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   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	 * Check for rx_pkt_len validity. Return if invalid, leaving
 671	 * rxdesc->size zeroed out by the upper level.
 672	 */
 673	if (unlikely(rx_pkt_len == 0 ||
 674			rx_pkt_len > entry->queue->data_size)) {
 675		ERROR(entry->queue->rt2x00dev,
 676			"Bad frame size %d, forcing to 0\n", rx_pkt_len);
 677		return;
 678	}
 679
 680	rxd = (__le32 *)(entry->skb->data + rx_pkt_len);
 681
 682	/*
 683	 * It is now safe to read the descriptor on all architectures.
 684	 */
 685	rt2x00_desc_read(rxd, 0, &word);
 686
 687	if (rt2x00_get_field32(word, RXD_W0_CRC_ERROR))
 688		rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
 689
 690	rxdesc->cipher_status = rt2x00_get_field32(word, RXD_W0_CIPHER_ERROR);
 691
 692	if (rt2x00_get_field32(word, RXD_W0_DECRYPTED)) {
 693		/*
 694		 * Hardware has stripped IV/EIV data from 802.11 frame during
 695		 * decryption. Unfortunately the descriptor doesn't contain
 696		 * any fields with the EIV/IV data either, so they can't
 697		 * be restored by rt2x00lib.
 698		 */
 699		rxdesc->flags |= RX_FLAG_IV_STRIPPED;
 700
 701		/*
 702		 * The hardware has already checked the Michael Mic and has
 703		 * stripped it from the frame. Signal this to mac80211.
 704		 */
 705		rxdesc->flags |= RX_FLAG_MMIC_STRIPPED;
 706
 707		if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS)
 708			rxdesc->flags |= RX_FLAG_DECRYPTED;
 709		else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC)
 710			rxdesc->flags |= RX_FLAG_MMIC_ERROR;
 711	}
 712
 713	if (rt2x00_get_field32(word, RXD_W0_MY_BSS))
 714		rxdesc->dev_flags |= RXDONE_MY_BSS;
 715
 716	if (rt2x00_get_field32(word, RXD_W0_L2PAD))
 717		rxdesc->dev_flags |= RXDONE_L2PAD;
 718
 719	/*
 720	 * Remove RXD descriptor from end of buffer.
 721	 */
 722	skb_trim(entry->skb, rx_pkt_len);
 723
 724	/*
 725	 * Process the RXWI structure.
 726	 */
 727	rt2800_process_rxwi(entry, rxdesc);
 728}
 729
 730/*
 731 * Device probe functions.
 732 */
 733static int rt2800usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
 734{
 735	if (rt2800_efuse_detect(rt2x00dev))
 736		rt2800_read_eeprom_efuse(rt2x00dev);
 737	else
 738		rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom,
 739				      EEPROM_SIZE);
 740
 741	return rt2800_validate_eeprom(rt2x00dev);
 742}
 743
 744static int rt2800usb_probe_hw(struct rt2x00_dev *rt2x00dev)
 745{
 746	int retval;
 747	u32 reg;
 748
 749	/*
 750	 * Allocate eeprom data.
 751	 */
 752	retval = rt2800usb_validate_eeprom(rt2x00dev);
 753	if (retval)
 754		return retval;
 755
 756	retval = rt2800_init_eeprom(rt2x00dev);
 757	if (retval)
 758		return retval;
 759
 760	/*
 761	 * Enable rfkill polling by setting GPIO direction of the
 762	 * rfkill switch GPIO pin correctly.
 763	 */
 764	rt2x00usb_register_read(rt2x00dev, GPIO_CTRL_CFG, &reg);
 765	rt2x00_set_field32(&reg, GPIO_CTRL_CFG_GPIOD_BIT2, 1);
 766	rt2x00usb_register_write(rt2x00dev, GPIO_CTRL_CFG, reg);
 767
 768	/*
 769	 * Initialize hw specifications.
 770	 */
 771	retval = rt2800_probe_hw_mode(rt2x00dev);
 772	if (retval)
 773		return retval;
 774
 775	/*
 776	 * This device has multiple filters for control frames
 777	 * and has a separate filter for PS Poll frames.
 778	 */
 779	__set_bit(CAPABILITY_CONTROL_FILTERS, &rt2x00dev->cap_flags);
 780	__set_bit(CAPABILITY_CONTROL_FILTER_PSPOLL, &rt2x00dev->cap_flags);
 781
 782	/*
 783	 * This device requires firmware.
