2 Copyright (C) 2010 Willow Garage <http://www.willowgarage.com>
3 Copyright (C) 2009 - 2010 Ivo van Doorn <IvDoorn@gmail.com>
4 Copyright (C) 2009 Mattias Nissler <mattias.nissler@gmx.de>
5 Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org>
6 Copyright (C) 2009 Xose Vazquez Perez <xose.vazquez@gmail.com>
7 Copyright (C) 2009 Axel Kollhofer <rain_maker@root-forum.org>
8 <http://rt2x00.serialmonkey.com>
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the
22 Free Software Foundation, Inc.,
23 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
28 Abstract: rt2800usb device specific routines.
29 Supported chipsets: RT2800U.
32 #include <linux/delay.h>
33 #include <linux/etherdevice.h>
34 #include <linux/init.h>
35 #include <linux/kernel.h>
36 #include <linux/module.h>
37 #include <linux/usb.h>
40 #include "rt2x00usb.h"
41 #include "rt2800lib.h"
43 #include "rt2800usb.h"
46 * Allow hardware encryption to be disabled.
48 static int modparam_nohwcrypt
;
49 module_param_named(nohwcrypt
, modparam_nohwcrypt
, bool, S_IRUGO
);
50 MODULE_PARM_DESC(nohwcrypt
, "Disable hardware encryption.");
55 static void rt2800usb_start_queue(struct data_queue
*queue
)
57 struct rt2x00_dev
*rt2x00dev
= queue
->rt2x00dev
;
62 rt2x00usb_register_read(rt2x00dev
, MAC_SYS_CTRL
, ®
);
63 rt2x00_set_field32(®
, MAC_SYS_CTRL_ENABLE_RX
, 1);
64 rt2x00usb_register_write(rt2x00dev
, MAC_SYS_CTRL
, reg
);
67 rt2x00usb_register_read(rt2x00dev
, BCN_TIME_CFG
, ®
);
68 rt2x00_set_field32(®
, BCN_TIME_CFG_TSF_TICKING
, 1);
69 rt2x00_set_field32(®
, BCN_TIME_CFG_TBTT_ENABLE
, 1);
70 rt2x00_set_field32(®
, BCN_TIME_CFG_BEACON_GEN
, 1);
71 rt2x00usb_register_write(rt2x00dev
, BCN_TIME_CFG
, reg
);
78 static void rt2800usb_stop_queue(struct data_queue
*queue
)
80 struct rt2x00_dev
*rt2x00dev
= queue
->rt2x00dev
;
85 rt2x00usb_register_read(rt2x00dev
, MAC_SYS_CTRL
, ®
);
86 rt2x00_set_field32(®
, MAC_SYS_CTRL_ENABLE_RX
, 0);
87 rt2x00usb_register_write(rt2x00dev
, MAC_SYS_CTRL
, reg
);
90 rt2x00usb_register_read(rt2x00dev
, BCN_TIME_CFG
, ®
);
91 rt2x00_set_field32(®
, BCN_TIME_CFG_TSF_TICKING
, 0);
92 rt2x00_set_field32(®
, BCN_TIME_CFG_TBTT_ENABLE
, 0);
93 rt2x00_set_field32(®
, BCN_TIME_CFG_BEACON_GEN
, 0);
94 rt2x00usb_register_write(rt2x00dev
, BCN_TIME_CFG
, reg
);
102 * test if there is an entry in any TX queue for which DMA is done
103 * but the TX status has not been returned yet
105 static bool rt2800usb_txstatus_pending(struct rt2x00_dev
*rt2x00dev
)
107 struct data_queue
*queue
;
109 tx_queue_for_each(rt2x00dev
, queue
) {
110 if (rt2x00queue_get_entry(queue
, Q_INDEX_DMA_DONE
) !=
111 rt2x00queue_get_entry(queue
, Q_INDEX_DONE
))
117 static bool rt2800usb_tx_sta_fifo_read_completed(struct rt2x00_dev
*rt2x00dev
,
118 int urb_status
, u32 tx_status
)
121 WARNING(rt2x00dev
, "rt2x00usb_register_read_async failed: %d\n", urb_status
);
125 /* try to read all TX_STA_FIFO entries before scheduling txdone_work */
126 if (rt2x00_get_field32(tx_status
, TX_STA_FIFO_VALID
)) {
127 if (!kfifo_put(&rt2x00dev
->txstatus_fifo
, &tx_status
)) {
128 WARNING(rt2x00dev
, "TX status FIFO overrun, "
129 "drop tx status report.\n");
130 queue_work(rt2x00dev
->workqueue
, &rt2x00dev
->txdone_work
);
133 } else if (!kfifo_is_empty(&rt2x00dev
->txstatus_fifo
)) {
134 queue_work(rt2x00dev
->workqueue
, &rt2x00dev
->txdone_work
);
135 } else if (rt2800usb_txstatus_pending(rt2x00dev
)) {
136 mod_timer(&rt2x00dev
->txstatus_timer
, jiffies
+ msecs_to_jiffies(2));
142 static void rt2800usb_tx_dma_done(struct queue_entry
*entry
)
144 struct rt2x00_dev
*rt2x00dev
= entry
->queue
->rt2x00dev
;
146 rt2x00usb_register_read_async(rt2x00dev
, TX_STA_FIFO
,
147 rt2800usb_tx_sta_fifo_read_completed
);
150 static void rt2800usb_tx_sta_fifo_timeout(unsigned long data
)
152 struct rt2x00_dev
*rt2x00dev
= (struct rt2x00_dev
*)data
;
154 rt2x00usb_register_read_async(rt2x00dev
, TX_STA_FIFO
,
155 rt2800usb_tx_sta_fifo_read_completed
);
161 static char *rt2800usb_get_firmware_name(struct rt2x00_dev
*rt2x00dev
)
163 return FIRMWARE_RT2870
;
166 static int rt2800usb_write_firmware(struct rt2x00_dev
*rt2x00dev
,
167 const u8
*data
, const size_t len
)
174 * Check which section of the firmware we need.
176 if (rt2x00_rt(rt2x00dev
, RT2860
) ||
177 rt2x00_rt(rt2x00dev
, RT2872
) ||
178 rt2x00_rt(rt2x00dev
, RT3070
)) {
187 * Write firmware to device.
