drivers/net/wireless/rt2x00/rt2500usb.c

   1 /*
   2         Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
   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/slab.h>
  33 #include <linux/usb.h>
  34
  35 #include "rt2x00.h"
  36 #include "rt2x00usb.h"
  37 #include "rt2500usb.h"
  38
  39 /*
  40  * Allow hardware encryption to be disabled.
  41  */
  42 static int modparam_nohwcrypt = 0;
  43 module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
  44 MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
  45
  46 /*
  47  * Register access.
  48  * All access to the CSR registers will go through the methods
  49  * rt2500usb_register_read and rt2500usb_register_write.
  50  * BBP and RF register require indirect register access,
  51  * and use the CSR registers BBPCSR and RFCSR to achieve this.
  52  * These indirect registers work with busy bits,
  53  * and we will try maximal REGISTER_BUSY_COUNT times to access
  54  * the register while taking a REGISTER_BUSY_DELAY us delay
  55  * between each attampt. When the busy bit is still set at that time,
  56  * the access attempt is considered to have failed,
  57  * and we will print an error.
  58  * If the csr_mutex is already held then the _lock variants must
  59  * be used instead.
  60  */
  61 static inline void rt2500usb_register_read(struct rt2x00_dev *rt2x00dev,
  62                                            const unsigned int offset,
  63                                            u16 *value)
  64 {
  65         __le16 reg;
  66         rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ,
  67                                       USB_VENDOR_REQUEST_IN, offset,
  68                                       &reg, sizeof(reg), REGISTER_TIMEOUT);
  69         *value = le16_to_cpu(reg);
  70 }
  71
  72 static inline void rt2500usb_register_read_lock(struct rt2x00_dev *rt2x00dev,
  73                                                 const unsigned int offset,
  74                                                 u16 *value)
  75 {
  76         __le16 reg;
  77         rt2x00usb_vendor_req_buff_lock(rt2x00dev, USB_MULTI_READ,
  78                                        USB_VENDOR_REQUEST_IN, offset,
  79                                        &reg, sizeof(reg), REGISTER_TIMEOUT);
  80         *value = le16_to_cpu(reg);
  81 }
  82
  83 static inline void rt2500usb_register_multiread(struct rt2x00_dev *rt2x00dev,
  84                                                 const unsigned int offset,
  85                                                 void *value, const u16 length)
  86 {
  87         rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ,
  88                                       USB_VENDOR_REQUEST_IN, offset,
  89                                       value, length,
  90                                       REGISTER_TIMEOUT16(length));
  91 }
  92
  93 static inline void rt2500usb_register_write(struct rt2x00_dev *rt2x00dev,
  94                                             const unsigned int offset,
  95                                             u16 value)
  96 {
  97         __le16 reg = cpu_to_le16(value);
  98         rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE,
  99                                       USB_VENDOR_REQUEST_OUT, offset,
 100                                       &reg, sizeof(reg), REGISTER_TIMEOUT);
 101 }
 102
 103 static inline void rt2500usb_register_write_lock(struct rt2x00_dev *rt2x00dev,
 104                                                  const unsigned int offset,
 105                                                  u16 value)
 106 {
 107         __le16 reg = cpu_to_le16(value);
 108         rt2x00usb_vendor_req_buff_lock(rt2x00dev, USB_MULTI_WRITE,
 109                                        USB_VENDOR_REQUEST_OUT, offset,
 110                                        &reg, sizeof(reg), REGISTER_TIMEOUT);
 111 }
 112
 113 static inline void rt2500usb_register_multiwrite(struct rt2x00_dev *rt2x00dev,
 114                                                  const unsigned int offset,
 115                                                  void *value, const u16 length)
 116 {
 117         rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE,
 118                                       USB_VENDOR_REQUEST_OUT, offset,
 119                                       value, length,
 120                                       REGISTER_TIMEOUT16(length));
 121 }
 122
 123 static int rt2500usb_regbusy_read(struct rt2x00_dev *rt2x00dev,
 124                                   const unsigned int offset,
 125                                   struct rt2x00_field16 field,
 126                                   u16 *reg)
 127 {
 128         unsigned int i;
 129
 130         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
 131                 rt2500usb_register_read_lock(rt2x00dev, offset, reg);
 132                 if (!rt2x00_get_field16(*reg, field))
 133                         return 1;
 134                 udelay(REGISTER_BUSY_DELAY);
 135         }
 136
 137         ERROR(rt2x00dev, "Indirect register access failed: "
 138               "offset=0x%.08x, value=0x%.08x\n", offset, *reg);
 139         *reg = ~0;
 140
 141         return 0;
 142 }
 143
 144 #define WAIT_FOR_BBP(__dev, __reg) \
 145         rt2500usb_regbusy_read((__dev), PHY_CSR8, PHY_CSR8_BUSY, (__reg))
 146 #define WAIT_FOR_RF(__dev, __reg) \
 147         rt2500usb_regbusy_read((__dev), PHY_CSR10, PHY_CSR10_RF_BUSY, (__reg))
 148
 149 static void rt2500usb_bbp_write(struct rt2x00_dev *rt2x00dev,
 150                                 const unsigned int word, const u8 value)
 151 {
 152         u16 reg;
 153
 154         mutex_lock(&rt2x00dev->csr_mutex);
 155
 156         /*
 157          * Wait until the BBP becomes available, afterwards we
 158          * can safely write the new data into the register.
 159          */
 160         if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
 161                 reg = 0;
 162                 rt2x00_set_field16(&reg, PHY_CSR7_DATA, value);
 163                 rt2x00_set_field16(&reg, PHY_CSR7_REG_ID, word);
 164                 rt2x00_set_field16(&reg, PHY_CSR7_READ_CONTROL, 0);
 165
 166                 rt2500usb_register_write_lock(rt2x00dev, PHY_CSR7, reg);
 167         }
 168
 169         mutex_unlock(&rt2x00dev->csr_mutex);
 170 }
 171
 172 static void rt2500usb_bbp_read(struct rt2x00_dev *rt2x00dev,
 173                                const unsigned int word, u8 *value)
 174 {
 175         u16 reg;
 176
 177         mutex_lock(&rt2x00dev->csr_mutex);
 178
 179         /*
 180          * Wait until the BBP becomes available, afterwards we
 181          * can safely write the read request into the register.
 182          * After the data has been written, we wait until hardware
 183          * returns the correct value, if at any time the register
 184          * doesn't become available in time, reg will be 0xffffffff
 185          * which means we return 0xff to the caller.
 186          */
 187         if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
 188                 reg = 0;
 189                 rt2x00_set_field16(&reg, PHY_CSR7_REG_ID, word);
 190                 rt2x00_set_field16(&reg, PHY_CSR7_READ_CONTROL, 1);
 191
 192                 rt2500usb_register_write_lock(rt2x00dev, PHY_CSR7, reg);
 193
 194                 if (WAIT_FOR_BBP(rt2x00dev, &reg))
 195                         rt2500usb_register_read_lock(rt2x00dev, PHY_CSR7, &reg);
 196         }
 197
 198         *value = rt2x00_get_field16(reg, PHY_CSR7_DATA);
 199
 200         mutex_unlock(&rt2x00dev->csr_mutex);
 201 }
 202
 203 static void rt2500usb_rf_write(struct rt2x00_dev *rt2x00dev,
 204                                const unsigned int word, const u32 value)
 205 {
 206         u16 reg;
 207
 208         mutex_lock(&rt2x00dev->csr_mutex);
 209
 210         /*
 211          * Wait until the RF becomes available, afterwards we
 212          * can safely write the new data into the register.
 213          */
 214         if (WAIT_FOR_RF(rt2x00dev, &reg)) {
 215                 reg = 0;
 216                 rt2x00_set_field16(&reg, PHY_CSR9_RF_VALUE, value);
 217                 rt2500usb_register_write_lock(rt2x00dev, PHY_CSR9, reg);
 218
 219                 reg = 0;
 220                 rt2x00_set_field16(&reg, PHY_CSR10_RF_VALUE, value >> 16);
 221                 rt2x00_set_field16(&reg, PHY_CSR10_RF_NUMBER_OF_BITS, 20);
 222                 rt2x00_set_field16(&reg, PHY_CSR10_RF_IF_SELECT, 0);
 223                 rt2x00_set_field16(&reg, PHY_CSR10_RF_BUSY, 1);
 224
 225                 rt2500usb_register_write_lock(rt2x00dev, PHY_CSR10, reg);
 226                 rt2x00_rf_write(rt2x00dev, word, value);
 227         }
 228
 229         mutex_unlock(&rt2x00dev->csr_mutex);
 230 }
 231
 232 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
 233 static void _rt2500usb_register_read(struct rt2x00_dev *rt2x00dev,
 234                                      const unsigned int offset,
 235                                      u32 *value)
 236 {
 237         rt2500usb_register_read(rt2x00dev, offset, (u16 *)value);
 238 }
 239
 240 static void _rt2500usb_register_write(struct rt2x00_dev *rt2x00dev,
 241                                       const unsigned int offset,
 242                                       u32 value)
 243 {
 244         rt2500usb_register_write(rt2x00dev, offset, value);
 245 }
 246
 247 static const struct rt2x00debug rt2500usb_rt2x00debug = {
 248         .owner  = THIS_MODULE,
 249         .csr    = {
 250                 .read           = _rt2500usb_register_read,
 251                 .write          = _rt2500usb_register_write,
 252                 .flags          = RT2X00DEBUGFS_OFFSET,
 253                 .word_base      = CSR_REG_BASE,
 254                 .word_size      = sizeof(u16),
 255                 .word_count     = CSR_REG_SIZE / sizeof(u16),
 256         },
 257         .eeprom = {
 258                 .read           = rt2x00_eeprom_read,
 259                 .write          = rt2x00_eeprom_write,
 260                 .word_base      = EEPROM_BASE,
 261                 .word_size      = sizeof(u16),
 262                 .word_count     = EEPROM_SIZE / sizeof(u16),
 263         },
 264         .bbp    = {
 265                 .read           = rt2500usb_bbp_read,
 266                 .write          = rt2500usb_bbp_write,
 267                 .word_base      = BBP_BASE,
 268                 .word_size      = sizeof(u8),
 269                 .word_count     = BBP_SIZE / sizeof(u8),
 270         },
 271         .rf     = {
 272                 .read           = rt2x00_rf_read,
 273                 .write          = rt2500usb_rf_write,
 274                 .word_base      = RF_BASE,
 275                 .word_size      = sizeof(u32),
 276                 .word_count     = RF_SIZE / sizeof(u32),
 277         },
 278 };
 279 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
 280
 281 static int rt2500usb_rfkill_poll(struct rt2x00_dev *rt2x00dev)
 282 {
 283         u16 reg;
 284
 285         rt2500usb_register_read(rt2x00dev, MAC_CSR19, &reg);
 286         return rt2x00_get_field32(reg, MAC_CSR19_BIT7);
 287 }
 288
 289 #ifdef CONFIG_RT2X00_LIB_LEDS
 290 static void rt2500usb_brightness_set(struct led_classdev *led_cdev,
 291                                      enum led_brightness brightness)
 292 {
 293         struct rt2x00_led *led =
 294             container_of(led_cdev, struct rt2x00_led, led_dev);
 295         unsigned int enabled = brightness != LED_OFF;
 296         u16 reg;
 297
 298         rt2500usb_register_read(led->rt2x00dev, MAC_CSR20, &reg);
 299
 300         if (led->type == LED_TYPE_RADIO || led->type == LED_TYPE_ASSOC)
 301                 rt2x00_set_field16(&reg, MAC_CSR20_LINK, enabled);
 302         else if (led->type == LED_TYPE_ACTIVITY)
 303                 rt2x00_set_field16(&reg, MAC_CSR20_ACTIVITY, enabled);
 304
 305         rt2500usb_register_write(led->rt2x00dev, MAC_CSR20, reg);
 306 }
 307
 308 static int rt2500usb_blink_set(struct led_classdev *led_cdev,
 309                                unsigned long *delay_on,
 310                                unsigned long *delay_off)
 311 {
 312         struct rt2x00_led *led =
 313             container_of(led_cdev, struct rt2x00_led, led_dev);
 314         u16 reg;
 315
 316         rt2500usb_register_read(led->rt2x00dev, MAC_CSR21, &reg);
 317         rt2x00_set_field16(&reg, MAC_CSR21_ON_PERIOD, *delay_on);
 318         rt2x00_set_field16(&reg, MAC_CSR21_OFF_PERIOD, *delay_off);
 319         rt2500usb_register_write(led->rt2x00dev, MAC_CSR21, reg);
 320
 321         return 0;
 322 }
 323
 324 static void rt2500usb_init_led(struct rt2x00_dev *rt2x00dev,
 325                                struct rt2x00_led *led,
 326                                enum led_type type)
 327 {
 328         led->rt2x00dev = rt2x00dev;
 329         led->type = type;
 330         led->led_dev.brightness_set = rt2500usb_brightness_set;
 331         led->led_dev.blink_set = rt2500usb_blink_set;
 332         led->flags = LED_INITIALIZED;
 333 }
 334 #endif /* CONFIG_RT2X00_LIB_LEDS */
 335
 336 /*
 337  * Configuration handlers.
