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 csr_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(reg
), 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(reg
), 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(reg
), 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(reg
), 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 int rt2500usb_regbusy_read(struct rt2x00_dev
*rt2x00dev
,
116 const unsigned int offset
,
117 struct rt2x00_field16 field
,
122 for (i
= 0; i
< REGISTER_BUSY_COUNT
; i
++) {
123 rt2500usb_register_read_lock(rt2x00dev
, offset
, reg
);
124 if (!rt2x00_get_field16(*reg
, field
))
126 udelay(REGISTER_BUSY_DELAY
);
129 ERROR(rt2x00dev
, "Indirect register access failed: "
130 "offset=0x%.08x, value=0x%.08x\n", offset
, *reg
);
136 #define WAIT_FOR_BBP(__dev, __reg) \
137 rt2500usb_regbusy_read((__dev), PHY_CSR8, PHY_CSR8_BUSY, (__reg))
138 #define WAIT_FOR_RF(__dev, __reg) \
139 rt2500usb_regbusy_read((__dev), PHY_CSR10, PHY_CSR10_RF_BUSY, (__reg))
141 static void rt2500usb_bbp_write(struct rt2x00_dev
*rt2x00dev
,
142 const unsigned int word
, const u8 value
)
146 mutex_lock(&rt2x00dev
->csr_mutex
);
149 * Wait until the BBP becomes available, afterwards we
150 * can safely write the new data into the register.
152 if (WAIT_FOR_BBP(rt2x00dev
, ®
)) {
154 rt2x00_set_field16(®
, PHY_CSR7_DATA
, value
);
155 rt2x00_set_field16(®
, PHY_CSR7_REG_ID
, word
);
156 rt2x00_set_field16(®
, PHY_CSR7_READ_CONTROL
, 0);
158 rt2500usb_register_write_lock(rt2x00dev
, PHY_CSR7
, reg
);
161 mutex_unlock(&rt2x00dev
->csr_mutex
);
164 static void rt2500usb_bbp_read(struct rt2x00_dev
*rt2x00dev
,
165 const unsigned int word
, u8
*value
)
169 mutex_lock(&rt2x00dev
->csr_mutex
);
172 * Wait until the BBP becomes available, afterwards we
173 * can safely write the read request into the register.
174 * After the data has been written, we wait until hardware
175 * returns the correct value, if at any time the register
176 * doesn't become available in time, reg will be 0xffffffff
177 * which means we return 0xff to the caller.
179 if (WAIT_FOR_BBP(rt2x00dev
, ®
)) {
181 rt2x00_set_field16(®
, PHY_CSR7_REG_ID
, word
);
182 rt2x00_set_field16(®
, PHY_CSR7_READ_CONTROL
, 1);
184 rt2500usb_register_write_lock(rt2x00dev
, PHY_CSR7
, reg
);
186 if (WAIT_FOR_BBP(rt2x00dev
, ®
))
187 rt2500usb_register_read_lock(rt2x00dev
, PHY_CSR7
, ®
);
190 *value
= rt2x00_get_field16(reg
, PHY_CSR7_DATA
);
192 mutex_unlock(&rt2x00dev
->csr_mutex
);
195 static void rt2500usb_rf_write(struct rt2x00_dev
*rt2x00dev
,
196 const unsigned int word
, const u32 value
)
203 mutex_lock(&rt2x00dev
->csr_mutex
);
206 * Wait until the RF becomes available, afterwards we
207 * can safely write the new data into the register.
209 if (WAIT_FOR_RF(rt2x00dev
, ®
)) {
211 rt2x00_set_field16(®
, PHY_CSR9_RF_VALUE
, value
);
212 rt2500usb_register_write_lock(rt2x00dev
, PHY_CSR9
, reg
);
215 rt2x00_set_field16(®
, PHY_CSR10_RF_VALUE
, value
>> 16);
216 rt2x00_set_field16(®
, PHY_CSR10_RF_NUMBER_OF_BITS
, 20);
217 rt2x00_set_field16(®
, PHY_CSR10_RF_IF_SELECT
, 0);
218 rt2x00_set_field16(®
, PHY_CSR10_RF_BUSY
, 1);
220 rt2500usb_register_write_lock(rt2x00dev
, PHY_CSR10
, reg
);
221 rt2x00_rf_write(rt2x00dev
, word
, value
);
224 mutex_unlock(&rt2x00dev
->csr_mutex
);
227 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
228 static void _rt2500usb_register_read(struct rt2x00_dev
*rt2x00dev
,
229 const unsigned int offset
,
232 rt2500usb_register_read(rt2x00dev
, offset
, (u16
*)value
);
235 static void _rt2500usb_register_write(struct rt2x00_dev
*rt2x00dev
,
236 const unsigned int offset
,
239 rt2500usb_register_write(rt2x00dev
, offset
, value
);
242 static const struct rt2x00debug rt2500usb_rt2x00debug
= {
243 .owner
= THIS_MODULE
,
245 .read
= _rt2500usb_register_read
,
246 .write
= _rt2500usb_register_write
,
247 .flags
= RT2X00DEBUGFS_OFFSET
,
248 .word_base
= CSR_REG_BASE
,
249 .word_size
= sizeof(u16
),
250 .word_count
= CSR_REG_SIZE
/ sizeof(u16
),
253 .read
= rt2x00_eeprom_read
,
254 .write
= rt2x00_eeprom_write
,
255 .word_base
= EEPROM_BASE
,
256 .word_size
= sizeof(u16
),
257 .word_count
= EEPROM_SIZE
/ sizeof(u16
),
260 .read
= rt2500usb_bbp_read
,
261 .write
= rt2500usb_bbp_write
,
262 .word_base
= BBP_BASE
,
263 .word_size
= sizeof(u8
),
264 .word_count
= BBP_SIZE
/ sizeof(u8
),
267 .read
= rt2x00_rf_read
,
268 .write
= rt2500usb_rf_write
,
269 .word_base
= RF_BASE
,
270 .word_size
= sizeof(u32
),
271 .word_count
= RF_SIZE
/ sizeof(u32
),
274 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
276 #ifdef CONFIG_RT2X00_LIB_LEDS
277 static void rt2500usb_brightness_set(struct led_classdev
*led_cdev
,
278 enum led_brightness brightness
)
280 struct rt2x00_led
*led
=
281 container_of(led_cdev
, struct rt2x00_led
, led_dev
);
282 unsigned int enabled
= brightness
!= LED_OFF
;
285 rt2500usb_register_read(led
->rt2x00dev
, MAC_CSR20
, ®
);
287 if (led
->type
== LED_TYPE_RADIO
|| led
->type
== LED_TYPE_ASSOC
)
288 rt2x00_set_field16(®
, MAC_CSR20_LINK
, enabled
);
289 else if (led
->type
== LED_TYPE_ACTIVITY
)
290 rt2x00_set_field16(®
, MAC_CSR20_ACTIVITY
, enabled
);
292 rt2500usb_register_write(led
->rt2x00dev
, MAC_CSR20
, reg
);
295 static int rt2500usb_blink_set(struct led_classdev
*led_cdev
,
296 unsigned long *delay_on
,
297 unsigned long *delay_off
)
299 struct rt2x00_led
*led
=
300 container_of(led_cdev
, struct rt2x00_led
, led_dev
);
303 rt2500usb_register_read(led
->rt2x00dev
, MAC_CSR21
, ®
);
304 rt2x00_set_field16(®
, MAC_CSR21_ON_PERIOD
, *delay_on
);
305 rt2x00_set_field16(®
, MAC_CSR21_OFF_PERIOD
, *delay_off
);
306 rt2500usb_register_write(led
->rt2x00dev
, MAC_CSR21
, reg
);
311 static void rt2500usb_init_led(struct rt2x00_dev
*rt2x00dev
,
312 struct rt2x00_led
*led
,
315 led
->rt2x00dev
= rt2x00dev
;
317 led
->led_dev
.brightness_set
= rt2500usb_brightness_set
;
318 led
->led_dev
.blink_set
= rt2500usb_blink_set
;
319 led
->flags
= LED_INITIALIZED
;
321 #endif /* CONFIG_RT2X00_LIB_LEDS */
324 * Configuration handlers.
326 static void rt2500usb_config_filter(struct rt2x00_dev
*rt2x00dev
,
327 const unsigned int filter_flags
)
332 * Start configuration steps.
333 * Note that the version error will always be dropped
334 * and broadcast frames will always be accepted since
335 * there is no filter for it at this time.
337 rt2500usb_register_read(rt2x00dev
, TXRX_CSR2
, ®
);
338 rt2x00_set_field16(®
, TXRX_CSR2_DROP_CRC
,
339 !(filter_flags
& FIF_FCSFAIL
));
340 rt2x00_set_field16(®
, TXRX_CSR2_DROP_PHYSICAL
,
341 !(filter_flags
& FIF_PLCPFAIL
));
342 rt2x00_set_field16(®
, TXRX_CSR2_DROP_CONTROL
,
343 !(filter_flags
& FIF_CONTROL
));
344 rt2x00_set_field16(®
, TXRX_CSR2_DROP_NOT_TO_ME
,
345 !(filter_flags
& FIF_PROMISC_IN_BSS
));
346 rt2x00_set_field16(®
, TXRX_CSR2_DROP_TODS
,
347 !(filter_flags
& FIF_PROMISC_IN_BSS
) &&
348 !rt2x00dev
->intf_ap_count
);
349 rt2x00_set_field16(®
, TXRX_CSR2_DROP_VERSION_ERROR
, 1);
350 rt2x00_set_field16(®
, TXRX_CSR2_DROP_MULTICAST
,
351 !(filter_flags
& FIF_ALLMULTI
));
352 rt2x00_set_field16(®
, TXRX_CSR2_DROP_BROADCAST
, 0);
353 rt2500usb_register_write(rt2x00dev
, TXRX_CSR2
, reg
);
356 static void rt2500usb_config_intf(struct rt2x00_dev
*rt2x00dev
,
357 struct rt2x00_intf
*intf
,
358 struct rt2x00intf_conf
*conf
,
359 const unsigned int flags
)
361 unsigned int bcn_preload
;
364 if (flags
& CONFIG_UPDATE_TYPE
) {
366 * Enable beacon config
368 bcn_preload
= PREAMBLE
+ GET_DURATION(IEEE80211_HEADER
, 20);
369 rt2500usb_register_read(rt2x00dev
, TXRX_CSR20
, ®
);
370 rt2x00_set_field16(®
, TXRX_CSR20_OFFSET
, bcn_preload
>> 6);
371 rt2x00_set_field16(®
, TXRX_CSR20_BCN_EXPECT_WINDOW
,
372 2 * (conf
->type
!= NL80211_IFTYPE_STATION
));
373 rt2500usb_register_write(rt2x00dev
, TXRX_CSR20
, reg
);
376 * Enable synchronisation.
