Merge branches 'release', 'asus', 'sony-laptop' and 'thinkpad' into release
[linux-2.6] / drivers / net / wireless / rt2x00 / rt73usb.c
1 /*
2         Copyright (C) 2004 - 2007 rt2x00 SourceForge Project
3         <http://rt2x00.serialmonkey.com>
4
5         This program is free software; you can redistribute it and/or modify
6         it under the terms of the GNU General Public License as published by
7         the Free Software Foundation; either version 2 of the License, or
8         (at your option) any later version.
9
10         This program is distributed in the hope that it will be useful,
11         but WITHOUT ANY WARRANTY; without even the implied warranty of
12         MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13         GNU General Public License for more details.
14
15         You should have received a copy of the GNU General Public License
16         along with this program; if not, write to the
17         Free Software Foundation, Inc.,
18         59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19  */
20
21 /*
22         Module: rt73usb
23         Abstract: rt73usb device specific routines.
24         Supported chipsets: rt2571W & rt2671.
25  */
26
27 #include <linux/delay.h>
28 #include <linux/etherdevice.h>
29 #include <linux/init.h>
30 #include <linux/kernel.h>
31 #include <linux/module.h>
32 #include <linux/usb.h>
33
34 #include "rt2x00.h"
35 #include "rt2x00usb.h"
36 #include "rt73usb.h"
37
38 /*
39  * Register access.
40  * All access to the CSR registers will go through the methods
41  * rt73usb_register_read and rt73usb_register_write.
42  * BBP and RF register require indirect register access,
43  * and use the CSR registers BBPCSR and RFCSR to achieve this.
44  * These indirect registers work with busy bits,
45  * and we will try maximal REGISTER_BUSY_COUNT times to access
46  * the register while taking a REGISTER_BUSY_DELAY us delay
47  * between each attampt. When the busy bit is still set at that time,
48  * the access attempt is considered to have failed,
49  * and we will print an error.
50  * The _lock versions must be used if you already hold the usb_cache_mutex
51  */
52 static inline void rt73usb_register_read(struct rt2x00_dev *rt2x00dev,
53                                          const unsigned int offset, u32 *value)
54 {
55         __le32 reg;
56         rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ,
57                                       USB_VENDOR_REQUEST_IN, offset,
58                                       &reg, sizeof(u32), REGISTER_TIMEOUT);
59         *value = le32_to_cpu(reg);
60 }
61
62 static inline void rt73usb_register_read_lock(struct rt2x00_dev *rt2x00dev,
63                                               const unsigned int offset, u32 *value)
64 {
65         __le32 reg;
66         rt2x00usb_vendor_req_buff_lock(rt2x00dev, USB_MULTI_READ,
67                                        USB_VENDOR_REQUEST_IN, offset,
68                                        &reg, sizeof(u32), REGISTER_TIMEOUT);
69         *value = le32_to_cpu(reg);
70 }
71
72 static inline void rt73usb_register_multiread(struct rt2x00_dev *rt2x00dev,
73                                               const unsigned int offset,
74                                               void *value, const u32 length)
75 {
76         int timeout = REGISTER_TIMEOUT * (length / sizeof(u32));
77         rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ,
78                                       USB_VENDOR_REQUEST_IN, offset,
79                                       value, length, timeout);
80 }
81
82 static inline void rt73usb_register_write(struct rt2x00_dev *rt2x00dev,
83                                           const unsigned int offset, u32 value)
84 {
85         __le32 reg = cpu_to_le32(value);
86         rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE,
87                                       USB_VENDOR_REQUEST_OUT, offset,
88                                       &reg, sizeof(u32), REGISTER_TIMEOUT);
89 }
90
91 static inline void rt73usb_register_write_lock(struct rt2x00_dev *rt2x00dev,
92                                                const unsigned int offset, u32 value)
93 {
94         __le32 reg = cpu_to_le32(value);
95         rt2x00usb_vendor_req_buff_lock(rt2x00dev, USB_MULTI_WRITE,
96                                        USB_VENDOR_REQUEST_OUT, offset,
97                                       &reg, sizeof(u32), REGISTER_TIMEOUT);
98 }
99
100 static inline void rt73usb_register_multiwrite(struct rt2x00_dev *rt2x00dev,
101                                                const unsigned int offset,
102                                                void *value, const u32 length)
103 {
104         int timeout = REGISTER_TIMEOUT * (length / sizeof(u32));
105         rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE,
106                                       USB_VENDOR_REQUEST_OUT, offset,
107                                       value, length, timeout);
108 }
109
110 static u32 rt73usb_bbp_check(struct rt2x00_dev *rt2x00dev)
111 {
112         u32 reg;
113         unsigned int i;
114
115         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
116                 rt73usb_register_read_lock(rt2x00dev, PHY_CSR3, &reg);
117                 if (!rt2x00_get_field32(reg, PHY_CSR3_BUSY))
118                         break;
119                 udelay(REGISTER_BUSY_DELAY);
120         }
121
122         return reg;
123 }
124
125 static void rt73usb_bbp_write(struct rt2x00_dev *rt2x00dev,
126                               const unsigned int word, const u8 value)
127 {
128         u32 reg;
129
130         mutex_lock(&rt2x00dev->usb_cache_mutex);
131
132         /*
133          * Wait until the BBP becomes ready.
134          */
135         reg = rt73usb_bbp_check(rt2x00dev);
136         if (rt2x00_get_field32(reg, PHY_CSR3_BUSY)) {
137                 ERROR(rt2x00dev, "PHY_CSR3 register busy. Write failed.\n");
138                 mutex_unlock(&rt2x00dev->usb_cache_mutex);
139                 return;
140         }
141
142         /*
143          * Write the data into the BBP.
144          */
145         reg = 0;
146         rt2x00_set_field32(&reg, PHY_CSR3_VALUE, value);
147         rt2x00_set_field32(&reg, PHY_CSR3_REGNUM, word);
148         rt2x00_set_field32(&reg, PHY_CSR3_BUSY, 1);
149         rt2x00_set_field32(&reg, PHY_CSR3_READ_CONTROL, 0);
150
151         rt73usb_register_write_lock(rt2x00dev, PHY_CSR3, reg);
152         mutex_unlock(&rt2x00dev->usb_cache_mutex);
153 }
154
155 static void rt73usb_bbp_read(struct rt2x00_dev *rt2x00dev,
156                              const unsigned int word, u8 *value)
157 {
158         u32 reg;
159
160         mutex_lock(&rt2x00dev->usb_cache_mutex);
161
162         /*
163          * Wait until the BBP becomes ready.
164          */
165         reg = rt73usb_bbp_check(rt2x00dev);
166         if (rt2x00_get_field32(reg, PHY_CSR3_BUSY)) {
167                 ERROR(rt2x00dev, "PHY_CSR3 register busy. Read failed.\n");
168                 mutex_unlock(&rt2x00dev->usb_cache_mutex);
169                 return;
170         }
171
172         /*
173          * Write the request into the BBP.
174          */
175         reg = 0;
176         rt2x00_set_field32(&reg, PHY_CSR3_REGNUM, word);
177         rt2x00_set_field32(&reg, PHY_CSR3_BUSY, 1);
178         rt2x00_set_field32(&reg, PHY_CSR3_READ_CONTROL, 1);
179
180         rt73usb_register_write_lock(rt2x00dev, PHY_CSR3, reg);
181
182         /*
183          * Wait until the BBP becomes ready.
184          */
185         reg = rt73usb_bbp_check(rt2x00dev);
186         if (rt2x00_get_field32(reg, PHY_CSR3_BUSY)) {
187                 ERROR(rt2x00dev, "PHY_CSR3 register busy. Read failed.\n");
188                 *value = 0xff;
189                 return;
190         }
191
192         *value = rt2x00_get_field32(reg, PHY_CSR3_VALUE);
193         mutex_unlock(&rt2x00dev->usb_cache_mutex);
194 }
195
196 static void rt73usb_rf_write(struct rt2x00_dev *rt2x00dev,
197                              const unsigned int word, const u32 value)
198 {
199         u32 reg;
200         unsigned int i;
201
202         if (!word)
203                 return;
204
205         mutex_lock(&rt2x00dev->usb_cache_mutex);
206
207         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
208                 rt73usb_register_read_lock(rt2x00dev, PHY_CSR4, &reg);
209                 if (!rt2x00_get_field32(reg, PHY_CSR4_BUSY))
210                         goto rf_write;
211                 udelay(REGISTER_BUSY_DELAY);
212         }
213
214         mutex_unlock(&rt2x00dev->usb_cache_mutex);
215         ERROR(rt2x00dev, "PHY_CSR4 register busy. Write failed.\n");
216         return;
217
218 rf_write:
219         reg = 0;
220         rt2x00_set_field32(&reg, PHY_CSR4_VALUE, value);
221
222         /*
223          * RF5225 and RF2527 contain 21 bits per RF register value,
224          * all others contain 20 bits.
225          */
226         rt2x00_set_field32(&reg, PHY_CSR4_NUMBER_OF_BITS,
227                            20 + (rt2x00_rf(&rt2x00dev->chip, RF5225) ||
228                                  rt2x00_rf(&rt2x00dev->chip, RF2527)));
229         rt2x00_set_field32(&reg, PHY_CSR4_IF_SELECT, 0);
230         rt2x00_set_field32(&reg, PHY_CSR4_BUSY, 1);
231
232         rt73usb_register_write_lock(rt2x00dev, PHY_CSR4, reg);
233         rt2x00_rf_write(rt2x00dev, word, value);
234         mutex_unlock(&rt2x00dev->usb_cache_mutex);
235 }
236
237 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
238 #define CSR_OFFSET(__word)      ( CSR_REG_BASE + ((__word) * sizeof(u32)) )
239
240 static void rt73usb_read_csr(struct rt2x00_dev *rt2x00dev,
241                              const unsigned int word, u32 *data)
242 {
243         rt73usb_register_read(rt2x00dev, CSR_OFFSET(word), data);
244 }
245
246 static void rt73usb_write_csr(struct rt2x00_dev *rt2x00dev,
247                               const unsigned int word, u32 data)
248 {
249         rt73usb_register_write(rt2x00dev, CSR_OFFSET(word), data);
250 }
251
252 static const struct rt2x00debug rt73usb_rt2x00debug = {
253         .owner  = THIS_MODULE,
254         .csr    = {
255                 .read           = rt73usb_read_csr,
256                 .write          = rt73usb_write_csr,
257                 .word_size      = sizeof(u32),
258                 .word_count     = CSR_REG_SIZE / sizeof(u32),
259         },
260         .eeprom = {
261                 .read           = rt2x00_eeprom_read,
262                 .write          = rt2x00_eeprom_write,
263                 .word_size      = sizeof(u16),
264                 .word_count     = EEPROM_SIZE / sizeof(u16),
265         },
266         .bbp    = {
267                 .read           = rt73usb_bbp_read,
268                 .write          = rt73usb_bbp_write,
269                 .word_size      = sizeof(u8),
270                 .word_count     = BBP_SIZE / sizeof(u8),
271         },
272         .rf     = {
273                 .read           = rt2x00_rf_read,
274                 .write          = rt73usb_rf_write,
275                 .word_size      = sizeof(u32),
276                 .word_count     = RF_SIZE / sizeof(u32),
277         },
278 };
279 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
280
281 /*
282  * Configuration handlers.
283  */
284 static void rt73usb_config_mac_addr(struct rt2x00_dev *rt2x00dev, __le32 *mac)
285 {
286         u32 tmp;
287
288         tmp = le32_to_cpu(mac[1]);
289         rt2x00_set_field32(&tmp, MAC_CSR3_UNICAST_TO_ME_MASK, 0xff);
290         mac[1] = cpu_to_le32(tmp);
291
292         rt73usb_register_multiwrite(rt2x00dev, MAC_CSR2, mac,
293                                     (2 * sizeof(__le32)));
294 }
295
296 static void rt73usb_config_bssid(struct rt2x00_dev *rt2x00dev, __le32 *bssid)
297 {
298         u32 tmp;
299
300         tmp = le32_to_cpu(bssid[1]);
301         rt2x00_set_field32(&tmp, MAC_CSR5_BSS_ID_MASK, 3);
302         bssid[1] = cpu_to_le32(tmp);
303
304         rt73usb_register_multiwrite(rt2x00dev, MAC_CSR4, bssid,
305                                     (2 * sizeof(__le32)));
306 }
307
308 static void rt73usb_config_type(struct rt2x00_dev *rt2x00dev, const int type,
309                                 const int tsf_sync)
310 {
311         u32 reg;
312
313         /*
314          * Clear current synchronisation setup.
