?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
rt2x00: Implement Powersaving
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / net / wireless / rt2x00 / rt2500usb.c
blob23cf585f03a4b3e681ef4d534d9010da7eb44997
1 /*
2 Copyright (C) 2004 - 2008 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: rt2500usb
23 Abstract: rt2500usb device specific routines.
24 Supported chipsets: RT2570.
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 "rt2500usb.h"
37
38 /*
39 * Allow hardware encryption to be disabled.
40 */
41 static int modparam_nohwcrypt = 0;
42 module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
43 MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
44
45 /*
46 * Register access.
47 * All access to the CSR registers will go through the methods
48 * rt2500usb_register_read and rt2500usb_register_write.
49 * BBP and RF register require indirect register access,
50 * and use the CSR registers BBPCSR and RFCSR to achieve this.
51 * These indirect registers work with busy bits,
52 * and we will try maximal REGISTER_BUSY_COUNT times to access
53 * the register while taking a REGISTER_BUSY_DELAY us delay
54 * between each attampt. When the busy bit is still set at that time,
55 * the access attempt is considered to have failed,
56 * and we will print an error.
57 * If the csr_mutex is already held then the _lock variants must
58 * be used instead.
59 */
60 static inline void rt2500usb_register_read(struct rt2x00_dev *rt2x00dev,
61 const unsigned int offset,
62 u16 *value)
63 {
64 __le16 reg;
65 rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ,
66 USB_VENDOR_REQUEST_IN, offset,
67 &reg, sizeof(reg), REGISTER_TIMEOUT);
68 *value = le16_to_cpu(reg);
69 }
70
71 static inline void rt2500usb_register_read_lock(struct rt2x00_dev *rt2x00dev,
72 const unsigned int offset,
73 u16 *value)
74 {
75 __le16 reg;
76 rt2x00usb_vendor_req_buff_lock(rt2x00dev, USB_MULTI_READ,
77 USB_VENDOR_REQUEST_IN, offset,
78 &reg, sizeof(reg), REGISTER_TIMEOUT);
79 *value = le16_to_cpu(reg);
80 }
81
82 static inline void rt2500usb_register_multiread(struct rt2x00_dev *rt2x00dev,
83 const unsigned int offset,
84 void *value, const u16 length)
85 {
86 rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ,
87 USB_VENDOR_REQUEST_IN, offset,
88 value, length,
89 REGISTER_TIMEOUT16(length));
90 }
91
92 static inline void rt2500usb_register_write(struct rt2x00_dev *rt2x00dev,
93 const unsigned int offset,
94 u16 value)
95 {
96 __le16 reg = cpu_to_le16(value);
97 rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE,
98 USB_VENDOR_REQUEST_OUT, offset,
99 &reg, sizeof(reg), REGISTER_TIMEOUT);
100 }
101
102 static inline void rt2500usb_register_write_lock(struct rt2x00_dev *rt2x00dev,
103 const unsigned int offset,
104 u16 value)
105 {
106 __le16 reg = cpu_to_le16(value);
107 rt2x00usb_vendor_req_buff_lock(rt2x00dev, USB_MULTI_WRITE,
108 USB_VENDOR_REQUEST_OUT, offset,
109 &reg, sizeof(reg), REGISTER_TIMEOUT);
110 }
111
112 static inline void rt2500usb_register_multiwrite(struct rt2x00_dev *rt2x00dev,
113 const unsigned int offset,
114 void *value, const u16 length)
115 {
116 rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE,
117 USB_VENDOR_REQUEST_OUT, offset,
118 value, length,
119 REGISTER_TIMEOUT16(length));
120 }
121
122 static int rt2500usb_regbusy_read(struct rt2x00_dev *rt2x00dev,
123 const unsigned int offset,
124 struct rt2x00_field16 field,
125 u16 *reg)
126 {
127 unsigned int i;
128
129 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
130 rt2500usb_register_read_lock(rt2x00dev, offset, reg);
131 if (!rt2x00_get_field16(*reg, field))
132 return 1;
133 udelay(REGISTER_BUSY_DELAY);
134 }
135
136 ERROR(rt2x00dev, "Indirect register access failed: "
137 "offset=0x%.08x, value=0x%.08x\n", offset, *reg);
138 *reg = ~0;
139
140 return 0;
141 }
142
143 #define WAIT_FOR_BBP(__dev, __reg) \
144 rt2500usb_regbusy_read((__dev), PHY_CSR8, PHY_CSR8_BUSY, (__reg))
145 #define WAIT_FOR_RF(__dev, __reg) \
146 rt2500usb_regbusy_read((__dev), PHY_CSR10, PHY_CSR10_RF_BUSY, (__reg))
147
148 static void rt2500usb_bbp_write(struct rt2x00_dev *rt2x00dev,
149 const unsigned int word, const u8 value)
150 {
151 u16 reg;
152
153 mutex_lock(&rt2x00dev->csr_mutex);
154
155 /*
156 * Wait until the BBP becomes available, afterwards we
157 * can safely write the new data into the register.
158 */
159 if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
160 reg = 0;
161 rt2x00_set_field16(&reg, PHY_CSR7_DATA, value);
162 rt2x00_set_field16(&reg, PHY_CSR7_REG_ID, word);
163 rt2x00_set_field16(&reg, PHY_CSR7_READ_CONTROL, 0);
164
165 rt2500usb_register_write_lock(rt2x00dev, PHY_CSR7, reg);
166 }
167
168 mutex_unlock(&rt2x00dev->csr_mutex);
169 }
170
171 static void rt2500usb_bbp_read(struct rt2x00_dev *rt2x00dev,
172 const unsigned int word, u8 *value)
173 {
174 u16 reg;
175
176 mutex_lock(&rt2x00dev->csr_mutex);
177
178 /*
179 * Wait until the BBP becomes available, afterwards we
180 * can safely write the read request into the register.
181 * After the data has been written, we wait until hardware
182 * returns the correct value, if at any time the register
183 * doesn't become available in time, reg will be 0xffffffff
184 * which means we return 0xff to the caller.
185 */
186 if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
187 reg = 0;
188 rt2x00_set_field16(&reg, PHY_CSR7_REG_ID, word);
189 rt2x00_set_field16(&reg, PHY_CSR7_READ_CONTROL, 1);
190
191 rt2500usb_register_write_lock(rt2x00dev, PHY_CSR7, reg);
192
193 if (WAIT_FOR_BBP(rt2x00dev, &reg))
194 rt2500usb_register_read_lock(rt2x00dev, PHY_CSR7, &reg);
195 }
196
197 *value = rt2x00_get_field16(reg, PHY_CSR7_DATA);
198
199 mutex_unlock(&rt2x00dev->csr_mutex);
200 }
201
202 static void rt2500usb_rf_write(struct rt2x00_dev *rt2x00dev,
203 const unsigned int word, const u32 value)
204 {
205 u16 reg;
206
207 if (!word)
208 return;
209
210 mutex_lock(&rt2x00dev->csr_mutex);
211
212 /*
213 * Wait until the RF becomes available, afterwards we
214 * can safely write the new data into the register.
215 */
216 if (WAIT_FOR_RF(rt2x00dev, &reg)) {
217 reg = 0;
218 rt2x00_set_field16(&reg, PHY_CSR9_RF_VALUE, value);
219 rt2500usb_register_write_lock(rt2x00dev, PHY_CSR9, reg);
220
221 reg = 0;
222 rt2x00_set_field16(&reg, PHY_CSR10_RF_VALUE, value >> 16);
223 rt2x00_set_field16(&reg, PHY_CSR10_RF_NUMBER_OF_BITS, 20);
224 rt2x00_set_field16(&reg, PHY_CSR10_RF_IF_SELECT, 0);
225 rt2x00_set_field16(&reg, PHY_CSR10_RF_BUSY, 1);
226
227 rt2500usb_register_write_lock(rt2x00dev, PHY_CSR10, reg);
228 rt2x00_rf_write(rt2x00dev, word, value);
229 }
230
231 mutex_unlock(&rt2x00dev->csr_mutex);
232 }
233
234 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
235 static void _rt2500usb_register_read(struct rt2x00_dev *rt2x00dev,
236 const unsigned int offset,
237 u32 *value)
238 {
239 rt2500usb_register_read(rt2x00dev, offset, (u16 *)value);
240 }
241
242 static void _rt2500usb_register_write(struct rt2x00_dev *rt2x00dev,
243 const unsigned int offset,
244 u32 value)
245 {
246 rt2500usb_register_write(rt2x00dev, offset, value);
247 }
248
249 static const struct rt2x00debug rt2500usb_rt2x00debug = {
250 .owner = THIS_MODULE,
251 .csr = {
252 .read = _rt2500usb_register_read,
253 .write = _rt2500usb_register_write,
254 .flags = RT2X00DEBUGFS_OFFSET,
255 .word_base = CSR_REG_BASE,
256 .word_size = sizeof(u16),
257 .word_count = CSR_REG_SIZE / sizeof(u16),
258 },
259 .eeprom = {
260 .read = rt2x00_eeprom_read,
261 .write = rt2x00_eeprom_write,
262 .word_base = EEPROM_BASE,
263 .word_size = sizeof(u16),
264 .word_count = EEPROM_SIZE / sizeof(u16),
265 },
266 .bbp = {
267 .read = rt2500usb_bbp_read,
268 .write = rt2500usb_bbp_write,
269 .word_base = BBP_BASE,
270 .word_size = sizeof(u8),
271 .word_count = BBP_SIZE / sizeof(u8),
272 },
273 .rf = {
274 .read = rt2x00_rf_read,
275 .write = rt2500usb_rf_write,
276 .word_base = RF_BASE,
277 .word_size = sizeof(u32),
278 .word_count = RF_SIZE / sizeof(u32),
279 },
280 };
281 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
282
283 #ifdef CONFIG_RT2X00_LIB_LEDS
284 static void rt2500usb_brightness_set(struct led_classdev *led_cdev,
285 enum led_brightness brightness)
286 {
287 struct rt2x00_led *led =
288 container_of(led_cdev, struct rt2x00_led, led_dev);
289 unsigned int enabled = brightness != LED_OFF;
290 u16 reg;
291
292 rt2500usb_register_read(led->rt2x00dev, MAC_CSR20, &reg);
293
294 if (led->type == LED_TYPE_RADIO || led->type == LED_TYPE_ASSOC)
295 rt2x00_set_field16(&reg, MAC_CSR20_LINK, enabled);
296 else if (led->type == LED_TYPE_ACTIVITY)
297 rt2x00_set_field16(&reg, MAC_CSR20_ACTIVITY, enabled);
298
299 rt2500usb_register_write(led->rt2x00dev, MAC_CSR20, reg);
300 }
301
302 static int rt2500usb_blink_set(struct led_classdev *led_cdev,
303 unsigned long *delay_on,
304 unsigned long *delay_off)
305 {
306 struct rt2x00_led *led =
307 container_of(led_cdev, struct rt2x00_led, led_dev);
308 u16 reg;
309
310 rt2500usb_register_read(led->rt2x00dev, MAC_CSR21, &reg);
311 rt2x00_set_field16(&reg, MAC_CSR21_ON_PERIOD, *delay_on);
312 rt2x00_set_field16(&reg, MAC_CSR21_OFF_PERIOD, *delay_off);
313 rt2500usb_register_write(led->rt2x00dev, MAC_CSR21, reg);
314
315 return 0;
316 }
317
318 static void rt2500usb_init_led(struct rt2x00_dev *rt2x00dev,
319 struct rt2x00_led *led,
320 enum led_type type)
321 {
322 led->rt2x00dev = rt2x00dev;
323 led->type = type;
324 led->led_dev.brightness_set = rt2500usb_brightness_set;
325 led->led_dev.blink_set = rt2500usb_blink_set;
326 led->flags = LED_INITIALIZED;
327 }
328 #endif /* CONFIG_RT2X00_LIB_LEDS */
329
330 /*
331 * Configuration handlers.
