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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 int 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 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
 142static 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
 150static 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 */
 161static char *rt2800usb_get_firmware_name(struct rt2x00_dev *rt2x00dev)
 162{
 163	return FIRMWARE_RT2870;
 164}
 165
 166static 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 */
 216static 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
 246static 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
 271static void rt2800usb_disable_radio(struct rt2x00_dev *rt2x00dev)
 272{
 273	rt2800_disable_radio(rt2x00dev);
 274	rt2x00usb_disable_radio(rt2x00dev);
 275}
 276
 277static 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
 288static 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 */
 337static 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 */
 380static __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
 388static 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 and USB end pad.
 404	 */
 405	rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_PKT_LEN,
 406			   entry->skb->len - TXINFO_DESC_SIZE - 4);
 407	rt2x00_set_field32(&word, TXINFO_W0_WIV,
 408			   !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags));
 409	rt2x00_set_field32(&word, TXINFO_W0_QSEL, 2);
 410	rt2x00_set_field32(&word, TXINFO_W0_SW_USE_LAST_ROUND, 0);
 411	rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_NEXT_VALID, 0);
 412	rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_BURST,
 413			   test_bit(ENTRY_TXD_BURST, &txdesc->flags));
 414	rt2x00_desc_write(txi, 0, word);
 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
 424static void rt2800usb_write_tx_data(struct queue_entry *entry,
 425					struct txentry_desc *txdesc)
 426{
 427	unsigned int len;
 428	int err;
 429
 430	rt2800_write_tx_data(entry, txdesc);
 431
 432	/*
 433	 * pad(1~3 bytes) is added after each 802.11 payload.
 434	 * USB end pad(4 bytes) is added at each USB bulk out packet end.
 435	 * TX frame format is :
 436	 * | TXINFO | TXWI | 802.11 header | L2 pad | payload | pad | USB end pad |
 437	 *                 |<------------- tx_pkt_len ------------->|
 438	 */
 439	len = roundup(entry->skb->len, 4) + 4;
 440	err = skb_padto(entry->skb, len);
 441	if (unlikely(err)) {
 442		WARNING(entry->queue->rt2x00dev, "TX SKB padding error, out of memory\n");
 443		return;
 444	}
 445
 446	entry->skb->len = len;
 447}
 448
 449/*
 450 * TX data initialization
 451 */
 452static int rt2800usb_get_tx_data_len(struct queue_entry *entry)
 453{
 454	return entry->skb->len;
 455}
 456
 457/*
 458 * TX control handlers
 459 */
 460static bool rt2800usb_txdone_entry_check(struct queue_entry *entry, u32 reg)
 461{
 462	__le32 *txwi;
 463	u32 word;
 464	int wcid, ack, pid;
 465	int tx_wcid, tx_ack, tx_pid;
 466
 467	if (test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags) ||
 468	    !test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags)) {
 469		WARNING(entry->queue->rt2x00dev,
 470			"Data pending for entry %u in queue %u\n",
 471			entry->entry_idx, entry->queue->qid);
 472		cond_resched();
 473		return false;
 474	}
 475
 476	wcid	= rt2x00_get_field32(reg, TX_STA_FIFO_WCID);
 477	ack	= rt2x00_get_field32(reg, TX_STA_FIFO_TX_ACK_REQUIRED);
 478	pid	= rt2x00_get_field32(reg, TX_STA_FIFO_PID_TYPE);
 479
 480	/*
 481	 * This frames has returned with an IO error,
 482	 * so the status report is not intended for this
 483	 * frame.
 484	 */
 485	if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags)) {
 486		rt2x00lib_txdone_noinfo(entry, TXDONE_FAILURE);
 487		return false;
 488	}
 489
 490	/*
 491	 * Validate if this TX status report is intended for
 492	 * this entry by comparing the WCID/ACK/PID fields.
