drivers/net/wireless/rt2x00/rt73usb.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: rt73usb
  23         Abstract: rt73usb device specific routines.
  24         Supported chipsets: rt2571W & rt2671.
  25  */
  26
  27 #include <linux/crc-itu-t.h>
  28 #include <linux/delay.h>
  29 #include <linux/etherdevice.h>
  30 #include <linux/init.h>
  31 #include <linux/kernel.h>
  32 #include <linux/module.h>
  33 #include <linux/slab.h>
  34 #include <linux/usb.h>
  35
  36 #include "rt2x00.h"
  37 #include "rt2x00usb.h"
  38 #include "rt73usb.h"
  39
  40 /*
  41  * Allow hardware encryption to be disabled.
  42  */
  43 static int modparam_nohwcrypt;
  44 module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
  45 MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
  46
  47 /*
  48  * Register access.
  49  * All access to the CSR registers will go through the methods
  50  * rt2x00usb_register_read and rt2x00usb_register_write.
  51  * BBP and RF register require indirect register access,
  52  * and use the CSR registers BBPCSR and RFCSR to achieve this.
  53  * These indirect registers work with busy bits,
  54  * and we will try maximal REGISTER_BUSY_COUNT times to access
  55  * the register while taking a REGISTER_BUSY_DELAY us delay
  56  * between each attampt. When the busy bit is still set at that time,
  57  * the access attempt is considered to have failed,
  58  * and we will print an error.
  59  * The _lock versions must be used if you already hold the csr_mutex
  60  */
  61 #define WAIT_FOR_BBP(__dev, __reg) \
  62         rt2x00usb_regbusy_read((__dev), PHY_CSR3, PHY_CSR3_BUSY, (__reg))
  63 #define WAIT_FOR_RF(__dev, __reg) \
  64         rt2x00usb_regbusy_read((__dev), PHY_CSR4, PHY_CSR4_BUSY, (__reg))
  65
  66 static void rt73usb_bbp_write(struct rt2x00_dev *rt2x00dev,
  67                               const unsigned int word, const u8 value)
  68 {
  69         u32 reg;
  70
  71         mutex_lock(&rt2x00dev->csr_mutex);
  72
  73         /*
  74          * Wait until the BBP becomes available, afterwards we
  75          * can safely write the new data into the register.
  76          */
  77         if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
  78                 reg = 0;
  79                 rt2x00_set_field32(&reg, PHY_CSR3_VALUE, value);
  80                 rt2x00_set_field32(&reg, PHY_CSR3_REGNUM, word);
  81                 rt2x00_set_field32(&reg, PHY_CSR3_BUSY, 1);
  82                 rt2x00_set_field32(&reg, PHY_CSR3_READ_CONTROL, 0);
  83
  84                 rt2x00usb_register_write_lock(rt2x00dev, PHY_CSR3, reg);
  85         }
  86
  87         mutex_unlock(&rt2x00dev->csr_mutex);
  88 }
  89
  90 static void rt73usb_bbp_read(struct rt2x00_dev *rt2x00dev,
  91                              const unsigned int word, u8 *value)
  92 {
  93         u32 reg;
  94
  95         mutex_lock(&rt2x00dev->csr_mutex);
  96
  97         /*
  98          * Wait until the BBP becomes available, afterwards we
  99          * can safely write the read request into the register.
 100          * After the data has been written, we wait until hardware
 101          * returns the correct value, if at any time the register
 102          * doesn't become available in time, reg will be 0xffffffff
 103          * which means we return 0xff to the caller.
 104          */
 105         if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
 106                 reg = 0;
 107                 rt2x00_set_field32(&reg, PHY_CSR3_REGNUM, word);
 108                 rt2x00_set_field32(&reg, PHY_CSR3_BUSY, 1);
 109                 rt2x00_set_field32(&reg, PHY_CSR3_READ_CONTROL, 1);
 110
 111                 rt2x00usb_register_write_lock(rt2x00dev, PHY_CSR3, reg);
 112
 113                 WAIT_FOR_BBP(rt2x00dev, &reg);
 114         }
 115
 116         *value = rt2x00_get_field32(reg, PHY_CSR3_VALUE);
 117
 118         mutex_unlock(&rt2x00dev->csr_mutex);
 119 }
 120
 121 static void rt73usb_rf_write(struct rt2x00_dev *rt2x00dev,
 122                              const unsigned int word, const u32 value)
 123 {
 124         u32 reg;
 125
 126         mutex_lock(&rt2x00dev->csr_mutex);
 127
 128         /*
 129          * Wait until the RF becomes available, afterwards we
 130          * can safely write the new data into the register.