315          * For the Beacon base registers we only need to clear
316          * the first byte since that byte contains the VALID and OWNER
317          * bits which (when set to 0) will invalidate the entire beacon.
318          */
319         rt73usb_register_write(rt2x00dev, TXRX_CSR9, 0);
320         rt73usb_register_write(rt2x00dev, HW_BEACON_BASE0, 0);
321         rt73usb_register_write(rt2x00dev, HW_BEACON_BASE1, 0);
322         rt73usb_register_write(rt2x00dev, HW_BEACON_BASE2, 0);
323         rt73usb_register_write(rt2x00dev, HW_BEACON_BASE3, 0);
324
325         /*
326          * Enable synchronisation.
327          */
328         rt73usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
329         rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 1);
330         rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE,
331                            (tsf_sync == TSF_SYNC_BEACON));
332         rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 0);
333         rt2x00_set_field32(&reg, TXRX_CSR9_TSF_SYNC, tsf_sync);
334         rt73usb_register_write(rt2x00dev, TXRX_CSR9, reg);
335 }
336
337 static void rt73usb_config_preamble(struct rt2x00_dev *rt2x00dev,
338                                       const int short_preamble,
339                                       const int ack_timeout,
340                                       const int ack_consume_time)
341 {
342         u32 reg;
343
344         /*
345          * When in atomic context, reschedule and let rt2x00lib
346          * call this function again.
347          */
348         if (in_atomic()) {
349                 queue_work(rt2x00dev->hw->workqueue, &rt2x00dev->config_work);
350                 return;
351         }
352
353         rt73usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
354         rt2x00_set_field32(&reg, TXRX_CSR0_RX_ACK_TIMEOUT, ack_timeout);
355         rt73usb_register_write(rt2x00dev, TXRX_CSR0, reg);
356
357         rt73usb_register_read(rt2x00dev, TXRX_CSR4, &reg);
358         rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_PREAMBLE,
359                            !!short_preamble);
360         rt73usb_register_write(rt2x00dev, TXRX_CSR4, reg);
361 }
362
363 static void rt73usb_config_phymode(struct rt2x00_dev *rt2x00dev,
364                                    const int basic_rate_mask)
365 {
366         rt73usb_register_write(rt2x00dev, TXRX_CSR5, basic_rate_mask);
367 }
368
369 static void rt73usb_config_channel(struct rt2x00_dev *rt2x00dev,
370                                    struct rf_channel *rf, const int txpower)
371 {
372         u8 r3;
373         u8 r94;
374         u8 smart;
375
376         rt2x00_set_field32(&rf->rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
377         rt2x00_set_field32(&rf->rf4, RF4_FREQ_OFFSET, rt2x00dev->freq_offset);
378
379         smart = !(rt2x00_rf(&rt2x00dev->chip, RF5225) ||
380                   rt2x00_rf(&rt2x00dev->chip, RF2527));
381
382         rt73usb_bbp_read(rt2x00dev, 3, &r3);
383         rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, smart);
384         rt73usb_bbp_write(rt2x00dev, 3, r3);
385
386         r94 = 6;
387         if (txpower > MAX_TXPOWER && txpower <= (MAX_TXPOWER + r94))
388                 r94 += txpower - MAX_TXPOWER;
389         else if (txpower < MIN_TXPOWER && txpower >= (MIN_TXPOWER - r94))
390                 r94 += txpower;
391         rt73usb_bbp_write(rt2x00dev, 94, r94);
392
393         rt73usb_rf_write(rt2x00dev, 1, rf->rf1);
394         rt73usb_rf_write(rt2x00dev, 2, rf->rf2);
395         rt73usb_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
396         rt73usb_rf_write(rt2x00dev, 4, rf->rf4);
397
398         rt73usb_rf_write(rt2x00dev, 1, rf->rf1);
399         rt73usb_rf_write(rt2x00dev, 2, rf->rf2);
400         rt73usb_rf_write(rt2x00dev, 3, rf->rf3 | 0x00000004);
401         rt73usb_rf_write(rt2x00dev, 4, rf->rf4);
402
403         rt73usb_rf_write(rt2x00dev, 1, rf->rf1);
404         rt73usb_rf_write(rt2x00dev, 2, rf->rf2);
405         rt73usb_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
406         rt73usb_rf_write(rt2x00dev, 4, rf->rf4);
407
408         udelay(10);
409 }
410
411 static void rt73usb_config_txpower(struct rt2x00_dev *rt2x00dev,
412                                    const int txpower)
413 {
414         struct rf_channel rf;
415
416         rt2x00_rf_read(rt2x00dev, 1, &rf.rf1);
417         rt2x00_rf_read(rt2x00dev, 2, &rf.rf2);
418         rt2x00_rf_read(rt2x00dev, 3, &rf.rf3);
419         rt2x00_rf_read(rt2x00dev, 4, &rf.rf4);
420
421         rt73usb_config_channel(rt2x00dev, &rf, txpower);
422 }
423
424 static void rt73usb_config_antenna_5x(struct rt2x00_dev *rt2x00dev,
425                                       struct antenna_setup *ant)
426 {
427         u8 r3;
428         u8 r4;
429         u8 r77;
430         u8 temp;
431
432         rt73usb_bbp_read(rt2x00dev, 3, &r3);
433         rt73usb_bbp_read(rt2x00dev, 4, &r4);
434         rt73usb_bbp_read(rt2x00dev, 77, &r77);
435
436         rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, 0);
437
438         /*
439          * Configure the RX antenna.
440          */
441         switch (ant->rx) {
442         case ANTENNA_HW_DIVERSITY:
443                 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 2);
444                 temp = !test_bit(CONFIG_FRAME_TYPE, &rt2x00dev->flags)
445                        && (rt2x00dev->curr_hwmode != HWMODE_A);
446                 rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, temp);
447                 break;
448         case ANTENNA_A:
449                 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1);
450                 rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 0);
451                 if (rt2x00dev->curr_hwmode == HWMODE_A)
452                         rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 0);
453                 else
454                         rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 3);
455                 break;
456         case ANTENNA_SW_DIVERSITY:
457                 /*
458                  * NOTE: We should never come here because rt2x00lib is
459                  * supposed to catch this and send us the correct antenna
460                  * explicitely. However we are nog going to bug about this.
461                  * Instead, just default to antenna B.
462                  */
463         case ANTENNA_B:
464                 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1);
465                 rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 0);
466                 if (rt2x00dev->curr_hwmode == HWMODE_A)
467                         rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 3);
468                 else
469                         rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 0);
470                 break;
471         }
472
473         rt73usb_bbp_write(rt2x00dev, 77, r77);
474         rt73usb_bbp_write(rt2x00dev, 3, r3);
475         rt73usb_bbp_write(rt2x00dev, 4, r4);
476 }
477
478 static void rt73usb_config_antenna_2x(struct rt2x00_dev *rt2x00dev,
479                                       struct antenna_setup *ant)
480 {
481         u8 r3;
482         u8 r4;
483         u8 r77;
484
485         rt73usb_bbp_read(rt2x00dev, 3, &r3);
486         rt73usb_bbp_read(rt2x00dev, 4, &r4);
487         rt73usb_bbp_read(rt2x00dev, 77, &r77);
488
489         rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, 0);
490         rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END,
491                           !test_bit(CONFIG_FRAME_TYPE, &rt2x00dev->flags));
492
493         /*
494          * Configure the RX antenna.
495          */
496         switch (ant->rx) {
497         case ANTENNA_HW_DIVERSITY:
498                 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 2);
499                 break;
500         case ANTENNA_A:
501                 rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 3);
502                 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1);
503                 break;
504         case ANTENNA_SW_DIVERSITY:
505                 /*
506                  * NOTE: We should never come here because rt2x00lib is
507                  * supposed to catch this and send us the correct antenna
508                  * explicitely. However we are nog going to bug about this.
509                  * Instead, just default to antenna B.
510                  */
511         case ANTENNA_B:
512                 rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 0);
513                 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1);
514                 break;
515         }
516
517         rt73usb_bbp_write(rt2x00dev, 77, r77);
518         rt73usb_bbp_write(rt2x00dev, 3, r3);
519         rt73usb_bbp_write(rt2x00dev, 4, r4);
520 }
521
522 struct antenna_sel {
523         u8 word;
524         /*
525          * value[0] -> non-LNA
526          * value[1] -> LNA
527          */
528         u8 value[2];
529 };
530
531 static const struct antenna_sel antenna_sel_a[] = {
532         { 96,  { 0x58, 0x78 } },
533         { 104, { 0x38, 0x48 } },
534         { 75,  { 0xfe, 0x80 } },
535         { 86,  { 0xfe, 0x80 } },
536         { 88,  { 0xfe, 0x80 } },
537         { 35,  { 0x60, 0x60 } },
538         { 97,  { 0x58, 0x58 } },
539         { 98,  { 0x58, 0x58 } },
540 };
541
542 static const struct antenna_sel antenna_sel_bg[] = {
543         { 96,  { 0x48, 0x68 } },
544         { 104, { 0x2c, 0x3c } },
545         { 75,  { 0xfe, 0x80 } },
546         { 86,  { 0xfe, 0x80 } },
547         { 88,  { 0xfe, 0x80 } },
548         { 35,  { 0x50, 0x50 } },
549         { 97,  { 0x48, 0x48 } },
550         { 98,  { 0x48, 0x48 } },
551 };
552
553 static void rt73usb_config_antenna(struct rt2x00_dev *rt2x00dev,
554                                    struct antenna_setup *ant)
555 {
556         const struct antenna_sel *sel;
557         unsigned int lna;
558         unsigned int i;
559         u32 reg;
560
561         if (rt2x00dev->curr_hwmode == HWMODE_A) {
562                 sel = antenna_sel_a;
563                 lna = test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags);
564         } else {
565                 sel = antenna_sel_bg;
566                 lna = test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags);
567         }
568
569         for (i = 0; i < ARRAY_SIZE(antenna_sel_a); i++)
570                 rt73usb_bbp_write(rt2x00dev, sel[i].word, sel[i].value[lna]);
571
572         rt73usb_register_read(rt2x00dev, PHY_CSR0, &reg);
573
574         rt2x00_set_field32(&reg, PHY_CSR0_PA_PE_BG,
575                            (rt2x00dev->curr_hwmode == HWMODE_B ||
576                             rt2x00dev->curr_hwmode == HWMODE_G));
577         rt2x00_set_field32(&reg, PHY_CSR0_PA_PE_A,
578                            (rt2x00dev->curr_hwmode == HWMODE_A));
579
580         rt73usb_register_write(rt2x00dev, PHY_CSR0, reg);
581
582         if (rt2x00_rf(&rt2x00dev->chip, RF5226) ||
583             rt2x00_rf(&rt2x00dev->chip, RF5225))
584                 rt73usb_config_antenna_5x(rt2x00dev, ant);
585         else if (rt2x00_rf(&rt2x00dev->chip, RF2528) ||
586                  rt2x00_rf(&rt2x00dev->chip, RF2527))
587                 rt73usb_config_antenna_2x(rt2x00dev, ant);
588 }
589
590 static void rt73usb_config_duration(struct rt2x00_dev *rt2x00dev,
591                                     struct rt2x00lib_conf *libconf)
592 {
593         u32 reg;
594
595         rt73usb_register_read(rt2x00dev, MAC_CSR9, &reg);
596         rt2x00_set_field32(&reg, MAC_CSR9_SLOT_TIME, libconf->slot_time);
597         rt73usb_register_write(rt2x00dev, MAC_CSR9, reg);
598
599         rt73usb_register_read(rt2x00dev, MAC_CSR8, &reg);
600         rt2x00_set_field32(&reg, MAC_CSR8_SIFS, libconf->sifs);
601         rt2x00_set_field32(&reg, MAC_CSR8_SIFS_AFTER_RX_OFDM, 3);
602         rt2x00_set_field32(&reg, MAC_CSR8_EIFS, libconf->eifs);
603         rt73usb_register_write(rt2x00dev, MAC_CSR8, reg);
604
605         rt73usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
606         rt2x00_set_field32(&reg, TXRX_CSR0_TSF_OFFSET, IEEE80211_HEADER);
607         rt73usb_register_write(rt2x00dev, TXRX_CSR0, reg);
608
609         rt73usb_register_read(rt2x00dev, TXRX_CSR4, &reg);
610         rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_ENABLE, 1);
611         rt73usb_register_write(rt2x00dev, TXRX_CSR4, reg);
612
613         rt73usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
614         rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_INTERVAL,
615                            libconf->conf->beacon_int * 16);
616         rt73usb_register_write(rt2x00dev, TXRX_CSR9, reg);
617 }
618
619 static void rt73usb_config(struct rt2x00_dev *rt2x00dev,
620                            const unsigned int flags,
621                            struct rt2x00lib_conf *libconf)
622 {
623         if (flags & CONFIG_UPDATE_PHYMODE)
624                 rt73usb_config_phymode(rt2x00dev, libconf->basic_rates);
625         if (flags & CONFIG_UPDATE_CHANNEL)
626                 rt73usb_config_channel(rt2x00dev, &libconf->rf,
627                                        libconf->conf->power_level);
628         if ((flags & CONFIG_UPDATE_TXPOWER) && !(flags & CONFIG_UPDATE_CHANNEL))
629                 rt73usb_config_txpower(rt2x00dev, libconf->conf->power_level);
630         if (flags & CONFIG_UPDATE_ANTENNA)
631                 rt73usb_config_antenna(rt2x00dev, &libconf->ant);
632         if (flags & (CONFIG_UPDATE_SLOT_TIME | CONFIG_UPDATE_BEACON_INT))
633                 rt73usb_config_duration(rt2x00dev, libconf);
634 }
635
636 /*
637  * LED functions.