378 rt2500usb_register_read(rt2x00dev
, TXRX_CSR18
, ®
);
379 rt2x00_set_field16(®
, TXRX_CSR18_OFFSET
, 0);
380 rt2500usb_register_write(rt2x00dev
, TXRX_CSR18
, reg
);
382 rt2500usb_register_read(rt2x00dev
, TXRX_CSR19
, ®
);
383 rt2x00_set_field16(®
, TXRX_CSR19_TSF_COUNT
, 1);
384 rt2x00_set_field16(®
, TXRX_CSR19_TSF_SYNC
, conf
->sync
);
385 rt2x00_set_field16(®
, TXRX_CSR19_TBCN
, 1);
386 rt2500usb_register_write(rt2x00dev
, TXRX_CSR19
, reg
);
389 if (flags
& CONFIG_UPDATE_MAC
)
390 rt2500usb_register_multiwrite(rt2x00dev
, MAC_CSR2
, conf
->mac
,
391 (3 * sizeof(__le16
)));
393 if (flags
& CONFIG_UPDATE_BSSID
)
394 rt2500usb_register_multiwrite(rt2x00dev
, MAC_CSR5
, conf
->bssid
,
395 (3 * sizeof(__le16
)));
398 static void rt2500usb_config_erp(struct rt2x00_dev
*rt2x00dev
,
399 struct rt2x00lib_erp
*erp
)
403 rt2500usb_register_read(rt2x00dev
, TXRX_CSR1
, ®
);
404 rt2x00_set_field16(®
, TXRX_CSR1_ACK_TIMEOUT
, erp
->ack_timeout
);
405 rt2500usb_register_write(rt2x00dev
, TXRX_CSR1
, reg
);
407 rt2500usb_register_read(rt2x00dev
, TXRX_CSR10
, ®
);
408 rt2x00_set_field16(®
, TXRX_CSR10_AUTORESPOND_PREAMBLE
,
409 !!erp
->short_preamble
);
410 rt2500usb_register_write(rt2x00dev
, TXRX_CSR10
, reg
);
412 rt2500usb_register_write(rt2x00dev
, TXRX_CSR11
, erp
->basic_rates
);
414 rt2500usb_register_write(rt2x00dev
, MAC_CSR10
, erp
->slot_time
);
415 rt2500usb_register_write(rt2x00dev
, MAC_CSR11
, erp
->sifs
);
416 rt2500usb_register_write(rt2x00dev
, MAC_CSR12
, erp
->eifs
);
419 static void rt2500usb_config_ant(struct rt2x00_dev
*rt2x00dev
,
420 struct antenna_setup
*ant
)
428 * We should never come here because rt2x00lib is supposed
429 * to catch this and send us the correct antenna explicitely.
431 BUG_ON(ant
->rx
== ANTENNA_SW_DIVERSITY
||
432 ant
->tx
== ANTENNA_SW_DIVERSITY
);
434 rt2500usb_bbp_read(rt2x00dev
, 2, &r2
);
435 rt2500usb_bbp_read(rt2x00dev
, 14, &r14
);
436 rt2500usb_register_read(rt2x00dev
, PHY_CSR5
, &csr5
);
437 rt2500usb_register_read(rt2x00dev
, PHY_CSR6
, &csr6
);
440 * Configure the TX antenna.
443 case ANTENNA_HW_DIVERSITY
:
444 rt2x00_set_field8(&r2
, BBP_R2_TX_ANTENNA
, 1);
445 rt2x00_set_field16(&csr5
, PHY_CSR5_CCK
, 1);
446 rt2x00_set_field16(&csr6
, PHY_CSR6_OFDM
, 1);
449 rt2x00_set_field8(&r2
, BBP_R2_TX_ANTENNA
, 0);
450 rt2x00_set_field16(&csr5
, PHY_CSR5_CCK
, 0);
451 rt2x00_set_field16(&csr6
, PHY_CSR6_OFDM
, 0);
455 rt2x00_set_field8(&r2
, BBP_R2_TX_ANTENNA
, 2);
456 rt2x00_set_field16(&csr5
, PHY_CSR5_CCK
, 2);
457 rt2x00_set_field16(&csr6
, PHY_CSR6_OFDM
, 2);
462 * Configure the RX antenna.
465 case ANTENNA_HW_DIVERSITY
:
466 rt2x00_set_field8(&r14
, BBP_R14_RX_ANTENNA
, 1);
469 rt2x00_set_field8(&r14
, BBP_R14_RX_ANTENNA
, 0);
473 rt2x00_set_field8(&r14
, BBP_R14_RX_ANTENNA
, 2);
478 * RT2525E and RT5222 need to flip TX I/Q
480 if (rt2x00_rf(&rt2x00dev
->chip
, RF2525E
) ||
481 rt2x00_rf(&rt2x00dev
->chip
, RF5222
)) {
482 rt2x00_set_field8(&r2
, BBP_R2_TX_IQ_FLIP
, 1);
483 rt2x00_set_field16(&csr5
, PHY_CSR5_CCK_FLIP
, 1);
484 rt2x00_set_field16(&csr6
, PHY_CSR6_OFDM_FLIP
, 1);
487 * RT2525E does not need RX I/Q Flip.
489 if (rt2x00_rf(&rt2x00dev
->chip
, RF2525E
))
490 rt2x00_set_field8(&r14
, BBP_R14_RX_IQ_FLIP
, 0);
492 rt2x00_set_field16(&csr5
, PHY_CSR5_CCK_FLIP
, 0);
493 rt2x00_set_field16(&csr6
, PHY_CSR6_OFDM_FLIP
, 0);
496 rt2500usb_bbp_write(rt2x00dev
, 2, r2
);
497 rt2500usb_bbp_write(rt2x00dev
, 14, r14
);
498 rt2500usb_register_write(rt2x00dev
, PHY_CSR5
, csr5
);
499 rt2500usb_register_write(rt2x00dev
, PHY_CSR6
, csr6
);
502 static void rt2500usb_config_channel(struct rt2x00_dev
*rt2x00dev
,
503 struct rf_channel
*rf
, const int txpower
)
508 rt2x00_set_field32(&rf
->rf3
, RF3_TXPOWER
, TXPOWER_TO_DEV(txpower
));
511 * For RT2525E we should first set the channel to half band higher.
513 if (rt2x00_rf(&rt2x00dev
->chip
, RF2525E
)) {
514 static const u32 vals
[] = {
515 0x000008aa, 0x000008ae, 0x000008ae, 0x000008b2,
516 0x000008b2, 0x000008b6, 0x000008b6, 0x000008ba,
517 0x000008ba, 0x000008be, 0x000008b7, 0x00000902,
518 0x00000902, 0x00000906
521 rt2500usb_rf_write(rt2x00dev
, 2, vals
[rf
->channel
- 1]);
523 rt2500usb_rf_write(rt2x00dev
, 4, rf
->rf4
);
526 rt2500usb_rf_write(rt2x00dev
, 1, rf
->rf1
);
527 rt2500usb_rf_write(rt2x00dev
, 2, rf
->rf2
);
528 rt2500usb_rf_write(rt2x00dev
, 3, rf
->rf3
);
530 rt2500usb_rf_write(rt2x00dev
, 4, rf
->rf4
);
533 static void rt2500usb_config_txpower(struct rt2x00_dev
*rt2x00dev
,
538 rt2x00_rf_read(rt2x00dev
, 3, &rf3
);
539 rt2x00_set_field32(&rf3
, RF3_TXPOWER
, TXPOWER_TO_DEV(txpower
));
540 rt2500usb_rf_write(rt2x00dev
, 3, rf3
);
543 static void rt2500usb_config_duration(struct rt2x00_dev
*rt2x00dev
,
544 struct rt2x00lib_conf
*libconf
)
548 rt2500usb_register_read(rt2x00dev
, TXRX_CSR18
, ®
);
549 rt2x00_set_field16(®
, TXRX_CSR18_INTERVAL
,
550 libconf
->conf
->beacon_int
* 4);
551 rt2500usb_register_write(rt2x00dev
, TXRX_CSR18
, reg
);
554 static void rt2500usb_config(struct rt2x00_dev
*rt2x00dev
,
555 struct rt2x00lib_conf
*libconf
,
556 const unsigned int flags
)
558 if (flags
& IEEE80211_CONF_CHANGE_CHANNEL
)
559 rt2500usb_config_channel(rt2x00dev
, &libconf
->rf
,
560 libconf
->conf
->power_level
);
561 if ((flags
& IEEE80211_CONF_CHANGE_POWER
) &&
562 !(flags
& IEEE80211_CONF_CHANGE_CHANNEL
))
563 rt2500usb_config_txpower(rt2x00dev
,
564 libconf
->conf
->power_level
);
565 if (flags
& IEEE80211_CONF_CHANGE_BEACON_INTERVAL
)
566 rt2500usb_config_duration(rt2x00dev
, libconf
);
572 static void rt2500usb_link_stats(struct rt2x00_dev
*rt2x00dev
,
573 struct link_qual
*qual
)
578 * Update FCS error count from register.
580 rt2500usb_register_read(rt2x00dev
, STA_CSR0
, ®
);
581 qual
->rx_failed
= rt2x00_get_field16(reg
, STA_CSR0_FCS_ERROR
);
584 * Update False CCA count from register.
586 rt2500usb_register_read(rt2x00dev
, STA_CSR3
, ®
);
587 qual
->false_cca
= rt2x00_get_field16(reg
, STA_CSR3_FALSE_CCA_ERROR
);
590 static void rt2500usb_reset_tuner(struct rt2x00_dev
*rt2x00dev
)
595 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE_R24
, &eeprom
);
596 value
= rt2x00_get_field16(eeprom
, EEPROM_BBPTUNE_R24_LOW
);
597 rt2500usb_bbp_write(rt2x00dev
, 24, value
);
599 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE_R25
, &eeprom
);
600 value
= rt2x00_get_field16(eeprom
, EEPROM_BBPTUNE_R25_LOW
);
601 rt2500usb_bbp_write(rt2x00dev
, 25, value
);
603 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE_R61
, &eeprom
);
604 value
= rt2x00_get_field16(eeprom
, EEPROM_BBPTUNE_R61_LOW
);
605 rt2500usb_bbp_write(rt2x00dev
, 61, value
);
607 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE_VGC
, &eeprom
);
608 value
= rt2x00_get_field16(eeprom
, EEPROM_BBPTUNE_VGCUPPER
);
609 rt2500usb_bbp_write(rt2x00dev
, 17, value
);
611 rt2x00dev
->link
.vgc_level
= value
;
615 * NOTE: This function is directly ported from legacy driver, but
616 * despite it being declared it was never called. Although link tuning
617 * sounds like a good idea, and usually works well for the other drivers,
618 * it does _not_ work with rt2500usb. Enabling this function will result
619 * in TX capabilities only until association kicks in. Immediately
620 * after the successful association all TX frames will be kept in the
621 * hardware queue and never transmitted.
