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,
546 rt2800usb_get_txwi(entry));
550 static void rt2800usb_work_txdone(struct work_struct *work)
552 struct rt2x00_dev *rt2x00dev =
553 container_of(work, struct rt2x00_dev, txdone_work);
554 struct data_queue *queue;
555 struct queue_entry *entry;
557 rt2800usb_txdone(rt2x00dev);
560 * Process any trailing TX status reports for IO failures,
561 * we loop until we find the first non-IO error entry. This
562 * can either be a frame which is free, is being uploaded,
563 * or has completed the upload but didn't have an entry
564 * in the TX_STAT_FIFO register yet.
566 tx_queue_for_each(rt2x00dev, queue) {
567 while (!rt2x00queue_empty(queue)) {
568 entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
570 if (test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags) ||
571 !test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))
574 if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags))
575 rt2x00lib_txdone_noinfo(entry, TXDONE_FAILURE);
576 else if (rt2x00queue_status_timeout(entry))
577 rt2x00lib_txdone_noinfo(entry, TXDONE_UNKNOWN);
584 * The hw may delay sending the packet after DMA complete
585 * if the medium is busy, thus the TX_STA_FIFO entry is
586 * also delayed -> use a timer to retrieve it.
588 if (rt2800usb_txstatus_pending(rt2x00dev))
589 mod_timer(&rt2x00dev->txstatus_timer, jiffies + msecs_to_jiffies(2));
593 * RX control handlers
595 static void rt2800usb_fill_rxdone(struct queue_entry *entry,
596 struct rxdone_entry_desc *rxdesc)
598 struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
599 __le32 *rxi = (__le32 *)entry->skb->data;
605 * Copy descriptor to the skbdesc->desc buffer, making it safe from
606 * moving of frame data in rt2x00usb.
608 memcpy(skbdesc->desc, rxi, skbdesc->desc_len);
611 * RX frame format is :
612 * | RXINFO | RXWI | header | L2 pad | payload | pad | RXD | USB pad |
613 * |<------------ rx_pkt_len -------------->|
615 rt2x00_desc_read(rxi, 0, &word);
616 rx_pkt_len = rt2x00_get_field32(word, RXINFO_W0_USB_DMA_RX_PKT_LEN);
619 * Remove the RXINFO structure from the sbk.
621 skb_pull(entry->skb, RXINFO_DESC_SIZE);
624 * Check for rx_pkt_len validity. Return if invalid, leaving
625 * rxdesc->size zeroed out by the upper level.
627 if (unlikely(rx_pkt_len == 0 ||
628 rx_pkt_len > entry->queue->data_size)) {
629 ERROR(entry->queue->rt2x00dev,
630 "Bad frame size %d, forcing to 0\n", rx_pkt_len);
634 rxd = (__le32 *)(entry->skb->data + rx_pkt_len);
637 * It is now safe to read the descriptor on all architectures.
639 rt2x00_desc_read(rxd, 0, &word);
641 if (rt2x00_get_field32(word, RXD_W0_CRC_ERROR))
642 rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
644 rxdesc->cipher_status = rt2x00_get_field32(word, RXD_W0_CIPHER_ERROR);
646 if (rt2x00_get_field32(word, RXD_W0_DECRYPTED)) {
648 * Hardware has stripped IV/EIV data from 802.11 frame during
649 * decryption. Unfortunately the descriptor doesn't contain
650 * any fields with the EIV/IV data either, so they can't
651 * be restored by rt2x00lib.
653 rxdesc->flags |= RX_FLAG_IV_STRIPPED;
656 * The hardware has already checked the Michael Mic and has
657 * stripped it from the frame. Signal this to mac80211.
659 rxdesc->flags |= RX_FLAG_MMIC_STRIPPED;
661 if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS)
662 rxdesc->flags |= RX_FLAG_DECRYPTED;
663 else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC)
664 rxdesc->flags |= RX_FLAG_MMIC_ERROR;
667 if (rt2x00_get_field32(word, RXD_W0_MY_BSS))
668 rxdesc->dev_flags |= RXDONE_MY_BSS;
670 if (rt2x00_get_field32(word, RXD_W0_L2PAD))
671 rxdesc->dev_flags |= RXDONE_L2PAD;
674 * Remove RXD descriptor from end of buffer.
