CSR2, reg);
465         } else {
466                 mask = 1 << (key->hw_key_idx - 32);
467
468                 rt2x00usb_register_read(rt2x00dev, SEC_CSR3, &reg);
469                 if (crypto->cmd == SET_KEY)
470                         reg |= mask;
471                 else if (crypto->cmd == DISABLE_KEY)
472                         reg &= ~mask;
473                 rt2x00usb_register_write(rt2x00dev, SEC_CSR3, reg);
474         }
475
476         return 0;
477 }
478
479 static void rt73usb_config_filter(struct rt2x00_dev *rt2x00dev,
480                                   const unsigned int filter_flags)
481 {
482         u32 reg;
483
484         /*
485          * Start configuration steps.
486          * Note that the version error will always be dropped
487          * and broadcast frames will always be accepted since
488          * there is no filter for it at this time.
489          */
490         rt2x00usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
491         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_CRC,
492                            !(filter_flags & FIF_FCSFAIL));
493         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_PHYSICAL,
494                            !(filter_flags & FIF_PLCPFAIL));
495         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_CONTROL,
496                            !(filter_flags & (FIF_CONTROL | FIF_PSPOLL)));
497         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_NOT_TO_ME,
498                            !(filter_flags & FIF_PROMISC_IN_BSS));
499         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_TO_DS,
500                            !(filter_flags & FIF_PROMISC_IN_BSS) &&
501                            !rt2x00dev->intf_ap_count);
502         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_VERSION_ERROR, 1);
503         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_MULTICAST,
504                            !(filter_flags & FIF_ALLMULTI));
505         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_BROADCAST, 0);
506         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_ACK_CTS,
507                            !(filter_flags & FIF_CONTROL));
508         rt2x00usb_register_write(rt2x00dev, TXRX_CSR0, reg);
509 }
510
511 static void rt73usb_config_intf(struct rt2x00_dev *rt2x00dev,
512                                 struct rt2x00_intf *intf,
513                                 struct rt2x00intf_conf *conf,
514                                 const unsigned int flags)
515 {
516         unsigned int beacon_base;
517         u32 reg;
518
519         if (flags & CONFIG_UPDATE_TYPE) {
520                 /*
521                  * Clear current synchronisation setup.
522                  * For the Beacon base registers we only need to clear
523                  * the first byte since that byte contains the VALID and OWNER
524                  * bits which (when set to 0) will invalidate the entire beacon.
525                  */
526                 beacon_base = HW_BEACON_OFFSET(intf->beacon->entry_idx);
527                 rt2x00usb_register_write(rt2x00dev, beacon_base, 0);
528
529                 /*
530                  * Enable synchronisation.
531                  */
532                 rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
533                 rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 1);
534                 rt2x00_set_field32(&reg, TXRX_CSR9_TSF_SYNC, conf->sync);
535                 rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE, 1);
536                 rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
537         }
538
539         if (flags & CONFIG_UPDATE_MAC) {
540                 reg = le32_to_cpu(conf->mac[1]);
541                 rt2x00_set_field32(&reg, MAC_CSR3_UNICAST_TO_ME_MASK, 0xff);
542                 conf->mac[1] = cpu_to_le32(reg);
543
544                 rt2x00usb_register_multiwrite(rt2x00dev, MAC_CSR2,
545                                             conf->mac, sizeof(conf->mac));
546         }
547
548         if (flags & CONFIG_UPDATE_BSSID) {
549                 reg = le32_to_cpu(conf->bssid[1]);
550                 rt2x00_set_field32(&reg, MAC_CSR5_BSS_ID_MASK, 3);
551                 conf->bssid[1] = cpu_to_le32(reg);
552
553                 rt2x00usb_register_multiwrite(rt2x00dev, MAC_CSR4,
554                                             conf->bssid, sizeof(conf->bssid));
555         }
556 }
557
558 static void rt73usb_config_erp(struct rt2x00_dev *rt2x00dev,
559                                struct rt2x00lib_erp *erp)
560 {
561         u32 reg;
562
563         rt2x00usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
564         rt2x00_set_field32(&reg, TXRX_CSR0_RX_ACK_TIMEOUT, 0x32);
565         rt2x00_set_field32(&reg, TXRX_CSR0_TSF_OFFSET, IEEE80211_HEADER);
566         rt2x00usb_register_write(rt2x00dev, TXRX_CSR0, reg);
567
568         rt2x00usb_register_read(rt2x00dev, TXRX_CSR4, &reg);
569         rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_ENABLE, 1);
570         rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_PREAMBLE,
571                            !!erp->short_preamble);
572         rt2x00usb_register_write(rt2x00dev, TXRX_CSR4, reg);
573
574         rt2x00usb_register_write(rt2x00dev, TXRX_CSR5, erp->basic_rates);
575
576         rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
577         rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_INTERVAL,
578                            erp->beacon_int * 16);
579         rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
580
581         rt2x00usb_register_read(rt2x00dev, MAC_CSR9, &reg);
582         rt2x00_set_field32(&reg, MAC_CSR9_SLOT_TIME, erp->slot_time);
583         rt2x00usb_register_write(rt2x00dev, MAC_CSR9, reg);
584
585         rt2x00usb_register_read(rt2x00dev, MAC_CSR8, &reg);
586         rt2x00_set_field32(&reg, MAC_CSR8_SIFS, erp->sifs);
587         rt2x00_set_field32(&reg, MAC_CSR8_SIFS_AFTER_RX_OFDM, 3);
588         rt2x00_set_field32(&reg, MAC_CSR8_EIFS, erp->eifs);
589         rt2x00usb_register_write(rt2x00dev, MAC_CSR8, reg);
590 }
591
592 static void rt73usb_config_antenna_5x(struct rt2x00_dev *rt2x00dev,
593                                       struct antenna_setup *ant)
594 {
595         u8 r3;
596         u8 r4;
597         u8 r77;
598         u8 temp;
599
600         rt73usb_bbp_read(rt2x00dev, 3, &r3);
601         rt73usb_bbp_read(rt2x00dev, 4, &r4);
602         rt73usb_bbp_read(rt2x00dev, 77, &r77);
603
604         rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, 0);
605
606         /*
607          * Configure the RX antenna.
608          */
609         switch (ant->rx) {
610         case ANTENNA_HW_DIVERSITY:
611                 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 2);
612                 temp = !test_bit(CONFIG_FRAME_TYPE, &rt2x00dev->flags)
613                        && (rt2x00dev->curr_band != IEEE80211_BAND_5GHZ);
614                 rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, temp);
615                 break;
616         case ANTENNA_A:
617                 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1);
618                 rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 0);
619                 if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ)
620                         rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 0);
621                 else
622                         rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 3);
623                 break;
624         case ANTENNA_B:
625         default:
626                 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1);
627                 rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 0);
628                 if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ)
629                         rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 3);
630                 else
631                         rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 0);
632                 break;
633         }
634
635         rt73usb_bbp_write(rt2x00dev, 77, r77);
636         rt73usb_bbp_write(rt2x00dev, 3, r3);
637         rt73usb_bbp_write(rt2x00dev, 4, r4);
638 }
639
640 static void rt73usb_config_antenna_2x(struct rt2x00_dev *rt2x00dev,
641                                       struct antenna_setup *ant)
642 {
643         u8 r3;
644         u8 r4;
645         u8 r77;
646
647         rt73usb_bbp_read(rt2x00dev, 3, &r3);
648         rt73usb_bbp_read(rt2x00dev, 4, &r4);
649         rt73usb_bbp_read(rt2x00dev, 77, &r77);
650
651         rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, 0);
652         rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END,
653                           !test_bit(CONFIG_FRAME_TYPE, &rt2x00dev->flags));
654
655         /*
656          * Configure the RX antenna.
657          */
658         switch (ant->rx) {
659         case ANTENNA_HW_DIVERSITY:
660                 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 2);
661                 break;
662         case ANTENNA_A:
663                 rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 3);
664                 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1);
665                 break;
666         case ANTENNA_B:
667         default:
668                 rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 0);
669                 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1);
670                 break;
671         }
672
673         rt73usb_bbp_write(rt2x00dev, 77, r77);
674         rt73usb_bbp_write(rt2x00dev, 3, r3);
675         rt73usb_bbp_write(rt2x00dev, 4, r4);
676 }
677
678 struct antenna_sel {
679         u8 word;
680         /*
681          * value[0] -> non-LNA
682          * value[1] -> LNA
683          */
684         u8 value[2];
685 };
686
687 static const struct antenna_sel antenna_sel_a[] = {
688         { 96,  { 0x58, 0x78 } },
689         { 104, { 0x38, 0x48 } },
690         { 75,  { 0xfe, 0x80 } },
691         { 86,  { 0xfe, 0x80 } },
692         { 88,  { 0xfe, 0x80 } },
693         { 35,  { 0x60, 0x60 } },
694         { 97,  { 0x58, 0x58 } },
695         { 98,  { 0x58, 0x58 } },
696 };
697
698 static const struct antenna_sel antenna_sel_bg[] = {
699         { 96,  { 0x48, 0x68 } },
700         { 104, { 0x2c, 0x3c } },
701         { 75,  { 0xfe, 0x80 } },
702         { 86,  { 0xfe, 0x80 } },
703         { 88,  { 0xfe, 0x80 } },
704         { 35,  { 0x50, 0x50 } },
705         { 97,  { 0x48, 0x48 } },
706         { 98,  { 0x48, 0x48 } },
707 };
708
709 static void rt73usb_config_ant(struct rt2x00_dev *rt2x00dev,
710                                struct antenna_setup *ant)
711 {
712         const struct antenna_sel *sel;
713         unsigned int lna;
714         unsigned int i;
715         u32 reg;
716
717         /*
718          * We should never come here because rt2x00lib is supposed
719          * to catch this and send us the correct antenna explicitely.
