2 Copyright (C) 2004 - 2007 rt2x00 SourceForge Project
3 <http://rt2x00.serialmonkey.com>
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.
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.
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.
23 Abstract: rt2500usb device specific routines.
24 Supported chipsets: RT2570.
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>
35 #include "rt2x00usb.h"
36 #include "rt2500usb.h"
40 * All access to the CSR registers will go through the methods
41 * rt2500usb_register_read and rt2500usb_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 * If the usb_cache_mutex is already held then the _lock variants must
53 static inline void rt2500usb_register_read(struct rt2x00_dev *rt2x00dev,
54 const unsigned int offset,
58 rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ,
59 USB_VENDOR_REQUEST_IN, offset,
60 ®, sizeof(u16), REGISTER_TIMEOUT);
61 *value = le16_to_cpu(reg);
64 static inline void rt2500usb_register_read_lock(struct rt2x00_dev *rt2x00dev,
65 const unsigned int offset,
69 rt2x00usb_vendor_req_buff_lock(rt2x00dev, USB_MULTI_READ,
70 USB_VENDOR_REQUEST_IN, offset,
71 ®, sizeof(u16), REGISTER_TIMEOUT);
72 *value = le16_to_cpu(reg);
75 static inline void rt2500usb_register_multiread(struct rt2x00_dev *rt2x00dev,
76 const unsigned int offset,
77 void *value, const u16 length)
79 int timeout = REGISTER_TIMEOUT * (length / sizeof(u16));
80 rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ,
81 USB_VENDOR_REQUEST_IN, offset,
82 value, length, timeout);
85 static inline void rt2500usb_register_write(struct rt2x00_dev *rt2x00dev,
86 const unsigned int offset,
89 __le16 reg = cpu_to_le16(value);
90 rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE,
91 USB_VENDOR_REQUEST_OUT, offset,
92 ®, sizeof(u16), REGISTER_TIMEOUT);
95 static inline void rt2500usb_register_write_lock(struct rt2x00_dev *rt2x00dev,
96 const unsigned int offset,
99 __le16 reg = cpu_to_le16(value);
100 rt2x00usb_vendor_req_buff_lock(rt2x00dev, USB_MULTI_WRITE,
101 USB_VENDOR_REQUEST_OUT, offset,
102 ®, sizeof(u16), REGISTER_TIMEOUT);
105 static inline void rt2500usb_register_multiwrite(struct rt2x00_dev *rt2x00dev,
106 const unsigned int offset,
107 void *value, const u16 length)
109 int timeout = REGISTER_TIMEOUT * (length / sizeof(u16));
110 rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE,
111 USB_VENDOR_REQUEST_OUT, offset,
112 value, length, timeout);
115 static u16 rt2500usb_bbp_check(struct rt2x00_dev *rt2x00dev)
120 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
121 rt2500usb_register_read_lock(rt2x00dev, PHY_CSR8, ®);
122 if (!rt2x00_get_field16(reg, PHY_CSR8_BUSY))
124 udelay(REGISTER_BUSY_DELAY);
130 static void rt2500usb_bbp_write(struct rt2x00_dev *rt2x00dev,
131 const unsigned int word, const u8 value)
135 mutex_lock(&rt2x00dev->usb_cache_mutex);
138 * Wait until the BBP becomes ready.
140 reg = rt2500usb_bbp_check(rt2x00dev);
141 if (rt2x00_get_field16(reg, PHY_CSR8_BUSY)) {
142 ERROR(rt2x00dev, "PHY_CSR8 register busy. Write failed.\n");
143 mutex_unlock(&rt2x00dev->usb_cache_mutex);
148 * Write the data into the BBP.
151 rt2x00_set_field16(®, PHY_CSR7_DATA, value);
152 rt2x00_set_field16(®, PHY_CSR7_REG_ID, word);
153 rt2x00_set_field16(®, PHY_CSR7_READ_CONTROL, 0);
155 rt2500usb_register_write_lock(rt2x00dev, PHY_CSR7, reg);
157 mutex_unlock(&rt2x00dev->usb_cache_mutex);
160 static void rt2500usb_bbp_read(struct rt2x00_dev *rt2x00dev,
161 const unsigned int word, u8 *value)
165 mutex_lock(&rt2x00dev->usb_cache_mutex);
168 * Wait until the BBP becomes ready.
170 reg = rt2500usb_bbp_check(rt2x00dev);
171 if (rt2x00_get_field16(reg, PHY_CSR8_BUSY)) {
172 ERROR(rt2x00dev, "PHY_CSR8 register busy. Read failed.\n");
177 * Write the request into the BBP.
180 rt2x00_set_field16(®, PHY_CSR7_REG_ID, word);
181 rt2x00_set_field16(®, PHY_CSR7_READ_CONTROL, 1);
183 rt2500usb_register_write_lock(rt2x00dev, PHY_CSR7, reg);
186 * Wait until the BBP becomes ready.
188 reg = rt2500usb_bbp_check(rt2x00dev);
189 if (rt2x00_get_field16(reg, PHY_CSR8_BUSY)) {
190 ERROR(rt2x00dev, "PHY_CSR8 register busy. Read failed.\n");
192 mutex_unlock(&rt2x00dev->usb_cache_mutex);
196 rt2500usb_register_read_lock(rt2x00dev, PHY_CSR7, ®);
197 *value = rt2x00_get_field16(reg, PHY_CSR7_DATA);
199 mutex_unlock(&rt2x00dev->usb_cache_mutex);
202 static void rt2500usb_rf_write(struct rt2x00_dev *rt2x00dev,
203 const unsigned int word, const u32 value)
211 mutex_lock(&rt2x00dev->usb_cache_mutex);
213 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
214 rt2500usb_register_read_lock(rt2x00dev, PHY_CSR10, ®);
215 if (!rt2x00_get_field16(reg, PHY_CSR10_RF_BUSY))
217 udelay(REGISTER_BUSY_DELAY);
220 mutex_unlock(&rt2x00dev->usb_cache_mutex);
221 ERROR(rt2x00dev, "PHY_CSR10 register busy. Write failed.\n");
226 rt2x00_set_field16(®, PHY_CSR9_RF_VALUE, value);
227 rt2500usb_register_write_lock(rt2x00dev, PHY_CSR9, reg);
230 rt2x00_set_field16(®, PHY_CSR10_RF_VALUE, value >> 16);
231 rt2x00_set_field16(®, PHY_CSR10_RF_NUMBER_OF_BITS, 20);
232 rt2x00_set_field16(®, PHY_CSR10_RF_IF_SELECT, 0);
233 rt2x00_set_field16(®, PHY_CSR10_RF_BUSY, 1);
235 rt2500usb_register_write_lock(rt2x00dev, PHY_CSR10, reg);
236 rt2x00_rf_write(rt2x00dev, word, value);
238 mutex_unlock(&rt2x00dev->usb_cache_mutex);
241 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
242 #define CSR_OFFSET(__word) ( CSR_REG_BASE + ((__word) * sizeof(u16)) )
244 static void rt2500usb_read_csr(struct rt2x00_dev *rt2x00dev,
245 const unsigned int word, u32 *data)
247 rt2500usb_register_read(rt2x00dev, CSR_OFFSET(word), (u16 *) data);
250 static void rt2500usb_write_csr(struct rt2x00_dev *rt2x00dev,
251 const unsigned int word, u32 data)
253 rt2500usb_register_write(rt2x00dev, CSR_OFFSET(word), data);
256 static const struct rt2x00debug rt2500usb_rt2x00debug = {
257 .owner = THIS_MODULE,
259 .read = rt2500usb_read_csr,
260 .write = rt2500usb_write_csr,
261 .word_size = sizeof(u16),
262 .word_count = CSR_REG_SIZE / sizeof(u16),
265 .read = rt2x00_eeprom_read,
266 .write = rt2x00_eeprom_write,
267 .word_size = sizeof(u16),
268 .word_count = EEPROM_SIZE / sizeof(u16),
271 .read = rt2500usb_bbp_read,
272 .write = rt2500usb_bbp_write,
273 .word_size = sizeof(u8),
274 .word_count = BBP_SIZE / sizeof(u8),
277 .read = rt2x00_rf_read,
278 .write = rt2500usb_rf_write,
279 .word_size = sizeof(u32),
280 .word_count = RF_SIZE / sizeof(u32),
283 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
286 * Configuration handlers.
288 static void rt2500usb_config_mac_addr(struct rt2x00_dev *rt2x00dev,
291 rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR2, mac,
292 (3 * sizeof(__le16)));
295 static void rt2500usb_config_bssid(struct rt2x00_dev *rt2x00dev,
298 rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR5, bssid,
299 (3 * sizeof(__le16)));
302 static void rt2500usb_config_type(struct rt2x00_dev *rt2x00dev, const int type,
307 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0);
310 * Enable beacon config
312 rt2500usb_register_read(rt2x00dev, TXRX_CSR20, ®);
313 rt2x00_set_field16(®, TXRX_CSR20_OFFSET,
314 (PREAMBLE + get_duration(IEEE80211_HEADER, 20)) >> 6);
315 if (type == IEEE80211_IF_TYPE_STA)
316 rt2x00_set_field16(®, TXRX_CSR20_BCN_EXPECT_WINDOW, 0);
318 rt2x00_set_field16(®, TXRX_CSR20_BCN_EXPECT_WINDOW, 2);
319 rt2500usb_register_write(rt2x00dev, TXRX_CSR20, reg);
322 * Enable synchronisation.
