2 Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
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"
39 * Allow hardware encryption to be disabled.
41 static int modparam_nohwcrypt = 0;
42 module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
43 MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
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
60 static inline void rt2500usb_register_read(struct rt2x00_dev *rt2x00dev,
61 const unsigned int offset,
65 rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ,
66 USB_VENDOR_REQUEST_IN, offset,
67 ®, sizeof(reg), REGISTER_TIMEOUT);
68 *value = le16_to_cpu(reg);
71 static inline void rt2500usb_register_read_lock(struct rt2x00_dev *rt2x00dev,
72 const unsigned int offset,
76 rt2x00usb_vendor_req_buff_lock(rt2x00dev, USB_MULTI_READ,
77 USB_VENDOR_REQUEST_IN, offset,
78 ®, sizeof(reg), REGISTER_TIMEOUT);
79 *value = le16_to_cpu(reg);
82 static inline void rt2500usb_register_multiread(struct rt2x00_dev *rt2x00dev,
83 const unsigned int offset,
84 void *value, const u16 length)
86 rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ,
87 USB_VENDOR_REQUEST_IN, offset,
89 REGISTER_TIMEOUT16(length));
92 static inline void rt2500usb_register_write(struct rt2x00_dev *rt2x00dev,
93 const unsigned int offset,
96 __le16 reg = cpu_to_le16(value);
97 rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE,
98 USB_VENDOR_REQUEST_OUT, offset,
99 ®, sizeof(reg), REGISTER_TIMEOUT);
102 static inline void rt2500usb_register_write_lock(struct rt2x00_dev *rt2x00dev,
103 const unsigned int offset,
106 __le16 reg = cpu_to_le16(value);
107 rt2x00usb_vendor_req_buff_lock(rt2x00dev, USB_MULTI_WRITE,
108 USB_VENDOR_REQUEST_OUT, offset,
109 ®, sizeof(reg), REGISTER_TIMEOUT);
112 static inline void rt2500usb_register_multiwrite(struct rt2x00_dev *rt2x00dev,
113 const unsigned int offset,
114 void *value, const u16 length)
116 rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE,
117 USB_VENDOR_REQUEST_OUT, offset,
119 REGISTER_TIMEOUT16(length));
122 static int rt2500usb_regbusy_read(struct rt2x00_dev *rt2x00dev,
123 const unsigned int offset,
124 struct rt2x00_field16 field,
129 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
130 rt2500usb_register_read_lock(rt2x00dev, offset, reg);
131 if (!rt2x00_get_field16(*reg, field))
133 udelay(REGISTER_BUSY_DELAY);
136 ERROR(rt2x00dev, "Indirect register access failed: "
137 "offset=0x%.08x, value=0x%.08x\n", offset, *reg);
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))
148 static void rt2500usb_bbp_write(struct rt2x00_dev *rt2x00dev,
149 const unsigned int word, const u8 value)
153 mutex_lock(&rt2x00dev->csr_mutex);
156 * Wait until the BBP becomes available, afterwards we
157 * can safely write the new data into the register.
159 if (WAIT_FOR_BBP(rt2x00dev, ®)) {
161 rt2x00_set_field16(®, PHY_CSR7_DATA, value);
162 rt2x00_set_field16(®, PHY_CSR7_REG_ID, word);
163 rt2x00_set_field16(®, PHY_CSR7_READ_CONTROL, 0);
165 rt2500usb_register_write_lock(rt2x00dev, PHY_CSR7, reg);
168 mutex_unlock(&rt2x00dev->csr_mutex);
171 static void rt2500usb_bbp_read(struct rt2x00_dev *rt2x00dev,
172 const unsigned int word, u8 *value)
176 mutex_lock(&rt2x00dev->csr_mutex);
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.
186 if (WAIT_FOR_BBP(rt2x00dev, ®)) {
188 rt2x00_set_field16(®, PHY_CSR7_REG_ID, word);
189 rt2x00_set_field16(®, PHY_CSR7_READ_CONTROL, 1);
191 rt2500usb_register_write_lock(rt2x00dev, PHY_CSR7, reg);
193 if (WAIT_FOR_BBP(rt2x00dev, ®))
194 rt2500usb_register_read_lock(rt2x00dev, PHY_CSR7, ®);
197 *value = rt2x00_get_field16(reg, PHY_CSR7_DATA);
199 mutex_unlock(&rt2x00dev->csr_mutex);
202 static void rt2500usb_rf_write(struct rt2x00_dev *rt2x00dev,
203 const unsigned int word, const u32 value)
207 mutex_lock(&rt2x00dev->csr_mutex);
210 * Wait until the RF becomes available, afterwards we
211 * can safely write the new data into the register.
213 if (WAIT_FOR_RF(rt2x00dev, ®)) {
215 rt2x00_set_field16(®, PHY_CSR9_RF_VALUE, value);
216 rt2500usb_register_write_lock(rt2x00dev, PHY_CSR9, reg);
219 rt2x00_set_field16(®, PHY_CSR10_RF_VALUE, value >> 16);
220 rt2x00_set_field16(®, PHY_CSR10_RF_NUMBER_OF_BITS, 20);
221 rt2x00_set_field16(®, PHY_CSR10_RF_IF_SELECT, 0);
222 rt2x00_set_field16(®, PHY_CSR10_RF_BUSY, 1);
224 rt2500usb_register_write_lock(rt2x00dev, PHY_CSR10, reg);
225 rt2x00_rf_write(rt2x00dev, word, value);
228 mutex_unlock(&rt2x00dev->csr_mutex);
231 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
232 static void _rt2500usb_register_read(struct rt2x00_dev *rt2x00dev,
233 const unsigned int offset,
236 rt2500usb_register_read(rt2x00dev, offset, (u16 *)value);
239 static void _rt2500usb_register_write(struct rt2x00_dev *rt2x00dev,
240 const unsigned int offset,
243 rt2500usb_register_write(rt2x00dev, offset, value);
246 static const struct rt2x00debug rt2500usb_rt2x00debug = {
247 .owner = THIS_MODULE,
249 .read = _rt2500usb_register_read,
250 .write = _rt2500usb_register_write,
251 .flags = RT2X00DEBUGFS_OFFSET,
252 .word_base = CSR_REG_BASE,
253 .word_size = sizeof(u16),
254 .word_count = CSR_REG_SIZE / sizeof(u16),
257 .read = rt2x00_eeprom_read,
258 .write = rt2x00_eeprom_write,
259 .word_base = EEPROM_BASE,
260 .word_size = sizeof(u16),
261 .word_count = EEPROM_SIZE / sizeof(u16),
264 .read = rt2500usb_bbp_read,
265 .write = rt2500usb_bbp_write,
266 .word_base = BBP_BASE,
267 .word_size = sizeof(u8),
268 .word_count = BBP_SIZE / sizeof(u8),
271 .read = rt2x00_rf_read,
272 .write = rt2500usb_rf_write,
273 .word_base = RF_BASE,
274 .word_size = sizeof(u32),
275 .word_count = RF_SIZE / sizeof(u32),
278 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
280 static int rt2500usb_rfkill_poll(struct rt2x00_dev *rt2x00dev)
284 rt2500usb_register_read(rt2x00dev, MAC_CSR19, ®);
285 return rt2x00_get_field32(reg, MAC_CSR19_BIT7);
288 #ifdef CONFIG_RT2X00_LIB_LEDS
289 static void rt2500usb_brightness_set(struct led_classdev *led_cdev,
290 enum led_brightness brightness)
292 struct rt2x00_led *led =
293 container_of(led_cdev, struct rt2x00_led, led_dev);
294 unsigned int enabled = brightness != LED_OFF;
297 rt2500usb_register_read(led->rt2x00dev, MAC_CSR20, ®);
299 if (led->type == LED_TYPE_RADIO || led->type == LED_TYPE_ASSOC)
300 rt2x00_set_field16(®, MAC_CSR20_LINK, enabled);
301 else if (led->type == LED_TYPE_ACTIVITY)
302 rt2x00_set_field16(®, MAC_CSR20_ACTIVITY, enabled);
304 rt2500usb_register_write(led->rt2x00dev, MAC_CSR20, reg);
307 static int rt2500usb_blink_set(struct led_classdev *led_cdev,
308 unsigned long *delay_on,
309 unsigned long *delay_off)
311 struct rt2x00_led *led =
312 container_of(led_cdev, struct rt2x00_led, led_dev);
315 rt2500usb_register_read(led->rt2x00dev, MAC_CSR21, ®);
316 rt2x00_set_field16(®, MAC_CSR21_ON_PERIOD, *delay_on);
317 rt2x00_set_field16(®, MAC_CSR21_OFF_PERIOD, *delay_off);
318 rt2500usb_register_write(led->rt2x00dev, MAC_CSR21, reg);
323 static void rt2500usb_init_led(struct rt2x00_dev *rt2x00dev,
324 struct rt2x00_led *led,
327 led->rt2x00dev = rt2x00dev;
329 led->led_dev.brightness_set = rt2500usb_brightness_set;
330 led->led_dev.blink_set = rt2500usb_blink_set;
331 led->flags = LED_INITIALIZED;
333 #endif /* CONFIG_RT2X00_LIB_LEDS */
336 * Configuration handlers.
340 * rt2500usb does not differentiate between shared and pairwise
341 * keys, so we should use the same function for both key types.
