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_led_brightness(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         unsigned int activity =
 293             led->rt2x00dev->led_flags & LED_SUPPORT_ACTIVITY;
 294
 295         if (in_atomic()) {
 296                 NOTICE(led->rt2x00dev,
 297                        "Ignoring LED brightness command for led %d\n",
 298                        led->type);
 299                 return;
 300         }
 301
 302         if (led->type == LED_TYPE_RADIO || led->type == LED_TYPE_ASSOC) {
 303                 rt2x00_set_field16(&led->rt2x00dev->led_mcu_reg,
 304                                    MAC_CSR20_LINK, enabled);
 305                 rt2x00_set_field16(&led->rt2x00dev->led_mcu_reg,
 306                                    MAC_CSR20_ACTIVITY, enabled && activity);
 307         }
 308
 309         rt2500usb_register_write(led->rt2x00dev, MAC_CSR20,
 310                                  led->rt2x00dev->led_mcu_reg);
 311 }
 312 #else
 313 #define rt2500usb_led_brightness        NULL
 314 #endif /* CONFIG_RT2500USB_LEDS */
 315
 316 /*
 317  * Configuration handlers.
 318  */
 319 static void rt2500usb_config_filter(struct rt2x00_dev *rt2x00dev,
 320                                     const unsigned int filter_flags)
 321 {
 322         u16 reg;
 323
 324         /*
 325          * Start configuration steps.
 326          * Note that the version error will always be dropped
 327          * and broadcast frames will always be accepted since
 328          * there is no filter for it at this time.
 329          */
 330         rt2500usb_register_read(rt2x00dev, TXRX_CSR2, &reg);
 331         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_CRC,
 332                            !(filter_flags & FIF_FCSFAIL));
 333         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_PHYSICAL,
 334                            !(filter_flags & FIF_PLCPFAIL));
 335         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_CONTROL,
 336                            !(filter_flags & FIF_CONTROL));
 337         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_NOT_TO_ME,
 338                            !(filter_flags & FIF_PROMISC_IN_BSS));
 339         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_TODS,
 340                            !(filter_flags & FIF_PROMISC_IN_BSS));
 341         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_VERSION_ERROR, 1);
 342         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_MULTICAST,
 343                            !(filter_flags & FIF_ALLMULTI));
 344         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_BROADCAST, 0);
 345         rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg);
 346 }
 347
 348 static void rt2500usb_config_intf(struct rt2x00_dev *rt2x00dev,
 349                                   struct rt2x00_intf *intf,
 350                                   struct rt2x00intf_conf *conf,
 351                                   const unsigned int flags)
 352 {
 353         unsigned int bcn_preload;
 354         u16 reg;
 355
 356         if (flags & CONFIG_UPDATE_TYPE) {
 357                 /*
 358                  * Enable beacon config
 359                  */
 360                 bcn_preload = PREAMBLE + get_duration(IEEE80211_HEADER, 20);
 361                 rt2500usb_register_read(rt2x00dev, TXRX_CSR20, &reg);
 362                 rt2x00_set_field16(&reg, TXRX_CSR20_OFFSET, bcn_preload >> 6);
 363                 rt2x00_set_field16(&reg, TXRX_CSR20_BCN_EXPECT_WINDOW,
 364                                    2 * (conf->type != IEEE80211_IF_TYPE_STA));
 365                 rt2500usb_register_write(rt2x00dev, TXRX_CSR20, reg);
 366
 367                 /*
 368                  * Enable synchronisation.
 369                  */
 370                 rt2500usb_register_read(rt2x00dev, TXRX_CSR18, &reg);
 371                 rt2x00_set_field16(&reg, TXRX_CSR18_OFFSET, 0);
 372                 rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg);
 373
 374                 rt2500usb_register_read(rt2x00dev, TXRX_CSR19, &reg);
 375                 rt2x00_set_field16(&reg, TXRX_CSR19_TSF_COUNT, 1);
 376                 rt2x00_set_field16(&reg, TXRX_CSR19_TSF_SYNC, conf->sync);
 377                 rt2x00_set_field16(&reg, TXRX_CSR19_TBCN, 1);
 378                 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
 379         }
 380
 381         if (flags & CONFIG_UPDATE_MAC)
 382                 rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR2, conf->mac,
 383                                               (3 * sizeof(__le16)));
 384
 385         if (flags & CONFIG_UPDATE_BSSID)
 386                 rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR5, conf->bssid,
 387                                               (3 * sizeof(__le16)));
 388 }
 389
 390 static void rt2500usb_config_erp(struct rt2x00_dev *rt2x00dev,
 391                                  struct rt2x00lib_erp *erp)
 392 {
 393         u16 reg;
 394
 395         rt2500usb_register_read(rt2x00dev, TXRX_CSR1, &reg);
 396         rt2x00_set_field16(&reg, TXRX_CSR1_ACK_TIMEOUT, erp->ack_timeout);
 397         rt2500usb_register_write(rt2x00dev, TXRX_CSR1, reg);
 398
 399         rt2500usb_register_read(rt2x00dev, TXRX_CSR10, &reg);
 400         rt2x00_set_field16(&reg, TXRX_CSR10_AUTORESPOND_PREAMBLE,
 401                            !!erp->short_preamble);
 402         rt2500usb_register_write(rt2x00dev, TXRX_CSR10, reg);
 403 }
 404
 405 static void rt2500usb_config_phymode(struct rt2x00_dev *rt2x00dev,
 406                                      const int basic_rate_mask)
 407 {
 408         rt2500usb_register_write(rt2x00dev, TXRX_CSR11, basic_rate_mask);
 409 }
 410
 411 static void rt2500usb_config_channel(struct rt2x00_dev *rt2x00dev,
 412                                      struct rf_channel *rf, const int txpower)
 413 {
 414         /*
 415          * Set TXpower.
 416          */
 417         rt2x00_set_field32(&rf->rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
 418
 419         /*
 420          * For RT2525E we should first set the channel to half band higher.
 421          */
 422         if (rt2x00_rf(&rt2x00dev->chip, RF2525E)) {
 423                 static const u32 vals[] = {
 424                         0x000008aa, 0x000008ae, 0x000008ae, 0x000008b2,
 425                         0x000008b2, 0x000008b6, 0x000008b6, 0x000008ba,
 426                         0x000008ba, 0x000008be, 0x000008b7, 0x00000902,
 427                         0x00000902, 0x00000906
 428                 };
 429
 430                 rt2500usb_rf_write(rt2x00dev, 2, vals[rf->channel - 1]);
 431                 if (rf->rf4)
 432                         rt2500usb_rf_write(rt2x00dev, 4, rf->rf4);
 433         }
 434
 435         rt2500usb_rf_write(rt2x00dev, 1, rf->rf1);
 436         rt2500usb_rf_write(rt2x00dev, 2, rf->rf2);
 437         rt2500usb_rf_write(rt2x00dev, 3, rf->rf3);
 438         if (rf->rf4)
 439                 rt2500usb_rf_write(rt2x00dev, 4, rf->rf4);
 440 }
 441
 442 static void rt2500usb_config_txpower(struct rt2x00_dev *rt2x00dev,
 443                                      const int txpower)
 444 {
 445         u32 rf3;
 446
 447         rt2x00_rf_read(rt2x00dev, 3, &rf3);
 448         rt2x00_set_field32(&rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
 449         rt2500usb_rf_write(rt2x00dev, 3, rf3);
 450 }
 451
 452 static void rt2500usb_config_antenna(struct rt2x00_dev *rt2x00dev,
 453                                      struct antenna_setup *ant)
 454 {
 455         u8 r2;
 456         u8 r14;
 457         u16 csr5;
 458         u16 csr6;
 459
 460         /*
 461          * We should never come here because rt2x00lib is supposed
 462          * to catch this and send us the correct antenna explicitely.
 463          */
 464         BUG_ON(ant->rx == ANTENNA_SW_DIVERSITY ||
 465                ant->tx == ANTENNA_SW_DIVERSITY);
 466
 467         rt2500usb_bbp_read(rt2x00dev, 2, &r2);
 468         rt2500usb_bbp_read(rt2x00dev, 14, &r14);
 469         rt2500usb_register_read(rt2x00dev, PHY_CSR5, &csr5);
 470         rt2500usb_register_read(rt2x00dev, PHY_CSR6, &csr6);
 471
 472         /*
 473          * Configure the TX antenna.
 474          */
 475         switch (ant->tx) {
 476         case ANTENNA_HW_DIVERSITY:
 477                 rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 1);
 478                 rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 1);
 479                 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 1);
 480                 break;
 481         case ANTENNA_A:
 482                 rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 0);
 483                 rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 0);
 484                 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 0);
 485                 break;
 486         case ANTENNA_B:
 487         default:
 488                 rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 2);
 489                 rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 2);
 490                 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 2);
 491                 break;
 492         }
 493
 494         /*
 495          * Configure the RX antenna.
 496          */
 497         switch (ant->rx) {
 498         case ANTENNA_HW_DIVERSITY:
 499                 rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 1);
 500                 break;
 501         case ANTENNA_A:
 502                 rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 0);
 503                 break;
 504         case ANTENNA_B:
 505         default:
 506                 rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 2);
 507                 break;
 508         }
 509
 510         /*
 511          * RT2525E and RT5222 need to flip TX I/Q
 512          */
 513         if (rt2x00_rf(&rt2x00dev->chip, RF2525E) ||
 514             rt2x00_rf(&rt2x00dev->chip, RF5222)) {
 515                 rt2x00_set_field8(&r2, BBP_R2_TX_IQ_FLIP, 1);
 516                 rt2x00_set_field16(&csr5, PHY_CSR5_CCK_FLIP, 1);
 517                 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM_FLIP, 1);
 518
 519                 /*
 520                  * RT2525E does not need RX I/Q Flip.