 338  */
 339
 340 /*
 341  * rt2500usb does not differentiate between shared and pairwise
 342  * keys, so we should use the same function for both key types.
 343  */
 344 static int rt2500usb_config_key(struct rt2x00_dev *rt2x00dev,
 345                                 struct rt2x00lib_crypto *crypto,
 346                                 struct ieee80211_key_conf *key)
 347 {
 348         u32 mask;
 349         u16 reg;
 350         enum cipher curr_cipher;
 351
 352         if (crypto->cmd == SET_KEY) {
 353                 /*
 354                  * Disallow to set WEP key other than with index 0,
 355                  * it is known that not work at least on some hardware.
 356                  * SW crypto will be used in that case.
 357                  */
 358                 if ((key->cipher == WLAN_CIPHER_SUITE_WEP40 ||
 359                      key->cipher == WLAN_CIPHER_SUITE_WEP104) &&
 360                     key->keyidx != 0)
 361                         return -EOPNOTSUPP;
 362
 363                 /*
 364                  * Pairwise key will always be entry 0, but this
 365                  * could collide with a shared key on the same
 366                  * position...
 367                  */
 368                 mask = TXRX_CSR0_KEY_ID.bit_mask;
 369
 370                 rt2500usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
 371                 curr_cipher = rt2x00_get_field16(reg, TXRX_CSR0_ALGORITHM);
 372                 reg &= mask;
 373
 374                 if (reg && reg == mask)
 375                         return -ENOSPC;
 376
 377                 reg = rt2x00_get_field16(reg, TXRX_CSR0_KEY_ID);
 378
 379                 key->hw_key_idx += reg ? ffz(reg) : 0;
 380                 /*
 381                  * Hardware requires that all keys use the same cipher
 382                  * (e.g. TKIP-only, AES-only, but not TKIP+AES).
 383                  * If this is not the first key, compare the cipher with the
 384                  * first one and fall back to SW crypto if not the same.
 385                  */
 386                 if (key->hw_key_idx > 0 && crypto->cipher != curr_cipher)
 387                         return -EOPNOTSUPP;
 388
 389                 rt2500usb_register_multiwrite(rt2x00dev, KEY_ENTRY(key->hw_key_idx),
 390                                               crypto->key, sizeof(crypto->key));
 391
 392                 /*
 393                  * The driver does not support the IV/EIV generation
 394                  * in hardware. However it demands the data to be provided
 395                  * both separately as well as inside the frame.
 396                  * We already provided the CONFIG_CRYPTO_COPY_IV to rt2x00lib
 397                  * to ensure rt2x00lib will not strip the data from the
 398                  * frame after the copy, now we must tell mac80211
 399                  * to generate the IV/EIV data.
 400                  */
 401                 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
 402                 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
 403         }
 404
 405         /*
 406          * TXRX_CSR0_KEY_ID contains only single-bit fields to indicate
 407          * a particular key is valid.
 408          */
 409         rt2500usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
 410         rt2x00_set_field16(&reg, TXRX_CSR0_ALGORITHM, crypto->cipher);
 411         rt2x00_set_field16(&reg, TXRX_CSR0_IV_OFFSET, IEEE80211_HEADER);
 412
 413         mask = rt2x00_get_field16(reg, TXRX_CSR0_KEY_ID);
 414         if (crypto->cmd == SET_KEY)
 415                 mask |= 1 << key->hw_key_idx;
 416         else if (crypto->cmd == DISABLE_KEY)
 417                 mask &= ~(1 << key->hw_key_idx);
 418         rt2x00_set_field16(&reg, TXRX_CSR0_KEY_ID, mask);
 419         rt2500usb_register_write(rt2x00dev, TXRX_CSR0, reg);
 420
 421         return 0;
 422 }
 423
 424 static void rt2500usb_config_filter(struct rt2x00_dev *rt2x00dev,
 425                                     const unsigned int filter_flags)
 426 {
 427         u16 reg;
 428
 429         /*
 430          * Start configuration steps.
 431          * Note that the version error will always be dropped
 432          * and broadcast frames will always be accepted since
 433          * there is no filter for it at this time.
 434          */
 435         rt2500usb_register_read(rt2x00dev, TXRX_CSR2, &reg);
 436         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_CRC,
 437                            !(filter_flags & FIF_FCSFAIL));
 438         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_PHYSICAL,
 439                            !(filter_flags & FIF_PLCPFAIL));
 440         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_CONTROL,
 441                            !(filter_flags & FIF_CONTROL));
 442         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_NOT_TO_ME,
 443                            !(filter_flags & FIF_PROMISC_IN_BSS));
 444         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_TODS,
 445                            !(filter_flags & FIF_PROMISC_IN_BSS) &&
 446                            !rt2x00dev->intf_ap_count);
 447         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_VERSION_ERROR, 1);
 448         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_MULTICAST,
 449                            !(filter_flags & FIF_ALLMULTI));
 450         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_BROADCAST, 0);
 451         rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg);
 452 }
 453
 454 static void rt2500usb_config_intf(struct rt2x00_dev *rt2x00dev,
 455                                   struct rt2x00_intf *intf,
 456                                   struct rt2x00intf_conf *conf,
 457                                   const unsigned int flags)
 458 {
 459         unsigned int bcn_preload;
 460         u16 reg;
 461
 462         if (flags & CONFIG_UPDATE_TYPE) {
 463                 /*
 464                  * Enable beacon config
 465                  */
 466                 bcn_preload = PREAMBLE + GET_DURATION(IEEE80211_HEADER, 20);
 467                 rt2500usb_register_read(rt2x00dev, TXRX_CSR20, &reg);
 468                 rt2x00_set_field16(&reg, TXRX_CSR20_OFFSET, bcn_preload >> 6);
 469                 rt2x00_set_field16(&reg, TXRX_CSR20_BCN_EXPECT_WINDOW,
 470                                    2 * (conf->type != NL80211_IFTYPE_STATION));
 471                 rt2500usb_register_write(rt2x00dev, TXRX_CSR20, reg);
 472
 473                 /*
 474                  * Enable synchronisation.
 475                  */
 476                 rt2500usb_register_read(rt2x00dev, TXRX_CSR18, &reg);
 477                 rt2x00_set_field16(&reg, TXRX_CSR18_OFFSET, 0);
 478                 rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg);
 479
 480                 rt2500usb_register_read(rt2x00dev, TXRX_CSR19, &reg);
 481                 rt2x00_set_field16(&reg, TXRX_CSR19_TSF_COUNT, 1);
 482                 rt2x00_set_field16(&reg, TXRX_CSR19_TSF_SYNC, conf->sync);
 483                 rt2x00_set_field16(&reg, TXRX_CSR19_TBCN, 1);
 484                 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
 485         }
 486
 487         if (flags & CONFIG_UPDATE_MAC)
 488                 rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR2, conf->mac,
 489                                               (3 * sizeof(__le16)));
 490
 491         if (flags & CONFIG_UPDATE_BSSID)
 492                 rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR5, conf->bssid,
 493                                               (3 * sizeof(__le16)));
 494 }
 495
 496 static void rt2500usb_config_erp(struct rt2x00_dev *rt2x00dev,
 497                                  struct rt2x00lib_erp *erp)
 498 {
 499         u16 reg;
 500
 501         rt2500usb_register_read(rt2x00dev, TXRX_CSR10, &reg);
 502         rt2x00_set_field16(&reg, TXRX_CSR10_AUTORESPOND_PREAMBLE,
 503                            !!erp->short_preamble);
 504         rt2500usb_register_write(rt2x00dev, TXRX_CSR10, reg);
 505
 506         rt2500usb_register_write(rt2x00dev, TXRX_CSR11, erp->basic_rates);
 507
 508         rt2500usb_register_read(rt2x00dev, TXRX_CSR18, &reg);
 509         rt2x00_set_field16(&reg, TXRX_CSR18_INTERVAL, erp->beacon_int * 4);
 510         rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg);
 511
 512         rt2500usb_register_write(rt2x00dev, MAC_CSR10, erp->slot_time);
 513         rt2500usb_register_write(rt2x00dev, MAC_CSR11, erp->sifs);
 514         rt2500usb_register_write(rt2x00dev, MAC_CSR12, erp->eifs);
 515 }
 516
 517 static void rt2500usb_config_ant(struct rt2x00_dev *rt2x00dev,
 518                                  struct antenna_setup *ant)
 519 {
 520         u8 r2;
 521         u8 r14;
 522         u16 csr5;
 523         u16 csr6;
 524
 525         /*
 526          * We should never come here because rt2x00lib is supposed
 527          * to catch this and send us the correct antenna explicitely.