 784	 */
 785	__set_bit(REQUIRE_FIRMWARE, &rt2x00dev->cap_flags);
 786	__set_bit(REQUIRE_L2PAD, &rt2x00dev->cap_flags);
 787	if (!modparam_nohwcrypt)
 788		__set_bit(CAPABILITY_HW_CRYPTO, &rt2x00dev->cap_flags);
 789	__set_bit(CAPABILITY_LINK_TUNING, &rt2x00dev->cap_flags);
 790	__set_bit(REQUIRE_HT_TX_DESC, &rt2x00dev->cap_flags);
 791	__set_bit(REQUIRE_TXSTATUS_FIFO, &rt2x00dev->cap_flags);
 792	__set_bit(REQUIRE_PS_AUTOWAKE, &rt2x00dev->cap_flags);
 793
 794	rt2x00dev->txstatus_timer.function = rt2800usb_tx_sta_fifo_timeout,
 795
 796	/*
 797	 * Set the rssi offset.
 798	 */
 799	rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
 800
 801	/*
 802	 * Overwrite TX done handler
 803	 */
 804	PREPARE_WORK(&rt2x00dev->txdone_work, rt2800usb_work_txdone);
 805
 806	return 0;
 807}
 808
 809static const struct ieee80211_ops rt2800usb_mac80211_ops = {
 810	.tx			= rt2x00mac_tx,
 811	.start			= rt2x00mac_start,
 812	.stop			= rt2x00mac_stop,
 813	.add_interface		= rt2x00mac_add_interface,
 814	.remove_interface	= rt2x00mac_remove_interface,
 815	.config			= rt2x00mac_config,
 816	.configure_filter	= rt2x00mac_configure_filter,
 817	.set_tim		= rt2x00mac_set_tim,
 818	.set_key		= rt2x00mac_set_key,
 819	.sw_scan_start		= rt2x00mac_sw_scan_start,
 820	.sw_scan_complete	= rt2x00mac_sw_scan_complete,
 821	.get_stats		= rt2x00mac_get_stats,
 822	.get_tkip_seq		= rt2800_get_tkip_seq,
 823	.set_rts_threshold	= rt2800_set_rts_threshold,
 824	.sta_add		= rt2x00mac_sta_add,
 825	.sta_remove		= rt2x00mac_sta_remove,
 826	.bss_info_changed	= rt2x00mac_bss_info_changed,
 827	.conf_tx		= rt2800_conf_tx,
 828	.get_tsf		= rt2800_get_tsf,
 829	.rfkill_poll		= rt2x00mac_rfkill_poll,
 830	.ampdu_action		= rt2800_ampdu_action,
 831	.flush			= rt2x00mac_flush,
 832	.get_survey		= rt2800_get_survey,
 833	.get_ringparam		= rt2x00mac_get_ringparam,
 834	.tx_frames_pending	= rt2x00mac_tx_frames_pending,
 835};
 836
 837static const struct rt2800_ops rt2800usb_rt2800_ops = {
 838	.register_read		= rt2x00usb_register_read,
 839	.register_read_lock	= rt2x00usb_register_read_lock,
 840	.register_write		= rt2x00usb_register_write,
 841	.register_write_lock	= rt2x00usb_register_write_lock,
 842	.register_multiread	= rt2x00usb_register_multiread,
 843	.register_multiwrite	= rt2x00usb_register_multiwrite,
 844	.regbusy_read		= rt2x00usb_regbusy_read,
 845	.drv_write_firmware	= rt2800usb_write_firmware,
 846	.drv_init_registers	= rt2800usb_init_registers,
 847	.drv_get_txwi		= rt2800usb_get_txwi,
 848};
 849
 850static const struct rt2x00lib_ops rt2800usb_rt2x00_ops = {
 851	.probe_hw		= rt2800usb_probe_hw,
 852	.get_firmware_name	= rt2800usb_get_firmware_name,
 853	.check_firmware		= rt2800_check_firmware,
 854	.load_firmware		= rt2800_load_firmware,
 855	.initialize		= rt2x00usb_initialize,