 131          */
 132         if (WAIT_FOR_RF(rt2x00dev, &reg)) {
 133                 reg = 0;
 134                 rt2x00_set_field32(&reg, PHY_CSR4_VALUE, value);
 135                 /*
 136                  * RF5225 and RF2527 contain 21 bits per RF register value,
 137                  * all others contain 20 bits.
 138                  */
 139                 rt2x00_set_field32(&reg, PHY_CSR4_NUMBER_OF_BITS,
 140                                    20 + (rt2x00_rf(rt2x00dev, RF5225) ||
 141                                          rt2x00_rf(rt2x00dev, RF2527)));
 142                 rt2x00_set_field32(&reg, PHY_CSR4_IF_SELECT, 0);
 143                 rt2x00_set_field32(&reg, PHY_CSR4_BUSY, 1);
 144
 145                 rt2x00usb_register_write_lock(rt2x00dev, PHY_CSR4, reg);
 146                 rt2x00_rf_write(rt2x00dev, word, value);
 147         }
 148
 149         mutex_unlock(&rt2x00dev->csr_mutex);
 150 }
 151
 152 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
 153 static const struct rt2x00debug rt73usb_rt2x00debug = {
 154         .owner  = THIS_MODULE,
 155         .csr    = {
 156                 .read           = rt2x00usb_register_read,
 157                 .write          = rt2x00usb_register_write,
 158                 .flags          = RT2X00DEBUGFS_OFFSET,
 159                 .word_base      = CSR_REG_BASE,
 160                 .word_size      = sizeof(u32),
 161                 .word_count     = CSR_REG_SIZE / sizeof(u32),
 162         },
 163         .eeprom = {
 164                 .read           = rt2x00_eeprom_read,
 165                 .write          = rt2x00_eeprom_write,
 166                 .word_base      = EEPROM_BASE,
 167                 .word_size      = sizeof(u16),
 168                 .word_count     = EEPROM_SIZE / sizeof(u16),
 169         },
 170         .bbp    = {
 171                 .read           = rt73usb_bbp_read,
 172                 .write          = rt73usb_bbp_write,
 173                 .word_base      = BBP_BASE,
 174                 .word_size      = sizeof(u8),
 175                 .word_count     = BBP_SIZE / sizeof(u8),
 176         },
 177         .rf     = {
 178                 .read           = rt2x00_rf_read,
 179                 .write          = rt73usb_rf_write,
 180                 .word_base      = RF_BASE,
 181                 .word_size      = sizeof(u32),
 182                 .word_count     = RF_SIZE / sizeof(u32),
 183         },
 184 };
 185 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
 186
 187 static int rt73usb_rfkill_poll(struct rt2x00_dev *rt2x00dev)
 188 {
 189         u32 reg;
 190
 191         rt2x00usb_register_read(rt2x00dev, MAC_CSR13, &reg);
 192         return rt2x00_get_field32(reg, MAC_CSR13_BIT7);
 193 }
 194
 195 #ifdef CONFIG_RT2X00_LIB_LEDS
 196 static void rt73usb_brightness_set(struct led_classdev *led_cdev,
 197                                    enum led_brightness brightness)
 198 {
 199         struct rt2x00_led *led =
 200            container_of(led_cdev, struct rt2x00_led, led_dev);
 201         unsigned int enabled = brightness != LED_OFF;
 202         unsigned int a_mode =
 203             (enabled && led->rt2x00dev->curr_band == IEEE80211_BAND_5GHZ);
 204         unsigned int bg_mode =
 205             (enabled && led->rt2x00dev->curr_band == IEEE80211_BAND_2GHZ);
 206
 207         if (led->type == LED_TYPE_RADIO) {
 208                 rt2x00_set_field16(&led->rt2x00dev->led_mcu_reg,
 209                                    MCU_LEDCS_RADIO_STATUS, enabled);
 210
 211                 rt2x00usb_vendor_request_sw(led->rt2x00dev, USB_LED_CONTROL,
 212                                             0, led->rt2x00dev->led_mcu_reg,
 213                                             REGISTER_TIMEOUT);
 214         } else if (led->type == LED_TYPE_ASSOC) {
 215                 rt2x00_set_field16(&led->rt2x00dev->led_mcu_reg,
 216                                    MCU_LEDCS_LINK_BG_STATUS, bg_mode);
 217                 rt2x00_set_field16(&led->rt2x00dev->led_mcu_reg,
 218                                    MCU_LEDCS_LINK_A_STATUS, a_mode);
 219
 220                 rt2x00usb_vendor_request_sw(led->rt2x00dev, USB_LED_CONTROL,
 221                                             0, led->rt2x00dev->led_mcu_reg,
 222                                             REGISTER_TIMEOUT);
 223         } else if (led->type == LED_TYPE_QUALITY) {
 224                 /*
 225                  * The brightness is divided into 6 levels (0 - 5),
 226                  * this means we need to convert the brightness
 227                  * argument into the matching level within that range.