 521                  */
 522                 if (rt2x00_rf(&rt2x00dev->chip, RF2525E))
 523                         rt2x00_set_field8(&r14, BBP_R14_RX_IQ_FLIP, 0);
 524         } else {
 525                 rt2x00_set_field16(&csr5, PHY_CSR5_CCK_FLIP, 0);
 526                 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM_FLIP, 0);
 527         }
 528
 529         rt2500usb_bbp_write(rt2x00dev, 2, r2);
 530         rt2500usb_bbp_write(rt2x00dev, 14, r14);
 531         rt2500usb_register_write(rt2x00dev, PHY_CSR5, csr5);
 532         rt2500usb_register_write(rt2x00dev, PHY_CSR6, csr6);
 533 }
 534
 535 static void rt2500usb_config_duration(struct rt2x00_dev *rt2x00dev,
 536                                       struct rt2x00lib_conf *libconf)
 537 {
 538         u16 reg;
 539
 540         rt2500usb_register_write(rt2x00dev, MAC_CSR10, libconf->slot_time);
 541         rt2500usb_register_write(rt2x00dev, MAC_CSR11, libconf->sifs);
 542         rt2500usb_register_write(rt2x00dev, MAC_CSR12, libconf->eifs);
 543
 544         rt2500usb_register_read(rt2x00dev, TXRX_CSR18, &reg);
 545         rt2x00_set_field16(&reg, TXRX_CSR18_INTERVAL,
 546                            libconf->conf->beacon_int * 4);
 547         rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg);
 548 }
 549
 550 static void rt2500usb_config(struct rt2x00_dev *rt2x00dev,
 551                              struct rt2x00lib_conf *libconf,
 552                              const unsigned int flags)
 553 {
 554         if (flags & CONFIG_UPDATE_PHYMODE)
 555                 rt2500usb_config_phymode(rt2x00dev, libconf->basic_rates);
 556         if (flags & CONFIG_UPDATE_CHANNEL)
 557                 rt2500usb_config_channel(rt2x00dev, &libconf->rf,
 558                                          libconf->conf->power_level);
 559         if ((flags & CONFIG_UPDATE_TXPOWER) && !(flags & CONFIG_UPDATE_CHANNEL))
 560                 rt2500usb_config_txpower(rt2x00dev,
 561                                          libconf->conf->power_level);
 562         if (flags & CONFIG_UPDATE_ANTENNA)
 563                 rt2500usb_config_antenna(rt2x00dev, &libconf->ant);
 564         if (flags & (CONFIG_UPDATE_SLOT_TIME | CONFIG_UPDATE_BEACON_INT))
 565                 rt2500usb_config_duration(rt2x00dev, libconf);
 566 }
 567
 568 /*
 569  * Link tuning
 570  */
 571 static void rt2500usb_link_stats(struct rt2x00_dev *rt2x00dev,
 572                                  struct link_qual *qual)
 573 {
 574         u16 reg;
 575
 576         /*
 577          * Update FCS error count from register.
 578          */
 579         rt2500usb_register_read(rt2x00dev, STA_CSR0, &reg);
 580         qual->rx_failed = rt2x00_get_field16(reg, STA_CSR0_FCS_ERROR);
 581
 582         /*
 583          * Update False CCA count from register.
 584          */
 585         rt2500usb_register_read(rt2x00dev, STA_CSR3, &reg);
 586         qual->false_cca = rt2x00_get_field16(reg, STA_CSR3_FALSE_CCA_ERROR);
 587 }
 588
 589 static void rt2500usb_reset_tuner(struct rt2x00_dev *rt2x00dev)
 590 {
 591         u16 eeprom;
 592         u16 value;
 593
 594         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &eeprom);
 595         value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R24_LOW);
 596         rt2500usb_bbp_write(rt2x00dev, 24, value);
 597
 598         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &eeprom);
 599         value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R25_LOW);
 600         rt2500usb_bbp_write(rt2x00dev, 25, value);
 601
 602         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &eeprom);
 603         value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R61_LOW);
 604         rt2500usb_bbp_write(rt2x00dev, 61, value);
 605
 606         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &eeprom);
 607         value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_VGCUPPER);
 608         rt2500usb_bbp_write(rt2x00dev, 17, value);
 609
 610         rt2x00dev->link.vgc_level = value;
 611 }
 612
 613 static void rt2500usb_link_tuner(struct rt2x00_dev *rt2x00dev)
 614 {
 615         int rssi = rt2x00_get_link_rssi(&rt2x00dev->link);
 616         u16 bbp_thresh;
 617         u16 vgc_bound;
 618         u16 sens;
 619         u16 r24;
 620         u16 r25;
 621         u16 r61;
 622         u16 r17_sens;
 623         u8 r17;
 624         u8 up_bound;
 625         u8 low_bound;
 626
 627         /*
 628          * Read current r17 value, as well as the sensitivity values
 629          * for the r17 register.
 630          */
 631         rt2500usb_bbp_read(rt2x00dev, 17, &r17);
 632         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R17, &r17_sens);
 633
 634         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &vgc_bound);
 635         up_bound = rt2x00_get_field16(vgc_bound, EEPROM_BBPTUNE_VGCUPPER);
 636         low_bound = rt2x00_get_field16(vgc_bound, EEPROM_BBPTUNE_VGCLOWER);
 637
 638         /*
 639          * If we are not associated, we should go straight to the
 640          * dynamic CCA tuning.
 641          */
 642         if (!rt2x00dev->intf_associated)
 643                 goto dynamic_cca_tune;
 644
 645         /*
 646          * Determine the BBP tuning threshold and correctly
 647          * set BBP 24, 25 and 61.
 648          */
 649         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE, &bbp_thresh);
 650         bbp_thresh = rt2x00_get_field16(bbp_thresh, EEPROM_BBPTUNE_THRESHOLD);
 651
 652         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &r24);
 653         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &r25);
 654         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &r61);
 655
 656         if ((rssi + bbp_thresh) > 0) {
 657                 r24 = rt2x00_get_field16(r24, EEPROM_BBPTUNE_R24_HIGH);
 658                 r25 = rt2x00_get_field16(r25, EEPROM_BBPTUNE_R25_HIGH);
 659                 r61 = rt2x00_get_field16(r61, EEPROM_BBPTUNE_R61_HIGH);
 660         } else {
 661                 r24 = rt2x00_get_field16(r24, EEPROM_BBPTUNE_R24_LOW);
 662                 r25 = rt2x00_get_field16(r25, EEPROM_BBPTUNE_R25_LOW);
 663                 r61 = rt2x00_get_field16(r61, EEPROM_BBPTUNE_R61_LOW);
 664         }
 665
 666         rt2500usb_bbp_write(rt2x00dev, 24, r24);
 667         rt2500usb_bbp_write(rt2x00dev, 25, r25);
 668         rt2500usb_bbp_write(rt2x00dev, 61, r61);
 669
 670         /*
 671          * A too low RSSI will cause too much false CCA which will
 672          * then corrupt the R17 tuning. To remidy this the tuning should
 673          * be stopped (While making sure the R17 value will not exceed limits)
 674          */
 675         if (rssi >= -40) {
 676                 if (r17 != 0x60)
 677                         rt2500usb_bbp_write(rt2x00dev, 17, 0x60);
 678                 return;
 679         }
 680
 681         /*
 682          * Special big-R17 for short distance
 683          */
 684         if (rssi >= -58) {
 685                 sens = rt2x00_get_field16(r17_sens, EEPROM_BBPTUNE_R17_LOW);
 686                 if (r17 != sens)
 687                         rt2500usb_bbp_write(rt2x00dev, 17, sens);
 688                 return;
 689         }
 690
 691         /*
 692          * Special mid-R17 for middle distance
 693          */
 694         if (rssi >= -74) {
 695                 sens = rt2x00_get_field16(r17_sens, EEPROM_BBPTUNE_R17_HIGH);
 696                 if (r17 != sens)
 697                         rt2500usb_bbp_write(rt2x00dev, 17, sens);
 698                 return;
 699         }
 700
 701         /*
 702          * Leave short or middle distance condition, restore r17
 703          * to the dynamic tuning range.
 704          */
 705         low_bound = 0x32;
 706         if (rssi < -77)
 707                 up_bound -= (-77 - rssi);
 708
 709         if (up_bound < low_bound)
 710                 up_bound = low_bound;
 711
 712         if (r17 > up_bound) {
 713                 rt2500usb_bbp_write(rt2x00dev, 17, up_bound);
 714                 rt2x00dev->link.vgc_level = up_bound;
 715                 return;
 716         }
 717
 718 dynamic_cca_tune:
 719
 720         /*
 721          * R17 is inside the dynamic tuning range,
 722          * start tuning the link based on the false cca counter.
 723          */
 724         if (rt2x00dev->link.qual.false_cca > 512 && r17 < up_bound) {
 725                 rt2500usb_bbp_write(rt2x00dev, 17, ++r17);
 726                 rt2x00dev->link.vgc_level = r17;
 727         } else if (rt2x00dev->link.qual.false_cca < 100 && r17 > low_bound) {
 728                 rt2500usb_bbp_write(rt2x00dev, 17, --r17);
 729                 rt2x00dev->link.vgc_level = r17;
 730         }
 731 }
 732
 733 /*
 734  * Initialization functions.