 856	.uninitialize		= rt2x00usb_uninitialize,
 857	.clear_entry		= rt2x00usb_clear_entry,
 858	.set_device_state	= rt2800usb_set_device_state,
 859	.rfkill_poll		= rt2800_rfkill_poll,
 860	.link_stats		= rt2800_link_stats,
 861	.reset_tuner		= rt2800_reset_tuner,
 862	.link_tuner		= rt2800_link_tuner,
 863	.gain_calibration	= rt2800_gain_calibration,
 864	.vco_calibration	= rt2800_vco_calibration,
 865	.watchdog		= rt2800usb_watchdog,
 866	.start_queue		= rt2800usb_start_queue,
 867	.kick_queue		= rt2x00usb_kick_queue,
 868	.stop_queue		= rt2800usb_stop_queue,
 869	.flush_queue		= rt2x00usb_flush_queue,
 870	.tx_dma_done		= rt2800usb_tx_dma_done,
 871	.write_tx_desc		= rt2800usb_write_tx_desc,
 872	.write_tx_data		= rt2800_write_tx_data,
 873	.write_beacon		= rt2800_write_beacon,
 874	.clear_beacon		= rt2800_clear_beacon,
 875	.get_tx_data_len	= rt2800usb_get_tx_data_len,
 876	.fill_rxdone		= rt2800usb_fill_rxdone,
 877	.config_shared_key	= rt2800_config_shared_key,
 878	.config_pairwise_key	= rt2800_config_pairwise_key,
 879	.config_filter		= rt2800_config_filter,
 880	.config_intf		= rt2800_config_intf,
 881	.config_erp		= rt2800_config_erp,
 882	.config_ant		= rt2800_config_ant,
 883	.config			= rt2800_config,
 884	.sta_add		= rt2800_sta_add,
 885	.sta_remove		= rt2800_sta_remove,
 886};
 887
 888static const struct data_queue_desc rt2800usb_queue_rx = {
 889	.entry_num		= 128,
 890	.data_size		= AGGREGATION_SIZE,
 891	.desc_size		= RXINFO_DESC_SIZE + RXWI_DESC_SIZE,
 892	.priv_size		= sizeof(struct queue_entry_priv_usb),
 893};
 894
 895static const struct data_queue_desc rt2800usb_queue_tx = {
 896	.entry_num		= 16,
 897	.data_size		= AGGREGATION_SIZE,
 898	.desc_size		= TXINFO_DESC_SIZE + TXWI_DESC_SIZE,
 899	.priv_size		= sizeof(struct queue_entry_priv_usb),
 900};
 901
 902static const struct data_queue_desc rt2800usb_queue_bcn = {
 903	.entry_num		= 8,
 904	.data_size		= MGMT_FRAME_SIZE,
 905	.desc_size		= TXINFO_DESC_SIZE + TXWI_DESC_SIZE,
 906	.priv_size		= sizeof(struct queue_entry_priv_usb),
 907};
 908
 909static const struct rt2x00_ops rt2800usb_ops = {
 910	.name			= KBUILD_MODNAME,
 911	.drv_data_size		= sizeof(struct rt2800_drv_data),
 912	.max_sta_intf		= 1,
 913	.max_ap_intf		= 8,
 914	.eeprom_size		= EEPROM_SIZE,
 915	.rf_size		= RF_SIZE,
 916	.tx_queues		= NUM_TX_QUEUES,
 917	.extra_tx_headroom	= TXINFO_DESC_SIZE + TXWI_DESC_SIZE,
 918	.rx			= &rt2800usb_queue_rx,
 919	.tx			= &rt2800usb_queue_tx,
 920	.bcn			= &rt2800usb_queue_bcn,
 921	.lib			= &rt2800usb_rt2x00_ops,
 922	.drv			= &rt2800usb_rt2800_ops,
 923	.hw			= &rt2800usb_mac80211_ops,
 924#ifdef CONFIG_RT2X00_LIB_DEBUGFS
 925	.debugfs		= &rt2800_rt2x00debug,
 926#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
 927};
 928
 929/*
 930 * rt2800usb module information.