 228                  */
 229                 rt2x00usb_vendor_request_sw(led->rt2x00dev, USB_LED_CONTROL,
 230                                             brightness / (LED_FULL / 6),
 231                                             led->rt2x00dev->led_mcu_reg,
 232                                             REGISTER_TIMEOUT);
 233         }
 234 }
 235
 236 static int rt73usb_blink_set(struct led_classdev *led_cdev,
 237                              unsigned long *delay_on,
 238                              unsigned long *delay_off)
 239 {
 240         struct rt2x00_led *led =
 241             container_of(led_cdev, struct rt2x00_led, led_dev);
 242         u32 reg;
 243
 244         rt2x00usb_register_read(led->rt2x00dev, MAC_CSR14, &reg);
 245         rt2x00_set_field32(&reg, MAC_CSR14_ON_PERIOD, *delay_on);
 246         rt2x00_set_field32(&reg, MAC_CSR14_OFF_PERIOD, *delay_off);
 247         rt2x00usb_register_write(led->rt2x00dev, MAC_CSR14, reg);
 248
 249         return 0;
 250 }
 251
 252 static void rt73usb_init_led(struct rt2x00_dev *rt2x00dev,
 253                              struct rt2x00_led *led,
 254                              enum led_type type)
 255 {
 256         led->rt2x00dev = rt2x00dev;
 257         led->type = type;
 258         led->led_dev.brightness_set = rt73usb_brightness_set;
 259         led->led_dev.blink_set = rt73usb_blink_set;
 260         led->flags = LED_INITIALIZED;
 261 }
 262 #endif /* CONFIG_RT2X00_LIB_LEDS */
 263
 264 /*
 265  * Configuration handlers.
 266  */
 267 static int rt73usb_config_shared_key(struct rt2x00_dev *rt2x00dev,
 268                                      struct rt2x00lib_crypto *crypto,
 269                                      struct ieee80211_key_conf *key)
 270 {
 271         struct hw_key_entry key_entry;
 272         struct rt2x00_field32 field;
 273         u32 mask;
 274         u32 reg;
 275
 276         if (crypto->cmd == SET_KEY) {
 277                 /*
 278                  * rt2x00lib can't determine the correct free
 279                  * key_idx for shared keys. We have 1 register
 280                  * with key valid bits. The goal is simple, read
 281                  * the register, if that is full we have no slots
 282                  * left.
 283                  * Note that each BSS is allowed to have up to 4
 284                  * shared keys, so put a mask over the allowed
 285                  * entries.
 286                  */
 287                 mask = (0xf << crypto->bssidx);
 288
 289                 rt2x00usb_register_read(rt2x00dev, SEC_CSR0, &reg);
 290                 reg &= mask;
 291
 292                 if (reg && reg == mask)
 293                         return -ENOSPC;
 294
 295                 key->hw_key_idx += reg ? ffz(reg) : 0;
 296
 297                 /*
 298                  * Upload key to hardware
 299                  */
 300                 memcpy(key_entry.key, crypto->key,
 301                        sizeof(key_entry.key));
 302                 memcpy(key_entry.tx_mic, crypto->tx_mic,
 303                        sizeof(key_entry.tx_mic));
 304                 memcpy(key_entry.rx_mic, crypto->rx_mic,
 305                        sizeof(key_entry.rx_mic));
 306
 307                 reg = SHARED_KEY_ENTRY(key->hw_key_idx);
 308                 rt2x00usb_register_multiwrite(rt2x00dev, reg,
 309                                               &key_entry, sizeof(key_entry));
 310
 311                 /*
 312                  * The cipher types are stored over 2 registers.
 313                  * bssidx 0 and 1 keys are stored in SEC_CSR1 and
 314                  * bssidx 1 and 2 keys are stored in SEC_CSR5.
 315                  * Using the correct defines correctly will cause overhead,
 316                  * so just calculate the correct offset.