720          */
721         BUG_ON(ant->rx == ANTENNA_SW_DIVERSITY ||
722                ant->tx == ANTENNA_SW_DIVERSITY);
723
724         if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ) {
725                 sel = antenna_sel_a;
726                 lna = test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags);
727         } else {
728                 sel = antenna_sel_bg;
729                 lna = test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags);
730         }
731
732         for (i = 0; i < ARRAY_SIZE(antenna_sel_a); i++)
733                 rt73usb_bbp_write(rt2x00dev, sel[i].word, sel[i].value[lna]);
734
735         rt2x00usb_register_read(rt2x00dev, PHY_CSR0, &reg);
736
737         rt2x00_set_field32(&reg, PHY_CSR0_PA_PE_BG,
738                            (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ));
739         rt2x00_set_field32(&reg, PHY_CSR0_PA_PE_A,
740                            (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ));
741
742         rt2x00usb_register_write(rt2x00dev, PHY_CSR0, reg);
743
744         if (rt2x00_rf(rt2x00dev, RF5226) || rt2x00_rf(rt2x00dev, RF5225))
745                 rt73usb_config_antenna_5x(rt2x00dev, ant);
746         else if (rt2x00_rf(rt2x00dev, RF2528) || rt2x00_rf(rt2x00dev, RF2527))
747                 rt73usb_config_antenna_2x(rt2x00dev, ant);
748 }
749
750 static void rt73usb_config_lna_gain(struct rt2x00_dev *rt2x00dev,
751                                     struct rt2x00lib_conf *libconf)
752 {
753         u16 eeprom;
754         short lna_gain = 0;
755
756         if (libconf->conf->channel->band == IEEE80211_BAND_2GHZ) {
757                 if (test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags))
758                         lna_gain += 14;
759
760                 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_BG, &eeprom);
761                 lna_gain -= rt2x00_get_field16(eeprom, EEPROM_RSSI_OFFSET_BG_1);
762         } else {
763                 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_A, &eeprom);
764                 lna_gain -= rt2x00_get_field16(eeprom, EEPROM_RSSI_OFFSET_A_1);
765         }
766
767         rt2x00dev->lna_gain = lna_gain;
768 }
769
770 static void rt73usb_config_channel(struct rt2x00_dev *rt2x00dev,
771                                    struct rf_channel *rf, const int txpower)
772 {
773         u8 r3;
774         u8 r94;
775         u8 smart;
776
777         rt2x00_set_field32(&rf->rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
778         rt2x00_set_field32(&rf->rf4, RF4_FREQ_OFFSET, rt2x00dev->freq_offset);
779
780         smart = !(rt2x00_rf(rt2x00dev, RF5225) || rt2x00_rf(rt2x00dev, RF2527));
781
782         rt73usb_bbp_read(rt2x00dev, 3, &r3);
783         rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, smart);
784         rt73usb_bbp_write(rt2x00dev, 3, r3);
785
786         r94 = 6;
787         if (txpower > MAX_TXPOWER && txpower <= (MAX_TXPOWER + r94))
788                 r94 += txpower - MAX_TXPOWER;
789         else if (txpower < MIN_TXPOWER && txpower >= (MIN_TXPOWER - r94))
790                 r94 += txpower;
791         rt73usb_bbp_write(rt2x00dev, 94, r94);
792
793         rt73usb_rf_write(rt2x00dev, 1, rf->rf1);
794         rt73usb_rf_write(rt2x00dev, 2, rf->rf2);
795         rt73usb_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
796         rt73usb_rf_write(rt2x00dev, 4, rf->rf4);
797
798         rt73usb_rf_write(rt2x00dev, 1, rf->rf1);
799         rt73usb_rf_write(rt2x00dev, 2, rf->rf2);
800         rt73usb_rf_write(rt2x00dev, 3, rf->rf3 | 0x00000004);
801         rt73usb_rf_write(rt2x00dev, 4, rf->rf4);
802
803         rt73usb_rf_write(rt2x00dev, 1, rf->rf1);
804         rt73usb_rf_write(rt2x00dev, 2, rf->rf2);
805         rt73usb_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
806         rt73usb_rf_write(rt2x00dev, 4, rf->rf4);
807
808         udelay(10);
809 }
810
811 static void rt73usb_config_txpower(struct rt2x00_dev *rt2x00dev,
812                                    const int txpower)
813 {
814         struct rf_channel rf;
815
816         rt2x00_rf_read(rt2x00dev, 1, &rf.rf1);
817         rt2x00_rf_read(rt2x00dev, 2, &rf.rf2);
818         rt2x00_rf_read(rt2x00dev, 3, &rf.rf3);
819         rt2x00_rf_read(rt2x00dev, 4, &rf.rf4);
820
821         rt73usb_config_channel(rt2x00dev, &rf, txpower);
822 }
823
824 static void rt73usb_config_retry_limit(struct rt2x00_dev *rt2x00dev,
825                                        struct rt2x00lib_conf *libconf)
826 {
827         u32 reg;
828
829         rt2x00usb_register_read(rt2x00dev, TXRX_CSR4, &reg);
830         rt2x00_set_field32(&reg, TXRX_CSR4_LONG_RETRY_LIMIT,
831                            libconf->conf->long_frame_max_tx_count);
832         rt2x00_set_field32(&reg, TXRX_CSR4_SHORT_RETRY_LIMIT,
833                            libconf->conf->short_frame_max_tx_count);
834         rt2x00usb_register_write(rt2x00dev, TXRX_CSR4, reg);
835 }
836
837 static void rt73usb_config_ps(struct rt2x00_dev *rt2x00dev,
838                                 struct rt2x00lib_conf *libconf)
839 {
840         enum dev_state state =
841             (libconf->conf->flags & IEEE80211_CONF_PS) ?
842                 STATE_SLEEP : STATE_AWAKE;
843         u32 reg;
844
845         if (state == STATE_SLEEP) {
846                 rt2x00usb_register_read(rt2x00dev, MAC_CSR11, &reg);
847                 rt2x00_set_field32(&reg, MAC_CSR11_DELAY_AFTER_TBCN,
848                                    rt2x00dev->beacon_int - 10);
849                 rt2x00_set_field32(&reg, MAC_CSR11_TBCN_BEFORE_WAKEUP,
850                                    libconf->conf->listen_interval - 1);
851                 rt2x00_set_field32(&reg, MAC_CSR11_WAKEUP_LATENCY, 5);
852
853                 /* We must first disable autowake before it can be enabled */
854                 rt2x00_set_field32(&reg, MAC_CSR11_AUTOWAKE, 0);
855                 rt2x00usb_register_write(rt2x00dev, MAC_CSR11, reg);
856
857                 rt2x00_set_field32(&reg, MAC_CSR11_AUTOWAKE, 1);
858                 rt2x00usb_register_write(rt2x00dev, MAC_CSR11, reg);
859
860                 rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0,
861                                             USB_MODE_SLEEP, REGISTER_TIMEOUT);
862         } else {
863                 rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0,
864                                             USB_MODE_WAKEUP, REGISTER_TIMEOUT);
865
866                 rt2x00usb_register_read(rt2x00dev, MAC_CSR11, &reg);
867                 rt2x00_set_field32(&reg, MAC_CSR11_DELAY_AFTER_TBCN, 0);
868                 rt2x00_set_field32(&reg, MAC_CSR11_TBCN_BEFORE_WAKEUP, 0);
869                 rt2x00_set_field32(&reg, MAC_CSR11_AUTOWAKE, 0);
870                 rt2x00_set_field32(&reg, MAC_CSR11_WAKEUP_LATENCY, 0);
871                 rt2x00usb_register_write(rt2x00dev, MAC_CSR11, reg);
872         }
873 }
874
875 static void rt73usb_config(struct rt2x00_dev *rt2x00dev,
876                            struct rt2x00lib_conf *libconf,
877                            const unsigned int flags)
878 {
879         /* Always recalculate LNA gain before changing configuration */
880         rt73usb_config_lna_gain(rt2x00dev, libconf);
881
882         if (flags & IEEE80211_CONF_CHANGE_CHANNEL)
883                 rt73usb_config_channel(rt2x00dev, &libconf->rf,
884                                        libconf->conf->power_level);
885         if ((flags & IEEE80211_CONF_CHANGE_POWER) &&
886             !(flags & IEEE80211_CONF_CHANGE_CHANNEL))
887                 rt73usb_config_txpower(rt2x00dev, libconf->conf->power_level);
888         if (flags & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
889                 rt73usb_config_retry_limit(rt2x00dev, libconf);
890         if (flags & IEEE80211_CONF_CHANGE_PS)
891                 rt73usb_config_ps(rt2x00dev, libconf);
892 }
893
894 /*
895  * Link tuning
896  */
897 static void rt73usb_link_stats(struct rt2x00_dev *rt2x00dev,
898                                struct link_qual *qual)
899 {
900         u32 reg;
901
902         /*
903          * Update FCS error count from register.
904          */
905         rt2x00usb_register_read(rt2x00dev, STA_CSR0, &reg);
906         qual->rx_failed = rt2x00_get_field32(reg, STA_CSR0_FCS_ERROR);
907
908         /*
909          * Update False CCA count from register.
910          */
911         rt2x00usb_register_read(rt2x00dev, STA_CSR1, &reg);
912         qual->false_cca = rt2x00_get_field32(reg, STA_CSR1_FALSE_CCA_ERROR);
913 }
914
915 static inline void rt73usb_set_vgc(struct rt2x00_dev *rt2x00dev,
916                                    struct link_qual *qual, u8 vgc_level)
917 {
918         if (qual->vgc_level != vgc_level) {
919                 rt73usb_bbp_write(rt2x00dev, 17, vgc_level);
920                 qual->vgc_level = vgc_level;
921                 qual->vgc_level_reg = vgc_level;
922         }
923 }
924
925 static void rt73usb_reset_tuner(struct rt2x00_dev *rt2x00dev,
926                                 struct link_qual *qual)
927 {
928         rt73usb_set_vgc(rt2x00dev, qual, 0x20);
929 }
930
931 static void rt73usb_link_tuner(struct rt2x00_dev *rt2x00dev,
932                                struct link_qual *qual, const u32 count)
933 {
934         u8 up_bound;
935         u8 low_bound;
936
937         /*
938          * Determine r17 bounds.
939          */
940         if (rt2x00dev->rx_status.band == IEEE80211_BAND_5GHZ) {
941                 low_bound = 0x28;
942                 up_bound = 0x48;
943
944                 if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags)) {
945                         low_bound += 0x10;
946                         up_bound += 0x10;
947                 }
948         } else {
949                 if (qual->rssi > -82) {
950                         low_bound = 0x1c;
951                         up_bound = 0x40;
952                 } else if (qual->rssi > -84) {
953                         low_bound = 0x1c;
954                         up_bound = 0x20;
955                 } else {
956                         low_bound = 0x1c;
957                         up_bound = 0x1c;
958                 }
959
960                 if (test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags)) {
961                         low_bound += 0x14;
962                         up_bound += 0x10;
963                 }
964         }
965
966         /*
967          * If we are not associated, we should go straight to the
968          * dynamic CCA tuning.
969          */
970         if (!rt2x00dev->intf_associated)
971                 goto dynamic_cca_tune;
972
973         /*
974          * Special big-R17 for very short distance
975          */
976         if (qual->rssi > -35) {
977                 rt73usb_set_vgc(rt2x00dev, qual, 0x60);
978                 return;
979         }
980
981         /*
982          * Special big-R17 for short distance
983          */
984         if (qual->rssi >= -58) {
985                 rt73usb_set_vgc(rt2x00dev, qual, up_bound);
986                 return;
987         }
988
989         /*
990          * Special big-R17 for middle-short distance
991          */
992         if (qual->rssi >= -66) {
993                 rt73usb_set_vgc(rt2x00dev, qual, low_bound + 0x10);
994                 return;
995         }
996
997         /*
998          * Special mid-R17 for middle distance
999          */
1000         if (qual->rssi >= -74) {
1001                 rt73usb_set_vgc(rt2x00dev, qual, low_bound + 0x08);
1002                 return;
1003         }
1004
1005         /*
1006          * Special case: Change up_bound based on the rssi.
1007          * Lower up_bound when rssi is weaker then -74 dBm.
1008          */
1009         up_bound -= 2 * (-74 - qual->rssi);
1010         if (low_bound > up_bound)
1011                 up_bound = low_bound;
1012
1013         if (qual->vgc_level > up_bound) {
1014                 rt73usb_set_vgc(rt2x00dev, qual, up_bound);
1015                 return;
1016         }
1017
1018 dynamic_cca_tune:
1019
1020         /*
1021          * r17 does not yet exceed upper limit, continue and base
1022          * the r17 tuning on the false CCA count.
1023          */
1024         if ((qual->false_cca > 512) && (qual->vgc_level < up_bound))
1025                 rt73usb_set_vgc(rt2x00dev, qual,
1026                                 min_t(u8, qual->vgc_level + 4, up_bound));
1027         else if ((qual->false_cca < 100) && (qual->vgc_level > low_bound))
1028                 rt73usb_set_vgc(rt2x00dev, qual,
1029                                 max_t(u8, qual->vgc_level - 4, low_bound));
1030 }
1031
1032 /*
1033  * Firmware functions
1034  */
1035 static char *rt73usb_get_firmware_name(struct rt2x00_dev *rt2x00dev)
1036 {
1037         return FIRMWARE_RT2571;
1038 }
1039
1040 static int rt73usb_check_firmware(struct rt2x00_dev *rt2x00dev,
1041                                   const u8 *data, const size_t len)
1042 {
1043         u16 fw_crc;
1044         u16 crc;
1045
1046         /*
1047          * Only support 2kb firmware files.
