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->alg == ALG_WEP && key->keyidx != 0)
 359                         return -EOPNOTSUPP;
 360
 361                 /*
 362                  * Pairwise key will always be entry 0, but this
 363                  * could collide with a shared key on the same
 364                  * position...
 365                  */
 366                 mask = TXRX_CSR0_KEY_ID.bit_mask;
 367
 368                 rt2500usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
 369                 curr_cipher = rt2x00_get_field16(reg, TXRX_CSR0_ALGORITHM);
 370                 reg &= mask;
 371
 372                 if (reg && reg == mask)
 373                         return -ENOSPC;
 374
 375                 reg = rt2x00_get_field16(reg, TXRX_CSR0_KEY_ID);
 376
 377                 key->hw_key_idx += reg ? ffz(reg) : 0;
 378                 /*
 379                  * Hardware requires that all keys use the same cipher
 380                  * (e.g. TKIP-only, AES-only, but not TKIP+AES).
 381                  * If this is not the first key, compare the cipher with the
 382                  * first one and fall back to SW crypto if not the same.
 383                  */
 384                 if (key->hw_key_idx > 0 && crypto->cipher != curr_cipher)
 385                         return -EOPNOTSUPP;
 386
 387                 rt2500usb_register_multiwrite(rt2x00dev, KEY_ENTRY(key->hw_key_idx),
 388                                               crypto->key, sizeof(crypto->key));
 389
 390                 /*
 391                  * The driver does not support the IV/EIV generation
 392                  * in hardware. However it demands the data to be provided
 393                  * both separately as well as inside the frame.
 394                  * We already provided the CONFIG_CRYPTO_COPY_IV to rt2x00lib
 395                  * to ensure rt2x00lib will not strip the data from the
 396                  * frame after the copy, now we must tell mac80211
 397                  * to generate the IV/EIV data.
 398                  */
 399                 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
 400                 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
 401         }
 402
 403         /*
 404          * TXRX_CSR0_KEY_ID contains only single-bit fields to indicate
 405          * a particular key is valid.
 406          */
 407         rt2500usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
 408         rt2x00_set_field16(&reg, TXRX_CSR0_ALGORITHM, crypto->cipher);
 409         rt2x00_set_field16(&reg, TXRX_CSR0_IV_OFFSET, IEEE80211_HEADER);
 410
 411         mask = rt2x00_get_field16(reg, TXRX_CSR0_KEY_ID);
 412         if (crypto->cmd == SET_KEY)
 413                 mask |= 1 << key->hw_key_idx;
 414         else if (crypto->cmd == DISABLE_KEY)
 415                 mask &= ~(1 << key->hw_key_idx);
 416         rt2x00_set_field16(&reg, TXRX_CSR0_KEY_ID, mask);
 417         rt2500usb_register_write(rt2x00dev, TXRX_CSR0, reg);
 418
 419         return 0;
 420 }
 421
 422 static void rt2500usb_config_filter(struct rt2x00_dev *rt2x00dev,
 423                                     const unsigned int filter_flags)
 424 {
 425         u16 reg;
 426
 427         /*
 428          * Start configuration steps.
 429          * Note that the version error will always be dropped
 430          * and broadcast frames will always be accepted since
 431          * there is no filter for it at this time.
 432          */
 433         rt2500usb_register_read(rt2x00dev, TXRX_CSR2, &reg);
 434         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_CRC,
 435                            !(filter_flags & FIF_FCSFAIL));
 436         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_PHYSICAL,
 437                            !(filter_flags & FIF_PLCPFAIL));
 438         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_CONTROL,
 439                            !(filter_flags & FIF_CONTROL));
 440         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_NOT_TO_ME,
 441                            !(filter_flags & FIF_PROMISC_IN_BSS));
 442         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_TODS,
 443                            !(filter_flags & FIF_PROMISC_IN_BSS) &&
 444                            !rt2x00dev->intf_ap_count);
 445         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_VERSION_ERROR, 1);
 446         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_MULTICAST,
 447                            !(filter_flags & FIF_ALLMULTI));
 448         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_BROADCAST, 0);
 449         rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg);
 450 }
 451
 452 static void rt2500usb_config_intf(struct rt2x00_dev *rt2x00dev,
 453                                   struct rt2x00_intf *intf,
 454                                   struct rt2x00intf_conf *conf,
 455                                   const unsigned int flags)
 456 {
 457         unsigned int bcn_preload;
 458         u16 reg;
 459
 460         if (flags & CONFIG_UPDATE_TYPE) {
 461                 /*
 462                  * Enable beacon config
 463                  */
 464                 bcn_preload = PREAMBLE + GET_DURATION(IEEE80211_HEADER, 20);
 465                 rt2500usb_register_read(rt2x00dev, TXRX_CSR20, &reg);
 466                 rt2x00_set_field16(&reg, TXRX_CSR20_OFFSET, bcn_preload >> 6);
 467                 rt2x00_set_field16(&reg, TXRX_CSR20_BCN_EXPECT_WINDOW,
 468                                    2 * (conf->type != NL80211_IFTYPE_STATION));
 469                 rt2500usb_register_write(rt2x00dev, TXRX_CSR20, reg);
 470
 471                 /*
 472                  * Enable synchronisation.
 473                  */
 474                 rt2500usb_register_read(rt2x00dev, TXRX_CSR18, &reg);
 475                 rt2x00_set_field16(&reg, TXRX_CSR18_OFFSET, 0);
 476                 rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg);
 477
 478                 rt2500usb_register_read(rt2x00dev, TXRX_CSR19, &reg);
 479                 rt2x00_set_field16(&reg, TXRX_CSR19_TSF_COUNT, 1);
 480                 rt2x00_set_field16(&reg, TXRX_CSR19_TSF_SYNC, conf->sync);
 481                 rt2x00_set_field16(&reg, TXRX_CSR19_TBCN, 1);
 482                 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
 483         }
 484
 485         if (flags & CONFIG_UPDATE_MAC)
 486                 rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR2, conf->mac,
 487                                               (3 * sizeof(__le16)));
 488
 489         if (flags & CONFIG_UPDATE_BSSID)
 490                 rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR5, conf->bssid,
 491                                               (3 * sizeof(__le16)));
 492 }
 493
 494 static void rt2500usb_config_erp(struct rt2x00_dev *rt2x00dev,
 495                                  struct rt2x00lib_erp *erp)
 496 {
 497         u16 reg;
 498
 499         rt2500usb_register_read(rt2x00dev, TXRX_CSR10, &reg);
 500         rt2x00_set_field16(&reg, TXRX_CSR10_AUTORESPOND_PREAMBLE,
 501                            !!erp->short_preamble);
 502         rt2500usb_register_write(rt2x00dev, TXRX_CSR10, reg);
 503
 504         rt2500usb_register_write(rt2x00dev, TXRX_CSR11, erp->basic_rates);
 505
 506         rt2500usb_register_read(rt2x00dev, TXRX_CSR18, &reg);
 507         rt2x00_set_field16(&reg, TXRX_CSR18_INTERVAL, erp->beacon_int * 4);
 508         rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg);
 509
 510         rt2500usb_register_write(rt2x00dev, MAC_CSR10, erp->slot_time);
 511         rt2500usb_register_write(rt2x00dev, MAC_CSR11, erp->sifs);
 512         rt2500usb_register_write(rt2x00dev, MAC_CSR12, erp->eifs);
 513 }
 514
 515 static void rt2500usb_config_ant(struct rt2x00_dev *rt2x00dev,
 516                                  struct antenna_setup *ant)
 517 {
 518         u8 r2;
 519         u8 r14;
 520         u16 csr5;
 521         u16 csr6;
 522
 523         /*
 524          * We should never come here because rt2x00lib is supposed
 525          * to catch this and send us the correct antenna explicitely.
 526          */
 527         BUG_ON(ant->rx == ANTENNA_SW_DIVERSITY ||
 528                ant->tx == ANTENNA_SW_DIVERSITY);
 529
 530         rt2500usb_bbp_read(rt2x00dev, 2, &r2);
 531         rt2500usb_bbp_read(rt2x00dev, 14, &r14);
 532         rt2500usb_register_read(rt2x00dev, PHY_CSR5, &csr5);
 533         rt2500usb_register_read(rt2x00dev, PHY_CSR6, &csr6);
 534
 535         /*
 536          * Configure the TX antenna.
 537          */
 538         switch (ant->tx) {
 539         case ANTENNA_HW_DIVERSITY:
 540                 rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 1);
 541                 rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 1);
 542                 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 1);
 543                 break;
 544         case ANTENNA_A:
 545                 rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 0);
 546                 rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 0);
 547                 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 0);
 548                 break;
 549         case ANTENNA_B:
 550         default:
 551                 rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 2);
 552                 rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 2);
 553                 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 2);
 554                 break;
 555         }
 556
 557         /*
 558          * Configure the RX antenna.
 559          */
 560         switch (ant->rx) {
 561         case ANTENNA_HW_DIVERSITY:
 562                 rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 1);
 563                 break;
 564         case ANTENNA_A:
 565                 rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 0);
 566                 break;
 567         case ANTENNA_B:
 568         default:
 569                 rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 2);
 570                 break;
 571         }
 572
 573         /*
 574          * RT2525E and RT5222 need to flip TX I/Q
 575          */
 576         if (rt2x00_rf(rt2x00dev, RF2525E) || rt2x00_rf(rt2x00dev, RF5222)) {
 577                 rt2x00_set_field8(&r2, BBP_R2_TX_IQ_FLIP, 1);
 578                 rt2x00_set_field16(&csr5, PHY_CSR5_CCK_FLIP, 1);
 579                 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM_FLIP, 1);
 580
 581                 /*
 582                  * RT2525E does not need RX I/Q Flip.