 317                  */
 318                 if (key->hw_key_idx < 8) {
 319                         field.bit_offset = (3 * key->hw_key_idx);
 320                         field.bit_mask = 0x7 << field.bit_offset;
 321
 322                         rt2x00usb_register_read(rt2x00dev, SEC_CSR1, &reg);
 323                         rt2x00_set_field32(&reg, field, crypto->cipher);
 324                         rt2x00usb_register_write(rt2x00dev, SEC_CSR1, reg);
 325                 } else {
 326                         field.bit_offset = (3 * (key->hw_key_idx - 8));
 327                         field.bit_mask = 0x7 << field.bit_offset;
 328
 329                         rt2x00usb_register_read(rt2x00dev, SEC_CSR5, &reg);
 330                         rt2x00_set_field32(&reg, field, crypto->cipher);
 331                         rt2x00usb_register_write(rt2x00dev, SEC_CSR5, reg);
 332                 }
 333
 334                 /*
 335                  * The driver does not support the IV/EIV generation
 336                  * in hardware. However it doesn't support the IV/EIV
 337                  * inside the ieee80211 frame either, but requires it
 338                  * to be provided separately for the descriptor.
 339                  * rt2x00lib will cut the IV/EIV data out of all frames
 340                  * given to us by mac80211, but we must tell mac80211
 341                  * to generate the IV/EIV data.
 342                  */
 343                 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
 344         }
 345
 346         /*
 347          * SEC_CSR0 contains only single-bit fields to indicate
 348          * a particular key is valid. Because using the FIELD32()
 349          * defines directly will cause a lot of overhead we use
 350          * a calculation to determine the correct bit directly.
 351          */
 352         mask = 1 << key->hw_key_idx;
 353
 354         rt2x00usb_register_read(rt2x00dev, SEC_CSR0, &reg);
 355         if (crypto->cmd == SET_KEY)
 356                 reg |= mask;
 357         else if (crypto->cmd == DISABLE_KEY)
 358                 reg &= ~mask;
 359         rt2x00usb_register_write(rt2x00dev, SEC_CSR0, reg);
 360
 361         return 0;
 362 }
 363
 364 static int rt73usb_config_pairwise_key(struct rt2x00_dev *rt2x00dev,
 365                                        struct rt2x00lib_crypto *crypto,
 366                                        struct ieee80211_key_conf *key)
 367 {
 368         struct hw_pairwise_ta_entry addr_entry;
 369         struct hw_key_entry key_entry;
 370         u32 mask;
 371         u32 reg;
 372
 373         if (crypto->cmd == SET_KEY) {
 374                 /*
 375                  * rt2x00lib can't determine the correct free
 376                  * key_idx for pairwise keys. We have 2 registers
 377                  * with key valid bits. The goal is simple, read
 378                  * the first register, if that is full move to
 379                  * the next register.
 380                  * When both registers are full, we drop the key,
 381                  * otherwise we use the first invalid entry.
 382                  */
 383                 rt2x00usb_register_read(rt2x00dev, SEC_CSR2, &reg);
 384                 if (reg && reg == ~0) {
 385                         key->hw_key_idx = 32;
 386                         rt2x00usb_register_read(rt2x00dev, SEC_CSR3, &reg);
 387                         if (reg && reg == ~0)
 388                                 return -ENOSPC;
 389                 }
 390
 391                 key->hw_key_idx += reg ? ffz(reg) : 0;
 392
 393                 /*
 394                  * Upload key to hardware
 395                  */
 396                 memcpy(key_entry.key, crypto->key,
 397                        sizeof(key_entry.key));
 398                 memcpy(key_entry.tx_mic, crypto->tx_mic,
 399                        sizeof(key_entry.tx_mic));
 400                 memcpy(key_entry.rx_mic, crypto->rx_mic,
 401                        sizeof(key_entry.rx_mic));
 402
 403                 reg = PAIRWISE_KEY_ENTRY(key->hw_key_idx);
 404                 rt2x00usb_register_multiwrite(rt2x00dev, reg,
 405                                               &key_entry, sizeof(key_entry));
 406
 407                 /*
 408                  * Send the address and cipher type to the hardware register.
 409                  */
 410                 memset(&addr_entry, 0, sizeof(addr_entry));
 411                 memcpy(&addr_entry, crypto->address, ETH_ALEN);
 412                 addr_entry.cipher = crypto->cipher;
 413
 414                 reg = PAIRWISE_TA_ENTRY(key->hw_key_idx);
 415                 rt2x00usb_register_multiwrite(rt2x00dev, reg,
 416                                             &addr_entry, sizeof(addr_entry));
 417
 418                 /*
 419                  * Enable pairwise lookup table for given BSS idx,
 420                  * without this received frames will not be decrypted
 421                  * by the hardware.
 422                  */
 423                 rt2x00usb_register_read(rt2x00dev, SEC_CSR4, &reg);
 424                 reg |= (1 << crypto->bssidx);
 425                 rt2x00usb_register_write(rt2x00dev, SEC_CSR4, reg);
 426
 427                 /*
 428                  * The driver does not support the IV/EIV generation
 429                  * in hardware. However it doesn't support the IV/EIV
 430                  * inside the ieee80211 frame either, but requires it
 431                  * to be provided separately for the descriptor.
