2 Copyright (C) 2004 - 2008 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 rt2x00usb_vendor_request_buff(rt2x00dev
, USB_MULTI_READ
,
80 USB_VENDOR_REQUEST_IN
, offset
,
82 REGISTER_TIMEOUT16(length
));
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 rt2x00usb_vendor_request_buff(rt2x00dev
, USB_MULTI_WRITE
,
110 USB_VENDOR_REQUEST_OUT
, offset
,
112 REGISTER_TIMEOUT16(length
));
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
))
145 * Write the data into the BBP.
148 rt2x00_set_field16(®
, PHY_CSR7_DATA
, value
);
149 rt2x00_set_field16(®
, PHY_CSR7_REG_ID
, word
);
150 rt2x00_set_field16(®
, PHY_CSR7_READ_CONTROL
, 0);
152 rt2500usb_register_write_lock(rt2x00dev
, PHY_CSR7
, reg
);
154 mutex_unlock(&rt2x00dev
->usb_cache_mutex
);
159 mutex_unlock(&rt2x00dev
->usb_cache_mutex
);
161 ERROR(rt2x00dev
, "PHY_CSR8 register busy. Write failed.\n");
164 static void rt2500usb_bbp_read(struct rt2x00_dev
*rt2x00dev
,
165 const unsigned int word
, u8
*value
)
169 mutex_lock(&rt2x00dev
->usb_cache_mutex
);
172 * Wait until the BBP becomes ready.
174 reg
= rt2500usb_bbp_check(rt2x00dev
);
175 if (rt2x00_get_field16(reg
, PHY_CSR8_BUSY
))
179 * Write the request into the BBP.
182 rt2x00_set_field16(®
, PHY_CSR7_REG_ID
, word
);
183 rt2x00_set_field16(®
, PHY_CSR7_READ_CONTROL
, 1);
185 rt2500usb_register_write_lock(rt2x00dev
, PHY_CSR7
, reg
);
188 * Wait until the BBP becomes ready.
190 reg
= rt2500usb_bbp_check(rt2x00dev
);
191 if (rt2x00_get_field16(reg
, PHY_CSR8_BUSY
))
194 rt2500usb_register_read_lock(rt2x00dev
, PHY_CSR7
, ®
);
195 *value
= rt2x00_get_field16(reg
, PHY_CSR7_DATA
);
197 mutex_unlock(&rt2x00dev
->usb_cache_mutex
);
202 mutex_unlock(&rt2x00dev
->usb_cache_mutex
);
204 ERROR(rt2x00dev
, "PHY_CSR8 register busy. Read failed.\n");
208 static void rt2500usb_rf_write(struct rt2x00_dev
*rt2x00dev
,
209 const unsigned int word
, const u32 value
)
217 mutex_lock(&rt2x00dev
->usb_cache_mutex
);
219 for (i
= 0; i
< REGISTER_BUSY_COUNT
; i
++) {
220 rt2500usb_register_read_lock(rt2x00dev
, PHY_CSR10
, ®
);
221 if (!rt2x00_get_field16(reg
, PHY_CSR10_RF_BUSY
))
223 udelay(REGISTER_BUSY_DELAY
);
226 mutex_unlock(&rt2x00dev
->usb_cache_mutex
);
227 ERROR(rt2x00dev
, "PHY_CSR10 register busy. Write failed.\n");
232 rt2x00_set_field16(®
, PHY_CSR9_RF_VALUE
, value
);
233 rt2500usb_register_write_lock(rt2x00dev
, PHY_CSR9
, reg
);
236 rt2x00_set_field16(®
, PHY_CSR10_RF_VALUE
, value
>> 16);
237 rt2x00_set_field16(®
, PHY_CSR10_RF_NUMBER_OF_BITS
, 20);
238 rt2x00_set_field16(®
, PHY_CSR10_RF_IF_SELECT
, 0);
239 rt2x00_set_field16(®
, PHY_CSR10_RF_BUSY
, 1);
241 rt2500usb_register_write_lock(rt2x00dev
, PHY_CSR10
, reg
);
242 rt2x00_rf_write(rt2x00dev
, word
, value
);
244 mutex_unlock(&rt2x00dev
->usb_cache_mutex
);
247 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
248 static void _rt2500usb_register_read(struct rt2x00_dev
*rt2x00dev
,
249 const unsigned int offset
,
252 rt2500usb_register_read(rt2x00dev
, offset
, (u16
*)value
);
255 static void _rt2500usb_register_write(struct rt2x00_dev
*rt2x00dev
,
256 const unsigned int offset
,
259 rt2500usb_register_write(rt2x00dev
, offset
, value
);
262 static const struct rt2x00debug rt2500usb_rt2x00debug
= {
263 .owner
= THIS_MODULE
,
265 .read
= _rt2500usb_register_read
,
266 .write
= _rt2500usb_register_write
,
267 .flags
= RT2X00DEBUGFS_OFFSET
,
268 .word_base
= CSR_REG_BASE
,
269 .word_size
= sizeof(u16
),
270 .word_count
= CSR_REG_SIZE
/ sizeof(u16
),
273 .read
= rt2x00_eeprom_read
,
274 .write
= rt2x00_eeprom_write
,
275 .word_base
= EEPROM_BASE
,
276 .word_size
= sizeof(u16
),
277 .word_count
= EEPROM_SIZE
/ sizeof(u16
),
280 .read
= rt2500usb_bbp_read
,
281 .write
= rt2500usb_bbp_write
,
282 .word_base
= BBP_BASE
,
283 .word_size
= sizeof(u8
),
284 .word_count
= BBP_SIZE
/ sizeof(u8
),
287 .read
= rt2x00_rf_read
,
288 .write
= rt2500usb_rf_write
,
289 .word_base
= RF_BASE
,
290 .word_size
= sizeof(u32
),
291 .word_count
= RF_SIZE
/ sizeof(u32
),
294 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
296 #ifdef CONFIG_RT2X00_LIB_LEDS
297 static void rt2500usb_brightness_set(struct led_classdev
*led_cdev
,
298 enum led_brightness brightness
)
300 struct rt2x00_led
*led
=
301 container_of(led_cdev
, struct rt2x00_led
, led_dev
);
302 unsigned int enabled
= brightness
!= LED_OFF
;
305 rt2500usb_register_read(led
->rt2x00dev
, MAC_CSR20
, ®
);
307 if (led
->type
== LED_TYPE_RADIO
|| led
->type
== LED_TYPE_ASSOC
)
308 rt2x00_set_field16(®
, MAC_CSR20_LINK
, enabled
);
309 else if (led
->type
== LED_TYPE_ACTIVITY
)
310 rt2x00_set_field16(®
, MAC_CSR20_ACTIVITY
, enabled
);
312 rt2500usb_register_write(led
->rt2x00dev
, MAC_CSR20
, reg
);
315 static int rt2500usb_blink_set(struct led_classdev
*led_cdev
,
316 unsigned long *delay_on
,
317 unsigned long *delay_off
)
319 struct rt2x00_led
*led
=
320 container_of(led_cdev
, struct rt2x00_led
, led_dev
);
323 rt2500usb_register_read(led
->rt2x00dev
, MAC_CSR21
, ®
);
324 rt2x00_set_field16(®
, MAC_CSR21_ON_PERIOD
, *delay_on
);
325 rt2x00_set_field16(®
, MAC_CSR21_OFF_PERIOD
, *delay_off
);
326 rt2500usb_register_write(led
->rt2x00dev
, MAC_CSR21
, reg
);
331 static void rt2500usb_init_led(struct rt2x00_dev
*rt2x00dev
,
332 struct rt2x00_led
*led
,
335 led
->rt2x00dev
= rt2x00dev
;
337 led
->led_dev
.brightness_set
= rt2500usb_brightness_set
;
338 led
->led_dev
.blink_set
= rt2500usb_blink_set
;
339 led
->flags
= LED_INITIALIZED
;
341 #endif /* CONFIG_RT2X00_LIB_LEDS */
344 * Configuration handlers.
346 static void rt2500usb_config_filter(struct rt2x00_dev
*rt2x00dev
,
347 const unsigned int filter_flags
)
352 * Start configuration steps.
353 * Note that the version error will always be dropped
354 * and broadcast frames will always be accepted since
355 * there is no filter for it at this time.
357 rt2500usb_register_read(rt2x00dev
, TXRX_CSR2
, ®
);
358 rt2x00_set_field16(®
, TXRX_CSR2_DROP_CRC
,
359 !(filter_flags
& FIF_FCSFAIL
));
360 rt2x00_set_field16(®
, TXRX_CSR2_DROP_PHYSICAL
,
361 !(filter_flags
& FIF_PLCPFAIL
));
362 rt2x00_set_field16(®
, TXRX_CSR2_DROP_CONTROL
,
363 !(filter_flags
& FIF_CONTROL
));
364 rt2x00_set_field16(®
, TXRX_CSR2_DROP_NOT_TO_ME
,
365 !(filter_flags
& FIF_PROMISC_IN_BSS
));
366 rt2x00_set_field16(®
, TXRX_CSR2_DROP_TODS
,
367 !(filter_flags
& FIF_PROMISC_IN_BSS
) &&
368 !rt2x00dev
->intf_ap_count
);
369 rt2x00_set_field16(®
, TXRX_CSR2_DROP_VERSION_ERROR
, 1);
370 rt2x00_set_field16(®
, TXRX_CSR2_DROP_MULTICAST
,
371 !(filter_flags
& FIF_ALLMULTI
));
372 rt2x00_set_field16(®
, TXRX_CSR2_DROP_BROADCAST
, 0);
373 rt2500usb_register_write(rt2x00dev
, TXRX_CSR2
, reg
);
376 static void rt2500usb_config_intf(struct rt2x00_dev
*rt2x00dev
,
377 struct rt2x00_intf
*intf
,
378 struct rt2x00intf_conf
*conf
,
379 const unsigned int flags
)
381 unsigned int bcn_preload
;
384 if (flags
& CONFIG_UPDATE_TYPE
) {
386 * Enable beacon config
388 bcn_preload
= PREAMBLE
+ get_duration(IEEE80211_HEADER
, 20);
389 rt2500usb_register_read(rt2x00dev
, TXRX_CSR20
, ®
);
390 rt2x00_set_field16(®
, TXRX_CSR20_OFFSET
, bcn_preload
>> 6);
391 rt2x00_set_field16(®
, TXRX_CSR20_BCN_EXPECT_WINDOW
,
392 2 * (conf
->type
!= NL80211_IFTYPE_STATION
));
393 rt2500usb_register_write(rt2x00dev
, TXRX_CSR20
, reg
);
396 * Enable synchronisation.
