1/*
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>
9
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.
14
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.
19
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.
24 */
25
26/*
27	Module: rt2800usb
28	Abstract: rt2800usb device specific routines.
29	Supported chipsets: RT2800U.
30 */
31
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>
38
39#include "rt2x00.h"
40#include "rt2x00usb.h"
41#include "rt2800lib.h"
42#include "rt2800.h"
43#include "rt2800usb.h"
44
45/*
46 * Allow hardware encryption to be disabled.
47 */
48static bool modparam_nohwcrypt;
49module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
50MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
51
52/*
53 * Queue handlers.
54 */
55static void rt2800usb_start_queue(struct data_queue *queue)
56{
57	struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
58	u32 reg;
59
60	switch (queue->qid) {
61	case QID_RX:
62		rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
63		rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 1);
64		rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
65		break;
66	case QID_BEACON:
67		rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
68		rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 1);
69		rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 1);
70		rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 1);
71		rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg);
72		break;
73	default:
74		break;
75	}
76}
77
78static void rt2800usb_stop_queue(struct data_queue *queue)
79{
80	struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
81	u32 reg;
82
83	switch (queue->qid) {
84	case QID_RX:
85		rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
86		rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
87		rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
88		break;
89	case QID_BEACON:
90		rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
91		rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 0);
92		rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 0);
93		rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
94		rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg);
95		break;
96	default:
97		break;
98	}
99}
100
101/*
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
104 */
105static bool rt2800usb_txstatus_pending(struct rt2x00_dev *rt2x00dev)
106{
107	struct data_queue *queue;
108
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))
112			return true;
113	}
114	return false;
115}
116
117static inline bool rt2800usb_entry_txstatus_timeout(struct queue_entry *entry)
118{
119	bool tout;
120
121	if (!test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))
122		return false;
123
124	tout = time_after(jiffies, entry->last_action + msecs_to_jiffies(100));
125	if (unlikely(tout))
126		WARNING(entry->queue->rt2x00dev,
127			"TX status timeout for entry %d in queue %d\n",
128			entry->entry_idx, entry->queue->qid);
129	return tout;
130
131}
132
133static bool rt2800usb_txstatus_timeout(struct rt2x00_dev *rt2x00dev)
134{
135	struct data_queue *queue;
136	struct queue_entry *entry;
137
138	tx_queue_for_each(rt2x00dev, queue) {
139		entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
140		if (rt2800usb_entry_txstatus_timeout(entry))
141			return true;
142	}
143	return false;
144}
145
146static bool rt2800usb_tx_sta_fifo_read_completed(struct rt2x00_dev *rt2x00dev,
147						 int urb_status, u32 tx_status)
148{
149	bool valid;
150
151	if (urb_status) {
152		WARNING(rt2x00dev, "TX status read failed %d\n", urb_status);
153
154		goto stop_reading;
155	}
156
157	valid = rt2x00_get_field32(tx_status, TX_STA_FIFO_VALID);
158	if (valid) {
159		if (!kfifo_put(&rt2x00dev->txstatus_fifo, &tx_status))
160			WARNING(rt2x00dev, "TX status FIFO overrun\n");
161
162		queue_work(rt2x00dev->workqueue, &rt2x00dev->txdone_work);
163
164		/* Reschedule urb to read TX status again instantly */
165		return true;
166	}
167
168	/* Check if there is any entry that timedout waiting on TX status */
169	if (rt2800usb_txstatus_timeout(rt2x00dev))
170		queue_work(rt2x00dev->workqueue, &rt2x00dev->txdone_work);
171
172	if (rt2800usb_txstatus_pending(rt2x00dev)) {
173		/* Read register after 250 us */
174		hrtimer_start(&rt2x00dev->txstatus_timer, ktime_set(0, 250000),
175			      HRTIMER_MODE_REL);
176		return false;
177	}
178
179stop_reading:
180	clear_bit(TX_STATUS_READING, &rt2x00dev->flags);
181	/*
182	 * There is small race window above, between txstatus pending check and
183	 * clear_bit someone could do rt2x00usb_interrupt_txdone, so recheck
184	 * here again if status reading is needed.
185	 */
186	if (rt2800usb_txstatus_pending(rt2x00dev) &&
187	    !test_and_set_bit(TX_STATUS_READING, &rt2x00dev->flags))
188		return true;
189	else
190		return false;
191}
192
193static void rt2800usb_async_read_tx_status(struct rt2x00_dev *rt2x00dev)
194{
195
196	if (test_and_set_bit(TX_STATUS_READING, &rt2x00dev->flags))
197		return;
198
199	/* Read TX_STA_FIFO register after 500 us */
200	hrtimer_start(&rt2x00dev->txstatus_timer, ktime_set(0, 500000),
201		      HRTIMER_MODE_REL);
202}
203
204static void rt2800usb_tx_dma_done(struct queue_entry *entry)
205{
206	struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
207
208	rt2800usb_async_read_tx_status(rt2x00dev);
209}
210
211static enum hrtimer_restart rt2800usb_tx_sta_fifo_timeout(struct hrtimer *timer)
212{
213	struct rt2x00_dev *rt2x00dev =
214	    container_of(timer, struct rt2x00_dev, txstatus_timer);
215
216	rt2x00usb_register_read_async(rt2x00dev, TX_STA_FIFO,
217				      rt2800usb_tx_sta_fifo_read_completed);
218
219	return HRTIMER_NORESTART;
220}
221
222/*
223 * Firmware functions
224 */
225static char *rt2800usb_get_firmware_name(struct rt2x00_dev *rt2x00dev)
226{
227	return FIRMWARE_RT2870;
228}
229
230static int rt2800usb_write_firmware(struct rt2x00_dev *rt2x00dev,
231				    const u8 *data, const size_t len)
232{
233	int status;
234	u32 offset;
235	u32 length;
236
237	/*
238	 * Check which section of the firmware we need.
239	 */
240	if (rt2x00_rt(rt2x00dev, RT2860) ||
241	    rt2x00_rt(rt2x00dev, RT2872) ||
242	    rt2x00_rt(rt2x00dev, RT3070)) {
243		offset = 0;
244		length = 4096;
245	} else {
246		offset = 4096;
247		length = 4096;
248	}
249
250	/*
251	 * Write firmware to device.
252	 */
253	rt2x00usb_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE,
254				      data + offset, length);
255
256	rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0);
257	rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0);
258
259	/*
260	 * Send firmware request to device to load firmware,
261	 * we need to specify a long timeout time.
262	 */
263	status = rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE,
264					     0, USB_MODE_FIRMWARE,
265					     REGISTER_TIMEOUT_FIRMWARE);
266	if (status < 0) {
267		ERROR(rt2x00dev, "Failed to write Firmware to device.\n");
268		return status;
269	}
270
271	msleep(10);
272	rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
273
274	return 0;
275}
276
277/*
278 * Device state switch handlers.