 528          */
 529         BUG_ON(ant->rx == ANTENNA_SW_DIVERSITY ||
 530                ant->tx == ANTENNA_SW_DIVERSITY);
 531
 532         rt2500usb_bbp_read(rt2x00dev, 2, &r2);
 533         rt2500usb_bbp_read(rt2x00dev, 14, &r14);
 534         rt2500usb_register_read(rt2x00dev, PHY_CSR5, &csr5);
 535         rt2500usb_register_read(rt2x00dev, PHY_CSR6, &csr6);
 536
 537         /*
 538          * Configure the TX antenna.
 539          */
 540         switch (ant->tx) {
 541         case ANTENNA_HW_DIVERSITY:
 542                 rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 1);
 543                 rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 1);
 544                 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 1);
 545                 break;
 546         case ANTENNA_A:
 547                 rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 0);
 548                 rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 0);
 549                 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 0);
 550                 break;
 551         case ANTENNA_B:
 552         default:
 553                 rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 2);
 554                 rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 2);
 555                 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 2);
 556                 break;
 557         }
 558
 559         /*
 560          * Configure the RX antenna.
 561          */
 562         switch (ant->rx) {
 563         case ANTENNA_HW_DIVERSITY:
 564                 rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 1);
 565                 break;
 566         case ANTENNA_A:
 567                 rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 0);
 568                 break;
 569         case ANTENNA_B:
 570         default:
 571                 rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 2);
 572                 break;
 573         }
 574
 575         /*
 576          * RT2525E and RT5222 need to flip TX I/Q
 577          */
 578         if (rt2x00_rf(rt2x00dev, RF2525E) || rt2x00_rf(rt2x00dev, RF5222)) {
 579                 rt2x00_set_field8(&r2, BBP_R2_TX_IQ_FLIP, 1);
 580                 rt2x00_set_field16(&csr5, PHY_CSR5_CCK_FLIP, 1);
 581                 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM_FLIP, 1);
 582
 583                 /*
 584                  * RT2525E does not need RX I/Q Flip.
 585                  */
 586                 if (rt2x00_rf(rt2x00dev, RF2525E))
 587                         rt2x00_set_field8(&r14, BBP_R14_RX_IQ_FLIP, 0);
 588         } else {
 589                 rt2x00_set_field16(&csr5, PHY_CSR5_CCK_FLIP, 0);
 590                 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM_FLIP, 0);
 591         }
 592
 593         rt2500usb_bbp_write(rt2x00dev, 2, r2);
 594         rt2500usb_bbp_write(rt2x00dev, 14, r14);
 595         rt2500usb_register_write(rt2x00dev, PHY_CSR5, csr5);
 596         rt2500usb_register_write(rt2x00dev, PHY_CSR6, csr6);
 597 }
 598
 599 static void rt2500usb_config_channel(struct rt2x00_dev *rt2x00dev,
 600                                      struct rf_channel *rf, const int txpower)
 601 {
 602         /*
 603          * Set TXpower.
 604          */
 605         rt2x00_set_field32(&rf->rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
 606
 607         /*
 608          * For RT2525E we should first set the channel to half band higher.
 609          */
 610         if (rt2x00_rf(rt2x00dev, RF2525E)) {
 611                 static const u32 vals[] = {
 612                         0x000008aa, 0x000008ae, 0x000008ae, 0x000008b2,
 613                         0x000008b2, 0x000008b6, 0x000008b6, 0x000008ba,
 614                         0x000008ba, 0x000008be, 0x000008b7, 0x00000902,
 615                         0x00000902, 0x00000906
 616                 };
 617
 618                 rt2500usb_rf_write(rt2x00dev, 2, vals[rf->channel - 1]);
 619                 if (rf->rf4)
 620                         rt2500usb_rf_write(rt2x00dev, 4, rf->rf4);
 621         }
 622
 623         rt2500usb_rf_write(rt2x00dev, 1, rf->rf1);
 624         rt2500usb_rf_write(rt2x00dev, 2, rf->rf2);
 625         rt2500usb_rf_write(rt2x00dev, 3, rf->rf3);
 626         if (rf->rf4)
 627                 rt2500usb_rf_write(rt2x00dev, 4, rf->rf4);
 628 }
 629
 630 static void rt2500usb_config_txpower(struct rt2x00_dev *rt2x00dev,
 631                                      const int txpower)
 632 {
 633         u32 rf3;
 634
 635         rt2x00_rf_read(rt2x00dev, 3, &rf3);
 636         rt2x00_set_field32(&rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
 637         rt2500usb_rf_write(rt2x00dev, 3, rf3);
 638 }
 639
 640 static void rt2500usb_config_ps(struct rt2x00_dev *rt2x00dev,
 641                                 struct rt2x00lib_conf *libconf)
 642 {
 643         enum dev_state state =
 644             (libconf->conf->flags & IEEE80211_CONF_PS) ?
 645                 STATE_SLEEP : STATE_AWAKE;
 646         u16 reg;
 647
 648         if (state == STATE_SLEEP) {
 649                 rt2500usb_register_read(rt2x00dev, MAC_CSR18, &reg);
 650                 rt2x00_set_field16(&reg, MAC_CSR18_DELAY_AFTER_BEACON,
 651                                    rt2x00dev->beacon_int - 20);
 652                 rt2x00_set_field16(&reg, MAC_CSR18_BEACONS_BEFORE_WAKEUP,
 653                                    libconf->conf->listen_interval - 1);
 654
 655                 /* We must first disable autowake before it can be enabled */
 656                 rt2x00_set_field16(&reg, MAC_CSR18_AUTO_WAKE, 0);
 657                 rt2500usb_register_write(rt2x00dev, MAC_CSR18, reg);
 658
 659                 rt2x00_set_field16(&reg, MAC_CSR18_AUTO_WAKE, 1);
 660                 rt2500usb_register_write(rt2x00dev, MAC_CSR18, reg);
 661         } else {
 662                 rt2500usb_register_read(rt2x00dev, MAC_CSR18, &reg);
 663                 rt2x00_set_field16(&reg, MAC_CSR18_AUTO_WAKE, 0);
 664                 rt2500usb_register_write(rt2x00dev, MAC_CSR18, reg);
 665         }
 666
 667         rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
 668 }
 669
 670 static void rt2500usb_config(struct rt2x00_dev *rt2x00dev,
 671                              struct rt2x00lib_conf *libconf,
 672                              const unsigned int flags)
 673 {
 674         if (flags & IEEE80211_CONF_CHANGE_CHANNEL)
 675                 rt2500usb_config_channel(rt2x00dev, &libconf->rf,
 676                                          libconf->conf->power_level);
 677         if ((flags & IEEE80211_CONF_CHANGE_POWER) &&
 678             !(flags & IEEE80211_CONF_CHANGE_CHANNEL))
 679                 rt2500usb_config_txpower(rt2x00dev,
 680                                          libconf->conf->power_level);
 681         if (flags & IEEE80211_CONF_CHANGE_PS)
 682                 rt2500usb_config_ps(rt2x00dev, libconf);
 683 }
 684
 685 /*
 686  * Link tuning
 687  */
 688 static void rt2500usb_link_stats(struct rt2x00_dev *rt2x00dev,
 689                                  struct link_qual *qual)
 690 {
 691         u16 reg;
 692
 693         /*
 694          * Update FCS error count from register.
 695          */
 696         rt2500usb_register_read(rt2x00dev, STA_CSR0, &reg);
 697         qual->rx_failed = rt2x00_get_field16(reg, STA_CSR0_FCS_ERROR);
 698
 699         /*
 700          * Update False CCA count from register.
 701          */
 702         rt2500usb_register_read(rt2x00dev, STA_CSR3, &reg);
 703         qual->false_cca = rt2x00_get_field16(reg, STA_CSR3_FALSE_CCA_ERROR);
 704 }
 705
 706 static void rt2500usb_reset_tuner(struct rt2x00_dev *rt2x00dev,
 707                                   struct link_qual *qual)
 708 {
 709         u16 eeprom;
 710         u16 value;
 711
 712         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &eeprom);
 713         value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R24_LOW);
 714         rt2500usb_bbp_write(rt2x00dev, 24, value);
 715
 716         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &eeprom);
 717         value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R25_LOW);
 718         rt2500usb_bbp_write(rt2x00dev, 25, value);
 719
 720         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &eeprom);
 721         value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R61_LOW);
 722         rt2500usb_bbp_write(rt2x00dev, 61, value);
 723
 724         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &eeprom);
 725         value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_VGCUPPER);
 726         rt2500usb_bbp_write(rt2x00dev, 17, value);
 727
 728         qual->vgc_level = value;
 729 }
 730
 731 /*
 732  * Initialization functions.