 432                  * rt2x00lib will cut the IV/EIV data out of all frames
 433                  * given to us by mac80211, but we must tell mac80211
 434                  * to generate the IV/EIV data.
 435                  */
 436                 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
 437         }
 438
 439         /*
 440          * SEC_CSR2 and SEC_CSR3 contain only single-bit fields to indicate
 441          * a particular key is valid. Because using the FIELD32()
 442          * defines directly will cause a lot of overhead we use
 443          * a calculation to determine the correct bit directly.
 444          */
 445         if (key->hw_key_idx < 32) {
 446                 mask = 1 << key->hw_key_idx;
 447
 448                 rt2x00usb_register_read(rt2x00dev, SEC_CSR2, &reg);
 449                 if (crypto->cmd == SET_KEY)
 450                         reg |= mask;
 451                 else if (crypto->cmd == DISABLE_KEY)
 452                         reg &= ~mask;
 453                 rt2x00usb_register_write(rt2x00dev, SEC_CSR2, reg);
 454         } else {
 455                 mask = 1 << (key->hw_key_idx - 32);
 456
 457                 rt2x00usb_register_read(rt2x00dev, SEC_CSR3, &reg);
 458                 if (crypto->cmd == SET_KEY)
 459                         reg |= mask;
 460                 else if (crypto->cmd == DISABLE_KEY)
 461                         reg &= ~mask;
 462                 rt2x00usb_register_write(rt2x00dev, SEC_CSR3, reg);
 463         }
 464
 465         return 0;
 466 }
 467
 468 static void rt73usb_config_filter(struct rt2x00_dev *rt2x00dev,
 469                                   const unsigned int filter_flags)
 470 {
 471         u32 reg;
 472
 473         /*
 474          * Start configuration steps.
 475          * Note that the version error will always be dropped
 476          * and broadcast frames will always be accepted since
 477          * there is no filter for it at this time.
 478          */
 479         rt2x00usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
 480         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_CRC,
 481                            !(filter_flags & FIF_FCSFAIL));
 482         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_PHYSICAL,
 483                            !(filter_flags & FIF_PLCPFAIL));
 484         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_CONTROL,
 485                            !(filter_flags & (FIF_CONTROL | FIF_PSPOLL)));
 486         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_NOT_TO_ME,
 487                            !(filter_flags & FIF_PROMISC_IN_BSS));
 488         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_TO_DS,
 489                            !(filter_flags & FIF_PROMISC_IN_BSS) &&
 490                            !rt2x00dev->intf_ap_count);
 491         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_VERSION_ERROR, 1);
 492         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_MULTICAST,
 493                            !(filter_flags & FIF_ALLMULTI));
 494         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_BROADCAST, 0);
 495         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_ACK_CTS,
 496                            !(filter_flags & FIF_CONTROL));
 497         rt2x00usb_register_write(rt2x00dev, TXRX_CSR0, reg);
 498 }
 499
 500 static void rt73usb_config_intf(struct rt2x00_dev *rt2x00dev,
 501                                 struct rt2x00_intf *intf,
 502                                 struct rt2x00intf_conf *conf,
 503                                 const unsigned int flags)
 504 {
 505         u32 reg;
 506
 507         if (flags & CONFIG_UPDATE_TYPE) {
 508                 /*
 509                  * Enable synchronisation.