676 skb_trim(entry->skb, rx_pkt_len);
679 * Process the RXWI structure.
681 rt2800_process_rxwi(entry, rxdesc);
685 * Device probe functions.
687 static int rt2800usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
689 if (rt2800_efuse_detect(rt2x00dev))
690 rt2800_read_eeprom_efuse(rt2x00dev);
692 rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom,
695 return rt2800_validate_eeprom(rt2x00dev);
698 static int rt2800usb_probe_hw(struct rt2x00_dev *rt2x00dev)
704 * Allocate eeprom data.
706 retval = rt2800usb_validate_eeprom(rt2x00dev);
710 retval = rt2800_init_eeprom(rt2x00dev);
715 * Enable rfkill polling by setting GPIO direction of the
716 * rfkill switch GPIO pin correctly.
718 rt2x00usb_register_read(rt2x00dev, GPIO_CTRL_CFG, ®);
719 rt2x00_set_field32(®, GPIO_CTRL_CFG_GPIOD_BIT2, 1);
720 rt2x00usb_register_write(rt2x00dev, GPIO_CTRL_CFG, reg);
723 * Initialize hw specifications.
725 retval = rt2800_probe_hw_mode(rt2x00dev);
730 * This device has multiple filters for control frames
731 * and has a separate filter for PS Poll frames.
733 __set_bit(CAPABILITY_CONTROL_FILTERS, &rt2x00dev->cap_flags);
734 __set_bit(CAPABILITY_CONTROL_FILTER_PSPOLL, &rt2x00dev->cap_flags);
737 * This device requires firmware.
739 __set_bit(REQUIRE_FIRMWARE, &rt2x00dev->cap_flags);
740 __set_bit(REQUIRE_L2PAD, &rt2x00dev->cap_flags);
741 if (!modparam_nohwcrypt)
742 __set_bit(CAPABILITY_HW_CRYPTO, &rt2x00dev->cap_flags);
743 __set_bit(CAPABILITY_LINK_TUNING, &rt2x00dev->cap_flags);
744 __set_bit(REQUIRE_HT_TX_DESC, &rt2x00dev->cap_flags);
745 __set_bit(REQUIRE_TXSTATUS_FIFO, &rt2x00dev->cap_flags);
746 __set_bit(REQUIRE_PS_AUTOWAKE, &rt2x00dev->cap_flags);
748 setup_timer(&rt2x00dev->txstatus_timer,
749 rt2800usb_tx_sta_fifo_timeout,
750 (unsigned long) rt2x00dev);
753 * Set the rssi offset.