 493	 */
 494	txwi = rt2800usb_get_txwi(entry);
 495
 496	rt2x00_desc_read(txwi, 1, &word);
 497	tx_wcid = rt2x00_get_field32(word, TXWI_W1_WIRELESS_CLI_ID);
 498	tx_ack  = rt2x00_get_field32(word, TXWI_W1_ACK);
 499	tx_pid  = rt2x00_get_field32(word, TXWI_W1_PACKETID);
 500
 501	if ((wcid != tx_wcid) || (ack != tx_ack) || (pid != tx_pid)) {
 502		WARNING(entry->queue->rt2x00dev,
 503			"TX status report missed for queue %d entry %d\n",
 504		entry->queue->qid, entry->entry_idx);
 505		rt2x00lib_txdone_noinfo(entry, TXDONE_UNKNOWN);
 506		return false;
 507	}
 508
 509	return true;
 510}
 511
 512static void rt2800usb_txdone(struct rt2x00_dev *rt2x00dev)
 513{
 514	struct data_queue *queue;
 515	struct queue_entry *entry;
 516	u32 reg;
 517	u8 qid;
 518
 519	while (kfifo_get(&rt2x00dev->txstatus_fifo, &reg)) {
 520
 521		/* TX_STA_FIFO_PID_QUEUE is a 2-bit field, thus
 522		 * qid is guaranteed to be one of the TX QIDs
 523		 */
 524		qid = rt2x00_get_field32(reg, TX_STA_FIFO_PID_QUEUE);
 525		queue = rt2x00queue_get_tx_queue(rt2x00dev, qid);
 526		if (unlikely(!queue)) {
 527			WARNING(rt2x00dev, "Got TX status for an unavailable "
 528					   "queue %u, dropping\n", qid);
 529			continue;
 530		}
 531
 532		/*
 533		 * Inside each queue, we process each entry in a chronological
 534		 * order. We first check that the queue is not empty.
 535		 */
 536		entry = NULL;
 537		while (!rt2x00queue_empty(queue)) {
 538			entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
 539			if (rt2800usb_txdone_entry_check(entry, reg))
 540				break;
 541			entry = NULL;
 542		}
 543
 544		if (entry)
 545			rt2800_txdone_entry(entry, reg);
 546	}
 547}
 548
 549static void rt2800usb_work_txdone(struct work_struct *work)
 550{
 551	struct rt2x00_dev *rt2x00dev =
 552	    container_of(work, struct rt2x00_dev, txdone_work);
 553	struct data_queue *queue;
 554	struct queue_entry *entry;
 555
 556	rt2800usb_txdone(rt2x00dev);
 557
 558	/*
 559	 * Process any trailing TX status reports for IO failures,
 560	 * we loop until we find the first non-IO error entry. This
 561	 * can either be a frame which is free, is being uploaded,
 562	 * or has completed the upload but didn't have an entry
 563	 * in the TX_STAT_FIFO register yet.
 564	 */
 565	tx_queue_for_each(rt2x00dev, queue) {
 566		while (!rt2x00queue_empty(queue)) {
 567			entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
 568
 569			if (test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags) ||
 570			    !test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))
 571				break;
 572
 573			if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags))
 574				rt2x00lib_txdone_noinfo(entry, TXDONE_FAILURE);
 575			else if (rt2x00queue_status_timeout(entry))
 576				rt2x00lib_txdone_noinfo(entry, TXDONE_UNKNOWN);
 577			else
 578				break;
 579		}
 580	}
 581
 582	/*
 583	 * The hw may delay sending the packet after DMA complete
 584	 * if the medium is busy, thus the TX_STA_FIFO entry is
 585	 * also delayed -> use a timer to retrieve it.
 586	 */
 587	if (rt2800usb_txstatus_pending(rt2x00dev))
 588		mod_timer(&rt2x00dev->txstatus_timer, jiffies + msecs_to_jiffies(2));
 589}
 590
 591/*
 592 * RX control handlers
 593 */
 594static void rt2800usb_fill_rxdone(struct queue_entry *entry,
 595				  struct rxdone_entry_desc *rxdesc)
 596{
 597	struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
 598	__le32 *rxi = (__le32 *)entry->skb->data;
 599	__le32 *rxd;
 600	u32 word;
 601	int rx_pkt_len;
 602
 603	/*
 604	 * Copy descriptor to the skbdesc->desc buffer, making it safe from
 605	 * moving of frame data in rt2x00usb.
 606	 */
 607	memcpy(skbdesc->desc, rxi, skbdesc->desc_len);
 608
 609	/*
 610	 * RX frame format is :
 611	 * | RXINFO | RXWI | header | L2 pad | payload | pad | RXD | USB pad |
 612	 *          |<------------ rx_pkt_len -------------->|
 613	 */
 614	rt2x00_desc_read(rxi, 0, &word);
 615	rx_pkt_len = rt2x00_get_field32(word, RXINFO_W0_USB_DMA_RX_PKT_LEN);
 616
 617	/*
 618	 * Remove the RXINFO structure from the sbk.
 619	 */
 620	skb_pull(entry->skb, RXINFO_DESC_SIZE);
 621
 622	/*
 623	 * FIXME: we need to check for rx_pkt_len validity
 624	 */
 625	rxd = (__le32 *)(entry->skb->data + rx_pkt_len);
 626
 627	/*
 628	 * It is now safe to read the descriptor on all architectures.