 510                  */
 511                 rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
 512                 rt2x00_set_field32(&reg, TXRX_CSR9_TSF_SYNC, conf->sync);
 513                 rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
 514         }
 515
 516         if (flags & CONFIG_UPDATE_MAC) {
 517                 reg = le32_to_cpu(conf->mac[1]);
 518                 rt2x00_set_field32(&reg, MAC_CSR3_UNICAST_TO_ME_MASK, 0xff);
 519                 conf->mac[1] = cpu_to_le32(reg);
 520
 521                 rt2x00usb_register_multiwrite(rt2x00dev, MAC_CSR2,
 522                                             conf->mac, sizeof(conf->mac));
 523         }
 524
 525         if (flags & CONFIG_UPDATE_BSSID) {
 526                 reg = le32_to_cpu(conf->bssid[1]);
 527                 rt2x00_set_field32(&reg, MAC_CSR5_BSS_ID_MASK, 3);
 528                 conf->bssid[1] = cpu_to_le32(reg);
 529
 530                 rt2x00usb_register_multiwrite(rt2x00dev, MAC_CSR4,
 531                                             conf->bssid, sizeof(conf->bssid));
 532         }
 533 }
 534
 535 static void rt73usb_config_erp(struct rt2x00_dev *rt2x00dev,
 536                                struct rt2x00lib_erp *erp,
 537                                u32 changed)
 538 {
 539         u32 reg;
 540
 541         rt2x00usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
 542         rt2x00_set_field32(&reg, TXRX_CSR0_RX_ACK_TIMEOUT, 0x32);
 543         rt2x00_set_field32(&reg, TXRX_CSR0_TSF_OFFSET, IEEE80211_HEADER);
 544         rt2x00usb_register_write(rt2x00dev, TXRX_CSR0, reg);
 545
 546         if (changed & BSS_CHANGED_ERP_PREAMBLE) {
 547                 rt2x00usb_register_read(rt2x00dev, TXRX_CSR4, &reg);
 548                 rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_ENABLE, 1);
 549                 rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_PREAMBLE,
 550                                    !!erp->short_preamble);
 551                 rt2x00usb_register_write(rt2x00dev, TXRX_CSR4, reg);
 552         }
 553
 554         if (changed & BSS_CHANGED_BASIC_RATES)
 555                 rt2x00usb_register_write(rt2x00dev, TXRX_CSR5,
 556                                          erp->basic_rates);
 557
 558         if (changed & BSS_CHANGED_BEACON_INT) {
 559                 rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
 560                 rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_INTERVAL,
 561                                    erp->beacon_int * 16);
 562                 rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
 563         }
 564
 565         if (changed & BSS_CHANGED_ERP_SLOT) {
 566                 rt2x00usb_register_read(rt2x00dev, MAC_CSR9, &reg);
 567                 rt2x00_set_field32(&reg, MAC_CSR9_SLOT_TIME, erp->slot_time);
 568                 rt2x00usb_register_write(rt2x00dev, MAC_CSR9, reg);
 569
 570                 rt2x00usb_register_read(rt2x00dev, MAC_CSR8, &reg);
 571                 rt2x00_set_field32(&reg, MAC_CSR8_SIFS, erp->sifs);
 572                 rt2x00_set_field32(&reg, MAC_CSR8_SIFS_AFTER_RX_OFDM, 3);
 573                 rt2x00_set_field32(&reg, MAC_CSR8_EIFS, erp->eifs);
 574                 rt2x00usb_register_write(rt2x00dev, MAC_CSR8, reg);
 575         }
 576 }
 577
 578 static void rt73usb_config_antenna_5x(struct rt2x00_dev *rt2x00dev,
 579                                       struct antenna_setup *ant)
 580 {
 581         u8 r3;
 582         u8 r4;
 583         u8 r77;
 584         u8 temp;
 585
 586         rt73usb_bbp_read(rt2x00dev, 3, &r3);
 587         rt73usb_bbp_read(rt2x00dev, 4, &r4);
 588         rt73usb_bbp_read(rt2x00dev, 77, &r77);
 589
 590         rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, 0);
 591
 592         /*
 593          * Configure the RX antenna.
 594          */
 595         switch (ant->rx) {
 596         case ANTENNA_HW_DIVERSITY:
 597                 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 2);
 598                 temp = !test_bit(CAPABILITY_FRAME_TYPE, &rt2x00dev->cap_flags)
 599                        && (rt2x00dev->curr_band != IEEE80211_BAND_5GHZ);
 600                 rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, temp);
 601                 break;
 602         case ANTENNA_A:
 603                 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1);
 604                 rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 0);
 605                 if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ)
 606                         rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 0);
 607                 else
 608                         rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 3);
 609                 break;
 610         case ANTENNA_B:
 611         default:
 612                 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1);
 613                 rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 0);
 614                 if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ)
 615                         rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 3);
 616                 else
 617                         rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 0);
 618                 break;
 619         }
 620
 621         rt73usb_bbp_write(rt2x00dev, 77, r77);
 622         rt73usb_bbp_write(rt2x00dev, 3, r3);
 623         rt73usb_bbp_write(rt2x00dev, 4, r4);
 624 }
 625
 626 static void rt73usb_config_antenna_2x(struct rt2x00_dev *rt2x00dev,
 627                                       struct antenna_setup *ant)
 628 {
 629         u8 r3;
 630         u8 r4;
 631         u8 r77;
 632
 633         rt73usb_bbp_read(rt2x00dev, 3, &r3);
 634         rt73usb_bbp_read(rt2x00dev, 4, &r4);
 635         rt73usb_bbp_read(rt2x00dev, 77, &r77);
 636
 637         rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, 0);
 638         rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END,
 639                           !test_bit(CAPABILITY_FRAME_TYPE, &rt2x00dev->cap_flags));
 640
 641         /*
 642          * Configure the RX antenna.