755 rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
758 * Overwrite TX done handler
760 PREPARE_WORK(&rt2x00dev->txdone_work, rt2800usb_work_txdone);
765 static const struct ieee80211_ops rt2800usb_mac80211_ops = {
767 .start = rt2x00mac_start,
768 .stop = rt2x00mac_stop,
769 .add_interface = rt2x00mac_add_interface,
770 .remove_interface = rt2x00mac_remove_interface,
771 .config = rt2x00mac_config,
772 .configure_filter = rt2x00mac_configure_filter,
773 .set_tim = rt2x00mac_set_tim,
774 .set_key = rt2x00mac_set_key,
775 .sw_scan_start = rt2x00mac_sw_scan_start,
776 .sw_scan_complete = rt2x00mac_sw_scan_complete,
777 .get_stats = rt2x00mac_get_stats,
778 .get_tkip_seq = rt2800_get_tkip_seq,
779 .set_rts_threshold = rt2800_set_rts_threshold,
780 .sta_add = rt2x00mac_sta_add,
781 .sta_remove = rt2x00mac_sta_remove,
782 .bss_info_changed = rt2x00mac_bss_info_changed,
783 .conf_tx = rt2800_conf_tx,
784 .get_tsf = rt2800_get_tsf,
785 .rfkill_poll = rt2x00mac_rfkill_poll,
786 .ampdu_action = rt2800_ampdu_action,
787 .flush = rt2x00mac_flush,
788 .get_survey = rt2800_get_survey,
789 .get_ringparam = rt2x00mac_get_ringparam,
790 .tx_frames_pending = rt2x00mac_tx_frames_pending,
793 static const struct rt2800_ops rt2800usb_rt2800_ops = {
794 .register_read = rt2x00usb_register_read,
795 .register_read_lock = rt2x00usb_register_read_lock,
796 .register_write = rt2x00usb_register_write,
797 .register_write_lock = rt2x00usb_register_write_lock,
798 .register_multiread = rt2x00usb_register_multiread,
799 .register_multiwrite = rt2x00usb_register_multiwrite,
800 .regbusy_read = rt2x00usb_regbusy_read,
801 .drv_write_firmware = rt2800usb_write_firmware,
802 .drv_init_registers = rt2800usb_init_registers,
803 .drv_get_txwi = rt2800usb_get_txwi,
806 static const struct rt2x00lib_ops rt2800usb_rt2x00_ops = {
807 .probe_hw = rt2800usb_probe_hw,
808 .get_firmware_name = rt2800usb_get_firmware_name,
809 .check_firmware = rt2800_check_firmware,
810 .load_firmware = rt2800_load_firmware,
811 .initialize = rt2x00usb_initialize,
812 .uninitialize = rt2x00usb_uninitialize,
813 .clear_entry = rt2x00usb_clear_entry,
814 .set_device_state = rt2800usb_set_device_state,
815 .rfkill_poll = rt2800_rfkill_poll,
816 .link_stats = rt2800_link_stats,
817 .reset_tuner = rt2800_reset_tuner,
818 .link_tuner = rt2800_link_tuner,
819 .gain_calibration = rt2800_gain_calibration,
820 .watchdog = rt2800usb_watchdog,
821 .start_queue = rt2800usb_start_queue,
822 .kick_queue = rt2x00usb_kick_queue,
823 .stop_queue = rt2800usb_stop_queue,
824 .flush_queue = rt2x00usb_flush_queue,
825 .tx_dma_done = rt2800usb_tx_dma_done,
826 .write_tx_desc = rt2800usb_write_tx_desc,
827 .write_tx_data = rt2800usb_write_tx_data,
828 .write_beacon = rt2800_write_beacon,
829 .clear_beacon = rt2800_clear_beacon,
830 .get_tx_data_len = rt2800usb_get_tx_data_len,
831 .fill_rxdone = rt2800usb_fill_rxdone,
832 .config_shared_key = rt2800_config_shared_key,
833 .config_pairwise_key = rt2800_config_pairwise_key,
834 .config_filter = rt2800_config_filter,
835 .config_intf = rt2800_config_intf,
836 .config_erp = rt2800_config_erp,
837 .config_ant = rt2800_config_ant,
838 .config = rt2800_config,
839 .sta_add = rt2800_sta_add,
840 .sta_remove = rt2800_sta_remove,
843 static const struct data_queue_desc rt2800usb_queue_rx = {
845 .data_size = AGGREGATION_SIZE,
846 .desc_size = RXINFO_DESC_SIZE + RXWI_DESC_SIZE,
847 .priv_size = sizeof(struct queue_entry_priv_usb),
850 static const struct data_queue_desc rt2800usb_queue_tx = {
852 .data_size = AGGREGATION_SIZE,
853 .desc_size = TXINFO_DESC_SIZE + TXWI_DESC_SIZE,
854 .priv_size = sizeof(struct queue_entry_priv_usb),
857 static const struct data_queue_desc rt2800usb_queue_bcn = {
859 .data_size = MGMT_FRAME_SIZE,
860 .desc_size = TXINFO_DESC_SIZE + TXWI_DESC_SIZE,
861 .priv_size = sizeof(struct queue_entry_priv_usb),
864 static const struct rt2x00_ops rt2800usb_ops = {
865 .name = KBUILD_MODNAME,
868 .eeprom_size = EEPROM_SIZE,
870 .tx_queues = NUM_TX_QUEUES,
871 .extra_tx_headroom = TXINFO_DESC_SIZE + TXWI_DESC_SIZE,
872 .rx = &rt2800usb_queue_rx,
873 .tx = &rt2800usb_queue_tx,
874 .bcn = &rt2800usb_queue_bcn,
875 .lib = &rt2800usb_rt2x00_ops,
876 .drv = &rt2800usb_rt2800_ops,
877 .hw = &rt2800usb_mac80211_ops,
878 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
879 .debugfs = &rt2800_rt2x00debug,
880 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
884 * rt2800usb module information.