638  */
639 static void rt73usb_enable_led(struct rt2x00_dev *rt2x00dev)
640 {
641         u32 reg;
642
643         rt73usb_register_read(rt2x00dev, MAC_CSR14, &reg);
644         rt2x00_set_field32(&reg, MAC_CSR14_ON_PERIOD, 70);
645         rt2x00_set_field32(&reg, MAC_CSR14_OFF_PERIOD, 30);
646         rt73usb_register_write(rt2x00dev, MAC_CSR14, reg);
647
648         rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_RADIO_STATUS, 1);
649         rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_LINK_A_STATUS,
650                            (rt2x00dev->rx_status.phymode == MODE_IEEE80211A));
651         rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_LINK_BG_STATUS,
652                            (rt2x00dev->rx_status.phymode != MODE_IEEE80211A));
653
654         rt2x00usb_vendor_request_sw(rt2x00dev, USB_LED_CONTROL, 0x0000,
655                                     rt2x00dev->led_reg, REGISTER_TIMEOUT);
656 }
657
658 static void rt73usb_disable_led(struct rt2x00_dev *rt2x00dev)
659 {
660         rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_RADIO_STATUS, 0);
661         rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_LINK_BG_STATUS, 0);
662         rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_LINK_A_STATUS, 0);
663
664         rt2x00usb_vendor_request_sw(rt2x00dev, USB_LED_CONTROL, 0x0000,
665                                     rt2x00dev->led_reg, REGISTER_TIMEOUT);
666 }
667
668 static void rt73usb_activity_led(struct rt2x00_dev *rt2x00dev, int rssi)
669 {
670         u32 led;
671
672         if (rt2x00dev->led_mode != LED_MODE_SIGNAL_STRENGTH)
673                 return;
674
675         /*
676          * Led handling requires a positive value for the rssi,
677          * to do that correctly we need to add the correction.
678          */
679         rssi += rt2x00dev->rssi_offset;
680
681         if (rssi <= 30)
682                 led = 0;
683         else if (rssi <= 39)
684                 led = 1;
685         else if (rssi <= 49)
686                 led = 2;
687         else if (rssi <= 53)
688                 led = 3;
689         else if (rssi <= 63)
690                 led = 4;
691         else
692                 led = 5;
693
694         rt2x00usb_vendor_request_sw(rt2x00dev, USB_LED_CONTROL, led,
695                                     rt2x00dev->led_reg, REGISTER_TIMEOUT);
696 }
697
698 /*
699  * Link tuning
700  */
701 static void rt73usb_link_stats(struct rt2x00_dev *rt2x00dev,
702                                struct link_qual *qual)
703 {
704         u32 reg;
705
706         /*
707          * Update FCS error count from register.
708          */
709         rt73usb_register_read(rt2x00dev, STA_CSR0, &reg);
710         qual->rx_failed = rt2x00_get_field32(reg, STA_CSR0_FCS_ERROR);
711
712         /*
713          * Update False CCA count from register.
714          */
715         rt73usb_register_read(rt2x00dev, STA_CSR1, &reg);
716         qual->false_cca = rt2x00_get_field32(reg, STA_CSR1_FALSE_CCA_ERROR);
717 }
718
719 static void rt73usb_reset_tuner(struct rt2x00_dev *rt2x00dev)
720 {
721         rt73usb_bbp_write(rt2x00dev, 17, 0x20);
722         rt2x00dev->link.vgc_level = 0x20;
723 }
724
725 static void rt73usb_link_tuner(struct rt2x00_dev *rt2x00dev)
726 {
727         int rssi = rt2x00_get_link_rssi(&rt2x00dev->link);
728         u8 r17;
729         u8 up_bound;
730         u8 low_bound;
731
732         /*
733          * Update Led strength
734          */
735         rt73usb_activity_led(rt2x00dev, rssi);
736
737         rt73usb_bbp_read(rt2x00dev, 17, &r17);
738
739         /*
740          * Determine r17 bounds.
741          */
742         if (rt2x00dev->rx_status.phymode == MODE_IEEE80211A) {
743                 low_bound = 0x28;
744                 up_bound = 0x48;
745
746                 if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags)) {
747                         low_bound += 0x10;
748                         up_bound += 0x10;
749                 }
750         } else {
751                 if (rssi > -82) {
752                         low_bound = 0x1c;
753                         up_bound = 0x40;
754                 } else if (rssi > -84) {
755                         low_bound = 0x1c;
756                         up_bound = 0x20;
757                 } else {
758                         low_bound = 0x1c;
759                         up_bound = 0x1c;
760                 }
761
762                 if (test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags)) {
763                         low_bound += 0x14;
764                         up_bound += 0x10;
765                 }
766         }
767
768         /*
769          * Special big-R17 for very short distance
770          */
771         if (rssi > -35) {
772                 if (r17 != 0x60)
773                         rt73usb_bbp_write(rt2x00dev, 17, 0x60);
774                 return;
775         }
776
777         /*
778          * Special big-R17 for short distance
779          */
780         if (rssi >= -58) {
781                 if (r17 != up_bound)
782                         rt73usb_bbp_write(rt2x00dev, 17, up_bound);
783                 return;
784         }
785
786         /*
787          * Special big-R17 for middle-short distance
788          */
789         if (rssi >= -66) {
790                 low_bound += 0x10;
791                 if (r17 != low_bound)
792                         rt73usb_bbp_write(rt2x00dev, 17, low_bound);
793                 return;
794         }
795
796         /*
797          * Special mid-R17 for middle distance
798          */
799         if (rssi >= -74) {
800                 if (r17 != (low_bound + 0x10))
801                         rt73usb_bbp_write(rt2x00dev, 17, low_bound + 0x08);
802                 return;
803         }
804
805         /*
806          * Special case: Change up_bound based on the rssi.
807          * Lower up_bound when rssi is weaker then -74 dBm.
808          */
809         up_bound -= 2 * (-74 - rssi);
810         if (low_bound > up_bound)
811                 up_bound = low_bound;
812
813         if (r17 > up_bound) {
814                 rt73usb_bbp_write(rt2x00dev, 17, up_bound);
815                 return;
816         }
817
818         /*
819          * r17 does not yet exceed upper limit, continue and base
820          * the r17 tuning on the false CCA count.
821          */
822         if (rt2x00dev->link.qual.false_cca > 512 && r17 < up_bound) {
823                 r17 += 4;
824                 if (r17 > up_bound)
825                         r17 = up_bound;
826                 rt73usb_bbp_write(rt2x00dev, 17, r17);
827         } else if (rt2x00dev->link.qual.false_cca < 100 && r17 > low_bound) {
828                 r17 -= 4;
829                 if (r17 < low_bound)
830                         r17 = low_bound;
831                 rt73usb_bbp_write(rt2x00dev, 17, r17);
832         }
833 }
834
835 /*
836  * Firmware name function.
837  */
838 static char *rt73usb_get_firmware_name(struct rt2x00_dev *rt2x00dev)
839 {
840         return FIRMWARE_RT2571;
841 }
842
843 /*
844  * Initialization functions.
845  */
846 static int rt73usb_load_firmware(struct rt2x00_dev *rt2x00dev, void *data,
847                                  const size_t len)
848 {
849         unsigned int i;
850         int status;
851         u32 reg;
852         char *ptr = data;
853         char *cache;
854         int buflen;
855         int timeout;
856
857         /*
858          * Wait for stable hardware.
859          */
860         for (i = 0; i < 100; i++) {
861                 rt73usb_register_read(rt2x00dev, MAC_CSR0, &reg);
862                 if (reg)
863                         break;
864                 msleep(1);
865         }
866
867         if (!reg) {
868                 ERROR(rt2x00dev, "Unstable hardware.\n");
869                 return -EBUSY;
870         }
871
872         /*
873          * Write firmware to device.
874          * We setup a seperate cache for this action,
875          * since we are going to write larger chunks of data
876          * then normally used cache size.
877          */
878         cache = kmalloc(CSR_CACHE_SIZE_FIRMWARE, GFP_KERNEL);
879         if (!cache) {
880                 ERROR(rt2x00dev, "Failed to allocate firmware cache.\n");
881                 return -ENOMEM;
882         }
883
884         for (i = 0; i < len; i += CSR_CACHE_SIZE_FIRMWARE) {
885                 buflen = min_t(int, len - i, CSR_CACHE_SIZE_FIRMWARE);
886                 timeout = REGISTER_TIMEOUT * (buflen / sizeof(u32));
887
888                 memcpy(cache, ptr, buflen);
889
890                 rt2x00usb_vendor_request(rt2x00dev, USB_MULTI_WRITE,
891                                          USB_VENDOR_REQUEST_OUT,
892                                          FIRMWARE_IMAGE_BASE + i, 0x0000,
893                                          cache, buflen, timeout);
894
895                 ptr += buflen;
896         }
897
898         kfree(cache);
899
900         /*
901          * Send firmware request to device to load firmware,
902          * we need to specify a long timeout time.
