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  */
48 static bool modparam_nohwcrypt;
49 module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
50 MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
51 
52 /*
53  * Queue handlers.
54  */
rt2800usb_start_queue(struct data_queue * queue)55 static 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 
rt2800usb_stop_queue(struct data_queue * queue)78 static 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  */
rt2800usb_txstatus_pending(struct rt2x00_dev * rt2x00dev)105 static 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 
rt2800usb_tx_sta_fifo_read_completed(struct rt2x00_dev * rt2x00dev,int urb_status,u32 tx_status)117 static bool rt2800usb_tx_sta_fifo_read_completed(struct rt2x00_dev *rt2x00dev,
118 						 int urb_status, u32 tx_status)
119 {
120 	if (urb_status) {
121 		WARNING(rt2x00dev, "rt2x00usb_register_read_async failed: %d\n", urb_status);
122 		return false;
123 	}
124 
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);
131 		} else
132 			return true;
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));
137 	}
138 
139 	return false;
140 }
141 
rt2800usb_tx_dma_done(struct queue_entry * entry)142 static void rt2800usb_tx_dma_done(struct queue_entry *entry)
143 {
144 	struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
145 
146 	rt2x00usb_register_read_async(rt2x00dev, TX_STA_FIFO,
147 				      rt2800usb_tx_sta_fifo_read_completed);
148 }
149 
rt2800usb_tx_sta_fifo_timeout(unsigned long data)150 static void rt2800usb_tx_sta_fifo_timeout(unsigned long data)
151 {
152 	struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
153 
154 	rt2x00usb_register_read_async(rt2x00dev, TX_STA_FIFO,
155 				      rt2800usb_tx_sta_fifo_read_completed);
156 }
157 
158 /*
159  * Firmware functions
160  */
rt2800usb_get_firmware_name(struct rt2x00_dev * rt2x00dev)161 static char *rt2800usb_get_firmware_name(struct rt2x00_dev *rt2x00dev)
162 {
163 	return FIRMWARE_RT2870;
164 }
165 
rt2800usb_write_firmware(struct rt2x00_dev * rt2x00dev,const u8 * data,const size_t len)166 static int rt2800usb_write_firmware(struct rt2x00_dev *rt2x00dev,
167 				    const u8 *data, const size_t len)
168 {
169 	int status;
170 	u32 offset;
171 	u32 length;
172 
173 	/*
174 	 * Check which section of the firmware we need.
175 	 */
176 	if (rt2x00_rt(rt2x00dev, RT2860) ||
177 	    rt2x00_rt(rt2x00dev, RT2872) ||
178 	    rt2x00_rt(rt2x00dev, RT3070)) {
179 		offset = 0;
180 		length = 4096;
181 	} else {
182 		offset = 4096;
183 		length = 4096;
184 	}
185 
186 	/*
187 	 * Write firmware to device.
188 	 */
189 	rt2x00usb_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE,
190 				      data + offset, length);
191 
192 	rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0);
193 	rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0);
194 
195 	/*
196 	 * Send firmware request to device to load firmware,
197 	 * we need to specify a long timeout time.
198 	 */
199 	status = rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE,
200 					     0, USB_MODE_FIRMWARE,
201 					     REGISTER_TIMEOUT_FIRMWARE);
202 	if (status < 0) {
203 		ERROR(rt2x00dev, "Failed to write Firmware to device.\n");
204 		return status;
205 	}
206 
207 	msleep(10);
208 	rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
209 
210 	return 0;
211 }
212 
213 /*
214  * Device state switch handlers.
215  */
rt2800usb_init_registers(struct rt2x00_dev * rt2x00dev)216 static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
217 {
218 	u32 reg;
219 
220 	/*
221 	 * Wait until BBP and RF are ready.
222 	 */
223 	if (rt2800_wait_csr_ready(rt2x00dev))
224 		return -EBUSY;
225 
226 	rt2x00usb_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
227 	rt2x00usb_register_write(rt2x00dev, PBF_SYS_CTRL, reg & ~0x00002000);
228 
229 	rt2x00usb_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
230 
231 	rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
232 	rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_CSR, 1);
233 	rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_BBP, 1);
234 	rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
235 
236 	rt2x00usb_register_write(rt2x00dev, USB_DMA_CFG, 0x00000000);
237 
238 	rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0,
239 				    USB_MODE_RESET, REGISTER_TIMEOUT);
240 
241 	rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
242 
243 	return 0;
244 }
245 
rt2800usb_enable_radio(struct rt2x00_dev * rt2x00dev)246 static int rt2800usb_enable_radio(struct rt2x00_dev *rt2x00dev)
247 {
248 	u32 reg;
249 
250 	if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev)))
251 		return -EIO;
252 
253 	rt2x00usb_register_read(rt2x00dev, USB_DMA_CFG, &reg);
254 	rt2x00_set_field32(&reg, USB_DMA_CFG_PHY_CLEAR, 0);
255 	rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_EN, 0);
256 	rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_TIMEOUT, 128);
257 	/*
258 	 * Total room for RX frames in kilobytes, PBF might still exceed
259 	 * this limit so reduce the number to prevent errors.
260 	 */
261 	rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_LIMIT,
262 			   ((rt2x00dev->ops->rx->entry_num * DATA_FRAME_SIZE)
263 			    / 1024) - 3);
264 	rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_EN, 1);
265 	rt2x00_set_field32(&reg, USB_DMA_CFG_TX_BULK_EN, 1);
266 	rt2x00usb_register_write(rt2x00dev, USB_DMA_CFG, reg);
267 
268 	return rt2800_enable_radio(rt2x00dev);
269 }
270 
rt2800usb_disable_radio(struct rt2x00_dev * rt2x00dev)271 static void rt2800usb_disable_radio(struct rt2x00_dev *rt2x00dev)
272 {
273 	rt2800_disable_radio(rt2x00dev);
274 	rt2x00usb_disable_radio(rt2x00dev);
275 }
276 
rt2800usb_set_state(struct rt2x00_dev * rt2x00dev,enum dev_state state)277 static int rt2800usb_set_state(struct rt2x00_dev *rt2x00dev,
278 			       enum dev_state state)
279 {
280 	if (state == STATE_AWAKE)
281 		rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, 0xff, 0, 2);
282 	else
283 		rt2800_mcu_request(rt2x00dev, MCU_SLEEP, 0xff, 0xff, 2);
284 
285 	return 0;
286 }
287 
rt2800usb_set_device_state(struct rt2x00_dev * rt2x00dev,enum dev_state state)288 static int rt2800usb_set_device_state(struct rt2x00_dev *rt2x00dev,
289 				      enum dev_state state)
290 {
291 	int retval = 0;
292 
293 	switch (state) {
294 	case STATE_RADIO_ON:
295 		/*
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.