886 static struct usb_device_id rt2800usb_device_table[] = {
888 { USB_DEVICE(0x07b8, 0x2870) },
889 { USB_DEVICE(0x07b8, 0x2770) },
890 { USB_DEVICE(0x07b8, 0x3070) },
891 { USB_DEVICE(0x07b8, 0x3071) },
892 { USB_DEVICE(0x07b8, 0x3072) },
893 { USB_DEVICE(0x1482, 0x3c09) },
895 { USB_DEVICE(0x1eda, 0x2012) },
896 { USB_DEVICE(0x1eda, 0x2210) },
897 { USB_DEVICE(0x1eda, 0x2310) },
899 { USB_DEVICE(0x8516, 0x2070) },
900 { USB_DEVICE(0x8516, 0x2770) },
901 { USB_DEVICE(0x8516, 0x2870) },
902 { USB_DEVICE(0x8516, 0x3070) },
903 { USB_DEVICE(0x8516, 0x3071) },
904 { USB_DEVICE(0x8516, 0x3072) },
906 { USB_DEVICE(0x14b2, 0x3c06) },
907 { USB_DEVICE(0x14b2, 0x3c07) },
908 { USB_DEVICE(0x14b2, 0x3c09) },
909 { USB_DEVICE(0x14b2, 0x3c12) },
910 { USB_DEVICE(0x14b2, 0x3c23) },
911 { USB_DEVICE(0x14b2, 0x3c25) },
912 { USB_DEVICE(0x14b2, 0x3c27) },
913 { USB_DEVICE(0x14b2, 0x3c28) },
914 { USB_DEVICE(0x14b2, 0x3c2c) },
916 { USB_DEVICE(0x15c5, 0x0008) },
918 { USB_DEVICE(0x1690, 0x0740) },
920 { USB_DEVICE(0x0b05, 0x1731) },
921 { USB_DEVICE(0x0b05, 0x1732) },
922 { USB_DEVICE(0x0b05, 0x1742) },
923 { USB_DEVICE(0x0b05, 0x1784) },
924 { USB_DEVICE(0x1761, 0x0b05) },
926 { USB_DEVICE(0x13d3, 0x3247) },
927 { USB_DEVICE(0x13d3, 0x3273) },
928 { USB_DEVICE(0x13d3, 0x3305) },
929 { USB_DEVICE(0x13d3, 0x3307) },
930 { USB_DEVICE(0x13d3, 0x3321) },
932 { USB_DEVICE(0x050d, 0x8053) },
933 { USB_DEVICE(0x050d, 0x805c) },
934 { USB_DEVICE(0x050d, 0x815c) },
935 { USB_DEVICE(0x050d, 0x825a) },
936 { USB_DEVICE(0x050d, 0x825b) },
937 { USB_DEVICE(0x050d, 0x935a) },
938 { USB_DEVICE(0x050d, 0x935b) },
940 { USB_DEVICE(0x0411, 0x00e8) },
941 { USB_DEVICE(0x0411, 0x0158) },
942 { USB_DEVICE(0x0411, 0x015d) },
943 { USB_DEVICE(0x0411, 0x016f) },
944 { USB_DEVICE(0x0411, 0x01a2) },
945 { USB_DEVICE(0x0411, 0x01ee) },
947 { USB_DEVICE(0x07aa, 0x002f) },
948 { USB_DEVICE(0x07aa, 0x003c) },
949 { USB_DEVICE(0x07aa, 0x003f) },
950 { USB_DEVICE(0x18c5, 0x0012) },
952 { USB_DEVICE(0x07d1, 0x3c09) },
953 { USB_DEVICE(0x07d1, 0x3c0a) },