 931 */
 932static struct usb_device_id rt2800usb_device_table[] = {
 933	/* Abocom */
 934	{ USB_DEVICE(0x07b8, 0x2870) },
 935	{ USB_DEVICE(0x07b8, 0x2770) },
 936	{ USB_DEVICE(0x07b8, 0x3070) },
 937	{ USB_DEVICE(0x07b8, 0x3071) },
 938	{ USB_DEVICE(0x07b8, 0x3072) },
 939	{ USB_DEVICE(0x1482, 0x3c09) },
 940	/* AirTies */
 941	{ USB_DEVICE(0x1eda, 0x2012) },
 942	{ USB_DEVICE(0x1eda, 0x2210) },
 943	{ USB_DEVICE(0x1eda, 0x2310) },
 944	/* Allwin */
 945	{ USB_DEVICE(0x8516, 0x2070) },
 946	{ USB_DEVICE(0x8516, 0x2770) },
 947	{ USB_DEVICE(0x8516, 0x2870) },
 948	{ USB_DEVICE(0x8516, 0x3070) },
 949	{ USB_DEVICE(0x8516, 0x3071) },
 950	{ USB_DEVICE(0x8516, 0x3072) },
 951	/* Alpha Networks */
 952	{ USB_DEVICE(0x14b2, 0x3c06) },
 953	{ USB_DEVICE(0x14b2, 0x3c07) },
 954	{ USB_DEVICE(0x14b2, 0x3c09) },
 955	{ USB_DEVICE(0x14b2, 0x3c12) },
 956	{ USB_DEVICE(0x14b2, 0x3c23) },
 957	{ USB_DEVICE(0x14b2, 0x3c25) },
 958	{ USB_DEVICE(0x14b2, 0x3c27) },
 959	{ USB_DEVICE(0x14b2, 0x3c28) },
 960	{ USB_DEVICE(0x14b2, 0x3c2c) },
 961	/* Amit */
 962	{ USB_DEVICE(0x15c5, 0x0008) },
 963	/* Askey */
 964	{ USB_DEVICE(0x1690, 0x0740) },
 965	/* ASUS */
 966	{ USB_DEVICE(0x0b05, 0x1731) },
 967	{ USB_DEVICE(0x0b05, 0x1732) },
 968	{ USB_DEVICE(0x0b05, 0x1742) },
 969	{ USB_DEVICE(0x0b05, 0x1784) },
 970	{ USB_DEVICE(0x1761, 0x0b05) },
 971	/* AzureWave */
 972	{ USB_DEVICE(0x13d3, 0x3247) },
 973	{ USB_DEVICE(0x13d3, 0x3273) },
 974	{ USB_DEVICE(0x13d3, 0x3305) },
 975	{ USB_DEVICE(0x13d3, 0x3307) },
 976	{ USB_DEVICE(0x13d3, 0x3321) },
 977	/* Belkin */
 978	{ USB_DEVICE(0x050d, 0x8053) },
 979	{ USB_DEVICE(0x050d, 0x805c) },
 980	{ USB_DEVICE(0x050d, 0x815c) },
 981	{ USB_DEVICE(0x050d, 0x825a) },
 982	{ USB_DEVICE(0x050d, 0x825b) },
 983	{ USB_DEVICE(0x050d, 0x935a) },
 984	{ USB_DEVICE(0x050d, 0x935b) },
 985	/* Buffalo */
 986	{ USB_DEVICE(0x0411, 0x00e8) },
 987	{ USB_DEVICE(0x0411, 0x0158) },
 988	{ USB_DEVICE(0x0411, 0x015d) },
 989	{ USB_DEVICE(0x0411, 0x016f) },
 990	{ USB_DEVICE(0x0411, 0x01a2) },
 991	{ USB_DEVICE(0x0411, 0x01ee) },
 992	/* Corega */
 993	{ USB_DEVICE(0x07aa, 0x002f) },
 994	{ USB_DEVICE(0x07aa, 0x003c) },
 995	{ USB_DEVICE(0x07aa, 0x003f) },
 996	{ USB_DEVICE(0x18c5, 0x0012) },
 997	/* D-Link */
 998	{ USB_DEVICE(0x07d1, 0x3c09) },
 999	{ USB_DEVICE(0x07d1, 0x3c0a) },
1000	{ USB_DEVICE(0x07d1, 0x3c0d) },
1001	{ USB_DEVICE(0x07d1, 0x3c0e) },
1002	{ USB_DEVICE(0x07d1, 0x3c0f) },