332 */
333
334 /*
335 * rt2500usb does not differentiate between shared and pairwise
336 * keys, so we should use the same function for both key types.
337 */
338 static int rt2500usb_config_key(struct rt2x00_dev *rt2x00dev,
339 struct rt2x00lib_crypto *crypto,
340 struct ieee80211_key_conf *key)
341 {
342 int timeout;
343 u32 mask;
344 u16 reg;
345
346 if (crypto->cmd == SET_KEY) {
347 /*
348 * Pairwise key will always be entry 0, but this
349 * could collide with a shared key on the same
350 * position...
351 */
352 mask = TXRX_CSR0_KEY_ID.bit_mask;
353
354 rt2500usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
355 reg &= mask;
356
357 if (reg && reg == mask)
358 return -ENOSPC;
359
360 reg = rt2x00_get_field16(reg, TXRX_CSR0_KEY_ID);
361
362 key->hw_key_idx += reg ? ffz(reg) : 0;
363
364 /*
365 * The encryption key doesn't fit within the CSR cache,
366 * this means we should allocate it seperately and use
367 * rt2x00usb_vendor_request() to send the key to the hardware.
368 */
369 reg = KEY_ENTRY(key->hw_key_idx);
370 timeout = REGISTER_TIMEOUT32(sizeof(crypto->key));
371 rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE,
372 USB_VENDOR_REQUEST_OUT, reg,
373 crypto->key,
374 sizeof(crypto->key),
375 timeout);
376
377 /*
378 * The driver does not support the IV/EIV generation
379 * in hardware. However it demands the data to be provided
380 * both seperately as well as inside the frame.
381 * We already provided the CONFIG_CRYPTO_COPY_IV to rt2x00lib
382 * to ensure rt2x00lib will not strip the data from the
383 * frame after the copy, now we must tell mac80211
384 * to generate the IV/EIV data.
385 */
386 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
387 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
388 }
389
390 /*
391 * TXRX_CSR0_KEY_ID contains only single-bit fields to indicate
392 * a particular key is valid.
393 */
394 rt2500usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
395 rt2x00_set_field16(&reg, TXRX_CSR0_ALGORITHM, crypto->cipher);
396 rt2x00_set_field16(&reg, TXRX_CSR0_IV_OFFSET, IEEE80211_HEADER);
397
398 mask = rt2x00_get_field16(reg, TXRX_CSR0_KEY_ID);
399 if (crypto->cmd == SET_KEY)
400 mask |= 1 << key->hw_key_idx;
401 else if (crypto->cmd == DISABLE_KEY)
402 mask &= ~(1 << key->hw_key_idx);
403 rt2x00_set_field16(&reg, TXRX_CSR0_KEY_ID, mask);
404 rt2500usb_register_write(rt2x00dev, TXRX_CSR0, reg);
405
406 return 0;
407 }
408
409 static void rt2500usb_config_filter(struct rt2x00_dev *rt2x00dev,
410 const unsigned int filter_flags)
411 {
412 u16 reg;
413
414 /*
415 * Start configuration steps.
416 * Note that the version error will always be dropped
417 * and broadcast frames will always be accepted since
418 * there is no filter for it at this time.
419 */
420 rt2500usb_register_read(rt2x00dev, TXRX_CSR2, &reg);
421 rt2x00_set_field16(&reg, TXRX_CSR2_DROP_CRC,
422 !(filter_flags & FIF_FCSFAIL));
423 rt2x00_set_field16(&reg, TXRX_CSR2_DROP_PHYSICAL,
424 !(filter_flags & FIF_PLCPFAIL));
425 rt2x00_set_field16(&reg, TXRX_CSR2_DROP_CONTROL,
426 !(filter_flags & FIF_CONTROL));
427 rt2x00_set_field16(&reg, TXRX_CSR2_DROP_NOT_TO_ME,
428 !(filter_flags & FIF_PROMISC_IN_BSS));
429 rt2x00_set_field16(&reg, TXRX_CSR2_DROP_TODS,
430 !(filter_flags & FIF_PROMISC_IN_BSS) &&
431 !rt2x00dev->intf_ap_count);
432 rt2x00_set_field16(&reg, TXRX_CSR2_DROP_VERSION_ERROR, 1);
433 rt2x00_set_field16(&reg, TXRX_CSR2_DROP_MULTICAST,
434 !(filter_flags & FIF_ALLMULTI));
435 rt2x00_set_field16(&reg, TXRX_CSR2_DROP_BROADCAST, 0);
436 rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg);
437 }
438
439 static void rt2500usb_config_intf(struct rt2x00_dev *rt2x00dev,
440 struct rt2x00_intf *intf,
441 struct rt2x00intf_conf *conf,
442 const unsigned int flags)
443 {
444 unsigned int bcn_preload;
445 u16 reg;
446
447 if (flags & CONFIG_UPDATE_TYPE) {
448 /*
449 * Enable beacon config
450 */
451 bcn_preload = PREAMBLE + GET_DURATION(IEEE80211_HEADER, 20);
452 rt2500usb_register_read(rt2x00dev, TXRX_CSR20, &reg);
453 rt2x00_set_field16(&reg, TXRX_CSR20_OFFSET, bcn_preload >> 6);
454 rt2x00_set_field16(&reg, TXRX_CSR20_BCN_EXPECT_WINDOW,
455 2 * (conf->type != NL80211_IFTYPE_STATION));
456 rt2500usb_register_write(rt2x00dev, TXRX_CSR20, reg);
457
458 /*
459 * Enable synchronisation.
460 */
461 rt2500usb_register_read(rt2x00dev, TXRX_CSR18, &reg);
462 rt2x00_set_field16(&reg, TXRX_CSR18_OFFSET, 0);
463 rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg);
464
465 rt2500usb_register_read(rt2x00dev, TXRX_CSR19, &reg);
466 rt2x00_set_field16(&reg, TXRX_CSR19_TSF_COUNT, 1);
467 rt2x00_set_field16(&reg, TXRX_CSR19_TSF_SYNC, conf->sync);
468 rt2x00_set_field16(&reg, TXRX_CSR19_TBCN, 1);
469 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
470 }
471
472 if (flags & CONFIG_UPDATE_MAC)
473 rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR2, conf->mac,
474 (3 * sizeof(__le16)));
475
476 if (flags & CONFIG_UPDATE_BSSID)
477 rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR5, conf->bssid,
478 (3 * sizeof(__le16)));
479 }
480
481 static void rt2500usb_config_erp(struct rt2x00_dev *rt2x00dev,
482 struct rt2x00lib_erp *erp)
483 {
484 u16 reg;
485
486 rt2500usb_register_read(rt2x00dev, TXRX_CSR1, &reg);
487 rt2x00_set_field16(&reg, TXRX_CSR1_ACK_TIMEOUT, erp->ack_timeout);
488 rt2500usb_register_write(rt2x00dev, TXRX_CSR1, reg);
489
490 rt2500usb_register_read(rt2x00dev, TXRX_CSR10, &reg);
491 rt2x00_set_field16(&reg, TXRX_CSR10_AUTORESPOND_PREAMBLE,
492 !!erp->short_preamble);
493 rt2500usb_register_write(rt2x00dev, TXRX_CSR10, reg);
494
495 rt2500usb_register_write(rt2x00dev, TXRX_CSR11, erp->basic_rates);
496
497 rt2500usb_register_write(rt2x00dev, MAC_CSR10, erp->slot_time);
498 rt2500usb_register_write(rt2x00dev, MAC_CSR11, erp->sifs);
499 rt2500usb_register_write(rt2x00dev, MAC_CSR12, erp->eifs);
500 }
501
502 static void rt2500usb_config_ant(struct rt2x00_dev *rt2x00dev,
503 struct antenna_setup *ant)
504 {
505 u8 r2;
506 u8 r14;
507 u16 csr5;
508 u16 csr6;
509
510 /*
511 * We should never come here because rt2x00lib is supposed
512 * to catch this and send us the correct antenna explicitely.
513 */
514 BUG_ON(ant->rx == ANTENNA_SW_DIVERSITY ||
515 ant->tx == ANTENNA_SW_DIVERSITY);
516
517 rt2500usb_bbp_read(rt2x00dev, 2, &r2);
518 rt2500usb_bbp_read(rt2x00dev, 14, &r14);
519 rt2500usb_register_read(rt2x00dev, PHY_CSR5, &csr5);
520 rt2500usb_register_read(rt2x00dev, PHY_CSR6, &csr6);
521
522 /*
523 * Configure the TX antenna.
524 */
525 switch (ant->tx) {
526 case ANTENNA_HW_DIVERSITY:
527 rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 1);
528 rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 1);
529 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 1);
530 break;
531 case ANTENNA_A:
532 rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 0);
533 rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 0);
534 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 0);
535 break;
536 case ANTENNA_B:
537 default:
538 rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 2);
539 rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 2);
540 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 2);
541 break;
542 }
543
544 /*
545 * Configure the RX antenna.
546 */
547 switch (ant->rx) {
548 case ANTENNA_HW_DIVERSITY:
549 rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 1);
550 break;
551 case ANTENNA_A:
552 rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 0);
553 break;
554 case ANTENNA_B:
555 default:
556 rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 2);
557 break;
558 }
559
560 /*
561 * RT2525E and RT5222 need to flip TX I/Q
562 */
563 if (rt2x00_rf(&rt2x00dev->chip, RF2525E) ||
564 rt2x00_rf(&rt2x00dev->chip, RF5222)) {
565 rt2x00_set_field8(&r2, BBP_R2_TX_IQ_FLIP, 1);
566 rt2x00_set_field16(&csr5, PHY_CSR5_CCK_FLIP, 1);
567 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM_FLIP, 1);
568
569 /*
570 * RT2525E does not need RX I/Q Flip.
571 */
572 if (rt2x00_rf(&rt2x00dev->chip, RF2525E))
573 rt2x00_set_field8(&r14, BBP_R14_RX_IQ_FLIP, 0);
574 } else {
575 rt2x00_set_field16(&csr5, PHY_CSR5_CCK_FLIP, 0);
576 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM_FLIP, 0);
577 }
578
579 rt2500usb_bbp_write(rt2x00dev, 2, r2);
580 rt2500usb_bbp_write(rt2x00dev, 14, r14);
581 rt2500usb_register_write(rt2x00dev, PHY_CSR5, csr5);
582 rt2500usb_register_write(rt2x00dev, PHY_CSR6, csr6);
583 }
584
585 static void rt2500usb_config_channel(struct rt2x00_dev *rt2x00dev,
586 struct rf_channel *rf, const int txpower)
587 {
588 /*
589 * Set TXpower.
590 */
591 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
592
593 /*
594 * For RT2525E we should first set the channel to half band higher.