398 rt2500usb_register_read(rt2x00dev
, TXRX_CSR18
, ®
);
399 rt2x00_set_field16(®
, TXRX_CSR18_OFFSET
, 0);
400 rt2500usb_register_write(rt2x00dev
, TXRX_CSR18
, reg
);
402 rt2500usb_register_read(rt2x00dev
, TXRX_CSR19
, ®
);
403 rt2x00_set_field16(®
, TXRX_CSR19_TSF_COUNT
, 1);
404 rt2x00_set_field16(®
, TXRX_CSR19_TSF_SYNC
, conf
->sync
);
405 rt2x00_set_field16(®
, TXRX_CSR19_TBCN
, 1);
406 rt2500usb_register_write(rt2x00dev
, TXRX_CSR19
, reg
);
409 if (flags
& CONFIG_UPDATE_MAC
)
410 rt2500usb_register_multiwrite(rt2x00dev
, MAC_CSR2
, conf
->mac
,
411 (3 * sizeof(__le16
)));
413 if (flags
& CONFIG_UPDATE_BSSID
)
414 rt2500usb_register_multiwrite(rt2x00dev
, MAC_CSR5
, conf
->bssid
,
415 (3 * sizeof(__le16
)));
418 static void rt2500usb_config_erp(struct rt2x00_dev
*rt2x00dev
,
419 struct rt2x00lib_erp
*erp
)
423 rt2500usb_register_read(rt2x00dev
, TXRX_CSR1
, ®
);
424 rt2x00_set_field16(®
, TXRX_CSR1_ACK_TIMEOUT
, erp
->ack_timeout
);
425 rt2500usb_register_write(rt2x00dev
, TXRX_CSR1
, reg
);
427 rt2500usb_register_read(rt2x00dev
, TXRX_CSR10
, ®
);
428 rt2x00_set_field16(®
, TXRX_CSR10_AUTORESPOND_PREAMBLE
,
429 !!erp
->short_preamble
);
430 rt2500usb_register_write(rt2x00dev
, TXRX_CSR10
, reg
);
432 rt2500usb_register_write(rt2x00dev
, TXRX_CSR11
, erp
->basic_rates
);
434 rt2500usb_register_write(rt2x00dev
, MAC_CSR10
, erp
->slot_time
);
435 rt2500usb_register_write(rt2x00dev
, MAC_CSR11
, erp
->sifs
);
436 rt2500usb_register_write(rt2x00dev
, MAC_CSR12
, erp
->eifs
);
439 static void rt2500usb_config_ant(struct rt2x00_dev
*rt2x00dev
,
440 struct antenna_setup
*ant
)
448 * We should never come here because rt2x00lib is supposed
449 * to catch this and send us the correct antenna explicitely.
451 BUG_ON(ant
->rx
== ANTENNA_SW_DIVERSITY
||
452 ant
->tx
== ANTENNA_SW_DIVERSITY
);
454 rt2500usb_bbp_read(rt2x00dev
, 2, &r2
);
455 rt2500usb_bbp_read(rt2x00dev
, 14, &r14
);
456 rt2500usb_register_read(rt2x00dev
, PHY_CSR5
, &csr5
);
457 rt2500usb_register_read(rt2x00dev
, PHY_CSR6
, &csr6
);
460 * Configure the TX antenna.
463 case ANTENNA_HW_DIVERSITY
:
464 rt2x00_set_field8(&r2
, BBP_R2_TX_ANTENNA
, 1);
465 rt2x00_set_field16(&csr5
, PHY_CSR5_CCK
, 1);
466 rt2x00_set_field16(&csr6
, PHY_CSR6_OFDM
, 1);
469 rt2x00_set_field8(&r2
, BBP_R2_TX_ANTENNA
, 0);
470 rt2x00_set_field16(&csr5
, PHY_CSR5_CCK
, 0);
471 rt2x00_set_field16(&csr6
, PHY_CSR6_OFDM
, 0);
475 rt2x00_set_field8(&r2
, BBP_R2_TX_ANTENNA
, 2);
476 rt2x00_set_field16(&csr5
, PHY_CSR5_CCK
, 2);
477 rt2x00_set_field16(&csr6
, PHY_CSR6_OFDM
, 2);
482 * Configure the RX antenna.
485 case ANTENNA_HW_DIVERSITY
:
486 rt2x00_set_field8(&r14
, BBP_R14_RX_ANTENNA
, 1);
489 rt2x00_set_field8(&r14
, BBP_R14_RX_ANTENNA
, 0);
493 rt2x00_set_field8(&r14
, BBP_R14_RX_ANTENNA
, 2);
498 * RT2525E and RT5222 need to flip TX I/Q
500 if (rt2x00_rf(&rt2x00dev
->chip
, RF2525E
) ||
501 rt2x00_rf(&rt2x00dev
->chip
, RF5222
)) {
502 rt2x00_set_field8(&r2
, BBP_R2_TX_IQ_FLIP
, 1);
503 rt2x00_set_field16(&csr5
, PHY_CSR5_CCK_FLIP
, 1);
504 rt2x00_set_field16(&csr6
, PHY_CSR6_OFDM_FLIP
, 1);
507 * RT2525E does not need RX I/Q Flip.
509 if (rt2x00_rf(&rt2x00dev
->chip
, RF2525E
))
510 rt2x00_set_field8(&r14
, BBP_R14_RX_IQ_FLIP
, 0);
512 rt2x00_set_field16(&csr5
, PHY_CSR5_CCK_FLIP
, 0);
513 rt2x00_set_field16(&csr6
, PHY_CSR6_OFDM_FLIP
, 0);
516 rt2500usb_bbp_write(rt2x00dev
, 2, r2
);
517 rt2500usb_bbp_write(rt2x00dev
, 14, r14
);
518 rt2500usb_register_write(rt2x00dev
, PHY_CSR5
, csr5
);
519 rt2500usb_register_write(rt2x00dev
, PHY_CSR6
, csr6
);
522 static void rt2500usb_config_channel(struct rt2x00_dev
*rt2x00dev
,
523 struct rf_channel
*rf
, const int txpower
)
528 rt2x00_set_field32(&rf
->rf3
, RF3_TXPOWER
, TXPOWER_TO_DEV(txpower
));
531 * For RT2525E we should first set the channel to half band higher.
533 if (rt2x00_rf(&rt2x00dev
->chip
, RF2525E
)) {
534 static const u32 vals
[] = {
535 0x000008aa, 0x000008ae, 0x000008ae, 0x000008b2,
536 0x000008b2, 0x000008b6, 0x000008b6, 0x000008ba,
537 0x000008ba, 0x000008be, 0x000008b7, 0x00000902,
538 0x00000902, 0x00000906
541 rt2500usb_rf_write(rt2x00dev
, 2, vals
[rf
->channel
- 1]);
543 rt2500usb_rf_write(rt2x00dev
, 4, rf
->rf4
);
546 rt2500usb_rf_write(rt2x00dev
, 1, rf
->rf1
);
547 rt2500usb_rf_write(rt2x00dev
, 2, rf
->rf2
);
548 rt2500usb_rf_write(rt2x00dev
, 3, rf
->rf3
);
550 rt2500usb_rf_write(rt2x00dev
, 4, rf
->rf4
);
553 static void rt2500usb_config_txpower(struct rt2x00_dev
*rt2x00dev
,
558 rt2x00_rf_read(rt2x00dev
, 3, &rf3
);
559 rt2x00_set_field32(&rf3
, RF3_TXPOWER
, TXPOWER_TO_DEV(txpower
));
560 rt2500usb_rf_write(rt2x00dev
, 3, rf3
);
563 static void rt2500usb_config_duration(struct rt2x00_dev
*rt2x00dev
,
564 struct rt2x00lib_conf
*libconf
)
568 rt2500usb_register_read(rt2x00dev
, TXRX_CSR18
, ®
);
569 rt2x00_set_field16(®
, TXRX_CSR18_INTERVAL
,
570 libconf
->conf
->beacon_int
* 4);
571 rt2500usb_register_write(rt2x00dev
, TXRX_CSR18
, reg
);
574 static void rt2500usb_config(struct rt2x00_dev
*rt2x00dev
,
575 struct rt2x00lib_conf
*libconf
,
576 const unsigned int flags
)
578 if (flags
& IEEE80211_CONF_CHANGE_CHANNEL
)
579 rt2500usb_config_channel(rt2x00dev
, &libconf
->rf
,
580 libconf
->conf
->power_level
);
581 if ((flags
& IEEE80211_CONF_CHANGE_POWER
) &&
582 !(flags
& IEEE80211_CONF_CHANGE_CHANNEL
))
583 rt2500usb_config_txpower(rt2x00dev
,
584 libconf
->conf
->power_level
);
585 if (flags
& IEEE80211_CONF_CHANGE_BEACON_INTERVAL
)
586 rt2500usb_config_duration(rt2x00dev
, libconf
);
592 static void rt2500usb_link_stats(struct rt2x00_dev
*rt2x00dev
,
593 struct link_qual
*qual
)
598 * Update FCS error count from register.
600 rt2500usb_register_read(rt2x00dev
, STA_CSR0
, ®
);
601 qual
->rx_failed
= rt2x00_get_field16(reg
, STA_CSR0_FCS_ERROR
);
604 * Update False CCA count from register.
606 rt2500usb_register_read(rt2x00dev
, STA_CSR3
, ®
);
607 qual
->false_cca
= rt2x00_get_field16(reg
, STA_CSR3_FALSE_CCA_ERROR
);
610 static void rt2500usb_reset_tuner(struct rt2x00_dev
*rt2x00dev
)
615 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE_R24
, &eeprom
);
616 value
= rt2x00_get_field16(eeprom
, EEPROM_BBPTUNE_R24_LOW
);
617 rt2500usb_bbp_write(rt2x00dev
, 24, value
);
619 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE_R25
, &eeprom
);
620 value
= rt2x00_get_field16(eeprom
, EEPROM_BBPTUNE_R25_LOW
);
621 rt2500usb_bbp_write(rt2x00dev
, 25, value
);
623 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE_R61
, &eeprom
);
624 value
= rt2x00_get_field16(eeprom
, EEPROM_BBPTUNE_R61_LOW
);
625 rt2500usb_bbp_write(rt2x00dev
, 61, value
);
627 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE_VGC
, &eeprom
);
628 value
= rt2x00_get_field16(eeprom
, EEPROM_BBPTUNE_VGCUPPER
);
629 rt2500usb_bbp_write(rt2x00dev
, 17, value
);
631 rt2x00dev
->link
.vgc_level
= value
;
635 * NOTE: This function is directly ported from legacy driver, but
636 * despite it being declared it was never called. Although link tuning
637 * sounds like a good idea, and usually works well for the other drivers,
638 * it does _not_ work with rt2500usb. Enabling this function will result
639 * in TX capabilities only until association kicks in. Immediately
640 * after the successful association all TX frames will be kept in the
641 * hardware queue and never transmitted.
644 static void rt2500usb_link_tuner(struct rt2x00_dev
*rt2x00dev
)
646 int rssi
= rt2x00_get_link_rssi(&rt2x00dev
->link
);
659 * Read current r17 value, as well as the sensitivity values
660 * for the r17 register.