954 { USB_DEVICE(0x07d1, 0x3c0d) },
955 { USB_DEVICE(0x07d1, 0x3c0e) },
956 { USB_DEVICE(0x07d1, 0x3c0f) },
957 { USB_DEVICE(0x07d1, 0x3c11) },
958 { USB_DEVICE(0x07d1, 0x3c13) },
959 { USB_DEVICE(0x07d1, 0x3c15) },
960 { USB_DEVICE(0x07d1, 0x3c16) },
961 { USB_DEVICE(0x2001, 0x3c1b) },
962 { USB_DEVICE(0x2001, 0x3c1e) },
964 { USB_DEVICE(0x07fa, 0x7712) },
966 { USB_DEVICE(0x0fe9, 0xb307) },
968 { USB_DEVICE(0x7392, 0x4085) },
969 { USB_DEVICE(0x7392, 0x7711) },
970 { USB_DEVICE(0x7392, 0x7717) },
971 { USB_DEVICE(0x7392, 0x7718) },
972 { USB_DEVICE(0x7392, 0x7722) },
974 { USB_DEVICE(0x203d, 0x1480) },
975 { USB_DEVICE(0x203d, 0x14a9) },
977 { USB_DEVICE(0x1740, 0x9701) },
978 { USB_DEVICE(0x1740, 0x9702) },
979 { USB_DEVICE(0x1740, 0x9703) },
980 { USB_DEVICE(0x1740, 0x9705) },
981 { USB_DEVICE(0x1740, 0x9706) },
982 { USB_DEVICE(0x1740, 0x9707) },
983 { USB_DEVICE(0x1740, 0x9708) },
984 { USB_DEVICE(0x1740, 0x9709) },
986 { USB_DEVICE(0x15a9, 0x0012) },
988 { USB_DEVICE(0x1044, 0x800b) },
989 { USB_DEVICE(0x1044, 0x800d) },
991 { USB_DEVICE(0x0e66, 0x0001) },
992 { USB_DEVICE(0x0e66, 0x0003) },
993 { USB_DEVICE(0x0e66, 0x0009) },
994 { USB_DEVICE(0x0e66, 0x000b) },
995 { USB_DEVICE(0x0e66, 0x0013) },
996 { USB_DEVICE(0x0e66, 0x0017) },
997 { USB_DEVICE(0x0e66, 0x0018) },
999 { USB_DEVICE(0x04bb, 0x0945) },
1000 { USB_DEVICE(0x04bb, 0x0947) },
1001 { USB_DEVICE(0x04bb, 0x0948) },
1003 { USB_DEVICE(0x13b1, 0x0031) },
1004 { USB_DEVICE(0x1737, 0x0070) },
1005 { USB_DEVICE(0x1737, 0x0071) },
1006 { USB_DEVICE(0x1737, 0x0077) },
1007 { USB_DEVICE(0x1737, 0x0078) },
1009 { USB_DEVICE(0x0789, 0x0162) },
1010 { USB_DEVICE(0x0789, 0x0163) },
1011 { USB_DEVICE(0x0789, 0x0164) },
1012 { USB_DEVICE(0x0789, 0x0166) },
1014 { USB_DEVICE(0x100d, 0x9031) },
1016 { USB_DEVICE(0x0db0, 0x3820) },
1017 { USB_DEVICE(0x0db0, 0x3821) },
1018 { USB_DEVICE(0x0db0, 0x3822) },
1019 { USB_DEVICE(0x0db0, 0x3870) },
1020 { USB_DEVICE(0x0db0, 0x3871) },
1021 { USB_DEVICE(0x0db0, 0x6899) },
1022 { USB_DEVICE(0x0db0, 0x821a) },