1048          */
1049         if (len != 2048)
1050                 return FW_BAD_LENGTH;
1051
1052         /*
1053          * The last 2 bytes in the firmware array are the crc checksum itself,
1054          * this means that we should never pass those 2 bytes to the crc
1055          * algorithm.
1056          */
1057         fw_crc = (data[len - 2] << 8 | data[len - 1]);
1058
1059         /*
1060          * Use the crc itu-t algorithm.
1061          */
1062         crc = crc_itu_t(0, data, len - 2);
1063         crc = crc_itu_t_byte(crc, 0);
1064         crc = crc_itu_t_byte(crc, 0);
1065
1066         return (fw_crc == crc) ? FW_OK : FW_BAD_CRC;
1067 }
1068
1069 static int rt73usb_load_firmware(struct rt2x00_dev *rt2x00dev,
1070                                  const u8 *data, const size_t len)
1071 {
1072         unsigned int i;
1073         int status;
1074         u32 reg;
1075
1076         /*
1077          * Wait for stable hardware.
1078          */
1079         for (i = 0; i < 100; i++) {
1080                 rt2x00usb_register_read(rt2x00dev, MAC_CSR0, &reg);
1081                 if (reg)
1082                         break;
1083                 msleep(1);
1084         }
1085
1086         if (!reg) {
1087                 ERROR(rt2x00dev, "Unstable hardware.\n");
1088                 return -EBUSY;
1089         }
1090
1091         /*
1092          * Write firmware to device.
1093          */
1094         rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE,
1095                                             USB_VENDOR_REQUEST_OUT,
1096                                             FIRMWARE_IMAGE_BASE,
1097                                             data, len,
1098                                             REGISTER_TIMEOUT32(len));
1099
1100         /*
1101          * Send firmware request to device to load firmware,
1102          * we need to specify a long timeout time.
1103          */
1104         status = rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE,
1105                                              0, USB_MODE_FIRMWARE,
1106                                              REGISTER_TIMEOUT_FIRMWARE);
1107         if (status < 0) {
1108                 ERROR(rt2x00dev, "Failed to write Firmware to device.\n");
1109                 return status;
1110         }
1111
1112         return 0;
1113 }
1114
1115 /*
1116  * Initialization functions.
1117  */
1118 static int rt73usb_init_registers(struct rt2x00_dev *rt2x00dev)
1119 {
1120         u32 reg;
1121
1122         rt2x00usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
1123         rt2x00_set_field32(&reg, TXRX_CSR0_AUTO_TX_SEQ, 1);
1124         rt2x00_set_field32(&reg, TXRX_CSR0_DISABLE_RX, 0);
1125         rt2x00_set_field32(&reg, TXRX_CSR0_TX_WITHOUT_WAITING, 0);
1126         rt2x00usb_register_write(rt2x00dev, TXRX_CSR0, reg);
1127
1128         rt2x00usb_register_read(rt2x00dev, TXRX_CSR1, &reg);
1129         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID0, 47); /* CCK Signal */
1130         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID0_VALID, 1);
1131         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID1, 30); /* Rssi */
1132         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID1_VALID, 1);
1133         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID2, 42); /* OFDM Rate */
1134         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID2_VALID, 1);
1135         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID3, 30); /* Rssi */
1136         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID3_VALID, 1);
1137         rt2x00usb_register_write(rt2x00dev, TXRX_CSR1, reg);
1138
1139         /*
1140          * CCK TXD BBP registers
1141          */
1142         rt2x00usb_register_read(rt2x00dev, TXRX_CSR2, &reg);
1143         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID0, 13);
1144         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID0_VALID, 1);
1145         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID1, 12);
1146         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID1_VALID, 1);
1147         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID2, 11);
1148         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID2_VALID, 1);
1149         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID3, 10);
1150         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID3_VALID, 1);
1151         rt2x00usb_register_write(rt2x00dev, TXRX_CSR2, reg);
1152
1153         /*
1154          * OFDM TXD BBP registers
1155          */
1156         rt2x00usb_register_read(rt2x00dev, TXRX_CSR3, &reg);
1157         rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID0, 7);
1158         rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID0_VALID, 1);
1159         rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID1, 6);
1160         rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID1_VALID, 1);
1161         rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID2, 5);
1162         rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID2_VALID, 1);
1163         rt2x00usb_register_write(rt2x00dev, TXRX_CSR3, reg);
1164
1165         rt2x00usb_register_read(rt2x00dev, TXRX_CSR7, &reg);
1166         rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_6MBS, 59);
1167         rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_9MBS, 53);
1168         rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_12MBS, 49);
1169         rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_18MBS, 46);
1170         rt2x00usb_register_write(rt2x00dev, TXRX_CSR7, reg);
1171
1172         rt2x00usb_register_read(rt2x00dev, TXRX_CSR8, &reg);
1173         rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_24MBS, 44);
1174         rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_36MBS, 42);
1175         rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_48MBS, 42);
1176         rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_54MBS, 42);
1177         rt2x00usb_register_write(rt2x00dev, TXRX_CSR8, reg);
1178
1179         rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
1180         rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_INTERVAL, 0);
1181         rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 0);
1182         rt2x00_set_field32(&reg, TXRX_CSR9_TSF_SYNC, 0);
1183         rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE, 0);
1184         rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 0);
1185         rt2x00_set_field32(&reg, TXRX_CSR9_TIMESTAMP_COMPENSATE, 0);
1186         rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
1187
1188         rt2x00usb_register_write(rt2x00dev, TXRX_CSR15, 0x0000000f);
1189
1190         rt2x00usb_register_read(rt2x00dev, MAC_CSR6, &reg);
1191         rt2x00_set_field32(&reg, MAC_CSR6_MAX_FRAME_UNIT, 0xfff);
1192         rt2x00usb_register_write(rt2x00dev, MAC_CSR6, reg);
1193
1194         rt2x00usb_register_write(rt2x00dev, MAC_CSR10, 0x00000718);
1195
1196         if (rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_AWAKE))
1197                 return -EBUSY;
1198
1199         rt2x00usb_register_write(rt2x00dev, MAC_CSR13, 0x00007f00);
1200
1201         /*
1202          * Invalidate all Shared Keys (SEC_CSR0),
1203          * and clear the Shared key Cipher algorithms (SEC_CSR1 & SEC_CSR5)
1204          */
1205         rt2x00usb_register_write(rt2x00dev, SEC_CSR0, 0x00000000);
1206         rt2x00usb_register_write(rt2x00dev, SEC_CSR1, 0x00000000);
1207         rt2x00usb_register_write(rt2x00dev, SEC_CSR5, 0x00000000);
1208
1209         reg = 0x000023b0;
1210         if (rt2x00_rf(rt2x00dev, RF5225) || rt2x00_rf(rt2x00dev, RF2527))
1211                 rt2x00_set_field32(&reg, PHY_CSR1_RF_RPI, 1);
1212         rt2x00usb_register_write(rt2x00dev, PHY_CSR1, reg);
1213
1214         rt2x00usb_register_write(rt2x00dev, PHY_CSR5, 0x00040a06);
1215         rt2x00usb_register_write(rt2x00dev, PHY_CSR6, 0x00080606);
1216         rt2x00usb_register_write(rt2x00dev, PHY_CSR7, 0x00000408);
1217
1218         rt2x00usb_register_read(rt2x00dev, MAC_CSR9, &reg);
1219         rt2x00_set_field32(&reg, MAC_CSR9_CW_SELECT, 0);
1220         rt2x00usb_register_write(rt2x00dev, MAC_CSR9, reg);
1221
1222         /*
1223          * Clear all beacons
1224          * For the Beacon base registers we only need to clear
1225          * the first byte since that byte contains the VALID and OWNER
1226          * bits which (when set to 0) will invalidate the entire beacon.
1227          */
1228         rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE0, 0);
1229         rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE1, 0);
1230         rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE2, 0);
1231         rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE3, 0);
1232
1233         /*
1234          * We must clear the error counters.
1235          * These registers are cleared on read,
1236          * so we may pass a useless variable to store the value.
1237          */
1238         rt2x00usb_register_read(rt2x00dev, STA_CSR0, &reg);
1239         rt2x00usb_register_read(rt2x00dev, STA_CSR1, &reg);
1240         rt2x00usb_register_read(rt2x00dev, STA_CSR2, &reg);
1241
1242         /*
1243          * Reset MAC and BBP registers.
1244          */
1245         rt2x00usb_register_read(rt2x00dev, MAC_CSR1, &reg);
1246         rt2x00_set_field32(&reg, MAC_CSR1_SOFT_RESET, 1);
1247         rt2x00_set_field32(&reg, MAC_CSR1_BBP_RESET, 1);
1248         rt2x00usb_register_write(rt2x00dev, MAC_CSR1, reg);
1249
1250         rt2x00usb_register_read(rt2x00dev, MAC_CSR1, &reg);
1251         rt2x00_set_field32(&reg, MAC_CSR1_SOFT_RESET, 0);
1252         rt2x00_set_field32(&reg, MAC_CSR1_BBP_RESET, 0);
1253         rt2x00usb_register_write(rt2x00dev, MAC_CSR1, reg);
1254
1255         rt2x00usb_register_read(rt2x00dev, MAC_CSR1, &reg);
1256         rt2x00_set_field32(&reg, MAC_CSR1_HOST_READY, 1);
1257         rt2x00usb_register_write(rt2x00dev, MAC_CSR1, reg);
1258
1259         return 0;
1260 }
1261
1262 static int rt73usb_wait_bbp_ready(struct rt2x00_dev *rt2x00dev)
1263 {
1264         unsigned int i;
1265         u8 value;
1266
1267         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
1268                 rt73usb_bbp_read(rt2x00dev, 0, &value);
1269                 if ((value != 0xff) && (value != 0x00))
1270                         return 0;
1271                 udelay(REGISTER_BUSY_DELAY);
1272         }
1273
1274         ERROR(rt2x00dev, "BBP register access failed, aborting.\n");
1275         return -EACCES;
1276 }
1277
1278 static int rt73usb_init_bbp(struct rt2x00_dev *rt2x00dev)
1279 {
1280         unsigned int i;
1281         u16 eeprom;
1282         u8 reg_id;
1283         u8 value;
1284
1285         if (unlikely(rt73usb_wait_bbp_ready(rt2x00dev)))
1286                 return -EACCES;
1287
1288         rt73usb_bbp_write(rt2x00dev, 3, 0x80);
1289         rt73usb_bbp_write(rt2x00dev, 15, 0x30);
1290         rt73usb_bbp_write(rt2x00dev, 21, 0xc8);
1291         rt73usb_bbp_write(rt2x00dev, 22, 0x38);
1292         rt73usb_bbp_write(rt2x00dev, 23, 0x06);
1293         rt73usb_bbp_write(rt2x00dev, 24, 0xfe);
1294         rt73usb_bbp_write(rt2x00dev, 25, 0x0a);
1295         rt73usb_bbp_write(rt2x00dev, 26, 0x0d);
1296         rt73usb_bbp_write(rt2x00dev, 32, 0x0b);
1297         rt73usb_bbp_write(rt2x00dev, 34, 0x12);
1298         rt73usb_bbp_write(rt2x00dev, 37, 0x07);
1299         rt73usb_bbp_write(rt2x00dev, 39, 0xf8);
1300         rt73usb_bbp_write(rt2x00dev, 41, 0x60);
1301         rt73usb_bbp_write(rt2x00dev, 53, 0x10);
1302         rt73usb_bbp_write(rt2x00dev, 54, 0x18);
1303         rt73usb_bbp_write(rt2x00dev, 60, 0x10);
1304         rt73usb_bbp_write(rt2x00dev, 61, 0x04);
1305         rt73usb_bbp_write(rt2x00dev, 62, 0x04);
1306         rt73usb_bbp_write(rt2x00dev, 75, 0xfe);
1307         rt73usb_bbp_write(rt2x00dev, 86, 0xfe);
1308         rt73usb_bbp_write(rt2x00dev, 88, 0xfe);
1309         rt73usb_bbp_write(rt2x00dev, 90, 0x0f);
1310         rt73usb_bbp_write(rt2x00dev, 99, 0x00);
1311         rt73usb_bbp_write(rt2x00dev, 102, 0x16);
1312         rt73usb_bbp_write(rt2x00dev, 107, 0x04);
1313
1314         for (i = 0; i < EEPROM_BBP_SIZE; i++) {
1315                 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
1316
1317                 if (eeprom != 0xffff && eeprom != 0x0000) {
1318                         reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
1319                         value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
1320                         rt73usb_bbp_write(rt2x00dev, reg_id, value);
1321                 }
1322         }
1323
1324         return 0;
1325 }
1326
1327 /*
1328  * Device state switch handlers.