662 rt2500usb_bbp_read(rt2x00dev
, 17, &r17
);
663 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE_R17
, &r17_sens
);
665 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE_VGC
, &vgc_bound
);
666 up_bound
= rt2x00_get_field16(vgc_bound
, EEPROM_BBPTUNE_VGCUPPER
);
667 low_bound
= rt2x00_get_field16(vgc_bound
, EEPROM_BBPTUNE_VGCLOWER
);
670 * If we are not associated, we should go straight to the
671 * dynamic CCA tuning.
673 if (!rt2x00dev
->intf_associated
)
674 goto dynamic_cca_tune
;
677 * Determine the BBP tuning threshold and correctly
678 * set BBP 24, 25 and 61.
680 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE
, &bbp_thresh
);
681 bbp_thresh
= rt2x00_get_field16(bbp_thresh
, EEPROM_BBPTUNE_THRESHOLD
);
683 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE_R24
, &r24
);
684 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE_R25
, &r25
);
685 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE_R61
, &r61
);
687 if ((rssi
+ bbp_thresh
) > 0) {
688 r24
= rt2x00_get_field16(r24
, EEPROM_BBPTUNE_R24_HIGH
);
689 r25
= rt2x00_get_field16(r25
, EEPROM_BBPTUNE_R25_HIGH
);
690 r61
= rt2x00_get_field16(r61
, EEPROM_BBPTUNE_R61_HIGH
);
692 r24
= rt2x00_get_field16(r24
, EEPROM_BBPTUNE_R24_LOW
);
693 r25
= rt2x00_get_field16(r25
, EEPROM_BBPTUNE_R25_LOW
);
694 r61
= rt2x00_get_field16(r61
, EEPROM_BBPTUNE_R61_LOW
);
697 rt2500usb_bbp_write(rt2x00dev
, 24, r24
);
698 rt2500usb_bbp_write(rt2x00dev
, 25, r25
);
699 rt2500usb_bbp_write(rt2x00dev
, 61, r61
);
702 * A too low RSSI will cause too much false CCA which will
703 * then corrupt the R17 tuning. To remidy this the tuning should
704 * be stopped (While making sure the R17 value will not exceed limits)
708 rt2500usb_bbp_write(rt2x00dev
, 17, 0x60);
713 * Special big-R17 for short distance
716 sens
= rt2x00_get_field16(r17_sens
, EEPROM_BBPTUNE_R17_LOW
);
718 rt2500usb_bbp_write(rt2x00dev
, 17, sens
);
723 * Special mid-R17 for middle distance
726 sens
= rt2x00_get_field16(r17_sens
, EEPROM_BBPTUNE_R17_HIGH
);
728 rt2500usb_bbp_write(rt2x00dev
, 17, sens
);
733 * Leave short or middle distance condition, restore r17
734 * to the dynamic tuning range.
738 up_bound
-= (-77 - rssi
);
740 if (up_bound
< low_bound
)
741 up_bound
= low_bound
;
743 if (r17
> up_bound
) {
744 rt2500usb_bbp_write(rt2x00dev
, 17, up_bound
);
745 rt2x00dev
->link
.vgc_level
= up_bound
;
752 * R17 is inside the dynamic tuning range,
753 * start tuning the link based on the false cca counter.
755 if (rt2x00dev
->link
.qual
.false_cca
> 512 && r17
< up_bound
) {
756 rt2500usb_bbp_write(rt2x00dev
, 17, ++r17
);
757 rt2x00dev
->link
.vgc_level
= r17
;
758 } else if (rt2x00dev
->link
.qual
.false_cca
< 100 && r17
> low_bound
) {
759 rt2500usb_bbp_write(rt2x00dev
, 17, --r17
);
760 rt2x00dev
->link
.vgc_level
= r17
;
764 #define rt2500usb_link_tuner NULL
768 * Initialization functions.
770 static int rt2500usb_init_registers(struct rt2x00_dev
*rt2x00dev
)
774 rt2x00usb_vendor_request_sw(rt2x00dev
, USB_DEVICE_MODE
, 0x0001,
775 USB_MODE_TEST
, REGISTER_TIMEOUT
);
776 rt2x00usb_vendor_request_sw(rt2x00dev
, USB_SINGLE_WRITE
, 0x0308,
777 0x00f0, REGISTER_TIMEOUT
);
779 rt2500usb_register_read(rt2x00dev
, TXRX_CSR2
, ®
);
780 rt2x00_set_field16(®
, TXRX_CSR2_DISABLE_RX
, 1);
781 rt2500usb_register_write(rt2x00dev
, TXRX_CSR2
, reg
);
783 rt2500usb_register_write(rt2x00dev
, MAC_CSR13
, 0x1111);
784 rt2500usb_register_write(rt2x00dev
, MAC_CSR14
, 0x1e11);
786 rt2500usb_register_read(rt2x00dev
, MAC_CSR1
, ®
);
787 rt2x00_set_field16(®
, MAC_CSR1_SOFT_RESET
, 1);
788 rt2x00_set_field16(®
, MAC_CSR1_BBP_RESET
, 1);
789 rt2x00_set_field16(®
, MAC_CSR1_HOST_READY
, 0);
790 rt2500usb_register_write(rt2x00dev
, MAC_CSR1
, reg
);
792 rt2500usb_register_read(rt2x00dev
, MAC_CSR1
, ®
);
793 rt2x00_set_field16(®
, MAC_CSR1_SOFT_RESET
, 0);
794 rt2x00_set_field16(®
, MAC_CSR1_BBP_RESET
, 0);
795 rt2x00_set_field16(®
, MAC_CSR1_HOST_READY
, 0);
796 rt2500usb_register_write(rt2x00dev
, MAC_CSR1
, reg
);
798 rt2500usb_register_read(rt2x00dev
, TXRX_CSR5
, ®
);
799 rt2x00_set_field16(®
, TXRX_CSR5_BBP_ID0
, 13);
800 rt2x00_set_field16(®
, TXRX_CSR5_BBP_ID0_VALID
, 1);
801 rt2x00_set_field16(®
, TXRX_CSR5_BBP_ID1
, 12);
802 rt2x00_set_field16(®
, TXRX_CSR5_BBP_ID1_VALID
, 1);
803 rt2500usb_register_write(rt2x00dev
, TXRX_CSR5
, reg
);
805 rt2500usb_register_read(rt2x00dev
, TXRX_CSR6
, ®
);
806 rt2x00_set_field16(®
, TXRX_CSR6_BBP_ID0
, 10);
807 rt2x00_set_field16(®
, TXRX_CSR6_BBP_ID0_VALID
, 1);
808 rt2x00_set_field16(®
, TXRX_CSR6_BBP_ID1
, 11);
809 rt2x00_set_field16(®
, TXRX_CSR6_BBP_ID1_VALID
, 1);
810 rt2500usb_register_write(rt2x00dev
, TXRX_CSR6
, reg
);
812 rt2500usb_register_read(rt2x00dev
, TXRX_CSR7
, ®
);
813 rt2x00_set_field16(®
, TXRX_CSR7_BBP_ID0
, 7);
814 rt2x00_set_field16(®
, TXRX_CSR7_BBP_ID0_VALID
, 1);
815 rt2x00_set_field16(®
, TXRX_CSR7_BBP_ID1
, 6);
816 rt2x00_set_field16(®
, TXRX_CSR7_BBP_ID1_VALID
, 1);
817 rt2500usb_register_write(rt2x00dev
, TXRX_CSR7
, reg
);
819 rt2500usb_register_read(rt2x00dev
, TXRX_CSR8
, ®
);
820 rt2x00_set_field16(®
, TXRX_CSR8_BBP_ID0
, 5);
821 rt2x00_set_field16(®
, TXRX_CSR8_BBP_ID0_VALID
, 1);
822 rt2x00_set_field16(®
, TXRX_CSR8_BBP_ID1
, 0);
823 rt2x00_set_field16(®
, TXRX_CSR8_BBP_ID1_VALID
, 0);
824 rt2500usb_register_write(rt2x00dev
, TXRX_CSR8
, reg
);
826 rt2500usb_register_read(rt2x00dev
, TXRX_CSR19
, ®
);
827 rt2x00_set_field16(®
, TXRX_CSR19_TSF_COUNT
, 0);
828 rt2x00_set_field16(®
, TXRX_CSR19_TSF_SYNC
, 0);
829 rt2x00_set_field16(®
, TXRX_CSR19_TBCN
, 0);
830 rt2x00_set_field16(®
, TXRX_CSR19_BEACON_GEN
, 0);
831 rt2500usb_register_write(rt2x00dev
, TXRX_CSR19
, reg
);
833 rt2500usb_register_write(rt2x00dev
, TXRX_CSR21
, 0xe78f);
834 rt2500usb_register_write(rt2x00dev
, MAC_CSR9
, 0xff1d);
836 if (rt2x00dev
->ops
->lib
->set_device_state(rt2x00dev
, STATE_AWAKE
))
839 rt2500usb_register_read(rt2x00dev
, MAC_CSR1
, ®
);
840 rt2x00_set_field16(®
, MAC_CSR1_SOFT_RESET
, 0);
841 rt2x00_set_field16(®
, MAC_CSR1_BBP_RESET
, 0);
842 rt2x00_set_field16(®
, MAC_CSR1_HOST_READY
, 1);
843 rt2500usb_register_write(rt2x00dev
, MAC_CSR1
, reg
);
845 if (rt2x00_rev(&rt2x00dev
->chip
) >= RT2570_VERSION_C
) {
846 rt2500usb_register_read(rt2x00dev
, PHY_CSR2
, ®
);
847 rt2x00_set_field16(®
, PHY_CSR2_LNA
, 0);
850 rt2x00_set_field16(®
, PHY_CSR2_LNA
, 1);
851 rt2x00_set_field16(®
, PHY_CSR2_LNA_MODE
, 3);
853 rt2500usb_register_write(rt2x00dev
, PHY_CSR2
, reg
);
855 rt2500usb_register_write(rt2x00dev
, MAC_CSR11
, 0x0002);
856 rt2500usb_register_write(rt2x00dev
, MAC_CSR22
, 0x0053);
857 rt2500usb_register_write(rt2x00dev
, MAC_CSR15
, 0x01ee);
858 rt2500usb_register_write(rt2x00dev
, MAC_CSR16
, 0x0000);
860 rt2500usb_register_read(rt2x00dev
, MAC_CSR8
, ®
);
861 rt2x00_set_field16(®
, MAC_CSR8_MAX_FRAME_UNIT
,
862 rt2x00dev
->rx
->data_size
);
863 rt2500usb_register_write(rt2x00dev
, MAC_CSR8
, reg
);
865 rt2500usb_register_read(rt2x00dev
, TXRX_CSR0
, ®
);
866 rt2x00_set_field16(®
, TXRX_CSR0_IV_OFFSET
, IEEE80211_HEADER
);
867 rt2x00_set_field16(®
, TXRX_CSR0_KEY_ID
, 0xff);
868 rt2500usb_register_write(rt2x00dev
, TXRX_CSR0
, reg
);
870 rt2500usb_register_read(rt2x00dev
, MAC_CSR18
, ®
);
871 rt2x00_set_field16(®
, MAC_CSR18_DELAY_AFTER_BEACON
, 90);
872 rt2500usb_register_write(rt2x00dev
, MAC_CSR18
, reg
);
874 rt2500usb_register_read(rt2x00dev
, PHY_CSR4
, ®
);
875 rt2x00_set_field16(®
, PHY_CSR4_LOW_RF_LE
, 1);
876 rt2500usb_register_write(rt2x00dev
, PHY_CSR4
, reg
);
