Linux Audio

Check our new training course

Loading...
Note: File does not exist in v4.17.
   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, see <http://www.gnu.org/licenses/>.
  22 */
  23
  24/*
  25	Module: rt2800usb
  26	Abstract: rt2800usb device specific routines.
  27	Supported chipsets: RT2800U.
  28 */
  29
  30#include <linux/delay.h>
  31#include <linux/etherdevice.h>
  32#include <linux/kernel.h>
  33#include <linux/module.h>
  34#include <linux/usb.h>
  35
  36#include "rt2x00.h"
  37#include "rt2x00usb.h"
  38#include "rt2800lib.h"
  39#include "rt2800.h"
  40#include "rt2800usb.h"
  41
  42/*
  43 * Allow hardware encryption to be disabled.
  44 */
  45static bool modparam_nohwcrypt;
  46module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
  47MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
  48
  49static bool rt2800usb_hwcrypt_disabled(struct rt2x00_dev *rt2x00dev)
  50{
  51	return modparam_nohwcrypt;
  52}
  53
  54/*
  55 * Queue handlers.
  56 */
  57static void rt2800usb_start_queue(struct data_queue *queue)
  58{
  59	struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
  60	u32 reg;
  61
  62	switch (queue->qid) {
  63	case QID_RX:
  64		rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
  65		rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 1);
  66		rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
  67		break;
  68	case QID_BEACON:
  69		rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
  70		rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 1);
  71		rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 1);
  72		rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 1);
  73		rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg);
  74		break;
  75	default:
  76		break;
  77	}
  78}
  79
  80static void rt2800usb_stop_queue(struct data_queue *queue)
  81{
  82	struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
  83	u32 reg;
  84
  85	switch (queue->qid) {
  86	case QID_RX:
  87		rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
  88		rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
  89		rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
  90		break;
  91	case QID_BEACON:
  92		rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
  93		rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 0);
  94		rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 0);
  95		rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
  96		rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg);
  97		break;
  98	default:
  99		break;
 100	}
 101}
 102
 103/*
 104 * test if there is an entry in any TX queue for which DMA is done
 105 * but the TX status has not been returned yet
 106 */
 107static bool rt2800usb_txstatus_pending(struct rt2x00_dev *rt2x00dev)
 108{
 109	struct data_queue *queue;
 110
 111	tx_queue_for_each(rt2x00dev, queue) {
 112		if (rt2x00queue_get_entry(queue, Q_INDEX_DMA_DONE) !=
 113		    rt2x00queue_get_entry(queue, Q_INDEX_DONE))
 114			return true;
 115	}
 116	return false;
 117}
 118
 119static inline bool rt2800usb_entry_txstatus_timeout(struct queue_entry *entry)
 120{
 121	bool tout;
 122
 123	if (!test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))
 124		return false;
 125
 126	tout = time_after(jiffies, entry->last_action + msecs_to_jiffies(100));
 127	if (unlikely(tout))
 128		rt2x00_dbg(entry->queue->rt2x00dev,
 129			   "TX status timeout for entry %d in queue %d\n",
 130			   entry->entry_idx, entry->queue->qid);
 131	return tout;
 132
 133}
 134
 135static bool rt2800usb_txstatus_timeout(struct rt2x00_dev *rt2x00dev)
 136{
 137	struct data_queue *queue;
 138	struct queue_entry *entry;
 139
 140	tx_queue_for_each(rt2x00dev, queue) {
 141		entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
 142		if (rt2800usb_entry_txstatus_timeout(entry))
 143			return true;
 144	}
 145	return false;
 146}
 147
 148#define TXSTATUS_READ_INTERVAL 1000000
 149
 150static bool rt2800usb_tx_sta_fifo_read_completed(struct rt2x00_dev *rt2x00dev,
 151						 int urb_status, u32 tx_status)
 152{
 153	bool valid;
 154
 155	if (urb_status) {
 156		rt2x00_warn(rt2x00dev, "TX status read failed %d\n",
 157			    urb_status);
 158
 159		goto stop_reading;
 160	}
 161
 162	valid = rt2x00_get_field32(tx_status, TX_STA_FIFO_VALID);
 163	if (valid) {
 164		if (!kfifo_put(&rt2x00dev->txstatus_fifo, tx_status))
 165			rt2x00_warn(rt2x00dev, "TX status FIFO overrun\n");
 166
 167		queue_work(rt2x00dev->workqueue, &rt2x00dev->txdone_work);
 168
 169		/* Reschedule urb to read TX status again instantly */
 170		return true;
 171	}
 172
 173	/* Check if there is any entry that timedout waiting on TX status */
 174	if (rt2800usb_txstatus_timeout(rt2x00dev))
 175		queue_work(rt2x00dev->workqueue, &rt2x00dev->txdone_work);
 176
 177	if (rt2800usb_txstatus_pending(rt2x00dev)) {
 178		/* Read register after 1 ms */
 179		hrtimer_start(&rt2x00dev->txstatus_timer,
 180			      ktime_set(0, TXSTATUS_READ_INTERVAL),
 181			      HRTIMER_MODE_REL);
 182		return false;
 183	}
 184
 185stop_reading:
 186	clear_bit(TX_STATUS_READING, &rt2x00dev->flags);
 187	/*
 188	 * There is small race window above, between txstatus pending check and
 189	 * clear_bit someone could do rt2x00usb_interrupt_txdone, so recheck
 190	 * here again if status reading is needed.
 191	 */
 192	if (rt2800usb_txstatus_pending(rt2x00dev) &&
 193	    !test_and_set_bit(TX_STATUS_READING, &rt2x00dev->flags))
 194		return true;
 195	else
 196		return false;
 197}
 198
 199static void rt2800usb_async_read_tx_status(struct rt2x00_dev *rt2x00dev)
 200{
 201
 202	if (test_and_set_bit(TX_STATUS_READING, &rt2x00dev->flags))
 203		return;
 204
 205	/* Read TX_STA_FIFO register after 2 ms */
 206	hrtimer_start(&rt2x00dev->txstatus_timer,
 207		      ktime_set(0, 2*TXSTATUS_READ_INTERVAL),
 208		      HRTIMER_MODE_REL);
 209}
 210
 211static void rt2800usb_tx_dma_done(struct queue_entry *entry)
 212{
 213	struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
 214
 215	rt2800usb_async_read_tx_status(rt2x00dev);
 216}
 217
 218static enum hrtimer_restart rt2800usb_tx_sta_fifo_timeout(struct hrtimer *timer)
 219{
 220	struct rt2x00_dev *rt2x00dev =
 221	    container_of(timer, struct rt2x00_dev, txstatus_timer);
 222
 223	rt2x00usb_register_read_async(rt2x00dev, TX_STA_FIFO,
 224				      rt2800usb_tx_sta_fifo_read_completed);
 225
 226	return HRTIMER_NORESTART;
 227}
 228
 229/*
 230 * Firmware functions
 231 */
 232static char *rt2800usb_get_firmware_name(struct rt2x00_dev *rt2x00dev)
 233{
 234	return FIRMWARE_RT2870;
 235}
 236
 237static int rt2800usb_write_firmware(struct rt2x00_dev *rt2x00dev,
 238				    const u8 *data, const size_t len)
 239{
 240	int status;
 241	u32 offset;
 242	u32 length;
 243
 244	/*
 245	 * Check which section of the firmware we need.
 246	 */
 247	if (rt2x00_rt(rt2x00dev, RT2860) ||
 248	    rt2x00_rt(rt2x00dev, RT2872) ||
 249	    rt2x00_rt(rt2x00dev, RT3070)) {
 250		offset = 0;
 251		length = 4096;
 252	} else {
 253		offset = 4096;
 254		length = 4096;
 255	}
 256
 257	/*
 258	 * Write firmware to device.
