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 #define CSR_OFFSET(__word) ( CSR_REG_BASE + ((__word) * sizeof(u16)) )
250 static void rt2500usb_read_csr(struct rt2x00_dev
*rt2x00dev
,
251 const unsigned int word
, u32
*data
)
253 rt2500usb_register_read(rt2x00dev
, CSR_OFFSET(word
), (u16
*) data
);
256 static void rt2500usb_write_csr(struct rt2x00_dev
*rt2x00dev
,
257 const unsigned int word
, u32 data
)
259 rt2500usb_register_write(rt2x00dev
, CSR_OFFSET(word
), data
);
262 static const struct rt2x00debug rt2500usb_rt2x00debug
= {
263 .owner
= THIS_MODULE
,
265 .read
= rt2500usb_read_csr
,
266 .write
= rt2500usb_write_csr
,
267 .word_size
= sizeof(u16
),
268 .word_count
= CSR_REG_SIZE
/ sizeof(u16
),
271 .read
= rt2x00_eeprom_read
,
272 .write
= rt2x00_eeprom_write
,
273 .word_size
= sizeof(u16
),
274 .word_count
= EEPROM_SIZE
/ sizeof(u16
),
277 .read
= rt2500usb_bbp_read
,
278 .write
= rt2500usb_bbp_write
,
279 .word_size
= sizeof(u8
),
280 .word_count
= BBP_SIZE
/ sizeof(u8
),
283 .read
= rt2x00_rf_read
,
284 .write
= rt2500usb_rf_write
,
285 .word_size
= sizeof(u32
),
286 .word_count
= RF_SIZE
/ sizeof(u32
),
289 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
291 #ifdef CONFIG_RT2500USB_LEDS
292 static void rt2500usb_brightness_set(struct led_classdev
*led_cdev
,
293 enum led_brightness brightness
)
295 struct rt2x00_led
*led
=
296 container_of(led_cdev
, struct rt2x00_led
, led_dev
);
297 unsigned int enabled
= brightness
!= LED_OFF
;
300 rt2500usb_register_read(led
->rt2x00dev
, MAC_CSR20
, ®
);
302 if (led
->type
== LED_TYPE_RADIO
|| led
->type
== LED_TYPE_ASSOC
)
303 rt2x00_set_field16(®
, MAC_CSR20_LINK
, enabled
);
304 else if (led
->type
== LED_TYPE_ACTIVITY
)
305 rt2x00_set_field16(®
, MAC_CSR20_ACTIVITY
, enabled
);
307 rt2500usb_register_write(led
->rt2x00dev
, MAC_CSR20
, reg
);
310 static int rt2500usb_blink_set(struct led_classdev
*led_cdev
,
311 unsigned long *delay_on
,
312 unsigned long *delay_off
)
314 struct rt2x00_led
*led
=
315 container_of(led_cdev
, struct rt2x00_led
, led_dev
);
318 rt2500usb_register_read(led
->rt2x00dev
, MAC_CSR21
, ®
);
319 rt2x00_set_field16(®
, MAC_CSR21_ON_PERIOD
, *delay_on
);
320 rt2x00_set_field16(®
, MAC_CSR21_OFF_PERIOD
, *delay_off
);
321 rt2500usb_register_write(led
->rt2x00dev
, MAC_CSR21
, reg
);
326 static void rt2500usb_init_led(struct rt2x00_dev
*rt2x00dev
,
327 struct rt2x00_led
*led
,
330 led
->rt2x00dev
= rt2x00dev
;
332 led
->led_dev
.brightness_set
= rt2500usb_brightness_set
;
333 led
->led_dev
.blink_set
= rt2500usb_blink_set
;
334 led
->flags
= LED_INITIALIZED
;
336 #endif /* CONFIG_RT2500USB_LEDS */
339 * Configuration handlers.
341 static void rt2500usb_config_filter(struct rt2x00_dev
*rt2x00dev
,
342 const unsigned int filter_flags
)
347 * Start configuration steps.
348 * Note that the version error will always be dropped
349 * and broadcast frames will always be accepted since
350 * there is no filter for it at this time.
352 rt2500usb_register_read(rt2x00dev
, TXRX_CSR2
, ®
);
353 rt2x00_set_field16(®
, TXRX_CSR2_DROP_CRC
,
354 !(filter_flags
& FIF_FCSFAIL
));
355 rt2x00_set_field16(®
, TXRX_CSR2_DROP_PHYSICAL
,
356 !(filter_flags
& FIF_PLCPFAIL
));
357 rt2x00_set_field16(®
, TXRX_CSR2_DROP_CONTROL
,
358 !(filter_flags
& FIF_CONTROL
));
359 rt2x00_set_field16(®
, TXRX_CSR2_DROP_NOT_TO_ME
,
360 !(filter_flags
& FIF_PROMISC_IN_BSS
));
361 rt2x00_set_field16(®
, TXRX_CSR2_DROP_TODS
,
362 !(filter_flags
& FIF_PROMISC_IN_BSS
) &&
363 !rt2x00dev
->intf_ap_count
);
364 rt2x00_set_field16(®
, TXRX_CSR2_DROP_VERSION_ERROR
, 1);
365 rt2x00_set_field16(®
, TXRX_CSR2_DROP_MULTICAST
,
366 !(filter_flags
& FIF_ALLMULTI
));
367 rt2x00_set_field16(®
, TXRX_CSR2_DROP_BROADCAST
, 0);
368 rt2500usb_register_write(rt2x00dev
, TXRX_CSR2
, reg
);
371 static void rt2500usb_config_intf(struct rt2x00_dev
*rt2x00dev
,
372 struct rt2x00_intf
*intf
,
373 struct rt2x00intf_conf
*conf
,
374 const unsigned int flags
)
376 unsigned int bcn_preload
;
379 if (flags
& CONFIG_UPDATE_TYPE
) {
381 * Enable beacon config
383 bcn_preload
= PREAMBLE
+ get_duration(IEEE80211_HEADER
, 20);
384 rt2500usb_register_read(rt2x00dev
, TXRX_CSR20
, ®
);
385 rt2x00_set_field16(®
, TXRX_CSR20_OFFSET
, bcn_preload
>> 6);
386 rt2x00_set_field16(®
, TXRX_CSR20_BCN_EXPECT_WINDOW
,
387 2 * (conf
->type
!= IEEE80211_IF_TYPE_STA
));
388 rt2500usb_register_write(rt2x00dev
, TXRX_CSR20
, reg
);
391 * Enable synchronisation.
393 rt2500usb_register_read(rt2x00dev
, TXRX_CSR18
, ®
);
394 rt2x00_set_field16(®
, TXRX_CSR18_OFFSET
, 0);
395 rt2500usb_register_write(rt2x00dev
, TXRX_CSR18
, reg
);
397 rt2500usb_register_read(rt2x00dev
, TXRX_CSR19
, ®
);
398 rt2x00_set_field16(®
, TXRX_CSR19_TSF_COUNT
, 1);
399 rt2x00_set_field16(®
, TXRX_CSR19_TSF_SYNC
, conf
->sync
);
400 rt2x00_set_field16(®
, TXRX_CSR19_TBCN
, 1);
401 rt2500usb_register_write(rt2x00dev
, TXRX_CSR19
, reg
);
404 if (flags
& CONFIG_UPDATE_MAC
)
405 rt2500usb_register_multiwrite(rt2x00dev
, MAC_CSR2
, conf
->mac
,
406 (3 * sizeof(__le16
)));
408 if (flags
& CONFIG_UPDATE_BSSID
)
409 rt2500usb_register_multiwrite(rt2x00dev
, MAC_CSR5
, conf
->bssid
,
410 (3 * sizeof(__le16
)));
413 static void rt2500usb_config_erp(struct rt2x00_dev
*rt2x00dev
,
414 struct rt2x00lib_erp
*erp
)
418 rt2500usb_register_read(rt2x00dev
, TXRX_CSR1
, ®
);
419 rt2x00_set_field16(®
, TXRX_CSR1_ACK_TIMEOUT
, erp
->ack_timeout
);
420 rt2500usb_register_write(rt2x00dev
, TXRX_CSR1
, reg
);
422 rt2500usb_register_read(rt2x00dev
, TXRX_CSR10
, ®
);
423 rt2x00_set_field16(®
, TXRX_CSR10_AUTORESPOND_PREAMBLE
,
424 !!erp
->short_preamble
);
425 rt2500usb_register_write(rt2x00dev
, TXRX_CSR10
, reg
);
428 static void rt2500usb_config_phymode(struct rt2x00_dev
*rt2x00dev
,
429 const int basic_rate_mask
)
431 rt2500usb_register_write(rt2x00dev
, TXRX_CSR11
, basic_rate_mask
);
434 static void rt2500usb_config_channel(struct rt2x00_dev
*rt2x00dev
,
435 struct rf_channel
*rf
, const int txpower
)
440 rt2x00_set_field32(&rf
->rf3
, RF3_TXPOWER
, TXPOWER_TO_DEV(txpower
));
443 * For RT2525E we should first set the channel to half band higher.
445 if (rt2x00_rf(&rt2x00dev
->chip
, RF2525E
)) {
446 static const u32 vals
[] = {
447 0x000008aa, 0x000008ae, 0x000008ae, 0x000008b2,
448 0x000008b2, 0x000008b6, 0x000008b6, 0x000008ba,
449 0x000008ba, 0x000008be, 0x000008b7, 0x00000902,
450 0x00000902, 0x00000906
453 rt2500usb_rf_write(rt2x00dev
, 2, vals
[rf
->channel
- 1]);
455 rt2500usb_rf_write(rt2x00dev
, 4, rf
->rf4
);
458 rt2500usb_rf_write(rt2x00dev
, 1, rf
->rf1
);
459 rt2500usb_rf_write(rt2x00dev
, 2, rf
->rf2
);
460 rt2500usb_rf_write(rt2x00dev
, 3, rf
->rf3
);
462 rt2500usb_rf_write(rt2x00dev
, 4, rf
->rf4
);
465 static void rt2500usb_config_txpower(struct rt2x00_dev
*rt2x00dev
,
470 rt2x00_rf_read(rt2x00dev
, 3, &rf3
);
471 rt2x00_set_field32(&rf3
, RF3_TXPOWER
, TXPOWER_TO_DEV(txpower
));
472 rt2500usb_rf_write(rt2x00dev
, 3, rf3
);
475 static void rt2500usb_config_antenna(struct rt2x00_dev
*rt2x00dev
,
476 struct antenna_setup
*ant
)
484 * We should never come here because rt2x00lib is supposed
485 * to catch this and send us the correct antenna explicitely.