324 rt2500usb_register_read(rt2x00dev, TXRX_CSR18, ®);
325 rt2x00_set_field16(®, TXRX_CSR18_OFFSET, 0);
326 rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg);
328 rt2500usb_register_read(rt2x00dev, TXRX_CSR19, ®);
329 rt2x00_set_field16(®, TXRX_CSR19_TSF_COUNT, 1);
330 rt2x00_set_field16(®, TXRX_CSR19_TBCN, 1);
331 rt2x00_set_field16(®, TXRX_CSR19_BEACON_GEN, 0);
332 rt2x00_set_field16(®, TXRX_CSR19_TSF_SYNC, tsf_sync);
333 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
336 static void rt2500usb_config_preamble(struct rt2x00_dev *rt2x00dev,
337 const int short_preamble,
338 const int ack_timeout,
339 const int ack_consume_time)
344 * When in atomic context, reschedule and let rt2x00lib
345 * call this function again.
348 queue_work(rt2x00dev->hw->workqueue, &rt2x00dev->config_work);
352 rt2500usb_register_read(rt2x00dev, TXRX_CSR1, ®);
353 rt2x00_set_field16(®, TXRX_CSR1_ACK_TIMEOUT, ack_timeout);
354 rt2500usb_register_write(rt2x00dev, TXRX_CSR1, reg);
356 rt2500usb_register_read(rt2x00dev, TXRX_CSR10, ®);
357 rt2x00_set_field16(®, TXRX_CSR10_AUTORESPOND_PREAMBLE,
359 rt2500usb_register_write(rt2x00dev, TXRX_CSR10, reg);
362 static void rt2500usb_config_phymode(struct rt2x00_dev *rt2x00dev,
364 const int basic_rate_mask)
366 rt2500usb_register_write(rt2x00dev, TXRX_CSR11, basic_rate_mask);
368 if (phymode == HWMODE_B) {
369 rt2500usb_register_write(rt2x00dev, MAC_CSR11, 0x000b);
370 rt2500usb_register_write(rt2x00dev, MAC_CSR12, 0x0040);
372 rt2500usb_register_write(rt2x00dev, MAC_CSR11, 0x0005);
373 rt2500usb_register_write(rt2x00dev, MAC_CSR12, 0x016c);
377 static void rt2500usb_config_channel(struct rt2x00_dev *rt2x00dev,
378 struct rf_channel *rf, const int txpower)
383 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
386 * For RT2525E we should first set the channel to half band higher.
388 if (rt2x00_rf(&rt2x00dev->chip, RF2525E)) {
389 static const u32 vals[] = {
390 0x000008aa, 0x000008ae, 0x000008ae, 0x000008b2,
391 0x000008b2, 0x000008b6, 0x000008b6, 0x000008ba,
392 0x000008ba, 0x000008be, 0x000008b7, 0x00000902,
393 0x00000902, 0x00000906
396 rt2500usb_rf_write(rt2x00dev, 2, vals[rf->channel - 1]);
398 rt2500usb_rf_write(rt2x00dev, 4, rf->rf4);
401 rt2500usb_rf_write(rt2x00dev, 1, rf->rf1);
402 rt2500usb_rf_write(rt2x00dev, 2, rf->rf2);
403 rt2500usb_rf_write(rt2x00dev, 3, rf->rf3);
405 rt2500usb_rf_write(rt2x00dev, 4, rf->rf4);
408 static void rt2500usb_config_txpower(struct rt2x00_dev *rt2x00dev,
413 rt2x00_rf_read(rt2x00dev, 3, &rf3);
414 rt2x00_set_field32(&rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
415 rt2500usb_rf_write(rt2x00dev, 3, rf3);
418 static void rt2500usb_config_antenna(struct rt2x00_dev *rt2x00dev,
419 struct antenna_setup *ant)
426 rt2500usb_bbp_read(rt2x00dev, 2, &r2);
427 rt2500usb_bbp_read(rt2x00dev, 14, &r14);
428 rt2500usb_register_read(rt2x00dev, PHY_CSR5, &csr5);
429 rt2500usb_register_read(rt2x00dev, PHY_CSR6, &csr6);
432 * Configure the TX antenna.
435 case ANTENNA_HW_DIVERSITY:
436 rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 1);
437 rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 1);
438 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 1);
441 rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 0);
442 rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 0);
443 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 0);
445 case ANTENNA_SW_DIVERSITY:
447 * NOTE: We should never come here because rt2x00lib is
448 * supposed to catch this and send us the correct antenna
449 * explicitely. However we are nog going to bug about this.
450 * Instead, just default to antenna B.
453 rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 2);
454 rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 2);
455 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 2);
460 * Configure the RX antenna.
463 case ANTENNA_HW_DIVERSITY:
464 rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 1);
467 rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 0);
469 case ANTENNA_SW_DIVERSITY:
471 * NOTE: We should never come here because rt2x00lib is
472 * supposed to catch this and send us the correct antenna
473 * explicitely. However we are nog going to bug about this.
474 * Instead, just default to antenna B.
477 rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 2);
482 * RT2525E and RT5222 need to flip TX I/Q
484 if (rt2x00_rf(&rt2x00dev->chip, RF2525E) ||
485 rt2x00_rf(&rt2x00dev->chip, RF5222)) {
486 rt2x00_set_field8(&r2, BBP_R2_TX_IQ_FLIP, 1);
487 rt2x00_set_field16(&csr5, PHY_CSR5_CCK_FLIP, 1);
488 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM_FLIP, 1);
491 * RT2525E does not need RX I/Q Flip.
493 if (rt2x00_rf(&rt2x00dev->chip, RF2525E))
494 rt2x00_set_field8(&r14, BBP_R14_RX_IQ_FLIP, 0);
496 rt2x00_set_field16(&csr5, PHY_CSR5_CCK_FLIP, 0);
497 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM_FLIP, 0);
500 rt2500usb_bbp_write(rt2x00dev, 2, r2);
501 rt2500usb_bbp_write(rt2x00dev, 14, r14);
502 rt2500usb_register_write(rt2x00dev, PHY_CSR5, csr5);
503 rt2500usb_register_write(rt2x00dev, PHY_CSR6, csr6);
506 static void rt2500usb_config_duration(struct rt2x00_dev *rt2x00dev,
507 struct rt2x00lib_conf *libconf)
511 rt2500usb_register_write(rt2x00dev, MAC_CSR10, libconf->slot_time);
513 rt2500usb_register_read(rt2x00dev, TXRX_CSR18, ®);
514 rt2x00_set_field16(®, TXRX_CSR18_INTERVAL,
515 libconf->conf->beacon_int * 4);
516 rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg);
519 static void rt2500usb_config(struct rt2x00_dev *rt2x00dev,
520 const unsigned int flags,
521 struct rt2x00lib_conf *libconf)
523 if (flags & CONFIG_UPDATE_PHYMODE)
524 rt2500usb_config_phymode(rt2x00dev, libconf->phymode,
525 libconf->basic_rates);
526 if (flags & CONFIG_UPDATE_CHANNEL)
527 rt2500usb_config_channel(rt2x00dev, &libconf->rf,
528 libconf->conf->power_level);
529 if ((flags & CONFIG_UPDATE_TXPOWER) && !(flags & CONFIG_UPDATE_CHANNEL))
530 rt2500usb_config_txpower(rt2x00dev,
531 libconf->conf->power_level);
532 if (flags & CONFIG_UPDATE_ANTENNA)
533 rt2500usb_config_antenna(rt2x00dev, &libconf->ant);
534 if (flags & (CONFIG_UPDATE_SLOT_TIME | CONFIG_UPDATE_BEACON_INT))
535 rt2500usb_config_duration(rt2x00dev, libconf);
541 static void rt2500usb_enable_led(struct rt2x00_dev *rt2x00dev)
545 rt2500usb_register_read(rt2x00dev, MAC_CSR21, ®);
546 rt2x00_set_field16(®, MAC_CSR21_ON_PERIOD, 70);
547 rt2x00_set_field16(®, MAC_CSR21_OFF_PERIOD, 30);
548 rt2500usb_register_write(rt2x00dev, MAC_CSR21, reg);
550 rt2500usb_register_read(rt2x00dev, MAC_CSR20, ®);
551 rt2x00_set_field16(®, MAC_CSR20_LINK,
552 (rt2x00dev->led_mode != LED_MODE_ASUS));
553 rt2x00_set_field16(®, MAC_CSR20_ACTIVITY,
554 (rt2x00dev->led_mode != LED_MODE_TXRX_ACTIVITY));
555 rt2500usb_register_write(rt2x00dev, MAC_CSR20, reg);
558 static void rt2500usb_disable_led(struct rt2x00_dev *rt2x00dev)
562 rt2500usb_register_read(rt2x00dev, MAC_CSR20, ®);
563 rt2x00_set_field16(®, MAC_CSR20_LINK, 0);
564 rt2x00_set_field16(®, MAC_CSR20_ACTIVITY, 0);
565 rt2500usb_register_write(rt2x00dev, MAC_CSR20, reg);
571 static void rt2500usb_link_stats(struct rt2x00_dev *rt2x00dev,
572 struct link_qual *qual)
577 * Update FCS error count from register.