279 */
280static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
281{
282	u32 reg;
283
284	/*
285	 * Wait until BBP and RF are ready.
286	 */
287	if (rt2800_wait_csr_ready(rt2x00dev))
288		return -EBUSY;
289
290	rt2x00usb_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
291	rt2x00usb_register_write(rt2x00dev, PBF_SYS_CTRL, reg & ~0x00002000);
292
293	reg = 0;
294	rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_CSR, 1);
295	rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_BBP, 1);
296	rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
297
298	rt2x00usb_register_write(rt2x00dev, USB_DMA_CFG, 0x00000000);
299
300	rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0,
301				    USB_MODE_RESET, REGISTER_TIMEOUT);
302
303	rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
304
305	return 0;
306}
307
308static int rt2800usb_enable_radio(struct rt2x00_dev *rt2x00dev)
309{
310	u32 reg;
311
312	if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev)))
313		return -EIO;
314
315	rt2x00usb_register_read(rt2x00dev, USB_DMA_CFG, &reg);
316	rt2x00_set_field32(&reg, USB_DMA_CFG_PHY_CLEAR, 0);
317	rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_EN, 0);
318	rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_TIMEOUT, 128);
319	/*
320	 * Total room for RX frames in kilobytes, PBF might still exceed
321	 * this limit so reduce the number to prevent errors.
322	 */
323	rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_LIMIT,
324			   ((rt2x00dev->ops->rx->entry_num * DATA_FRAME_SIZE)
325			    / 1024) - 3);
326	rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_EN, 1);
327	rt2x00_set_field32(&reg, USB_DMA_CFG_TX_BULK_EN, 1);
328	rt2x00usb_register_write(rt2x00dev, USB_DMA_CFG, reg);
329
330	return rt2800_enable_radio(rt2x00dev);
331}
332
333static void rt2800usb_disable_radio(struct rt2x00_dev *rt2x00dev)
334{
335	rt2800_disable_radio(rt2x00dev);
336	rt2x00usb_disable_radio(rt2x00dev);
337}
338
339static int rt2800usb_set_state(struct rt2x00_dev *rt2x00dev,
340			       enum dev_state state)
341{
342	if (state == STATE_AWAKE)
343		rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, 0xff, 0, 2);
344	else
345		rt2800_mcu_request(rt2x00dev, MCU_SLEEP, 0xff, 0xff, 2);
346
347	return 0;
348}
349
350static int rt2800usb_set_device_state(struct rt2x00_dev *rt2x00dev,
351				      enum dev_state state)
352{
353	int retval = 0;
354
355	switch (state) {
356	case STATE_RADIO_ON:
357		/*
358		 * Before the radio can be enabled, the device first has
359		 * to be woken up. After that it needs a bit of time
360		 * to be fully awake and then the radio can be enabled.
361		 */
362		rt2800usb_set_state(rt2x00dev, STATE_AWAKE);
363		msleep(1);
364		retval = rt2800usb_enable_radio(rt2x00dev);
365		break;
366	case STATE_RADIO_OFF:
367		/*
368		 * After the radio has been disabled, the device should
369		 * be put to sleep for powersaving.
370		 */
371		rt2800usb_disable_radio(rt2x00dev);
372		rt2800usb_set_state(rt2x00dev, STATE_SLEEP);
373		break;
374	case STATE_RADIO_IRQ_ON:
375	case STATE_RADIO_IRQ_OFF:
376		/* No support, but no error either */
377		break;
378	case STATE_DEEP_SLEEP:
379	case STATE_SLEEP:
380	case STATE_STANDBY:
381	case STATE_AWAKE:
382		retval = rt2800usb_set_state(rt2x00dev, state);
383		break;
384	default:
385		retval = -ENOTSUPP;
386		break;
387	}
388
389	if (unlikely(retval))
390		ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n",
391		      state, retval);
392
393	return retval;
394}
395
396/*
397 * Watchdog handlers
398 */
399static void rt2800usb_watchdog(struct rt2x00_dev *rt2x00dev)
400{
401	unsigned int i;
402	u32 reg;
403
404	rt2x00usb_register_read(rt2x00dev, TXRXQ_PCNT, &reg);
405	if (rt2x00_get_field32(reg, TXRXQ_PCNT_TX0Q)) {
406		WARNING(rt2x00dev, "TX HW queue 0 timed out,"
407			" invoke forced kick\n");
408
409		rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40012);
410
411		for (i = 0; i < 10; i++) {
412			udelay(10);
413			if (!rt2x00_get_field32(reg, TXRXQ_PCNT_TX0Q))
414				break;
415		}
416
417		rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40006);
418	}
419
420	rt2x00usb_register_read(rt2x00dev, TXRXQ_PCNT, &reg);
421	if (rt2x00_get_field32(reg, TXRXQ_PCNT_TX1Q)) {
422		WARNING(rt2x00dev, "TX HW queue 1 timed out,"
423			" invoke forced kick\n");
424
425		rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf4000a);
426
427		for (i = 0; i < 10; i++) {
428			udelay(10);
429			if (!rt2x00_get_field32(reg, TXRXQ_PCNT_TX1Q))
430				break;
431		}
432
433		rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40006);
434	}
435
436	rt2x00usb_watchdog(rt2x00dev);
437}
438
439/*
440 * TX descriptor initialization
441 */
442static __le32 *rt2800usb_get_txwi(struct queue_entry *entry)
443{
444	if (entry->queue->qid == QID_BEACON)
445		return (__le32 *) (entry->skb->data);
446	else
447		return (__le32 *) (entry->skb->data + TXINFO_DESC_SIZE);
448}
449
450static void rt2800usb_write_tx_desc(struct queue_entry *entry,
451				    struct txentry_desc *txdesc)
452{
453	struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
454	__le32 *txi = (__le32 *) entry->skb->data;
455	u32 word;
456
457	/*
458	 * Initialize TXINFO descriptor
459	 */
460	rt2x00_desc_read(txi, 0, &word);
461
462	/*
463	 * The size of TXINFO_W0_USB_DMA_TX_PKT_LEN is
464	 * TXWI + 802.11 header + L2 pad + payload + pad,
465	 * so need to decrease size of TXINFO.
466	 */
467	rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_PKT_LEN,
468			   roundup(entry->skb->len, 4) - TXINFO_DESC_SIZE);
469	rt2x00_set_field32(&word, TXINFO_W0_WIV,
470			   !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags));
471	rt2x00_set_field32(&word, TXINFO_W0_QSEL, 2);
472	rt2x00_set_field32(&word, TXINFO_W0_SW_USE_LAST_ROUND, 0);
473	rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_NEXT_VALID, 0);
474	rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_BURST,
475			   test_bit(ENTRY_TXD_BURST, &txdesc->flags));
476	rt2x00_desc_write(txi, 0, word);
477
478	/*
479	 * Register descriptor details in skb frame descriptor.