 735  */
 736 static int rt2500usb_init_registers(struct rt2x00_dev *rt2x00dev)
 737 {
 738         u16 reg;
 739
 740         rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0x0001,
 741                                     USB_MODE_TEST, REGISTER_TIMEOUT);
 742         rt2x00usb_vendor_request_sw(rt2x00dev, USB_SINGLE_WRITE, 0x0308,
 743                                     0x00f0, REGISTER_TIMEOUT);
 744
 745         rt2500usb_register_read(rt2x00dev, TXRX_CSR2, &reg);
 746         rt2x00_set_field16(&reg, TXRX_CSR2_DISABLE_RX, 1);
 747         rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg);
 748
 749         rt2500usb_register_write(rt2x00dev, MAC_CSR13, 0x1111);
 750         rt2500usb_register_write(rt2x00dev, MAC_CSR14, 0x1e11);
 751
 752         rt2500usb_register_read(rt2x00dev, MAC_CSR1, &reg);
 753         rt2x00_set_field16(&reg, MAC_CSR1_SOFT_RESET, 1);
 754         rt2x00_set_field16(&reg, MAC_CSR1_BBP_RESET, 1);
 755         rt2x00_set_field16(&reg, MAC_CSR1_HOST_READY, 0);
 756         rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg);
 757
 758         rt2500usb_register_read(rt2x00dev, MAC_CSR1, &reg);
 759         rt2x00_set_field16(&reg, MAC_CSR1_SOFT_RESET, 0);
 760         rt2x00_set_field16(&reg, MAC_CSR1_BBP_RESET, 0);
 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_CSR21, &reg);
 765         rt2x00_set_field16(&reg, MAC_CSR21_ON_PERIOD, 70);
 766         rt2x00_set_field16(&reg, MAC_CSR21_OFF_PERIOD, 30);
 767         rt2500usb_register_write(rt2x00dev, MAC_CSR21, reg);
 768
 769         rt2500usb_register_read(rt2x00dev, TXRX_CSR5, &reg);
 770         rt2x00_set_field16(&reg, TXRX_CSR5_BBP_ID0, 13);
 771         rt2x00_set_field16(&reg, TXRX_CSR5_BBP_ID0_VALID, 1);
 772         rt2x00_set_field16(&reg, TXRX_CSR5_BBP_ID1, 12);
 773         rt2x00_set_field16(&reg, TXRX_CSR5_BBP_ID1_VALID, 1);
 774         rt2500usb_register_write(rt2x00dev, TXRX_CSR5, reg);
 775
 776         rt2500usb_register_read(rt2x00dev, TXRX_CSR6, &reg);
 777         rt2x00_set_field16(&reg, TXRX_CSR6_BBP_ID0, 10);
 778         rt2x00_set_field16(&reg, TXRX_CSR6_BBP_ID0_VALID, 1);
 779         rt2x00_set_field16(&reg, TXRX_CSR6_BBP_ID1, 11);
 780         rt2x00_set_field16(&reg, TXRX_CSR6_BBP_ID1_VALID, 1);
 781         rt2500usb_register_write(rt2x00dev, TXRX_CSR6, reg);
 782
 783         rt2500usb_register_read(rt2x00dev, TXRX_CSR7, &reg);
 784         rt2x00_set_field16(&reg, TXRX_CSR7_BBP_ID0, 7);
 785         rt2x00_set_field16(&reg, TXRX_CSR7_BBP_ID0_VALID, 1);
 786         rt2x00_set_field16(&reg, TXRX_CSR7_BBP_ID1, 6);
 787         rt2x00_set_field16(&reg, TXRX_CSR7_BBP_ID1_VALID, 1);
 788         rt2500usb_register_write(rt2x00dev, TXRX_CSR7, reg);
 789
 790         rt2500usb_register_read(rt2x00dev, TXRX_CSR8, &reg);
 791         rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID0, 5);
 792         rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID0_VALID, 1);
 793         rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID1, 0);
 794         rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID1_VALID, 0);
 795         rt2500usb_register_write(rt2x00dev, TXRX_CSR8, reg);
 796
 797         rt2500usb_register_write(rt2x00dev, TXRX_CSR21, 0xe78f);
 798         rt2500usb_register_write(rt2x00dev, MAC_CSR9, 0xff1d);
 799
 800         if (rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_AWAKE))
 801                 return -EBUSY;
 802
 803         rt2500usb_register_read(rt2x00dev, MAC_CSR1, &reg);
 804         rt2x00_set_field16(&reg, MAC_CSR1_SOFT_RESET, 0);
 805         rt2x00_set_field16(&reg, MAC_CSR1_BBP_RESET, 0);
 806         rt2x00_set_field16(&reg, MAC_CSR1_HOST_READY, 1);
 807         rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg);
 808
 809         if (rt2x00_rev(&rt2x00dev->chip) >= RT2570_VERSION_C) {
 810                 rt2500usb_register_read(rt2x00dev, PHY_CSR2, &reg);
 811                 rt2x00_set_field16(&reg, PHY_CSR2_LNA, 0);
 812         } else {
 813                 reg = 0;
 814                 rt2x00_set_field16(&reg, PHY_CSR2_LNA, 1);
 815                 rt2x00_set_field16(&reg, PHY_CSR2_LNA_MODE, 3);
 816         }
 817         rt2500usb_register_write(rt2x00dev, PHY_CSR2, reg);
 818
 819         rt2500usb_register_write(rt2x00dev, MAC_CSR11, 0x0002);
 820         rt2500usb_register_write(rt2x00dev, MAC_CSR22, 0x0053);
 821         rt2500usb_register_write(rt2x00dev, MAC_CSR15, 0x01ee);
 822         rt2500usb_register_write(rt2x00dev, MAC_CSR16, 0x0000);
 823
 824         rt2500usb_register_read(rt2x00dev, MAC_CSR8, &reg);
 825         rt2x00_set_field16(&reg, MAC_CSR8_MAX_FRAME_UNIT,
 826                            rt2x00dev->rx->data_size);
 827         rt2500usb_register_write(rt2x00dev, MAC_CSR8, reg);
 828
 829         rt2500usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
 830         rt2x00_set_field16(&reg, TXRX_CSR0_IV_OFFSET, IEEE80211_HEADER);
 831         rt2x00_set_field16(&reg, TXRX_CSR0_KEY_ID, 0xff);
 832         rt2500usb_register_write(rt2x00dev, TXRX_CSR0, reg);
 833
 834         rt2500usb_register_read(rt2x00dev, MAC_CSR18, &reg);
 835         rt2x00_set_field16(&reg, MAC_CSR18_DELAY_AFTER_BEACON, 90);
 836         rt2500usb_register_write(rt2x00dev, MAC_CSR18, reg);
 837
 838         rt2500usb_register_read(rt2x00dev, PHY_CSR4, &reg);
 839         rt2x00_set_field16(&reg, PHY_CSR4_LOW_RF_LE, 1);
 840         rt2500usb_register_write(rt2x00dev, PHY_CSR4, reg);
 841
 842         rt2500usb_register_read(rt2x00dev, TXRX_CSR1, &reg);
 843         rt2x00_set_field16(&reg, TXRX_CSR1_AUTO_SEQUENCE, 1);
 844         rt2500usb_register_write(rt2x00dev, TXRX_CSR1, reg);
 845
 846         return 0;
 847 }
 848
 849 static int rt2500usb_init_bbp(struct rt2x00_dev *rt2x00dev)
 850 {
 851         unsigned int i;
 852         u16 eeprom;
 853         u8 value;
 854         u8 reg_id;
 855
 856         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
 857                 rt2500usb_bbp_read(rt2x00dev, 0, &value);
 858                 if ((value != 0xff) && (value != 0x00))
 859                         goto continue_csr_init;
 860                 NOTICE(rt2x00dev, "Waiting for BBP register.\n");
 861                 udelay(REGISTER_BUSY_DELAY);
 862         }
 863
 864         ERROR(rt2x00dev, "BBP register access failed, aborting.\n");
 865         return -EACCES;
 866
 867 continue_csr_init:
 868         rt2500usb_bbp_write(rt2x00dev, 3, 0x02);
 869         rt2500usb_bbp_write(rt2x00dev, 4, 0x19);
 870         rt2500usb_bbp_write(rt2x00dev, 14, 0x1c);
 871         rt2500usb_bbp_write(rt2x00dev, 15, 0x30);
 872         rt2500usb_bbp_write(rt2x00dev, 16, 0xac);
 873         rt2500usb_bbp_write(rt2x00dev, 18, 0x18);
 874         rt2500usb_bbp_write(rt2x00dev, 19, 0xff);
 875         rt2500usb_bbp_write(rt2x00dev, 20, 0x1e);
 876         rt2500usb_bbp_write(rt2x00dev, 21, 0x08);
 877         rt2500usb_bbp_write(rt2x00dev, 22, 0x08);
 878         rt2500usb_bbp_write(rt2x00dev, 23, 0x08);
 879         rt2500usb_bbp_write(rt2x00dev, 24, 0x80);
 880         rt2500usb_bbp_write(rt2x00dev, 25, 0x50);
 881         rt2500usb_bbp_write(rt2x00dev, 26, 0x08);
 882         rt2500usb_bbp_write(rt2x00dev, 27, 0x23);
 883         rt2500usb_bbp_write(rt2x00dev, 30, 0x10);
 884         rt2500usb_bbp_write(rt2x00dev, 31, 0x2b);
 885         rt2500usb_bbp_write(rt2x00dev, 32, 0xb9);
 886         rt2500usb_bbp_write(rt2x00dev, 34, 0x12);
 887         rt2500usb_bbp_write(rt2x00dev, 35, 0x50);
 888         rt2500usb_bbp_write(rt2x00dev, 39, 0xc4);
 889         rt2500usb_bbp_write(rt2x00dev, 40, 0x02);
 890         rt2500usb_bbp_write(rt2x00dev, 41, 0x60);
 891         rt2500usb_bbp_write(rt2x00dev, 53, 0x10);
 892         rt2500usb_bbp_write(rt2x00dev, 54, 0x18);
 893         rt2500usb_bbp_write(rt2x00dev, 56, 0x08);
 894         rt2500usb_bbp_write(rt2x00dev, 57, 0x10);
 895         rt2500usb_bbp_write(rt2x00dev, 58, 0x08);
 896         rt2500usb_bbp_write(rt2x00dev, 61, 0x60);
 897         rt2500usb_bbp_write(rt2x00dev, 62, 0x10);
 898         rt2500usb_bbp_write(rt2x00dev, 75, 0xff);
 899
 900         for (i = 0; i < EEPROM_BBP_SIZE; i++) {
 901                 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
 902
 903                 if (eeprom != 0xffff && eeprom != 0x0000) {
 904                         reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
 905                         value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
 906                         rt2500usb_bbp_write(rt2x00dev, reg_id, value);
 907                 }
 908         }
 909
 910         return 0;
 911 }
 912
 913 /*
 914  * Device state switch handlers.
