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 /*
 286  * Configuration handlers.
 287  */
 288 static void rt2500usb_config_intf(struct rt2x00_dev *rt2x00dev,
 289                                   struct rt2x00_intf *intf,
 290                                   struct rt2x00intf_conf *conf,
 291                                   const unsigned int flags)
 292 {
 293         unsigned int bcn_preload;
 294         u16 reg;
 295
 296         if (flags & CONFIG_UPDATE_TYPE) {
 297                 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0);
 298
 299                 /*
 300                  * Enable beacon config
 301                  */
 302                 bcn_preload = PREAMBLE + get_duration(IEEE80211_HEADER, 20);
 303                 rt2500usb_register_read(rt2x00dev, TXRX_CSR20, &reg);
 304                 rt2x00_set_field16(&reg, TXRX_CSR20_OFFSET, bcn_preload >> 6);
 305                 rt2x00_set_field16(&reg, TXRX_CSR20_BCN_EXPECT_WINDOW,
 306                                    2 * (conf->type != IEEE80211_IF_TYPE_STA));
 307                 rt2500usb_register_write(rt2x00dev, TXRX_CSR20, reg);
 308
 309                 /*
 310                  * Enable synchronisation.
 311                  */
 312                 rt2500usb_register_read(rt2x00dev, TXRX_CSR18, &reg);
 313                 rt2x00_set_field16(&reg, TXRX_CSR18_OFFSET, 0);
 314                 rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg);
 315
 316                 rt2500usb_register_read(rt2x00dev, TXRX_CSR19, &reg);
 317                 rt2x00_set_field16(&reg, TXRX_CSR19_TSF_COUNT, 1);
 318                 rt2x00_set_field16(&reg, TXRX_CSR19_TBCN,
 319                                    (conf->sync == TSF_SYNC_BEACON));
 320                 rt2x00_set_field16(&reg, TXRX_CSR19_BEACON_GEN, 0);
 321                 rt2x00_set_field16(&reg, TXRX_CSR19_TSF_SYNC, conf->sync);
 322                 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
 323         }
 324
 325         if (flags & CONFIG_UPDATE_MAC)
 326                 rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR2, conf->mac,
 327                                               (3 * sizeof(__le16)));
 328
 329         if (flags & CONFIG_UPDATE_BSSID)
 330                 rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR5, conf->bssid,
 331                                               (3 * sizeof(__le16)));
 332 }
 333
 334 static int rt2500usb_config_preamble(struct rt2x00_dev *rt2x00dev,
 335                                      const int short_preamble,
 336                                      const int ack_timeout,
 337                                      const int ack_consume_time)
 338 {
 339         u16 reg;
 340
 341         /*
 342          * When in atomic context, we should let rt2x00lib
 343          * try this configuration again later.
 344          */
 345         if (in_atomic())
 346                 return -EAGAIN;
 347
 348         rt2500usb_register_read(rt2x00dev, TXRX_CSR1, &reg);
 349         rt2x00_set_field16(&reg, TXRX_CSR1_ACK_TIMEOUT, ack_timeout);
 350         rt2500usb_register_write(rt2x00dev, TXRX_CSR1, reg);
 351
 352         rt2500usb_register_read(rt2x00dev, TXRX_CSR10, &reg);
 353         rt2x00_set_field16(&reg, TXRX_CSR10_AUTORESPOND_PREAMBLE,
 354                            !!short_preamble);
 355         rt2500usb_register_write(rt2x00dev, TXRX_CSR10, reg);
 356
 357         return 0;
 358 }
 359
 360 static void rt2500usb_config_phymode(struct rt2x00_dev *rt2x00dev,
 361                                      const int basic_rate_mask)
 362 {
 363         rt2500usb_register_write(rt2x00dev, TXRX_CSR11, basic_rate_mask);
 364 }
 365
 366 static void rt2500usb_config_channel(struct rt2x00_dev *rt2x00dev,
 367                                      struct rf_channel *rf, const int txpower)
 368 {
 369         /*
 370          * Set TXpower.
 371          */
 372         rt2x00_set_field32(&rf->rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
 373
 374         /*
 375          * For RT2525E we should first set the channel to half band higher.
 376          */
 377         if (rt2x00_rf(&rt2x00dev->chip, RF2525E)) {
 378                 static const u32 vals[] = {
 379                         0x000008aa, 0x000008ae, 0x000008ae, 0x000008b2,
 380                         0x000008b2, 0x000008b6, 0x000008b6, 0x000008ba,
 381                         0x000008ba, 0x000008be, 0x000008b7, 0x00000902,
 382                         0x00000902, 0x00000906
 383                 };
 384
 385                 rt2500usb_rf_write(rt2x00dev, 2, vals[rf->channel - 1]);
 386                 if (rf->rf4)
 387                         rt2500usb_rf_write(rt2x00dev, 4, rf->rf4);
 388         }
 389
 390         rt2500usb_rf_write(rt2x00dev, 1, rf->rf1);
 391         rt2500usb_rf_write(rt2x00dev, 2, rf->rf2);
 392         rt2500usb_rf_write(rt2x00dev, 3, rf->rf3);
 393         if (rf->rf4)
 394                 rt2500usb_rf_write(rt2x00dev, 4, rf->rf4);
 395 }
 396
 397 static void rt2500usb_config_txpower(struct rt2x00_dev *rt2x00dev,
 398                                      const int txpower)
 399 {
 400         u32 rf3;
 401
 402         rt2x00_rf_read(rt2x00dev, 3, &rf3);
 403         rt2x00_set_field32(&rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
 404         rt2500usb_rf_write(rt2x00dev, 3, rf3);
 405 }
 406
 407 static void rt2500usb_config_antenna(struct rt2x00_dev *rt2x00dev,
 408                                      struct antenna_setup *ant)
 409 {
 410         u8 r2;
 411         u8 r14;
 412         u16 csr5;
 413         u16 csr6;
 414
 415         rt2500usb_bbp_read(rt2x00dev, 2, &r2);
 416         rt2500usb_bbp_read(rt2x00dev, 14, &r14);
 417         rt2500usb_register_read(rt2x00dev, PHY_CSR5, &csr5);
 418         rt2500usb_register_read(rt2x00dev, PHY_CSR6, &csr6);
 419
 420         /*
 421          * Configure the TX antenna.
 422          */
 423         switch (ant->tx) {
 424         case ANTENNA_HW_DIVERSITY:
 425                 rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 1);
 426                 rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 1);
 427                 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 1);
 428                 break;
 429         case ANTENNA_A:
 430                 rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 0);
 431                 rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 0);
 432                 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 0);
 433                 break;
 434         case ANTENNA_SW_DIVERSITY:
 435                 /*
 436                  * NOTE: We should never come here because rt2x00lib is
 437                  * supposed to catch this and send us the correct antenna
 438                  * explicitely. However we are nog going to bug about this.
 439                  * Instead, just default to antenna B.
 440                  */
 441         case ANTENNA_B:
 442                 rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 2);
 443                 rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 2);
 444                 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 2);
 445                 break;
 446         }
 447
 448         /*
 449          * Configure the RX antenna.
 450          */
 451         switch (ant->rx) {
 452         case ANTENNA_HW_DIVERSITY:
 453                 rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 1);
 454                 break;
 455         case ANTENNA_A:
 456                 rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 0);
 457                 break;
 458         case ANTENNA_SW_DIVERSITY:
 459                 /*
 460                  * NOTE: We should never come here because rt2x00lib is
 461                  * supposed to catch this and send us the correct antenna
 462                  * explicitely. However we are nog going to bug about this.
 463                  * Instead, just default to antenna B.
 464                  */
 465         case ANTENNA_B:
 466                 rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 2);
 467                 break;
 468         }
 469
 470         /*
 471          * RT2525E and RT5222 need to flip TX I/Q
 472          */
 473         if (rt2x00_rf(&rt2x00dev->chip, RF2525E) ||
 474             rt2x00_rf(&rt2x00dev->chip, RF5222)) {
 475                 rt2x00_set_field8(&r2, BBP_R2_TX_IQ_FLIP, 1);
 476                 rt2x00_set_field16(&csr5, PHY_CSR5_CCK_FLIP, 1);
 477                 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM_FLIP, 1);
 478
 479                 /*
 480                  * RT2525E does not need RX I/Q Flip.
 481                  */
 482                 if (rt2x00_rf(&rt2x00dev->chip, RF2525E))
 483                         rt2x00_set_field8(&r14, BBP_R14_RX_IQ_FLIP, 0);
 484         } else {
 485                 rt2x00_set_field16(&csr5, PHY_CSR5_CCK_FLIP, 0);
 486                 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM_FLIP, 0);
 487         }
 488
 489         rt2500usb_bbp_write(rt2x00dev, 2, r2);
 490         rt2500usb_bbp_write(rt2x00dev, 14, r14);
 491         rt2500usb_register_write(rt2x00dev, PHY_CSR5, csr5);
 492         rt2500usb_register_write(rt2x00dev, PHY_CSR6, csr6);
 493 }
 494
 495 static void rt2500usb_config_duration(struct rt2x00_dev *rt2x00dev,
 496                                       struct rt2x00lib_conf *libconf)
 497 {
 498         u16 reg;
 499
 500         rt2500usb_register_write(rt2x00dev, MAC_CSR10, libconf->slot_time);
 501         rt2500usb_register_write(rt2x00dev, MAC_CSR11, libconf->sifs);
 502         rt2500usb_register_write(rt2x00dev, MAC_CSR12, libconf->eifs);
 503
 504         rt2500usb_register_read(rt2x00dev, TXRX_CSR18, &reg);
 505         rt2x00_set_field16(&reg, TXRX_CSR18_INTERVAL,
 506                            libconf->conf->beacon_int * 4);
 507         rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg);
 508 }
 509
 510 static void rt2500usb_config(struct rt2x00_dev *rt2x00dev,
 511                              struct rt2x00lib_conf *libconf,
 512                              const unsigned int flags)
 513 {
 514         if (flags & CONFIG_UPDATE_PHYMODE)
 515                 rt2500usb_config_phymode(rt2x00dev, libconf->basic_rates);
 516         if (flags & CONFIG_UPDATE_CHANNEL)
 517                 rt2500usb_config_channel(rt2x00dev, &libconf->rf,
 518                                          libconf->conf->power_level);
 519         if ((flags & CONFIG_UPDATE_TXPOWER) && !(flags & CONFIG_UPDATE_CHANNEL))
 520                 rt2500usb_config_txpower(rt2x00dev,
 521                                          libconf->conf->power_level);
 522         if (flags & CONFIG_UPDATE_ANTENNA)
 523                 rt2500usb_config_antenna(rt2x00dev, &libconf->ant);
 524         if (flags & (CONFIG_UPDATE_SLOT_TIME | CONFIG_UPDATE_BEACON_INT))
 525                 rt2500usb_config_duration(rt2x00dev, libconf);
 526 }
 527
 528 /*
 529  * LED functions.