299 		 */
300 		rt2800usb_set_state(rt2x00dev, STATE_AWAKE);
301 		msleep(1);
302 		retval = rt2800usb_enable_radio(rt2x00dev);
303 		break;
304 	case STATE_RADIO_OFF:
305 		/*
306 		 * After the radio has been disabled, the device should
307 		 * be put to sleep for powersaving.
308 		 */
309 		rt2800usb_disable_radio(rt2x00dev);
310 		rt2800usb_set_state(rt2x00dev, STATE_SLEEP);
311 		break;
312 	case STATE_RADIO_IRQ_ON:
313 	case STATE_RADIO_IRQ_OFF:
314 		/* No support, but no error either */
315 		break;
316 	case STATE_DEEP_SLEEP:
317 	case STATE_SLEEP:
318 	case STATE_STANDBY:
319 	case STATE_AWAKE:
320 		retval = rt2800usb_set_state(rt2x00dev, state);
321 		break;
322 	default:
323 		retval = -ENOTSUPP;
324 		break;
325 	}
326 
327 	if (unlikely(retval))
328 		ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n",
329 		      state, retval);
330 
331 	return retval;
332 }
333 
334 /*
335  * Watchdog handlers
336  */
rt2800usb_watchdog(struct rt2x00_dev * rt2x00dev)337 static void rt2800usb_watchdog(struct rt2x00_dev *rt2x00dev)
338 {
339 	unsigned int i;
340 	u32 reg;
341 
342 	rt2x00usb_register_read(rt2x00dev, TXRXQ_PCNT, &reg);
343 	if (rt2x00_get_field32(reg, TXRXQ_PCNT_TX0Q)) {
344 		WARNING(rt2x00dev, "TX HW queue 0 timed out,"
345 			" invoke forced kick\n");
346 
347 		rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40012);
348 
349 		for (i = 0; i < 10; i++) {
350 			udelay(10);
351 			if (!rt2x00_get_field32(reg, TXRXQ_PCNT_TX0Q))
352 				break;
353 		}
354 
355 		rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40006);
356 	}
357 
358 	rt2x00usb_register_read(rt2x00dev, TXRXQ_PCNT, &reg);
359 	if (rt2x00_get_field32(reg, TXRXQ_PCNT_TX1Q)) {
360 		WARNING(rt2x00dev, "TX HW queue 1 timed out,"
361 			" invoke forced kick\n");
362 
363 		rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf4000a);
364 
365 		for (i = 0; i < 10; i++) {
366 			udelay(10);
367 			if (!rt2x00_get_field32(reg, TXRXQ_PCNT_TX1Q))
368 				break;
369 		}
370 
371 		rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40006);
372 	}
373 
374 	rt2x00usb_watchdog(rt2x00dev);
375 }
376 
377 /*
378  * TX descriptor initialization
379  */
rt2800usb_get_txwi(struct queue_entry * entry)380 static __le32 *rt2800usb_get_txwi(struct queue_entry *entry)
381 {
382 	if (entry->queue->qid == QID_BEACON)
383 		return (__le32 *) (entry->skb->data);
384 	else
385 		return (__le32 *) (entry->skb->data + TXINFO_DESC_SIZE);
386 }
387 
rt2800usb_write_tx_desc(struct queue_entry * entry,struct txentry_desc * txdesc)388 static void rt2800usb_write_tx_desc(struct queue_entry *entry,
389 				    struct txentry_desc *txdesc)
390 {
391 	struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
392 	__le32 *txi = (__le32 *) entry->skb->data;
393 	u32 word;
394 
395 	/*
396 	 * Initialize TXINFO descriptor
397 	 */
398 	rt2x00_desc_read(txi, 0, &word);
399 
400 	/*
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.
404 	 */
405 	rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_PKT_LEN,
406 			   roundup(entry->skb->len, 4) - TXINFO_DESC_SIZE);
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);
415 
416 	/*
417 	 * Register descriptor details in skb frame descriptor.
418 	 */
419 	skbdesc->flags |= SKBDESC_DESC_IN_SKB;
420 	skbdesc->desc = txi;
421 	skbdesc->desc_len = TXINFO_DESC_SIZE + TXWI_DESC_SIZE;
422 }
423 
424 /*
425  * TX data initialization
426  */
rt2800usb_get_tx_data_len(struct queue_entry * entry)427 static int rt2800usb_get_tx_data_len(struct queue_entry *entry)
428 {
429 	/*
430 	 * pad(1~3 bytes) is needed after each 802.11 payload.
431 	 * USB end pad(4 bytes) is needed at each USB bulk out packet end.
432 	 * TX frame format is :
433 	 * | TXINFO | TXWI | 802.11 header | L2 pad | payload | pad | USB end pad |
434 	 *                 |<------------- tx_pkt_len ------------->|
435 	 */
436 
437 	return roundup(entry->skb->len, 4) + 4;
438 }
439 
440 /*
441  * TX control handlers
442  */
rt2800usb_txdone_entry_check(struct queue_entry * entry,u32 reg)443 static bool rt2800usb_txdone_entry_check(struct queue_entry *entry, u32 reg)
444 {
445 	__le32 *txwi;
446 	u32 word;
447 	int wcid, ack, pid;
448 	int tx_wcid, tx_ack, tx_pid;
449 
450 	if (test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags) ||
451 	    !test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags)) {
452 		WARNING(entry->queue->rt2x00dev,
453 			"Data pending for entry %u in queue %u\n",
454 			entry->entry_idx, entry->queue->qid);
455 		cond_resched();
456 		return false;
457 	}
458 
459 	wcid	= rt2x00_get_field32(reg, TX_STA_FIFO_WCID);
460 	ack	= rt2x00_get_field32(reg, TX_STA_FIFO_TX_ACK_REQUIRED);
461 	pid	= rt2x00_get_field32(reg, TX_STA_FIFO_PID_TYPE);
462 
463 	/*
464 	 * This frames has returned with an IO error,
465 	 * so the status report is not intended for this
466 	 * frame.