343 static int rt2500usb_config_key(struct rt2x00_dev *rt2x00dev,
344 struct rt2x00lib_crypto *crypto,
345 struct ieee80211_key_conf *key)
351 if (crypto->cmd == SET_KEY) {
353 * Pairwise key will always be entry 0, but this
354 * could collide with a shared key on the same
357 mask = TXRX_CSR0_KEY_ID.bit_mask;
359 rt2500usb_register_read(rt2x00dev, TXRX_CSR0, ®);
362 if (reg && reg == mask)
365 reg = rt2x00_get_field16(reg, TXRX_CSR0_KEY_ID);
367 key->hw_key_idx += reg ? ffz(reg) : 0;
370 * The encryption key doesn't fit within the CSR cache,
371 * this means we should allocate it seperately and use
372 * rt2x00usb_vendor_request() to send the key to the hardware.
374 reg = KEY_ENTRY(key->hw_key_idx);
375 timeout = REGISTER_TIMEOUT32(sizeof(crypto->key));
376 rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE,
377 USB_VENDOR_REQUEST_OUT, reg,
383 * The driver does not support the IV/EIV generation
384 * in hardware. However it demands the data to be provided
385 * both seperately as well as inside the frame.
386 * We already provided the CONFIG_CRYPTO_COPY_IV to rt2x00lib
387 * to ensure rt2x00lib will not strip the data from the
388 * frame after the copy, now we must tell mac80211
389 * to generate the IV/EIV data.
391 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
392 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
396 * TXRX_CSR0_KEY_ID contains only single-bit fields to indicate
397 * a particular key is valid.
399 rt2500usb_register_read(rt2x00dev, TXRX_CSR0, ®);
400 rt2x00_set_field16(®, TXRX_CSR0_ALGORITHM, crypto->cipher);
401 rt2x00_set_field16(®, TXRX_CSR0_IV_OFFSET, IEEE80211_HEADER);
403 mask = rt2x00_get_field16(reg, TXRX_CSR0_KEY_ID);
404 if (crypto->cmd == SET_KEY)
405 mask |= 1 << key->hw_key_idx;
406 else if (crypto->cmd == DISABLE_KEY)
407 mask &= ~(1 << key->hw_key_idx);
408 rt2x00_set_field16(®, TXRX_CSR0_KEY_ID, mask);
409 rt2500usb_register_write(rt2x00dev, TXRX_CSR0, reg);
414 static void rt2500usb_config_filter(struct rt2x00_dev *rt2x00dev,
415 const unsigned int filter_flags)
420 * Start configuration steps.
421 * Note that the version error will always be dropped
422 * and broadcast frames will always be accepted since
423 * there is no filter for it at this time.
425 rt2500usb_register_read(rt2x00dev, TXRX_CSR2, ®);
426 rt2x00_set_field16(®, TXRX_CSR2_DROP_CRC,
427 !(filter_flags & FIF_FCSFAIL));
428 rt2x00_set_field16(®, TXRX_CSR2_DROP_PHYSICAL,
429 !(filter_flags & FIF_PLCPFAIL));
430 rt2x00_set_field16(®, TXRX_CSR2_DROP_CONTROL,
431 !(filter_flags & FIF_CONTROL));
432 rt2x00_set_field16(®, TXRX_CSR2_DROP_NOT_TO_ME,
433 !(filter_flags & FIF_PROMISC_IN_BSS));
434 rt2x00_set_field16(®, TXRX_CSR2_DROP_TODS,
435 !(filter_flags & FIF_PROMISC_IN_BSS) &&
436 !rt2x00dev->intf_ap_count);
437 rt2x00_set_field16(®, TXRX_CSR2_DROP_VERSION_ERROR, 1);
438 rt2x00_set_field16(®, TXRX_CSR2_DROP_MULTICAST,
439 !(filter_flags & FIF_ALLMULTI));
440 rt2x00_set_field16(®, TXRX_CSR2_DROP_BROADCAST, 0);
441 rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg);
444 static void rt2500usb_config_intf(struct rt2x00_dev *rt2x00dev,
445 struct rt2x00_intf *intf,
446 struct rt2x00intf_conf *conf,
447 const unsigned int flags)
449 unsigned int bcn_preload;
452 if (flags & CONFIG_UPDATE_TYPE) {
454 * Enable beacon config
456 bcn_preload = PREAMBLE + GET_DURATION(IEEE80211_HEADER, 20);
457 rt2500usb_register_read(rt2x00dev, TXRX_CSR20, ®);
458 rt2x00_set_field16(®, TXRX_CSR20_OFFSET, bcn_preload >> 6);
459 rt2x00_set_field16(®, TXRX_CSR20_BCN_EXPECT_WINDOW,
460 2 * (conf->type != NL80211_IFTYPE_STATION));
461 rt2500usb_register_write(rt2x00dev, TXRX_CSR20, reg);
464 * Enable synchronisation.
466 rt2500usb_register_read(rt2x00dev, TXRX_CSR18, ®);
467 rt2x00_set_field16(®, TXRX_CSR18_OFFSET, 0);
468 rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg);
470 rt2500usb_register_read(rt2x00dev, TXRX_CSR19, ®);
471 rt2x00_set_field16(®, TXRX_CSR19_TSF_COUNT, 1);
472 rt2x00_set_field16(®, TXRX_CSR19_TSF_SYNC, conf->sync);
473 rt2x00_set_field16(®, TXRX_CSR19_TBCN, 1);
474 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
477 if (flags & CONFIG_UPDATE_MAC)
478 rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR2, conf->mac,
479 (3 * sizeof(__le16)));
481 if (flags & CONFIG_UPDATE_BSSID)
482 rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR5, conf->bssid,
483 (3 * sizeof(__le16)));
486 static void rt2500usb_config_erp(struct rt2x00_dev *rt2x00dev,
487 struct rt2x00lib_erp *erp)
491 rt2500usb_register_read(rt2x00dev, TXRX_CSR10, ®);
492 rt2x00_set_field16(®, TXRX_CSR10_AUTORESPOND_PREAMBLE,
493 !!erp->short_preamble);
494 rt2500usb_register_write(rt2x00dev, TXRX_CSR10, reg);
496 rt2500usb_register_write(rt2x00dev, TXRX_CSR11, erp->basic_rates);
498 rt2500usb_register_read(rt2x00dev, TXRX_CSR18, ®);
499 rt2x00_set_field16(®, TXRX_CSR18_INTERVAL, erp->beacon_int * 4);
500 rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg);
502 rt2500usb_register_write(rt2x00dev, MAC_CSR10, erp->slot_time);
503 rt2500usb_register_write(rt2x00dev, MAC_CSR11, erp->sifs);
504 rt2500usb_register_write(rt2x00dev, MAC_CSR12, erp->eifs);
507 static void rt2500usb_config_ant(struct rt2x00_dev *rt2x00dev,
508 struct antenna_setup *ant)
516 * We should never come here because rt2x00lib is supposed
517 * to catch this and send us the correct antenna explicitely.
519 BUG_ON(ant->rx == ANTENNA_SW_DIVERSITY ||
520 ant->tx == ANTENNA_SW_DIVERSITY);
522 rt2500usb_bbp_read(rt2x00dev, 2, &r2);
523 rt2500usb_bbp_read(rt2x00dev, 14, &r14);
524 rt2500usb_register_read(rt2x00dev, PHY_CSR5, &csr5);
525 rt2500usb_register_read(rt2x00dev, PHY_CSR6, &csr6);
528 * Configure the TX antenna.
531 case ANTENNA_HW_DIVERSITY:
532 rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 1);
533 rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 1);
534 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 1);
537 rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 0);
538 rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 0);
539 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 0);
543 rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 2);
544 rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 2);
545 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 2);
550 * Configure the RX antenna.
553 case ANTENNA_HW_DIVERSITY:
554 rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 1);
557 rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 0);
561 rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 2);
566 * RT2525E and RT5222 need to flip TX I/Q
568 if (rt2x00_rf(rt2x00dev, RF2525E) || rt2x00_rf(rt2x00dev, RF5222)) {
569 rt2x00_set_field8(&r2, BBP_R2_TX_IQ_FLIP, 1);
570 rt2x00_set_field16(&csr5, PHY_CSR5_CCK_FLIP, 1);
571 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM_FLIP, 1);
574 * RT2525E does not need RX I/Q Flip.
576 if (rt2x00_rf(rt2x00dev, RF2525E))
577 rt2x00_set_field8(&r14, BBP_R14_RX_IQ_FLIP, 0);
579 rt2x00_set_field16(&csr5, PHY_CSR5_CCK_FLIP, 0);
580 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM_FLIP, 0);
583 rt2500usb_bbp_write(rt2x00dev, 2, r2);
584 rt2500usb_bbp_write(rt2x00dev, 14, r14);
585 rt2500usb_register_write(rt2x00dev, PHY_CSR5, csr5);
586 rt2500usb_register_write(rt2x00dev, PHY_CSR6, csr6);
589 static void rt2500usb_config_channel(struct rt2x00_dev *rt2x00dev,
590 struct rf_channel *rf, const int txpower)
595 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
598 * For RT2525E we should first set the channel to half band higher.