595 */
596 if (rt2x00_rf(&rt2x00dev->chip, RF2525E)) {
597 static const u32 vals[] = {
598 0x000008aa, 0x000008ae, 0x000008ae, 0x000008b2,
599 0x000008b2, 0x000008b6, 0x000008b6, 0x000008ba,
600 0x000008ba, 0x000008be, 0x000008b7, 0x00000902,
601 0x00000902, 0x00000906
602 };
603
604 rt2500usb_rf_write(rt2x00dev, 2, vals[rf->channel - 1]);
605 if (rf->rf4)
606 rt2500usb_rf_write(rt2x00dev, 4, rf->rf4);
607 }
608
609 rt2500usb_rf_write(rt2x00dev, 1, rf->rf1);
610 rt2500usb_rf_write(rt2x00dev, 2, rf->rf2);
611 rt2500usb_rf_write(rt2x00dev, 3, rf->rf3);
612 if (rf->rf4)
613 rt2500usb_rf_write(rt2x00dev, 4, rf->rf4);
614 }
615
616 static void rt2500usb_config_txpower(struct rt2x00_dev *rt2x00dev,
617 const int txpower)
618 {
619 u32 rf3;
620
621 rt2x00_rf_read(rt2x00dev, 3, &rf3);
622 rt2x00_set_field32(&rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
623 rt2500usb_rf_write(rt2x00dev, 3, rf3);
624 }
625
626 static void rt2500usb_config_duration(struct rt2x00_dev *rt2x00dev,
627 struct rt2x00lib_conf *libconf)
628 {
629 u16 reg;
630
631 rt2500usb_register_read(rt2x00dev, TXRX_CSR18, &reg);
632 rt2x00_set_field16(&reg, TXRX_CSR18_INTERVAL,
633 libconf->conf->beacon_int * 4);
634 rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg);
635 }
636
637 static void rt2500usb_config_ps(struct rt2x00_dev *rt2x00dev,
638 struct rt2x00lib_conf *libconf)
639 {
640 enum dev_state state =
641 (libconf->conf->flags & IEEE80211_CONF_PS) ?
642 STATE_SLEEP : STATE_AWAKE;
643 u16 reg;
644
645 if (state == STATE_SLEEP) {
646 rt2500usb_register_read(rt2x00dev, MAC_CSR18, &reg);
647 rt2x00_set_field16(&reg, MAC_CSR18_DELAY_AFTER_BEACON,
648 libconf->conf->beacon_int - 20);
649 rt2x00_set_field16(&reg, MAC_CSR18_BEACONS_BEFORE_WAKEUP,
650 libconf->conf->listen_interval - 1);
651
652 /* We must first disable autowake before it can be enabled */
653 rt2x00_set_field16(&reg, MAC_CSR18_AUTO_WAKE, 0);
654 rt2500usb_register_write(rt2x00dev, MAC_CSR18, reg);
655
656 rt2x00_set_field16(&reg, MAC_CSR18_AUTO_WAKE, 1);
657 rt2500usb_register_write(rt2x00dev, MAC_CSR18, reg);
658 }
659
660 rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
661 }
662
663 static void rt2500usb_config(struct rt2x00_dev *rt2x00dev,
664 struct rt2x00lib_conf *libconf,
665 const unsigned int flags)
666 {
667 if (flags & IEEE80211_CONF_CHANGE_CHANNEL)
668 rt2500usb_config_channel(rt2x00dev, &libconf->rf,
669 libconf->conf->power_level);
670 if ((flags & IEEE80211_CONF_CHANGE_POWER) &&
671 !(flags & IEEE80211_CONF_CHANGE_CHANNEL))
672 rt2500usb_config_txpower(rt2x00dev,
673 libconf->conf->power_level);
674 if (flags & IEEE80211_CONF_CHANGE_BEACON_INTERVAL)
675 rt2500usb_config_duration(rt2x00dev, libconf);
676 if (flags & IEEE80211_CONF_CHANGE_PS)
677 rt2500usb_config_ps(rt2x00dev, libconf);
678 }
679
680 /*
681 * Link tuning
682 */
683 static void rt2500usb_link_stats(struct rt2x00_dev *rt2x00dev,
684 struct link_qual *qual)
685 {
686 u16 reg;
687
688 /*
689 * Update FCS error count from register.
690 */
691 rt2500usb_register_read(rt2x00dev, STA_CSR0, &reg);
692 qual->rx_failed = rt2x00_get_field16(reg, STA_CSR0_FCS_ERROR);
693
694 /*
695 * Update False CCA count from register.
696 */
697 rt2500usb_register_read(rt2x00dev, STA_CSR3, &reg);
698 qual->false_cca = rt2x00_get_field16(reg, STA_CSR3_FALSE_CCA_ERROR);
699 }
700
701 static void rt2500usb_reset_tuner(struct rt2x00_dev *rt2x00dev)
702 {
703 u16 eeprom;
704 u16 value;
705
706 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &eeprom);
707 value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R24_LOW);
708 rt2500usb_bbp_write(rt2x00dev, 24, value);
709
710 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &eeprom);
711 value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R25_LOW);
712 rt2500usb_bbp_write(rt2x00dev, 25, value);
713
714 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &eeprom);
715 value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R61_LOW);
716 rt2500usb_bbp_write(rt2x00dev, 61, value);
717
718 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &eeprom);
719 value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_VGCUPPER);
720 rt2500usb_bbp_write(rt2x00dev, 17, value);
721
722 rt2x00dev->link.vgc_level = value;
723 }
724
725 /*
726 * NOTE: This function is directly ported from legacy driver, but
727 * despite it being declared it was never called. Although link tuning
728 * sounds like a good idea, and usually works well for the other drivers,
729 * it does _not_ work with rt2500usb. Enabling this function will result
730 * in TX capabilities only until association kicks in. Immediately
731 * after the successful association all TX frames will be kept in the
732 * hardware queue and never transmitted.
733 */
734 #if 0
735 static void rt2500usb_link_tuner(struct rt2x00_dev *rt2x00dev)
736 {
737 int rssi = rt2x00_get_link_rssi(&rt2x00dev->link);
738 u16 bbp_thresh;
739 u16 vgc_bound;
740 u16 sens;
741 u16 r24;
742 u16 r25;
743 u16 r61;
744 u16 r17_sens;
745 u8 r17;
746 u8 up_bound;
747 u8 low_bound;
748
749 /*
750 * Read current r17 value, as well as the sensitivity values
751 * for the r17 register.
752 */
753 rt2500usb_bbp_read(rt2x00dev, 17, &r17);
754 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R17, &r17_sens);
755
756 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &vgc_bound);
757 up_bound = rt2x00_get_field16(vgc_bound, EEPROM_BBPTUNE_VGCUPPER);
758 low_bound = rt2x00_get_field16(vgc_bound, EEPROM_BBPTUNE_VGCLOWER);
759
760 /*
761 * If we are not associated, we should go straight to the
762 * dynamic CCA tuning.
763 */
764 if (!rt2x00dev->intf_associated)
765 goto dynamic_cca_tune;
766
767 /*
768 * Determine the BBP tuning threshold and correctly
769 * set BBP 24, 25 and 61.
770 */
771 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE, &bbp_thresh);
772 bbp_thresh = rt2x00_get_field16(bbp_thresh, EEPROM_BBPTUNE_THRESHOLD);
773
774 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &r24);
775 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &r25);
776 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &r61);
777
778 if ((rssi + bbp_thresh) > 0) {
779 r24 = rt2x00_get_field16(r24, EEPROM_BBPTUNE_R24_HIGH);
780 r25 = rt2x00_get_field16(r25, EEPROM_BBPTUNE_R25_HIGH);
781 r61 = rt2x00_get_field16(r61, EEPROM_BBPTUNE_R61_HIGH);
782 } else {
783 r24 = rt2x00_get_field16(r24, EEPROM_BBPTUNE_R24_LOW);
784 r25 = rt2x00_get_field16(r25, EEPROM_BBPTUNE_R25_LOW);
785 r61 = rt2x00_get_field16(r61, EEPROM_BBPTUNE_R61_LOW);
786 }
787
788 rt2500usb_bbp_write(rt2x00dev, 24, r24);
789 rt2500usb_bbp_write(rt2x00dev, 25, r25);
790 rt2500usb_bbp_write(rt2x00dev, 61, r61);
791
792 /*
793 * A too low RSSI will cause too much false CCA which will
794 * then corrupt the R17 tuning. To remidy this the tuning should
795 * be stopped (While making sure the R17 value will not exceed limits)
796 */
797 if (rssi >= -40) {
798 if (r17 != 0x60)
799 rt2500usb_bbp_write(rt2x00dev, 17, 0x60);
800 return;
801 }
802
803 /*
804 * Special big-R17 for short distance
805 */
806 if (rssi >= -58) {
807 sens = rt2x00_get_field16(r17_sens, EEPROM_BBPTUNE_R17_LOW);
808 if (r17 != sens)
809 rt2500usb_bbp_write(rt2x00dev, 17, sens);
810 return;
811 }
812
813 /*
814 * Special mid-R17 for middle distance
815 */
816 if (rssi >= -74) {
817 sens = rt2x00_get_field16(r17_sens, EEPROM_BBPTUNE_R17_HIGH);
818 if (r17 != sens)
819 rt2500usb_bbp_write(rt2x00dev, 17, sens);
820 return;
821 }
822
823 /*
824 * Leave short or middle distance condition, restore r17
825 * to the dynamic tuning range.
826 */
827 low_bound = 0x32;
828 if (rssi < -77)
829 up_bound -= (-77 - rssi);
830
831 if (up_bound < low_bound)
832 up_bound = low_bound;
833
834 if (r17 > up_bound) {
835 rt2500usb_bbp_write(rt2x00dev, 17, up_bound);
836 rt2x00dev->link.vgc_level = up_bound;
837 return;
838 }
839
840 dynamic_cca_tune:
841
842 /*
843 * R17 is inside the dynamic tuning range,
844 * start tuning the link based on the false cca counter.
845 */
846 if (rt2x00dev->link.qual.false_cca > 512 && r17 < up_bound) {
847 rt2500usb_bbp_write(rt2x00dev, 17, ++r17);
848 rt2x00dev->link.vgc_level = r17;
849 } else if (rt2x00dev->link.qual.false_cca < 100 && r17 > low_bound) {
850 rt2500usb_bbp_write(rt2x00dev, 17, --r17);
851 rt2x00dev->link.vgc_level = r17;
852 }
853 }
854 #else
855 #define rt2500usb_link_tuner NULL
856 #endif
857
858 /*
859 * Initialization functions.