 583                  */
 584                 if (rt2x00_rf(rt2x00dev, RF2525E))
 585                         rt2x00_set_field8(&r14, BBP_R14_RX_IQ_FLIP, 0);
 586         } else {
 587                 rt2x00_set_field16(&csr5, PHY_CSR5_CCK_FLIP, 0);
 588                 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM_FLIP, 0);
 589         }
 590
 591         rt2500usb_bbp_write(rt2x00dev, 2, r2);
 592         rt2500usb_bbp_write(rt2x00dev, 14, r14);
 593         rt2500usb_register_write(rt2x00dev, PHY_CSR5, csr5);
 594         rt2500usb_register_write(rt2x00dev, PHY_CSR6, csr6);
 595 }
 596
 597 static void rt2500usb_config_channel(struct rt2x00_dev *rt2x00dev,
 598                                      struct rf_channel *rf, const int txpower)
 599 {
 600         /*
 601          * Set TXpower.
 602          */
 603         rt2x00_set_field32(&rf->rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
 604
 605         /*
 606          * For RT2525E we should first set the channel to half band higher.
 607          */
 608         if (rt2x00_rf(rt2x00dev, RF2525E)) {
 609                 static const u32 vals[] = {
 610                         0x000008aa, 0x000008ae, 0x000008ae, 0x000008b2,
 611                         0x000008b2, 0x000008b6, 0x000008b6, 0x000008ba,
 612                         0x000008ba, 0x000008be, 0x000008b7, 0x00000902,
 613                         0x00000902, 0x00000906
 614                 };
 615
 616                 rt2500usb_rf_write(rt2x00dev, 2, vals[rf->channel - 1]);
 617                 if (rf->rf4)
 618                         rt2500usb_rf_write(rt2x00dev, 4, rf->rf4);
 619         }
 620
 621         rt2500usb_rf_write(rt2x00dev, 1, rf->rf1);
 622         rt2500usb_rf_write(rt2x00dev, 2, rf->rf2);
 623         rt2500usb_rf_write(rt2x00dev, 3, rf->rf3);
 624         if (rf->rf4)
 625                 rt2500usb_rf_write(rt2x00dev, 4, rf->rf4);
 626 }
 627
 628 static void rt2500usb_config_txpower(struct rt2x00_dev *rt2x00dev,
 629                                      const int txpower)
 630 {
 631         u32 rf3;
 632
 633         rt2x00_rf_read(rt2x00dev, 3, &rf3);
 634         rt2x00_set_field32(&rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
 635         rt2500usb_rf_write(rt2x00dev, 3, rf3);
 636 }
 637
 638 static void rt2500usb_config_ps(struct rt2x00_dev *rt2x00dev,
 639                                 struct rt2x00lib_conf *libconf)
 640 {
 641         enum dev_state state =
 642             (libconf->conf->flags & IEEE80211_CONF_PS) ?
 643                 STATE_SLEEP : STATE_AWAKE;
 644         u16 reg;
 645
 646         if (state == STATE_SLEEP) {
 647                 rt2500usb_register_read(rt2x00dev, MAC_CSR18, &reg);
 648                 rt2x00_set_field16(&reg, MAC_CSR18_DELAY_AFTER_BEACON,
 649                                    rt2x00dev->beacon_int - 20);
 650                 rt2x00_set_field16(&reg, MAC_CSR18_BEACONS_BEFORE_WAKEUP,
 651                                    libconf->conf->listen_interval - 1);
 652
 653                 /* We must first disable autowake before it can be enabled */
 654                 rt2x00_set_field16(&reg, MAC_CSR18_AUTO_WAKE, 0);
 655                 rt2500usb_register_write(rt2x00dev, MAC_CSR18, reg);
 656
 657                 rt2x00_set_field16(&reg, MAC_CSR18_AUTO_WAKE, 1);
 658                 rt2500usb_register_write(rt2x00dev, MAC_CSR18, reg);
 659         } else {
 660                 rt2500usb_register_read(rt2x00dev, MAC_CSR18, &reg);
 661                 rt2x00_set_field16(&reg, MAC_CSR18_AUTO_WAKE, 0);
 662                 rt2500usb_register_write(rt2x00dev, MAC_CSR18, reg);
 663         }
 664
 665         rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
 666 }
 667
 668 static void rt2500usb_config(struct rt2x00_dev *rt2x00dev,
 669                              struct rt2x00lib_conf *libconf,
 670                              const unsigned int flags)
 671 {
 672         if (flags & IEEE80211_CONF_CHANGE_CHANNEL)
 673                 rt2500usb_config_channel(rt2x00dev, &libconf->rf,
 674                                          libconf->conf->power_level);
 675         if ((flags & IEEE80211_CONF_CHANGE_POWER) &&
 676             !(flags & IEEE80211_CONF_CHANGE_CHANNEL))
 677                 rt2500usb_config_txpower(rt2x00dev,
 678                                          libconf->conf->power_level);
 679         if (flags & IEEE80211_CONF_CHANGE_PS)
 680                 rt2500usb_config_ps(rt2x00dev, libconf);
 681 }
 682
 683 /*
 684  * Link tuning
 685  */
 686 static void rt2500usb_link_stats(struct rt2x00_dev *rt2x00dev,
 687                                  struct link_qual *qual)
 688 {
 689         u16 reg;
 690
 691         /*
 692          * Update FCS error count from register.
 693          */
 694         rt2500usb_register_read(rt2x00dev, STA_CSR0, &reg);
 695         qual->rx_failed = rt2x00_get_field16(reg, STA_CSR0_FCS_ERROR);
 696
 697         /*
 698          * Update False CCA count from register.
 699          */
 700         rt2500usb_register_read(rt2x00dev, STA_CSR3, &reg);
 701         qual->false_cca = rt2x00_get_field16(reg, STA_CSR3_FALSE_CCA_ERROR);
 702 }
 703
 704 static void rt2500usb_reset_tuner(struct rt2x00_dev *rt2x00dev,
 705                                   struct link_qual *qual)
 706 {
 707         u16 eeprom;
 708         u16 value;
 709
 710         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &eeprom);
 711         value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R24_LOW);
 712         rt2500usb_bbp_write(rt2x00dev, 24, value);
 713
 714         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &eeprom);
 715         value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R25_LOW);
 716         rt2500usb_bbp_write(rt2x00dev, 25, value);
 717
 718         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &eeprom);
 719         value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R61_LOW);
 720         rt2500usb_bbp_write(rt2x00dev, 61, value);
 721
 722         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &eeprom);
 723         value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_VGCUPPER);
 724         rt2500usb_bbp_write(rt2x00dev, 17, value);
 725
 726         qual->vgc_level = value;
 727 }
 728
 729 /*
 730  * Initialization functions.
 731  */
 732 static int rt2500usb_init_registers(struct rt2x00_dev *rt2x00dev)
 733 {
 734         u16 reg;
 735
 736         rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0x0001,
 737                                     USB_MODE_TEST, REGISTER_TIMEOUT);
 738         rt2x00usb_vendor_request_sw(rt2x00dev, USB_SINGLE_WRITE, 0x0308,
 739                                     0x00f0, REGISTER_TIMEOUT);
 740
 741         rt2500usb_register_read(rt2x00dev, TXRX_CSR2, &reg);
 742         rt2x00_set_field16(&reg, TXRX_CSR2_DISABLE_RX, 1);
 743         rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg);
 744
 745         rt2500usb_register_write(rt2x00dev, MAC_CSR13, 0x1111);
 746         rt2500usb_register_write(rt2x00dev, MAC_CSR14, 0x1e11);
 747
 748         rt2500usb_register_read(rt2x00dev, MAC_CSR1, &reg);
 749         rt2x00_set_field16(&reg, MAC_CSR1_SOFT_RESET, 1);
 750         rt2x00_set_field16(&reg, MAC_CSR1_BBP_RESET, 1);
 751         rt2x00_set_field16(&reg, MAC_CSR1_HOST_READY, 0);
 752         rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg);
 753
 754         rt2500usb_register_read(rt2x00dev, MAC_CSR1, &reg);
 755         rt2x00_set_field16(&reg, MAC_CSR1_SOFT_RESET, 0);
 756         rt2x00_set_field16(&reg, MAC_CSR1_BBP_RESET, 0);
 757         rt2x00_set_field16(&reg, MAC_CSR1_HOST_READY, 0);
 758         rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg);
 759
 760         rt2500usb_register_read(rt2x00dev, TXRX_CSR5, &reg);
 761         rt2x00_set_field16(&reg, TXRX_CSR5_BBP_ID0, 13);
 762         rt2x00_set_field16(&reg, TXRX_CSR5_BBP_ID0_VALID, 1);
 763         rt2x00_set_field16(&reg, TXRX_CSR5_BBP_ID1, 12);
 764         rt2x00_set_field16(&reg, TXRX_CSR5_BBP_ID1_VALID, 1);
 765         rt2500usb_register_write(rt2x00dev, TXRX_CSR5, reg);
 766
 767         rt2500usb_register_read(rt2x00dev, TXRX_CSR6, &reg);
 768         rt2x00_set_field16(&reg, TXRX_CSR6_BBP_ID0, 10);