579 rt2500usb_register_read(rt2x00dev, STA_CSR0, ®);
580 qual->rx_failed = rt2x00_get_field16(reg, STA_CSR0_FCS_ERROR);
583 * Update False CCA count from register.
585 rt2500usb_register_read(rt2x00dev, STA_CSR3, ®);
586 qual->false_cca = rt2x00_get_field16(reg, STA_CSR3_FALSE_CCA_ERROR);
589 static void rt2500usb_reset_tuner(struct rt2x00_dev *rt2x00dev)
594 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &eeprom);
595 value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R24_LOW);
596 rt2500usb_bbp_write(rt2x00dev, 24, value);
598 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &eeprom);
599 value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R25_LOW);
600 rt2500usb_bbp_write(rt2x00dev, 25, value);
602 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &eeprom);
603 value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R61_LOW);
604 rt2500usb_bbp_write(rt2x00dev, 61, value);
606 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &eeprom);
607 value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_VGCUPPER);
608 rt2500usb_bbp_write(rt2x00dev, 17, value);
610 rt2x00dev->link.vgc_level = value;
613 static void rt2500usb_link_tuner(struct rt2x00_dev *rt2x00dev)
615 int rssi = rt2x00_get_link_rssi(&rt2x00dev->link);
628 * Determine the BBP tuning threshold and correctly
629 * set BBP 24, 25 and 61.
631 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE, &bbp_thresh);
632 bbp_thresh = rt2x00_get_field16(bbp_thresh, EEPROM_BBPTUNE_THRESHOLD);
634 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &r24);
635 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &r25);
636 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &r61);
638 if ((rssi + bbp_thresh) > 0) {
639 r24 = rt2x00_get_field16(r24, EEPROM_BBPTUNE_R24_HIGH);
640 r25 = rt2x00_get_field16(r25, EEPROM_BBPTUNE_R25_HIGH);
641 r61 = rt2x00_get_field16(r61, EEPROM_BBPTUNE_R61_HIGH);
643 r24 = rt2x00_get_field16(r24, EEPROM_BBPTUNE_R24_LOW);
644 r25 = rt2x00_get_field16(r25, EEPROM_BBPTUNE_R25_LOW);
645 r61 = rt2x00_get_field16(r61, EEPROM_BBPTUNE_R61_LOW);
648 rt2500usb_bbp_write(rt2x00dev, 24, r24);
649 rt2500usb_bbp_write(rt2x00dev, 25, r25);
650 rt2500usb_bbp_write(rt2x00dev, 61, r61);
653 * Read current r17 value, as well as the sensitivity values
654 * for the r17 register.
656 rt2500usb_bbp_read(rt2x00dev, 17, &r17);
657 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R17, &r17_sens);
660 * A too low RSSI will cause too much false CCA which will
661 * then corrupt the R17 tuning. To remidy this the tuning should
662 * be stopped (While making sure the R17 value will not exceed limits)
666 rt2500usb_bbp_write(rt2x00dev, 17, 0x60);
671 * Special big-R17 for short distance
674 sens = rt2x00_get_field16(r17_sens, EEPROM_BBPTUNE_R17_LOW);
676 rt2500usb_bbp_write(rt2x00dev, 17, sens);
681 * Special mid-R17 for middle distance
684 sens = rt2x00_get_field16(r17_sens, EEPROM_BBPTUNE_R17_HIGH);
686 rt2500usb_bbp_write(rt2x00dev, 17, sens);
691 * Leave short or middle distance condition, restore r17
692 * to the dynamic tuning range.
694 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &vgc_bound);
695 vgc_bound = rt2x00_get_field16(vgc_bound, EEPROM_BBPTUNE_VGCUPPER);
699 up_bound = vgc_bound;
701 up_bound = vgc_bound - (-77 - rssi);
703 if (up_bound < low_bound)
704 up_bound = low_bound;
706 if (r17 > up_bound) {
707 rt2500usb_bbp_write(rt2x00dev, 17, up_bound);
708 rt2x00dev->link.vgc_level = up_bound;
709 } else if (rt2x00dev->link.qual.false_cca > 512 && r17 < up_bound) {
710 rt2500usb_bbp_write(rt2x00dev, 17, ++r17);
711 rt2x00dev->link.vgc_level = r17;
712 } else if (rt2x00dev->link.qual.false_cca < 100 && r17 > low_bound) {
713 rt2500usb_bbp_write(rt2x00dev, 17, --r17);
714 rt2x00dev->link.vgc_level = r17;
719 * Initialization functions.
721 static int rt2500usb_init_registers(struct rt2x00_dev *rt2x00dev)
725 rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0x0001,
726 USB_MODE_TEST, REGISTER_TIMEOUT);
727 rt2x00usb_vendor_request_sw(rt2x00dev, USB_SINGLE_WRITE, 0x0308,
728 0x00f0, REGISTER_TIMEOUT);
730 rt2500usb_register_read(rt2x00dev, TXRX_CSR2, ®);
731 rt2x00_set_field16(®, TXRX_CSR2_DISABLE_RX, 1);
732 rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg);
734 rt2500usb_register_write(rt2x00dev, MAC_CSR13, 0x1111);
735 rt2500usb_register_write(rt2x00dev, MAC_CSR14, 0x1e11);
737 rt2500usb_register_read(rt2x00dev, MAC_CSR1, ®);
738 rt2x00_set_field16(®, MAC_CSR1_SOFT_RESET, 1);
739 rt2x00_set_field16(®, MAC_CSR1_BBP_RESET, 1);
740 rt2x00_set_field16(®, MAC_CSR1_HOST_READY, 0);
741 rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg);
743 rt2500usb_register_read(rt2x00dev, MAC_CSR1, ®);
744 rt2x00_set_field16(®, MAC_CSR1_SOFT_RESET, 0);
745 rt2x00_set_field16(®, MAC_CSR1_BBP_RESET, 0);
746 rt2x00_set_field16(®, MAC_CSR1_HOST_READY, 0);
747 rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg);
749 rt2500usb_register_read(rt2x00dev, TXRX_CSR5, ®);
750 rt2x00_set_field16(®, TXRX_CSR5_BBP_ID0, 13);
751 rt2x00_set_field16(®, TXRX_CSR5_BBP_ID0_VALID, 1);
752 rt2x00_set_field16(®, TXRX_CSR5_BBP_ID1, 12);
753 rt2x00_set_field16(®, TXRX_CSR5_BBP_ID1_VALID, 1);
754 rt2500usb_register_write(rt2x00dev, TXRX_CSR5, reg);
756 rt2500usb_register_read(rt2x00dev, TXRX_CSR6, ®);
757 rt2x00_set_field16(®, TXRX_CSR6_BBP_ID0, 10);
758 rt2x00_set_field16(®, TXRX_CSR6_BBP_ID0_VALID, 1);
759 rt2x00_set_field16(®, TXRX_CSR6_BBP_ID1, 11);
760 rt2x00_set_field16(®, TXRX_CSR6_BBP_ID1_VALID, 1);
761 rt2500usb_register_write(rt2x00dev, TXRX_CSR6, reg);
763 rt2500usb_register_read(rt2x00dev, TXRX_CSR7, ®);
764 rt2x00_set_field16(®, TXRX_CSR7_BBP_ID0, 7);
765 rt2x00_set_field16(®, TXRX_CSR7_BBP_ID0_VALID, 1);
766 rt2x00_set_field16(®, TXRX_CSR7_BBP_ID1, 6);
767 rt2x00_set_field16(®, TXRX_CSR7_BBP_ID1_VALID, 1);
768 rt2500usb_register_write(rt2x00dev, TXRX_CSR7, reg);
770 rt2500usb_register_read(rt2x00dev, TXRX_CSR8, ®);
771 rt2x00_set_field16(®, TXRX_CSR8_BBP_ID0, 5);
772 rt2x00_set_field16(®, TXRX_CSR8_BBP_ID0_VALID, 1);
773 rt2x00_set_field16(®, TXRX_CSR8_BBP_ID1, 0);
774 rt2x00_set_field16(®, TXRX_CSR8_BBP_ID1_VALID, 0);
775 rt2500usb_register_write(rt2x00dev, TXRX_CSR8, reg);
777 rt2500usb_register_write(rt2x00dev, TXRX_CSR21, 0xe78f);
778 rt2500usb_register_write(rt2x00dev, MAC_CSR9, 0xff1d);
780 if (rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_AWAKE))
783 rt2500usb_register_read(rt2x00dev, MAC_CSR1, ®);
784 rt2x00_set_field16(®, MAC_CSR1_SOFT_RESET, 0);
785 rt2x00_set_field16(®, MAC_CSR1_BBP_RESET, 0);
786 rt2x00_set_field16(®, MAC_CSR1_HOST_READY, 1);
787 rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg);