487 BUG_ON(ant
->rx
== ANTENNA_SW_DIVERSITY
||
488 ant
->tx
== ANTENNA_SW_DIVERSITY
);
490 rt2500usb_bbp_read(rt2x00dev
, 2, &r2
);
491 rt2500usb_bbp_read(rt2x00dev
, 14, &r14
);
492 rt2500usb_register_read(rt2x00dev
, PHY_CSR5
, &csr5
);
493 rt2500usb_register_read(rt2x00dev
, PHY_CSR6
, &csr6
);
496 * Configure the TX antenna.
499 case ANTENNA_HW_DIVERSITY
:
500 rt2x00_set_field8(&r2
, BBP_R2_TX_ANTENNA
, 1);
501 rt2x00_set_field16(&csr5
, PHY_CSR5_CCK
, 1);
502 rt2x00_set_field16(&csr6
, PHY_CSR6_OFDM
, 1);
505 rt2x00_set_field8(&r2
, BBP_R2_TX_ANTENNA
, 0);
506 rt2x00_set_field16(&csr5
, PHY_CSR5_CCK
, 0);
507 rt2x00_set_field16(&csr6
, PHY_CSR6_OFDM
, 0);
511 rt2x00_set_field8(&r2
, BBP_R2_TX_ANTENNA
, 2);
512 rt2x00_set_field16(&csr5
, PHY_CSR5_CCK
, 2);
513 rt2x00_set_field16(&csr6
, PHY_CSR6_OFDM
, 2);
518 * Configure the RX antenna.
521 case ANTENNA_HW_DIVERSITY
:
522 rt2x00_set_field8(&r14
, BBP_R14_RX_ANTENNA
, 1);
525 rt2x00_set_field8(&r14
, BBP_R14_RX_ANTENNA
, 0);
529 rt2x00_set_field8(&r14
, BBP_R14_RX_ANTENNA
, 2);
534 * RT2525E and RT5222 need to flip TX I/Q
536 if (rt2x00_rf(&rt2x00dev
->chip
, RF2525E
) ||
537 rt2x00_rf(&rt2x00dev
->chip
, RF5222
)) {
538 rt2x00_set_field8(&r2
, BBP_R2_TX_IQ_FLIP
, 1);
539 rt2x00_set_field16(&csr5
, PHY_CSR5_CCK_FLIP
, 1);
540 rt2x00_set_field16(&csr6
, PHY_CSR6_OFDM_FLIP
, 1);
543 * RT2525E does not need RX I/Q Flip.
545 if (rt2x00_rf(&rt2x00dev
->chip
, RF2525E
))
546 rt2x00_set_field8(&r14
, BBP_R14_RX_IQ_FLIP
, 0);
548 rt2x00_set_field16(&csr5
, PHY_CSR5_CCK_FLIP
, 0);
549 rt2x00_set_field16(&csr6
, PHY_CSR6_OFDM_FLIP
, 0);
552 rt2500usb_bbp_write(rt2x00dev
, 2, r2
);
553 rt2500usb_bbp_write(rt2x00dev
, 14, r14
);
554 rt2500usb_register_write(rt2x00dev
, PHY_CSR5
, csr5
);
555 rt2500usb_register_write(rt2x00dev
, PHY_CSR6
, csr6
);
558 static void rt2500usb_config_duration(struct rt2x00_dev
*rt2x00dev
,
559 struct rt2x00lib_conf
*libconf
)
563 rt2500usb_register_write(rt2x00dev
, MAC_CSR10
, libconf
->slot_time
);
564 rt2500usb_register_write(rt2x00dev
, MAC_CSR11
, libconf
->sifs
);
565 rt2500usb_register_write(rt2x00dev
, MAC_CSR12
, libconf
->eifs
);
567 rt2500usb_register_read(rt2x00dev
, TXRX_CSR18
, ®
);
568 rt2x00_set_field16(®
, TXRX_CSR18_INTERVAL
,
569 libconf
->conf
->beacon_int
* 4);
570 rt2500usb_register_write(rt2x00dev
, TXRX_CSR18
, reg
);
573 static void rt2500usb_config(struct rt2x00_dev
*rt2x00dev
,
574 struct rt2x00lib_conf
*libconf
,
575 const unsigned int flags
)
577 if (flags
& CONFIG_UPDATE_PHYMODE
)
578 rt2500usb_config_phymode(rt2x00dev
, libconf
->basic_rates
);
579 if (flags
& CONFIG_UPDATE_CHANNEL
)
580 rt2500usb_config_channel(rt2x00dev
, &libconf
->rf
,
581 libconf
->conf
->power_level
);
582 if ((flags
& CONFIG_UPDATE_TXPOWER
) && !(flags
& CONFIG_UPDATE_CHANNEL
))
583 rt2500usb_config_txpower(rt2x00dev
,
584 libconf
->conf
->power_level
);
585 if (flags
& CONFIG_UPDATE_ANTENNA
)
586 rt2500usb_config_antenna(rt2x00dev
, &libconf
->ant
);
587 if (flags
& (CONFIG_UPDATE_SLOT_TIME
| CONFIG_UPDATE_BEACON_INT
))
588 rt2500usb_config_duration(rt2x00dev
, libconf
);
594 static void rt2500usb_link_stats(struct rt2x00_dev
*rt2x00dev
,
595 struct link_qual
*qual
)
600 * Update FCS error count from register.
602 rt2500usb_register_read(rt2x00dev
, STA_CSR0
, ®
);
603 qual
->rx_failed
= rt2x00_get_field16(reg
, STA_CSR0_FCS_ERROR
);
606 * Update False CCA count from register.
608 rt2500usb_register_read(rt2x00dev
, STA_CSR3
, ®
);
609 qual
->false_cca
= rt2x00_get_field16(reg
, STA_CSR3_FALSE_CCA_ERROR
);
612 static void rt2500usb_reset_tuner(struct rt2x00_dev
*rt2x00dev
)
617 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE_R24
, &eeprom
);
618 value
= rt2x00_get_field16(eeprom
, EEPROM_BBPTUNE_R24_LOW
);
619 rt2500usb_bbp_write(rt2x00dev
, 24, value
);
621 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE_R25
, &eeprom
);
622 value
= rt2x00_get_field16(eeprom
, EEPROM_BBPTUNE_R25_LOW
);
623 rt2500usb_bbp_write(rt2x00dev
, 25, value
);
625 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE_R61
, &eeprom
);
626 value
= rt2x00_get_field16(eeprom
, EEPROM_BBPTUNE_R61_LOW
);
627 rt2500usb_bbp_write(rt2x00dev
, 61, value
);
629 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE_VGC
, &eeprom
);
630 value
= rt2x00_get_field16(eeprom
, EEPROM_BBPTUNE_VGCUPPER
);
631 rt2500usb_bbp_write(rt2x00dev
, 17, value
);
633 rt2x00dev
->link
.vgc_level
= value
;
637 * NOTE: This function is directly ported from legacy driver, but
638 * despite it being declared it was never called. Although link tuning
639 * sounds like a good idea, and usually works well for the other drivers,
640 * it does _not_ work with rt2500usb. Enabling this function will result
641 * in TX capabilities only until association kicks in. Immediately
642 * after the successful association all TX frames will be kept in the
643 * hardware queue and never transmitted.
646 static void rt2500usb_link_tuner(struct rt2x00_dev
*rt2x00dev
)
648 int rssi
= rt2x00_get_link_rssi(&rt2x00dev
->link
);
661 * Read current r17 value, as well as the sensitivity values
662 * for the r17 register.
664 rt2500usb_bbp_read(rt2x00dev
, 17, &r17
);
665 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE_R17
, &r17_sens
);
667 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE_VGC
, &vgc_bound
);
668 up_bound
= rt2x00_get_field16(vgc_bound
, EEPROM_BBPTUNE_VGCUPPER
);
669 low_bound
= rt2x00_get_field16(vgc_bound
, EEPROM_BBPTUNE_VGCLOWER
);
672 * If we are not associated, we should go straight to the
673 * dynamic CCA tuning.
675 if (!rt2x00dev
->intf_associated
)
676 goto dynamic_cca_tune
;
679 * Determine the BBP tuning threshold and correctly
680 * set BBP 24, 25 and 61.
682 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE
, &bbp_thresh
);
683 bbp_thresh
= rt2x00_get_field16(bbp_thresh
, EEPROM_BBPTUNE_THRESHOLD
);
685 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE_R24
, &r24
);
686 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE_R25
, &r25
);
687 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE_R61
, &r61
);
689 if ((rssi
+ bbp_thresh
) > 0) {
690 r24
= rt2x00_get_field16(r24
, EEPROM_BBPTUNE_R24_HIGH
);
691 r25
= rt2x00_get_field16(r25
, EEPROM_BBPTUNE_R25_HIGH
);
692 r61
= rt2x00_get_field16(r61
, EEPROM_BBPTUNE_R61_HIGH
);
694 r24
= rt2x00_get_field16(r24
, EEPROM_BBPTUNE_R24_LOW
);
695 r25
= rt2x00_get_field16(r25
, EEPROM_BBPTUNE_R25_LOW
);
696 r61
= rt2x00_get_field16(r61
, EEPROM_BBPTUNE_R61_LOW
);
699 rt2500usb_bbp_write(rt2x00dev
, 24, r24
);
700 rt2500usb_bbp_write(rt2x00dev
, 25, r25
);
701 rt2500usb_bbp_write(rt2x00dev
, 61, r61
);
704 * A too low RSSI will cause too much false CCA which will
705 * then corrupt the R17 tuning. To remidy this the tuning should
706 * be stopped (While making sure the R17 value will not exceed limits)
710 rt2500usb_bbp_write(rt2x00dev
, 17, 0x60);
715 * Special big-R17 for short distance
718 sens
= rt2x00_get_field16(r17_sens
, EEPROM_BBPTUNE_R17_LOW
);
720 rt2500usb_bbp_write(rt2x00dev
, 17, sens
);
725 * Special mid-R17 for middle distance
728 sens
= rt2x00_get_field16(r17_sens
, EEPROM_BBPTUNE_R17_HIGH
);
730 rt2500usb_bbp_write(rt2x00dev
, 17, sens
);
735 * Leave short or middle distance condition, restore r17
736 * to the dynamic tuning range.