467 	 */
468 	if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags)) {
469 		rt2x00lib_txdone_noinfo(entry, TXDONE_FAILURE);
470 		return false;
471 	}
472 
473 	/*
474 	 * Validate if this TX status report is intended for
475 	 * this entry by comparing the WCID/ACK/PID fields.
476 	 */
477 	txwi = rt2800usb_get_txwi(entry);
478 
479 	rt2x00_desc_read(txwi, 1, &word);
480 	tx_wcid = rt2x00_get_field32(word, TXWI_W1_WIRELESS_CLI_ID);
481 	tx_ack  = rt2x00_get_field32(word, TXWI_W1_ACK);
482 	tx_pid  = rt2x00_get_field32(word, TXWI_W1_PACKETID);
483 
484 	if ((wcid != tx_wcid) || (ack != tx_ack) || (pid != tx_pid)) {
485 		WARNING(entry->queue->rt2x00dev,
486 			"TX status report missed for queue %d entry %d\n",
487 		entry->queue->qid, entry->entry_idx);
488 		rt2x00lib_txdone_noinfo(entry, TXDONE_UNKNOWN);
489 		return false;
490 	}
491 
492 	return true;
493 }
494 
rt2800usb_txdone(struct rt2x00_dev * rt2x00dev)495 static void rt2800usb_txdone(struct rt2x00_dev *rt2x00dev)
496 {
497 	struct data_queue *queue;
498 	struct queue_entry *entry;
499 	u32 reg;
500 	u8 qid;
501 
502 	while (kfifo_get(&rt2x00dev->txstatus_fifo, &reg)) {
503 
504 		/* TX_STA_FIFO_PID_QUEUE is a 2-bit field, thus
505 		 * qid is guaranteed to be one of the TX QIDs
506 		 */
507 		qid = rt2x00_get_field32(reg, TX_STA_FIFO_PID_QUEUE);
508 		queue = rt2x00queue_get_tx_queue(rt2x00dev, qid);
509 		if (unlikely(!queue)) {
510 			WARNING(rt2x00dev, "Got TX status for an unavailable "
511 					   "queue %u, dropping\n", qid);
512 			continue;
513 		}
514 
515 		/*
516 		 * Inside each queue, we process each entry in a chronological
517 		 * order. We first check that the queue is not empty.
518 		 */
519 		entry = NULL;
520 		while (!rt2x00queue_empty(queue)) {
521 			entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
522 			if (rt2800usb_txdone_entry_check(entry, reg))
523 				break;
524 			entry = NULL;
525 		}
526 
527 		if (entry)
528 			rt2800_txdone_entry(entry, reg,
529 					    rt2800usb_get_txwi(entry));
530 	}
531 }
532 
rt2800usb_work_txdone(struct work_struct * work)533 static void rt2800usb_work_txdone(struct work_struct *work)
534 {
535 	struct rt2x00_dev *rt2x00dev =
536 	    container_of(work, struct rt2x00_dev, txdone_work);
537 	struct data_queue *queue;
538 	struct queue_entry *entry;
539 
540 	rt2800usb_txdone(rt2x00dev);
541 
542 	/*
543 	 * Process any trailing TX status reports for IO failures,
544 	 * we loop until we find the first non-IO error entry. This
545 	 * can either be a frame which is free, is being uploaded,
546 	 * or has completed the upload but didn't have an entry
547 	 * in the TX_STAT_FIFO register yet.
548 	 */
549 	tx_queue_for_each(rt2x00dev, queue) {
550 		while (!rt2x00queue_empty(queue)) {
551 			entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
552 
553 			if (test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags) ||
554 			    !test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))
555 				break;
556 
557 			if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags))
558 				rt2x00lib_txdone_noinfo(entry, TXDONE_FAILURE);
559 			else if (rt2x00queue_status_timeout(entry))
560 				rt2x00lib_txdone_noinfo(entry, TXDONE_UNKNOWN);
561 			else
562 				break;
563 		}
564 	}
565 
566 	/*
567 	 * The hw may delay sending the packet after DMA complete
568 	 * if the medium is busy, thus the TX_STA_FIFO entry is
569 	 * also delayed -> use a timer to retrieve it.
570 	 */
571 	if (rt2800usb_txstatus_pending(rt2x00dev))
572 		mod_timer(&rt2x00dev->txstatus_timer, jiffies + msecs_to_jiffies(2));
573 }
574 
575 /*
576  * RX control handlers
577  */
rt2800usb_fill_rxdone(struct queue_entry * entry,struct rxdone_entry_desc * rxdesc)578 static void rt2800usb_fill_rxdone(struct queue_entry *entry,
579 				  struct rxdone_entry_desc *rxdesc)
580 {
581 	struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
582 	__le32 *rxi = (__le32 *)entry->skb->data;
583 	__le32 *rxd;
584 	u32 word;
585 	int rx_pkt_len;
586 
587 	/*
588 	 * Copy descriptor to the skbdesc->desc buffer, making it safe from
589 	 * moving of frame data in rt2x00usb.
590 	 */
591 	memcpy(skbdesc->desc, rxi, skbdesc->desc_len);
592 
593 	/*
594 	 * RX frame format is :
595 	 * | RXINFO | RXWI | header | L2 pad | payload | pad | RXD | USB pad |
596 	 *          |<------------ rx_pkt_len -------------->|
597 	 */
598 	rt2x00_desc_read(rxi, 0, &word);
599 	rx_pkt_len = rt2x00_get_field32(word, RXINFO_W0_USB_DMA_RX_PKT_LEN);
600 
601 	/*
602 	 * Remove the RXINFO structure from the sbk.
603 	 */
604 	skb_pull(entry->skb, RXINFO_DESC_SIZE);
605 
606 	/*
607 	 * FIXME: we need to check for rx_pkt_len validity
608 	 */
609 	rxd = (__le32 *)(entry->skb->data + rx_pkt_len);
610 
611 	/*
612 	 * It is now safe to read the descriptor on all architectures.