 733  */
 734 static int rt2500usb_init_registers(struct rt2x00_dev *rt2x00dev)
 735 {
 736         u16 reg;
 737
 738         rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0x0001,
 739                                     USB_MODE_TEST, REGISTER_TIMEOUT);
 740         rt2x00usb_vendor_request_sw(rt2x00dev, USB_SINGLE_WRITE, 0x0308,
 741                                     0x00f0, REGISTER_TIMEOUT);
 742
 743         rt2500usb_register_read(rt2x00dev, TXRX_CSR2, &reg);
 744         rt2x00_set_field16(&reg, TXRX_CSR2_DISABLE_RX, 1);
 745         rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg);
 746
 747         rt2500usb_register_write(rt2x00dev, MAC_CSR13, 0x1111);
 748         rt2500usb_register_write(rt2x00dev, MAC_CSR14, 0x1e11);
 749
 750         rt2500usb_register_read(rt2x00dev, MAC_CSR1, &reg);
 751         rt2x00_set_field16(&reg, MAC_CSR1_SOFT_RESET, 1);
 752         rt2x00_set_field16(&reg, MAC_CSR1_BBP_RESET, 1);
 753         rt2x00_set_field16(&reg, MAC_CSR1_HOST_READY, 0);
 754         rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg);
 755
 756         rt2500usb_register_read(rt2x00dev, MAC_CSR1, &reg);
 757         rt2x00_set_field16(&reg, MAC_CSR1_SOFT_RESET, 0);
 758         rt2x00_set_field16(&reg, MAC_CSR1_BBP_RESET, 0);
 759         rt2x00_set_field16(&reg, MAC_CSR1_HOST_READY, 0);
 760         rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg);
 761
 762         rt2500usb_register_read(rt2x00dev, TXRX_CSR5, &reg);
 763         rt2x00_set_field16(&reg, TXRX_CSR5_BBP_ID0, 13);
 764         rt2x00_set_field16(&reg, TXRX_CSR5_BBP_ID0_VALID, 1);
 765         rt2x00_set_field16(&reg, TXRX_CSR5_BBP_ID1, 12);
 766         rt2x00_set_field16(&reg, TXRX_CSR5_BBP_ID1_VALID, 1);
 767         rt2500usb_register_write(rt2x00dev, TXRX_CSR5, reg);
 768
 769         rt2500usb_register_read(rt2x00dev, TXRX_CSR6, &reg);
 770         rt2x00_set_field16(&reg, TXRX_CSR6_BBP_ID0, 10);
 771         rt2x00_set_field16(&reg, TXRX_CSR6_BBP_ID0_VALID, 1);
 772         rt2x00_set_field16(&reg, TXRX_CSR6_BBP_ID1, 11);
 773         rt2x00_set_field16(&reg, TXRX_CSR6_BBP_ID1_VALID, 1);
 774         rt2500usb_register_write(rt2x00dev, TXRX_CSR6, reg);
 775
 776         rt2500usb_register_read(rt2x00dev, TXRX_CSR7, &reg);
 777         rt2x00_set_field16(&reg, TXRX_CSR7_BBP_ID0, 7);
 778         rt2x00_set_field16(&reg, TXRX_CSR7_BBP_ID0_VALID, 1);
 779         rt2x00_set_field16(&reg, TXRX_CSR7_BBP_ID1, 6);
 780         rt2x00_set_field16(&reg, TXRX_CSR7_BBP_ID1_VALID, 1);
 781         rt2500usb_register_write(rt2x00dev, TXRX_CSR7, reg);
 782
 783         rt2500usb_register_read(rt2x00dev, TXRX_CSR8, &reg);
 784         rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID0, 5);
 785         rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID0_VALID, 1);
 786         rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID1, 0);
 787         rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID1_VALID, 0);
 788         rt2500usb_register_write(rt2x00dev, TXRX_CSR8, reg);
 789
 790         rt2500usb_register_read(rt2x00dev, TXRX_CSR19, &reg);
 791         rt2x00_set_field16(&reg, TXRX_CSR19_TSF_COUNT, 0);
 792         rt2x00_set_field16(&reg, TXRX_CSR19_TSF_SYNC, 0);
 793         rt2x00_set_field16(&reg, TXRX_CSR19_TBCN, 0);
 794         rt2x00_set_field16(&reg, TXRX_CSR19_BEACON_GEN, 0);
 795         rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 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) >= 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_ALGORITHM, CIPHER_NONE);
 831         rt2x00_set_field16(&reg, TXRX_CSR0_IV_OFFSET, IEEE80211_HEADER);
 832         rt2x00_set_field16(&reg, TXRX_CSR0_KEY_ID, 0);
 833         rt2500usb_register_write(rt2x00dev, TXRX_CSR0, reg);
 834
 835         rt2500usb_register_read(rt2x00dev, MAC_CSR18, &reg);
 836         rt2x00_set_field16(&reg, MAC_CSR18_DELAY_AFTER_BEACON, 90);
 837         rt2500usb_register_write(rt2x00dev, MAC_CSR18, reg);
 838
 839         rt2500usb_register_read(rt2x00dev, PHY_CSR4, &reg);
 840         rt2x00_set_field16(&reg, PHY_CSR4_LOW_RF_LE, 1);
 841         rt2500usb_register_write(rt2x00dev, PHY_CSR4, reg);
 842
 843         rt2500usb_register_read(rt2x00dev, TXRX_CSR1, &reg);
 844         rt2x00_set_field16(&reg, TXRX_CSR1_AUTO_SEQUENCE, 1);
 845         rt2500usb_register_write(rt2x00dev, TXRX_CSR1, reg);
 846
 847         return 0;
 848 }
 849
 850 static int rt2500usb_wait_bbp_ready(struct rt2x00_dev *rt2x00dev)
 851 {
 852         unsigned int i;
 853         u8 value;
 854
 855         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
 856                 rt2500usb_bbp_read(rt2x00dev, 0, &value);
 857                 if ((value != 0xff) && (value != 0x00))
 858                         return 0;
 859                 udelay(REGISTER_BUSY_DELAY);
 860         }
 861
 862         ERROR(rt2x00dev, "BBP register access failed, aborting.\n");
 863         return -EACCES;
 864 }
 865
 866 static int rt2500usb_init_bbp(struct rt2x00_dev *rt2x00dev)
 867 {
 868         unsigned int i;
 869         u16 eeprom;
 870         u8 value;
 871         u8 reg_id;
 872
 873         if (unlikely(rt2500usb_wait_bbp_ready(rt2x00dev)))
 874                 return -EACCES;
 875
 876         rt2500usb_bbp_write(rt2x00dev, 3, 0x02);
 877         rt2500usb_bbp_write(rt2x00dev, 4, 0x19);
 878         rt2500usb_bbp_write(rt2x00dev, 14, 0x1c);
 879         rt2500usb_bbp_write(rt2x00dev, 15, 0x30);
 880         rt2500usb_bbp_write(rt2x00dev, 16, 0xac);
 881         rt2500usb_bbp_write(rt2x00dev, 18, 0x18);
 882         rt2500usb_bbp_write(rt2x00dev, 19, 0xff);
 883         rt2500usb_bbp_write(rt2x00dev, 20, 0x1e);
 884         rt2500usb_bbp_write(rt2x00dev, 21, 0x08);
 885         rt2500usb_bbp_write(rt2x00dev, 22, 0x08);
 886         rt2500usb_bbp_write(rt2x00dev, 23, 0x08);
 887         rt2500usb_bbp_write(rt2x00dev, 24, 0x80);
 888         rt2500usb_bbp_write(rt2x00dev, 25, 0x50);
 889         rt2500usb_bbp_write(rt2x00dev, 26, 0x08);
 890         rt2500usb_bbp_write(rt2x00dev, 27, 0x23);
 891         rt2500usb_bbp_write(rt2x00dev, 30, 0x10);
 892         rt2500usb_bbp_write(rt2x00dev, 31, 0x2b);
 893         rt2500usb_bbp_write(rt2x00dev, 32, 0xb9);
 894         rt2500usb_bbp_write(rt2x00dev, 34, 0x12);
 895         rt2500usb_bbp_write(rt2x00dev, 35, 0x50);
 896         rt2500usb_bbp_write(rt2x00dev, 39, 0xc4);
 897         rt2500usb_bbp_write(rt2x00dev, 40, 0x02);
 898         rt2500usb_bbp_write(rt2x00dev, 41, 0x60);
 899         rt2500usb_bbp_write(rt2x00dev, 53, 0x10);
 900         rt2500usb_bbp_write(rt2x00dev, 54, 0x18);
 901         rt2500usb_bbp_write(rt2x00dev, 56, 0x08);
 902         rt2500usb_bbp_write(rt2x00dev, 57, 0x10);
 903         rt2500usb_bbp_write(rt2x00dev, 58, 0x08);
 904         rt2500usb_bbp_write(rt2x00dev, 61, 0x60);
 905         rt2500usb_bbp_write(rt2x00dev, 62, 0x10);
 906         rt2500usb_bbp_write(rt2x00dev, 75, 0xff);
 907
 908         for (i = 0; i < EEPROM_BBP_SIZE; i++) {
 909                 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
 910
 911                 if (eeprom != 0xffff && eeprom != 0x0000) {
 912                         reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
 913                         value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
 914                         rt2500usb_bbp_write(rt2x00dev, reg_id, value);
 915                 }
 916         }
 917
 918         return 0;
 919 }
 920
 921 /*
 922  * Device state switch handlers.
 923  */
 924 static void rt2500usb_toggle_rx(struct rt2x00_dev *rt2x00dev,
 925                                 enum dev_state state)
 926 {
 927         u16 reg;
 928
 929         rt2500usb_register_read(rt2x00dev, TXRX_CSR2, &reg);
 930         rt2x00_set_field16(&reg, TXRX_CSR2_DISABLE_RX,
 931                            (state == STATE_RADIO_RX_OFF) ||
 932                            (state == STATE_RADIO_RX_OFF_LINK));
 933         rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg);
 934 }
 935
 936 static int rt2500usb_enable_radio(struct rt2x00_dev *rt2x00dev)
 937 {
 938         /*
 939          * Initialize all registers.
 940          */
 941         if (unlikely(rt2500usb_init_registers(rt2x00dev) ||
 942                      rt2500usb_init_bbp(rt2x00dev)))
 943                 return -EIO;
 944
 945         return 0;
 946 }
 947
 948 static void rt2500usb_disable_radio(struct rt2x00_dev *rt2x00dev)
 949 {
 950         rt2500usb_register_write(rt2x00dev, MAC_CSR13, 0x2121);
 951         rt2500usb_register_write(rt2x00dev, MAC_CSR14, 0x2121);
 952
 953         /*
 954          * Disable synchronisation.
 955          */
 956         rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0);
 957
 958         rt2x00usb_disable_radio(rt2x00dev);
 959 }
 960
 961 static int rt2500usb_set_state(struct rt2x00_dev *rt2x00dev,
 962                                enum dev_state state)
 963 {
 964         u16 reg;
 965         u16 reg2;
 966         unsigned int i;
 967         char put_to_sleep;
 968         char bbp_state;
 969         char rf_state;
 970
 971         put_to_sleep = (state != STATE_AWAKE);
 972
 973         reg = 0;
 974         rt2x00_set_field16(&reg, MAC_CSR17_BBP_DESIRE_STATE, state);
 975         rt2x00_set_field16(&reg, MAC_CSR17_RF_DESIRE_STATE, state);
 976         rt2x00_set_field16(&reg, MAC_CSR17_PUT_TO_SLEEP, put_to_sleep);
 977         rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg);
 978         rt2x00_set_field16(&reg, MAC_CSR17_SET_STATE, 1);
 979         rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg);
 980
 981         /*
 982          * Device is not guaranteed to be in the requested state yet.
 983          * We must wait until the register indicates that the
 984          * device has entered the correct state.
 985          */
 986         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
 987                 rt2500usb_register_read(rt2x00dev, MAC_CSR17, &reg2);
 988                 bbp_state = rt2x00_get_field16(reg2, MAC_CSR17_BBP_CURR_STATE);
 989                 rf_state = rt2x00_get_field16(reg2, MAC_CSR17_RF_CURR_STATE);
 990                 if (bbp_state == state && rf_state == state)
 991                         return 0;
 992                 rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg);
 993                 msleep(30);
 994         }
 995
 996         return -EBUSY;
 997 }
 998
 999 static int rt2500usb_set_device_state(struct rt2x00_dev *rt2x00dev,
1000                                       enum dev_state state)
1001 {
1002         int retval = 0;
1003
1004         switch (state) {
1005         case STATE_RADIO_ON:
1006                 retval = rt2500usb_enable_radio(rt2x00dev);
1007                 break;
1008         case STATE_RADIO_OFF:
1009                 rt2500usb_disable_radio(rt2x00dev);
1010                 break;
1011         case STATE_RADIO_RX_ON:
1012         case STATE_RADIO_RX_ON_LINK:
1013         case STATE_RADIO_RX_OFF:
1014         case STATE_RADIO_RX_OFF_LINK:
1015                 rt2500usb_toggle_rx(rt2x00dev, state);
1016                 break;
1017         case STATE_RADIO_IRQ_ON:
1018         case STATE_RADIO_IRQ_ON_ISR:
1019         case STATE_RADIO_IRQ_OFF:
1020         case STATE_RADIO_IRQ_OFF_ISR:
1021                 /* No support, but no error either */
1022                 break;
1023         case STATE_DEEP_SLEEP:
1024         case STATE_SLEEP:
1025         case STATE_STANDBY:
1026         case STATE_AWAKE:
1027                 retval = rt2500usb_set_state(rt2x00dev, state);
1028                 break;
1029         default:
1030                 retval = -ENOTSUPP;
1031                 break;
1032         }
1033
1034         if (unlikely(retval))
1035                 ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n",
1036                       state, retval);
1037
1038         return retval;
1039 }
1040
1041 /*
1042  * TX descriptor initialization
1043  */
1044 static void rt2500usb_write_tx_desc(struct queue_entry *entry,
1045                                     struct txentry_desc *txdesc)
1046 {
1047         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
1048         __le32 *txd = (__le32 *) entry->skb->data;
1049         u32 word;
1050
1051         /*
1052          * Start writing the descriptor words.