740 up_bound
-= (-77 - rssi
);
742 if (up_bound
< low_bound
)
743 up_bound
= low_bound
;
745 if (r17
> up_bound
) {
746 rt2500usb_bbp_write(rt2x00dev
, 17, up_bound
);
747 rt2x00dev
->link
.vgc_level
= up_bound
;
754 * R17 is inside the dynamic tuning range,
755 * start tuning the link based on the false cca counter.
757 if (rt2x00dev
->link
.qual
.false_cca
> 512 && r17
< up_bound
) {
758 rt2500usb_bbp_write(rt2x00dev
, 17, ++r17
);
759 rt2x00dev
->link
.vgc_level
= r17
;
760 } else if (rt2x00dev
->link
.qual
.false_cca
< 100 && r17
> low_bound
) {
761 rt2500usb_bbp_write(rt2x00dev
, 17, --r17
);
762 rt2x00dev
->link
.vgc_level
= r17
;
766 #define rt2500usb_link_tuner NULL
770 * Initialization functions.
772 static int rt2500usb_init_registers(struct rt2x00_dev
*rt2x00dev
)
776 rt2x00usb_vendor_request_sw(rt2x00dev
, USB_DEVICE_MODE
, 0x0001,
777 USB_MODE_TEST
, REGISTER_TIMEOUT
);
778 rt2x00usb_vendor_request_sw(rt2x00dev
, USB_SINGLE_WRITE
, 0x0308,
779 0x00f0, REGISTER_TIMEOUT
);
781 rt2500usb_register_read(rt2x00dev
, TXRX_CSR2
, ®
);
782 rt2x00_set_field16(®
, TXRX_CSR2_DISABLE_RX
, 1);
783 rt2500usb_register_write(rt2x00dev
, TXRX_CSR2
, reg
);
785 rt2500usb_register_write(rt2x00dev
, MAC_CSR13
, 0x1111);
786 rt2500usb_register_write(rt2x00dev
, MAC_CSR14
, 0x1e11);
788 rt2500usb_register_read(rt2x00dev
, MAC_CSR1
, ®
);
789 rt2x00_set_field16(®
, MAC_CSR1_SOFT_RESET
, 1);
790 rt2x00_set_field16(®
, MAC_CSR1_BBP_RESET
, 1);
791 rt2x00_set_field16(®
, MAC_CSR1_HOST_READY
, 0);
792 rt2500usb_register_write(rt2x00dev
, MAC_CSR1
, reg
);
794 rt2500usb_register_read(rt2x00dev
, MAC_CSR1
, ®
);
795 rt2x00_set_field16(®
, MAC_CSR1_SOFT_RESET
, 0);
796 rt2x00_set_field16(®
, MAC_CSR1_BBP_RESET
, 0);
797 rt2x00_set_field16(®
, MAC_CSR1_HOST_READY
, 0);
798 rt2500usb_register_write(rt2x00dev
, MAC_CSR1
, reg
);
800 rt2500usb_register_read(rt2x00dev
, TXRX_CSR5
, ®
);
801 rt2x00_set_field16(®
, TXRX_CSR5_BBP_ID0
, 13);
802 rt2x00_set_field16(®
, TXRX_CSR5_BBP_ID0_VALID
, 1);
803 rt2x00_set_field16(®
, TXRX_CSR5_BBP_ID1
, 12);
804 rt2x00_set_field16(®
, TXRX_CSR5_BBP_ID1_VALID
, 1);
805 rt2500usb_register_write(rt2x00dev
, TXRX_CSR5
, reg
);
807 rt2500usb_register_read(rt2x00dev
, TXRX_CSR6
, ®
);
808 rt2x00_set_field16(®
, TXRX_CSR6_BBP_ID0
, 10);
809 rt2x00_set_field16(®
, TXRX_CSR6_BBP_ID0_VALID
, 1);
810 rt2x00_set_field16(®
, TXRX_CSR6_BBP_ID1
, 11);
811 rt2x00_set_field16(®
, TXRX_CSR6_BBP_ID1_VALID
, 1);
812 rt2500usb_register_write(rt2x00dev
, TXRX_CSR6
, reg
);
814 rt2500usb_register_read(rt2x00dev
, TXRX_CSR7
, ®
);
815 rt2x00_set_field16(®
, TXRX_CSR7_BBP_ID0
, 7);
816 rt2x00_set_field16(®
, TXRX_CSR7_BBP_ID0_VALID
, 1);
817 rt2x00_set_field16(®
, TXRX_CSR7_BBP_ID1
, 6);
818 rt2x00_set_field16(®
, TXRX_CSR7_BBP_ID1_VALID
, 1);
819 rt2500usb_register_write(rt2x00dev
, TXRX_CSR7
, reg
);
821 rt2500usb_register_read(rt2x00dev
, TXRX_CSR8
, ®
);
822 rt2x00_set_field16(®
, TXRX_CSR8_BBP_ID0
, 5);
823 rt2x00_set_field16(®
, TXRX_CSR8_BBP_ID0_VALID
, 1);
824 rt2x00_set_field16(®
, TXRX_CSR8_BBP_ID1
, 0);
825 rt2x00_set_field16(®
, TXRX_CSR8_BBP_ID1_VALID
, 0);
826 rt2500usb_register_write(rt2x00dev
, TXRX_CSR8
, reg
);
828 rt2500usb_register_read(rt2x00dev
, TXRX_CSR19
, ®
);
829 rt2x00_set_field16(®
, TXRX_CSR19_TSF_COUNT
, 0);
830 rt2x00_set_field16(®
, TXRX_CSR19_TSF_SYNC
, 0);
831 rt2x00_set_field16(®
, TXRX_CSR19_TBCN
, 0);
832 rt2x00_set_field16(®
, TXRX_CSR19_BEACON_GEN
, 0);
833 rt2500usb_register_write(rt2x00dev
, TXRX_CSR19
, reg
);
835 rt2500usb_register_write(rt2x00dev
, TXRX_CSR21
, 0xe78f);
836 rt2500usb_register_write(rt2x00dev
, MAC_CSR9
, 0xff1d);
838 if (rt2x00dev
->ops
->lib
->set_device_state(rt2x00dev
, STATE_AWAKE
))
841 rt2500usb_register_read(rt2x00dev
, MAC_CSR1
, ®
);
842 rt2x00_set_field16(®
, MAC_CSR1_SOFT_RESET
, 0);
843 rt2x00_set_field16(®
, MAC_CSR1_BBP_RESET
, 0);
844 rt2x00_set_field16(®
, MAC_CSR1_HOST_READY
, 1);
845 rt2500usb_register_write(rt2x00dev
, MAC_CSR1
, reg
);
847 if (rt2x00_rev(&rt2x00dev
->chip
) >= RT2570_VERSION_C
) {
848 rt2500usb_register_read(rt2x00dev
, PHY_CSR2
, ®
);
849 rt2x00_set_field16(®
, PHY_CSR2_LNA
, 0);
852 rt2x00_set_field16(®
, PHY_CSR2_LNA
, 1);
853 rt2x00_set_field16(®
, PHY_CSR2_LNA_MODE
, 3);
855 rt2500usb_register_write(rt2x00dev
, PHY_CSR2
, reg
);
857 rt2500usb_register_write(rt2x00dev
, MAC_CSR11
, 0x0002);
858 rt2500usb_register_write(rt2x00dev
, MAC_CSR22
, 0x0053);
859 rt2500usb_register_write(rt2x00dev
, MAC_CSR15
, 0x01ee);
860 rt2500usb_register_write(rt2x00dev
, MAC_CSR16
, 0x0000);
862 rt2500usb_register_read(rt2x00dev
, MAC_CSR8
, ®
);
863 rt2x00_set_field16(®
, MAC_CSR8_MAX_FRAME_UNIT
,
864 rt2x00dev
->rx
->data_size
);
865 rt2500usb_register_write(rt2x00dev
, MAC_CSR8
, reg
);
867 rt2500usb_register_read(rt2x00dev
, TXRX_CSR0
, ®
);
868 rt2x00_set_field16(®
, TXRX_CSR0_IV_OFFSET
, IEEE80211_HEADER
);
869 rt2x00_set_field16(®
, TXRX_CSR0_KEY_ID
, 0xff);
870 rt2500usb_register_write(rt2x00dev
, TXRX_CSR0
, reg
);
872 rt2500usb_register_read(rt2x00dev
, MAC_CSR18
, ®
);
873 rt2x00_set_field16(®
, MAC_CSR18_DELAY_AFTER_BEACON
, 90);
874 rt2500usb_register_write(rt2x00dev
, MAC_CSR18
, reg
);
876 rt2500usb_register_read(rt2x00dev
, PHY_CSR4
, ®
);
877 rt2x00_set_field16(®
, PHY_CSR4_LOW_RF_LE
, 1);
878 rt2500usb_register_write(rt2x00dev
, PHY_CSR4
, reg
);
880 rt2500usb_register_read(rt2x00dev
, TXRX_CSR1
, ®
);
881 rt2x00_set_field16(®
, TXRX_CSR1_AUTO_SEQUENCE
, 1);
882 rt2500usb_register_write(rt2x00dev
, TXRX_CSR1
, reg
);
887 static int rt2500usb_wait_bbp_ready(struct rt2x00_dev
*rt2x00dev
)
892 for (i
= 0; i
< REGISTER_BUSY_COUNT
; i
++) {
893 rt2500usb_bbp_read(rt2x00dev
, 0, &value
);
894 if ((value
!= 0xff) && (value
!= 0x00))
896 udelay(REGISTER_BUSY_DELAY
);
899 ERROR(rt2x00dev
, "BBP register access failed, aborting.\n");
903 static int rt2500usb_init_bbp(struct rt2x00_dev
*rt2x00dev
)
910 if (unlikely(rt2500usb_wait_bbp_ready(rt2x00dev
)))
913 rt2500usb_bbp_write(rt2x00dev
, 3, 0x02);
914 rt2500usb_bbp_write(rt2x00dev
, 4, 0x19);
915 rt2500usb_bbp_write(rt2x00dev
, 14, 0x1c);
916 rt2500usb_bbp_write(rt2x00dev
, 15, 0x30);
917 rt2500usb_bbp_write(rt2x00dev
, 16, 0xac);
918 rt2500usb_bbp_write(rt2x00dev
, 18, 0x18);
919 rt2500usb_bbp_write(rt2x00dev
, 19, 0xff);
920 rt2500usb_bbp_write(rt2x00dev
, 20, 0x1e);
921 rt2500usb_bbp_write(rt2x00dev
, 21, 0x08);
922 rt2500usb_bbp_write(rt2x00dev
, 22, 0x08);
923 rt2500usb_bbp_write(rt2x00dev
, 23, 0x08);
924 rt2500usb_bbp_write(rt2x00dev
, 24, 0x80);
925 rt2500usb_bbp_write(rt2x00dev
, 25, 0x50);
926 rt2500usb_bbp_write(rt2x00dev
, 26, 0x08);
927 rt2500usb_bbp_write(rt2x00dev
, 27, 0x23);
928 rt2500usb_bbp_write(rt2x00dev
, 30, 0x10);
929 rt2500usb_bbp_write(rt2x00dev
, 31, 0x2b);
930 rt2500usb_bbp_write(rt2x00dev
, 32, 0xb9);
931 rt2500usb_bbp_write(rt2x00dev
, 34, 0x12);
932 rt2500usb_bbp_write(rt2x00dev
, 35, 0x50);
933 rt2500usb_bbp_write(rt2x00dev
, 39, 0xc4);
934 rt2500usb_bbp_write(rt2x00dev
, 40, 0x02);
935 rt2500usb_bbp_write(rt2x00dev
, 41, 0x60);
936 rt2500usb_bbp_write(rt2x00dev
, 53, 0x10);
937 rt2500usb_bbp_write(rt2x00dev
, 54, 0x18);
938 rt2500usb_bbp_write(rt2x00dev
, 56, 0x08);
939 rt2500usb_bbp_write(rt2x00dev
, 57, 0x10);
940 rt2500usb_bbp_write(rt2x00dev
, 58, 0x08);
941 rt2500usb_bbp_write(rt2x00dev
, 61, 0x60);
942 rt2500usb_bbp_write(rt2x00dev
, 62, 0x10);
943 rt2500usb_bbp_write(rt2x00dev
, 75, 0xff);
945 for (i
= 0; i
< EEPROM_BBP_SIZE
; i
++) {
946 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBP_START
+ i
, &eeprom
);
948 if (eeprom
!= 0xffff && eeprom
!= 0x0000) {
949 reg_id
= rt2x00_get_field16(eeprom
, EEPROM_BBP_REG_ID
);
950 value
= rt2x00_get_field16(eeprom
, EEPROM_BBP_VALUE
);
951 rt2500usb_bbp_write(rt2x00dev
, reg_id
, value
);
959 * Device state switch handlers.