613 	 */
614 	rt2x00_desc_read(rxd, 0, &word);
615 
616 	if (rt2x00_get_field32(word, RXD_W0_CRC_ERROR))
617 		rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
618 
619 	rxdesc->cipher_status = rt2x00_get_field32(word, RXD_W0_CIPHER_ERROR);
620 
621 	if (rt2x00_get_field32(word, RXD_W0_DECRYPTED)) {
622 		/*
623 		 * Hardware has stripped IV/EIV data from 802.11 frame during
624 		 * decryption. Unfortunately the descriptor doesn't contain
625 		 * any fields with the EIV/IV data either, so they can't
626 		 * be restored by rt2x00lib.
627 		 */
628 		rxdesc->flags |= RX_FLAG_IV_STRIPPED;
629 
630 		/*
631 		 * The hardware has already checked the Michael Mic and has
632 		 * stripped it from the frame. Signal this to mac80211.
633 		 */
634 		rxdesc->flags |= RX_FLAG_MMIC_STRIPPED;
635 
636 		if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS)
637 			rxdesc->flags |= RX_FLAG_DECRYPTED;
638 		else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC)
639 			rxdesc->flags |= RX_FLAG_MMIC_ERROR;
640 	}
641 
642 	if (rt2x00_get_field32(word, RXD_W0_MY_BSS))
643 		rxdesc->dev_flags |= RXDONE_MY_BSS;
644 
645 	if (rt2x00_get_field32(word, RXD_W0_L2PAD))
646 		rxdesc->dev_flags |= RXDONE_L2PAD;
647 
648 	/*
649 	 * Remove RXD descriptor from end of buffer.
650 	 */
651 	skb_trim(entry->skb, rx_pkt_len);
652 
653 	/*
654 	 * Process the RXWI structure.
655 	 */
656 	rt2800_process_rxwi(entry, rxdesc);
657 }
658 
659 /*
660  * Device probe functions.
661  */
rt2800usb_validate_eeprom(struct rt2x00_dev * rt2x00dev)662 static int rt2800usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
663 {
664 	if (rt2800_efuse_detect(rt2x00dev))
665 		rt2800_read_eeprom_efuse(rt2x00dev);
666 	else
667 		rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom,
668 				      EEPROM_SIZE);
669 
670 	return rt2800_validate_eeprom(rt2x00dev);
671 }
672 
rt2800usb_probe_hw(struct rt2x00_dev * rt2x00dev)673 static int rt2800usb_probe_hw(struct rt2x00_dev *rt2x00dev)
674 {
675 	int retval;
676 
677 	/*
678 	 * Allocate eeprom data.
679 	 */
680 	retval = rt2800usb_validate_eeprom(rt2x00dev);
681 	if (retval)
682 		return retval;
683 
684 	retval = rt2800_init_eeprom(rt2x00dev);
685 	if (retval)
686 		return retval;
687 
688 	/*
689 	 * Initialize hw specifications.
690 	 */
691 	retval = rt2800_probe_hw_mode(rt2x00dev);
692 	if (retval)
693 		return retval;
694 
695 	/*
696 	 * This device has multiple filters for control frames
697 	 * and has a separate filter for PS Poll frames.
698 	 */
699 	__set_bit(CAPABILITY_CONTROL_FILTERS, &rt2x00dev->cap_flags);
700 	__set_bit(CAPABILITY_CONTROL_FILTER_PSPOLL, &rt2x00dev->cap_flags);
701 
702 	/*
703 	 * This device requires firmware.
704 	 */
705 	__set_bit(REQUIRE_FIRMWARE, &rt2x00dev->cap_flags);
706 	__set_bit(REQUIRE_L2PAD, &rt2x00dev->cap_flags);
707 	if (!modparam_nohwcrypt)
708 		__set_bit(CAPABILITY_HW_CRYPTO, &rt2x00dev->cap_flags);
709 	__set_bit(CAPABILITY_LINK_TUNING, &rt2x00dev->cap_flags);
710 	__set_bit(REQUIRE_HT_TX_DESC, &rt2x00dev->cap_flags);
711 	__set_bit(REQUIRE_TXSTATUS_FIFO, &rt2x00dev->cap_flags);
712 	__set_bit(REQUIRE_PS_AUTOWAKE, &rt2x00dev->cap_flags);
713 
714 	setup_timer(&rt2x00dev->txstatus_timer,
715 		    rt2800usb_tx_sta_fifo_timeout,
716 		    (unsigned long) rt2x00dev);
717 
718 	/*
719 	 * Set the rssi offset.