 915  */
 916 static void rt2500usb_toggle_rx(struct rt2x00_dev *rt2x00dev,
 917                                 enum dev_state state)
 918 {
 919         u16 reg;
 920
 921         rt2500usb_register_read(rt2x00dev, TXRX_CSR2, &reg);
 922         rt2x00_set_field16(&reg, TXRX_CSR2_DISABLE_RX,
 923                            state == STATE_RADIO_RX_OFF);
 924         rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg);
 925 }
 926
 927 static int rt2500usb_enable_radio(struct rt2x00_dev *rt2x00dev)
 928 {
 929         /*
 930          * Initialize all registers.
 931          */
 932         if (rt2500usb_init_registers(rt2x00dev) ||
 933             rt2500usb_init_bbp(rt2x00dev)) {
 934                 ERROR(rt2x00dev, "Register initialization failed.\n");
 935                 return -EIO;
 936         }
 937
 938         return 0;
 939 }
 940
 941 static void rt2500usb_disable_radio(struct rt2x00_dev *rt2x00dev)
 942 {
 943         rt2500usb_register_write(rt2x00dev, MAC_CSR13, 0x2121);
 944         rt2500usb_register_write(rt2x00dev, MAC_CSR14, 0x2121);
 945
 946         /*
 947          * Disable synchronisation.
 948          */
 949         rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0);
 950
 951         rt2x00usb_disable_radio(rt2x00dev);
 952 }
 953
 954 static int rt2500usb_set_state(struct rt2x00_dev *rt2x00dev,
 955                                enum dev_state state)
 956 {
 957         u16 reg;
 958         u16 reg2;
 959         unsigned int i;
 960         char put_to_sleep;
 961         char bbp_state;
 962         char rf_state;
 963
 964         put_to_sleep = (state != STATE_AWAKE);
 965
 966         reg = 0;
 967         rt2x00_set_field16(&reg, MAC_CSR17_BBP_DESIRE_STATE, state);
 968         rt2x00_set_field16(&reg, MAC_CSR17_RF_DESIRE_STATE, state);
 969         rt2x00_set_field16(&reg, MAC_CSR17_PUT_TO_SLEEP, put_to_sleep);
 970         rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg);
 971         rt2x00_set_field16(&reg, MAC_CSR17_SET_STATE, 1);
 972         rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg);
 973
 974         /*
 975          * Device is not guaranteed to be in the requested state yet.
 976          * We must wait until the register indicates that the
 977          * device has entered the correct state.
 978          */
 979         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
 980                 rt2500usb_register_read(rt2x00dev, MAC_CSR17, &reg2);
 981                 bbp_state = rt2x00_get_field16(reg2, MAC_CSR17_BBP_CURR_STATE);
 982                 rf_state = rt2x00_get_field16(reg2, MAC_CSR17_RF_CURR_STATE);
 983                 if (bbp_state == state && rf_state == state)
 984                         return 0;
 985                 rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg);
 986                 msleep(30);
 987         }
 988
 989         NOTICE(rt2x00dev, "Device failed to enter state %d, "
 990                "current device state: bbp %d and rf %d.\n",
 991                state, bbp_state, rf_state);
 992
 993         return -EBUSY;
 994 }
 995
 996 static int rt2500usb_set_device_state(struct rt2x00_dev *rt2x00dev,
 997                                       enum dev_state state)
 998 {
 999         int retval = 0;
1000
1001         switch (state) {
1002         case STATE_RADIO_ON:
1003                 retval = rt2500usb_enable_radio(rt2x00dev);
1004                 break;
1005         case STATE_RADIO_OFF:
1006                 rt2500usb_disable_radio(rt2x00dev);
1007                 break;
1008         case STATE_RADIO_RX_ON:
1009         case STATE_RADIO_RX_ON_LINK:
1010                 rt2500usb_toggle_rx(rt2x00dev, STATE_RADIO_RX_ON);
1011                 break;
1012         case STATE_RADIO_RX_OFF:
1013         case STATE_RADIO_RX_OFF_LINK:
1014                 rt2500usb_toggle_rx(rt2x00dev, STATE_RADIO_RX_OFF);
1015                 break;
1016         case STATE_DEEP_SLEEP:
1017         case STATE_SLEEP:
1018         case STATE_STANDBY:
1019         case STATE_AWAKE:
1020                 retval = rt2500usb_set_state(rt2x00dev, state);
1021                 break;
1022         default:
1023                 retval = -ENOTSUPP;
1024                 break;
1025         }
1026
1027         return retval;
1028 }
1029
1030 /*
1031  * TX descriptor initialization
1032  */
1033 static void rt2500usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
1034                                     struct sk_buff *skb,
1035                                     struct txentry_desc *txdesc,
1036                                     struct ieee80211_tx_control *control)
1037 {
1038         struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
1039         __le32 *txd = skbdesc->desc;
1040         u32 word;
1041
1042         /*
1043          * Start writing the descriptor words.
1044          */
1045         rt2x00_desc_read(txd, 1, &word);
1046         rt2x00_set_field32(&word, TXD_W1_IV_OFFSET, IEEE80211_HEADER);
1047         rt2x00_set_field32(&word, TXD_W1_AIFS, txdesc->aifs);
1048         rt2x00_set_field32(&word, TXD_W1_CWMIN, txdesc->cw_min);
1049         rt2x00_set_field32(&word, TXD_W1_CWMAX, txdesc->cw_max);
1050         rt2x00_desc_write(txd, 1, word);
1051
1052         rt2x00_desc_read(txd, 2, &word);
1053         rt2x00_set_field32(&word, TXD_W2_PLCP_SIGNAL, txdesc->signal);
1054         rt2x00_set_field32(&word, TXD_W2_PLCP_SERVICE, txdesc->service);
1055         rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_LOW, txdesc->length_low);
1056         rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_HIGH, txdesc->length_high);
1057         rt2x00_desc_write(txd, 2, word);
1058
1059         rt2x00_desc_read(txd, 0, &word);
1060         rt2x00_set_field32(&word, TXD_W0_RETRY_LIMIT, control->retry_limit);
1061         rt2x00_set_field32(&word, TXD_W0_MORE_FRAG,
1062                            test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
1063         rt2x00_set_field32(&word, TXD_W0_ACK,
1064                            test_bit(ENTRY_TXD_ACK, &txdesc->flags));
1065         rt2x00_set_field32(&word, TXD_W0_TIMESTAMP,
1066                            test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
1067         rt2x00_set_field32(&word, TXD_W0_OFDM,
1068                            test_bit(ENTRY_TXD_OFDM_RATE, &txdesc->flags));
1069         rt2x00_set_field32(&word, TXD_W0_NEW_SEQ,
1070                            !!(control->flags & IEEE80211_TXCTL_FIRST_FRAGMENT));
1071         rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs);
1072         rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, skbdesc->data_len);
1073         rt2x00_set_field32(&word, TXD_W0_CIPHER, CIPHER_NONE);
1074         rt2x00_desc_write(txd, 0, word);
1075 }
1076
1077 static int rt2500usb_get_tx_data_len(struct rt2x00_dev *rt2x00dev,
1078                                      struct sk_buff *skb)
1079 {
1080         int length;
1081
1082         /*
1083          * The length _must_ be a multiple of 2,
1084          * but it must _not_ be a multiple of the USB packet size.
1085          */
1086         length = roundup(skb->len, 2);
1087         length += (2 * !(length % rt2x00dev->usb_maxpacket));
1088
1089         return length;
1090 }
1091
1092 /*
1093  * TX data initialization
1094  */
1095 static void rt2500usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
1096                                     const unsigned int queue)
1097 {
1098         u16 reg;
1099
1100         if (queue != RT2X00_BCN_QUEUE_BEACON)
1101                 return;
1102
1103         rt2500usb_register_read(rt2x00dev, TXRX_CSR19, &reg);
1104         if (!rt2x00_get_field16(reg, TXRX_CSR19_BEACON_GEN)) {
1105                 rt2x00_set_field16(&reg, TXRX_CSR19_TSF_COUNT, 1);
1106                 rt2x00_set_field16(&reg, TXRX_CSR19_TBCN, 1);
1107                 rt2x00_set_field16(&reg, TXRX_CSR19_BEACON_GEN, 1);
1108                 /*
1109                  * Beacon generation will fail initially.
1110                  * To prevent this we need to register the TXRX_CSR19
1111                  * register several times.
1112                  */
1113                 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
1114                 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0);
1115                 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
1116                 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0);
1117                 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
1118         }
1119 }
1120
1121 /*
1122  * RX control handlers
1123  */
1124 static void rt2500usb_fill_rxdone(struct queue_entry *entry,
1125                                   struct rxdone_entry_desc *rxdesc)
1126 {
1127         struct queue_entry_priv_usb_rx *priv_rx = entry->priv_data;
1128         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
1129         __le32 *rxd =
1130             (__le32 *)(entry->skb->data +
1131                        (priv_rx->urb->actual_length - entry->queue->desc_size));
1132         unsigned int offset = entry->queue->desc_size + 2;
1133         u32 word0;
1134         u32 word1;
1135
1136         /*
1137          * Copy descriptor to the available headroom inside the skbuffer.
1138          */
1139         skb_push(entry->skb, offset);
1140         memcpy(entry->skb->data, rxd, entry->queue->desc_size);
1141         rxd = (__le32 *)entry->skb->data;
1142
1143         /*
1144          * The descriptor is now aligned to 4 bytes and thus it is
1145          * now safe to read it on all architectures.
1146          */
1147         rt2x00_desc_read(rxd, 0, &word0);
1148         rt2x00_desc_read(rxd, 1, &word1);
1149
1150         rxdesc->flags = 0;
1151         if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR))
1152                 rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
1153         if (rt2x00_get_field32(word0, RXD_W0_PHYSICAL_ERROR))
1154                 rxdesc->flags |= RX_FLAG_FAILED_PLCP_CRC;
1155
1156         /*
1157          * Obtain the status about this packet.
1158          * When frame was received with an OFDM bitrate,
1159          * the signal is the PLCP value. If it was received with
1160          * a CCK bitrate the signal is the rate in 100kbit/s.