1053          */
1054         rt2x00_desc_read(txd, 0, &word);
1055         rt2x00_set_field32(&word, TXD_W0_RETRY_LIMIT, txdesc->retry_limit);
1056         rt2x00_set_field32(&word, TXD_W0_MORE_FRAG,
1057                            test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
1058         rt2x00_set_field32(&word, TXD_W0_ACK,
1059                            test_bit(ENTRY_TXD_ACK, &txdesc->flags));
1060         rt2x00_set_field32(&word, TXD_W0_TIMESTAMP,
1061                            test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
1062         rt2x00_set_field32(&word, TXD_W0_OFDM,
1063                            (txdesc->rate_mode == RATE_MODE_OFDM));
1064         rt2x00_set_field32(&word, TXD_W0_NEW_SEQ,
1065                            test_bit(ENTRY_TXD_FIRST_FRAGMENT, &txdesc->flags));
1066         rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs);
1067         rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, txdesc->length);
1068         rt2x00_set_field32(&word, TXD_W0_CIPHER, !!txdesc->cipher);
1069         rt2x00_set_field32(&word, TXD_W0_KEY_ID, txdesc->key_idx);
1070         rt2x00_desc_write(txd, 0, word);
1071
1072         rt2x00_desc_read(txd, 1, &word);
1073         rt2x00_set_field32(&word, TXD_W1_IV_OFFSET, txdesc->iv_offset);
1074         rt2x00_set_field32(&word, TXD_W1_AIFS, txdesc->aifs);
1075         rt2x00_set_field32(&word, TXD_W1_CWMIN, txdesc->cw_min);
1076         rt2x00_set_field32(&word, TXD_W1_CWMAX, txdesc->cw_max);
1077         rt2x00_desc_write(txd, 1, word);
1078
1079         rt2x00_desc_read(txd, 2, &word);
1080         rt2x00_set_field32(&word, TXD_W2_PLCP_SIGNAL, txdesc->signal);
1081         rt2x00_set_field32(&word, TXD_W2_PLCP_SERVICE, txdesc->service);
1082         rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_LOW, txdesc->length_low);
1083         rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_HIGH, txdesc->length_high);
1084         rt2x00_desc_write(txd, 2, word);
1085
1086         if (test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags)) {
1087                 _rt2x00_desc_write(txd, 3, skbdesc->iv[0]);
1088                 _rt2x00_desc_write(txd, 4, skbdesc->iv[1]);
1089         }
1090
1091         /*
1092          * Register descriptor details in skb frame descriptor.
1093          */
1094         skbdesc->flags |= SKBDESC_DESC_IN_SKB;
1095         skbdesc->desc = txd;
1096         skbdesc->desc_len = TXD_DESC_SIZE;
1097 }
1098
1099 /*
1100  * TX data initialization
1101  */
1102 static void rt2500usb_beacondone(struct urb *urb);
1103
1104 static void rt2500usb_write_beacon(struct queue_entry *entry,
1105                                    struct txentry_desc *txdesc)
1106 {
1107         struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
1108         struct usb_device *usb_dev = to_usb_device_intf(rt2x00dev->dev);
1109         struct queue_entry_priv_usb_bcn *bcn_priv = entry->priv_data;
1110         int pipe = usb_sndbulkpipe(usb_dev, entry->queue->usb_endpoint);
1111         int length;
1112         u16 reg, reg0;
1113
1114         /*
1115          * Disable beaconing while we are reloading the beacon data,
1116          * otherwise we might be sending out invalid data.
1117          */
1118         rt2500usb_register_read(rt2x00dev, TXRX_CSR19, &reg);
1119         rt2x00_set_field16(&reg, TXRX_CSR19_BEACON_GEN, 0);
1120         rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
1121
1122         /*
1123          * Add space for the descriptor in front of the skb.
1124          */
1125         skb_push(entry->skb, TXD_DESC_SIZE);
1126         memset(entry->skb->data, 0, TXD_DESC_SIZE);
1127
1128         /*
1129          * Write the TX descriptor for the beacon.
1130          */
1131         rt2500usb_write_tx_desc(entry, txdesc);
1132
1133         /*
1134          * Dump beacon to userspace through debugfs.
1135          */
1136         rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_BEACON, entry->skb);
1137
1138         /*
1139          * USB devices cannot blindly pass the skb->len as the
1140          * length of the data to usb_fill_bulk_urb. Pass the skb
1141          * to the driver to determine what the length should be.
1142          */
1143         length = rt2x00dev->ops->lib->get_tx_data_len(entry);
1144
1145         usb_fill_bulk_urb(bcn_priv->urb, usb_dev, pipe,
1146                           entry->skb->data, length, rt2500usb_beacondone,
1147                           entry);
1148
1149         /*
1150          * Second we need to create the guardian byte.
1151          * We only need a single byte, so lets recycle
1152          * the 'flags' field we are not using for beacons.
1153          */
1154         bcn_priv->guardian_data = 0;
1155         usb_fill_bulk_urb(bcn_priv->guardian_urb, usb_dev, pipe,
1156                           &bcn_priv->guardian_data, 1, rt2500usb_beacondone,
1157                           entry);
1158
1159         /*
1160          * Send out the guardian byte.
1161          */
1162         usb_submit_urb(bcn_priv->guardian_urb, GFP_ATOMIC);
1163
1164         /*
1165          * Enable beaconing again.
1166          */
1167         rt2x00_set_field16(&reg, TXRX_CSR19_TSF_COUNT, 1);
1168         rt2x00_set_field16(&reg, TXRX_CSR19_TBCN, 1);
1169         reg0 = reg;
1170         rt2x00_set_field16(&reg, TXRX_CSR19_BEACON_GEN, 1);
1171         /*
1172          * Beacon generation will fail initially.
1173          * To prevent this we need to change the TXRX_CSR19
1174          * register several times (reg0 is the same as reg
1175          * except for TXRX_CSR19_BEACON_GEN, which is 0 in reg0
1176          * and 1 in reg).
1177          */
1178         rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
1179         rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg0);
1180         rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
1181         rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg0);
1182         rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
1183 }
1184
1185 static int rt2500usb_get_tx_data_len(struct queue_entry *entry)
1186 {
1187         int length;
1188
1189         /*
1190          * The length _must_ be a multiple of 2,
1191          * but it must _not_ be a multiple of the USB packet size.
1192          */
1193         length = roundup(entry->skb->len, 2);
1194         length += (2 * !(length % entry->queue->usb_maxpacket));
1195
1196         return length;
1197 }
1198
1199 /*
1200  * RX control handlers
1201  */
1202 static void rt2500usb_fill_rxdone(struct queue_entry *entry,
1203                                   struct rxdone_entry_desc *rxdesc)
1204 {
1205         struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
1206         struct queue_entry_priv_usb *entry_priv = entry->priv_data;
1207         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
1208         __le32 *rxd =
1209             (__le32 *)(entry->skb->data +
1210                        (entry_priv->urb->actual_length -
1211                         entry->queue->desc_size));
1212         u32 word0;
1213         u32 word1;
1214
1215         /*
1216          * Copy descriptor to the skbdesc->desc buffer, making it safe from moving of
1217          * frame data in rt2x00usb.
1218          */
1219         memcpy(skbdesc->desc, rxd, skbdesc->desc_len);
1220         rxd = (__le32 *)skbdesc->desc;
1221
1222         /*
1223          * It is now safe to read the descriptor on all architectures.
1224          */
1225         rt2x00_desc_read(rxd, 0, &word0);
1226         rt2x00_desc_read(rxd, 1, &word1);
1227
1228         if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR))
1229                 rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
1230         if (rt2x00_get_field32(word0, RXD_W0_PHYSICAL_ERROR))
1231                 rxdesc->flags |= RX_FLAG_FAILED_PLCP_CRC;
1232
1233         rxdesc->cipher = rt2x00_get_field32(word0, RXD_W0_CIPHER);
1234         if (rt2x00_get_field32(word0, RXD_W0_CIPHER_ERROR))
1235                 rxdesc->cipher_status = RX_CRYPTO_FAIL_KEY;
1236
1237         if (rxdesc->cipher != CIPHER_NONE) {
1238                 _rt2x00_desc_read(rxd, 2, &rxdesc->iv[0]);
1239                 _rt2x00_desc_read(rxd, 3, &rxdesc->iv[1]);
1240                 rxdesc->dev_flags |= RXDONE_CRYPTO_IV;
1241
1242                 /* ICV is located at the end of frame */
1243
1244                 rxdesc->flags |= RX_FLAG_MMIC_STRIPPED;
1245                 if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS)
1246                         rxdesc->flags |= RX_FLAG_DECRYPTED;
1247                 else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC)
1248                         rxdesc->flags |= RX_FLAG_MMIC_ERROR;
1249         }
1250
1251         /*
1252          * Obtain the status about this packet.
1253          * When frame was received with an OFDM bitrate,
1254          * the signal is the PLCP value. If it was received with
1255          * a CCK bitrate the signal is the rate in 100kbit/s.
1256          */
1257         rxdesc->signal = rt2x00_get_field32(word1, RXD_W1_SIGNAL);
1258         rxdesc->rssi =
1259             rt2x00_get_field32(word1, RXD_W1_RSSI) - rt2x00dev->rssi_offset;
1260         rxdesc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT);
1261
1262         if (rt2x00_get_field32(word0, RXD_W0_OFDM))
1263                 rxdesc->dev_flags |= RXDONE_SIGNAL_PLCP;
1264         else
1265                 rxdesc->dev_flags |= RXDONE_SIGNAL_BITRATE;
1266         if (rt2x00_get_field32(word0, RXD_W0_MY_BSS))
1267                 rxdesc->dev_flags |= RXDONE_MY_BSS;
1268
1269         /*
1270          * Adjust the skb memory window to the frame boundaries.
1271          */
1272         skb_trim(entry->skb, rxdesc->size);
1273 }
1274
1275 /*
1276  * Interrupt functions.
1277  */
1278 static void rt2500usb_beacondone(struct urb *urb)
1279 {
1280         struct queue_entry *entry = (struct queue_entry *)urb->context;
1281         struct queue_entry_priv_usb_bcn *bcn_priv = entry->priv_data;
1282
1283         if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &entry->queue->rt2x00dev->flags))
1284                 return;
1285
1286         /*
1287          * Check if this was the guardian beacon,
1288          * if that was the case we need to send the real beacon now.