720 	 */
721 	rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
722 
723 	/*
724 	 * Overwrite TX done handler
725 	 */
726 	PREPARE_WORK(&rt2x00dev->txdone_work, rt2800usb_work_txdone);
727 
728 	return 0;
729 }
730 
731 static const struct ieee80211_ops rt2800usb_mac80211_ops = {
732 	.tx			= rt2x00mac_tx,
733 	.start			= rt2x00mac_start,
734 	.stop			= rt2x00mac_stop,
735 	.add_interface		= rt2x00mac_add_interface,
736 	.remove_interface	= rt2x00mac_remove_interface,
737 	.config			= rt2x00mac_config,
738 	.configure_filter	= rt2x00mac_configure_filter,
739 	.set_tim		= rt2x00mac_set_tim,
740 	.set_key		= rt2x00mac_set_key,
741 	.sw_scan_start		= rt2x00mac_sw_scan_start,
742 	.sw_scan_complete	= rt2x00mac_sw_scan_complete,
743 	.get_stats		= rt2x00mac_get_stats,
744 	.get_tkip_seq		= rt2800_get_tkip_seq,
745 	.set_rts_threshold	= rt2800_set_rts_threshold,
746 	.sta_add		= rt2x00mac_sta_add,
747 	.sta_remove		= rt2x00mac_sta_remove,
748 	.bss_info_changed	= rt2x00mac_bss_info_changed,
749 	.conf_tx		= rt2800_conf_tx,
750 	.get_tsf		= rt2800_get_tsf,
751 	.rfkill_poll		= rt2x00mac_rfkill_poll,
752 	.ampdu_action		= rt2800_ampdu_action,
753 	.flush			= rt2x00mac_flush,
754 	.get_survey		= rt2800_get_survey,
755 	.get_ringparam		= rt2x00mac_get_ringparam,
756 	.tx_frames_pending	= rt2x00mac_tx_frames_pending,
757 };
758 
759 static const struct rt2800_ops rt2800usb_rt2800_ops = {
760 	.register_read		= rt2x00usb_register_read,
761 	.register_read_lock	= rt2x00usb_register_read_lock,
762 	.register_write		= rt2x00usb_register_write,
763 	.register_write_lock	= rt2x00usb_register_write_lock,
764 	.register_multiread	= rt2x00usb_register_multiread,
765 	.register_multiwrite	= rt2x00usb_register_multiwrite,
766 	.regbusy_read		= rt2x00usb_regbusy_read,
767 	.drv_write_firmware	= rt2800usb_write_firmware,
768 	.drv_init_registers	= rt2800usb_init_registers,
769 	.drv_get_txwi		= rt2800usb_get_txwi,
770 };
771 
772 static const struct rt2x00lib_ops rt2800usb_rt2x00_ops = {
773 	.probe_hw		= rt2800usb_probe_hw,
774 	.get_firmware_name	= rt2800usb_get_firmware_name,
775 	.check_firmware		= rt2800_check_firmware,
776 	.load_firmware		= rt2800_load_firmware,
777 	.initialize		= rt2x00usb_initialize,
778 	.uninitialize		= rt2x00usb_uninitialize,
779 	.clear_entry		= rt2x00usb_clear_entry,
780 	.set_device_state	= rt2800usb_set_device_state,
781 	.rfkill_poll		= rt2800_rfkill_poll,
782 	.link_stats		= rt2800_link_stats,
783 	.reset_tuner		= rt2800_reset_tuner,
784 	.link_tuner		= rt2800_link_tuner,
785 	.gain_calibration	= rt2800_gain_calibration,
786 	.watchdog		= rt2800usb_watchdog,
787 	.start_queue		= rt2800usb_start_queue,
788 	.kick_queue		= rt2x00usb_kick_queue,
789 	.stop_queue		= rt2800usb_stop_queue,
790 	.flush_queue		= rt2x00usb_flush_queue,
791 	.tx_dma_done		= rt2800usb_tx_dma_done,
792 	.write_tx_desc		= rt2800usb_write_tx_desc,
793 	.write_tx_data		= rt2800_write_tx_data,
794 	.write_beacon		= rt2800_write_beacon,
795 	.clear_beacon		= rt2800_clear_beacon,
796 	.get_tx_data_len	= rt2800usb_get_tx_data_len,
797 	.fill_rxdone		= rt2800usb_fill_rxdone,
798 	.config_shared_key	= rt2800_config_shared_key,
799 	.config_pairwise_key	= rt2800_config_pairwise_key,
800 	.config_filter		= rt2800_config_filter,
801 	.config_intf		= rt2800_config_intf,
802 	.config_erp		= rt2800_config_erp,
803 	.config_ant		= rt2800_config_ant,
804 	.config			= rt2800_config,
805 	.sta_add		= rt2800_sta_add,
806 	.sta_remove		= rt2800_sta_remove,
807 };
808 
809 static const struct data_queue_desc rt2800usb_queue_rx = {
810 	.entry_num		= 128,
811 	.data_size		= AGGREGATION_SIZE,
812 	.desc_size		= RXINFO_DESC_SIZE + RXWI_DESC_SIZE,
813 	.priv_size		= sizeof(struct queue_entry_priv_usb),
814 };
815 
816 static const struct data_queue_desc rt2800usb_queue_tx = {
817 	.entry_num		= 64,
818 	.data_size		= AGGREGATION_SIZE,
819 	.desc_size		= TXINFO_DESC_SIZE + TXWI_DESC_SIZE,
820 	.priv_size		= sizeof(struct queue_entry_priv_usb),
821 };
822 
823 static const struct data_queue_desc rt2800usb_queue_bcn = {
824 	.entry_num		= 8,
825 	.data_size		= MGMT_FRAME_SIZE,
826 	.desc_size		= TXINFO_DESC_SIZE + TXWI_DESC_SIZE,
827 	.priv_size		= sizeof(struct queue_entry_priv_usb),
828 };
829 
830 static const struct rt2x00_ops rt2800usb_ops = {
831 	.name			= KBUILD_MODNAME,
832 	.max_sta_intf		= 1,
833 	.max_ap_intf		= 8,
834 	.eeprom_size		= EEPROM_SIZE,
835 	.rf_size		= RF_SIZE,
836 	.tx_queues		= NUM_TX_QUEUES,
837 	.extra_tx_headroom	= TXINFO_DESC_SIZE + TXWI_DESC_SIZE,
838 	.rx			= &rt2800usb_queue_rx,
839 	.tx			= &rt2800usb_queue_tx,
840 	.bcn			= &rt2800usb_queue_bcn,
841 	.lib			= &rt2800usb_rt2x00_ops,
842 	.drv			= &rt2800usb_rt2800_ops,
843 	.hw			= &rt2800usb_mac80211_ops,
844 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
845 	.debugfs		= &rt2800_rt2x00debug,
846 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
847 };
848 
849 /*
850  * rt2800usb module information.