624 static void rt2500usb_link_tuner(struct rt2x00_dev
*rt2x00dev
)
626 int rssi
= rt2x00_get_link_rssi(&rt2x00dev
->link
);
639 * Read current r17 value, as well as the sensitivity values
640 * for the r17 register.
642 rt2500usb_bbp_read(rt2x00dev
, 17, &r17
);
643 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE_R17
, &r17_sens
);
645 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE_VGC
, &vgc_bound
);
646 up_bound
= rt2x00_get_field16(vgc_bound
, EEPROM_BBPTUNE_VGCUPPER
);
647 low_bound
= rt2x00_get_field16(vgc_bound
, EEPROM_BBPTUNE_VGCLOWER
);
650 * If we are not associated, we should go straight to the
651 * dynamic CCA tuning.
653 if (!rt2x00dev
->intf_associated
)
654 goto dynamic_cca_tune
;
657 * Determine the BBP tuning threshold and correctly
658 * set BBP 24, 25 and 61.
660 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE
, &bbp_thresh
);
661 bbp_thresh
= rt2x00_get_field16(bbp_thresh
, EEPROM_BBPTUNE_THRESHOLD
);
663 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE_R24
, &r24
);
664 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE_R25
, &r25
);
665 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE_R61
, &r61
);
667 if ((rssi
+ bbp_thresh
) > 0) {
668 r24
= rt2x00_get_field16(r24
, EEPROM_BBPTUNE_R24_HIGH
);
669 r25
= rt2x00_get_field16(r25
, EEPROM_BBPTUNE_R25_HIGH
);
670 r61
= rt2x00_get_field16(r61
, EEPROM_BBPTUNE_R61_HIGH
);
672 r24
= rt2x00_get_field16(r24
, EEPROM_BBPTUNE_R24_LOW
);
673 r25
= rt2x00_get_field16(r25
, EEPROM_BBPTUNE_R25_LOW
);
674 r61
= rt2x00_get_field16(r61
, EEPROM_BBPTUNE_R61_LOW
);
677 rt2500usb_bbp_write(rt2x00dev
, 24, r24
);
678 rt2500usb_bbp_write(rt2x00dev
, 25, r25
);
679 rt2500usb_bbp_write(rt2x00dev
, 61, r61
);
682 * A too low RSSI will cause too much false CCA which will
683 * then corrupt the R17 tuning. To remidy this the tuning should
684 * be stopped (While making sure the R17 value will not exceed limits)
688 rt2500usb_bbp_write(rt2x00dev
, 17, 0x60);
693 * Special big-R17 for short distance
696 sens
= rt2x00_get_field16(r17_sens
, EEPROM_BBPTUNE_R17_LOW
);
698 rt2500usb_bbp_write(rt2x00dev
, 17, sens
);
703 * Special mid-R17 for middle distance
706 sens
= rt2x00_get_field16(r17_sens
, EEPROM_BBPTUNE_R17_HIGH
);
708 rt2500usb_bbp_write(rt2x00dev
, 17, sens
);
713 * Leave short or middle distance condition, restore r17
714 * to the dynamic tuning range.
718 up_bound
-= (-77 - rssi
);
720 if (up_bound
< low_bound
)
721 up_bound
= low_bound
;
723 if (r17
> up_bound
) {
724 rt2500usb_bbp_write(rt2x00dev
, 17, up_bound
);
725 rt2x00dev
->link
.vgc_level
= up_bound
;
732 * R17 is inside the dynamic tuning range,
733 * start tuning the link based on the false cca counter.
735 if (rt2x00dev
->link
.qual
.false_cca
> 512 && r17
< up_bound
) {
736 rt2500usb_bbp_write(rt2x00dev
, 17, ++r17
);
737 rt2x00dev
->link
.vgc_level
= r17
;
738 } else if (rt2x00dev
->link
.qual
.false_cca
< 100 && r17
> low_bound
) {
739 rt2500usb_bbp_write(rt2x00dev
, 17, --r17
);
740 rt2x00dev
->link
.vgc_level
= r17
;
744 #define rt2500usb_link_tuner NULL
748 * Initialization functions.
750 static int rt2500usb_init_registers(struct rt2x00_dev
*rt2x00dev
)
754 rt2x00usb_vendor_request_sw(rt2x00dev
, USB_DEVICE_MODE
, 0x0001,
755 USB_MODE_TEST
, REGISTER_TIMEOUT
);
756 rt2x00usb_vendor_request_sw(rt2x00dev
, USB_SINGLE_WRITE
, 0x0308,
757 0x00f0, REGISTER_TIMEOUT
);
759 rt2500usb_register_read(rt2x00dev
, TXRX_CSR2
, ®
);
760 rt2x00_set_field16(®
, TXRX_CSR2_DISABLE_RX
, 1);
761 rt2500usb_register_write(rt2x00dev
, TXRX_CSR2
, reg
);
763 rt2500usb_register_write(rt2x00dev
, MAC_CSR13
, 0x1111);
764 rt2500usb_register_write(rt2x00dev
, MAC_CSR14
, 0x1e11);
766 rt2500usb_register_read(rt2x00dev
, MAC_CSR1
, ®
);
767 rt2x00_set_field16(®
, MAC_CSR1_SOFT_RESET
, 1);
768 rt2x00_set_field16(®
, MAC_CSR1_BBP_RESET
, 1);
769 rt2x00_set_field16(®
, MAC_CSR1_HOST_READY
, 0);
770 rt2500usb_register_write(rt2x00dev
, MAC_CSR1
, reg
);
772 rt2500usb_register_read(rt2x00dev
, MAC_CSR1
, ®
);
773 rt2x00_set_field16(®
, MAC_CSR1_SOFT_RESET
, 0);
774 rt2x00_set_field16(®
, MAC_CSR1_BBP_RESET
, 0);
775 rt2x00_set_field16(®
, MAC_CSR1_HOST_READY
, 0);
776 rt2500usb_register_write(rt2x00dev
, MAC_CSR1
, reg
);
778 rt2500usb_register_read(rt2x00dev
, TXRX_CSR5
, ®
);
779 rt2x00_set_field16(®
, TXRX_CSR5_BBP_ID0
, 13);
780 rt2x00_set_field16(®
, TXRX_CSR5_BBP_ID0_VALID
, 1);
781 rt2x00_set_field16(®
, TXRX_CSR5_BBP_ID1
, 12);
782 rt2x00_set_field16(®
, TXRX_CSR5_BBP_ID1_VALID
, 1);
783 rt2500usb_register_write(rt2x00dev
, TXRX_CSR5
, reg
);
785 rt2500usb_register_read(rt2x00dev
, TXRX_CSR6
, ®
);
786 rt2x00_set_field16(®
, TXRX_CSR6_BBP_ID0
, 10);
787 rt2x00_set_field16(®
, TXRX_CSR6_BBP_ID0_VALID
, 1);
788 rt2x00_set_field16(®
, TXRX_CSR6_BBP_ID1
, 11);
789 rt2x00_set_field16(®
, TXRX_CSR6_BBP_ID1_VALID
, 1);
790 rt2500usb_register_write(rt2x00dev
, TXRX_CSR6
, reg
);
792 rt2500usb_register_read(rt2x00dev
, TXRX_CSR7
, ®
);
793 rt2x00_set_field16(®
, TXRX_CSR7_BBP_ID0
, 7);
794 rt2x00_set_field16(®
, TXRX_CSR7_BBP_ID0_VALID
, 1);
795 rt2x00_set_field16(®
, TXRX_CSR7_BBP_ID1
, 6);
796 rt2x00_set_field16(®
, TXRX_CSR7_BBP_ID1_VALID
, 1);
797 rt2500usb_register_write(rt2x00dev
, TXRX_CSR7
, reg
);
799 rt2500usb_register_read(rt2x00dev
, TXRX_CSR8
, ®
);
800 rt2x00_set_field16(®
, TXRX_CSR8_BBP_ID0
, 5);
801 rt2x00_set_field16(®
, TXRX_CSR8_BBP_ID0_VALID
, 1);
802 rt2x00_set_field16(®
, TXRX_CSR8_BBP_ID1
, 0);
803 rt2x00_set_field16(®
, TXRX_CSR8_BBP_ID1_VALID
, 0);
804 rt2500usb_register_write(rt2x00dev
, TXRX_CSR8
, reg
);
806 rt2500usb_register_read(rt2x00dev
, TXRX_CSR19
, ®
);
807 rt2x00_set_field16(®
, TXRX_CSR19_TSF_COUNT
, 0);
808 rt2x00_set_field16(®
, TXRX_CSR19_TSF_SYNC
, 0);
809 rt2x00_set_field16(®
, TXRX_CSR19_TBCN
, 0);
810 rt2x00_set_field16(®
, TXRX_CSR19_BEACON_GEN
, 0);
811 rt2500usb_register_write(rt2x00dev
, TXRX_CSR19
, reg
);
813 rt2500usb_register_write(rt2x00dev
, TXRX_CSR21
, 0xe78f);
814 rt2500usb_register_write(rt2x00dev
, MAC_CSR9
, 0xff1d);
816 if (rt2x00dev
->ops
->lib
->set_device_state(rt2x00dev
, STATE_AWAKE
))
819 rt2500usb_register_read(rt2x00dev
, MAC_CSR1
, ®
);
820 rt2x00_set_field16(®
, MAC_CSR1_SOFT_RESET
, 0);
821 rt2x00_set_field16(®
, MAC_CSR1_BBP_RESET
, 0);
822 rt2x00_set_field16(®
, MAC_CSR1_HOST_READY
, 1);
823 rt2500usb_register_write(rt2x00dev
, MAC_CSR1
, reg
);
825 if (rt2x00_rev(&rt2x00dev
->chip
) >= RT2570_VERSION_C
) {
826 rt2500usb_register_read(rt2x00dev
, PHY_CSR2
, ®
);
827 rt2x00_set_field16(®
, PHY_CSR2_LNA
, 0);
830 rt2x00_set_field16(®