 769         rt2x00_set_field16(&reg, TXRX_CSR6_BBP_ID0_VALID, 1);
 770         rt2x00_set_field16(&reg, TXRX_CSR6_BBP_ID1, 11);
 771         rt2x00_set_field16(&reg, TXRX_CSR6_BBP_ID1_VALID, 1);
 772         rt2500usb_register_write(rt2x00dev, TXRX_CSR6, reg);
 773
 774         rt2500usb_register_read(rt2x00dev, TXRX_CSR7, &reg);
 775         rt2x00_set_field16(&reg, TXRX_CSR7_BBP_ID0, 7);
 776         rt2x00_set_field16(&reg, TXRX_CSR7_BBP_ID0_VALID, 1);
 777         rt2x00_set_field16(&reg, TXRX_CSR7_BBP_ID1, 6);
 778         rt2x00_set_field16(&reg, TXRX_CSR7_BBP_ID1_VALID, 1);
 779         rt2500usb_register_write(rt2x00dev, TXRX_CSR7, reg);
 780
 781         rt2500usb_register_read(rt2x00dev, TXRX_CSR8, &reg);
 782         rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID0, 5);
 783         rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID0_VALID, 1);
 784         rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID1, 0);
 785         rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID1_VALID, 0);
 786         rt2500usb_register_write(rt2x00dev, TXRX_CSR8, reg);
 787
 788         rt2500usb_register_read(rt2x00dev, TXRX_CSR19, &reg);
 789         rt2x00_set_field16(&reg, TXRX_CSR19_TSF_COUNT, 0);
 790         rt2x00_set_field16(&reg, TXRX_CSR19_TSF_SYNC, 0);
 791         rt2x00_set_field16(&reg, TXRX_CSR19_TBCN, 0);
 792         rt2x00_set_field16(&reg, TXRX_CSR19_BEACON_GEN, 0);
 793         rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
 794
 795         rt2500usb_register_write(rt2x00dev, TXRX_CSR21, 0xe78f);
 796         rt2500usb_register_write(rt2x00dev, MAC_CSR9, 0xff1d);
 797
 798         if (rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_AWAKE))
 799                 return -EBUSY;
 800
 801         rt2500usb_register_read(rt2x00dev, MAC_CSR1, &reg);
 802         rt2x00_set_field16(&reg, MAC_CSR1_SOFT_RESET, 0);
 803         rt2x00_set_field16(&reg, MAC_CSR1_BBP_RESET, 0);
 804         rt2x00_set_field16(&reg, MAC_CSR1_HOST_READY, 1);
 805         rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg);
 806
 807         if (rt2x00_rev(rt2x00dev) >= RT2570_VERSION_C) {
 808                 rt2500usb_register_read(rt2x00dev, PHY_CSR2, &reg);
 809                 rt2x00_set_field16(&reg, PHY_CSR2_LNA, 0);
 810         } else {
 811                 reg = 0;
 812                 rt2x00_set_field16(&reg, PHY_CSR2_LNA, 1);
 813                 rt2x00_set_field16(&reg, PHY_CSR2_LNA_MODE, 3);
 814         }
 815         rt2500usb_register_write(rt2x00dev, PHY_CSR2, reg);
 816
 817         rt2500usb_register_write(rt2x00dev, MAC_CSR11, 0x0002);
 818         rt2500usb_register_write(rt2x00dev, MAC_CSR22, 0x0053);
 819         rt2500usb_register_write(rt2x00dev, MAC_CSR15, 0x01ee);
 820         rt2500usb_register_write(rt2x00dev, MAC_CSR16, 0x0000);
 821
 822         rt2500usb_register_read(rt2x00dev, MAC_CSR8, &reg);
 823         rt2x00_set_field16(&reg, MAC_CSR8_MAX_FRAME_UNIT,
 824                            rt2x00dev->rx->data_size);
 825         rt2500usb_register_write(rt2x00dev, MAC_CSR8, reg);
 826
 827         rt2500usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
 828         rt2x00_set_field16(&reg, TXRX_CSR0_ALGORITHM, CIPHER_NONE);
 829         rt2x00_set_field16(&reg, TXRX_CSR0_IV_OFFSET, IEEE80211_HEADER);
 830         rt2x00_set_field16(&reg, TXRX_CSR0_KEY_ID, 0);
 831         rt2500usb_register_write(rt2x00dev, TXRX_CSR0, reg);
 832
 833         rt2500usb_register_read(rt2x00dev, MAC_CSR18, &reg);
 834         rt2x00_set_field16(&reg, MAC_CSR18_DELAY_AFTER_BEACON, 90);
 835         rt2500usb_register_write(rt2x00dev, MAC_CSR18, reg);
 836
 837         rt2500usb_register_read(rt2x00dev, PHY_CSR4, &reg);
 838         rt2x00_set_field16(&reg, PHY_CSR4_LOW_RF_LE, 1);
 839         rt2500usb_register_write(rt2x00dev, PHY_CSR4, reg);
 840
 841         rt2500usb_register_read(rt2x00dev, TXRX_CSR1, &reg);
 842         rt2x00_set_field16(&reg, TXRX_CSR1_AUTO_SEQUENCE, 1);
 843         rt2500usb_register_write(rt2x00dev, TXRX_CSR1, reg);
 844
 845         return 0;
 846 }
 847
 848 static int rt2500usb_wait_bbp_ready(struct rt2x00_dev *rt2x00dev)
 849 {
 850         unsigned int i;
 851         u8 value;
 852
 853         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
 854                 rt2500usb_bbp_read(rt2x00dev, 0, &value);
 855                 if ((value != 0xff) && (value != 0x00))
 856                         return 0;
 857                 udelay(REGISTER_BUSY_DELAY);
 858         }
 859
 860         ERROR(rt2x00dev, "BBP register access failed, aborting.\n");
 861         return -EACCES;
 862 }
 863
 864 static int rt2500usb_init_bbp(struct rt2x00_dev *rt2x00dev)
 865 {
 866         unsigned int i;
 867         u16 eeprom;
 868         u8 value;
 869         u8 reg_id;
 870
 871         if (unlikely(rt2500usb_wait_bbp_ready(rt2x00dev)))
 872                 return -EACCES;
 873
 874         rt2500usb_bbp_write(rt2x00dev, 3, 0x02);
 875         rt2500usb_bbp_write(rt2x00dev, 4, 0x19);
 876         rt2500usb_bbp_write(rt2x00dev, 14, 0x1c);
 877         rt2500usb_bbp_write(rt2x00dev, 15, 0x30);
 878         rt2500usb_bbp_write(rt2x00dev, 16, 0xac);
 879         rt2500usb_bbp_write(rt2x00dev, 18, 0x18);
 880         rt2500usb_bbp_write(rt2x00dev, 19, 0xff);
 881         rt2500usb_bbp_write(rt2x00dev, 20, 0x1e);
 882         rt2500usb_bbp_write(rt2x00dev, 21, 0x08);
 883         rt2500usb_bbp_write(rt2x00dev, 22, 0x08);
 884         rt2500usb_bbp_write(rt2x00dev, 23, 0x08);
 885         rt2500usb_bbp_write(rt2x00dev, 24, 0x80);
 886         rt2500usb_bbp_write(rt2x00dev, 25, 0x50);
 887         rt2500usb_bbp_write(rt2x00dev, 26, 0x08);
 888         rt2500usb_bbp_write(rt2x00dev, 27, 0x23);
 889         rt2500usb_bbp_write(rt2x00dev, 30, 0x10);
 890         rt2500usb_bbp_write(rt2x00dev, 31, 0x2b);
 891         rt2500usb_bbp_write(rt2x00dev, 32, 0xb9);
 892         rt2500usb_bbp_write(rt2x00dev, 34, 0x12);
 893         rt2500usb_bbp_write(rt2x00dev, 35, 0x50);
 894         rt2500usb_bbp_write(rt2x00dev, 39, 0xc4);
 895         rt2500usb_bbp_write(rt2x00dev, 40, 0x02);
 896         rt2500usb_bbp_write(rt2x00dev, 41, 0x60);
 897         rt2500usb_bbp_write(rt2x00dev, 53, 0x10);
 898         rt2500usb_bbp_write(rt2x00dev, 54, 0x18);
 899         rt2500usb_bbp_write(rt2x00dev, 56, 0x08);
 900         rt2500usb_bbp_write(rt2x00dev, 57, 0x10);
 901         rt2500usb_bbp_write(rt2x00dev, 58, 0x08);
 902         rt2500usb_bbp_write(rt2x00dev, 61, 0x60);
 903         rt2500usb_bbp_write(rt2x00dev, 62, 0x10);
 904         rt2500usb_bbp_write(rt2x00dev, 75, 0xff);
 905
 906         for (i = 0; i < EEPROM_BBP_SIZE; i++) {
 907                 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
 908
 909                 if (eeprom != 0xffff && eeprom != 0x0000) {
 910                         reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
 911                         value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
 912                         rt2500usb_bbp_write(rt2x00dev, reg_id, value);
 913                 }
 914         }
 915
 916         return 0;
 917 }
 918
 919 /*
 920  * Device state switch handlers.
 921  */
 922 static void rt2500usb_toggle_rx(struct rt2x00_dev *rt2x00dev,
 923                                 enum dev_state state)
 924 {
 925         u16 reg;
 926
 927         rt2500usb_register_read(rt2x00dev, TXRX_CSR2, &reg);
 928         rt2x00_set_field16(&reg, TXRX_CSR2_DISABLE_RX,
 929                            (state == STATE_RADIO_RX_OFF) ||
 930                            (state == STATE_RADIO_RX_OFF_LINK));
 931         rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg);
 932 }
 933
 934 static int rt2500usb_enable_radio(struct rt2x00_dev *rt2x00dev)
 935 {
 936         /*
 937          * Initialize all registers.
 938          */
 939         if (unlikely(rt2500usb_init_registers(rt2x00dev) ||
 940                      rt2500usb_init_bbp(rt2x00dev)))
 941                 return -EIO;
 942
 943         return 0;
 944 }
 945
 946 static void rt2500usb_disable_radio(struct rt2x00_dev *rt2x00dev)
 947 {
 948         rt2500usb_register_write(rt2x00dev, MAC_CSR13, 0x2121);
 949         rt2500usb_register_write(rt2x00dev, MAC_CSR14, 0x2121);
 950
 951         /*
 952          * Disable synchronisation.