 530  */
 531 static void rt2500usb_enable_led(struct rt2x00_dev *rt2x00dev)
 532 {
 533         u16 reg;
 534
 535         rt2500usb_register_read(rt2x00dev, MAC_CSR21, &reg);
 536         rt2x00_set_field16(&reg, MAC_CSR21_ON_PERIOD, 70);
 537         rt2x00_set_field16(&reg, MAC_CSR21_OFF_PERIOD, 30);
 538         rt2500usb_register_write(rt2x00dev, MAC_CSR21, reg);
 539
 540         rt2500usb_register_read(rt2x00dev, MAC_CSR20, &reg);
 541         rt2x00_set_field16(&reg, MAC_CSR20_LINK,
 542                            (rt2x00dev->led_mode != LED_MODE_ASUS));
 543         rt2x00_set_field16(&reg, MAC_CSR20_ACTIVITY,
 544                            (rt2x00dev->led_mode != LED_MODE_TXRX_ACTIVITY));
 545         rt2500usb_register_write(rt2x00dev, MAC_CSR20, reg);
 546 }
 547
 548 static void rt2500usb_disable_led(struct rt2x00_dev *rt2x00dev)
 549 {
 550         u16 reg;
 551
 552         rt2500usb_register_read(rt2x00dev, MAC_CSR20, &reg);
 553         rt2x00_set_field16(&reg, MAC_CSR20_LINK, 0);
 554         rt2x00_set_field16(&reg, MAC_CSR20_ACTIVITY, 0);
 555         rt2500usb_register_write(rt2x00dev, MAC_CSR20, reg);
 556 }
 557
 558 /*
 559  * Link tuning
 560  */
 561 static void rt2500usb_link_stats(struct rt2x00_dev *rt2x00dev,
 562                                  struct link_qual *qual)
 563 {
 564         u16 reg;
 565
 566         /*
 567          * Update FCS error count from register.
 568          */
 569         rt2500usb_register_read(rt2x00dev, STA_CSR0, &reg);
 570         qual->rx_failed = rt2x00_get_field16(reg, STA_CSR0_FCS_ERROR);
 571
 572         /*
 573          * Update False CCA count from register.
 574          */
 575         rt2500usb_register_read(rt2x00dev, STA_CSR3, &reg);
 576         qual->false_cca = rt2x00_get_field16(reg, STA_CSR3_FALSE_CCA_ERROR);
 577 }
 578
 579 static void rt2500usb_reset_tuner(struct rt2x00_dev *rt2x00dev)
 580 {
 581         u16 eeprom;
 582         u16 value;
 583
 584         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &eeprom);
 585         value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R24_LOW);
 586         rt2500usb_bbp_write(rt2x00dev, 24, value);
 587
 588         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &eeprom);
 589         value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R25_LOW);
 590         rt2500usb_bbp_write(rt2x00dev, 25, value);
 591
 592         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &eeprom);
 593         value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R61_LOW);
 594         rt2500usb_bbp_write(rt2x00dev, 61, value);
 595
 596         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &eeprom);
 597         value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_VGCUPPER);
 598         rt2500usb_bbp_write(rt2x00dev, 17, value);
 599
 600         rt2x00dev->link.vgc_level = value;
 601 }
 602
 603 static void rt2500usb_link_tuner(struct rt2x00_dev *rt2x00dev)
 604 {
 605         int rssi = rt2x00_get_link_rssi(&rt2x00dev->link);
 606         u16 bbp_thresh;
 607         u16 vgc_bound;
 608         u16 sens;
 609         u16 r24;
 610         u16 r25;
 611         u16 r61;
 612         u16 r17_sens;
 613         u8 r17;
 614         u8 up_bound;
 615         u8 low_bound;
 616
 617         /*
 618          * Read current r17 value, as well as the sensitivity values
 619          * for the r17 register.
 620          */
 621         rt2500usb_bbp_read(rt2x00dev, 17, &r17);
 622         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R17, &r17_sens);
 623
 624         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &vgc_bound);
 625         up_bound = rt2x00_get_field16(vgc_bound, EEPROM_BBPTUNE_VGCUPPER);
 626         low_bound = rt2x00_get_field16(vgc_bound, EEPROM_BBPTUNE_VGCLOWER);
 627
 628         /*
 629          * If we are not associated, we should go straight to the
 630          * dynamic CCA tuning.
 631          */
 632         if (!rt2x00dev->intf_associated)
 633                 goto dynamic_cca_tune;
 634
 635         /*
 636          * Determine the BBP tuning threshold and correctly
 637          * set BBP 24, 25 and 61.
 638          */
 639         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE, &bbp_thresh);
 640         bbp_thresh = rt2x00_get_field16(bbp_thresh, EEPROM_BBPTUNE_THRESHOLD);
 641
 642         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &r24);
 643         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &r25);
 644         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &r61);
 645
 646         if ((rssi + bbp_thresh) > 0) {
 647                 r24 = rt2x00_get_field16(r24, EEPROM_BBPTUNE_R24_HIGH);
 648                 r25 = rt2x00_get_field16(r25, EEPROM_BBPTUNE_R25_HIGH);
 649                 r61 = rt2x00_get_field16(r61, EEPROM_BBPTUNE_R61_HIGH);
 650         } else {
 651                 r24 = rt2x00_get_field16(r24, EEPROM_BBPTUNE_R24_LOW);
 652                 r25 = rt2x00_get_field16(r25, EEPROM_BBPTUNE_R25_LOW);
 653                 r61 = rt2x00_get_field16(r61, EEPROM_BBPTUNE_R61_LOW);
 654         }
 655
 656         rt2500usb_bbp_write(rt2x00dev, 24, r24);
 657         rt2500usb_bbp_write(rt2x00dev, 25, r25);
 658         rt2500usb_bbp_write(rt2x00dev, 61, r61);
 659
 660         /*
 661          * A too low RSSI will cause too much false CCA which will
 662          * then corrupt the R17 tuning. To remidy this the tuning should
 663          * be stopped (While making sure the R17 value will not exceed limits)
 664          */
 665         if (rssi >= -40) {
 666                 if (r17 != 0x60)
 667                         rt2500usb_bbp_write(rt2x00dev, 17, 0x60);
 668                 return;
 669         }
 670
 671         /*
 672          * Special big-R17 for short distance
 673          */
 674         if (rssi >= -58) {
 675                 sens = rt2x00_get_field16(r17_sens, EEPROM_BBPTUNE_R17_LOW);
 676                 if (r17 != sens)
 677                         rt2500usb_bbp_write(rt2x00dev, 17, sens);
 678                 return;
 679         }
 680
 681         /*
 682          * Special mid-R17 for middle distance
 683          */
 684         if (rssi >= -74) {
 685                 sens = rt2x00_get_field16(r17_sens, EEPROM_BBPTUNE_R17_HIGH);
 686                 if (r17 != sens)
 687                         rt2500usb_bbp_write(rt2x00dev, 17, sens);
 688                 return;
 689         }
 690
 691         /*
 692          * Leave short or middle distance condition, restore r17
 693          * to the dynamic tuning range.
 694          */
 695         low_bound = 0x32;
 696         if (rssi < -77)
 697                 up_bound -= (-77 - rssi);
 698
 699         if (up_bound < low_bound)
 700                 up_bound = low_bound;
 701
 702         if (r17 > up_bound) {
 703                 rt2500usb_bbp_write(rt2x00dev, 17, up_bound);
 704                 rt2x00dev->link.vgc_level = up_bound;
 705                 return;
 706         }
 707
 708 dynamic_cca_tune:
 709
 710         /*
 711          * R17 is inside the dynamic tuning range,
 712          * start tuning the link based on the false cca counter.
 713          */
 714         if (rt2x00dev->link.qual.false_cca > 512 && r17 < up_bound) {
 715                 rt2500usb_bbp_write(rt2x00dev, 17, ++r17);
 716                 rt2x00dev->link.vgc_level = r17;
 717         } else if (rt2x00dev->link.qual.false_cca < 100 && r17 > low_bound) {
 718                 rt2500usb_bbp_write(rt2x00dev, 17, --r17);
 719                 rt2x00dev->link.vgc_level = r17;
 720         }
 721 }
 722
 723 /*
 724  * Initialization functions.