1289          * Otherwise we should free the sk_buffer, the device
1290          * should be doing the rest of the work now.
1291          */
1292         if (bcn_priv->guardian_urb == urb) {
1293                 usb_submit_urb(bcn_priv->urb, GFP_ATOMIC);
1294         } else if (bcn_priv->urb == urb) {
1295                 dev_kfree_skb(entry->skb);
1296                 entry->skb = NULL;
1297         }
1298 }
1299
1300 /*
1301  * Device probe functions.
1302  */
1303 static int rt2500usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
1304 {
1305         u16 word;
1306         u8 *mac;
1307         u8 bbp;
1308
1309         rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom, EEPROM_SIZE);
1310
1311         /*
1312          * Start validation of the data that has been read.
1313          */
1314         mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
1315         if (!is_valid_ether_addr(mac)) {
1316                 random_ether_addr(mac);
1317                 EEPROM(rt2x00dev, "MAC: %pM\n", mac);
1318         }
1319
1320         rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
1321         if (word == 0xffff) {
1322                 rt2x00_set_field16(&word, EEPROM_ANTENNA_NUM, 2);
1323                 rt2x00_set_field16(&word, EEPROM_ANTENNA_TX_DEFAULT,
1324                                    ANTENNA_SW_DIVERSITY);
1325                 rt2x00_set_field16(&word, EEPROM_ANTENNA_RX_DEFAULT,
1326                                    ANTENNA_SW_DIVERSITY);
1327                 rt2x00_set_field16(&word, EEPROM_ANTENNA_LED_MODE,
1328                                    LED_MODE_DEFAULT);
1329                 rt2x00_set_field16(&word, EEPROM_ANTENNA_DYN_TXAGC, 0);
1330                 rt2x00_set_field16(&word, EEPROM_ANTENNA_HARDWARE_RADIO, 0);
1331                 rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF2522);
1332                 rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
1333                 EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word);
1334         }
1335
1336         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word);
1337         if (word == 0xffff) {
1338                 rt2x00_set_field16(&word, EEPROM_NIC_CARDBUS_ACCEL, 0);
1339                 rt2x00_set_field16(&word, EEPROM_NIC_DYN_BBP_TUNE, 0);
1340                 rt2x00_set_field16(&word, EEPROM_NIC_CCK_TX_POWER, 0);
1341                 rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word);
1342                 EEPROM(rt2x00dev, "NIC: 0x%04x\n", word);
1343         }
1344
1345         rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &word);
1346         if (word == 0xffff) {
1347                 rt2x00_set_field16(&word, EEPROM_CALIBRATE_OFFSET_RSSI,
1348                                    DEFAULT_RSSI_OFFSET);
1349                 rt2x00_eeprom_write(rt2x00dev, EEPROM_CALIBRATE_OFFSET, word);
1350                 EEPROM(rt2x00dev, "Calibrate offset: 0x%04x\n", word);
1351         }
1352
1353         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE, &word);
1354         if (word == 0xffff) {
1355                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_THRESHOLD, 45);
1356                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE, word);
1357                 EEPROM(rt2x00dev, "BBPtune: 0x%04x\n", word);
1358         }
1359
1360         /*
1361          * Switch lower vgc bound to current BBP R17 value,
1362          * lower the value a bit for better quality.
1363          */
1364         rt2500usb_bbp_read(rt2x00dev, 17, &bbp);
1365         bbp -= 6;
1366
1367         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &word);
1368         if (word == 0xffff) {
1369                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCUPPER, 0x40);
1370                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCLOWER, bbp);
1371                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_VGC, word);
1372                 EEPROM(rt2x00dev, "BBPtune vgc: 0x%04x\n", word);
1373         } else {
1374                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCLOWER, bbp);
1375                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_VGC, word);
1376         }
1377
1378         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R17, &word);
1379         if (word == 0xffff) {
1380                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R17_LOW, 0x48);
1381                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R17_HIGH, 0x41);
1382                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R17, word);
1383                 EEPROM(rt2x00dev, "BBPtune r17: 0x%04x\n", word);
1384         }
1385
1386         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &word);
1387         if (word == 0xffff) {
1388                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R24_LOW, 0x40);
1389                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R24_HIGH, 0x80);
1390                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R24, word);
1391                 EEPROM(rt2x00dev, "BBPtune r24: 0x%04x\n", word);
1392         }
1393
1394         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &word);
1395         if (word == 0xffff) {
1396                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R25_LOW, 0x40);
1397                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R25_HIGH, 0x50);
1398                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R25, word);
1399                 EEPROM(rt2x00dev, "BBPtune r25: 0x%04x\n", word);
1400         }
1401
1402         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &word);
1403         if (word == 0xffff) {
1404                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R61_LOW, 0x60);
1405                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R61_HIGH, 0x6d);
1406                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R61, word);
1407                 EEPROM(rt2x00dev, "BBPtune r61: 0x%04x\n", word);
1408         }
1409
1410         return 0;
1411 }
1412
1413 static int rt2500usb_init_eeprom(struct rt2x00_dev *rt2x00dev)
1414 {
1415         u16 reg;
1416         u16 value;
1417         u16 eeprom;
1418
1419         /*
1420          * Read EEPROM word for configuration.
1421          */
1422         rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
1423
1424         /*
1425          * Identify RF chipset.
1426          */
1427         value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
1428         rt2500usb_register_read(rt2x00dev, MAC_CSR0, &reg);
1429         rt2x00_set_chip(rt2x00dev, RT2570, value, reg);
1430
1431         if (((reg & 0xfff0) != 0) || ((reg & 0x0000000f) == 0)) {
1432                 ERROR(rt2x00dev, "Invalid RT chipset detected.\n");
1433                 return -ENODEV;
1434         }
1435
1436         if (!rt2x00_rf(rt2x00dev, RF2522) &&
1437             !rt2x00_rf(rt2x00dev, RF2523) &&
1438             !rt2x00_rf(rt2x00dev, RF2524) &&
1439             !rt2x00_rf(rt2x00dev, RF2525) &&
1440             !rt2x00_rf(rt2x00dev, RF2525E) &&
1441             !rt2x00_rf(rt2x00dev, RF5222)) {
1442                 ERROR(rt2x00dev, "Invalid RF chipset detected.\n");
1443                 return -ENODEV;
1444         }
1445
1446         /*
1447          * Identify default antenna configuration.
1448          */
1449         rt2x00dev->default_ant.tx =
1450             rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TX_DEFAULT);
1451         rt2x00dev->default_ant.rx =
1452             rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_DEFAULT);
1453
1454         /*
1455          * When the eeprom indicates SW_DIVERSITY use HW_DIVERSITY instead.
1456          * I am not 100% sure about this, but the legacy drivers do not
1457          * indicate antenna swapping in software is required when
1458          * diversity is enabled.
1459          */
1460         if (rt2x00dev->default_ant.tx == ANTENNA_SW_DIVERSITY)
1461                 rt2x00dev->default_ant.tx = ANTENNA_HW_DIVERSITY;
1462         if (rt2x00dev->default_ant.rx == ANTENNA_SW_DIVERSITY)
1463                 rt2x00dev->default_ant.rx = ANTENNA_HW_DIVERSITY;
1464
1465         /*
1466          * Store led mode, for correct led behaviour.
1467          */
1468 #ifdef CONFIG_RT2X00_LIB_LEDS
1469         value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_LED_MODE);
1470
1471         rt2500usb_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO);
1472         if (value == LED_MODE_TXRX_ACTIVITY ||
1473             value == LED_MODE_DEFAULT ||
1474             value == LED_MODE_ASUS)
1475                 rt2500usb_init_led(rt2x00dev, &rt2x00dev->led_qual,
1476                                    LED_TYPE_ACTIVITY);
1477 #endif /* CONFIG_RT2X00_LIB_LEDS */
1478
1479         /*
1480          * Detect if this device has an hardware controlled radio.
1481          */
1482         if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO))
1483                 __set_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags);
1484
1485         /*
1486          * Read the RSSI <-> dBm offset information.