1003	{ USB_DEVICE(0x07d1, 0x3c11) },
1004	{ USB_DEVICE(0x07d1, 0x3c13) },
1005	{ USB_DEVICE(0x07d1, 0x3c15) },
1006	{ USB_DEVICE(0x07d1, 0x3c16) },
1007	{ USB_DEVICE(0x2001, 0x3c1b) },
1008	/* Draytek */
1009	{ USB_DEVICE(0x07fa, 0x7712) },
1010	/* DVICO */
1011	{ USB_DEVICE(0x0fe9, 0xb307) },
1012	/* Edimax */
1013	{ USB_DEVICE(0x7392, 0x4085) },
1014	{ USB_DEVICE(0x7392, 0x7711) },
1015	{ USB_DEVICE(0x7392, 0x7717) },
1016	{ USB_DEVICE(0x7392, 0x7718) },
1017	{ USB_DEVICE(0x7392, 0x7722) },
1018	/* Encore */
1019	{ USB_DEVICE(0x203d, 0x1480) },
1020	{ USB_DEVICE(0x203d, 0x14a9) },
1021	/* EnGenius */
1022	{ USB_DEVICE(0x1740, 0x9701) },
1023	{ USB_DEVICE(0x1740, 0x9702) },
1024	{ USB_DEVICE(0x1740, 0x9703) },
1025	{ USB_DEVICE(0x1740, 0x9705) },
1026	{ USB_DEVICE(0x1740, 0x9706) },
1027	{ USB_DEVICE(0x1740, 0x9707) },
1028	{ USB_DEVICE(0x1740, 0x9708) },
1029	{ USB_DEVICE(0x1740, 0x9709) },
1030	/* Gemtek */
1031	{ USB_DEVICE(0x15a9, 0x0012) },
1032	/* Gigabyte */
1033	{ USB_DEVICE(0x1044, 0x800b) },
1034	{ USB_DEVICE(0x1044, 0x800d) },
1035	/* Hawking */
1036	{ USB_DEVICE(0x0e66, 0x0001) },
1037	{ USB_DEVICE(0x0e66, 0x0003) },
1038	{ USB_DEVICE(0x0e66, 0x0009) },
1039	{ USB_DEVICE(0x0e66, 0x000b) },
1040	{ USB_DEVICE(0x0e66, 0x0013) },
1041	{ USB_DEVICE(0x0e66, 0x0017) },
1042	{ USB_DEVICE(0x0e66, 0x0018) },
1043	/* I-O DATA */
1044	{ USB_DEVICE(0x04bb, 0x0945) },
1045	{ USB_DEVICE(0x04bb, 0x0947) },
1046	{ USB_DEVICE(0x04bb, 0x0948) },
1047	/* Linksys */
1048	{ USB_DEVICE(0x13b1, 0x0031) },
1049	{ USB_DEVICE(0x1737, 0x0070) },
1050	{ USB_DEVICE(0x1737, 0x0071) },
1051	{ USB_DEVICE(0x1737, 0x0077) },
1052	{ USB_DEVICE(0x1737, 0x0078) },
1053	/* Logitec */
1054	{ USB_DEVICE(0x0789, 0x0162) },
1055	{ USB_DEVICE(0x0789, 0x0163) },
1056	{ USB_DEVICE(0x0789, 0x0164) },
1057	{ USB_DEVICE(0x0789, 0x0166) },
1058	/* Motorola */
1059	{ USB_DEVICE(0x100d, 0x9031) },
1060	/* MSI */
1061	{ USB_DEVICE(0x0db0, 0x3820) },
1062	{ USB_DEVICE(0x0db0, 0x3821) },
1063	{ USB_DEVICE(0x0db0, 0x3822) },
1064	{ USB_DEVICE(0x0db0, 0x3870) },
1065	{ USB_DEVICE(0x0db0, 0x3871) },
1066	{ USB_DEVICE(0x0db0, 0x6899) },
1067	{ USB_DEVICE(0x0db0, 0x821a) },
1068	{ USB_DEVICE(0x0db0, 0x822a) },
1069	{ USB_DEVICE(0x0db0, 0x822b) },
1070	{ USB_DEVICE(0x0db0, 0x822c) },
1071	{ USB_DEVICE(0x0db0, 0x870a) },
1072	{ USB_DEVICE(0x0db0, 0x871a) },
1073	{ USB_DEVICE(0x0db0, 0x871b) },
1074	{ USB_DEVICE(0x0db0, 0x871c) },