189 rt2x00usb_register_multiwrite(rt2x00dev
, FIRMWARE_IMAGE_BASE
,
190 data
+ offset
, length
);
192 rt2x00usb_register_write(rt2x00dev
, H2M_MAILBOX_CID
, ~0);
193 rt2x00usb_register_write(rt2x00dev
, H2M_MAILBOX_STATUS
, ~0);
196 * Send firmware request to device to load firmware,
197 * we need to specify a long timeout time.
199 status
= rt2x00usb_vendor_request_sw(rt2x00dev
, USB_DEVICE_MODE
,
200 0, USB_MODE_FIRMWARE
,
201 REGISTER_TIMEOUT_FIRMWARE
);
203 ERROR(rt2x00dev
, "Failed to write Firmware to device.\n");
208 rt2x00usb_register_write(rt2x00dev
, H2M_MAILBOX_CSR
, 0);
214 * Device state switch handlers.
216 static int rt2800usb_init_registers(struct rt2x00_dev
*rt2x00dev
)
221 * Wait until BBP and RF are ready.
223 if (rt2800_wait_csr_ready(rt2x00dev
))
226 rt2x00usb_register_read(rt2x00dev
, PBF_SYS_CTRL
, ®
);
227 rt2x00usb_register_write(rt2x00dev
, PBF_SYS_CTRL
, reg
& ~0x00002000);
229 rt2x00usb_register_write(rt2x00dev
, PWR_PIN_CFG
, 0x00000003);
231 rt2x00usb_register_read(rt2x00dev
, MAC_SYS_CTRL
, ®
);
232 rt2x00_set_field32(®
, MAC_SYS_CTRL_RESET_CSR
, 1);
233 rt2x00_set_field32(®
, MAC_SYS_CTRL_RESET_BBP
, 1);
234 rt2x00usb_register_write(rt2x00dev
, MAC_SYS_CTRL
, reg
);
236 rt2x00usb_register_write(rt2x00dev
, USB_DMA_CFG
, 0x00000000);
238 rt2x00usb_vendor_request_sw(rt2x00dev
, USB_DEVICE_MODE
, 0,
239 USB_MODE_RESET
, REGISTER_TIMEOUT
);
241 rt2x00usb_register_write(rt2x00dev
, MAC_SYS_CTRL
, 0x00000000);
246 static int rt2800usb_enable_radio(struct rt2x00_dev
*rt2x00dev
)
250 if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev
)))
253 rt2x00usb_register_read(rt2x00dev
, USB_DMA_CFG
, ®
);
254 rt2x00_set_field32(®
, USB_DMA_CFG_PHY_CLEAR
, 0);
255 rt2x00_set_field32(®
, USB_DMA_CFG_RX_BULK_AGG_EN
, 0);
256 rt2x00_set_field32(®
, USB_DMA_CFG_RX_BULK_AGG_TIMEOUT
, 128);
258 * Total room for RX frames in kilobytes, PBF might still exceed
259 * this limit so reduce the number to prevent errors.
261 rt2x00_set_field32(®
, USB_DMA_CFG_RX_BULK_AGG_LIMIT
,
262 ((rt2x00dev
->ops
->rx
->entry_num
* DATA_FRAME_SIZE
)
264 rt2x00_set_field32(®
, USB_DMA_CFG_RX_BULK_EN
, 1);
265 rt2x00_set_field32(®
, USB_DMA_CFG_TX_BULK_EN
, 1);
266 rt2x00usb_register_write(rt2x00dev
, USB_DMA_CFG
, reg
);
268 return rt2800_enable_radio(rt2x00dev
);
271 static void rt2800usb_disable_radio(struct rt2x00_dev
*rt2x00dev
)
273 rt2800_disable_radio(rt2x00dev
);
274 rt2x00usb_disable_radio(rt2x00dev
);
277 static int rt2800usb_set_state(struct rt2x00_dev
*rt2x00dev
,
278 enum dev_state state
)
280 if (state
== STATE_AWAKE
)
281 rt2800_mcu_request(rt2x00dev
, MCU_WAKEUP
, 0xff, 0, 2);
283 rt2800_mcu_request(rt2x00dev
, MCU_SLEEP
, 0xff, 0xff, 2);
288 static int rt2800usb_set_device_state(struct rt2x00_dev
*rt2x00dev
,
289 enum dev_state state
)
296 * Before the radio can be enabled, the device first has
297 * to be woken up. After that it needs a bit of time
298 * to be fully awake and then the radio can be enabled.
300 rt2800usb_set_state(rt2x00dev
, STATE_AWAKE
);
302 retval
= rt2800usb_enable_radio(rt2x00dev
);
304 case STATE_RADIO_OFF
:
306 * After the radio has been disabled, the device should
307 * be put to sleep for powersaving.
309 rt2800usb_disable_radio(rt2x00dev
);
310 rt2800usb_set_state(rt2x00dev
, STATE_SLEEP
);
312 case STATE_RADIO_IRQ_ON
:
313 case STATE_RADIO_IRQ_OFF
:
314 /* No support, but no error either */
316 case STATE_DEEP_SLEEP
:
320 retval
= rt2800usb_set_state(rt2x00dev
, state
);
327 if (unlikely(retval
))
328 ERROR(rt2x00dev
, "Device failed to enter state %d (%d).\n",
337 static void rt2800usb_watchdog(struct rt2x00_dev
*rt2x00dev
)
342 rt2x00usb_register_read(rt2x00dev
, TXRXQ_PCNT
, ®
);
343 if (rt2x00_get_field32(reg
, TXRXQ_PCNT_TX0Q
)) {
344 WARNING(rt2x00dev
, "TX HW queue 0 timed out,"
345 " invoke forced kick\n");
347 rt2x00usb_register_write(rt2x00dev
, PBF_CFG
, 0xf40012);
349 for (i
= 0; i
< 10; i
++) {
351 if (!rt2x00_get_field32(reg
, TXRXQ_PCNT_TX0Q
))
355 rt2x00usb_register_write(rt2x00dev
, PBF_CFG
, 0xf40006);
358 rt2x00usb_register_read(rt2x00dev
, TXRXQ_PCNT
, ®
);
359 if (rt2x00_get_field32(reg
, TXRXQ_PCNT_TX1Q
)) {
360 WARNING(rt2x00dev
, "TX HW queue 1 timed out,"
361 " invoke forced kick\n");
363 rt2x00usb_register_write(rt2x00dev
, PBF_CFG
, 0xf4000a);
365 for (i
= 0; i
< 10; i
++) {
367 if (!rt2x00_get_field32(reg
, TXRXQ_PCNT_TX1Q
))
371 rt2x00usb_register_write(rt2x00dev
, PBF_CFG
, 0xf40006);
374 rt2x00usb_watchdog(rt2x00dev
);
378 * TX descriptor initialization
380 static __le32
*rt2800usb_get_txwi(struct queue_entry
*entry
)
382 if (entry
->queue
->qid
== QID_BEACON
)
383 return (__le32
*) (entry
->skb
->data
);
385 return (__le32
*) (entry
->skb
->data
+ TXINFO_DESC_SIZE
);
388 static void rt2800usb_write_tx_desc(struct queue_entry
*entry
,
389 struct txentry_desc
*txdesc
)
391 struct skb_frame_desc
*skbdesc
= get_skb_frame_desc(entry
->skb
);
392 __le32
*txi
= (__le32
*) entry
->skb
->data
;
396 * Initialize TXINFO descriptor
398 rt2x00_desc_read(txi
, 0, &word
);
401 * The size of TXINFO_W0_USB_DMA_TX_PKT_LEN is
402 * TXWI + 802.11 header + L2 pad + payload + pad,
403 * so need to decrease size of TXINFO and USB end pad.