 629	 */
 630	rt2x00_desc_read(rxd, 0, &word);
 631
 632	if (rt2x00_get_field32(word, RXD_W0_CRC_ERROR))
 633		rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
 634
 635	rxdesc->cipher_status = rt2x00_get_field32(word, RXD_W0_CIPHER_ERROR);
 636
 637	if (rt2x00_get_field32(word, RXD_W0_DECRYPTED)) {
 638		/*
 639		 * Hardware has stripped IV/EIV data from 802.11 frame during
 640		 * decryption. Unfortunately the descriptor doesn't contain
 641		 * any fields with the EIV/IV data either, so they can't
 642		 * be restored by rt2x00lib.
 643		 */
 644		rxdesc->flags |= RX_FLAG_IV_STRIPPED;
 645
 646		/*
 647		 * The hardware has already checked the Michael Mic and has
 648		 * stripped it from the frame. Signal this to mac80211.
 649		 */
 650		rxdesc->flags |= RX_FLAG_MMIC_STRIPPED;
 651
 652		if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS)
 653			rxdesc->flags |= RX_FLAG_DECRYPTED;
 654		else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC)
 655			rxdesc->flags |= RX_FLAG_MMIC_ERROR;
 656	}
 657
 658	if (rt2x00_get_field32(word, RXD_W0_MY_BSS))
 659		rxdesc->dev_flags |= RXDONE_MY_BSS;
 660
 661	if (rt2x00_get_field32(word, RXD_W0_L2PAD))
 662		rxdesc->dev_flags |= RXDONE_L2PAD;
 663
 664	/*
 665	 * Remove RXD descriptor from end of buffer.
 666	 */
 667	skb_trim(entry->skb, rx_pkt_len);
 668
 669	/*
 670	 * Process the RXWI structure.
 671	 */
 672	rt2800_process_rxwi(entry, rxdesc);
 673}
 674
 675/*
 676 * Device probe functions.
 677 */
 678static int rt2800usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
 679{
 680	if (rt2800_efuse_detect(rt2x00dev))
 681		rt2800_read_eeprom_efuse(rt2x00dev);
 682	else
 683		rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom,
 684				      EEPROM_SIZE);
 685
 686	return rt2800_validate_eeprom(rt2x00dev);
 687}
 688
 689static int rt2800usb_probe_hw(struct rt2x00_dev *rt2x00dev)
 690{
 691	int retval;
 692
 693	/*
 694	 * Allocate eeprom data.
 695	 */
 696	retval = rt2800usb_validate_eeprom(rt2x00dev);
 697	if (retval)
 698		return retval;
 699
 700	retval = rt2800_init_eeprom(rt2x00dev);
 701	if (retval)
 702		return retval;
 703
 704	/*
 705	 * Initialize hw specifications.
 706	 */
 707	retval = rt2800_probe_hw_mode(rt2x00dev);
 708	if (retval)
 709		return retval;
 710
 711	/*
 712	 * This device has multiple filters for control frames
 713	 * and has a separate filter for PS Poll frames.
 714	 */
 715	__set_bit(CAPABILITY_CONTROL_FILTERS, &rt2x00dev->cap_flags);
 716	__set_bit(CAPABILITY_CONTROL_FILTER_PSPOLL, &rt2x00dev->cap_flags);
 717
 718	/*
 719	 * This device requires firmware.
 720	 */
 721	__set_bit(REQUIRE_FIRMWARE, &rt2x00dev->cap_flags);
 722	__set_bit(REQUIRE_L2PAD, &rt2x00dev->cap_flags);
 723	if (!modparam_nohwcrypt)
 724		__set_bit(CAPABILITY_HW_CRYPTO, &rt2x00dev->cap_flags);
 725	__set_bit(CAPABILITY_LINK_TUNING, &rt2x00dev->cap_flags);
 726	__set_bit(REQUIRE_HT_TX_DESC, &rt2x00dev->cap_flags);
 727	__set_bit(REQUIRE_TXSTATUS_FIFO, &rt2x00dev->cap_flags);
 728	__set_bit(REQUIRE_PS_AUTOWAKE, &rt2x00dev->cap_flags);
 729
 730	setup_timer(&rt2x00dev->txstatus_timer,
 731		    rt2800usb_tx_sta_fifo_timeout,
 732		    (unsigned long) rt2x00dev);
 733
 734	/*
 735	 * Set the rssi offset.