1329  */
1330 static void rt73usb_toggle_rx(struct rt2x00_dev *rt2x00dev,
1331                               enum dev_state state)
1332 {
1333         u32 reg;
1334
1335         rt2x00usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
1336         rt2x00_set_field32(&reg, TXRX_CSR0_DISABLE_RX,
1337                            (state == STATE_RADIO_RX_OFF) ||
1338                            (state == STATE_RADIO_RX_OFF_LINK));
1339         rt2x00usb_register_write(rt2x00dev, TXRX_CSR0, reg);
1340 }
1341
1342 static int rt73usb_enable_radio(struct rt2x00_dev *rt2x00dev)
1343 {
1344         /*
1345          * Initialize all registers.
1346          */
1347         if (unlikely(rt73usb_init_registers(rt2x00dev) ||
1348                      rt73usb_init_bbp(rt2x00dev)))
1349                 return -EIO;
1350
1351         return 0;
1352 }
1353
1354 static void rt73usb_disable_radio(struct rt2x00_dev *rt2x00dev)
1355 {
1356         rt2x00usb_register_write(rt2x00dev, MAC_CSR10, 0x00001818);
1357
1358         /*
1359          * Disable synchronisation.
1360          */
1361         rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, 0);
1362
1363         rt2x00usb_disable_radio(rt2x00dev);
1364 }
1365
1366 static int rt73usb_set_state(struct rt2x00_dev *rt2x00dev, enum dev_state state)
1367 {
1368         u32 reg;
1369         unsigned int i;
1370         char put_to_sleep;
1371
1372         put_to_sleep = (state != STATE_AWAKE);
1373
1374         rt2x00usb_register_read(rt2x00dev, MAC_CSR12, &reg);
1375         rt2x00_set_field32(&reg, MAC_CSR12_FORCE_WAKEUP, !put_to_sleep);
1376         rt2x00_set_field32(&reg, MAC_CSR12_PUT_TO_SLEEP, put_to_sleep);
1377         rt2x00usb_register_write(rt2x00dev, MAC_CSR12, reg);
1378
1379         /*
1380          * Device is not guaranteed to be in the requested state yet.
1381          * We must wait until the register indicates that the
1382          * device has entered the correct state.
1383          */
1384         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
1385                 rt2x00usb_register_read(rt2x00dev, MAC_CSR12, &reg);
1386                 state = rt2x00_get_field32(reg, MAC_CSR12_BBP_CURRENT_STATE);
1387                 if (state == !put_to_sleep)
1388                         return 0;
1389                 msleep(10);
1390         }
1391
1392         return -EBUSY;
1393 }
1394
1395 static int rt73usb_set_device_state(struct rt2x00_dev *rt2x00dev,
1396                                     enum dev_state state)
1397 {
1398         int retval = 0;
1399
1400         switch (state) {
1401         case STATE_RADIO_ON:
1402                 retval = rt73usb_enable_radio(rt2x00dev);
1403                 break;
1404         case STATE_RADIO_OFF:
1405                 rt73usb_disable_radio(rt2x00dev);
1406                 break;
1407         case STATE_RADIO_RX_ON:
1408         case STATE_RADIO_RX_ON_LINK:
1409         case STATE_RADIO_RX_OFF:
1410         case STATE_RADIO_RX_OFF_LINK:
1411                 rt73usb_toggle_rx(rt2x00dev, state);
1412                 break;
1413         case STATE_RADIO_IRQ_ON:
1414         case STATE_RADIO_IRQ_OFF:
1415                 /* No support, but no error either */
1416                 break;
1417         case STATE_DEEP_SLEEP:
1418         case STATE_SLEEP:
1419         case STATE_STANDBY:
1420         case STATE_AWAKE:
1421                 retval = rt73usb_set_state(rt2x00dev, state);
1422                 break;
1423         default:
1424                 retval = -ENOTSUPP;
1425                 break;
1426         }
1427
1428         if (unlikely(retval))
1429                 ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n",
1430                       state, retval);
1431
1432         return retval;
1433 }
1434
1435 /*
1436  * TX descriptor initialization
1437  */
1438 static void rt73usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
1439                                   struct sk_buff *skb,
1440                                   struct txentry_desc *txdesc)
1441 {
1442         struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
1443         __le32 *txd = skbdesc->desc;
1444         u32 word;
1445
1446         /*
1447          * Start writing the descriptor words.
1448          */
1449         rt2x00_desc_read(txd, 1, &word);
1450         rt2x00_set_field32(&word, TXD_W1_HOST_Q_ID, txdesc->queue);
1451         rt2x00_set_field32(&word, TXD_W1_AIFSN, txdesc->aifs);
1452         rt2x00_set_field32(&word, TXD_W1_CWMIN, txdesc->cw_min);
1453         rt2x00_set_field32(&word, TXD_W1_CWMAX, txdesc->cw_max);
1454         rt2x00_set_field32(&word, TXD_W1_IV_OFFSET, txdesc->iv_offset);
1455         rt2x00_set_field32(&word, TXD_W1_HW_SEQUENCE,
1456                            test_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags));
1457         rt2x00_desc_write(txd, 1, word);
1458
1459         rt2x00_desc_read(txd, 2, &word);
1460         rt2x00_set_field32(&word, TXD_W2_PLCP_SIGNAL, txdesc->signal);
1461         rt2x00_set_field32(&word, TXD_W2_PLCP_SERVICE, txdesc->service);
1462         rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_LOW, txdesc->length_low);
1463         rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_HIGH, txdesc->length_high);
1464         rt2x00_desc_write(txd, 2, word);
1465
1466         if (test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags)) {
1467                 _rt2x00_desc_write(txd, 3, skbdesc->iv[0]);
1468                 _rt2x00_desc_write(txd, 4, skbdesc->iv[1]);
1469         }
1470
1471         rt2x00_desc_read(txd, 5, &word);
1472         rt2x00_set_field32(&word, TXD_W5_TX_POWER,
1473                            TXPOWER_TO_DEV(rt2x00dev->tx_power));
1474         rt2x00_set_field32(&word, TXD_W5_WAITING_DMA_DONE_INT, 1);
1475         rt2x00_desc_write(txd, 5, word);
1476
1477         rt2x00_desc_read(txd, 0, &word);
1478         rt2x00_set_field32(&word, TXD_W0_BURST,
1479                            test_bit(ENTRY_TXD_BURST, &txdesc->flags));
1480         rt2x00_set_field32(&word, TXD_W0_VALID, 1);
1481         rt2x00_set_field32(&word, TXD_W0_MORE_FRAG,
1482                            test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
1483         rt2x00_set_field32(&word, TXD_W0_ACK,
1484                            test_bit(ENTRY_TXD_ACK, &txdesc->flags));
1485         rt2x00_set_field32(&word, TXD_W0_TIMESTAMP,
1486                            test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
1487         rt2x00_set_field32(&word, TXD_W0_OFDM,
1488                            (txdesc->rate_mode == RATE_MODE_OFDM));
1489         rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs);
1490         rt2x00_set_field32(&word, TXD_W0_RETRY_MODE,
1491                            test_bit(ENTRY_TXD_RETRY_MODE, &txdesc->flags));
1492         rt2x00_set_field32(&word, TXD_W0_TKIP_MIC,
1493                            test_bit(ENTRY_TXD_ENCRYPT_MMIC, &txdesc->flags));
1494         rt2x00_set_field32(&word, TXD_W0_KEY_TABLE,
1495                            test_bit(ENTRY_TXD_ENCRYPT_PAIRWISE, &txdesc->flags));
1496         rt2x00_set_field32(&word, TXD_W0_KEY_INDEX, txdesc->key_idx);
1497         rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, skb->len);
1498         rt2x00_set_field32(&word, TXD_W0_BURST2,
1499                            test_bit(ENTRY_TXD_BURST, &txdesc->flags));
1500         rt2x00_set_field32(&word, TXD_W0_CIPHER_ALG, txdesc->cipher);
1501         rt2x00_desc_write(txd, 0, word);
1502 }
1503
1504 /*
1505  * TX data initialization
1506  */
1507 static void rt73usb_write_beacon(struct queue_entry *entry)
1508 {
1509         struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
1510         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
1511         unsigned int beacon_base;
1512         u32 reg;
1513
1514         /*
1515          * Add the descriptor in front of the skb.
1516          */
1517         skb_push(entry->skb, entry->queue->desc_size);
1518         memcpy(entry->skb->data, skbdesc->desc, skbdesc->desc_len);
1519         skbdesc->desc = entry->skb->data;
1520
1521         /*
1522          * Disable beaconing while we are reloading the beacon data,
1523          * otherwise we might be sending out invalid data.
1524          */
1525         rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
1526         rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 0);
1527         rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
1528
1529         /*
1530          * Write entire beacon with descriptor to register.
1531          */
1532         beacon_base = HW_BEACON_OFFSET(entry->entry_idx);
1533         rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE,
1534                                             USB_VENDOR_REQUEST_OUT, beacon_base,
1535                                             entry->skb->data, entry->skb->len,
1536                                             REGISTER_TIMEOUT32(entry->skb->len));
1537
1538         /*
1539          * Clean up the beacon skb.
1540          */
1541         dev_kfree_skb(entry->skb);
1542         entry->skb = NULL;
1543 }
1544
1545 static int rt73usb_get_tx_data_len(struct queue_entry *entry)
1546 {
1547         int length;
1548
1549         /*
1550          * The length _must_ be a multiple of 4,
1551          * but it must _not_ be a multiple of the USB packet size.
1552          */
1553         length = roundup(entry->skb->len, 4);
1554         length += (4 * !(length % entry->queue->usb_maxpacket));
1555
1556         return length;
1557 }
1558
1559 static void rt73usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
1560                                   const enum data_queue_qid queue)
1561 {
1562         u32 reg;
1563
1564         if (queue != QID_BEACON) {
1565                 rt2x00usb_kick_tx_queue(rt2x00dev, queue);
1566                 return;
1567         }
1568
1569         /*
1570          * For Wi-Fi faily generated beacons between participating stations.