860 */
861 static int rt2500usb_init_registers(struct rt2x00_dev *rt2x00dev)
862 {
863 u16 reg;
864
865 rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0x0001,
866 USB_MODE_TEST, REGISTER_TIMEOUT);
867 rt2x00usb_vendor_request_sw(rt2x00dev, USB_SINGLE_WRITE, 0x0308,
868 0x00f0, REGISTER_TIMEOUT);
869
870 rt2500usb_register_read(rt2x00dev, TXRX_CSR2, &reg);
871 rt2x00_set_field16(&reg, TXRX_CSR2_DISABLE_RX, 1);
872 rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg);
873
874 rt2500usb_register_write(rt2x00dev, MAC_CSR13, 0x1111);
875 rt2500usb_register_write(rt2x00dev, MAC_CSR14, 0x1e11);
876
877 rt2500usb_register_read(rt2x00dev, MAC_CSR1, &reg);
878 rt2x00_set_field16(&reg, MAC_CSR1_SOFT_RESET, 1);
879 rt2x00_set_field16(&reg, MAC_CSR1_BBP_RESET, 1);
880 rt2x00_set_field16(&reg, MAC_CSR1_HOST_READY, 0);
881 rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg);
882
883 rt2500usb_register_read(rt2x00dev, MAC_CSR1, &reg);
884 rt2x00_set_field16(&reg, MAC_CSR1_SOFT_RESET, 0);
885 rt2x00_set_field16(&reg, MAC_CSR1_BBP_RESET, 0);
886 rt2x00_set_field16(&reg, MAC_CSR1_HOST_READY, 0);
887 rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg);
888
889 rt2500usb_register_read(rt2x00dev, TXRX_CSR5, &reg);
890 rt2x00_set_field16(&reg, TXRX_CSR5_BBP_ID0, 13);
891 rt2x00_set_field16(&reg, TXRX_CSR5_BBP_ID0_VALID, 1);
892 rt2x00_set_field16(&reg, TXRX_CSR5_BBP_ID1, 12);
893 rt2x00_set_field16(&reg, TXRX_CSR5_BBP_ID1_VALID, 1);
894 rt2500usb_register_write(rt2x00dev, TXRX_CSR5, reg);
895
896 rt2500usb_register_read(rt2x00dev, TXRX_CSR6, &reg);
897 rt2x00_set_field16(&reg, TXRX_CSR6_BBP_ID0, 10);
898 rt2x00_set_field16(&reg, TXRX_CSR6_BBP_ID0_VALID, 1);
899 rt2x00_set_field16(&reg, TXRX_CSR6_BBP_ID1, 11);
900 rt2x00_set_field16(&reg, TXRX_CSR6_BBP_ID1_VALID, 1);
901 rt2500usb_register_write(rt2x00dev, TXRX_CSR6, reg);
902
903 rt2500usb_register_read(rt2x00dev, TXRX_CSR7, &reg);
904 rt2x00_set_field16(&reg, TXRX_CSR7_BBP_ID0, 7);
905 rt2x00_set_field16(&reg, TXRX_CSR7_BBP_ID0_VALID, 1);
906 rt2x00_set_field16(&reg, TXRX_CSR7_BBP_ID1, 6);
907 rt2x00_set_field16(&reg, TXRX_CSR7_BBP_ID1_VALID, 1);
908 rt2500usb_register_write(rt2x00dev, TXRX_CSR7, reg);
909
910 rt2500usb_register_read(rt2x00dev, TXRX_CSR8, &reg);
911 rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID0, 5);
912 rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID0_VALID, 1);
913 rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID1, 0);
914 rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID1_VALID, 0);
915 rt2500usb_register_write(rt2x00dev, TXRX_CSR8, reg);
916
917 rt2500usb_register_read(rt2x00dev, TXRX_CSR19, &reg);
918 rt2x00_set_field16(&reg, TXRX_CSR19_TSF_COUNT, 0);
919 rt2x00_set_field16(&reg, TXRX_CSR19_TSF_SYNC, 0);
920 rt2x00_set_field16(&reg, TXRX_CSR19_TBCN, 0);
921 rt2x00_set_field16(&reg, TXRX_CSR19_BEACON_GEN, 0);
922 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
923
924 rt2500usb_register_write(rt2x00dev, TXRX_CSR21, 0xe78f);
925 rt2500usb_register_write(rt2x00dev, MAC_CSR9, 0xff1d);
926
927 if (rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_AWAKE))
928 return -EBUSY;
929
930 rt2500usb_register_read(rt2x00dev, MAC_CSR1, &reg);
931 rt2x00_set_field16(&reg, MAC_CSR1_SOFT_RESET, 0);
932 rt2x00_set_field16(&reg, MAC_CSR1_BBP_RESET, 0);
933 rt2x00_set_field16(&reg, MAC_CSR1_HOST_READY, 1);
934 rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg);
935
936 if (rt2x00_rev(&rt2x00dev->chip) >= RT2570_VERSION_C) {
937 rt2500usb_register_read(rt2x00dev, PHY_CSR2, &reg);
938 rt2x00_set_field16(&reg, PHY_CSR2_LNA, 0);
939 } else {
940 reg = 0;
941 rt2x00_set_field16(&reg, PHY_CSR2_LNA, 1);
942 rt2x00_set_field16(&reg, PHY_CSR2_LNA_MODE, 3);
943 }
944 rt2500usb_register_write(rt2x00dev, PHY_CSR2, reg);
945
946 rt2500usb_register_write(rt2x00dev, MAC_CSR11, 0x0002);
947 rt2500usb_register_write(rt2x00dev, MAC_CSR22, 0x0053);
948 rt2500usb_register_write(rt2x00dev, MAC_CSR15, 0x01ee);
949 rt2500usb_register_write(rt2x00dev, MAC_CSR16, 0x0000);
950
951 rt2500usb_register_read(rt2x00dev, MAC_CSR8, &reg);
952 rt2x00_set_field16(&reg, MAC_CSR8_MAX_FRAME_UNIT,
953 rt2x00dev->rx->data_size);
954 rt2500usb_register_write(rt2x00dev, MAC_CSR8, reg);
955
956 rt2500usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
957 rt2x00_set_field16(&reg, TXRX_CSR0_IV_OFFSET, IEEE80211_HEADER);
958 rt2x00_set_field16(&reg, TXRX_CSR0_KEY_ID, 0);
959 rt2500usb_register_write(rt2x00dev, TXRX_CSR0, reg);
960
961 rt2500usb_register_read(rt2x00dev, MAC_CSR18, &reg);
962 rt2x00_set_field16(&reg, MAC_CSR18_DELAY_AFTER_BEACON, 90);
963 rt2500usb_register_write(rt2x00dev, MAC_CSR18, reg);
964
965 rt2500usb_register_read(rt2x00dev, PHY_CSR4, &reg);
966 rt2x00_set_field16(&reg, PHY_CSR4_LOW_RF_LE, 1);
967 rt2500usb_register_write(rt2x00dev, PHY_CSR4, reg);
968
969 rt2500usb_register_read(rt2x00dev, TXRX_CSR1, &reg);
970 rt2x00_set_field16(&reg, TXRX_CSR1_AUTO_SEQUENCE, 1);
971 rt2500usb_register_write(rt2x00dev, TXRX_CSR1, reg);
972
973 return 0;
974 }
975
976 static int rt2500usb_wait_bbp_ready(struct rt2x00_dev *rt2x00dev)
977 {
978 unsigned int i;
979 u8 value;
980
981 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
982 rt2500usb_bbp_read(rt2x00dev, 0, &value);
983 if ((value != 0xff) && (value != 0x00))
984 return 0;
985 udelay(REGISTER_BUSY_DELAY);
986 }
987
988 ERROR(rt2x00dev, "BBP register access failed, aborting.\n");
989 return -EACCES;
990 }
991
992 static int rt2500usb_init_bbp(struct rt2x00_dev *rt2x00dev)
993 {
994 unsigned int i;
995 u16 eeprom;
996 u8 value;
997 u8 reg_id;
998
999 if (unlikely(rt2500usb_wait_bbp_ready(rt2x00dev)))
1000 return -EACCES;
1001
1002 rt2500usb_bbp_write(rt2x00dev, 3, 0x02);
1003 rt2500usb_bbp_write(rt2x00dev, 4, 0x19);
1004 rt2500usb_bbp_write(rt2x00dev, 14, 0x1c);
1005 rt2500usb_bbp_write(rt2x00dev, 15, 0x30);
1006 rt2500usb_bbp_write(rt2x00dev, 16, 0xac);
1007 rt2500usb_bbp_write(rt2x00dev, 18, 0x18);
1008 rt2500usb_bbp_write(rt2x00dev, 19, 0xff);
1009 rt2500usb_bbp_write(rt2x00dev, 20, 0x1e);
1010 rt2500usb_bbp_write(rt2x00dev, 21, 0x08);
1011 rt2500usb_bbp_write(rt2x00dev, 22, 0x08);
1012 rt2500usb_bbp_write(rt2x00dev, 23, 0x08);
1013 rt2500usb_bbp_write(rt2x00dev, 24, 0x80);
1014 rt2500usb_bbp_write(rt2x00dev, 25, 0x50);
1015 rt2500usb_bbp_write(rt2x00dev, 26, 0x08);
1016 rt2500usb_bbp_write(rt2x00dev, 27, 0x23);
1017 rt2500usb_bbp_write(rt2x00dev, 30, 0x10);
1018 rt2500usb_bbp_write(rt2x00dev, 31, 0x2b);
1019 rt2500usb_bbp_write(rt2x00dev, 32, 0xb9);
1020 rt2500usb_bbp_write(rt2x00dev, 34, 0x12);
1021 rt2500usb_bbp_write(rt2x00dev, 35, 0x50);
1022 rt2500usb_bbp_write(rt2x00dev, 39, 0xc4);
1023 rt2500usb_bbp_write(rt2x00dev, 40, 0x02);
1024 rt2500usb_bbp_write(rt2x00dev, 41, 0x60);
1025 rt2500usb_bbp_write(rt2x00dev, 53, 0x10);
1026 rt2500usb_bbp_write(rt2x00dev, 54, 0x18);
1027 rt2500usb_bbp_write(rt2x00dev, 56, 0x08);
1028 rt2500usb_bbp_write(rt2x00dev, 57, 0x10);
1029 rt2500usb_bbp_write(rt2x00dev, 58, 0x08);
1030 rt2500usb_bbp_write(rt2x00dev, 61, 0x60);
1031 rt2500usb_bbp_write(rt2x00dev, 62, 0x10);
1032 rt2500usb_bbp_write(rt2x00dev, 75, 0xff);
1033
1034 for (i = 0; i < EEPROM_BBP_SIZE; i++) {
1035 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
1036
1037 if (eeprom != 0xffff && eeprom != 0x0000) {
1038 reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
1039 value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
1040 rt2500usb_bbp_write(rt2x00dev, reg_id, value);
1041 }
1042 }
1043
1044 return 0;
1045 }
1046
1047 /*
1048 * Device state switch handlers.
1049 */
1050 static void rt2500usb_toggle_rx(struct rt2x00_dev *rt2x00dev,
1051 enum dev_state state)
1052 {
1053 u16 reg;
1054
1055 rt2500usb_register_read(rt2x00dev, TXRX_CSR2, &reg);
1056 rt2x00_set_field16(&reg, TXRX_CSR2_DISABLE_RX,
1057 (state == STATE_RADIO_RX_OFF) ||
1058 (state == STATE_RADIO_RX_OFF_LINK));
1059 rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg);
1060 }
1061
1062 static int rt2500usb_enable_radio(struct rt2x00_dev *rt2x00dev)
1063 {
1064 /*
1065 * Initialize all registers.
1066 */
1067 if (unlikely(rt2500usb_init_registers(rt2x00dev) ||
1068 rt2500usb_init_bbp(rt2x00dev)))
1069 return -EIO;
1070
1071 return 0;
1072 }
1073
1074 static void rt2500usb_disable_radio(struct rt2x00_dev *rt2x00dev)
1075 {
1076 rt2500usb_register_write(rt2x00dev, MAC_CSR13, 0x2121);
1077 rt2500usb_register_write(rt2x00dev, MAC_CSR14, 0x2121);
1078
1079 /*
1080 * Disable synchronisation.
1081 */
1082 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0);
1083
1084 rt2x00usb_disable_radio(rt2x00dev);
1085 }
1086
1087 static int rt2500usb_set_state(struct rt2x00_dev *rt2x00dev,
1088 enum dev_state state)
1089 {
1090 u16 reg;
1091 u16 reg2;
1092 unsigned int i;
1093 char put_to_sleep;
1094 char bbp_state;
1095 char rf_state;
1096
1097 put_to_sleep = (state != STATE_AWAKE);
1098
1099 reg = 0;
1100 rt2x00_set_field16(&reg, MAC_CSR17_BBP_DESIRE_STATE, state);
1101 rt2x00_set_field16(&reg, MAC_CSR17_RF_DESIRE_STATE, state);
1102 rt2x00_set_field16(&reg, MAC_CSR17_PUT_TO_SLEEP, put_to_sleep);
1103 rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg);
1104 rt2x00_set_field16(&reg, MAC_CSR17_SET_STATE, 1);
1105 rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg);
1106
1107 /*
1108 * Device is not guaranteed to be in the requested state yet.