 259	 */
 260	rt2x00usb_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE,
 261				      data + offset, length);
 262
 263	rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0);
 264	rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0);
 265
 266	/*
 267	 * Send firmware request to device to load firmware,
 268	 * we need to specify a long timeout time.
 269	 */
 270	status = rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE,
 271					     0, USB_MODE_FIRMWARE,
 272					     REGISTER_TIMEOUT_FIRMWARE);
 273	if (status < 0) {
 274		rt2x00_err(rt2x00dev, "Failed to write Firmware to device\n");
 275		return status;
 276	}
 277
 278	msleep(10);
 279	rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
 280
 281	return 0;
 282}
 283
 284/*
 285 * Device state switch handlers.
 286 */
 287static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
 288{
 289	u32 reg;
 290
 291	/*
 292	 * Wait until BBP and RF are ready.
 293	 */
 294	if (rt2800_wait_csr_ready(rt2x00dev))
 295		return -EBUSY;
 296
 297	rt2x00usb_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
 298	rt2x00usb_register_write(rt2x00dev, PBF_SYS_CTRL, reg & ~0x00002000);
 299
 300	reg = 0;
 301	rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_CSR, 1);
 302	rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_BBP, 1);
 303	rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
 304
 305	rt2x00usb_register_write(rt2x00dev, USB_DMA_CFG, 0x00000000);
 306
 307	rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0,
 308				    USB_MODE_RESET, REGISTER_TIMEOUT);
 309
 310	rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
 311
 312	return 0;
 313}
 314
 315static int rt2800usb_enable_radio(struct rt2x00_dev *rt2x00dev)
 316{
 317	u32 reg;
 318
 319	if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev)))
 320		return -EIO;
 321
 322	rt2x00usb_register_read(rt2x00dev, USB_DMA_CFG, &reg);
 323	rt2x00_set_field32(&reg, USB_DMA_CFG_PHY_CLEAR, 0);
 324	rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_EN, 0);
 325	rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_TIMEOUT, 128);
 326	/*
 327	 * Total room for RX frames in kilobytes, PBF might still exceed
 328	 * this limit so reduce the number to prevent errors.
 329	 */
 330	rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_LIMIT,
 331			   ((rt2x00dev->rx->limit * DATA_FRAME_SIZE)
 332			    / 1024) - 3);
 333	rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_EN, 1);
 334	rt2x00_set_field32(&reg, USB_DMA_CFG_TX_BULK_EN, 1);
 335	rt2x00usb_register_write(rt2x00dev, USB_DMA_CFG, reg);
 336
 337	return rt2800_enable_radio(rt2x00dev);
 338}
 339
 340static void rt2800usb_disable_radio(struct rt2x00_dev *rt2x00dev)
 341{
 342	rt2800_disable_radio(rt2x00dev);
 343	rt2x00usb_disable_radio(rt2x00dev);
 344}
 345
 346static int rt2800usb_set_state(struct rt2x00_dev *rt2x00dev,
 347			       enum dev_state state)
 348{
 349	if (state == STATE_AWAKE)
 350		rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, 0xff, 0, 2);
 351	else
 352		rt2800_mcu_request(rt2x00dev, MCU_SLEEP, 0xff, 0xff, 2);
 353
 354	return 0;
 355}
 356
 357static int rt2800usb_set_device_state(struct rt2x00_dev *rt2x00dev,
 358				      enum dev_state state)
 359{
 360	int retval = 0;
 361
 362	switch (state) {
 363	case STATE_RADIO_ON:
 364		/*
 365		 * Before the radio can be enabled, the device first has
 366		 * to be woken up. After that it needs a bit of time
 367		 * to be fully awake and then the radio can be enabled.
 368		 */
 369		rt2800usb_set_state(rt2x00dev, STATE_AWAKE);
 370		msleep(1);
 371		retval = rt2800usb_enable_radio(rt2x00dev);
 372		break;
 373	case STATE_RADIO_OFF:
 374		/*
 375		 * After the radio has been disabled, the device should
 376		 * be put to sleep for powersaving.
 377		 */
 378		rt2800usb_disable_radio(rt2x00dev);
 379		rt2800usb_set_state(rt2x00dev, STATE_SLEEP);
 380		break;
 381	case STATE_RADIO_IRQ_ON:
 382	case STATE_RADIO_IRQ_OFF:
 383		/* No support, but no error either */
 384		break;
 385	case STATE_DEEP_SLEEP:
 386	case STATE_SLEEP:
 387	case STATE_STANDBY:
 388	case STATE_AWAKE:
 389		retval = rt2800usb_set_state(rt2x00dev, state);
 390		break;
 391	default:
 392		retval = -ENOTSUPP;
 393		break;
 394	}
 395
 396	if (unlikely(retval))
 397		rt2x00_err(rt2x00dev, "Device failed to enter state %d (%d)\n",
 398			   state, retval);
 399
 400	return retval;
 401}
 402
 403/*
 404 * Watchdog handlers
 405 */
 406static void rt2800usb_watchdog(struct rt2x00_dev *rt2x00dev)
 407{
 408	unsigned int i;
 409	u32 reg;
 410
 411	rt2x00usb_register_read(rt2x00dev, TXRXQ_PCNT, &reg);
 412	if (rt2x00_get_field32(reg, TXRXQ_PCNT_TX0Q)) {
 413		rt2x00_warn(rt2x00dev, "TX HW queue 0 timed out, invoke forced kick\n");
 414
 415		rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40012);
 416
 417		for (i = 0; i < 10; i++) {
 418			udelay(10);
 419			if (!rt2x00_get_field32(reg, TXRXQ_PCNT_TX0Q))
 420				break;
 421		}
 422
 423		rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40006);
 424	}
 425
 426	rt2x00usb_register_read(rt2x00dev, TXRXQ_PCNT, &reg);
 427	if (rt2x00_get_field32(reg, TXRXQ_PCNT_TX1Q)) {
 428		rt2x00_warn(rt2x00dev, "TX HW queue 1 timed out, invoke forced kick\n");
 429
 430		rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf4000a);
 431
 432		for (i = 0; i < 10; i++) {
 433			udelay(10);
 434			if (!rt2x00_get_field32(reg, TXRXQ_PCNT_TX1Q))
 435				break;
 436		}
 437
 438		rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40006);
 439	}
 440
 441	rt2x00usb_watchdog(rt2x00dev);
 442}
 443
 444/*
 445 * TX descriptor initialization
 446 */
 447static __le32 *rt2800usb_get_txwi(struct queue_entry *entry)
 448{
 449	if (entry->queue->qid == QID_BEACON)
 450		return (__le32 *) (entry->skb->data);
 451	else
 452		return (__le32 *) (entry->skb->data + TXINFO_DESC_SIZE);
 453}
 454
 455static void rt2800usb_write_tx_desc(struct queue_entry *entry,
 456				    struct txentry_desc *txdesc)
 457{
 458	struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
 459	__le32 *txi = (__le32 *) entry->skb->data;
 460	u32 word;
 461
 462	/*
 463	 * Initialize TXINFO descriptor
 464	 */
 465	rt2x00_desc_read(txi, 0, &word);
 466
 467	/*
 468	 * The size of TXINFO_W0_USB_DMA_TX_PKT_LEN is
 469	 * TXWI + 802.11 header + L2 pad + payload + pad,
 470	 * so need to decrease size of TXINFO.