 953          */
 954         rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0);
 955
 956         rt2x00usb_disable_radio(rt2x00dev);
 957 }
 958
 959 static int rt2500usb_set_state(struct rt2x00_dev *rt2x00dev,
 960                                enum dev_state state)
 961 {
 962         u16 reg;
 963         u16 reg2;
 964         unsigned int i;
 965         char put_to_sleep;
 966         char bbp_state;
 967         char rf_state;
 968
 969         put_to_sleep = (state != STATE_AWAKE);
 970
 971         reg = 0;
 972         rt2x00_set_field16(&reg, MAC_CSR17_BBP_DESIRE_STATE, state);
 973         rt2x00_set_field16(&reg, MAC_CSR17_RF_DESIRE_STATE, state);
 974         rt2x00_set_field16(&reg, MAC_CSR17_PUT_TO_SLEEP, put_to_sleep);
 975         rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg);
 976         rt2x00_set_field16(&reg, MAC_CSR17_SET_STATE, 1);
 977         rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg);
 978
 979         /*
 980          * Device is not guaranteed to be in the requested state yet.
 981          * We must wait until the register indicates that the
 982          * device has entered the correct state.
 983          */
 984         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
 985                 rt2500usb_register_read(rt2x00dev, MAC_CSR17, &reg2);
 986                 bbp_state = rt2x00_get_field16(reg2, MAC_CSR17_BBP_CURR_STATE);
 987                 rf_state = rt2x00_get_field16(reg2, MAC_CSR17_RF_CURR_STATE);
 988                 if (bbp_state == state && rf_state == state)
 989                         return 0;
 990                 rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg);
 991                 msleep(30);
 992         }
 993
 994         return -EBUSY;
 995 }
 996
 997 static int rt2500usb_set_device_state(struct rt2x00_dev *rt2x00dev,
 998                                       enum dev_state state)
 999 {
1000         int retval = 0;
1001
1002         switch (state) {
1003         case STATE_RADIO_ON:
1004                 retval = rt2500usb_enable_radio(rt2x00dev);
1005                 break;
1006         case STATE_RADIO_OFF:
1007                 rt2500usb_disable_radio(rt2x00dev);
1008                 break;
1009         case STATE_RADIO_RX_ON:
1010         case STATE_RADIO_RX_ON_LINK:
1011         case STATE_RADIO_RX_OFF:
1012         case STATE_RADIO_RX_OFF_LINK:
1013                 rt2500usb_toggle_rx(rt2x00dev, state);
1014                 break;
1015         case STATE_RADIO_IRQ_ON:
1016         case STATE_RADIO_IRQ_ON_ISR:
1017         case STATE_RADIO_IRQ_OFF:
1018         case STATE_RADIO_IRQ_OFF_ISR:
1019                 /* No support, but no error either */
1020                 break;
1021         case STATE_DEEP_SLEEP:
1022         case STATE_SLEEP:
1023         case STATE_STANDBY:
1024         case STATE_AWAKE:
1025                 retval = rt2500usb_set_state(rt2x00dev, state);
1026                 break;
1027         default:
1028                 retval = -ENOTSUPP;
1029                 break;
1030         }
1031
1032         if (unlikely(retval))
1033                 ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n",
1034                       state, retval);
1035
1036         return retval;
1037 }
1038
1039 /*
1040  * TX descriptor initialization
1041  */
1042 static void rt2500usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
1043                                     struct sk_buff *skb,
1044                                     struct txentry_desc *txdesc)
1045 {
1046         struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
1047         __le32 *txd = (__le32 *) skb->data;
1048         u32 word;
1049
1050         /*
1051          * Start writing the descriptor words.
1052          */
1053         rt2x00_desc_read(txd, 0, &word);
1054         rt2x00_set_field32(&word, TXD_W0_RETRY_LIMIT, txdesc->retry_limit);
1055         rt2x00_set_field32(&word, TXD_W0_MORE_FRAG,
1056                            test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
1057         rt2x00_set_field32(&word, TXD_W0_ACK,
1058                            test_bit(ENTRY_TXD_ACK, &txdesc->flags));
1059         rt2x00_set_field32(&word, TXD_W0_TIMESTAMP,
1060                            test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
1061         rt2x00_set_field32(&word, TXD_W0_OFDM,
1062                            (txdesc->rate_mode == RATE_MODE_OFDM));
1063         rt2x00_set_field32(&word, TXD_W0_NEW_SEQ,
1064                            test_bit(ENTRY_TXD_FIRST_FRAGMENT, &txdesc->flags));
1065         rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs);
1066         rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, txdesc->length);
1067         rt2x00_set_field32(&word, TXD_W0_CIPHER, !!txdesc->cipher);
1068         rt2x00_set_field32(&word, TXD_W0_KEY_ID, txdesc->key_idx);
1069         rt2x00_desc_write(txd, 0, word);
1070
1071         rt2x00_desc_read(txd, 1, &word);
1072         rt2x00_set_field32(&word, TXD_W1_IV_OFFSET, txdesc->iv_offset);
1073         rt2x00_set_field32(&word, TXD_W1_AIFS, txdesc->aifs);
1074         rt2x00_set_field32(&word, TXD_W1_CWMIN, txdesc->cw_min);
1075         rt2x00_set_field32(&word, TXD_W1_CWMAX, txdesc->cw_max);
1076         rt2x00_desc_write(txd, 1, word);
1077
1078         rt2x00_desc_read(txd, 2, &word);
1079         rt2x00_set_field32(&word, TXD_W2_PLCP_SIGNAL, txdesc->signal);
1080         rt2x00_set_field32(&word, TXD_W2_PLCP_SERVICE, txdesc->service);
1081         rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_LOW, txdesc->length_low);
1082         rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_HIGH, txdesc->length_high);
1083         rt2x00_desc_write(txd, 2, word);
1084
1085         if (test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags)) {
1086                 _rt2x00_desc_write(txd, 3, skbdesc->iv[0]);
1087                 _rt2x00_desc_write(txd, 4, skbdesc->iv[1]);
1088         }
1089
1090         /*
1091          * Register descriptor details in skb frame descriptor.
1092          */
1093         skbdesc->flags |= SKBDESC_DESC_IN_SKB;
1094         skbdesc->desc = txd;
1095         skbdesc->desc_len = TXD_DESC_SIZE;
1096 }
1097
1098 /*
1099  * TX data initialization
1100  */
1101 static void rt2500usb_beacondone(struct urb *urb);
1102
1103 static void rt2500usb_write_beacon(struct queue_entry *entry,
1104                                    struct txentry_desc *txdesc)
1105 {
1106         struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
1107         struct usb_device *usb_dev = to_usb_device_intf(rt2x00dev->dev);
1108         struct queue_entry_priv_usb_bcn *bcn_priv = entry->priv_data;
1109         int pipe = usb_sndbulkpipe(usb_dev, entry->queue->usb_endpoint);
1110         int length;
1111         u16 reg, reg0;
1112
1113         /*
1114          * Disable beaconing while we are reloading the beacon data,
1115          * otherwise we might be sending out invalid data.
1116          */
1117         rt2500usb_register_read(rt2x00dev, TXRX_CSR19, &reg);
1118         rt2x00_set_field16(&reg, TXRX_CSR19_BEACON_GEN, 0);
1119         rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
1120
1121         /*
1122          * Add space for the descriptor in front of the skb.
1123          */
1124         skb_push(entry->skb, TXD_DESC_SIZE);
1125         memset(entry->skb->data, 0, TXD_DESC_SIZE);
1126
1127         /*
1128          * Write the TX descriptor for the beacon.
1129          */
1130         rt2500usb_write_tx_desc(rt2x00dev, entry->skb, txdesc);
1131
1132         /*
1133          * Dump beacon to userspace through debugfs.
1134          */
1135         rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_BEACON, entry->skb);
1136
1137         /*
1138          * USB devices cannot blindly pass the skb->len as the
1139          * length of the data to usb_fill_bulk_urb. Pass the skb
1140          * to the driver to determine what the length should be.
1141          */
1142         length = rt2x00dev->ops->lib->get_tx_data_len(entry);
1143
1144         usb_fill_bulk_urb(bcn_priv->urb, usb_dev, pipe,
1145                           entry->skb->data, length, rt2500usb_beacondone,
1146                           entry);
1147
1148         /*
1149          * Second we need to create the guardian byte.
1150          * We only need a single byte, so lets recycle
1151          * the 'flags' field we are not using for beacons.
1152          */
1153         bcn_priv->guardian_data = 0;
1154         usb_fill_bulk_urb(bcn_priv->guardian_urb, usb_dev, pipe,
1155                           &bcn_priv->guardian_data, 1, rt2500usb_beacondone,
1156                           entry);
1157
1158         /*
1159          * Send out the guardian byte.
1160          */
1161         usb_submit_urb(bcn_priv->guardian_urb, GFP_ATOMIC);
1162
1163         /*
1164          * Enable beaconing again.
1165          */
1166         rt2x00_set_field16(&reg, TXRX_CSR19_TSF_COUNT, 1);
1167         rt2x00_set_field16(&reg, TXRX_CSR19_TBCN, 1);
1168         reg0 = reg;
1169         rt2x00_set_field16(&reg, TXRX_CSR19_BEACON_GEN, 1);
1170         /*
1171          * Beacon generation will fail initially.
1172          * To prevent this we need to change the TXRX_CSR19
1173          * register several times (reg0 is the same as reg
1174          * except for TXRX_CSR19_BEACON_GEN, which is 0 in reg0
1175          * and 1 in reg).
1176          */
1177         rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
1178         rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg0);
1179         rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
1180         rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg0);
1181         rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
1182 }
1183
1184 static int rt2500usb_get_tx_data_len(struct queue_entry *entry)
1185 {
1186         int length;
1187
1188         /*
1189          * The length _must_ be a multiple of 2,
1190          * but it must _not_ be a multiple of the USB packet size.