 725  */
 726 static int rt2500usb_init_registers(struct rt2x00_dev *rt2x00dev)
 727 {
 728         u16 reg;
 729
 730         rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0x0001,
 731                                     USB_MODE_TEST, REGISTER_TIMEOUT);
 732         rt2x00usb_vendor_request_sw(rt2x00dev, USB_SINGLE_WRITE, 0x0308,
 733                                     0x00f0, REGISTER_TIMEOUT);
 734
 735         rt2500usb_register_read(rt2x00dev, TXRX_CSR2, &reg);
 736         rt2x00_set_field16(&reg, TXRX_CSR2_DISABLE_RX, 1);
 737         rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg);
 738
 739         rt2500usb_register_write(rt2x00dev, MAC_CSR13, 0x1111);
 740         rt2500usb_register_write(rt2x00dev, MAC_CSR14, 0x1e11);
 741
 742         rt2500usb_register_read(rt2x00dev, MAC_CSR1, &reg);
 743         rt2x00_set_field16(&reg, MAC_CSR1_SOFT_RESET, 1);
 744         rt2x00_set_field16(&reg, MAC_CSR1_BBP_RESET, 1);
 745         rt2x00_set_field16(&reg, MAC_CSR1_HOST_READY, 0);
 746         rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg);
 747
 748         rt2500usb_register_read(rt2x00dev, MAC_CSR1, &reg);
 749         rt2x00_set_field16(&reg, MAC_CSR1_SOFT_RESET, 0);
 750         rt2x00_set_field16(&reg, MAC_CSR1_BBP_RESET, 0);
 751         rt2x00_set_field16(&reg, MAC_CSR1_HOST_READY, 0);
 752         rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg);
 753
 754         rt2500usb_register_read(rt2x00dev, TXRX_CSR5, &reg);
 755         rt2x00_set_field16(&reg, TXRX_CSR5_BBP_ID0, 13);
 756         rt2x00_set_field16(&reg, TXRX_CSR5_BBP_ID0_VALID, 1);
 757         rt2x00_set_field16(&reg, TXRX_CSR5_BBP_ID1, 12);
 758         rt2x00_set_field16(&reg, TXRX_CSR5_BBP_ID1_VALID, 1);
 759         rt2500usb_register_write(rt2x00dev, TXRX_CSR5, reg);
 760
 761         rt2500usb_register_read(rt2x00dev, TXRX_CSR6, &reg);
 762         rt2x00_set_field16(&reg, TXRX_CSR6_BBP_ID0, 10);
 763         rt2x00_set_field16(&reg, TXRX_CSR6_BBP_ID0_VALID, 1);
 764         rt2x00_set_field16(&reg, TXRX_CSR6_BBP_ID1, 11);
 765         rt2x00_set_field16(&reg, TXRX_CSR6_BBP_ID1_VALID, 1);
 766         rt2500usb_register_write(rt2x00dev, TXRX_CSR6, reg);
 767
 768         rt2500usb_register_read(rt2x00dev, TXRX_CSR7, &reg);
 769         rt2x00_set_field16(&reg, TXRX_CSR7_BBP_ID0, 7);
 770         rt2x00_set_field16(&reg, TXRX_CSR7_BBP_ID0_VALID, 1);
 771         rt2x00_set_field16(&reg, TXRX_CSR7_BBP_ID1, 6);
 772         rt2x00_set_field16(&reg, TXRX_CSR7_BBP_ID1_VALID, 1);
 773         rt2500usb_register_write(rt2x00dev, TXRX_CSR7, reg);
 774
 775         rt2500usb_register_read(rt2x00dev, TXRX_CSR8, &reg);
 776         rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID0, 5);
 777         rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID0_VALID, 1);
 778         rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID1, 0);
 779         rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID1_VALID, 0);
 780         rt2500usb_register_write(rt2x00dev, TXRX_CSR8, reg);
 781
 782         rt2500usb_register_write(rt2x00dev, TXRX_CSR21, 0xe78f);
 783         rt2500usb_register_write(rt2x00dev, MAC_CSR9, 0xff1d);
 784
 785         if (rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_AWAKE))
 786                 return -EBUSY;
 787
 788         rt2500usb_register_read(rt2x00dev, MAC_CSR1, &reg);
 789         rt2x00_set_field16(&reg, MAC_CSR1_SOFT_RESET, 0);
 790         rt2x00_set_field16(&reg, MAC_CSR1_BBP_RESET, 0);
 791         rt2x00_set_field16(&reg, MAC_CSR1_HOST_READY, 1);
 792         rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg);
 793
 794         if (rt2x00_rev(&rt2x00dev->chip) >= RT2570_VERSION_C) {
 795                 rt2500usb_register_read(rt2x00dev, PHY_CSR2, &reg);
 796                 rt2x00_set_field16(&reg, PHY_CSR2_LNA, 0);
 797         } else {
 798                 reg = 0;
 799                 rt2x00_set_field16(&reg, PHY_CSR2_LNA, 1);
 800                 rt2x00_set_field16(&reg, PHY_CSR2_LNA_MODE, 3);
 801         }
 802         rt2500usb_register_write(rt2x00dev, PHY_CSR2, reg);
 803
 804         rt2500usb_register_write(rt2x00dev, MAC_CSR11, 0x0002);
 805         rt2500usb_register_write(rt2x00dev, MAC_CSR22, 0x0053);
 806         rt2500usb_register_write(rt2x00dev, MAC_CSR15, 0x01ee);
 807         rt2500usb_register_write(rt2x00dev, MAC_CSR16, 0x0000);
 808
 809         rt2500usb_register_read(rt2x00dev, MAC_CSR8, &reg);
 810         rt2x00_set_field16(&reg, MAC_CSR8_MAX_FRAME_UNIT,
 811                            rt2x00dev->rx->data_size);
 812         rt2500usb_register_write(rt2x00dev, MAC_CSR8, reg);
 813
 814         rt2500usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
 815         rt2x00_set_field16(&reg, TXRX_CSR0_IV_OFFSET, IEEE80211_HEADER);
 816         rt2x00_set_field16(&reg, TXRX_CSR0_KEY_ID, 0xff);
 817         rt2500usb_register_write(rt2x00dev, TXRX_CSR0, reg);
 818
 819         rt2500usb_register_read(rt2x00dev, MAC_CSR18, &reg);
 820         rt2x00_set_field16(&reg, MAC_CSR18_DELAY_AFTER_BEACON, 90);
 821         rt2500usb_register_write(rt2x00dev, MAC_CSR18, reg);
 822
 823         rt2500usb_register_read(rt2x00dev, PHY_CSR4, &reg);
 824         rt2x00_set_field16(&reg, PHY_CSR4_LOW_RF_LE, 1);
 825         rt2500usb_register_write(rt2x00dev, PHY_CSR4, reg);
 826
 827         rt2500usb_register_read(rt2x00dev, TXRX_CSR1, &reg);
 828         rt2x00_set_field16(&reg, TXRX_CSR1_AUTO_SEQUENCE, 1);
 829         rt2500usb_register_write(rt2x00dev, TXRX_CSR1, reg);
 830
 831         return 0;
 832 }
 833
 834 static int rt2500usb_init_bbp(struct rt2x00_dev *rt2x00dev)
 835 {
 836         unsigned int i;
 837         u16 eeprom;
 838         u8 value;
 839         u8 reg_id;
 840
 841         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
 842                 rt2500usb_bbp_read(rt2x00dev, 0, &value);
 843                 if ((value != 0xff) && (value != 0x00))
 844                         goto continue_csr_init;
 845                 NOTICE(rt2x00dev, "Waiting for BBP register.\n");
 846                 udelay(REGISTER_BUSY_DELAY);
 847         }
 848
 849         ERROR(rt2x00dev, "BBP register access failed, aborting.\n");
 850         return -EACCES;
 851
 852 continue_csr_init:
 853         rt2500usb_bbp_write(rt2x00dev, 3, 0x02);
 854         rt2500usb_bbp_write(rt2x00dev, 4, 0x19);
 855         rt2500usb_bbp_write(rt2x00dev, 14, 0x1c);
 856         rt2500usb_bbp_write(rt2x00dev, 15, 0x30);
 857         rt2500usb_bbp_write(rt2x00dev, 16, 0xac);
 858         rt2500usb_bbp_write(rt2x00dev, 18, 0x18);
 859         rt2500usb_bbp_write(rt2x00dev, 19, 0xff);
 860         rt2500usb_bbp_write(rt2x00dev, 20, 0x1e);
 861         rt2500usb_bbp_write(rt2x00dev, 21, 0x08);
 862         rt2500usb_bbp_write(rt2x00dev, 22, 0x08);
 863         rt2500usb_bbp_write(rt2x00dev, 23, 0x08);
 864         rt2500usb_bbp_write(rt2x00dev, 24, 0x80);
 865         rt2500usb_bbp_write(rt2x00dev, 25, 0x50);
 866         rt2500usb_bbp_write(rt2x00dev, 26, 0x08);
 867         rt2500usb_bbp_write(rt2x00dev, 27, 0x23);
 868         rt2500usb_bbp_write(rt2x00dev, 30, 0x10);
 869         rt2500usb_bbp_write(rt2x00dev, 31, 0x2b);
 870         rt2500usb_bbp_write(rt2x00dev, 32, 0xb9);
 871         rt2500usb_bbp_write(rt2x00dev, 34, 0x12);
 872         rt2500usb_bbp_write(rt2x00dev, 35, 0x50);
 873         rt2500usb_bbp_write(rt2x00dev, 39, 0xc4);
 874         rt2500usb_bbp_write(rt2x00dev, 40, 0x02);
 875         rt2500usb_bbp_write(rt2x00dev, 41, 0x60);
 876         rt2500usb_bbp_write(rt2x00dev, 53, 0x10);
 877         rt2500usb_bbp_write(rt2x00dev, 54, 0x18);
 878         rt2500usb_bbp_write(rt2x00dev, 56, 0x08);
 879         rt2500usb_bbp_write(rt2x00dev, 57, 0x10);
 880         rt2500usb_bbp_write(rt2x00dev, 58, 0x08);
 881         rt2500usb_bbp_write(rt2x00dev, 61, 0x60);
 882         rt2500usb_bbp_write(rt2x00dev, 62, 0x10);
 883         rt2500usb_bbp_write(rt2x00dev, 75, 0xff);
 884
 885         DEBUG(rt2x00dev, "Start initialization from EEPROM...\n");
 886         for (i = 0; i < EEPROM_BBP_SIZE; i++) {
 887                 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
 888
 889                 if (eeprom != 0xffff && eeprom != 0x0000) {
 890                         reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
 891                         value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
 892                         DEBUG(rt2x00dev, "BBP: 0x%02x, value: 0x%02x.\n",
 893                               reg_id, value);
 894                         rt2500usb_bbp_write(rt2x00dev, reg_id, value);
 895                 }
 896         }
 897         DEBUG(rt2x00dev, "...End initialization from EEPROM.\n");
 898
 899         return 0;
 900 }
 901
 902 /*
 903  * Device state switch handlers.