 471	 */
 472	rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_PKT_LEN,
 473			   roundup(entry->skb->len, 4) - TXINFO_DESC_SIZE);
 474	rt2x00_set_field32(&word, TXINFO_W0_WIV,
 475			   !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags));
 476	rt2x00_set_field32(&word, TXINFO_W0_QSEL, 2);
 477	rt2x00_set_field32(&word, TXINFO_W0_SW_USE_LAST_ROUND, 0);
 478	rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_NEXT_VALID, 0);
 479	rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_BURST,
 480			   test_bit(ENTRY_TXD_BURST, &txdesc->flags));
 481	rt2x00_desc_write(txi, 0, word);
 482
 483	/*
 484	 * Register descriptor details in skb frame descriptor.
 485	 */
 486	skbdesc->flags |= SKBDESC_DESC_IN_SKB;
 487	skbdesc->desc = txi;
 488	skbdesc->desc_len = TXINFO_DESC_SIZE + entry->queue->winfo_size;
 489}
 490
 491/*
 492 * TX data initialization
 493 */
 494static int rt2800usb_get_tx_data_len(struct queue_entry *entry)
 495{
 496	/*
 497	 * pad(1~3 bytes) is needed after each 802.11 payload.
 498	 * USB end pad(4 bytes) is needed at each USB bulk out packet end.
 499	 * TX frame format is :
 500	 * | TXINFO | TXWI | 802.11 header | L2 pad | payload | pad | USB end pad |
 501	 *                 |<------------- tx_pkt_len ------------->|
 502	 */
 503
 504	return roundup(entry->skb->len, 4) + 4;
 505}
 506
 507/*
 508 * TX control handlers
 509 */
 510static enum txdone_entry_desc_flags
 511rt2800usb_txdone_entry_check(struct queue_entry *entry, u32 reg)
 512{
 513	__le32 *txwi;
 514	u32 word;
 515	int wcid, ack, pid;
 516	int tx_wcid, tx_ack, tx_pid, is_agg;
 517
 518	/*
 519	 * This frames has returned with an IO error,
 520	 * so the status report is not intended for this
 521	 * frame.
 522	 */
 523	if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags))
 524		return TXDONE_FAILURE;
 525
 526	wcid	= rt2x00_get_field32(reg, TX_STA_FIFO_WCID);
 527	ack	= rt2x00_get_field32(reg, TX_STA_FIFO_TX_ACK_REQUIRED);
 528	pid	= rt2x00_get_field32(reg, TX_STA_FIFO_PID_TYPE);
 529	is_agg	= rt2x00_get_field32(reg, TX_STA_FIFO_TX_AGGRE);
 530
 531	/*
 532	 * Validate if this TX status report is intended for
 533	 * this entry by comparing the WCID/ACK/PID fields.
 534	 */
 535	txwi = rt2800usb_get_txwi(entry);
 536
 537	rt2x00_desc_read(txwi, 1, &word);
 538	tx_wcid = rt2x00_get_field32(word, TXWI_W1_WIRELESS_CLI_ID);
 539	tx_ack  = rt2x00_get_field32(word, TXWI_W1_ACK);
 540	tx_pid  = rt2x00_get_field32(word, TXWI_W1_PACKETID);
 541
 542	if (wcid != tx_wcid || ack != tx_ack || (!is_agg && pid != tx_pid)) {
 543		rt2x00_dbg(entry->queue->rt2x00dev,
 544			   "TX status report missed for queue %d entry %d\n",
 545			   entry->queue->qid, entry->entry_idx);
 546		return TXDONE_UNKNOWN;
 547	}
 548
 549	return TXDONE_SUCCESS;
 550}
 551
 552static void rt2800usb_txdone(struct rt2x00_dev *rt2x00dev)
 553{
 554	struct data_queue *queue;
 555	struct queue_entry *entry;
 556	u32 reg;
 557	u8 qid;
 558	enum txdone_entry_desc_flags done_status;
 559
 560	while (kfifo_get(&rt2x00dev->txstatus_fifo, &reg)) {
 561		/*
 562		 * TX_STA_FIFO_PID_QUEUE is a 2-bit field, thus qid is
 563		 * guaranteed to be one of the TX QIDs .
 564		 */
 565		qid = rt2x00_get_field32(reg, TX_STA_FIFO_PID_QUEUE);
 566		queue = rt2x00queue_get_tx_queue(rt2x00dev, qid);
 567
 568		if (unlikely(rt2x00queue_empty(queue))) {
 569			rt2x00_dbg(rt2x00dev, "Got TX status for an empty queue %u, dropping\n",
 570				   qid);
 571			break;
 572		}
 573
 574		entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
 575
 576		if (unlikely(test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags) ||
 577			     !test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))) {
 578			rt2x00_warn(rt2x00dev, "Data pending for entry %u in queue %u\n",
 579				    entry->entry_idx, qid);
 580			break;
 581		}
 582
 583		done_status = rt2800usb_txdone_entry_check(entry, reg);
 584		if (likely(done_status == TXDONE_SUCCESS))
 585			rt2800_txdone_entry(entry, reg, rt2800usb_get_txwi(entry));
 586		else
 587			rt2x00lib_txdone_noinfo(entry, done_status);
 588	}
 589}
 590
 591static void rt2800usb_txdone_nostatus(struct rt2x00_dev *rt2x00dev)
 592{
 593	struct data_queue *queue;
 594	struct queue_entry *entry;
 595
 596	/*
 597	 * Process any trailing TX status reports for IO failures,
 598	 * we loop until we find the first non-IO error entry. This
 599	 * can either be a frame which is free, is being uploaded,
 600	 * or has completed the upload but didn't have an entry
 601	 * in the TX_STAT_FIFO register yet.
 602	 */
 603	tx_queue_for_each(rt2x00dev, queue) {
 604		while (!rt2x00queue_empty(queue)) {
 605			entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
 606
 607			if (test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags) ||
 608			    !test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))
 609				break;
 610
 611			if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags))
 612				rt2x00lib_txdone_noinfo(entry, TXDONE_FAILURE);
 613			else if (rt2800usb_entry_txstatus_timeout(entry))
 614				rt2x00lib_txdone_noinfo(entry, TXDONE_UNKNOWN);
 615			else
 616				break;
 617		}
 618	}
 619}
 620
 621static void rt2800usb_work_txdone(struct work_struct *work)
 622{
 623	struct rt2x00_dev *rt2x00dev =
 624	    container_of(work, struct rt2x00_dev, txdone_work);
 625
 626	while (!kfifo_is_empty(&rt2x00dev->txstatus_fifo) ||
 627	       rt2800usb_txstatus_timeout(rt2x00dev)) {
 628
 629		rt2800usb_txdone(rt2x00dev);
 630
 631		rt2800usb_txdone_nostatus(rt2x00dev);
 632
 633		/*
 634		 * The hw may delay sending the packet after DMA complete
 635		 * if the medium is busy, thus the TX_STA_FIFO entry is
 636		 * also delayed -> use a timer to retrieve it.
 637		 */
 638		if (rt2800usb_txstatus_pending(rt2x00dev))
 639			rt2800usb_async_read_tx_status(rt2x00dev);
 640	}
 641}
 642
 643/*
 644 * RX control handlers
 645 */
 646static void rt2800usb_fill_rxdone(struct queue_entry *entry,
 647				  struct rxdone_entry_desc *rxdesc)
 648{
 649	struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
 650	__le32 *rxi = (__le32 *)entry->skb->data;
 651	__le32 *rxd;
 652	u32 word;
 653	int rx_pkt_len;
 654
 655	/*
 656	 * Copy descriptor to the skbdesc->desc buffer, making it safe from
 657	 * moving of frame data in rt2x00usb.
 658	 */
 659	memcpy(skbdesc->desc, rxi, skbdesc->desc_len);
 660
 661	/*
 662	 * RX frame format is :
 663	 * | RXINFO | RXWI | header | L2 pad | payload | pad | RXD | USB pad |
 664	 *          |<------------ rx_pkt_len -------------->|
 665	 */
 666	rt2x00_desc_read(rxi, 0, &word);
 667	rx_pkt_len = rt2x00_get_field32(word, RXINFO_W0_USB_DMA_RX_PKT_LEN);
 668
 669	/*
 670	 * Remove the RXINFO structure from the sbk.