1161          */
1162         rxdesc->signal = rt2x00_get_field32(word1, RXD_W1_SIGNAL);
1163         rxdesc->rssi = rt2x00_get_field32(word1, RXD_W1_RSSI) -
1164             entry->queue->rt2x00dev->rssi_offset;
1165         rxdesc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT);
1166
1167         rxdesc->dev_flags = 0;
1168         if (rt2x00_get_field32(word0, RXD_W0_OFDM))
1169                 rxdesc->dev_flags |= RXDONE_SIGNAL_PLCP;
1170         if (rt2x00_get_field32(word0, RXD_W0_MY_BSS))
1171                 rxdesc->dev_flags |= RXDONE_MY_BSS;
1172
1173         /*
1174          * Adjust the skb memory window to the frame boundaries.
1175          */
1176         skb_pull(entry->skb, offset);
1177         skb_trim(entry->skb, rxdesc->size);
1178
1179         /*
1180          * Set descriptor and data pointer.
1181          */
1182         skbdesc->data = entry->skb->data;
1183         skbdesc->data_len = rxdesc->size;
1184         skbdesc->desc = rxd;
1185         skbdesc->desc_len = entry->queue->desc_size;
1186 }
1187
1188 /*
1189  * Interrupt functions.
1190  */
1191 static void rt2500usb_beacondone(struct urb *urb)
1192 {
1193         struct queue_entry *entry = (struct queue_entry *)urb->context;
1194         struct queue_entry_priv_usb_bcn *priv_bcn = entry->priv_data;
1195
1196         if (!test_bit(DEVICE_ENABLED_RADIO, &entry->queue->rt2x00dev->flags))
1197                 return;
1198
1199         /*
1200          * Check if this was the guardian beacon,
1201          * if that was the case we need to send the real beacon now.
1202          * Otherwise we should free the sk_buffer, the device
1203          * should be doing the rest of the work now.
1204          */
1205         if (priv_bcn->guardian_urb == urb) {
1206                 usb_submit_urb(priv_bcn->urb, GFP_ATOMIC);
1207         } else if (priv_bcn->urb == urb) {
1208                 dev_kfree_skb(entry->skb);
1209                 entry->skb = NULL;
1210         }
1211 }
1212
1213 /*
1214  * Device probe functions.
1215  */
1216 static int rt2500usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
1217 {
1218         u16 word;
1219         u8 *mac;
1220         u8 bbp;
1221
1222         rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom, EEPROM_SIZE);
1223
1224         /*
1225          * Start validation of the data that has been read.
1226          */
1227         mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
1228         if (!is_valid_ether_addr(mac)) {
1229                 DECLARE_MAC_BUF(macbuf);
1230
1231                 random_ether_addr(mac);
1232                 EEPROM(rt2x00dev, "MAC: %s\n", print_mac(macbuf, mac));
1233         }
1234
1235         rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
1236         if (word == 0xffff) {
1237                 rt2x00_set_field16(&word, EEPROM_ANTENNA_NUM, 2);
1238                 rt2x00_set_field16(&word, EEPROM_ANTENNA_TX_DEFAULT,
1239                                    ANTENNA_SW_DIVERSITY);
1240                 rt2x00_set_field16(&word, EEPROM_ANTENNA_RX_DEFAULT,
1241                                    ANTENNA_SW_DIVERSITY);
1242                 rt2x00_set_field16(&word, EEPROM_ANTENNA_LED_MODE,
1243                                    LED_MODE_DEFAULT);
1244                 rt2x00_set_field16(&word, EEPROM_ANTENNA_DYN_TXAGC, 0);
1245                 rt2x00_set_field16(&word, EEPROM_ANTENNA_HARDWARE_RADIO, 0);
1246                 rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF2522);
1247                 rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
1248                 EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word);
1249         }
1250
1251         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word);
1252         if (word == 0xffff) {
1253                 rt2x00_set_field16(&word, EEPROM_NIC_CARDBUS_ACCEL, 0);
1254                 rt2x00_set_field16(&word, EEPROM_NIC_DYN_BBP_TUNE, 0);
1255                 rt2x00_set_field16(&word, EEPROM_NIC_CCK_TX_POWER, 0);
1256                 rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word);
1257                 EEPROM(rt2x00dev, "NIC: 0x%04x\n", word);
1258         }
1259
1260         rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &word);
1261         if (word == 0xffff) {
1262                 rt2x00_set_field16(&word, EEPROM_CALIBRATE_OFFSET_RSSI,
1263                                    DEFAULT_RSSI_OFFSET);
1264                 rt2x00_eeprom_write(rt2x00dev, EEPROM_CALIBRATE_OFFSET, word);
1265                 EEPROM(rt2x00dev, "Calibrate offset: 0x%04x\n", word);
1266         }
1267
1268         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE, &word);
1269         if (word == 0xffff) {
1270                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_THRESHOLD, 45);
1271                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE, word);
1272                 EEPROM(rt2x00dev, "BBPtune: 0x%04x\n", word);
1273         }
1274
1275         /*
1276          * Switch lower vgc bound to current BBP R17 value,
1277          * lower the value a bit for better quality.
1278          */
1279         rt2500usb_bbp_read(rt2x00dev, 17, &bbp);
1280         bbp -= 6;
1281
1282         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &word);
1283         if (word == 0xffff) {
1284                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCUPPER, 0x40);
1285                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCLOWER, bbp);
1286                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_VGC, word);
1287                 EEPROM(rt2x00dev, "BBPtune vgc: 0x%04x\n", word);
1288         }
1289
1290         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R17, &word);
1291         if (word == 0xffff) {
1292                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R17_LOW, 0x48);
1293                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R17_HIGH, 0x41);
1294                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R17, word);
1295                 EEPROM(rt2x00dev, "BBPtune r17: 0x%04x\n", word);
1296         } else {
1297                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCLOWER, bbp);
1298                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_VGC, word);
1299         }
1300
1301         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &word);
1302         if (word == 0xffff) {
1303                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R24_LOW, 0x40);
1304                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R24_HIGH, 0x80);
1305                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R24, word);
1306                 EEPROM(rt2x00dev, "BBPtune r24: 0x%04x\n", word);
1307         }
1308
1309         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &word);
1310         if (word == 0xffff) {
1311                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R25_LOW, 0x40);
1312                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R25_HIGH, 0x50);
1313                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R25, word);
1314                 EEPROM(rt2x00dev, "BBPtune r25: 0x%04x\n", word);
1315         }
1316
1317         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &word);
1318         if (word == 0xffff) {
1319                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R61_LOW, 0x60);
1320                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R61_HIGH, 0x6d);
1321                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R61, word);
1322                 EEPROM(rt2x00dev, "BBPtune r61: 0x%04x\n", word);
1323         }
1324
1325         return 0;
1326 }
1327
1328 static int rt2500usb_init_eeprom(struct rt2x00_dev *rt2x00dev)
1329 {
1330         u16 reg;
1331         u16 value;
1332         u16 eeprom;
1333
1334         /*
1335          * Read EEPROM word for configuration.
1336          */
1337         rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
1338
1339         /*
1340          * Identify RF chipset.
1341          */
1342         value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
1343         rt2500usb_register_read(rt2x00dev, MAC_CSR0, &reg);
1344         rt2x00_set_chip(rt2x00dev, RT2570, value, reg);
1345
1346         if (!rt2x00_check_rev(&rt2x00dev->chip, 0)) {
1347                 ERROR(rt2x00dev, "Invalid RT chipset detected.\n");
1348                 return -ENODEV;
1349         }
1350
1351         if (!rt2x00_rf(&rt2x00dev->chip, RF2522) &&
1352             !rt2x00_rf(&rt2x00dev->chip, RF2523) &&
1353             !rt2x00_rf(&rt2x00dev->chip, RF2524) &&
1354             !rt2x00_rf(&rt2x00dev->chip, RF2525) &&
1355             !rt2x00_rf(&rt2x00dev->chip, RF2525E) &&
1356             !rt2x00_rf(&rt2x00dev->chip, RF5222)) {
1357                 ERROR(rt2x00dev, "Invalid RF chipset detected.\n");
1358                 return -ENODEV;
1359         }
1360
1361         /*
1362          * Identify default antenna configuration.
1363          */
1364         rt2x00dev->default_ant.tx =
1365             rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TX_DEFAULT);
1366         rt2x00dev->default_ant.rx =
1367             rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_DEFAULT);
1368
1369         /*
1370          * When the eeprom indicates SW_DIVERSITY use HW_DIVERSITY instead.
1371          * I am not 100% sure about this, but the legacy drivers do not
1372          * indicate antenna swapping in software is required when
1373          * diversity is enabled.
1374          */
1375         if (rt2x00dev->default_ant.tx == ANTENNA_SW_DIVERSITY)
1376                 rt2x00dev->default_ant.tx = ANTENNA_HW_DIVERSITY;
1377         if (rt2x00dev->default_ant.rx == ANTENNA_SW_DIVERSITY)
1378                 rt2x00dev->default_ant.rx = ANTENNA_HW_DIVERSITY;
1379
1380         /*
1381          * Store led mode, for correct led behaviour.
1382          */
1383 #ifdef CONFIG_RT2500USB_LEDS
1384         value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_LED_MODE);
1385
1386         switch (value) {
1387         case LED_MODE_ASUS:
1388         case LED_MODE_ALPHA:
1389         case LED_MODE_DEFAULT:
1390                 rt2x00dev->led_flags = LED_SUPPORT_RADIO;
1391                 break;
1392         case LED_MODE_TXRX_ACTIVITY:
1393                 rt2x00dev->led_flags =
1394                     LED_SUPPORT_RADIO | LED_SUPPORT_ACTIVITY;
1395                 break;
1396         case LED_MODE_SIGNAL_STRENGTH:
1397                 rt2x00dev->led_flags = LED_SUPPORT_RADIO;
1398                 break;
1399         }
1400
1401         /*
1402          * Store the current led register value, we need it later
1403          * in set_brightness but that is called in irq context which
1404          * means we can't use rt2500usb_register_read() at that time.