851  */
852 static struct usb_device_id rt2800usb_device_table[] = {
853 	/* Abocom */
854 	{ USB_DEVICE(0x07b8, 0x2870) },
855 	{ USB_DEVICE(0x07b8, 0x2770) },
856 	{ USB_DEVICE(0x07b8, 0x3070) },
857 	{ USB_DEVICE(0x07b8, 0x3071) },
858 	{ USB_DEVICE(0x07b8, 0x3072) },
859 	{ USB_DEVICE(0x1482, 0x3c09) },
860 	/* AirTies */
861 	{ USB_DEVICE(0x1eda, 0x2012) },
862 	{ USB_DEVICE(0x1eda, 0x2310) },
863 	/* Allwin */
864 	{ USB_DEVICE(0x8516, 0x2070) },
865 	{ USB_DEVICE(0x8516, 0x2770) },
866 	{ USB_DEVICE(0x8516, 0x2870) },
867 	{ USB_DEVICE(0x8516, 0x3070) },
868 	{ USB_DEVICE(0x8516, 0x3071) },
869 	{ USB_DEVICE(0x8516, 0x3072) },
870 	/* Alpha Networks */
871 	{ USB_DEVICE(0x14b2, 0x3c06) },
872 	{ USB_DEVICE(0x14b2, 0x3c07) },
873 	{ USB_DEVICE(0x14b2, 0x3c09) },
874 	{ USB_DEVICE(0x14b2, 0x3c12) },
875 	{ USB_DEVICE(0x14b2, 0x3c23) },
876 	{ USB_DEVICE(0x14b2, 0x3c25) },
877 	{ USB_DEVICE(0x14b2, 0x3c27) },
878 	{ USB_DEVICE(0x14b2, 0x3c28) },
879 	{ USB_DEVICE(0x14b2, 0x3c2c) },
880 	/* Amit */
881 	{ USB_DEVICE(0x15c5, 0x0008) },
882 	/* Askey */
883 	{ USB_DEVICE(0x1690, 0x0740) },
884 	/* ASUS */
885 	{ USB_DEVICE(0x0b05, 0x1731) },
886 	{ USB_DEVICE(0x0b05, 0x1732) },
887 	{ USB_DEVICE(0x0b05, 0x1742) },
888 	{ USB_DEVICE(0x0b05, 0x1784) },
889 	{ USB_DEVICE(0x1761, 0x0b05) },
890 	/* AzureWave */
891 	{ USB_DEVICE(0x13d3, 0x3247) },
892 	{ USB_DEVICE(0x13d3, 0x3273) },
893 	{ USB_DEVICE(0x13d3, 0x3305) },
894 	{ USB_DEVICE(0x13d3, 0x3307) },
895 	{ USB_DEVICE(0x13d3, 0x3321) },
896 	/* Belkin */
897 	{ USB_DEVICE(0x050d, 0x8053) },
898 	{ USB_DEVICE(0x050d, 0x805c) },
899 	{ USB_DEVICE(0x050d, 0x815c) },
900 	{ USB_DEVICE(0x050d, 0x825a) },
901 	{ USB_DEVICE(0x050d, 0x825b) },
902 	{ USB_DEVICE(0x050d, 0x935a) },
903 	{ USB_DEVICE(0x050d, 0x935b) },
904 	/* Buffalo */
905 	{ USB_DEVICE(0x0411, 0x00e8) },
906 	{ USB_DEVICE(0x0411, 0x0158) },
907 	{ USB_DEVICE(0x0411, 0x015d) },
908 	{ USB_DEVICE(0x0411, 0x016f) },
909 	{ USB_DEVICE(0x0411, 0x01a2) },
910 	/* Corega */
911 	{ USB_DEVICE(0x07aa, 0x002f) },
912 	{ USB_DEVICE(0x07aa, 0x003c) },
913 	{ USB_DEVICE(0x07aa, 0x003f) },
914 	{ USB_DEVICE(0x18c5, 0x0012) },
915 	/* D-Link */
916 	{ USB_DEVICE(0x07d1, 0x3c09) },
917 	{ USB_DEVICE(0x07d1, 0x3c0a) },
918 	{ USB_DEVICE(0x07d1, 0x3c0d) },
919 	{ USB_DEVICE(0x07d1, 0x3c0e) },
920 	{ USB_DEVICE(0x07d1, 0x3c0f) },
921 	{ USB_DEVICE(0x07d1, 0x3c11) },
922 	{ USB_DEVICE(0x07d1, 0x3c13) },
923 	{ USB_DEVICE(0x07d1, 0x3c15) },
924 	{ USB_DEVICE(0x07d1, 0x3c16) },
925 	/* Draytek */
926 	{ USB_DEVICE(0x07fa, 0x7712) },
927 	/* DVICO */
928 	{ USB_DEVICE(0x0fe9, 0xb307) },
929 	/* Edimax */
930 	{ USB_DEVICE(0x7392, 0x7711) },
931 	{ USB_DEVICE(0x7392, 0x7717) },
932 	{ USB_DEVICE(0x7392, 0x7718) },
933 	{ USB_DEVICE(0x7392, 0x7722) },
934 	/* Encore */
935 	{ USB_DEVICE(0x203d, 0x1480) },
936 	{ USB_DEVICE(0x203d, 0x14a9) },
937 	/* EnGenius */
938 	{ USB_DEVICE(0x1740, 0x9701) },
939 	{ USB_DEVICE(0x1740, 0x9702) },
940 	{ USB_DEVICE(0x1740, 0x9703) },
941 	{ USB_DEVICE(0x1740, 0x9705) },
942 	{ USB_DEVICE(0x1740, 0x9706) },
943 	{ USB_DEVICE(0x1740, 0x9707) },
944 	{ USB_DEVICE(0x1740, 0x9708) },
945 	{ USB_DEVICE(0x1740, 0x9709) },
946 	/* Gemtek */
947 	{ USB_DEVICE(0x15a9, 0x0012) },
948 	/* Gigabyte */
949 	{ USB_DEVICE(0x1044, 0x800b) },
950 	{ USB_DEVICE(0x1044, 0x800d) },
951 	/* Hawking */
952 	{ USB_DEVICE(0x0e66, 0x0001) },
953 	{ USB_DEVICE(0x0e66, 0x0003) },
954 	{ USB_DEVICE(0x0e66, 0x0009) },
955 	{ USB_DEVICE(0x0e66, 0x000b) },
956 	{ USB_DEVICE(0x0e66, 0x0013) },
957 	{ USB_DEVICE(0x0e66, 0x0017) },
958 	{ USB_DEVICE(0x0e66, 0x0018) },
959 	/* I-O DATA */
960 	{ USB_DEVICE(0x04bb, 0x0945) },
961 	{ USB_DEVICE(0x04bb, 0x0947) },
962 	{ USB_DEVICE(0x04bb, 0x0948) },
963 	/* Linksys */
964 	{ USB_DEVICE(0x13b1, 0x0031) },
965 	{ USB_DEVICE(0x1737, 0x0070) },