878 rt2500usb_register_read(rt2x00dev
, TXRX_CSR1
, ®
);
879 rt2x00_set_field16(®
, TXRX_CSR1_AUTO_SEQUENCE
, 1);
880 rt2500usb_register_write(rt2x00dev
, TXRX_CSR1
, reg
);
885 static int rt2500usb_wait_bbp_ready(struct rt2x00_dev
*rt2x00dev
)
890 for (i
= 0; i
< REGISTER_BUSY_COUNT
; i
++) {
891 rt2500usb_bbp_read(rt2x00dev
, 0, &value
);
892 if ((value
!= 0xff) && (value
!= 0x00))
894 udelay(REGISTER_BUSY_DELAY
);
897 ERROR(rt2x00dev
, "BBP register access failed, aborting.\n");
901 static int rt2500usb_init_bbp(struct rt2x00_dev
*rt2x00dev
)
908 if (unlikely(rt2500usb_wait_bbp_ready(rt2x00dev
)))
911 rt2500usb_bbp_write(rt2x00dev
, 3, 0x02);
912 rt2500usb_bbp_write(rt2x00dev
, 4, 0x19);
913 rt2500usb_bbp_write(rt2x00dev
, 14, 0x1c);
914 rt2500usb_bbp_write(rt2x00dev
, 15, 0x30);
915 rt2500usb_bbp_write(rt2x00dev
, 16, 0xac);
916 rt2500usb_bbp_write(rt2x00dev
, 18, 0x18);
917 rt2500usb_bbp_write(rt2x00dev
, 19, 0xff);
918 rt2500usb_bbp_write(rt2x00dev
, 20, 0x1e);
919 rt2500usb_bbp_write(rt2x00dev
, 21, 0x08);
920 rt2500usb_bbp_write(rt2x00dev
, 22, 0x08);
921 rt2500usb_bbp_write(rt2x00dev
, 23, 0x08);
922 rt2500usb_bbp_write(rt2x00dev
, 24, 0x80);
923 rt2500usb_bbp_write(rt2x00dev
, 25, 0x50);
924 rt2500usb_bbp_write(rt2x00dev
, 26, 0x08);
925 rt2500usb_bbp_write(rt2x00dev
, 27, 0x23);
926 rt2500usb_bbp_write(rt2x00dev
, 30, 0x10);
927 rt2500usb_bbp_write(rt2x00dev
, 31, 0x2b);
928 rt2500usb_bbp_write(rt2x00dev
, 32, 0xb9);
929 rt2500usb_bbp_write(rt2x00dev
, 34, 0x12);
930 rt2500usb_bbp_write(rt2x00dev
, 35, 0x50);
931 rt2500usb_bbp_write(rt2x00dev
, 39, 0xc4);
932 rt2500usb_bbp_write(rt2x00dev
, 40, 0x02);
933 rt2500usb_bbp_write(rt2x00dev
, 41, 0x60);
934 rt2500usb_bbp_write(rt2x00dev
, 53, 0x10);
935 rt2500usb_bbp_write(rt2x00dev
, 54, 0x18);
936 rt2500usb_bbp_write(rt2x00dev
, 56, 0x08);
937 rt2500usb_bbp_write(rt2x00dev
, 57, 0x10);
938 rt2500usb_bbp_write(rt2x00dev
, 58, 0x08);
939 rt2500usb_bbp_write(rt2x00dev
, 61, 0x60);
940 rt2500usb_bbp_write(rt2x00dev
, 62, 0x10);
941 rt2500usb_bbp_write(rt2x00dev
, 75, 0xff);
943 for (i
= 0; i
< EEPROM_BBP_SIZE
; i
++) {
944 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBP_START
+ i
, &eeprom
);
946 if (eeprom
!= 0xffff && eeprom
!= 0x0000) {
947 reg_id
= rt2x00_get_field16(eeprom
, EEPROM_BBP_REG_ID
);
948 value
= rt2x00_get_field16(eeprom
, EEPROM_BBP_VALUE
);
949 rt2500usb_bbp_write(rt2x00dev
, reg_id
, value
);
957 * Device state switch handlers.
959 static void rt2500usb_toggle_rx(struct rt2x00_dev
*rt2x00dev
,
960 enum dev_state state
)
964 rt2500usb_register_read(rt2x00dev
, TXRX_CSR2
, ®
);
965 rt2x00_set_field16(®
, TXRX_CSR2_DISABLE_RX
,
966 (state
== STATE_RADIO_RX_OFF
) ||
967 (state
== STATE_RADIO_RX_OFF_LINK
));
968 rt2500usb_register_write(rt2x00dev
, TXRX_CSR2
, reg
);
971 static int rt2500usb_enable_radio(struct rt2x00_dev
*rt2x00dev
)
974 * Initialize all registers.
976 if (unlikely(rt2500usb_init_registers(rt2x00dev
) ||
977 rt2500usb_init_bbp(rt2x00dev
)))
983 static void rt2500usb_disable_radio(struct rt2x00_dev
*rt2x00dev
)
985 rt2500usb_register_write(rt2x00dev
, MAC_CSR13
, 0x2121);
986 rt2500usb_register_write(rt2x00dev
, MAC_CSR14
, 0x2121);
989 * Disable synchronisation.
991 rt2500usb_register_write(rt2x00dev
, TXRX_CSR19
, 0);
993 rt2x00usb_disable_radio(rt2x00dev
);
996 static int rt2500usb_set_state(struct rt2x00_dev
*rt2x00dev
,
997 enum dev_state state
)
1006 put_to_sleep
= (state
!= STATE_AWAKE
);
1009 rt2x00_set_field16(®
, MAC_CSR17_BBP_DESIRE_STATE
, state
);
1010 rt2x00_set_field16(®
, MAC_CSR17_RF_DESIRE_STATE
, state
);
1011 rt2x00_set_field16(®
, MAC_CSR17_PUT_TO_SLEEP
, put_to_sleep
);
1012 rt2500usb_register_write(rt2x00dev
, MAC_CSR17
, reg
);
1013 rt2x00_set_field16(®
, MAC_CSR17_SET_STATE
, 1);
1014 rt2500usb_register_write(rt2x00dev
, MAC_CSR17
, reg
);
1017 * Device is not guaranteed to be in the requested state yet.
1018 * We must wait until the register indicates that the
1019 * device has entered the correct state.
1021 for (i
= 0; i
< REGISTER_BUSY_COUNT
; i
++) {
1022 rt2500usb_register_read(rt2x00dev
, MAC_CSR17
, ®2
);
1023 bbp_state
= rt2x00_get_field16(reg2
, MAC_CSR17_BBP_CURR_STATE
);
1024 rf_state
= rt2x00_get_field16(reg2
, MAC_CSR17_RF_CURR_STATE
);
1025 if (bbp_state
== state
&& rf_state
== state
)
1027 rt2500usb_register_write(rt2x00dev
, MAC_CSR17
, reg
);
1034 static int rt2500usb_set_device_state(struct rt2x00_dev
*rt2x00dev
,
1035 enum dev_state state
)
1040 case STATE_RADIO_ON
:
1041 retval
= rt2500usb_enable_radio(rt2x00dev
);
1043 case STATE_RADIO_OFF
:
1044 rt2500usb_disable_radio(rt2x00dev
);
1046 case STATE_RADIO_RX_ON
:
1047 case STATE_RADIO_RX_ON_LINK
:
1048 case STATE_RADIO_RX_OFF
:
1049 case STATE_RADIO_RX_OFF_LINK
:
1050 rt2500usb_toggle_rx(rt2x00dev
, state
);
1052 case STATE_RADIO_IRQ_ON
:
1053 case STATE_RADIO_IRQ_OFF
:
1054 /* No support, but no error either */
1056 case STATE_DEEP_SLEEP
:
1060 retval
= rt2500usb_set_state(rt2x00dev
, state
);
1067 if (unlikely(retval
))
1068 ERROR(rt2x00dev
, "Device failed to enter state %d (%d).\n",
1075 * TX descriptor initialization
1077 static void rt2500usb_write_tx_desc(struct rt2x00_dev
*rt2x00dev
,
1078 struct sk_buff
*skb
,
1079 struct txentry_desc
*txdesc
)
1081 struct skb_frame_desc
*skbdesc
= get_skb_frame_desc(skb
);
1082 __le32
*txd
= skbdesc
->desc
;
1086 * Start writing the descriptor words.
1088 rt2x00_desc_read(txd
, 1, &word
);
1089 rt2x00_set_field32(&word
, TXD_W1_IV_OFFSET
, IEEE80211_HEADER
);
1090 rt2x00_set_field32(&word
, TXD_W1_AIFS
, txdesc
->aifs
);
1091 rt2x00_set_field32(&word
, TXD_W1_CWMIN
, txdesc
->cw_min
);
1092 rt2x00_set_field32(&word
, TXD_W1_CWMAX
, txdesc
->cw_max
);
1093 rt2x00_desc_write(txd
, 1, word
);
1095 rt2x00_desc_read(txd
, 2, &word
);
1096 rt2x00_set_field32(&word
, TXD_W2_PLCP_SIGNAL
, txdesc
->signal
);
1097 rt2x00_set_field32(&word
, TXD_W2_PLCP_SERVICE
, txdesc
->service
);
1098 rt2x00_set_field32(&word
, TXD_W2_PLCP_LENGTH_LOW
, txdesc
->length_low
);
1099 rt2x00_set_field32(&word
, TXD_W2_PLCP_LENGTH_HIGH
, txdesc
->length_high
);
1100 rt2x00_desc_write(txd
, 2, word
);
1102 rt2x00_desc_read(txd
, 0, &word
);
1103 rt2x00_set_field32(&word
, TXD_W0_RETRY_LIMIT
, txdesc
->retry_limit
);
1104 rt2x00_set_field32(&word
, TXD_W0_MORE_FRAG
,
1105 test_bit(ENTRY_TXD_MORE_FRAG
, &txdesc
->flags
));
1106 rt2x00_set_field32(&word
, TXD_W0_ACK
,
1107 test_bit(ENTRY_TXD_ACK
, &txdesc
->flags
));
1108 rt2x00_set_field32(&word
, TXD_W0_TIMESTAMP
,
1109 test_bit(ENTRY_TXD_REQ_TIMESTAMP
, &txdesc
->flags
));
1110 rt2x00_set_field32(&word
, TXD_W0_OFDM
,
1111 test_bit(ENTRY_TXD_OFDM_RATE
, &txdesc
->flags
));
1112 rt2x00_set_field32(&word
, TXD_W0_NEW_SEQ
,
1113 test_bit(ENTRY_TXD_FIRST_FRAGMENT
, &txdesc
->flags
));
1114 rt2x00_set_field32(&word
, TXD_W0_IFS
, txdesc
->ifs
);
1115 rt2x00_set_field32(&word
, TXD_W0_DATABYTE_COUNT
, skb
->len
);
1116 rt2x00_set_field32(&word
, TXD_W0_CIPHER
, CIPHER_NONE
);
1117 rt2x00_desc_write(txd
, 0, word
);
1121 * TX data initialization
1123 static void rt2500usb_beacondone(struct urb
*urb
);
1125 static void rt2500usb_write_beacon(struct queue_entry
*entry
)
1127 struct rt2x00_dev
*rt2x00dev
= entry
->queue
->rt2x00dev
;
1128 struct usb_device
*usb_dev
= to_usb_device_intf(rt2x00dev
->dev
);
1129 struct queue_entry_priv_usb_bcn
*bcn_priv
= entry
->priv_data
;
1130 struct skb_frame_desc
*skbdesc
= get_skb_frame_desc(entry
->skb
);
1131 int pipe
= usb_sndbulkpipe(usb_dev
, 1);
1136 * Add the descriptor in front of the skb.