, PHY_CSR2_LNA
, 1);
831 rt2x00_set_field16(®
, PHY_CSR2_LNA_MODE
, 3);
833 rt2500usb_register_write(rt2x00dev
, PHY_CSR2
, reg
);
835 rt2500usb_register_write(rt2x00dev
, MAC_CSR11
, 0x0002);
836 rt2500usb_register_write(rt2x00dev
, MAC_CSR22
, 0x0053);
837 rt2500usb_register_write(rt2x00dev
, MAC_CSR15
, 0x01ee);
838 rt2500usb_register_write(rt2x00dev
, MAC_CSR16
, 0x0000);
840 rt2500usb_register_read(rt2x00dev
, MAC_CSR8
, ®
);
841 rt2x00_set_field16(®
, MAC_CSR8_MAX_FRAME_UNIT
,
842 rt2x00dev
->rx
->data_size
);
843 rt2500usb_register_write(rt2x00dev
, MAC_CSR8
, reg
);
845 rt2500usb_register_read(rt2x00dev
, TXRX_CSR0
, ®
);
846 rt2x00_set_field16(®
, TXRX_CSR0_IV_OFFSET
, IEEE80211_HEADER
);
847 rt2x00_set_field16(®
, TXRX_CSR0_KEY_ID
, 0xff);
848 rt2500usb_register_write(rt2x00dev
, TXRX_CSR0
, reg
);
850 rt2500usb_register_read(rt2x00dev
, MAC_CSR18
, ®
);
851 rt2x00_set_field16(®
, MAC_CSR18_DELAY_AFTER_BEACON
, 90);
852 rt2500usb_register_write(rt2x00dev
, MAC_CSR18
, reg
);
854 rt2500usb_register_read(rt2x00dev
, PHY_CSR4
, ®
);
855 rt2x00_set_field16(®
, PHY_CSR4_LOW_RF_LE
, 1);
856 rt2500usb_register_write(rt2x00dev
, PHY_CSR4
, reg
);
858 rt2500usb_register_read(rt2x00dev
, TXRX_CSR1
, ®
);
859 rt2x00_set_field16(®
, TXRX_CSR1_AUTO_SEQUENCE
, 1);
860 rt2500usb_register_write(rt2x00dev
, TXRX_CSR1
, reg
);
865 static int rt2500usb_wait_bbp_ready(struct rt2x00_dev
*rt2x00dev
)
870 for (i
= 0; i
< REGISTER_BUSY_COUNT
; i
++) {
871 rt2500usb_bbp_read(rt2x00dev
, 0, &value
);
872 if ((value
!= 0xff) && (value
!= 0x00))
874 udelay(REGISTER_BUSY_DELAY
);
877 ERROR(rt2x00dev
, "BBP register access failed, aborting.\n");
881 static int rt2500usb_init_bbp(struct rt2x00_dev
*rt2x00dev
)
888 if (unlikely(rt2500usb_wait_bbp_ready(rt2x00dev
)))
891 rt2500usb_bbp_write(rt2x00dev
, 3, 0x02);
892 rt2500usb_bbp_write(rt2x00dev
, 4, 0x19);
893 rt2500usb_bbp_write(rt2x00dev
, 14, 0x1c);
894 rt2500usb_bbp_write(rt2x00dev
, 15, 0x30);
895 rt2500usb_bbp_write(rt2x00dev
, 16, 0xac);
896 rt2500usb_bbp_write(rt2x00dev
, 18, 0x18);
897 rt2500usb_bbp_write(rt2x00dev
, 19, 0xff);
898 rt2500usb_bbp_write(rt2x00dev
, 20, 0x1e);
899 rt2500usb_bbp_write(rt2x00dev
, 21, 0x08);
900 rt2500usb_bbp_write(rt2x00dev
, 22, 0x08);
901 rt2500usb_bbp_write(rt2x00dev
, 23, 0x08);
902 rt2500usb_bbp_write(rt2x00dev
, 24, 0x80);
903 rt2500usb_bbp_write(rt2x00dev
, 25, 0x50);
904 rt2500usb_bbp_write(rt2x00dev
, 26, 0x08);
905 rt2500usb_bbp_write(rt2x00dev
, 27, 0x23);
906 rt2500usb_bbp_write(rt2x00dev
, 30, 0x10);
907 rt2500usb_bbp_write(rt2x00dev
, 31, 0x2b);
908 rt2500usb_bbp_write(rt2x00dev
, 32, 0xb9);
909 rt2500usb_bbp_write(rt2x00dev
, 34, 0x12);
910 rt2500usb_bbp_write(rt2x00dev
, 35, 0x50);
911 rt2500usb_bbp_write(rt2x00dev
, 39, 0xc4);
912 rt2500usb_bbp_write(rt2x00dev
, 40, 0x02);
913 rt2500usb_bbp_write(rt2x00dev
, 41, 0x60);
914 rt2500usb_bbp_write(rt2x00dev
, 53, 0x10);
915 rt2500usb_bbp_write(rt2x00dev
, 54, 0x18);
916 rt2500usb_bbp_write(rt2x00dev
, 56, 0x08);
917 rt2500usb_bbp_write(rt2x00dev
, 57, 0x10);
918 rt2500usb_bbp_write(rt2x00dev
, 58, 0x08);
919 rt2500usb_bbp_write(rt2x00dev
, 61, 0x60);
920 rt2500usb_bbp_write(rt2x00dev
, 62, 0x10);
921 rt2500usb_bbp_write(rt2x00dev
, 75, 0xff);
923 for (i
= 0; i
< EEPROM_BBP_SIZE
; i
++) {
924 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBP_START
+ i
, &eeprom
);
926 if (eeprom
!= 0xffff && eeprom
!= 0x0000) {
927 reg_id
= rt2x00_get_field16(eeprom
, EEPROM_BBP_REG_ID
);
928 value
= rt2x00_get_field16(eeprom
, EEPROM_BBP_VALUE
);
929 rt2500usb_bbp_write(rt2x00dev
, reg_id
, value
);
937 * Device state switch handlers.
939 static void rt2500usb_toggle_rx(struct rt2x00_dev
*rt2x00dev
,
940 enum dev_state state
)
944 rt2500usb_register_read(rt2x00dev
, TXRX_CSR2
, ®
);
945 rt2x00_set_field16(®
, TXRX_CSR2_DISABLE_RX
,
946 (state
== STATE_RADIO_RX_OFF
) ||
947 (state
== STATE_RADIO_RX_OFF_LINK
));
948 rt2500usb_register_write(rt2x00dev
, TXRX_CSR2
, reg
);
951 static int rt2500usb_enable_radio(struct rt2x00_dev
*rt2x00dev
)
954 * Initialize all registers.
956 if (unlikely(rt2500usb_init_registers(rt2x00dev
) ||
957 rt2500usb_init_bbp(rt2x00dev
)))
963 static void rt2500usb_disable_radio(struct rt2x00_dev
*rt2x00dev
)
965 rt2500usb_register_write(rt2x00dev
, MAC_CSR13
, 0x2121);
966 rt2500usb_register_write(rt2x00dev
, MAC_CSR14
, 0x2121);
969 * Disable synchronisation.
971 rt2500usb_register_write(rt2x00dev
, TXRX_CSR19
, 0);
973 rt2x00usb_disable_radio(rt2x00dev
);
976 static int rt2500usb_set_state(struct rt2x00_dev
*rt2x00dev
,
977 enum dev_state state
)
986 put_to_sleep
= (state
!= STATE_AWAKE
);
989 rt2x00_set_field16(®
, MAC_CSR17_BBP_DESIRE_STATE
, state
);
990 rt2x00_set_field16(®
, MAC_CSR17_RF_DESIRE_STATE
, state
);
991 rt2x00_set_field16(®
, MAC_CSR17_PUT_TO_SLEEP
, put_to_sleep
);
992 rt2500usb_register_write(rt2x00dev
, MAC_CSR17
, reg
);
993 rt2x00_set_field16(®
, MAC_CSR17_SET_STATE
, 1);
994 rt2500usb_register_write(rt2x00dev
, MAC_CSR17
, reg
);
997 * Device is not guaranteed to be in the requested state yet.
998 * We must wait until the register indicates that the
999 * device has entered the correct state.
1001 for (i
= 0; i
< REGISTER_BUSY_COUNT
; i
++) {
1002 rt2500usb_register_read(rt2x00dev
, MAC_CSR17
, ®2
);
1003 bbp_state
= rt2x00_get_field16(reg2
, MAC_CSR17_BBP_CURR_STATE
);
1004 rf_state
= rt2x00_get_field16(reg2
, MAC_CSR17_RF_CURR_STATE
);
1005 if (bbp_state
== state
&& rf_state
== state
)
1007 rt2500usb_register_write(rt2x00dev
, MAC_CSR17
, reg
);
1014 static int rt2500usb_set_device_state(struct rt2x00_dev
*rt2x00dev
,
1015 enum dev_state state
)
1020 case STATE_RADIO_ON
:
1021 retval
= rt2500usb_enable_radio(rt2x00dev
);
1023 case STATE_RADIO_OFF
:
1024 rt2500usb_disable_radio(rt2x00dev
);
1026 case STATE_RADIO_RX_ON
:
1027 case STATE_RADIO_RX_ON_LINK
:
1028 case STATE_RADIO_RX_OFF
:
1029 case STATE_RADIO_RX_OFF_LINK
:
1030 rt2500usb_toggle_rx(rt2x00dev
, state
);
1032 case STATE_RADIO_IRQ_ON
:
1033 case STATE_RADIO_IRQ_OFF
:
1034 /* No support, but no error either */
1036 case STATE_DEEP_SLEEP
:
1040 retval
= rt2500usb_set_state(rt2x00dev
, state
);
1047 if (unlikely(retval
))
1048 ERROR(rt2x00dev
, "Device failed to enter state %d (%d).\n",
1055 * TX descriptor initialization
1057 static void rt2500usb_write_tx_desc(struct rt2x00_dev
*rt2x00dev
,
1058 struct sk_buff
*skb
,
1059 struct txentry_desc
*txdesc
)
1061 struct skb_frame_desc
*skbdesc
= get_skb_frame_desc(skb
);
1062 __le32
*txd
= skbdesc
->desc
;
1066 * Start writing the descriptor words.