480	 */
481	skbdesc->flags |= SKBDESC_DESC_IN_SKB;
482	skbdesc->desc = txi;
483	skbdesc->desc_len = TXINFO_DESC_SIZE + TXWI_DESC_SIZE;
484}
485
486/*
487 * TX data initialization
488 */
489static int rt2800usb_get_tx_data_len(struct queue_entry *entry)
490{
491	/*
492	 * pad(1~3 bytes) is needed after each 802.11 payload.
493	 * USB end pad(4 bytes) is needed at each USB bulk out packet end.
494	 * TX frame format is :
495	 * | TXINFO | TXWI | 802.11 header | L2 pad | payload | pad | USB end pad |
496	 *                 |<------------- tx_pkt_len ------------->|
497	 */
498
499	return roundup(entry->skb->len, 4) + 4;
500}
501
502/*
503 * TX control handlers
504 */
505static enum txdone_entry_desc_flags
506rt2800usb_txdone_entry_check(struct queue_entry *entry, u32 reg)
507{
508	__le32 *txwi;
509	u32 word;
510	int wcid, ack, pid;
511	int tx_wcid, tx_ack, tx_pid, is_agg;
512
513	/*
514	 * This frames has returned with an IO error,
515	 * so the status report is not intended for this
516	 * frame.
517	 */
518	if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags))
519		return TXDONE_FAILURE;
520
521	wcid	= rt2x00_get_field32(reg, TX_STA_FIFO_WCID);
522	ack	= rt2x00_get_field32(reg, TX_STA_FIFO_TX_ACK_REQUIRED);
523	pid	= rt2x00_get_field32(reg, TX_STA_FIFO_PID_TYPE);
524	is_agg	= rt2x00_get_field32(reg, TX_STA_FIFO_TX_AGGRE);
525
526	/*
527	 * Validate if this TX status report is intended for
528	 * this entry by comparing the WCID/ACK/PID fields.
529	 */
530	txwi = rt2800usb_get_txwi(entry);
531
532	rt2x00_desc_read(txwi, 1, &word);
533	tx_wcid = rt2x00_get_field32(word, TXWI_W1_WIRELESS_CLI_ID);
534	tx_ack  = rt2x00_get_field32(word, TXWI_W1_ACK);
535	tx_pid  = rt2x00_get_field32(word, TXWI_W1_PACKETID);
536
537	if (wcid != tx_wcid || ack != tx_ack || (!is_agg && pid != tx_pid)) {
538		WARNING(entry->queue->rt2x00dev,
539			"TX status report missed for queue %d entry %d\n",
540			entry->queue->qid, entry->entry_idx);
541		return TXDONE_UNKNOWN;
542	}
543
544	return TXDONE_SUCCESS;
545}
546
547static void rt2800usb_txdone(struct rt2x00_dev *rt2x00dev)
548{
549	struct data_queue *queue;
550	struct queue_entry *entry;
551	u32 reg;
552	u8 qid;
553	enum txdone_entry_desc_flags done_status;
554
555	while (kfifo_get(&rt2x00dev->txstatus_fifo, &reg)) {
556		/*
557		 * TX_STA_FIFO_PID_QUEUE is a 2-bit field, thus qid is
558		 * guaranteed to be one of the TX QIDs .
559		 */
560		qid = rt2x00_get_field32(reg, TX_STA_FIFO_PID_QUEUE);
561		queue = rt2x00queue_get_tx_queue(rt2x00dev, qid);
562
563		if (unlikely(rt2x00queue_empty(queue))) {
564			WARNING(rt2x00dev, "Got TX status for an empty "
565					   "queue %u, dropping\n", qid);
566			break;
567		}
568
569		entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
570
571		if (unlikely(test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags) ||
572			     !test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))) {
573			WARNING(rt2x00dev, "Data pending for entry %u "
574					   "in queue %u\n", entry->entry_idx, qid);
575			break;
576		}
577
578		done_status = rt2800usb_txdone_entry_check(entry, reg);
579		if (likely(done_status == TXDONE_SUCCESS))
580			rt2800_txdone_entry(entry, reg, rt2800usb_get_txwi(entry));
581		else
582			rt2x00lib_txdone_noinfo(entry, done_status);
583	}
584}
585
586static void rt2800usb_txdone_nostatus(struct rt2x00_dev *rt2x00dev)
587{
588	struct data_queue *queue;
589	struct queue_entry *entry;
590
591	/*
592	 * Process any trailing TX status reports for IO failures,
593	 * we loop until we find the first non-IO error entry. This
594	 * can either be a frame which is free, is being uploaded,
595	 * or has completed the upload but didn't have an entry
596	 * in the TX_STAT_FIFO register yet.
597	 */
598	tx_queue_for_each(rt2x00dev, queue) {
599		while (!rt2x00queue_empty(queue)) {
600			entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
601
602			if (test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags) ||
603			    !test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))
604				break;
605
606			if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags))
607				rt2x00lib_txdone_noinfo(entry, TXDONE_FAILURE);
608			else if (rt2800usb_entry_txstatus_timeout(entry))
609				rt2x00lib_txdone_noinfo(entry, TXDONE_UNKNOWN);
610			else
611				break;
612		}
613	}
614}
615
616static void rt2800usb_work_txdone(struct work_struct *work)
617{
618	struct rt2x00_dev *rt2x00dev =
619	    container_of(work, struct rt2x00_dev, txdone_work);
620
621	while (!kfifo_is_empty(&rt2x00dev->txstatus_fifo) ||
622	       rt2800usb_txstatus_timeout(rt2x00dev)) {
623
624		rt2800usb_txdone(rt2x00dev);
625
626		rt2800usb_txdone_nostatus(rt2x00dev);
627
628		/*
629		 * The hw may delay sending the packet after DMA complete
630		 * if the medium is busy, thus the TX_STA_FIFO entry is
631		 * also delayed -> use a timer to retrieve it.
632		 */
633		if (rt2800usb_txstatus_pending(rt2x00dev))
634			rt2800usb_async_read_tx_status(rt2x00dev);
635	}
636}
637
638/*
639 * RX control handlers
640 */
641static void rt2800usb_fill_rxdone(struct queue_entry *entry,
642				  struct rxdone_entry_desc *rxdesc)
643{
644	struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
645	__le32 *rxi = (__le32 *)entry->skb->data;
646	__le32 *rxd;
647	u32 word;
648	int rx_pkt_len;
649
650	/*
651	 * Copy descriptor to the skbdesc->desc buffer, making it safe from
652	 * moving of frame data in rt2x00usb.