405 rt2x00_set_field32(&word
, TXINFO_W0_USB_DMA_TX_PKT_LEN
,
406 entry
->skb
->len
- TXINFO_DESC_SIZE
- 4);
407 rt2x00_set_field32(&word
, TXINFO_W0_WIV
,
408 !test_bit(ENTRY_TXD_ENCRYPT_IV
, &txdesc
->flags
));
409 rt2x00_set_field32(&word
, TXINFO_W0_QSEL
, 2);
410 rt2x00_set_field32(&word
, TXINFO_W0_SW_USE_LAST_ROUND
, 0);
411 rt2x00_set_field32(&word
, TXINFO_W0_USB_DMA_NEXT_VALID
, 0);
412 rt2x00_set_field32(&word
, TXINFO_W0_USB_DMA_TX_BURST
,
413 test_bit(ENTRY_TXD_BURST
, &txdesc
->flags
));
414 rt2x00_desc_write(txi
, 0, word
);
417 * Register descriptor details in skb frame descriptor.
419 skbdesc
->flags
|= SKBDESC_DESC_IN_SKB
;
421 skbdesc
->desc_len
= TXINFO_DESC_SIZE
+ TXWI_DESC_SIZE
;
424 static void rt2800usb_write_tx_data(struct queue_entry
*entry
,
425 struct txentry_desc
*txdesc
)
430 rt2800_write_tx_data(entry
, txdesc
);
433 * pad(1~3 bytes) is added after each 802.11 payload.
434 * USB end pad(4 bytes) is added at each USB bulk out packet end.
435 * TX frame format is :
436 * | TXINFO | TXWI | 802.11 header | L2 pad | payload | pad | USB end pad |
437 * |<------------- tx_pkt_len ------------->|
439 len
= roundup(entry
->skb
->len
, 4) + 4;
440 err
= skb_padto(entry
->skb
, len
);
442 WARNING(entry
->queue
->rt2x00dev
, "TX SKB padding error, out of memory\n");
446 entry
->skb
->len
= len
;
450 * TX data initialization
452 static int rt2800usb_get_tx_data_len(struct queue_entry
*entry
)
454 return entry
->skb
->len
;
458 * TX control handlers
460 static bool rt2800usb_txdone_entry_check(struct queue_entry
*entry
, u32 reg
)
465 int tx_wcid
, tx_ack
, tx_pid
;
467 if (test_bit(ENTRY_OWNER_DEVICE_DATA
, &entry
->flags
) ||
468 !test_bit(ENTRY_DATA_STATUS_PENDING
, &entry
->flags
)) {
469 WARNING(entry
->queue
->rt2x00dev
,
470 "Data pending for entry %u in queue %u\n",
471 entry
->entry_idx
, entry
->queue
->qid
);
476 wcid
= rt2x00_get_field32(reg
, TX_STA_FIFO_WCID
);
477 ack
= rt2x00_get_field32(reg
, TX_STA_FIFO_TX_ACK_REQUIRED
);
478 pid
= rt2x00_get_field32(reg
, TX_STA_FIFO_PID_TYPE
);
481 * This frames has returned with an IO error,
482 * so the status report is not intended for this
485 if (test_bit(ENTRY_DATA_IO_FAILED
, &entry
->flags
)) {
486 rt2x00lib_txdone_noinfo(entry
, TXDONE_FAILURE
);
491 * Validate if this TX status report is intended for
492 * this entry by comparing the WCID/ACK/PID fields.
494 txwi
= rt2800usb_get_txwi(entry
);
496 rt2x00_desc_read(txwi
, 1, &word
);
497 tx_wcid
= rt2x00_get_field32(word
, TXWI_W1_WIRELESS_CLI_ID
);
498 tx_ack
= rt2x00_get_field32(word
, TXWI_W1_ACK
);
499 tx_pid
= rt2x00_get_field32(word
, TXWI_W1_PACKETID
);
501 if ((wcid
!= tx_wcid
) || (ack
!= tx_ack
) || (pid
!= tx_pid
)) {
502 WARNING(entry
->queue
->rt2x00dev
,
503 "TX status report missed for queue %d entry %d\n",
504 entry
->queue
->qid
, entry
->entry_idx
);
505 rt2x00lib_txdone_noinfo(entry
, TXDONE_UNKNOWN
);
512 static void rt2800usb_txdone(struct rt2x00_dev
*rt2x00dev
)
514 struct data_queue
*queue
;
515 struct queue_entry
*entry
;
519 while (kfifo_get(&rt2x00dev
->txstatus_fifo
, ®
)) {
521 /* TX_STA_FIFO_PID_QUEUE is a 2-bit field, thus
522 * qid is guaranteed to be one of the TX QIDs
524 qid
= rt2x00_get_field32(reg
, TX_STA_FIFO_PID_QUEUE
);
525 queue
= rt2x00queue_get_tx_queue(rt2x00dev
, qid
);
526 if (unlikely(!queue
)) {
527 WARNING(rt2x00dev
, "Got TX status for an unavailable "
528 "queue %u, dropping\n", qid
);
533 * Inside each queue, we process each entry in a chronological
534 * order. We first check that the queue is not empty.