1571          * Set TBTT phase adaptive adjustment step to 8us (default 16us)
1572          */
1573         rt2x00usb_register_write(rt2x00dev, TXRX_CSR10, 0x00001008);
1574
1575         rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
1576         if (!rt2x00_get_field32(reg, TXRX_CSR9_BEACON_GEN)) {
1577                 rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 1);
1578                 rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE, 1);
1579                 rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 1);
1580                 rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
1581         }
1582 }
1583
1584 /*
1585  * RX control handlers
1586  */
1587 static int rt73usb_agc_to_rssi(struct rt2x00_dev *rt2x00dev, int rxd_w1)
1588 {
1589         u8 offset = rt2x00dev->lna_gain;
1590         u8 lna;
1591
1592         lna = rt2x00_get_field32(rxd_w1, RXD_W1_RSSI_LNA);
1593         switch (lna) {
1594         case 3:
1595                 offset += 90;
1596                 break;
1597         case 2:
1598                 offset += 74;
1599                 break;
1600         case 1:
1601                 offset += 64;
1602                 break;
1603         default:
1604                 return 0;
1605         }
1606
1607         if (rt2x00dev->rx_status.band == IEEE80211_BAND_5GHZ) {
1608                 if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags)) {
1609                         if (lna == 3 || lna == 2)
1610                                 offset += 10;
1611                 } else {
1612                         if (lna == 3)
1613                                 offset += 6;
1614                         else if (lna == 2)
1615                                 offset += 8;
1616                 }
1617         }
1618
1619         return rt2x00_get_field32(rxd_w1, RXD_W1_RSSI_AGC) * 2 - offset;
1620 }
1621
1622 static void rt73usb_fill_rxdone(struct queue_entry *entry,
1623                                 struct rxdone_entry_desc *rxdesc)
1624 {
1625         struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
1626         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
1627         __le32 *rxd = (__le32 *)entry->skb->data;
1628         u32 word0;
1629         u32 word1;
1630
1631         /*
1632          * Copy descriptor to the skbdesc->desc buffer, making it safe from moving of
1633          * frame data in rt2x00usb.
1634          */
1635         memcpy(skbdesc->desc, rxd, skbdesc->desc_len);
1636         rxd = (__le32 *)skbdesc->desc;
1637
1638         /*
1639          * It is now safe to read the descriptor on all architectures.
1640          */
1641         rt2x00_desc_read(rxd, 0, &word0);
1642         rt2x00_desc_read(rxd, 1, &word1);
1643
1644         if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR))
1645                 rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
1646
1647         if (test_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags)) {
1648                 rxdesc->cipher =
1649                     rt2x00_get_field32(word0, RXD_W0_CIPHER_ALG);
1650                 rxdesc->cipher_status =
1651                     rt2x00_get_field32(word0, RXD_W0_CIPHER_ERROR);
1652         }
1653
1654         if (rxdesc->cipher != CIPHER_NONE) {
1655                 _rt2x00_desc_read(rxd, 2, &rxdesc->iv[0]);
1656                 _rt2x00_desc_read(rxd, 3, &rxdesc->iv[1]);
1657                 rxdesc->dev_flags |= RXDONE_CRYPTO_IV;
1658
1659                 _rt2x00_desc_read(rxd, 4, &rxdesc->icv);
1660                 rxdesc->dev_flags |= RXDONE_CRYPTO_ICV;
1661
1662                 /*
1663                  * Hardware has stripped IV/EIV data from 802.11 frame during
1664                  * decryption. It has provided the data separately but rt2x00lib
1665                  * should decide if it should be reinserted.
1666                  */
1667                 rxdesc->flags |= RX_FLAG_IV_STRIPPED;
1668
1669                 /*
1670                  * FIXME: Legacy driver indicates that the frame does
1671                  * contain the Michael Mic. Unfortunately, in rt2x00
1672                  * the MIC seems to be missing completely...
1673                  */
1674                 rxdesc->flags |= RX_FLAG_MMIC_STRIPPED;
1675
1676                 if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS)
1677                         rxdesc->flags |= RX_FLAG_DECRYPTED;
1678                 else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC)
1679                         rxdesc->flags |= RX_FLAG_MMIC_ERROR;
1680         }
1681
1682         /*
1683          * Obtain the status about this packet.
1684          * When frame was received with an OFDM bitrate,
1685          * the signal is the PLCP value. If it was received with
1686          * a CCK bitrate the signal is the rate in 100kbit/s.
1687          */
1688         rxdesc->signal = rt2x00_get_field32(word1, RXD_W1_SIGNAL);
1689         rxdesc->rssi = rt73usb_agc_to_rssi(rt2x00dev, word1);
1690         rxdesc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT);
1691
1692         if (rt2x00_get_field32(word0, RXD_W0_OFDM))
1693                 rxdesc->dev_flags |= RXDONE_SIGNAL_PLCP;
1694         else
1695                 rxdesc->dev_flags |= RXDONE_SIGNAL_BITRATE;
1696         if (rt2x00_get_field32(word0, RXD_W0_MY_BSS))
1697                 rxdesc->dev_flags |= RXDONE_MY_BSS;
1698
1699         /*
1700          * Set skb pointers, and update frame information.
1701          */
1702         skb_pull(entry->skb, entry->queue->desc_size);
1703         skb_trim(entry->skb, rxdesc->size);
1704 }
1705
1706 /*
1707  * Device probe functions.
1708  */
1709 static int rt73usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
1710 {
1711         u16 word;
1712         u8 *mac;
1713         s8 value;
1714
1715         rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom, EEPROM_SIZE);
1716
1717         /*
1718          * Start validation of the data that has been read.
1719          */
1720         mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
1721         if (!is_valid_ether_addr(mac)) {
1722                 random_ether_addr(mac);
1723                 EEPROM(rt2x00dev, "MAC: %pM\n", mac);
1724         }
1725
1726         rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
1727         if (word == 0xffff) {
1728                 rt2x00_set_field16(&word, EEPROM_ANTENNA_NUM, 2);
1729                 rt2x00_set_field16(&word, EEPROM_ANTENNA_TX_DEFAULT,
1730                                    ANTENNA_B);
1731                 rt2x00_set_field16(&word, EEPROM_ANTENNA_RX_DEFAULT,
1732                                    ANTENNA_B);
1733                 rt2x00_set_field16(&word, EEPROM_ANTENNA_FRAME_TYPE, 0);
1734                 rt2x00_set_field16(&word, EEPROM_ANTENNA_DYN_TXAGC, 0);
1735                 rt2x00_set_field16(&word, EEPROM_ANTENNA_HARDWARE_RADIO, 0);
1736                 rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF5226);
1737                 rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
1738                 EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word);
1739         }
1740
1741         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word);
1742         if (word == 0xffff) {
1743                 rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA, 0);
1744                 rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word);
1745                 EEPROM(rt2x00dev, "NIC: 0x%04x\n", word);
1746         }
1747
1748         rt2x00_eeprom_read(rt2x00dev, EEPROM_LED, &word);
1749         if (word == 0xffff) {
1750                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_RDY_G, 0);
1751                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_RDY_A, 0);
1752                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_ACT, 0);
1753                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_0, 0);
1754                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_1, 0);
1755                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_2, 0);
1756                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_3, 0);
1757                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_4, 0);
1758                 rt2x00_set_field16(&word, EEPROM_LED_LED_MODE,
1759                                    LED_MODE_DEFAULT);
1760                 rt2x00_eeprom_write(rt2x00dev, EEPROM_LED, word);
1761                 EEPROM(rt2x00dev, "Led: 0x%04x\n", word);
1762         }
1763
1764         rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &word);
1765         if (word == 0xffff) {
1766                 rt2x00_set_field16(&word, EEPROM_FREQ_OFFSET, 0);
1767                 rt2x00_set_field16(&word, EEPROM_FREQ_SEQ, 0);
1768                 rt2x00_eeprom_write(rt2x00dev, EEPROM_FREQ, word);
1769                 EEPROM(rt2x00dev, "Freq: 0x%04x\n", word);
1770         }
1771
1772         rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_BG, &word);
1773         if (word == 0xffff) {
1774                 rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_1, 0);
1775                 rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_2, 0);
1776                 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_BG, word);
1777                 EEPROM(rt2x00dev, "RSSI OFFSET BG: 0x%04x\n", word);
1778         } else {
1779                 value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_BG_1);
1780                 if (value < -10 || value > 10)
1781                         rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_1, 0);
1782                 value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_BG_2);
1783                 if (value < -10 || value > 10)
1784                         rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_2, 0);
1785                 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_BG, word);
1786         }
1787
1788         rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_A, &word);
1789         if (word == 0xffff) {
1790                 rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_1, 0);
1791                 rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_2, 0);
1792                 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_A, word);
1793                 EEPROM(rt2x00dev, "RSSI OFFSET A: 0x%04x\n", word);
1794         } else {
1795                 value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_A_1);
1796                 if (value < -10 || value > 10)
1797                         rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_1, 0);
1798                 value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_A_2);
1799                 if (value < -10 || value > 10)
1800                         rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_2, 0);
1801                 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_A, word);
1802         }
1803
1804         return 0;
1805 }
1806
1807 static int rt73usb_init_eeprom(struct rt2x00_dev *rt2x00dev)
1808 {
1809         u32 reg;
1810         u16 value;
1811         u16 eeprom;
1812
1813         /*
1814          * Read EEPROM word for configuration.
1815          */
1816         rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
1817
1818         /*
1819          * Identify RF chipset.
1820          */
1821         value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
1822         rt2x00usb_register_read(rt2x00dev, MAC_CSR0, &reg);
1823         rt2x00_set_chip(rt2x00dev, rt2x00_get_field32(reg, MAC_CSR0_CHIPSET),
1824                         value, rt2x00_get_field32(reg, MAC_CSR0_REVISION));
1825
1826         if (!rt2x00_rt(rt2x00dev, RT2573) || (rt2x00_rev(rt2x00dev) == 0)) {
1827                 ERROR(rt2x00dev, "Invalid RT chipset detected.\n");
1828                 return -ENODEV;
1829         }
1830
1831         if (!rt2x00_rf(rt2x00dev, RF5226) &&
1832             !rt2x00_rf(rt2x00dev, RF2528) &&
1833             !rt2x00_rf(rt2x00dev, RF5225) &&
1834             !rt2x00_rf(rt2x00dev, RF2527)) {
1835                 ERROR(rt2x00dev, "Invalid RF chipset detected.\n");
1836                 return -ENODEV;
1837         }
1838
1839         /*
1840          * Identify default antenna configuration.
1841          */
1842         rt2x00dev->default_ant.tx =
1843             rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TX_DEFAULT);
1844         rt2x00dev->default_ant.rx =
1845             rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_DEFAULT);
1846
1847         /*
1848          * Read the Frame type.
1849          */
1850         if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_FRAME_TYPE))
1851                 __set_bit(CONFIG_FRAME_TYPE, &rt2x00dev->flags);
1852
1853         /*
1854          * Detect if this device has an hardware controlled radio.
1855          */
1856         if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO))
1857                 __set_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags);
1858
1859         /*
1860          * Read frequency offset.
1861          */
1862         rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom);
1863         rt2x00dev->freq_offset = rt2x00_get_field16(eeprom, EEPROM_FREQ_OFFSET);
1864
1865         /*
1866          * Read external LNA informations.
1867          */
1868         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom);
1869
1870         if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA)) {
1871                 __set_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags);
1872                 __set_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags);
1873         }
1874
1875         /*
1876          * Store led settings, for correct led behaviour.