653	 */
654	memcpy(skbdesc->desc, rxi, skbdesc->desc_len);
655
656	/*
657	 * RX frame format is :
658	 * | RXINFO | RXWI | header | L2 pad | payload | pad | RXD | USB pad |
659	 *          |<------------ rx_pkt_len -------------->|
660	 */
661	rt2x00_desc_read(rxi, 0, &word);
662	rx_pkt_len = rt2x00_get_field32(word, RXINFO_W0_USB_DMA_RX_PKT_LEN);
663
664	/*
665	 * Remove the RXINFO structure from the sbk.
666	 */
667	skb_pull(entry->skb, RXINFO_DESC_SIZE);
668
669	/*
670	 * FIXME: we need to check for rx_pkt_len validity
671	 */
672	rxd = (__le32 *)(entry->skb->data + rx_pkt_len);
673
674	/*
675	 * It is now safe to read the descriptor on all architectures.
676	 */
677	rt2x00_desc_read(rxd, 0, &word);
678
679	if (rt2x00_get_field32(word, RXD_W0_CRC_ERROR))
680		rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
681
682	rxdesc->cipher_status = rt2x00_get_field32(word, RXD_W0_CIPHER_ERROR);
683
684	if (rt2x00_get_field32(word, RXD_W0_DECRYPTED)) {
685		/*
686		 * Hardware has stripped IV/EIV data from 802.11 frame during
687		 * decryption. Unfortunately the descriptor doesn't contain
688		 * any fields with the EIV/IV data either, so they can't
689		 * be restored by rt2x00lib.
690		 */
691		rxdesc->flags |= RX_FLAG_IV_STRIPPED;
692
693		/*
694		 * The hardware has already checked the Michael Mic and has
695		 * stripped it from the frame. Signal this to mac80211.
696		 */
697		rxdesc->flags |= RX_FLAG_MMIC_STRIPPED;
698
699		if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS)
700			rxdesc->flags |= RX_FLAG_DECRYPTED;
701		else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC)
702			rxdesc->flags |= RX_FLAG_MMIC_ERROR;
703	}
704
705	if (rt2x00_get_field32(word, RXD_W0_MY_BSS))
706		rxdesc->dev_flags |= RXDONE_MY_BSS;
707
708	if (rt2x00_get_field32(word, RXD_W0_L2PAD))
709		rxdesc->dev_flags |= RXDONE_L2PAD;
710
711	/*
712	 * Remove RXD descriptor from end of buffer.
713	 */
714	skb_trim(entry->skb, rx_pkt_len);
715
716	/*
717	 * Process the RXWI structure.
718	 */
719	rt2800_process_rxwi(entry, rxdesc);
720}
721
722/*
723 * Device probe functions.
724 */
725static int rt2800usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
726{
727	if (rt2800_efuse_detect(rt2x00dev))
728		rt2800_read_eeprom_efuse(rt2x00dev);
729	else
730		rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom,
731				      EEPROM_SIZE);
732
733	return rt2800_validate_eeprom(rt2x00dev);
734}
735
736static int rt2800usb_probe_hw(struct rt2x00_dev *rt2x00dev)
737{
738	int retval;
739
740	/*
741	 * Allocate eeprom data.
742	 */
743	retval = rt2800usb_validate_eeprom(rt2x00dev);
744	if (retval)
745		return retval;
746
747	retval = rt2800_init_eeprom(rt2x00dev);
748	if (retval)
749		return retval;
750
751	/*
752	 * Initialize hw specifications.
753	 */
754	retval = rt2800_probe_hw_mode(rt2x00dev);
755	if (retval)
756		return retval;
757
758	/*
759	 * This device has multiple filters for control frames
760	 * and has a separate filter for PS Poll frames.
761	 */
762	__set_bit(CAPABILITY_CONTROL_FILTERS, &rt2x00dev->cap_flags);
763	__set_bit(CAPABILITY_CONTROL_FILTER_PSPOLL, &rt2x00dev->cap_flags);
764
765	/*
766	 * This device requires firmware.
767	 */
768	__set_bit(REQUIRE_FIRMWARE, &rt2x00dev->cap_flags);
769	__set_bit(REQUIRE_L2PAD, &rt2x00dev->cap_flags);
770	if (!modparam_nohwcrypt)
771		__set_bit(CAPABILITY_HW_CRYPTO, &rt2x00dev->cap_flags);
772	__set_bit(CAPABILITY_LINK_TUNING, &rt2x00dev->cap_flags);
773	__set_bit(REQUIRE_HT_TX_DESC, &rt2x00dev->cap_flags);
774	__set_bit(REQUIRE_TXSTATUS_FIFO, &rt2x00dev->cap_flags);
775	__set_bit(REQUIRE_PS_AUTOWAKE, &rt2x00dev->cap_flags);
776
777	rt2x00dev->txstatus_timer.function = rt2800usb_tx_sta_fifo_timeout,
778
779	/*
780	 * Set the rssi offset.