903          */
904         status = rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE,
905                                              0x0000, USB_MODE_FIRMWARE,
906                                              REGISTER_TIMEOUT_FIRMWARE);
907         if (status < 0) {
908                 ERROR(rt2x00dev, "Failed to write Firmware to device.\n");
909                 return status;
910         }
911
912         rt73usb_disable_led(rt2x00dev);
913
914         return 0;
915 }
916
917 static int rt73usb_init_registers(struct rt2x00_dev *rt2x00dev)
918 {
919         u32 reg;
920
921         rt73usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
922         rt2x00_set_field32(&reg, TXRX_CSR0_AUTO_TX_SEQ, 1);
923         rt2x00_set_field32(&reg, TXRX_CSR0_DISABLE_RX, 0);
924         rt2x00_set_field32(&reg, TXRX_CSR0_TX_WITHOUT_WAITING, 0);
925         rt73usb_register_write(rt2x00dev, TXRX_CSR0, reg);
926
927         rt73usb_register_read(rt2x00dev, TXRX_CSR1, &reg);
928         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID0, 47); /* CCK Signal */
929         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID0_VALID, 1);
930         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID1, 30); /* Rssi */
931         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID1_VALID, 1);
932         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID2, 42); /* OFDM Rate */
933         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID2_VALID, 1);
934         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID3, 30); /* Rssi */
935         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID3_VALID, 1);
936         rt73usb_register_write(rt2x00dev, TXRX_CSR1, reg);
937
938         /*
939          * CCK TXD BBP registers
940          */
941         rt73usb_register_read(rt2x00dev, TXRX_CSR2, &reg);
942         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID0, 13);
943         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID0_VALID, 1);
944         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID1, 12);
945         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID1_VALID, 1);
946         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID2, 11);
947         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID2_VALID, 1);
948         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID3, 10);
949         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID3_VALID, 1);
950         rt73usb_register_write(rt2x00dev, TXRX_CSR2, reg);
951
952         /*
953          * OFDM TXD BBP registers
954          */
955         rt73usb_register_read(rt2x00dev, TXRX_CSR3, &reg);
956         rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID0, 7);
957         rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID0_VALID, 1);
958         rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID1, 6);
959         rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID1_VALID, 1);
960         rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID2, 5);
961         rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID2_VALID, 1);
962         rt73usb_register_write(rt2x00dev, TXRX_CSR3, reg);
963
964         rt73usb_register_read(rt2x00dev, TXRX_CSR7, &reg);
965         rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_6MBS, 59);
966         rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_9MBS, 53);
967         rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_12MBS, 49);
968         rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_18MBS, 46);
969         rt73usb_register_write(rt2x00dev, TXRX_CSR7, reg);
970
971         rt73usb_register_read(rt2x00dev, TXRX_CSR8, &reg);
972         rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_24MBS, 44);
973         rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_36MBS, 42);
974         rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_48MBS, 42);
975         rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_54MBS, 42);
976         rt73usb_register_write(rt2x00dev, TXRX_CSR8, reg);
977
978         rt73usb_register_write(rt2x00dev, TXRX_CSR15, 0x0000000f);
979
980         rt73usb_register_read(rt2x00dev, MAC_CSR6, &reg);
981         rt2x00_set_field32(&reg, MAC_CSR6_MAX_FRAME_UNIT, 0xfff);
982         rt73usb_register_write(rt2x00dev, MAC_CSR6, reg);
983
984         rt73usb_register_write(rt2x00dev, MAC_CSR10, 0x00000718);
985
986         if (rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_AWAKE))
987                 return -EBUSY;
988
989         rt73usb_register_write(rt2x00dev, MAC_CSR13, 0x00007f00);
990
991         /*
992          * Invalidate all Shared Keys (SEC_CSR0),
993          * and clear the Shared key Cipher algorithms (SEC_CSR1 & SEC_CSR5)
994          */
995         rt73usb_register_write(rt2x00dev, SEC_CSR0, 0x00000000);
996         rt73usb_register_write(rt2x00dev, SEC_CSR1, 0x00000000);
997         rt73usb_register_write(rt2x00dev, SEC_CSR5, 0x00000000);
998
999         reg = 0x000023b0;
1000         if (rt2x00_rf(&rt2x00dev->chip, RF5225) ||
1001             rt2x00_rf(&rt2x00dev->chip, RF2527))
1002                 rt2x00_set_field32(&reg, PHY_CSR1_RF_RPI, 1);
1003         rt73usb_register_write(rt2x00dev, PHY_CSR1, reg);
1004
1005         rt73usb_register_write(rt2x00dev, PHY_CSR5, 0x00040a06);
1006         rt73usb_register_write(rt2x00dev, PHY_CSR6, 0x00080606);
1007         rt73usb_register_write(rt2x00dev, PHY_CSR7, 0x00000408);
1008
1009         rt73usb_register_read(rt2x00dev, AC_TXOP_CSR0, &reg);
1010         rt2x00_set_field32(&reg, AC_TXOP_CSR0_AC0_TX_OP, 0);
1011         rt2x00_set_field32(&reg, AC_TXOP_CSR0_AC1_TX_OP, 0);
1012         rt73usb_register_write(rt2x00dev, AC_TXOP_CSR0, reg);
1013
1014         rt73usb_register_read(rt2x00dev, AC_TXOP_CSR1, &reg);
1015         rt2x00_set_field32(&reg, AC_TXOP_CSR1_AC2_TX_OP, 192);
1016         rt2x00_set_field32(&reg, AC_TXOP_CSR1_AC3_TX_OP, 48);
1017         rt73usb_register_write(rt2x00dev, AC_TXOP_CSR1, reg);
1018
1019         rt73usb_register_read(rt2x00dev, MAC_CSR9, &reg);
1020         rt2x00_set_field32(&reg, MAC_CSR9_CW_SELECT, 0);
1021         rt73usb_register_write(rt2x00dev, MAC_CSR9, reg);
1022
1023         /*
1024          * We must clear the error counters.
1025          * These registers are cleared on read,
1026          * so we may pass a useless variable to store the value.
1027          */
1028         rt73usb_register_read(rt2x00dev, STA_CSR0, &reg);
1029         rt73usb_register_read(rt2x00dev, STA_CSR1, &reg);
1030         rt73usb_register_read(rt2x00dev, STA_CSR2, &reg);
1031
1032         /*
1033          * Reset MAC and BBP registers.
1034          */
1035         rt73usb_register_read(rt2x00dev, MAC_CSR1, &reg);
1036         rt2x00_set_field32(&reg, MAC_CSR1_SOFT_RESET, 1);
1037         rt2x00_set_field32(&reg, MAC_CSR1_BBP_RESET, 1);
1038         rt73usb_register_write(rt2x00dev, MAC_CSR1, reg);
1039
1040         rt73usb_register_read(rt2x00dev, MAC_CSR1, &reg);
1041         rt2x00_set_field32(&reg, MAC_CSR1_SOFT_RESET, 0);
1042         rt2x00_set_field32(&reg, MAC_CSR1_BBP_RESET, 0);
1043         rt73usb_register_write(rt2x00dev, MAC_CSR1, reg);
1044
1045         rt73usb_register_read(rt2x00dev, MAC_CSR1, &reg);
1046         rt2x00_set_field32(&reg, MAC_CSR1_HOST_READY, 1);
1047         rt73usb_register_write(rt2x00dev, MAC_CSR1, reg);
1048
1049         return 0;
1050 }
1051
1052 static int rt73usb_init_bbp(struct rt2x00_dev *rt2x00dev)
1053 {
1054         unsigned int i;
1055         u16 eeprom;
1056         u8 reg_id;
1057         u8 value;
1058
1059         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
1060                 rt73usb_bbp_read(rt2x00dev, 0, &value);
1061                 if ((value != 0xff) && (value != 0x00))
1062                         goto continue_csr_init;
1063                 NOTICE(rt2x00dev, "Waiting for BBP register.\n");
1064                 udelay(REGISTER_BUSY_DELAY);
1065         }
1066
1067         ERROR(rt2x00dev, "BBP register access failed, aborting.\n");
1068         return -EACCES;
1069
1070 continue_csr_init:
1071         rt73usb_bbp_write(rt2x00dev, 3, 0x80);
1072         rt73usb_bbp_write(rt2x00dev, 15, 0x30);
1073         rt73usb_bbp_write(rt2x00dev, 21, 0xc8);
1074         rt73usb_bbp_write(rt2x00dev, 22, 0x38);
1075         rt73usb_bbp_write(rt2x00dev, 23, 0x06);
1076         rt73usb_bbp_write(rt2x00dev, 24, 0xfe);
1077         rt73usb_bbp_write(rt2x00dev, 25, 0x0a);
1078         rt73usb_bbp_write(rt2x00dev, 26, 0x0d);
1079         rt73usb_bbp_write(rt2x00dev, 32, 0x0b);
1080         rt73usb_bbp_write(rt2x00dev, 34, 0x12);
1081         rt73usb_bbp_write(rt2x00dev, 37, 0x07);
1082         rt73usb_bbp_write(rt2x00dev, 39, 0xf8);
1083         rt73usb_bbp_write(rt2x00dev, 41, 0x60);
1084         rt73usb_bbp_write(rt2x00dev, 53, 0x10);
1085         rt73usb_bbp_write(rt2x00dev, 54, 0x18);
1086         rt73usb_bbp_write(rt2x00dev, 60, 0x10);
1087         rt73usb_bbp_write(rt2x00dev, 61, 0x04);
1088         rt73usb_bbp_write(rt2x00dev, 62, 0x04);
1089         rt73usb_bbp_write(rt2x00dev, 75, 0xfe);
1090         rt73usb_bbp_write(rt2x00dev, 86, 0xfe);
1091         rt73usb_bbp_write(rt2x00dev, 88, 0xfe);
1092         rt73usb_bbp_write(rt2x00dev, 90, 0x0f);
1093         rt73usb_bbp_write(rt2x00dev, 99, 0x00);
1094         rt73usb_bbp_write(rt2x00dev, 102, 0x16);
1095         rt73usb_bbp_write(rt2x00dev, 107, 0x04);
1096
1097         DEBUG(rt2x00dev, "Start initialization from EEPROM...\n");
1098         for (i = 0; i < EEPROM_BBP_SIZE; i++) {
1099                 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
1100
1101                 if (eeprom != 0xffff && eeprom != 0x0000) {
1102                         reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
1103                         value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
1104                         DEBUG(rt2x00dev, "BBP: 0x%02x, value: 0x%02x.\n",
1105                               reg_id, value);
1106                         rt73usb_bbp_write(rt2x00dev, reg_id, value);
1107                 }
1108         }
1109         DEBUG(rt2x00dev, "...End initialization from EEPROM.\n");
1110
1111         return 0;
1112 }
1113
1114 /*
1115  * Device state switch handlers.
1116  */
1117 static void rt73usb_toggle_rx(struct rt2x00_dev *rt2x00dev,
1118                               enum dev_state state)
1119 {
1120         u32 reg;
1121
1122         rt73usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
1123         rt2x00_set_field32(&reg, TXRX_CSR0_DISABLE_RX,
1124                            state == STATE_RADIO_RX_OFF);
1125         rt73usb_register_write(rt2x00dev, TXRX_CSR0, reg);
1126 }
1127
1128 static int rt73usb_enable_radio(struct rt2x00_dev *rt2x00dev)
1129 {
1130         /*
1131          * Initialize all registers.
1132          */
1133         if (rt73usb_init_registers(rt2x00dev) ||
1134             rt73usb_init_bbp(rt2x00dev)) {
1135                 ERROR(rt2x00dev, "Register initialization failed.\n");
1136                 return -EIO;
1137         }
1138
1139         /*
1140          * Enable LED
1141          */
1142         rt73usb_enable_led(rt2x00dev);
1143
1144         return 0;
1145 }
1146
1147 static void rt73usb_disable_radio(struct rt2x00_dev *rt2x00dev)
1148 {
1149         /*
1150          * Disable LED
1151          */
1152         rt73usb_disable_led(rt2x00dev);
1153
1154         rt73usb_register_write(rt2x00dev, MAC_CSR10, 0x00001818);
1155
1156         /*
1157          * Disable synchronisation.
1158          */
1159         rt73usb_register_write(rt2x00dev, TXRX_CSR9, 0);
1160
1161         rt2x00usb_disable_radio(rt2x00dev);
1162 }
1163
1164 static int rt73usb_set_state(struct rt2x00_dev *rt2x00dev, enum dev_state state)
1165 {
1166         u32 reg;
1167         unsigned int i;
1168         char put_to_sleep;
1169         char current_state;
1170
1171         put_to_sleep = (state != STATE_AWAKE);
1172
1173         rt73usb_register_read(rt2x00dev, MAC_CSR12, &reg);
1174         rt2x00_set_field32(&reg, MAC_CSR12_FORCE_WAKEUP, !put_to_sleep);
1175         rt2x00_set_field32(&reg, MAC_CSR12_PUT_TO_SLEEP, put_to_sleep);
1176         rt73usb_register_write(rt2x00dev, MAC_CSR12, reg);
1177
1178         /*
1179          * Device is not guaranteed to be in the requested state yet.
1180          * We must wait until the register indicates that the
1181          * device has entered the correct state.