1109 * We must wait until the register indicates that the
1110 * device has entered the correct state.
1111 */
1112 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
1113 rt2500usb_register_read(rt2x00dev, MAC_CSR17, &reg2);
1114 bbp_state = rt2x00_get_field16(reg2, MAC_CSR17_BBP_CURR_STATE);
1115 rf_state = rt2x00_get_field16(reg2, MAC_CSR17_RF_CURR_STATE);
1116 if (bbp_state == state && rf_state == state)
1117 return 0;
1118 rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg);
1119 msleep(30);
1120 }
1121
1122 return -EBUSY;
1123 }
1124
1125 static int rt2500usb_set_device_state(struct rt2x00_dev *rt2x00dev,
1126 enum dev_state state)
1127 {
1128 int retval = 0;
1129
1130 switch (state) {
1131 case STATE_RADIO_ON:
1132 retval = rt2500usb_enable_radio(rt2x00dev);
1133 break;
1134 case STATE_RADIO_OFF:
1135 rt2500usb_disable_radio(rt2x00dev);
1136 break;
1137 case STATE_RADIO_RX_ON:
1138 case STATE_RADIO_RX_ON_LINK:
1139 case STATE_RADIO_RX_OFF:
1140 case STATE_RADIO_RX_OFF_LINK:
1141 rt2500usb_toggle_rx(rt2x00dev, state);
1142 break;
1143 case STATE_RADIO_IRQ_ON:
1144 case STATE_RADIO_IRQ_OFF:
1145 /* No support, but no error either */
1146 break;
1147 case STATE_DEEP_SLEEP:
1148 case STATE_SLEEP:
1149 case STATE_STANDBY:
1150 case STATE_AWAKE:
1151 retval = rt2500usb_set_state(rt2x00dev, state);
1152 break;
1153 default:
1154 retval = -ENOTSUPP;
1155 break;
1156 }
1157
1158 if (unlikely(retval))
1159 ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n",
1160 state, retval);
1161
1162 return retval;
1163 }
1164
1165 /*
1166 * TX descriptor initialization
1167 */
1168 static void rt2500usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
1169 struct sk_buff *skb,
1170 struct txentry_desc *txdesc)
1171 {
1172 struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
1173 __le32 *txd = skbdesc->desc;
1174 u32 word;
1175
1176 /*
1177 * Start writing the descriptor words.
1178 */
1179 rt2x00_desc_read(txd, 1, &word);
1180 rt2x00_set_field32(&word, TXD_W1_IV_OFFSET, txdesc->iv_offset);
1181 rt2x00_set_field32(&word, TXD_W1_AIFS, txdesc->aifs);
1182 rt2x00_set_field32(&word, TXD_W1_CWMIN, txdesc->cw_min);
1183 rt2x00_set_field32(&word, TXD_W1_CWMAX, txdesc->cw_max);
1184 rt2x00_desc_write(txd, 1, word);
1185
1186 rt2x00_desc_read(txd, 2, &word);
1187 rt2x00_set_field32(&word, TXD_W2_PLCP_SIGNAL, txdesc->signal);
1188 rt2x00_set_field32(&word, TXD_W2_PLCP_SERVICE, txdesc->service);
1189 rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_LOW, txdesc->length_low);
1190 rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_HIGH, txdesc->length_high);
1191 rt2x00_desc_write(txd, 2, word);
1192
1193 if (test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags)) {
1194 _rt2x00_desc_write(txd, 3, skbdesc->iv[0]);
1195 _rt2x00_desc_write(txd, 4, skbdesc->iv[1]);
1196 }
1197
1198 rt2x00_desc_read(txd, 0, &word);
1199 rt2x00_set_field32(&word, TXD_W0_RETRY_LIMIT, txdesc->retry_limit);
1200 rt2x00_set_field32(&word, TXD_W0_MORE_FRAG,
1201 test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
1202 rt2x00_set_field32(&word, TXD_W0_ACK,
1203 test_bit(ENTRY_TXD_ACK, &txdesc->flags));
1204 rt2x00_set_field32(&word, TXD_W0_TIMESTAMP,
1205 test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
1206 rt2x00_set_field32(&word, TXD_W0_OFDM,
1207 test_bit(ENTRY_TXD_OFDM_RATE, &txdesc->flags));
1208 rt2x00_set_field32(&word, TXD_W0_NEW_SEQ,
1209 test_bit(ENTRY_TXD_FIRST_FRAGMENT, &txdesc->flags));
1210 rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs);
1211 rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, skb->len);
1212 rt2x00_set_field32(&word, TXD_W0_CIPHER, !!txdesc->cipher);
1213 rt2x00_set_field32(&word, TXD_W0_KEY_ID, txdesc->key_idx);
1214 rt2x00_desc_write(txd, 0, word);
1215 }
1216
1217 /*
1218 * TX data initialization
1219 */
1220 static void rt2500usb_beacondone(struct urb *urb);
1221
1222 static void rt2500usb_write_beacon(struct queue_entry *entry)
1223 {
1224 struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
1225 struct usb_device *usb_dev = to_usb_device_intf(rt2x00dev->dev);
1226 struct queue_entry_priv_usb_bcn *bcn_priv = entry->priv_data;
1227 struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
1228 int pipe = usb_sndbulkpipe(usb_dev, entry->queue->usb_endpoint);
1229 int length;
1230 u16 reg;
1231
1232 /*
1233 * Add the descriptor in front of the skb.
1234 */
1235 skb_push(entry->skb, entry->queue->desc_size);
1236 memcpy(entry->skb->data, skbdesc->desc, skbdesc->desc_len);
1237 skbdesc->desc = entry->skb->data;
1238
1239 /*
1240 * Disable beaconing while we are reloading the beacon data,
1241 * otherwise we might be sending out invalid data.
1242 */
1243 rt2500usb_register_read(rt2x00dev, TXRX_CSR19, &reg);
1244 rt2x00_set_field16(&reg, TXRX_CSR19_TSF_COUNT, 0);
1245 rt2x00_set_field16(&reg, TXRX_CSR19_TBCN, 0);
1246 rt2x00_set_field16(&reg, TXRX_CSR19_BEACON_GEN, 0);
1247 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
1248
1249 /*
1250 * USB devices cannot blindly pass the skb->len as the
1251 * length of the data to usb_fill_bulk_urb. Pass the skb
1252 * to the driver to determine what the length should be.
1253 */
1254 length = rt2x00dev->ops->lib->get_tx_data_len(entry);
1255
1256 usb_fill_bulk_urb(bcn_priv->urb, usb_dev, pipe,
1257 entry->skb->data, length, rt2500usb_beacondone,
1258 entry);
1259
1260 /*
1261 * Second we need to create the guardian byte.
1262 * We only need a single byte, so lets recycle
1263 * the 'flags' field we are not using for beacons.
1264 */
1265 bcn_priv->guardian_data = 0;
1266 usb_fill_bulk_urb(bcn_priv->guardian_urb, usb_dev, pipe,
1267 &bcn_priv->guardian_data, 1, rt2500usb_beacondone,
1268 entry);
1269
1270 /*
1271 * Send out the guardian byte.
1272 */
1273 usb_submit_urb(bcn_priv->guardian_urb, GFP_ATOMIC);
1274 }
1275
1276 static int rt2500usb_get_tx_data_len(struct queue_entry *entry)
1277 {
1278 int length;
1279
1280 /*
1281 * The length _must_ be a multiple of 2,
1282 * but it must _not_ be a multiple of the USB packet size.
1283 */
1284 length = roundup(entry->skb->len, 2);
1285 length += (2 * !(length % entry->queue->usb_maxpacket));
1286
1287 return length;
1288 }
1289
1290 static void rt2500usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
1291 const enum data_queue_qid queue)
1292 {
1293 u16 reg;
1294
1295 if (queue != QID_BEACON) {
1296 rt2x00usb_kick_tx_queue(rt2x00dev, queue);
1297 return;
1298 }
1299
1300 rt2500usb_register_read(rt2x00dev, TXRX_CSR19, &reg);
1301 if (!rt2x00_get_field16(reg, TXRX_CSR19_BEACON_GEN)) {
1302 rt2x00_set_field16(&reg, TXRX_CSR19_TSF_COUNT, 1);
1303 rt2x00_set_field16(&reg, TXRX_CSR19_TBCN, 1);
1304 rt2x00_set_field16(&reg, TXRX_CSR19_BEACON_GEN, 1);
1305 /*
1306 * Beacon generation will fail initially.
1307 * To prevent this we need to register the TXRX_CSR19
1308 * register several times.
1309 */
1310 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
1311 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0);
1312 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
1313 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0);
1314 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
1315 }
1316 }
1317
1318 /*
1319 * RX control handlers
1320 */
1321 static void rt2500usb_fill_rxdone(struct queue_entry *entry,
1322 struct rxdone_entry_desc *rxdesc)
1323 {
1324 struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
1325 struct queue_entry_priv_usb *entry_priv = entry->priv_data;
1326 struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
1327 __le32 *rxd =
1328 (__le32 *)(entry->skb->data +
1329 (entry_priv->urb->actual_length -
1330 entry->queue->desc_size));
1331 u32 word0;
1332 u32 word1;
1333
1334 /*
1335 * Copy descriptor to the skbdesc->desc buffer, making it safe from moving of
1336 * frame data in rt2x00usb.
1337 */
1338 memcpy(skbdesc->desc, rxd, skbdesc->desc_len);
1339 rxd = (__le32 *)skbdesc->desc;
1340
1341 /*
1342 * It is now safe to read the descriptor on all architectures.
1343 */
1344 rt2x00_desc_read(rxd, 0, &word0);
1345 rt2x00_desc_read(rxd, 1, &word1);
1346
1347 if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR))
1348 rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
1349 if (rt2x00_get_field32(word0, RXD_W0_PHYSICAL_ERROR))
1350 rxdesc->flags |= RX_FLAG_FAILED_PLCP_CRC;
1351
1352 if (test_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags)) {
1353 rxdesc->cipher = rt2x00_get_field32(word0, RXD_W0_CIPHER);
1354 if (rt2x00_get_field32(word0, RXD_W0_CIPHER_ERROR))
1355 rxdesc->cipher_status = RX_CRYPTO_FAIL_KEY;
1356 }
1357
1358 if (rxdesc->cipher != CIPHER_NONE) {
1359 _rt2x00_desc_read(rxd, 2, &rxdesc->iv[0]);
1360 _rt2x00_desc_read(rxd, 3, &rxdesc->iv[1]);
1361 rxdesc->dev_flags |= RXDONE_CRYPTO_IV;
1362
1363 /* ICV is located at the end of frame */
1364
1365 rxdesc->flags |= RX_FLAG_MMIC_STRIPPED;
1366 if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS)
1367 rxdesc->flags |= RX_FLAG_DECRYPTED;
1368 else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC)
1369 rxdesc->flags |= RX_FLAG_MMIC_ERROR;
1370 }
1371
1372 /*
1373 * Obtain the status about this packet.
1374 * When frame was received with an OFDM bitrate,
1375 * the signal is the PLCP value. If it was received with
1376 * a CCK bitrate the signal is the rate in 100kbit/s.