 643          */
 644         switch (ant->rx) {
 645         case ANTENNA_HW_DIVERSITY:
 646                 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 2);
 647                 break;
 648         case ANTENNA_A:
 649                 rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 3);
 650                 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1);
 651                 break;
 652         case ANTENNA_B:
 653         default:
 654                 rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 0);
 655                 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1);
 656                 break;
 657         }
 658
 659         rt73usb_bbp_write(rt2x00dev, 77, r77);
 660         rt73usb_bbp_write(rt2x00dev, 3, r3);
 661         rt73usb_bbp_write(rt2x00dev, 4, r4);
 662 }
 663
 664 struct antenna_sel {
 665         u8 word;
 666         /*
 667          * value[0] -> non-LNA
 668          * value[1] -> LNA
 669          */
 670         u8 value[2];
 671 };
 672
 673 static const struct antenna_sel antenna_sel_a[] = {
 674         { 96,  { 0x58, 0x78 } },
 675         { 104, { 0x38, 0x48 } },
 676         { 75,  { 0xfe, 0x80 } },
 677         { 86,  { 0xfe, 0x80 } },
 678         { 88,  { 0xfe, 0x80 } },
 679         { 35,  { 0x60, 0x60 } },
 680         { 97,  { 0x58, 0x58 } },
 681         { 98,  { 0x58, 0x58 } },
 682 };
 683
 684 static const struct antenna_sel antenna_sel_bg[] = {
 685         { 96,  { 0x48, 0x68 } },
 686         { 104, { 0x2c, 0x3c } },
 687         { 75,  { 0xfe, 0x80 } },
 688         { 86,  { 0xfe, 0x80 } },
 689         { 88,  { 0xfe, 0x80 } },
 690         { 35,  { 0x50, 0x50 } },
 691         { 97,  { 0x48, 0x48 } },
 692         { 98,  { 0x48, 0x48 } },
 693 };
 694
 695 static void rt73usb_config_ant(struct rt2x00_dev *rt2x00dev,
 696                                struct antenna_setup *ant)
 697 {
 698         const struct antenna_sel *sel;
 699         unsigned int lna;
 700         unsigned int i;
 701         u32 reg;
 702
 703         /*
 704          * We should never come here because rt2x00lib is supposed
 705          * to catch this and send us the correct antenna explicitely.
 706          */
 707         BUG_ON(ant->rx == ANTENNA_SW_DIVERSITY ||
 708                ant->tx == ANTENNA_SW_DIVERSITY);
 709
 710         if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ) {
 711                 sel = antenna_sel_a;
 712                 lna = test_bit(CAPABILITY_EXTERNAL_LNA_A, &rt2x00dev->cap_flags);
 713         } else {
 714                 sel = antenna_sel_bg;
 715                 lna = test_bit(CAPABILITY_EXTERNAL_LNA_BG, &rt2x00dev->cap_flags);
 716         }
 717
 718         for (i = 0; i < ARRAY_SIZE(antenna_sel_a); i++)
 719                 rt73usb_bbp_write(rt2x00dev, sel[i].word, sel[i].value[lna]);
 720
 721         rt2x00usb_register_read(rt2x00dev, PHY_CSR0, &reg);
 722
 723         rt2x00_set_field32(&reg, PHY_CSR0_PA_PE_BG,
 724                            (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ));
 725         rt2x00_set_field32(&reg, PHY_CSR0_PA_PE_A,
 726                            (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ));
 727
 728         rt2x00usb_register_write(rt2x00dev, PHY_CSR0, reg);
 729
 730         if (rt2x00_rf(rt2x00dev, RF5226) || rt2x00_rf(rt2x00dev, RF5225))
 731                 rt73usb_config_antenna_5x(rt2x00dev, ant);
 732         else if (rt2x00_rf(rt2x00dev, RF2528) || rt2x00_rf(rt2x00dev, RF2527))
 733                 rt73usb_config_antenna_2x(rt2x00dev, ant);
 734 }
 735
 736 static void rt73usb_config_lna_gain(struct rt2x00_dev *rt2x00dev,
 737                                     struct rt2x00lib_conf *libconf)
 738 {
 739         u16 eeprom;
 740         short lna_gain = 0;
 741
 742         if (libconf->conf->channel->band == IEEE80211_BAND_2GHZ) {
 743                 if (test_bit(CAPABILITY_EXTERNAL_LNA_BG, &rt2x00dev->cap_flags))
 744                         lna_gain += 14;