1075	{ USB_DEVICE(0x0db0, 0x899a) },
1076	/* Ovislink */
1077	{ USB_DEVICE(0x1b75, 0x3071) },
1078	{ USB_DEVICE(0x1b75, 0x3072) },
1079	/* Para */
1080	{ USB_DEVICE(0x20b8, 0x8888) },
1081	/* Pegatron */
1082	{ USB_DEVICE(0x1d4d, 0x0002) },
1083	{ USB_DEVICE(0x1d4d, 0x000c) },
1084	{ USB_DEVICE(0x1d4d, 0x000e) },
1085	{ USB_DEVICE(0x1d4d, 0x0011) },
1086	/* Philips */
1087	{ USB_DEVICE(0x0471, 0x200f) },
1088	/* Planex */
1089	{ USB_DEVICE(0x2019, 0x5201) },
1090	{ USB_DEVICE(0x2019, 0xab25) },
1091	{ USB_DEVICE(0x2019, 0xed06) },
1092	/* Quanta */
1093	{ USB_DEVICE(0x1a32, 0x0304) },
1094	/* Ralink */
1095	{ USB_DEVICE(0x148f, 0x2070) },
1096	{ USB_DEVICE(0x148f, 0x2770) },
1097	{ USB_DEVICE(0x148f, 0x2870) },
1098	{ USB_DEVICE(0x148f, 0x3070) },
1099	{ USB_DEVICE(0x148f, 0x3071) },
1100	{ USB_DEVICE(0x148f, 0x3072) },
1101	/* Samsung */
1102	{ USB_DEVICE(0x04e8, 0x2018) },
1103	/* Siemens */
1104	{ USB_DEVICE(0x129b, 0x1828) },
1105	/* Sitecom */
1106	{ USB_DEVICE(0x0df6, 0x0017) },
1107	{ USB_DEVICE(0x0df6, 0x002b) },
1108	{ USB_DEVICE(0x0df6, 0x002c) },
1109	{ USB_DEVICE(0x0df6, 0x002d) },
1110	{ USB_DEVICE(0x0df6, 0x0039) },
1111	{ USB_DEVICE(0x0df6, 0x003b) },
1112	{ USB_DEVICE(0x0df6, 0x003d) },
1113	{ USB_DEVICE(0x0df6, 0x003e) },
1114	{ USB_DEVICE(0x0df6, 0x003f) },
1115	{ USB_DEVICE(0x0df6, 0x0040) },
1116	{ USB_DEVICE(0x0df6, 0x0042) },
1117	{ USB_DEVICE(0x0df6, 0x0047) },
1118	{ USB_DEVICE(0x0df6, 0x0048) },
1119	{ USB_DEVICE(0x0df6, 0x0051) },
1120	{ USB_DEVICE(0x0df6, 0x005f) },
1121	{ USB_DEVICE(0x0df6, 0x0060) },
1122	/* SMC */
1123	{ USB_DEVICE(0x083a, 0x6618) },
1124	{ USB_DEVICE(0x083a, 0x7511) },
1125	{ USB_DEVICE(0x083a, 0x7512) },
1126	{ USB_DEVICE(0x083a, 0x7522) },
1127	{ USB_DEVICE(0x083a, 0x8522) },
1128	{ USB_DEVICE(0x083a, 0xa618) },
1129	{ USB_DEVICE(0x083a, 0xa701) },
1130	{ USB_DEVICE(0x083a, 0xa702) },
1131	{ USB_DEVICE(0x083a, 0xa703) },
1132	{ USB_DEVICE(0x083a, 0xb522) },
1133	/* Sparklan */
1134	{ USB_DEVICE(0x15a9, 0x0006) },
1135	/* Sweex */
1136	{ USB_DEVICE(0x177f, 0x0153) },
1137	{ USB_DEVICE(0x177f, 0x0302) },
1138	{ USB_DEVICE(0x177f, 0x0313) },
1139	/* U-Media */
1140	{ USB_DEVICE(0x157e, 0x300e) },
1141	{ USB_DEVICE(0x157e, 0x3013) },
1142	/* ZCOM */
1143	{ USB_DEVICE(0x0cde, 0x0022) },
1144	{ USB_DEVICE(0x0cde, 0x0025) },
1145	/* Zinwell */
1146	{ USB_DEVICE(0x5a57, 0x0280) },
1147	{ USB_DEVICE(0x5a57, 0x0282) },