1487          */
1488         rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &eeprom);
1489         rt2x00dev->rssi_offset =
1490             rt2x00_get_field16(eeprom, EEPROM_CALIBRATE_OFFSET_RSSI);
1491
1492         return 0;
1493 }
1494
1495 /*
1496  * RF value list for RF2522
1497  * Supports: 2.4 GHz
1498  */
1499 static const struct rf_channel rf_vals_bg_2522[] = {
1500         { 1,  0x00002050, 0x000c1fda, 0x00000101, 0 },
1501         { 2,  0x00002050, 0x000c1fee, 0x00000101, 0 },
1502         { 3,  0x00002050, 0x000c2002, 0x00000101, 0 },
1503         { 4,  0x00002050, 0x000c2016, 0x00000101, 0 },
1504         { 5,  0x00002050, 0x000c202a, 0x00000101, 0 },
1505         { 6,  0x00002050, 0x000c203e, 0x00000101, 0 },
1506         { 7,  0x00002050, 0x000c2052, 0x00000101, 0 },
1507         { 8,  0x00002050, 0x000c2066, 0x00000101, 0 },
1508         { 9,  0x00002050, 0x000c207a, 0x00000101, 0 },
1509         { 10, 0x00002050, 0x000c208e, 0x00000101, 0 },
1510         { 11, 0x00002050, 0x000c20a2, 0x00000101, 0 },
1511         { 12, 0x00002050, 0x000c20b6, 0x00000101, 0 },
1512         { 13, 0x00002050, 0x000c20ca, 0x00000101, 0 },
1513         { 14, 0x00002050, 0x000c20fa, 0x00000101, 0 },
1514 };
1515
1516 /*
1517  * RF value list for RF2523
1518  * Supports: 2.4 GHz
1519  */
1520 static const struct rf_channel rf_vals_bg_2523[] = {
1521         { 1,  0x00022010, 0x00000c9e, 0x000e0111, 0x00000a1b },
1522         { 2,  0x00022010, 0x00000ca2, 0x000e0111, 0x00000a1b },
1523         { 3,  0x00022010, 0x00000ca6, 0x000e0111, 0x00000a1b },
1524         { 4,  0x00022010, 0x00000caa, 0x000e0111, 0x00000a1b },
1525         { 5,  0x00022010, 0x00000cae, 0x000e0111, 0x00000a1b },
1526         { 6,  0x00022010, 0x00000cb2, 0x000e0111, 0x00000a1b },
1527         { 7,  0x00022010, 0x00000cb6, 0x000e0111, 0x00000a1b },
1528         { 8,  0x00022010, 0x00000cba, 0x000e0111, 0x00000a1b },
1529         { 9,  0x00022010, 0x00000cbe, 0x000e0111, 0x00000a1b },
1530         { 10, 0x00022010, 0x00000d02, 0x000e0111, 0x00000a1b },
1531         { 11, 0x00022010, 0x00000d06, 0x000e0111, 0x00000a1b },
1532         { 12, 0x00022010, 0x00000d0a, 0x000e0111, 0x00000a1b },
1533         { 13, 0x00022010, 0x00000d0e, 0x000e0111, 0x00000a1b },
1534         { 14, 0x00022010, 0x00000d1a, 0x000e0111, 0x00000a03 },
1535 };
1536
1537 /*
1538  * RF value list for RF2524
1539  * Supports: 2.4 GHz
1540  */
1541 static const struct rf_channel rf_vals_bg_2524[] = {
1542         { 1,  0x00032020, 0x00000c9e, 0x00000101, 0x00000a1b },
1543         { 2,  0x00032020, 0x00000ca2, 0x00000101, 0x00000a1b },
1544         { 3,  0x00032020, 0x00000ca6, 0x00000101, 0x00000a1b },
1545         { 4,  0x00032020, 0x00000caa, 0x00000101, 0x00000a1b },
1546         { 5,  0x00032020, 0x00000cae, 0x00000101, 0x00000a1b },
1547         { 6,  0x00032020, 0x00000cb2, 0x00000101, 0x00000a1b },
1548         { 7,  0x00032020, 0x00000cb6, 0x00000101, 0x00000a1b },
1549         { 8,  0x00032020, 0x00000cba, 0x00000101, 0x00000a1b },
1550         { 9,  0x00032020, 0x00000cbe, 0x00000101, 0x00000a1b },
1551         { 10, 0x00032020, 0x00000d02, 0x00000101, 0x00000a1b },
1552         { 11, 0x00032020, 0x00000d06, 0x00000101, 0x00000a1b },
1553         { 12, 0x00032020, 0x00000d0a, 0x00000101, 0x00000a1b },
1554         { 13, 0x00032020, 0x00000d0e, 0x00000101, 0x00000a1b },
1555         { 14, 0x00032020, 0x00000d1a, 0x00000101, 0x00000a03 },
1556 };
1557
1558 /*
1559  * RF value list for RF2525
1560  * Supports: 2.4 GHz
1561  */
1562 static const struct rf_channel rf_vals_bg_2525[] = {
1563         { 1,  0x00022020, 0x00080c9e, 0x00060111, 0x00000a1b },
1564         { 2,  0x00022020, 0x00080ca2, 0x00060111, 0x00000a1b },
1565         { 3,  0x00022020, 0x00080ca6, 0x00060111, 0x00000a1b },
1566         { 4,  0x00022020, 0x00080caa, 0x00060111, 0x00000a1b },
1567         { 5,  0x00022020, 0x00080cae, 0x00060111, 0x00000a1b },
1568         { 6,  0x00022020, 0x00080cb2, 0x00060111, 0x00000a1b },
1569         { 7,  0x00022020, 0x00080cb6, 0x00060111, 0x00000a1b },
1570         { 8,  0x00022020, 0x00080cba, 0x00060111, 0x00000a1b },
1571         { 9,  0x00022020, 0x00080cbe, 0x00060111, 0x00000a1b },
1572         { 10, 0x00022020, 0x00080d02, 0x00060111, 0x00000a1b },
1573         { 11, 0x00022020, 0x00080d06, 0x00060111, 0x00000a1b },
1574         { 12, 0x00022020, 0x00080d0a, 0x00060111, 0x00000a1b },
1575         { 13, 0x00022020, 0x00080d0e, 0x00060111, 0x00000a1b },
1576         { 14, 0x00022020, 0x00080d1a, 0x00060111, 0x00000a03 },
1577 };
1578
1579 /*
1580  * RF value list for RF2525e
1581  * Supports: 2.4 GHz
1582  */
1583 static const struct rf_channel rf_vals_bg_2525e[] = {
1584         { 1,  0x00022010, 0x0000089a, 0x00060111, 0x00000e1b },
1585         { 2,  0x00022010, 0x0000089e, 0x00060111, 0x00000e07 },
1586         { 3,  0x00022010, 0x0000089e, 0x00060111, 0x00000e1b },
1587         { 4,  0x00022010, 0x000008a2, 0x00060111, 0x00000e07 },
1588         { 5,  0x00022010, 0x000008a2, 0x00060111, 0x00000e1b },
1589         { 6,  0x00022010, 0x000008a6, 0x00060111, 0x00000e07 },
1590         { 7,  0x00022010, 0x000008a6, 0x00060111, 0x00000e1b },
1591         { 8,  0x00022010, 0x000008aa, 0x00060111, 0x00000e07 },
1592         { 9,  0x00022010, 0x000008aa, 0x00060111, 0x00000e1b },
1593         { 10, 0x00022010, 0x000008ae, 0x00060111, 0x00000e07 },
1594         { 11, 0x00022010, 0x000008ae, 0x00060111, 0x00000e1b },
1595         { 12, 0x00022010, 0x000008b2, 0x00060111, 0x00000e07 },
1596         { 13, 0x00022010, 0x000008b2, 0x00060111, 0x00000e1b },
1597         { 14, 0x00022010, 0x000008b6, 0x00060111, 0x00000e23 },
1598 };
1599
1600 /*
1601  * RF value list for RF5222
1602  * Supports: 2.4 GHz & 5.2 GHz
1603  */
1604 static const struct rf_channel rf_vals_5222[] = {
1605         { 1,  0x00022020, 0x00001136, 0x00000101, 0x00000a0b },
1606         { 2,  0x00022020, 0x0000113a, 0x00000101, 0x00000a0b },
1607         { 3,  0x00022020, 0x0000113e, 0x00000101, 0x00000a0b },
1608         { 4,  0x00022020, 0x00001182, 0x00000101, 0x00000a0b },
1609         { 5,  0x00022020, 0x00001186, 0x00000101, 0x00000a0b },
1610         { 6,  0x00022020, 0x0000118a, 0x00000101, 0x00000a0b },
1611         { 7,  0x00022020, 0x0000118e, 0x00000101, 0x00000a0b },
1612         { 8,  0x00022020, 0x00001192, 0x00000101, 0x00000a0b },
1613         { 9,  0x00022020, 0x00001196, 0x00000101, 0x00000a0b },
1614         { 10, 0x00022020, 0x0000119a, 0x00000101, 0x00000a0b },
1615         { 11, 0x00022020, 0x0000119e, 0x00000101, 0x00000a0b },
1616         { 12, 0x00022020, 0x000011a2, 0x00000101, 0x00000a0b },
1617         { 13, 0x00022020, 0x000011a6, 0x00000101, 0x00000a0b },
1618         { 14, 0x00022020, 0x000011ae, 0x00000101, 0x00000a1b },
1619
1620         /* 802.11 UNI / HyperLan 2 */
1621         { 36, 0x00022010, 0x00018896, 0x00000101, 0x00000a1f },
1622         { 40, 0x00022010, 0x0001889a, 0x00000101, 0x00000a1f },
1623         { 44, 0x00022010, 0x0001889e, 0x00000101, 0x00000a1f },
1624         { 48, 0x00022010, 0x000188a2, 0x00000101, 0x00000a1f },
1625         { 52, 0x00022010, 0x000188a6, 0x00000101, 0x00000a1f },
1626         { 66, 0x00022010, 0x000188aa, 0x00000101, 0x00000a1f },
1627         { 60, 0x00022010, 0x000188ae, 0x00000101, 0x00000a1f },
1628         { 64, 0x00022010, 0x000188b2, 0x00000101, 0x00000a1f },
1629
1630         /* 802.11 HyperLan 2 */
1631         { 100, 0x00022010, 0x00008802, 0x00000101, 0x00000a0f },
1632         { 104, 0x00022010, 0x00008806, 0x00000101, 0x00000a0f },
1633         { 108, 0x00022010, 0x0000880a, 0x00000101, 0x00000a0f },
1634         { 112, 0x00022010, 0x0000880e, 0x00000101, 0x00000a0f },
1635         { 116, 0x00022010, 0x00008812, 0x00000101, 0x00000a0f },
1636         { 120, 0x00022010, 0x00008816, 0x00000101, 0x00000a0f },
1637         { 124, 0x00022010, 0x0000881a, 0x00000101, 0x00000a0f },
1638         { 128, 0x00022010, 0x0000881e, 0x00000101, 0x00000a0f },
1639         { 132, 0x00022010, 0x00008822, 0x00000101, 0x00000a0f },
1640         { 136, 0x00022010, 0x00008826, 0x00000101, 0x00000a0f },
1641
1642         /* 802.11 UNII */
1643         { 140, 0x00022010, 0x0000882a, 0x00000101, 0x00000a0f },
1644         { 149, 0x00022020, 0x000090a6, 0x00000101, 0x00000a07 },
1645         { 153, 0x00022020, 0x000090ae, 0x00000101, 0x00000a07 },
1646         { 157, 0x00022020, 0x000090b6, 0x00000101, 0x00000a07 },
1647         { 161, 0x00022020, 0x000090be, 0x00000101, 0x00000a07 },
1648 };
1649
1650 static int rt2500usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
1651 {
1652         struct hw_mode_spec *spec = &rt2x00dev->spec;
1653         struct channel_info *info;
1654         char *tx_power;
1655         unsigned int i;
1656
1657         /*
1658          * Initialize all hw fields.
1659          */
1660         rt2x00dev->hw->flags =
1661             IEEE80211_HW_RX_INCLUDES_FCS |
1662             IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
1663             IEEE80211_HW_SIGNAL_DBM |
1664             IEEE80211_HW_SUPPORTS_PS |
1665             IEEE80211_HW_PS_NULLFUNC_STACK;
1666
1667         SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
1668         SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
1669                                 rt2x00_eeprom_addr(rt2x00dev,
1670                                                    EEPROM_MAC_ADDR_0));
1671
1672         /*
1673          * Initialize hw_mode information.
1674          */
1675         spec->supported_bands = SUPPORT_BAND_2GHZ;
1676         spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
1677
1678         if (rt2x00_rf(rt2x00dev, RF2522)) {
1679                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2522);
1680                 spec->channels = rf_vals_bg_2522;
1681         } else if (rt2x00_rf(rt2x00dev, RF2523)) {
1682                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2523);
1683                 spec->channels = rf_vals_bg_2523;
1684         } else if (rt2x00_rf(rt2x00dev, RF2524)) {
1685                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2524);
1686                 spec->channels = rf_vals_bg_2524;
1687         } else if (rt2x00_rf(rt2x00dev, RF2525)) {
1688                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525);
1689                 spec->channels = rf_vals_bg_2525;
1690         } else if (rt2x00_rf(rt2x00dev, RF2525E)) {
1691                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525e);
1692                 spec->channels = rf_vals_bg_2525e;
1693         } else if (rt2x00_rf(rt2x00dev, RF5222)) {
1694                 spec->supported_bands |= SUPPORT_BAND_5GHZ;
1695                 spec->num_channels = ARRAY_SIZE(rf_vals_5222);
1696                 spec->channels = rf_vals_5222;
1697         }
1698
1699         /*
1700          * Create channel information array
1701          */
1702         info = kzalloc(spec->num_channels * sizeof(*info), GFP_KERNEL);
1703         if (!info)
1704                 return -ENOMEM;
1705
1706         spec->channels_info = info;
1707
1708         tx_power = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_START);
1709         for (i = 0; i < 14; i++)
1710                 info[i].tx_power1 = TXPOWER_FROM_DEV(tx_power[i]);
1711
1712         if (spec->num_channels > 14) {
1713                 for (i = 14; i < spec->num_channels; i++)
1714                         info[i].tx_power1 = DEFAULT_TXPOWER;
1715         }
1716
1717         return 0;
1718 }
1719
1720 static int rt2500usb_probe_hw(struct rt2x00_dev *rt2x00dev)
1721 {
1722         int retval;
1723
1724         /*
1725          * Allocate eeprom data.