1138 skb_push(entry
->skb
, entry
->queue
->desc_size
);
1139 memcpy(entry
->skb
->data
, skbdesc
->desc
, skbdesc
->desc_len
);
1140 skbdesc
->desc
= entry
->skb
->data
;
1143 * Disable beaconing while we are reloading the beacon data,
1144 * otherwise we might be sending out invalid data.
1146 rt2500usb_register_read(rt2x00dev
, TXRX_CSR19
, ®
);
1147 rt2x00_set_field16(®
, TXRX_CSR19_TSF_COUNT
, 0);
1148 rt2x00_set_field16(®
, TXRX_CSR19_TBCN
, 0);
1149 rt2x00_set_field16(®
, TXRX_CSR19_BEACON_GEN
, 0);
1150 rt2500usb_register_write(rt2x00dev
, TXRX_CSR19
, reg
);
1153 * USB devices cannot blindly pass the skb->len as the
1154 * length of the data to usb_fill_bulk_urb. Pass the skb
1155 * to the driver to determine what the length should be.
1157 length
= rt2x00dev
->ops
->lib
->get_tx_data_len(rt2x00dev
, entry
->skb
);
1159 usb_fill_bulk_urb(bcn_priv
->urb
, usb_dev
, pipe
,
1160 entry
->skb
->data
, length
, rt2500usb_beacondone
,
1164 * Second we need to create the guardian byte.
1165 * We only need a single byte, so lets recycle
1166 * the 'flags' field we are not using for beacons.
1168 bcn_priv
->guardian_data
= 0;
1169 usb_fill_bulk_urb(bcn_priv
->guardian_urb
, usb_dev
, pipe
,
1170 &bcn_priv
->guardian_data
, 1, rt2500usb_beacondone
,
1174 * Send out the guardian byte.
1176 usb_submit_urb(bcn_priv
->guardian_urb
, GFP_ATOMIC
);
1179 static int rt2500usb_get_tx_data_len(struct rt2x00_dev
*rt2x00dev
,
1180 struct sk_buff
*skb
)
1185 * The length _must_ be a multiple of 2,
1186 * but it must _not_ be a multiple of the USB packet size.
1188 length
= roundup(skb
->len
, 2);
1189 length
+= (2 * !(length
% rt2x00dev
->usb_maxpacket
));
1194 static void rt2500usb_kick_tx_queue(struct rt2x00_dev
*rt2x00dev
,
1195 const enum data_queue_qid queue
)
1199 if (queue
!= QID_BEACON
) {
1200 rt2x00usb_kick_tx_queue(rt2x00dev
, queue
);
1204 rt2500usb_register_read(rt2x00dev
, TXRX_CSR19
, ®
);
1205 if (!rt2x00_get_field16(reg
, TXRX_CSR19_BEACON_GEN
)) {
1206 rt2x00_set_field16(®
, TXRX_CSR19_TSF_COUNT
, 1);
1207 rt2x00_set_field16(®
, TXRX_CSR19_TBCN
, 1);
1208 rt2x00_set_field16(®
, TXRX_CSR19_BEACON_GEN
, 1);
1210 * Beacon generation will fail initially.
1211 * To prevent this we need to register the TXRX_CSR19
1212 * register several times.
1214 rt2500usb_register_write(rt2x00dev
, TXRX_CSR19
, reg
);
1215 rt2500usb_register_write(rt2x00dev
, TXRX_CSR19
, 0);
1216 rt2500usb_register_write(rt2x00dev
, TXRX_CSR19
, reg
);
1217 rt2500usb_register_write(rt2x00dev
, TXRX_CSR19
, 0);
1218 rt2500usb_register_write(rt2x00dev
, TXRX_CSR19
, reg
);
1223 * RX control handlers
1225 static void rt2500usb_fill_rxdone(struct queue_entry
*entry
,
1226 struct rxdone_entry_desc
*rxdesc
)
1228 struct queue_entry_priv_usb
*entry_priv
= entry
->priv_data
;
1229 struct skb_frame_desc
*skbdesc
= get_skb_frame_desc(entry
->skb
);
1231 (__le32
*)(entry
->skb
->data
+
1232 (entry_priv
->urb
->actual_length
-
1233 entry
->queue
->desc_size
));
1238 * Copy descriptor to the skbdesc->desc buffer, making it safe from moving of
1239 * frame data in rt2x00usb.
1241 memcpy(skbdesc
->desc
, rxd
, skbdesc
->desc_len
);
1242 rxd
= (__le32
*)skbdesc
->desc
;
1245 * It is now safe to read the descriptor on all architectures.
1247 rt2x00_desc_read(rxd
, 0, &word0
);
1248 rt2x00_desc_read(rxd
, 1, &word1
);
1250 if (rt2x00_get_field32(word0
, RXD_W0_CRC_ERROR
))
1251 rxdesc
->flags
|= RX_FLAG_FAILED_FCS_CRC
;
1252 if (rt2x00_get_field32(word0
, RXD_W0_PHYSICAL_ERROR
))
1253 rxdesc
->flags
|= RX_FLAG_FAILED_PLCP_CRC
;
1256 * Obtain the status about this packet.
1257 * When frame was received with an OFDM bitrate,
1258 * the signal is the PLCP value. If it was received with
1259 * a CCK bitrate the signal is the rate in 100kbit/s.
1261 rxdesc
->signal
= rt2x00_get_field32(word1
, RXD_W1_SIGNAL
);
1262 rxdesc
->rssi
= rt2x00_get_field32(word1
, RXD_W1_RSSI
) -
1263 entry
->queue
->rt2x00dev
->rssi_offset
;
1264 rxdesc
->size
= rt2x00_get_field32(word0
, RXD_W0_DATABYTE_COUNT
);
1266 if (rt2x00_get_field32(word0
, RXD_W0_OFDM
))
1267 rxdesc
->dev_flags
|= RXDONE_SIGNAL_PLCP
;
1269 rxdesc
->dev_flags
|= RXDONE_SIGNAL_BITRATE
;
1270 if (rt2x00_get_field32(word0
, RXD_W0_MY_BSS
))
1271 rxdesc
->dev_flags
|= RXDONE_MY_BSS
;
1274 * Adjust the skb memory window to the frame boundaries.
1276 skb_trim(entry
->skb
, rxdesc
->size
);
1280 * Interrupt functions.
1282 static void rt2500usb_beacondone(struct urb
*urb
)
1284 struct queue_entry
*entry
= (struct queue_entry
*)urb
->context
;
1285 struct queue_entry_priv_usb_bcn
*bcn_priv
= entry
->priv_data
;
1287 if (!test_bit(DEVICE_STATE_ENABLED_RADIO
, &entry
->queue
->rt2x00dev
->flags
))
1291 * Check if this was the guardian beacon,
1292 * if that was the case we need to send the real beacon now.
1293 * Otherwise we should free the sk_buffer, the device
1294 * should be doing the rest of the work now.
1296 if (bcn_priv
->guardian_urb
== urb
) {
1297 usb_submit_urb(bcn_priv
->urb
, GFP_ATOMIC
);
1298 } else if (bcn_priv
->urb
== urb
) {
1299 dev_kfree_skb(entry
->skb
);
1305 * Device probe functions.
1307 static int rt2500usb_validate_eeprom(struct rt2x00_dev
*rt2x00dev
)
1313 rt2x00usb_eeprom_read(rt2x00dev
, rt2x00dev
->eeprom
, EEPROM_SIZE
);
1316 * Start validation of the data that has been read.
1318 mac
= rt2x00_eeprom_addr(rt2x00dev
, EEPROM_MAC_ADDR_0
);
1319 if (!is_valid_ether_addr(mac
)) {
1320 random_ether_addr(mac
);
1321 EEPROM(rt2x00dev
, "MAC: %pM\n", mac
);
1324 rt2x00_eeprom_read(rt2x00dev
, EEPROM_ANTENNA
, &word
);
1325 if (word
== 0xffff) {
1326 rt2x00_set_field16(&word
, EEPROM_ANTENNA_NUM
, 2);
1327 rt2x00_set_field16(&word
, EEPROM_ANTENNA_TX_DEFAULT
,
1328 ANTENNA_SW_DIVERSITY
);
1329 rt2x00_set_field16(&word
, EEPROM_ANTENNA_RX_DEFAULT
,
1330 ANTENNA_SW_DIVERSITY
);
1331 rt2x00_set_field16(&word
, EEPROM_ANTENNA_LED_MODE
,
1333 rt2x00_set_field16(&word
, EEPROM_ANTENNA_DYN_TXAGC
, 0);
1334 rt2x00_set_field16(&word
, EEPROM_ANTENNA_HARDWARE_RADIO
, 0);
1335 rt2x00_set_field16(&word
, EEPROM_ANTENNA_RF_TYPE
, RF2522
);
1336 rt2x00_eeprom_write(rt2x00dev
, EEPROM_ANTENNA
, word
);
1337 EEPROM(rt2x00dev
, "Antenna: 0x%04x\n", word
);
1340 rt2x00_eeprom_read(rt2x00dev
, EEPROM_NIC
, &word
);
1341 if (word
== 0xffff) {
1342 rt2x00_set_field16(&word
, EEPROM_NIC_CARDBUS_ACCEL
, 0);
1343 rt2x00_set_field16(&word
, EEPROM_NIC_DYN_BBP_TUNE
, 0);
1344 rt2x00_set_field16(&word
, EEPROM_NIC_CCK_TX_POWER
, 0);
1345 rt2x00_eeprom_write(rt2x00dev
, EEPROM_NIC
, word
);
1346 EEPROM(rt2x00dev
, "NIC: 0x%04x\n", word
);
1349 rt2x00_eeprom_read(rt2x00dev
, EEPROM_CALIBRATE_OFFSET
, &word
);
1350 if (word
== 0xffff) {
1351 rt2x00_set_field16(&word
, EEPROM_CALIBRATE_OFFSET_RSSI
,
1352 DEFAULT_RSSI_OFFSET
);
1353 rt2x00_eeprom_write(rt2x00dev
, EEPROM_CALIBRATE_OFFSET
, word
);
1354 EEPROM(rt2x00dev
, "Calibrate offset: 0x%04x\n", word
);
1357 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE
, &word
);
1358 if (word
== 0xffff) {
1359 rt2x00_set_field16(&word
, EEPROM_BBPTUNE_THRESHOLD
, 45);
1360 rt2x00_eeprom_write(rt2x00dev
, EEPROM_BBPTUNE
, word
);
1361 EEPROM(rt2x00dev
, "BBPtune: 0x%04x\n", word
);
1365 * Switch lower vgc bound to current BBP R17 value,
1366 * lower the value a bit for better quality.