 671	 */
 672	skb_pull(entry->skb, RXINFO_DESC_SIZE);
 673
 674	/*
 675	 * Check for rx_pkt_len validity. Return if invalid, leaving
 676	 * rxdesc->size zeroed out by the upper level.
 677	 */
 678	if (unlikely(rx_pkt_len == 0 ||
 679			rx_pkt_len > entry->queue->data_size)) {
 680		rt2x00_err(entry->queue->rt2x00dev,
 681			   "Bad frame size %d, forcing to 0\n", rx_pkt_len);
 682		return;
 683	}
 684
 685	rxd = (__le32 *)(entry->skb->data + rx_pkt_len);
 686
 687	/*
 688	 * It is now safe to read the descriptor on all architectures.
 689	 */
 690	rt2x00_desc_read(rxd, 0, &word);
 691
 692	if (rt2x00_get_field32(word, RXD_W0_CRC_ERROR))
 693		rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
 694
 695	rxdesc->cipher_status = rt2x00_get_field32(word, RXD_W0_CIPHER_ERROR);
 696
 697	if (rt2x00_get_field32(word, RXD_W0_DECRYPTED)) {
 698		/*
 699		 * Hardware has stripped IV/EIV data from 802.11 frame during
 700		 * decryption. Unfortunately the descriptor doesn't contain
 701		 * any fields with the EIV/IV data either, so they can't
 702		 * be restored by rt2x00lib.
 703		 */
 704		rxdesc->flags |= RX_FLAG_IV_STRIPPED;
 705
 706		/*
 707		 * The hardware has already checked the Michael Mic and has
 708		 * stripped it from the frame. Signal this to mac80211.
 709		 */
 710		rxdesc->flags |= RX_FLAG_MMIC_STRIPPED;
 711
 712		if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS)
 713			rxdesc->flags |= RX_FLAG_DECRYPTED;
 714		else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC)
 715			rxdesc->flags |= RX_FLAG_MMIC_ERROR;
 716	}
 717
 718	if (rt2x00_get_field32(word, RXD_W0_MY_BSS))
 719		rxdesc->dev_flags |= RXDONE_MY_BSS;
 720
 721	if (rt2x00_get_field32(word, RXD_W0_L2PAD))
 722		rxdesc->dev_flags |= RXDONE_L2PAD;
 723
 724	/*
 725	 * Remove RXD descriptor from end of buffer.
 726	 */
 727	skb_trim(entry->skb, rx_pkt_len);
 728
 729	/*
 730	 * Process the RXWI structure.
 731	 */
 732	rt2800_process_rxwi(entry, rxdesc);
 733}
 734
 735/*
 736 * Device probe functions.
 737 */
 738static int rt2800usb_read_eeprom(struct rt2x00_dev *rt2x00dev)
 739{
 740	int retval;
 741
 742	if (rt2800_efuse_detect(rt2x00dev))
 743		retval = rt2800_read_eeprom_efuse(rt2x00dev);
 744	else
 745		retval = rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom,
 746					       EEPROM_SIZE);
 747
 748	return retval;
 749}
 750
 751static int rt2800usb_probe_hw(struct rt2x00_dev *rt2x00dev)
 752{
 753	int retval;
 754
 755	retval = rt2800_probe_hw(rt2x00dev);
 756	if (retval)
 757		return retval;
 758
 759	/*
 760	 * Set txstatus timer function.
 761	 */
 762	rt2x00dev->txstatus_timer.function = rt2800usb_tx_sta_fifo_timeout;
 763
 764	/*
 765	 * Overwrite TX done handler
 766	 */
 767	INIT_WORK(&rt2x00dev->txdone_work, rt2800usb_work_txdone);
 768
 769	return 0;
 770}
 771
 772static const struct ieee80211_ops rt2800usb_mac80211_ops = {
 773	.tx			= rt2x00mac_tx,
 774	.start			= rt2x00mac_start,
 775	.stop			= rt2x00mac_stop,
 776	.add_interface		= rt2x00mac_add_interface,
 777	.remove_interface	= rt2x00mac_remove_interface,
 778	.config			= rt2x00mac_config,
 779	.configure_filter	= rt2x00mac_configure_filter,
 780	.set_tim		= rt2x00mac_set_tim,
 781	.set_key		= rt2x00mac_set_key,
 782	.sw_scan_start		= rt2x00mac_sw_scan_start,
 783	.sw_scan_complete	= rt2x00mac_sw_scan_complete,
 784	.get_stats		= rt2x00mac_get_stats,
 785	.get_tkip_seq		= rt2800_get_tkip_seq,
 786	.set_rts_threshold	= rt2800_set_rts_threshold,
 787	.sta_add		= rt2x00mac_sta_add,
 788	.sta_remove		= rt2x00mac_sta_remove,
 789	.bss_info_changed	= rt2x00mac_bss_info_changed,
 790	.conf_tx		= rt2800_conf_tx,
 791	.get_tsf		= rt2800_get_tsf,
 792	.rfkill_poll		= rt2x00mac_rfkill_poll,
 793	.ampdu_action		= rt2800_ampdu_action,
 794	.flush			= rt2x00mac_flush,
 795	.get_survey		= rt2800_get_survey,
 796	.get_ringparam		= rt2x00mac_get_ringparam,
 797	.tx_frames_pending	= rt2x00mac_tx_frames_pending,
 798};
 799
 800static const struct rt2800_ops rt2800usb_rt2800_ops = {
 801	.register_read		= rt2x00usb_register_read,
 802	.register_read_lock	= rt2x00usb_register_read_lock,
 803	.register_write		= rt2x00usb_register_write,
 804	.register_write_lock	= rt2x00usb_register_write_lock,
 805	.register_multiread	= rt2x00usb_register_multiread,
 806	.register_multiwrite	= rt2x00usb_register_multiwrite,
 807	.regbusy_read		= rt2x00usb_regbusy_read,
 808	.read_eeprom		= rt2800usb_read_eeprom,
 809	.hwcrypt_disabled	= rt2800usb_hwcrypt_disabled,
 810	.drv_write_firmware	= rt2800usb_write_firmware,
 811	.drv_init_registers	= rt2800usb_init_registers,
 812	.drv_get_txwi		= rt2800usb_get_txwi,
 813};
 814
 815static const struct rt2x00lib_ops rt2800usb_rt2x00_ops = {
 816	.probe_hw		= rt2800usb_probe_hw,
 817	.get_firmware_name	= rt2800usb_get_firmware_name,
 818	.check_firmware		= rt2800_check_firmware,
 819	.load_firmware		= rt2800_load_firmware,
 820	.initialize		= rt2x00usb_initialize,
 821	.uninitialize		= rt2x00usb_uninitialize,
 822	.clear_entry		= rt2x00usb_clear_entry,