1405          */
1406         rt2500usb_register_read(rt2x00dev, MAC_CSR20, &rt2x00dev->led_mcu_reg);
1407 #endif /* CONFIG_RT2500USB_LEDS */
1408
1409         /*
1410          * Check if the BBP tuning should be disabled.
1411          */
1412         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom);
1413         if (rt2x00_get_field16(eeprom, EEPROM_NIC_DYN_BBP_TUNE))
1414                 __set_bit(CONFIG_DISABLE_LINK_TUNING, &rt2x00dev->flags);
1415
1416         /*
1417          * Read the RSSI <-> dBm offset information.
1418          */
1419         rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &eeprom);
1420         rt2x00dev->rssi_offset =
1421             rt2x00_get_field16(eeprom, EEPROM_CALIBRATE_OFFSET_RSSI);
1422
1423         return 0;
1424 }
1425
1426 /*
1427  * RF value list for RF2522
1428  * Supports: 2.4 GHz
1429  */
1430 static const struct rf_channel rf_vals_bg_2522[] = {
1431         { 1,  0x00002050, 0x000c1fda, 0x00000101, 0 },
1432         { 2,  0x00002050, 0x000c1fee, 0x00000101, 0 },
1433         { 3,  0x00002050, 0x000c2002, 0x00000101, 0 },
1434         { 4,  0x00002050, 0x000c2016, 0x00000101, 0 },
1435         { 5,  0x00002050, 0x000c202a, 0x00000101, 0 },
1436         { 6,  0x00002050, 0x000c203e, 0x00000101, 0 },
1437         { 7,  0x00002050, 0x000c2052, 0x00000101, 0 },
1438         { 8,  0x00002050, 0x000c2066, 0x00000101, 0 },
1439         { 9,  0x00002050, 0x000c207a, 0x00000101, 0 },
1440         { 10, 0x00002050, 0x000c208e, 0x00000101, 0 },
1441         { 11, 0x00002050, 0x000c20a2, 0x00000101, 0 },
1442         { 12, 0x00002050, 0x000c20b6, 0x00000101, 0 },
1443         { 13, 0x00002050, 0x000c20ca, 0x00000101, 0 },
1444         { 14, 0x00002050, 0x000c20fa, 0x00000101, 0 },
1445 };
1446
1447 /*
1448  * RF value list for RF2523
1449  * Supports: 2.4 GHz
1450  */
1451 static const struct rf_channel rf_vals_bg_2523[] = {
1452         { 1,  0x00022010, 0x00000c9e, 0x000e0111, 0x00000a1b },
1453         { 2,  0x00022010, 0x00000ca2, 0x000e0111, 0x00000a1b },
1454         { 3,  0x00022010, 0x00000ca6, 0x000e0111, 0x00000a1b },
1455         { 4,  0x00022010, 0x00000caa, 0x000e0111, 0x00000a1b },
1456         { 5,  0x00022010, 0x00000cae, 0x000e0111, 0x00000a1b },
1457         { 6,  0x00022010, 0x00000cb2, 0x000e0111, 0x00000a1b },
1458         { 7,  0x00022010, 0x00000cb6, 0x000e0111, 0x00000a1b },
1459         { 8,  0x00022010, 0x00000cba, 0x000e0111, 0x00000a1b },
1460         { 9,  0x00022010, 0x00000cbe, 0x000e0111, 0x00000a1b },
1461         { 10, 0x00022010, 0x00000d02, 0x000e0111, 0x00000a1b },
1462         { 11, 0x00022010, 0x00000d06, 0x000e0111, 0x00000a1b },
1463         { 12, 0x00022010, 0x00000d0a, 0x000e0111, 0x00000a1b },
1464         { 13, 0x00022010, 0x00000d0e, 0x000e0111, 0x00000a1b },
1465         { 14, 0x00022010, 0x00000d1a, 0x000e0111, 0x00000a03 },
1466 };
1467
1468 /*
1469  * RF value list for RF2524
1470  * Supports: 2.4 GHz
1471  */
1472 static const struct rf_channel rf_vals_bg_2524[] = {
1473         { 1,  0x00032020, 0x00000c9e, 0x00000101, 0x00000a1b },
1474         { 2,  0x00032020, 0x00000ca2, 0x00000101, 0x00000a1b },
1475         { 3,  0x00032020, 0x00000ca6, 0x00000101, 0x00000a1b },
1476         { 4,  0x00032020, 0x00000caa, 0x00000101, 0x00000a1b },
1477         { 5,  0x00032020, 0x00000cae, 0x00000101, 0x00000a1b },
1478         { 6,  0x00032020, 0x00000cb2, 0x00000101, 0x00000a1b },
1479         { 7,  0x00032020, 0x00000cb6, 0x00000101, 0x00000a1b },
1480         { 8,  0x00032020, 0x00000cba, 0x00000101, 0x00000a1b },
1481         { 9,  0x00032020, 0x00000cbe, 0x00000101, 0x00000a1b },
1482         { 10, 0x00032020, 0x00000d02, 0x00000101, 0x00000a1b },
1483         { 11, 0x00032020, 0x00000d06, 0x00000101, 0x00000a1b },
1484         { 12, 0x00032020, 0x00000d0a, 0x00000101, 0x00000a1b },
1485         { 13, 0x00032020, 0x00000d0e, 0x00000101, 0x00000a1b },
1486         { 14, 0x00032020, 0x00000d1a, 0x00000101, 0x00000a03 },
1487 };
1488
1489 /*
1490  * RF value list for RF2525
1491  * Supports: 2.4 GHz
1492  */
1493 static const struct rf_channel rf_vals_bg_2525[] = {
1494         { 1,  0x00022020, 0x00080c9e, 0x00060111, 0x00000a1b },
1495         { 2,  0x00022020, 0x00080ca2, 0x00060111, 0x00000a1b },
1496         { 3,  0x00022020, 0x00080ca6, 0x00060111, 0x00000a1b },
1497         { 4,  0x00022020, 0x00080caa, 0x00060111, 0x00000a1b },
1498         { 5,  0x00022020, 0x00080cae, 0x00060111, 0x00000a1b },
1499         { 6,  0x00022020, 0x00080cb2, 0x00060111, 0x00000a1b },
1500         { 7,  0x00022020, 0x00080cb6, 0x00060111, 0x00000a1b },
1501         { 8,  0x00022020, 0x00080cba, 0x00060111, 0x00000a1b },
1502         { 9,  0x00022020, 0x00080cbe, 0x00060111, 0x00000a1b },
1503         { 10, 0x00022020, 0x00080d02, 0x00060111, 0x00000a1b },
1504         { 11, 0x00022020, 0x00080d06, 0x00060111, 0x00000a1b },
1505         { 12, 0x00022020, 0x00080d0a, 0x00060111, 0x00000a1b },
1506         { 13, 0x00022020, 0x00080d0e, 0x00060111, 0x00000a1b },
1507         { 14, 0x00022020, 0x00080d1a, 0x00060111, 0x00000a03 },
1508 };
1509
1510 /*
1511  * RF value list for RF2525e
1512  * Supports: 2.4 GHz
1513  */
1514 static const struct rf_channel rf_vals_bg_2525e[] = {
1515         { 1,  0x00022010, 0x0000089a, 0x00060111, 0x00000e1b },
1516         { 2,  0x00022010, 0x0000089e, 0x00060111, 0x00000e07 },
1517         { 3,  0x00022010, 0x0000089e, 0x00060111, 0x00000e1b },
1518         { 4,  0x00022010, 0x000008a2, 0x00060111, 0x00000e07 },
1519         { 5,  0x00022010, 0x000008a2, 0x00060111, 0x00000e1b },
1520         { 6,  0x00022010, 0x000008a6, 0x00060111, 0x00000e07 },
1521         { 7,  0x00022010, 0x000008a6, 0x00060111, 0x00000e1b },
1522         { 8,  0x00022010, 0x000008aa, 0x00060111, 0x00000e07 },
1523         { 9,  0x00022010, 0x000008aa, 0x00060111, 0x00000e1b },
1524         { 10, 0x00022010, 0x000008ae, 0x00060111, 0x00000e07 },
1525         { 11, 0x00022010, 0x000008ae, 0x00060111, 0x00000e1b },
1526         { 12, 0x00022010, 0x000008b2, 0x00060111, 0x00000e07 },
1527         { 13, 0x00022010, 0x000008b2, 0x00060111, 0x00000e1b },
1528         { 14, 0x00022010, 0x000008b6, 0x00060111, 0x00000e23 },
1529 };
1530
1531 /*
1532  * RF value list for RF5222
1533  * Supports: 2.4 GHz & 5.2 GHz
1534  */
1535 static const struct rf_channel rf_vals_5222[] = {
1536         { 1,  0x00022020, 0x00001136, 0x00000101, 0x00000a0b },
1537         { 2,  0x00022020, 0x0000113a, 0x00000101, 0x00000a0b },
1538         { 3,  0x00022020, 0x0000113e, 0x00000101, 0x00000a0b },
1539         { 4,  0x00022020, 0x00001182, 0x00000101, 0x00000a0b },
1540         { 5,  0x00022020, 0x00001186, 0x00000101, 0x00000a0b },
1541         { 6,  0x00022020, 0x0000118a, 0x00000101, 0x00000a0b },
1542         { 7,  0x00022020, 0x0000118e, 0x00000101, 0x00000a0b },
1543         { 8,  0x00022020, 0x00001192, 0x00000101, 0x00000a0b },
1544         { 9,  0x00022020, 0x00001196, 0x00000101, 0x00000a0b },
1545         { 10, 0x00022020, 0x0000119a, 0x00000101, 0x00000a0b },
1546         { 11, 0x00022020, 0x0000119e, 0x00000101, 0x00000a0b },
1547         { 12, 0x00022020, 0x000011a2, 0x00000101, 0x00000a0b },
1548         { 13, 0x00022020, 0x000011a6, 0x00000101, 0x00000a0b },
1549         { 14, 0x00022020, 0x000011ae, 0x00000101, 0x00000a1b },
1550
1551         /* 802.11 UNI / HyperLan 2 */
1552         { 36, 0x00022010, 0x00018896, 0x00000101, 0x00000a1f },
1553         { 40, 0x00022010, 0x0001889a, 0x00000101, 0x00000a1f },
1554         { 44, 0x00022010, 0x0001889e, 0x00000101, 0x00000a1f },
1555         { 48, 0x00022010, 0x000188a2, 0x00000101, 0x00000a1f },
1556         { 52, 0x00022010, 0x000188a6, 0x00000101, 0x00000a1f },
1557         { 66, 0x00022010, 0x000188aa, 0x00000101, 0x00000a1f },
1558         { 60, 0x00022010, 0x000188ae, 0x00000101, 0x00000a1f },
1559         { 64, 0x00022010, 0x000188b2, 0x00000101, 0x00000a1f },
1560
1561         /* 802.11 HyperLan 2 */
1562         { 100, 0x00022010, 0x00008802, 0x00000101, 0x00000a0f },
1563         { 104, 0x00022010, 0x00008806, 0x00000101, 0x00000a0f },
1564         { 108, 0x00022010, 0x0000880a, 0x00000101, 0x00000a0f },
1565         { 112, 0x00022010, 0x0000880e, 0x00000101, 0x00000a0f },
1566         { 116, 0x00022010, 0x00008812, 0x00000101, 0x00000a0f },
1567         { 120, 0x00022010, 0x00008816, 0x00000101, 0x00000a0f },
1568         { 124, 0x00022010, 0x0000881a, 0x00000101, 0x00000a0f },
1569         { 128, 0x00022010, 0x0000881e, 0x00000101, 0x00000a0f },
1570         { 132, 0x00022010, 0x00008822, 0x00000101, 0x00000a0f },
1571         { 136, 0x00022010, 0x00008826, 0x00000101, 0x00000a0f },
1572
1573         /* 802.11 UNII */
1574         { 140, 0x00022010, 0x0000882a, 0x00000101, 0x00000a0f },
1575         { 149, 0x00022020, 0x000090a6, 0x00000101, 0x00000a07 },
1576         { 153, 0x00022020, 0x000090ae, 0x00000101, 0x00000a07 },
1577         { 157, 0x00022020, 0x000090b6, 0x00000101, 0x00000a07 },
1578         { 161, 0x00022020, 0x000090be, 0x00000101, 0x00000a07 },
1579 };
1580
1581 static void rt2500usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
1582 {
1583         struct hw_mode_spec *spec = &rt2x00dev->spec;
1584         u8 *txpower;
1585         unsigned int i;
1586
1587         /*
1588          * Initialize all hw fields.