1368 rt2500usb_bbp_read(rt2x00dev
, 17, &bbp
);
1371 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE_VGC
, &word
);
1372 if (word
== 0xffff) {
1373 rt2x00_set_field16(&word
, EEPROM_BBPTUNE_VGCUPPER
, 0x40);
1374 rt2x00_set_field16(&word
, EEPROM_BBPTUNE_VGCLOWER
, bbp
);
1375 rt2x00_eeprom_write(rt2x00dev
, EEPROM_BBPTUNE_VGC
, word
);
1376 EEPROM(rt2x00dev
, "BBPtune vgc: 0x%04x\n", word
);
1378 rt2x00_set_field16(&word
, EEPROM_BBPTUNE_VGCLOWER
, bbp
);
1379 rt2x00_eeprom_write(rt2x00dev
, EEPROM_BBPTUNE_VGC
, word
);
1382 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE_R17
, &word
);
1383 if (word
== 0xffff) {
1384 rt2x00_set_field16(&word
, EEPROM_BBPTUNE_R17_LOW
, 0x48);
1385 rt2x00_set_field16(&word
, EEPROM_BBPTUNE_R17_HIGH
, 0x41);
1386 rt2x00_eeprom_write(rt2x00dev
, EEPROM_BBPTUNE_R17
, word
);
1387 EEPROM(rt2x00dev
, "BBPtune r17: 0x%04x\n", word
);
1390 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE_R24
, &word
);
1391 if (word
== 0xffff) {
1392 rt2x00_set_field16(&word
, EEPROM_BBPTUNE_R24_LOW
, 0x40);
1393 rt2x00_set_field16(&word
, EEPROM_BBPTUNE_R24_HIGH
, 0x80);
1394 rt2x00_eeprom_write(rt2x00dev
, EEPROM_BBPTUNE_R24
, word
);
1395 EEPROM(rt2x00dev
, "BBPtune r24: 0x%04x\n", word
);
1398 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE_R25
, &word
);
1399 if (word
== 0xffff) {
1400 rt2x00_set_field16(&word
, EEPROM_BBPTUNE_R25_LOW
, 0x40);
1401 rt2x00_set_field16(&word
, EEPROM_BBPTUNE_R25_HIGH
, 0x50);
1402 rt2x00_eeprom_write(rt2x00dev
, EEPROM_BBPTUNE_R25
, word
);
1403 EEPROM(rt2x00dev
, "BBPtune r25: 0x%04x\n", word
);
1406 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE_R61
, &word
);
1407 if (word
== 0xffff) {
1408 rt2x00_set_field16(&word
, EEPROM_BBPTUNE_R61_LOW
, 0x60);
1409 rt2x00_set_field16(&word
, EEPROM_BBPTUNE_R61_HIGH
, 0x6d);
1410 rt2x00_eeprom_write(rt2x00dev
, EEPROM_BBPTUNE_R61
, word
);
1411 EEPROM(rt2x00dev
, "BBPtune r61: 0x%04x\n", word
);
1417 static int rt2500usb_init_eeprom(struct rt2x00_dev
*rt2x00dev
)
1424 * Read EEPROM word for configuration.
1426 rt2x00_eeprom_read(rt2x00dev
, EEPROM_ANTENNA
, &eeprom
);
1429 * Identify RF chipset.
1431 value
= rt2x00_get_field16(eeprom
, EEPROM_ANTENNA_RF_TYPE
);
1432 rt2500usb_register_read(rt2x00dev
, MAC_CSR0
, ®
);
1433 rt2x00_set_chip(rt2x00dev
, RT2570
, value
, reg
);
1435 if (!rt2x00_check_rev(&rt2x00dev
->chip
, 0)) {
1436 ERROR(rt2x00dev
, "Invalid RT chipset detected.\n");
1440 if (!rt2x00_rf(&rt2x00dev
->chip
, RF2522
) &&
1441 !rt2x00_rf(&rt2x00dev
->chip
, RF2523
) &&
1442 !rt2x00_rf(&rt2x00dev
->chip
, RF2524
) &&
1443 !rt2x00_rf(&rt2x00dev
->chip
, RF2525
) &&
1444 !rt2x00_rf(&rt2x00dev
->chip
, RF2525E
) &&
1445 !rt2x00_rf(&rt2x00dev
->chip
, RF5222
)) {
1446 ERROR(rt2x00dev
, "Invalid RF chipset detected.\n");
1451 * Identify default antenna configuration.
1453 rt2x00dev
->default_ant
.tx
=
1454 rt2x00_get_field16(eeprom
, EEPROM_ANTENNA_TX_DEFAULT
);
1455 rt2x00dev
->default_ant
.rx
=
1456 rt2x00_get_field16(eeprom
, EEPROM_ANTENNA_RX_DEFAULT
);
1459 * When the eeprom indicates SW_DIVERSITY use HW_DIVERSITY instead.
1460 * I am not 100% sure about this, but the legacy drivers do not
1461 * indicate antenna swapping in software is required when
1462 * diversity is enabled.
1464 if (rt2x00dev
->default_ant
.tx
== ANTENNA_SW_DIVERSITY
)
1465 rt2x00dev
->default_ant
.tx
= ANTENNA_HW_DIVERSITY
;
1466 if (rt2x00dev
->default_ant
.rx
== ANTENNA_SW_DIVERSITY
)
1467 rt2x00dev
->default_ant
.rx
= ANTENNA_HW_DIVERSITY
;
1470 * Store led mode, for correct led behaviour.
1472 #ifdef CONFIG_RT2X00_LIB_LEDS
1473 value
= rt2x00_get_field16(eeprom
, EEPROM_ANTENNA_LED_MODE
);
1475 rt2500usb_init_led(rt2x00dev
, &rt2x00dev
->led_radio
, LED_TYPE_RADIO
);
1476 if (value
== LED_MODE_TXRX_ACTIVITY
)
1477 rt2500usb_init_led(rt2x00dev
, &rt2x00dev
->led_qual
,
1479 #endif /* CONFIG_RT2X00_LIB_LEDS */
1482 * Check if the BBP tuning should be disabled.
1484 rt2x00_eeprom_read(rt2x00dev
, EEPROM_NIC
, &eeprom
);
1485 if (rt2x00_get_field16(eeprom
, EEPROM_NIC_DYN_BBP_TUNE
))
1486 __set_bit(CONFIG_DISABLE_LINK_TUNING
, &rt2x00dev
->flags
);
1489 * Read the RSSI <-> dBm offset information.