1877          */
1878 #ifdef CONFIG_RT2X00_LIB_LEDS
1879         rt2x00_eeprom_read(rt2x00dev, EEPROM_LED, &eeprom);
1880
1881         rt73usb_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO);
1882         rt73usb_init_led(rt2x00dev, &rt2x00dev->led_assoc, LED_TYPE_ASSOC);
1883         if (value == LED_MODE_SIGNAL_STRENGTH)
1884                 rt73usb_init_led(rt2x00dev, &rt2x00dev->led_qual,
1885                                  LED_TYPE_QUALITY);
1886
1887         rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_LED_MODE, value);
1888         rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_0,
1889                            rt2x00_get_field16(eeprom,
1890                                               EEPROM_LED_POLARITY_GPIO_0));
1891         rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_1,
1892                            rt2x00_get_field16(eeprom,
1893                                               EEPROM_LED_POLARITY_GPIO_1));
1894         rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_2,
1895                            rt2x00_get_field16(eeprom,
1896                                               EEPROM_LED_POLARITY_GPIO_2));
1897         rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_3,
1898                            rt2x00_get_field16(eeprom,
1899                                               EEPROM_LED_POLARITY_GPIO_3));
1900         rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_4,
1901                            rt2x00_get_field16(eeprom,
1902                                               EEPROM_LED_POLARITY_GPIO_4));
1903         rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_ACT,
1904                            rt2x00_get_field16(eeprom, EEPROM_LED_POLARITY_ACT));
1905         rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_READY_BG,
1906                            rt2x00_get_field16(eeprom,
1907                                               EEPROM_LED_POLARITY_RDY_G));
1908         rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_READY_A,
1909                            rt2x00_get_field16(eeprom,
1910                                               EEPROM_LED_POLARITY_RDY_A));
1911 #endif /* CONFIG_RT2X00_LIB_LEDS */
1912
1913         return 0;
1914 }
1915
1916 /*
1917  * RF value list for RF2528
1918  * Supports: 2.4 GHz
1919  */
1920 static const struct rf_channel rf_vals_bg_2528[] = {
1921         { 1,  0x00002c0c, 0x00000786, 0x00068255, 0x000fea0b },
1922         { 2,  0x00002c0c, 0x00000786, 0x00068255, 0x000fea1f },
1923         { 3,  0x00002c0c, 0x0000078a, 0x00068255, 0x000fea0b },
1924         { 4,  0x00002c0c, 0x0000078a, 0x00068255, 0x000fea1f },
1925         { 5,  0x00002c0c, 0x0000078e, 0x00068255, 0x000fea0b },
1926         { 6,  0x00002c0c, 0x0000078e, 0x00068255, 0x000fea1f },
1927         { 7,  0x00002c0c, 0x00000792, 0x00068255, 0x000fea0b },
1928         { 8,  0x00002c0c, 0x00000792, 0x00068255, 0x000fea1f },
1929         { 9,  0x00002c0c, 0x00000796, 0x00068255, 0x000fea0b },
1930         { 10, 0x00002c0c, 0x00000796, 0x00068255, 0x000fea1f },
1931         { 11, 0x00002c0c, 0x0000079a, 0x00068255, 0x000fea0b },
1932         { 12, 0x00002c0c, 0x0000079a, 0x00068255, 0x000fea1f },
1933         { 13, 0x00002c0c, 0x0000079e, 0x00068255, 0x000fea0b },
1934         { 14, 0x00002c0c, 0x000007a2, 0x00068255, 0x000fea13 },
1935 };
1936
1937 /*
1938  * RF value list for RF5226
1939  * Supports: 2.4 GHz & 5.2 GHz
1940  */
1941 static const struct rf_channel rf_vals_5226[] = {
1942         { 1,  0x00002c0c, 0x00000786, 0x00068255, 0x000fea0b },
1943         { 2,  0x00002c0c, 0x00000786, 0x00068255, 0x000fea1f },
1944         { 3,  0x00002c0c, 0x0000078a, 0x00068255, 0x000fea0b },
1945         { 4,  0x00002c0c, 0x0000078a, 0x00068255, 0x000fea1f },
1946         { 5,  0x00002c0c, 0x0000078e, 0x00068255, 0x000fea0b },
1947         { 6,  0x00002c0c, 0x0000078e, 0x00068255, 0x000fea1f },
1948         { 7,  0x00002c0c, 0x00000792, 0x00068255, 0x000fea0b },
1949         { 8,  0x00002c0c, 0x00000792, 0x00068255, 0x000fea1f },
1950         { 9,  0x00002c0c, 0x00000796, 0x00068255, 0x000fea0b },
1951         { 10, 0x00002c0c, 0x00000796, 0x00068255, 0x000fea1f },
1952         { 11, 0x00002c0c, 0x0000079a, 0x00068255, 0x000fea0b },
1953         { 12, 0x00002c0c, 0x0000079a, 0x00068255, 0x000fea1f },
1954         { 13, 0x00002c0c, 0x0000079e, 0x00068255, 0x000fea0b },
1955         { 14, 0x00002c0c, 0x000007a2, 0x00068255, 0x000fea13 },
1956
1957         /* 802.11 UNI / HyperLan 2 */
1958         { 36, 0x00002c0c, 0x0000099a, 0x00098255, 0x000fea23 },
1959         { 40, 0x00002c0c, 0x000009a2, 0x00098255, 0x000fea03 },
1960         { 44, 0x00002c0c, 0x000009a6, 0x00098255, 0x000fea0b },
1961         { 48, 0x00002c0c, 0x000009aa, 0x00098255, 0x000fea13 },
1962         { 52, 0x00002c0c, 0x000009ae, 0x00098255, 0x000fea1b },
1963         { 56, 0x00002c0c, 0x000009b2, 0x00098255, 0x000fea23 },
1964         { 60, 0x00002c0c, 0x000009ba, 0x00098255, 0x000fea03 },
1965         { 64, 0x00002c0c, 0x000009be, 0x00098255, 0x000fea0b },
1966
1967         /* 802.11 HyperLan 2 */
1968         { 100, 0x00002c0c, 0x00000a2a, 0x000b8255, 0x000fea03 },
1969         { 104, 0x00002c0c, 0x00000a2e, 0x000b8255, 0x000fea0b },
1970         { 108, 0x00002c0c, 0x00000a32, 0x000b8255, 0x000fea13 },
1971         { 112, 0x00002c0c, 0x00000a36, 0x000b8255, 0x000fea1b },
1972         { 116, 0x00002c0c, 0x00000a3a, 0x000b8255, 0x000fea23 },
1973         { 120, 0x00002c0c, 0x00000a82, 0x000b8255, 0x000fea03 },
1974         { 124, 0x00002c0c, 0x00000a86, 0x000b8255, 0x000fea0b },
1975         { 128, 0x00002c0c, 0x00000a8a, 0x000b8255, 0x000fea13 },
1976         { 132, 0x00002c0c, 0x00000a8e, 0x000b8255, 0x000fea1b },
1977         { 136, 0x00002c0c, 0x00000a92, 0x000b8255, 0x000fea23 },
1978
1979         /* 802.11 UNII */
1980         { 140, 0x00002c0c, 0x00000a9a, 0x000b8255, 0x000fea03 },
1981         { 149, 0x00002c0c, 0x00000aa2, 0x000b8255, 0x000fea1f },
1982         { 153, 0x00002c0c, 0x00000aa6, 0x000b8255, 0x000fea27 },
1983         { 157, 0x00002c0c, 0x00000aae, 0x000b8255, 0x000fea07 },
1984         { 161, 0x00002c0c, 0x00000ab2, 0x000b8255, 0x000fea0f },
1985         { 165, 0x00002c0c, 0x00000ab6, 0x000b8255, 0x000fea17 },
1986
1987         /* MMAC(Japan)J52 ch 34,38,42,46 */
1988         { 34, 0x00002c0c, 0x0008099a, 0x000da255, 0x000d3a0b },
1989         { 38, 0x00002c0c, 0x0008099e, 0x000da255, 0x000d3a13 },
1990         { 42, 0x00002c0c, 0x000809a2, 0x000da255, 0x000d3a1b },
1991         { 46, 0x00002c0c, 0x000809a6, 0x000da255, 0x000d3a23 },
1992 };
1993
1994 /*
1995  * RF value list for RF5225 & RF2527
1996  * Supports: 2.4 GHz & 5.2 GHz
1997  */
1998 static const struct rf_channel rf_vals_5225_2527[] = {
1999         { 1,  0x00002ccc, 0x00004786, 0x00068455, 0x000ffa0b },
2000         { 2,  0x00002ccc, 0x00004786, 0x00068455, 0x000ffa1f },
2001         { 3,  0x00002ccc, 0x0000478a, 0x00068455, 0x000ffa0b },
2002         { 4,  0x00002ccc, 0x0000478a, 0x00068455, 0x000ffa1f },
2003         { 5,  0x00002ccc, 0x0000478e, 0x00068455, 0x000ffa0b },
2004         { 6,  0x00002ccc, 0x0000478e, 0x00068455, 0x000ffa1f },
2005         { 7,  0x00002ccc, 0x00004792, 0x00068455, 0x000ffa0b },
2006         { 8,  0x00002ccc, 0x00004792, 0x00068455, 0x000ffa1f },
2007         { 9,  0x00002ccc, 0x00004796, 0x00068455, 0x000ffa0b },
2008         { 10, 0x00002ccc, 0x00004796, 0x00068455, 0x000ffa1f },
2009         { 11, 0x00002ccc, 0x0000479a, 0x00068455, 0x000ffa0b },
2010         { 12, 0x00002ccc, 0x0000479a, 0x00068455, 0x000ffa1f },
2011         { 13, 0x00002ccc, 0x0000479e, 0x00068455, 0x000ffa0b },
2012         { 14, 0x00002ccc, 0x000047a2, 0x00068455, 0x000ffa13 },
2013
2014         /* 802.11 UNI / HyperLan 2 */
2015         { 36, 0x00002ccc, 0x0000499a, 0x0009be55, 0x000ffa23 },
2016         { 40, 0x00002ccc, 0x000049a2, 0x0009be55, 0x000ffa03 },
2017         { 44, 0x00002ccc, 0x000049a6, 0x0009be55, 0x000ffa0b },
2018         { 48, 0x00002ccc, 0x000049aa, 0x0009be55, 0x000ffa13 },
2019         { 52, 0x00002ccc, 0x000049ae, 0x0009ae55, 0x000ffa1b },
2020         { 56, 0x00002ccc, 0x000049b2, 0x0009ae55, 0x000ffa23 },
2021         { 60, 0x00002ccc, 0x000049ba, 0x0009ae55, 0x000ffa03 },
2022         { 64, 0x00002ccc, 0x000049be, 0x0009ae55, 0x000ffa0b },
2023
2024         /* 802.11 HyperLan 2 */
2025         { 100, 0x00002ccc, 0x00004a2a, 0x000bae55, 0x000ffa03 },
2026         { 104, 0x00002ccc, 0x00004a2e, 0x000bae55, 0x000ffa0b },
2027         { 108, 0x00002ccc, 0x00004a32, 0x000bae55, 0x000ffa13 },
2028         { 112, 0x00002ccc, 0x00004a36, 0x000bae55, 0x000ffa1b },
2029         { 116, 0x00002ccc, 0x00004a3a, 0x000bbe55, 0x000ffa23 },
2030         { 120, 0x00002ccc, 0x00004a82, 0x000bbe55, 0x000ffa03 },
2031         { 124, 0x00002ccc, 0x00004a86, 0x000bbe55, 0x000ffa0b },
2032         { 128, 0x00002ccc, 0x00004a8a, 0x000bbe55, 0x000ffa13 },
2033         { 132, 0x00002ccc, 0x00004a8e, 0x000bbe55, 0x000ffa1b },
2034         { 136, 0x00002ccc, 0x00004a92, 0x000bbe55, 0x000ffa23 },
2035
2036         /* 802.11 UNII */
2037         { 140, 0x00002ccc, 0x00004a9a, 0x000bbe55, 0x000ffa03 },
2038         { 149, 0x00002ccc, 0x00004aa2, 0x000bbe55, 0x000ffa1f },
2039         { 153, 0x00002ccc, 0x00004aa6, 0x000bbe55, 0x000ffa27 },
2040         { 157, 0x00002ccc, 0x00004aae, 0x000bbe55, 0x000ffa07 },
2041         { 161, 0x00002ccc, 0x00004ab2, 0x000bbe55, 0x000ffa0f },
2042         { 165, 0x00002ccc, 0x00004ab6, 0x000bbe55, 0x000ffa17 },
2043
2044         /* MMAC(Japan)J52 ch 34,38,42,46 */
2045         { 34, 0x00002ccc, 0x0000499a, 0x0009be55, 0x000ffa0b },
2046         { 38, 0x00002ccc, 0x0000499e, 0x0009be55, 0x000ffa13 },
2047         { 42, 0x00002ccc, 0x000049a2, 0x0009be55, 0x000ffa1b },
2048         { 46, 0x00002ccc, 0x000049a6, 0x0009be55, 0x000ffa23 },
2049 };
2050
2051
2052 static int rt73usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
2053 {
2054         struct hw_mode_spec *spec = &rt2x00dev->spec;
2055         struct channel_info *info;
2056         char *tx_power;
2057         unsigned int i;
2058
2059         /*
2060          * Initialize all hw fields.