600 if (rt2x00_rf(rt2x00dev, RF2525E)) {
601 static const u32 vals[] = {
602 0x000008aa, 0x000008ae, 0x000008ae, 0x000008b2,
603 0x000008b2, 0x000008b6, 0x000008b6, 0x000008ba,
604 0x000008ba, 0x000008be, 0x000008b7, 0x00000902,
605 0x00000902, 0x00000906
608 rt2500usb_rf_write(rt2x00dev, 2, vals[rf->channel - 1]);
610 rt2500usb_rf_write(rt2x00dev, 4, rf->rf4);
613 rt2500usb_rf_write(rt2x00dev, 1, rf->rf1);
614 rt2500usb_rf_write(rt2x00dev, 2, rf->rf2);
615 rt2500usb_rf_write(rt2x00dev, 3, rf->rf3);
617 rt2500usb_rf_write(rt2x00dev, 4, rf->rf4);
620 static void rt2500usb_config_txpower(struct rt2x00_dev *rt2x00dev,
625 rt2x00_rf_read(rt2x00dev, 3, &rf3);
626 rt2x00_set_field32(&rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
627 rt2500usb_rf_write(rt2x00dev, 3, rf3);
630 static void rt2500usb_config_ps(struct rt2x00_dev *rt2x00dev,
631 struct rt2x00lib_conf *libconf)
633 enum dev_state state =
634 (libconf->conf->flags & IEEE80211_CONF_PS) ?
635 STATE_SLEEP : STATE_AWAKE;
638 if (state == STATE_SLEEP) {
639 rt2500usb_register_read(rt2x00dev, MAC_CSR18, ®);
640 rt2x00_set_field16(®, MAC_CSR18_DELAY_AFTER_BEACON,
641 rt2x00dev->beacon_int - 20);
642 rt2x00_set_field16(®, MAC_CSR18_BEACONS_BEFORE_WAKEUP,
643 libconf->conf->listen_interval - 1);
645 /* We must first disable autowake before it can be enabled */
646 rt2x00_set_field16(®, MAC_CSR18_AUTO_WAKE, 0);
647 rt2500usb_register_write(rt2x00dev, MAC_CSR18, reg);
649 rt2x00_set_field16(®, MAC_CSR18_AUTO_WAKE, 1);
650 rt2500usb_register_write(rt2x00dev, MAC_CSR18, reg);
652 rt2500usb_register_read(rt2x00dev, MAC_CSR18, ®);
653 rt2x00_set_field16(®, MAC_CSR18_AUTO_WAKE, 0);
654 rt2500usb_register_write(rt2x00dev, MAC_CSR18, reg);
657 rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
660 static void rt2500usb_config(struct rt2x00_dev *rt2x00dev,
661 struct rt2x00lib_conf *libconf,
662 const unsigned int flags)
664 if (flags & IEEE80211_CONF_CHANGE_CHANNEL)
665 rt2500usb_config_channel(rt2x00dev, &libconf->rf,
666 libconf->conf->power_level);
667 if ((flags & IEEE80211_CONF_CHANGE_POWER) &&
668 !(flags & IEEE80211_CONF_CHANGE_CHANNEL))
669 rt2500usb_config_txpower(rt2x00dev,
670 libconf->conf->power_level);
671 if (flags & IEEE80211_CONF_CHANGE_PS)
672 rt2500usb_config_ps(rt2x00dev, libconf);
678 static void rt2500usb_link_stats(struct rt2x00_dev *rt2x00dev,
679 struct link_qual *qual)
684 * Update FCS error count from register.
686 rt2500usb_register_read(rt2x00dev, STA_CSR0, ®);
687 qual->rx_failed = rt2x00_get_field16(reg, STA_CSR0_FCS_ERROR);
690 * Update False CCA count from register.
692 rt2500usb_register_read(rt2x00dev, STA_CSR3, ®);
693 qual->false_cca = rt2x00_get_field16(reg, STA_CSR3_FALSE_CCA_ERROR);
696 static void rt2500usb_reset_tuner(struct rt2x00_dev *rt2x00dev,
697 struct link_qual *qual)
702 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &eeprom);
703 value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R24_LOW);
704 rt2500usb_bbp_write(rt2x00dev, 24, value);
706 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &eeprom);
707 value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R25_LOW);
708 rt2500usb_bbp_write(rt2x00dev, 25, value);
710 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &eeprom);
711 value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R61_LOW);
712 rt2500usb_bbp_write(rt2x00dev, 61, value);
714 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &eeprom);
715 value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_VGCUPPER);
716 rt2500usb_bbp_write(rt2x00dev, 17, value);
718 qual->vgc_level = value;
722 * Initialization functions.
724 static int rt2500usb_init_registers(struct rt2x00_dev *rt2x00dev)
728 rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0x0001,
729 USB_MODE_TEST, REGISTER_TIMEOUT);
730 rt2x00usb_vendor_request_sw(rt2x00dev, USB_SINGLE_WRITE, 0x0308,
731 0x00f0, REGISTER_TIMEOUT);
733 rt2500usb_register_read(rt2x00dev, TXRX_CSR2, ®);
734 rt2x00_set_field16(®, TXRX_CSR2_DISABLE_RX, 1);
735 rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg);
737 rt2500usb_register_write(rt2x00dev, MAC_CSR13, 0x1111);
738 rt2500usb_register_write(rt2x00dev, MAC_CSR14, 0x1e11);
740 rt2500usb_register_read(rt2x00dev, MAC_CSR1, ®);
741 rt2x00_set_field16(®, MAC_CSR1_SOFT_RESET, 1);
742 rt2x00_set_field16(®, MAC_CSR1_BBP_RESET, 1);
743 rt2x00_set_field16(®, MAC_CSR1_HOST_READY, 0);
744 rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg);
746 rt2500usb_register_read(rt2x00dev, MAC_CSR1, ®);
747 rt2x00_set_field16(®, MAC_CSR1_SOFT_RESET, 0);
748 rt2x00_set_field16(®, MAC_CSR1_BBP_RESET, 0);
749 rt2x00_set_field16(®, MAC_CSR1_HOST_READY, 0);
750 rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg);
752 rt2500usb_register_read(rt2x00dev, TXRX_CSR5, ®);
753 rt2x00_set_field16(®, TXRX_CSR5_BBP_ID0, 13);
754 rt2x00_set_field16(®, TXRX_CSR5_BBP_ID0_VALID, 1);
755 rt2x00_set_field16(®, TXRX_CSR5_BBP_ID1, 12);
756 rt2x00_set_field16(®, TXRX_CSR5_BBP_ID1_VALID, 1);
757 rt2500usb_register_write(rt2x00dev, TXRX_CSR5, reg);
759 rt2500usb_register_read(rt2x00dev, TXRX_CSR6, ®);
760 rt2x00_set_field16(®, TXRX_CSR6_BBP_ID0, 10);
761 rt2x00_set_field16(®, TXRX_CSR6_BBP_ID0_VALID, 1);
762 rt2x00_set_field16(®, TXRX_CSR6_BBP_ID1, 11);
763 rt2x00_set_field16(®, TXRX_CSR6_BBP_ID1_VALID, 1);
764 rt2500usb_register_write(rt2x00dev, TXRX_CSR6, reg);
766 rt2500usb_register_read(rt2x00dev, TXRX_CSR7, ®);
767 rt2x00_set_field16(®, TXRX_CSR7_BBP_ID0, 7);
768 rt2x00_set_field16(®, TXRX_CSR7_BBP_ID0_VALID, 1);
769 rt2x00_set_field16(®, TXRX_CSR7_BBP_ID1, 6);
770 rt2x00_set_field16(®, TXRX_CSR7_BBP_ID1_VALID, 1);
771 rt2500usb_register_write(rt2x00dev, TXRX_CSR7, reg);
773 rt2500usb_register_read(rt2x00dev, TXRX_CSR8, ®);
774 rt2x00_set_field16(®, TXRX_CSR8_BBP_ID0, 5);
775 rt2x00_set_field16(®, TXRX_CSR8_BBP_ID0_VALID, 1);
776 rt2x00_set_field16(®, TXRX_CSR8_BBP_ID1, 0);
777 rt2x00_set_field16(®, TXRX_CSR8_BBP_ID1_VALID, 0);
778 rt2500usb_register_write(rt2x00dev, TXRX_CSR8, reg);
780 rt2500usb_register_read(rt2x00dev, TXRX_CSR19, ®);
781 rt2x00_set_field16(®, TXRX_CSR19_TSF_COUNT, 0);
782 rt2x00_set_field16(®, TXRX_CSR19_TSF_SYNC, 0);
783 rt2x00_set_field16(®, TXRX_CSR19_TBCN, 0);
784 rt2x00_set_field16(®, TXRX_CSR19_BEACON_GEN, 0);
785 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
787 rt2500usb_register_write(rt2x00dev, TXRX_CSR21, 0xe78f);
788 rt2500usb_register_write(rt2x00dev, MAC_CSR9, 0xff1d);
790 if (rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_AWAKE))
793 rt2500usb_register_read(rt2x00dev, MAC_CSR1, ®);
794 rt2x00_set_field16(®, MAC_CSR1_SOFT_RESET, 0);
795 rt2x00_set_field16(®, MAC_CSR1_BBP_RESET, 0);
796 rt2x00_set_field16(®, MAC_CSR1_HOST_READY, 1);
797 rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg);
799 if (rt2x00_rev(rt2x00dev) >= RT2570_VERSION_C) {
800 rt2500usb_register_read(rt2x00dev, PHY_CSR2, ®);
801 rt2x00_set_field16(®, PHY_CSR2_LNA, 0);
804 rt2x00_set_field16(®, PHY_CSR2_LNA, 1);
805 rt2x00_set_field16(®, PHY_CSR2_LNA_MODE, 3);
807 rt2500usb_register_write(rt2x00dev, PHY_CSR2, reg);
809 rt2500usb_register_write(rt2x00dev, MAC_CSR11, 0x0002);
810 rt2500usb_register_write(rt2x00dev, MAC_CSR22, 0x0053);