1182          */
1183         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
1184                 rt73usb_register_read(rt2x00dev, MAC_CSR12, &reg);
1185                 current_state =
1186                     rt2x00_get_field32(reg, MAC_CSR12_BBP_CURRENT_STATE);
1187                 if (current_state == !put_to_sleep)
1188                         return 0;
1189                 msleep(10);
1190         }
1191
1192         NOTICE(rt2x00dev, "Device failed to enter state %d, "
1193                "current device state %d.\n", !put_to_sleep, current_state);
1194
1195         return -EBUSY;
1196 }
1197
1198 static int rt73usb_set_device_state(struct rt2x00_dev *rt2x00dev,
1199                                     enum dev_state state)
1200 {
1201         int retval = 0;
1202
1203         switch (state) {
1204         case STATE_RADIO_ON:
1205                 retval = rt73usb_enable_radio(rt2x00dev);
1206                 break;
1207         case STATE_RADIO_OFF:
1208                 rt73usb_disable_radio(rt2x00dev);
1209                 break;
1210         case STATE_RADIO_RX_ON:
1211         case STATE_RADIO_RX_OFF:
1212                 rt73usb_toggle_rx(rt2x00dev, state);
1213                 break;
1214         case STATE_DEEP_SLEEP:
1215         case STATE_SLEEP:
1216         case STATE_STANDBY:
1217         case STATE_AWAKE:
1218                 retval = rt73usb_set_state(rt2x00dev, state);
1219                 break;
1220         default:
1221                 retval = -ENOTSUPP;
1222                 break;
1223         }
1224
1225         return retval;
1226 }
1227
1228 /*
1229  * TX descriptor initialization
1230  */
1231 static void rt73usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
1232                                     struct sk_buff *skb,
1233                                     struct txdata_entry_desc *desc,
1234                                     struct ieee80211_tx_control *control)
1235 {
1236         struct skb_desc *skbdesc = get_skb_desc(skb);
1237         __le32 *txd = skbdesc->desc;
1238         u32 word;
1239
1240         /*
1241          * Start writing the descriptor words.
1242          */
1243         rt2x00_desc_read(txd, 1, &word);
1244         rt2x00_set_field32(&word, TXD_W1_HOST_Q_ID, desc->queue);
1245         rt2x00_set_field32(&word, TXD_W1_AIFSN, desc->aifs);
1246         rt2x00_set_field32(&word, TXD_W1_CWMIN, desc->cw_min);
1247         rt2x00_set_field32(&word, TXD_W1_CWMAX, desc->cw_max);
1248         rt2x00_set_field32(&word, TXD_W1_IV_OFFSET, IEEE80211_HEADER);
1249         rt2x00_set_field32(&word, TXD_W1_HW_SEQUENCE, 1);
1250         rt2x00_desc_write(txd, 1, word);
1251
1252         rt2x00_desc_read(txd, 2, &word);
1253         rt2x00_set_field32(&word, TXD_W2_PLCP_SIGNAL, desc->signal);
1254         rt2x00_set_field32(&word, TXD_W2_PLCP_SERVICE, desc->service);
1255         rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_LOW, desc->length_low);
1256         rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_HIGH, desc->length_high);
1257         rt2x00_desc_write(txd, 2, word);
1258
1259         rt2x00_desc_read(txd, 5, &word);
1260         rt2x00_set_field32(&word, TXD_W5_TX_POWER,
1261                            TXPOWER_TO_DEV(control->power_level));
1262         rt2x00_set_field32(&word, TXD_W5_WAITING_DMA_DONE_INT, 1);
1263         rt2x00_desc_write(txd, 5, word);
1264
1265         rt2x00_desc_read(txd, 0, &word);
1266         rt2x00_set_field32(&word, TXD_W0_BURST,
1267                            test_bit(ENTRY_TXD_BURST, &desc->flags));
1268         rt2x00_set_field32(&word, TXD_W0_VALID, 1);
1269         rt2x00_set_field32(&word, TXD_W0_MORE_FRAG,
1270                            test_bit(ENTRY_TXD_MORE_FRAG, &desc->flags));
1271         rt2x00_set_field32(&word, TXD_W0_ACK,
1272                            test_bit(ENTRY_TXD_ACK, &desc->flags));
1273         rt2x00_set_field32(&word, TXD_W0_TIMESTAMP,
1274                            test_bit(ENTRY_TXD_REQ_TIMESTAMP, &desc->flags));
1275         rt2x00_set_field32(&word, TXD_W0_OFDM,
1276                            test_bit(ENTRY_TXD_OFDM_RATE, &desc->flags));
1277         rt2x00_set_field32(&word, TXD_W0_IFS, desc->ifs);
1278         rt2x00_set_field32(&word, TXD_W0_RETRY_MODE,
1279                            !!(control->flags &
1280                               IEEE80211_TXCTL_LONG_RETRY_LIMIT));
1281         rt2x00_set_field32(&word, TXD_W0_TKIP_MIC, 0);
1282         rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, skbdesc->data_len);
1283         rt2x00_set_field32(&word, TXD_W0_BURST2,
1284                            test_bit(ENTRY_TXD_BURST, &desc->flags));
1285         rt2x00_set_field32(&word, TXD_W0_CIPHER_ALG, CIPHER_NONE);
1286         rt2x00_desc_write(txd, 0, word);
1287 }
1288
1289 static int rt73usb_get_tx_data_len(struct rt2x00_dev *rt2x00dev,
1290                                    struct sk_buff *skb)
1291 {
1292         int length;
1293
1294         /*
1295          * The length _must_ be a multiple of 4,
1296          * but it must _not_ be a multiple of the USB packet size.
1297          */
1298         length = roundup(skb->len, 4);
1299         length += (4 * !(length % rt2x00dev->usb_maxpacket));
1300
1301         return length;
1302 }
1303
1304 /*
1305  * TX data initialization
1306  */
1307 static void rt73usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
1308                                   unsigned int queue)
1309 {
1310         u32 reg;
1311
1312         if (queue != IEEE80211_TX_QUEUE_BEACON)
1313                 return;
1314
1315         /*
1316          * For Wi-Fi faily generated beacons between participating stations.
1317          * Set TBTT phase adaptive adjustment step to 8us (default 16us)
1318          */
1319         rt73usb_register_write(rt2x00dev, TXRX_CSR10, 0x00001008);
1320
1321         rt73usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
1322         if (!rt2x00_get_field32(reg, TXRX_CSR9_BEACON_GEN)) {
1323                 rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 1);
1324                 rt73usb_register_write(rt2x00dev, TXRX_CSR9, reg);
1325         }
1326 }
1327
1328 /*
1329  * RX control handlers
1330  */
1331 static int rt73usb_agc_to_rssi(struct rt2x00_dev *rt2x00dev, int rxd_w1)
1332 {
1333         u16 eeprom;
1334         u8 offset;
1335         u8 lna;
1336
1337         lna = rt2x00_get_field32(rxd_w1, RXD_W1_RSSI_LNA);
1338         switch (lna) {
1339         case 3:
1340                 offset = 90;
1341                 break;
1342         case 2:
1343                 offset = 74;
1344                 break;
1345         case 1:
1346                 offset = 64;
1347                 break;
1348         default:
1349                 return 0;
1350         }
1351
1352         if (rt2x00dev->rx_status.phymode == MODE_IEEE80211A) {
1353                 if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags)) {
1354                         if (lna == 3 || lna == 2)
1355                                 offset += 10;
1356                 } else {
1357                         if (lna == 3)
1358                                 offset += 6;
1359                         else if (lna == 2)
1360                                 offset += 8;
1361                 }
1362
1363                 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_A, &eeprom);
1364                 offset -= rt2x00_get_field16(eeprom, EEPROM_RSSI_OFFSET_A_1);
1365         } else {
1366                 if (test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags))
1367                         offset += 14;
1368
1369                 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_BG, &eeprom);
1370                 offset -= rt2x00_get_field16(eeprom, EEPROM_RSSI_OFFSET_BG_1);
1371         }
1372
1373         return rt2x00_get_field32(rxd_w1, RXD_W1_RSSI_AGC) * 2 - offset;
1374 }
1375
1376 static void rt73usb_fill_rxdone(struct data_entry *entry,
1377                                 struct rxdata_entry_desc *desc)
1378 {
1379         struct skb_desc *skbdesc = get_skb_desc(entry->skb);
1380         __le32 *rxd = (__le32 *)entry->skb->data;
1381         u32 word0;
1382         u32 word1;
1383
1384         rt2x00_desc_read(rxd, 0, &word0);
1385         rt2x00_desc_read(rxd, 1, &word1);
1386
1387         desc->flags = 0;
1388         if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR))
1389                 desc->flags |= RX_FLAG_FAILED_FCS_CRC;
1390
1391         /*
1392          * Obtain the status about this packet.
1393          */
1394         desc->signal = rt2x00_get_field32(word1, RXD_W1_SIGNAL);
1395         desc->rssi = rt73usb_agc_to_rssi(entry->ring->rt2x00dev, word1);
1396         desc->ofdm = rt2x00_get_field32(word0, RXD_W0_OFDM);
1397         desc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT);
1398         desc->my_bss = !!rt2x00_get_field32(word0, RXD_W0_MY_BSS);
1399
1400         /*
1401          * Set descriptor and data pointer.
1402          */
1403         skbdesc->desc = entry->skb->data;
1404         skbdesc->desc_len = entry->ring->desc_size;
1405         skbdesc->data = entry->skb->data + entry->ring->desc_size;
1406         skbdesc->data_len = desc->size;
1407 }
1408
1409 /*
1410  * Device probe functions.
1411  */
1412 static int rt73usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
1413 {
1414         u16 word;
1415         u8 *mac;
1416         s8 value;
1417
1418         rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom, EEPROM_SIZE);
1419
1420         /*
1421          * Start validation of the data that has been read.
1422          */
1423         mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
1424         if (!is_valid_ether_addr(mac)) {
1425                 DECLARE_MAC_BUF(macbuf);
1426
1427                 random_ether_addr(mac);
1428                 EEPROM(rt2x00dev, "MAC: %s\n", print_mac(macbuf, mac));
1429         }
1430
1431         rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
1432         if (word == 0xffff) {
1433                 rt2x00_set_field16(&word, EEPROM_ANTENNA_NUM, 2);
1434                 rt2x00_set_field16(&word, EEPROM_ANTENNA_TX_DEFAULT,
1435                                    ANTENNA_B);
1436                 rt2x00_set_field16(&word, EEPROM_ANTENNA_RX_DEFAULT,
1437                                    ANTENNA_B);
1438                 rt2x00_set_field16(&word, EEPROM_ANTENNA_FRAME_TYPE, 0);
1439                 rt2x00_set_field16(&word, EEPROM_ANTENNA_DYN_TXAGC, 0);
1440                 rt2x00_set_field16(&word, EEPROM_ANTENNA_HARDWARE_RADIO, 0);
1441                 rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF5226);
1442                 rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
1443                 EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word);
1444         }
1445
1446         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word);
1447         if (word == 0xffff) {
1448                 rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA, 0);
1449                 rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word);
1450                 EEPROM(rt2x00dev, "NIC: 0x%04x\n", word);
1451         }
1452
1453         rt2x00_eeprom_read(rt2x00dev, EEPROM_LED, &word);
1454         if (word == 0xffff) {
1455                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_RDY_G, 0);
1456                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_RDY_A, 0);
1457                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_ACT, 0);
1458                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_0, 0);
1459                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_1, 0);
1460                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_2, 0);
1461                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_3, 0);
1462                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_4, 0);
1463                 rt2x00_set_field16(&word, EEPROM_LED_LED_MODE,
1464                                    LED_MODE_DEFAULT);
1465                 rt2x00_eeprom_write(rt2x00dev, EEPROM_LED, word);
1466                 EEPROM(rt2x00dev, "Led: 0x%04x\n", word);
1467         }
1468
1469         rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &word);
1470         if (word == 0xffff) {
1471                 rt2x00_set_field16(&word, EEPROM_FREQ_OFFSET, 0);
1472                 rt2x00_set_field16(&word, EEPROM_FREQ_SEQ, 0);
1473                 rt2x00_eeprom_write(rt2x00dev, EEPROM_FREQ, word);
1474                 EEPROM(rt2x00dev, "Freq: 0x%04x\n", word);
1475         }
1476
1477         rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_BG, &word);
1478         if (word == 0xffff) {
1479                 rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_1, 0);
1480                 rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_2, 0);
1481                 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_BG, word);
1482                 EEPROM(rt2x00dev, "RSSI OFFSET BG: 0x%04x\n", word);
1483         } else {
1484                 value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_BG_1);
1485                 if (value < -10 || value > 10)
1486                         rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_1, 0);
1487                 value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_BG_2);
1488                 if (value < -10 || value > 10)
1489                         rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_2, 0);
1490                 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_BG, word);
1491         }
1492
1493         rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_A, &word);
1494         if (word == 0xffff) {
1495                 rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_1, 0);
1496                 rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_2, 0);
1497                 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_A, word);
1498                 EEPROM(rt2x00dev, "RSSI OFFSET BG: 0x%04x\n", word);
1499         } else {
1500                 value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_A_1);
1501                 if (value < -10 || value > 10)
1502                         rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_1, 0);
1503                 value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_A_2);
1504                 if (value < -10 || value > 10)
1505                         rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_2, 0);
1506                 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_A, word);
1507         }
1508
1509         return 0;
1510 }
1511
1512 static int rt73usb_init_eeprom(struct rt2x00_dev *rt2x00dev)
1513 {
1514         u32 reg;
1515         u16 value;
1516         u16 eeprom;
1517
1518         /*
1519          * Read EEPROM word for configuration.