1191          */
1192         length = roundup(entry->skb->len, 2);
1193         length += (2 * !(length % entry->queue->usb_maxpacket));
1194
1195         return length;
1196 }
1197
1198 /*
1199  * RX control handlers
1200  */
1201 static void rt2500usb_fill_rxdone(struct queue_entry *entry,
1202                                   struct rxdone_entry_desc *rxdesc)
1203 {
1204         struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
1205         struct queue_entry_priv_usb *entry_priv = entry->priv_data;
1206         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
1207         __le32 *rxd =
1208             (__le32 *)(entry->skb->data +
1209                        (entry_priv->urb->actual_length -
1210                         entry->queue->desc_size));
1211         u32 word0;
1212         u32 word1;
1213
1214         /*
1215          * Copy descriptor to the skbdesc->desc buffer, making it safe from moving of
1216          * frame data in rt2x00usb.
1217          */
1218         memcpy(skbdesc->desc, rxd, skbdesc->desc_len);
1219         rxd = (__le32 *)skbdesc->desc;
1220
1221         /*
1222          * It is now safe to read the descriptor on all architectures.
1223          */
1224         rt2x00_desc_read(rxd, 0, &word0);
1225         rt2x00_desc_read(rxd, 1, &word1);
1226
1227         if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR))
1228                 rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
1229         if (rt2x00_get_field32(word0, RXD_W0_PHYSICAL_ERROR))
1230                 rxdesc->flags |= RX_FLAG_FAILED_PLCP_CRC;
1231
1232         rxdesc->cipher = rt2x00_get_field32(word0, RXD_W0_CIPHER);
1233         if (rt2x00_get_field32(word0, RXD_W0_CIPHER_ERROR))
1234                 rxdesc->cipher_status = RX_CRYPTO_FAIL_KEY;
1235
1236         if (rxdesc->cipher != CIPHER_NONE) {
1237                 _rt2x00_desc_read(rxd, 2, &rxdesc->iv[0]);
1238                 _rt2x00_desc_read(rxd, 3, &rxdesc->iv[1]);
1239                 rxdesc->dev_flags |= RXDONE_CRYPTO_IV;
1240
1241                 /* ICV is located at the end of frame */
1242
1243                 rxdesc->flags |= RX_FLAG_MMIC_STRIPPED;
1244                 if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS)
1245                         rxdesc->flags |= RX_FLAG_DECRYPTED;
1246                 else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC)
1247                         rxdesc->flags |= RX_FLAG_MMIC_ERROR;
1248         }
1249
1250         /*
1251          * Obtain the status about this packet.
1252          * When frame was received with an OFDM bitrate,
1253          * the signal is the PLCP value. If it was received with
1254          * a CCK bitrate the signal is the rate in 100kbit/s.
1255          */
1256         rxdesc->signal = rt2x00_get_field32(word1, RXD_W1_SIGNAL);
1257         rxdesc->rssi =
1258             rt2x00_get_field32(word1, RXD_W1_RSSI) - rt2x00dev->rssi_offset;
1259         rxdesc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT);
1260
1261         if (rt2x00_get_field32(word0, RXD_W0_OFDM))
1262                 rxdesc->dev_flags |= RXDONE_SIGNAL_PLCP;
1263         else
1264                 rxdesc->dev_flags |= RXDONE_SIGNAL_BITRATE;
1265         if (rt2x00_get_field32(word0, RXD_W0_MY_BSS))
1266                 rxdesc->dev_flags |= RXDONE_MY_BSS;
1267
1268         /*
1269          * Adjust the skb memory window to the frame boundaries.
1270          */
1271         skb_trim(entry->skb, rxdesc->size);
1272 }
1273
1274 /*
1275  * Interrupt functions.
1276  */
1277 static void rt2500usb_beacondone(struct urb *urb)
1278 {
1279         struct queue_entry *entry = (struct queue_entry *)urb->context;
1280         struct queue_entry_priv_usb_bcn *bcn_priv = entry->priv_data;
1281
1282         if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &entry->queue->rt2x00dev->flags))
1283                 return;
1284
1285         /*
1286          * Check if this was the guardian beacon,
1287          * if that was the case we need to send the real beacon now.
1288          * Otherwise we should free the sk_buffer, the device
1289          * should be doing the rest of the work now.
1290          */
1291         if (bcn_priv->guardian_urb == urb) {
1292                 usb_submit_urb(bcn_priv->urb, GFP_ATOMIC);
1293         } else if (bcn_priv->urb == urb) {
1294                 dev_kfree_skb(entry->skb);
1295                 entry->skb = NULL;
1296         }
1297 }
1298
1299 /*
1300  * Device probe functions.
1301  */
1302 static int rt2500usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
1303 {
1304         u16 word;
1305         u8 *mac;
1306         u8 bbp;
1307
1308         rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom, EEPROM_SIZE);
1309
1310         /*
1311          * Start validation of the data that has been read.
1312          */
1313         mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
1314         if (!is_valid_ether_addr(mac)) {
1315                 random_ether_addr(mac);
1316                 EEPROM(rt2x00dev, "MAC: %pM\n", mac);
1317         }
1318
1319         rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
1320         if (word == 0xffff) {
1321                 rt2x00_set_field16(&word, EEPROM_ANTENNA_NUM, 2);
1322                 rt2x00_set_field16(&word, EEPROM_ANTENNA_TX_DEFAULT,
1323                                    ANTENNA_SW_DIVERSITY);
1324                 rt2x00_set_field16(&word, EEPROM_ANTENNA_RX_DEFAULT,
1325                                    ANTENNA_SW_DIVERSITY);
1326                 rt2x00_set_field16(&word, EEPROM_ANTENNA_LED_MODE,
1327                                    LED_MODE_DEFAULT);
1328                 rt2x00_set_field16(&word, EEPROM_ANTENNA_DYN_TXAGC, 0);
1329                 rt2x00_set_field16(&word, EEPROM_ANTENNA_HARDWARE_RADIO, 0);
1330                 rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF2522);
1331                 rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
1332                 EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word);
1333         }
1334
1335         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word);
1336         if (word == 0xffff) {
1337                 rt2x00_set_field16(&word, EEPROM_NIC_CARDBUS_ACCEL, 0);
1338                 rt2x00_set_field16(&word, EEPROM_NIC_DYN_BBP_TUNE, 0);
1339                 rt2x00_set_field16(&word, EEPROM_NIC_CCK_TX_POWER, 0);
1340                 rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word);
1341                 EEPROM(rt2x00dev, "NIC: 0x%04x\n", word);
1342         }
1343
1344         rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &word);
1345         if (word == 0xffff) {
1346                 rt2x00_set_field16(&word, EEPROM_CALIBRATE_OFFSET_RSSI,
1347                                    DEFAULT_RSSI_OFFSET);
1348                 rt2x00_eeprom_write(rt2x00dev, EEPROM_CALIBRATE_OFFSET, word);
1349                 EEPROM(rt2x00dev, "Calibrate offset: 0x%04x\n", word);
1350         }
1351
1352         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE, &word);
1353         if (word == 0xffff) {
1354                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_THRESHOLD, 45);
1355                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE, word);
1356                 EEPROM(rt2x00dev, "BBPtune: 0x%04x\n", word);
1357         }
1358
1359         /*
1360          * Switch lower vgc bound to current BBP R17 value,
1361          * lower the value a bit for better quality.
1362          */
1363         rt2500usb_bbp_read(rt2x00dev, 17, &bbp);
1364         bbp -= 6;
1365
1366         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &word);
1367         if (word == 0xffff) {
1368                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCUPPER, 0x40);
1369                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCLOWER, bbp);
1370                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_VGC, word);
1371                 EEPROM(rt2x00dev, "BBPtune vgc: 0x%04x\n", word);
1372         } else {
1373                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCLOWER, bbp);
1374                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_VGC, word);
1375         }
1376
1377         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R17, &word);
1378         if (word == 0xffff) {
1379                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R17_LOW, 0x48);
1380                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R17_HIGH, 0x41);
1381                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R17, word);
1382                 EEPROM(rt2x00dev, "BBPtune r17: 0x%04x\n", word);
1383         }
1384
1385         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &word);
1386         if (word == 0xffff) {
1387                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R24_LOW, 0x40);
1388                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R24_HIGH, 0x80);
1389                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R24, word);
1390                 EEPROM(rt2x00dev, "BBPtune r24: 0x%04x\n", word);
1391         }
1392
1393         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &word);
1394         if (word == 0xffff) {
1395                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R25_LOW, 0x40);
1396                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R25_HIGH, 0x50);
1397                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R25, word);
1398                 EEPROM(rt2x00dev, "BBPtune r25: 0x%04x\n", word);
1399         }
1400
1401         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &word);
1402         if (word == 0xffff) {
1403                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R61_LOW, 0x60);
1404                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R61_HIGH, 0x6d);
1405                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R61, word);
1406                 EEPROM(rt2x00dev, "BBPtune r61: 0x%04x\n", word);
1407         }
1408
1409         return 0;
1410 }
1411
1412 static int rt2500usb_init_eeprom(struct rt2x00_dev *rt2x00dev)
1413 {
1414         u16 reg;
1415         u16 value;
1416         u16 eeprom;
1417
1418         /*
1419          * Read EEPROM word for configuration.
1420          */
1421         rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
1422
1423         /*
1424          * Identify RF chipset.