789 if (rt2x00_rev(&rt2x00dev->chip) >= RT2570_VERSION_C) {
790 rt2500usb_register_read(rt2x00dev, PHY_CSR2, ®);
791 rt2x00_set_field16(®, PHY_CSR2_LNA, 0);
794 rt2x00_set_field16(®, PHY_CSR2_LNA, 1);
795 rt2x00_set_field16(®, PHY_CSR2_LNA_MODE, 3);
797 rt2500usb_register_write(rt2x00dev, PHY_CSR2, reg);
799 rt2500usb_register_write(rt2x00dev, MAC_CSR11, 0x0002);
800 rt2500usb_register_write(rt2x00dev, MAC_CSR22, 0x0053);
801 rt2500usb_register_write(rt2x00dev, MAC_CSR15, 0x01ee);
802 rt2500usb_register_write(rt2x00dev, MAC_CSR16, 0x0000);
804 rt2500usb_register_read(rt2x00dev, MAC_CSR8, ®);
805 rt2x00_set_field16(®, MAC_CSR8_MAX_FRAME_UNIT,
806 rt2x00dev->rx->data_size);
807 rt2500usb_register_write(rt2x00dev, MAC_CSR8, reg);
809 rt2500usb_register_read(rt2x00dev, TXRX_CSR0, ®);
810 rt2x00_set_field16(®, TXRX_CSR0_IV_OFFSET, IEEE80211_HEADER);
811 rt2x00_set_field16(®, TXRX_CSR0_KEY_ID, 0xff);
812 rt2500usb_register_write(rt2x00dev, TXRX_CSR0, reg);
814 rt2500usb_register_read(rt2x00dev, MAC_CSR18, ®);
815 rt2x00_set_field16(®, MAC_CSR18_DELAY_AFTER_BEACON, 90);
816 rt2500usb_register_write(rt2x00dev, MAC_CSR18, reg);
818 rt2500usb_register_read(rt2x00dev, PHY_CSR4, ®);
819 rt2x00_set_field16(®, PHY_CSR4_LOW_RF_LE, 1);
820 rt2500usb_register_write(rt2x00dev, PHY_CSR4, reg);
822 rt2500usb_register_read(rt2x00dev, TXRX_CSR1, ®);
823 rt2x00_set_field16(®, TXRX_CSR1_AUTO_SEQUENCE, 1);
824 rt2500usb_register_write(rt2x00dev, TXRX_CSR1, reg);
829 static int rt2500usb_init_bbp(struct rt2x00_dev *rt2x00dev)
836 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
837 rt2500usb_bbp_read(rt2x00dev, 0, &value);
838 if ((value != 0xff) && (value != 0x00))
839 goto continue_csr_init;
840 NOTICE(rt2x00dev, "Waiting for BBP register.\n");
841 udelay(REGISTER_BUSY_DELAY);
844 ERROR(rt2x00dev, "BBP register access failed, aborting.\n");
848 rt2500usb_bbp_write(rt2x00dev, 3, 0x02);
849 rt2500usb_bbp_write(rt2x00dev, 4, 0x19);
850 rt2500usb_bbp_write(rt2x00dev, 14, 0x1c);
851 rt2500usb_bbp_write(rt2x00dev, 15, 0x30);
852 rt2500usb_bbp_write(rt2x00dev, 16, 0xac);
853 rt2500usb_bbp_write(rt2x00dev, 18, 0x18);
854 rt2500usb_bbp_write(rt2x00dev, 19, 0xff);
855 rt2500usb_bbp_write(rt2x00dev, 20, 0x1e);
856 rt2500usb_bbp_write(rt2x00dev, 21, 0x08);
857 rt2500usb_bbp_write(rt2x00dev, 22, 0x08);
858 rt2500usb_bbp_write(rt2x00dev, 23, 0x08);
859 rt2500usb_bbp_write(rt2x00dev, 24, 0x80);
860 rt2500usb_bbp_write(rt2x00dev, 25, 0x50);
861 rt2500usb_bbp_write(rt2x00dev, 26, 0x08);
862 rt2500usb_bbp_write(rt2x00dev, 27, 0x23);
863 rt2500usb_bbp_write(rt2x00dev, 30, 0x10);
864 rt2500usb_bbp_write(rt2x00dev, 31, 0x2b);
865 rt2500usb_bbp_write(rt2x00dev, 32, 0xb9);
866 rt2500usb_bbp_write(rt2x00dev, 34, 0x12);
867 rt2500usb_bbp_write(rt2x00dev, 35, 0x50);
868 rt2500usb_bbp_write(rt2x00dev, 39, 0xc4);
869 rt2500usb_bbp_write(rt2x00dev, 40, 0x02);
870 rt2500usb_bbp_write(rt2x00dev, 41, 0x60);
871 rt2500usb_bbp_write(rt2x00dev, 53, 0x10);
872 rt2500usb_bbp_write(rt2x00dev, 54, 0x18);
873 rt2500usb_bbp_write(rt2x00dev, 56, 0x08);
874 rt2500usb_bbp_write(rt2x00dev, 57, 0x10);
875 rt2500usb_bbp_write(rt2x00dev, 58, 0x08);
876 rt2500usb_bbp_write(rt2x00dev, 61, 0x60);
877 rt2500usb_bbp_write(rt2x00dev, 62, 0x10);
878 rt2500usb_bbp_write(rt2x00dev, 75, 0xff);
880 DEBUG(rt2x00dev, "Start initialization from EEPROM...\n");
881 for (i = 0; i < EEPROM_BBP_SIZE; i++) {
882 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
884 if (eeprom != 0xffff && eeprom != 0x0000) {
885 reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
886 value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
887 DEBUG(rt2x00dev, "BBP: 0x%02x, value: 0x%02x.\n",
889 rt2500usb_bbp_write(rt2x00dev, reg_id, value);
892 DEBUG(rt2x00dev, "...End initialization from EEPROM.\n");
898 * Device state switch handlers.
900 static void rt2500usb_toggle_rx(struct rt2x00_dev *rt2x00dev,
901 enum dev_state state)
905 rt2500usb_register_read(rt2x00dev, TXRX_CSR2, ®);
906 rt2x00_set_field16(®, TXRX_CSR2_DISABLE_RX,
907 state == STATE_RADIO_RX_OFF);
908 rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg);
911 static int rt2500usb_enable_radio(struct rt2x00_dev *rt2x00dev)
914 * Initialize all registers.
916 if (rt2500usb_init_registers(rt2x00dev) ||
917 rt2500usb_init_bbp(rt2x00dev)) {
918 ERROR(rt2x00dev, "Register initialization failed.\n");
922 rt2x00usb_enable_radio(rt2x00dev);
927 rt2500usb_enable_led(rt2x00dev);
932 static void rt2500usb_disable_radio(struct rt2x00_dev *rt2x00dev)
937 rt2500usb_disable_led(rt2x00dev);
939 rt2500usb_register_write(rt2x00dev, MAC_CSR13, 0x2121);
940 rt2500usb_register_write(rt2x00dev, MAC_CSR14, 0x2121);
943 * Disable synchronisation.
945 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0);
947 rt2x00usb_disable_radio(rt2x00dev);
950 static int rt2500usb_set_state(struct rt2x00_dev *rt2x00dev,
951 enum dev_state state)
960 put_to_sleep = (state != STATE_AWAKE);
963 rt2x00_set_field16(®, MAC_CSR17_BBP_DESIRE_STATE, state);
964 rt2x00_set_field16(®, MAC_CSR17_RF_DESIRE_STATE, state);
965 rt2x00_set_field16(®, MAC_CSR17_PUT_TO_SLEEP, put_to_sleep);
966 rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg);
967 rt2x00_set_field16(®, MAC_CSR17_SET_STATE, 1);
968 rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg);
971 * Device is not guaranteed to be in the requested state yet.
972 * We must wait until the register indicates that the
973 * device has entered the correct state.
975 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
976 rt2500usb_register_read(rt2x00dev, MAC_CSR17, ®2);
977 bbp_state = rt2x00_get_field16(reg2, MAC_CSR17_BBP_CURR_STATE);
978 rf_state = rt2x00_get_field16(reg2, MAC_CSR17_RF_CURR_STATE);
979 if (bbp_state == state && rf_state == state)
981 rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg);
985 NOTICE(rt2x00dev, "Device failed to enter state %d, "
986 "current device state: bbp %d and rf %d.\n",
987 state, bbp_state, rf_state);
992 static int rt2500usb_set_device_state(struct rt2x00_dev *rt2x00dev,
993 enum dev_state state)
999 retval = rt2500usb_enable_radio(rt2x00dev);
1001 case STATE_RADIO_OFF:
1002 rt2500usb_disable_radio(rt2x00dev);
1004 case STATE_RADIO_RX_ON:
1005 case STATE_RADIO_RX_OFF:
1006 rt2500usb_toggle_rx(rt2x00dev, state);
1008 case STATE_DEEP_SLEEP:
1012 retval = rt2500usb_set_state(rt2x00dev, state);
1023 * TX descriptor initialization
1025 static void rt2500usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
1027 struct txdata_entry_desc *desc,
1028 struct ieee80211_hdr *ieee80211hdr,
1029 unsigned int length,
1030 struct ieee80211_tx_control *control)
1035 * Start writing the descriptor words.