1068 rt2x00_desc_read(txd
, 1, &word
);
1069 rt2x00_set_field32(&word
, TXD_W1_IV_OFFSET
, IEEE80211_HEADER
);
1070 rt2x00_set_field32(&word
, TXD_W1_AIFS
, txdesc
->aifs
);
1071 rt2x00_set_field32(&word
, TXD_W1_CWMIN
, txdesc
->cw_min
);
1072 rt2x00_set_field32(&word
, TXD_W1_CWMAX
, txdesc
->cw_max
);
1073 rt2x00_desc_write(txd
, 1, word
);
1075 rt2x00_desc_read(txd
, 2, &word
);
1076 rt2x00_set_field32(&word
, TXD_W2_PLCP_SIGNAL
, txdesc
->signal
);
1077 rt2x00_set_field32(&word
, TXD_W2_PLCP_SERVICE
, txdesc
->service
);
1078 rt2x00_set_field32(&word
, TXD_W2_PLCP_LENGTH_LOW
, txdesc
->length_low
);
1079 rt2x00_set_field32(&word
, TXD_W2_PLCP_LENGTH_HIGH
, txdesc
->length_high
);
1080 rt2x00_desc_write(txd
, 2, word
);
1082 rt2x00_desc_read(txd
, 0, &word
);
1083 rt2x00_set_field32(&word
, TXD_W0_RETRY_LIMIT
, txdesc
->retry_limit
);
1084 rt2x00_set_field32(&word
, TXD_W0_MORE_FRAG
,
1085 test_bit(ENTRY_TXD_MORE_FRAG
, &txdesc
->flags
));
1086 rt2x00_set_field32(&word
, TXD_W0_ACK
,
1087 test_bit(ENTRY_TXD_ACK
, &txdesc
->flags
));
1088 rt2x00_set_field32(&word
, TXD_W0_TIMESTAMP
,
1089 test_bit(ENTRY_TXD_REQ_TIMESTAMP
, &txdesc
->flags
));
1090 rt2x00_set_field32(&word
, TXD_W0_OFDM
,
1091 test_bit(ENTRY_TXD_OFDM_RATE
, &txdesc
->flags
));
1092 rt2x00_set_field32(&word
, TXD_W0_NEW_SEQ
,
1093 test_bit(ENTRY_TXD_FIRST_FRAGMENT
, &txdesc
->flags
));
1094 rt2x00_set_field32(&word
, TXD_W0_IFS
, txdesc
->ifs
);
1095 rt2x00_set_field32(&word
, TXD_W0_DATABYTE_COUNT
, skb
->len
);
1096 rt2x00_set_field32(&word
, TXD_W0_CIPHER
, CIPHER_NONE
);
1097 rt2x00_desc_write(txd
, 0, word
);
1101 * TX data initialization
1103 static void rt2500usb_beacondone(struct urb
*urb
);
1105 static void rt2500usb_write_beacon(struct queue_entry
*entry
)
1107 struct rt2x00_dev
*rt2x00dev
= entry
->queue
->rt2x00dev
;
1108 struct usb_device
*usb_dev
= to_usb_device_intf(rt2x00dev
->dev
);
1109 struct queue_entry_priv_usb_bcn
*bcn_priv
= entry
->priv_data
;
1110 struct skb_frame_desc
*skbdesc
= get_skb_frame_desc(entry
->skb
);
1111 int pipe
= usb_sndbulkpipe(usb_dev
, entry
->queue
->usb_endpoint
);
1116 * Add the descriptor in front of the skb.
1118 skb_push(entry
->skb
, entry
->queue
->desc_size
);
1119 memcpy(entry
->skb
->data
, skbdesc
->desc
, skbdesc
->desc_len
);
1120 skbdesc
->desc
= entry
->skb
->data
;
1123 * Disable beaconing while we are reloading the beacon data,
1124 * otherwise we might be sending out invalid data.
1126 rt2500usb_register_read(rt2x00dev
, TXRX_CSR19
, ®
);
1127 rt2x00_set_field16(®
, TXRX_CSR19_TSF_COUNT
, 0);
1128 rt2x00_set_field16(®
, TXRX_CSR19_TBCN
, 0);
1129 rt2x00_set_field16(®
, TXRX_CSR19_BEACON_GEN
, 0);
1130 rt2500usb_register_write(rt2x00dev
, TXRX_CSR19
, reg
);
1133 * USB devices cannot blindly pass the skb->len as the
1134 * length of the data to usb_fill_bulk_urb. Pass the skb
1135 * to the driver to determine what the length should be.
1137 length
= rt2x00dev
->ops
->lib
->get_tx_data_len(entry
);
1139 usb_fill_bulk_urb(bcn_priv
->urb
, usb_dev
, pipe
,
1140 entry
->skb
->data
, length
, rt2500usb_beacondone
,
1144 * Second we need to create the guardian byte.
1145 * We only need a single byte, so lets recycle
1146 * the 'flags' field we are not using for beacons.
1148 bcn_priv
->guardian_data
= 0;
1149 usb_fill_bulk_urb(bcn_priv
->guardian_urb
, usb_dev
, pipe
,
1150 &bcn_priv
->guardian_data
, 1, rt2500usb_beacondone
,
1154 * Send out the guardian byte.
1156 usb_submit_urb(bcn_priv
->guardian_urb
, GFP_ATOMIC
);
1159 static int rt2500usb_get_tx_data_len(struct queue_entry
*entry
)
1164 * The length _must_ be a multiple of 2,
1165 * but it must _not_ be a multiple of the USB packet size.
1167 length
= roundup(entry
->skb
->len
, 2);
1168 length
+= (2 * !(length
% entry
->queue
->usb_maxpacket
));
1173 static void rt2500usb_kick_tx_queue(struct rt2x00_dev
*rt2x00dev
,
1174 const enum data_queue_qid queue
)
1178 if (queue
!= QID_BEACON
) {
1179 rt2x00usb_kick_tx_queue(rt2x00dev
, queue
);
1183 rt2500usb_register_read(rt2x00dev
, TXRX_CSR19
, ®
);
1184 if (!rt2x00_get_field16(reg
, TXRX_CSR19_BEACON_GEN
)) {
1185 rt2x00_set_field16(®
, TXRX_CSR19_TSF_COUNT
, 1);
1186 rt2x00_set_field16(®
, TXRX_CSR19_TBCN
, 1);
1187 rt2x00_set_field16(®
, TXRX_CSR19_BEACON_GEN
, 1);
1189 * Beacon generation will fail initially.
1190 * To prevent this we need to register the TXRX_CSR19
1191 * register several times.
1193 rt2500usb_register_write(rt2x00dev
, TXRX_CSR19
, reg
);
1194 rt2500usb_register_write(rt2x00dev
, TXRX_CSR19
, 0);
1195 rt2500usb_register_write(rt2x00dev
, TXRX_CSR19
, reg
);
1196 rt2500usb_register_write(rt2x00dev
, TXRX_CSR19
, 0);
1197 rt2500usb_register_write(rt2x00dev
, TXRX_CSR19
, reg
);
1202 * RX control handlers
1204 static void rt2500usb_fill_rxdone(struct queue_entry
*entry
,
1205 struct rxdone_entry_desc
*rxdesc
)
1207 struct queue_entry_priv_usb
*entry_priv
= entry
->priv_data
;
1208 struct skb_frame_desc
*skbdesc
= get_skb_frame_desc(entry
->skb
);
1210 (__le32
*)(entry
->skb
->data
+
1211 (entry_priv
->urb
->actual_length
-
1212 entry
->queue
->desc_size
));
1217 * Copy descriptor to the skbdesc->desc buffer, making it safe from moving of
1218 * frame data in rt2x00usb.
1220 memcpy(skbdesc
->desc
, rxd
, skbdesc
->desc_len
);
1221 rxd
= (__le32
*)skbdesc
->desc
;
1224 * It is now safe to read the descriptor on all architectures.
1226 rt2x00_desc_read(rxd
, 0, &word0
);
1227 rt2x00_desc_read(rxd
, 1, &word1
);
1229 if (rt2x00_get_field32(word0
, RXD_W0_CRC_ERROR
))
1230 rxdesc
->flags
|= RX_FLAG_FAILED_FCS_CRC
;
1231 if (rt2x00_get_field32(word0
, RXD_W0_PHYSICAL_ERROR
))
1232 rxdesc
->flags
|= RX_FLAG_FAILED_PLCP_CRC
;
1235 * Obtain the status about this packet.
1236 * When frame was received with an OFDM bitrate,
1237 * the signal is the PLCP value. If it was received with
1238 * a CCK bitrate the signal is the rate in 100kbit/s.
1240 rxdesc
->signal
= rt2x00_get_field32(word1
, RXD_W1_SIGNAL
);
1241 rxdesc
->rssi
= rt2x00_get_field32(word1
, RXD_W1_RSSI
) -
1242 entry
->queue
->rt2x00dev
->rssi_offset
;
1243 rxdesc
->size
= rt2x00_get_field32(word0
, RXD_W0_DATABYTE_COUNT
);
1245 if (rt2x00_get_field32(word0
, RXD_W0_OFDM
))
1246 rxdesc
->dev_flags
|= RXDONE_SIGNAL_PLCP
;
1248 rxdesc
->dev_flags
|= RXDONE_SIGNAL_BITRATE
;
1249 if (rt2x00_get_field32(word0
, RXD_W0_MY_BSS
))
1250 rxdesc
->dev_flags
|= RXDONE_MY_BSS
;
1253 * Adjust the skb memory window to the frame boundaries.
1255 skb_trim(entry
->skb
, rxdesc
->size
);
1259 * Interrupt functions.
1261 static void rt2500usb_beacondone(struct urb
*urb
)
1263 struct queue_entry
*entry
= (struct queue_entry
*)urb
->context
;
1264 struct queue_entry_priv_usb_bcn
*bcn_priv
= entry
->priv_data
;
1266 if (!test_bit(DEVICE_STATE_ENABLED_RADIO
, &entry
->queue
->rt2x00dev
->flags
))
1270 * Check if this was the guardian beacon,
1271 * if that was the case we need to send the real beacon now.
1272 * Otherwise we should free the sk_buffer, the device
1273 * should be doing the rest of the work now.
1275 if (bcn_priv
->guardian_urb
== urb
) {
1276 usb_submit_urb(bcn_priv
->urb
, GFP_ATOMIC
);
1277 } else if (bcn_priv
->urb
== urb
) {
1278 dev_kfree_skb(entry
->skb
);
1284 * Device probe functions.
1286 static int rt2500usb_validate_eeprom(struct rt2x00_dev
*rt2x00dev
)
1292 rt2x00usb_eeprom_read(rt2x00dev
, rt2x00dev
->eeprom
, EEPROM_SIZE
);
1295 * Start validation of the data that has been read.
1297 mac
= rt2x00_eeprom_addr(rt2x00dev
, EEPROM_MAC_ADDR_0
);
1298 if (!is_valid_ether_addr(mac
)) {
1299 random_ether_addr(mac
);
1300 EEPROM(rt2x00dev
, "MAC: %pM\n", mac
);
1303 rt2x00_eeprom_read(rt2x00dev
, EEPROM_ANTENNA
, &word
);
1304 if (word
== 0xffff) {
1305 rt2x00_set_field16(&word
, EEPROM_ANTENNA_NUM
, 2);
1306 rt2x00_set_field16(&word
, EEPROM_ANTENNA_TX_DEFAULT
,
1307 ANTENNA_SW_DIVERSITY
);
1308 rt2x00_set_field16(&word
, EEPROM_ANTENNA_RX_DEFAULT
,
1309 ANTENNA_SW_DIVERSITY
);
1310 rt2x00_set_field16(&word
, EEPROM_ANTENNA_LED_MODE
,
1312 rt2x00_set_field16(&word
, EEPROM_ANTENNA_DYN_TXAGC
, 0);
1313 rt2x00_set_field16(&word
, EEPROM_ANTENNA_HARDWARE_RADIO
, 0);
1314 rt2x00_set_field16(&word
, EEPROM_ANTENNA_RF_TYPE
, RF2522
);
1315 rt2x00_eeprom_write(rt2x00dev
, EEPROM_ANTENNA
, word
);
1316 EEPROM(rt2x00dev
, "Antenna: 0x%04x\n", word
);
1319 rt2x00_eeprom_read(rt2x00dev
, EEPROM_NIC
, &word
);
1320 if (word
== 0xffff) {
1321 rt2x00_set_field16(&word
, EEPROM_NIC_CARDBUS_ACCEL
, 0);
1322 rt2x00_set_field16(&word
, EEPROM_NIC_DYN_BBP_TUNE
, 0);
1323 rt2x00_set_field16(&word
, EEPROM_NIC_CCK_TX_POWER
, 0);
1324 rt2x00_eeprom_write(rt2x00dev
, EEPROM_NIC
, word
);
1325 EEPROM(rt2x00dev
, "NIC: 0x%04x\n", word
);
1328 rt2x00_eeprom_read(rt2x00dev
, EEPROM_CALIBRATE_OFFSET
, &word
);
1329 if (word
== 0xffff) {
1330 rt2x00_set_field16(&word
, EEPROM_CALIBRATE_OFFSET_RSSI
,
1331 DEFAULT_RSSI_OFFSET
);
1332 rt2x00_eeprom_write(rt2x00dev
, EEPROM_CALIBRATE_OFFSET
, word
);
1333 EEPROM(rt2x00dev
, "Calibrate offset: 0x%04x\n", word
);
1336 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE
, &word
);
1337 if (word
== 0xffff) {
1338 rt2x00_set_field16(&word
, EEPROM_BBPTUNE_THRESHOLD
, 45);
1339 rt2x00_eeprom_write(rt2x00dev
, EEPROM_BBPTUNE
, word
);
1340 EEPROM(rt2x00dev
, "BBPtune: 0x%04x\n", word
);
1344 * Switch lower vgc bound to current BBP R17 value,
1345 * lower the value a bit for better quality.