 904  */
 905 static void rt2500usb_toggle_rx(struct rt2x00_dev *rt2x00dev,
 906                                 enum dev_state state)
 907 {
 908         u16 reg;
 909
 910         rt2500usb_register_read(rt2x00dev, TXRX_CSR2, &reg);
 911         rt2x00_set_field16(&reg, TXRX_CSR2_DISABLE_RX,
 912                            state == STATE_RADIO_RX_OFF);
 913         rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg);
 914 }
 915
 916 static int rt2500usb_enable_radio(struct rt2x00_dev *rt2x00dev)
 917 {
 918         /*
 919          * Initialize all registers.
 920          */
 921         if (rt2500usb_init_registers(rt2x00dev) ||
 922             rt2500usb_init_bbp(rt2x00dev)) {
 923                 ERROR(rt2x00dev, "Register initialization failed.\n");
 924                 return -EIO;
 925         }
 926
 927         /*
 928          * Enable LED
 929          */
 930         rt2500usb_enable_led(rt2x00dev);
 931
 932         return 0;
 933 }
 934
 935 static void rt2500usb_disable_radio(struct rt2x00_dev *rt2x00dev)
 936 {
 937         /*
 938          * Disable LED
 939          */
 940         rt2500usb_disable_led(rt2x00dev);
 941
 942         rt2500usb_register_write(rt2x00dev, MAC_CSR13, 0x2121);
 943         rt2500usb_register_write(rt2x00dev, MAC_CSR14, 0x2121);
 944
 945         /*
 946          * Disable synchronisation.
 947          */
 948         rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0);
 949
 950         rt2x00usb_disable_radio(rt2x00dev);
 951 }
 952
 953 static int rt2500usb_set_state(struct rt2x00_dev *rt2x00dev,
 954                                enum dev_state state)
 955 {
 956         u16 reg;
 957         u16 reg2;
 958         unsigned int i;
 959         char put_to_sleep;
 960         char bbp_state;
 961         char rf_state;
 962
 963         put_to_sleep = (state != STATE_AWAKE);
 964
 965         reg = 0;
 966         rt2x00_set_field16(&reg, MAC_CSR17_BBP_DESIRE_STATE, state);
 967         rt2x00_set_field16(&reg, MAC_CSR17_RF_DESIRE_STATE, state);
 968         rt2x00_set_field16(&reg, MAC_CSR17_PUT_TO_SLEEP, put_to_sleep);
 969         rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg);
 970         rt2x00_set_field16(&reg, MAC_CSR17_SET_STATE, 1);
 971         rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg);
 972
 973         /*
 974          * Device is not guaranteed to be in the requested state yet.
 975          * We must wait until the register indicates that the
 976          * device has entered the correct state.
 977          */
 978         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
 979                 rt2500usb_register_read(rt2x00dev, MAC_CSR17, &reg2);
 980                 bbp_state = rt2x00_get_field16(reg2, MAC_CSR17_BBP_CURR_STATE);
 981                 rf_state = rt2x00_get_field16(reg2, MAC_CSR17_RF_CURR_STATE);
 982                 if (bbp_state == state && rf_state == state)
 983                         return 0;
 984                 rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg);
 985                 msleep(30);
 986         }
 987
 988         NOTICE(rt2x00dev, "Device failed to enter state %d, "
 989                "current device state: bbp %d and rf %d.\n",
 990                state, bbp_state, rf_state);
 991
 992         return -EBUSY;
 993 }
 994
 995 static int rt2500usb_set_device_state(struct rt2x00_dev *rt2x00dev,
 996                                       enum dev_state state)
 997 {
 998         int retval = 0;
 999
1000         switch (state) {
1001         case STATE_RADIO_ON:
1002                 retval = rt2500usb_enable_radio(rt2x00dev);
1003                 break;
1004         case STATE_RADIO_OFF:
1005                 rt2500usb_disable_radio(rt2x00dev);
1006                 break;
1007         case STATE_RADIO_RX_ON:
1008         case STATE_RADIO_RX_ON_LINK:
1009                 rt2500usb_toggle_rx(rt2x00dev, STATE_RADIO_RX_ON);
1010                 break;
1011         case STATE_RADIO_RX_OFF:
1012         case STATE_RADIO_RX_OFF_LINK:
1013                 rt2500usb_toggle_rx(rt2x00dev, STATE_RADIO_RX_OFF);
1014                 break;
1015         case STATE_DEEP_SLEEP:
1016         case STATE_SLEEP:
1017         case STATE_STANDBY:
1018         case STATE_AWAKE:
1019                 retval = rt2500usb_set_state(rt2x00dev, state);
1020                 break;
1021         default:
1022                 retval = -ENOTSUPP;
1023                 break;
1024         }
1025
1026         return retval;
1027 }
1028
1029 /*
1030  * TX descriptor initialization
1031  */
1032 static void rt2500usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
1033                                     struct sk_buff *skb,
1034                                     struct txentry_desc *txdesc,
1035                                     struct ieee80211_tx_control *control)
1036 {
1037         struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
1038         __le32 *txd = skbdesc->desc;
1039         u32 word;
1040
1041         /*
1042          * Start writing the descriptor words.
1043          */
1044         rt2x00_desc_read(txd, 1, &word);
1045         rt2x00_set_field32(&word, TXD_W1_IV_OFFSET, IEEE80211_HEADER);
1046         rt2x00_set_field32(&word, TXD_W1_AIFS, txdesc->aifs);
1047         rt2x00_set_field32(&word, TXD_W1_CWMIN, txdesc->cw_min);
1048         rt2x00_set_field32(&word, TXD_W1_CWMAX, txdesc->cw_max);
1049         rt2x00_desc_write(txd, 1, word);
1050
1051         rt2x00_desc_read(txd, 2, &word);
1052         rt2x00_set_field32(&word, TXD_W2_PLCP_SIGNAL, txdesc->signal);
1053         rt2x00_set_field32(&word, TXD_W2_PLCP_SERVICE, txdesc->service);
1054         rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_LOW, txdesc->length_low);
1055         rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_HIGH, txdesc->length_high);
1056         rt2x00_desc_write(txd, 2, word);
1057
1058         rt2x00_desc_read(txd, 0, &word);
1059         rt2x00_set_field32(&word, TXD_W0_RETRY_LIMIT, control->retry_limit);
1060         rt2x00_set_field32(&word, TXD_W0_MORE_FRAG,
1061                            test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
1062         rt2x00_set_field32(&word, TXD_W0_ACK,
1063                            test_bit(ENTRY_TXD_ACK, &txdesc->flags));
1064         rt2x00_set_field32(&word, TXD_W0_TIMESTAMP,
1065                            test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
1066         rt2x00_set_field32(&word, TXD_W0_OFDM,
1067                            test_bit(ENTRY_TXD_OFDM_RATE, &txdesc->flags));
1068         rt2x00_set_field32(&word, TXD_W0_NEW_SEQ,
1069                            !!(control->flags & IEEE80211_TXCTL_FIRST_FRAGMENT));
1070         rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs);
1071         rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, skbdesc->data_len);
1072         rt2x00_set_field32(&word, TXD_W0_CIPHER, CIPHER_NONE);
1073         rt2x00_desc_write(txd, 0, word);
1074 }
1075
1076 static int rt2500usb_get_tx_data_len(struct rt2x00_dev *rt2x00dev,
1077                                      struct sk_buff *skb)
1078 {
1079         int length;
1080
1081         /*
1082          * The length _must_ be a multiple of 2,
1083          * but it must _not_ be a multiple of the USB packet size.
1084          */
1085         length = roundup(skb->len, 2);
1086         length += (2 * !(length % rt2x00dev->usb_maxpacket));
1087
1088         return length;
1089 }
1090
1091 /*
1092  * TX data initialization
1093  */
1094 static void rt2500usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
1095                                     const unsigned int queue)
1096 {
1097         u16 reg;
1098
1099         if (queue != RT2X00_BCN_QUEUE_BEACON)
1100                 return;
1101
1102         rt2500usb_register_read(rt2x00dev, TXRX_CSR19, &reg);
1103         if (!rt2x00_get_field16(reg, TXRX_CSR19_BEACON_GEN)) {
1104                 rt2x00_set_field16(&reg, TXRX_CSR19_BEACON_GEN, 1);
1105                 /*
1106                  * Beacon generation will fail initially.
1107                  * To prevent this we need to register the TXRX_CSR19
1108                  * register several times.
1109                  */
1110                 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
1111                 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0);
1112                 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
1113                 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0);
1114                 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
1115         }
1116 }
1117
1118 /*
1119  * RX control handlers
1120  */
1121 static void rt2500usb_fill_rxdone(struct queue_entry *entry,
1122                                   struct rxdone_entry_desc *rxdesc)
1123 {
1124         struct queue_entry_priv_usb_rx *priv_rx = entry->priv_data;
1125         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
1126         __le32 *rxd =
1127             (__le32 *)(entry->skb->data +
1128                        (priv_rx->urb->actual_length - entry->queue->desc_size));
1129         struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)entry->skb->data;
1130         int header_size = ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_control));
1131         u32 word0;
1132         u32 word1;
1133
1134         rt2x00_desc_read(rxd, 0, &word0);
1135         rt2x00_desc_read(rxd, 1, &word1);
1136
1137         rxdesc->flags = 0;
1138         if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR))
1139                 rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
1140         if (rt2x00_get_field32(word0, RXD_W0_PHYSICAL_ERROR))
1141                 rxdesc->flags |= RX_FLAG_FAILED_PLCP_CRC;
1142
1143         /*
1144          * Obtain the status about this packet.
1145          */
1146         rxdesc->signal = rt2x00_get_field32(word1, RXD_W1_SIGNAL);
1147         rxdesc->rssi = rt2x00_get_field32(word1, RXD_W1_RSSI) -
1148             entry->queue->rt2x00dev->rssi_offset;
1149         rxdesc->ofdm = rt2x00_get_field32(word0, RXD_W0_OFDM);
1150         rxdesc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT);
1151         rxdesc->my_bss = !!rt2x00_get_field32(word0, RXD_W0_MY_BSS);
1152
1153         /*
1154          * The data behind the ieee80211 header must be
1155          * aligned on a 4 byte boundary.