811 rt2500usb_register_write(rt2x00dev, MAC_CSR15, 0x01ee);
812 rt2500usb_register_write(rt2x00dev, MAC_CSR16, 0x0000);
814 rt2500usb_register_read(rt2x00dev, MAC_CSR8, ®);
815 rt2x00_set_field16(®, MAC_CSR8_MAX_FRAME_UNIT,
816 rt2x00dev->rx->data_size);
817 rt2500usb_register_write(rt2x00dev, MAC_CSR8, reg);
819 rt2500usb_register_read(rt2x00dev, TXRX_CSR0, ®);
820 rt2x00_set_field16(®, TXRX_CSR0_IV_OFFSET, IEEE80211_HEADER);
821 rt2x00_set_field16(®, TXRX_CSR0_KEY_ID, 0);
822 rt2500usb_register_write(rt2x00dev, TXRX_CSR0, reg);
824 rt2500usb_register_read(rt2x00dev, MAC_CSR18, ®);
825 rt2x00_set_field16(®, MAC_CSR18_DELAY_AFTER_BEACON, 90);
826 rt2500usb_register_write(rt2x00dev, MAC_CSR18, reg);
828 rt2500usb_register_read(rt2x00dev, PHY_CSR4, ®);
829 rt2x00_set_field16(®, PHY_CSR4_LOW_RF_LE, 1);
830 rt2500usb_register_write(rt2x00dev, PHY_CSR4, reg);
832 rt2500usb_register_read(rt2x00dev, TXRX_CSR1, ®);
833 rt2x00_set_field16(®, TXRX_CSR1_AUTO_SEQUENCE, 1);
834 rt2500usb_register_write(rt2x00dev, TXRX_CSR1, reg);
839 static int rt2500usb_wait_bbp_ready(struct rt2x00_dev *rt2x00dev)
844 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
845 rt2500usb_bbp_read(rt2x00dev, 0, &value);
846 if ((value != 0xff) && (value != 0x00))
848 udelay(REGISTER_BUSY_DELAY);
851 ERROR(rt2x00dev, "BBP register access failed, aborting.\n");
855 static int rt2500usb_init_bbp(struct rt2x00_dev *rt2x00dev)
862 if (unlikely(rt2500usb_wait_bbp_ready(rt2x00dev)))
865 rt2500usb_bbp_write(rt2x00dev, 3, 0x02);
866 rt2500usb_bbp_write(rt2x00dev, 4, 0x19);
867 rt2500usb_bbp_write(rt2x00dev, 14, 0x1c);
868 rt2500usb_bbp_write(rt2x00dev, 15, 0x30);
869 rt2500usb_bbp_write(rt2x00dev, 16, 0xac);
870 rt2500usb_bbp_write(rt2x00dev, 18, 0x18);
871 rt2500usb_bbp_write(rt2x00dev, 19, 0xff);
872 rt2500usb_bbp_write(rt2x00dev, 20, 0x1e);
873 rt2500usb_bbp_write(rt2x00dev, 21, 0x08);
874 rt2500usb_bbp_write(rt2x00dev, 22, 0x08);
875 rt2500usb_bbp_write(rt2x00dev, 23, 0x08);
876 rt2500usb_bbp_write(rt2x00dev, 24, 0x80);
877 rt2500usb_bbp_write(rt2x00dev, 25, 0x50);
878 rt2500usb_bbp_write(rt2x00dev, 26, 0x08);
879 rt2500usb_bbp_write(rt2x00dev, 27, 0x23);
880 rt2500usb_bbp_write(rt2x00dev, 30, 0x10);
881 rt2500usb_bbp_write(rt2x00dev, 31, 0x2b);
882 rt2500usb_bbp_write(rt2x00dev, 32, 0xb9);
883 rt2500usb_bbp_write(rt2x00dev, 34, 0x12);
884 rt2500usb_bbp_write(rt2x00dev, 35, 0x50);
885 rt2500usb_bbp_write(rt2x00dev, 39, 0xc4);
886 rt2500usb_bbp_write(rt2x00dev, 40, 0x02);
887 rt2500usb_bbp_write(rt2x00dev, 41, 0x60);
888 rt2500usb_bbp_write(rt2x00dev, 53, 0x10);
889 rt2500usb_bbp_write(rt2x00dev, 54, 0x18);
890 rt2500usb_bbp_write(rt2x00dev, 56, 0x08);
891 rt2500usb_bbp_write(rt2x00dev, 57, 0x10);
892 rt2500usb_bbp_write(rt2x00dev, 58, 0x08);
893 rt2500usb_bbp_write(rt2x00dev, 61, 0x60);
894 rt2500usb_bbp_write(rt2x00dev, 62, 0x10);
895 rt2500usb_bbp_write(rt2x00dev, 75, 0xff);
897 for (i = 0; i < EEPROM_BBP_SIZE; i++) {
898 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
900 if (eeprom != 0xffff && eeprom != 0x0000) {
901 reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
902 value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
903 rt2500usb_bbp_write(rt2x00dev, reg_id, value);
911 * Device state switch handlers.
913 static void rt2500usb_toggle_rx(struct rt2x00_dev *rt2x00dev,
914 enum dev_state state)
918 rt2500usb_register_read(rt2x00dev, TXRX_CSR2, ®);
919 rt2x00_set_field16(®, TXRX_CSR2_DISABLE_RX,
920 (state == STATE_RADIO_RX_OFF) ||
921 (state == STATE_RADIO_RX_OFF_LINK));
922 rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg);
925 static int rt2500usb_enable_radio(struct rt2x00_dev *rt2x00dev)
928 * Initialize all registers.
930 if (unlikely(rt2500usb_init_registers(rt2x00dev) ||
931 rt2500usb_init_bbp(rt2x00dev)))
937 static void rt2500usb_disable_radio(struct rt2x00_dev *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);
988 static int rt2500usb_set_device_state(struct rt2x00_dev *rt2x00dev,
989 enum dev_state state)
995 retval = rt2500usb_enable_radio(rt2x00dev);
997 case STATE_RADIO_OFF:
998 rt2500usb_disable_radio(rt2x00dev);
1000 case STATE_RADIO_RX_ON:
1001 case STATE_RADIO_RX_ON_LINK:
1002 case STATE_RADIO_RX_OFF:
1003 case STATE_RADIO_RX_OFF_LINK:
1004 rt2500usb_toggle_rx(rt2x00dev, state);
1006 case STATE_RADIO_IRQ_ON:
1007 case STATE_RADIO_IRQ_OFF:
1008 /* No support, but no error either */
1010 case STATE_DEEP_SLEEP:
1014 retval = rt2500usb_set_state(rt2x00dev, state);
1021 if (unlikely(retval))
1022 ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n",
1029 * TX descriptor initialization
1031 static void rt2500usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
1032 struct sk_buff *skb,
1033 struct txentry_desc *txdesc)
1035 struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
1036 __le32 *txd = skbdesc->desc;
1040 * Start writing the descriptor words.
1042 rt2x00_desc_read(txd, 1, &word);
1043 rt2x00_set_field32(&word, TXD_W1_IV_OFFSET, txdesc->iv_offset);
1044 rt2x00_set_field32(&word, TXD_W1_AIFS, txdesc->aifs);
1045 rt2x00_set_field32(&word, TXD_W1_CWMIN, txdesc->cw_min);
1046 rt2x00_set_field32(&word, TXD_W1_CWMAX, txdesc->cw_max);
1047 rt2x00_desc_write(txd, 1, word);
1049 rt2x00_desc_read(txd, 2, &word);
1050 rt2x00_set_field32(&word, TXD_W2_PLCP_SIGNAL, txdesc->signal);
1051 rt2x00_set_field32(&word, TXD_W2_PLCP_SERVICE, txdesc->service);
1052 rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_LOW, txdesc->length_low);
1053 rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_HIGH, txdesc->length_high);
1054 rt2x00_desc_write(txd, 2, word);
1056 if (test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags)) {
1057 _rt2x00_desc_write(txd, 3, skbdesc->iv[0]);
1058 _rt2x00_desc_write(txd, 4, skbdesc->iv[1]);
1061 rt2x00_desc_read(txd, 0, &word);
1062 rt2x00_set_field32(&word, TXD_W0_RETRY_LIMIT, txdesc->retry_limit);
1063 rt2x00_set_field32(&word, TXD_W0_MORE_FRAG,
1064 test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
1065 rt2x00_set_field32(&word, TXD_W0_ACK,
1066 test_bit(ENTRY_TXD_ACK, &txdesc->flags));
1067 rt2x00_set_field32(&word, TXD_W0_TIMESTAMP,
1068 test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
1069 rt2x00_set_field32(&word, TXD_W0_OFDM,
1070 (txdesc->rate_mode == RATE_MODE_OFDM));
1071 rt2x00_set_field32(&word, TXD_W0_NEW_SEQ,
1072 test_bit(ENTRY_TXD_FIRST_FRAGMENT, &txdesc->flags));
1073 rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs);
1074 rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, skb->len);
1075 rt2x00_set_field32(&word, TXD_W0_CIPHER, !!txdesc->cipher);
1076 rt2x00_set_field32(&word, TXD_W0_KEY_ID, txdesc->key_idx);
1077 rt2x00_desc_write(txd, 0, word);
1081 * TX data initialization
1083 static void rt2500usb_beacondone(struct urb *urb);
1085 static void rt2500usb_write_beacon(struct queue_entry *entry)
1087 struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
1088 struct usb_device *usb_dev = to_usb_device_intf(rt2x00dev->dev);
1089 struct queue_entry_priv_usb_bcn *bcn_priv = entry->priv_data;
1090 struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
1091 int pipe = usb_sndbulkpipe(usb_dev, entry->queue->usb_endpoint);
1096 * Add the descriptor in front of the skb.