1023 { USB_DEVICE(0x0db0, 0x822a) },
1024 { USB_DEVICE(0x0db0, 0x822b) },
1025 { USB_DEVICE(0x0db0, 0x822c) },
1026 { USB_DEVICE(0x0db0, 0x870a) },
1027 { USB_DEVICE(0x0db0, 0x871a) },
1028 { USB_DEVICE(0x0db0, 0x871b) },
1029 { USB_DEVICE(0x0db0, 0x871c) },
1030 { USB_DEVICE(0x0db0, 0x899a) },
1032 { USB_DEVICE(0x1b75, 0x3071) },
1033 { USB_DEVICE(0x1b75, 0x3072) },
1034 { USB_DEVICE(0x1b75, 0xa200) },
1036 { USB_DEVICE(0x20b8, 0x8888) },
1038 { USB_DEVICE(0x1d4d, 0x0002) },
1039 { USB_DEVICE(0x1d4d, 0x000c) },
1040 { USB_DEVICE(0x1d4d, 0x000e) },
1041 { USB_DEVICE(0x1d4d, 0x0011) },
1043 { USB_DEVICE(0x0471, 0x200f) },
1045 { USB_DEVICE(0x2019, 0x5201) },
1046 { USB_DEVICE(0x2019, 0xab25) },
1047 { USB_DEVICE(0x2019, 0xed06) },
1049 { USB_DEVICE(0x1a32, 0x0304) },
1051 { USB_DEVICE(0x148f, 0x2070) },
1052 { USB_DEVICE(0x148f, 0x2770) },
1053 { USB_DEVICE(0x148f, 0x2870) },
1054 { USB_DEVICE(0x148f, 0x3070) },
1055 { USB_DEVICE(0x148f, 0x3071) },
1056 { USB_DEVICE(0x148f, 0x3072) },
1058 { USB_DEVICE(0x04e8, 0x2018) },
1060 { USB_DEVICE(0x129b, 0x1828) },
1062 { USB_DEVICE(0x0df6, 0x0017) },
1063 { USB_DEVICE(0x0df6, 0x002b) },
1064 { USB_DEVICE(0x0df6, 0x002c) },
1065 { USB_DEVICE(0x0df6, 0x002d) },
1066 { USB_DEVICE(0x0df6, 0x0039) },
1067 { USB_DEVICE(0x0df6, 0x003b) },
1068 { USB_DEVICE(0x0df6, 0x003d) },
1069 { USB_DEVICE(0x0df6, 0x003e) },
1070 { USB_DEVICE(0x0df6, 0x003f) },
1071 { USB_DEVICE(0x0df6, 0x0040) },
1072 { USB_DEVICE(0x0df6, 0x0042) },
1073 { USB_DEVICE(0x0df6, 0x0047) },
1074 { USB_DEVICE(0x0df6, 0x0048) },
1075 { USB_DEVICE(0x0df6, 0x0051) },
1076 { USB_DEVICE(0x0df6, 0x005f) },
1077 { USB_DEVICE(0x0df6, 0x0060) },
1079 { USB_DEVICE(0x083a, 0x6618) },
1080 { USB_DEVICE(0x083a, 0x7511) },
1081 { USB_DEVICE(0x083a, 0x7512) },
1082 { USB_DEVICE(0x083a, 0x7522) },
1083 { USB_DEVICE(0x083a, 0x8522) },
1084 { USB_DEVICE(0x083a, 0xa618) },
1085 { USB_DEVICE(0x083a, 0xa701) },
1086 { USB_DEVICE(0x083a, 0xa702) },
1087 { USB_DEVICE(0x083a, 0xa703) },
1088 { USB_DEVICE(0x083a, 0xb522) },