1589          */
1590         rt2x00dev->hw->flags =
1591             IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE |
1592             IEEE80211_HW_RX_INCLUDES_FCS |
1593             IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING;
1594         rt2x00dev->hw->extra_tx_headroom = TXD_DESC_SIZE;
1595         rt2x00dev->hw->max_signal = MAX_SIGNAL;
1596         rt2x00dev->hw->max_rssi = MAX_RX_SSI;
1597         rt2x00dev->hw->queues = 2;
1598
1599         SET_IEEE80211_DEV(rt2x00dev->hw, &rt2x00dev_usb(rt2x00dev)->dev);
1600         SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
1601                                 rt2x00_eeprom_addr(rt2x00dev,
1602                                                    EEPROM_MAC_ADDR_0));
1603
1604         /*
1605          * Convert tx_power array in eeprom.
1606          */
1607         txpower = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_START);
1608         for (i = 0; i < 14; i++)
1609                 txpower[i] = TXPOWER_FROM_DEV(txpower[i]);
1610
1611         /*
1612          * Initialize hw_mode information.
1613          */
1614         spec->supported_bands = SUPPORT_BAND_2GHZ;
1615         spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
1616         spec->tx_power_a = NULL;
1617         spec->tx_power_bg = txpower;
1618         spec->tx_power_default = DEFAULT_TXPOWER;
1619
1620         if (rt2x00_rf(&rt2x00dev->chip, RF2522)) {
1621                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2522);
1622                 spec->channels = rf_vals_bg_2522;
1623         } else if (rt2x00_rf(&rt2x00dev->chip, RF2523)) {
1624                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2523);
1625                 spec->channels = rf_vals_bg_2523;
1626         } else if (rt2x00_rf(&rt2x00dev->chip, RF2524)) {
1627                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2524);
1628                 spec->channels = rf_vals_bg_2524;
1629         } else if (rt2x00_rf(&rt2x00dev->chip, RF2525)) {
1630                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525);
1631                 spec->channels = rf_vals_bg_2525;
1632         } else if (rt2x00_rf(&rt2x00dev->chip, RF2525E)) {
1633                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525e);
1634                 spec->channels = rf_vals_bg_2525e;
1635         } else if (rt2x00_rf(&rt2x00dev->chip, RF5222)) {
1636                 spec->supported_bands |= SUPPORT_BAND_5GHZ;
1637                 spec->num_channels = ARRAY_SIZE(rf_vals_5222);
1638                 spec->channels = rf_vals_5222;
1639         }
1640 }
1641
1642 static int rt2500usb_probe_hw(struct rt2x00_dev *rt2x00dev)
1643 {
1644         int retval;
1645
1646         /*
1647          * Allocate eeprom data.
1648          */
1649         retval = rt2500usb_validate_eeprom(rt2x00dev);
1650         if (retval)
1651                 return retval;
1652
1653         retval = rt2500usb_init_eeprom(rt2x00dev);
1654         if (retval)
1655                 return retval;
1656
1657         /*
1658          * Initialize hw specifications.
1659          */
1660         rt2500usb_probe_hw_mode(rt2x00dev);
1661
1662         /*
1663          * This device requires the atim queue
1664          */
1665         __set_bit(DRIVER_REQUIRE_ATIM_QUEUE, &rt2x00dev->flags);
1666         __set_bit(DRIVER_REQUIRE_BEACON_GUARD, &rt2x00dev->flags);
1667         __set_bit(DRIVER_REQUIRE_SCHEDULED, &rt2x00dev->flags);
1668
1669         /*
1670          * Set the rssi offset.
1671          */
1672         rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
1673
1674         return 0;
1675 }
1676
1677 /*
1678  * IEEE80211 stack callback functions.
1679  */
1680 static int rt2500usb_beacon_update(struct ieee80211_hw *hw,
1681                                    struct sk_buff *skb,
1682                                    struct ieee80211_tx_control *control)
1683 {
1684         struct rt2x00_dev *rt2x00dev = hw->priv;
1685         struct usb_device *usb_dev = rt2x00dev_usb_dev(rt2x00dev);
1686         struct rt2x00_intf *intf = vif_to_intf(control->vif);
1687         struct queue_entry_priv_usb_bcn *priv_bcn;
1688         struct skb_frame_desc *skbdesc;
1689         int pipe = usb_sndbulkpipe(usb_dev, 1);
1690         int length;
1691         u16 reg;
1692
1693         if (unlikely(!intf->beacon))
1694                 return -ENOBUFS;
1695
1696         priv_bcn = intf->beacon->priv_data;
1697
1698         /*
1699          * Add the descriptor in front of the skb.
1700          */
1701         skb_push(skb, intf->beacon->queue->desc_size);
1702         memset(skb->data, 0, intf->beacon->queue->desc_size);
1703
1704         /*
1705          * Fill in skb descriptor
1706          */
1707         skbdesc = get_skb_frame_desc(skb);
1708         memset(skbdesc, 0, sizeof(*skbdesc));
1709         skbdesc->flags |= FRAME_DESC_DRIVER_GENERATED;
1710         skbdesc->data = skb->data + intf->beacon->queue->desc_size;
1711         skbdesc->data_len = skb->len - intf->beacon->queue->desc_size;
1712         skbdesc->desc = skb->data;
1713         skbdesc->desc_len = intf->beacon->queue->desc_size;
1714         skbdesc->entry = intf->beacon;
1715
1716         /*
1717          * Disable beaconing while we are reloading the beacon data,
1718          * otherwise we might be sending out invalid data.
1719          */
1720         rt2500usb_register_read(rt2x00dev, TXRX_CSR19, &reg);
1721         rt2x00_set_field16(&reg, TXRX_CSR19_TSF_COUNT, 0);
1722         rt2x00_set_field16(&reg, TXRX_CSR19_TBCN, 0);
1723         rt2x00_set_field16(&reg, TXRX_CSR19_BEACON_GEN, 0);
1724         rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
1725
1726         /*
1727          * mac80211 doesn't provide the control->queue variable
1728          * for beacons. Set our own queue identification so
1729          * it can be used during descriptor initialization.
1730          */
1731         control->queue = RT2X00_BCN_QUEUE_BEACON;
1732         rt2x00lib_write_tx_desc(rt2x00dev, skb, control);
1733
1734         /*
1735          * USB devices cannot blindly pass the skb->len as the
1736          * length of the data to usb_fill_bulk_urb. Pass the skb
1737          * to the driver to determine what the length should be.
1738          */
1739         length = rt2500usb_get_tx_data_len(rt2x00dev, skb);
1740
1741         usb_fill_bulk_urb(priv_bcn->urb, usb_dev, pipe,
1742                           skb->data, length, rt2500usb_beacondone,
1743                           intf->beacon);
1744
1745         /*
1746          * Second we need to create the guardian byte.
1747          * We only need a single byte, so lets recycle
1748          * the 'flags' field we are not using for beacons.
1749          */
1750         priv_bcn->guardian_data = 0;
1751         usb_fill_bulk_urb(priv_bcn->guardian_urb, usb_dev, pipe,
1752                           &priv_bcn->guardian_data, 1, rt2500usb_beacondone,
1753                           intf->beacon);
1754
1755         /*
1756          * Send out the guardian byte.
1757          */
1758         usb_submit_urb(priv_bcn->guardian_urb, GFP_ATOMIC);
1759
1760         /*
1761          * Enable beacon generation.