1377 */
1378 rxdesc->signal = rt2x00_get_field32(word1, RXD_W1_SIGNAL);
1379 rxdesc->rssi =
1380 rt2x00_get_field32(word1, RXD_W1_RSSI) - rt2x00dev->rssi_offset;
1381 rxdesc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT);
1382
1383 if (rt2x00_get_field32(word0, RXD_W0_OFDM))
1384 rxdesc->dev_flags |= RXDONE_SIGNAL_PLCP;
1385 else
1386 rxdesc->dev_flags |= RXDONE_SIGNAL_BITRATE;
1387 if (rt2x00_get_field32(word0, RXD_W0_MY_BSS))
1388 rxdesc->dev_flags |= RXDONE_MY_BSS;
1389
1390 /*
1391 * Adjust the skb memory window to the frame boundaries.
1392 */
1393 skb_trim(entry->skb, rxdesc->size);
1394 }
1395
1396 /*
1397 * Interrupt functions.
1398 */
1399 static void rt2500usb_beacondone(struct urb *urb)
1400 {
1401 struct queue_entry *entry = (struct queue_entry *)urb->context;
1402 struct queue_entry_priv_usb_bcn *bcn_priv = entry->priv_data;
1403
1404 if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &entry->queue->rt2x00dev->flags))
1405 return;
1406
1407 /*
1408 * Check if this was the guardian beacon,
1409 * if that was the case we need to send the real beacon now.
1410 * Otherwise we should free the sk_buffer, the device
1411 * should be doing the rest of the work now.
1412 */
1413 if (bcn_priv->guardian_urb == urb) {
1414 usb_submit_urb(bcn_priv->urb, GFP_ATOMIC);
1415 } else if (bcn_priv->urb == urb) {
1416 dev_kfree_skb(entry->skb);
1417 entry->skb = NULL;
1418 }
1419 }
1420
1421 /*
1422 * Device probe functions.
1423 */
1424 static int rt2500usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
1425 {
1426 u16 word;
1427 u8 *mac;
1428 u8 bbp;
1429
1430 rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom, EEPROM_SIZE);
1431
1432 /*
1433 * Start validation of the data that has been read.
1434 */
1435 mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
1436 if (!is_valid_ether_addr(mac)) {
1437 random_ether_addr(mac);
1438 EEPROM(rt2x00dev, "MAC: %pM\n", mac);
1439 }
1440
1441 rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
1442 if (word == 0xffff) {
1443 rt2x00_set_field16(&word, EEPROM_ANTENNA_NUM, 2);
1444 rt2x00_set_field16(&word, EEPROM_ANTENNA_TX_DEFAULT,
1445 ANTENNA_SW_DIVERSITY);
1446 rt2x00_set_field16(&word, EEPROM_ANTENNA_RX_DEFAULT,
1447 ANTENNA_SW_DIVERSITY);
1448 rt2x00_set_field16(&word, EEPROM_ANTENNA_LED_MODE,
1449 LED_MODE_DEFAULT);
1450 rt2x00_set_field16(&word, EEPROM_ANTENNA_DYN_TXAGC, 0);
1451 rt2x00_set_field16(&word, EEPROM_ANTENNA_HARDWARE_RADIO, 0);
1452 rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF2522);
1453 rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
1454 EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word);
1455 }
1456
1457 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word);
1458 if (word == 0xffff) {
1459 rt2x00_set_field16(&word, EEPROM_NIC_CARDBUS_ACCEL, 0);
1460 rt2x00_set_field16(&word, EEPROM_NIC_DYN_BBP_TUNE, 0);
1461 rt2x00_set_field16(&word, EEPROM_NIC_CCK_TX_POWER, 0);
1462 rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word);
1463 EEPROM(rt2x00dev, "NIC: 0x%04x\n", word);
1464 }
1465
1466 rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &word);
1467 if (word == 0xffff) {
1468 rt2x00_set_field16(&word, EEPROM_CALIBRATE_OFFSET_RSSI,
1469 DEFAULT_RSSI_OFFSET);
1470 rt2x00_eeprom_write(rt2x00dev, EEPROM_CALIBRATE_OFFSET, word);
1471 EEPROM(rt2x00dev, "Calibrate offset: 0x%04x\n", word);
1472 }
1473
1474 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE, &word);
1475 if (word == 0xffff) {
1476 rt2x00_set_field16(&word, EEPROM_BBPTUNE_THRESHOLD, 45);
1477 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE, word);
1478 EEPROM(rt2x00dev, "BBPtune: 0x%04x\n", word);
1479 }
1480
1481 /*
1482 * Switch lower vgc bound to current BBP R17 value,
1483 * lower the value a bit for better quality.
1484 */
1485 rt2500usb_bbp_read(rt2x00dev, 17, &bbp);
1486 bbp -= 6;
1487
1488 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &word);
1489 if (word == 0xffff) {
1490 rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCUPPER, 0x40);
1491 rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCLOWER, bbp);
1492 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_VGC, word);
1493 EEPROM(rt2x00dev, "BBPtune vgc: 0x%04x\n", word);
1494 } else {
1495 rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCLOWER, bbp);
1496 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_VGC, word);
1497 }
1498
1499 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R17, &word);
1500 if (word == 0xffff) {
1501 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R17_LOW, 0x48);
1502 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R17_HIGH, 0x41);
1503 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R17, word);
1504 EEPROM(rt2x00dev, "BBPtune r17: 0x%04x\n", word);
1505 }
1506
1507 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &word);
1508 if (word == 0xffff) {
1509 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R24_LOW, 0x40);
1510 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R24_HIGH, 0x80);
1511 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R24, word);
1512 EEPROM(rt2x00dev, "BBPtune r24: 0x%04x\n", word);
1513 }
1514
1515 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &word);
1516 if (word == 0xffff) {
1517 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R25_LOW, 0x40);
1518 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R25_HIGH, 0x50);
1519 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R25, word);
1520 EEPROM(rt2x00dev, "BBPtune r25: 0x%04x\n", word);
1521 }
1522
1523 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &word);
1524 if (word == 0xffff) {
1525 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R61_LOW, 0x60);
1526 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R61_HIGH, 0x6d);
1527 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R61, word);
1528 EEPROM(rt2x00dev, "BBPtune r61: 0x%04x\n", word);
1529 }
1530
1531 return 0;
1532 }
1533
1534 static int rt2500usb_init_eeprom(struct rt2x00_dev *rt2x00dev)
1535 {
1536 u16 reg;
1537 u16 value;
1538 u16 eeprom;
1539
1540 /*
1541 * Read EEPROM word for configuration.
1542 */
1543 rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
1544
1545 /*
1546 * Identify RF chipset.
1547 */
1548 value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
1549 rt2500usb_register_read(rt2x00dev, MAC_CSR0, &reg);
1550 rt2x00_set_chip(rt2x00dev, RT2570, value, reg);
1551
1552 if (!rt2x00_check_rev(&rt2x00dev->chip, 0)) {
1553 ERROR(rt2x00dev, "Invalid RT chipset detected.\n");
1554 return -ENODEV;
1555 }
1556
1557 if (!rt2x00_rf(&rt2x00dev->chip, RF2522) &&
1558 !rt2x00_rf(&rt2x00dev->chip, RF2523) &&
1559 !rt2x00_rf(&rt2x00dev->chip, RF2524) &&
1560 !rt2x00_rf(&rt2x00dev->chip, RF2525) &&
1561 !rt2x00_rf(&rt2x00dev->chip, RF2525E) &&
1562 !rt2x00_rf(&rt2x00dev->chip, RF5222)) {
1563 ERROR(rt2x00dev, "Invalid RF chipset detected.\n");
1564 return -ENODEV;
1565 }
1566
1567 /*
1568 * Identify default antenna configuration.
1569 */
1570 rt2x00dev->default_ant.tx =
1571 rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TX_DEFAULT);
1572 rt2x00dev->default_ant.rx =
1573 rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_DEFAULT);
1574
1575 /*
1576 * When the eeprom indicates SW_DIVERSITY use HW_DIVERSITY instead.
1577 * I am not 100% sure about this, but the legacy drivers do not
1578 * indicate antenna swapping in software is required when
1579 * diversity is enabled.
1580 */
1581 if (rt2x00dev->default_ant.tx == ANTENNA_SW_DIVERSITY)
1582 rt2x00dev->default_ant.tx = ANTENNA_HW_DIVERSITY;
1583 if (rt2x00dev->default_ant.rx == ANTENNA_SW_DIVERSITY)
1584 rt2x00dev->default_ant.rx = ANTENNA_HW_DIVERSITY;
1585
1586 /*
1587 * Store led mode, for correct led behaviour.
1588 */
1589 #ifdef CONFIG_RT2X00_LIB_LEDS
1590 value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_LED_MODE);
1591
1592 rt2500usb_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO);
1593 if (value == LED_MODE_TXRX_ACTIVITY)
1594 rt2500usb_init_led(rt2x00dev, &rt2x00dev->led_qual,
1595 LED_TYPE_ACTIVITY);
1596 #endif /* CONFIG_RT2X00_LIB_LEDS */
1597
1598 /*
1599 * Check if the BBP tuning should be disabled.
1600 */
1601 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom);
1602 if (rt2x00_get_field16(eeprom, EEPROM_NIC_DYN_BBP_TUNE))
1603 __set_bit(CONFIG_DISABLE_LINK_TUNING, &rt2x00dev->flags);
1604
1605 /*
1606 * Read the RSSI <-> dBm offset information.