1037 rt2x00_desc_read(txd, 1, &word);
1038 rt2x00_set_field32(&word, TXD_W1_IV_OFFSET, IEEE80211_HEADER);
1039 rt2x00_set_field32(&word, TXD_W1_AIFS, desc->aifs);
1040 rt2x00_set_field32(&word, TXD_W1_CWMIN, desc->cw_min);
1041 rt2x00_set_field32(&word, TXD_W1_CWMAX, desc->cw_max);
1042 rt2x00_desc_write(txd, 1, word);
1044 rt2x00_desc_read(txd, 2, &word);
1045 rt2x00_set_field32(&word, TXD_W2_PLCP_SIGNAL, desc->signal);
1046 rt2x00_set_field32(&word, TXD_W2_PLCP_SERVICE, desc->service);
1047 rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_LOW, desc->length_low);
1048 rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_HIGH, desc->length_high);
1049 rt2x00_desc_write(txd, 2, word);
1051 rt2x00_desc_read(txd, 0, &word);
1052 rt2x00_set_field32(&word, TXD_W0_RETRY_LIMIT, control->retry_limit);
1053 rt2x00_set_field32(&word, TXD_W0_MORE_FRAG,
1054 test_bit(ENTRY_TXD_MORE_FRAG, &desc->flags));
1055 rt2x00_set_field32(&word, TXD_W0_ACK,
1056 test_bit(ENTRY_TXD_ACK, &desc->flags));
1057 rt2x00_set_field32(&word, TXD_W0_TIMESTAMP,
1058 test_bit(ENTRY_TXD_REQ_TIMESTAMP, &desc->flags));
1059 rt2x00_set_field32(&word, TXD_W0_OFDM,
1060 test_bit(ENTRY_TXD_OFDM_RATE, &desc->flags));
1061 rt2x00_set_field32(&word, TXD_W0_NEW_SEQ,
1062 !!(control->flags & IEEE80211_TXCTL_FIRST_FRAGMENT));
1063 rt2x00_set_field32(&word, TXD_W0_IFS, desc->ifs);
1064 rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, length);
1065 rt2x00_set_field32(&word, TXD_W0_CIPHER, CIPHER_NONE);
1066 rt2x00_desc_write(txd, 0, word);
1069 static int rt2500usb_get_tx_data_len(struct rt2x00_dev *rt2x00dev,
1070 struct sk_buff *skb)
1075 * The length _must_ be a multiple of 2,
1076 * but it must _not_ be a multiple of the USB packet size.
1078 length = roundup(skb->len, 2);
1079 length += (2 * !(length % rt2x00dev->usb_maxpacket));
1085 * TX data initialization
1087 static void rt2500usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
1092 if (queue != IEEE80211_TX_QUEUE_BEACON)
1095 rt2500usb_register_read(rt2x00dev, TXRX_CSR19, ®);
1096 if (!rt2x00_get_field16(reg, TXRX_CSR19_BEACON_GEN)) {
1097 rt2x00_set_field16(®, TXRX_CSR19_BEACON_GEN, 1);
1099 * Beacon generation will fail initially.
1100 * To prevent this we need to register the TXRX_CSR19
1101 * register several times.
1103 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
1104 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0);
1105 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
1106 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0);
1107 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
1112 * RX control handlers
1114 static void rt2500usb_fill_rxdone(struct data_entry *entry,
1115 struct rxdata_entry_desc *desc)
1117 struct urb *urb = entry->priv;
1118 __le32 *rxd = (__le32 *)(entry->skb->data +
1119 (urb->actual_length - entry->ring->desc_size));
1123 rt2x00_desc_read(rxd, 0, &word0);
1124 rt2x00_desc_read(rxd, 1, &word1);
1127 if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR))
1128 desc->flags |= RX_FLAG_FAILED_FCS_CRC;
1129 if (rt2x00_get_field32(word0, RXD_W0_PHYSICAL_ERROR))
1130 desc->flags |= RX_FLAG_FAILED_PLCP_CRC;
1133 * Obtain the status about this packet.
1135 desc->signal = rt2x00_get_field32(word1, RXD_W1_SIGNAL);
1136 desc->rssi = rt2x00_get_field32(word1, RXD_W1_RSSI) -
1137 entry->ring->rt2x00dev->rssi_offset;
1138 desc->ofdm = rt2x00_get_field32(word0, RXD_W0_OFDM);
1139 desc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT);
1145 * Interrupt functions.
1147 static void rt2500usb_beacondone(struct urb *urb)
1149 struct data_entry *entry = (struct data_entry *)urb->context;
1150 struct data_ring *ring = entry->ring;
1152 if (!test_bit(DEVICE_ENABLED_RADIO, &ring->rt2x00dev->flags))
1156 * Check if this was the guardian beacon,
1157 * if that was the case we need to send the real beacon now.
1158 * Otherwise we should free the sk_buffer, the device
1159 * should be doing the rest of the work now.
1161 if (ring->index == 1) {
1162 rt2x00_ring_index_done_inc(ring);
1163 entry = rt2x00_get_data_entry(ring);
1164 usb_submit_urb(entry->priv, GFP_ATOMIC);
1165 rt2x00_ring_index_inc(ring);
1166 } else if (ring->index_done == 1) {
1167 entry = rt2x00_get_data_entry_done(ring);
1169 dev_kfree_skb(entry->skb);
1172 rt2x00_ring_index_done_inc(ring);
1177 * Device probe functions.
1179 static int rt2500usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
1184 rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom, EEPROM_SIZE);
1187 * Start validation of the data that has been read.
1189 mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
1190 if (!is_valid_ether_addr(mac)) {
1191 DECLARE_MAC_BUF(macbuf);
1193 random_ether_addr(mac);
1194 EEPROM(rt2x00dev, "MAC: %s\n", print_mac(macbuf, mac));
1197 rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
1198 if (word == 0xffff) {
1199 rt2x00_set_field16(&word, EEPROM_ANTENNA_NUM, 2);
1200 rt2x00_set_field16(&word, EEPROM_ANTENNA_TX_DEFAULT,
1201 ANTENNA_SW_DIVERSITY);
1202 rt2x00_set_field16(&word, EEPROM_ANTENNA_RX_DEFAULT,
1203 ANTENNA_SW_DIVERSITY);
1204 rt2x00_set_field16(&word, EEPROM_ANTENNA_LED_MODE,
1206 rt2x00_set_field16(&word, EEPROM_ANTENNA_DYN_TXAGC, 0);
1207 rt2x00_set_field16(&word, EEPROM_ANTENNA_HARDWARE_RADIO, 0);
1208 rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF2522);
1209 rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
1210 EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word);
1213 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word);
1214 if (word == 0xffff) {
1215 rt2x00_set_field16(&word, EEPROM_NIC_CARDBUS_ACCEL, 0);
1216 rt2x00_set_field16(&word, EEPROM_NIC_DYN_BBP_TUNE, 0);
1217 rt2x00_set_field16(&word, EEPROM_NIC_CCK_TX_POWER, 0);
1218 rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word);
1219 EEPROM(rt2x00dev, "NIC: 0x%04x\n", word);
1222 rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &word);
1223 if (word == 0xffff) {
1224 rt2x00_set_field16(&word, EEPROM_CALIBRATE_OFFSET_RSSI,
1225 DEFAULT_RSSI_OFFSET);
1226 rt2x00_eeprom_write(rt2x00dev, EEPROM_CALIBRATE_OFFSET, word);
1227 EEPROM(rt2x00dev, "Calibrate offset: 0x%04x\n", word);
1230 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE, &word);
1231 if (word == 0xffff) {
1232 rt2x00_set_field16(&word, EEPROM_BBPTUNE_THRESHOLD, 45);
1233 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE, word);
1234 EEPROM(rt2x00dev, "BBPtune: 0x%04x\n", word);
1237 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &word);
1238 if (word == 0xffff) {
1239 rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCUPPER, 0x40);
1240 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_VGC, word);
1241 EEPROM(rt2x00dev, "BBPtune vgc: 0x%04x\n", word);
1244 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R17, &word);
1245 if (word == 0xffff) {
1246 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R17_LOW, 0x48);
1247 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R17_HIGH, 0x41);
1248 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R17, word);
1249 EEPROM(rt2x00dev, "BBPtune r17: 0x%04x\n", word);
1252 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &word);
1253 if (word == 0xffff) {
1254 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R24_LOW, 0x40);
1255 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R24_HIGH, 0x80);
1256 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R24, word);
1257 EEPROM(rt2x00dev, "BBPtune r24: 0x%04x\n", word);
1260 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &word);
1261 if (word == 0xffff) {
1262 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R25_LOW, 0x40);
1263 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R25_HIGH, 0x50);
1264 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R25, word);
1265 EEPROM(rt2x00dev, "BBPtune r25: 0x%04x\n", word);
1268 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &word);
1269 if (word == 0xffff) {
1270 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R61_LOW, 0x60);
1271 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R61_HIGH, 0x6d);
1272 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R61, word);
1273 EEPROM(rt2x00dev, "BBPtune r61: 0x%04x\n", word);
1279 static int rt2500usb_init_eeprom(struct rt2x00_dev *rt2x00dev)
1286 * Read EEPROM word for configuration.
1288 rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
1291 * Identify RF chipset.
1293 value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
1294 rt2500usb_register_read(rt2x00dev, MAC_CSR0, ®);
1295 rt2x00_set_chip(rt2x00dev, RT2570, value, reg);
1297 if (!rt2x00_check_rev(&rt2x00dev->chip, 0)) {
1298 ERROR(rt2x00dev, "Invalid RT chipset detected.\n");
1302 if (!rt2x00_rf(&rt2x00dev->chip, RF2522) &&
1303 !rt2x00_rf(&rt2x00dev->chip, RF2523) &&
1304 !rt2x00_rf(&rt2x00dev->chip, RF2524) &&
1305 !rt2x00_rf(&rt2x00dev->chip, RF2525) &&
1306 !rt2x00_rf(&rt2x00dev->chip, RF2525E) &&
1307 !rt2x00_rf(&rt2x00dev->chip, RF5222)) {
1308 ERROR(rt2x00dev, "Invalid RF chipset detected.\n");
1313 * Identify default antenna configuration.