1425          */
1426         value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
1427         rt2500usb_register_read(rt2x00dev, MAC_CSR0, &reg);
1428         rt2x00_set_chip(rt2x00dev, RT2570, value, reg);
1429
1430         if (((reg & 0xfff0) != 0) || ((reg & 0x0000000f) == 0)) {
1431                 ERROR(rt2x00dev, "Invalid RT chipset detected.\n");
1432                 return -ENODEV;
1433         }
1434
1435         if (!rt2x00_rf(rt2x00dev, RF2522) &&
1436             !rt2x00_rf(rt2x00dev, RF2523) &&
1437             !rt2x00_rf(rt2x00dev, RF2524) &&
1438             !rt2x00_rf(rt2x00dev, RF2525) &&
1439             !rt2x00_rf(rt2x00dev, RF2525E) &&
1440             !rt2x00_rf(rt2x00dev, RF5222)) {
1441                 ERROR(rt2x00dev, "Invalid RF chipset detected.\n");
1442                 return -ENODEV;
1443         }
1444
1445         /*
1446          * Identify default antenna configuration.
1447          */
1448         rt2x00dev->default_ant.tx =
1449             rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TX_DEFAULT);
1450         rt2x00dev->default_ant.rx =
1451             rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_DEFAULT);
1452
1453         /*
1454          * When the eeprom indicates SW_DIVERSITY use HW_DIVERSITY instead.
1455          * I am not 100% sure about this, but the legacy drivers do not
1456          * indicate antenna swapping in software is required when
1457          * diversity is enabled.
1458          */
1459         if (rt2x00dev->default_ant.tx == ANTENNA_SW_DIVERSITY)
1460                 rt2x00dev->default_ant.tx = ANTENNA_HW_DIVERSITY;
1461         if (rt2x00dev->default_ant.rx == ANTENNA_SW_DIVERSITY)
1462                 rt2x00dev->default_ant.rx = ANTENNA_HW_DIVERSITY;
1463
1464         /*
1465          * Store led mode, for correct led behaviour.
1466          */
1467 #ifdef CONFIG_RT2X00_LIB_LEDS
1468         value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_LED_MODE);
1469
1470         rt2500usb_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO);
1471         if (value == LED_MODE_TXRX_ACTIVITY ||
1472             value == LED_MODE_DEFAULT ||
1473             value == LED_MODE_ASUS)
1474                 rt2500usb_init_led(rt2x00dev, &rt2x00dev->led_qual,
1475                                    LED_TYPE_ACTIVITY);
1476 #endif /* CONFIG_RT2X00_LIB_LEDS */
1477
1478         /*
1479          * Detect if this device has an hardware controlled radio.
1480          */
1481         if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO))
1482                 __set_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags);
1483
1484         /*
1485          * Read the RSSI <-> dBm offset information.
1486          */
1487         rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &eeprom);
1488         rt2x00dev->rssi_offset =
1489             rt2x00_get_field16(eeprom, EEPROM_CALIBRATE_OFFSET_RSSI);
1490
1491         return 0;
1492 }
1493
1494 /*
1495  * RF value list for RF2522
1496  * Supports: 2.4 GHz
1497  */
1498 static const struct rf_channel rf_vals_bg_2522[] = {
1499         { 1,  0x00002050, 0x000c1fda, 0x00000101, 0 },
1500         { 2,  0x00002050, 0x000c1fee, 0x00000101, 0 },
1501         { 3,  0x00002050, 0x000c2002, 0x00000101, 0 },
1502         { 4,  0x00002050, 0x000c2016, 0x00000101, 0 },
1503         { 5,  0x00002050, 0x000c202a, 0x00000101, 0 },
1504         { 6,  0x00002050, 0x000c203e, 0x00000101, 0 },
1505         { 7,  0x00002050, 0x000c2052, 0x00000101, 0 },
1506         { 8,  0x00002050, 0x000c2066, 0x00000101, 0 },
1507         { 9,  0x00002050, 0x000c207a, 0x00000101, 0 },
1508         { 10, 0x00002050, 0x000c208e, 0x00000101, 0 },
1509         { 11, 0x00002050, 0x000c20a2, 0x00000101, 0 },
1510         { 12, 0x00002050, 0x000c20b6, 0x00000101, 0 },
1511         { 13, 0x00002050, 0x000c20ca, 0x00000101, 0 },
1512         { 14, 0x00002050, 0x000c20fa, 0x00000101, 0 },
1513 };
1514
1515 /*
1516  * RF value list for RF2523
1517  * Supports: 2.4 GHz
1518  */
1519 static const struct rf_channel rf_vals_bg_2523[] = {
1520         { 1,  0x00022010, 0x00000c9e, 0x000e0111, 0x00000a1b },
1521         { 2,  0x00022010, 0x00000ca2, 0x000e0111, 0x00000a1b },
1522         { 3,  0x00022010, 0x00000ca6, 0x000e0111, 0x00000a1b },
1523         { 4,  0x00022010, 0x00000caa, 0x000e0111, 0x00000a1b },
1524         { 5,  0x00022010, 0x00000cae, 0x000e0111, 0x00000a1b },
1525         { 6,  0x00022010, 0x00000cb2, 0x000e0111, 0x00000a1b },
1526         { 7,  0x00022010, 0x00000cb6, 0x000e0111, 0x00000a1b },
1527         { 8,  0x00022010, 0x00000cba, 0x000e0111, 0x00000a1b },
1528         { 9,  0x00022010, 0x00000cbe, 0x000e0111, 0x00000a1b },
1529         { 10, 0x00022010, 0x00000d02, 0x000e0111, 0x00000a1b },
1530         { 11, 0x00022010, 0x00000d06, 0x000e0111, 0x00000a1b },
1531         { 12, 0x00022010, 0x00000d0a, 0x000e0111, 0x00000a1b },
1532         { 13, 0x00022010, 0x00000d0e, 0x000e0111, 0x00000a1b },
1533         { 14, 0x00022010, 0x00000d1a, 0x000e0111, 0x00000a03 },
1534 };
1535
1536 /*
1537  * RF value list for RF2524
1538  * Supports: 2.4 GHz
1539  */
1540 static const struct rf_channel rf_vals_bg_2524[] = {
1541         { 1,  0x00032020, 0x00000c9e, 0x00000101, 0x00000a1b },
1542         { 2,  0x00032020, 0x00000ca2, 0x00000101, 0x00000a1b },
1543         { 3,  0x00032020, 0x00000ca6, 0x00000101, 0x00000a1b },
1544         { 4,  0x00032020, 0x00000caa, 0x00000101, 0x00000a1b },
1545         { 5,  0x00032020, 0x00000cae, 0x00000101, 0x00000a1b },
1546         { 6,  0x00032020, 0x00000cb2, 0x00000101, 0x00000a1b },
1547         { 7,  0x00032020, 0x00000cb6, 0x00000101, 0x00000a1b },
1548         { 8,  0x00032020, 0x00000cba, 0x00000101, 0x00000a1b },
1549         { 9,  0x00032020, 0x00000cbe, 0x00000101, 0x00000a1b },
1550         { 10, 0x00032020, 0x00000d02, 0x00000101, 0x00000a1b },
1551         { 11, 0x00032020, 0x00000d06, 0x00000101, 0x00000a1b },
1552         { 12, 0x00032020, 0x00000d0a, 0x00000101, 0x00000a1b },
1553         { 13, 0x00032020, 0x00000d0e, 0x00000101, 0x00000a1b },
1554         { 14, 0x00032020, 0x00000d1a, 0x00000101, 0x00000a03 },
1555 };
1556
1557 /*
1558  * RF value list for RF2525
1559  * Supports: 2.4 GHz
1560  */
1561 static const struct rf_channel rf_vals_bg_2525[] = {
1562         { 1,  0x00022020, 0x00080c9e, 0x00060111, 0x00000a1b },
1563         { 2,  0x00022020, 0x00080ca2, 0x00060111, 0x00000a1b },
1564         { 3,  0x00022020, 0x00080ca6, 0x00060111, 0x00000a1b },
1565         { 4,  0x00022020, 0x00080caa, 0x00060111, 0x00000a1b },
1566         { 5,  0x00022020, 0x00080cae, 0x00060111, 0x00000a1b },
1567         { 6,  0x00022020, 0x00080cb2, 0x00060111, 0x00000a1b },
1568         { 7,  0x00022020, 0x00080cb6, 0x00060111, 0x00000a1b },
1569         { 8,  0x00022020, 0x00080cba, 0x00060111, 0x00000a1b },
1570         { 9,  0x00022020, 0x00080cbe, 0x00060111, 0x00000a1b },
1571         { 10, 0x00022020, 0x00080d02, 0x00060111, 0x00000a1b },
1572         { 11, 0x00022020, 0x00080d06, 0x00060111, 0x00000a1b },
1573         { 12, 0x00022020, 0x00080d0a, 0x00060111, 0x00000a1b },
1574         { 13, 0x00022020, 0x00080d0e, 0x00060111, 0x00000a1b },
1575         { 14, 0x00022020, 0x00080d1a, 0x00060111, 0x00000a03 },
1576 };
1577
1578 /*
1579  * RF value list for RF2525e
1580  * Supports: 2.4 GHz
1581  */
1582 static const struct rf_channel rf_vals_bg_2525e[] = {
1583         { 1,  0x00022010, 0x0000089a, 0x00060111, 0x00000e1b },
1584         { 2,  0x00022010, 0x0000089e, 0x00060111, 0x00000e07 },
1585         { 3,  0x00022010, 0x0000089e, 0x00060111, 0x00000e1b },
1586         { 4,  0x00022010, 0x000008a2, 0x00060111, 0x00000e07 },