1098 skb_push(entry->skb, entry->queue->desc_size);
1099 memcpy(entry->skb->data, skbdesc->desc, skbdesc->desc_len);
1100 skbdesc->desc = entry->skb->data;
1103 * Disable beaconing while we are reloading the beacon data,
1104 * otherwise we might be sending out invalid data.
1106 rt2500usb_register_read(rt2x00dev, TXRX_CSR19, ®);
1107 rt2x00_set_field16(®, TXRX_CSR19_BEACON_GEN, 0);
1108 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
1111 * USB devices cannot blindly pass the skb->len as the
1112 * length of the data to usb_fill_bulk_urb. Pass the skb
1113 * to the driver to determine what the length should be.
1115 length = rt2x00dev->ops->lib->get_tx_data_len(entry);
1117 usb_fill_bulk_urb(bcn_priv->urb, usb_dev, pipe,
1118 entry->skb->data, length, rt2500usb_beacondone,
1122 * Second we need to create the guardian byte.
1123 * We only need a single byte, so lets recycle
1124 * the 'flags' field we are not using for beacons.
1126 bcn_priv->guardian_data = 0;
1127 usb_fill_bulk_urb(bcn_priv->guardian_urb, usb_dev, pipe,
1128 &bcn_priv->guardian_data, 1, rt2500usb_beacondone,
1132 * Send out the guardian byte.
1134 usb_submit_urb(bcn_priv->guardian_urb, GFP_ATOMIC);
1137 static int rt2500usb_get_tx_data_len(struct queue_entry *entry)
1142 * The length _must_ be a multiple of 2,
1143 * but it must _not_ be a multiple of the USB packet size.
1145 length = roundup(entry->skb->len, 2);
1146 length += (2 * !(length % entry->queue->usb_maxpacket));
1151 static void rt2500usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
1152 const enum data_queue_qid queue)
1156 if (queue != QID_BEACON) {
1157 rt2x00usb_kick_tx_queue(rt2x00dev, queue);
1161 rt2500usb_register_read(rt2x00dev, TXRX_CSR19, ®);
1162 if (!rt2x00_get_field16(reg, TXRX_CSR19_BEACON_GEN)) {
1163 rt2x00_set_field16(®, TXRX_CSR19_TSF_COUNT, 1);
1164 rt2x00_set_field16(®, TXRX_CSR19_TBCN, 1);
1166 rt2x00_set_field16(®, TXRX_CSR19_BEACON_GEN, 1);
1168 * Beacon generation will fail initially.
1169 * To prevent this we need to change the TXRX_CSR19
1170 * register several times (reg0 is the same as reg
1171 * except for TXRX_CSR19_BEACON_GEN, which is 0 in reg0
1174 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
1175 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg0);
1176 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
1177 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg0);
1178 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
1183 * RX control handlers
1185 static void rt2500usb_fill_rxdone(struct queue_entry *entry,
1186 struct rxdone_entry_desc *rxdesc)
1188 struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
1189 struct queue_entry_priv_usb *entry_priv = entry->priv_data;
1190 struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
1192 (__le32 *)(entry->skb->data +
1193 (entry_priv->urb->actual_length -
1194 entry->queue->desc_size));
1199 * Copy descriptor to the skbdesc->desc buffer, making it safe from moving of
1200 * frame data in rt2x00usb.
1202 memcpy(skbdesc->desc, rxd, skbdesc->desc_len);
1203 rxd = (__le32 *)skbdesc->desc;
1206 * It is now safe to read the descriptor on all architectures.
1208 rt2x00_desc_read(rxd, 0, &word0);
1209 rt2x00_desc_read(rxd, 1, &word1);
1211 if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR))
1212 rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
1213 if (rt2x00_get_field32(word0, RXD_W0_PHYSICAL_ERROR))
1214 rxdesc->flags |= RX_FLAG_FAILED_PLCP_CRC;
1216 if (test_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags)) {
1217 rxdesc->cipher = rt2x00_get_field32(word0, RXD_W0_CIPHER);
1218 if (rt2x00_get_field32(word0, RXD_W0_CIPHER_ERROR))
1219 rxdesc->cipher_status = RX_CRYPTO_FAIL_KEY;
1222 if (rxdesc->cipher != CIPHER_NONE) {
1223 _rt2x00_desc_read(rxd, 2, &rxdesc->iv[0]);
1224 _rt2x00_desc_read(rxd, 3, &rxdesc->iv[1]);
1225 rxdesc->dev_flags |= RXDONE_CRYPTO_IV;
1227 /* ICV is located at the end of frame */
1229 rxdesc->flags |= RX_FLAG_MMIC_STRIPPED;
1230 if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS)
1231 rxdesc->flags |= RX_FLAG_DECRYPTED;
1232 else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC)
1233 rxdesc->flags |= RX_FLAG_MMIC_ERROR;
1237 * Obtain the status about this packet.
1238 * When frame was received with an OFDM bitrate,
1239 * the signal is the PLCP value. If it was received with
1240 * a CCK bitrate the signal is the rate in 100kbit/s.
1242 rxdesc->signal = rt2x00_get_field32(word1, RXD_W1_SIGNAL);
1244 rt2x00_get_field32(word1, RXD_W1_RSSI) - rt2x00dev->rssi_offset;
1245 rxdesc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT);
1247 if (rt2x00_get_field32(word0, RXD_W0_OFDM))
1248 rxdesc->dev_flags |= RXDONE_SIGNAL_PLCP;
1250 rxdesc->dev_flags |= RXDONE_SIGNAL_BITRATE;
1251 if (rt2x00_get_field32(word0, RXD_W0_MY_BSS))
1252 rxdesc->dev_flags |= RXDONE_MY_BSS;
1255 * Adjust the skb memory window to the frame boundaries.
1257 skb_trim(entry->skb, rxdesc->size);
1261 * Interrupt functions.
1263 static void rt2500usb_beacondone(struct urb *urb)
1265 struct queue_entry *entry = (struct queue_entry *)urb->context;
1266 struct queue_entry_priv_usb_bcn *bcn_priv = entry->priv_data;
1268 if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &entry->queue->rt2x00dev->flags))
1272 * Check if this was the guardian beacon,
1273 * if that was the case we need to send the real beacon now.
1274 * Otherwise we should free the sk_buffer, the device
1275 * should be doing the rest of the work now.
1277 if (bcn_priv->guardian_urb == urb) {
1278 usb_submit_urb(bcn_priv->urb, GFP_ATOMIC);
1279 } else if (bcn_priv->urb == urb) {
1280 dev_kfree_skb(entry->skb);
1286 * Device probe functions.
1288 static int rt2500usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
1294 rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom, EEPROM_SIZE);
1297 * Start validation of the data that has been read.
1299 mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
1300 if (!is_valid_ether_addr(mac)) {
1301 random_ether_addr(mac);
1302 EEPROM(rt2x00dev, "MAC: %pM\n", mac);
1305 rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
1306 if (word == 0xffff) {
1307 rt2x00_set_field16(&word, EEPROM_ANTENNA_NUM, 2);
1308 rt2x00_set_field16(&word, EEPROM_ANTENNA_TX_DEFAULT,
1309 ANTENNA_SW_DIVERSITY);
1310 rt2x00_set_field16(&word, EEPROM_ANTENNA_RX_DEFAULT,
1311 ANTENNA_SW_DIVERSITY);
1312 rt2x00_set_field16(&word, EEPROM_ANTENNA_LED_MODE,
1314 rt2x00_set_field16(&word, EEPROM_ANTENNA_DYN_TXAGC, 0);
1315 rt2x00_set_field16(&word, EEPROM_ANTENNA_HARDWARE_RADIO, 0);
1316 rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF2522);
1317 rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
1318 EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word);
1321 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word);
1322 if (word == 0xffff) {
1323 rt2x00_set_field16(&word, EEPROM_NIC_CARDBUS_ACCEL, 0);
1324 rt2x00_set_field16(&word, EEPROM_NIC_DYN_BBP_TUNE, 0);
1325 rt2x00_set_field16(&word, EEPROM_NIC_CCK_TX_POWER, 0);
1326 rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word);
1327 EEPROM(rt2x00dev, "NIC: 0x%04x\n", word);
1330 rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &word);
1331 if (word == 0xffff) {
1332 rt2x00_set_field16(&word, EEPROM_CALIBRATE_OFFSET_RSSI,
1333 DEFAULT_RSSI_OFFSET);
1334 rt2x00_eeprom_write(rt2x00dev, EEPROM_CALIBRATE_OFFSET, word);
1335 EEPROM(rt2x00dev, "Calibrate offset: 0x%04x\n", word);
1338 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE, &word);
1339 if (word == 0xffff) {
1340 rt2x00_set_field16(&word, EEPROM_BBPTUNE_THRESHOLD, 45);
1341 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE, word);
1342 EEPROM(rt2x00dev, "BBPtune: 0x%04x\n", word);
1346 * Switch lower vgc bound to current BBP R17 value,
1347 * lower the value a bit for better quality.