 736	 */
 737	rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
 738
 739	/*
 740	 * Overwrite TX done handler
 741	 */
 742	PREPARE_WORK(&rt2x00dev->txdone_work, rt2800usb_work_txdone);
 743
 744	return 0;
 745}
 746
 747static const struct ieee80211_ops rt2800usb_mac80211_ops = {
 748	.tx			= rt2x00mac_tx,
 749	.start			= rt2x00mac_start,
 750	.stop			= rt2x00mac_stop,
 751	.add_interface		= rt2x00mac_add_interface,
 752	.remove_interface	= rt2x00mac_remove_interface,
 753	.config			= rt2x00mac_config,
 754	.configure_filter	= rt2x00mac_configure_filter,
 755	.set_tim		= rt2x00mac_set_tim,
 756	.set_key		= rt2x00mac_set_key,
 757	.sw_scan_start		= rt2x00mac_sw_scan_start,
 758	.sw_scan_complete	= rt2x00mac_sw_scan_complete,
 759	.get_stats		= rt2x00mac_get_stats,
 760	.get_tkip_seq		= rt2800_get_tkip_seq,
 761	.set_rts_threshold	= rt2800_set_rts_threshold,
 762	.bss_info_changed	= rt2x00mac_bss_info_changed,
 763	.conf_tx		= rt2800_conf_tx,
 764	.get_tsf		= rt2800_get_tsf,
 765	.rfkill_poll		= rt2x00mac_rfkill_poll,
 766	.ampdu_action		= rt2800_ampdu_action,
 767	.flush			= rt2x00mac_flush,
 768	.get_survey		= rt2800_get_survey,
 769	.get_ringparam		= rt2x00mac_get_ringparam,
 770	.tx_frames_pending	= rt2x00mac_tx_frames_pending,
 771};
 772
 773static const struct rt2800_ops rt2800usb_rt2800_ops = {
 774	.register_read		= rt2x00usb_register_read,
 775	.register_read_lock	= rt2x00usb_register_read_lock,
 776	.register_write		= rt2x00usb_register_write,
 777	.register_write_lock	= rt2x00usb_register_write_lock,
 778	.register_multiread	= rt2x00usb_register_multiread,
 779	.register_multiwrite	= rt2x00usb_register_multiwrite,
 780	.regbusy_read		= rt2x00usb_regbusy_read,
 781	.drv_write_firmware	= rt2800usb_write_firmware,
 782	.drv_init_registers	= rt2800usb_init_registers,
 783	.drv_get_txwi		= rt2800usb_get_txwi,
 784};
 785
 786static const struct rt2x00lib_ops rt2800usb_rt2x00_ops = {
 787	.probe_hw		= rt2800usb_probe_hw,
 788	.get_firmware_name	= rt2800usb_get_firmware_name,
 789	.check_firmware		= rt2800_check_firmware,
 790	.load_firmware		= rt2800_load_firmware,
 791	.initialize		= rt2x00usb_initialize,
 792	.uninitialize		= rt2x00usb_uninitialize,
 793	.clear_entry		= rt2x00usb_clear_entry,
 794	.set_device_state	= rt2800usb_set_device_state,
 795	.rfkill_poll		= rt2800_rfkill_poll,
 796	.link_stats		= rt2800_link_stats,
 797	.reset_tuner		= rt2800_reset_tuner,
 798	.link_tuner		= rt2800_link_tuner,
 799	.gain_calibration	= rt2800_gain_calibration,
 800	.watchdog		= rt2800usb_watchdog,
 801	.start_queue		= rt2800usb_start_queue,
 802	.kick_queue		= rt2x00usb_kick_queue,
 803	.stop_queue		= rt2800usb_stop_queue,
 804	.flush_queue		= rt2x00usb_flush_queue,
 805	.tx_dma_done		= rt2800usb_tx_dma_done,
 806	.write_tx_desc		= rt2800usb_write_tx_desc,
 807	.write_tx_data		= rt2800usb_write_tx_data,
 808	.write_beacon		= rt2800_write_beacon,
 809	.clear_beacon		= rt2800_clear_beacon,
 810	.get_tx_data_len	= rt2800usb_get_tx_data_len,
 811	.fill_rxdone		= rt2800usb_fill_rxdone,
 812	.config_shared_key	= rt2800_config_shared_key,
 813	.config_pairwise_key	= rt2800_config_pairwise_key,
 814	.config_filter		= rt2800_config_filter,
 815	.config_intf		= rt2800_config_intf,
 816	.config_erp		= rt2800_config_erp,
 817	.config_ant		= rt2800_config_ant,
 818	.config			= rt2800_config,
 819};
 820
 821static const struct data_queue_desc rt2800usb_queue_rx = {
 822	.entry_num		= 128,
 823	.data_size		= AGGREGATION_SIZE,
 824	.desc_size		= RXINFO_DESC_SIZE + RXWI_DESC_SIZE,
 825	.priv_size		= sizeof(struct queue_entry_priv_usb),
 826};
 827
 828static const struct data_queue_desc rt2800usb_queue_tx = {
 829	.entry_num		= 64,
 830	.data_size		= AGGREGATION_SIZE,
 831	.desc_size		= TXINFO_DESC_SIZE + TXWI_DESC_SIZE,
 832	.priv_size		= sizeof(struct queue_entry_priv_usb),
 833};
 834
 835static const struct data_queue_desc rt2800usb_queue_bcn = {
 836	.entry_num		= 8,
 837	.data_size		= MGMT_FRAME_SIZE,
 838	.desc_size		= TXINFO_DESC_SIZE + TXWI_DESC_SIZE,
 839	.priv_size		= sizeof(struct queue_entry_priv_usb),
 840};
 841
 842static const struct rt2x00_ops rt2800usb_ops = {
 843	.name			= KBUILD_MODNAME,
 844	.max_sta_intf		= 1,
 845	.max_ap_intf		= 8,
 846	.eeprom_size		= EEPROM_SIZE,
 847	.rf_size		= RF_SIZE,
 848	.tx_queues		= NUM_TX_QUEUES,
 849	.extra_tx_headroom	= TXINFO_DESC_SIZE + TXWI_DESC_SIZE,
 850	.rx			= &rt2800usb_queue_rx,
 851	.tx			= &rt2800usb_queue_tx,
 852	.bcn			= &rt2800usb_queue_bcn,
 853	.lib			= &rt2800usb_rt2x00_ops,
 854	.drv			= &rt2800usb_rt2800_ops,
 855	.hw			= &rt2800usb_mac80211_ops,
 856#ifdef CONFIG_RT2X00_LIB_DEBUGFS
 857	.debugfs		= &rt2800_rt2x00debug,
 858#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
 859};
 860
 861/*
 862 * rt2800usb module information.