1156          */
1157         if (header_size % 4 == 0) {
1158                 skb_push(entry->skb, 2);
1159                 memmove(entry->skb->data, entry->skb->data + 2,
1160                         entry->skb->len - 2);
1161         }
1162
1163         /*
1164          * Set descriptor pointer.
1165          */
1166         skbdesc->data = entry->skb->data;
1167         skbdesc->data_len = entry->queue->data_size;
1168         skbdesc->desc = entry->skb->data + rxdesc->size;
1169         skbdesc->desc_len = entry->queue->desc_size;
1170
1171         /*
1172          * Remove descriptor from skb buffer and trim the whole thing
1173          * down to only contain data.
1174          */
1175         skb_trim(entry->skb, rxdesc->size);
1176 }
1177
1178 /*
1179  * Interrupt functions.
1180  */
1181 static void rt2500usb_beacondone(struct urb *urb)
1182 {
1183         struct queue_entry *entry = (struct queue_entry *)urb->context;
1184         struct queue_entry_priv_usb_bcn *priv_bcn = entry->priv_data;
1185
1186         if (!test_bit(DEVICE_ENABLED_RADIO, &entry->queue->rt2x00dev->flags))
1187                 return;
1188
1189         /*
1190          * Check if this was the guardian beacon,
1191          * if that was the case we need to send the real beacon now.
1192          * Otherwise we should free the sk_buffer, the device
1193          * should be doing the rest of the work now.
1194          */
1195         if (priv_bcn->guardian_urb == urb) {
1196                 usb_submit_urb(priv_bcn->urb, GFP_ATOMIC);
1197         } else if (priv_bcn->urb == urb) {
1198                 dev_kfree_skb(entry->skb);
1199                 entry->skb = NULL;
1200         }
1201 }
1202
1203 /*
1204  * Device probe functions.
1205  */
1206 static int rt2500usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
1207 {
1208         u16 word;
1209         u8 *mac;
1210         u8 bbp;
1211
1212         rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom, EEPROM_SIZE);
1213
1214         /*
1215          * Start validation of the data that has been read.
1216          */
1217         mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
1218         if (!is_valid_ether_addr(mac)) {
1219                 DECLARE_MAC_BUF(macbuf);
1220
1221                 random_ether_addr(mac);
1222                 EEPROM(rt2x00dev, "MAC: %s\n", print_mac(macbuf, mac));
1223         }
1224
1225         rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
1226         if (word == 0xffff) {
1227                 rt2x00_set_field16(&word, EEPROM_ANTENNA_NUM, 2);
1228                 rt2x00_set_field16(&word, EEPROM_ANTENNA_TX_DEFAULT,
1229                                    ANTENNA_SW_DIVERSITY);
1230                 rt2x00_set_field16(&word, EEPROM_ANTENNA_RX_DEFAULT,
1231                                    ANTENNA_SW_DIVERSITY);
1232                 rt2x00_set_field16(&word, EEPROM_ANTENNA_LED_MODE,
1233                                    LED_MODE_DEFAULT);
1234                 rt2x00_set_field16(&word, EEPROM_ANTENNA_DYN_TXAGC, 0);
1235                 rt2x00_set_field16(&word, EEPROM_ANTENNA_HARDWARE_RADIO, 0);
1236                 rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF2522);
1237                 rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
1238                 EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word);
1239         }
1240
1241         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word);
1242         if (word == 0xffff) {
1243                 rt2x00_set_field16(&word, EEPROM_NIC_CARDBUS_ACCEL, 0);
1244                 rt2x00_set_field16(&word, EEPROM_NIC_DYN_BBP_TUNE, 0);
1245                 rt2x00_set_field16(&word, EEPROM_NIC_CCK_TX_POWER, 0);
1246                 rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word);
1247                 EEPROM(rt2x00dev, "NIC: 0x%04x\n", word);
1248         }
1249
1250         rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &word);
1251         if (word == 0xffff) {
1252                 rt2x00_set_field16(&word, EEPROM_CALIBRATE_OFFSET_RSSI,
1253                                    DEFAULT_RSSI_OFFSET);
1254                 rt2x00_eeprom_write(rt2x00dev, EEPROM_CALIBRATE_OFFSET, word);
1255                 EEPROM(rt2x00dev, "Calibrate offset: 0x%04x\n", word);
1256         }
1257
1258         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE, &word);
1259         if (word == 0xffff) {
1260                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_THRESHOLD, 45);
1261                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE, word);
1262                 EEPROM(rt2x00dev, "BBPtune: 0x%04x\n", word);
1263         }
1264
1265         /*
1266          * Switch lower vgc bound to current BBP R17 value,
1267          * lower the value a bit for better quality.
1268          */
1269         rt2500usb_bbp_read(rt2x00dev, 17, &bbp);
1270         bbp -= 6;
1271
1272         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &word);
1273         if (word == 0xffff) {
1274                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCUPPER, 0x40);
1275                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCLOWER, bbp);
1276                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_VGC, word);
1277                 EEPROM(rt2x00dev, "BBPtune vgc: 0x%04x\n", word);
1278         }
1279
1280         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R17, &word);
1281         if (word == 0xffff) {
1282                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R17_LOW, 0x48);
1283                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R17_HIGH, 0x41);
1284                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R17, word);
1285                 EEPROM(rt2x00dev, "BBPtune r17: 0x%04x\n", word);
1286         } else {
1287                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCLOWER, bbp);
1288                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_VGC, word);
1289         }
1290
1291         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &word);
1292         if (word == 0xffff) {
1293                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R24_LOW, 0x40);
1294                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R24_HIGH, 0x80);
1295                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R24, word);
1296                 EEPROM(rt2x00dev, "BBPtune r24: 0x%04x\n", word);
1297         }
1298
1299         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &word);
1300         if (word == 0xffff) {
1301                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R25_LOW, 0x40);
1302                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R25_HIGH, 0x50);
1303                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R25, word);
1304                 EEPROM(rt2x00dev, "BBPtune r25: 0x%04x\n", word);
1305         }
1306
1307         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &word);
1308         if (word == 0xffff) {
1309                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R61_LOW, 0x60);
1310                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R61_HIGH, 0x6d);
1311                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R61, word);
1312                 EEPROM(rt2x00dev, "BBPtune r61: 0x%04x\n", word);
1313         }
1314
1315         return 0;
1316 }
1317
1318 static int rt2500usb_init_eeprom(struct rt2x00_dev *rt2x00dev)
1319 {
1320         u16 reg;
1321         u16 value;
1322         u16 eeprom;
1323
1324         /*
1325          * Read EEPROM word for configuration.
1326          */
1327         rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
1328
1329         /*
1330          * Identify RF chipset.
1331          */
1332         value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
1333         rt2500usb_register_read(rt2x00dev, MAC_CSR0, &reg);
1334         rt2x00_set_chip(rt2x00dev, RT2570, value, reg);
1335
1336         if (!rt2x00_check_rev(&rt2x00dev->chip, 0)) {
1337                 ERROR(rt2x00dev, "Invalid RT chipset detected.\n");
1338                 return -ENODEV;
1339         }
1340
1341         if (!rt2x00_rf(&rt2x00dev->chip, RF2522) &&
1342             !rt2x00_rf(&rt2x00dev->chip, RF2523) &&
1343             !rt2x00_rf(&rt2x00dev->chip, RF2524) &&
1344             !rt2x00_rf(&rt2x00dev->chip, RF2525) &&
1345             !rt2x00_rf(&rt2x00dev->chip, RF2525E) &&
1346             !rt2x00_rf(&rt2x00dev->chip, RF5222)) {
1347                 ERROR(rt2x00dev, "Invalid RF chipset detected.\n");
1348                 return -ENODEV;
1349         }
1350
1351         /*
1352          * Identify default antenna configuration.
1353          */
1354         rt2x00dev->default_ant.tx =
1355             rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TX_DEFAULT);
1356         rt2x00dev->default_ant.rx =
1357             rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_DEFAULT);
1358
1359         /*
1360          * When the eeprom indicates SW_DIVERSITY use HW_DIVERSITY instead.
1361          * I am not 100% sure about this, but the legacy drivers do not
1362          * indicate antenna swapping in software is required when
1363          * diversity is enabled.
1364          */
1365         if (rt2x00dev->default_ant.tx == ANTENNA_SW_DIVERSITY)
1366                 rt2x00dev->default_ant.tx = ANTENNA_HW_DIVERSITY;
1367         if (rt2x00dev->default_ant.rx == ANTENNA_SW_DIVERSITY)
1368                 rt2x00dev->default_ant.rx = ANTENNA_HW_DIVERSITY;
1369
1370         /*
1371          * Store led mode, for correct led behaviour.
1372          */
1373         rt2x00dev->led_mode =
1374             rt2x00_get_field16(eeprom, EEPROM_ANTENNA_LED_MODE);
1375
1376         /*
1377          * Check if the BBP tuning should be disabled.
1378          */
1379         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom);
1380         if (rt2x00_get_field16(eeprom, EEPROM_NIC_DYN_BBP_TUNE))
1381                 __set_bit(CONFIG_DISABLE_LINK_TUNING, &rt2x00dev->flags);
1382
1383         /*
1384          * Read the RSSI <-> dBm offset information.