1090 { USB_DEVICE(0x15a9, 0x0006) },
1092 { USB_DEVICE(0x177f, 0x0153) },
1093 { USB_DEVICE(0x177f, 0x0302) },
1094 { USB_DEVICE(0x177f, 0x0313) },
1095 { USB_DEVICE(0x177f, 0x0323) },
1097 { USB_DEVICE(0x157e, 0x300e) },
1098 { USB_DEVICE(0x157e, 0x3013) },
1100 { USB_DEVICE(0x0cde, 0x0022) },
1101 { USB_DEVICE(0x0cde, 0x0025) },
1103 { USB_DEVICE(0x5a57, 0x0280) },
1104 { USB_DEVICE(0x5a57, 0x0282) },
1105 { USB_DEVICE(0x5a57, 0x0283) },
1106 { USB_DEVICE(0x5a57, 0x5257) },
1108 { USB_DEVICE(0x0586, 0x3416) },
1109 { USB_DEVICE(0x0586, 0x3418) },
1110 { USB_DEVICE(0x0586, 0x341e) },
1111 { USB_DEVICE(0x0586, 0x343e) },
1112 #ifdef CONFIG_RT2800USB_RT33XX
1114 { USB_DEVICE(0x050d, 0x945b) },
1116 { USB_DEVICE(0x2001, 0x3c17) },
1118 { USB_DEVICE(0x083a, 0xb511) },
1120 { USB_DEVICE(0x0471, 0x20dd) },
1122 { USB_DEVICE(0x148f, 0x3370) },
1123 { USB_DEVICE(0x148f, 0x8070) },
1125 { USB_DEVICE(0x0df6, 0x0050) },
1127 #ifdef CONFIG_RT2800USB_RT35XX
1129 { USB_DEVICE(0x8516, 0x3572) },
1131 { USB_DEVICE(0x1690, 0x0744) },
1132 { USB_DEVICE(0x1690, 0x0761) },
1133 { USB_DEVICE(0x1690, 0x0764) },
1135 { USB_DEVICE(0x0b05, 0x179d) },
1137 { USB_DEVICE(0x167b, 0x4001) },
1139 { USB_DEVICE(0x1740, 0x9801) },
1141 { USB_DEVICE(0x04bb, 0x0944) },
1143 { USB_DEVICE(0x13b1, 0x002f) },
1144 { USB_DEVICE(0x1737, 0x0079) },
1146 { USB_DEVICE(0x148f, 0x3572) },
1148 { USB_DEVICE(0x0df6, 0x0041) },
1149 { USB_DEVICE(0x0df6, 0x0062) },
1150 { USB_DEVICE(0x0df6, 0x0065) },
1151 { USB_DEVICE(0x0df6, 0x0066) },
1152 { USB_DEVICE(0x0df6, 0x0068) },
1154 { USB_DEVICE(0x0930, 0x0a07) },
1156 { USB_DEVICE(0x5a57, 0x0284) },
1158 #ifdef CONFIG_RT2800USB_RT53XX
1160 { USB_DEVICE(0x13d3, 0x3329) },
1161 { USB_DEVICE(0x13d3, 0x3365) },
1163 { USB_DEVICE(0x2001, 0x3c1c) },
1164 { USB_DEVICE(0x2001, 0x3c1d) },
1166 { USB_DEVICE(0x148f, 0x5370) },
1167 { USB_DEVICE(0x148f, 0x5372) },
1169 #ifdef CONFIG_RT2800USB_UNKNOWN
1171 * Unclear what kind of devices these are (they aren't supported by the
1172 * vendor linux driver).