537 while (!rt2x00queue_empty(queue
)) {
538 entry
= rt2x00queue_get_entry(queue
, Q_INDEX_DONE
);
539 if (rt2800usb_txdone_entry_check(entry
, reg
))
545 rt2800_txdone_entry(entry
, reg
);
549 static void rt2800usb_work_txdone(struct work_struct
*work
)
551 struct rt2x00_dev
*rt2x00dev
=
552 container_of(work
, struct rt2x00_dev
, txdone_work
);
553 struct data_queue
*queue
;
554 struct queue_entry
*entry
;
556 rt2800usb_txdone(rt2x00dev
);
559 * Process any trailing TX status reports for IO failures,
560 * we loop until we find the first non-IO error entry. This
561 * can either be a frame which is free, is being uploaded,
562 * or has completed the upload but didn't have an entry
563 * in the TX_STAT_FIFO register yet.
565 tx_queue_for_each(rt2x00dev
, queue
) {
566 while (!rt2x00queue_empty(queue
)) {
567 entry
= rt2x00queue_get_entry(queue
, Q_INDEX_DONE
);
569 if (test_bit(ENTRY_OWNER_DEVICE_DATA
, &entry
->flags
) ||
570 !test_bit(ENTRY_DATA_STATUS_PENDING
, &entry
->flags
))
573 if (test_bit(ENTRY_DATA_IO_FAILED
, &entry
->flags
))
574 rt2x00lib_txdone_noinfo(entry
, TXDONE_FAILURE
);
575 else if (rt2x00queue_status_timeout(entry
))
576 rt2x00lib_txdone_noinfo(entry
, TXDONE_UNKNOWN
);
583 * The hw may delay sending the packet after DMA complete
584 * if the medium is busy, thus the TX_STA_FIFO entry is
585 * also delayed -> use a timer to retrieve it.
587 if (rt2800usb_txstatus_pending(rt2x00dev
))
588 mod_timer(&rt2x00dev
->txstatus_timer
, jiffies
+ msecs_to_jiffies(2));
592 * RX control handlers
594 static void rt2800usb_fill_rxdone(struct queue_entry
*entry
,
595 struct rxdone_entry_desc
*rxdesc
)
597 struct skb_frame_desc
*skbdesc
= get_skb_frame_desc(entry
->skb
);
598 __le32
*rxi
= (__le32
*)entry
->skb
->data
;
604 * Copy descriptor to the skbdesc->desc buffer, making it safe from
605 * moving of frame data in rt2x00usb.
607 memcpy(skbdesc
->desc
, rxi
, skbdesc
->desc_len
);
610 * RX frame format is :
611 * | RXINFO | RXWI | header | L2 pad | payload | pad | RXD | USB pad |
612 * |<------------ rx_pkt_len -------------->|
614 rt2x00_desc_read(rxi
, 0, &word
);
615 rx_pkt_len
= rt2x00_get_field32(word
, RXINFO_W0_USB_DMA_RX_PKT_LEN
);
618 * Remove the RXINFO structure from the sbk.
620 skb_pull(entry
->skb
, RXINFO_DESC_SIZE
);
623 * FIXME: we need to check for rx_pkt_len validity
625 rxd
= (__le32
*)(entry
->skb
->data
+ rx_pkt_len
);
628 * It is now safe to read the descriptor on all architectures.
630 rt2x00_desc_read(rxd
, 0, &word
);
632 if (rt2x00_get_field32(word
, RXD_W0_CRC_ERROR
))
633 rxdesc
->flags
|= RX_FLAG_FAILED_FCS_CRC
;
635 rxdesc
->cipher_status
= rt2x00_get_field32(word
, RXD_W0_CIPHER_ERROR
);
637 if (rt2x00_get_field32(word
, RXD_W0_DECRYPTED
)) {
639 * Hardware has stripped IV/EIV data from 802.11 frame during
640 * decryption. Unfortunately the descriptor doesn't contain
641 * any fields with the EIV/IV data either, so they can't
642 * be restored by rt2x00lib.
644 rxdesc
->flags
|= RX_FLAG_IV_STRIPPED
;
647 * The hardware has already checked the Michael Mic and has
648 * stripped it from the frame. Signal this to mac80211.
650 rxdesc
->flags
|= RX_FLAG_MMIC_STRIPPED
;
652 if (rxdesc
->cipher_status
== RX_CRYPTO_SUCCESS
)
653 rxdesc
->flags
|= RX_FLAG_DECRYPTED
;
654 else if (rxdesc
->cipher_status
== RX_CRYPTO_FAIL_MIC
)
655 rxdesc
->flags
|= RX_FLAG_MMIC_ERROR
;
658 if (rt2x00_get_field32(word
, RXD_W0_MY_BSS
))
659 rxdesc
->dev_flags
|= RXDONE_MY_BSS
;
661 if (rt2x00_get_field32(word
, RXD_W0_L2PAD
))
662 rxdesc
->dev_flags
|= RXDONE_L2PAD
;
665 * Remove RXD descriptor from end of buffer.
667 skb_trim(entry
->skb
, rx_pkt_len
);
670 * Process the RXWI structure.
672 rt2800_process_rxwi(entry
, rxdesc
);
676 * Device probe functions.
678 static int rt2800usb_validate_eeprom(struct rt2x00_dev
*rt2x00dev
)
680 if (rt2800_efuse_detect(rt2x00dev
))
681 rt2800_read_eeprom_efuse(rt2x00dev
);
683 rt2x00usb_eeprom_read(rt2x00dev
, rt2x00dev
->eeprom
,
686 return rt2800_validate_eeprom(rt2x00dev
);
689 static int rt2800usb_probe_hw(struct rt2x00_dev
*rt2x00dev
)
694 * Allocate eeprom data.
696 retval
= rt2800usb_validate_eeprom(rt2x00dev
);
700 retval
= rt2800_init_eeprom(rt2x00dev
);
705 * Initialize hw specifications.
707 retval
= rt2800_probe_hw_mode(rt2x00dev
);
712 * This device has multiple filters for control frames
713 * and has a separate filter for PS Poll frames.