781	 */
782	rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
783
784	/*
785	 * Overwrite TX done handler
786	 */
787	PREPARE_WORK(&rt2x00dev->txdone_work, rt2800usb_work_txdone);
788
789	return 0;
790}
791
792static const struct ieee80211_ops rt2800usb_mac80211_ops = {
793	.tx			= rt2x00mac_tx,
794	.start			= rt2x00mac_start,
795	.stop			= rt2x00mac_stop,
796	.add_interface		= rt2x00mac_add_interface,
797	.remove_interface	= rt2x00mac_remove_interface,
798	.config			= rt2x00mac_config,
799	.configure_filter	= rt2x00mac_configure_filter,
800	.set_tim		= rt2x00mac_set_tim,
801	.set_key		= rt2x00mac_set_key,
802	.sw_scan_start		= rt2x00mac_sw_scan_start,
803	.sw_scan_complete	= rt2x00mac_sw_scan_complete,
804	.get_stats		= rt2x00mac_get_stats,
805	.get_tkip_seq		= rt2800_get_tkip_seq,
806	.set_rts_threshold	= rt2800_set_rts_threshold,
807	.sta_add		= rt2x00mac_sta_add,
808	.sta_remove		= rt2x00mac_sta_remove,
809	.bss_info_changed	= rt2x00mac_bss_info_changed,
810	.conf_tx		= rt2800_conf_tx,
811	.get_tsf		= rt2800_get_tsf,
812	.rfkill_poll		= rt2x00mac_rfkill_poll,
813	.ampdu_action		= rt2800_ampdu_action,
814	.flush			= rt2x00mac_flush,
815	.get_survey		= rt2800_get_survey,
816	.get_ringparam		= rt2x00mac_get_ringparam,
817	.tx_frames_pending	= rt2x00mac_tx_frames_pending,
818};
819
820static const struct rt2800_ops rt2800usb_rt2800_ops = {
821	.register_read		= rt2x00usb_register_read,
822	.register_read_lock	= rt2x00usb_register_read_lock,
823	.register_write		= rt2x00usb_register_write,
824	.register_write_lock	= rt2x00usb_register_write_lock,
825	.register_multiread	= rt2x00usb_register_multiread,
826	.register_multiwrite	= rt2x00usb_register_multiwrite,
827	.regbusy_read		= rt2x00usb_regbusy_read,
828	.drv_write_firmware	= rt2800usb_write_firmware,
829	.drv_init_registers	= rt2800usb_init_registers,
830	.drv_get_txwi		= rt2800usb_get_txwi,
831};
832
833static const struct rt2x00lib_ops rt2800usb_rt2x00_ops = {
834	.probe_hw		= rt2800usb_probe_hw,
835	.get_firmware_name	= rt2800usb_get_firmware_name,
836	.check_firmware		= rt2800_check_firmware,
837	.load_firmware		= rt2800_load_firmware,
838	.initialize		= rt2x00usb_initialize,
839	.uninitialize		= rt2x00usb_uninitialize,
840	.clear_entry		= rt2x00usb_clear_entry,
841	.set_device_state	= rt2800usb_set_device_state,
842	.rfkill_poll		= rt2800_rfkill_poll,
843	.link_stats		= rt2800_link_stats,
844	.reset_tuner		= rt2800_reset_tuner,
845	.link_tuner		= rt2800_link_tuner,
846	.gain_calibration	= rt2800_gain_calibration,
847	.vco_calibration	= rt2800_vco_calibration,
848	.watchdog		= rt2800usb_watchdog,
849	.start_queue		= rt2800usb_start_queue,
850	.kick_queue		= rt2x00usb_kick_queue,
851	.stop_queue		= rt2800usb_stop_queue,
852	.flush_queue		= rt2x00usb_flush_queue,
853	.tx_dma_done		= rt2800usb_tx_dma_done,
854	.write_tx_desc		= rt2800usb_write_tx_desc,
855	.write_tx_data		= rt2800_write_tx_data,
856	.write_beacon		= rt2800_write_beacon,
857	.clear_beacon		= rt2800_clear_beacon,
858	.get_tx_data_len	= rt2800usb_get_tx_data_len,
859	.fill_rxdone		= rt2800usb_fill_rxdone,
860	.config_shared_key	= rt2800_config_shared_key,
861	.config_pairwise_key	= rt2800_config_pairwise_key,
862	.config_filter		= rt2800_config_filter,
863	.config_intf		= rt2800_config_intf,
864	.config_erp		= rt2800_config_erp,
865	.config_ant		= rt2800_config_ant,
866	.config			= rt2800_config,
867	.sta_add		= rt2800_sta_add,
868	.sta_remove		= rt2800_sta_remove,
869};
870
871static const struct data_queue_desc rt2800usb_queue_rx = {
872	.entry_num		= 128,
873	.data_size		= AGGREGATION_SIZE,
874	.desc_size		= RXINFO_DESC_SIZE + RXWI_DESC_SIZE,
875	.priv_size		= sizeof(struct queue_entry_priv_usb),
876};
877
878static const struct data_queue_desc rt2800usb_queue_tx = {
879	.entry_num		= 16,
880	.data_size		= AGGREGATION_SIZE,
881	.desc_size		= TXINFO_DESC_SIZE + TXWI_DESC_SIZE,
882	.priv_size		= sizeof(struct queue_entry_priv_usb),
883};
884
885static const struct data_queue_desc rt2800usb_queue_bcn = {
886	.entry_num		= 8,
887	.data_size		= MGMT_FRAME_SIZE,
888	.desc_size		= TXINFO_DESC_SIZE + TXWI_DESC_SIZE,
889	.priv_size		= sizeof(struct queue_entry_priv_usb),
890};
891
892static const struct rt2x00_ops rt2800usb_ops = {
893	.name			= KBUILD_MODNAME,
894	.drv_data_size		= sizeof(struct rt2800_drv_data),
895	.max_sta_intf		= 1,
896	.max_ap_intf		= 8,
897	.eeprom_size		= EEPROM_SIZE,
898	.rf_size		= RF_SIZE,
899	.tx_queues		= NUM_TX_QUEUES,
900	.extra_tx_headroom	= TXINFO_DESC_SIZE + TXWI_DESC_SIZE,
901	.rx			= &rt2800usb_queue_rx,
902	.tx			= &rt2800usb_queue_tx,
903	.bcn			= &rt2800usb_queue_bcn,
904	.lib			= &rt2800usb_rt2x00_ops,
905	.drv			= &rt2800usb_rt2800_ops,
906	.hw			= &rt2800usb_mac80211_ops,
907#ifdef CONFIG_RT2X00_LIB_DEBUGFS
908	.debugfs		= &rt2800_rt2x00debug,
909#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
910};
911
912/*
913 * rt2800usb module information.