 863 */
 864static struct usb_device_id rt2800usb_device_table[] = {
 865	/* Abocom */
 866	{ USB_DEVICE(0x07b8, 0x2870) },
 867	{ USB_DEVICE(0x07b8, 0x2770) },
 868	{ USB_DEVICE(0x07b8, 0x3070) },
 869	{ USB_DEVICE(0x07b8, 0x3071) },
 870	{ USB_DEVICE(0x07b8, 0x3072) },
 871	{ USB_DEVICE(0x1482, 0x3c09) },
 872	/* AirTies */
 873	{ USB_DEVICE(0x1eda, 0x2012) },
 874	{ USB_DEVICE(0x1eda, 0x2310) },
 875	/* Allwin */
 876	{ USB_DEVICE(0x8516, 0x2070) },
 877	{ USB_DEVICE(0x8516, 0x2770) },
 878	{ USB_DEVICE(0x8516, 0x2870) },
 879	{ USB_DEVICE(0x8516, 0x3070) },
 880	{ USB_DEVICE(0x8516, 0x3071) },
 881	{ USB_DEVICE(0x8516, 0x3072) },
 882	/* Alpha Networks */
 883	{ USB_DEVICE(0x14b2, 0x3c06) },
 884	{ USB_DEVICE(0x14b2, 0x3c07) },
 885	{ USB_DEVICE(0x14b2, 0x3c09) },
 886	{ USB_DEVICE(0x14b2, 0x3c12) },
 887	{ USB_DEVICE(0x14b2, 0x3c23) },
 888	{ USB_DEVICE(0x14b2, 0x3c25) },
 889	{ USB_DEVICE(0x14b2, 0x3c27) },
 890	{ USB_DEVICE(0x14b2, 0x3c28) },
 891	{ USB_DEVICE(0x14b2, 0x3c2c) },
 892	/* Amit */
 893	{ USB_DEVICE(0x15c5, 0x0008) },
 894	/* Askey */
 895	{ USB_DEVICE(0x1690, 0x0740) },
 896	/* ASUS */
 897	{ USB_DEVICE(0x0b05, 0x1731) },
 898	{ USB_DEVICE(0x0b05, 0x1732) },
 899	{ USB_DEVICE(0x0b05, 0x1742) },
 900	{ USB_DEVICE(0x0b05, 0x1784) },
 901	{ USB_DEVICE(0x1761, 0x0b05) },
 902	/* AzureWave */
 903	{ USB_DEVICE(0x13d3, 0x3247) },
 904	{ USB_DEVICE(0x13d3, 0x3273) },
 905	{ USB_DEVICE(0x13d3, 0x3305) },
 906	{ USB_DEVICE(0x13d3, 0x3307) },
 907	{ USB_DEVICE(0x13d3, 0x3321) },
 908	/* Belkin */
 909	{ USB_DEVICE(0x050d, 0x8053) },
 910	{ USB_DEVICE(0x050d, 0x805c) },
 911	{ USB_DEVICE(0x050d, 0x815c) },
 912	{ USB_DEVICE(0x050d, 0x825b) },
 913	{ USB_DEVICE(0x050d, 0x935a) },
 914	{ USB_DEVICE(0x050d, 0x935b) },
 915	/* Buffalo */
 916	{ USB_DEVICE(0x0411, 0x00e8) },
 917	{ USB_DEVICE(0x0411, 0x016f) },
 918	{ USB_DEVICE(0x0411, 0x01a2) },
 919	/* Corega */
 920	{ USB_DEVICE(0x07aa, 0x002f) },
 921	{ USB_DEVICE(0x07aa, 0x003c) },
 922	{ USB_DEVICE(0x07aa, 0x003f) },
 923	{ USB_DEVICE(0x18c5, 0x0012) },
 924	/* D-Link */
 925	{ USB_DEVICE(0x07d1, 0x3c09) },
 926	{ USB_DEVICE(0x07d1, 0x3c0a) },
 927	{ USB_DEVICE(0x07d1, 0x3c0d) },
 928	{ USB_DEVICE(0x07d1, 0x3c0e) },
 929	{ USB_DEVICE(0x07d1, 0x3c0f) },
 930	{ USB_DEVICE(0x07d1, 0x3c11) },
 931	{ USB_DEVICE(0x07d1, 0x3c16) },
 932	/* Draytek */
 933	{ USB_DEVICE(0x07fa, 0x7712) },
 934	/* DVICO */
 935	{ USB_DEVICE(0x0fe9, 0xb307) },
 936	/* Edimax */
 937	{ USB_DEVICE(0x7392, 0x7711) },
 938	{ USB_DEVICE(0x7392, 0x7717) },