715 __set_bit(CAPABILITY_CONTROL_FILTERS
, &rt2x00dev
->cap_flags
);
716 __set_bit(CAPABILITY_CONTROL_FILTER_PSPOLL
, &rt2x00dev
->cap_flags
);
719 * This device requires firmware.
721 __set_bit(REQUIRE_FIRMWARE
, &rt2x00dev
->cap_flags
);
722 __set_bit(REQUIRE_L2PAD
, &rt2x00dev
->cap_flags
);
723 if (!modparam_nohwcrypt
)
724 __set_bit(CAPABILITY_HW_CRYPTO
, &rt2x00dev
->cap_flags
);
725 __set_bit(CAPABILITY_LINK_TUNING
, &rt2x00dev
->cap_flags
);
726 __set_bit(REQUIRE_HT_TX_DESC
, &rt2x00dev
->cap_flags
);
727 __set_bit(REQUIRE_TXSTATUS_FIFO
, &rt2x00dev
->cap_flags
);
728 __set_bit(REQUIRE_PS_AUTOWAKE
, &rt2x00dev
->cap_flags
);
730 setup_timer(&rt2x00dev
->txstatus_timer
,
731 rt2800usb_tx_sta_fifo_timeout
,
732 (unsigned long) rt2x00dev
);
735 * Set the rssi offset.
737 rt2x00dev
->rssi_offset
= DEFAULT_RSSI_OFFSET
;
740 * Overwrite TX done handler
742 PREPARE_WORK(&rt2x00dev
->txdone_work
, rt2800usb_work_txdone
);
747 static const struct ieee80211_ops rt2800usb_mac80211_ops
= {
749 .start
= rt2x00mac_start
,
750 .stop
= rt2x00mac_stop
,
751 .add_interface
= rt2x00mac_add_interface
,
752 .remove_interface
= rt2x00mac_remove_interface
,
753 .config
= rt2x00mac_config
,
754 .configure_filter
= rt2x00mac_configure_filter
,
755 .set_tim
= rt2x00mac_set_tim
,
756 .set_key
= rt2x00mac_set_key
,
757 .sw_scan_start
= rt2x00mac_sw_scan_start
,
758 .sw_scan_complete
= rt2x00mac_sw_scan_complete
,
759 .get_stats
= rt2x00mac_get_stats
,
760 .get_tkip_seq
= rt2800_get_tkip_seq
,
761 .set_rts_threshold
= rt2800_set_rts_threshold
,
762 .bss_info_changed
= rt2x00mac_bss_info_changed
,
763 .conf_tx
= rt2800_conf_tx
,
764 .get_tsf
= rt2800_get_tsf
,
765 .rfkill_poll
= rt2x00mac_rfkill_poll
,
766 .ampdu_action
= rt2800_ampdu_action
,
767 .flush
= rt2x00mac_flush
,
768 .get_survey
= rt2800_get_survey
,
769 .get_ringparam
= rt2x00mac_get_ringparam
,
770 .tx_frames_pending
= rt2x00mac_tx_frames_pending
,
773 static const struct rt2800_ops rt2800usb_rt2800_ops
= {
774 .register_read
= rt2x00usb_register_read
,
775 .register_read_lock
= rt2x00usb_register_read_lock
,
776 .register_write
= rt2x00usb_register_write
,
777 .register_write_lock
= rt2x00usb_register_write_lock
,
778 .register_multiread
= rt2x00usb_register_multiread
,
779 .register_multiwrite
= rt2x00usb_register_multiwrite
,
780 .regbusy_read
= rt2x00usb_regbusy_read
,
781 .drv_write_firmware
= rt2800usb_write_firmware
,
782 .drv_init_registers
= rt2800usb_init_registers
,
783 .drv_get_txwi
= rt2800usb_get_txwi
,
786 static const struct rt2x00lib_ops rt2800usb_rt2x00_ops
= {
787 .probe_hw
= rt2800usb_probe_hw
,
788 .get_firmware_name
= rt2800usb_get_firmware_name
,
789 .check_firmware
= rt2800_check_firmware
,
790 .load_firmware
= rt2800_load_firmware
,
791 .initialize
= rt2x00usb_initialize
,
792 .uninitialize
= rt2x00usb_uninitialize
,
793 .clear_entry
= rt2x00usb_clear_entry
,
794 .set_device_state
= rt2800usb_set_device_state
,
795 .rfkill_poll
= rt2800_rfkill_poll
,
796 .link_stats
= rt2800_link_stats
,
797 .reset_tuner
= rt2800_reset_tuner
,
798 .link_tuner
= rt2800_link_tuner
,
799 .gain_calibration
= rt2800_gain_calibration
,
800 .watchdog
= rt2800usb_watchdog
,
801 .start_queue
= rt2800usb_start_queue
,
802 .kick_queue
= rt2x00usb_kick_queue
,
803 .stop_queue
= rt2800usb_stop_queue
,
804 .flush_queue
= rt2x00usb_flush_queue
,
805 .tx_dma_done
= rt2800usb_tx_dma_done
,
806 .write_tx_desc
= rt2800usb_write_tx_desc
,
807 .write_tx_data
= rt2800usb_write_tx_data
,
808 .write_beacon
= rt2800_write_beacon
,
809 .clear_beacon
= rt2800_clear_beacon
,
810 .get_tx_data_len
= rt2800usb_get_tx_data_len
,
811 .fill_rxdone
= rt2800usb_fill_rxdone
,
812 .config_shared_key
= rt2800_config_shared_key
,
813 .config_pairwise_key
= rt2800_config_pairwise_key
,
814 .config_filter
= rt2800_config_filter
,
815 .config_intf
= rt2800_config_intf
,
816 .config_erp
= rt2800_config_erp
,
817 .config_ant
= rt2800_config_ant
,
818 .config
= rt2800_config
,
821 static const struct data_queue_desc rt2800usb_queue_rx
= {
823 .data_size
= AGGREGATION_SIZE
,
824 .desc_size
= RXINFO_DESC_SIZE
+ RXWI_DESC_SIZE
,
825 .priv_size
= sizeof(struct queue_entry_priv_usb
),
828 static const struct data_queue_desc rt2800usb_queue_tx
= {
830 .data_size
= AGGREGATION_SIZE
,
831 .desc_size
= TXINFO_DESC_SIZE
+ TXWI_DESC_SIZE
,
832 .priv_size
= sizeof(struct queue_entry_priv_usb
),
835 static const struct data_queue_desc rt2800usb_queue_bcn
= {
837 .data_size
= MGMT_FRAME_SIZE
,
838 .desc_size
= TXINFO_DESC_SIZE
+ TXWI_DESC_SIZE
,
839 .priv_size
= sizeof(struct queue_entry_priv_usb
),
842 static const struct rt2x00_ops rt2800usb_ops
= {
843 .name
= KBUILD_MODNAME
,
846 .eeprom_size
= EEPROM_SIZE
,
848 .tx_queues
= NUM_TX_QUEUES
,
849 .extra_tx_headroom
= TXINFO_DESC_SIZE
+ TXWI_DESC_SIZE
,
850 .rx
= &rt2800usb_queue_rx
,
851 .tx
= &rt2800usb_queue_tx
,
852 .bcn
= &rt2800usb_queue_bcn
,
853 .lib
= &rt2800usb_rt2x00_ops
,
854 .drv
= &rt2800usb_rt2800_ops
,
855 .hw
= &rt2800usb_mac80211_ops
,
856 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
857 .debugfs
= &rt2800_rt2x00debug
,
858 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
862 * rt2800usb module information.