2061          */
2062         rt2x00dev->hw->flags =
2063             IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
2064             IEEE80211_HW_SIGNAL_DBM |
2065             IEEE80211_HW_SUPPORTS_PS |
2066             IEEE80211_HW_PS_NULLFUNC_STACK;
2067
2068         SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
2069         SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
2070                                 rt2x00_eeprom_addr(rt2x00dev,
2071                                                    EEPROM_MAC_ADDR_0));
2072
2073         /*
2074          * Initialize hw_mode information.
2075          */
2076         spec->supported_bands = SUPPORT_BAND_2GHZ;
2077         spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
2078
2079         if (rt2x00_rf(rt2x00dev, RF2528)) {
2080                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2528);
2081                 spec->channels = rf_vals_bg_2528;
2082         } else if (rt2x00_rf(rt2x00dev, RF5226)) {
2083                 spec->supported_bands |= SUPPORT_BAND_5GHZ;
2084                 spec->num_channels = ARRAY_SIZE(rf_vals_5226);
2085                 spec->channels = rf_vals_5226;
2086         } else if (rt2x00_rf(rt2x00dev, RF2527)) {
2087                 spec->num_channels = 14;
2088                 spec->channels = rf_vals_5225_2527;
2089         } else if (rt2x00_rf(rt2x00dev, RF5225)) {
2090                 spec->supported_bands |= SUPPORT_BAND_5GHZ;
2091                 spec->num_channels = ARRAY_SIZE(rf_vals_5225_2527);
2092                 spec->channels = rf_vals_5225_2527;
2093         }
2094
2095         /*
2096          * Create channel information array
2097          */
2098         info = kzalloc(spec->num_channels * sizeof(*info), GFP_KERNEL);
2099         if (!info)
2100                 return -ENOMEM;
2101
2102         spec->channels_info = info;
2103
2104         tx_power = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_G_START);
2105         for (i = 0; i < 14; i++)
2106                 info[i].tx_power1 = TXPOWER_FROM_DEV(tx_power[i]);
2107
2108         if (spec->num_channels > 14) {
2109                 tx_power = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A_START);
2110                 for (i = 14; i < spec->num_channels; i++)
2111                         info[i].tx_power1 = TXPOWER_FROM_DEV(tx_power[i]);
2112         }
2113
2114         return 0;
2115 }
2116
2117 static int rt73usb_probe_hw(struct rt2x00_dev *rt2x00dev)
2118 {
2119         int retval;
2120
2121         /*
2122          * Allocate eeprom data.
2123          */
2124         retval = rt73usb_validate_eeprom(rt2x00dev);
2125         if (retval)
2126                 return retval;
2127
2128         retval = rt73usb_init_eeprom(rt2x00dev);
2129         if (retval)
2130                 return retval;
2131
2132         /*
2133          * Initialize hw specifications.
2134          */
2135         retval = rt73usb_probe_hw_mode(rt2x00dev);
2136         if (retval)
2137                 return retval;
2138
2139         /*
2140          * This device has multiple filters for control frames,
2141          * but has no a separate filter for PS Poll frames.
2142          */
2143         __set_bit(DRIVER_SUPPORT_CONTROL_FILTERS, &rt2x00dev->flags);
2144
2145         /*
2146          * This device requires firmware.
2147          */
2148         __set_bit(DRIVER_REQUIRE_FIRMWARE, &rt2x00dev->flags);
2149         if (!modparam_nohwcrypt)
2150                 __set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags);
2151
2152         /*
2153          * Set the rssi offset.
2154          */
2155         rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
2156
2157         return 0;
2158 }
2159
2160 /*
2161  * IEEE80211 stack callback functions.
2162  */
2163 static int rt73usb_conf_tx(struct ieee80211_hw *hw, u16 queue_idx,
2164                            const struct ieee80211_tx_queue_params *params)
2165 {
2166         struct rt2x00_dev *rt2x00dev = hw->priv;
2167         struct data_queue *queue;
2168         struct rt2x00_field32 field;
2169         int retval;
2170         u32 reg;
2171         u32 offset;
2172
2173         /*
2174          * First pass the configuration through rt2x00lib, that will
2175          * update the queue settings and validate the input. After that
2176          * we are free to update the registers based on the value
2177          * in the queue parameter.
2178          */
2179         retval = rt2x00mac_conf_tx(hw, queue_idx, params);
2180         if (retval)
2181                 return retval;
2182
2183         /*
2184          * We only need to perform additional register initialization
2185          * for WMM queues/
2186          */
2187         if (queue_idx >= 4)
2188                 return 0;
2189
2190         queue = rt2x00queue_get_queue(rt2x00dev, queue_idx);
2191
2192         /* Update WMM TXOP register */
2193         offset = AC_TXOP_CSR0 + (sizeof(u32) * (!!(queue_idx & 2)));
2194         field.bit_offset = (queue_idx & 1) * 16;
2195         field.bit_mask = 0xffff << field.bit_offset;
2196
2197         rt2x00usb_register_read(rt2x00dev, offset, &reg);
2198         rt2x00_set_field32(&reg, field, queue->txop);
2199         rt2x00usb_register_write(rt2x00dev, offset, reg);
2200
2201         /* Update WMM registers */
2202         field.bit_offset = queue_idx * 4;
2203         field.bit_mask = 0xf << field.bit_offset;
2204
2205         rt2x00usb_register_read(rt2x00dev, AIFSN_CSR, &reg);
2206         rt2x00_set_field32(&reg, field, queue->aifs);
2207         rt2x00usb_register_write(rt2x00dev, AIFSN_CSR, reg);
2208
2209         rt2x00usb_register_read(rt2x00dev, CWMIN_CSR, &reg);
2210         rt2x00_set_field32(&reg, field, queue->cw_min);
2211         rt2x00usb_register_write(rt2x00dev, CWMIN_CSR, reg);
2212
2213         rt2x00usb_register_read(rt2x00dev, CWMAX_CSR, &reg);
2214         rt2x00_set_field32(&reg, field, queue->cw_max);
2215         rt2x00usb_register_write(rt2x00dev, CWMAX_CSR, reg);
2216
2217         return 0;
2218 }
2219
2220 static u64 rt73usb_get_tsf(struct ieee80211_hw *hw)
2221 {
2222         struct rt2x00_dev *rt2x00dev = hw->priv;
2223         u64 tsf;
2224         u32 reg;
2225
2226         rt2x00usb_register_read(rt2x00dev, TXRX_CSR13, &reg);
2227         tsf = (u64) rt2x00_get_field32(reg, TXRX_CSR13_HIGH_TSFTIMER) << 32;
2228         rt2x00usb_register_read(rt2x00dev, TXRX_CSR12, &reg);
2229         tsf |= rt2x00_get_field32(reg, TXRX_CSR12_LOW_TSFTIMER);
2230
2231         return tsf;
2232 }
2233
2234 static const struct ieee80211_ops rt73usb_mac80211_ops = {
2235         .tx                     = rt2x00mac_tx,
2236         .start                  = rt2x00mac_start,
2237         .stop                   = rt2x00mac_stop,
2238         .add_interface          = rt2x00mac_add_interface,
2239         .remove_interface       = rt2x00mac_remove_interface,
2240         .config                 = rt2x00mac_config,
2241         .configure_filter       = rt2x00mac_configure_filter,
2242         .set_tim                = rt2x00mac_set_tim,
2243         .set_key                = rt2x00mac_set_key,
2244         .get_stats              = rt2x00mac_get_stats,
2245         .bss_info_changed       = rt2x00mac_bss_info_changed,
2246         .conf_tx                = rt73usb_conf_tx,
2247         .get_tsf                = rt73usb_get_tsf,
2248         .rfkill_poll            = rt2x00mac_rfkill_poll,
2249 };
2250
2251 static const struct rt2x00lib_ops rt73usb_rt2x00_ops = {
2252         .probe_hw               = rt73usb_probe_hw,
2253         .get_firmware_name      = rt73usb_get_firmware_name,
2254         .check_firmware         = rt73usb_check_firmware,
2255         .load_firmware          = rt73usb_load_firmware,
2256         .initialize             = rt2x00usb_initialize,
2257         .uninitialize           = rt2x00usb_uninitialize,
2258         .clear_entry            = rt2x00usb_clear_entry,
2259         .set_device_state       = rt73usb_set_device_state,
2260         .rfkill_poll            = rt73usb_rfkill_poll,
2261         .link_stats             = rt73usb_link_stats,
2262         .reset_tuner            = rt73usb_reset_tuner,
2263         .link_tuner             = rt73usb_link_tuner,
2264         .write_tx_desc          = rt73usb_write_tx_desc,
2265         .write_tx_data          = rt2x00usb_write_tx_data,
2266         .write_beacon           = rt73usb_write_beacon,
2267         .get_tx_data_len        = rt73usb_get_tx_data_len,
2268         .kick_tx_queue          = rt73usb_kick_tx_queue,
2269         .kill_tx_queue          = rt2x00usb_kill_tx_queue,
2270         .fill_rxdone            = rt73usb_fill_rxdone,
2271         .config_shared_key      = rt73usb_config_shared_key,
2272         .config_pairwise_key    = rt73usb_config_pairwise_key,
2273         .config_filter          = rt73usb_config_filter,
2274         .config_intf            = rt73usb_config_intf,
2275         .config_erp             = rt73usb_config_erp,
2276         .config_ant             = rt73usb_config_ant,
2277         .config                 = rt73usb_config,
2278 };
2279
2280 static const struct data_queue_desc rt73usb_queue_rx = {
2281         .entry_num              = RX_ENTRIES,
2282         .data_size              = DATA_FRAME_SIZE,
2283         .desc_size              = RXD_DESC_SIZE,
2284         .priv_size              = sizeof(struct queue_entry_priv_usb),
2285 };
2286
2287 static const struct data_queue_desc rt73usb_queue_tx = {
2288         .entry_num              = TX_ENTRIES,
2289         .data_size              = DATA_FRAME_SIZE,
2290         .desc_size              = TXD_DESC_SIZE,
2291         .priv_size              = sizeof(struct queue_entry_priv_usb),
2292 };
2293
2294 static const struct data_queue_desc rt73usb_queue_bcn = {
2295         .entry_num              = 4 * BEACON_ENTRIES,
2296         .data_size              = MGMT_FRAME_SIZE,
2297         .desc_size              = TXINFO_SIZE,
2298         .priv_size              = sizeof(struct queue_entry_priv_usb),
2299 };
2300
2301 static const struct rt2x00_ops rt73usb_ops = {
2302         .name                   = KBUILD_MODNAME,
2303         .max_sta_intf           = 1,
2304         .max_ap_intf            = 4,
2305         .eeprom_size            = EEPROM_SIZE,
2306         .rf_size                = RF_SIZE,
2307         .tx_queues              = NUM_TX_QUEUES,
2308         .extra_tx_headroom      = TXD_DESC_SIZE,
2309         .rx                     = &rt73usb_queue_rx,
2310         .tx                     = &rt73usb_queue_tx,
2311         .bcn                    = &rt73usb_queue_bcn,
2312         .lib                    = &rt73usb_rt2x00_ops,
2313         .hw                     = &rt73usb_mac80211_ops,
2314 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
2315         .debugfs                = &rt73usb_rt2x00debug,
2316 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
2317 };
2318
2319 /*
2320  * rt73usb module information.