1491 rt2x00_eeprom_read(rt2x00dev
, EEPROM_CALIBRATE_OFFSET
, &eeprom
);
1492 rt2x00dev
->rssi_offset
=
1493 rt2x00_get_field16(eeprom
, EEPROM_CALIBRATE_OFFSET_RSSI
);
1499 * RF value list for RF2522
1502 static const struct rf_channel rf_vals_bg_2522
[] = {
1503 { 1, 0x00002050, 0x000c1fda, 0x00000101, 0 },
1504 { 2, 0x00002050, 0x000c1fee, 0x00000101, 0 },
1505 { 3, 0x00002050, 0x000c2002, 0x00000101, 0 },
1506 { 4, 0x00002050, 0x000c2016, 0x00000101, 0 },
1507 { 5, 0x00002050, 0x000c202a, 0x00000101, 0 },
1508 { 6, 0x00002050, 0x000c203e, 0x00000101, 0 },
1509 { 7, 0x00002050, 0x000c2052, 0x00000101, 0 },
1510 { 8, 0x00002050, 0x000c2066, 0x00000101, 0 },
1511 { 9, 0x00002050, 0x000c207a, 0x00000101, 0 },
1512 { 10, 0x00002050, 0x000c208e, 0x00000101, 0 },
1513 { 11, 0x00002050, 0x000c20a2, 0x00000101, 0 },
1514 { 12, 0x00002050, 0x000c20b6, 0x00000101, 0 },
1515 { 13, 0x00002050, 0x000c20ca, 0x00000101, 0 },
1516 { 14, 0x00002050, 0x000c20fa, 0x00000101, 0 },
1520 * RF value list for RF2523
1523 static const struct rf_channel rf_vals_bg_2523
[] = {
1524 { 1, 0x00022010, 0x00000c9e, 0x000e0111, 0x00000a1b },
1525 { 2, 0x00022010, 0x00000ca2, 0x000e0111, 0x00000a1b },
1526 { 3, 0x00022010, 0x00000ca6, 0x000e0111, 0x00000a1b },
1527 { 4, 0x00022010, 0x00000caa, 0x000e0111, 0x00000a1b },
1528 { 5, 0x00022010, 0x00000cae, 0x000e0111, 0x00000a1b },
1529 { 6, 0x00022010, 0x00000cb2, 0x000e0111, 0x00000a1b },
1530 { 7, 0x00022010, 0x00000cb6, 0x000e0111, 0x00000a1b },
1531 { 8, 0x00022010, 0x00000cba, 0x000e0111, 0x00000a1b },
1532 { 9, 0x00022010, 0x00000cbe, 0x000e0111, 0x00000a1b },
1533 { 10, 0x00022010, 0x00000d02, 0x000e0111, 0x00000a1b },
1534 { 11, 0x00022010, 0x00000d06, 0x000e0111, 0x00000a1b },
1535 { 12, 0x00022010, 0x00000d0a, 0x000e0111, 0x00000a1b },
1536 { 13, 0x00022010, 0x00000d0e, 0x000e0111, 0x00000a1b },
1537 { 14, 0x00022010, 0x00000d1a, 0x000e0111, 0x00000a03 },
1541 * RF value list for RF2524
1544 static const struct rf_channel rf_vals_bg_2524
[] = {
1545 { 1, 0x00032020, 0x00000c9e, 0x00000101, 0x00000a1b },
1546 { 2, 0x00032020, 0x00000ca2, 0x00000101, 0x00000a1b },
1547 { 3, 0x00032020, 0x00000ca6, 0x00000101, 0x00000a1b },
1548 { 4, 0x00032020, 0x00000caa, 0x00000101, 0x00000a1b },
1549 { 5, 0x00032020, 0x00000cae, 0x00000101, 0x00000a1b },
1550 { 6, 0x00032020, 0x00000cb2, 0x00000101, 0x00000a1b },
1551 { 7, 0x00032020, 0x00000cb6, 0x00000101, 0x00000a1b },
1552 { 8, 0x00032020, 0x00000cba, 0x00000101, 0x00000a1b },
1553 { 9, 0x00032020, 0x00000cbe, 0x00000101, 0x00000a1b },
1554 { 10, 0x00032020, 0x00000d02, 0x00000101, 0x00000a1b },
1555 { 11, 0x00032020, 0x00000d06, 0x00000101, 0x00000a1b },
1556 { 12, 0x00032020, 0x00000d0a, 0x00000101, 0x00000a1b },
1557 { 13, 0x00032020, 0x00000d0e, 0x00000101, 0x00000a1b },
1558 { 14, 0x00032020, 0x00000d1a, 0x00000101, 0x00000a03 },
1562 * RF value list for RF2525
1565 static const struct rf_channel rf_vals_bg_2525
[] = {
1566 { 1, 0x00022020, 0x00080c9e, 0x00060111, 0x00000a1b },
1567 { 2, 0x00022020, 0x00080ca2, 0x00060111, 0x00000a1b },
1568 { 3, 0x00022020, 0x00080ca6, 0x00060111, 0x00000a1b },
1569 { 4, 0x00022020, 0x00080caa, 0x00060111, 0x00000a1b },
1570 { 5, 0x00022020, 0x00080cae, 0x00060111, 0x00000a1b },
1571 { 6, 0x00022020, 0x00080cb2, 0x00060111, 0x00000a1b },
1572 { 7, 0x00022020, 0x00080cb6, 0x00060111, 0x00000a1b },
1573 { 8, 0x00022020, 0x00080cba, 0x00060111, 0x00000a1b },
1574 { 9, 0x00022020, 0x00080cbe, 0x00060111, 0x00000a1b },
1575 { 10, 0x00022020, 0x00080d02, 0x00060111, 0x00000a1b },
1576 { 11, 0x00022020, 0x00080d06, 0x00060111, 0x00000a1b },
1577 { 12, 0x00022020, 0x00080d0a, 0x00060111, 0x00000a1b },
1578 { 13, 0x00022020, 0x00080d0e, 0x00060111, 0x00000a1b },
1579 { 14, 0x00022020, 0x00080d1a, 0x00060111, 0x00000a03 },
1583 * RF value list for RF2525e
1586 static const struct rf_channel rf_vals_bg_2525e
[] = {
1587 { 1, 0x00022010, 0x0000089a, 0x00060111, 0x00000e1b },
1588 { 2, 0x00022010, 0x0000089e, 0x00060111, 0x00000e07 },
1589 { 3, 0x00022010, 0x0000089e, 0x00060111, 0x00000e1b },
1590 { 4, 0x00022010, 0x000008a2, 0x00060111, 0x00000e07 },
1591 { 5, 0x00022010, 0x000008a2, 0x00060111, 0x00000e1b },
1592 { 6, 0x00022010, 0x000008a6, 0x00060111, 0x00000e07 },
1593 { 7, 0x00022010, 0x000008a6, 0x00060111, 0x00000e1b },
1594 { 8, 0x00022010, 0x000008aa, 0x00060111, 0x00000e07 },
1595 { 9, 0x00022010, 0x000008aa, 0x00060111, 0x00000e1b },
1596 { 10, 0x00022010, 0x000008ae, 0x00060111, 0x00000e07 },
1597 { 11, 0x00022010, 0x000008ae, 0x00060111, 0x00000e1b },
1598 { 12, 0x00022010, 0x000008b2, 0x00060111, 0x00000e07 },
1599 { 13, 0x00022010, 0x000008b2, 0x00060111, 0x00000e1b },
1600 { 14, 0x00022010, 0x000008b6, 0x00060111, 0x00000e23 },
1604 * RF value list for RF5222
1605 * Supports: 2.4 GHz & 5.2 GHz
1607 static const struct rf_channel rf_vals_5222
[] = {
1608 { 1, 0x00022020, 0x00001136, 0x00000101, 0x00000a0b },
1609 { 2, 0x00022020, 0x0000113a, 0x00000101, 0x00000a0b },
1610 { 3, 0x00022020, 0x0000113e, 0x00000101, 0x00000a0b },
1611 { 4, 0x00022020, 0x00001182, 0x00000101, 0x00000a0b },
1612 { 5, 0x00022020, 0x00001186, 0x00000101, 0x00000a0b },
1613 { 6, 0x00022020, 0x0000118a, 0x00000101, 0x00000a0b },
1614 { 7, 0x00022020, 0x0000118e, 0x00000101, 0x00000a0b },
1615 { 8, 0x00022020, 0x00001192, 0x00000101, 0x00000a0b },
1616 { 9, 0x00022020, 0x00001196, 0x00000101, 0x00000a0b },
1617 { 10, 0x00022020, 0x0000119a, 0x00000101, 0x00000a0b },
1618 { 11, 0x00022020, 0x0000119e, 0x00000101, 0x00000a0b },
1619 { 12, 0x00022020, 0x000011a2, 0x00000101, 0x00000a0b },
1620 { 13, 0x00022020, 0x000011a6, 0x00000101, 0x00000a0b },
1621 { 14, 0x00022020, 0x000011ae, 0x00000101, 0x00000a1b },
1623 /* 802.11 UNI / HyperLan 2 */
1624 { 36, 0x00022010, 0x00018896, 0x00000101, 0x00000a1f },
1625 { 40, 0x00022010, 0x0001889a, 0x00000101, 0x00000a1f },
1626 { 44, 0x00022010, 0x0001889e, 0x00000101, 0x00000a1f },
1627 { 48, 0x00022010, 0x000188a2, 0x00000101, 0x00000a1f },
1628 { 52, 0x00022010, 0x000188a6, 0x00000101, 0x00000a1f },
1629 { 66, 0x00022010, 0x000188aa, 0x00000101, 0x00000a1f },
1630 { 60, 0x00022010, 0x000188ae, 0x00000101, 0x00000a1f },
1631 { 64, 0x00022010, 0x000188b2, 0x00000101, 0x00000a1f },
1633 /* 802.11 HyperLan 2 */
1634 { 100, 0x00022010, 0x00008802, 0x00000101, 0x00000a0f },
1635 { 104, 0x00022010, 0x00008806, 0x00000101, 0x00000a0f },
1636 { 108, 0x00022010, 0x0000880a, 0x00000101, 0x00000a0f },
1637 { 112, 0x00022010, 0x0000880e, 0x00000101, 0x00000a0f },
1638 { 116, 0x00022010, 0x00008812, 0x00000101, 0x00000a0f },
1639 { 120, 0x00022010, 0x00008816, 0x00000101, 0x00000a0f },
1640 { 124, 0x00022010, 0x0000881a, 0x00000101, 0x00000a0f },
1641 { 128, 0x00022010, 0x0000881e, 0x00000101, 0x00000a0f },
1642 { 132, 0x00022010, 0x00008822, 0x00000101, 0x00000a0f },
1643 { 136, 0x00022010, 0x00008826, 0x00000101, 0x00000a0f },
1646 { 140, 0x00022010, 0x0000882a, 0x00000101, 0x00000a0f },
1647 { 149, 0x00022020, 0x000090a6, 0x00000101, 0x00000a07 },
1648 { 153, 0x00022020, 0x000090ae, 0x00000101, 0x00000a07 },
1649 { 157, 0x00022020, 0x000090b6, 0x00000101, 0x00000a07 },
1650 { 161, 0x00022020, 0x000090be, 0x00000101, 0x00000a07 },
1653 static int rt2500usb_probe_hw_mode(struct rt2x00_dev
*rt2x00dev
)
1655 struct hw_mode_spec
*spec
= &rt2x00dev
->spec
;
1656 struct channel_info
*info
;
1661 * Initialize all hw fields.
1663 rt2x00dev
->hw
->flags
=
1664 IEEE80211_HW_RX_INCLUDES_FCS
|
1665 IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING
|
1666 IEEE80211_HW_SIGNAL_DBM
;
1668 rt2x00dev
->hw
->extra_tx_headroom
= TXD_DESC_SIZE
;
1670 SET_IEEE80211_DEV(rt2x00dev
->hw
, rt2x00dev
->dev
);
1671 SET_IEEE80211_PERM_ADDR(rt2x00dev
->hw
,
1672 rt2x00_eeprom_addr(rt2x00dev
,
1673 EEPROM_MAC_ADDR_0
));
1676 * Initialize hw_mode information.
1678 spec
->supported_bands
= SUPPORT_BAND_2GHZ
;
1679 spec
->supported_rates
= SUPPORT_RATE_CCK
| SUPPORT_RATE_OFDM
;
1681 if (rt2x00_rf(&rt2x00dev
->chip
, RF2522
)) {
1682 spec
->num_channels
= ARRAY_SIZE(rf_vals_bg_2522
);
1683 spec
->channels
= rf_vals_bg_2522
;
1684 } else if (rt2x00_rf(&rt2x00dev
->chip
, RF2523
)) {
1685 spec
->num_channels
= ARRAY_SIZE(rf_vals_bg_2523
);
1686 spec
->channels
= rf_vals_bg_2523
;
1687 } else if (rt2x00_rf(&rt2x00dev
->chip
, RF2524
)) {
1688 spec
->num_channels
= ARRAY_SIZE(rf_vals_bg_2524
);
1689 spec
->channels
= rf_vals_bg_2524
;
1690 } else if (rt2x00_rf(&rt2x00dev
->chip
, RF2525
)) {
1691 spec
->num_channels
= ARRAY_SIZE(rf_vals_bg_2525
);
1692 spec
->channels
= rf_vals_bg_2525
;
1693 } else if (rt2x00_rf(&rt2x00dev
->chip
, RF2525E
)) {
1694 spec
->num_channels
= ARRAY_SIZE(rf_vals_bg_2525e
);
1695 spec
->channels
= rf_vals_bg_2525e
;
1696 } else if (rt2x00_rf(&rt2x00dev
->chip
, RF5222
)) {
1697 spec
->supported_bands
|= SUPPORT_BAND_5GHZ
;
1698 spec
->num_channels
= ARRAY_SIZE(rf_vals_5222
);
1699 spec
->channels
= rf_vals_5222
;
1703 * Create channel information array
1705 info
= kzalloc(spec
->num_channels
* sizeof(*info
), GFP_KERNEL
);
1709 spec
->channels_info
= info
;
1711 tx_power
= rt2x00_eeprom_addr(rt2x00dev
, EEPROM_TXPOWER_START
);
1712 for (i
= 0; i
< 14; i
++)
1713 info
[i
].tx_power1
= TXPOWER_FROM_DEV(tx_power
[i
]);
1715 if (spec
->num_channels
> 14) {
1716 for (i
= 14; i
< spec
->num_channels
; i
++)
1717 info
[i
].tx_power1
= DEFAULT_TXPOWER
;
1723 static int rt2500usb_probe_hw(struct rt2x00_dev
*rt2x00dev
)
1728 * Allocate eeprom data.