1347 rt2500usb_bbp_read(rt2x00dev
, 17, &bbp
);
1350 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE_VGC
, &word
);
1351 if (word
== 0xffff) {
1352 rt2x00_set_field16(&word
, EEPROM_BBPTUNE_VGCUPPER
, 0x40);
1353 rt2x00_set_field16(&word
, EEPROM_BBPTUNE_VGCLOWER
, bbp
);
1354 rt2x00_eeprom_write(rt2x00dev
, EEPROM_BBPTUNE_VGC
, word
);
1355 EEPROM(rt2x00dev
, "BBPtune vgc: 0x%04x\n", word
);
1357 rt2x00_set_field16(&word
, EEPROM_BBPTUNE_VGCLOWER
, bbp
);
1358 rt2x00_eeprom_write(rt2x00dev
, EEPROM_BBPTUNE_VGC
, word
);
1361 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE_R17
, &word
);
1362 if (word
== 0xffff) {
1363 rt2x00_set_field16(&word
, EEPROM_BBPTUNE_R17_LOW
, 0x48);
1364 rt2x00_set_field16(&word
, EEPROM_BBPTUNE_R17_HIGH
, 0x41);
1365 rt2x00_eeprom_write(rt2x00dev
, EEPROM_BBPTUNE_R17
, word
);
1366 EEPROM(rt2x00dev
, "BBPtune r17: 0x%04x\n", word
);
1369 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE_R24
, &word
);
1370 if (word
== 0xffff) {
1371 rt2x00_set_field16(&word
, EEPROM_BBPTUNE_R24_LOW
, 0x40);
1372 rt2x00_set_field16(&word
, EEPROM_BBPTUNE_R24_HIGH
, 0x80);
1373 rt2x00_eeprom_write(rt2x00dev
, EEPROM_BBPTUNE_R24
, word
);
1374 EEPROM(rt2x00dev
, "BBPtune r24: 0x%04x\n", word
);
1377 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE_R25
, &word
);
1378 if (word
== 0xffff) {
1379 rt2x00_set_field16(&word
, EEPROM_BBPTUNE_R25_LOW
, 0x40);
1380 rt2x00_set_field16(&word
, EEPROM_BBPTUNE_R25_HIGH
, 0x50);
1381 rt2x00_eeprom_write(rt2x00dev
, EEPROM_BBPTUNE_R25
, word
);
1382 EEPROM(rt2x00dev
, "BBPtune r25: 0x%04x\n", word
);
1385 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE_R61
, &word
);
1386 if (word
== 0xffff) {
1387 rt2x00_set_field16(&word
, EEPROM_BBPTUNE_R61_LOW
, 0x60);
1388 rt2x00_set_field16(&word
, EEPROM_BBPTUNE_R61_HIGH
, 0x6d);
1389 rt2x00_eeprom_write(rt2x00dev
, EEPROM_BBPTUNE_R61
, word
);
1390 EEPROM(rt2x00dev
, "BBPtune r61: 0x%04x\n", word
);
1396 static int rt2500usb_init_eeprom(struct rt2x00_dev
*rt2x00dev
)
1403 * Read EEPROM word for configuration.
1405 rt2x00_eeprom_read(rt2x00dev
, EEPROM_ANTENNA
, &eeprom
);
1408 * Identify RF chipset.
1410 value
= rt2x00_get_field16(eeprom
, EEPROM_ANTENNA_RF_TYPE
);
1411 rt2500usb_register_read(rt2x00dev
, MAC_CSR0
, ®
);
1412 rt2x00_set_chip(rt2x00dev
, RT2570
, value
, reg
);
1414 if (!rt2x00_check_rev(&rt2x00dev
->chip
, 0)) {
1415 ERROR(rt2x00dev
, "Invalid RT chipset detected.\n");
1419 if (!rt2x00_rf(&rt2x00dev
->chip
, RF2522
) &&
1420 !rt2x00_rf(&rt2x00dev
->chip
, RF2523
) &&
1421 !rt2x00_rf(&rt2x00dev
->chip
, RF2524
) &&
1422 !rt2x00_rf(&rt2x00dev
->chip
, RF2525
) &&
1423 !rt2x00_rf(&rt2x00dev
->chip
, RF2525E
) &&
1424 !rt2x00_rf(&rt2x00dev
->chip
, RF5222
)) {
1425 ERROR(rt2x00dev
, "Invalid RF chipset detected.\n");
1430 * Identify default antenna configuration.
1432 rt2x00dev
->default_ant
.tx
=
1433 rt2x00_get_field16(eeprom
, EEPROM_ANTENNA_TX_DEFAULT
);
1434 rt2x00dev
->default_ant
.rx
=
1435 rt2x00_get_field16(eeprom
, EEPROM_ANTENNA_RX_DEFAULT
);
1438 * When the eeprom indicates SW_DIVERSITY use HW_DIVERSITY instead.
1439 * I am not 100% sure about this, but the legacy drivers do not
1440 * indicate antenna swapping in software is required when
1441 * diversity is enabled.
1443 if (rt2x00dev
->default_ant
.tx
== ANTENNA_SW_DIVERSITY
)
1444 rt2x00dev
->default_ant
.tx
= ANTENNA_HW_DIVERSITY
;
1445 if (rt2x00dev
->default_ant
.rx
== ANTENNA_SW_DIVERSITY
)
1446 rt2x00dev
->default_ant
.rx
= ANTENNA_HW_DIVERSITY
;
1449 * Store led mode, for correct led behaviour.
1451 #ifdef CONFIG_RT2X00_LIB_LEDS
1452 value
= rt2x00_get_field16(eeprom
, EEPROM_ANTENNA_LED_MODE
);
1454 rt2500usb_init_led(rt2x00dev
, &rt2x00dev
->led_radio
, LED_TYPE_RADIO
);
1455 if (value
== LED_MODE_TXRX_ACTIVITY
)
1456 rt2500usb_init_led(rt2x00dev
, &rt2x00dev
->led_qual
,
1458 #endif /* CONFIG_RT2X00_LIB_LEDS */
1461 * Check if the BBP tuning should be disabled.
1463 rt2x00_eeprom_read(rt2x00dev
, EEPROM_NIC
, &eeprom
);
1464 if (rt2x00_get_field16(eeprom
, EEPROM_NIC_DYN_BBP_TUNE
))
1465 __set_bit(CONFIG_DISABLE_LINK_TUNING
, &rt2x00dev
->flags
);
1468 * Read the RSSI <-> dBm offset information.