864 static struct usb_device_id rt2800usb_device_table
[] = {
866 { USB_DEVICE(0x07b8, 0x2870) },
867 { USB_DEVICE(0x07b8, 0x2770) },
868 { USB_DEVICE(0x07b8, 0x3070) },
869 { USB_DEVICE(0x07b8, 0x3071) },
870 { USB_DEVICE(0x07b8, 0x3072) },
871 { USB_DEVICE(0x1482, 0x3c09) },
873 { USB_DEVICE(0x1eda, 0x2012) },
874 { USB_DEVICE(0x1eda, 0x2310) },
876 { USB_DEVICE(0x8516, 0x2070) },
877 { USB_DEVICE(0x8516, 0x2770) },
878 { USB_DEVICE(0x8516, 0x2870) },
879 { USB_DEVICE(0x8516, 0x3070) },
880 { USB_DEVICE(0x8516, 0x3071) },
881 { USB_DEVICE(0x8516, 0x3072) },
883 { USB_DEVICE(0x14b2, 0x3c06) },
884 { USB_DEVICE(0x14b2, 0x3c07) },
885 { USB_DEVICE(0x14b2, 0x3c09) },
886 { USB_DEVICE(0x14b2, 0x3c12) },
887 { USB_DEVICE(0x14b2, 0x3c23) },
888 { USB_DEVICE(0x14b2, 0x3c25) },
889 { USB_DEVICE(0x14b2, 0x3c27) },
890 { USB_DEVICE(0x14b2, 0x3c28) },
891 { USB_DEVICE(0x14b2, 0x3c2c) },
893 { USB_DEVICE(0x15c5, 0x0008) },
895 { USB_DEVICE(0x1690, 0x0740) },
897 { USB_DEVICE(0x0b05, 0x1731) },
898 { USB_DEVICE(0x0b05, 0x1732) },
899 { USB_DEVICE(0x0b05, 0x1742) },
900 { USB_DEVICE(0x0b05, 0x1784) },
901 { USB_DEVICE(0x1761, 0x0b05) },
903 { USB_DEVICE(0x13d3, 0x3247) },
904 { USB_DEVICE(0x13d3, 0x3273) },
905 { USB_DEVICE(0x13d3, 0x3305) },
906 { USB_DEVICE(0x13d3, 0x3307) },
907 { USB_DEVICE(0x13d3, 0x3321) },
909 { USB_DEVICE(0x050d, 0x8053) },
910 { USB_DEVICE(0x050d, 0x805c) },
911 { USB_DEVICE(0x050d, 0x815c) },
912 { USB_DEVICE(0x050d, 0x825b) },
913 { USB_DEVICE(0x050d, 0x935a) },
914 { USB_DEVICE(0x050d, 0x935b) },
916 { USB_DEVICE(0x0411, 0x00e8) },
917 { USB_DEVICE(0x0411, 0x016f) },
918 { USB_DEVICE(0x0411, 0x01a2) },
920 { USB_DEVICE(0x07aa, 0x002f) },
921 { USB_DEVICE(0x07aa, 0x003c) },
922 { USB_DEVICE(0x07aa, 0x003f) },
923 { USB_DEVICE(0x18c5, 0x0012) },
925 { USB_DEVICE(0x07d1, 0x3c09) },
926 { USB_DEVICE(0x07d1, 0x3c0a) },
927 { USB_DEVICE(0x07d1, 0x3c0d) },
928 { USB_DEVICE(0x07d1, 0x3c0e) },
929 { USB_DEVICE(0x07d1, 0x3c0f) },
930 { USB_DEVICE(0x07d1, 0x3c11) },
931 { USB_DEVICE(0x07d1, 0x3c16) },
933 { USB_DEVICE(0x07fa, 0x7712) },
935 { USB_DEVICE(0x0fe9, 0xb307) },
937 { USB_DEVICE(0x7392, 0x7711) },
938 { USB_DEVICE(0x7392, 0x7717) },
939 { USB_DEVICE(0x7392, 0x7718) },
941 { USB_DEVICE(0x203d, 0x1480) },
942 { USB_DEVICE(0x203d, 0x14a9) },
944 { USB_DEVICE(0x1740, 0x9701) },
945 { USB_DEVICE(0x1740, 0x9702) },
946 { USB_DEVICE(0x1740, 0x9703) },
947 { USB_DEVICE(0x1740, 0x9705) },
948 { USB_DEVICE(0x1740, 0x9706) },
949 { USB_DEVICE(0x1740, 0x9707) },
950 { USB_DEVICE(0x1740, 0x9708) },
951 { USB_DEVICE(0x1740, 0x9709) },
953 { USB_DEVICE(0x15a9, 0x0012) },
955 { USB_DEVICE(0x1044, 0x800b) },
956 { USB_DEVICE(0x1044, 0x800d) },
958 { USB_DEVICE(0x0e66, 0x0001) },
959 { USB_DEVICE(0x0e66, 0x0003) },
960 { USB_DEVICE(0x0e66, 0x0009) },
961 { USB_DEVICE(0x0e66, 0x000b) },
962 { USB_DEVICE(0x0e66, 0x0013) },
963 { USB_DEVICE(0x0e66, 0x0017) },
964 { USB_DEVICE(0x0e66, 0x0018) },
966 { USB_DEVICE(0x04bb, 0x0945) },
967 { USB_DEVICE(0x04bb, 0x0947) },
968 { USB_DEVICE(0x04bb, 0x0948) },
970 { USB_DEVICE(0x13b1, 0x0031) },
971 { USB_DEVICE(0x1737, 0x0070) },
972 { USB_DEVICE(0x1737, 0x0071) },
974 { USB_DEVICE(0x0789, 0x0162) },
975 { USB_DEVICE(0x0789, 0x0163) },
976 { USB_DEVICE(0x0789, 0x0164) },
977 { USB_DEVICE(0x0789, 0x0166) },
979 { USB_DEVICE(0x100d, 0x9031) },
981 { USB_DEVICE(0x0db0, 0x3820) },
982 { USB_DEVICE(0x0db0, 0x3821) },
983 { USB_DEVICE(0x0db0, 0x3822) },
984 { USB_DEVICE(0x0db0, 0x3870) },