1730 retval
= rt2500usb_validate_eeprom(rt2x00dev
);
1734 retval
= rt2500usb_init_eeprom(rt2x00dev
);
1739 * Initialize hw specifications.
1741 retval
= rt2500usb_probe_hw_mode(rt2x00dev
);
1746 * This device requires the atim queue
1748 __set_bit(DRIVER_REQUIRE_ATIM_QUEUE
, &rt2x00dev
->flags
);
1749 __set_bit(DRIVER_REQUIRE_BEACON_GUARD
, &rt2x00dev
->flags
);
1750 __set_bit(DRIVER_REQUIRE_SCHEDULED
, &rt2x00dev
->flags
);
1751 __set_bit(CONFIG_DISABLE_LINK_TUNING
, &rt2x00dev
->flags
);
1754 * Set the rssi offset.
1756 rt2x00dev
->rssi_offset
= DEFAULT_RSSI_OFFSET
;
1761 static const struct ieee80211_ops rt2500usb_mac80211_ops
= {
1763 .start
= rt2x00mac_start
,
1764 .stop
= rt2x00mac_stop
,
1765 .add_interface
= rt2x00mac_add_interface
,
1766 .remove_interface
= rt2x00mac_remove_interface
,
1767 .config
= rt2x00mac_config
,
1768 .config_interface
= rt2x00mac_config_interface
,
1769 .configure_filter
= rt2x00mac_configure_filter
,
1770 .get_stats
= rt2x00mac_get_stats
,
1771 .bss_info_changed
= rt2x00mac_bss_info_changed
,
1772 .conf_tx
= rt2x00mac_conf_tx
,
1773 .get_tx_stats
= rt2x00mac_get_tx_stats
,
1776 static const struct rt2x00lib_ops rt2500usb_rt2x00_ops
= {
1777 .probe_hw
= rt2500usb_probe_hw
,
1778 .initialize
= rt2x00usb_initialize
,
1779 .uninitialize
= rt2x00usb_uninitialize
,
1780 .clear_entry
= rt2x00usb_clear_entry
,
1781 .set_device_state
= rt2500usb_set_device_state
,
1782 .link_stats
= rt2500usb_link_stats
,
1783 .reset_tuner
= rt2500usb_reset_tuner
,
1784 .link_tuner
= rt2500usb_link_tuner
,
1785 .write_tx_desc
= rt2500usb_write_tx_desc
,
1786 .write_tx_data
= rt2x00usb_write_tx_data
,
1787 .write_beacon
= rt2500usb_write_beacon
,
1788 .get_tx_data_len
= rt2500usb_get_tx_data_len
,
1789 .kick_tx_queue
= rt2500usb_kick_tx_queue
,
1790 .fill_rxdone
= rt2500usb_fill_rxdone
,
1791 .config_filter
= rt2500usb_config_filter
,
1792 .config_intf
= rt2500usb_config_intf
,
1793 .config_erp
= rt2500usb_config_erp
,
1794 .config_ant
= rt2500usb_config_ant
,
1795 .config
= rt2500usb_config
,
1798 static const struct data_queue_desc rt2500usb_queue_rx
= {
1799 .entry_num
= RX_ENTRIES
,
1800 .data_size
= DATA_FRAME_SIZE
,
1801 .desc_size
= RXD_DESC_SIZE
,
1802 .priv_size
= sizeof(struct queue_entry_priv_usb
),
1805 static const struct data_queue_desc rt2500usb_queue_tx
= {
1806 .entry_num
= TX_ENTRIES
,
1807 .data_size
= DATA_FRAME_SIZE
,
1808 .desc_size
= TXD_DESC_SIZE
,
1809 .priv_size
= sizeof(struct queue_entry_priv_usb
),
1812 static const struct data_queue_desc rt2500usb_queue_bcn
= {
1813 .entry_num
= BEACON_ENTRIES
,
1814 .data_size
= MGMT_FRAME_SIZE
,
1815 .desc_size
= TXD_DESC_SIZE
,
1816 .priv_size
= sizeof(struct queue_entry_priv_usb_bcn
),
1819 static const struct data_queue_desc rt2500usb_queue_atim
= {
1820 .entry_num
= ATIM_ENTRIES
,
1821 .data_size
= DATA_FRAME_SIZE
,
1822 .desc_size
= TXD_DESC_SIZE
,
1823 .priv_size
= sizeof(struct queue_entry_priv_usb
),
1826 static const struct rt2x00_ops rt2500usb_ops
= {
1827 .name
= KBUILD_MODNAME
,
1830 .eeprom_size
= EEPROM_SIZE
,
1832 .tx_queues
= NUM_TX_QUEUES
,
1833 .rx
= &rt2500usb_queue_rx
,
1834 .tx
= &rt2500usb_queue_tx
,
1835 .bcn
= &rt2500usb_queue_bcn
,
1836 .atim
= &rt2500usb_queue_atim
,
1837 .lib
= &rt2500usb_rt2x00_ops
,
1838 .hw
= &rt2500usb_mac80211_ops
,
1839 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
1840 .debugfs
= &rt2500usb_rt2x00debug
,
1841 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
1845 * rt2500usb module information.
1847 static struct usb_device_id rt2500usb_device_table
[] = {
1849 { USB_DEVICE(0x0b05, 0x1706), USB_DEVICE_DATA(&rt2500usb_ops
) },
1850 { USB_DEVICE(0x0b05, 0x1707), USB_DEVICE_DATA(&rt2500usb_ops
) },
1852 { USB_DEVICE(0x050d, 0x7050), USB_DEVICE_DATA(&rt2500usb_ops
) },
1853 { USB_DEVICE(0x050d, 0x7051), USB_DEVICE_DATA(&rt2500usb_ops
) },
1854 { USB_DEVICE(0x050d, 0x705a), USB_DEVICE_DATA(&rt2500usb_ops
) },
1856 { USB_DEVICE(0x13b1, 0x000d), USB_DEVICE_DATA(&rt2500usb_ops
) },
1857 { USB_DEVICE(0x13b1, 0x0011), USB_DEVICE_DATA(&rt2500usb_ops
) },
1858 { USB_DEVICE(0x13b1, 0x001a), USB_DEVICE_DATA(&rt2500usb_ops
) },
1860 { USB_DEVICE(0x14b2, 0x3c02), USB_DEVICE_DATA(&rt2500usb_ops
) },
1862 { USB_DEVICE(0x2001, 0x3c00), USB_DEVICE_DATA(&rt2500usb_ops
) },
1864 { USB_DEVICE(0x1044, 0x8001), USB_DEVICE_DATA(&rt2500usb_ops
) },
1865 { USB_DEVICE(0x1044, 0x8007), USB_DEVICE_DATA(&rt2500usb_ops
) },
1867 { USB_DEVICE(0x06f8, 0xe000), USB_DEVICE_DATA(&rt2500usb_ops
) },
1869 { USB_DEVICE(0x0411, 0x005e), USB_DEVICE_DATA(&rt2500usb_ops
) },
1870 { USB_DEVICE(0x0411, 0x0066), USB_DEVICE_DATA(&rt2500usb_ops
) },
1871 { USB_DEVICE(0x0411, 0x0067), USB_DEVICE_DATA(&rt2500usb_ops
) },
1872 { USB_DEVICE(0x0411, 0x008b), USB_DEVICE_DATA(&rt2500usb_ops
) },
1873 { USB_DEVICE(0x0411, 0x0097), USB_DEVICE_DATA(&rt2500usb_ops
) },
1875 { USB_DEVICE(0x0db0, 0x6861), USB_DEVICE_DATA(&rt2500usb_ops
) },
1876 { USB_DEVICE(0x0db0, 0x6865), USB_DEVICE_DATA(&rt2500usb_ops
) },
1877 { USB_DEVICE(0x0db0, 0x6869), USB_DEVICE_DATA(&rt2500usb_ops
) },
1879 { USB_DEVICE(0x148f, 0x1706), USB_DEVICE_DATA(&rt2500usb_ops
) },
1880 { USB_DEVICE(0x148f, 0x2570), USB_DEVICE_DATA(&rt2500usb_ops
) },
1881 { USB_DEVICE(0x148f, 0x2573), USB_DEVICE_DATA(&rt2500usb_ops
) },
1882 { USB_DEVICE(0x148f, 0x9020), USB_DEVICE_DATA(&rt2500usb_ops
) },
1884 { USB_DEVICE(0x0681, 0x3c06), USB_DEVICE_DATA(&rt2500usb_ops
) },
1886 { USB_DEVICE(0x0707, 0xee13), USB_DEVICE_DATA(&rt2500usb_ops
) },
1888 { USB_DEVICE(0x114b, 0x0110), USB_DEVICE_DATA(&rt2500usb_ops
) },
1890 { USB_DEVICE(0x0eb0, 0x9020), USB_DEVICE_DATA(&rt2500usb_ops
) },
1892 { USB_DEVICE(0x5a57, 0x0260), USB_DEVICE_DATA(&rt2500usb_ops
) },
1896 MODULE_AUTHOR(DRV_PROJECT
);
1897 MODULE_VERSION(DRV_VERSION
);
1898 MODULE_DESCRIPTION("Ralink RT2500 USB Wireless LAN driver.");
1899 MODULE_SUPPORTED_DEVICE("Ralink RT2570 USB chipset based cards");
1900 MODULE_DEVICE_TABLE(usb
, rt2500usb_device_table
);
1901 MODULE_LICENSE("GPL");
1903 static struct usb_driver rt2500usb_driver
= {
1904 .name
= KBUILD_MODNAME
,
1905 .id_table
= rt2500usb_device_table
,
1906 .probe
= rt2x00usb_probe
,
1907 .disconnect
= rt2x00usb_disconnect
,
1908 .suspend
= rt2x00usb_suspend
,
1909 .resume
= rt2x00usb_resume
,
1912 static int __init
rt2500usb_init(void)
1914 return usb_register(&rt2500usb_driver
);
1917 static void __exit
rt2500usb_exit(void)
1919 usb_deregister(&rt2500usb_driver
);
1922 module_init(rt2500usb_init
);
1923 module_exit(rt2500usb_exit
);