1607 */
1608 rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &eeprom);
1609 rt2x00dev->rssi_offset =
1610 rt2x00_get_field16(eeprom, EEPROM_CALIBRATE_OFFSET_RSSI);
1611
1612 return 0;
1613 }
1614
1615 /*
1616 * RF value list for RF2522
1617 * Supports: 2.4 GHz
1618 */
1619 static const struct rf_channel rf_vals_bg_2522[] = {
1620 { 1, 0x00002050, 0x000c1fda, 0x00000101, 0 },
1621 { 2, 0x00002050, 0x000c1fee, 0x00000101, 0 },
1622 { 3, 0x00002050, 0x000c2002, 0x00000101, 0 },
1623 { 4, 0x00002050, 0x000c2016, 0x00000101, 0 },
1624 { 5, 0x00002050, 0x000c202a, 0x00000101, 0 },
1625 { 6, 0x00002050, 0x000c203e, 0x00000101, 0 },
1626 { 7, 0x00002050, 0x000c2052, 0x00000101, 0 },
1627 { 8, 0x00002050, 0x000c2066, 0x00000101, 0 },
1628 { 9, 0x00002050, 0x000c207a, 0x00000101, 0 },
1629 { 10, 0x00002050, 0x000c208e, 0x00000101, 0 },
1630 { 11, 0x00002050, 0x000c20a2, 0x00000101, 0 },
1631 { 12, 0x00002050, 0x000c20b6, 0x00000101, 0 },
1632 { 13, 0x00002050, 0x000c20ca, 0x00000101, 0 },
1633 { 14, 0x00002050, 0x000c20fa, 0x00000101, 0 },
1634 };
1635
1636 /*
1637 * RF value list for RF2523
1638 * Supports: 2.4 GHz
1639 */
1640 static const struct rf_channel rf_vals_bg_2523[] = {
1641 { 1, 0x00022010, 0x00000c9e, 0x000e0111, 0x00000a1b },
1642 { 2, 0x00022010, 0x00000ca2, 0x000e0111, 0x00000a1b },
1643 { 3, 0x00022010, 0x00000ca6, 0x000e0111, 0x00000a1b },
1644 { 4, 0x00022010, 0x00000caa, 0x000e0111, 0x00000a1b },
1645 { 5, 0x00022010, 0x00000cae, 0x000e0111, 0x00000a1b },
1646 { 6, 0x00022010, 0x00000cb2, 0x000e0111, 0x00000a1b },
1647 { 7, 0x00022010, 0x00000cb6, 0x000e0111, 0x00000a1b },
1648 { 8, 0x00022010, 0x00000cba, 0x000e0111, 0x00000a1b },
1649 { 9, 0x00022010, 0x00000cbe, 0x000e0111, 0x00000a1b },
1650 { 10, 0x00022010, 0x00000d02, 0x000e0111, 0x00000a1b },
1651 { 11, 0x00022010, 0x00000d06, 0x000e0111, 0x00000a1b },
1652 { 12, 0x00022010, 0x00000d0a, 0x000e0111, 0x00000a1b },
1653 { 13, 0x00022010, 0x00000d0e, 0x000e0111, 0x00000a1b },
1654 { 14, 0x00022010, 0x00000d1a, 0x000e0111, 0x00000a03 },
1655 };
1656
1657 /*
1658 * RF value list for RF2524
1659 * Supports: 2.4 GHz
1660 */
1661 static const struct rf_channel rf_vals_bg_2524[] = {
1662 { 1, 0x00032020, 0x00000c9e, 0x00000101, 0x00000a1b },
1663 { 2, 0x00032020, 0x00000ca2, 0x00000101, 0x00000a1b },
1664 { 3, 0x00032020, 0x00000ca6, 0x00000101, 0x00000a1b },
1665 { 4, 0x00032020, 0x00000caa, 0x00000101, 0x00000a1b },
1666 { 5, 0x00032020, 0x00000cae, 0x00000101, 0x00000a1b },
1667 { 6, 0x00032020, 0x00000cb2, 0x00000101, 0x00000a1b },
1668 { 7, 0x00032020, 0x00000cb6, 0x00000101, 0x00000a1b },
1669 { 8, 0x00032020, 0x00000cba, 0x00000101, 0x00000a1b },
1670 { 9, 0x00032020, 0x00000cbe, 0x00000101, 0x00000a1b },
1671 { 10, 0x00032020, 0x00000d02, 0x00000101, 0x00000a1b },
1672 { 11, 0x00032020, 0x00000d06, 0x00000101, 0x00000a1b },
1673 { 12, 0x00032020, 0x00000d0a, 0x00000101, 0x00000a1b },
1674 { 13, 0x00032020, 0x00000d0e, 0x00000101, 0x00000a1b },
1675 { 14, 0x00032020, 0x00000d1a, 0x00000101, 0x00000a03 },
1676 };
1677
1678 /*
1679 * RF value list for RF2525
1680 * Supports: 2.4 GHz
1681 */
1682 static const struct rf_channel rf_vals_bg_2525[] = {
1683 { 1, 0x00022020, 0x00080c9e, 0x00060111, 0x00000a1b },
1684 { 2, 0x00022020, 0x00080ca2, 0x00060111, 0x00000a1b },
1685 { 3, 0x00022020, 0x00080ca6, 0x00060111, 0x00000a1b },
1686 { 4, 0x00022020, 0x00080caa, 0x00060111, 0x00000a1b },
1687 { 5, 0x00022020, 0x00080cae, 0x00060111, 0x00000a1b },
1688 { 6, 0x00022020, 0x00080cb2, 0x00060111, 0x00000a1b },
1689 { 7, 0x00022020, 0x00080cb6, 0x00060111, 0x00000a1b },
1690 { 8, 0x00022020, 0x00080cba, 0x00060111, 0x00000a1b },
1691 { 9, 0x00022020, 0x00080cbe, 0x00060111, 0x00000a1b },
1692 { 10, 0x00022020, 0x00080d02, 0x00060111, 0x00000a1b },
1693 { 11, 0x00022020, 0x00080d06, 0x00060111, 0x00000a1b },
1694 { 12, 0x00022020, 0x00080d0a, 0x00060111, 0x00000a1b },
1695 { 13, 0x00022020, 0x00080d0e, 0x00060111, 0x00000a1b },
1696 { 14, 0x00022020, 0x00080d1a, 0x00060111, 0x00000a03 },
1697 };
1698
1699 /*
1700 * RF value list for RF2525e
1701 * Supports: 2.4 GHz
1702 */
1703 static const struct rf_channel rf_vals_bg_2525e[] = {
1704 { 1, 0x00022010, 0x0000089a, 0x00060111, 0x00000e1b },
1705 { 2, 0x00022010, 0x0000089e, 0x00060111, 0x00000e07 },
1706 { 3, 0x00022010, 0x0000089e, 0x00060111, 0x00000e1b },
1707 { 4, 0x00022010, 0x000008a2, 0x00060111, 0x00000e07 },
1708 { 5, 0x00022010, 0x000008a2, 0x00060111, 0x00000e1b },
1709 { 6, 0x00022010, 0x000008a6, 0x00060111, 0x00000e07 },
1710 { 7, 0x00022010, 0x000008a6, 0x00060111, 0x00000e1b },
1711 { 8, 0x00022010, 0x000008aa, 0x00060111, 0x00000e07 },
1712 { 9, 0x00022010, 0x000008aa, 0x00060111, 0x00000e1b },
1713 { 10, 0x00022010, 0x000008ae, 0x00060111, 0x00000e07 },
1714 { 11, 0x00022010, 0x000008ae, 0x00060111, 0x00000e1b },
1715 { 12, 0x00022010, 0x000008b2, 0x00060111, 0x00000e07 },
1716 { 13, 0x00022010, 0x000008b2, 0x00060111, 0x00000e1b },
1717 { 14, 0x00022010, 0x000008b6, 0x00060111, 0x00000e23 },
1718 };
1719
1720 /*
1721 * RF value list for RF5222
1722 * Supports: 2.4 GHz & 5.2 GHz
1723 */
1724 static const struct rf_channel rf_vals_5222[] = {
1725 { 1, 0x00022020, 0x00001136, 0x00000101, 0x00000a0b },
1726 { 2, 0x00022020, 0x0000113a, 0x00000101, 0x00000a0b },
1727 { 3, 0x00022020, 0x0000113e, 0x00000101, 0x00000a0b },
1728 { 4, 0x00022020, 0x00001182, 0x00000101, 0x00000a0b },
1729 { 5, 0x00022020, 0x00001186, 0x00000101, 0x00000a0b },
1730 { 6, 0x00022020, 0x0000118a, 0x00000101, 0x00000a0b },
1731 { 7, 0x00022020, 0x0000118e, 0x00000101, 0x00000a0b },
1732 { 8, 0x00022020, 0x00001192, 0x00000101, 0x00000a0b },
1733 { 9, 0x00022020, 0x00001196, 0x00000101, 0x00000a0b },
1734 { 10, 0x00022020, 0x0000119a, 0x00000101, 0x00000a0b },
1735 { 11, 0x00022020, 0x0000119e, 0x00000101, 0x00000a0b },
1736 { 12, 0x00022020, 0x000011a2, 0x00000101, 0x00000a0b },
1737 { 13, 0x00022020, 0x000011a6, 0x00000101, 0x00000a0b },
1738 { 14, 0x00022020, 0x000011ae, 0x00000101, 0x00000a1b },
1739
1740 /* 802.11 UNI / HyperLan 2 */
1741 { 36, 0x00022010, 0x00018896, 0x00000101, 0x00000a1f },
1742 { 40, 0x00022010, 0x0001889a, 0x00000101, 0x00000a1f },
1743 { 44, 0x00022010, 0x0001889e, 0x00000101, 0x00000a1f },
1744 { 48, 0x00022010, 0x000188a2, 0x00000101, 0x00000a1f },
1745 { 52, 0x00022010, 0x000188a6, 0x00000101, 0x00000a1f },
1746 { 66, 0x00022010, 0x000188aa, 0x00000101, 0x00000a1f },
1747 { 60, 0x00022010, 0x000188ae, 0x00000101, 0x00000a1f },
1748 { 64, 0x00022010, 0x000188b2, 0x00000101, 0x00000a1f },
1749
1750 /* 802.11 HyperLan 2 */
1751 { 100, 0x00022010, 0x00008802, 0x00000101, 0x00000a0f },
1752 { 104, 0x00022010, 0x00008806, 0x00000101, 0x00000a0f },
1753 { 108, 0x00022010, 0x0000880a, 0x00000101, 0x00000a0f },
1754 { 112, 0x00022010, 0x0000880e, 0x00000101, 0x00000a0f },
1755 { 116, 0x00022010, 0x00008812, 0x00000101, 0x00000a0f },
1756 { 120, 0x00022010, 0x00008816, 0x00000101, 0x00000a0f },
1757 { 124, 0x00022010, 0x0000881a, 0x00000101, 0x00000a0f },
1758 { 128, 0x00022010, 0x0000881e, 0x00000101, 0x00000a0f },
1759 { 132, 0x00022010, 0x00008822, 0x00000101, 0x00000a0f },
1760 { 136, 0x00022010, 0x00008826, 0x00000101, 0x00000a0f },
1761
1762 /* 802.11 UNII */
1763 { 140, 0x00022010, 0x0000882a, 0x00000101, 0x00000a0f },
1764 { 149, 0x00022020, 0x000090a6, 0x00000101, 0x00000a07 },
1765 { 153, 0x00022020, 0x000090ae, 0x00000101, 0x00000a07 },
1766 { 157, 0x00022020, 0x000090b6, 0x00000101, 0x00000a07 },
1767 { 161, 0x00022020, 0x000090be, 0x00000101, 0x00000a07 },
1768 };
1769
1770 static int rt2500usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
1771 {
1772 struct hw_mode_spec *spec = &rt2x00dev->spec;
1773 struct channel_info *info;
1774 char *tx_power;
1775 unsigned int i;
1776
1777 /*
1778 * Initialize all hw fields.
1779 */
1780 rt2x00dev->hw->flags =
1781 IEEE80211_HW_RX_INCLUDES_FCS |
1782 IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
1783 IEEE80211_HW_SIGNAL_DBM;
1784
1785 rt2x00dev->hw->extra_tx_headroom = TXD_DESC_SIZE;
1786
1787 SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
1788 SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
1789 rt2x00_eeprom_addr(rt2x00dev,
1790 EEPROM_MAC_ADDR_0));
1791
1792 /*
1793 * Initialize hw_mode information.
1794 */
1795 spec->supported_bands = SUPPORT_BAND_2GHZ;
1796 spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
1797
1798 if (rt2x00_rf(&rt2x00dev->chip, RF2522)) {
1799 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2522);
1800 spec->channels = rf_vals_bg_2522;
1801 } else if (rt2x00_rf(&rt2x00dev->chip, RF2523)) {
1802 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2523);
1803 spec->channels = rf_vals_bg_2523;
1804 } else if (rt2x00_rf(&rt2x00dev->chip, RF2524)) {
1805 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2524);
1806 spec->channels = rf_vals_bg_2524;
1807 } else if (rt2x00_rf(&rt2x00dev->chip, RF2525)) {
1808 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525);
1809 spec->channels = rf_vals_bg_2525;
1810 } else if (rt2x00_rf(&rt2x00dev->chip, RF2525E)) {
1811 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525e);
1812 spec->channels = rf_vals_bg_2525e;
1813 } else if (rt2x00_rf(&rt2x00dev->chip, RF5222)) {
1814 spec->supported_bands |= SUPPORT_BAND_5GHZ;
1815 spec->num_channels = ARRAY_SIZE(rf_vals_5222);
1816 spec->channels = rf_vals_5222;
1817 }
1818
1819 /*
1820 * Create channel information array
1821 */
1822 info = kzalloc(spec->num_channels * sizeof(*info), GFP_KERNEL);
1823 if (!info)
1824 return -ENOMEM;
1825
1826 spec->channels_info = info;
1827
1828 tx_power = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_START);
1829 for (i = 0; i < 14; i++)
1830 info[i].tx_power1 = TXPOWER_FROM_DEV(tx_power[i]);
1831
1832 if (spec->num_channels > 14) {
1833 for (i = 14; i < spec->num_channels; i++)
1834 info[i].tx_power1 = DEFAULT_TXPOWER;
1835 }
1836
1837 return 0;
1838 }
1839
1840 static int rt2500usb_probe_hw(struct rt2x00_dev *rt2x00dev)
1841 {
1842 int retval;
1843
1844 /*
1845 * Allocate eeprom data.