985 { USB_DEVICE(0x0db0, 0x3871) },
986 { USB_DEVICE(0x0db0, 0x6899) },
987 { USB_DEVICE(0x0db0, 0x821a) },
988 { USB_DEVICE(0x0db0, 0x822a) },
989 { USB_DEVICE(0x0db0, 0x822b) },
990 { USB_DEVICE(0x0db0, 0x822c) },
991 { USB_DEVICE(0x0db0, 0x870a) },
992 { USB_DEVICE(0x0db0, 0x871a) },
993 { USB_DEVICE(0x0db0, 0x871b) },
994 { USB_DEVICE(0x0db0, 0x871c) },
995 { USB_DEVICE(0x0db0, 0x899a) },
997 { USB_DEVICE(0x20b8, 0x8888) },
999 { USB_DEVICE(0x1d4d, 0x000c) },
1000 { USB_DEVICE(0x1d4d, 0x000e) },
1001 { USB_DEVICE(0x1d4d, 0x0011) },
1003 { USB_DEVICE(0x0471, 0x200f) },
1005 { USB_DEVICE(0x2019, 0xab25) },
1006 { USB_DEVICE(0x2019, 0xed06) },
1008 { USB_DEVICE(0x1a32, 0x0304) },
1010 { USB_DEVICE(0x148f, 0x2070) },
1011 { USB_DEVICE(0x148f, 0x2770) },
1012 { USB_DEVICE(0x148f, 0x2870) },
1013 { USB_DEVICE(0x148f, 0x3070) },
1014 { USB_DEVICE(0x148f, 0x3071) },
1015 { USB_DEVICE(0x148f, 0x3072) },
1017 { USB_DEVICE(0x04e8, 0x2018) },
1019 { USB_DEVICE(0x129b, 0x1828) },
1021 { USB_DEVICE(0x0df6, 0x0017) },
1022 { USB_DEVICE(0x0df6, 0x002b) },
1023 { USB_DEVICE(0x0df6, 0x002c) },
1024 { USB_DEVICE(0x0df6, 0x002d) },
1025 { USB_DEVICE(0x0df6, 0x0039) },
1026 { USB_DEVICE(0x0df6, 0x003b) },
1027 { USB_DEVICE(0x0df6, 0x003d) },
1028 { USB_DEVICE(0x0df6, 0x003e) },
1029 { USB_DEVICE(0x0df6, 0x003f) },
1030 { USB_DEVICE(0x0df6, 0x0040) },
1031 { USB_DEVICE(0x0df6, 0x0042) },
1032 { USB_DEVICE(0x0df6, 0x0047) },
1033 { USB_DEVICE(0x0df6, 0x0048) },
1034 { USB_DEVICE(0x0df6, 0x0051) },
1035 { USB_DEVICE(0x0df6, 0x005f) },
1036 { USB_DEVICE(0x0df6, 0x0060) },
1038 { USB_DEVICE(0x083a, 0x6618) },
1039 { USB_DEVICE(0x083a, 0x7511) },
1040 { USB_DEVICE(0x083a, 0x7512) },
1041 { USB_DEVICE(0x083a, 0x7522) },
1042 { USB_DEVICE(0x083a, 0x8522) },
1043 { USB_DEVICE(0x083a, 0xa618) },
1044 { USB_DEVICE(0x083a, 0xa701) },
1045 { USB_DEVICE(0x083a, 0xa702) },
1046 { USB_DEVICE(0x083a, 0xa703) },
1047 { USB_DEVICE(0x083a, 0xb522) },
1049 { USB_DEVICE(0x15a9, 0x0006) },
1051 { USB_DEVICE(0x177f, 0x0302) },
1053 { USB_DEVICE(0x157e, 0x300e) },
1054 { USB_DEVICE(0x157e, 0x3013) },
1056 { USB_DEVICE(0x0cde, 0x0022) },
1057 { USB_DEVICE(0x0cde, 0x0025) },
1059 { USB_DEVICE(0x5a57, 0x0280) },
1060 { USB_DEVICE(0x5a57, 0x0282) },
1061 { USB_DEVICE(0x5a57, 0x0283) },
1062 { USB_DEVICE(0x5a57, 0x5257) },
1064 { USB_DEVICE(0x0586, 0x3416) },
1065 { USB_DEVICE(0x0586, 0x3418) },
1066 { USB_DEVICE(0x0586, 0x341e) },
1067 { USB_DEVICE(0x0586, 0x343e) },
1068 #ifdef CONFIG_RT2800USB_RT33XX
1070 { USB_DEVICE(0x050d, 0x945b) },
1072 { USB_DEVICE(0x148f, 0x3370) },
1073 { USB_DEVICE(0x148f, 0x8070) },
1075 { USB_DEVICE(0x0df6, 0x0050) },
1077 #ifdef CONFIG_RT2800USB_RT35XX
1079 { USB_DEVICE(0x8516, 0x3572) },
1081 { USB_DEVICE(0x1690, 0x0744) },
1083 { USB_DEVICE(0x167b, 0x4001) },
1085 { USB_DEVICE(0x1740, 0x9801) },
1087 { USB_DEVICE(0x04bb, 0x0944) },
1089 { USB_DEVICE(0x13b1, 0x002f) },
1090 { USB_DEVICE(0x1737, 0x0079) },
1092 { USB_DEVICE(0x148f, 0x3572) },
1094 { USB_DEVICE(0x0df6, 0x0041) },
1095 { USB_DEVICE(0x0df6, 0x0062) },
1097 { USB_DEVICE(0x0930, 0x0a07) },
1099 { USB_DEVICE(0x5a57, 0x0284) },
1101 #ifdef CONFIG_RT2800USB_RT53XX
1103 { USB_DEVICE(0x13d3, 0x3329) },
1104 { USB_DEVICE(0x13d3, 0x3365) },
1106 { USB_DEVICE(0x148f, 0x5370) },
1107 { USB_DEVICE(0x148f, 0x5372) },
1109 #ifdef CONFIG_RT2800USB_UNKNOWN
1111 * Unclear what kind of devices these are (they aren't supported by the
1112 * vendor linux driver).