1175 { USB_DEVICE(0x07b8, 0x3073) },
1176 { USB_DEVICE(0x07b8, 0x3074) },
1177 /* Alpha Networks */
1178 { USB_DEVICE(0x14b2, 0x3c08) },
1179 { USB_DEVICE(0x14b2, 0x3c11) },
1181 { USB_DEVICE(0x0e0b, 0x9031) },
1182 { USB_DEVICE(0x0e0b, 0x9041) },
1184 { USB_DEVICE(0x0b05, 0x166a) },
1185 { USB_DEVICE(0x0b05, 0x1760) },
1186 { USB_DEVICE(0x0b05, 0x1761) },
1187 { USB_DEVICE(0x0b05, 0x1790) },
1189 { USB_DEVICE(0x13d3, 0x3262) },
1190 { USB_DEVICE(0x13d3, 0x3284) },
1191 { USB_DEVICE(0x13d3, 0x3322) },
1193 { USB_DEVICE(0x050d, 0x1003) },
1195 { USB_DEVICE(0x0411, 0x012e) },
1196 { USB_DEVICE(0x0411, 0x0148) },
1197 { USB_DEVICE(0x0411, 0x0150) },
1199 { USB_DEVICE(0x07aa, 0x0041) },
1200 { USB_DEVICE(0x07aa, 0x0042) },
1201 { USB_DEVICE(0x18c5, 0x0008) },
1203 { USB_DEVICE(0x07d1, 0x3c0b) },
1204 { USB_DEVICE(0x07d1, 0x3c17) },
1206 { USB_DEVICE(0x203d, 0x14a1) },
1208 { USB_DEVICE(0x15a9, 0x0010) },
1210 { USB_DEVICE(0x1044, 0x800c) },
1212 { USB_DEVICE(0x148f, 0xf101) },
1214 { USB_DEVICE(0x04bb, 0x094b) },
1216 { USB_DEVICE(0x1740, 0x0605) },
1217 { USB_DEVICE(0x1740, 0x0615) },
1219 { USB_DEVICE(0x0789, 0x0168) },
1220 { USB_DEVICE(0x0789, 0x0169) },
1222 { USB_DEVICE(0x100d, 0x9032) },
1224 { USB_DEVICE(0x05a6, 0x0101) },
1225 { USB_DEVICE(0x1d4d, 0x0010) },
1227 { USB_DEVICE(0x2019, 0xab24) },
1229 { USB_DEVICE(0x18e8, 0x6259) },
1231 { USB_DEVICE(0x08b9, 0x1197) },
1233 { USB_DEVICE(0x0df6, 0x003c) },
1234 { USB_DEVICE(0x0df6, 0x004a) },
1235 { USB_DEVICE(0x0df6, 0x004d) },
1236 { USB_DEVICE(0x0df6, 0x0053) },
1238 { USB_DEVICE(0x083a, 0xa512) },
1239 { USB_DEVICE(0x083a, 0xc522) },
1240 { USB_DEVICE(0x083a, 0xd522) },
1241 { USB_DEVICE(0x083a, 0xf511) },
1243 { USB_DEVICE(0x0586, 0x341a) },
1248 MODULE_AUTHOR(DRV_PROJECT);
1249 MODULE_VERSION(DRV_VERSION);
1250 MODULE_DESCRIPTION("Ralink RT2800 USB Wireless LAN driver.");
1251 MODULE_SUPPORTED_DEVICE("Ralink RT2870 USB chipset based cards");
1252 MODULE_DEVICE_TABLE(usb, rt2800usb_device_table);
1253 MODULE_FIRMWARE(FIRMWARE_RT2870);
1254 MODULE_LICENSE("GPL");
1256 static int rt2800usb_probe(struct usb_interface *usb_intf,
1257 const struct usb_device_id *id)
1259 return rt2x00usb_probe(usb_intf, &rt2800usb_ops);
1262 static struct usb_driver rt2800usb_driver = {
1263 .name = KBUILD_MODNAME,
1264 .id_table = rt2800usb_device_table,
1265 .probe = rt2800usb_probe,
1266 .disconnect = rt2x00usb_disconnect,
1267 .suspend = rt2x00usb_suspend,
1268 .resume = rt2x00usb_resume,
1271 static int __init rt2800usb_init(void)
1273 return usb_register(&rt2800usb_driver);
1276 static void __exit rt2800usb_exit(void)
1278 usb_deregister(&rt2800usb_driver);
1281 module_init(rt2800usb_init);
1282 module_exit(rt2800usb_exit);