1520          */
1521         rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
1522
1523         /*
1524          * Identify RF chipset.
1525          */
1526         value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
1527         rt73usb_register_read(rt2x00dev, MAC_CSR0, &reg);
1528         rt2x00_set_chip(rt2x00dev, RT2571, value, reg);
1529
1530         if (!rt2x00_check_rev(&rt2x00dev->chip, 0x25730)) {
1531                 ERROR(rt2x00dev, "Invalid RT chipset detected.\n");
1532                 return -ENODEV;
1533         }
1534
1535         if (!rt2x00_rf(&rt2x00dev->chip, RF5226) &&
1536             !rt2x00_rf(&rt2x00dev->chip, RF2528) &&
1537             !rt2x00_rf(&rt2x00dev->chip, RF5225) &&
1538             !rt2x00_rf(&rt2x00dev->chip, RF2527)) {
1539                 ERROR(rt2x00dev, "Invalid RF chipset detected.\n");
1540                 return -ENODEV;
1541         }
1542
1543         /*
1544          * Identify default antenna configuration.
1545          */
1546         rt2x00dev->default_ant.tx =
1547             rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TX_DEFAULT);
1548         rt2x00dev->default_ant.rx =
1549             rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_DEFAULT);
1550
1551         /*
1552          * Read the Frame type.
1553          */
1554         if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_FRAME_TYPE))
1555                 __set_bit(CONFIG_FRAME_TYPE, &rt2x00dev->flags);
1556
1557         /*
1558          * Read frequency offset.
1559          */
1560         rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom);
1561         rt2x00dev->freq_offset = rt2x00_get_field16(eeprom, EEPROM_FREQ_OFFSET);
1562
1563         /*
1564          * Read external LNA informations.
1565          */
1566         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom);
1567
1568         if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA)) {
1569                 __set_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags);
1570                 __set_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags);
1571         }
1572
1573         /*
1574          * Store led settings, for correct led behaviour.
1575          */
1576         rt2x00_eeprom_read(rt2x00dev, EEPROM_LED, &eeprom);
1577
1578         rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_LED_MODE,
1579                            rt2x00dev->led_mode);
1580         rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_GPIO_0,
1581                            rt2x00_get_field16(eeprom,
1582                                               EEPROM_LED_POLARITY_GPIO_0));
1583         rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_GPIO_1,
1584                            rt2x00_get_field16(eeprom,
1585                                               EEPROM_LED_POLARITY_GPIO_1));
1586         rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_GPIO_2,
1587                            rt2x00_get_field16(eeprom,
1588                                               EEPROM_LED_POLARITY_GPIO_2));
1589         rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_GPIO_3,
1590                            rt2x00_get_field16(eeprom,
1591                                               EEPROM_LED_POLARITY_GPIO_3));
1592         rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_GPIO_4,
1593                            rt2x00_get_field16(eeprom,
1594                                               EEPROM_LED_POLARITY_GPIO_4));
1595         rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_ACT,
1596                            rt2x00_get_field16(eeprom, EEPROM_LED_POLARITY_ACT));
1597         rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_READY_BG,
1598                            rt2x00_get_field16(eeprom,
1599                                               EEPROM_LED_POLARITY_RDY_G));
1600         rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_READY_A,
1601                            rt2x00_get_field16(eeprom,
1602                                               EEPROM_LED_POLARITY_RDY_A));
1603
1604         return 0;
1605 }
1606
1607 /*
1608  * RF value list for RF2528
1609  * Supports: 2.4 GHz
1610  */
1611 static const struct rf_channel rf_vals_bg_2528[] = {
1612         { 1,  0x00002c0c, 0x00000786, 0x00068255, 0x000fea0b },
1613         { 2,  0x00002c0c, 0x00000786, 0x00068255, 0x000fea1f },
1614         { 3,  0x00002c0c, 0x0000078a, 0x00068255, 0x000fea0b },
1615         { 4,  0x00002c0c, 0x0000078a, 0x00068255, 0x000fea1f },
1616         { 5,  0x00002c0c, 0x0000078e, 0x00068255, 0x000fea0b },
1617         { 6,  0x00002c0c, 0x0000078e, 0x00068255, 0x000fea1f },
1618         { 7,  0x00002c0c, 0x00000792, 0x00068255, 0x000fea0b },
1619         { 8,  0x00002c0c, 0x00000792, 0x00068255, 0x000fea1f },
1620         { 9,  0x00002c0c, 0x00000796, 0x00068255, 0x000fea0b },
1621         { 10, 0x00002c0c, 0x00000796, 0x00068255, 0x000fea1f },
1622         { 11, 0x00002c0c, 0x0000079a, 0x00068255, 0x000fea0b },
1623         { 12, 0x00002c0c, 0x0000079a, 0x00068255, 0x000fea1f },
1624         { 13, 0x00002c0c, 0x0000079e, 0x00068255, 0x000fea0b },
1625         { 14, 0x00002c0c, 0x000007a2, 0x00068255, 0x000fea13 },
1626 };
1627
1628 /*
1629  * RF value list for RF5226
1630  * Supports: 2.4 GHz & 5.2 GHz
1631  */
1632 static const struct rf_channel rf_vals_5226[] = {
1633         { 1,  0x00002c0c, 0x00000786, 0x00068255, 0x000fea0b },
1634         { 2,  0x00002c0c, 0x00000786, 0x00068255, 0x000fea1f },
1635         { 3,  0x00002c0c, 0x0000078a, 0x00068255, 0x000fea0b },
1636         { 4,  0x00002c0c, 0x0000078a, 0x00068255, 0x000fea1f },
1637         { 5,  0x00002c0c, 0x0000078e, 0x00068255, 0x000fea0b },
1638         { 6,  0x00002c0c, 0x0000078e, 0x00068255, 0x000fea1f },
1639         { 7,  0x00002c0c, 0x00000792, 0x00068255, 0x000fea0b },
1640         { 8,  0x00002c0c, 0x00000792, 0x00068255, 0x000fea1f },
1641         { 9,  0x00002c0c, 0x00000796, 0x00068255, 0x000fea0b },
1642         { 10, 0x00002c0c, 0x00000796, 0x00068255, 0x000fea1f },
1643         { 11, 0x00002c0c, 0x0000079a, 0x00068255, 0x000fea0b },
1644         { 12, 0x00002c0c, 0x0000079a, 0x00068255, 0x000fea1f },
1645         { 13, 0x00002c0c, 0x0000079e, 0x00068255, 0x000fea0b },
1646         { 14, 0x00002c0c, 0x000007a2, 0x00068255, 0x000fea13 },
1647
1648         /* 802.11 UNI / HyperLan 2 */
1649         { 36, 0x00002c0c, 0x0000099a, 0x00098255, 0x000fea23 },
1650         { 40, 0x00002c0c, 0x000009a2, 0x00098255, 0x000fea03 },
1651         { 44, 0x00002c0c, 0x000009a6, 0x00098255, 0x000fea0b },
1652         { 48, 0x00002c0c, 0x000009aa, 0x00098255, 0x000fea13 },
1653         { 52, 0x00002c0c, 0x000009ae, 0x00098255, 0x000fea1b },
1654         { 56, 0x00002c0c, 0x000009b2, 0x00098255, 0x000fea23 },
1655         { 60, 0x00002c0c, 0x000009ba, 0x00098255, 0x000fea03 },
1656         { 64, 0x00002c0c, 0x000009be, 0x00098255, 0x000fea0b },
1657
1658         /* 802.11 HyperLan 2 */
1659         { 100, 0x00002c0c, 0x00000a2a, 0x000b8255, 0x000fea03 },
1660         { 104, 0x00002c0c, 0x00000a2e, 0x000b8255, 0x000fea0b },
1661         { 108, 0x00002c0c, 0x00000a32, 0x000b8255, 0x000fea13 },
1662         { 112, 0x00002c0c, 0x00000a36, 0x000b8255, 0x000fea1b },
1663         { 116, 0x00002c0c, 0x00000a3a, 0x000b8255, 0x000fea23 },
1664         { 120, 0x00002c0c, 0x00000a82, 0x000b8255, 0x000fea03 },
1665         { 124, 0x00002c0c, 0x00000a86, 0x000b8255, 0x000fea0b },
1666         { 128, 0x00002c0c, 0x00000a8a, 0x000b8255, 0x000fea13 },
1667         { 132, 0x00002c0c, 0x00000a8e, 0x000b8255, 0x000fea1b },
1668         { 136, 0x00002c0c, 0x00000a92, 0x000b8255, 0x000fea23 },
1669
1670         /* 802.11 UNII */
1671         { 140, 0x00002c0c, 0x00000a9a, 0x000b8255, 0x000fea03 },
1672         { 149, 0x00002c0c, 0x00000aa2, 0x000b8255, 0x000fea1f },
1673         { 153, 0x00002c0c, 0x00000aa6, 0x000b8255, 0x000fea27 },
1674         { 157, 0x00002c0c, 0x00000aae, 0x000b8255, 0x000fea07 },
1675         { 161, 0x00002c0c, 0x00000ab2, 0x000b8255, 0x000fea0f },
1676         { 165, 0x00002c0c, 0x00000ab6, 0x000b8255, 0x000fea17 },
1677
1678         /* MMAC(Japan)J52 ch 34,38,42,46 */
1679         { 34, 0x00002c0c, 0x0008099a, 0x000da255, 0x000d3a0b },
1680         { 38, 0x00002c0c, 0x0008099e, 0x000da255, 0x000d3a13 },
1681         { 42, 0x00002c0c, 0x000809a2, 0x000da255, 0x000d3a1b },
1682         { 46, 0x00002c0c, 0x000809a6, 0x000da255, 0x000d3a23 },
1683 };
1684
1685 /*
1686  * RF value list for RF5225 & RF2527
1687  * Supports: 2.4 GHz & 5.2 GHz
1688  */
1689 static const struct rf_channel rf_vals_5225_2527[] = {
1690         { 1,  0x00002ccc, 0x00004786, 0x00068455, 0x000ffa0b },
1691         { 2,  0x00002ccc, 0x00004786, 0x00068455, 0x000ffa1f },
1692         { 3,  0x00002ccc, 0x0000478a, 0x00068455, 0x000ffa0b },
1693         { 4,  0x00002ccc, 0x0000478a, 0x00068455, 0x000ffa1f },
1694         { 5,  0x00002ccc, 0x0000478e, 0x00068455, 0x000ffa0b },
1695         { 6,  0x00002ccc, 0x0000478e, 0x00068455, 0x000ffa1f },
1696         { 7,  0x00002ccc, 0x00004792, 0x00068455, 0x000ffa0b },
1697         { 8,  0x00002ccc, 0x00004792, 0x00068455, 0x000ffa1f },
1698         { 9,  0x00002ccc, 0x00004796, 0x00068455, 0x000ffa0b },
1699         { 10, 0x00002ccc, 0x00004796, 0x00068455, 0x000ffa1f },
1700         { 11, 0x00002ccc, 0x0000479a, 0x00068455, 0x000ffa0b },
1701         { 12, 0x00002ccc, 0x0000479a, 0x00068455, 0x000ffa1f },
1702         { 13, 0x00002ccc, 0x0000479e, 0x00068455, 0x000ffa0b },
1703         { 14, 0x00002ccc, 0x000047a2, 0x00068455, 0x000ffa13 },
1704
1705         /* 802.11 UNI / HyperLan 2 */
1706         { 36, 0x00002ccc, 0x0000499a, 0x0009be55, 0x000ffa23 },
1707         { 40, 0x00002ccc, 0x000049a2, 0x0009be55, 0x000ffa03 },