 823	.set_device_state	= rt2800usb_set_device_state,
 824	.rfkill_poll		= rt2800_rfkill_poll,
 825	.link_stats		= rt2800_link_stats,
 826	.reset_tuner		= rt2800_reset_tuner,
 827	.link_tuner		= rt2800_link_tuner,
 828	.gain_calibration	= rt2800_gain_calibration,
 829	.vco_calibration	= rt2800_vco_calibration,
 830	.watchdog		= rt2800usb_watchdog,
 831	.start_queue		= rt2800usb_start_queue,
 832	.kick_queue		= rt2x00usb_kick_queue,
 833	.stop_queue		= rt2800usb_stop_queue,
 834	.flush_queue		= rt2x00usb_flush_queue,
 835	.tx_dma_done		= rt2800usb_tx_dma_done,
 836	.write_tx_desc		= rt2800usb_write_tx_desc,
 837	.write_tx_data		= rt2800_write_tx_data,
 838	.write_beacon		= rt2800_write_beacon,
 839	.clear_beacon		= rt2800_clear_beacon,
 840	.get_tx_data_len	= rt2800usb_get_tx_data_len,
 841	.fill_rxdone		= rt2800usb_fill_rxdone,
 842	.config_shared_key	= rt2800_config_shared_key,
 843	.config_pairwise_key	= rt2800_config_pairwise_key,
 844	.config_filter		= rt2800_config_filter,
 845	.config_intf		= rt2800_config_intf,
 846	.config_erp		= rt2800_config_erp,
 847	.config_ant		= rt2800_config_ant,
 848	.config			= rt2800_config,
 849	.sta_add		= rt2800_sta_add,
 850	.sta_remove		= rt2800_sta_remove,
 851};
 852
 853static void rt2800usb_queue_init(struct data_queue *queue)
 854{
 855	struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
 856	unsigned short txwi_size, rxwi_size;
 857
 858	rt2800_get_txwi_rxwi_size(rt2x00dev, &txwi_size, &rxwi_size);
 859
 860	switch (queue->qid) {
 861	case QID_RX:
 862		queue->limit = 128;
 863		queue->data_size = AGGREGATION_SIZE;
 864		queue->desc_size = RXINFO_DESC_SIZE;
 865		queue->winfo_size = rxwi_size;
 866		queue->priv_size = sizeof(struct queue_entry_priv_usb);
 867		break;
 868
 869	case QID_AC_VO:
 870	case QID_AC_VI:
 871	case QID_AC_BE:
 872	case QID_AC_BK:
 873		queue->limit = 16;
 874		queue->data_size = AGGREGATION_SIZE;
 875		queue->desc_size = TXINFO_DESC_SIZE;
 876		queue->winfo_size = txwi_size;
 877		queue->priv_size = sizeof(struct queue_entry_priv_usb);
 878		break;
 879
 880	case QID_BEACON:
 881		queue->limit = 8;
 882		queue->data_size = MGMT_FRAME_SIZE;
 883		queue->desc_size = TXINFO_DESC_SIZE;
 884		queue->winfo_size = txwi_size;
 885		queue->priv_size = sizeof(struct queue_entry_priv_usb);
 886		break;
 887
 888	case QID_ATIM:
 889		/* fallthrough */
 890	default:
 891		BUG();
 892		break;
 893	}
 894}
 895
 896static const struct rt2x00_ops rt2800usb_ops = {
 897	.name			= KBUILD_MODNAME,
 898	.drv_data_size		= sizeof(struct rt2800_drv_data),
 899	.max_ap_intf		= 8,
 900	.eeprom_size		= EEPROM_SIZE,
 901	.rf_size		= RF_SIZE,
 902	.tx_queues		= NUM_TX_QUEUES,
 903	.queue_init		= rt2800usb_queue_init,
 904	.lib			= &rt2800usb_rt2x00_ops,
 905	.drv			= &rt2800usb_rt2800_ops,
 906	.hw			= &rt2800usb_mac80211_ops,
 907#ifdef CONFIG_RT2X00_LIB_DEBUGFS
 908	.debugfs		= &rt2800_rt2x00debug,
 909#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
 910};
 911
 912/*
 913 * rt2800usb module information.
 914 */
 915static struct usb_device_id rt2800usb_device_table[] = {
 916	/* Abocom */
 917	{ USB_DEVICE(0x07b8, 0x2870) },
 918	{ USB_DEVICE(0x07b8, 0x2770) },
 919	{ USB_DEVICE(0x07b8, 0x3070) },
 920	{ USB_DEVICE(0x07b8, 0x3071) },
 921	{ USB_DEVICE(0x07b8, 0x3072) },
 922	{ USB_DEVICE(0x1482, 0x3c09) },
 923	/* AirTies */
 924	{ USB_DEVICE(0x1eda, 0x2012) },
 925	{ USB_DEVICE(0x1eda, 0x2210) },
 926	{ USB_DEVICE(0x1eda, 0x2310) },
 927	/* Allwin */
 928	{ USB_DEVICE(0x8516, 0x2070) },
 929	{ USB_DEVICE(0x8516, 0x2770) },
 930	{ USB_DEVICE(0x8516, 0x2870) },
 931	{ USB_DEVICE(0x8516, 0x3070) },
 932	{ USB_DEVICE(0x8516, 0x3071) },
 933	{ USB_DEVICE(0x8516, 0x3072) },
 934	/* Alpha Networks */
 935	{ USB_DEVICE(0x14b2, 0x3c06) },
 936	{ USB_DEVICE(0x14b2, 0x3c07) },
 937	{ USB_DEVICE(0x14b2, 0x3c09) },
 938	{ USB_DEVICE(0x14b2, 0x3c12) },
 939	{ USB_DEVICE(0x14b2, 0x3c23) },
 940	{ USB_DEVICE(0x14b2, 0x3c25) },
 941	{ USB_DEVICE(0x14b2, 0x3c27) },
 942	{ USB_DEVICE(0x14b2, 0x3c28) },
 943	{ USB_DEVICE(0x14b2, 0x3c2c) },
 944	/* Amit */
 945	{ USB_DEVICE(0x15c5, 0x0008) },
 946	/* Askey */
 947	{ USB_DEVICE(0x1690, 0x0740) },
 948	/* ASUS */
 949	{ USB_DEVICE(0x0b05, 0x1731) },
 950	{ USB_DEVICE(0x0b05, 0x1732) },
 951	{ USB_DEVICE(0x0b05, 0x1742) },
 952	{ USB_DEVICE(0x0b05, 0x1784) },
 953	{ USB_DEVICE(0x1761, 0x0b05) },
 954	/* AzureWave */
 955	{ USB_DEVICE(0x13d3, 0x3247) },
 956	{ USB_DEVICE(0x13d3, 0x3273) },
 957	{ USB_DEVICE(0x13d3, 0x3305) },
 958	{ USB_DEVICE(0x13d3, 0x3307) },
 959	{ USB_DEVICE(0x13d3, 0x3321) },
 960	/* Belkin */
 961	{ USB_DEVICE(0x050d, 0x8053) },
 962	{ USB_DEVICE(0x050d, 0x805c) },
 963	{ USB_DEVICE(0x050d, 0x815c) },
 964	{ USB_DEVICE(0x050d, 0x825a) },
 965	{ USB_DEVICE(0x050d, 0x825b) },
 966	{ USB_DEVICE(0x050d, 0x935a) },
 967	{ USB_DEVICE(0x050d, 0x935b) },
 968	/* Buffalo */
 969	{ USB_DEVICE(0x0411, 0x00e8) },
 970	{ USB_DEVICE(0x0411, 0x0158) },
 971	{ USB_DEVICE(0x0411, 0x015d) },
 972	{ USB_DEVICE(0x0411, 0x016f) },