1315 rt2x00dev->default_ant.tx =
1316 rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TX_DEFAULT);
1317 rt2x00dev->default_ant.rx =
1318 rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_DEFAULT);
1321 * When the eeprom indicates SW_DIVERSITY use HW_DIVERSITY instead.
1322 * I am not 100% sure about this, but the legacy drivers do not
1323 * indicate antenna swapping in software is required when
1324 * diversity is enabled.
1326 if (rt2x00dev->default_ant.tx == ANTENNA_SW_DIVERSITY)
1327 rt2x00dev->default_ant.tx = ANTENNA_HW_DIVERSITY;
1328 if (rt2x00dev->default_ant.rx == ANTENNA_SW_DIVERSITY)
1329 rt2x00dev->default_ant.rx = ANTENNA_HW_DIVERSITY;
1332 * Store led mode, for correct led behaviour.
1334 rt2x00dev->led_mode =
1335 rt2x00_get_field16(eeprom, EEPROM_ANTENNA_LED_MODE);
1338 * Check if the BBP tuning should be disabled.
1340 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom);
1341 if (rt2x00_get_field16(eeprom, EEPROM_NIC_DYN_BBP_TUNE))
1342 __set_bit(CONFIG_DISABLE_LINK_TUNING, &rt2x00dev->flags);
1345 * Read the RSSI <-> dBm offset information.
1347 rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &eeprom);
1348 rt2x00dev->rssi_offset =
1349 rt2x00_get_field16(eeprom, EEPROM_CALIBRATE_OFFSET_RSSI);
1355 * RF value list for RF2522
1358 static const struct rf_channel rf_vals_bg_2522[] = {
1359 { 1, 0x00002050, 0x000c1fda, 0x00000101, 0 },
1360 { 2, 0x00002050, 0x000c1fee, 0x00000101, 0 },
1361 { 3, 0x00002050, 0x000c2002, 0x00000101, 0 },
1362 { 4, 0x00002050, 0x000c2016, 0x00000101, 0 },
1363 { 5, 0x00002050, 0x000c202a, 0x00000101, 0 },
1364 { 6, 0x00002050, 0x000c203e, 0x00000101, 0 },
1365 { 7, 0x00002050, 0x000c2052, 0x00000101, 0 },
1366 { 8, 0x00002050, 0x000c2066, 0x00000101, 0 },
1367 { 9, 0x00002050, 0x000c207a, 0x00000101, 0 },
1368 { 10, 0x00002050, 0x000c208e, 0x00000101, 0 },
1369 { 11, 0x00002050, 0x000c20a2, 0x00000101, 0 },
1370 { 12, 0x00002050, 0x000c20b6, 0x00000101, 0 },
1371 { 13, 0x00002050, 0x000c20ca, 0x00000101, 0 },
1372 { 14, 0x00002050, 0x000c20fa, 0x00000101, 0 },
1376 * RF value list for RF2523
1379 static const struct rf_channel rf_vals_bg_2523[] = {
1380 { 1, 0x00022010, 0x00000c9e, 0x000e0111, 0x00000a1b },
1381 { 2, 0x00022010, 0x00000ca2, 0x000e0111, 0x00000a1b },
1382 { 3, 0x00022010, 0x00000ca6, 0x000e0111, 0x00000a1b },
1383 { 4, 0x00022010, 0x00000caa, 0x000e0111, 0x00000a1b },
1384 { 5, 0x00022010, 0x00000cae, 0x000e0111, 0x00000a1b },
1385 { 6, 0x00022010, 0x00000cb2, 0x000e0111, 0x00000a1b },
1386 { 7, 0x00022010, 0x00000cb6, 0x000e0111, 0x00000a1b },
1387 { 8, 0x00022010, 0x00000cba, 0x000e0111, 0x00000a1b },
1388 { 9, 0x00022010, 0x00000cbe, 0x000e0111, 0x00000a1b },
1389 { 10, 0x00022010, 0x00000d02, 0x000e0111, 0x00000a1b },
1390 { 11, 0x00022010, 0x00000d06, 0x000e0111, 0x00000a1b },
1391 { 12, 0x00022010, 0x00000d0a, 0x000e0111, 0x00000a1b },
1392 { 13, 0x00022010, 0x00000d0e, 0x000e0111, 0x00000a1b },
1393 { 14, 0x00022010, 0x00000d1a, 0x000e0111, 0x00000a03 },
1397 * RF value list for RF2524
1400 static const struct rf_channel rf_vals_bg_2524[] = {
1401 { 1, 0x00032020, 0x00000c9e, 0x00000101, 0x00000a1b },
1402 { 2, 0x00032020, 0x00000ca2, 0x00000101, 0x00000a1b },
1403 { 3, 0x00032020, 0x00000ca6, 0x00000101, 0x00000a1b },
1404 { 4, 0x00032020, 0x00000caa, 0x00000101, 0x00000a1b },
1405 { 5, 0x00032020, 0x00000cae, 0x00000101, 0x00000a1b },
1406 { 6, 0x00032020, 0x00000cb2, 0x00000101, 0x00000a1b },
1407 { 7, 0x00032020, 0x00000cb6, 0x00000101, 0x00000a1b },
1408 { 8, 0x00032020, 0x00000cba, 0x00000101, 0x00000a1b },
1409 { 9, 0x00032020, 0x00000cbe, 0x00000101, 0x00000a1b },
1410 { 10, 0x00032020, 0x00000d02, 0x00000101, 0x00000a1b },
1411 { 11, 0x00032020, 0x00000d06, 0x00000101, 0x00000a1b },
1412 { 12, 0x00032020, 0x00000d0a, 0x00000101, 0x00000a1b },
1413 { 13, 0x00032020, 0x00000d0e, 0x00000101, 0x00000a1b },
1414 { 14, 0x00032020, 0x00000d1a, 0x00000101, 0x00000a03 },
1418 * RF value list for RF2525
1421 static const struct rf_channel rf_vals_bg_2525[] = {
1422 { 1, 0x00022020, 0x00080c9e, 0x00060111, 0x00000a1b },
1423 { 2, 0x00022020, 0x00080ca2, 0x00060111, 0x00000a1b },
1424 { 3, 0x00022020, 0x00080ca6, 0x00060111, 0x00000a1b },
1425 { 4, 0x00022020, 0x00080caa, 0x00060111, 0x00000a1b },
1426 { 5, 0x00022020, 0x00080cae, 0x00060111, 0x00000a1b },
1427 { 6, 0x00022020, 0x00080cb2, 0x00060111, 0x00000a1b },
1428 { 7, 0x00022020, 0x00080cb6, 0x00060111, 0x00000a1b },
1429 { 8, 0x00022020, 0x00080cba, 0x00060111, 0x00000a1b },
1430 { 9, 0x00022020, 0x00080cbe, 0x00060111, 0x00000a1b },
1431 { 10, 0x00022020, 0x00080d02, 0x00060111, 0x00000a1b },
1432 { 11, 0x00022020, 0x00080d06, 0x00060111, 0x00000a1b },
1433 { 12, 0x00022020, 0x00080d0a, 0x00060111, 0x00000a1b },
1434 { 13, 0x00022020, 0x00080d0e, 0x00060111, 0x00000a1b },
1435 { 14, 0x00022020, 0x00080d1a, 0x00060111, 0x00000a03 },
1439 * RF value list for RF2525e
1442 static const struct rf_channel rf_vals_bg_2525e[] = {
1443 { 1, 0x00022010, 0x0000089a, 0x00060111, 0x00000e1b },
1444 { 2, 0x00022010, 0x0000089e, 0x00060111, 0x00000e07 },
1445 { 3, 0x00022010, 0x0000089e, 0x00060111, 0x00000e1b },
1446 { 4, 0x00022010, 0x000008a2, 0x00060111, 0x00000e07 },
1447 { 5, 0x00022010, 0x000008a2, 0x00060111, 0x00000e1b },
1448 { 6, 0x00022010, 0x000008a6, 0x00060111, 0x00000e07 },
1449 { 7, 0x00022010, 0x000008a6, 0x00060111, 0x00000e1b },
1450 { 8, 0x00022010, 0x000008aa, 0x00060111, 0x00000e07 },
1451 { 9, 0x00022010, 0x000008aa, 0x00060111, 0x00000e1b },
1452 { 10, 0x00022010, 0x000008ae, 0x00060111, 0x00000e07 },
1453 { 11, 0x00022010, 0x000008ae, 0x00060111, 0x00000e1b },
1454 { 12, 0x00022010, 0x000008b2, 0x00060111, 0x00000e07 },
1455 { 13, 0x00022010, 0x000008b2, 0x00060111, 0x00000e1b },
1456 { 14, 0x00022010, 0x000008b6, 0x00060111, 0x00000e23 },
1460 * RF value list for RF5222
1461 * Supports: 2.4 GHz & 5.2 GHz
1463 static const struct rf_channel rf_vals_5222[] = {
1464 { 1, 0x00022020, 0x00001136, 0x00000101, 0x00000a0b },
1465 { 2, 0x00022020, 0x0000113a, 0x00000101, 0x00000a0b },
1466 { 3, 0x00022020, 0x0000113e, 0x00000101, 0x00000a0b },
1467 { 4, 0x00022020, 0x00001182, 0x00000101, 0x00000a0b },
1468 { 5, 0x00022020, 0x00001186, 0x00000101, 0x00000a0b },
1469 { 6, 0x00022020, 0x0000118a, 0x00000101, 0x00000a0b },
1470 { 7, 0x00022020, 0x0000118e, 0x00000101, 0x00000a0b },
1471 { 8, 0x00022020, 0x00001192, 0x00000101, 0x00000a0b },
1472 { 9, 0x00022020, 0x00001196, 0x00000101, 0x00000a0b },
1473 { 10, 0x00022020, 0x0000119a, 0x00000101, 0x00000a0b },
1474 { 11, 0x00022020, 0x0000119e, 0x00000101, 0x00000a0b },
1475 { 12, 0x00022020, 0x000011a2, 0x00000101, 0x00000a0b },
1476 { 13, 0x00022020, 0x000011a6, 0x00000101, 0x00000a0b },
1477 { 14, 0x00022020, 0x000011ae, 0x00000101, 0x00000a1b },
1479 /* 802.11 UNI / HyperLan 2 */