966 	{ USB_DEVICE(0x1737, 0x0071) },
967 	{ USB_DEVICE(0x1737, 0x0077) },
968 	{ USB_DEVICE(0x1737, 0x0078) },
969 	/* Logitec */
970 	{ USB_DEVICE(0x0789, 0x0162) },
971 	{ USB_DEVICE(0x0789, 0x0163) },
972 	{ USB_DEVICE(0x0789, 0x0164) },
973 	{ USB_DEVICE(0x0789, 0x0166) },
974 	/* Motorola */
975 	{ USB_DEVICE(0x100d, 0x9031) },
976 	/* MSI */
977 	{ USB_DEVICE(0x0db0, 0x3820) },
978 	{ USB_DEVICE(0x0db0, 0x3821) },
979 	{ USB_DEVICE(0x0db0, 0x3822) },
980 	{ USB_DEVICE(0x0db0, 0x3870) },
981 	{ USB_DEVICE(0x0db0, 0x3871) },
982 	{ USB_DEVICE(0x0db0, 0x6899) },
983 	{ USB_DEVICE(0x0db0, 0x821a) },
984 	{ USB_DEVICE(0x0db0, 0x822a) },
985 	{ USB_DEVICE(0x0db0, 0x822b) },
986 	{ USB_DEVICE(0x0db0, 0x822c) },
987 	{ USB_DEVICE(0x0db0, 0x870a) },
988 	{ USB_DEVICE(0x0db0, 0x871a) },
989 	{ USB_DEVICE(0x0db0, 0x871b) },
990 	{ USB_DEVICE(0x0db0, 0x871c) },
991 	{ USB_DEVICE(0x0db0, 0x899a) },
992 	/* Ovislink */
993 	{ USB_DEVICE(0x1b75, 0x3071) },
994 	{ USB_DEVICE(0x1b75, 0x3072) },
995 	/* Para */
996 	{ USB_DEVICE(0x20b8, 0x8888) },
997 	/* Pegatron */
998 	{ USB_DEVICE(0x1d4d, 0x0002) },
999 	{ USB_DEVICE(0x1d4d, 0x000c) },
1000 	{ USB_DEVICE(0x1d4d, 0x000e) },
1001 	{ USB_DEVICE(0x1d4d, 0x0011) },
1002 	/* Philips */
1003 	{ USB_DEVICE(0x0471, 0x200f) },
1004 	/* Planex */
1005 	{ USB_DEVICE(0x2019, 0xab25) },
1006 	{ USB_DEVICE(0x2019, 0xed06) },
1007 	/* Quanta */
1008 	{ USB_DEVICE(0x1a32, 0x0304) },
1009 	/* Ralink */
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) },
1016 	/* Samsung */
1017 	{ USB_DEVICE(0x04e8, 0x2018) },
1018 	/* Siemens */
1019 	{ USB_DEVICE(0x129b, 0x1828) },
1020 	/* Sitecom */
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) },
1037 	/* SMC */
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) },
1048 	/* Sparklan */
1049 	{ USB_DEVICE(0x15a9, 0x0006) },
1050 	/* Sweex */
1051 	{ USB_DEVICE(0x177f, 0x0153) },
1052 	{ USB_DEVICE(0x177f, 0x0302) },
1053 	{ USB_DEVICE(0x177f, 0x0313) },
1054 	/* U-Media */
1055 	{ USB_DEVICE(0x157e, 0x300e) },
1056 	{ USB_DEVICE(0x157e, 0x3013) },
1057 	/* ZCOM */
1058 	{ USB_DEVICE(0x0cde, 0x0022) },
1059 	{ USB_DEVICE(0x0cde, 0x0025) },
1060 	/* Zinwell */
1061 	{ USB_DEVICE(0x5a57, 0x0280) },
1062 	{ USB_DEVICE(0x5a57, 0x0282) },
1063 	{ USB_DEVICE(0x5a57, 0x0283) },
1064 	{ USB_DEVICE(0x5a57, 0x5257) },
1065 	/* Zyxel */
1066 	{ USB_DEVICE(0x0586, 0x3416) },
1067 	{ USB_DEVICE(0x0586, 0x3418) },
1068 	{ USB_DEVICE(0x0586, 0x341e) },
1069 	{ USB_DEVICE(0x0586, 0x343e) },
1070 #ifdef CONFIG_RT2800USB_RT33XX
1071 	/* Belkin */
1072 	{ USB_DEVICE(0x050d, 0x945b) },
1073 	/* Ralink */
1074 	{ USB_DEVICE(0x148f, 0x3370) },
1075 	{ USB_DEVICE(0x148f, 0x8070) },
1076 	/* Sitecom */
1077 	{ USB_DEVICE(0x0df6, 0x0050) },
1078 #endif
1079 #ifdef CONFIG_RT2800USB_RT35XX
1080 	/* Allwin */
1081 	{ USB_DEVICE(0x8516, 0x3572) },
1082 	/* Askey */
1083 	{ USB_DEVICE(0x1690, 0x0744) },
1084 	/* Cisco */
1085 	{ USB_DEVICE(0x167b, 0x4001) },
1086 	/* EnGenius */
1087 	{ USB_DEVICE(0x1740, 0x9801) },
1088 	/* I-O DATA */
1089 	{ USB_DEVICE(0x04bb, 0x0944) },
1090 	/* Linksys */
1091 	{ USB_DEVICE(0x13b1, 0x002f) },
1092 	{ USB_DEVICE(0x1737, 0x0079) },
1093 	/* Ralink */
1094 	{ USB_DEVICE(0x148f, 0x3572) },
1095 	/* Sitecom */
1096 	{ USB_DEVICE(0x0df6, 0x0041) },
1097 	{ USB_DEVICE(0x0df6, 0x0062) },
1098 	/* Toshiba */
1099 	{ USB_DEVICE(0x0930, 0x0a07) },
1100 	/* Zinwell */
1101 	{ USB_DEVICE(0x5a57, 0x0284) },
1102 #endif
1103 #ifdef CONFIG_RT2800USB_RT53XX
1104 	/* Azurewave */
1105 	{ USB_DEVICE(0x13d3, 0x3329) },
1106 	{ USB_DEVICE(0x13d3, 0x3365) },
1107 	/* Ralink */
1108 	{ USB_DEVICE(0x148f, 0x5370) },
1109 	{ USB_DEVICE(0x148f, 0x5372) },
1110 #endif
1111 #ifdef CONFIG_RT2800USB_UNKNOWN
1112 	/*
1113 	 * Unclear what kind of devices these are (they aren't supported by the
1114 	 * vendor linux driver).