1148	{ USB_DEVICE(0x5a57, 0x0283) },
1149	{ USB_DEVICE(0x5a57, 0x5257) },
1150	/* Zyxel */
1151	{ USB_DEVICE(0x0586, 0x3416) },
1152	{ USB_DEVICE(0x0586, 0x3418) },
1153	{ USB_DEVICE(0x0586, 0x341e) },
1154	{ USB_DEVICE(0x0586, 0x343e) },
1155#ifdef CONFIG_RT2800USB_RT33XX
1156	/* Belkin */
1157	{ USB_DEVICE(0x050d, 0x945b) },
1158	/* D-Link */
1159	{ USB_DEVICE(0x2001, 0x3c17) },
1160	/* Panasonic */
1161	{ USB_DEVICE(0x083a, 0xb511) },
1162	/* Philips */
1163	{ USB_DEVICE(0x0471, 0x20dd) },
1164	/* Ralink */
1165	{ USB_DEVICE(0x148f, 0x3370) },
1166	{ USB_DEVICE(0x148f, 0x8070) },
1167	/* Sitecom */
1168	{ USB_DEVICE(0x0df6, 0x0050) },
1169#endif
1170#ifdef CONFIG_RT2800USB_RT35XX
1171	/* Allwin */
1172	{ USB_DEVICE(0x8516, 0x3572) },
1173	/* Askey */
1174	{ USB_DEVICE(0x1690, 0x0744) },
1175	{ USB_DEVICE(0x1690, 0x0761) },
1176	{ USB_DEVICE(0x1690, 0x0764) },
1177	/* ASUS */
1178	{ USB_DEVICE(0x0b05, 0x179d) },
1179	/* Cisco */
1180	{ USB_DEVICE(0x167b, 0x4001) },
1181	/* EnGenius */
1182	{ USB_DEVICE(0x1740, 0x9801) },
1183	/* I-O DATA */
1184	{ USB_DEVICE(0x04bb, 0x0944) },
1185	/* Linksys */
1186	{ USB_DEVICE(0x13b1, 0x002f) },
1187	{ USB_DEVICE(0x1737, 0x0079) },
1188	/* Ralink */
1189	{ USB_DEVICE(0x148f, 0x3572) },
1190	/* Sitecom */
1191	{ USB_DEVICE(0x0df6, 0x0041) },
1192	{ USB_DEVICE(0x0df6, 0x0062) },
1193	{ USB_DEVICE(0x0df6, 0x0065) },
1194	{ USB_DEVICE(0x0df6, 0x0066) },
1195	{ USB_DEVICE(0x0df6, 0x0068) },
1196	/* Toshiba */
1197	{ USB_DEVICE(0x0930, 0x0a07) },
1198	/* Zinwell */
1199	{ USB_DEVICE(0x5a57, 0x0284) },
1200#endif
1201#ifdef CONFIG_RT2800USB_RT53XX
1202	/* Arcadyan */
1203	{ USB_DEVICE(0x043e, 0x7a12) },
1204	/* Azurewave */
1205	{ USB_DEVICE(0x13d3, 0x3329) },
1206	{ USB_DEVICE(0x13d3, 0x3365) },
1207	/* D-Link */
1208	{ USB_DEVICE(0x2001, 0x3c15) },
1209	{ USB_DEVICE(0x2001, 0x3c19) },
1210	{ USB_DEVICE(0x2001, 0x3c1c) },
1211	{ USB_DEVICE(0x2001, 0x3c1d) },
1212	/* LG innotek */
1213	{ USB_DEVICE(0x043e, 0x7a22) },
1214	/* Panasonic */
1215	{ USB_DEVICE(0x04da, 0x1801) },
1216	{ USB_DEVICE(0x04da, 0x1800) },
1217	/* Philips */
1218	{ USB_DEVICE(0x0471, 0x2104) },
1219	/* Ralink */
1220	{ USB_DEVICE(0x148f, 0x5370) },
1221	{ USB_DEVICE(0x148f, 0x5372) },
1222	/* Unknown */
1223	{ USB_DEVICE(0x04da, 0x23f6) },
1224#endif
1225#ifdef CONFIG_RT2800USB_UNKNOWN
1226	/*
1227	 * Unclear what kind of devices these are (they aren't supported by the
1228	 * vendor linux driver).