961 static void rt2500usb_toggle_rx(struct rt2x00_dev
*rt2x00dev
,
962 enum dev_state state
)
966 rt2500usb_register_read(rt2x00dev
, TXRX_CSR2
, ®
);
967 rt2x00_set_field16(®
, TXRX_CSR2_DISABLE_RX
,
968 (state
== STATE_RADIO_RX_OFF
) ||
969 (state
== STATE_RADIO_RX_OFF_LINK
));
970 rt2500usb_register_write(rt2x00dev
, TXRX_CSR2
, reg
);
973 static int rt2500usb_enable_radio(struct rt2x00_dev
*rt2x00dev
)
976 * Initialize all registers.
978 if (unlikely(rt2500usb_init_registers(rt2x00dev
) ||
979 rt2500usb_init_bbp(rt2x00dev
)))
985 static void rt2500usb_disable_radio(struct rt2x00_dev
*rt2x00dev
)
987 rt2500usb_register_write(rt2x00dev
, MAC_CSR13
, 0x2121);
988 rt2500usb_register_write(rt2x00dev
, MAC_CSR14
, 0x2121);
991 * Disable synchronisation.
993 rt2500usb_register_write(rt2x00dev
, TXRX_CSR19
, 0);
995 rt2x00usb_disable_radio(rt2x00dev
);
998 static int rt2500usb_set_state(struct rt2x00_dev
*rt2x00dev
,
999 enum dev_state state
)
1008 put_to_sleep
= (state
!= STATE_AWAKE
);
1011 rt2x00_set_field16(®
, MAC_CSR17_BBP_DESIRE_STATE
, state
);
1012 rt2x00_set_field16(®
, MAC_CSR17_RF_DESIRE_STATE
, state
);
1013 rt2x00_set_field16(®
, MAC_CSR17_PUT_TO_SLEEP
, put_to_sleep
);
1014 rt2500usb_register_write(rt2x00dev
, MAC_CSR17
, reg
);
1015 rt2x00_set_field16(®
, MAC_CSR17_SET_STATE
, 1);
1016 rt2500usb_register_write(rt2x00dev
, MAC_CSR17
, reg
);
1019 * Device is not guaranteed to be in the requested state yet.
1020 * We must wait until the register indicates that the
1021 * device has entered the correct state.
1023 for (i
= 0; i
< REGISTER_BUSY_COUNT
; i
++) {
1024 rt2500usb_register_read(rt2x00dev
, MAC_CSR17
, ®2
);
1025 bbp_state
= rt2x00_get_field16(reg2
, MAC_CSR17_BBP_CURR_STATE
);
1026 rf_state
= rt2x00_get_field16(reg2
, MAC_CSR17_RF_CURR_STATE
);
1027 if (bbp_state
== state
&& rf_state
== state
)
1029 rt2500usb_register_write(rt2x00dev
, MAC_CSR17
, reg
);
1036 static int rt2500usb_set_device_state(struct rt2x00_dev
*rt2x00dev
,
1037 enum dev_state state
)
1042 case STATE_RADIO_ON
:
1043 retval
= rt2500usb_enable_radio(rt2x00dev
);
1045 case STATE_RADIO_OFF
:
1046 rt2500usb_disable_radio(rt2x00dev
);
1048 case STATE_RADIO_RX_ON
:
1049 case STATE_RADIO_RX_ON_LINK
:
1050 case STATE_RADIO_RX_OFF
:
1051 case STATE_RADIO_RX_OFF_LINK
:
1052 rt2500usb_toggle_rx(rt2x00dev
, state
);
1054 case STATE_RADIO_IRQ_ON
:
1055 case STATE_RADIO_IRQ_OFF
:
1056 /* No support, but no error either */
1058 case STATE_DEEP_SLEEP
:
1062 retval
= rt2500usb_set_state(rt2x00dev
, state
);
1069 if (unlikely(retval
))
1070 ERROR(rt2x00dev
, "Device failed to enter state %d (%d).\n",
1077 * TX descriptor initialization
1079 static void rt2500usb_write_tx_desc(struct rt2x00_dev
*rt2x00dev
,
1080 struct sk_buff
*skb
,
1081 struct txentry_desc
*txdesc
)
1083 struct skb_frame_desc
*skbdesc
= get_skb_frame_desc(skb
);
1084 __le32
*txd
= skbdesc
->desc
;
1088 * Start writing the descriptor words.
1090 rt2x00_desc_read(txd
, 1, &word
);
1091 rt2x00_set_field32(&word
, TXD_W1_IV_OFFSET
, IEEE80211_HEADER
);
1092 rt2x00_set_field32(&word
, TXD_W1_AIFS
, txdesc
->aifs
);
1093 rt2x00_set_field32(&word
, TXD_W1_CWMIN
, txdesc
->cw_min
);
1094 rt2x00_set_field32(&word
, TXD_W1_CWMAX
, txdesc
->cw_max
);
1095 rt2x00_desc_write(txd
, 1, word
);
1097 rt2x00_desc_read(txd
, 2, &word
);
1098 rt2x00_set_field32(&word
, TXD_W2_PLCP_SIGNAL
, txdesc
->signal
);
1099 rt2x00_set_field32(&word
, TXD_W2_PLCP_SERVICE
, txdesc
->service
);
1100 rt2x00_set_field32(&word
, TXD_W2_PLCP_LENGTH_LOW
, txdesc
->length_low
);
1101 rt2x00_set_field32(&word
, TXD_W2_PLCP_LENGTH_HIGH
, txdesc
->length_high
);
1102 rt2x00_desc_write(txd
, 2, word
);
1104 rt2x00_desc_read(txd
, 0, &word
);
1105 rt2x00_set_field32(&word
, TXD_W0_RETRY_LIMIT
, txdesc
->retry_limit
);
1106 rt2x00_set_field32(&word
, TXD_W0_MORE_FRAG
,
1107 test_bit(ENTRY_TXD_MORE_FRAG
, &txdesc
->flags
));
1108 rt2x00_set_field32(&word
, TXD_W0_ACK
,
1109 test_bit(ENTRY_TXD_ACK
, &txdesc
->flags
));
1110 rt2x00_set_field32(&word
, TXD_W0_TIMESTAMP
,
1111 test_bit(ENTRY_TXD_REQ_TIMESTAMP
, &txdesc
->flags
));
1112 rt2x00_set_field32(&word
, TXD_W0_OFDM
,
1113 test_bit(ENTRY_TXD_OFDM_RATE
, &txdesc
->flags
));
1114 rt2x00_set_field32(&word
, TXD_W0_NEW_SEQ
,
1115 test_bit(ENTRY_TXD_FIRST_FRAGMENT
, &txdesc
->flags
));
1116 rt2x00_set_field32(&word
, TXD_W0_IFS
, txdesc
->ifs
);
1117 rt2x00_set_field32(&word
, TXD_W0_DATABYTE_COUNT
, skb
->len
);
1118 rt2x00_set_field32(&word
, TXD_W0_CIPHER
, CIPHER_NONE
);
1119 rt2x00_desc_write(txd
, 0, word
);
1123 * TX data initialization
1125 static void rt2500usb_beacondone(struct urb
*urb
);
1127 static void rt2500usb_write_beacon(struct queue_entry
*entry
)
1129 struct rt2x00_dev
*rt2x00dev
= entry
->queue
->rt2x00dev
;
1130 struct usb_device
*usb_dev
= to_usb_device_intf(rt2x00dev
->dev
);
1131 struct queue_entry_priv_usb_bcn
*bcn_priv
= entry
->priv_data
;
1132 struct skb_frame_desc
*skbdesc
= get_skb_frame_desc(entry
->skb
);
1133 int pipe
= usb_sndbulkpipe(usb_dev
, 1);
1138 * Add the descriptor in front of the skb.
1140 skb_push(entry
->skb
, entry
->queue
->desc_size
);
1141 memcpy(entry
->skb
->data
, skbdesc
->desc
, skbdesc
->desc_len
);
1142 skbdesc
->desc
= entry
->skb
->data
;
1145 * Disable beaconing while we are reloading the beacon data,
1146 * otherwise we might be sending out invalid data.