 973	{ USB_DEVICE(0x0411, 0x01a2) },
 974	{ USB_DEVICE(0x0411, 0x01ee) },
 975	{ USB_DEVICE(0x0411, 0x01a8) },
 976	/* Corega */
 977	{ USB_DEVICE(0x07aa, 0x002f) },
 978	{ USB_DEVICE(0x07aa, 0x003c) },
 979	{ USB_DEVICE(0x07aa, 0x003f) },
 980	{ USB_DEVICE(0x18c5, 0x0012) },
 981	/* D-Link */
 982	{ USB_DEVICE(0x07d1, 0x3c09) },
 983	{ USB_DEVICE(0x07d1, 0x3c0a) },
 984	{ USB_DEVICE(0x07d1, 0x3c0d) },
 985	{ USB_DEVICE(0x07d1, 0x3c0e) },
 986	{ USB_DEVICE(0x07d1, 0x3c0f) },
 987	{ USB_DEVICE(0x07d1, 0x3c11) },
 988	{ USB_DEVICE(0x07d1, 0x3c13) },
 989	{ USB_DEVICE(0x07d1, 0x3c15) },
 990	{ USB_DEVICE(0x07d1, 0x3c16) },
 991	{ USB_DEVICE(0x07d1, 0x3c17) },
 992	{ USB_DEVICE(0x2001, 0x3317) },
 993	{ USB_DEVICE(0x2001, 0x3c1b) },
 994	/* Draytek */
 995	{ USB_DEVICE(0x07fa, 0x7712) },
 996	/* DVICO */
 997	{ USB_DEVICE(0x0fe9, 0xb307) },
 998	/* Edimax */
 999	{ USB_DEVICE(0x7392, 0x4085) },
1000	{ USB_DEVICE(0x7392, 0x7711) },
1001	{ USB_DEVICE(0x7392, 0x7717) },
1002	{ USB_DEVICE(0x7392, 0x7718) },
1003	{ USB_DEVICE(0x7392, 0x7722) },
1004	/* Encore */
1005	{ USB_DEVICE(0x203d, 0x1480) },
1006	{ USB_DEVICE(0x203d, 0x14a9) },
1007	/* EnGenius */
1008	{ USB_DEVICE(0x1740, 0x9701) },
1009	{ USB_DEVICE(0x1740, 0x9702) },
1010	{ USB_DEVICE(0x1740, 0x9703) },
1011	{ USB_DEVICE(0x1740, 0x9705) },
1012	{ USB_DEVICE(0x1740, 0x9706) },
1013	{ USB_DEVICE(0x1740, 0x9707) },
1014	{ USB_DEVICE(0x1740, 0x9708) },
1015	{ USB_DEVICE(0x1740, 0x9709) },
1016	/* Gemtek */
1017	{ USB_DEVICE(0x15a9, 0x0012) },
1018	/* Gigabyte */
1019	{ USB_DEVICE(0x1044, 0x800b) },
1020	{ USB_DEVICE(0x1044, 0x800d) },
1021	/* Hawking */
1022	{ USB_DEVICE(0x0e66, 0x0001) },
1023	{ USB_DEVICE(0x0e66, 0x0003) },
1024	{ USB_DEVICE(0x0e66, 0x0009) },
1025	{ USB_DEVICE(0x0e66, 0x000b) },
1026	{ USB_DEVICE(0x0e66, 0x0013) },
1027	{ USB_DEVICE(0x0e66, 0x0017) },
1028	{ USB_DEVICE(0x0e66, 0x0018) },
1029	/* I-O DATA */
1030	{ USB_DEVICE(0x04bb, 0x0945) },
1031	{ USB_DEVICE(0x04bb, 0x0947) },
1032	{ USB_DEVICE(0x04bb, 0x0948) },
1033	/* Linksys */
1034	{ USB_DEVICE(0x13b1, 0x0031) },
1035	{ USB_DEVICE(0x1737, 0x0070) },
1036	{ USB_DEVICE(0x1737, 0x0071) },
1037	{ USB_DEVICE(0x1737, 0x0077) },
1038	{ USB_DEVICE(0x1737, 0x0078) },
1039	/* Logitec */
1040	{ USB_DEVICE(0x0789, 0x0162) },
1041	{ USB_DEVICE(0x0789, 0x0163) },
1042	{ USB_DEVICE(0x0789, 0x0164) },
1043	{ USB_DEVICE(0x0789, 0x0166) },
1044	/* Motorola */
1045	{ USB_DEVICE(0x100d, 0x9031) },
1046	/* MSI */
1047	{ USB_DEVICE(0x0db0, 0x3820) },
1048	{ USB_DEVICE(0x0db0, 0x3821) },
1049	{ USB_DEVICE(0x0db0, 0x3822) },
1050	{ USB_DEVICE(0x0db0, 0x3870) },
1051	{ USB_DEVICE(0x0db0, 0x3871) },
1052	{ USB_DEVICE(0x0db0, 0x6899) },
1053	{ USB_DEVICE(0x0db0, 0x821a) },
1054	{ USB_DEVICE(0x0db0, 0x822a) },
1055	{ USB_DEVICE(0x0db0, 0x822b) },
1056	{ USB_DEVICE(0x0db0, 0x822c) },
1057	{ USB_DEVICE(0x0db0, 0x870a) },
1058	{ USB_DEVICE(0x0db0, 0x871a) },
1059	{ USB_DEVICE(0x0db0, 0x871b) },
1060	{ USB_DEVICE(0x0db0, 0x871c) },
1061	{ USB_DEVICE(0x0db0, 0x899a) },
1062	/* Ovislink */
1063	{ USB_DEVICE(0x1b75, 0x3071) },
1064	{ USB_DEVICE(0x1b75, 0x3072) },
1065	/* Para */
1066	{ USB_DEVICE(0x20b8, 0x8888) },
1067	/* Pegatron */
1068	{ USB_DEVICE(0x1d4d, 0x0002) },
1069	{ USB_DEVICE(0x1d4d, 0x000c) },
1070	{ USB_DEVICE(0x1d4d, 0x000e) },
1071	{ USB_DEVICE(0x1d4d, 0x0011) },
1072	/* Philips */
1073	{ USB_DEVICE(0x0471, 0x200f) },
1074	/* Planex */
1075	{ USB_DEVICE(0x2019, 0x5201) },
1076	{ USB_DEVICE(0x2019, 0xab25) },
1077	{ USB_DEVICE(0x2019, 0xed06) },
1078	/* Quanta */
1079	{ USB_DEVICE(0x1a32, 0x0304) },
1080	/* Ralink */
1081	{ USB_DEVICE(0x148f, 0x2070) },
1082	{ USB_DEVICE(0x148f, 0x2770) },
1083	{ USB_DEVICE(0x148f, 0x2870) },
1084	{ USB_DEVICE(0x148f, 0x3070) },
1085	{ USB_DEVICE(0x148f, 0x3071) },
1086	{ USB_DEVICE(0x148f, 0x3072) },
1087	/* Samsung */
1088	{ USB_DEVICE(0x04e8, 0x2018) },
1089	/* Siemens */
1090	{ USB_DEVICE(0x129b, 0x1828) },
1091	/* Sitecom */
1092	{ USB_DEVICE(0x0df6, 0x0017) },
1093	{ USB_DEVICE(0x0df6, 0x002b) },
1094	{ USB_DEVICE(0x0df6, 0x002c) },
1095	{ USB_DEVICE(0x0df6, 0x002d) },
1096	{ USB_DEVICE(0x0df6, 0x0039) },
1097	{ USB_DEVICE(0x0df6, 0x003b) },
1098	{ USB_DEVICE(0x0df6, 0x003d) },
1099	{ USB_DEVICE(0x0df6, 0x003e) },
1100	{ USB_DEVICE(0x0df6, 0x003f) },
1101	{ USB_DEVICE(0x0df6, 0x0040) },
1102	{ USB_DEVICE(0x0df6, 0x0042) },
1103	{ USB_DEVICE(0x0df6, 0x0047) },
1104	{ USB_DEVICE(0x0df6, 0x0048) },
1105	{ USB_DEVICE(0x0df6, 0x0051) },
1106	{ USB_DEVICE(0x0df6, 0x005f) },
1107	{ USB_DEVICE(0x0df6, 0x0060) },
1108	/* SMC */
1109	{ USB_DEVICE(0x083a, 0x6618) },
1110	{ USB_DEVICE(0x083a, 0x7511) },
1111	{ USB_DEVICE(0x083a, 0x7512) },
1112	{ USB_DEVICE(0x083a, 0x7522) },
1113	{ USB_DEVICE(0x083a, 0x8522) },
1114	{ USB_DEVICE(0x083a, 0xa618) },
1115	{ USB_DEVICE(0x083a, 0xa701) },
1116	{ USB_DEVICE(0x083a, 0xa702) },
1117	{ USB_DEVICE(0x083a, 0xa703) },
1118	{ USB_DEVICE(0x083a, 0xb522) },
1119	/* Sparklan */
1120	{ USB_DEVICE(0x15a9, 0x0006) },
1121	/* Sweex */
1122	{ USB_DEVICE(0x177f, 0x0153) },
1123	{ USB_DEVICE(0x177f, 0x0164) },
1124	{ USB_DEVICE(0x177f, 0x0302) },
1125	{ USB_DEVICE(0x177f, 0x0313) },
1126	{ USB_DEVICE(0x177f, 0x0323) },
1127	{ USB_DEVICE(0x177f, 0x0324) },
1128	/* U-Media */
1129	{ USB_DEVICE(0x157e, 0x300e) },
1130	{ USB_DEVICE(0x157e, 0x3013) },
1131	/* ZCOM */
1132	{ USB_DEVICE(0x0cde, 0x0022) },
1133	{ USB_DEVICE(0x0cde, 0x0025) },
1134	/* Zinwell */
1135	{ USB_DEVICE(0x5a57, 0x0280) },
1136	{ USB_DEVICE(0x5a57, 0x0282) },
1137	{ USB_DEVICE(0x5a57, 0x0283) },
1138	{ USB_DEVICE(0x5a57, 0x5257) },
1139	/* Zyxel */
1140	{ USB_DEVICE(0x0586, 0x3416) },
1141	{ USB_DEVICE(0x0586, 0x3418) },
1142	{ USB_DEVICE(0x0586, 0x341a) },
1143	{ USB_DEVICE(0x0586, 0x341e) },
1144	{ USB_DEVICE(0x0586, 0x343e) },
1145#ifdef CONFIG_RT2800USB_RT33XX
1146	/* Belkin */
1147	{ USB_DEVICE(0x050d, 0x945b) },
1148	/* D-Link */
1149	{ USB_DEVICE(0x2001, 0x3c17) },
1150	/* Panasonic */
1151	{ USB_DEVICE(0x083a, 0xb511) },
1152	/* Philips */
1153	{ USB_DEVICE(0x0471, 0x20dd) },
1154	/* Ralink */
1155	{ USB_DEVICE(0x148f, 0x3370) },
1156	{ USB_DEVICE(0x148f, 0x8070) },
1157	/* Sitecom */
1158	{ USB_DEVICE(0x0df6, 0x0050) },
1159	/* Sweex */
1160	{ USB_DEVICE(0x177f, 0x0163) },
1161	{ USB_DEVICE(0x177f, 0x0165) },
1162#endif
1163#ifdef CONFIG_RT2800USB_RT35XX
1164	/* Allwin */
1165	{ USB_DEVICE(0x8516, 0x3572) },
1166	/* Askey */
1167	{ USB_DEVICE(0x1690, 0x0744) },
1168	{ USB_DEVICE(0x1690, 0x0761) },
1169	{ USB_DEVICE(0x1690, 0x0764) },
1170	/* ASUS */
1171	{ USB_DEVICE(0x0b05, 0x179d) },
1172	/* Cisco */
1173	{ USB_DEVICE(0x167b, 0x4001) },
1174	/* EnGenius */
1175	{ USB_DEVICE(0x1740, 0x9801) },
1176	/* I-O DATA */
1177	{ USB_DEVICE(0x04bb, 0x0944) },
1178	/* Linksys */
1179	{ USB_DEVICE(0x13b1, 0x002f) },
1180	{ USB_DEVICE(0x1737, 0x0079) },
1181	/* Logitec */
1182	{ USB_DEVICE(0x0789, 0x0170) },
1183	/* Ralink */
1184	{ USB_DEVICE(0x148f, 0x3572) },
1185	/* Sitecom */
1186	{ USB_DEVICE(0x0df6, 0x0041) },
1187	{ USB_DEVICE(0x0df6, 0x0062) },
1188	{ USB_DEVICE(0x0df6, 0x0065) },
1189	{ USB_DEVICE(0x0df6, 0x0066) },
1190	{ USB_DEVICE(0x0df6, 0x0068) },
1191	/* Toshiba */
1192	{ USB_DEVICE(0x0930, 0x0a07) },
1193	/* Zinwell */
1194	{ USB_DEVICE(0x5a57, 0x0284) },
1195#endif
1196#ifdef CONFIG_RT2800USB_RT3573
1197	/* AirLive */
1198	{ USB_DEVICE(0x1b75, 0x7733) },
1199	/* ASUS */
1200	{ USB_DEVICE(0x0b05, 0x17bc) },
1201	{ USB_DEVICE(0x0b05, 0x17ad) },
1202	/* Belkin */
1203	{ USB_DEVICE(0x050d, 0x1103) },
1204	/* Cameo */
1205	{ USB_DEVICE(0x148f, 0xf301) },
1206	/* D-Link */
1207	{ USB_DEVICE(0x2001, 0x3c1f) },
1208	/* Edimax */
1209	{ USB_DEVICE(0x7392, 0x7733) },
1210	/* Hawking */
1211	{ USB_DEVICE(0x0e66, 0x0020) },
1212	{ USB_DEVICE(0x0e66, 0x0021) },
1213	/* I-O DATA */
1214	{ USB_DEVICE(0x04bb, 0x094e) },
1215	/* Linksys */
1216	{ USB_DEVICE(0x13b1, 0x003b) },
1217	/* Logitec */
1218	{ USB_DEVICE(0x0789, 0x016b) },
1219	/* NETGEAR */
1220	{ USB_DEVICE(0x0846, 0x9012) },
1221	{ USB_DEVICE(0x0846, 0x9013) },
1222	{ USB_DEVICE(0x0846, 0x9019) },
1223	/* Planex */
1224	{ USB_DEVICE(0x2019, 0xed19) },
1225	/* Ralink */
1226	{ USB_DEVICE(0x148f, 0x3573) },
1227	/* Sitecom */
1228	{ USB_DEVICE(0x0df6, 0x0067) },
1229	{ USB_DEVICE(0x0df6, 0x006a) },
1230	{ USB_DEVICE(0x0df6, 0x006e) },
1231	/* ZyXEL */
1232	{ USB_DEVICE(0x0586, 0x3421) },
1233#endif
1234#ifdef CONFIG_RT2800USB_RT53XX
1235	/* Arcadyan */
1236	{ USB_DEVICE(0x043e, 0x7a12) },
1237	{ USB_DEVICE(0x043e, 0x7a32) },
1238	/* Azurewave */
1239	{ USB_DEVICE(0x13d3, 0x3329) },
1240	{ USB_DEVICE(0x13d3, 0x3365) },
1241	/* D-Link */
1242	{ USB_DEVICE(0x2001, 0x3c15) },
1243	{ USB_DEVICE(0x2001, 0x3c19) },
1244	{ USB_DEVICE(0x2001, 0x3c1c) },
1245	{ USB_DEVICE(0x2001, 0x3c1d) },
1246	{ USB_DEVICE(0x2001, 0x3c1e) },
1247	{ USB_DEVICE(0x2001, 0x3c20) },
1248	{ USB_DEVICE(0x2001, 0x3c22) },
1249	{ USB_DEVICE(0x2001, 0x3c23) },
1250	/* LG innotek */
1251	{ USB_DEVICE(0x043e, 0x7a22) },
1252	{ USB_DEVICE(0x043e, 0x7a42) },
1253	/* Panasonic */
1254	{ USB_DEVICE(0x04da, 0x1801) },
1255	{ USB_DEVICE(0x04da, 0x1800) },
1256	{ USB_DEVICE(0x04da, 0x23f6) },
1257	/* Philips */
1258	{ USB_DEVICE(0x0471, 0x2104) },
1259	{ USB_DEVICE(0x0471, 0x2126) },
1260	{ USB_DEVICE(0x0471, 0x2180) },
1261	{ USB_DEVICE(0x0471, 0x2181) },
1262	{ USB_DEVICE(0x0471, 0x2182) },
1263	/* Ralink */
1264	{ USB_DEVICE(0x148f, 0x5370) },
1265	{ USB_DEVICE(0x148f, 0x5372) },
1266#endif
1267#ifdef CONFIG_RT2800USB_RT55XX
1268	/* Arcadyan */
1269	{ USB_DEVICE(0x043e, 0x7a32) },
1270	/* AVM GmbH */
1271	{ USB_DEVICE(0x057c, 0x8501) },
1272	/* Buffalo */
1273	{ USB_DEVICE(0x0411, 0x0241) },
1274	/* D-Link */
1275	{ USB_DEVICE(0x2001, 0x3c1a) },
1276	{ USB_DEVICE(0x2001, 0x3c21) },
1277	/* Proware */
1278	{ USB_DEVICE(0x043e, 0x7a13) },
1279	/* Ralink */
1280	{ USB_DEVICE(0x148f, 0x5572) },
1281	/* TRENDnet */
1282	{ USB_DEVICE(0x20f4, 0x724a) },
1283#endif
1284#ifdef CONFIG_RT2800USB_UNKNOWN
1285	/*
1286	 * Unclear what kind of devices these are (they aren't supported by the
1287	 * vendor linux driver).
1288	 */
1289	/* Abocom */
1290	{ USB_DEVICE(0x07b8, 0x3073) },
1291	{ USB_DEVICE(0x07b8, 0x3074) },
1292	/* Alpha Networks */
1293	{ USB_DEVICE(0x14b2, 0x3c08) },
1294	{ USB_DEVICE(0x14b2, 0x3c11) },
1295	/* Amigo */
1296	{ USB_DEVICE(0x0e0b, 0x9031) },
1297	{ USB_DEVICE(0x0e0b, 0x9041) },
1298	/* ASUS */
1299	{ USB_DEVICE(0x0b05, 0x166a) },
1300	{ USB_DEVICE(0x0b05, 0x1760) },
1301	{ USB_DEVICE(0x0b05, 0x1761) },
1302	{ USB_DEVICE(0x0b05, 0x1790) },
1303	{ USB_DEVICE(0x0b05, 0x17a7) },
1304	/* AzureWave */
1305	{ USB_DEVICE(0x13d3, 0x3262) },
1306	{ USB_DEVICE(0x13d3, 0x3284) },
1307	{ USB_DEVICE(0x13d3, 0x3322) },
1308	{ USB_DEVICE(0x13d3, 0x3340) },
1309	{ USB_DEVICE(0x13d3, 0x3399) },
1310	{ USB_DEVICE(0x13d3, 0x3400) },
1311	{ USB_DEVICE(0x13d3, 0x3401) },
1312	/* Belkin */
1313	{ USB_DEVICE(0x050d, 0x1003) },
1314	/* Buffalo */
1315	{ USB_DEVICE(0x0411, 0x012e) },
1316	{ USB_DEVICE(0x0411, 0x0148) },
1317	{ USB_DEVICE(0x0411, 0x0150) },
1318	/* Corega */
1319	{ USB_DEVICE(0x07aa, 0x0041) },
1320	{ USB_DEVICE(0x07aa, 0x0042) },
1321	{ USB_DEVICE(0x18c5, 0x0008) },
1322	/* D-Link */
1323	{ USB_DEVICE(0x07d1, 0x3c0b) },
1324	/* Encore */
1325	{ USB_DEVICE(0x203d, 0x14a1) },
1326	/* EnGenius */
1327	{ USB_DEVICE(0x1740, 0x0600) },
1328	{ USB_DEVICE(0x1740, 0x0602) },
1329	/* Gemtek */
1330	{ USB_DEVICE(0x15a9, 0x0010) },
1331	/* Gigabyte */
1332	{ USB_DEVICE(0x1044, 0x800c) },
1333	/* Hercules */
1334	{ USB_DEVICE(0x06f8, 0xe036) },
1335	/* Huawei */
1336	{ USB_DEVICE(0x148f, 0xf101) },
1337	/* I-O DATA */
1338	{ USB_DEVICE(0x04bb, 0x094b) },
1339	/* LevelOne */
1340	{ USB_DEVICE(0x1740, 0x0605) },
1341	{ USB_DEVICE(0x1740, 0x0615) },
1342	/* Logitec */
1343	{ USB_DEVICE(0x0789, 0x0168) },
1344	{ USB_DEVICE(0x0789, 0x0169) },
1345	/* Motorola */
1346	{ USB_DEVICE(0x100d, 0x9032) },
1347	/* Pegatron */
1348	{ USB_DEVICE(0x05a6, 0x0101) },
1349	{ USB_DEVICE(0x1d4d, 0x0010) },
1350	/* Planex */
1351	{ USB_DEVICE(0x2019, 0xab24) },
1352	{ USB_DEVICE(0x2019, 0xab29) },
1353	/* Qcom */
1354	{ USB_DEVICE(0x18e8, 0x6259) },
1355	/* RadioShack */
1356	{ USB_DEVICE(0x08b9, 0x1197) },
1357	/* Sitecom */
1358	{ USB_DEVICE(0x0df6, 0x003c) },
1359	{ USB_DEVICE(0x0df6, 0x004a) },
1360	{ USB_DEVICE(0x0df6, 0x004d) },
1361	{ USB_DEVICE(0x0df6, 0x0053) },
1362	{ USB_DEVICE(0x0df6, 0x0069) },
1363	{ USB_DEVICE(0x0df6, 0x006f) },
1364	/* SMC */
1365	{ USB_DEVICE(0x083a, 0xa512) },
1366	{ USB_DEVICE(0x083a, 0xc522) },
1367	{ USB_DEVICE(0x083a, 0xd522) },
1368	{ USB_DEVICE(0x083a, 0xf511) },
1369	/* Sweex */
1370	{ USB_DEVICE(0x177f, 0x0254) },
1371	/* TP-LINK */
1372	{ USB_DEVICE(0xf201, 0x5370) },
1373#endif
1374	{ 0, }
1375};
1376
1377MODULE_AUTHOR(DRV_PROJECT);
1378MODULE_VERSION(DRV_VERSION);
1379MODULE_DESCRIPTION("Ralink RT2800 USB Wireless LAN driver.");
1380MODULE_SUPPORTED_DEVICE("Ralink RT2870 USB chipset based cards");
1381MODULE_DEVICE_TABLE(usb, rt2800usb_device_table);
1382MODULE_FIRMWARE(FIRMWARE_RT2870);
1383MODULE_LICENSE("GPL");
1384
1385static int rt2800usb_probe(struct usb_interface *usb_intf,
1386			   const struct usb_device_id *id)
1387{
1388	return rt2x00usb_probe(usb_intf, &rt2800usb_ops);
1389}
1390
1391static struct usb_driver rt2800usb_driver = {
1392	.name		= KBUILD_MODNAME,
1393	.id_table	= rt2800usb_device_table,
1394	.probe		= rt2800usb_probe,
1395	.disconnect	= rt2x00usb_disconnect,
1396	.suspend	= rt2x00usb_suspend,
1397	.resume		= rt2x00usb_resume,
1398	.reset_resume	= rt2x00usb_resume,
1399	.disable_hub_initiated_lpm = 1,
1400};
1401
1402module_usb_driver(rt2800usb_driver);