1470 rt2x00_eeprom_read(rt2x00dev
, EEPROM_CALIBRATE_OFFSET
, &eeprom
);
1471 rt2x00dev
->rssi_offset
=
1472 rt2x00_get_field16(eeprom
, EEPROM_CALIBRATE_OFFSET_RSSI
);
1478 * RF value list for RF2522
1481 static const struct rf_channel rf_vals_bg_2522
[] = {
1482 { 1, 0x00002050, 0x000c1fda, 0x00000101, 0 },
1483 { 2, 0x00002050, 0x000c1fee, 0x00000101, 0 },
1484 { 3, 0x00002050, 0x000c2002, 0x00000101, 0 },
1485 { 4, 0x00002050, 0x000c2016, 0x00000101, 0 },
1486 { 5, 0x00002050, 0x000c202a, 0x00000101, 0 },
1487 { 6, 0x00002050, 0x000c203e, 0x00000101, 0 },
1488 { 7, 0x00002050, 0x000c2052, 0x00000101, 0 },
1489 { 8, 0x00002050, 0x000c2066, 0x00000101, 0 },
1490 { 9, 0x00002050, 0x000c207a, 0x00000101, 0 },
1491 { 10, 0x00002050, 0x000c208e, 0x00000101, 0 },
1492 { 11, 0x00002050, 0x000c20a2, 0x00000101, 0 },
1493 { 12, 0x00002050, 0x000c20b6, 0x00000101, 0 },
1494 { 13, 0x00002050, 0x000c20ca, 0x00000101, 0 },
1495 { 14, 0x00002050, 0x000c20fa, 0x00000101, 0 },
1499 * RF value list for RF2523
1502 static const struct rf_channel rf_vals_bg_2523
[] = {
1503 { 1, 0x00022010, 0x00000c9e, 0x000e0111, 0x00000a1b },
1504 { 2, 0x00022010, 0x00000ca2, 0x000e0111, 0x00000a1b },
1505 { 3, 0x00022010, 0x00000ca6, 0x000e0111, 0x00000a1b },
1506 { 4, 0x00022010, 0x00000caa, 0x000e0111, 0x00000a1b },
1507 { 5, 0x00022010, 0x00000cae, 0x000e0111, 0x00000a1b },
1508 { 6, 0x00022010, 0x00000cb2, 0x000e0111, 0x00000a1b },
1509 { 7, 0x00022010, 0x00000cb6, 0x000e0111, 0x00000a1b },
1510 { 8, 0x00022010, 0x00000cba, 0x000e0111, 0x00000a1b },
1511 { 9, 0x00022010, 0x00000cbe, 0x000e0111, 0x00000a1b },
1512 { 10, 0x00022010, 0x00000d02, 0x000e0111, 0x00000a1b },
1513 { 11, 0x00022010, 0x00000d06, 0x000e0111, 0x00000a1b },
1514 { 12, 0x00022010, 0x00000d0a, 0x000e0111, 0x00000a1b },
1515 { 13, 0x00022010, 0x00000d0e, 0x000e0111, 0x00000a1b },
1516 { 14, 0x00022010, 0x00000d1a, 0x000e0111, 0x00000a03 },
1520 * RF value list for RF2524
1523 static const struct rf_channel rf_vals_bg_2524
[] = {
1524 { 1, 0x00032020, 0x00000c9e, 0x00000101, 0x00000a1b },
1525 { 2, 0x00032020, 0x00000ca2, 0x00000101, 0x00000a1b },
1526 { 3, 0x00032020, 0x00000ca6, 0x00000101, 0x00000a1b },
1527 { 4, 0x00032020, 0x00000caa, 0x00000101, 0x00000a1b },
1528 { 5, 0x00032020, 0x00000cae, 0x00000101, 0x00000a1b },
1529 { 6, 0x00032020, 0x00000cb2, 0x00000101, 0x00000a1b },
1530 { 7, 0x00032020, 0x00000cb6, 0x00000101, 0x00000a1b },
1531 { 8, 0x00032020, 0x00000cba, 0x00000101, 0x00000a1b },
1532 { 9, 0x00032020, 0x00000cbe, 0x00000101, 0x00000a1b },
1533 { 10, 0x00032020, 0x00000d02, 0x00000101, 0x00000a1b },
1534 { 11, 0x00032020, 0x00000d06, 0x00000101, 0x00000a1b },
1535 { 12, 0x00032020, 0x00000d0a, 0x00000101, 0x00000a1b },
1536 { 13, 0x00032020, 0x00000d0e, 0x00000101, 0x00000a1b },
1537 { 14, 0x00032020, 0x00000d1a, 0x00000101, 0x00000a03 },
1541 * RF value list for RF2525
1544 static const struct rf_channel rf_vals_bg_2525
[] = {
1545 { 1, 0x00022020, 0x00080c9e, 0x00060111, 0x00000a1b },
1546 { 2, 0x00022020, 0x00080ca2, 0x00060111, 0x00000a1b },
1547 { 3, 0x00022020, 0x00080ca6, 0x00060111, 0x00000a1b },
1548 { 4, 0x00022020, 0x00080caa, 0x00060111, 0x00000a1b },
1549 { 5, 0x00022020, 0x00080cae, 0x00060111, 0x00000a1b },
1550 { 6, 0x00022020, 0x00080cb2, 0x00060111, 0x00000a1b },
1551 { 7, 0x00022020, 0x00080cb6, 0x00060111, 0x00000a1b },
1552 { 8, 0x00022020, 0x00080cba, 0x00060111, 0x00000a1b },
1553 { 9, 0x00022020, 0x00080cbe, 0x00060111, 0x00000a1b },
1554 { 10, 0x00022020, 0x00080d02, 0x00060111, 0x00000a1b },
1555 { 11, 0x00022020, 0x00080d06, 0x00060111, 0x00000a1b },
1556 { 12, 0x00022020, 0x00080d0a, 0x00060111, 0x00000a1b },
1557 { 13, 0x00022020, 0x00080d0e, 0x00060111, 0x00000a1b },
1558 { 14, 0x00022020, 0x00080d1a, 0x00060111, 0x00000a03 },
1562 * RF value list for RF2525e
1565 static const struct rf_channel rf_vals_bg_2525e
[] = {
1566 { 1, 0x00022010, 0x0000089a, 0x00060111, 0x00000e1b },
1567 { 2, 0x00022010, 0x0000089e, 0x00060111, 0x00000e07 },
1568 { 3, 0x00022010, 0x0000089e, 0x00060111, 0x00000e1b },
1569 { 4, 0x00022010, 0x000008a2, 0x00060111, 0x00000e07 },
1570 { 5, 0x00022010, 0x000008a2, 0x00060111, 0x00000e1b },
1571 { 6, 0x00022010, 0x000008a6, 0x00060111, 0x00000e07 },
1572 { 7, 0x00022010, 0x000008a6, 0x00060111, 0x00000e1b },
1573 { 8, 0x00022010, 0x000008aa, 0x00060111, 0x00000e07 },
1574 { 9, 0x00022010, 0x000008aa, 0x00060111, 0x00000e1b },
1575 { 10, 0x00022010, 0x000008ae, 0x00060111, 0x00000e07 },
1576 { 11, 0x00022010, 0x000008ae, 0x00060111, 0x00000e1b },
1577 { 12, 0x00022010, 0x000008b2, 0x00060111, 0x00000e07 },
1578 { 13, 0x00022010, 0x000008b2, 0x00060111, 0x00000e1b },
1579 { 14, 0x00022010, 0x000008b6, 0x00060111, 0x00000e23 },
1583 * RF value list for RF5222
1584 * Supports: 2.4 GHz & 5.2 GHz
1586 static const struct rf_channel rf_vals_5222
[] = {
1587 { 1, 0x00022020, 0x00001136, 0x00000101, 0x00000a0b },
1588 { 2, 0x00022020, 0x0000113a, 0x00000101, 0x00000a0b },
1589 { 3, 0x00022020, 0x0000113e, 0x00000101, 0x00000a0b },
1590 { 4, 0x00022020, 0x00001182, 0x00000101, 0x00000a0b },
1591 { 5, 0x00022020, 0x00001186, 0x00000101, 0x00000a0b },
1592 { 6, 0x00022020, 0x0000118a, 0x00000101, 0x00000a0b },
1593 { 7, 0x00022020, 0x0000118e, 0x00000101, 0x00000a0b },
1594 { 8, 0x00022020, 0x00001192, 0x00000101, 0x00000a0b },
1595 { 9, 0x00022020, 0x00001196, 0x00000101, 0x00000a0b },
1596 { 10, 0x00022020, 0x0000119a, 0x00000101, 0x00000a0b },
1597 { 11, 0x00022020, 0x0000119e, 0x00000101, 0x00000a0b },
1598 { 12, 0x00022020, 0x000011a2, 0x00000101, 0x00000a0b },
1599 { 13, 0x00022020, 0x000011a6, 0x00000101, 0x00000a0b },
1600 { 14, 0x00022020, 0x000011ae, 0x00000101, 0x00000a1b },
1602 /* 802.11 UNI / HyperLan 2 */
1603 { 36, 0x00022010, 0x00018896, 0x00000101, 0x00000a1f },
1604 { 40, 0x00022010, 0x0001889a, 0x00000101, 0x00000a1f },
1605 { 44, 0x00022010, 0x0001889e, 0x00000101, 0x00000a1f },
1606 { 48, 0x00022010, 0x000188a2, 0x00000101, 0x00000a1f },
1607 { 52, 0x00022010, 0x000188a6, 0x00000101, 0x00000a1f },
1608 { 66, 0x00022010, 0x000188aa, 0x00000101, 0x00000a1f },
1609 { 60, 0x00022010, 0x000188ae, 0x00000101, 0x00000a1f },
1610 { 64, 0x00022010, 0x000188b2, 0x00000101, 0x00000a1f },
1612 /* 802.11 HyperLan 2 */
1613 { 100, 0x00022010, 0x00008802, 0x00000101, 0x00000a0f },
1614 { 104, 0x00022010, 0x00008806, 0x00000101, 0x00000a0f },
1615 { 108, 0x00022010, 0x0000880a, 0x00000101, 0x00000a0f },
1616 { 112, 0x00022010, 0x0000880e, 0x00000101, 0x00000a0f },
1617 { 116, 0x00022010, 0x00008812, 0x00000101, 0x00000a0f },
1618 { 120, 0x00022010, 0x00008816, 0x00000101, 0x00000a0f },
1619 { 124, 0x00022010, 0x0000881a, 0x00000101, 0x00000a0f },
1620 { 128, 0x00022010, 0x0000881e, 0x00000101, 0x00000a0f },
1621 { 132, 0x00022010, 0x00008822, 0x00000101, 0x00000a0f },
1622 { 136, 0x00022010, 0x00008826, 0x00000101, 0x00000a0f },
1625 { 140, 0x00022010, 0x0000882a, 0x00000101, 0x00000a0f },
1626 { 149, 0x00022020, 0x000090a6, 0x00000101, 0x00000a07 },
1627 { 153, 0x00022020, 0x000090ae, 0x00000101, 0x00000a07 },
1628 { 157, 0x00022020, 0x000090b6, 0x00000101, 0x00000a07 },
1629 { 161, 0x00022020, 0x000090be, 0x00000101, 0x00000a07 },
1632 static int rt2500usb_probe_hw_mode(struct rt2x00_dev
*rt2x00dev
)
1634 struct hw_mode_spec
*spec
= &rt2x00dev
->spec
;
1635 struct channel_info
*info
;
1640 * Initialize all hw fields.
1642 rt2x00dev
->hw
->flags
=
1643 IEEE80211_HW_RX_INCLUDES_FCS
|
1644 IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING
|
1645 IEEE80211_HW_SIGNAL_DBM
;
1647 rt2x00dev
->hw
->extra_tx_headroom
= TXD_DESC_SIZE
;
1649 SET_IEEE80211_DEV(rt2x00dev
->hw
, rt2x00dev
->dev
);
1650 SET_IEEE80211_PERM_ADDR(rt2x00dev
->hw
,
1651 rt2x00_eeprom_addr(rt2x00dev
,
1652 EEPROM_MAC_ADDR_0
));
1655 * Initialize hw_mode information.
1657 spec
->supported_bands
= SUPPORT_BAND_2GHZ
;
1658 spec
->supported_rates
= SUPPORT_RATE_CCK
| SUPPORT_RATE_OFDM
;
1660 if (rt2x00_rf(&rt2x00dev
->chip
, RF2522
)) {
1661 spec
->num_channels
= ARRAY_SIZE(rf_vals_bg_2522
);
1662 spec
->channels
= rf_vals_bg_2522
;
1663 } else if (rt2x00_rf(&rt2x00dev
->chip
, RF2523
)) {
1664 spec
->num_channels
= ARRAY_SIZE(rf_vals_bg_2523
);
1665 spec
->channels
= rf_vals_bg_2523
;
1666 } else if (rt2x00_rf(&rt2x00dev
->chip
, RF2524
)) {
1667 spec
->num_channels
= ARRAY_SIZE(rf_vals_bg_2524
);
1668 spec
->channels
= rf_vals_bg_2524
;
1669 } else if (rt2x00_rf(&rt2x00dev
->chip
, RF2525
)) {
1670 spec
->num_channels
= ARRAY_SIZE(rf_vals_bg_2525
);
1671 spec
->channels
= rf_vals_bg_2525
;
1672 } else if (rt2x00_rf(&rt2x00dev
->chip
, RF2525E
)) {
1673 spec
->num_channels
= ARRAY_SIZE(rf_vals_bg_2525e
);
1674 spec
->channels
= rf_vals_bg_2525e
;
1675 } else if (rt2x00_rf(&rt2x00dev
->chip
, RF5222
)) {
1676 spec
->supported_bands
|= SUPPORT_BAND_5GHZ
;
1677 spec
->num_channels
= ARRAY_SIZE(rf_vals_5222
);
1678 spec
->channels
= rf_vals_5222
;
1682 * Create channel information array
1684 info
= kzalloc(spec
->num_channels
* sizeof(*info
), GFP_KERNEL
);
1688 spec
->channels_info
= info
;
1690 tx_power
= rt2x00_eeprom_addr(rt2x00dev
, EEPROM_TXPOWER_START
);
1691 for (i
= 0; i
< 14; i
++)
1692 info
[i
].tx_power1
= TXPOWER_FROM_DEV(tx_power
[i
]);
1694 if (spec
->num_channels
> 14) {
1695 for (i
= 14; i
< spec
->num_channels
; i
++)
1696 info
[i
].tx_power1
= DEFAULT_TXPOWER
;
1702 static int rt2500usb_probe_hw(struct rt2x00_dev
*rt2x00dev
)
1707 * Allocate eeprom data.