1726          */
1727         retval = rt2500usb_validate_eeprom(rt2x00dev);
1728         if (retval)
1729                 return retval;
1730
1731         retval = rt2500usb_init_eeprom(rt2x00dev);
1732         if (retval)
1733                 return retval;
1734
1735         /*
1736          * Initialize hw specifications.
1737          */
1738         retval = rt2500usb_probe_hw_mode(rt2x00dev);
1739         if (retval)
1740                 return retval;
1741
1742         /*
1743          * This device requires the atim queue
1744          */
1745         __set_bit(DRIVER_REQUIRE_ATIM_QUEUE, &rt2x00dev->flags);
1746         __set_bit(DRIVER_REQUIRE_BEACON_GUARD, &rt2x00dev->flags);
1747         if (!modparam_nohwcrypt) {
1748                 __set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags);
1749                 __set_bit(DRIVER_REQUIRE_COPY_IV, &rt2x00dev->flags);
1750         }
1751         __set_bit(DRIVER_SUPPORT_WATCHDOG, &rt2x00dev->flags);
1752
1753         /*
1754          * Set the rssi offset.
1755          */
1756         rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
1757
1758         return 0;
1759 }
1760
1761 static const struct ieee80211_ops rt2500usb_mac80211_ops = {
1762         .tx                     = rt2x00mac_tx,
1763         .start                  = rt2x00mac_start,
1764         .stop                   = rt2x00mac_stop,
1765         .add_interface          = rt2x00mac_add_interface,
1766         .remove_interface       = rt2x00mac_remove_interface,
1767         .config                 = rt2x00mac_config,
1768         .configure_filter       = rt2x00mac_configure_filter,
1769         .set_tim                = rt2x00mac_set_tim,
1770         .set_key                = rt2x00mac_set_key,
1771         .sw_scan_start          = rt2x00mac_sw_scan_start,
1772         .sw_scan_complete       = rt2x00mac_sw_scan_complete,
1773         .get_stats              = rt2x00mac_get_stats,
1774         .bss_info_changed       = rt2x00mac_bss_info_changed,
1775         .conf_tx                = rt2x00mac_conf_tx,
1776         .rfkill_poll            = rt2x00mac_rfkill_poll,
1777 };
1778
1779 static const struct rt2x00lib_ops rt2500usb_rt2x00_ops = {
1780         .probe_hw               = rt2500usb_probe_hw,
1781         .initialize             = rt2x00usb_initialize,
1782         .uninitialize           = rt2x00usb_uninitialize,
1783         .clear_entry            = rt2x00usb_clear_entry,
1784         .set_device_state       = rt2500usb_set_device_state,
1785         .rfkill_poll            = rt2500usb_rfkill_poll,
1786         .link_stats             = rt2500usb_link_stats,
1787         .reset_tuner            = rt2500usb_reset_tuner,
1788         .watchdog               = rt2x00usb_watchdog,
1789         .write_tx_desc          = rt2500usb_write_tx_desc,
1790         .write_beacon           = rt2500usb_write_beacon,
1791         .get_tx_data_len        = rt2500usb_get_tx_data_len,
1792         .kick_tx_queue          = rt2x00usb_kick_tx_queue,
1793         .kill_tx_queue          = rt2x00usb_kill_tx_queue,
1794         .fill_rxdone            = rt2500usb_fill_rxdone,
1795         .config_shared_key      = rt2500usb_config_key,
1796         .config_pairwise_key    = rt2500usb_config_key,
1797         .config_filter          = rt2500usb_config_filter,
1798         .config_intf            = rt2500usb_config_intf,
1799         .config_erp             = rt2500usb_config_erp,
1800         .config_ant             = rt2500usb_config_ant,
1801         .config                 = rt2500usb_config,
1802 };
1803
1804 static const struct data_queue_desc rt2500usb_queue_rx = {
1805         .entry_num              = RX_ENTRIES,
1806         .data_size              = DATA_FRAME_SIZE,
1807         .desc_size              = RXD_DESC_SIZE,
1808         .priv_size              = sizeof(struct queue_entry_priv_usb),
1809 };
1810
1811 static const struct data_queue_desc rt2500usb_queue_tx = {
1812         .entry_num              = TX_ENTRIES,
1813         .data_size              = DATA_FRAME_SIZE,
1814         .desc_size              = TXD_DESC_SIZE,
1815         .priv_size              = sizeof(struct queue_entry_priv_usb),
1816 };
1817
1818 static const struct data_queue_desc rt2500usb_queue_bcn = {
1819         .entry_num              = BEACON_ENTRIES,
1820         .data_size              = MGMT_FRAME_SIZE,
1821         .desc_size              = TXD_DESC_SIZE,
1822         .priv_size              = sizeof(struct queue_entry_priv_usb_bcn),
1823 };
1824
1825 static const struct data_queue_desc rt2500usb_queue_atim = {
1826         .entry_num              = ATIM_ENTRIES,
1827         .data_size              = DATA_FRAME_SIZE,
1828         .desc_size              = TXD_DESC_SIZE,
1829         .priv_size              = sizeof(struct queue_entry_priv_usb),
1830 };
1831
1832 static const struct rt2x00_ops rt2500usb_ops = {
1833         .name                   = KBUILD_MODNAME,
1834         .max_sta_intf           = 1,
1835         .max_ap_intf            = 1,
1836         .eeprom_size            = EEPROM_SIZE,
1837         .rf_size                = RF_SIZE,
1838         .tx_queues              = NUM_TX_QUEUES,
1839         .extra_tx_headroom      = TXD_DESC_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         /* CNet */
1867         { USB_DEVICE(0x1371, 0x9022), USB_DEVICE_DATA(&rt2500usb_ops) },
1868         /* Conceptronic */
1869         { USB_DEVICE(0x14b2, 0x3c02), USB_DEVICE_DATA(&rt2500usb_ops) },
1870         /* D-LINK */
1871         { USB_DEVICE(0x2001, 0x3c00), USB_DEVICE_DATA(&rt2500usb_ops) },
1872         /* Gigabyte */
1873         { USB_DEVICE(0x1044, 0x8001), USB_DEVICE_DATA(&rt2500usb_ops) },
1874         { USB_DEVICE(0x1044, 0x8007), USB_DEVICE_DATA(&rt2500usb_ops) },
1875         /* Hercules */
1876         { USB_DEVICE(0x06f8, 0xe000), USB_DEVICE_DATA(&rt2500usb_ops) },
1877         /* Melco */
1878         { USB_DEVICE(0x0411, 0x005e), USB_DEVICE_DATA(&rt2500usb_ops) },
1879         { USB_DEVICE(0x0411, 0x0066), USB_DEVICE_DATA(&rt2500usb_ops) },
1880         { USB_DEVICE(0x0411, 0x0067), USB_DEVICE_DATA(&rt2500usb_ops) },
1881         { USB_DEVICE(0x0411, 0x008b), USB_DEVICE_DATA(&rt2500usb_ops) },
1882         { USB_DEVICE(0x0411, 0x0097), USB_DEVICE_DATA(&rt2500usb_ops) },
1883         /* MSI */
1884         { USB_DEVICE(0x0db0, 0x6861), USB_DEVICE_DATA(&rt2500usb_ops) },
1885         { USB_DEVICE(0x0db0, 0x6865), USB_DEVICE_DATA(&rt2500usb_ops) },
1886         { USB_DEVICE(0x0db0, 0x6869), USB_DEVICE_DATA(&rt2500usb_ops) },
1887         /* Ralink */
1888         { USB_DEVICE(0x148f, 0x1706), USB_DEVICE_DATA(&rt2500usb_ops) },
1889         { USB_DEVICE(0x148f, 0x2570), USB_DEVICE_DATA(&rt2500usb_ops) },
1890         { USB_DEVICE(0x148f, 0x2573), USB_DEVICE_DATA(&rt2500usb_ops) },
1891         { USB_DEVICE(0x148f, 0x9020), USB_DEVICE_DATA(&rt2500usb_ops) },
1892         /* Sagem */
1893         { USB_DEVICE(0x079b, 0x004b), USB_DEVICE_DATA(&rt2500usb_ops) },
1894         /* Siemens */
1895         { USB_DEVICE(0x0681, 0x3c06), USB_DEVICE_DATA(&rt2500usb_ops) },
1896         /* SMC */
1897         { USB_DEVICE(0x0707, 0xee13), USB_DEVICE_DATA(&rt2500usb_ops) },
1898         /* Spairon */
1899         { USB_DEVICE(0x114b, 0x0110), USB_DEVICE_DATA(&rt2500usb_ops) },
1900         /* SURECOM */
1901         { USB_DEVICE(0x0769, 0x11f3), USB_DEVICE_DATA(&rt2500usb_ops) },
1902         /* Trust */
1903         { USB_DEVICE(0x0eb0, 0x9020), USB_DEVICE_DATA(&rt2500usb_ops) },
1904         /* VTech */
1905         { USB_DEVICE(0x0f88, 0x3012), USB_DEVICE_DATA(&rt2500usb_ops) },
1906         /* Zinwell */
1907         { USB_DEVICE(0x5a57, 0x0260), USB_DEVICE_DATA(&rt2500usb_ops) },
1908         { 0, }
1909 };
1910
1911 MODULE_AUTHOR(DRV_PROJECT);
1912 MODULE_VERSION(DRV_VERSION);
1913 MODULE_DESCRIPTION("Ralink RT2500 USB Wireless LAN driver.");
1914 MODULE_SUPPORTED_DEVICE("Ralink RT2570 USB chipset based cards");
1915 MODULE_DEVICE_TABLE(usb, rt2500usb_device_table);
1916 MODULE_LICENSE("GPL");
1917
1918 static struct usb_driver rt2500usb_driver = {
1919         .name           = KBUILD_MODNAME,
1920         .id_table       = rt2500usb_device_table,
1921         .probe          = rt2x00usb_probe,
1922         .disconnect     = rt2x00usb_disconnect,
1923         .suspend        = rt2x00usb_suspend,
1924         .resume         = rt2x00usb_resume,
1925 };
1926
1927 static int __init rt2500usb_init(void)
1928 {
1929         return usb_register(&rt2500usb_driver);
1930 }
1931
1932 static void __exit rt2500usb_exit(void)
1933 {
1934         usb_deregister(&rt2500usb_driver);
1935 }
1936
1937 module_init(rt2500usb_init);
1938 module_exit(rt2500usb_exit);