1480 { 36, 0x00022010, 0x00018896, 0x00000101, 0x00000a1f },
1481 { 40, 0x00022010, 0x0001889a, 0x00000101, 0x00000a1f },
1482 { 44, 0x00022010, 0x0001889e, 0x00000101, 0x00000a1f },
1483 { 48, 0x00022010, 0x000188a2, 0x00000101, 0x00000a1f },
1484 { 52, 0x00022010, 0x000188a6, 0x00000101, 0x00000a1f },
1485 { 66, 0x00022010, 0x000188aa, 0x00000101, 0x00000a1f },
1486 { 60, 0x00022010, 0x000188ae, 0x00000101, 0x00000a1f },
1487 { 64, 0x00022010, 0x000188b2, 0x00000101, 0x00000a1f },
1489 /* 802.11 HyperLan 2 */
1490 { 100, 0x00022010, 0x00008802, 0x00000101, 0x00000a0f },
1491 { 104, 0x00022010, 0x00008806, 0x00000101, 0x00000a0f },
1492 { 108, 0x00022010, 0x0000880a, 0x00000101, 0x00000a0f },
1493 { 112, 0x00022010, 0x0000880e, 0x00000101, 0x00000a0f },
1494 { 116, 0x00022010, 0x00008812, 0x00000101, 0x00000a0f },
1495 { 120, 0x00022010, 0x00008816, 0x00000101, 0x00000a0f },
1496 { 124, 0x00022010, 0x0000881a, 0x00000101, 0x00000a0f },
1497 { 128, 0x00022010, 0x0000881e, 0x00000101, 0x00000a0f },
1498 { 132, 0x00022010, 0x00008822, 0x00000101, 0x00000a0f },
1499 { 136, 0x00022010, 0x00008826, 0x00000101, 0x00000a0f },
1502 { 140, 0x00022010, 0x0000882a, 0x00000101, 0x00000a0f },
1503 { 149, 0x00022020, 0x000090a6, 0x00000101, 0x00000a07 },
1504 { 153, 0x00022020, 0x000090ae, 0x00000101, 0x00000a07 },
1505 { 157, 0x00022020, 0x000090b6, 0x00000101, 0x00000a07 },
1506 { 161, 0x00022020, 0x000090be, 0x00000101, 0x00000a07 },
1509 static void rt2500usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
1511 struct hw_mode_spec *spec = &rt2x00dev->spec;
1516 * Initialize all hw fields.
1518 rt2x00dev->hw->flags =
1519 IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE |
1520 IEEE80211_HW_RX_INCLUDES_FCS |
1521 IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING;
1522 rt2x00dev->hw->extra_tx_headroom = TXD_DESC_SIZE;
1523 rt2x00dev->hw->max_signal = MAX_SIGNAL;
1524 rt2x00dev->hw->max_rssi = MAX_RX_SSI;
1525 rt2x00dev->hw->queues = 2;
1527 SET_IEEE80211_DEV(rt2x00dev->hw, &rt2x00dev_usb(rt2x00dev)->dev);
1528 SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
1529 rt2x00_eeprom_addr(rt2x00dev,
1530 EEPROM_MAC_ADDR_0));
1533 * Convert tx_power array in eeprom.
1535 txpower = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_START);
1536 for (i = 0; i < 14; i++)
1537 txpower[i] = TXPOWER_FROM_DEV(txpower[i]);
1540 * Initialize hw_mode information.
1542 spec->num_modes = 2;
1543 spec->num_rates = 12;
1544 spec->tx_power_a = NULL;
1545 spec->tx_power_bg = txpower;
1546 spec->tx_power_default = DEFAULT_TXPOWER;
1548 if (rt2x00_rf(&rt2x00dev->chip, RF2522)) {
1549 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2522);
1550 spec->channels = rf_vals_bg_2522;
1551 } else if (rt2x00_rf(&rt2x00dev->chip, RF2523)) {
1552 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2523);
1553 spec->channels = rf_vals_bg_2523;
1554 } else if (rt2x00_rf(&rt2x00dev->chip, RF2524)) {
1555 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2524);
1556 spec->channels = rf_vals_bg_2524;
1557 } else if (rt2x00_rf(&rt2x00dev->chip, RF2525)) {
1558 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525);
1559 spec->channels = rf_vals_bg_2525;
1560 } else if (rt2x00_rf(&rt2x00dev->chip, RF2525E)) {
1561 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525e);
1562 spec->channels = rf_vals_bg_2525e;
1563 } else if (rt2x00_rf(&rt2x00dev->chip, RF5222)) {
1564 spec->num_channels = ARRAY_SIZE(rf_vals_5222);
1565 spec->channels = rf_vals_5222;
1566 spec->num_modes = 3;
1570 static int rt2500usb_probe_hw(struct rt2x00_dev *rt2x00dev)
1575 * Allocate eeprom data.
1577 retval = rt2500usb_validate_eeprom(rt2x00dev);
1581 retval = rt2500usb_init_eeprom(rt2x00dev);
1586 * Initialize hw specifications.
1588 rt2500usb_probe_hw_mode(rt2x00dev);
1591 * This device requires the beacon ring
1593 __set_bit(DRIVER_REQUIRE_BEACON_RING, &rt2x00dev->flags);
1596 * Set the rssi offset.
1598 rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
1604 * IEEE80211 stack callback functions.
1606 static void rt2500usb_configure_filter(struct ieee80211_hw *hw,
1607 unsigned int changed_flags,
1608 unsigned int *total_flags,
1610 struct dev_addr_list *mc_list)
1612 struct rt2x00_dev *rt2x00dev = hw->priv;
1613 struct interface *intf = &rt2x00dev->interface;
1617 * Mask off any flags we are going to ignore from
1618 * the total_flags field.
1629 * Apply some rules to the filters:
1630 * - Some filters imply different filters to be set.
1631 * - Some things we can't filter out at all.
1632 * - Some filters are set based on interface type.
1635 *total_flags |= FIF_ALLMULTI;
1636 if (*total_flags & FIF_OTHER_BSS ||
1637 *total_flags & FIF_PROMISC_IN_BSS)
1638 *total_flags |= FIF_PROMISC_IN_BSS | FIF_OTHER_BSS;
1639 if (is_interface_type(intf, IEEE80211_IF_TYPE_AP))
1640 *total_flags |= FIF_PROMISC_IN_BSS;
1643 * Check if there is any work left for us.
1645 if (intf->filter == *total_flags)
1647 intf->filter = *total_flags;
1650 * When in atomic context, reschedule and let rt2x00lib
1651 * call this function again.
1654 queue_work(rt2x00dev->hw->workqueue, &rt2x00dev->filter_work);
1659 * Start configuration steps.
1660 * Note that the version error will always be dropped
1661 * and broadcast frames will always be accepted since
1662 * there is no filter for it at this time.
1664 rt2500usb_register_read(rt2x00dev, TXRX_CSR2, ®);
1665 rt2x00_set_field16(®, TXRX_CSR2_DROP_CRC,
1666 !(*total_flags & FIF_FCSFAIL));
1667 rt2x00_set_field16(®, TXRX_CSR2_DROP_PHYSICAL,
1668 !(*total_flags & FIF_PLCPFAIL));
1669 rt2x00_set_field16(®, TXRX_CSR2_DROP_CONTROL,
1670 !(*total_flags & FIF_CONTROL));
1671 rt2x00_set_field16(®, TXRX_CSR2_DROP_NOT_TO_ME,
1672 !(*total_flags & FIF_PROMISC_IN_BSS));
1673 rt2x00_set_field16(®, TXRX_CSR2_DROP_TODS,
1674 !(*total_flags & FIF_PROMISC_IN_BSS));
1675 rt2x00_set_field16(®, TXRX_CSR2_DROP_VERSION_ERROR, 1);
1676 rt2x00_set_field16(®, TXRX_CSR2_DROP_MULTICAST,
1677 !(*total_flags & FIF_ALLMULTI));
1678 rt2x00_set_field16(®, TXRX_CSR2_DROP_BROADCAST, 0);
1679 rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg);
1682 static int rt2500usb_beacon_update(struct ieee80211_hw *hw,
1683 struct sk_buff *skb,
1684 struct ieee80211_tx_control *control)
1686 struct rt2x00_dev *rt2x00dev = hw->priv;
1687 struct usb_device *usb_dev =
1688 interface_to_usbdev(rt2x00dev_usb(rt2x00dev));
1689 struct data_ring *ring =
1690 rt2x00lib_get_ring(rt2x00dev, IEEE80211_TX_QUEUE_BEACON);
1691 struct data_entry *beacon;
1692 struct data_entry *guardian;
1693 int pipe = usb_sndbulkpipe(usb_dev, 1);
1697 * Just in case the ieee80211 doesn't set this,
1698 * but we need this queue set for the descriptor
1701 control->queue = IEEE80211_TX_QUEUE_BEACON;
1704 * Obtain 2 entries, one for the guardian byte,
1705 * the second for the actual beacon.