1229	 */
1230	/* Abocom */
1231	{ USB_DEVICE(0x07b8, 0x3073) },
1232	{ USB_DEVICE(0x07b8, 0x3074) },
1233	/* Alpha Networks */
1234	{ USB_DEVICE(0x14b2, 0x3c08) },
1235	{ USB_DEVICE(0x14b2, 0x3c11) },
1236	/* Amigo */
1237	{ USB_DEVICE(0x0e0b, 0x9031) },
1238	{ USB_DEVICE(0x0e0b, 0x9041) },
1239	/* ASUS */
1240	{ USB_DEVICE(0x0b05, 0x166a) },
1241	{ USB_DEVICE(0x0b05, 0x1760) },
1242	{ USB_DEVICE(0x0b05, 0x1761) },
1243	{ USB_DEVICE(0x0b05, 0x1790) },
1244	/* AzureWave */
1245	{ USB_DEVICE(0x13d3, 0x3262) },
1246	{ USB_DEVICE(0x13d3, 0x3284) },
1247	{ USB_DEVICE(0x13d3, 0x3322) },
1248	/* Belkin */
1249	{ USB_DEVICE(0x050d, 0x1003) },
1250	/* Buffalo */
1251	{ USB_DEVICE(0x0411, 0x012e) },
1252	{ USB_DEVICE(0x0411, 0x0148) },
1253	{ USB_DEVICE(0x0411, 0x0150) },
1254	/* Corega */
1255	{ USB_DEVICE(0x07aa, 0x0041) },
1256	{ USB_DEVICE(0x07aa, 0x0042) },
1257	{ USB_DEVICE(0x18c5, 0x0008) },
1258	/* D-Link */
1259	{ USB_DEVICE(0x07d1, 0x3c0b) },
1260	{ USB_DEVICE(0x07d1, 0x3c17) },
1261	/* Encore */
1262	{ USB_DEVICE(0x203d, 0x14a1) },
1263	/* Gemtek */
1264	{ USB_DEVICE(0x15a9, 0x0010) },
1265	/* Gigabyte */
1266	{ USB_DEVICE(0x1044, 0x800c) },
1267	/* Huawei */
1268	{ USB_DEVICE(0x148f, 0xf101) },
1269	/* I-O DATA */
1270	{ USB_DEVICE(0x04bb, 0x094b) },
1271	/* LevelOne */
1272	{ USB_DEVICE(0x1740, 0x0605) },
1273	{ USB_DEVICE(0x1740, 0x0615) },
1274	/* Logitec */
1275	{ USB_DEVICE(0x0789, 0x0168) },
1276	{ USB_DEVICE(0x0789, 0x0169) },
1277	/* Motorola */
1278	{ USB_DEVICE(0x100d, 0x9032) },
1279	/* Pegatron */
1280	{ USB_DEVICE(0x05a6, 0x0101) },
1281	{ USB_DEVICE(0x1d4d, 0x0010) },
1282	/* Planex */
1283	{ USB_DEVICE(0x2019, 0xab24) },
1284	/* Qcom */
1285	{ USB_DEVICE(0x18e8, 0x6259) },
1286	/* RadioShack */
1287	{ USB_DEVICE(0x08b9, 0x1197) },
1288	/* Sitecom */
1289	{ USB_DEVICE(0x0df6, 0x003c) },
1290	{ USB_DEVICE(0x0df6, 0x004a) },
1291	{ USB_DEVICE(0x0df6, 0x004d) },
1292	{ USB_DEVICE(0x0df6, 0x0053) },
1293	/* SMC */
1294	{ USB_DEVICE(0x083a, 0xa512) },
1295	{ USB_DEVICE(0x083a, 0xc522) },
1296	{ USB_DEVICE(0x083a, 0xd522) },
1297	{ USB_DEVICE(0x083a, 0xf511) },
1298	/* Zyxel */
1299	{ USB_DEVICE(0x0586, 0x341a) },
1300#endif
1301	{ 0, }
1302};
1303
1304MODULE_AUTHOR(DRV_PROJECT);
1305MODULE_VERSION(DRV_VERSION);
1306MODULE_DESCRIPTION("Ralink RT2800 USB Wireless LAN driver.");
1307MODULE_SUPPORTED_DEVICE("Ralink RT2870 USB chipset based cards");
1308MODULE_DEVICE_TABLE(usb, rt2800usb_device_table);
1309MODULE_FIRMWARE(FIRMWARE_RT2870);
1310MODULE_LICENSE("GPL");
1311
1312static int rt2800usb_probe(struct usb_interface *usb_intf,
1313			   const struct usb_device_id *id)
1314{
1315	return rt2x00usb_probe(usb_intf, &rt2800usb_ops);
1316}
1317
1318static struct usb_driver rt2800usb_driver = {
1319	.name		= KBUILD_MODNAME,
1320	.id_table	= rt2800usb_device_table,
1321	.probe		= rt2800usb_probe,
1322	.disconnect	= rt2x00usb_disconnect,
1323	.suspend	= rt2x00usb_suspend,
1324	.resume		= rt2x00usb_resume,
1325	.disable_hub_initiated_lpm = 1,
1326};
1327
1328module_usb_driver(rt2800usb_driver);