 939	{ USB_DEVICE(0x7392, 0x7718) },
 940	/* Encore */
 941	{ USB_DEVICE(0x203d, 0x1480) },
 942	{ USB_DEVICE(0x203d, 0x14a9) },
 943	/* EnGenius */
 944	{ USB_DEVICE(0x1740, 0x9701) },
 945	{ USB_DEVICE(0x1740, 0x9702) },
 946	{ USB_DEVICE(0x1740, 0x9703) },
 947	{ USB_DEVICE(0x1740, 0x9705) },
 948	{ USB_DEVICE(0x1740, 0x9706) },
 949	{ USB_DEVICE(0x1740, 0x9707) },
 950	{ USB_DEVICE(0x1740, 0x9708) },
 951	{ USB_DEVICE(0x1740, 0x9709) },
 952	/* Gemtek */
 953	{ USB_DEVICE(0x15a9, 0x0012) },
 954	/* Gigabyte */
 955	{ USB_DEVICE(0x1044, 0x800b) },
 956	{ USB_DEVICE(0x1044, 0x800d) },
 957	/* Hawking */
 958	{ USB_DEVICE(0x0e66, 0x0001) },
 959	{ USB_DEVICE(0x0e66, 0x0003) },
 960	{ USB_DEVICE(0x0e66, 0x0009) },
 961	{ USB_DEVICE(0x0e66, 0x000b) },
 962	{ USB_DEVICE(0x0e66, 0x0013) },
 963	{ USB_DEVICE(0x0e66, 0x0017) },
 964	{ USB_DEVICE(0x0e66, 0x0018) },
 965	/* I-O DATA */
 966	{ USB_DEVICE(0x04bb, 0x0945) },
 967	{ USB_DEVICE(0x04bb, 0x0947) },
 968	{ USB_DEVICE(0x04bb, 0x0948) },
 969	/* Linksys */
 970	{ USB_DEVICE(0x13b1, 0x0031) },
 971	{ USB_DEVICE(0x1737, 0x0070) },
 972	{ USB_DEVICE(0x1737, 0x0071) },
 973	/* Logitec */
 974	{ USB_DEVICE(0x0789, 0x0162) },
 975	{ USB_DEVICE(0x0789, 0x0163) },
 976	{ USB_DEVICE(0x0789, 0x0164) },
 977	{ USB_DEVICE(0x0789, 0x0166) },
 978	/* Motorola */
 979	{ USB_DEVICE(0x100d, 0x9031) },
 980	/* MSI */
 981	{ USB_DEVICE(0x0db0, 0x3820) },
 982	{ USB_DEVICE(0x0db0, 0x3821) },
 983	{ USB_DEVICE(0x0db0, 0x3822) },
 984	{ USB_DEVICE(0x0db0, 0x3870) },
 985	{ USB_DEVICE(0x0db0, 0x3871) },
 986	{ USB_DEVICE(0x0db0, 0x6899) },
 987	{ USB_DEVICE(0x0db0, 0x821a) },
 988	{ USB_DEVICE(0x0db0, 0x822a) },
 989	{ USB_DEVICE(0x0db0, 0x822b) },
 990	{ USB_DEVICE(0x0db0, 0x822c) },
 991	{ USB_DEVICE(0x0db0, 0x870a) },
 992	{ USB_DEVICE(0x0db0, 0x871a) },
 993	{ USB_DEVICE(0x0db0, 0x871b) },
 994	{ USB_DEVICE(0x0db0, 0x871c) },
 995	{ USB_DEVICE(0x0db0, 0x899a) },
 996	/* Para */
 997	{ USB_DEVICE(0x20b8, 0x8888) },
 998	/* Pegatron */
 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, 0x0302) },
1052	/* U-Media */
1053	{ USB_DEVICE(0x157e, 0x300e) },
1054	{ USB_DEVICE(0x157e, 0x3013) },
1055	/* ZCOM */
1056	{ USB_DEVICE(0x0cde, 0x0022) },
1057	{ USB_DEVICE(0x0cde, 0x0025) },
1058	/* Zinwell */
1059	{ USB_DEVICE(0x5a57, 0x0280) },
1060	{ USB_DEVICE(0x5a57, 0x0282) },
1061	{ USB_DEVICE(0x5a57, 0x0283) },
1062	{ USB_DEVICE(0x5a57, 0x5257) },
1063	/* Zyxel */
1064	{ USB_DEVICE(0x0586, 0x3416) },
1065	{ USB_DEVICE(0x0586, 0x3418) },
1066	{ USB_DEVICE(0x0586, 0x341e) },