1708         { 44, 0x00002ccc, 0x000049a6, 0x0009be55, 0x000ffa0b },
1709         { 48, 0x00002ccc, 0x000049aa, 0x0009be55, 0x000ffa13 },
1710         { 52, 0x00002ccc, 0x000049ae, 0x0009ae55, 0x000ffa1b },
1711         { 56, 0x00002ccc, 0x000049b2, 0x0009ae55, 0x000ffa23 },
1712         { 60, 0x00002ccc, 0x000049ba, 0x0009ae55, 0x000ffa03 },
1713         { 64, 0x00002ccc, 0x000049be, 0x0009ae55, 0x000ffa0b },
1714
1715         /* 802.11 HyperLan 2 */
1716         { 100, 0x00002ccc, 0x00004a2a, 0x000bae55, 0x000ffa03 },
1717         { 104, 0x00002ccc, 0x00004a2e, 0x000bae55, 0x000ffa0b },
1718         { 108, 0x00002ccc, 0x00004a32, 0x000bae55, 0x000ffa13 },
1719         { 112, 0x00002ccc, 0x00004a36, 0x000bae55, 0x000ffa1b },
1720         { 116, 0x00002ccc, 0x00004a3a, 0x000bbe55, 0x000ffa23 },
1721         { 120, 0x00002ccc, 0x00004a82, 0x000bbe55, 0x000ffa03 },
1722         { 124, 0x00002ccc, 0x00004a86, 0x000bbe55, 0x000ffa0b },
1723         { 128, 0x00002ccc, 0x00004a8a, 0x000bbe55, 0x000ffa13 },
1724         { 132, 0x00002ccc, 0x00004a8e, 0x000bbe55, 0x000ffa1b },
1725         { 136, 0x00002ccc, 0x00004a92, 0x000bbe55, 0x000ffa23 },
1726
1727         /* 802.11 UNII */
1728         { 140, 0x00002ccc, 0x00004a9a, 0x000bbe55, 0x000ffa03 },
1729         { 149, 0x00002ccc, 0x00004aa2, 0x000bbe55, 0x000ffa1f },
1730         { 153, 0x00002ccc, 0x00004aa6, 0x000bbe55, 0x000ffa27 },
1731         { 157, 0x00002ccc, 0x00004aae, 0x000bbe55, 0x000ffa07 },
1732         { 161, 0x00002ccc, 0x00004ab2, 0x000bbe55, 0x000ffa0f },
1733         { 165, 0x00002ccc, 0x00004ab6, 0x000bbe55, 0x000ffa17 },
1734
1735         /* MMAC(Japan)J52 ch 34,38,42,46 */
1736         { 34, 0x00002ccc, 0x0000499a, 0x0009be55, 0x000ffa0b },
1737         { 38, 0x00002ccc, 0x0000499e, 0x0009be55, 0x000ffa13 },
1738         { 42, 0x00002ccc, 0x000049a2, 0x0009be55, 0x000ffa1b },
1739         { 46, 0x00002ccc, 0x000049a6, 0x0009be55, 0x000ffa23 },
1740 };
1741
1742
1743 static void rt73usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
1744 {
1745         struct hw_mode_spec *spec = &rt2x00dev->spec;
1746         u8 *txpower;
1747         unsigned int i;
1748
1749         /*
1750          * Initialize all hw fields.
1751          */
1752         rt2x00dev->hw->flags =
1753             IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE |
1754             IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING;
1755         rt2x00dev->hw->extra_tx_headroom = TXD_DESC_SIZE;
1756         rt2x00dev->hw->max_signal = MAX_SIGNAL;
1757         rt2x00dev->hw->max_rssi = MAX_RX_SSI;
1758         rt2x00dev->hw->queues = 5;
1759
1760         SET_IEEE80211_DEV(rt2x00dev->hw, &rt2x00dev_usb(rt2x00dev)->dev);
1761         SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
1762                                 rt2x00_eeprom_addr(rt2x00dev,
1763                                                    EEPROM_MAC_ADDR_0));
1764
1765         /*
1766          * Convert tx_power array in eeprom.
1767          */
1768         txpower = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_G_START);
1769         for (i = 0; i < 14; i++)
1770                 txpower[i] = TXPOWER_FROM_DEV(txpower[i]);
1771
1772         /*
1773          * Initialize hw_mode information.
1774          */
1775         spec->num_modes = 2;
1776         spec->num_rates = 12;
1777         spec->tx_power_a = NULL;
1778         spec->tx_power_bg = txpower;
1779         spec->tx_power_default = DEFAULT_TXPOWER;
1780
1781         if (rt2x00_rf(&rt2x00dev->chip, RF2528)) {
1782                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2528);
1783                 spec->channels = rf_vals_bg_2528;
1784         } else if (rt2x00_rf(&rt2x00dev->chip, RF5226)) {
1785                 spec->num_channels = ARRAY_SIZE(rf_vals_5226);
1786                 spec->channels = rf_vals_5226;
1787         } else if (rt2x00_rf(&rt2x00dev->chip, RF2527)) {
1788                 spec->num_channels = 14;
1789                 spec->channels = rf_vals_5225_2527;
1790         } else if (rt2x00_rf(&rt2x00dev->chip, RF5225)) {
1791                 spec->num_channels = ARRAY_SIZE(rf_vals_5225_2527);
1792                 spec->channels = rf_vals_5225_2527;
1793         }
1794
1795         if (rt2x00_rf(&rt2x00dev->chip, RF5225) ||
1796             rt2x00_rf(&rt2x00dev->chip, RF5226)) {
1797                 spec->num_modes = 3;
1798
1799                 txpower = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A_START);
1800                 for (i = 0; i < 14; i++)
1801                         txpower[i] = TXPOWER_FROM_DEV(txpower[i]);
1802
1803                 spec->tx_power_a = txpower;
1804         }
1805 }
1806
1807 static int rt73usb_probe_hw(struct rt2x00_dev *rt2x00dev)
1808 {
1809         int retval;
1810
1811         /*
1812          * Allocate eeprom data.
1813          */
1814         retval = rt73usb_validate_eeprom(rt2x00dev);
1815         if (retval)
1816                 return retval;
1817
1818         retval = rt73usb_init_eeprom(rt2x00dev);
1819         if (retval)
1820                 return retval;
1821
1822         /*
1823          * Initialize hw specifications.
1824          */
1825         rt73usb_probe_hw_mode(rt2x00dev);
1826
1827         /*
1828          * This device requires firmware
1829          */
1830         __set_bit(DRIVER_REQUIRE_FIRMWARE, &rt2x00dev->flags);
1831
1832         /*
1833          * Set the rssi offset.
1834          */
1835         rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
1836
1837         return 0;
1838 }
1839
1840 /*
1841  * IEEE80211 stack callback functions.
1842  */
1843 static void rt73usb_configure_filter(struct ieee80211_hw *hw,
1844                                      unsigned int changed_flags,
1845                                      unsigned int *total_flags,
1846                                      int mc_count,
1847                                      struct dev_addr_list *mc_list)
1848 {
1849         struct rt2x00_dev *rt2x00dev = hw->priv;
1850         u32 reg;
1851
1852         /*
1853          * Mask off any flags we are going to ignore from
1854          * the total_flags field.
1855          */
1856         *total_flags &=
1857             FIF_ALLMULTI |
1858             FIF_FCSFAIL |
1859             FIF_PLCPFAIL |
1860             FIF_CONTROL |
1861             FIF_OTHER_BSS |
1862             FIF_PROMISC_IN_BSS;
1863
1864         /*
1865          * Apply some rules to the filters:
1866          * - Some filters imply different filters to be set.
1867          * - Some things we can't filter out at all.
1868          */
1869         if (mc_count)
1870                 *total_flags |= FIF_ALLMULTI;
1871         if (*total_flags & FIF_OTHER_BSS ||
1872             *total_flags & FIF_PROMISC_IN_BSS)
1873                 *total_flags |= FIF_PROMISC_IN_BSS | FIF_OTHER_BSS;
1874
1875         /*
1876          * Check if there is any work left for us.
1877          */
1878         if (rt2x00dev->packet_filter == *total_flags)
1879                 return;
1880         rt2x00dev->packet_filter = *total_flags;
1881
1882         /*
1883          * When in atomic context, reschedule and let rt2x00lib
1884          * call this function again.
1885          */
1886         if (in_atomic()) {
1887                 queue_work(rt2x00dev->hw->workqueue, &rt2x00dev->filter_work);
1888                 return;
1889         }
1890
1891         /*
1892          * Start configuration steps.
1893          * Note that the version error will always be dropped
1894          * and broadcast frames will always be accepted since
1895          * there is no filter for it at this time.
1896          */
1897         rt73usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
1898         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_CRC,
1899                            !(*total_flags & FIF_FCSFAIL));
1900         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_PHYSICAL,
1901                            !(*total_flags & FIF_PLCPFAIL));
1902         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_CONTROL,
1903                            !(*total_flags & FIF_CONTROL));
1904         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_NOT_TO_ME,
1905                            !(*total_flags & FIF_PROMISC_IN_BSS));
1906         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_TO_DS,
1907                            !(*total_flags & FIF_PROMISC_IN_BSS));
1908         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_VERSION_ERROR, 1);
1909         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_MULTICAST,
1910                            !(*total_flags & FIF_ALLMULTI));
1911         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_BROADCAST, 0);
1912         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_ACK_CTS, 1);
1913         rt73usb_register_write(rt2x00dev, TXRX_CSR0, reg);
1914 }
1915
1916 static int rt73usb_set_retry_limit(struct ieee80211_hw *hw,
1917                                    u32 short_retry, u32 long_retry)
1918 {
1919         struct rt2x00_dev *rt2x00dev = hw->priv;
1920         u32 reg;
1921
1922         rt73usb_register_read(rt2x00dev, TXRX_CSR4, &reg);
1923         rt2x00_set_field32(&reg, TXRX_CSR4_LONG_RETRY_LIMIT, long_retry);
1924         rt2x00_set_field32(&reg, TXRX_CSR4_SHORT_RETRY_LIMIT, short_retry);
1925         rt73usb_register_write(rt2x00dev, TXRX_CSR4, reg);
1926
1927         return 0;
1928 }
1929
1930 #if 0
1931 /*
1932  * Mac80211 demands get_tsf must be atomic.
1933  * This is not possible for rt73usb since all register access
1934  * functions require sleeping. Untill mac80211 no longer needs
1935  * get_tsf to be atomic, this function should be disabled.