914 */
915static struct usb_device_id rt2800usb_device_table[] = {
916	/* Abocom */
917	{ USB_DEVICE(0x07b8, 0x2870) },
918	{ USB_DEVICE(0x07b8, 0x2770) },
919	{ USB_DEVICE(0x07b8, 0x3070) },
920	{ USB_DEVICE(0x07b8, 0x3071) },
921	{ USB_DEVICE(0x07b8, 0x3072) },
922	{ USB_DEVICE(0x1482, 0x3c09) },
923	/* AirTies */
924	{ USB_DEVICE(0x1eda, 0x2012) },
925	{ USB_DEVICE(0x1eda, 0x2210) },
926	{ USB_DEVICE(0x1eda, 0x2310) },
927	/* Allwin */
928	{ USB_DEVICE(0x8516, 0x2070) },
929	{ USB_DEVICE(0x8516, 0x2770) },
930	{ USB_DEVICE(0x8516, 0x2870) },
931	{ USB_DEVICE(0x8516, 0x3070) },
932	{ USB_DEVICE(0x8516, 0x3071) },
933	{ USB_DEVICE(0x8516, 0x3072) },
934	/* Alpha Networks */
935	{ USB_DEVICE(0x14b2, 0x3c06) },
936	{ USB_DEVICE(0x14b2, 0x3c07) },
937	{ USB_DEVICE(0x14b2, 0x3c09) },
938	{ USB_DEVICE(0x14b2, 0x3c12) },
939	{ USB_DEVICE(0x14b2, 0x3c23) },
940	{ USB_DEVICE(0x14b2, 0x3c25) },
941	{ USB_DEVICE(0x14b2, 0x3c27) },
942	{ USB_DEVICE(0x14b2, 0x3c28) },
943	{ USB_DEVICE(0x14b2, 0x3c2c) },
944	/* Amit */
945	{ USB_DEVICE(0x15c5, 0x0008) },
946	/* Askey */
947	{ USB_DEVICE(0x1690, 0x0740) },
948	/* ASUS */
949	{ USB_DEVICE(0x0b05, 0x1731) },
950	{ USB_DEVICE(0x0b05, 0x1732) },
951	{ USB_DEVICE(0x0b05, 0x1742) },
952	{ USB_DEVICE(0x0b05, 0x1784) },
953	{ USB_DEVICE(0x1761, 0x0b05) },
954	/* AzureWave */
955	{ USB_DEVICE(0x13d3, 0x3247) },
956	{ USB_DEVICE(0x13d3, 0x3273) },
957	{ USB_DEVICE(0x13d3, 0x3305) },
958	{ USB_DEVICE(0x13d3, 0x3307) },
959	{ USB_DEVICE(0x13d3, 0x3321) },
960	/* Belkin */
961	{ USB_DEVICE(0x050d, 0x8053) },
962	{ USB_DEVICE(0x050d, 0x805c) },
963	{ USB_DEVICE(0x050d, 0x815c) },
964	{ USB_DEVICE(0x050d, 0x825a) },
965	{ USB_DEVICE(0x050d, 0x825b) },
966	{ USB_DEVICE(0x050d, 0x935a) },
967	{ USB_DEVICE(0x050d, 0x935b) },
968	/* Buffalo */
969	{ USB_DEVICE(0x0411, 0x00e8) },
970	{ USB_DEVICE(0x0411, 0x0158) },
971	{ USB_DEVICE(0x0411, 0x015d) },
972	{ USB_DEVICE(0x0411, 0x016f) },
973	{ USB_DEVICE(0x0411, 0x01a2) },
974	/* Corega */
975	{ USB_DEVICE(0x07aa, 0x002f) },
976	{ USB_DEVICE(0x07aa, 0x003c) },
977	{ USB_DEVICE(0x07aa, 0x003f) },
978	{ USB_DEVICE(0x18c5, 0x0012) },
979	/* D-Link */
980	{ USB_DEVICE(0x07d1, 0x3c09) },
981	{ USB_DEVICE(0x07d1, 0x3c0a) },
982	{ USB_DEVICE(0x07d1, 0x3c0d) },
983	{ USB_DEVICE(0x07d1, 0x3c0e) },
984	{ USB_DEVICE(0x07d1, 0x3c0f) },
985	{ USB_DEVICE(0x07d1, 0x3c11) },
986	{ USB_DEVICE(0x07d1, 0x3c13) },
987	{ USB_DEVICE(0x07d1, 0x3c15) },
988	{ USB_DEVICE(0x07d1, 0x3c16) },
989	{ USB_DEVICE(0x2001, 0x3c1b) },
990	/* Draytek */
991	{ USB_DEVICE(0x07fa, 0x7712) },
992	/* DVICO */
993	{ USB_DEVICE(0x0fe9, 0xb307) },
994	/* Edimax */
995	{ USB_DEVICE(0x7392, 0x4085) },
996	{ USB_DEVICE(0x7392, 0x7711) },
997	{ USB_DEVICE(0x7392, 0x7717) },
998	{ USB_DEVICE(0x7392, 0x7718) },
999	{ USB_DEVICE(0x7392, 0x7722) },
1000	/* Encore */
1001	{ USB_DEVICE(0x203d, 0x1480) },
1002	{ USB_DEVICE(0x203d, 0x14a9) },
1003	/* EnGenius */
1004	{ USB_DEVICE(0x1740, 0x9701) },
1005	{ USB_DEVICE(0x1740, 0x9702) },
1006	{ USB_DEVICE(0x1740, 0x9703) },
1007	{ USB_DEVICE(0x1740, 0x9705) },
1008	{ USB_DEVICE(0x1740, 0x9706) },
1009	{ USB_DEVICE(0x1740, 0x9707) },
1010	{ USB_DEVICE(0x1740, 0x9708) },
1011	{ USB_DEVICE(0x1740, 0x9709) },
1012	/* Gemtek */
1013	{ USB_DEVICE(0x15a9, 0x0012) },
1014	/* Gigabyte */
1015	{ USB_DEVICE(0x1044, 0x800b) },
1016	{ USB_DEVICE(0x1044, 0x800d) },
1017	/* Hawking */
1018	{ USB_DEVICE(0x0e66, 0x0001) },
1019	{ USB_DEVICE(0x0e66, 0x0003) },
1020	{ USB_DEVICE(0x0e66, 0x0009) },
1021	{ USB_DEVICE(0x0e66, 0x000b) },
1022	{ USB_DEVICE(0x0e66, 0x0013) },
1023	{ USB_DEVICE(0x0e66, 0x0017) },
1024	{ USB_DEVICE(0x0e66, 0x0018) },
1025	/* I-O DATA */
1026	{ USB_DEVICE(0x04bb, 0x0945) },
1027	{ USB_DEVICE(0x04bb, 0x0947) },
1028	{ USB_DEVICE(0x04bb, 0x0948) },
1029	/* Linksys */
1030	{ USB_DEVICE(0x13b1, 0x0031) },
1031	{ USB_DEVICE(0x1737, 0x0070) },
1032	{ USB_DEVICE(0x1737, 0x0071) },
1033	{ USB_DEVICE(0x1737, 0x0077) },
1034	{ USB_DEVICE(0x1737, 0x0078) },
1035	/* Logitec */
1036	{ USB_DEVICE(0x0789, 0x0162) },
1037	{ USB_DEVICE(0x0789, 0x0163) },
1038	{ USB_DEVICE(0x0789, 0x0164) },
1039	{ USB_DEVICE(0x0789, 0x0166) },
1040	/* Motorola */
1041	{ USB_DEVICE(0x100d, 0x9031) },
1042	/* MSI */
1043	{ USB_DEVICE(0x0db0, 0x3820) },
1044	{ USB_DEVICE(0x0db0, 0x3821) },
1045	{ USB_DEVICE(0x0db0, 0x3822) },
1046	{ USB_DEVICE(0x0db0, 0x3870) },
1047	{ USB_DEVICE(0x0db0, 0x3871) },
1048	{ USB_DEVICE(0x0db0, 0x6899) },
1049	{ USB_DEVICE(0x0db0, 0x821a) },
1050	{ USB_DEVICE(0x0db0, 0x822a) },
1051	{ USB_DEVICE(0x0db0, 0x822b) },
1052	{ USB_DEVICE(0x0db0, 0x822c) },
1053	{ USB_DEVICE(0x0db0, 0x870a) },
1054	{ USB_DEVICE(0x0db0, 0x871a) },
1055	{ USB_DEVICE(0x0db0, 0x871b) },
1056	{ USB_DEVICE(0x0db0, 0x871c) },