1067	{ USB_DEVICE(0x0586, 0x343e) },
1068#ifdef CONFIG_RT2800USB_RT33XX
1069	/* Belkin */
1070	{ USB_DEVICE(0x050d, 0x945b) },
1071	/* Ralink */
1072	{ USB_DEVICE(0x148f, 0x3370) },
1073	{ USB_DEVICE(0x148f, 0x8070) },
1074	/* Sitecom */
1075	{ USB_DEVICE(0x0df6, 0x0050) },
1076#endif
1077#ifdef CONFIG_RT2800USB_RT35XX
1078	/* Allwin */
1079	{ USB_DEVICE(0x8516, 0x3572) },
1080	/* Askey */
1081	{ USB_DEVICE(0x1690, 0x0744) },
1082	/* Cisco */
1083	{ USB_DEVICE(0x167b, 0x4001) },
1084	/* EnGenius */
1085	{ USB_DEVICE(0x1740, 0x9801) },
1086	/* I-O DATA */
1087	{ USB_DEVICE(0x04bb, 0x0944) },
1088	/* Linksys */
1089	{ USB_DEVICE(0x13b1, 0x002f) },
1090	{ USB_DEVICE(0x1737, 0x0079) },
1091	/* Ralink */
1092	{ USB_DEVICE(0x148f, 0x3572) },
1093	/* Sitecom */
1094	{ USB_DEVICE(0x0df6, 0x0041) },
1095	{ USB_DEVICE(0x0df6, 0x0062) },
1096	/* Toshiba */
1097	{ USB_DEVICE(0x0930, 0x0a07) },
1098	/* Zinwell */
1099	{ USB_DEVICE(0x5a57, 0x0284) },
1100#endif
1101#ifdef CONFIG_RT2800USB_RT53XX
1102	/* Azurewave */
1103	{ USB_DEVICE(0x13d3, 0x3329) },
1104	{ USB_DEVICE(0x13d3, 0x3365) },
1105	/* Ralink */
1106	{ USB_DEVICE(0x148f, 0x5370) },
1107	{ USB_DEVICE(0x148f, 0x5372) },
1108#endif
1109#ifdef CONFIG_RT2800USB_UNKNOWN
1110	/*
1111	 * Unclear what kind of devices these are (they aren't supported by the
1112	 * vendor linux driver).
1113	 */
1114	/* Abocom */
1115	{ USB_DEVICE(0x07b8, 0x3073) },
1116	{ USB_DEVICE(0x07b8, 0x3074) },
1117	/* Alpha Networks */
1118	{ USB_DEVICE(0x14b2, 0x3c08) },
1119	{ USB_DEVICE(0x14b2, 0x3c11) },
1120	/* Amigo */
1121	{ USB_DEVICE(0x0e0b, 0x9031) },
1122	{ USB_DEVICE(0x0e0b, 0x9041) },
1123	/* ASUS */
1124	{ USB_DEVICE(0x0b05, 0x166a) },
1125	{ USB_DEVICE(0x0b05, 0x1760) },
1126	{ USB_DEVICE(0x0b05, 0x1761) },
1127	{ USB_DEVICE(0x0b05, 0x1790) },
1128	{ USB_DEVICE(0x0b05, 0x179d) },
1129	/* AzureWave */
1130	{ USB_DEVICE(0x13d3, 0x3262) },
1131	{ USB_DEVICE(0x13d3, 0x3284) },
1132	{ USB_DEVICE(0x13d3, 0x3322) },
1133	/* Belkin */
1134	{ USB_DEVICE(0x050d, 0x1003) },
1135	{ USB_DEVICE(0x050d, 0x825a) },
1136	/* Buffalo */
1137	{ USB_DEVICE(0x0411, 0x012e) },
1138	{ USB_DEVICE(0x0411, 0x0148) },
1139	{ USB_DEVICE(0x0411, 0x0150) },
1140	{ USB_DEVICE(0x0411, 0x015d) },
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, 0x3c13) },
1148	{ USB_DEVICE(0x07d1, 0x3c15) },
1149	{ USB_DEVICE(0x07d1, 0x3c17) },
1150	{ USB_DEVICE(0x2001, 0x3c17) },
1151	/* Edimax */
1152	{ USB_DEVICE(0x7392, 0x4085) },
1153	{ USB_DEVICE(0x7392, 0x7722) },
1154	/* Encore */
1155	{ USB_DEVICE(0x203d, 0x14a1) },