1349 rt2500usb_bbp_read(rt2x00dev, 17, &bbp);
1352 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &word);
1353 if (word == 0xffff) {
1354 rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCUPPER, 0x40);
1355 rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCLOWER, bbp);
1356 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_VGC, word);
1357 EEPROM(rt2x00dev, "BBPtune vgc: 0x%04x\n", word);
1359 rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCLOWER, bbp);
1360 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_VGC, word);
1363 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R17, &word);
1364 if (word == 0xffff) {
1365 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R17_LOW, 0x48);
1366 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R17_HIGH, 0x41);
1367 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R17, word);
1368 EEPROM(rt2x00dev, "BBPtune r17: 0x%04x\n", word);
1371 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &word);
1372 if (word == 0xffff) {
1373 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R24_LOW, 0x40);
1374 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R24_HIGH, 0x80);
1375 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R24, word);
1376 EEPROM(rt2x00dev, "BBPtune r24: 0x%04x\n", word);
1379 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &word);
1380 if (word == 0xffff) {
1381 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R25_LOW, 0x40);
1382 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R25_HIGH, 0x50);
1383 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R25, word);
1384 EEPROM(rt2x00dev, "BBPtune r25: 0x%04x\n", word);
1387 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &word);
1388 if (word == 0xffff) {
1389 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R61_LOW, 0x60);
1390 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R61_HIGH, 0x6d);
1391 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R61, word);
1392 EEPROM(rt2x00dev, "BBPtune r61: 0x%04x\n", word);
1398 static int rt2500usb_init_eeprom(struct rt2x00_dev *rt2x00dev)
1405 * Read EEPROM word for configuration.
1407 rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
1410 * Identify RF chipset.
1412 value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
1413 rt2500usb_register_read(rt2x00dev, MAC_CSR0, ®);
1414 rt2x00_set_chip(rt2x00dev, RT2570, value, reg);
1416 if (((reg & 0xfff0) != 0) || ((reg & 0x0000000f) == 0)) {
1417 ERROR(rt2x00dev, "Invalid RT chipset detected.\n");
1421 if (!rt2x00_rf(rt2x00dev, RF2522) &&
1422 !rt2x00_rf(rt2x00dev, RF2523) &&
1423 !rt2x00_rf(rt2x00dev, RF2524) &&
1424 !rt2x00_rf(rt2x00dev, RF2525) &&
1425 !rt2x00_rf(rt2x00dev, RF2525E) &&
1426 !rt2x00_rf(rt2x00dev, RF5222)) {
1427 ERROR(rt2x00dev, "Invalid RF chipset detected.\n");
1432 * Identify default antenna configuration.
1434 rt2x00dev->default_ant.tx =
1435 rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TX_DEFAULT);
1436 rt2x00dev->default_ant.rx =
1437 rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_DEFAULT);
1440 * When the eeprom indicates SW_DIVERSITY use HW_DIVERSITY instead.
1441 * I am not 100% sure about this, but the legacy drivers do not
1442 * indicate antenna swapping in software is required when
1443 * diversity is enabled.
1445 if (rt2x00dev->default_ant.tx == ANTENNA_SW_DIVERSITY)
1446 rt2x00dev->default_ant.tx = ANTENNA_HW_DIVERSITY;
1447 if (rt2x00dev->default_ant.rx == ANTENNA_SW_DIVERSITY)
1448 rt2x00dev->default_ant.rx = ANTENNA_HW_DIVERSITY;
1451 * Store led mode, for correct led behaviour.
1453 #ifdef CONFIG_RT2X00_LIB_LEDS
1454 value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_LED_MODE);
1456 rt2500usb_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO);
1457 if (value == LED_MODE_TXRX_ACTIVITY ||
1458 value == LED_MODE_DEFAULT ||
1459 value == LED_MODE_ASUS)
1460 rt2500usb_init_led(rt2x00dev, &rt2x00dev->led_qual,
1462 #endif /* CONFIG_RT2X00_LIB_LEDS */
1465 * Detect if this device has an hardware controlled radio.
1467 if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO))
1468 __set_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags);
1471 * Check if the BBP tuning should be disabled.
1473 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom);
1474 if (rt2x00_get_field16(eeprom, EEPROM_NIC_DYN_BBP_TUNE))
1475 __set_bit(CONFIG_DISABLE_LINK_TUNING, &rt2x00dev->flags);
1478 * Read the RSSI <-> dBm offset information.
1480 rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &eeprom);
1481 rt2x00dev->rssi_offset =
1482 rt2x00_get_field16(eeprom, EEPROM_CALIBRATE_OFFSET_RSSI);
1488 * RF value list for RF2522
1491 static const struct rf_channel rf_vals_bg_2522[] = {
1492 { 1, 0x00002050, 0x000c1fda, 0x00000101, 0 },
1493 { 2, 0x00002050, 0x000c1fee, 0x00000101, 0 },
1494 { 3, 0x00002050, 0x000c2002, 0x00000101, 0 },
1495 { 4, 0x00002050, 0x000c2016, 0x00000101, 0 },
1496 { 5, 0x00002050, 0x000c202a, 0x00000101, 0 },
1497 { 6, 0x00002050, 0x000c203e, 0x00000101, 0 },
1498 { 7, 0x00002050, 0x000c2052, 0x00000101, 0 },
1499 { 8, 0x00002050, 0x000c2066, 0x00000101, 0 },
1500 { 9, 0x00002050, 0x000c207a, 0x00000101, 0 },
1501 { 10, 0x00002050, 0x000c208e, 0x00000101, 0 },
1502 { 11, 0x00002050, 0x000c20a2, 0x00000101, 0 },
1503 { 12, 0x00002050, 0x000c20b6, 0x00000101, 0 },
1504 { 13, 0x00002050, 0x000c20ca, 0x00000101, 0 },
1505 { 14, 0x00002050, 0x000c20fa, 0x00000101, 0 },
1509 * RF value list for RF2523
1512 static const struct rf_channel rf_vals_bg_2523[] = {
1513 { 1, 0x00022010, 0x00000c9e, 0x000e0111, 0x00000a1b },
1514 { 2, 0x00022010, 0x00000ca2, 0x000e0111, 0x00000a1b },
1515 { 3, 0x00022010, 0x00000ca6, 0x000e0111, 0x00000a1b },
1516 { 4, 0x00022010, 0x00000caa, 0x000e0111, 0x00000a1b },
1517 { 5, 0x00022010, 0x00000cae, 0x000e0111, 0x00000a1b },
1518 { 6, 0x00022010, 0x00000cb2, 0x000e0111, 0x00000a1b },
1519 { 7, 0x00022010, 0x00000cb6, 0x000e0111, 0x00000a1b },
1520 { 8, 0x00022010, 0x00000cba, 0x000e0111, 0x00000a1b },
1521 { 9, 0x00022010, 0x00000cbe, 0x000e0111, 0x00000a1b },
1522 { 10, 0x00022010, 0x00000d02, 0x000e0111, 0x00000a1b },
1523 { 11, 0x00022010, 0x00000d06, 0x000e0111, 0x00000a1b },
1524 { 12, 0x00022010, 0x00000d0a, 0x000e0111, 0x00000a1b },
1525 { 13, 0x00022010, 0x00000d0e, 0x000e0111, 0x00000a1b },
1526 { 14, 0x00022010, 0x00000d1a, 0x000e0111, 0x00000a03 },
1530 * RF value list for RF2524
1533 static const struct rf_channel rf_vals_bg_2524[] = {
1534 { 1, 0x00032020, 0x00000c9e, 0x00000101, 0x00000a1b },
1535 { 2, 0x00032020, 0x00000ca2, 0x00000101, 0x00000a1b },
1536 { 3, 0x00032020, 0x00000ca6, 0x00000101, 0x00000a1b },
1537 { 4, 0x00032020, 0x00000caa, 0x00000101, 0x00000a1b },
1538 { 5, 0x00032020, 0x00000cae, 0x00000101, 0x00000a1b },
1539 { 6, 0x00032020, 0x00000cb2, 0x00000101, 0x00000a1b },
1540 { 7, 0x00032020, 0x00000cb6, 0x00000101, 0x00000a1b },
1541 { 8, 0x00032020, 0x00000cba, 0x00000101, 0x00000a1b },
1542 { 9, 0x00032020, 0x00000cbe, 0x00000101, 0x00000a1b },
1543 { 10, 0x00032020, 0x00000d02, 0x00000101, 0x00000a1b },
1544 { 11, 0x00032020, 0x00000d06, 0x00000101, 0x00000a1b },
1545 { 12, 0x00032020, 0x00000d0a, 0x00000101, 0x00000a1b },
1546 { 13, 0x00032020, 0x00000d0e, 0x00000101, 0x00000a1b },