1057	{ USB_DEVICE(0x0db0, 0x899a) },
1058	/* Ovislink */
1059	{ USB_DEVICE(0x1b75, 0x3071) },
1060	{ USB_DEVICE(0x1b75, 0x3072) },
1061	/* Para */
1062	{ USB_DEVICE(0x20b8, 0x8888) },
1063	/* Pegatron */
1064	{ USB_DEVICE(0x1d4d, 0x0002) },
1065	{ USB_DEVICE(0x1d4d, 0x000c) },
1066	{ USB_DEVICE(0x1d4d, 0x000e) },
1067	{ USB_DEVICE(0x1d4d, 0x0011) },
1068	/* Philips */
1069	{ USB_DEVICE(0x0471, 0x200f) },
1070	/* Planex */
1071	{ USB_DEVICE(0x2019, 0x5201) },
1072	{ USB_DEVICE(0x2019, 0xab25) },
1073	{ USB_DEVICE(0x2019, 0xed06) },
1074	/* Quanta */
1075	{ USB_DEVICE(0x1a32, 0x0304) },
1076	/* Ralink */
1077	{ USB_DEVICE(0x148f, 0x2070) },
1078	{ USB_DEVICE(0x148f, 0x2770) },
1079	{ USB_DEVICE(0x148f, 0x2870) },
1080	{ USB_DEVICE(0x148f, 0x3070) },
1081	{ USB_DEVICE(0x148f, 0x3071) },
1082	{ USB_DEVICE(0x148f, 0x3072) },
1083	/* Samsung */
1084	{ USB_DEVICE(0x04e8, 0x2018) },
1085	/* Siemens */
1086	{ USB_DEVICE(0x129b, 0x1828) },
1087	/* Sitecom */
1088	{ USB_DEVICE(0x0df6, 0x0017) },
1089	{ USB_DEVICE(0x0df6, 0x002b) },
1090	{ USB_DEVICE(0x0df6, 0x002c) },
1091	{ USB_DEVICE(0x0df6, 0x002d) },
1092	{ USB_DEVICE(0x0df6, 0x0039) },
1093	{ USB_DEVICE(0x0df6, 0x003b) },
1094	{ USB_DEVICE(0x0df6, 0x003d) },
1095	{ USB_DEVICE(0x0df6, 0x003e) },
1096	{ USB_DEVICE(0x0df6, 0x003f) },
1097	{ USB_DEVICE(0x0df6, 0x0040) },
1098	{ USB_DEVICE(0x0df6, 0x0042) },
1099	{ USB_DEVICE(0x0df6, 0x0047) },
1100	{ USB_DEVICE(0x0df6, 0x0048) },
1101	{ USB_DEVICE(0x0df6, 0x0051) },
1102	{ USB_DEVICE(0x0df6, 0x005f) },
1103	{ USB_DEVICE(0x0df6, 0x0060) },
1104	/* SMC */
1105	{ USB_DEVICE(0x083a, 0x6618) },
1106	{ USB_DEVICE(0x083a, 0x7511) },
1107	{ USB_DEVICE(0x083a, 0x7512) },
1108	{ USB_DEVICE(0x083a, 0x7522) },
1109	{ USB_DEVICE(0x083a, 0x8522) },
1110	{ USB_DEVICE(0x083a, 0xa618) },
1111	{ USB_DEVICE(0x083a, 0xa701) },
1112	{ USB_DEVICE(0x083a, 0xa702) },
1113	{ USB_DEVICE(0x083a, 0xa703) },
1114	{ USB_DEVICE(0x083a, 0xb522) },
1115	/* Sparklan */
1116	{ USB_DEVICE(0x15a9, 0x0006) },
1117	/* Sweex */
1118	{ USB_DEVICE(0x177f, 0x0153) },
1119	{ USB_DEVICE(0x177f, 0x0302) },
1120	{ USB_DEVICE(0x177f, 0x0313) },
1121	/* U-Media */
1122	{ USB_DEVICE(0x157e, 0x300e) },
1123	{ USB_DEVICE(0x157e, 0x3013) },
1124	/* ZCOM */
1125	{ USB_DEVICE(0x0cde, 0x0022) },
1126	{ USB_DEVICE(0x0cde, 0x0025) },
1127	/* Zinwell */
1128	{ USB_DEVICE(0x5a57, 0x0280) },
1129	{ USB_DEVICE(0x5a57, 0x0282) },
1130	{ USB_DEVICE(0x5a57, 0x0283) },
1131	{ USB_DEVICE(0x5a57, 0x5257) },
1132	/* Zyxel */
1133	{ USB_DEVICE(0x0586, 0x3416) },
1134	{ USB_DEVICE(0x0586, 0x3418) },
1135	{ USB_DEVICE(0x0586, 0x341e) },
1136	{ USB_DEVICE(0x0586, 0x343e) },
1137#ifdef CONFIG_RT2800USB_RT33XX
1138	/* Belkin */
1139	{ USB_DEVICE(0x050d, 0x945b) },
1140	/* Panasonic */
1141	{ USB_DEVICE(0x083a, 0xb511) },
1142	/* Philips */
1143	{ USB_DEVICE(0x0471, 0x20dd) },
1144	/* Ralink */
1145	{ USB_DEVICE(0x148f, 0x3370) },
1146	{ USB_DEVICE(0x148f, 0x8070) },
1147	/* Sitecom */
1148	{ USB_DEVICE(0x0df6, 0x0050) },
1149#endif
1150#ifdef CONFIG_RT2800USB_RT35XX
1151	/* Allwin */
1152	{ USB_DEVICE(0x8516, 0x3572) },
1153	/* Askey */
1154	{ USB_DEVICE(0x1690, 0x0744) },
1155	{ USB_DEVICE(0x1690, 0x0761) },
1156	{ USB_DEVICE(0x1690, 0x0764) },
1157	/* Cisco */
1158	{ USB_DEVICE(0x167b, 0x4001) },
1159	/* EnGenius */
1160	{ USB_DEVICE(0x1740, 0x9801) },
1161	/* I-O DATA */
1162	{ USB_DEVICE(0x04bb, 0x0944) },
1163	/* Linksys */
1164	{ USB_DEVICE(0x13b1, 0x002f) },
1165	{ USB_DEVICE(0x1737, 0x0079) },
1166	/* Ralink */
1167	{ USB_DEVICE(0x148f, 0x3572) },
1168	/* Sitecom */
1169	{ USB_DEVICE(0x0df6, 0x0041) },
1170	{ USB_DEVICE(0x0df6, 0x0062) },
1171	{ USB_DEVICE(0x0df6, 0x0065) },
1172	{ USB_DEVICE(0x0df6, 0x0066) },
1173	{ USB_DEVICE(0x0df6, 0x0068) },
1174	/* Toshiba */
1175	{ USB_DEVICE(0x0930, 0x0a07) },
1176	/* Zinwell */
1177	{ USB_DEVICE(0x5a57, 0x0284) },
1178#endif
1179#ifdef CONFIG_RT2800USB_RT53XX
1180	/* Arcadyan */
1181	{ USB_DEVICE(0x043e, 0x7a12) },
1182	/* Azurewave */
1183	{ USB_DEVICE(0x13d3, 0x3329) },
1184	{ USB_DEVICE(0x13d3, 0x3365) },
1185	/* D-Link */
1186	{ USB_DEVICE(0x2001, 0x3c15) },
1187	{ USB_DEVICE(0x2001, 0x3c19) },
1188	{ USB_DEVICE(0x2001, 0x3c1c) },
1189	{ USB_DEVICE(0x2001, 0x3c1d) },
1190	/* LG innotek */
1191	{ USB_DEVICE(0x043e, 0x7a22) },
1192	/* Panasonic */
1193	{ USB_DEVICE(0x04da, 0x1801) },
1194	{ USB_DEVICE(0x04da, 0x1800) },
1195	/* Philips */
1196	{ USB_DEVICE(0x0471, 0x2104) },
1197	/* Ralink */
1198	{ USB_DEVICE(0x148f, 0x5370) },
1199	{ USB_DEVICE(0x148f, 0x5372) },
1200	/* Unknown */
1201	{ USB_DEVICE(0x04da, 0x23f6) },
1202#endif
1203#ifdef CONFIG_RT2800USB_UNKNOWN
1204	/*
1205	 * Unclear what kind of devices these are (they aren't supported by the
1206	 * vendor linux driver).