1148 rt2500usb_register_read(rt2x00dev
, TXRX_CSR19
, ®
);
1149 rt2x00_set_field16(®
, TXRX_CSR19_TSF_COUNT
, 0);
1150 rt2x00_set_field16(®
, TXRX_CSR19_TBCN
, 0);
1151 rt2x00_set_field16(®
, TXRX_CSR19_BEACON_GEN
, 0);
1152 rt2500usb_register_write(rt2x00dev
, TXRX_CSR19
, reg
);
1155 * USB devices cannot blindly pass the skb->len as the
1156 * length of the data to usb_fill_bulk_urb. Pass the skb
1157 * to the driver to determine what the length should be.
1159 length
= rt2x00dev
->ops
->lib
->get_tx_data_len(rt2x00dev
, entry
->skb
);
1161 usb_fill_bulk_urb(bcn_priv
->urb
, usb_dev
, pipe
,
1162 entry
->skb
->data
, length
, rt2500usb_beacondone
,
1166 * Second we need to create the guardian byte.
1167 * We only need a single byte, so lets recycle
1168 * the 'flags' field we are not using for beacons.
1170 bcn_priv
->guardian_data
= 0;
1171 usb_fill_bulk_urb(bcn_priv
->guardian_urb
, usb_dev
, pipe
,
1172 &bcn_priv
->guardian_data
, 1, rt2500usb_beacondone
,
1176 * Send out the guardian byte.
1178 usb_submit_urb(bcn_priv
->guardian_urb
, GFP_ATOMIC
);
1181 static int rt2500usb_get_tx_data_len(struct rt2x00_dev
*rt2x00dev
,
1182 struct sk_buff
*skb
)
1187 * The length _must_ be a multiple of 2,
1188 * but it must _not_ be a multiple of the USB packet size.
1190 length
= roundup(skb
->len
, 2);
1191 length
+= (2 * !(length
% rt2x00dev
->usb_maxpacket
));
1196 static void rt2500usb_kick_tx_queue(struct rt2x00_dev
*rt2x00dev
,
1197 const enum data_queue_qid queue
)
1201 if (queue
!= QID_BEACON
) {
1202 rt2x00usb_kick_tx_queue(rt2x00dev
, queue
);
1206 rt2500usb_register_read(rt2x00dev
, TXRX_CSR19
, ®
);
1207 if (!rt2x00_get_field16(reg
, TXRX_CSR19_BEACON_GEN
)) {
1208 rt2x00_set_field16(®
, TXRX_CSR19_TSF_COUNT
, 1);
1209 rt2x00_set_field16(®
, TXRX_CSR19_TBCN
, 1);
1210 rt2x00_set_field16(®
, TXRX_CSR19_BEACON_GEN
, 1);
1212 * Beacon generation will fail initially.
1213 * To prevent this we need to register the TXRX_CSR19
1214 * register several times.
1216 rt2500usb_register_write(rt2x00dev
, TXRX_CSR19
, reg
);
1217 rt2500usb_register_write(rt2x00dev
, TXRX_CSR19
, 0);
1218 rt2500usb_register_write(rt2x00dev
, TXRX_CSR19
, reg
);
1219 rt2500usb_register_write(rt2x00dev
, TXRX_CSR19
, 0);
1220 rt2500usb_register_write(rt2x00dev
, TXRX_CSR19
, reg
);
1225 * RX control handlers
1227 static void rt2500usb_fill_rxdone(struct queue_entry
*entry
,
1228 struct rxdone_entry_desc
*rxdesc
)
1230 struct queue_entry_priv_usb
*entry_priv
= entry
->priv_data
;
1231 struct skb_frame_desc
*skbdesc
= get_skb_frame_desc(entry
->skb
);
1233 (__le32
*)(entry
->skb
->data
+
1234 (entry_priv
->urb
->actual_length
-
1235 entry
->queue
->desc_size
));
1240 * Copy descriptor to the skbdesc->desc buffer, making it safe from moving of
1241 * frame data in rt2x00usb.
1243 memcpy(skbdesc
->desc
, rxd
, skbdesc
->desc_len
);
1244 rxd
= (__le32
*)skbdesc
->desc
;
1247 * It is now safe to read the descriptor on all architectures.
1249 rt2x00_desc_read(rxd
, 0, &word0
);
1250 rt2x00_desc_read(rxd
, 1, &word1
);
1252 if (rt2x00_get_field32(word0
, RXD_W0_CRC_ERROR
))
1253 rxdesc
->flags
|= RX_FLAG_FAILED_FCS_CRC
;
1254 if (rt2x00_get_field32(word0
, RXD_W0_PHYSICAL_ERROR
))
1255 rxdesc
->flags
|= RX_FLAG_FAILED_PLCP_CRC
;
1258 * Obtain the status about this packet.
1259 * When frame was received with an OFDM bitrate,
1260 * the signal is the PLCP value. If it was received with
1261 * a CCK bitrate the signal is the rate in 100kbit/s.
1263 rxdesc
->signal
= rt2x00_get_field32(word1
, RXD_W1_SIGNAL
);
1264 rxdesc
->rssi
= rt2x00_get_field32(word1
, RXD_W1_RSSI
) -
1265 entry
->queue
->rt2x00dev
->rssi_offset
;
1266 rxdesc
->size
= rt2x00_get_field32(word0
, RXD_W0_DATABYTE_COUNT
);
1268 if (rt2x00_get_field32(word0
, RXD_W0_OFDM
))
1269 rxdesc
->dev_flags
|= RXDONE_SIGNAL_PLCP
;
1271 rxdesc
->dev_flags
|= RXDONE_SIGNAL_BITRATE
;
1272 if (rt2x00_get_field32(word0
, RXD_W0_MY_BSS
))
1273 rxdesc
->dev_flags
|= RXDONE_MY_BSS
;
1276 * Adjust the skb memory window to the frame boundaries.
1278 skb_trim(entry
->skb
, rxdesc
->size
);
1282 * Interrupt functions.
1284 static void rt2500usb_beacondone(struct urb
*urb
)
1286 struct queue_entry
*entry
= (struct queue_entry
*)urb
->context
;
1287 struct queue_entry_priv_usb_bcn
*bcn_priv
= entry
->priv_data
;
1289 if (!test_bit(DEVICE_STATE_ENABLED_RADIO
, &entry
->queue
->rt2x00dev
->flags
))
1293 * Check if this was the guardian beacon,
1294 * if that was the case we need to send the real beacon now.
1295 * Otherwise we should free the sk_buffer, the device
1296 * should be doing the rest of the work now.
1298 if (bcn_priv
->guardian_urb
== urb
) {
1299 usb_submit_urb(bcn_priv
->urb
, GFP_ATOMIC
);
1300 } else if (bcn_priv
->urb
== urb
) {
1301 dev_kfree_skb(entry
->skb
);
1307 * Device probe functions.
1309 static int rt2500usb_validate_eeprom(struct rt2x00_dev
*rt2x00dev
)
1315 rt2x00usb_eeprom_read(rt2x00dev
, rt2x00dev
->eeprom
, EEPROM_SIZE
);
1318 * Start validation of the data that has been read.
1320 mac
= rt2x00_eeprom_addr(rt2x00dev
, EEPROM_MAC_ADDR_0
);
1321 if (!is_valid_ether_addr(mac
)) {
1322 DECLARE_MAC_BUF(macbuf
);
1324 random_ether_addr(mac
);
1325 EEPROM(rt2x00dev
, "MAC: %s\n", print_mac(macbuf
, mac
));
1328 rt2x00_eeprom_read(rt2x00dev
, EEPROM_ANTENNA
, &word
);
1329 if (word
== 0xffff) {
1330 rt2x00_set_field16(&word
, EEPROM_ANTENNA_NUM
, 2);
1331 rt2x00_set_field16(&word
, EEPROM_ANTENNA_TX_DEFAULT
,
1332 ANTENNA_SW_DIVERSITY
);
1333 rt2x00_set_field16(&word
, EEPROM_ANTENNA_RX_DEFAULT
,
1334 ANTENNA_SW_DIVERSITY
);
1335 rt2x00_set_field16(&word
, EEPROM_ANTENNA_LED_MODE
,
1337 rt2x00_set_field16(&word
, EEPROM_ANTENNA_DYN_TXAGC
, 0);
1338 rt2x00_set_field16(&word
, EEPROM_ANTENNA_HARDWARE_RADIO
, 0);
1339 rt2x00_set_field16(&word
, EEPROM_ANTENNA_RF_TYPE
, RF2522
);
1340 rt2x00_eeprom_write(rt2x00dev
, EEPROM_ANTENNA
, word
);
1341 EEPROM(rt2x00dev
, "Antenna: 0x%04x\n", word
);
1344 rt2x00_eeprom_read(rt2x00dev
, EEPROM_NIC
, &word
);
1345 if (word
== 0xffff) {
1346 rt2x00_set_field16(&word
, EEPROM_NIC_CARDBUS_ACCEL
, 0);
1347 rt2x00_set_field16(&word
, EEPROM_NIC_DYN_BBP_TUNE
, 0);
1348 rt2x00_set_field16(&word
, EEPROM_NIC_CCK_TX_POWER
, 0);
1349 rt2x00_eeprom_write(rt2x00dev
, EEPROM_NIC
, word
);
1350 EEPROM(rt2x00dev
, "NIC: 0x%04x\n", word
);
1353 rt2x00_eeprom_read(rt2x00dev
, EEPROM_CALIBRATE_OFFSET
, &word
);
1354 if (word
== 0xffff) {
1355 rt2x00_set_field16(&word
, EEPROM_CALIBRATE_OFFSET_RSSI
,
1356 DEFAULT_RSSI_OFFSET
);
1357 rt2x00_eeprom_write(rt2x00dev
, EEPROM_CALIBRATE_OFFSET
, word
);
1358 EEPROM(rt2x00dev
, "Calibrate offset: 0x%04x\n", word
);
1361 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE
, &word
);
1362 if (word
== 0xffff) {
1363 rt2x00_set_field16(&word
, EEPROM_BBPTUNE_THRESHOLD
, 45);
1364 rt2x00_eeprom_write(rt2x00dev
, EEPROM_BBPTUNE
, word
);
1365 EEPROM(rt2x00dev
, "BBPtune: 0x%04x\n", word
);
1369 * Switch lower vgc bound to current BBP R17 value,
1370 * lower the value a bit for better quality.