1156	/* Gemtek */
1157	{ USB_DEVICE(0x15a9, 0x0010) },
1158	/* Gigabyte */
1159	{ USB_DEVICE(0x1044, 0x800c) },
1160	/* Huawei */
1161	{ USB_DEVICE(0x148f, 0xf101) },
1162	/* I-O DATA */
1163	{ USB_DEVICE(0x04bb, 0x094b) },
1164	/* LevelOne */
1165	{ USB_DEVICE(0x1740, 0x0605) },
1166	{ USB_DEVICE(0x1740, 0x0615) },
1167	/* Linksys */
1168	{ USB_DEVICE(0x1737, 0x0077) },
1169	{ USB_DEVICE(0x1737, 0x0078) },
1170	/* Logitec */
1171	{ USB_DEVICE(0x0789, 0x0168) },
1172	{ USB_DEVICE(0x0789, 0x0169) },
1173	/* Motorola */
1174	{ USB_DEVICE(0x100d, 0x9032) },
1175	/* Ovislink */
1176	{ USB_DEVICE(0x1b75, 0x3071) },
1177	{ USB_DEVICE(0x1b75, 0x3072) },
1178	/* Pegatron */
1179	{ USB_DEVICE(0x05a6, 0x0101) },
1180	{ USB_DEVICE(0x1d4d, 0x0002) },
1181	{ USB_DEVICE(0x1d4d, 0x0010) },
1182	/* Planex */
1183	{ USB_DEVICE(0x2019, 0x5201) },
1184	{ USB_DEVICE(0x2019, 0xab24) },
1185	/* Qcom */
1186	{ USB_DEVICE(0x18e8, 0x6259) },
1187	/* RadioShack */
1188	{ USB_DEVICE(0x08b9, 0x1197) },
1189	/* Sitecom */
1190	{ USB_DEVICE(0x0df6, 0x003c) },
1191	{ USB_DEVICE(0x0df6, 0x004a) },
1192	{ USB_DEVICE(0x0df6, 0x004d) },
1193	{ USB_DEVICE(0x0df6, 0x0053) },
1194	/* SMC */
1195	{ USB_DEVICE(0x083a, 0xa512) },
1196	{ USB_DEVICE(0x083a, 0xc522) },
1197	{ USB_DEVICE(0x083a, 0xd522) },
1198	{ USB_DEVICE(0x083a, 0xf511) },
1199	/* Sweex */
1200	{ USB_DEVICE(0x177f, 0x0153) },
1201	{ USB_DEVICE(0x177f, 0x0313) },
1202	/* Zyxel */
1203	{ USB_DEVICE(0x0586, 0x341a) },
1204#endif
1205	{ 0, }
1206};
1207
1208MODULE_AUTHOR(DRV_PROJECT);
1209MODULE_VERSION(DRV_VERSION);
1210MODULE_DESCRIPTION("Ralink RT2800 USB Wireless LAN driver.");
1211MODULE_SUPPORTED_DEVICE("Ralink RT2870 USB chipset based cards");
1212MODULE_DEVICE_TABLE(usb, rt2800usb_device_table);
1213MODULE_FIRMWARE(FIRMWARE_RT2870);
1214MODULE_LICENSE("GPL");
1215
1216static int rt2800usb_probe(struct usb_interface *usb_intf,
1217			   const struct usb_device_id *id)
1218{
1219	return rt2x00usb_probe(usb_intf, &rt2800usb_ops);
1220}
1221
1222static struct usb_driver rt2800usb_driver = {
1223	.name		= KBUILD_MODNAME,
1224	.id_table	= rt2800usb_device_table,
1225	.probe		= rt2800usb_probe,
1226	.disconnect	= rt2x00usb_disconnect,
1227	.suspend	= rt2x00usb_suspend,
1228	.resume		= rt2x00usb_resume,
1229};
1230
1231static int __init rt2800usb_init(void)
1232{
1233	return usb_register(&rt2800usb_driver);
1234}
1235
1236static void __exit rt2800usb_exit(void)
1237{
1238	usb_deregister(&rt2800usb_driver);
1239}
1240
1241module_init(rt2800usb_init);
1242module_exit(rt2800usb_exit);