1207	 */
1208	/* Abocom */
1209	{ USB_DEVICE(0x07b8, 0x3073) },
1210	{ USB_DEVICE(0x07b8, 0x3074) },
1211	/* Alpha Networks */
1212	{ USB_DEVICE(0x14b2, 0x3c08) },
1213	{ USB_DEVICE(0x14b2, 0x3c11) },
1214	/* Amigo */
1215	{ USB_DEVICE(0x0e0b, 0x9031) },
1216	{ USB_DEVICE(0x0e0b, 0x9041) },
1217	/* ASUS */
1218	{ USB_DEVICE(0x0b05, 0x166a) },
1219	{ USB_DEVICE(0x0b05, 0x1760) },
1220	{ USB_DEVICE(0x0b05, 0x1761) },
1221	{ USB_DEVICE(0x0b05, 0x1790) },
1222	{ USB_DEVICE(0x0b05, 0x179d) },
1223	/* AzureWave */
1224	{ USB_DEVICE(0x13d3, 0x3262) },
1225	{ USB_DEVICE(0x13d3, 0x3284) },
1226	{ USB_DEVICE(0x13d3, 0x3322) },
1227	/* Belkin */
1228	{ USB_DEVICE(0x050d, 0x1003) },
1229	/* Buffalo */
1230	{ USB_DEVICE(0x0411, 0x012e) },
1231	{ USB_DEVICE(0x0411, 0x0148) },
1232	{ USB_DEVICE(0x0411, 0x0150) },
1233	/* Corega */
1234	{ USB_DEVICE(0x07aa, 0x0041) },
1235	{ USB_DEVICE(0x07aa, 0x0042) },
1236	{ USB_DEVICE(0x18c5, 0x0008) },
1237	/* D-Link */
1238	{ USB_DEVICE(0x07d1, 0x3c0b) },
1239	{ USB_DEVICE(0x07d1, 0x3c17) },
1240	{ USB_DEVICE(0x2001, 0x3c17) },
1241	/* Encore */
1242	{ USB_DEVICE(0x203d, 0x14a1) },
1243	/* Gemtek */
1244	{ USB_DEVICE(0x15a9, 0x0010) },
1245	/* Gigabyte */
1246	{ USB_DEVICE(0x1044, 0x800c) },
1247	/* Huawei */
1248	{ USB_DEVICE(0x148f, 0xf101) },
1249	/* I-O DATA */
1250	{ USB_DEVICE(0x04bb, 0x094b) },
1251	/* LevelOne */
1252	{ USB_DEVICE(0x1740, 0x0605) },
1253	{ USB_DEVICE(0x1740, 0x0615) },
1254	/* Logitec */
1255	{ USB_DEVICE(0x0789, 0x0168) },
1256	{ USB_DEVICE(0x0789, 0x0169) },
1257	/* Motorola */
1258	{ USB_DEVICE(0x100d, 0x9032) },
1259	/* Pegatron */
1260	{ USB_DEVICE(0x05a6, 0x0101) },
1261	{ USB_DEVICE(0x1d4d, 0x0010) },
1262	/* Planex */
1263	{ USB_DEVICE(0x2019, 0xab24) },
1264	/* Qcom */
1265	{ USB_DEVICE(0x18e8, 0x6259) },
1266	/* RadioShack */
1267	{ USB_DEVICE(0x08b9, 0x1197) },
1268	/* Sitecom */
1269	{ USB_DEVICE(0x0df6, 0x003c) },
1270	{ USB_DEVICE(0x0df6, 0x004a) },
1271	{ USB_DEVICE(0x0df6, 0x004d) },
1272	{ USB_DEVICE(0x0df6, 0x0053) },
1273	/* SMC */
1274	{ USB_DEVICE(0x083a, 0xa512) },
1275	{ USB_DEVICE(0x083a, 0xc522) },
1276	{ USB_DEVICE(0x083a, 0xd522) },
1277	{ USB_DEVICE(0x083a, 0xf511) },
1278	/* Zyxel */
1279	{ USB_DEVICE(0x0586, 0x341a) },
1280#endif
1281	{ 0, }
1282};
1283
1284MODULE_AUTHOR(DRV_PROJECT);
1285MODULE_VERSION(DRV_VERSION);
1286MODULE_DESCRIPTION("Ralink RT2800 USB Wireless LAN driver.");
1287MODULE_SUPPORTED_DEVICE("Ralink RT2870 USB chipset based cards");
1288MODULE_DEVICE_TABLE(usb, rt2800usb_device_table);
1289MODULE_FIRMWARE(FIRMWARE_RT2870);
1290MODULE_LICENSE("GPL");
1291
1292static int rt2800usb_probe(struct usb_interface *usb_intf,
1293			   const struct usb_device_id *id)
1294{
1295	return rt2x00usb_probe(usb_intf, &rt2800usb_ops);
1296}
1297
1298static struct usb_driver rt2800usb_driver = {
1299	.name		= KBUILD_MODNAME,
1300	.id_table	= rt2800usb_device_table,
1301	.probe		= rt2800usb_probe,
1302	.disconnect	= rt2x00usb_disconnect,
1303	.suspend	= rt2x00usb_suspend,
1304	.resume		= rt2x00usb_resume,
1305};
1306
1307module_usb_driver(rt2800usb_driver);
1308