1707 guardian = rt2x00_get_data_entry(ring);
1708 rt2x00_ring_index_inc(ring);
1709 beacon = rt2x00_get_data_entry(ring);
1712 * First we create the beacon.
1714 skb_push(skb, ring->desc_size);
1715 memset(skb->data, 0, ring->desc_size);
1717 rt2x00lib_write_tx_desc(rt2x00dev, (__le32 *)skb->data,
1718 (struct ieee80211_hdr *)(skb->data +
1720 skb->len - ring->desc_size, control);
1722 length = rt2500usb_get_tx_data_len(rt2x00dev, skb);
1724 usb_fill_bulk_urb(beacon->priv, usb_dev, pipe,
1725 skb->data, length, rt2500usb_beacondone, beacon);
1730 * Second we need to create the guardian byte.
1731 * We only need a single byte, so lets recycle
1732 * the 'flags' field we are not using for beacons.
1734 guardian->flags = 0;
1735 usb_fill_bulk_urb(guardian->priv, usb_dev, pipe,
1736 &guardian->flags, 1, rt2500usb_beacondone, guardian);
1739 * Send out the guardian byte.
1741 usb_submit_urb(guardian->priv, GFP_ATOMIC);
1744 * Enable beacon generation.
1746 rt2500usb_kick_tx_queue(rt2x00dev, IEEE80211_TX_QUEUE_BEACON);
1751 static const struct ieee80211_ops rt2500usb_mac80211_ops = {
1753 .start = rt2x00mac_start,
1754 .stop = rt2x00mac_stop,
1755 .add_interface = rt2x00mac_add_interface,
1756 .remove_interface = rt2x00mac_remove_interface,
1757 .config = rt2x00mac_config,
1758 .config_interface = rt2x00mac_config_interface,
1759 .configure_filter = rt2500usb_configure_filter,
1760 .get_stats = rt2x00mac_get_stats,
1761 .erp_ie_changed = rt2x00mac_erp_ie_changed,
1762 .conf_tx = rt2x00mac_conf_tx,
1763 .get_tx_stats = rt2x00mac_get_tx_stats,
1764 .beacon_update = rt2500usb_beacon_update,
1767 static const struct rt2x00lib_ops rt2500usb_rt2x00_ops = {
1768 .probe_hw = rt2500usb_probe_hw,
1769 .initialize = rt2x00usb_initialize,
1770 .uninitialize = rt2x00usb_uninitialize,
1771 .set_device_state = rt2500usb_set_device_state,
1772 .link_stats = rt2500usb_link_stats,
1773 .reset_tuner = rt2500usb_reset_tuner,
1774 .link_tuner = rt2500usb_link_tuner,
1775 .write_tx_desc = rt2500usb_write_tx_desc,
1776 .write_tx_data = rt2x00usb_write_tx_data,
1777 .get_tx_data_len = rt2500usb_get_tx_data_len,
1778 .kick_tx_queue = rt2500usb_kick_tx_queue,
1779 .fill_rxdone = rt2500usb_fill_rxdone,
1780 .config_mac_addr = rt2500usb_config_mac_addr,
1781 .config_bssid = rt2500usb_config_bssid,
1782 .config_type = rt2500usb_config_type,
1783 .config_preamble = rt2500usb_config_preamble,
1784 .config = rt2500usb_config,
1787 static const struct rt2x00_ops rt2500usb_ops = {
1788 .name = KBUILD_MODNAME,
1789 .rxd_size = RXD_DESC_SIZE,
1790 .txd_size = TXD_DESC_SIZE,
1791 .eeprom_size = EEPROM_SIZE,
1793 .lib = &rt2500usb_rt2x00_ops,
1794 .hw = &rt2500usb_mac80211_ops,
1795 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
1796 .debugfs = &rt2500usb_rt2x00debug,
1797 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
1801 * rt2500usb module information.
1803 static struct usb_device_id rt2500usb_device_table[] = {
1805 { USB_DEVICE(0x0b05, 0x1706), USB_DEVICE_DATA(&rt2500usb_ops) },
1806 { USB_DEVICE(0x0b05, 0x1707), USB_DEVICE_DATA(&rt2500usb_ops) },
1808 { USB_DEVICE(0x050d, 0x7050), USB_DEVICE_DATA(&rt2500usb_ops) },
1809 { USB_DEVICE(0x050d, 0x7051), USB_DEVICE_DATA(&rt2500usb_ops) },
1810 { USB_DEVICE(0x050d, 0x705a), USB_DEVICE_DATA(&rt2500usb_ops) },
1812 { USB_DEVICE(0x13b1, 0x000d), USB_DEVICE_DATA(&rt2500usb_ops) },
1813 { USB_DEVICE(0x13b1, 0x0011), USB_DEVICE_DATA(&rt2500usb_ops) },
1814 { USB_DEVICE(0x13b1, 0x001a), USB_DEVICE_DATA(&rt2500usb_ops) },
1816 { USB_DEVICE(0x14b2, 0x3c02), USB_DEVICE_DATA(&rt2500usb_ops) },
1818 { USB_DEVICE(0x2001, 0x3c00), USB_DEVICE_DATA(&rt2500usb_ops) },
1820 { USB_DEVICE(0x1044, 0x8001), USB_DEVICE_DATA(&rt2500usb_ops) },
1821 { USB_DEVICE(0x1044, 0x8007), USB_DEVICE_DATA(&rt2500usb_ops) },
1823 { USB_DEVICE(0x06f8, 0xe000), USB_DEVICE_DATA(&rt2500usb_ops) },
1825 { USB_DEVICE(0x0411, 0x0066), USB_DEVICE_DATA(&rt2500usb_ops) },
1826 { USB_DEVICE(0x0411, 0x0067), USB_DEVICE_DATA(&rt2500usb_ops) },
1827 { USB_DEVICE(0x0411, 0x008b), USB_DEVICE_DATA(&rt2500usb_ops) },
1828 { USB_DEVICE(0x0411, 0x0097), USB_DEVICE_DATA(&rt2500usb_ops) },
1831 { USB_DEVICE(0x0db0, 0x6861), USB_DEVICE_DATA(&rt2500usb_ops) },
1832 { USB_DEVICE(0x0db0, 0x6865), USB_DEVICE_DATA(&rt2500usb_ops) },
1833 { USB_DEVICE(0x0db0, 0x6869), USB_DEVICE_DATA(&rt2500usb_ops) },
1835 { USB_DEVICE(0x148f, 0x1706), USB_DEVICE_DATA(&rt2500usb_ops) },
1836 { USB_DEVICE(0x148f, 0x2570), USB_DEVICE_DATA(&rt2500usb_ops) },
1837 { USB_DEVICE(0x148f, 0x2573), USB_DEVICE_DATA(&rt2500usb_ops) },
1838 { USB_DEVICE(0x148f, 0x9020), USB_DEVICE_DATA(&rt2500usb_ops) },
1840 { USB_DEVICE(0x0681, 0x3c06), USB_DEVICE_DATA(&rt2500usb_ops) },
1842 { USB_DEVICE(0x0707, 0xee13), USB_DEVICE_DATA(&rt2500usb_ops) },
1844 { USB_DEVICE(0x114b, 0x0110), USB_DEVICE_DATA(&rt2500usb_ops) },
1846 { USB_DEVICE(0x0eb0, 0x9020), USB_DEVICE_DATA(&rt2500usb_ops) },
1848 { USB_DEVICE(0x5a57, 0x0260), USB_DEVICE_DATA(&rt2500usb_ops) },
1852 MODULE_AUTHOR(DRV_PROJECT);
1853 MODULE_VERSION(DRV_VERSION);
1854 MODULE_DESCRIPTION("Ralink RT2500 USB Wireless LAN driver.");
1855 MODULE_SUPPORTED_DEVICE("Ralink RT2570 USB chipset based cards");
1856 MODULE_DEVICE_TABLE(usb, rt2500usb_device_table);
1857 MODULE_LICENSE("GPL");
1859 static struct usb_driver rt2500usb_driver = {
1860 .name = KBUILD_MODNAME,
1861 .id_table = rt2500usb_device_table,
1862 .probe = rt2x00usb_probe,
1863 .disconnect = rt2x00usb_disconnect,
1864 .suspend = rt2x00usb_suspend,
1865 .resume = rt2x00usb_resume,
1868 static int __init rt2500usb_init(void)
1870 return usb_register(&rt2500usb_driver);
1873 static void __exit rt2500usb_exit(void)
1875 usb_deregister(&rt2500usb_driver);
1878 module_init(rt2500usb_init);
1879 module_exit(rt2500usb_exit);