1762          */
1763         rt2500usb_kick_tx_queue(rt2x00dev, control->queue);
1764
1765         return 0;
1766 }
1767
1768 static const struct ieee80211_ops rt2500usb_mac80211_ops = {
1769         .tx                     = rt2x00mac_tx,
1770         .start                  = rt2x00mac_start,
1771         .stop                   = rt2x00mac_stop,
1772         .add_interface          = rt2x00mac_add_interface,
1773         .remove_interface       = rt2x00mac_remove_interface,
1774         .config                 = rt2x00mac_config,
1775         .config_interface       = rt2x00mac_config_interface,
1776         .configure_filter       = rt2x00mac_configure_filter,
1777         .get_stats              = rt2x00mac_get_stats,
1778         .bss_info_changed       = rt2x00mac_bss_info_changed,
1779         .conf_tx                = rt2x00mac_conf_tx,
1780         .get_tx_stats           = rt2x00mac_get_tx_stats,
1781         .beacon_update          = rt2500usb_beacon_update,
1782 };
1783
1784 static const struct rt2x00lib_ops rt2500usb_rt2x00_ops = {
1785         .probe_hw               = rt2500usb_probe_hw,
1786         .initialize             = rt2x00usb_initialize,
1787         .uninitialize           = rt2x00usb_uninitialize,
1788         .init_rxentry           = rt2x00usb_init_rxentry,
1789         .init_txentry           = rt2x00usb_init_txentry,
1790         .set_device_state       = rt2500usb_set_device_state,
1791         .link_stats             = rt2500usb_link_stats,
1792         .reset_tuner            = rt2500usb_reset_tuner,
1793         .link_tuner             = rt2500usb_link_tuner,
1794         .led_brightness         = rt2500usb_led_brightness,
1795         .write_tx_desc          = rt2500usb_write_tx_desc,
1796         .write_tx_data          = rt2x00usb_write_tx_data,
1797         .get_tx_data_len        = rt2500usb_get_tx_data_len,
1798         .kick_tx_queue          = rt2500usb_kick_tx_queue,
1799         .fill_rxdone            = rt2500usb_fill_rxdone,
1800         .config_filter          = rt2500usb_config_filter,
1801         .config_intf            = rt2500usb_config_intf,
1802         .config_erp             = rt2500usb_config_erp,
1803         .config                 = rt2500usb_config,
1804 };
1805
1806 static const struct data_queue_desc rt2500usb_queue_rx = {
1807         .entry_num              = RX_ENTRIES,
1808         .data_size              = DATA_FRAME_SIZE,
1809         .desc_size              = RXD_DESC_SIZE,
1810         .priv_size              = sizeof(struct queue_entry_priv_usb_rx),
1811 };
1812
1813 static const struct data_queue_desc rt2500usb_queue_tx = {
1814         .entry_num              = TX_ENTRIES,
1815         .data_size              = DATA_FRAME_SIZE,
1816         .desc_size              = TXD_DESC_SIZE,
1817         .priv_size              = sizeof(struct queue_entry_priv_usb_tx),
1818 };
1819
1820 static const struct data_queue_desc rt2500usb_queue_bcn = {
1821         .entry_num              = BEACON_ENTRIES,
1822         .data_size              = MGMT_FRAME_SIZE,
1823         .desc_size              = TXD_DESC_SIZE,
1824         .priv_size              = sizeof(struct queue_entry_priv_usb_bcn),
1825 };
1826
1827 static const struct data_queue_desc rt2500usb_queue_atim = {
1828         .entry_num              = ATIM_ENTRIES,
1829         .data_size              = DATA_FRAME_SIZE,
1830         .desc_size              = TXD_DESC_SIZE,
1831         .priv_size              = sizeof(struct queue_entry_priv_usb_tx),
1832 };
1833
1834 static const struct rt2x00_ops rt2500usb_ops = {
1835         .name           = KBUILD_MODNAME,
1836         .max_sta_intf   = 1,
1837         .max_ap_intf    = 1,
1838         .eeprom_size    = EEPROM_SIZE,
1839         .rf_size        = RF_SIZE,
1840         .rx             = &rt2500usb_queue_rx,
1841         .tx             = &rt2500usb_queue_tx,
1842         .bcn            = &rt2500usb_queue_bcn,
1843         .atim           = &rt2500usb_queue_atim,
1844         .lib            = &rt2500usb_rt2x00_ops,
1845         .hw             = &rt2500usb_mac80211_ops,
1846 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
1847         .debugfs        = &rt2500usb_rt2x00debug,
1848 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
1849 };
1850
1851 /*
1852  * rt2500usb module information.
1853  */
1854 static struct usb_device_id rt2500usb_device_table[] = {
1855         /* ASUS */
1856         { USB_DEVICE(0x0b05, 0x1706), USB_DEVICE_DATA(&rt2500usb_ops) },
1857         { USB_DEVICE(0x0b05, 0x1707), USB_DEVICE_DATA(&rt2500usb_ops) },
1858         /* Belkin */
1859         { USB_DEVICE(0x050d, 0x7050), USB_DEVICE_DATA(&rt2500usb_ops) },
1860         { USB_DEVICE(0x050d, 0x7051), USB_DEVICE_DATA(&rt2500usb_ops) },
1861         { USB_DEVICE(0x050d, 0x705a), USB_DEVICE_DATA(&rt2500usb_ops) },
1862         /* Cisco Systems */
1863         { USB_DEVICE(0x13b1, 0x000d), USB_DEVICE_DATA(&rt2500usb_ops) },
1864         { USB_DEVICE(0x13b1, 0x0011), USB_DEVICE_DATA(&rt2500usb_ops) },
1865         { USB_DEVICE(0x13b1, 0x001a), USB_DEVICE_DATA(&rt2500usb_ops) },
1866         /* Conceptronic */
1867         { USB_DEVICE(0x14b2, 0x3c02), USB_DEVICE_DATA(&rt2500usb_ops) },
1868         /* D-LINK */
1869         { USB_DEVICE(0x2001, 0x3c00), USB_DEVICE_DATA(&rt2500usb_ops) },
1870         /* Gigabyte */
1871         { USB_DEVICE(0x1044, 0x8001), USB_DEVICE_DATA(&rt2500usb_ops) },
1872         { USB_DEVICE(0x1044, 0x8007), USB_DEVICE_DATA(&rt2500usb_ops) },
1873         /* Hercules */
1874         { USB_DEVICE(0x06f8, 0xe000), USB_DEVICE_DATA(&rt2500usb_ops) },
1875         /* Melco */
1876         { USB_DEVICE(0x0411, 0x005e), USB_DEVICE_DATA(&rt2500usb_ops) },
1877         { USB_DEVICE(0x0411, 0x0066), USB_DEVICE_DATA(&rt2500usb_ops) },
1878         { USB_DEVICE(0x0411, 0x0067), USB_DEVICE_DATA(&rt2500usb_ops) },
1879         { USB_DEVICE(0x0411, 0x008b), USB_DEVICE_DATA(&rt2500usb_ops) },
1880         { USB_DEVICE(0x0411, 0x0097), USB_DEVICE_DATA(&rt2500usb_ops) },
1881         /* MSI */
1882         { USB_DEVICE(0x0db0, 0x6861), USB_DEVICE_DATA(&rt2500usb_ops) },
1883         { USB_DEVICE(0x0db0, 0x6865), USB_DEVICE_DATA(&rt2500usb_ops) },
1884         { USB_DEVICE(0x0db0, 0x6869), USB_DEVICE_DATA(&rt2500usb_ops) },
1885         /* Ralink */
1886         { USB_DEVICE(0x148f, 0x1706), USB_DEVICE_DATA(&rt2500usb_ops) },
1887         { USB_DEVICE(0x148f, 0x2570), USB_DEVICE_DATA(&rt2500usb_ops) },
1888         { USB_DEVICE(0x148f, 0x2573), USB_DEVICE_DATA(&rt2500usb_ops) },
1889         { USB_DEVICE(0x148f, 0x9020), USB_DEVICE_DATA(&rt2500usb_ops) },
1890         /* Siemens */
1891         { USB_DEVICE(0x0681, 0x3c06), USB_DEVICE_DATA(&rt2500usb_ops) },
1892         /* SMC */
1893         { USB_DEVICE(0x0707, 0xee13), USB_DEVICE_DATA(&rt2500usb_ops) },
1894         /* Spairon */
1895         { USB_DEVICE(0x114b, 0x0110), USB_DEVICE_DATA(&rt2500usb_ops) },
1896         /* Trust */
1897         { USB_DEVICE(0x0eb0, 0x9020), USB_DEVICE_DATA(&rt2500usb_ops) },
1898         /* Zinwell */
1899         { USB_DEVICE(0x5a57, 0x0260), USB_DEVICE_DATA(&rt2500usb_ops) },
1900         { 0, }
1901 };
1902
1903 MODULE_AUTHOR(DRV_PROJECT);
1904 MODULE_VERSION(DRV_VERSION);
1905 MODULE_DESCRIPTION("Ralink RT2500 USB Wireless LAN driver.");
1906 MODULE_SUPPORTED_DEVICE("Ralink RT2570 USB chipset based cards");
1907 MODULE_DEVICE_TABLE(usb, rt2500usb_device_table);
1908 MODULE_LICENSE("GPL");
1909
1910 static struct usb_driver rt2500usb_driver = {
1911         .name           = KBUILD_MODNAME,
1912         .id_table       = rt2500usb_device_table,
1913         .probe          = rt2x00usb_probe,
1914         .disconnect     = rt2x00usb_disconnect,
1915         .suspend        = rt2x00usb_suspend,
1916         .resume         = rt2x00usb_resume,
1917 };
1918
1919 static int __init rt2500usb_init(void)
1920 {
1921         return usb_register(&rt2500usb_driver);
1922 }
1923
1924 static void __exit rt2500usb_exit(void)
1925 {
1926         usb_deregister(&rt2500usb_driver);
1927 }
1928
1929 module_init(rt2500usb_init);
1930 module_exit(rt2500usb_exit);