1587         { 5,  0x00022010, 0x000008a2, 0x00060111, 0x00000e1b },
1588         { 6,  0x00022010, 0x000008a6, 0x00060111, 0x00000e07 },
1589         { 7,  0x00022010, 0x000008a6, 0x00060111, 0x00000e1b },
1590         { 8,  0x00022010, 0x000008aa, 0x00060111, 0x00000e07 },
1591         { 9,  0x00022010, 0x000008aa, 0x00060111, 0x00000e1b },
1592         { 10, 0x00022010, 0x000008ae, 0x00060111, 0x00000e07 },
1593         { 11, 0x00022010, 0x000008ae, 0x00060111, 0x00000e1b },
1594         { 12, 0x00022010, 0x000008b2, 0x00060111, 0x00000e07 },
1595         { 13, 0x00022010, 0x000008b2, 0x00060111, 0x00000e1b },
1596         { 14, 0x00022010, 0x000008b6, 0x00060111, 0x00000e23 },
1597 };
1598
1599 /*
1600  * RF value list for RF5222
1601  * Supports: 2.4 GHz & 5.2 GHz
1602  */
1603 static const struct rf_channel rf_vals_5222[] = {
1604         { 1,  0x00022020, 0x00001136, 0x00000101, 0x00000a0b },
1605         { 2,  0x00022020, 0x0000113a, 0x00000101, 0x00000a0b },
1606         { 3,  0x00022020, 0x0000113e, 0x00000101, 0x00000a0b },
1607         { 4,  0x00022020, 0x00001182, 0x00000101, 0x00000a0b },
1608         { 5,  0x00022020, 0x00001186, 0x00000101, 0x00000a0b },
1609         { 6,  0x00022020, 0x0000118a, 0x00000101, 0x00000a0b },
1610         { 7,  0x00022020, 0x0000118e, 0x00000101, 0x00000a0b },
1611         { 8,  0x00022020, 0x00001192, 0x00000101, 0x00000a0b },
1612         { 9,  0x00022020, 0x00001196, 0x00000101, 0x00000a0b },
1613         { 10, 0x00022020, 0x0000119a, 0x00000101, 0x00000a0b },
1614         { 11, 0x00022020, 0x0000119e, 0x00000101, 0x00000a0b },
1615         { 12, 0x00022020, 0x000011a2, 0x00000101, 0x00000a0b },
1616         { 13, 0x00022020, 0x000011a6, 0x00000101, 0x00000a0b },
1617         { 14, 0x00022020, 0x000011ae, 0x00000101, 0x00000a1b },
1618
1619         /* 802.11 UNI / HyperLan 2 */
1620         { 36, 0x00022010, 0x00018896, 0x00000101, 0x00000a1f },
1621         { 40, 0x00022010, 0x0001889a, 0x00000101, 0x00000a1f },
1622         { 44, 0x00022010, 0x0001889e, 0x00000101, 0x00000a1f },
1623         { 48, 0x00022010, 0x000188a2, 0x00000101, 0x00000a1f },
1624         { 52, 0x00022010, 0x000188a6, 0x00000101, 0x00000a1f },
1625         { 66, 0x00022010, 0x000188aa, 0x00000101, 0x00000a1f },
1626         { 60, 0x00022010, 0x000188ae, 0x00000101, 0x00000a1f },
1627         { 64, 0x00022010, 0x000188b2, 0x00000101, 0x00000a1f },
1628
1629         /* 802.11 HyperLan 2 */
1630         { 100, 0x00022010, 0x00008802, 0x00000101, 0x00000a0f },
1631         { 104, 0x00022010, 0x00008806, 0x00000101, 0x00000a0f },
1632         { 108, 0x00022010, 0x0000880a, 0x00000101, 0x00000a0f },
1633         { 112, 0x00022010, 0x0000880e, 0x00000101, 0x00000a0f },
1634         { 116, 0x00022010, 0x00008812, 0x00000101, 0x00000a0f },
1635         { 120, 0x00022010, 0x00008816, 0x00000101, 0x00000a0f },
1636         { 124, 0x00022010, 0x0000881a, 0x00000101, 0x00000a0f },
1637         { 128, 0x00022010, 0x0000881e, 0x00000101, 0x00000a0f },
1638         { 132, 0x00022010, 0x00008822, 0x00000101, 0x00000a0f },
1639         { 136, 0x00022010, 0x00008826, 0x00000101, 0x00000a0f },
1640
1641         /* 802.11 UNII */
1642         { 140, 0x00022010, 0x0000882a, 0x00000101, 0x00000a0f },
1643         { 149, 0x00022020, 0x000090a6, 0x00000101, 0x00000a07 },
1644         { 153, 0x00022020, 0x000090ae, 0x00000101, 0x00000a07 },
1645         { 157, 0x00022020, 0x000090b6, 0x00000101, 0x00000a07 },
1646         { 161, 0x00022020, 0x000090be, 0x00000101, 0x00000a07 },
1647 };
1648
1649 static int rt2500usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
1650 {
1651         struct hw_mode_spec *spec = &rt2x00dev->spec;
1652         struct channel_info *info;
1653         char *tx_power;
1654         unsigned int i;
1655
1656         /*
1657          * Initialize all hw fields.
1658          */
1659         rt2x00dev->hw->flags =
1660             IEEE80211_HW_RX_INCLUDES_FCS |
1661             IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
1662             IEEE80211_HW_SIGNAL_DBM |
1663             IEEE80211_HW_SUPPORTS_PS |
1664             IEEE80211_HW_PS_NULLFUNC_STACK;
1665
1666         SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
1667         SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
1668                                 rt2x00_eeprom_addr(rt2x00dev,
1669                                                    EEPROM_MAC_ADDR_0));
1670
1671         /*
1672          * Initialize hw_mode information.
1673          */
1674         spec->supported_bands = SUPPORT_BAND_2GHZ;
1675         spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
1676
1677         if (rt2x00_rf(rt2x00dev, RF2522)) {
1678                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2522);
1679                 spec->channels = rf_vals_bg_2522;
1680         } else if (rt2x00_rf(rt2x00dev, RF2523)) {
1681                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2523);
1682                 spec->channels = rf_vals_bg_2523;
1683         } else if (rt2x00_rf(rt2x00dev, RF2524)) {
1684                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2524);
1685                 spec->channels = rf_vals_bg_2524;
1686         } else if (rt2x00_rf(rt2x00dev, RF2525)) {
1687                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525);
1688                 spec->channels = rf_vals_bg_2525;
1689         } else if (rt2x00_rf(rt2x00dev, RF2525E)) {
1690                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525e);
1691                 spec->channels = rf_vals_bg_2525e;
1692         } else if (rt2x00_rf(rt2x00dev, RF5222)) {
1693                 spec->supported_bands |= SUPPORT_BAND_5GHZ;
1694                 spec->num_channels = ARRAY_SIZE(rf_vals_5222);
1695                 spec->channels = rf_vals_5222;
1696         }
1697
1698         /*
1699          * Create channel information array
1700          */
1701         info = kcalloc(spec->num_channels, sizeof(*info), GFP_KERNEL);
1702         if (!info)
1703                 return -ENOMEM;
1704
1705         spec->channels_info = info;
1706
1707         tx_power = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_START);
1708         for (i = 0; i < 14; i++)
1709                 info[i].tx_power1 = TXPOWER_FROM_DEV(tx_power[i]);
1710
1711         if (spec->num_channels > 14) {
1712                 for (i = 14; i < spec->num_channels; i++)
1713                         info[i].tx_power1 = DEFAULT_TXPOWER;
1714         }
1715
1716         return 0;
1717 }
1718
1719 static int rt2500usb_probe_hw(struct rt2x00_dev *rt2x00dev)
1720 {
1721         int retval;
1722
1723         /*
1724          * Allocate eeprom data.
1725          */
1726         retval = rt2500usb_validate_eeprom(rt2x00dev);
1727         if (retval)
1728                 return retval;
1729
1730         retval = rt2500usb_init_eeprom(rt2x00dev);
1731         if (retval)
1732                 return retval;
1733
1734         /*
1735          * Initialize hw specifications.
1736          */
1737         retval = rt2500usb_probe_hw_mode(rt2x00dev);
1738         if (retval)
1739                 return retval;
1740
1741         /*
1742          * This device requires the atim queue
1743          */
1744         __set_bit(DRIVER_REQUIRE_ATIM_QUEUE, &rt2x00dev->flags);
1745         __set_bit(DRIVER_REQUIRE_BEACON_GUARD, &rt2x00dev->flags);
1746         if (!modparam_nohwcrypt) {
1747                 __set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags);
1748                 __set_bit(DRIVER_REQUIRE_COPY_IV, &rt2x00dev->flags);
1749         }
1750         __set_bit(DRIVER_SUPPORT_WATCHDOG, &rt2x00dev->flags);
1751
1752         /*
1753          * Set the rssi offset.