1115 	 */
1116 	/* Abocom */
1117 	{ USB_DEVICE(0x07b8, 0x3073) },
1118 	{ USB_DEVICE(0x07b8, 0x3074) },
1119 	/* Alpha Networks */
1120 	{ USB_DEVICE(0x14b2, 0x3c08) },
1121 	{ USB_DEVICE(0x14b2, 0x3c11) },
1122 	/* Amigo */
1123 	{ USB_DEVICE(0x0e0b, 0x9031) },
1124 	{ USB_DEVICE(0x0e0b, 0x9041) },
1125 	/* ASUS */
1126 	{ USB_DEVICE(0x0b05, 0x166a) },
1127 	{ USB_DEVICE(0x0b05, 0x1760) },
1128 	{ USB_DEVICE(0x0b05, 0x1761) },
1129 	{ USB_DEVICE(0x0b05, 0x1790) },
1130 	{ USB_DEVICE(0x0b05, 0x179d) },
1131 	/* AzureWave */
1132 	{ USB_DEVICE(0x13d3, 0x3262) },
1133 	{ USB_DEVICE(0x13d3, 0x3284) },
1134 	{ USB_DEVICE(0x13d3, 0x3322) },
1135 	/* Belkin */
1136 	{ USB_DEVICE(0x050d, 0x1003) },
1137 	/* Buffalo */
1138 	{ USB_DEVICE(0x0411, 0x012e) },
1139 	{ USB_DEVICE(0x0411, 0x0148) },
1140 	{ USB_DEVICE(0x0411, 0x0150) },
1141 	/* Corega */
1142 	{ USB_DEVICE(0x07aa, 0x0041) },
1143 	{ USB_DEVICE(0x07aa, 0x0042) },
1144 	{ USB_DEVICE(0x18c5, 0x0008) },
1145 	/* D-Link */
1146 	{ USB_DEVICE(0x07d1, 0x3c0b) },
1147 	{ USB_DEVICE(0x07d1, 0x3c17) },
1148 	{ USB_DEVICE(0x2001, 0x3c17) },
1149 	/* Edimax */
1150 	{ USB_DEVICE(0x7392, 0x4085) },
1151 	/* Encore */
1152 	{ USB_DEVICE(0x203d, 0x14a1) },
1153 	/* Fujitsu Stylistic 550 */
1154 	{ USB_DEVICE(0x1690, 0x0761) },
1155 	/* Gemtek */
1156 	{ USB_DEVICE(0x15a9, 0x0010) },
1157 	/* Gigabyte */
1158 	{ USB_DEVICE(0x1044, 0x800c) },
1159 	/* Huawei */
1160 	{ USB_DEVICE(0x148f, 0xf101) },
1161 	/* I-O DATA */
1162 	{ USB_DEVICE(0x04bb, 0x094b) },
1163 	/* LevelOne */
1164 	{ USB_DEVICE(0x1740, 0x0605) },
1165 	{ USB_DEVICE(0x1740, 0x0615) },
1166 	/* Logitec */
1167 	{ USB_DEVICE(0x0789, 0x0168) },
1168 	{ USB_DEVICE(0x0789, 0x0169) },
1169 	/* Motorola */
1170 	{ USB_DEVICE(0x100d, 0x9032) },
1171 	/* Pegatron */
1172 	{ USB_DEVICE(0x05a6, 0x0101) },
1173 	{ USB_DEVICE(0x1d4d, 0x0010) },
1174 	/* Planex */
1175 	{ USB_DEVICE(0x2019, 0x5201) },
1176 	{ USB_DEVICE(0x2019, 0xab24) },
1177 	/* Qcom */
1178 	{ USB_DEVICE(0x18e8, 0x6259) },
1179 	/* RadioShack */
1180 	{ USB_DEVICE(0x08b9, 0x1197) },
1181 	/* Sitecom */
1182 	{ USB_DEVICE(0x0df6, 0x003c) },
1183 	{ USB_DEVICE(0x0df6, 0x004a) },
1184 	{ USB_DEVICE(0x0df6, 0x004d) },
1185 	{ USB_DEVICE(0x0df6, 0x0053) },
1186 	/* SMC */
1187 	{ USB_DEVICE(0x083a, 0xa512) },
1188 	{ USB_DEVICE(0x083a, 0xc522) },
1189 	{ USB_DEVICE(0x083a, 0xd522) },
1190 	{ USB_DEVICE(0x083a, 0xf511) },
1191 	/* Zyxel */
1192 	{ USB_DEVICE(0x0586, 0x341a) },
1193 #endif
1194 	{ 0, }
1195 };
1196 
1197 MODULE_AUTHOR(DRV_PROJECT);
1198 MODULE_VERSION(DRV_VERSION);
1199 MODULE_DESCRIPTION("Ralink RT2800 USB Wireless LAN driver.");
1200 MODULE_SUPPORTED_DEVICE("Ralink RT2870 USB chipset based cards");
1201 MODULE_DEVICE_TABLE(usb, rt2800usb_device_table);
1202 MODULE_FIRMWARE(FIRMWARE_RT2870);
1203 MODULE_LICENSE("GPL");
1204 
rt2800usb_probe(struct usb_interface * usb_intf,const struct usb_device_id * id)1205 static int rt2800usb_probe(struct usb_interface *usb_intf,
1206 			   const struct usb_device_id *id)
1207 {
1208 	return rt2x00usb_probe(usb_intf, &rt2800usb_ops);
1209 }
1210 
1211 static struct usb_driver rt2800usb_driver = {
1212 	.name		= KBUILD_MODNAME,
1213 	.id_table	= rt2800usb_device_table,
1214 	.probe		= rt2800usb_probe,
1215 	.disconnect	= rt2x00usb_disconnect,
1216 	.suspend	= rt2x00usb_suspend,
1217 	.resume		= rt2x00usb_resume,
1218 };
1219 
1220 module_usb_driver(rt2800usb_driver);
1221