1385          */
1386         rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &eeprom);
1387         rt2x00dev->rssi_offset =
1388             rt2x00_get_field16(eeprom, EEPROM_CALIBRATE_OFFSET_RSSI);
1389
1390         return 0;
1391 }
1392
1393 /*
1394  * RF value list for RF2522
1395  * Supports: 2.4 GHz
1396  */
1397 static const struct rf_channel rf_vals_bg_2522[] = {
1398         { 1,  0x00002050, 0x000c1fda, 0x00000101, 0 },
1399         { 2,  0x00002050, 0x000c1fee, 0x00000101, 0 },
1400         { 3,  0x00002050, 0x000c2002, 0x00000101, 0 },
1401         { 4,  0x00002050, 0x000c2016, 0x00000101, 0 },
1402         { 5,  0x00002050, 0x000c202a, 0x00000101, 0 },
1403         { 6,  0x00002050, 0x000c203e, 0x00000101, 0 },
1404         { 7,  0x00002050, 0x000c2052, 0x00000101, 0 },
1405         { 8,  0x00002050, 0x000c2066, 0x00000101, 0 },
1406         { 9,  0x00002050, 0x000c207a, 0x00000101, 0 },
1407         { 10, 0x00002050, 0x000c208e, 0x00000101, 0 },
1408         { 11, 0x00002050, 0x000c20a2, 0x00000101, 0 },
1409         { 12, 0x00002050, 0x000c20b6, 0x00000101, 0 },
1410         { 13, 0x00002050, 0x000c20ca, 0x00000101, 0 },
1411         { 14, 0x00002050, 0x000c20fa, 0x00000101, 0 },
1412 };
1413
1414 /*
1415  * RF value list for RF2523
1416  * Supports: 2.4 GHz
1417  */
1418 static const struct rf_channel rf_vals_bg_2523[] = {
1419         { 1,  0x00022010, 0x00000c9e, 0x000e0111, 0x00000a1b },
1420         { 2,  0x00022010, 0x00000ca2, 0x000e0111, 0x00000a1b },
1421         { 3,  0x00022010, 0x00000ca6, 0x000e0111, 0x00000a1b },
1422         { 4,  0x00022010, 0x00000caa, 0x000e0111, 0x00000a1b },
1423         { 5,  0x00022010, 0x00000cae, 0x000e0111, 0x00000a1b },
1424         { 6,  0x00022010, 0x00000cb2, 0x000e0111, 0x00000a1b },
1425         { 7,  0x00022010, 0x00000cb6, 0x000e0111, 0x00000a1b },
1426         { 8,  0x00022010, 0x00000cba, 0x000e0111, 0x00000a1b },
1427         { 9,  0x00022010, 0x00000cbe, 0x000e0111, 0x00000a1b },
1428         { 10, 0x00022010, 0x00000d02, 0x000e0111, 0x00000a1b },
1429         { 11, 0x00022010, 0x00000d06, 0x000e0111, 0x00000a1b },
1430         { 12, 0x00022010, 0x00000d0a, 0x000e0111, 0x00000a1b },
1431         { 13, 0x00022010, 0x00000d0e, 0x000e0111, 0x00000a1b },
1432         { 14, 0x00022010, 0x00000d1a, 0x000e0111, 0x00000a03 },
1433 };
1434
1435 /*
1436  * RF value list for RF2524
1437  * Supports: 2.4 GHz
1438  */
1439 static const struct rf_channel rf_vals_bg_2524[] = {
1440         { 1,  0x00032020, 0x00000c9e, 0x00000101, 0x00000a1b },
1441         { 2,  0x00032020, 0x00000ca2, 0x00000101, 0x00000a1b },
1442         { 3,  0x00032020, 0x00000ca6, 0x00000101, 0x00000a1b },
1443         { 4,  0x00032020, 0x00000caa, 0x00000101, 0x00000a1b },
1444         { 5,  0x00032020, 0x00000cae, 0x00000101, 0x00000a1b },
1445         { 6,  0x00032020, 0x00000cb2, 0x00000101, 0x00000a1b },
1446         { 7,  0x00032020, 0x00000cb6, 0x00000101, 0x00000a1b },
1447         { 8,  0x00032020, 0x00000cba, 0x00000101, 0x00000a1b },
1448         { 9,  0x00032020, 0x00000cbe, 0x00000101, 0x00000a1b },
1449         { 10, 0x00032020, 0x00000d02, 0x00000101, 0x00000a1b },
1450         { 11, 0x00032020, 0x00000d06, 0x00000101, 0x00000a1b },
1451         { 12, 0x00032020, 0x00000d0a, 0x00000101, 0x00000a1b },
1452         { 13, 0x00032020, 0x00000d0e, 0x00000101, 0x00000a1b },
1453         { 14, 0x00032020, 0x00000d1a, 0x00000101, 0x00000a03 },
1454 };
1455
1456 /*
1457  * RF value list for RF2525
1458  * Supports: 2.4 GHz
1459  */
1460 static const struct rf_channel rf_vals_bg_2525[] = {
1461         { 1,  0x00022020, 0x00080c9e, 0x00060111, 0x00000a1b },
1462         { 2,  0x00022020, 0x00080ca2, 0x00060111, 0x00000a1b },
1463         { 3,  0x00022020, 0x00080ca6, 0x00060111, 0x00000a1b },
1464         { 4,  0x00022020, 0x00080caa, 0x00060111, 0x00000a1b },
1465         { 5,  0x00022020, 0x00080cae, 0x00060111, 0x00000a1b },
1466         { 6,  0x00022020, 0x00080cb2, 0x00060111, 0x00000a1b },
1467         { 7,  0x00022020, 0x00080cb6, 0x00060111, 0x00000a1b },
1468         { 8,  0x00022020, 0x00080cba, 0x00060111, 0x00000a1b },
1469         { 9,  0x00022020, 0x00080cbe, 0x00060111, 0x00000a1b },
1470         { 10, 0x00022020, 0x00080d02, 0x00060111, 0x00000a1b },
1471         { 11, 0x00022020, 0x00080d06, 0x00060111, 0x00000a1b },
1472         { 12, 0x00022020, 0x00080d0a, 0x00060111, 0x00000a1b },
1473         { 13, 0x00022020, 0x00080d0e, 0x00060111, 0x00000a1b },
1474         { 14, 0x00022020, 0x00080d1a, 0x00060111, 0x00000a03 },
1475 };
1476
1477 /*
1478  * RF value list for RF2525e
1479  * Supports: 2.4 GHz
1480  */
1481 static const struct rf_channel rf_vals_bg_2525e[] = {
1482         { 1,  0x00022010, 0x0000089a, 0x00060111, 0x00000e1b },
1483         { 2,  0x00022010, 0x0000089e, 0x00060111, 0x00000e07 },
1484         { 3,  0x00022010, 0x0000089e, 0x00060111, 0x00000e1b },
1485         { 4,  0x00022010, 0x000008a2, 0x00060111, 0x00000e07 },
1486         { 5,  0x00022010, 0x000008a2, 0x00060111, 0x00000e1b },
1487         { 6,  0x00022010, 0x000008a6, 0x00060111, 0x00000e07 },
1488         { 7,  0x00022010, 0x000008a6, 0x00060111, 0x00000e1b },
1489         { 8,  0x00022010, 0x000008aa, 0x00060111, 0x00000e07 },
1490         { 9,  0x00022010, 0x000008aa, 0x00060111, 0x00000e1b },
1491         { 10, 0x00022010, 0x000008ae, 0x00060111, 0x00000e07 },
1492         { 11, 0x00022010, 0x000008ae, 0x00060111, 0x00000e1b },
1493         { 12, 0x00022010, 0x000008b2, 0x00060111, 0x00000e07 },
1494         { 13, 0x00022010, 0x000008b2, 0x00060111, 0x00000e1b },
1495         { 14, 0x00022010, 0x000008b6, 0x00060111, 0x00000e23 },
1496 };
1497
1498 /*
1499  * RF value list for RF5222
1500  * Supports: 2.4 GHz & 5.2 GHz
1501  */
1502 static const struct rf_channel rf_vals_5222[] = {
1503         { 1,  0x00022020, 0x00001136, 0x00000101, 0x00000a0b },
1504         { 2,  0x00022020, 0x0000113a, 0x00000101, 0x00000a0b },
1505         { 3,  0x00022020, 0x0000113e, 0x00000101, 0x00000a0b },
1506         { 4,  0x00022020, 0x00001182, 0x00000101, 0x00000a0b },
1507         { 5,  0x00022020, 0x00001186, 0x00000101, 0x00000a0b },
1508         { 6,  0x00022020, 0x0000118a, 0x00000101, 0x00000a0b },
1509         { 7,  0x00022020, 0x0000118e, 0x00000101, 0x00000a0b },
1510         { 8,  0x00022020, 0x00001192, 0x00000101, 0x00000a0b },
1511         { 9,  0x00022020, 0x00001196, 0x00000101, 0x00000a0b },
1512         { 10, 0x00022020, 0x0000119a, 0x00000101, 0x00000a0b },
1513         { 11, 0x00022020, 0x0000119e, 0x00000101, 0x00000a0b },
1514         { 12, 0x00022020, 0x000011a2, 0x00000101, 0x00000a0b },
1515         { 13, 0x00022020, 0x000011a6, 0x00000101, 0x00000a0b },
1516         { 14, 0x00022020, 0x000011ae, 0x00000101, 0x00000a1b },
1517
1518         /* 802.11 UNI / HyperLan 2 */
1519         { 36, 0x00022010, 0x00018896, 0x00000101, 0x00000a1f },
1520         { 40, 0x00022010, 0x0001889a, 0x00000101, 0x00000a1f },
1521         { 44, 0x00022010, 0x0001889e, 0x00000101, 0x00000a1f },
1522         { 48, 0x00022010, 0x000188a2, 0x00000101, 0x00000a1f },
1523         { 52, 0x00022010, 0x000188a6, 0x00000101, 0x00000a1f },
1524         { 66, 0x00022010, 0x000188aa, 0x00000101, 0x00000a1f },
1525         { 60, 0x00022010, 0x000188ae, 0x00000101, 0x00000a1f },
1526         { 64, 0x00022010, 0x000188b2, 0x00000101, 0x00000a1f },
1527
1528         /* 802.11 HyperLan 2 */
1529         { 100, 0x00022010, 0x00008802, 0x00000101, 0x00000a0f },
1530         { 104, 0x00022010, 0x00008806, 0x00000101, 0x00000a0f },
1531         { 108, 0x00022010, 0x0000880a, 0x00000101, 0x00000a0f },
1532         { 112, 0x00022010, 0x0000880e, 0x00000101, 0x00000a0f },
1533         { 116, 0x00022010, 0x00008812, 0x00000101, 0x00000a0f },
1534         { 120, 0x00022010, 0x00008816, 0x00000101, 0x00000a0f },
1535         { 124, 0x00022010, 0x0000881a, 0x00000101, 0x00000a0f },
1536         { 128, 0x00022010, 0x0000881e, 0x00000101, 0x00000a0f },
1537         { 132, 0x00022010, 0x00008822, 0x00000101, 0x00000a0f },
1538         { 136, 0x00022010, 0x00008826, 0x00000101, 0x00000a0f },
1539
1540         /* 802.11 UNII */
1541         { 140, 0x00022010, 0x0000882a, 0x00000101, 0x00000a0f },
1542         { 149, 0x00022020, 0x000090a6, 0x00000101, 0x00000a07 },
1543         { 153, 0x00022020, 0x000090ae, 0x00000101, 0x00000a07 },
1544         { 157, 0x00022020, 0x000090b6, 0x00000101, 0x00000a07 },
1545         { 161, 0x00022020, 0x000090be, 0x00000101, 0x00000a07 },
1546 };
1547
1548 static void rt2500usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
1549 {
1550         struct hw_mode_spec *spec = &rt2x00dev->spec;
1551         u8 *txpower;
1552         unsigned int i;
1553
1554         /*
1555          * Initialize all hw fields.