1754          */
1755         rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
1756
1757         return 0;
1758 }
1759
1760 static const struct ieee80211_ops rt2500usb_mac80211_ops = {
1761         .tx                     = rt2x00mac_tx,
1762         .start                  = rt2x00mac_start,
1763         .stop                   = rt2x00mac_stop,
1764         .add_interface          = rt2x00mac_add_interface,
1765         .remove_interface       = rt2x00mac_remove_interface,
1766         .config                 = rt2x00mac_config,
1767         .configure_filter       = rt2x00mac_configure_filter,
1768         .set_tim                = rt2x00mac_set_tim,
1769         .set_key                = rt2x00mac_set_key,
1770         .sw_scan_start          = rt2x00mac_sw_scan_start,
1771         .sw_scan_complete       = rt2x00mac_sw_scan_complete,
1772         .get_stats              = rt2x00mac_get_stats,
1773         .bss_info_changed       = rt2x00mac_bss_info_changed,
1774         .conf_tx                = rt2x00mac_conf_tx,
1775         .rfkill_poll            = rt2x00mac_rfkill_poll,
1776 };
1777
1778 static const struct rt2x00lib_ops rt2500usb_rt2x00_ops = {
1779         .probe_hw               = rt2500usb_probe_hw,
1780         .initialize             = rt2x00usb_initialize,
1781         .uninitialize           = rt2x00usb_uninitialize,
1782         .clear_entry            = rt2x00usb_clear_entry,
1783         .set_device_state       = rt2500usb_set_device_state,
1784         .rfkill_poll            = rt2500usb_rfkill_poll,
1785         .link_stats             = rt2500usb_link_stats,
1786         .reset_tuner            = rt2500usb_reset_tuner,
1787         .watchdog               = rt2x00usb_watchdog,
1788         .write_tx_desc          = rt2500usb_write_tx_desc,
1789         .write_beacon           = rt2500usb_write_beacon,
1790         .get_tx_data_len        = rt2500usb_get_tx_data_len,
1791         .kick_tx_queue          = rt2x00usb_kick_tx_queue,
1792         .kill_tx_queue          = rt2x00usb_kill_tx_queue,
1793         .fill_rxdone            = rt2500usb_fill_rxdone,
1794         .config_shared_key      = rt2500usb_config_key,
1795         .config_pairwise_key    = rt2500usb_config_key,
1796         .config_filter          = rt2500usb_config_filter,
1797         .config_intf            = rt2500usb_config_intf,
1798         .config_erp             = rt2500usb_config_erp,
1799         .config_ant             = rt2500usb_config_ant,
1800         .config                 = rt2500usb_config,
1801 };
1802
1803 static const struct data_queue_desc rt2500usb_queue_rx = {
1804         .entry_num              = RX_ENTRIES,
1805         .data_size              = DATA_FRAME_SIZE,
1806         .desc_size              = RXD_DESC_SIZE,
1807         .priv_size              = sizeof(struct queue_entry_priv_usb),
1808 };
1809
1810 static const struct data_queue_desc rt2500usb_queue_tx = {
1811         .entry_num              = TX_ENTRIES,
1812         .data_size              = DATA_FRAME_SIZE,
1813         .desc_size              = TXD_DESC_SIZE,
1814         .priv_size              = sizeof(struct queue_entry_priv_usb),
1815 };
1816
1817 static const struct data_queue_desc rt2500usb_queue_bcn = {
1818         .entry_num              = BEACON_ENTRIES,
1819         .data_size              = MGMT_FRAME_SIZE,
1820         .desc_size              = TXD_DESC_SIZE,
1821         .priv_size              = sizeof(struct queue_entry_priv_usb_bcn),
1822 };
1823
1824 static const struct data_queue_desc rt2500usb_queue_atim = {
1825         .entry_num              = ATIM_ENTRIES,
1826         .data_size              = DATA_FRAME_SIZE,
1827         .desc_size              = TXD_DESC_SIZE,
1828         .priv_size              = sizeof(struct queue_entry_priv_usb),
1829 };
1830
1831 static const struct rt2x00_ops rt2500usb_ops = {
1832         .name                   = KBUILD_MODNAME,
1833         .max_sta_intf           = 1,
1834         .max_ap_intf            = 1,
1835         .eeprom_size            = EEPROM_SIZE,
1836         .rf_size                = RF_SIZE,
1837         .tx_queues              = NUM_TX_QUEUES,
1838         .extra_tx_headroom      = TXD_DESC_SIZE,
1839         .rx                     = &rt2500usb_queue_rx,
1840         .tx                     = &rt2500usb_queue_tx,
1841         .bcn                    = &rt2500usb_queue_bcn,
1842         .atim                   = &rt2500usb_queue_atim,
1843         .lib                    = &rt2500usb_rt2x00_ops,
1844         .hw                     = &rt2500usb_mac80211_ops,
1845 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
1846         .debugfs                = &rt2500usb_rt2x00debug,
1847 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
1848 };
1849
1850 /*
1851  * rt2500usb module information.
1852  */
1853 static struct usb_device_id rt2500usb_device_table[] = {
1854         /* ASUS */
1855         { USB_DEVICE(0x0b05, 0x1706), USB_DEVICE_DATA(&rt2500usb_ops) },
1856         { USB_DEVICE(0x0b05, 0x1707), USB_DEVICE_DATA(&rt2500usb_ops) },
1857         /* Belkin */
1858         { USB_DEVICE(0x050d, 0x7050), USB_DEVICE_DATA(&rt2500usb_ops) },
1859         { USB_DEVICE(0x050d, 0x7051), USB_DEVICE_DATA(&rt2500usb_ops) },
1860         { USB_DEVICE(0x050d, 0x705a), USB_DEVICE_DATA(&rt2500usb_ops) },
1861         /* Cisco Systems */
1862         { USB_DEVICE(0x13b1, 0x000d), USB_DEVICE_DATA(&rt2500usb_ops) },
1863         { USB_DEVICE(0x13b1, 0x0011), USB_DEVICE_DATA(&rt2500usb_ops) },
1864         { USB_DEVICE(0x13b1, 0x001a), USB_DEVICE_DATA(&rt2500usb_ops) },
1865         /* CNet */
1866         { USB_DEVICE(0x1371, 0x9022), USB_DEVICE_DATA(&rt2500usb_ops) },
1867         /* Conceptronic */
1868         { USB_DEVICE(0x14b2, 0x3c02), USB_DEVICE_DATA(&rt2500usb_ops) },
1869         /* D-LINK */
1870         { USB_DEVICE(0x2001, 0x3c00), USB_DEVICE_DATA(&rt2500usb_ops) },
1871         /* Gigabyte */
1872         { USB_DEVICE(0x1044, 0x8001), USB_DEVICE_DATA(&rt2500usb_ops) },
1873         { USB_DEVICE(0x1044, 0x8007), USB_DEVICE_DATA(&rt2500usb_ops) },
1874         /* Hercules */
1875         { USB_DEVICE(0x06f8, 0xe000), USB_DEVICE_DATA(&rt2500usb_ops) },
1876         /* Melco */
1877         { USB_DEVICE(0x0411, 0x005e), USB_DEVICE_DATA(&rt2500usb_ops) },
1878         { USB_DEVICE(0x0411, 0x0066), USB_DEVICE_DATA(&rt2500usb_ops) },
1879         { USB_DEVICE(0x0411, 0x0067), USB_DEVICE_DATA(&rt2500usb_ops) },
1880         { USB_DEVICE(0x0411, 0x008b), USB_DEVICE_DATA(&rt2500usb_ops) },
1881         { USB_DEVICE(0x0411, 0x0097), USB_DEVICE_DATA(&rt2500usb_ops) },
1882         /* MSI */
1883         { USB_DEVICE(0x0db0, 0x6861), USB_DEVICE_DATA(&rt2500usb_ops) },
1884         { USB_DEVICE(0x0db0, 0x6865), USB_DEVICE_DATA(&rt2500usb_ops) },
1885         { USB_DEVICE(0x0db0, 0x6869), USB_DEVICE_DATA(&rt2500usb_ops) },
1886         /* Ralink */
1887         { USB_DEVICE(0x148f, 0x1706), USB_DEVICE_DATA(&rt2500usb_ops) },
1888         { USB_DEVICE(0x148f, 0x2570), USB_DEVICE_DATA(&rt2500usb_ops) },
1889         { USB_DEVICE(0x148f, 0x2573), USB_DEVICE_DATA(&rt2500usb_ops) },
1890         { USB_DEVICE(0x148f, 0x9020), USB_DEVICE_DATA(&rt2500usb_ops) },
1891         /* Sagem */
1892         { USB_DEVICE(0x079b, 0x004b), USB_DEVICE_DATA(&rt2500usb_ops) },
1893         /* Siemens */
1894         { USB_DEVICE(0x0681, 0x3c06), USB_DEVICE_DATA(&rt2500usb_ops) },
1895         /* SMC */
1896         { USB_DEVICE(0x0707, 0xee13), USB_DEVICE_DATA(&rt2500usb_ops) },
1897         /* Spairon */
1898         { USB_DEVICE(0x114b, 0x0110), USB_DEVICE_DATA(&rt2500usb_ops) },
1899         /* SURECOM */
1900         { USB_DEVICE(0x0769, 0x11f3), USB_DEVICE_DATA(&rt2500usb_ops) },
1901         /* Trust */
1902         { USB_DEVICE(0x0eb0, 0x9020), USB_DEVICE_DATA(&rt2500usb_ops) },
1903         /* VTech */
1904         { USB_DEVICE(0x0f88, 0x3012), USB_DEVICE_DATA(&rt2500usb_ops) },
1905         /* Zinwell */
1906         { USB_DEVICE(0x5a57, 0x0260), USB_DEVICE_DATA(&rt2500usb_ops) },
1907         { 0, }
1908 };
1909
1910 MODULE_AUTHOR(DRV_PROJECT);
1911 MODULE_VERSION(DRV_VERSION);
1912 MODULE_DESCRIPTION("Ralink RT2500 USB Wireless LAN driver.");
1913 MODULE_SUPPORTED_DEVICE("Ralink RT2570 USB chipset based cards");
1914 MODULE_DEVICE_TABLE(usb, rt2500usb_device_table);
1915 MODULE_LICENSE("GPL");
1916
1917 static struct usb_driver rt2500usb_driver = {
1918         .name           = KBUILD_MODNAME,
1919         .id_table       = rt2500usb_device_table,
1920         .probe          = rt2x00usb_probe,
1921         .disconnect     = rt2x00usb_disconnect,
1922         .suspend        = rt2x00usb_suspend,
1923         .resume         = rt2x00usb_resume,
1924 };
1925
1926 static int __init rt2500usb_init(void)
1927 {
1928         return usb_register(&rt2500usb_driver);
1929 }
1930
1931 static void __exit rt2500usb_exit(void)
1932 {
1933         usb_deregister(&rt2500usb_driver);
1934 }
1935
1936 module_init(rt2500usb_init);
1937 module_exit(rt2500usb_exit);