1372 rt2500usb_bbp_read(rt2x00dev
, 17, &bbp
);
1375 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE_VGC
, &word
);
1376 if (word
== 0xffff) {
1377 rt2x00_set_field16(&word
, EEPROM_BBPTUNE_VGCUPPER
, 0x40);
1378 rt2x00_set_field16(&word
, EEPROM_BBPTUNE_VGCLOWER
, bbp
);
1379 rt2x00_eeprom_write(rt2x00dev
, EEPROM_BBPTUNE_VGC
, word
);
1380 EEPROM(rt2x00dev
, "BBPtune vgc: 0x%04x\n", word
);
1382 rt2x00_set_field16(&word
, EEPROM_BBPTUNE_VGCLOWER
, bbp
);
1383 rt2x00_eeprom_write(rt2x00dev
, EEPROM_BBPTUNE_VGC
, word
);
1386 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE_R17
, &word
);
1387 if (word
== 0xffff) {
1388 rt2x00_set_field16(&word
, EEPROM_BBPTUNE_R17_LOW
, 0x48);
1389 rt2x00_set_field16(&word
, EEPROM_BBPTUNE_R17_HIGH
, 0x41);
1390 rt2x00_eeprom_write(rt2x00dev
, EEPROM_BBPTUNE_R17
, word
);
1391 EEPROM(rt2x00dev
, "BBPtune r17: 0x%04x\n", word
);
1394 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE_R24
, &word
);
1395 if (word
== 0xffff) {
1396 rt2x00_set_field16(&word
, EEPROM_BBPTUNE_R24_LOW
, 0x40);
1397 rt2x00_set_field16(&word
, EEPROM_BBPTUNE_R24_HIGH
, 0x80);
1398 rt2x00_eeprom_write(rt2x00dev
, EEPROM_BBPTUNE_R24
, word
);
1399 EEPROM(rt2x00dev
, "BBPtune r24: 0x%04x\n", word
);
1402 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE_R25
, &word
);
1403 if (word
== 0xffff) {
1404 rt2x00_set_field16(&word
, EEPROM_BBPTUNE_R25_LOW
, 0x40);
1405 rt2x00_set_field16(&word
, EEPROM_BBPTUNE_R25_HIGH
, 0x50);
1406 rt2x00_eeprom_write(rt2x00dev
, EEPROM_BBPTUNE_R25
, word
);
1407 EEPROM(rt2x00dev
, "BBPtune r25: 0x%04x\n", word
);
1410 rt2x00_eeprom_read(rt2x00dev
, EEPROM_BBPTUNE_R61
, &word
);
1411 if (word
== 0xffff) {
1412 rt2x00_set_field16(&word
, EEPROM_BBPTUNE_R61_LOW
, 0x60);
1413 rt2x00_set_field16(&word
, EEPROM_BBPTUNE_R61_HIGH
, 0x6d);
1414 rt2x00_eeprom_write(rt2x00dev
, EEPROM_BBPTUNE_R61
, word
);
1415 EEPROM(rt2x00dev
, "BBPtune r61: 0x%04x\n", word
);
1421 static int rt2500usb_init_eeprom(struct rt2x00_dev
*rt2x00dev
)
1428 * Read EEPROM word for configuration.
1430 rt2x00_eeprom_read(rt2x00dev
, EEPROM_ANTENNA
, &eeprom
);
1433 * Identify RF chipset.
1435 value
= rt2x00_get_field16(eeprom
, EEPROM_ANTENNA_RF_TYPE
);
1436 rt2500usb_register_read(rt2x00dev
, MAC_CSR0
, ®
);
1437 rt2x00_set_chip(rt2x00dev
, RT2570
, value
, reg
);
1439 if (!rt2x00_check_rev(&rt2x00dev
->chip
, 0)) {
1440 ERROR(rt2x00dev
, "Invalid RT chipset detected.\n");
1444 if (!rt2x00_rf(&rt2x00dev
->chip
, RF2522
) &&
1445 !rt2x00_rf(&rt2x00dev
->chip
, RF2523
) &&
1446 !rt2x00_rf(&rt2x00dev
->chip
, RF2524
) &&
1447 !rt2x00_rf(&rt2x00dev
->chip
, RF2525
) &&
1448 !rt2x00_rf(&rt2x00dev
->chip
, RF2525E
) &&
1449 !rt2x00_rf(&rt2x00dev
->chip
, RF5222
)) {
1450 ERROR(rt2x00dev
, "Invalid RF chipset detected.\n");
1455 * Identify default antenna configuration.
1457 rt2x00dev
->default_ant
.tx
=
1458 rt2x00_get_field16(eeprom
, EEPROM_ANTENNA_TX_DEFAULT
);
1459 rt2x00dev
->default_ant
.rx
=
1460 rt2x00_get_field16(eeprom
, EEPROM_ANTENNA_RX_DEFAULT
);
1463 * When the eeprom indicates SW_DIVERSITY use HW_DIVERSITY instead.
1464 * I am not 100% sure about this, but the legacy drivers do not
1465 * indicate antenna swapping in software is required when
1466 * diversity is enabled.
1468 if (rt2x00dev
->default_ant
.tx
== ANTENNA_SW_DIVERSITY
)
1469 rt2x00dev
->default_ant
.tx
= ANTENNA_HW_DIVERSITY
;
1470 if (rt2x00dev
->default_ant
.rx
== ANTENNA_SW_DIVERSITY
)
1471 rt2x00dev
->default_ant
.rx
= ANTENNA_HW_DIVERSITY
;
1474 * Store led mode, for correct led behaviour.
1476 #ifdef CONFIG_RT2500USB_LEDS
1477 value
= rt2x00_get_field16(eeprom
, EEPROM_ANTENNA_LED_MODE
);
1479 rt2500usb_init_led(rt2x00dev
, &rt2x00dev
->led_radio
, LED_TYPE_RADIO
);
1480 if (value
== LED_MODE_TXRX_ACTIVITY
)
1481 rt2500usb_init_led(rt2x00dev
, &rt2x00dev
->led_qual
,
1483 #endif /* CONFIG_RT2500USB_LEDS */
1486 * Check if the BBP tuning should be disabled.
1488 rt2x00_eeprom_read(rt2x00dev
, EEPROM_NIC
, &eeprom
);
1489 if (rt2x00_get_field16(eeprom
, EEPROM_NIC_DYN_BBP_TUNE
))
1490 __set_bit(CONFIG_DISABLE_LINK_TUNING
, &rt2x00dev
->flags
);
1493 * Read the RSSI <-> dBm offset information.
1495 rt2x00_eeprom_read(rt2x00dev
, EEPROM_CALIBRATE_OFFSET
, &eeprom
);
1496 rt2x00dev
->rssi_offset
=
1497 rt2x00_get_field16(eeprom
, EEPROM_CALIBRATE_OFFSET_RSSI
);
1503 * RF value list for RF2522
1506 static const struct rf_channel rf_vals_bg_2522
[] = {
1507 { 1, 0x00002050, 0x000c1fda, 0x00000101, 0 },
1508 { 2, 0x00002050, 0x000c1fee, 0x00000101, 0 },
1509 { 3, 0x00002050, 0x000c2002, 0x00000101, 0 },
1510 { 4, 0x00002050, 0x000c2016, 0x00000101, 0 },
1511 { 5, 0x00002050, 0x000c202a, 0x00000101, 0 },
1512 { 6, 0x00002050, 0x000c203e, 0x00000101, 0 },
1513 { 7, 0x00002050, 0x000c2052, 0x00000101, 0 },
1514 { 8, 0x00002050, 0x000c2066, 0x00000101, 0 },
1515 { 9, 0x00002050, 0x000c207a, 0x00000101, 0 },
1516 { 10, 0x00002050, 0x000c208e, 0x00000101, 0 },
1517 { 11, 0x00002050, 0x000c20a2, 0x00000101, 0 },
1518 { 12, 0x00002050, 0x000c20b6, 0x00000101, 0 },
1519 { 13, 0x00002050, 0x000c20ca, 0x00000101, 0 },
1520 { 14, 0x00002050, 0x000c20fa, 0x00000101, 0 },
1524 * RF value list for RF2523
1527 static const struct rf_channel rf_vals_bg_2523
[] = {
1528 { 1, 0x00022010, 0x00000c9e, 0x000e0111, 0x00000a1b },
1529 { 2, 0x00022010, 0x00000ca2, 0x000e0111, 0x00000a1b },
1530 { 3, 0x00022010, 0x00000ca6, 0x000e0111, 0x00000a1b },
1531 { 4, 0x00022010, 0x00000caa, 0x000e0111, 0x00000a1b },
1532 { 5, 0x00022010, 0x00000cae, 0x000e0111, 0x00000a1b },
1533 { 6, 0x00022010, 0x00000cb2, 0x000e0111, 0x00000a1b },
1534 { 7, 0x00022010, 0x00000cb6, 0x000e0111, 0x00000a1b },
1535 { 8, 0x00022010, 0x00000cba, 0x000e0111, 0x00000a1b },
1536 { 9, 0x00022010, 0x00000cbe, 0x000e0111, 0x00000a1b },
1537 { 10, 0x00022010, 0x00000d02, 0x000e0111, 0x00000a1b },
1538 { 11, 0x00022010, 0x00000d06, 0x000e0111, 0x00000a1b },
1539 { 12, 0x00022010, 0x00000d0a, 0x000e0111, 0x00000a1b },
1540 { 13, 0x00022010, 0x00000d0e, 0x000e0111, 0x00000a1b },
1541 { 14, 0x00022010, 0x00000d1a, 0x000e0111, 0x00000a03 },
1545 * RF value list for RF2524
1548 static const struct rf_channel rf_vals_bg_2524
[] = {
1549 { 1, 0x00032020, 0x00000c9e, 0x00000101, 0x00000a1b },
1550 { 2, 0x00032020, 0x00000ca2, 0x00000101, 0x00000a1b },
1551 { 3, 0x00032020, 0x00000ca6, 0x00000101, 0x00000a1b },
1552 { 4, 0x00032020, 0x00000caa, 0x00000101, 0x00000a1b },
1553 { 5, 0x00032020, 0x00000cae, 0x00000101, 0x00000a1b },
1554 { 6, 0x00032020, 0x00000cb2, 0x00000101, 0x00000a1b },
1555 { 7, 0x00032020, 0x00000cb6, 0x00000101, 0x00000a1b },
1556 { 8, 0x00032020, 0x00000cba, 0x00000101, 0x00000a1b },
1557 { 9, 0x00032020, 0x00000cbe, 0x00000101, 0x00000a1b },
1558 { 10, 0x00032020, 0x00000d02, 0x00000101, 0x00000a1b },