1115 { USB_DEVICE(0x07b8, 0x3073) },
1116 { USB_DEVICE(0x07b8, 0x3074) },
1117 /* Alpha Networks */
1118 { USB_DEVICE(0x14b2, 0x3c08) },
1119 { USB_DEVICE(0x14b2, 0x3c11) },
1121 { USB_DEVICE(0x0e0b, 0x9031) },
1122 { USB_DEVICE(0x0e0b, 0x9041) },
1124 { USB_DEVICE(0x0b05, 0x166a) },
1125 { USB_DEVICE(0x0b05, 0x1760) },
1126 { USB_DEVICE(0x0b05, 0x1761) },
1127 { USB_DEVICE(0x0b05, 0x1790) },
1128 { USB_DEVICE(0x0b05, 0x179d) },
1130 { USB_DEVICE(0x13d3, 0x3262) },
1131 { USB_DEVICE(0x13d3, 0x3284) },
1132 { USB_DEVICE(0x13d3, 0x3322) },
1134 { USB_DEVICE(0x050d, 0x1003) },
1135 { USB_DEVICE(0x050d, 0x825a) },
1137 { USB_DEVICE(0x0411, 0x012e) },
1138 { USB_DEVICE(0x0411, 0x0148) },
1139 { USB_DEVICE(0x0411, 0x0150) },
1140 { USB_DEVICE(0x0411, 0x015d) },
1142 { USB_DEVICE(0x07aa, 0x0041) },
1143 { USB_DEVICE(0x07aa, 0x0042) },
1144 { USB_DEVICE(0x18c5, 0x0008) },
1146 { USB_DEVICE(0x07d1, 0x3c0b) },
1147 { USB_DEVICE(0x07d1, 0x3c13) },
1148 { USB_DEVICE(0x07d1, 0x3c15) },
1149 { USB_DEVICE(0x07d1, 0x3c17) },
1150 { USB_DEVICE(0x2001, 0x3c17) },
1152 { USB_DEVICE(0x7392, 0x4085) },
1153 { USB_DEVICE(0x7392, 0x7722) },
1155 { USB_DEVICE(0x203d, 0x14a1) },
1157 { USB_DEVICE(0x15a9, 0x0010) },
1159 { USB_DEVICE(0x1044, 0x800c) },
1161 { USB_DEVICE(0x148f, 0xf101) },
1163 { USB_DEVICE(0x04bb, 0x094b) },
1165 { USB_DEVICE(0x1740, 0x0605) },
1166 { USB_DEVICE(0x1740, 0x0615) },
1168 { USB_DEVICE(0x1737, 0x0077) },
1169 { USB_DEVICE(0x1737, 0x0078) },
1171 { USB_DEVICE(0x0789, 0x0168) },
1172 { USB_DEVICE(0x0789, 0x0169) },
1174 { USB_DEVICE(0x100d, 0x9032) },
1176 { USB_DEVICE(0x1b75, 0x3071) },
1177 { USB_DEVICE(0x1b75, 0x3072) },
1179 { USB_DEVICE(0x05a6, 0x0101) },
1180 { USB_DEVICE(0x1d4d, 0x0002) },
1181 { USB_DEVICE(0x1d4d, 0x0010) },
1183 { USB_DEVICE(0x2019, 0x5201) },
1184 { USB_DEVICE(0x2019, 0xab24) },
1186 { USB_DEVICE(0x18e8, 0x6259) },
1188 { USB_DEVICE(0x08b9, 0x1197) },
1190 { USB_DEVICE(0x0df6, 0x003c) },
1191 { USB_DEVICE(0x0df6, 0x004a) },
1192 { USB_DEVICE(0x0df6, 0x004d) },
1193 { USB_DEVICE(0x0df6, 0x0053) },
1195 { USB_DEVICE(0x083a, 0xa512) },
1196 { USB_DEVICE(0x083a, 0xc522) },
1197 { USB_DEVICE(0x083a, 0xd522) },
1198 { USB_DEVICE(0x083a, 0xf511) },
1200 { USB_DEVICE(0x177f, 0x0153) },
1201 { USB_DEVICE(0x177f, 0x0313) },
1203 { USB_DEVICE(0x0586, 0x341a) },
1208 MODULE_AUTHOR(DRV_PROJECT
);
1209 MODULE_VERSION(DRV_VERSION
);
1210 MODULE_DESCRIPTION("Ralink RT2800 USB Wireless LAN driver.");
1211 MODULE_SUPPORTED_DEVICE("Ralink RT2870 USB chipset based cards");
1212 MODULE_DEVICE_TABLE(usb
, rt2800usb_device_table
);
1213 MODULE_FIRMWARE(FIRMWARE_RT2870
);
1214 MODULE_LICENSE("GPL");
1216 static int rt2800usb_probe(struct usb_interface
*usb_intf
,
1217 const struct usb_device_id
*id
)
1219 return rt2x00usb_probe(usb_intf
, &rt2800usb_ops
);
1222 static struct usb_driver rt2800usb_driver
= {
1223 .name
= KBUILD_MODNAME
,
1224 .id_table
= rt2800usb_device_table
,
1225 .probe
= rt2800usb_probe
,
1226 .disconnect
= rt2x00usb_disconnect
,
1227 .suspend
= rt2x00usb_suspend
,
1228 .resume
= rt2x00usb_resume
,
1231 static int __init
rt2800usb_init(void)
1233 return usb_register(&rt2800usb_driver
);
1236 static void __exit
rt2800usb_exit(void)
1238 usb_deregister(&rt2800usb_driver
);
1241 module_init(rt2800usb_init
);
1242 module_exit(rt2800usb_exit
);