1709 retval
= rt2500usb_validate_eeprom(rt2x00dev
);
1713 retval
= rt2500usb_init_eeprom(rt2x00dev
);
1718 * Initialize hw specifications.
1720 retval
= rt2500usb_probe_hw_mode(rt2x00dev
);
1725 * This device requires the atim queue
1727 __set_bit(DRIVER_REQUIRE_ATIM_QUEUE
, &rt2x00dev
->flags
);
1728 __set_bit(DRIVER_REQUIRE_BEACON_GUARD
, &rt2x00dev
->flags
);
1729 __set_bit(DRIVER_REQUIRE_SCHEDULED
, &rt2x00dev
->flags
);
1730 __set_bit(CONFIG_DISABLE_LINK_TUNING
, &rt2x00dev
->flags
);
1733 * Set the rssi offset.
1735 rt2x00dev
->rssi_offset
= DEFAULT_RSSI_OFFSET
;
1740 static const struct ieee80211_ops rt2500usb_mac80211_ops
= {
1742 .start
= rt2x00mac_start
,
1743 .stop
= rt2x00mac_stop
,
1744 .add_interface
= rt2x00mac_add_interface
,
1745 .remove_interface
= rt2x00mac_remove_interface
,
1746 .config
= rt2x00mac_config
,
1747 .config_interface
= rt2x00mac_config_interface
,
1748 .configure_filter
= rt2x00mac_configure_filter
,
1749 .get_stats
= rt2x00mac_get_stats
,
1750 .bss_info_changed
= rt2x00mac_bss_info_changed
,
1751 .conf_tx
= rt2x00mac_conf_tx
,
1752 .get_tx_stats
= rt2x00mac_get_tx_stats
,
1755 static const struct rt2x00lib_ops rt2500usb_rt2x00_ops
= {
1756 .probe_hw
= rt2500usb_probe_hw
,
1757 .initialize
= rt2x00usb_initialize
,
1758 .uninitialize
= rt2x00usb_uninitialize
,
1759 .clear_entry
= rt2x00usb_clear_entry
,
1760 .set_device_state
= rt2500usb_set_device_state
,
1761 .link_stats
= rt2500usb_link_stats
,
1762 .reset_tuner
= rt2500usb_reset_tuner
,
1763 .link_tuner
= rt2500usb_link_tuner
,
1764 .write_tx_desc
= rt2500usb_write_tx_desc
,
1765 .write_tx_data
= rt2x00usb_write_tx_data
,
1766 .write_beacon
= rt2500usb_write_beacon
,
1767 .get_tx_data_len
= rt2500usb_get_tx_data_len
,
1768 .kick_tx_queue
= rt2500usb_kick_tx_queue
,
1769 .fill_rxdone
= rt2500usb_fill_rxdone
,
1770 .config_filter
= rt2500usb_config_filter
,
1771 .config_intf
= rt2500usb_config_intf
,
1772 .config_erp
= rt2500usb_config_erp
,
1773 .config_ant
= rt2500usb_config_ant
,
1774 .config
= rt2500usb_config
,
1777 static const struct data_queue_desc rt2500usb_queue_rx
= {
1778 .entry_num
= RX_ENTRIES
,
1779 .data_size
= DATA_FRAME_SIZE
,
1780 .desc_size
= RXD_DESC_SIZE
,
1781 .priv_size
= sizeof(struct queue_entry_priv_usb
),
1784 static const struct data_queue_desc rt2500usb_queue_tx
= {
1785 .entry_num
= TX_ENTRIES
,
1786 .data_size
= DATA_FRAME_SIZE
,
1787 .desc_size
= TXD_DESC_SIZE
,
1788 .priv_size
= sizeof(struct queue_entry_priv_usb
),
1791 static const struct data_queue_desc rt2500usb_queue_bcn
= {
1792 .entry_num
= BEACON_ENTRIES
,
1793 .data_size
= MGMT_FRAME_SIZE
,
1794 .desc_size
= TXD_DESC_SIZE
,
1795 .priv_size
= sizeof(struct queue_entry_priv_usb_bcn
),
1798 static const struct data_queue_desc rt2500usb_queue_atim
= {
1799 .entry_num
= ATIM_ENTRIES
,
1800 .data_size
= DATA_FRAME_SIZE
,
1801 .desc_size
= TXD_DESC_SIZE
,
1802 .priv_size
= sizeof(struct queue_entry_priv_usb
),
1805 static const struct rt2x00_ops rt2500usb_ops
= {
1806 .name
= KBUILD_MODNAME
,
1809 .eeprom_size
= EEPROM_SIZE
,
1811 .tx_queues
= NUM_TX_QUEUES
,
1812 .rx
= &rt2500usb_queue_rx
,
1813 .tx
= &rt2500usb_queue_tx
,
1814 .bcn
= &rt2500usb_queue_bcn
,
1815 .atim
= &rt2500usb_queue_atim
,
1816 .lib
= &rt2500usb_rt2x00_ops
,
1817 .hw
= &rt2500usb_mac80211_ops
,
1818 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
1819 .debugfs
= &rt2500usb_rt2x00debug
,
1820 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
1824 * rt2500usb module information.
1826 static struct usb_device_id rt2500usb_device_table
[] = {
1828 { USB_DEVICE(0x0b05, 0x1706), USB_DEVICE_DATA(&rt2500usb_ops
) },
1829 { USB_DEVICE(0x0b05, 0x1707), USB_DEVICE_DATA(&rt2500usb_ops
) },
1831 { USB_DEVICE(0x050d, 0x7050), USB_DEVICE_DATA(&rt2500usb_ops
) },
1832 { USB_DEVICE(0x050d, 0x7051), USB_DEVICE_DATA(&rt2500usb_ops
) },
1833 { USB_DEVICE(0x050d, 0x705a), USB_DEVICE_DATA(&rt2500usb_ops
) },
1835 { USB_DEVICE(0x13b1, 0x000d), USB_DEVICE_DATA(&rt2500usb_ops
) },
1836 { USB_DEVICE(0x13b1, 0x0011), USB_DEVICE_DATA(&rt2500usb_ops
) },
1837 { USB_DEVICE(0x13b1, 0x001a), USB_DEVICE_DATA(&rt2500usb_ops
) },
1839 { USB_DEVICE(0x14b2, 0x3c02), USB_DEVICE_DATA(&rt2500usb_ops
) },
1841 { USB_DEVICE(0x2001, 0x3c00), USB_DEVICE_DATA(&rt2500usb_ops
) },
1843 { USB_DEVICE(0x1044, 0x8001), USB_DEVICE_DATA(&rt2500usb_ops
) },
1844 { USB_DEVICE(0x1044, 0x8007), USB_DEVICE_DATA(&rt2500usb_ops
) },
1846 { USB_DEVICE(0x06f8, 0xe000), USB_DEVICE_DATA(&rt2500usb_ops
) },
1848 { USB_DEVICE(0x0411, 0x005e), USB_DEVICE_DATA(&rt2500usb_ops
) },
1849 { USB_DEVICE(0x0411, 0x0066), USB_DEVICE_DATA(&rt2500usb_ops
) },
1850 { USB_DEVICE(0x0411, 0x0067), USB_DEVICE_DATA(&rt2500usb_ops
) },
1851 { USB_DEVICE(0x0411, 0x008b), USB_DEVICE_DATA(&rt2500usb_ops
) },
1852 { USB_DEVICE(0x0411, 0x0097), USB_DEVICE_DATA(&rt2500usb_ops
) },
1854 { USB_DEVICE(0x0db0, 0x6861), USB_DEVICE_DATA(&rt2500usb_ops
) },
1855 { USB_DEVICE(0x0db0, 0x6865), USB_DEVICE_DATA(&rt2500usb_ops
) },
1856 { USB_DEVICE(0x0db0, 0x6869), USB_DEVICE_DATA(&rt2500usb_ops
) },
1858 { USB_DEVICE(0x148f, 0x1706), USB_DEVICE_DATA(&rt2500usb_ops
) },
1859 { USB_DEVICE(0x148f, 0x2570), USB_DEVICE_DATA(&rt2500usb_ops
) },
1860 { USB_DEVICE(0x148f, 0x2573), USB_DEVICE_DATA(&rt2500usb_ops
) },
1861 { USB_DEVICE(0x148f, 0x9020), USB_DEVICE_DATA(&rt2500usb_ops
) },
1863 { USB_DEVICE(0x0681, 0x3c06), USB_DEVICE_DATA(&rt2500usb_ops
) },
1865 { USB_DEVICE(0x0707, 0xee13), USB_DEVICE_DATA(&rt2500usb_ops
) },
1867 { USB_DEVICE(0x114b, 0x0110), USB_DEVICE_DATA(&rt2500usb_ops
) },
1869 { USB_DEVICE(0x0eb0, 0x9020), USB_DEVICE_DATA(&rt2500usb_ops
) },
1871 { USB_DEVICE(0x5a57, 0x0260), USB_DEVICE_DATA(&rt2500usb_ops
) },
1875 MODULE_AUTHOR(DRV_PROJECT
);
1876 MODULE_VERSION(DRV_VERSION
);
1877 MODULE_DESCRIPTION("Ralink RT2500 USB Wireless LAN driver.");
1878 MODULE_SUPPORTED_DEVICE("Ralink RT2570 USB chipset based cards");
1879 MODULE_DEVICE_TABLE(usb
, rt2500usb_device_table
);
1880 MODULE_LICENSE("GPL");
1882 static struct usb_driver rt2500usb_driver
= {
1883 .name
= KBUILD_MODNAME
,
1884 .id_table
= rt2500usb_device_table
,
1885 .probe
= rt2x00usb_probe
,
1886 .disconnect
= rt2x00usb_disconnect
,
1887 .suspend
= rt2x00usb_suspend
,
1888 .resume
= rt2x00usb_resume
,
1891 static int __init
rt2500usb_init(void)
1893 return usb_register(&rt2500usb_driver
);
1896 static void __exit
rt2500usb_exit(void)
1898 usb_deregister(&rt2500usb_driver
);
1901 module_init(rt2500usb_init
);
1902 module_exit(rt2500usb_exit
);