1936  */
1937 static u64 rt73usb_get_tsf(struct ieee80211_hw *hw)
1938 {
1939         struct rt2x00_dev *rt2x00dev = hw->priv;
1940         u64 tsf;
1941         u32 reg;
1942
1943         rt73usb_register_read(rt2x00dev, TXRX_CSR13, &reg);
1944         tsf = (u64) rt2x00_get_field32(reg, TXRX_CSR13_HIGH_TSFTIMER) << 32;
1945         rt73usb_register_read(rt2x00dev, TXRX_CSR12, &reg);
1946         tsf |= rt2x00_get_field32(reg, TXRX_CSR12_LOW_TSFTIMER);
1947
1948         return tsf;
1949 }
1950 #else
1951 #define rt73usb_get_tsf NULL
1952 #endif
1953
1954 static void rt73usb_reset_tsf(struct ieee80211_hw *hw)
1955 {
1956         struct rt2x00_dev *rt2x00dev = hw->priv;
1957
1958         rt73usb_register_write(rt2x00dev, TXRX_CSR12, 0);
1959         rt73usb_register_write(rt2x00dev, TXRX_CSR13, 0);
1960 }
1961
1962 static int rt73usb_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb,
1963                           struct ieee80211_tx_control *control)
1964 {
1965         struct rt2x00_dev *rt2x00dev = hw->priv;
1966         struct skb_desc *desc;
1967         struct data_ring *ring;
1968         struct data_entry *entry;
1969         int timeout;
1970
1971         /*
1972          * Just in case the ieee80211 doesn't set this,
1973          * but we need this queue set for the descriptor
1974          * initialization.
1975          */
1976         control->queue = IEEE80211_TX_QUEUE_BEACON;
1977         ring = rt2x00lib_get_ring(rt2x00dev, control->queue);
1978         entry = rt2x00_get_data_entry(ring);
1979
1980         /*
1981          * Add the descriptor in front of the skb.
1982          */
1983         skb_push(skb, ring->desc_size);
1984         memset(skb->data, 0, ring->desc_size);
1985
1986         /*
1987          * Fill in skb descriptor
1988          */
1989         desc = get_skb_desc(skb);
1990         desc->desc_len = ring->desc_size;
1991         desc->data_len = skb->len - ring->desc_size;
1992         desc->desc = skb->data;
1993         desc->data = skb->data + ring->desc_size;
1994         desc->ring = ring;
1995         desc->entry = entry;
1996
1997         rt2x00lib_write_tx_desc(rt2x00dev, skb, control);
1998
1999         /*
2000          * Write entire beacon with descriptor to register,
2001          * and kick the beacon generator.
2002          */
2003         timeout = REGISTER_TIMEOUT * (skb->len / sizeof(u32));
2004         rt2x00usb_vendor_request(rt2x00dev, USB_MULTI_WRITE,
2005                                  USB_VENDOR_REQUEST_OUT,
2006                                  HW_BEACON_BASE0, 0x0000,
2007                                  skb->data, skb->len, timeout);
2008         rt73usb_kick_tx_queue(rt2x00dev, IEEE80211_TX_QUEUE_BEACON);
2009
2010         return 0;
2011 }
2012
2013 static const struct ieee80211_ops rt73usb_mac80211_ops = {
2014         .tx                     = rt2x00mac_tx,
2015         .start                  = rt2x00mac_start,
2016         .stop                   = rt2x00mac_stop,
2017         .add_interface          = rt2x00mac_add_interface,
2018         .remove_interface       = rt2x00mac_remove_interface,
2019         .config                 = rt2x00mac_config,
2020         .config_interface       = rt2x00mac_config_interface,
2021         .configure_filter       = rt73usb_configure_filter,
2022         .get_stats              = rt2x00mac_get_stats,
2023         .set_retry_limit        = rt73usb_set_retry_limit,
2024         .bss_info_changed       = rt2x00mac_bss_info_changed,
2025         .conf_tx                = rt2x00mac_conf_tx,
2026         .get_tx_stats           = rt2x00mac_get_tx_stats,
2027         .get_tsf                = rt73usb_get_tsf,
2028         .reset_tsf              = rt73usb_reset_tsf,
2029         .beacon_update          = rt73usb_beacon_update,
2030 };
2031
2032 static const struct rt2x00lib_ops rt73usb_rt2x00_ops = {
2033         .probe_hw               = rt73usb_probe_hw,
2034         .get_firmware_name      = rt73usb_get_firmware_name,
2035         .load_firmware          = rt73usb_load_firmware,
2036         .initialize             = rt2x00usb_initialize,
2037         .uninitialize           = rt2x00usb_uninitialize,
2038         .init_rxentry           = rt2x00usb_init_rxentry,
2039         .init_txentry           = rt2x00usb_init_txentry,
2040         .set_device_state       = rt73usb_set_device_state,
2041         .link_stats             = rt73usb_link_stats,
2042         .reset_tuner            = rt73usb_reset_tuner,
2043         .link_tuner             = rt73usb_link_tuner,
2044         .write_tx_desc          = rt73usb_write_tx_desc,
2045         .write_tx_data          = rt2x00usb_write_tx_data,
2046         .get_tx_data_len        = rt73usb_get_tx_data_len,
2047         .kick_tx_queue          = rt73usb_kick_tx_queue,
2048         .fill_rxdone            = rt73usb_fill_rxdone,
2049         .config_mac_addr        = rt73usb_config_mac_addr,
2050         .config_bssid           = rt73usb_config_bssid,
2051         .config_type            = rt73usb_config_type,
2052         .config_preamble        = rt73usb_config_preamble,
2053         .config                 = rt73usb_config,
2054 };
2055
2056 static const struct rt2x00_ops rt73usb_ops = {
2057         .name           = KBUILD_MODNAME,
2058         .rxd_size       = RXD_DESC_SIZE,
2059         .txd_size       = TXD_DESC_SIZE,
2060         .eeprom_size    = EEPROM_SIZE,
2061         .rf_size        = RF_SIZE,
2062         .lib            = &rt73usb_rt2x00_ops,
2063         .hw             = &rt73usb_mac80211_ops,
2064 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
2065         .debugfs        = &rt73usb_rt2x00debug,
2066 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
2067 };
2068
2069 /*
2070  * rt73usb module information.
2071  */
2072 static struct usb_device_id rt73usb_device_table[] = {
2073         /* AboCom */
2074         { USB_DEVICE(0x07b8, 0xb21d), USB_DEVICE_DATA(&rt73usb_ops) },
2075         /* Askey */
2076         { USB_DEVICE(0x1690, 0x0722), USB_DEVICE_DATA(&rt73usb_ops) },
2077         /* ASUS */
2078         { USB_DEVICE(0x0b05, 0x1723), USB_DEVICE_DATA(&rt73usb_ops) },
2079         { USB_DEVICE(0x0b05, 0x1724), USB_DEVICE_DATA(&rt73usb_ops) },
2080         /* Belkin */
2081         { USB_DEVICE(0x050d, 0x7050), USB_DEVICE_DATA(&rt73usb_ops) },
2082         { USB_DEVICE(0x050d, 0x705a), USB_DEVICE_DATA(&rt73usb_ops) },
2083         { USB_DEVICE(0x050d, 0x905b), USB_DEVICE_DATA(&rt73usb_ops) },
2084         { USB_DEVICE(0x050d, 0x905c), USB_DEVICE_DATA(&rt73usb_ops) },
2085         /* Billionton */
2086         { USB_DEVICE(0x1631, 0xc019), USB_DEVICE_DATA(&rt73usb_ops) },
2087         /* Buffalo */
2088         { USB_DEVICE(0x0411, 0x00f4), USB_DEVICE_DATA(&rt73usb_ops) },
2089         /* CNet */
2090         { USB_DEVICE(0x1371, 0x9022), USB_DEVICE_DATA(&rt73usb_ops) },
2091         { USB_DEVICE(0x1371, 0x9032), USB_DEVICE_DATA(&rt73usb_ops) },
2092         /* Conceptronic */
2093         { USB_DEVICE(0x14b2, 0x3c22), USB_DEVICE_DATA(&rt73usb_ops) },
2094         /* D-Link */
2095         { USB_DEVICE(0x07d1, 0x3c03), USB_DEVICE_DATA(&rt73usb_ops) },
2096         { USB_DEVICE(0x07d1, 0x3c04), USB_DEVICE_DATA(&rt73usb_ops) },
2097         /* Gemtek */
2098         { USB_DEVICE(0x15a9, 0x0004), USB_DEVICE_DATA(&rt73usb_ops) },
2099         /* Gigabyte */
2100         { USB_DEVICE(0x1044, 0x8008), USB_DEVICE_DATA(&rt73usb_ops) },
2101         { USB_DEVICE(0x1044, 0x800a), USB_DEVICE_DATA(&rt73usb_ops) },
2102         /* Huawei-3Com */
2103         { USB_DEVICE(0x1472, 0x0009), USB_DEVICE_DATA(&rt73usb_ops) },
2104         /* Hercules */
2105         { USB_DEVICE(0x06f8, 0xe010), USB_DEVICE_DATA(&rt73usb_ops) },
2106         { USB_DEVICE(0x06f8, 0xe020), USB_DEVICE_DATA(&rt73usb_ops) },
2107         /* Linksys */
2108         { USB_DEVICE(0x13b1, 0x0020), USB_DEVICE_DATA(&rt73usb_ops) },
2109         { USB_DEVICE(0x13b1, 0x0023), USB_DEVICE_DATA(&rt73usb_ops) },
2110         /* MSI */
2111         { USB_DEVICE(0x0db0, 0x6877), USB_DEVICE_DATA(&rt73usb_ops) },
2112         { USB_DEVICE(0x0db0, 0x6874), USB_DEVICE_DATA(&rt73usb_ops) },
2113         { USB_DEVICE(0x0db0, 0xa861), USB_DEVICE_DATA(&rt73usb_ops) },
2114         { USB_DEVICE(0x0db0, 0xa874), USB_DEVICE_DATA(&rt73usb_ops) },
2115         /* Ralink */
2116         { USB_DEVICE(0x148f, 0x2573), USB_DEVICE_DATA(&rt73usb_ops) },
2117         { USB_DEVICE(0x148f, 0x2671), USB_DEVICE_DATA(&rt73usb_ops) },
2118         /* Qcom */
2119         { USB_DEVICE(0x18e8, 0x6196), USB_DEVICE_DATA(&rt73usb_ops) },
2120         { USB_DEVICE(0x18e8, 0x6229), USB_DEVICE_DATA(&rt73usb_ops) },
2121         { USB_DEVICE(0x18e8, 0x6238), USB_DEVICE_DATA(&rt73usb_ops) },
2122         /* Senao */
2123         { USB_DEVICE(0x1740, 0x7100), USB_DEVICE_DATA(&rt73usb_ops) },
2124         /* Sitecom */
2125         { USB_DEVICE(0x0df6, 0x9712), USB_DEVICE_DATA(&rt73usb_ops) },
2126         { USB_DEVICE(0x0df6, 0x90ac), USB_DEVICE_DATA(&rt73usb_ops) },
2127         /* Surecom */
2128         { USB_DEVICE(0x0769, 0x31f3), USB_DEVICE_DATA(&rt73usb_ops) },
2129         /* Planex */
2130         { USB_DEVICE(0x2019, 0xab01), USB_DEVICE_DATA(&rt73usb_ops) },
2131         { USB_DEVICE(0x2019, 0xab50), USB_DEVICE_DATA(&rt73usb_ops) },
2132         { 0, }
2133 };
2134
2135 MODULE_AUTHOR(DRV_PROJECT);
2136 MODULE_VERSION(DRV_VERSION);
2137 MODULE_DESCRIPTION("Ralink RT73 USB Wireless LAN driver.");
2138 MODULE_SUPPORTED_DEVICE("Ralink RT2571W & RT2671 USB chipset based cards");
2139 MODULE_DEVICE_TABLE(usb, rt73usb_device_table);
2140 MODULE_FIRMWARE(FIRMWARE_RT2571);
2141 MODULE_LICENSE("GPL");
2142
2143 static struct usb_driver rt73usb_driver = {
2144         .name           = KBUILD_MODNAME,
2145         .id_table       = rt73usb_device_table,
2146         .probe          = rt2x00usb_probe,
2147         .disconnect     = rt2x00usb_disconnect,
2148         .suspend        = rt2x00usb_suspend,
2149         .resume         = rt2x00usb_resume,
2150 };
2151
2152 static int __init rt73usb_init(void)
2153 {
2154         return usb_register(&rt73usb_driver);
2155 }
2156
2157 static void __exit rt73usb_exit(void)
2158 {
2159         usb_deregister(&rt73usb_driver);
2160 }
2161
2162 module_init(rt73usb_init);
2163 module_exit(rt73usb_exit);