1846 */
1847 retval = rt2500usb_validate_eeprom(rt2x00dev);
1848 if (retval)
1849 return retval;
1850
1851 retval = rt2500usb_init_eeprom(rt2x00dev);
1852 if (retval)
1853 return retval;
1854
1855 /*
1856 * Initialize hw specifications.
1857 */
1858 retval = rt2500usb_probe_hw_mode(rt2x00dev);
1859 if (retval)
1860 return retval;
1861
1862 /*
1863 * This device requires the atim queue
1864 */
1865 __set_bit(DRIVER_REQUIRE_ATIM_QUEUE, &rt2x00dev->flags);
1866 __set_bit(DRIVER_REQUIRE_BEACON_GUARD, &rt2x00dev->flags);
1867 __set_bit(DRIVER_REQUIRE_SCHEDULED, &rt2x00dev->flags);
1868 if (!modparam_nohwcrypt) {
1869 __set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags);
1870 __set_bit(CONFIG_CRYPTO_COPY_IV, &rt2x00dev->flags);
1871 }
1872 __set_bit(CONFIG_DISABLE_LINK_TUNING, &rt2x00dev->flags);
1873
1874 /*
1875 * Set the rssi offset.
1876 */
1877 rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
1878
1879 return 0;
1880 }
1881
1882 static const struct ieee80211_ops rt2500usb_mac80211_ops = {
1883 .tx = rt2x00mac_tx,
1884 .start = rt2x00mac_start,
1885 .stop = rt2x00mac_stop,
1886 .add_interface = rt2x00mac_add_interface,
1887 .remove_interface = rt2x00mac_remove_interface,
1888 .config = rt2x00mac_config,
1889 .config_interface = rt2x00mac_config_interface,
1890 .configure_filter = rt2x00mac_configure_filter,
1891 .set_key = rt2x00mac_set_key,
1892 .get_stats = rt2x00mac_get_stats,
1893 .bss_info_changed = rt2x00mac_bss_info_changed,
1894 .conf_tx = rt2x00mac_conf_tx,
1895 .get_tx_stats = rt2x00mac_get_tx_stats,
1896 };
1897
1898 static const struct rt2x00lib_ops rt2500usb_rt2x00_ops = {
1899 .probe_hw = rt2500usb_probe_hw,
1900 .initialize = rt2x00usb_initialize,
1901 .uninitialize = rt2x00usb_uninitialize,
1902 .clear_entry = rt2x00usb_clear_entry,
1903 .set_device_state = rt2500usb_set_device_state,
1904 .link_stats = rt2500usb_link_stats,
1905 .reset_tuner = rt2500usb_reset_tuner,
1906 .link_tuner = rt2500usb_link_tuner,
1907 .write_tx_desc = rt2500usb_write_tx_desc,
1908 .write_tx_data = rt2x00usb_write_tx_data,
1909 .write_beacon = rt2500usb_write_beacon,
1910 .get_tx_data_len = rt2500usb_get_tx_data_len,
1911 .kick_tx_queue = rt2500usb_kick_tx_queue,
1912 .fill_rxdone = rt2500usb_fill_rxdone,
1913 .config_shared_key = rt2500usb_config_key,
1914 .config_pairwise_key = rt2500usb_config_key,
1915 .config_filter = rt2500usb_config_filter,
1916 .config_intf = rt2500usb_config_intf,
1917 .config_erp = rt2500usb_config_erp,
1918 .config_ant = rt2500usb_config_ant,
1919 .config = rt2500usb_config,
1920 };
1921
1922 static const struct data_queue_desc rt2500usb_queue_rx = {
1923 .entry_num = RX_ENTRIES,
1924 .data_size = DATA_FRAME_SIZE,
1925 .desc_size = RXD_DESC_SIZE,
1926 .priv_size = sizeof(struct queue_entry_priv_usb),
1927 };
1928
1929 static const struct data_queue_desc rt2500usb_queue_tx = {
1930 .entry_num = TX_ENTRIES,
1931 .data_size = DATA_FRAME_SIZE,
1932 .desc_size = TXD_DESC_SIZE,
1933 .priv_size = sizeof(struct queue_entry_priv_usb),
1934 };
1935
1936 static const struct data_queue_desc rt2500usb_queue_bcn = {
1937 .entry_num = BEACON_ENTRIES,
1938 .data_size = MGMT_FRAME_SIZE,
1939 .desc_size = TXD_DESC_SIZE,
1940 .priv_size = sizeof(struct queue_entry_priv_usb_bcn),
1941 };
1942
1943 static const struct data_queue_desc rt2500usb_queue_atim = {
1944 .entry_num = ATIM_ENTRIES,
1945 .data_size = DATA_FRAME_SIZE,
1946 .desc_size = TXD_DESC_SIZE,
1947 .priv_size = sizeof(struct queue_entry_priv_usb),
1948 };
1949
1950 static const struct rt2x00_ops rt2500usb_ops = {
1951 .name = KBUILD_MODNAME,
1952 .max_sta_intf = 1,
1953 .max_ap_intf = 1,
1954 .eeprom_size = EEPROM_SIZE,
1955 .rf_size = RF_SIZE,
1956 .tx_queues = NUM_TX_QUEUES,
1957 .rx = &rt2500usb_queue_rx,
1958 .tx = &rt2500usb_queue_tx,
1959 .bcn = &rt2500usb_queue_bcn,
1960 .atim = &rt2500usb_queue_atim,
1961 .lib = &rt2500usb_rt2x00_ops,
1962 .hw = &rt2500usb_mac80211_ops,
1963 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
1964 .debugfs = &rt2500usb_rt2x00debug,
1965 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
1966 };
1967
1968 /*
1969 * rt2500usb module information.
1970 */
1971 static struct usb_device_id rt2500usb_device_table[] = {
1972 /* ASUS */
1973 { USB_DEVICE(0x0b05, 0x1706), USB_DEVICE_DATA(&rt2500usb_ops) },
1974 { USB_DEVICE(0x0b05, 0x1707), USB_DEVICE_DATA(&rt2500usb_ops) },
1975 /* Belkin */
1976 { USB_DEVICE(0x050d, 0x7050), USB_DEVICE_DATA(&rt2500usb_ops) },
1977 { USB_DEVICE(0x050d, 0x7051), USB_DEVICE_DATA(&rt2500usb_ops) },
1978 { USB_DEVICE(0x050d, 0x705a), USB_DEVICE_DATA(&rt2500usb_ops) },
1979 /* Cisco Systems */
1980 { USB_DEVICE(0x13b1, 0x000d), USB_DEVICE_DATA(&rt2500usb_ops) },
1981 { USB_DEVICE(0x13b1, 0x0011), USB_DEVICE_DATA(&rt2500usb_ops) },
1982 { USB_DEVICE(0x13b1, 0x001a), USB_DEVICE_DATA(&rt2500usb_ops) },
1983 /* Conceptronic */
1984 { USB_DEVICE(0x14b2, 0x3c02), USB_DEVICE_DATA(&rt2500usb_ops) },
1985 /* D-LINK */
1986 { USB_DEVICE(0x2001, 0x3c00), USB_DEVICE_DATA(&rt2500usb_ops) },
1987 /* Gigabyte */
1988 { USB_DEVICE(0x1044, 0x8001), USB_DEVICE_DATA(&rt2500usb_ops) },
1989 { USB_DEVICE(0x1044, 0x8007), USB_DEVICE_DATA(&rt2500usb_ops) },
1990 /* Hercules */
1991 { USB_DEVICE(0x06f8, 0xe000), USB_DEVICE_DATA(&rt2500usb_ops) },
1992 /* Melco */
1993 { USB_DEVICE(0x0411, 0x005e), USB_DEVICE_DATA(&rt2500usb_ops) },
1994 { USB_DEVICE(0x0411, 0x0066), USB_DEVICE_DATA(&rt2500usb_ops) },
1995 { USB_DEVICE(0x0411, 0x0067), USB_DEVICE_DATA(&rt2500usb_ops) },
1996 { USB_DEVICE(0x0411, 0x008b), USB_DEVICE_DATA(&rt2500usb_ops) },
1997 { USB_DEVICE(0x0411, 0x0097), USB_DEVICE_DATA(&rt2500usb_ops) },
1998 /* MSI */
1999 { USB_DEVICE(0x0db0, 0x6861), USB_DEVICE_DATA(&rt2500usb_ops) },
2000 { USB_DEVICE(0x0db0, 0x6865), USB_DEVICE_DATA(&rt2500usb_ops) },
2001 { USB_DEVICE(0x0db0, 0x6869), USB_DEVICE_DATA(&rt2500usb_ops) },
2002 /* Ralink */
2003 { USB_DEVICE(0x148f, 0x1706), USB_DEVICE_DATA(&rt2500usb_ops) },
2004 { USB_DEVICE(0x148f, 0x2570), USB_DEVICE_DATA(&rt2500usb_ops) },
2005 { USB_DEVICE(0x148f, 0x2573), USB_DEVICE_DATA(&rt2500usb_ops) },
2006 { USB_DEVICE(0x148f, 0x9020), USB_DEVICE_DATA(&rt2500usb_ops) },
2007 /* Siemens */
2008 { USB_DEVICE(0x0681, 0x3c06), USB_DEVICE_DATA(&rt2500usb_ops) },
2009 /* SMC */
2010 { USB_DEVICE(0x0707, 0xee13), USB_DEVICE_DATA(&rt2500usb_ops) },
2011 /* Spairon */
2012 { USB_DEVICE(0x114b, 0x0110), USB_DEVICE_DATA(&rt2500usb_ops) },
2013 /* Trust */
2014 { USB_DEVICE(0x0eb0, 0x9020), USB_DEVICE_DATA(&rt2500usb_ops) },
2015 /* Zinwell */
2016 { USB_DEVICE(0x5a57, 0x0260), USB_DEVICE_DATA(&rt2500usb_ops) },
2017 { 0, }
2018 };
2019
2020 MODULE_AUTHOR(DRV_PROJECT);
2021 MODULE_VERSION(DRV_VERSION);
2022 MODULE_DESCRIPTION("Ralink RT2500 USB Wireless LAN driver.");
2023 MODULE_SUPPORTED_DEVICE("Ralink RT2570 USB chipset based cards");
2024 MODULE_DEVICE_TABLE(usb, rt2500usb_device_table);
2025 MODULE_LICENSE("GPL");
2026
2027 static struct usb_driver rt2500usb_driver = {
2028 .name = KBUILD_MODNAME,
2029 .id_table = rt2500usb_device_table,
2030 .probe = rt2x00usb_probe,
2031 .disconnect = rt2x00usb_disconnect,
2032 .suspend = rt2x00usb_suspend,
2033 .resume = rt2x00usb_resume,
2034 };
2035
2036 static int __init rt2500usb_init(void)
2037 {
2038 return usb_register(&rt2500usb_driver);
2039 }
2040
2041 static void __exit rt2500usb_exit(void)
2042 {
2043 usb_deregister(&rt2500usb_driver);
2044 }
2045
2046 module_init(rt2500usb_init);
2047 module_exit(rt2500usb_exit);
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree