git.oblomov.eu Git - linux-2.6/blob - drivers/net/wireless/rt2x00/rt2500usb.c

   1 /*
   2         Copyright (C) 2004 - 2008 rt2x00 SourceForge Project
   3         <http://rt2x00.serialmonkey.com>
   4
   5         This program is free software; you can redistribute it and/or modify
   6         it under the terms of the GNU General Public License as published by
   7         the Free Software Foundation; either version 2 of the License, or
   8         (at your option) any later version.
   9
  10         This program is distributed in the hope that it will be useful,
  11         but WITHOUT ANY WARRANTY; without even the implied warranty of
  12         MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13         GNU General Public License for more details.
  14
  15         You should have received a copy of the GNU General Public License
  16         along with this program; if not, write to the
  17         Free Software Foundation, Inc.,
  18         59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  19  */
  20
  21 /*
  22         Module: rt2500usb
  23         Abstract: rt2500usb device specific routines.
  24         Supported chipsets: RT2570.
  25  */
  26
  27 #include <linux/delay.h>
  28 #include <linux/etherdevice.h>
  29 #include <linux/init.h>
  30 #include <linux/kernel.h>
  31 #include <linux/module.h>
  32 #include <linux/usb.h>
  33
  34 #include "rt2x00.h"
  35 #include "rt2x00usb.h"
  36 #include "rt2500usb.h"
  37
  38 /*
  39  * Register access.
  40  * All access to the CSR registers will go through the methods
  41  * rt2500usb_register_read and rt2500usb_register_write.
  42  * BBP and RF register require indirect register access,
  43  * and use the CSR registers BBPCSR and RFCSR to achieve this.
  44  * These indirect registers work with busy bits,
  45  * and we will try maximal REGISTER_BUSY_COUNT times to access
  46  * the register while taking a REGISTER_BUSY_DELAY us delay
  47  * between each attampt. When the busy bit is still set at that time,
  48  * the access attempt is considered to have failed,
  49  * and we will print an error.
  50  * If the usb_cache_mutex is already held then the _lock variants must
  51  * be used instead.
  52  */
  53 static inline void rt2500usb_register_read(struct rt2x00_dev *rt2x00dev,
  54                                            const unsigned int offset,
  55                                            u16 *value)
  56 {
  57         __le16 reg;
  58         rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ,
  59                                       USB_VENDOR_REQUEST_IN, offset,
  60                                       &reg, sizeof(u16), REGISTER_TIMEOUT);
  61         *value = le16_to_cpu(reg);
  62 }
  63
  64 static inline void rt2500usb_register_read_lock(struct rt2x00_dev *rt2x00dev,
  65                                                 const unsigned int offset,
  66                                                 u16 *value)
  67 {
  68         __le16 reg;
  69         rt2x00usb_vendor_req_buff_lock(rt2x00dev, USB_MULTI_READ,
  70                                        USB_VENDOR_REQUEST_IN, offset,
  71                                        &reg, sizeof(u16), REGISTER_TIMEOUT);
  72         *value = le16_to_cpu(reg);
  73 }
  74
  75 static inline void rt2500usb_register_multiread(struct rt2x00_dev *rt2x00dev,
  76                                                 const unsigned int offset,
  77                                                 void *value, const u16 length)
  78 {
  79         int timeout = REGISTER_TIMEOUT * (length / sizeof(u16));
  80         rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ,
  81                                       USB_VENDOR_REQUEST_IN, offset,
  82                                       value, length, timeout);
  83 }
  84
  85 static inline void rt2500usb_register_write(struct rt2x00_dev *rt2x00dev,
  86                                             const unsigned int offset,
  87                                             u16 value)
  88 {
  89         __le16 reg = cpu_to_le16(value);
  90         rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE,
  91                                       USB_VENDOR_REQUEST_OUT, offset,
  92                                       &reg, sizeof(u16), REGISTER_TIMEOUT);
  93 }
  94
  95 static inline void rt2500usb_register_write_lock(struct rt2x00_dev *rt2x00dev,
  96                                                  const unsigned int offset,
  97                                                  u16 value)
  98 {
  99         __le16 reg = cpu_to_le16(value);
 100         rt2x00usb_vendor_req_buff_lock(rt2x00dev, USB_MULTI_WRITE,
 101                                        USB_VENDOR_REQUEST_OUT, offset,
 102                                        &reg, sizeof(u16), REGISTER_TIMEOUT);
 103 }
 104
 105 static inline void rt2500usb_register_multiwrite(struct rt2x00_dev *rt2x00dev,
 106                                                  const unsigned int offset,
 107                                                  void *value, const u16 length)
 108 {
 109         int timeout = REGISTER_TIMEOUT * (length / sizeof(u16));
 110         rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE,
 111                                       USB_VENDOR_REQUEST_OUT, offset,
 112                                       value, length, timeout);
 113 }
 114
 115 static u16 rt2500usb_bbp_check(struct rt2x00_dev *rt2x00dev)
 116 {
 117         u16 reg;
 118         unsigned int i;
 119
 120         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
 121                 rt2500usb_register_read_lock(rt2x00dev, PHY_CSR8, &reg);
 122                 if (!rt2x00_get_field16(reg, PHY_CSR8_BUSY))
 123                         break;
 124                 udelay(REGISTER_BUSY_DELAY);
 125         }
 126
 127         return reg;
 128 }
 129
 130 static void rt2500usb_bbp_write(struct rt2x00_dev *rt2x00dev,
 131                                 const unsigned int word, const u8 value)
 132 {
 133         u16 reg;
 134
 135         mutex_lock(&rt2x00dev->usb_cache_mutex);
 136
 137         /*
 138          * Wait until the BBP becomes ready.
 139          */
 140         reg = rt2500usb_bbp_check(rt2x00dev);
 141         if (rt2x00_get_field16(reg, PHY_CSR8_BUSY)) {
 142                 ERROR(rt2x00dev, "PHY_CSR8 register busy. Write failed.\n");
 143                 mutex_unlock(&rt2x00dev->usb_cache_mutex);
 144                 return;
 145         }
 146
 147         /*
 148          * Write the data into the BBP.
 149          */
 150         reg = 0;
 151         rt2x00_set_field16(&reg, PHY_CSR7_DATA, value);
 152         rt2x00_set_field16(&reg, PHY_CSR7_REG_ID, word);
 153         rt2x00_set_field16(&reg, PHY_CSR7_READ_CONTROL, 0);
 154
 155         rt2500usb_register_write_lock(rt2x00dev, PHY_CSR7, reg);
 156
 157         mutex_unlock(&rt2x00dev->usb_cache_mutex);
 158 }
 159
 160 static void rt2500usb_bbp_read(struct rt2x00_dev *rt2x00dev,
 161                                const unsigned int word, u8 *value)
 162 {
 163         u16 reg;
 164
 165         mutex_lock(&rt2x00dev->usb_cache_mutex);
 166
 167         /*
 168          * Wait until the BBP becomes ready.
 169          */
 170         reg = rt2500usb_bbp_check(rt2x00dev);
 171         if (rt2x00_get_field16(reg, PHY_CSR8_BUSY)) {
 172                 ERROR(rt2x00dev, "PHY_CSR8 register busy. Read failed.\n");
 173                 return;
 174         }
 175
 176         /*
 177          * Write the request into the BBP.
 178          */
 179         reg = 0;
 180         rt2x00_set_field16(&reg, PHY_CSR7_REG_ID, word);
 181         rt2x00_set_field16(&reg, PHY_CSR7_READ_CONTROL, 1);
 182
 183         rt2500usb_register_write_lock(rt2x00dev, PHY_CSR7, reg);
 184
 185         /*
 186          * Wait until the BBP becomes ready.
 187          */
 188         reg = rt2500usb_bbp_check(rt2x00dev);
 189         if (rt2x00_get_field16(reg, PHY_CSR8_BUSY)) {
 190                 ERROR(rt2x00dev, "PHY_CSR8 register busy. Read failed.\n");
 191                 *value = 0xff;
 192                 mutex_unlock(&rt2x00dev->usb_cache_mutex);
 193                 return;
 194         }
 195
 196         rt2500usb_register_read_lock(rt2x00dev, PHY_CSR7, &reg);
 197         *value = rt2x00_get_field16(reg, PHY_CSR7_DATA);
 198
 199         mutex_unlock(&rt2x00dev->usb_cache_mutex);
 200 }
 201
 202 static void rt2500usb_rf_write(struct rt2x00_dev *rt2x00dev,
 203                                const unsigned int word, const u32 value)
 204 {
 205         u16 reg;
 206         unsigned int i;
 207
 208         if (!word)
 209                 return;
 210
 211         mutex_lock(&rt2x00dev->usb_cache_mutex);
 212
 213         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
 214                 rt2500usb_register_read_lock(rt2x00dev, PHY_CSR10, &reg);
 215                 if (!rt2x00_get_field16(reg, PHY_CSR10_RF_BUSY))
 216                         goto rf_write;
 217                 udelay(REGISTER_BUSY_DELAY);
 218         }
 219
 220         mutex_unlock(&rt2x00dev->usb_cache_mutex);
 221         ERROR(rt2x00dev, "PHY_CSR10 register busy. Write failed.\n");
 222         return;
 223
 224 rf_write:
 225         reg = 0;
 226         rt2x00_set_field16(&reg, PHY_CSR9_RF_VALUE, value);
 227         rt2500usb_register_write_lock(rt2x00dev, PHY_CSR9, reg);
 228
 229         reg = 0;
 230         rt2x00_set_field16(&reg, PHY_CSR10_RF_VALUE, value >> 16);
 231         rt2x00_set_field16(&reg, PHY_CSR10_RF_NUMBER_OF_BITS, 20);
 232         rt2x00_set_field16(&reg, PHY_CSR10_RF_IF_SELECT, 0);
 233         rt2x00_set_field16(&reg, PHY_CSR10_RF_BUSY, 1);
 234
 235         rt2500usb_register_write_lock(rt2x00dev, PHY_CSR10, reg);
 236         rt2x00_rf_write(rt2x00dev, word, value);
 237
 238         mutex_unlock(&rt2x00dev->usb_cache_mutex);
 239 }
 240
 241 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
 242 #define CSR_OFFSET(__word)      ( CSR_REG_BASE + ((__word) * sizeof(u16)) )
 243
 244 static void rt2500usb_read_csr(struct rt2x00_dev *rt2x00dev,
 245                                const unsigned int word, u32 *data)
 246 {
 247         rt2500usb_register_read(rt2x00dev, CSR_OFFSET(word), (u16 *) data);
 248 }
 249
 250 static void rt2500usb_write_csr(struct rt2x00_dev *rt2x00dev,
 251                                 const unsigned int word, u32 data)
 252 {
 253         rt2500usb_register_write(rt2x00dev, CSR_OFFSET(word), data);
 254 }
 255
 256 static const struct rt2x00debug rt2500usb_rt2x00debug = {
 257         .owner  = THIS_MODULE,
 258         .csr    = {
 259                 .read           = rt2500usb_read_csr,
 260                 .write          = rt2500usb_write_csr,
 261                 .word_size      = sizeof(u16),
 262                 .word_count     = CSR_REG_SIZE / sizeof(u16),
 263         },
 264         .eeprom = {
 265                 .read           = rt2x00_eeprom_read,
 266                 .write          = rt2x00_eeprom_write,
 267                 .word_size      = sizeof(u16),
 268                 .word_count     = EEPROM_SIZE / sizeof(u16),
 269         },
 270         .bbp    = {
 271                 .read           = rt2500usb_bbp_read,
 272                 .write          = rt2500usb_bbp_write,
 273                 .word_size      = sizeof(u8),
 274                 .word_count     = BBP_SIZE / sizeof(u8),
 275         },
 276         .rf     = {
 277                 .read           = rt2x00_rf_read,
 278                 .write          = rt2500usb_rf_write,
 279                 .word_size      = sizeof(u32),
 280                 .word_count     = RF_SIZE / sizeof(u32),
 281         },
 282 };
 283 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
 284
 285 #ifdef CONFIG_RT2500USB_LEDS
 286 static void rt2500usb_brightness_set(struct led_classdev *led_cdev,
 287                                      enum led_brightness brightness)
 288 {
 289         struct rt2x00_led *led =
 290             container_of(led_cdev, struct rt2x00_led, led_dev);
 291         unsigned int enabled = brightness != LED_OFF;
 292         u16 reg;
 293
 294         rt2500usb_register_read(led->rt2x00dev, MAC_CSR20, &reg);
 295
 296         if (led->type == LED_TYPE_RADIO || led->type == LED_TYPE_ASSOC)
 297                 rt2x00_set_field16(&reg, MAC_CSR20_LINK, enabled);
 298         else if (led->type == LED_TYPE_ACTIVITY)
 299                 rt2x00_set_field16(&reg, MAC_CSR20_ACTIVITY, enabled);
 300
 301         rt2500usb_register_write(led->rt2x00dev, MAC_CSR20, reg);
 302 }
 303
 304 static int rt2500usb_blink_set(struct led_classdev *led_cdev,
 305                                unsigned long *delay_on,
 306                                unsigned long *delay_off)
 307 {
 308         struct rt2x00_led *led =
 309             container_of(led_cdev, struct rt2x00_led, led_dev);
 310         u16 reg;
 311
 312         rt2500usb_register_read(led->rt2x00dev, MAC_CSR21, &reg);
 313         rt2x00_set_field16(&reg, MAC_CSR21_ON_PERIOD, *delay_on);
 314         rt2x00_set_field16(&reg, MAC_CSR21_OFF_PERIOD, *delay_off);
 315         rt2500usb_register_write(led->rt2x00dev, MAC_CSR21, reg);
 316
 317         return 0;
 318 }
 319 #endif /* CONFIG_RT2500USB_LEDS */
 320
 321 /*
 322  * Configuration handlers.
 323  */
 324 static void rt2500usb_config_filter(struct rt2x00_dev *rt2x00dev,
 325                                     const unsigned int filter_flags)
 326 {
 327         u16 reg;
 328
 329         /*
 330          * Start configuration steps.
 331          * Note that the version error will always be dropped
 332          * and broadcast frames will always be accepted since
 333          * there is no filter for it at this time.
 334          */
 335         rt2500usb_register_read(rt2x00dev, TXRX_CSR2, &reg);
 336         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_CRC,
 337                            !(filter_flags & FIF_FCSFAIL));
 338         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_PHYSICAL,
 339                            !(filter_flags & FIF_PLCPFAIL));
 340         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_CONTROL,
 341                            !(filter_flags & FIF_CONTROL));
 342         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_NOT_TO_ME,
 343                            !(filter_flags & FIF_PROMISC_IN_BSS));
 344         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_TODS,
 345                            !(filter_flags & FIF_PROMISC_IN_BSS) &&
 346                            !rt2x00dev->intf_ap_count);
 347         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_VERSION_ERROR, 1);
 348         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_MULTICAST,
 349                            !(filter_flags & FIF_ALLMULTI));
 350         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_BROADCAST, 0);
 351         rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg);
 352 }
 353
 354 static void rt2500usb_config_intf(struct rt2x00_dev *rt2x00dev,
 355                                   struct rt2x00_intf *intf,
 356                                   struct rt2x00intf_conf *conf,
 357                                   const unsigned int flags)
 358 {
 359         unsigned int bcn_preload;
 360         u16 reg;
 361
 362         if (flags & CONFIG_UPDATE_TYPE) {
 363                 /*
 364                  * Enable beacon config
 365                  */
 366                 bcn_preload = PREAMBLE + get_duration(IEEE80211_HEADER, 20);
 367                 rt2500usb_register_read(rt2x00dev, TXRX_CSR20, &reg);
 368                 rt2x00_set_field16(&reg, TXRX_CSR20_OFFSET, bcn_preload >> 6);
 369                 rt2x00_set_field16(&reg, TXRX_CSR20_BCN_EXPECT_WINDOW,
 370                                    2 * (conf->type != IEEE80211_IF_TYPE_STA));
 371                 rt2500usb_register_write(rt2x00dev, TXRX_CSR20, reg);
 372
 373                 /*
 374                  * Enable synchronisation.
 375                  */
 376                 rt2500usb_register_read(rt2x00dev, TXRX_CSR18, &reg);
 377                 rt2x00_set_field16(&reg, TXRX_CSR18_OFFSET, 0);
 378                 rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg);
 379
 380                 rt2500usb_register_read(rt2x00dev, TXRX_CSR19, &reg);
 381                 rt2x00_set_field16(&reg, TXRX_CSR19_TSF_COUNT, 1);
 382                 rt2x00_set_field16(&reg, TXRX_CSR19_TSF_SYNC, conf->sync);
 383                 rt2x00_set_field16(&reg, TXRX_CSR19_TBCN, 1);
 384                 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
 385         }
 386
 387         if (flags & CONFIG_UPDATE_MAC)
 388                 rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR2, conf->mac,
 389                                               (3 * sizeof(__le16)));
 390
 391         if (flags & CONFIG_UPDATE_BSSID)
 392                 rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR5, conf->bssid,
 393                                               (3 * sizeof(__le16)));
 394 }
 395
 396 static void rt2500usb_config_erp(struct rt2x00_dev *rt2x00dev,
 397                                  struct rt2x00lib_erp *erp)
 398 {
 399         u16 reg;
 400
 401         rt2500usb_register_read(rt2x00dev, TXRX_CSR1, &reg);
 402         rt2x00_set_field16(&reg, TXRX_CSR1_ACK_TIMEOUT, erp->ack_timeout);
 403         rt2500usb_register_write(rt2x00dev, TXRX_CSR1, reg);
 404
 405         rt2500usb_register_read(rt2x00dev, TXRX_CSR10, &reg);
 406         rt2x00_set_field16(&reg, TXRX_CSR10_AUTORESPOND_PREAMBLE,
 407                            !!erp->short_preamble);
 408         rt2500usb_register_write(rt2x00dev, TXRX_CSR10, reg);
 409 }
 410
 411 static void rt2500usb_config_phymode(struct rt2x00_dev *rt2x00dev,
 412                                      const int basic_rate_mask)
 413 {
 414         rt2500usb_register_write(rt2x00dev, TXRX_CSR11, basic_rate_mask);
 415 }
 416
 417 static void rt2500usb_config_channel(struct rt2x00_dev *rt2x00dev,
 418                                      struct rf_channel *rf, const int txpower)
 419 {
 420         /*
 421          * Set TXpower.
 422          */
 423         rt2x00_set_field32(&rf->rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
 424
 425         /*
 426          * For RT2525E we should first set the channel to half band higher.
 427          */
 428         if (rt2x00_rf(&rt2x00dev->chip, RF2525E)) {
 429                 static const u32 vals[] = {
 430                         0x000008aa, 0x000008ae, 0x000008ae, 0x000008b2,
 431                         0x000008b2, 0x000008b6, 0x000008b6, 0x000008ba,
 432                         0x000008ba, 0x000008be, 0x000008b7, 0x00000902,
 433                         0x00000902, 0x00000906
 434                 };
 435
 436                 rt2500usb_rf_write(rt2x00dev, 2, vals[rf->channel - 1]);
 437                 if (rf->rf4)
 438                         rt2500usb_rf_write(rt2x00dev, 4, rf->rf4);
 439         }
 440
 441         rt2500usb_rf_write(rt2x00dev, 1, rf->rf1);
 442         rt2500usb_rf_write(rt2x00dev, 2, rf->rf2);
 443         rt2500usb_rf_write(rt2x00dev, 3, rf->rf3);
 444         if (rf->rf4)
 445                 rt2500usb_rf_write(rt2x00dev, 4, rf->rf4);
 446 }
 447
 448 static void rt2500usb_config_txpower(struct rt2x00_dev *rt2x00dev,
 449                                      const int txpower)
 450 {
 451         u32 rf3;
 452
 453         rt2x00_rf_read(rt2x00dev, 3, &rf3);
 454         rt2x00_set_field32(&rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
 455         rt2500usb_rf_write(rt2x00dev, 3, rf3);
 456 }
 457
 458 static void rt2500usb_config_antenna(struct rt2x00_dev *rt2x00dev,
 459                                      struct antenna_setup *ant)
 460 {
 461         u8 r2;
 462         u8 r14;
 463         u16 csr5;
 464         u16 csr6;
 465
 466         /*
 467          * We should never come here because rt2x00lib is supposed
 468          * to catch this and send us the correct antenna explicitely.
 469          */
 470         BUG_ON(ant->rx == ANTENNA_SW_DIVERSITY ||
 471                ant->tx == ANTENNA_SW_DIVERSITY);
 472
 473         rt2500usb_bbp_read(rt2x00dev, 2, &r2);
 474         rt2500usb_bbp_read(rt2x00dev, 14, &r14);
 475         rt2500usb_register_read(rt2x00dev, PHY_CSR5, &csr5);
 476         rt2500usb_register_read(rt2x00dev, PHY_CSR6, &csr6);
 477
 478         /*
 479          * Configure the TX antenna.
 480          */
 481         switch (ant->tx) {
 482         case ANTENNA_HW_DIVERSITY:
 483                 rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 1);
 484                 rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 1);
 485                 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 1);
 486                 break;
 487         case ANTENNA_A:
 488                 rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 0);
 489                 rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 0);
 490                 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 0);
 491                 break;
 492         case ANTENNA_B:
 493         default:
 494                 rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 2);
 495                 rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 2);
 496                 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 2);
 497                 break;
 498         }
 499
 500         /*
 501          * Configure the RX antenna.
 502          */
 503         switch (ant->rx) {
 504         case ANTENNA_HW_DIVERSITY:
 505                 rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 1);
 506                 break;
 507         case ANTENNA_A:
 508                 rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 0);
 509                 break;
 510         case ANTENNA_B:
 511         default:
 512                 rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 2);
 513                 break;
 514         }
 515
 516         /*
 517          * RT2525E and RT5222 need to flip TX I/Q
 518          */
 519         if (rt2x00_rf(&rt2x00dev->chip, RF2525E) ||
 520             rt2x00_rf(&rt2x00dev->chip, RF5222)) {
 521                 rt2x00_set_field8(&r2, BBP_R2_TX_IQ_FLIP, 1);
 522                 rt2x00_set_field16(&csr5, PHY_CSR5_CCK_FLIP, 1);
 523                 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM_FLIP, 1);
 524
 525                 /*
 526                  * RT2525E does not need RX I/Q Flip.
 527                  */
 528                 if (rt2x00_rf(&rt2x00dev->chip, RF2525E))
 529                         rt2x00_set_field8(&r14, BBP_R14_RX_IQ_FLIP, 0);
 530         } else {
 531                 rt2x00_set_field16(&csr5, PHY_CSR5_CCK_FLIP, 0);
 532                 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM_FLIP, 0);
 533         }
 534
 535         rt2500usb_bbp_write(rt2x00dev, 2, r2);
 536         rt2500usb_bbp_write(rt2x00dev, 14, r14);
 537         rt2500usb_register_write(rt2x00dev, PHY_CSR5, csr5);
 538         rt2500usb_register_write(rt2x00dev, PHY_CSR6, csr6);
 539 }
 540
 541 static void rt2500usb_config_duration(struct rt2x00_dev *rt2x00dev,
 542                                       struct rt2x00lib_conf *libconf)
 543 {
 544         u16 reg;
 545
 546         rt2500usb_register_write(rt2x00dev, MAC_CSR10, libconf->slot_time);
 547         rt2500usb_register_write(rt2x00dev, MAC_CSR11, libconf->sifs);
 548         rt2500usb_register_write(rt2x00dev, MAC_CSR12, libconf->eifs);
 549
 550         rt2500usb_register_read(rt2x00dev, TXRX_CSR18, &reg);
 551         rt2x00_set_field16(&reg, TXRX_CSR18_INTERVAL,
 552                            libconf->conf->beacon_int * 4);
 553         rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg);
 554 }
 555
 556 static void rt2500usb_config(struct rt2x00_dev *rt2x00dev,
 557                              struct rt2x00lib_conf *libconf,
 558                              const unsigned int flags)
 559 {
 560         if (flags & CONFIG_UPDATE_PHYMODE)
 561                 rt2500usb_config_phymode(rt2x00dev, libconf->basic_rates);
 562         if (flags & CONFIG_UPDATE_CHANNEL)
 563                 rt2500usb_config_channel(rt2x00dev, &libconf->rf,
 564                                          libconf->conf->power_level);
 565         if ((flags & CONFIG_UPDATE_TXPOWER) && !(flags & CONFIG_UPDATE_CHANNEL))
 566                 rt2500usb_config_txpower(rt2x00dev,
 567                                          libconf->conf->power_level);
 568         if (flags & CONFIG_UPDATE_ANTENNA)
 569                 rt2500usb_config_antenna(rt2x00dev, &libconf->ant);
 570         if (flags & (CONFIG_UPDATE_SLOT_TIME | CONFIG_UPDATE_BEACON_INT))
 571                 rt2500usb_config_duration(rt2x00dev, libconf);
 572 }
 573
 574 /*
 575  * Link tuning
 576  */
 577 static void rt2500usb_link_stats(struct rt2x00_dev *rt2x00dev,
 578                                  struct link_qual *qual)
 579 {
 580         u16 reg;
 581
 582         /*
 583          * Update FCS error count from register.
 584          */
 585         rt2500usb_register_read(rt2x00dev, STA_CSR0, &reg);
 586         qual->rx_failed = rt2x00_get_field16(reg, STA_CSR0_FCS_ERROR);
 587
 588         /*
 589          * Update False CCA count from register.
 590          */
 591         rt2500usb_register_read(rt2x00dev, STA_CSR3, &reg);
 592         qual->false_cca = rt2x00_get_field16(reg, STA_CSR3_FALSE_CCA_ERROR);
 593 }
 594
 595 static void rt2500usb_reset_tuner(struct rt2x00_dev *rt2x00dev)
 596 {
 597         u16 eeprom;
 598         u16 value;
 599
 600         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &eeprom);
 601         value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R24_LOW);
 602         rt2500usb_bbp_write(rt2x00dev, 24, value);
 603
 604         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &eeprom);
 605         value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R25_LOW);
 606         rt2500usb_bbp_write(rt2x00dev, 25, value);
 607
 608         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &eeprom);
 609         value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R61_LOW);
 610         rt2500usb_bbp_write(rt2x00dev, 61, value);
 611
 612         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &eeprom);
 613         value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_VGCUPPER);
 614         rt2500usb_bbp_write(rt2x00dev, 17, value);
 615
 616         rt2x00dev->link.vgc_level = value;
 617 }
 618
 619 static void rt2500usb_link_tuner(struct rt2x00_dev *rt2x00dev)
 620 {
 621         int rssi = rt2x00_get_link_rssi(&rt2x00dev->link);
 622         u16 bbp_thresh;
 623         u16 vgc_bound;
 624         u16 sens;
 625         u16 r24;
 626         u16 r25;
 627         u16 r61;
 628         u16 r17_sens;
 629         u8 r17;
 630         u8 up_bound;
 631         u8 low_bound;
 632
 633         /*
 634          * Read current r17 value, as well as the sensitivity values
 635          * for the r17 register.
 636          */
 637         rt2500usb_bbp_read(rt2x00dev, 17, &r17);
 638         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R17, &r17_sens);
 639
 640         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &vgc_bound);
 641         up_bound = rt2x00_get_field16(vgc_bound, EEPROM_BBPTUNE_VGCUPPER);
 642         low_bound = rt2x00_get_field16(vgc_bound, EEPROM_BBPTUNE_VGCLOWER);
 643
 644         /*
 645          * If we are not associated, we should go straight to the
 646          * dynamic CCA tuning.
 647          */
 648         if (!rt2x00dev->intf_associated)
 649                 goto dynamic_cca_tune;
 650
 651         /*
 652          * Determine the BBP tuning threshold and correctly
 653          * set BBP 24, 25 and 61.
 654          */
 655         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE, &bbp_thresh);
 656         bbp_thresh = rt2x00_get_field16(bbp_thresh, EEPROM_BBPTUNE_THRESHOLD);
 657
 658         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &r24);
 659         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &r25);
 660         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &r61);
 661
 662         if ((rssi + bbp_thresh) > 0) {
 663                 r24 = rt2x00_get_field16(r24, EEPROM_BBPTUNE_R24_HIGH);
 664                 r25 = rt2x00_get_field16(r25, EEPROM_BBPTUNE_R25_HIGH);
 665                 r61 = rt2x00_get_field16(r61, EEPROM_BBPTUNE_R61_HIGH);
 666         } else {
 667                 r24 = rt2x00_get_field16(r24, EEPROM_BBPTUNE_R24_LOW);
 668                 r25 = rt2x00_get_field16(r25, EEPROM_BBPTUNE_R25_LOW);
 669                 r61 = rt2x00_get_field16(r61, EEPROM_BBPTUNE_R61_LOW);
 670         }
 671
 672         rt2500usb_bbp_write(rt2x00dev, 24, r24);
 673         rt2500usb_bbp_write(rt2x00dev, 25, r25);
 674         rt2500usb_bbp_write(rt2x00dev, 61, r61);
 675
 676         /*
 677          * A too low RSSI will cause too much false CCA which will
 678          * then corrupt the R17 tuning. To remidy this the tuning should
 679          * be stopped (While making sure the R17 value will not exceed limits)
 680          */
 681         if (rssi >= -40) {
 682                 if (r17 != 0x60)
 683                         rt2500usb_bbp_write(rt2x00dev, 17, 0x60);
 684                 return;
 685         }
 686
 687         /*
 688          * Special big-R17 for short distance
 689          */
 690         if (rssi >= -58) {
 691                 sens = rt2x00_get_field16(r17_sens, EEPROM_BBPTUNE_R17_LOW);
 692                 if (r17 != sens)
 693                         rt2500usb_bbp_write(rt2x00dev, 17, sens);
 694                 return;
 695         }
 696
 697         /*
 698          * Special mid-R17 for middle distance
 699          */
 700         if (rssi >= -74) {
 701                 sens = rt2x00_get_field16(r17_sens, EEPROM_BBPTUNE_R17_HIGH);
 702                 if (r17 != sens)
 703                         rt2500usb_bbp_write(rt2x00dev, 17, sens);
 704                 return;
 705         }
 706
 707         /*
 708          * Leave short or middle distance condition, restore r17
 709          * to the dynamic tuning range.
 710          */
 711         low_bound = 0x32;
 712         if (rssi < -77)
 713                 up_bound -= (-77 - rssi);
 714
 715         if (up_bound < low_bound)
 716                 up_bound = low_bound;
 717
 718         if (r17 > up_bound) {
 719                 rt2500usb_bbp_write(rt2x00dev, 17, up_bound);
 720                 rt2x00dev->link.vgc_level = up_bound;
 721                 return;
 722         }
 723
 724 dynamic_cca_tune:
 725
 726         /*
 727          * R17 is inside the dynamic tuning range,
 728          * start tuning the link based on the false cca counter.
 729          */
 730         if (rt2x00dev->link.qual.false_cca > 512 && r17 < up_bound) {
 731                 rt2500usb_bbp_write(rt2x00dev, 17, ++r17);
 732                 rt2x00dev->link.vgc_level = r17;
 733         } else if (rt2x00dev->link.qual.false_cca < 100 && r17 > low_bound) {
 734                 rt2500usb_bbp_write(rt2x00dev, 17, --r17);
 735                 rt2x00dev->link.vgc_level = r17;
 736         }
 737 }
 738
 739 /*
 740  * Initialization functions.
 741  */
 742 static int rt2500usb_init_registers(struct rt2x00_dev *rt2x00dev)
 743 {
 744         u16 reg;
 745
 746         rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0x0001,
 747                                     USB_MODE_TEST, REGISTER_TIMEOUT);
 748         rt2x00usb_vendor_request_sw(rt2x00dev, USB_SINGLE_WRITE, 0x0308,
 749                                     0x00f0, REGISTER_TIMEOUT);
 750
 751         rt2500usb_register_read(rt2x00dev, TXRX_CSR2, &reg);
 752         rt2x00_set_field16(&reg, TXRX_CSR2_DISABLE_RX, 1);
 753         rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg);
 754
 755         rt2500usb_register_write(rt2x00dev, MAC_CSR13, 0x1111);
 756         rt2500usb_register_write(rt2x00dev, MAC_CSR14, 0x1e11);
 757
 758         rt2500usb_register_read(rt2x00dev, MAC_CSR1, &reg);
 759         rt2x00_set_field16(&reg, MAC_CSR1_SOFT_RESET, 1);
 760         rt2x00_set_field16(&reg, MAC_CSR1_BBP_RESET, 1);
 761         rt2x00_set_field16(&reg, MAC_CSR1_HOST_READY, 0);
 762         rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg);
 763
 764         rt2500usb_register_read(rt2x00dev, MAC_CSR1, &reg);
 765         rt2x00_set_field16(&reg, MAC_CSR1_SOFT_RESET, 0);
 766         rt2x00_set_field16(&reg, MAC_CSR1_BBP_RESET, 0);
 767         rt2x00_set_field16(&reg, MAC_CSR1_HOST_READY, 0);
 768         rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg);
 769
 770         rt2500usb_register_read(rt2x00dev, TXRX_CSR5, &reg);
 771         rt2x00_set_field16(&reg, TXRX_CSR5_BBP_ID0, 13);
 772         rt2x00_set_field16(&reg, TXRX_CSR5_BBP_ID0_VALID, 1);
 773         rt2x00_set_field16(&reg, TXRX_CSR5_BBP_ID1, 12);
 774         rt2x00_set_field16(&reg, TXRX_CSR5_BBP_ID1_VALID, 1);
 775         rt2500usb_register_write(rt2x00dev, TXRX_CSR5, reg);
 776
 777         rt2500usb_register_read(rt2x00dev, TXRX_CSR6, &reg);
 778         rt2x00_set_field16(&reg, TXRX_CSR6_BBP_ID0, 10);
 779         rt2x00_set_field16(&reg, TXRX_CSR6_BBP_ID0_VALID, 1);
 780         rt2x00_set_field16(&reg, TXRX_CSR6_BBP_ID1, 11);
 781         rt2x00_set_field16(&reg, TXRX_CSR6_BBP_ID1_VALID, 1);
 782         rt2500usb_register_write(rt2x00dev, TXRX_CSR6, reg);
 783
 784         rt2500usb_register_read(rt2x00dev, TXRX_CSR7, &reg);
 785         rt2x00_set_field16(&reg, TXRX_CSR7_BBP_ID0, 7);
 786         rt2x00_set_field16(&reg, TXRX_CSR7_BBP_ID0_VALID, 1);
 787         rt2x00_set_field16(&reg, TXRX_CSR7_BBP_ID1, 6);
 788         rt2x00_set_field16(&reg, TXRX_CSR7_BBP_ID1_VALID, 1);
 789         rt2500usb_register_write(rt2x00dev, TXRX_CSR7, reg);
 790
 791         rt2500usb_register_read(rt2x00dev, TXRX_CSR8, &reg);
 792         rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID0, 5);
 793         rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID0_VALID, 1);
 794         rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID1, 0);
 795         rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID1_VALID, 0);
 796         rt2500usb_register_write(rt2x00dev, TXRX_CSR8, reg);
 797
 798         rt2500usb_register_write(rt2x00dev, TXRX_CSR21, 0xe78f);
 799         rt2500usb_register_write(rt2x00dev, MAC_CSR9, 0xff1d);
 800
 801         if (rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_AWAKE))
 802                 return -EBUSY;
 803
 804         rt2500usb_register_read(rt2x00dev, MAC_CSR1, &reg);
 805         rt2x00_set_field16(&reg, MAC_CSR1_SOFT_RESET, 0);
 806         rt2x00_set_field16(&reg, MAC_CSR1_BBP_RESET, 0);
 807         rt2x00_set_field16(&reg, MAC_CSR1_HOST_READY, 1);
 808         rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg);
 809
 810         if (rt2x00_rev(&rt2x00dev->chip) >= RT2570_VERSION_C) {
 811                 rt2500usb_register_read(rt2x00dev, PHY_CSR2, &reg);
 812                 rt2x00_set_field16(&reg, PHY_CSR2_LNA, 0);
 813         } else {
 814                 reg = 0;
 815                 rt2x00_set_field16(&reg, PHY_CSR2_LNA, 1);
 816                 rt2x00_set_field16(&reg, PHY_CSR2_LNA_MODE, 3);
 817         }
 818         rt2500usb_register_write(rt2x00dev, PHY_CSR2, reg);
 819
 820         rt2500usb_register_write(rt2x00dev, MAC_CSR11, 0x0002);
 821         rt2500usb_register_write(rt2x00dev, MAC_CSR22, 0x0053);
 822         rt2500usb_register_write(rt2x00dev, MAC_CSR15, 0x01ee);
 823         rt2500usb_register_write(rt2x00dev, MAC_CSR16, 0x0000);
 824
 825         rt2500usb_register_read(rt2x00dev, MAC_CSR8, &reg);
 826         rt2x00_set_field16(&reg, MAC_CSR8_MAX_FRAME_UNIT,
 827                            rt2x00dev->rx->data_size);
 828         rt2500usb_register_write(rt2x00dev, MAC_CSR8, reg);
 829
 830         rt2500usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
 831         rt2x00_set_field16(&reg, TXRX_CSR0_IV_OFFSET, IEEE80211_HEADER);
 832         rt2x00_set_field16(&reg, TXRX_CSR0_KEY_ID, 0xff);
 833         rt2500usb_register_write(rt2x00dev, TXRX_CSR0, reg);
 834
 835         rt2500usb_register_read(rt2x00dev, MAC_CSR18, &reg);
 836         rt2x00_set_field16(&reg, MAC_CSR18_DELAY_AFTER_BEACON, 90);
 837         rt2500usb_register_write(rt2x00dev, MAC_CSR18, reg);
 838
 839         rt2500usb_register_read(rt2x00dev, PHY_CSR4, &reg);
 840         rt2x00_set_field16(&reg, PHY_CSR4_LOW_RF_LE, 1);
 841         rt2500usb_register_write(rt2x00dev, PHY_CSR4, reg);
 842
 843         rt2500usb_register_read(rt2x00dev, TXRX_CSR1, &reg);
 844         rt2x00_set_field16(&reg, TXRX_CSR1_AUTO_SEQUENCE, 1);
 845         rt2500usb_register_write(rt2x00dev, TXRX_CSR1, reg);
 846
 847         return 0;
 848 }
 849
 850 static int rt2500usb_init_bbp(struct rt2x00_dev *rt2x00dev)
 851 {
 852         unsigned int i;
 853         u16 eeprom;
 854         u8 value;
 855         u8 reg_id;
 856
 857         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
 858                 rt2500usb_bbp_read(rt2x00dev, 0, &value);
 859                 if ((value != 0xff) && (value != 0x00))
 860                         goto continue_csr_init;
 861                 NOTICE(rt2x00dev, "Waiting for BBP register.\n");
 862                 udelay(REGISTER_BUSY_DELAY);
 863         }
 864
 865         ERROR(rt2x00dev, "BBP register access failed, aborting.\n");
 866         return -EACCES;
 867
 868 continue_csr_init:
 869         rt2500usb_bbp_write(rt2x00dev, 3, 0x02);
 870         rt2500usb_bbp_write(rt2x00dev, 4, 0x19);
 871         rt2500usb_bbp_write(rt2x00dev, 14, 0x1c);
 872         rt2500usb_bbp_write(rt2x00dev, 15, 0x30);
 873         rt2500usb_bbp_write(rt2x00dev, 16, 0xac);
 874         rt2500usb_bbp_write(rt2x00dev, 18, 0x18);
 875         rt2500usb_bbp_write(rt2x00dev, 19, 0xff);
 876         rt2500usb_bbp_write(rt2x00dev, 20, 0x1e);
 877         rt2500usb_bbp_write(rt2x00dev, 21, 0x08);
 878         rt2500usb_bbp_write(rt2x00dev, 22, 0x08);
 879         rt2500usb_bbp_write(rt2x00dev, 23, 0x08);
 880         rt2500usb_bbp_write(rt2x00dev, 24, 0x80);
 881         rt2500usb_bbp_write(rt2x00dev, 25, 0x50);
 882         rt2500usb_bbp_write(rt2x00dev, 26, 0x08);
 883         rt2500usb_bbp_write(rt2x00dev, 27, 0x23);
 884         rt2500usb_bbp_write(rt2x00dev, 30, 0x10);
 885         rt2500usb_bbp_write(rt2x00dev, 31, 0x2b);
 886         rt2500usb_bbp_write(rt2x00dev, 32, 0xb9);
 887         rt2500usb_bbp_write(rt2x00dev, 34, 0x12);
 888         rt2500usb_bbp_write(rt2x00dev, 35, 0x50);
 889         rt2500usb_bbp_write(rt2x00dev, 39, 0xc4);
 890         rt2500usb_bbp_write(rt2x00dev, 40, 0x02);
 891         rt2500usb_bbp_write(rt2x00dev, 41, 0x60);
 892         rt2500usb_bbp_write(rt2x00dev, 53, 0x10);
 893         rt2500usb_bbp_write(rt2x00dev, 54, 0x18);
 894         rt2500usb_bbp_write(rt2x00dev, 56, 0x08);
 895         rt2500usb_bbp_write(rt2x00dev, 57, 0x10);
 896         rt2500usb_bbp_write(rt2x00dev, 58, 0x08);
 897         rt2500usb_bbp_write(rt2x00dev, 61, 0x60);
 898         rt2500usb_bbp_write(rt2x00dev, 62, 0x10);
 899         rt2500usb_bbp_write(rt2x00dev, 75, 0xff);
 900
 901         for (i = 0; i < EEPROM_BBP_SIZE; i++) {
 902                 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
 903
 904                 if (eeprom != 0xffff && eeprom != 0x0000) {
 905                         reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
 906                         value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
 907                         rt2500usb_bbp_write(rt2x00dev, reg_id, value);
 908                 }
 909         }
 910
 911         return 0;
 912 }
 913
 914 /*
 915  * Device state switch handlers.
 916  */
 917 static void rt2500usb_toggle_rx(struct rt2x00_dev *rt2x00dev,
 918                                 enum dev_state state)
 919 {
 920         u16 reg;
 921
 922         rt2500usb_register_read(rt2x00dev, TXRX_CSR2, &reg);
 923         rt2x00_set_field16(&reg, TXRX_CSR2_DISABLE_RX,
 924                            state == STATE_RADIO_RX_OFF);
 925         rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg);
 926 }
 927
 928 static int rt2500usb_enable_radio(struct rt2x00_dev *rt2x00dev)
 929 {
 930         /*
 931          * Initialize all registers.
 932          */
 933         if (rt2500usb_init_registers(rt2x00dev) ||
 934             rt2500usb_init_bbp(rt2x00dev)) {
 935                 ERROR(rt2x00dev, "Register initialization failed.\n");
 936                 return -EIO;
 937         }
 938
 939         return 0;
 940 }
 941
 942 static void rt2500usb_disable_radio(struct rt2x00_dev *rt2x00dev)
 943 {
 944         rt2500usb_register_write(rt2x00dev, MAC_CSR13, 0x2121);
 945         rt2500usb_register_write(rt2x00dev, MAC_CSR14, 0x2121);
 946
 947         /*
 948          * Disable synchronisation.
 949          */
 950         rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0);
 951
 952         rt2x00usb_disable_radio(rt2x00dev);
 953 }
 954
 955 static int rt2500usb_set_state(struct rt2x00_dev *rt2x00dev,
 956                                enum dev_state state)
 957 {
 958         u16 reg;
 959         u16 reg2;
 960         unsigned int i;
 961         char put_to_sleep;
 962         char bbp_state;
 963         char rf_state;
 964
 965         put_to_sleep = (state != STATE_AWAKE);
 966
 967         reg = 0;
 968         rt2x00_set_field16(&reg, MAC_CSR17_BBP_DESIRE_STATE, state);
 969         rt2x00_set_field16(&reg, MAC_CSR17_RF_DESIRE_STATE, state);
 970         rt2x00_set_field16(&reg, MAC_CSR17_PUT_TO_SLEEP, put_to_sleep);
 971         rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg);
 972         rt2x00_set_field16(&reg, MAC_CSR17_SET_STATE, 1);
 973         rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg);
 974
 975         /*
 976          * Device is not guaranteed to be in the requested state yet.
 977          * We must wait until the register indicates that the
 978          * device has entered the correct state.
 979          */
 980         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
 981                 rt2500usb_register_read(rt2x00dev, MAC_CSR17, &reg2);
 982                 bbp_state = rt2x00_get_field16(reg2, MAC_CSR17_BBP_CURR_STATE);
 983                 rf_state = rt2x00_get_field16(reg2, MAC_CSR17_RF_CURR_STATE);
 984                 if (bbp_state == state && rf_state == state)
 985                         return 0;
 986                 rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg);
 987                 msleep(30);
 988         }
 989
 990         NOTICE(rt2x00dev, "Device failed to enter state %d, "
 991                "current device state: bbp %d and rf %d.\n",
 992                state, bbp_state, rf_state);
 993
 994         return -EBUSY;
 995 }
 996
 997 static int rt2500usb_set_device_state(struct rt2x00_dev *rt2x00dev,
 998                                       enum dev_state state)
 999 {
1000         int retval = 0;
1001
1002         switch (state) {
1003         case STATE_RADIO_ON:
1004                 retval = rt2500usb_enable_radio(rt2x00dev);
1005                 break;
1006         case STATE_RADIO_OFF:
1007                 rt2500usb_disable_radio(rt2x00dev);
1008                 break;
1009         case STATE_RADIO_RX_ON:
1010         case STATE_RADIO_RX_ON_LINK:
1011                 rt2500usb_toggle_rx(rt2x00dev, STATE_RADIO_RX_ON);
1012                 break;
1013         case STATE_RADIO_RX_OFF:
1014         case STATE_RADIO_RX_OFF_LINK:
1015                 rt2500usb_toggle_rx(rt2x00dev, STATE_RADIO_RX_OFF);
1016                 break;
1017         case STATE_DEEP_SLEEP:
1018         case STATE_SLEEP:
1019         case STATE_STANDBY:
1020         case STATE_AWAKE:
1021                 retval = rt2500usb_set_state(rt2x00dev, state);
1022                 break;
1023         default:
1024                 retval = -ENOTSUPP;
1025                 break;
1026         }
1027
1028         return retval;
1029 }
1030
1031 /*
1032  * TX descriptor initialization
1033  */
1034 static void rt2500usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
1035                                     struct sk_buff *skb,
1036                                     struct txentry_desc *txdesc,
1037                                     struct ieee80211_tx_control *control)
1038 {
1039         struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
1040         __le32 *txd = skbdesc->desc;
1041         u32 word;
1042
1043         /*
1044          * Start writing the descriptor words.
1045          */
1046         rt2x00_desc_read(txd, 1, &word);
1047         rt2x00_set_field32(&word, TXD_W1_IV_OFFSET, IEEE80211_HEADER);
1048         rt2x00_set_field32(&word, TXD_W1_AIFS, txdesc->aifs);
1049         rt2x00_set_field32(&word, TXD_W1_CWMIN, txdesc->cw_min);
1050         rt2x00_set_field32(&word, TXD_W1_CWMAX, txdesc->cw_max);
1051         rt2x00_desc_write(txd, 1, word);
1052
1053         rt2x00_desc_read(txd, 2, &word);
1054         rt2x00_set_field32(&word, TXD_W2_PLCP_SIGNAL, txdesc->signal);
1055         rt2x00_set_field32(&word, TXD_W2_PLCP_SERVICE, txdesc->service);
1056         rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_LOW, txdesc->length_low);
1057         rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_HIGH, txdesc->length_high);
1058         rt2x00_desc_write(txd, 2, word);
1059
1060         rt2x00_desc_read(txd, 0, &word);
1061         rt2x00_set_field32(&word, TXD_W0_RETRY_LIMIT, control->retry_limit);
1062         rt2x00_set_field32(&word, TXD_W0_MORE_FRAG,
1063                            test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
1064         rt2x00_set_field32(&word, TXD_W0_ACK,
1065                            test_bit(ENTRY_TXD_ACK, &txdesc->flags));
1066         rt2x00_set_field32(&word, TXD_W0_TIMESTAMP,
1067                            test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
1068         rt2x00_set_field32(&word, TXD_W0_OFDM,
1069                            test_bit(ENTRY_TXD_OFDM_RATE, &txdesc->flags));
1070         rt2x00_set_field32(&word, TXD_W0_NEW_SEQ,
1071                            !!(control->flags & IEEE80211_TXCTL_FIRST_FRAGMENT));
1072         rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs);
1073         rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, skbdesc->data_len);
1074         rt2x00_set_field32(&word, TXD_W0_CIPHER, CIPHER_NONE);
1075         rt2x00_desc_write(txd, 0, word);
1076 }
1077
1078 static int rt2500usb_get_tx_data_len(struct rt2x00_dev *rt2x00dev,
1079                                      struct sk_buff *skb)
1080 {
1081         int length;
1082
1083         /*
1084          * The length _must_ be a multiple of 2,
1085          * but it must _not_ be a multiple of the USB packet size.
1086          */
1087         length = roundup(skb->len, 2);
1088         length += (2 * !(length % rt2x00dev->usb_maxpacket));
1089
1090         return length;
1091 }
1092
1093 /*
1094  * TX data initialization
1095  */
1096 static void rt2500usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
1097                                     const unsigned int queue)
1098 {
1099         u16 reg;
1100
1101         if (queue != RT2X00_BCN_QUEUE_BEACON)
1102                 return;
1103
1104         rt2500usb_register_read(rt2x00dev, TXRX_CSR19, &reg);
1105         if (!rt2x00_get_field16(reg, TXRX_CSR19_BEACON_GEN)) {
1106                 rt2x00_set_field16(&reg, TXRX_CSR19_TSF_COUNT, 1);
1107                 rt2x00_set_field16(&reg, TXRX_CSR19_TBCN, 1);
1108                 rt2x00_set_field16(&reg, TXRX_CSR19_BEACON_GEN, 1);
1109                 /*
1110                  * Beacon generation will fail initially.
1111                  * To prevent this we need to register the TXRX_CSR19
1112                  * register several times.
1113                  */
1114                 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
1115                 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0);
1116                 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
1117                 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0);
1118                 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
1119         }
1120 }
1121
1122 /*
1123  * RX control handlers
1124  */
1125 static void rt2500usb_fill_rxdone(struct queue_entry *entry,
1126                                   struct rxdone_entry_desc *rxdesc)
1127 {
1128         struct queue_entry_priv_usb_rx *priv_rx = entry->priv_data;
1129         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
1130         __le32 *rxd =
1131             (__le32 *)(entry->skb->data +
1132                        (priv_rx->urb->actual_length - entry->queue->desc_size));
1133         unsigned int offset = entry->queue->desc_size + 2;
1134         u32 word0;
1135         u32 word1;
1136
1137         /*
1138          * Copy descriptor to the available headroom inside the skbuffer.
1139          */
1140         skb_push(entry->skb, offset);
1141         memcpy(entry->skb->data, rxd, entry->queue->desc_size);
1142         rxd = (__le32 *)entry->skb->data;
1143
1144         /*
1145          * The descriptor is now aligned to 4 bytes and thus it is
1146          * now safe to read it on all architectures.
1147          */
1148         rt2x00_desc_read(rxd, 0, &word0);
1149         rt2x00_desc_read(rxd, 1, &word1);
1150
1151         rxdesc->flags = 0;
1152         if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR))
1153                 rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
1154         if (rt2x00_get_field32(word0, RXD_W0_PHYSICAL_ERROR))
1155                 rxdesc->flags |= RX_FLAG_FAILED_PLCP_CRC;
1156
1157         /*
1158          * Obtain the status about this packet.
1159          * When frame was received with an OFDM bitrate,
1160          * the signal is the PLCP value. If it was received with
1161          * a CCK bitrate the signal is the rate in 100kbit/s.
1162          */
1163         rxdesc->signal = rt2x00_get_field32(word1, RXD_W1_SIGNAL);
1164         rxdesc->rssi = rt2x00_get_field32(word1, RXD_W1_RSSI) -
1165             entry->queue->rt2x00dev->rssi_offset;
1166         rxdesc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT);
1167
1168         rxdesc->dev_flags = 0;
1169         if (rt2x00_get_field32(word0, RXD_W0_OFDM))
1170                 rxdesc->dev_flags |= RXDONE_SIGNAL_PLCP;
1171         if (rt2x00_get_field32(word0, RXD_W0_MY_BSS))
1172                 rxdesc->dev_flags |= RXDONE_MY_BSS;
1173
1174         /*
1175          * Adjust the skb memory window to the frame boundaries.
1176          */
1177         skb_pull(entry->skb, offset);
1178         skb_trim(entry->skb, rxdesc->size);
1179
1180         /*
1181          * Set descriptor and data pointer.
1182          */
1183         skbdesc->data = entry->skb->data;
1184         skbdesc->data_len = rxdesc->size;
1185         skbdesc->desc = rxd;
1186         skbdesc->desc_len = entry->queue->desc_size;
1187 }
1188
1189 /*
1190  * Interrupt functions.
1191  */
1192 static void rt2500usb_beacondone(struct urb *urb)
1193 {
1194         struct queue_entry *entry = (struct queue_entry *)urb->context;
1195         struct queue_entry_priv_usb_bcn *priv_bcn = entry->priv_data;
1196
1197         if (!test_bit(DEVICE_ENABLED_RADIO, &entry->queue->rt2x00dev->flags))
1198                 return;
1199
1200         /*
1201          * Check if this was the guardian beacon,
1202          * if that was the case we need to send the real beacon now.
1203          * Otherwise we should free the sk_buffer, the device
1204          * should be doing the rest of the work now.
1205          */
1206         if (priv_bcn->guardian_urb == urb) {
1207                 usb_submit_urb(priv_bcn->urb, GFP_ATOMIC);
1208         } else if (priv_bcn->urb == urb) {
1209                 dev_kfree_skb(entry->skb);
1210                 entry->skb = NULL;
1211         }
1212 }
1213
1214 /*
1215  * Device probe functions.
1216  */
1217 static int rt2500usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
1218 {
1219         u16 word;
1220         u8 *mac;
1221         u8 bbp;
1222
1223         rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom, EEPROM_SIZE);
1224
1225         /*
1226          * Start validation of the data that has been read.
1227          */
1228         mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
1229         if (!is_valid_ether_addr(mac)) {
1230                 DECLARE_MAC_BUF(macbuf);
1231
1232                 random_ether_addr(mac);
1233                 EEPROM(rt2x00dev, "MAC: %s\n", print_mac(macbuf, mac));
1234         }
1235
1236         rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
1237         if (word == 0xffff) {
1238                 rt2x00_set_field16(&word, EEPROM_ANTENNA_NUM, 2);
1239                 rt2x00_set_field16(&word, EEPROM_ANTENNA_TX_DEFAULT,
1240                                    ANTENNA_SW_DIVERSITY);
1241                 rt2x00_set_field16(&word, EEPROM_ANTENNA_RX_DEFAULT,
1242                                    ANTENNA_SW_DIVERSITY);
1243                 rt2x00_set_field16(&word, EEPROM_ANTENNA_LED_MODE,
1244                                    LED_MODE_DEFAULT);
1245                 rt2x00_set_field16(&word, EEPROM_ANTENNA_DYN_TXAGC, 0);
1246                 rt2x00_set_field16(&word, EEPROM_ANTENNA_HARDWARE_RADIO, 0);
1247                 rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF2522);
1248                 rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
1249                 EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word);
1250         }
1251
1252         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word);
1253         if (word == 0xffff) {
1254                 rt2x00_set_field16(&word, EEPROM_NIC_CARDBUS_ACCEL, 0);
1255                 rt2x00_set_field16(&word, EEPROM_NIC_DYN_BBP_TUNE, 0);
1256                 rt2x00_set_field16(&word, EEPROM_NIC_CCK_TX_POWER, 0);
1257                 rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word);
1258                 EEPROM(rt2x00dev, "NIC: 0x%04x\n", word);
1259         }
1260
1261         rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &word);
1262         if (word == 0xffff) {
1263                 rt2x00_set_field16(&word, EEPROM_CALIBRATE_OFFSET_RSSI,
1264                                    DEFAULT_RSSI_OFFSET);
1265                 rt2x00_eeprom_write(rt2x00dev, EEPROM_CALIBRATE_OFFSET, word);
1266                 EEPROM(rt2x00dev, "Calibrate offset: 0x%04x\n", word);
1267         }
1268
1269         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE, &word);
1270         if (word == 0xffff) {
1271                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_THRESHOLD, 45);
1272                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE, word);
1273                 EEPROM(rt2x00dev, "BBPtune: 0x%04x\n", word);
1274         }
1275
1276         /*
1277          * Switch lower vgc bound to current BBP R17 value,
1278          * lower the value a bit for better quality.
1279          */
1280         rt2500usb_bbp_read(rt2x00dev, 17, &bbp);
1281         bbp -= 6;
1282
1283         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &word);
1284         if (word == 0xffff) {
1285                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCUPPER, 0x40);
1286                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCLOWER, bbp);
1287                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_VGC, word);
1288                 EEPROM(rt2x00dev, "BBPtune vgc: 0x%04x\n", word);
1289         }
1290
1291         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R17, &word);
1292         if (word == 0xffff) {
1293                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R17_LOW, 0x48);
1294                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R17_HIGH, 0x41);
1295                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R17, word);
1296                 EEPROM(rt2x00dev, "BBPtune r17: 0x%04x\n", word);
1297         } else {
1298                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCLOWER, bbp);
1299                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_VGC, word);
1300         }
1301
1302         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &word);
1303         if (word == 0xffff) {
1304                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R24_LOW, 0x40);
1305                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R24_HIGH, 0x80);
1306                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R24, word);
1307                 EEPROM(rt2x00dev, "BBPtune r24: 0x%04x\n", word);
1308         }
1309
1310         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &word);
1311         if (word == 0xffff) {
1312                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R25_LOW, 0x40);
1313                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R25_HIGH, 0x50);
1314                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R25, word);
1315                 EEPROM(rt2x00dev, "BBPtune r25: 0x%04x\n", word);
1316         }
1317
1318         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &word);
1319         if (word == 0xffff) {
1320                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R61_LOW, 0x60);
1321                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R61_HIGH, 0x6d);
1322                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R61, word);
1323                 EEPROM(rt2x00dev, "BBPtune r61: 0x%04x\n", word);
1324         }
1325
1326         return 0;
1327 }
1328
1329 static int rt2500usb_init_eeprom(struct rt2x00_dev *rt2x00dev)
1330 {
1331         u16 reg;
1332         u16 value;
1333         u16 eeprom;
1334
1335         /*
1336          * Read EEPROM word for configuration.
1337          */
1338         rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
1339
1340         /*
1341          * Identify RF chipset.
1342          */
1343         value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
1344         rt2500usb_register_read(rt2x00dev, MAC_CSR0, &reg);
1345         rt2x00_set_chip(rt2x00dev, RT2570, value, reg);
1346
1347         if (!rt2x00_check_rev(&rt2x00dev->chip, 0)) {
1348                 ERROR(rt2x00dev, "Invalid RT chipset detected.\n");
1349                 return -ENODEV;
1350         }
1351
1352         if (!rt2x00_rf(&rt2x00dev->chip, RF2522) &&
1353             !rt2x00_rf(&rt2x00dev->chip, RF2523) &&
1354             !rt2x00_rf(&rt2x00dev->chip, RF2524) &&
1355             !rt2x00_rf(&rt2x00dev->chip, RF2525) &&
1356             !rt2x00_rf(&rt2x00dev->chip, RF2525E) &&
1357             !rt2x00_rf(&rt2x00dev->chip, RF5222)) {
1358                 ERROR(rt2x00dev, "Invalid RF chipset detected.\n");
1359                 return -ENODEV;
1360         }
1361
1362         /*
1363          * Identify default antenna configuration.
1364          */
1365         rt2x00dev->default_ant.tx =
1366             rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TX_DEFAULT);
1367         rt2x00dev->default_ant.rx =
1368             rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_DEFAULT);
1369
1370         /*
1371          * When the eeprom indicates SW_DIVERSITY use HW_DIVERSITY instead.
1372          * I am not 100% sure about this, but the legacy drivers do not
1373          * indicate antenna swapping in software is required when
1374          * diversity is enabled.
1375          */
1376         if (rt2x00dev->default_ant.tx == ANTENNA_SW_DIVERSITY)
1377                 rt2x00dev->default_ant.tx = ANTENNA_HW_DIVERSITY;
1378         if (rt2x00dev->default_ant.rx == ANTENNA_SW_DIVERSITY)
1379                 rt2x00dev->default_ant.rx = ANTENNA_HW_DIVERSITY;
1380
1381         /*
1382          * Store led mode, for correct led behaviour.
1383          */
1384 #ifdef CONFIG_RT2500USB_LEDS
1385         value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_LED_MODE);
1386
1387         rt2x00dev->led_radio.rt2x00dev = rt2x00dev;
1388         rt2x00dev->led_radio.type = LED_TYPE_RADIO;
1389         rt2x00dev->led_radio.led_dev.brightness_set =
1390             rt2500usb_brightness_set;
1391         rt2x00dev->led_radio.led_dev.blink_set =
1392             rt2500usb_blink_set;
1393         rt2x00dev->led_radio.flags = LED_INITIALIZED;
1394
1395         if (value == LED_MODE_TXRX_ACTIVITY) {
1396                 rt2x00dev->led_qual.rt2x00dev = rt2x00dev;
1397                 rt2x00dev->led_qual.type = LED_TYPE_ACTIVITY;
1398                 rt2x00dev->led_qual.led_dev.brightness_set =
1399                     rt2500usb_brightness_set;
1400                 rt2x00dev->led_qual.led_dev.blink_set =
1401                     rt2500usb_blink_set;
1402                 rt2x00dev->led_qual.flags = LED_INITIALIZED;
1403         }
1404 #endif /* CONFIG_RT2500USB_LEDS */
1405
1406         /*
1407          * Check if the BBP tuning should be disabled.
1408          */
1409         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom);
1410         if (rt2x00_get_field16(eeprom, EEPROM_NIC_DYN_BBP_TUNE))
1411                 __set_bit(CONFIG_DISABLE_LINK_TUNING, &rt2x00dev->flags);
1412
1413         /*
1414          * Read the RSSI <-> dBm offset information.
1415          */
1416         rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &eeprom);
1417         rt2x00dev->rssi_offset =
1418             rt2x00_get_field16(eeprom, EEPROM_CALIBRATE_OFFSET_RSSI);
1419
1420         return 0;
1421 }
1422
1423 /*
1424  * RF value list for RF2522
1425  * Supports: 2.4 GHz
1426  */
1427 static const struct rf_channel rf_vals_bg_2522[] = {
1428         { 1,  0x00002050, 0x000c1fda, 0x00000101, 0 },
1429         { 2,  0x00002050, 0x000c1fee, 0x00000101, 0 },
1430         { 3,  0x00002050, 0x000c2002, 0x00000101, 0 },
1431         { 4,  0x00002050, 0x000c2016, 0x00000101, 0 },
1432         { 5,  0x00002050, 0x000c202a, 0x00000101, 0 },
1433         { 6,  0x00002050, 0x000c203e, 0x00000101, 0 },
1434         { 7,  0x00002050, 0x000c2052, 0x00000101, 0 },
1435         { 8,  0x00002050, 0x000c2066, 0x00000101, 0 },
1436         { 9,  0x00002050, 0x000c207a, 0x00000101, 0 },
1437         { 10, 0x00002050, 0x000c208e, 0x00000101, 0 },
1438         { 11, 0x00002050, 0x000c20a2, 0x00000101, 0 },
1439         { 12, 0x00002050, 0x000c20b6, 0x00000101, 0 },
1440         { 13, 0x00002050, 0x000c20ca, 0x00000101, 0 },
1441         { 14, 0x00002050, 0x000c20fa, 0x00000101, 0 },
1442 };
1443
1444 /*
1445  * RF value list for RF2523
1446  * Supports: 2.4 GHz
1447  */
1448 static const struct rf_channel rf_vals_bg_2523[] = {
1449         { 1,  0x00022010, 0x00000c9e, 0x000e0111, 0x00000a1b },
1450         { 2,  0x00022010, 0x00000ca2, 0x000e0111, 0x00000a1b },
1451         { 3,  0x00022010, 0x00000ca6, 0x000e0111, 0x00000a1b },
1452         { 4,  0x00022010, 0x00000caa, 0x000e0111, 0x00000a1b },
1453         { 5,  0x00022010, 0x00000cae, 0x000e0111, 0x00000a1b },
1454         { 6,  0x00022010, 0x00000cb2, 0x000e0111, 0x00000a1b },
1455         { 7,  0x00022010, 0x00000cb6, 0x000e0111, 0x00000a1b },
1456         { 8,  0x00022010, 0x00000cba, 0x000e0111, 0x00000a1b },
1457         { 9,  0x00022010, 0x00000cbe, 0x000e0111, 0x00000a1b },
1458         { 10, 0x00022010, 0x00000d02, 0x000e0111, 0x00000a1b },
1459         { 11, 0x00022010, 0x00000d06, 0x000e0111, 0x00000a1b },
1460         { 12, 0x00022010, 0x00000d0a, 0x000e0111, 0x00000a1b },
1461         { 13, 0x00022010, 0x00000d0e, 0x000e0111, 0x00000a1b },
1462         { 14, 0x00022010, 0x00000d1a, 0x000e0111, 0x00000a03 },
1463 };
1464
1465 /*
1466  * RF value list for RF2524
1467  * Supports: 2.4 GHz
1468  */
1469 static const struct rf_channel rf_vals_bg_2524[] = {
1470         { 1,  0x00032020, 0x00000c9e, 0x00000101, 0x00000a1b },
1471         { 2,  0x00032020, 0x00000ca2, 0x00000101, 0x00000a1b },
1472         { 3,  0x00032020, 0x00000ca6, 0x00000101, 0x00000a1b },
1473         { 4,  0x00032020, 0x00000caa, 0x00000101, 0x00000a1b },
1474         { 5,  0x00032020, 0x00000cae, 0x00000101, 0x00000a1b },
1475         { 6,  0x00032020, 0x00000cb2, 0x00000101, 0x00000a1b },
1476         { 7,  0x00032020, 0x00000cb6, 0x00000101, 0x00000a1b },
1477         { 8,  0x00032020, 0x00000cba, 0x00000101, 0x00000a1b },
1478         { 9,  0x00032020, 0x00000cbe, 0x00000101, 0x00000a1b },
1479         { 10, 0x00032020, 0x00000d02, 0x00000101, 0x00000a1b },
1480         { 11, 0x00032020, 0x00000d06, 0x00000101, 0x00000a1b },
1481         { 12, 0x00032020, 0x00000d0a, 0x00000101, 0x00000a1b },
1482         { 13, 0x00032020, 0x00000d0e, 0x00000101, 0x00000a1b },
1483         { 14, 0x00032020, 0x00000d1a, 0x00000101, 0x00000a03 },
1484 };
1485
1486 /*
1487  * RF value list for RF2525
1488  * Supports: 2.4 GHz
1489  */
1490 static const struct rf_channel rf_vals_bg_2525[] = {
1491         { 1,  0x00022020, 0x00080c9e, 0x00060111, 0x00000a1b },
1492         { 2,  0x00022020, 0x00080ca2, 0x00060111, 0x00000a1b },
1493         { 3,  0x00022020, 0x00080ca6, 0x00060111, 0x00000a1b },
1494         { 4,  0x00022020, 0x00080caa, 0x00060111, 0x00000a1b },
1495         { 5,  0x00022020, 0x00080cae, 0x00060111, 0x00000a1b },
1496         { 6,  0x00022020, 0x00080cb2, 0x00060111, 0x00000a1b },
1497         { 7,  0x00022020, 0x00080cb6, 0x00060111, 0x00000a1b },
1498         { 8,  0x00022020, 0x00080cba, 0x00060111, 0x00000a1b },
1499         { 9,  0x00022020, 0x00080cbe, 0x00060111, 0x00000a1b },
1500         { 10, 0x00022020, 0x00080d02, 0x00060111, 0x00000a1b },
1501         { 11, 0x00022020, 0x00080d06, 0x00060111, 0x00000a1b },
1502         { 12, 0x00022020, 0x00080d0a, 0x00060111, 0x00000a1b },
1503         { 13, 0x00022020, 0x00080d0e, 0x00060111, 0x00000a1b },
1504         { 14, 0x00022020, 0x00080d1a, 0x00060111, 0x00000a03 },
1505 };
1506
1507 /*
1508  * RF value list for RF2525e
1509  * Supports: 2.4 GHz
1510  */
1511 static const struct rf_channel rf_vals_bg_2525e[] = {
1512         { 1,  0x00022010, 0x0000089a, 0x00060111, 0x00000e1b },
1513         { 2,  0x00022010, 0x0000089e, 0x00060111, 0x00000e07 },
1514         { 3,  0x00022010, 0x0000089e, 0x00060111, 0x00000e1b },
1515         { 4,  0x00022010, 0x000008a2, 0x00060111, 0x00000e07 },
1516         { 5,  0x00022010, 0x000008a2, 0x00060111, 0x00000e1b },
1517         { 6,  0x00022010, 0x000008a6, 0x00060111, 0x00000e07 },
1518         { 7,  0x00022010, 0x000008a6, 0x00060111, 0x00000e1b },
1519         { 8,  0x00022010, 0x000008aa, 0x00060111, 0x00000e07 },
1520         { 9,  0x00022010, 0x000008aa, 0x00060111, 0x00000e1b },
1521         { 10, 0x00022010, 0x000008ae, 0x00060111, 0x00000e07 },
1522         { 11, 0x00022010, 0x000008ae, 0x00060111, 0x00000e1b },
1523         { 12, 0x00022010, 0x000008b2, 0x00060111, 0x00000e07 },
1524         { 13, 0x00022010, 0x000008b2, 0x00060111, 0x00000e1b },
1525         { 14, 0x00022010, 0x000008b6, 0x00060111, 0x00000e23 },
1526 };
1527
1528 /*
1529  * RF value list for RF5222
1530  * Supports: 2.4 GHz & 5.2 GHz
1531  */
1532 static const struct rf_channel rf_vals_5222[] = {
1533         { 1,  0x00022020, 0x00001136, 0x00000101, 0x00000a0b },
1534         { 2,  0x00022020, 0x0000113a, 0x00000101, 0x00000a0b },
1535         { 3,  0x00022020, 0x0000113e, 0x00000101, 0x00000a0b },
1536         { 4,  0x00022020, 0x00001182, 0x00000101, 0x00000a0b },
1537         { 5,  0x00022020, 0x00001186, 0x00000101, 0x00000a0b },
1538         { 6,  0x00022020, 0x0000118a, 0x00000101, 0x00000a0b },
1539         { 7,  0x00022020, 0x0000118e, 0x00000101, 0x00000a0b },
1540         { 8,  0x00022020, 0x00001192, 0x00000101, 0x00000a0b },
1541         { 9,  0x00022020, 0x00001196, 0x00000101, 0x00000a0b },
1542         { 10, 0x00022020, 0x0000119a, 0x00000101, 0x00000a0b },
1543         { 11, 0x00022020, 0x0000119e, 0x00000101, 0x00000a0b },
1544         { 12, 0x00022020, 0x000011a2, 0x00000101, 0x00000a0b },
1545         { 13, 0x00022020, 0x000011a6, 0x00000101, 0x00000a0b },
1546         { 14, 0x00022020, 0x000011ae, 0x00000101, 0x00000a1b },
1547
1548         /* 802.11 UNI / HyperLan 2 */
1549         { 36, 0x00022010, 0x00018896, 0x00000101, 0x00000a1f },
1550         { 40, 0x00022010, 0x0001889a, 0x00000101, 0x00000a1f },
1551         { 44, 0x00022010, 0x0001889e, 0x00000101, 0x00000a1f },
1552         { 48, 0x00022010, 0x000188a2, 0x00000101, 0x00000a1f },
1553         { 52, 0x00022010, 0x000188a6, 0x00000101, 0x00000a1f },
1554         { 66, 0x00022010, 0x000188aa, 0x00000101, 0x00000a1f },
1555         { 60, 0x00022010, 0x000188ae, 0x00000101, 0x00000a1f },
1556         { 64, 0x00022010, 0x000188b2, 0x00000101, 0x00000a1f },
1557
1558         /* 802.11 HyperLan 2 */
1559         { 100, 0x00022010, 0x00008802, 0x00000101, 0x00000a0f },
1560         { 104, 0x00022010, 0x00008806, 0x00000101, 0x00000a0f },
1561         { 108, 0x00022010, 0x0000880a, 0x00000101, 0x00000a0f },
1562         { 112, 0x00022010, 0x0000880e, 0x00000101, 0x00000a0f },
1563         { 116, 0x00022010, 0x00008812, 0x00000101, 0x00000a0f },
1564         { 120, 0x00022010, 0x00008816, 0x00000101, 0x00000a0f },
1565         { 124, 0x00022010, 0x0000881a, 0x00000101, 0x00000a0f },
1566         { 128, 0x00022010, 0x0000881e, 0x00000101, 0x00000a0f },
1567         { 132, 0x00022010, 0x00008822, 0x00000101, 0x00000a0f },
1568         { 136, 0x00022010, 0x00008826, 0x00000101, 0x00000a0f },
1569
1570         /* 802.11 UNII */
1571         { 140, 0x00022010, 0x0000882a, 0x00000101, 0x00000a0f },
1572         { 149, 0x00022020, 0x000090a6, 0x00000101, 0x00000a07 },
1573         { 153, 0x00022020, 0x000090ae, 0x00000101, 0x00000a07 },
1574         { 157, 0x00022020, 0x000090b6, 0x00000101, 0x00000a07 },
1575         { 161, 0x00022020, 0x000090be, 0x00000101, 0x00000a07 },
1576 };
1577
1578 static void rt2500usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
1579 {
1580         struct hw_mode_spec *spec = &rt2x00dev->spec;
1581         u8 *txpower;
1582         unsigned int i;
1583
1584         /*
1585          * Initialize all hw fields.
1586          */
1587         rt2x00dev->hw->flags =
1588             IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE |
1589             IEEE80211_HW_RX_INCLUDES_FCS |
1590             IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING;
1591         rt2x00dev->hw->extra_tx_headroom = TXD_DESC_SIZE;
1592         rt2x00dev->hw->max_signal = MAX_SIGNAL;
1593         rt2x00dev->hw->max_rssi = MAX_RX_SSI;
1594         rt2x00dev->hw->queues = 2;
1595
1596         SET_IEEE80211_DEV(rt2x00dev->hw, &rt2x00dev_usb(rt2x00dev)->dev);
1597         SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
1598                                 rt2x00_eeprom_addr(rt2x00dev,
1599                                                    EEPROM_MAC_ADDR_0));
1600
1601         /*
1602          * Convert tx_power array in eeprom.
1603          */
1604         txpower = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_START);
1605         for (i = 0; i < 14; i++)
1606                 txpower[i] = TXPOWER_FROM_DEV(txpower[i]);
1607
1608         /*
1609          * Initialize hw_mode information.
1610          */
1611         spec->supported_bands = SUPPORT_BAND_2GHZ;
1612         spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
1613         spec->tx_power_a = NULL;
1614         spec->tx_power_bg = txpower;
1615         spec->tx_power_default = DEFAULT_TXPOWER;
1616
1617         if (rt2x00_rf(&rt2x00dev->chip, RF2522)) {
1618                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2522);
1619                 spec->channels = rf_vals_bg_2522;
1620         } else if (rt2x00_rf(&rt2x00dev->chip, RF2523)) {
1621                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2523);
1622                 spec->channels = rf_vals_bg_2523;
1623         } else if (rt2x00_rf(&rt2x00dev->chip, RF2524)) {
1624                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2524);
1625                 spec->channels = rf_vals_bg_2524;
1626         } else if (rt2x00_rf(&rt2x00dev->chip, RF2525)) {
1627                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525);
1628                 spec->channels = rf_vals_bg_2525;
1629         } else if (rt2x00_rf(&rt2x00dev->chip, RF2525E)) {
1630                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525e);
1631                 spec->channels = rf_vals_bg_2525e;
1632         } else if (rt2x00_rf(&rt2x00dev->chip, RF5222)) {
1633                 spec->supported_bands |= SUPPORT_BAND_5GHZ;
1634                 spec->num_channels = ARRAY_SIZE(rf_vals_5222);
1635                 spec->channels = rf_vals_5222;
1636         }
1637 }
1638
1639 static int rt2500usb_probe_hw(struct rt2x00_dev *rt2x00dev)
1640 {
1641         int retval;
1642
1643         /*
1644          * Allocate eeprom data.
1645          */
1646         retval = rt2500usb_validate_eeprom(rt2x00dev);
1647         if (retval)
1648                 return retval;
1649
1650         retval = rt2500usb_init_eeprom(rt2x00dev);
1651         if (retval)
1652                 return retval;
1653
1654         /*
1655          * Initialize hw specifications.
1656          */
1657         rt2500usb_probe_hw_mode(rt2x00dev);
1658
1659         /*
1660          * This device requires the atim queue
1661          */
1662         __set_bit(DRIVER_REQUIRE_ATIM_QUEUE, &rt2x00dev->flags);
1663         __set_bit(DRIVER_REQUIRE_BEACON_GUARD, &rt2x00dev->flags);
1664         __set_bit(DRIVER_REQUIRE_SCHEDULED, &rt2x00dev->flags);
1665
1666         /*
1667          * Set the rssi offset.
1668          */
1669         rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
1670
1671         return 0;
1672 }
1673
1674 /*
1675  * IEEE80211 stack callback functions.
1676  */
1677 static int rt2500usb_beacon_update(struct ieee80211_hw *hw,
1678                                    struct sk_buff *skb,
1679                                    struct ieee80211_tx_control *control)
1680 {
1681         struct rt2x00_dev *rt2x00dev = hw->priv;
1682         struct usb_device *usb_dev = rt2x00dev_usb_dev(rt2x00dev);
1683         struct rt2x00_intf *intf = vif_to_intf(control->vif);
1684         struct queue_entry_priv_usb_bcn *priv_bcn;
1685         struct skb_frame_desc *skbdesc;
1686         int pipe = usb_sndbulkpipe(usb_dev, 1);
1687         int length;
1688         u16 reg;
1689
1690         if (unlikely(!intf->beacon))
1691                 return -ENOBUFS;
1692
1693         priv_bcn = intf->beacon->priv_data;
1694
1695         /*
1696          * Add the descriptor in front of the skb.
1697          */
1698         skb_push(skb, intf->beacon->queue->desc_size);
1699         memset(skb->data, 0, intf->beacon->queue->desc_size);
1700
1701         /*
1702          * Fill in skb descriptor
1703          */
1704         skbdesc = get_skb_frame_desc(skb);
1705         memset(skbdesc, 0, sizeof(*skbdesc));
1706         skbdesc->flags |= FRAME_DESC_DRIVER_GENERATED;
1707         skbdesc->data = skb->data + intf->beacon->queue->desc_size;
1708         skbdesc->data_len = skb->len - intf->beacon->queue->desc_size;
1709         skbdesc->desc = skb->data;
1710         skbdesc->desc_len = intf->beacon->queue->desc_size;
1711         skbdesc->entry = intf->beacon;
1712
1713         /*
1714          * Disable beaconing while we are reloading the beacon data,
1715          * otherwise we might be sending out invalid data.