1556          */
1557         rt2x00dev->hw->flags =
1558             IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE |
1559             IEEE80211_HW_RX_INCLUDES_FCS |
1560             IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING;
1561         rt2x00dev->hw->extra_tx_headroom = TXD_DESC_SIZE;
1562         rt2x00dev->hw->max_signal = MAX_SIGNAL;
1563         rt2x00dev->hw->max_rssi = MAX_RX_SSI;
1564         rt2x00dev->hw->queues = 2;
1565
1566         SET_IEEE80211_DEV(rt2x00dev->hw, &rt2x00dev_usb(rt2x00dev)->dev);
1567         SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
1568                                 rt2x00_eeprom_addr(rt2x00dev,
1569                                                    EEPROM_MAC_ADDR_0));
1570
1571         /*
1572          * Convert tx_power array in eeprom.
1573          */
1574         txpower = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_START);
1575         for (i = 0; i < 14; i++)
1576                 txpower[i] = TXPOWER_FROM_DEV(txpower[i]);
1577
1578         /*
1579          * Initialize hw_mode information.
1580          */
1581         spec->num_modes = 2;
1582         spec->num_rates = 12;
1583         spec->tx_power_a = NULL;
1584         spec->tx_power_bg = txpower;
1585         spec->tx_power_default = DEFAULT_TXPOWER;
1586
1587         if (rt2x00_rf(&rt2x00dev->chip, RF2522)) {
1588                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2522);
1589                 spec->channels = rf_vals_bg_2522;
1590         } else if (rt2x00_rf(&rt2x00dev->chip, RF2523)) {
1591                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2523);
1592                 spec->channels = rf_vals_bg_2523;
1593         } else if (rt2x00_rf(&rt2x00dev->chip, RF2524)) {
1594                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2524);
1595                 spec->channels = rf_vals_bg_2524;
1596         } else if (rt2x00_rf(&rt2x00dev->chip, RF2525)) {
1597                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525);
1598                 spec->channels = rf_vals_bg_2525;
1599         } else if (rt2x00_rf(&rt2x00dev->chip, RF2525E)) {
1600                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525e);
1601                 spec->channels = rf_vals_bg_2525e;
1602         } else if (rt2x00_rf(&rt2x00dev->chip, RF5222)) {
1603                 spec->num_channels = ARRAY_SIZE(rf_vals_5222);
1604                 spec->channels = rf_vals_5222;
1605                 spec->num_modes = 3;
1606         }
1607 }
1608
1609 static int rt2500usb_probe_hw(struct rt2x00_dev *rt2x00dev)
1610 {
1611         int retval;
1612
1613         /*
1614          * Allocate eeprom data.
1615          */
1616         retval = rt2500usb_validate_eeprom(rt2x00dev);
1617         if (retval)
1618                 return retval;
1619
1620         retval = rt2500usb_init_eeprom(rt2x00dev);
1621         if (retval)
1622                 return retval;
1623
1624         /*
1625          * Initialize hw specifications.
1626          */
1627         rt2500usb_probe_hw_mode(rt2x00dev);
1628
1629         /*
1630          * This device requires the atim queue
1631          */
1632         __set_bit(DRIVER_REQUIRE_ATIM_QUEUE, &rt2x00dev->flags);
1633         __set_bit(DRIVER_REQUIRE_BEACON_GUARD, &rt2x00dev->flags);
1634
1635         /*
1636          * Set the rssi offset.
1637          */
1638         rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
1639
1640         return 0;
1641 }
1642
1643 /*
1644  * IEEE80211 stack callback functions.
1645  */
1646 static void rt2500usb_configure_filter(struct ieee80211_hw *hw,
1647                                        unsigned int changed_flags,
1648                                        unsigned int *total_flags,
1649                                        int mc_count,
1650                                        struct dev_addr_list *mc_list)
1651 {
1652         struct rt2x00_dev *rt2x00dev = hw->priv;
1653         u16 reg;
1654
1655         /*
1656          * Mask off any flags we are going to ignore from
1657          * the total_flags field.
1658          */
1659         *total_flags &=
1660             FIF_ALLMULTI |
1661             FIF_FCSFAIL |
1662             FIF_PLCPFAIL |
1663             FIF_CONTROL |
1664             FIF_OTHER_BSS |
1665             FIF_PROMISC_IN_BSS;
1666
1667         /*
1668          * Apply some rules to the filters:
1669          * - Some filters imply different filters to be set.
1670          * - Some things we can't filter out at all.
1671          */
1672         if (mc_count)
1673                 *total_flags |= FIF_ALLMULTI;
1674         if (*total_flags & FIF_OTHER_BSS ||
1675             *total_flags & FIF_PROMISC_IN_BSS)
1676                 *total_flags |= FIF_PROMISC_IN_BSS | FIF_OTHER_BSS;
1677
1678         /*
1679          * Check if there is any work left for us.
1680          */
1681         if (rt2x00dev->packet_filter == *total_flags)
1682                 return;
1683         rt2x00dev->packet_filter = *total_flags;
1684
1685         /*
1686          * When in atomic context, reschedule and let rt2x00lib
1687          * call this function again.
1688          */
1689         if (in_atomic()) {
1690                 queue_work(rt2x00dev->hw->workqueue, &rt2x00dev->filter_work);
1691                 return;
1692         }
1693
1694         /*
1695          * Start configuration steps.
1696          * Note that the version error will always be dropped
1697          * and broadcast frames will always be accepted since
1698          * there is no filter for it at this time.
1699          */
1700         rt2500usb_register_read(rt2x00dev, TXRX_CSR2, &reg);
1701         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_CRC,
1702                            !(*total_flags & FIF_FCSFAIL));
1703         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_PHYSICAL,
1704                            !(*total_flags & FIF_PLCPFAIL));
1705         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_CONTROL,
1706                            !(*total_flags & FIF_CONTROL));
1707         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_NOT_TO_ME,
1708                            !(*total_flags & FIF_PROMISC_IN_BSS));
1709         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_TODS,
1710                            !(*total_flags & FIF_PROMISC_IN_BSS));
1711         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_VERSION_ERROR, 1);
1712         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_MULTICAST,
1713                            !(*total_flags & FIF_ALLMULTI));
1714         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_BROADCAST, 0);
1715         rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg);
1716 }
1717
1718 static int rt2500usb_beacon_update(struct ieee80211_hw *hw,
1719                                    struct sk_buff *skb,
1720                                    struct ieee80211_tx_control *control)
1721 {
1722         struct rt2x00_dev *rt2x00dev = hw->priv;
1723         struct usb_device *usb_dev = rt2x00dev_usb_dev(rt2x00dev);
1724         struct rt2x00_intf *intf = vif_to_intf(control->vif);
1725         struct queue_entry_priv_usb_bcn *priv_bcn;
1726         struct skb_frame_desc *skbdesc;
1727         int pipe = usb_sndbulkpipe(usb_dev, 1);
1728         int length;
1729
1730         if (unlikely(!intf->beacon))
1731                 return -ENOBUFS;
1732
1733         priv_bcn = intf->beacon->priv_data;
1734
1735         /*
1736          * Add the descriptor in front of the skb.
1737          */
1738         skb_push(skb, intf->beacon->queue->desc_size);
1739         memset(skb->data, 0, intf->beacon->queue->desc_size);
1740
1741         /*
1742          * Fill in skb descriptor
1743          */
1744         skbdesc = get_skb_frame_desc(skb);
1745         memset(skbdesc, 0, sizeof(*skbdesc));
1746         skbdesc->data = skb->data + intf->beacon->queue->desc_size;
1747         skbdesc->data_len = skb->len - intf->beacon->queue->desc_size;
1748         skbdesc->desc = skb->data;
1749         skbdesc->desc_len = intf->beacon->queue->desc_size;
1750         skbdesc->entry = intf->beacon;
1751
1752         /*
1753          * mac80211 doesn't provide the control->queue variable
1754          * for beacons. Set our own queue identification so
1755          * it can be used during descriptor initialization.
1756          */
1757         control->queue = RT2X00_BCN_QUEUE_BEACON;
1758         rt2x00lib_write_tx_desc(rt2x00dev, skb, control);
1759
1760         /*
1761          * USB devices cannot blindly pass the skb->len as the
1762          * length of the data to usb_fill_bulk_urb. Pass the skb
1763          * to the driver to determine what the length should be.
1764          */
1765         length = rt2500usb_get_tx_data_len(rt2x00dev, skb);
1766
1767         usb_fill_bulk_urb(priv_bcn->urb, usb_dev, pipe,
1768                           skb->data, length, rt2500usb_beacondone,
1769                           intf->beacon);
1770
1771         /*
1772          * Second we need to create the guardian byte.
1773          * We only need a single byte, so lets recycle
1774          * the 'flags' field we are not using for beacons.
1775          */
1776         priv_bcn->guardian_data = 0;
1777         usb_fill_bulk_urb(priv_bcn->guardian_urb, usb_dev, pipe,
1778                           &priv_bcn->guardian_data, 1, rt2500usb_beacondone,
1779                           intf->beacon);
1780
1781         /*
1782          * Send out the guardian byte.