2321  */
2322 static struct usb_device_id rt73usb_device_table[] = {
2323         /* AboCom */
2324         { USB_DEVICE(0x07b8, 0xb21b), USB_DEVICE_DATA(&rt73usb_ops) },
2325         { USB_DEVICE(0x07b8, 0xb21c), USB_DEVICE_DATA(&rt73usb_ops) },
2326         { USB_DEVICE(0x07b8, 0xb21d), USB_DEVICE_DATA(&rt73usb_ops) },
2327         { USB_DEVICE(0x07b8, 0xb21e), USB_DEVICE_DATA(&rt73usb_ops) },
2328         { USB_DEVICE(0x07b8, 0xb21f), USB_DEVICE_DATA(&rt73usb_ops) },
2329         /* AL */
2330         { USB_DEVICE(0x14b2, 0x3c10), USB_DEVICE_DATA(&rt73usb_ops) },
2331         /* Amigo */
2332         { USB_DEVICE(0x148f, 0x9021), USB_DEVICE_DATA(&rt73usb_ops) },
2333         { USB_DEVICE(0x0eb0, 0x9021), USB_DEVICE_DATA(&rt73usb_ops) },
2334         /* AMIT  */
2335         { USB_DEVICE(0x18c5, 0x0002), USB_DEVICE_DATA(&rt73usb_ops) },
2336         /* Askey */
2337         { USB_DEVICE(0x1690, 0x0722), USB_DEVICE_DATA(&rt73usb_ops) },
2338         /* ASUS */
2339         { USB_DEVICE(0x0b05, 0x1723), USB_DEVICE_DATA(&rt73usb_ops) },
2340         { USB_DEVICE(0x0b05, 0x1724), USB_DEVICE_DATA(&rt73usb_ops) },
2341         /* Belkin */
2342         { USB_DEVICE(0x050d, 0x7050), USB_DEVICE_DATA(&rt73usb_ops) },
2343         { USB_DEVICE(0x050d, 0x705a), USB_DEVICE_DATA(&rt73usb_ops) },
2344         { USB_DEVICE(0x050d, 0x905b), USB_DEVICE_DATA(&rt73usb_ops) },
2345         { USB_DEVICE(0x050d, 0x905c), USB_DEVICE_DATA(&rt73usb_ops) },
2346         /* Billionton */
2347         { USB_DEVICE(0x1631, 0xc019), USB_DEVICE_DATA(&rt73usb_ops) },
2348         { USB_DEVICE(0x08dd, 0x0120), USB_DEVICE_DATA(&rt73usb_ops) },
2349         /* Buffalo */
2350         { USB_DEVICE(0x0411, 0x00d8), USB_DEVICE_DATA(&rt73usb_ops) },
2351         { USB_DEVICE(0x0411, 0x00d9), USB_DEVICE_DATA(&rt73usb_ops) },
2352         { USB_DEVICE(0x0411, 0x00f4), USB_DEVICE_DATA(&rt73usb_ops) },
2353         { USB_DEVICE(0x0411, 0x0116), USB_DEVICE_DATA(&rt73usb_ops) },
2354         { USB_DEVICE(0x0411, 0x0119), USB_DEVICE_DATA(&rt73usb_ops) },
2355         /* CEIVA */
2356         { USB_DEVICE(0x178d, 0x02be), USB_DEVICE_DATA(&rt73usb_ops) },
2357         /* CNet */
2358         { USB_DEVICE(0x1371, 0x9022), USB_DEVICE_DATA(&rt73usb_ops) },
2359         { USB_DEVICE(0x1371, 0x9032), USB_DEVICE_DATA(&rt73usb_ops) },
2360         /* Conceptronic */
2361         { USB_DEVICE(0x14b2, 0x3c22), USB_DEVICE_DATA(&rt73usb_ops) },
2362         /* Corega */
2363         { USB_DEVICE(0x07aa, 0x002e), USB_DEVICE_DATA(&rt73usb_ops) },
2364         /* D-Link */
2365         { USB_DEVICE(0x07d1, 0x3c03), USB_DEVICE_DATA(&rt73usb_ops) },
2366         { USB_DEVICE(0x07d1, 0x3c04), USB_DEVICE_DATA(&rt73usb_ops) },
2367         { USB_DEVICE(0x07d1, 0x3c06), USB_DEVICE_DATA(&rt73usb_ops) },
2368         { USB_DEVICE(0x07d1, 0x3c07), USB_DEVICE_DATA(&rt73usb_ops) },
2369         /* Edimax */
2370         { USB_DEVICE(0x7392, 0x7318), USB_DEVICE_DATA(&rt73usb_ops) },
2371         { USB_DEVICE(0x7392, 0x7618), USB_DEVICE_DATA(&rt73usb_ops) },
2372         /* EnGenius */
2373         { USB_DEVICE(0x1740, 0x3701), USB_DEVICE_DATA(&rt73usb_ops) },
2374         /* Gemtek */
2375         { USB_DEVICE(0x15a9, 0x0004), USB_DEVICE_DATA(&rt73usb_ops) },
2376         /* Gigabyte */
2377         { USB_DEVICE(0x1044, 0x8008), USB_DEVICE_DATA(&rt73usb_ops) },
2378         { USB_DEVICE(0x1044, 0x800a), USB_DEVICE_DATA(&rt73usb_ops) },
2379         /* Huawei-3Com */
2380         { USB_DEVICE(0x1472, 0x0009), USB_DEVICE_DATA(&rt73usb_ops) },
2381         /* Hercules */
2382         { USB_DEVICE(0x06f8, 0xe002), USB_DEVICE_DATA(&rt73usb_ops) },
2383         { USB_DEVICE(0x06f8, 0xe010), USB_DEVICE_DATA(&rt73usb_ops) },
2384         { USB_DEVICE(0x06f8, 0xe020), USB_DEVICE_DATA(&rt73usb_ops) },
2385         /* Linksys */
2386         { USB_DEVICE(0x13b1, 0x0020), USB_DEVICE_DATA(&rt73usb_ops) },
2387         { USB_DEVICE(0x13b1, 0x0023), USB_DEVICE_DATA(&rt73usb_ops) },
2388         { USB_DEVICE(0x13b1, 0x0028), USB_DEVICE_DATA(&rt73usb_ops) },
2389         /* MSI */
2390         { USB_DEVICE(0x0db0, 0x4600), USB_DEVICE_DATA(&rt73usb_ops) },
2391         { USB_DEVICE(0x0db0, 0x6877), USB_DEVICE_DATA(&rt73usb_ops) },
2392         { USB_DEVICE(0x0db0, 0x6874), USB_DEVICE_DATA(&rt73usb_ops) },
2393         { USB_DEVICE(0x0db0, 0xa861), USB_DEVICE_DATA(&rt73usb_ops) },
2394         { USB_DEVICE(0x0db0, 0xa874), USB_DEVICE_DATA(&rt73usb_ops) },
2395         /* Ovislink */
2396         { USB_DEVICE(0x1b75, 0x7318), USB_DEVICE_DATA(&rt73usb_ops) },
2397         /* Ralink */
2398         { USB_DEVICE(0x04bb, 0x093d), USB_DEVICE_DATA(&rt73usb_ops) },
2399         { USB_DEVICE(0x148f, 0x2573), USB_DEVICE_DATA(&rt73usb_ops) },
2400         { USB_DEVICE(0x148f, 0x2671), USB_DEVICE_DATA(&rt73usb_ops) },
2401         /* Qcom */
2402         { USB_DEVICE(0x18e8, 0x6196), USB_DEVICE_DATA(&rt73usb_ops) },
2403         { USB_DEVICE(0x18e8, 0x6229), USB_DEVICE_DATA(&rt73usb_ops) },
2404         { USB_DEVICE(0x18e8, 0x6238), USB_DEVICE_DATA(&rt73usb_ops) },
2405         /* Samsung */
2406         { USB_DEVICE(0x04e8, 0x4471), USB_DEVICE_DATA(&rt73usb_ops) },
2407         /* Senao */
2408         { USB_DEVICE(0x1740, 0x7100), USB_DEVICE_DATA(&rt73usb_ops) },
2409         /* Sitecom */
2410         { USB_DEVICE(0x0df6, 0x0024), USB_DEVICE_DATA(&rt73usb_ops) },
2411         { USB_DEVICE(0x0df6, 0x0027), USB_DEVICE_DATA(&rt73usb_ops) },
2412         { USB_DEVICE(0x0df6, 0x002f), USB_DEVICE_DATA(&rt73usb_ops) },
2413         { USB_DEVICE(0x0df6, 0x90ac), USB_DEVICE_DATA(&rt73usb_ops) },
2414         { USB_DEVICE(0x0df6, 0x9712), USB_DEVICE_DATA(&rt73usb_ops) },
2415         /* Surecom */
2416         { USB_DEVICE(0x0769, 0x31f3), USB_DEVICE_DATA(&rt73usb_ops) },
2417         /* Tilgin */
2418         { USB_DEVICE(0x6933, 0x5001), USB_DEVICE_DATA(&rt73usb_ops) },
2419         /* Philips */
2420         { USB_DEVICE(0x0471, 0x200a), USB_DEVICE_DATA(&rt73usb_ops) },
2421         /* Planex */
2422         { USB_DEVICE(0x2019, 0xab01), USB_DEVICE_DATA(&rt73usb_ops) },
2423         { USB_DEVICE(0x2019, 0xab50), USB_DEVICE_DATA(&rt73usb_ops) },
2424         /* WideTell */
2425         { USB_DEVICE(0x7167, 0x3840), USB_DEVICE_DATA(&rt73usb_ops) },
2426         /* Zcom */
2427         { USB_DEVICE(0x0cde, 0x001c), USB_DEVICE_DATA(&rt73usb_ops) },
2428         /* ZyXEL */
2429         { USB_DEVICE(0x0586, 0x3415), USB_DEVICE_DATA(&rt73usb_ops) },
2430         { 0, }
2431 };
2432
2433 MODULE_AUTHOR(DRV_PROJECT);
2434 MODULE_VERSION(DRV_VERSION);
2435 MODULE_DESCRIPTION("Ralink RT73 USB Wireless LAN driver.");
2436 MODULE_SUPPORTED_DEVICE("Ralink RT2571W & RT2671 USB chipset based cards");
2437 MODULE_DEVICE_TABLE(usb, rt73usb_device_table);
2438 MODULE_FIRMWARE(FIRMWARE_RT2571);
2439 MODULE_LICENSE("GPL");
2440
2441 static struct usb_driver rt73usb_driver = {
2442         .name           = KBUILD_MODNAME,
2443         .id_table       = rt73usb_device_table,
2444         .probe          = rt2x00usb_probe,
2445         .disconnect     = rt2x00usb_disconnect,
2446         .suspend        = rt2x00usb_suspend,
2447         .resume         = rt2x00usb_resume,
2448 };
2449
2450 static int __init rt73usb_init(void)
2451 {
2452         return usb_register(&rt73usb_driver);
2453 }
2454
2455 static void __exit rt73usb_exit(void)
2456 {
2457         usb_deregister(&rt73usb_driver);
2458 }
2459
2460 module_init(rt73usb_init);
2461 module_exit(rt73usb_exit);