1547 { 14, 0x00032020, 0x00000d1a, 0x00000101, 0x00000a03 },
1551 * RF value list for RF2525
1554 static const struct rf_channel rf_vals_bg_2525[] = {
1555 { 1, 0x00022020, 0x00080c9e, 0x00060111, 0x00000a1b },
1556 { 2, 0x00022020, 0x00080ca2, 0x00060111, 0x00000a1b },
1557 { 3, 0x00022020, 0x00080ca6, 0x00060111, 0x00000a1b },
1558 { 4, 0x00022020, 0x00080caa, 0x00060111, 0x00000a1b },
1559 { 5, 0x00022020, 0x00080cae, 0x00060111, 0x00000a1b },
1560 { 6, 0x00022020, 0x00080cb2, 0x00060111, 0x00000a1b },
1561 { 7, 0x00022020, 0x00080cb6, 0x00060111, 0x00000a1b },
1562 { 8, 0x00022020, 0x00080cba, 0x00060111, 0x00000a1b },
1563 { 9, 0x00022020, 0x00080cbe, 0x00060111, 0x00000a1b },
1564 { 10, 0x00022020, 0x00080d02, 0x00060111, 0x00000a1b },
1565 { 11, 0x00022020, 0x00080d06, 0x00060111, 0x00000a1b },
1566 { 12, 0x00022020, 0x00080d0a, 0x00060111, 0x00000a1b },
1567 { 13, 0x00022020, 0x00080d0e, 0x00060111, 0x00000a1b },
1568 { 14, 0x00022020, 0x00080d1a, 0x00060111, 0x00000a03 },
1572 * RF value list for RF2525e
1575 static const struct rf_channel rf_vals_bg_2525e[] = {
1576 { 1, 0x00022010, 0x0000089a, 0x00060111, 0x00000e1b },
1577 { 2, 0x00022010, 0x0000089e, 0x00060111, 0x00000e07 },
1578 { 3, 0x00022010, 0x0000089e, 0x00060111, 0x00000e1b },
1579 { 4, 0x00022010, 0x000008a2, 0x00060111, 0x00000e07 },
1580 { 5, 0x00022010, 0x000008a2, 0x00060111, 0x00000e1b },
1581 { 6, 0x00022010, 0x000008a6, 0x00060111, 0x00000e07 },
1582 { 7, 0x00022010, 0x000008a6, 0x00060111, 0x00000e1b },
1583 { 8, 0x00022010, 0x000008aa, 0x00060111, 0x00000e07 },
1584 { 9, 0x00022010, 0x000008aa, 0x00060111, 0x00000e1b },
1585 { 10, 0x00022010, 0x000008ae, 0x00060111, 0x00000e07 },
1586 { 11, 0x00022010, 0x000008ae, 0x00060111, 0x00000e1b },
1587 { 12, 0x00022010, 0x000008b2, 0x00060111, 0x00000e07 },
1588 { 13, 0x00022010, 0x000008b2, 0x00060111, 0x00000e1b },
1589 { 14, 0x00022010, 0x000008b6, 0x00060111, 0x00000e23 },
1593 * RF value list for RF5222
1594 * Supports: 2.4 GHz & 5.2 GHz
1596 static const struct rf_channel rf_vals_5222[] = {
1597 { 1, 0x00022020, 0x00001136, 0x00000101, 0x00000a0b },
1598 { 2, 0x00022020, 0x0000113a, 0x00000101, 0x00000a0b },
1599 { 3, 0x00022020, 0x0000113e, 0x00000101, 0x00000a0b },
1600 { 4, 0x00022020, 0x00001182, 0x00000101, 0x00000a0b },
1601 { 5, 0x00022020, 0x00001186, 0x00000101, 0x00000a0b },
1602 { 6, 0x00022020, 0x0000118a, 0x00000101, 0x00000a0b },
1603 { 7, 0x00022020, 0x0000118e, 0x00000101, 0x00000a0b },
1604 { 8, 0x00022020, 0x00001192, 0x00000101, 0x00000a0b },
1605 { 9, 0x00022020, 0x00001196, 0x00000101, 0x00000a0b },
1606 { 10, 0x00022020, 0x0000119a, 0x00000101, 0x00000a0b },
1607 { 11, 0x00022020, 0x0000119e, 0x00000101, 0x00000a0b },
1608 { 12, 0x00022020, 0x000011a2, 0x00000101, 0x00000a0b },
1609 { 13, 0x00022020, 0x000011a6, 0x00000101, 0x00000a0b },
1610 { 14, 0x00022020, 0x000011ae, 0x00000101, 0x00000a1b },
1612 /* 802.11 UNI / HyperLan 2 */
1613 { 36, 0x00022010, 0x00018896, 0x00000101, 0x00000a1f },
1614 { 40, 0x00022010, 0x0001889a, 0x00000101, 0x00000a1f },
1615 { 44, 0x00022010, 0x0001889e, 0x00000101, 0x00000a1f },
1616 { 48, 0x00022010, 0x000188a2, 0x00000101, 0x00000a1f },
1617 { 52, 0x00022010, 0x000188a6, 0x00000101, 0x00000a1f },
1618 { 66, 0x00022010, 0x000188aa, 0x00000101, 0x00000a1f },
1619 { 60, 0x00022010, 0x000188ae, 0x00000101, 0x00000a1f },
1620 { 64, 0x00022010, 0x000188b2, 0x00000101, 0x00000a1f },
1622 /* 802.11 HyperLan 2 */
1623 { 100, 0x00022010, 0x00008802, 0x00000101, 0x00000a0f },
1624 { 104, 0x00022010, 0x00008806, 0x00000101, 0x00000a0f },
1625 { 108, 0x00022010, 0x0000880a, 0x00000101, 0x00000a0f },
1626 { 112, 0x00022010, 0x0000880e, 0x00000101, 0x00000a0f },
1627 { 116, 0x00022010, 0x00008812, 0x00000101, 0x00000a0f },
1628 { 120, 0x00022010, 0x00008816, 0x00000101, 0x00000a0f },
1629 { 124, 0x00022010, 0x0000881a, 0x00000101, 0x00000a0f },
1630 { 128, 0x00022010, 0x0000881e, 0x00000101, 0x00000a0f },
1631 { 132, 0x00022010, 0x00008822, 0x00000101, 0x00000a0f },
1632 { 136, 0x00022010, 0x00008826, 0x00000101, 0x00000a0f },
1635 { 140, 0x00022010, 0x0000882a, 0x00000101, 0x00000a0f },
1636 { 149, 0x00022020, 0x000090a6, 0x00000101, 0x00000a07 },
1637 { 153, 0x00022020, 0x000090ae, 0x00000101, 0x00000a07 },
1638 { 157, 0x00022020, 0x000090b6, 0x00000101, 0x00000a07 },
1639 { 161, 0x00022020, 0x000090be, 0x00000101, 0x00000a07 },
1642 static int rt2500usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
1644 struct hw_mode_spec *spec = &rt2x00dev->spec;
1645 struct channel_info *info;
1650 * Initialize all hw fields.
1652 rt2x00dev->hw->flags =
1653 IEEE80211_HW_RX_INCLUDES_FCS |
1654 IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
1655 IEEE80211_HW_SIGNAL_DBM |
1656 IEEE80211_HW_SUPPORTS_PS |
1657 IEEE80211_HW_PS_NULLFUNC_STACK;
1659 SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
1660 SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
1661 rt2x00_eeprom_addr(rt2x00dev,
1662 EEPROM_MAC_ADDR_0));
1665 * Initialize hw_mode information.
1667 spec->supported_bands = SUPPORT_BAND_2GHZ;
1668 spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
1670 if (rt2x00_rf(rt2x00dev, RF2522)) {
1671 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2522);
1672 spec->channels = rf_vals_bg_2522;
1673 } else if (rt2x00_rf(rt2x00dev, RF2523)) {
1674 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2523);
1675 spec->channels = rf_vals_bg_2523;
1676 } else if (rt2x00_rf(rt2x00dev, RF2524)) {
1677 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2524);
1678 spec->channels = rf_vals_bg_2524;
1679 } else if (rt2x00_rf(rt2x00dev, RF2525)) {
1680 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525);
1681 spec->channels = rf_vals_bg_2525;
1682 } else if (rt2x00_rf(rt2x00dev, RF2525E)) {
1683 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525e);
1684 spec->channels = rf_vals_bg_2525e;
1685 } else if (rt2x00_rf(rt2x00dev, RF5222)) {
1686 spec->supported_bands |= SUPPORT_BAND_5GHZ;
1687 spec->num_channels = ARRAY_SIZE(rf_vals_5222);
1688 spec->channels = rf_vals_5222;
1692 * Create channel information array
1694 info = kzalloc(spec->num_channels * sizeof(*info), GFP_KERNEL);
1698 spec->channels_info = info;
1700 tx_power = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_START);
1701 for (i = 0; i < 14; i++)
1702 info[i].tx_power1 = TXPOWER_FROM_DEV(tx_power[i]);
1704 if (spec->num_channels > 14) {
1705 for (i = 14; i < spec->num_channels; i++)
1706 info[i].tx_power1 = DEFAULT_TXPOWER;
1712 static int rt2500usb_probe_hw(struct rt2x00_dev *rt2x00dev)
1717 * Allocate eeprom data.
1719 retval = rt2500usb_validate_eeprom(rt2x00dev);
1723 retval = rt2500usb_init_eeprom(rt2x00dev);
1728 * Initialize hw specifications.
1730 retval = rt2500usb_probe_hw_mode(rt2x00dev);
1735 * This device requires the atim queue
1737 __set_bit(DRIVER_REQUIRE_ATIM_QUEUE, &rt2x00dev->flags);
1738 __set_bit(DRIVER_REQUIRE_BEACON_GUARD, &rt2x00dev->flags);
1739 if (!modparam_nohwcrypt) {
1740 __set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags);
1741 __set_bit(DRIVER_REQUIRE_COPY_IV, &rt2x00dev->flags);
1743 __set_bit(CONFIG_DISABLE_LINK_TUNING, &rt2x00dev->flags);
1746 * Set the rssi offset.