1783          */
1784         usb_submit_urb(priv_bcn->guardian_urb, GFP_ATOMIC);
1785
1786         /*
1787          * Enable beacon generation.
1788          */
1789         rt2500usb_kick_tx_queue(rt2x00dev, control->queue);
1790
1791         return 0;
1792 }
1793
1794 static const struct ieee80211_ops rt2500usb_mac80211_ops = {
1795         .tx                     = rt2x00mac_tx,
1796         .start                  = rt2x00mac_start,
1797         .stop                   = rt2x00mac_stop,
1798         .add_interface          = rt2x00mac_add_interface,
1799         .remove_interface       = rt2x00mac_remove_interface,
1800         .config                 = rt2x00mac_config,
1801         .config_interface       = rt2x00mac_config_interface,
1802         .configure_filter       = rt2500usb_configure_filter,
1803         .get_stats              = rt2x00mac_get_stats,
1804         .bss_info_changed       = rt2x00mac_bss_info_changed,
1805         .conf_tx                = rt2x00mac_conf_tx,
1806         .get_tx_stats           = rt2x00mac_get_tx_stats,
1807         .beacon_update          = rt2500usb_beacon_update,
1808 };
1809
1810 static const struct rt2x00lib_ops rt2500usb_rt2x00_ops = {
1811         .probe_hw               = rt2500usb_probe_hw,
1812         .initialize             = rt2x00usb_initialize,
1813         .uninitialize           = rt2x00usb_uninitialize,
1814         .init_rxentry           = rt2x00usb_init_rxentry,
1815         .init_txentry           = rt2x00usb_init_txentry,
1816         .set_device_state       = rt2500usb_set_device_state,
1817         .link_stats             = rt2500usb_link_stats,
1818         .reset_tuner            = rt2500usb_reset_tuner,
1819         .link_tuner             = rt2500usb_link_tuner,
1820         .write_tx_desc          = rt2500usb_write_tx_desc,
1821         .write_tx_data          = rt2x00usb_write_tx_data,
1822         .get_tx_data_len        = rt2500usb_get_tx_data_len,
1823         .kick_tx_queue          = rt2500usb_kick_tx_queue,
1824         .fill_rxdone            = rt2500usb_fill_rxdone,
1825         .config_intf            = rt2500usb_config_intf,
1826         .config_preamble        = rt2500usb_config_preamble,
1827         .config                 = rt2500usb_config,
1828 };
1829
1830 static const struct data_queue_desc rt2500usb_queue_rx = {
1831         .entry_num              = RX_ENTRIES,
1832         .data_size              = DATA_FRAME_SIZE,
1833         .desc_size              = RXD_DESC_SIZE,
1834         .priv_size              = sizeof(struct queue_entry_priv_usb_rx),
1835 };
1836
1837 static const struct data_queue_desc rt2500usb_queue_tx = {
1838         .entry_num              = TX_ENTRIES,
1839         .data_size              = DATA_FRAME_SIZE,
1840         .desc_size              = TXD_DESC_SIZE,
1841         .priv_size              = sizeof(struct queue_entry_priv_usb_tx),
1842 };
1843
1844 static const struct data_queue_desc rt2500usb_queue_bcn = {
1845         .entry_num              = BEACON_ENTRIES,
1846         .data_size              = MGMT_FRAME_SIZE,
1847         .desc_size              = TXD_DESC_SIZE,
1848         .priv_size              = sizeof(struct queue_entry_priv_usb_bcn),
1849 };
1850
1851 static const struct data_queue_desc rt2500usb_queue_atim = {
1852         .entry_num              = ATIM_ENTRIES,
1853         .data_size              = DATA_FRAME_SIZE,
1854         .desc_size              = TXD_DESC_SIZE,
1855         .priv_size              = sizeof(struct queue_entry_priv_usb_tx),
1856 };
1857
1858 static const struct rt2x00_ops rt2500usb_ops = {
1859         .name           = KBUILD_MODNAME,
1860         .max_sta_intf   = 1,
1861         .max_ap_intf    = 1,
1862         .eeprom_size    = EEPROM_SIZE,
1863         .rf_size        = RF_SIZE,
1864         .rx             = &rt2500usb_queue_rx,
1865         .tx             = &rt2500usb_queue_tx,
1866         .bcn            = &rt2500usb_queue_bcn,
1867         .atim           = &rt2500usb_queue_atim,
1868         .lib            = &rt2500usb_rt2x00_ops,
1869         .hw             = &rt2500usb_mac80211_ops,
1870 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
1871         .debugfs        = &rt2500usb_rt2x00debug,
1872 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
1873 };
1874
1875 /*
1876  * rt2500usb module information.
1877  */
1878 static struct usb_device_id rt2500usb_device_table[] = {
1879         /* ASUS */
1880         { USB_DEVICE(0x0b05, 0x1706), USB_DEVICE_DATA(&rt2500usb_ops) },
1881         { USB_DEVICE(0x0b05, 0x1707), USB_DEVICE_DATA(&rt2500usb_ops) },
1882         /* Belkin */
1883         { USB_DEVICE(0x050d, 0x7050), USB_DEVICE_DATA(&rt2500usb_ops) },
1884         { USB_DEVICE(0x050d, 0x7051), USB_DEVICE_DATA(&rt2500usb_ops) },
1885         { USB_DEVICE(0x050d, 0x705a), USB_DEVICE_DATA(&rt2500usb_ops) },
1886         /* Cisco Systems */
1887         { USB_DEVICE(0x13b1, 0x000d), USB_DEVICE_DATA(&rt2500usb_ops) },
1888         { USB_DEVICE(0x13b1, 0x0011), USB_DEVICE_DATA(&rt2500usb_ops) },
1889         { USB_DEVICE(0x13b1, 0x001a), USB_DEVICE_DATA(&rt2500usb_ops) },
1890         /* Conceptronic */
1891         { USB_DEVICE(0x14b2, 0x3c02), USB_DEVICE_DATA(&rt2500usb_ops) },
1892         /* D-LINK */
1893         { USB_DEVICE(0x2001, 0x3c00), USB_DEVICE_DATA(&rt2500usb_ops) },
1894         /* Gigabyte */
1895         { USB_DEVICE(0x1044, 0x8001), USB_DEVICE_DATA(&rt2500usb_ops) },
1896         { USB_DEVICE(0x1044, 0x8007), USB_DEVICE_DATA(&rt2500usb_ops) },
1897         /* Hercules */
1898         { USB_DEVICE(0x06f8, 0xe000), USB_DEVICE_DATA(&rt2500usb_ops) },
1899         /* Melco */
1900         { USB_DEVICE(0x0411, 0x005e), USB_DEVICE_DATA(&rt2500usb_ops) },
1901         { USB_DEVICE(0x0411, 0x0066), USB_DEVICE_DATA(&rt2500usb_ops) },
1902         { USB_DEVICE(0x0411, 0x0067), USB_DEVICE_DATA(&rt2500usb_ops) },
1903         { USB_DEVICE(0x0411, 0x008b), USB_DEVICE_DATA(&rt2500usb_ops) },
1904         { USB_DEVICE(0x0411, 0x0097), USB_DEVICE_DATA(&rt2500usb_ops) },
1905         /* MSI */
1906         { USB_DEVICE(0x0db0, 0x6861), USB_DEVICE_DATA(&rt2500usb_ops) },
1907         { USB_DEVICE(0x0db0, 0x6865), USB_DEVICE_DATA(&rt2500usb_ops) },
1908         { USB_DEVICE(0x0db0, 0x6869), USB_DEVICE_DATA(&rt2500usb_ops) },
1909         /* Ralink */
1910         { USB_DEVICE(0x148f, 0x1706), USB_DEVICE_DATA(&rt2500usb_ops) },
1911         { USB_DEVICE(0x148f, 0x2570), USB_DEVICE_DATA(&rt2500usb_ops) },
1912         { USB_DEVICE(0x148f, 0x2573), USB_DEVICE_DATA(&rt2500usb_ops) },
1913         { USB_DEVICE(0x148f, 0x9020), USB_DEVICE_DATA(&rt2500usb_ops) },
1914         /* Siemens */
1915         { USB_DEVICE(0x0681, 0x3c06), USB_DEVICE_DATA(&rt2500usb_ops) },
1916         /* SMC */
1917         { USB_DEVICE(0x0707, 0xee13), USB_DEVICE_DATA(&rt2500usb_ops) },
1918         /* Spairon */
1919         { USB_DEVICE(0x114b, 0x0110), USB_DEVICE_DATA(&rt2500usb_ops) },
1920         /* Trust */
1921         { USB_DEVICE(0x0eb0, 0x9020), USB_DEVICE_DATA(&rt2500usb_ops) },
1922         /* Zinwell */
1923         { USB_DEVICE(0x5a57, 0x0260), USB_DEVICE_DATA(&rt2500usb_ops) },
1924         { 0, }
1925 };
1926
1927 MODULE_AUTHOR(DRV_PROJECT);
1928 MODULE_VERSION(DRV_VERSION);
1929 MODULE_DESCRIPTION("Ralink RT2500 USB Wireless LAN driver.");
1930 MODULE_SUPPORTED_DEVICE("Ralink RT2570 USB chipset based cards");
1931 MODULE_DEVICE_TABLE(usb, rt2500usb_device_table);
1932 MODULE_LICENSE("GPL");
1933
1934 static struct usb_driver rt2500usb_driver = {
1935         .name           = KBUILD_MODNAME,
1936         .id_table       = rt2500usb_device_table,
1937         .probe          = rt2x00usb_probe,
1938         .disconnect     = rt2x00usb_disconnect,
1939         .suspend        = rt2x00usb_suspend,
1940         .resume         = rt2x00usb_resume,
1941 };
1942
1943 static int __init rt2500usb_init(void)
1944 {
1945         return usb_register(&rt2500usb_driver);
1946 }
1947
1948 static void __exit rt2500usb_exit(void)
1949 {
1950         usb_deregister(&rt2500usb_driver);
1951 }
1952
1953 module_init(rt2500usb_init);
1954 module_exit(rt2500usb_exit);