1559 { 11, 0x00032020, 0x00000d06, 0x00000101, 0x00000a1b },
1560 { 12, 0x00032020, 0x00000d0a, 0x00000101, 0x00000a1b },
1561 { 13, 0x00032020, 0x00000d0e, 0x00000101, 0x00000a1b },
1562 { 14, 0x00032020, 0x00000d1a, 0x00000101, 0x00000a03 },
1566 * RF value list for RF2525
1569 static const struct rf_channel rf_vals_bg_2525
[] = {
1570 { 1, 0x00022020, 0x00080c9e, 0x00060111, 0x00000a1b },
1571 { 2, 0x00022020, 0x00080ca2, 0x00060111, 0x00000a1b },
1572 { 3, 0x00022020, 0x00080ca6, 0x00060111, 0x00000a1b },
1573 { 4, 0x00022020, 0x00080caa, 0x00060111, 0x00000a1b },
1574 { 5, 0x00022020, 0x00080cae, 0x00060111, 0x00000a1b },
1575 { 6, 0x00022020, 0x00080cb2, 0x00060111, 0x00000a1b },
1576 { 7, 0x00022020, 0x00080cb6, 0x00060111, 0x00000a1b },
1577 { 8, 0x00022020, 0x00080cba, 0x00060111, 0x00000a1b },
1578 { 9, 0x00022020, 0x00080cbe, 0x00060111, 0x00000a1b },
1579 { 10, 0x00022020, 0x00080d02, 0x00060111, 0x00000a1b },
1580 { 11, 0x00022020, 0x00080d06, 0x00060111, 0x00000a1b },
1581 { 12, 0x00022020, 0x00080d0a, 0x00060111, 0x00000a1b },
1582 { 13, 0x00022020, 0x00080d0e, 0x00060111, 0x00000a1b },
1583 { 14, 0x00022020, 0x00080d1a, 0x00060111, 0x00000a03 },
1587 * RF value list for RF2525e
1590 static const struct rf_channel rf_vals_bg_2525e
[] = {
1591 { 1, 0x00022010, 0x0000089a, 0x00060111, 0x00000e1b },
1592 { 2, 0x00022010, 0x0000089e, 0x00060111, 0x00000e07 },
1593 { 3, 0x00022010, 0x0000089e, 0x00060111, 0x00000e1b },
1594 { 4, 0x00022010, 0x000008a2, 0x00060111, 0x00000e07 },
1595 { 5, 0x00022010, 0x000008a2, 0x00060111, 0x00000e1b },
1596 { 6, 0x00022010, 0x000008a6, 0x00060111, 0x00000e07 },
1597 { 7, 0x00022010, 0x000008a6, 0x00060111, 0x00000e1b },
1598 { 8, 0x00022010, 0x000008aa, 0x00060111, 0x00000e07 },
1599 { 9, 0x00022010, 0x000008aa, 0x00060111, 0x00000e1b },
1600 { 10, 0x00022010, 0x000008ae, 0x00060111, 0x00000e07 },
1601 { 11, 0x00022010, 0x000008ae, 0x00060111, 0x00000e1b },
1602 { 12, 0x00022010, 0x000008b2, 0x00060111, 0x00000e07 },
1603 { 13, 0x00022010, 0x000008b2, 0x00060111, 0x00000e1b },
1604 { 14, 0x00022010, 0x000008b6, 0x00060111, 0x00000e23 },
1608 * RF value list for RF5222
1609 * Supports: 2.4 GHz & 5.2 GHz
1611 static const struct rf_channel rf_vals_5222
[] = {
1612 { 1, 0x00022020, 0x00001136, 0x00000101, 0x00000a0b },
1613 { 2, 0x00022020, 0x0000113a, 0x00000101, 0x00000a0b },
1614 { 3, 0x00022020, 0x0000113e, 0x00000101, 0x00000a0b },
1615 { 4, 0x00022020, 0x00001182, 0x00000101, 0x00000a0b },
1616 { 5, 0x00022020, 0x00001186, 0x00000101, 0x00000a0b },
1617 { 6, 0x00022020, 0x0000118a, 0x00000101, 0x00000a0b },
1618 { 7, 0x00022020, 0x0000118e, 0x00000101, 0x00000a0b },
1619 { 8, 0x00022020, 0x00001192, 0x00000101, 0x00000a0b },
1620 { 9, 0x00022020, 0x00001196, 0x00000101, 0x00000a0b },
1621 { 10, 0x00022020, 0x0000119a, 0x00000101, 0x00000a0b },
1622 { 11, 0x00022020, 0x0000119e, 0x00000101, 0x00000a0b },
1623 { 12, 0x00022020, 0x000011a2, 0x00000101, 0x00000a0b },
1624 { 13, 0x00022020, 0x000011a6, 0x00000101, 0x00000a0b },
1625 { 14, 0x00022020, 0x000011ae, 0x00000101, 0x00000a1b },
1627 /* 802.11 UNI / HyperLan 2 */
1628 { 36, 0x00022010, 0x00018896, 0x00000101, 0x00000a1f },
1629 { 40, 0x00022010, 0x0001889a, 0x00000101, 0x00000a1f },
1630 { 44, 0x00022010, 0x0001889e, 0x00000101, 0x00000a1f },
1631 { 48, 0x00022010, 0x000188a2, 0x00000101, 0x00000a1f },
1632 { 52, 0x00022010, 0x000188a6, 0x00000101, 0x00000a1f },
1633 { 66, 0x00022010, 0x000188aa, 0x00000101, 0x00000a1f },
1634 { 60, 0x00022010, 0x000188ae, 0x00000101, 0x00000a1f },
1635 { 64, 0x00022010, 0x000188b2, 0x00000101, 0x00000a1f },
1637 /* 802.11 HyperLan 2 */
1638 { 100, 0x00022010, 0x00008802, 0x00000101, 0x00000a0f },
1639 { 104, 0x00022010, 0x00008806, 0x00000101, 0x00000a0f },
1640 { 108, 0x00022010, 0x0000880a, 0x00000101, 0x00000a0f },
1641 { 112, 0x00022010, 0x0000880e, 0x00000101, 0x00000a0f },
1642 { 116, 0x00022010, 0x00008812, 0x00000101, 0x00000a0f },
1643 { 120, 0x00022010, 0x00008816, 0x00000101, 0x00000a0f },
1644 { 124, 0x00022010, 0x0000881a, 0x00000101, 0x00000a0f },
1645 { 128, 0x00022010, 0x0000881e, 0x00000101, 0x00000a0f },
1646 { 132, 0x00022010, 0x00008822, 0x00000101, 0x00000a0f },
1647 { 136, 0x00022010, 0x00008826, 0x00000101, 0x00000a0f },
1650 { 140, 0x00022010, 0x0000882a, 0x00000101, 0x00000a0f },
1651 { 149, 0x00022020, 0x000090a6, 0x00000101, 0x00000a07 },
1652 { 153, 0x00022020, 0x000090ae, 0x00000101, 0x00000a07 },
1653 { 157, 0x00022020, 0x000090b6, 0x00000101, 0x00000a07 },
1654 { 161, 0x00022020, 0x000090be, 0x00000101, 0x00000a07 },
1657 static int rt2500usb_probe_hw_mode(struct rt2x00_dev
*rt2x00dev
)
1659 struct hw_mode_spec
*spec
= &rt2x00dev
->spec
;
1660 struct channel_info
*info
;
1665 * Initialize all hw fields.
1667 rt2x00dev
->hw
->flags
=
1668 IEEE80211_HW_RX_INCLUDES_FCS
|
1669 IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING
|
1670 IEEE80211_HW_SIGNAL_DBM
;
1672 rt2x00dev
->hw
->extra_tx_headroom
= TXD_DESC_SIZE
;
1674 SET_IEEE80211_DEV(rt2x00dev
->hw
, rt2x00dev
->dev
);
1675 SET_IEEE80211_PERM_ADDR(rt2x00dev
->hw
,
1676 rt2x00_eeprom_addr(rt2x00dev
,
1677 EEPROM_MAC_ADDR_0
));
1680 * Initialize hw_mode information.
1682 spec
->supported_bands
= SUPPORT_BAND_2GHZ
;
1683 spec
->supported_rates
= SUPPORT_RATE_CCK
| SUPPORT_RATE_OFDM
;
1685 if (rt2x00_rf(&rt2x00dev
->chip
, RF2522
)) {
1686 spec
->num_channels
= ARRAY_SIZE(rf_vals_bg_2522
);
1687 spec
->channels
= rf_vals_bg_2522
;
1688 } else if (rt2x00_rf(&rt2x00dev
->chip
, RF2523
)) {
1689 spec
->num_channels
= ARRAY_SIZE(rf_vals_bg_2523
);
1690 spec
->channels
= rf_vals_bg_2523
;
1691 } else if (rt2x00_rf(&rt2x00dev
->chip
, RF2524
)) {
1692 spec
->num_channels
= ARRAY_SIZE(rf_vals_bg_2524
);
1693 spec
->channels
= rf_vals_bg_2524
;
1694 } else if (rt2x00_rf(&rt2x00dev
->chip
, RF2525
)) {
1695 spec
->num_channels
= ARRAY_SIZE(rf_vals_bg_2525
);
1696 spec
->channels
= rf_vals_bg_2525
;
1697 } else if (rt2x00_rf(&rt2x00dev
->chip
, RF2525E
)) {
1698 spec
->num_channels
= ARRAY_SIZE(rf_vals_bg_2525e
);
1699 spec
->channels
= rf_vals_bg_2525e
;
1700 } else if (rt2x00_rf(&rt2x00dev
->chip
, RF5222
)) {
1701 spec
->supported_bands
|= SUPPORT_BAND_5GHZ
;
1702 spec
->num_channels
= ARRAY_SIZE(rf_vals_5222
);
1703 spec
->channels
= rf_vals_5222
;
1707 * Create channel information array
1709 info
= kzalloc(spec
->num_channels
* sizeof(*info
), GFP_KERNEL
);
1713 spec
->channels_info
= info
;
1715 tx_power
= rt2x00_eeprom_addr(rt2x00dev
, EEPROM_TXPOWER_START
);
1716 for (i
= 0; i
< 14; i
++)
1717 info
[i
].tx_power1
= TXPOWER_FROM_DEV(tx_power
[i
]);
1719 if (spec
->num_channels
> 14) {
1720 for (i
= 14; i
< spec
->num_channels
; i
++)
1721 info
[i
].tx_power1
= DEFAULT_TXPOWER
;
1727 static int rt2500usb_probe_hw(struct rt2x00_dev
*rt2x00dev
)
1732 * Allocate eeprom data.