1716          */
1717         rt2500usb_register_read(rt2x00dev, TXRX_CSR19, &reg);
1718         rt2x00_set_field16(&reg, TXRX_CSR19_TSF_COUNT, 0);
1719         rt2x00_set_field16(&reg, TXRX_CSR19_TBCN, 0);
1720         rt2x00_set_field16(&reg, TXRX_CSR19_BEACON_GEN, 0);
1721         rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
1722
1723         /*
1724          * mac80211 doesn't provide the control->queue variable
1725          * for beacons. Set our own queue identification so
1726          * it can be used during descriptor initialization.
1727          */
1728         control->queue = RT2X00_BCN_QUEUE_BEACON;
1729         rt2x00lib_write_tx_desc(rt2x00dev, skb, control);
1730
1731         /*
1732          * USB devices cannot blindly pass the skb->len as the
1733          * length of the data to usb_fill_bulk_urb. Pass the skb
1734          * to the driver to determine what the length should be.
1735          */
1736         length = rt2500usb_get_tx_data_len(rt2x00dev, skb);
1737
1738         usb_fill_bulk_urb(priv_bcn->urb, usb_dev, pipe,
1739                           skb->data, length, rt2500usb_beacondone,
1740                           intf->beacon);
1741
1742         /*
1743          * Second we need to create the guardian byte.
1744          * We only need a single byte, so lets recycle
1745          * the 'flags' field we are not using for beacons.
1746          */
1747         priv_bcn->guardian_data = 0;
1748         usb_fill_bulk_urb(priv_bcn->guardian_urb, usb_dev, pipe,
1749                           &priv_bcn->guardian_data, 1, rt2500usb_beacondone,
1750                           intf->beacon);
1751
1752         /*
1753          * Send out the guardian byte.
1754          */
1755         usb_submit_urb(priv_bcn->guardian_urb, GFP_ATOMIC);
1756
1757         /*
1758          * Enable beacon generation.
1759          */
1760         rt2500usb_kick_tx_queue(rt2x00dev, control->queue);
1761
1762         return 0;
1763 }
1764
1765 static const struct ieee80211_ops rt2500usb_mac80211_ops = {
1766         .tx                     = rt2x00mac_tx,
1767         .start                  = rt2x00mac_start,
1768         .stop                   = rt2x00mac_stop,
1769         .add_interface          = rt2x00mac_add_interface,
1770         .remove_interface       = rt2x00mac_remove_interface,
1771         .config                 = rt2x00mac_config,
1772         .config_interface       = rt2x00mac_config_interface,
1773         .configure_filter       = rt2x00mac_configure_filter,
1774         .get_stats              = rt2x00mac_get_stats,
1775         .bss_info_changed       = rt2x00mac_bss_info_changed,
1776         .conf_tx                = rt2x00mac_conf_tx,
1777         .get_tx_stats           = rt2x00mac_get_tx_stats,
1778         .beacon_update          = rt2500usb_beacon_update,
1779 };
1780
1781 static const struct rt2x00lib_ops rt2500usb_rt2x00_ops = {
1782         .probe_hw               = rt2500usb_probe_hw,
1783         .initialize             = rt2x00usb_initialize,
1784         .uninitialize           = rt2x00usb_uninitialize,
1785         .init_rxentry           = rt2x00usb_init_rxentry,
1786         .init_txentry           = rt2x00usb_init_txentry,
1787         .set_device_state       = rt2500usb_set_device_state,
1788         .link_stats             = rt2500usb_link_stats,
1789         .reset_tuner            = rt2500usb_reset_tuner,
1790         .link_tuner             = rt2500usb_link_tuner,
1791         .write_tx_desc          = rt2500usb_write_tx_desc,
1792         .write_tx_data          = rt2x00usb_write_tx_data,
1793         .get_tx_data_len        = rt2500usb_get_tx_data_len,
1794         .kick_tx_queue          = rt2500usb_kick_tx_queue,
1795         .fill_rxdone            = rt2500usb_fill_rxdone,
1796         .config_filter          = rt2500usb_config_filter,
1797         .config_intf            = rt2500usb_config_intf,
1798         .config_erp             = rt2500usb_config_erp,
1799         .config                 = rt2500usb_config,
1800 };
1801
1802 static const struct data_queue_desc rt2500usb_queue_rx = {
1803         .entry_num              = RX_ENTRIES,
1804         .data_size              = DATA_FRAME_SIZE,
1805         .desc_size              = RXD_DESC_SIZE,
1806         .priv_size              = sizeof(struct queue_entry_priv_usb_rx),
1807 };
1808
1809 static const struct data_queue_desc rt2500usb_queue_tx = {
1810         .entry_num              = TX_ENTRIES,
1811         .data_size              = DATA_FRAME_SIZE,
1812         .desc_size              = TXD_DESC_SIZE,
1813         .priv_size              = sizeof(struct queue_entry_priv_usb_tx),
1814 };
1815
1816 static const struct data_queue_desc rt2500usb_queue_bcn = {
1817         .entry_num              = BEACON_ENTRIES,
1818         .data_size              = MGMT_FRAME_SIZE,
1819         .desc_size              = TXD_DESC_SIZE,
1820         .priv_size              = sizeof(struct queue_entry_priv_usb_bcn),
1821 };
1822
1823 static const struct data_queue_desc rt2500usb_queue_atim = {
1824         .entry_num              = ATIM_ENTRIES,
1825         .data_size              = DATA_FRAME_SIZE,
1826         .desc_size              = TXD_DESC_SIZE,
1827         .priv_size              = sizeof(struct queue_entry_priv_usb_tx),
1828 };
1829
1830 static const struct rt2x00_ops rt2500usb_ops = {
1831         .name           = KBUILD_MODNAME,
1832         .max_sta_intf   = 1,
1833         .max_ap_intf    = 1,
1834         .eeprom_size    = EEPROM_SIZE,
1835         .rf_size        = RF_SIZE,
1836         .rx             = &rt2500usb_queue_rx,
1837         .tx             = &rt2500usb_queue_tx,
1838         .bcn            = &rt2500usb_queue_bcn,
1839         .atim           = &rt2500usb_queue_atim,
1840         .lib            = &rt2500usb_rt2x00_ops,
1841         .hw             = &rt2500usb_mac80211_ops,
1842 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
1843         .debugfs        = &rt2500usb_rt2x00debug,
1844 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
1845 };
1846
1847 /*
1848  * rt2500usb module information.
1849  */
1850 static struct usb_device_id rt2500usb_device_table[] = {
1851         /* ASUS */
1852         { USB_DEVICE(0x0b05, 0x1706), USB_DEVICE_DATA(&rt2500usb_ops) },
1853         { USB_DEVICE(0x0b05, 0x1707), USB_DEVICE_DATA(&rt2500usb_ops) },
1854         /* Belkin */
1855         { USB_DEVICE(0x050d, 0x7050), USB_DEVICE_DATA(&rt2500usb_ops) },
1856         { USB_DEVICE(0x050d, 0x7051), USB_DEVICE_DATA(&rt2500usb_ops) },
1857         { USB_DEVICE(0x050d, 0x705a), USB_DEVICE_DATA(&rt2500usb_ops) },
1858         /* Cisco Systems */
1859         { USB_DEVICE(0x13b1, 0x000d), USB_DEVICE_DATA(&rt2500usb_ops) },
1860         { USB_DEVICE(0x13b1, 0x0011), USB_DEVICE_DATA(&rt2500usb_ops) },
1861         { USB_DEVICE(0x13b1, 0x001a), USB_DEVICE_DATA(&rt2500usb_ops) },
1862         /* Conceptronic */
1863         { USB_DEVICE(0x14b2, 0x3c02), USB_DEVICE_DATA(&rt2500usb_ops) },
1864         /* D-LINK */
1865         { USB_DEVICE(0x2001, 0x3c00), USB_DEVICE_DATA(&rt2500usb_ops) },
1866         /* Gigabyte */
1867         { USB_DEVICE(0x1044, 0x8001), USB_DEVICE_DATA(&rt2500usb_ops) },
1868         { USB_DEVICE(0x1044, 0x8007), USB_DEVICE_DATA(&rt2500usb_ops) },
1869         /* Hercules */
1870         { USB_DEVICE(0x06f8, 0xe000), USB_DEVICE_DATA(&rt2500usb_ops) },
1871         /* Melco */
1872         { USB_DEVICE(0x0411, 0x005e), USB_DEVICE_DATA(&rt2500usb_ops) },
1873         { USB_DEVICE(0x0411, 0x0066), USB_DEVICE_DATA(&rt2500usb_ops) },
1874         { USB_DEVICE(0x0411, 0x0067), USB_DEVICE_DATA(&rt2500usb_ops) },
1875         { USB_DEVICE(0x0411, 0x008b), USB_DEVICE_DATA(&rt2500usb_ops) },
1876         { USB_DEVICE(0x0411, 0x0097), USB_DEVICE_DATA(&rt2500usb_ops) },
1877         /* MSI */
1878         { USB_DEVICE(0x0db0, 0x6861), USB_DEVICE_DATA(&rt2500usb_ops) },
1879         { USB_DEVICE(0x0db0, 0x6865), USB_DEVICE_DATA(&rt2500usb_ops) },
1880         { USB_DEVICE(0x0db0, 0x6869), USB_DEVICE_DATA(&rt2500usb_ops) },
1881         /* Ralink */
1882         { USB_DEVICE(0x148f, 0x1706), USB_DEVICE_DATA(&rt2500usb_ops) },
1883         { USB_DEVICE(0x148f, 0x2570), USB_DEVICE_DATA(&rt2500usb_ops) },
1884         { USB_DEVICE(0x148f, 0x2573), USB_DEVICE_DATA(&rt2500usb_ops) },
1885         { USB_DEVICE(0x148f, 0x9020), USB_DEVICE_DATA(&rt2500usb_ops) },
1886         /* Siemens */
1887         { USB_DEVICE(0x0681, 0x3c06), USB_DEVICE_DATA(&rt2500usb_ops) },
1888         /* SMC */
1889         { USB_DEVICE(0x0707, 0xee13), USB_DEVICE_DATA(&rt2500usb_ops) },
1890         /* Spairon */
1891         { USB_DEVICE(0x114b, 0x0110), USB_DEVICE_DATA(&rt2500usb_ops) },
1892         /* Trust */
1893         { USB_DEVICE(0x0eb0, 0x9020), USB_DEVICE_DATA(&rt2500usb_ops) },
1894         /* Zinwell */
1895         { USB_DEVICE(0x5a57, 0x0260), USB_DEVICE_DATA(&rt2500usb_ops) },
1896         { 0, }
1897 };
1898
1899 MODULE_AUTHOR(DRV_PROJECT);
1900 MODULE_VERSION(DRV_VERSION);
1901 MODULE_DESCRIPTION("Ralink RT2500 USB Wireless LAN driver.");
1902 MODULE_SUPPORTED_DEVICE("Ralink RT2570 USB chipset based cards");
1903 MODULE_DEVICE_TABLE(usb, rt2500usb_device_table);
1904 MODULE_LICENSE("GPL");
1905
1906 static struct usb_driver rt2500usb_driver = {
1907         .name           = KBUILD_MODNAME,
1908         .id_table       = rt2500usb_device_table,
1909         .probe          = rt2x00usb_probe,
1910         .disconnect     = rt2x00usb_disconnect,
1911         .suspend        = rt2x00usb_suspend,
1912         .resume         = rt2x00usb_resume,
1913 };
1914
1915 static int __init rt2500usb_init(void)
1916 {
1917         return usb_register(&rt2500usb_driver);
1918 }
1919
1920 static void __exit rt2500usb_exit(void)
1921 {
1922         usb_deregister(&rt2500usb_driver);
1923 }
1924
1925 module_init(rt2500usb_init);
1926 module_exit(rt2500usb_exit);