1748 rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
1753 static const struct ieee80211_ops rt2500usb_mac80211_ops = {
1755 .start = rt2x00mac_start,
1756 .stop = rt2x00mac_stop,
1757 .add_interface = rt2x00mac_add_interface,
1758 .remove_interface = rt2x00mac_remove_interface,
1759 .config = rt2x00mac_config,
1760 .configure_filter = rt2x00mac_configure_filter,
1761 .set_tim = rt2x00mac_set_tim,
1762 .set_key = rt2x00mac_set_key,
1763 .get_stats = rt2x00mac_get_stats,
1764 .bss_info_changed = rt2x00mac_bss_info_changed,
1765 .conf_tx = rt2x00mac_conf_tx,
1766 .rfkill_poll = rt2x00mac_rfkill_poll,
1769 static const struct rt2x00lib_ops rt2500usb_rt2x00_ops = {
1770 .probe_hw = rt2500usb_probe_hw,
1771 .initialize = rt2x00usb_initialize,
1772 .uninitialize = rt2x00usb_uninitialize,
1773 .clear_entry = rt2x00usb_clear_entry,
1774 .set_device_state = rt2500usb_set_device_state,
1775 .rfkill_poll = rt2500usb_rfkill_poll,
1776 .link_stats = rt2500usb_link_stats,
1777 .reset_tuner = rt2500usb_reset_tuner,
1778 .write_tx_desc = rt2500usb_write_tx_desc,
1779 .write_tx_data = rt2x00usb_write_tx_data,
1780 .write_beacon = rt2500usb_write_beacon,
1781 .get_tx_data_len = rt2500usb_get_tx_data_len,
1782 .kick_tx_queue = rt2500usb_kick_tx_queue,
1783 .kill_tx_queue = rt2x00usb_kill_tx_queue,
1784 .fill_rxdone = rt2500usb_fill_rxdone,
1785 .config_shared_key = rt2500usb_config_key,
1786 .config_pairwise_key = rt2500usb_config_key,
1787 .config_filter = rt2500usb_config_filter,
1788 .config_intf = rt2500usb_config_intf,
1789 .config_erp = rt2500usb_config_erp,
1790 .config_ant = rt2500usb_config_ant,
1791 .config = rt2500usb_config,
1794 static const struct data_queue_desc rt2500usb_queue_rx = {
1795 .entry_num = RX_ENTRIES,
1796 .data_size = DATA_FRAME_SIZE,
1797 .desc_size = RXD_DESC_SIZE,
1798 .priv_size = sizeof(struct queue_entry_priv_usb),
1801 static const struct data_queue_desc rt2500usb_queue_tx = {
1802 .entry_num = TX_ENTRIES,
1803 .data_size = DATA_FRAME_SIZE,
1804 .desc_size = TXD_DESC_SIZE,
1805 .priv_size = sizeof(struct queue_entry_priv_usb),
1808 static const struct data_queue_desc rt2500usb_queue_bcn = {
1809 .entry_num = BEACON_ENTRIES,
1810 .data_size = MGMT_FRAME_SIZE,
1811 .desc_size = TXD_DESC_SIZE,
1812 .priv_size = sizeof(struct queue_entry_priv_usb_bcn),
1815 static const struct data_queue_desc rt2500usb_queue_atim = {
1816 .entry_num = ATIM_ENTRIES,
1817 .data_size = DATA_FRAME_SIZE,
1818 .desc_size = TXD_DESC_SIZE,
1819 .priv_size = sizeof(struct queue_entry_priv_usb),
1822 static const struct rt2x00_ops rt2500usb_ops = {
1823 .name = KBUILD_MODNAME,
1826 .eeprom_size = EEPROM_SIZE,
1828 .tx_queues = NUM_TX_QUEUES,
1829 .extra_tx_headroom = TXD_DESC_SIZE,
1830 .rx = &rt2500usb_queue_rx,
1831 .tx = &rt2500usb_queue_tx,
1832 .bcn = &rt2500usb_queue_bcn,
1833 .atim = &rt2500usb_queue_atim,
1834 .lib = &rt2500usb_rt2x00_ops,
1835 .hw = &rt2500usb_mac80211_ops,
1836 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
1837 .debugfs = &rt2500usb_rt2x00debug,
1838 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
1842 * rt2500usb module information.
1844 static struct usb_device_id rt2500usb_device_table[] = {
1846 { USB_DEVICE(0x0b05, 0x1706), USB_DEVICE_DATA(&rt2500usb_ops) },
1847 { USB_DEVICE(0x0b05, 0x1707), USB_DEVICE_DATA(&rt2500usb_ops) },
1849 { USB_DEVICE(0x050d, 0x7050), USB_DEVICE_DATA(&rt2500usb_ops) },
1850 { USB_DEVICE(0x050d, 0x7051), USB_DEVICE_DATA(&rt2500usb_ops) },
1851 { USB_DEVICE(0x050d, 0x705a), USB_DEVICE_DATA(&rt2500usb_ops) },
1853 { USB_DEVICE(0x13b1, 0x000d), USB_DEVICE_DATA(&rt2500usb_ops) },
1854 { USB_DEVICE(0x13b1, 0x0011), USB_DEVICE_DATA(&rt2500usb_ops) },
1855 { USB_DEVICE(0x13b1, 0x001a), USB_DEVICE_DATA(&rt2500usb_ops) },
1857 { USB_DEVICE(0x1371, 0x9022), USB_DEVICE_DATA(&rt2500usb_ops) },
1859 { USB_DEVICE(0x14b2, 0x3c02), USB_DEVICE_DATA(&rt2500usb_ops) },
1861 { USB_DEVICE(0x2001, 0x3c00), USB_DEVICE_DATA(&rt2500usb_ops) },
1863 { USB_DEVICE(0x1044, 0x8001), USB_DEVICE_DATA(&rt2500usb_ops) },
1864 { USB_DEVICE(0x1044, 0x8007), USB_DEVICE_DATA(&rt2500usb_ops) },
1866 { USB_DEVICE(0x06f8, 0xe000), USB_DEVICE_DATA(&rt2500usb_ops) },
1868 { USB_DEVICE(0x0411, 0x005e), USB_DEVICE_DATA(&rt2500usb_ops) },
1869 { USB_DEVICE(0x0411, 0x0066), USB_DEVICE_DATA(&rt2500usb_ops) },
1870 { USB_DEVICE(0x0411, 0x0067), USB_DEVICE_DATA(&rt2500usb_ops) },
1871 { USB_DEVICE(0x0411, 0x008b), USB_DEVICE_DATA(&rt2500usb_ops) },
1872 { USB_DEVICE(0x0411, 0x0097), USB_DEVICE_DATA(&rt2500usb_ops) },
1874 { USB_DEVICE(0x0db0, 0x6861), USB_DEVICE_DATA(&rt2500usb_ops) },
1875 { USB_DEVICE(0x0db0, 0x6865), USB_DEVICE_DATA(&rt2500usb_ops) },
1876 { USB_DEVICE(0x0db0, 0x6869), USB_DEVICE_DATA(&rt2500usb_ops) },
1878 { USB_DEVICE(0x148f, 0x1706), USB_DEVICE_DATA(&rt2500usb_ops) },
1879 { USB_DEVICE(0x148f, 0x2570), USB_DEVICE_DATA(&rt2500usb_ops) },
1880 { USB_DEVICE(0x148f, 0x2573), USB_DEVICE_DATA(&rt2500usb_ops) },
1881 { USB_DEVICE(0x148f, 0x9020), USB_DEVICE_DATA(&rt2500usb_ops) },
1883 { USB_DEVICE(0x079b, 0x004b), USB_DEVICE_DATA(&rt2500usb_ops) },
1885 { USB_DEVICE(0x0681, 0x3c06), USB_DEVICE_DATA(&rt2500usb_ops) },
1887 { USB_DEVICE(0x0707, 0xee13), USB_DEVICE_DATA(&rt2500usb_ops) },
1889 { USB_DEVICE(0x114b, 0x0110), USB_DEVICE_DATA(&rt2500usb_ops) },
1891 { USB_DEVICE(0x0769, 0x11f3), USB_DEVICE_DATA(&rt2500usb_ops) },
1893 { USB_DEVICE(0x0eb0, 0x9020), USB_DEVICE_DATA(&rt2500usb_ops) },
1895 { USB_DEVICE(0x0f88, 0x3012), USB_DEVICE_DATA(&rt2500usb_ops) },
1897 { USB_DEVICE(0x5a57, 0x0260), USB_DEVICE_DATA(&rt2500usb_ops) },
1901 MODULE_AUTHOR(DRV_PROJECT);
1902 MODULE_VERSION(DRV_VERSION);
1903 MODULE_DESCRIPTION("Ralink RT2500 USB Wireless LAN driver.");
1904 MODULE_SUPPORTED_DEVICE("Ralink RT2570 USB chipset based cards");
1905 MODULE_DEVICE_TABLE(usb, rt2500usb_device_table);
1906 MODULE_LICENSE("GPL");
1908 static struct usb_driver rt2500usb_driver = {
1909 .name = KBUILD_MODNAME,
1910 .id_table = rt2500usb_device_table,
1911 .probe = rt2x00usb_probe,
1912 .disconnect = rt2x00usb_disconnect,
1913 .suspend = rt2x00usb_suspend,
1914 .resume = rt2x00usb_resume,
1917 static int __init rt2500usb_init(void)
1919 return usb_register(&rt2500usb_driver);
1922 static void __exit rt2500usb_exit(void)
1924 usb_deregister(&rt2500usb_driver);
1927 module_init(rt2500usb_init);
1928 module_exit(rt2500usb_exit);