1734 retval
= rt2500usb_validate_eeprom(rt2x00dev
);
1738 retval
= rt2500usb_init_eeprom(rt2x00dev
);
1743 * Initialize hw specifications.
1745 retval
= rt2500usb_probe_hw_mode(rt2x00dev
);
1750 * This device requires the atim queue
1752 __set_bit(DRIVER_REQUIRE_ATIM_QUEUE
, &rt2x00dev
->flags
);
1753 __set_bit(DRIVER_REQUIRE_BEACON_GUARD
, &rt2x00dev
->flags
);
1754 __set_bit(DRIVER_REQUIRE_SCHEDULED
, &rt2x00dev
->flags
);
1755 __set_bit(CONFIG_DISABLE_LINK_TUNING
, &rt2x00dev
->flags
);
1758 * Set the rssi offset.
1760 rt2x00dev
->rssi_offset
= DEFAULT_RSSI_OFFSET
;
1765 static const struct ieee80211_ops rt2500usb_mac80211_ops
= {
1767 .start
= rt2x00mac_start
,
1768 .stop
= rt2x00mac_stop
,
1769 .add_interface
= rt2x00mac_add_interface
,
1770 .remove_interface
= rt2x00mac_remove_interface
,
1771 .config
= rt2x00mac_config
,
1772 .config_interface
= rt2x00mac_config_interface
,
1773 .configure_filter
= rt2x00mac_configure_filter
,
1774 .get_stats
= rt2x00mac_get_stats
,
1775 .bss_info_changed
= rt2x00mac_bss_info_changed
,
1776 .conf_tx
= rt2x00mac_conf_tx
,
1777 .get_tx_stats
= rt2x00mac_get_tx_stats
,
1780 static const struct rt2x00lib_ops rt2500usb_rt2x00_ops
= {
1781 .probe_hw
= rt2500usb_probe_hw
,
1782 .initialize
= rt2x00usb_initialize
,
1783 .uninitialize
= rt2x00usb_uninitialize
,
1784 .init_rxentry
= rt2x00usb_init_rxentry
,
1785 .init_txentry
= rt2x00usb_init_txentry
,
1786 .set_device_state
= rt2500usb_set_device_state
,
1787 .link_stats
= rt2500usb_link_stats
,
1788 .reset_tuner
= rt2500usb_reset_tuner
,
1789 .link_tuner
= rt2500usb_link_tuner
,
1790 .write_tx_desc
= rt2500usb_write_tx_desc
,
1791 .write_tx_data
= rt2x00usb_write_tx_data
,
1792 .write_beacon
= rt2500usb_write_beacon
,
1793 .get_tx_data_len
= rt2500usb_get_tx_data_len
,
1794 .kick_tx_queue
= rt2500usb_kick_tx_queue
,
1795 .fill_rxdone
= rt2500usb_fill_rxdone
,
1796 .config_filter
= rt2500usb_config_filter
,
1797 .config_intf
= rt2500usb_config_intf
,
1798 .config_erp
= rt2500usb_config_erp
,
1799 .config
= rt2500usb_config
,
1802 static const struct data_queue_desc rt2500usb_queue_rx
= {
1803 .entry_num
= RX_ENTRIES
,
1804 .data_size
= DATA_FRAME_SIZE
,
1805 .desc_size
= RXD_DESC_SIZE
,
1806 .priv_size
= sizeof(struct queue_entry_priv_usb
),
1809 static const struct data_queue_desc rt2500usb_queue_tx
= {
1810 .entry_num
= TX_ENTRIES
,
1811 .data_size
= DATA_FRAME_SIZE
,
1812 .desc_size
= TXD_DESC_SIZE
,
1813 .priv_size
= sizeof(struct queue_entry_priv_usb
),
1816 static const struct data_queue_desc rt2500usb_queue_bcn
= {
1817 .entry_num
= BEACON_ENTRIES
,
1818 .data_size
= MGMT_FRAME_SIZE
,
1819 .desc_size
= TXD_DESC_SIZE
,
1820 .priv_size
= sizeof(struct queue_entry_priv_usb_bcn
),
1823 static const struct data_queue_desc rt2500usb_queue_atim
= {
1824 .entry_num
= ATIM_ENTRIES
,
1825 .data_size
= DATA_FRAME_SIZE
,
1826 .desc_size
= TXD_DESC_SIZE
,
1827 .priv_size
= sizeof(struct queue_entry_priv_usb
),
1830 static const struct rt2x00_ops rt2500usb_ops
= {
1831 .name
= KBUILD_MODNAME
,
1834 .eeprom_size
= EEPROM_SIZE
,
1836 .tx_queues
= NUM_TX_QUEUES
,
1837 .rx
= &rt2500usb_queue_rx
,
1838 .tx
= &rt2500usb_queue_tx
,
1839 .bcn
= &rt2500usb_queue_bcn
,
1840 .atim
= &rt2500usb_queue_atim
,
1841 .lib
= &rt2500usb_rt2x00_ops
,
1842 .hw
= &rt2500usb_mac80211_ops
,
1843 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
1844 .debugfs
= &rt2500usb_rt2x00debug
,
1845 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
1849 * rt2500usb module information.
1851 static struct usb_device_id rt2500usb_device_table
[] = {
1853 { USB_DEVICE(0x0b05, 0x1706), USB_DEVICE_DATA(&rt2500usb_ops
) },
1854 { USB_DEVICE(0x0b05, 0x1707), USB_DEVICE_DATA(&rt2500usb_ops
) },
1856 { USB_DEVICE(0x050d, 0x7050), USB_DEVICE_DATA(&rt2500usb_ops
) },
1857 { USB_DEVICE(0x050d, 0x7051), USB_DEVICE_DATA(&rt2500usb_ops
) },
1858 { USB_DEVICE(0x050d, 0x705a), USB_DEVICE_DATA(&rt2500usb_ops
) },
1860 { USB_DEVICE(0x13b1, 0x000d), USB_DEVICE_DATA(&rt2500usb_ops
) },
1861 { USB_DEVICE(0x13b1, 0x0011), USB_DEVICE_DATA(&rt2500usb_ops
) },
1862 { USB_DEVICE(0x13b1, 0x001a), USB_DEVICE_DATA(&rt2500usb_ops
) },
1864 { USB_DEVICE(0x14b2, 0x3c02), USB_DEVICE_DATA(&rt2500usb_ops
) },
1866 { USB_DEVICE(0x2001, 0x3c00), USB_DEVICE_DATA(&rt2500usb_ops
) },
1868 { USB_DEVICE(0x1044, 0x8001), USB_DEVICE_DATA(&rt2500usb_ops
) },
1869 { USB_DEVICE(0x1044, 0x8007), USB_DEVICE_DATA(&rt2500usb_ops
) },
1871 { USB_DEVICE(0x06f8, 0xe000), USB_DEVICE_DATA(&rt2500usb_ops
) },
1873 { USB_DEVICE(0x0411, 0x005e), USB_DEVICE_DATA(&rt2500usb_ops
) },
1874 { USB_DEVICE(0x0411, 0x0066), USB_DEVICE_DATA(&rt2500usb_ops
) },
1875 { USB_DEVICE(0x0411, 0x0067), USB_DEVICE_DATA(&rt2500usb_ops
) },
1876 { USB_DEVICE(0x0411, 0x008b), USB_DEVICE_DATA(&rt2500usb_ops
) },
1877 { USB_DEVICE(0x0411, 0x0097), USB_DEVICE_DATA(&rt2500usb_ops
) },
1879 { USB_DEVICE(0x0db0, 0x6861), USB_DEVICE_DATA(&rt2500usb_ops
) },
1880 { USB_DEVICE(0x0db0, 0x6865), USB_DEVICE_DATA(&rt2500usb_ops
) },
1881 { USB_DEVICE(0x0db0, 0x6869), USB_DEVICE_DATA(&rt2500usb_ops
) },
1883 { USB_DEVICE(0x148f, 0x1706), USB_DEVICE_DATA(&rt2500usb_ops
) },
1884 { USB_DEVICE(0x148f, 0x2570), USB_DEVICE_DATA(&rt2500usb_ops
) },
1885 { USB_DEVICE(0x148f, 0x2573), USB_DEVICE_DATA(&rt2500usb_ops
) },
1886 { USB_DEVICE(0x148f, 0x9020), USB_DEVICE_DATA(&rt2500usb_ops
) },
1888 { USB_DEVICE(0x0681, 0x3c06), USB_DEVICE_DATA(&rt2500usb_ops
) },
1890 { USB_DEVICE(0x0707, 0xee13), USB_DEVICE_DATA(&rt2500usb_ops
) },
1892 { USB_DEVICE(0x114b, 0x0110), USB_DEVICE_DATA(&rt2500usb_ops
) },
1894 { USB_DEVICE(0x0eb0, 0x9020), USB_DEVICE_DATA(&rt2500usb_ops
) },
1896 { USB_DEVICE(0x5a57, 0x0260), USB_DEVICE_DATA(&rt2500usb_ops
) },
1900 MODULE_AUTHOR(DRV_PROJECT
);
1901 MODULE_VERSION(DRV_VERSION
);
1902 MODULE_DESCRIPTION("Ralink RT2500 USB Wireless LAN driver.");
1903 MODULE_SUPPORTED_DEVICE("Ralink RT2570 USB chipset based cards");
1904 MODULE_DEVICE_TABLE(usb
, rt2500usb_device_table
);
1905 MODULE_LICENSE("GPL");
1907 static struct usb_driver rt2500usb_driver
= {
1908 .name
= KBUILD_MODNAME
,
1909 .id_table
= rt2500usb_device_table
,
1910 .probe
= rt2x00usb_probe
,
1911 .disconnect
= rt2x00usb_disconnect
,
1912 .suspend
= rt2x00usb_suspend
,
1913 .resume
= rt2x00usb_resume
,
1916 static int __init
rt2500usb_init(void)
1918 return usb_register(&rt2500usb_driver
);
1921 static void __exit
rt2500usb_exit(void)
1923 usb_deregister(&rt2500usb_driver
);
1926 module_init(rt2500usb_init
);
1927 module_exit(rt2500usb_exit
);