 745
 746                 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_BG, &eeprom);
 747                 lna_gain -= rt2x00_get_field16(eeprom, EEPROM_RSSI_OFFSET_BG_1);
 748         } else {
 749                 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_A, &eeprom);
 750                 lna_gain -= rt2x00_get_field16(eeprom, EEPROM_RSSI_OFFSET_A_1);
 751         }
 752
 753         rt2x00dev->lna_gain = lna_gain;
 754 }
 755
 756 static void rt73usb_config_channel(struct rt2x00_dev *rt2x00dev,
 757                                    struct rf_channel *rf, const int txpower)
 758 {
 759         u8 r3;
 760         u8 r94;
 761         u8 smart;
 762
 763         rt2x00_set_field32(&rf->rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
 764         rt2x00_set_field32(&rf->rf4, RF4_FREQ_OFFSET, rt2x00dev->freq_offset);
 765
 766         smart = !(rt2x00_rf(rt2x00dev, RF5225) || rt2x00_rf(rt2x00dev, RF2527));
 767
 768         rt73usb_bbp_read(rt2x00dev, 3, &r3);
 769         rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, smart);
 770         rt73usb_bbp_write(rt2x00dev, 3, r3);
 771
 772         r94 = 6;
 773         if (txpower > MAX_TXPOWER && txpower <= (MAX_TXPOWER + r94))
 774                 r94 += txpower - MAX_TXPOWER;
 775         else if (txpower < MIN_TXPOWER && txpower >= (MIN_TXPOWER - r94))
 776                 r94 += txpower;
 777         rt73usb_bbp_write(rt2x00dev, 94, r94);
 778
 779         rt73usb_rf_write(rt2x00dev, 1, rf->rf1);
 780         rt73usb_rf_write(rt2x00dev, 2, rf->rf2);
 781         rt73usb_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
 782         rt73usb_rf_write(rt2x00dev, 4, rf->rf4);
 783
 784         rt73usb_rf_write(rt2x00dev, 1, rf->rf1);
 785         rt73usb_rf_write(rt2x00dev, 2, rf->rf2);
 786         rt73usb_rf_write(rt2x00dev, 3, rf->rf3 | 0x00000004);
 787         rt73usb_rf_write(rt2x00dev, 4, rf->rf4);
 788
 789         rt73usb_rf_write(rt2x00dev, 1, rf->rf1);
 790         rt73usb_rf_write(rt2x00dev, 2, rf->rf2);
 791         rt73usb_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
 792         rt73usb_rf_write(rt2x00dev, 4, rf->rf4);
 793
 794         udelay(10);
 795 }
 796
 797 static void rt73usb_config_txpower(struct rt2x00_dev *rt2x00dev,
 798                                    const int txpower)
 799 {
 800         struct rf_channel rf;
 801
 802         rt2x00_rf_read(rt2x00dev, 1, &rf.rf1);
 803         rt2x00_rf_read(rt2x00dev, 2, &rf.rf2);
 804         rt2x00_rf_read(rt2x00dev, 3, &rf.rf3);
 805         rt2x00_rf_read(rt2x00dev, 4, &rf.rf4);
 806
 807         rt73usb_config_channel(rt2x00dev, &rf, txpower);
 808 }
 809
 810 static void rt73usb_config_retry_limit(struct rt2x00_dev *rt2x00dev,
 811                                        struct rt2x00lib_conf *libconf)
 812 {
 813         u32 reg;
 814
 815         rt2x00usb_register_read(rt2x00dev, TXRX_CSR4, &reg);
 816         rt2x00_set_field32(&reg, TXRX_CSR4_OFDM_TX_RATE_DOWN, 1);
 817         rt2x00_set_field32(&reg, TXRX_CSR4_OFDM_TX_RATE_STEP, 0);
 818         rt2x00_set_field32(&reg, TXRX_CSR4_OFDM_TX_FALLBACK_CCK, 0);
 819         rt2x00_set_field32(&reg, TXRX_CSR4_LONG_RETRY_LIMIT,
 820                            libconf->conf->long_frame_max_tx_count);
 821         rt2x00_set_field32(&reg, TXRX_CSR4_SHORT_RETRY_LIMIT,
 822                            libconf->conf->short_frame_max_tx_count);
 823         rt2x00usb_register_write(rt2x00dev, TXRX_CSR4, reg);
 824 }
 825
 826 static void rt73usb_config_ps(struct rt2x00_dev *rt2x00dev,
 827                                 struct rt2x00lib_conf *libconf)
 828 {
 829         enum dev_state state =
 830             (libconf->conf->flags & IEEE80211_CONF_PS) ?
 831                 STATE_SLEEP : STATE_AWAKE;
 832         u32 reg;
 833
 834         if (state == STATE_SLEEP) {
 835                 rt2x00usb_register_read(rt2x00dev, MAC_CSR11, &reg);
 836                 rt2x00_set_field32(&reg, MAC_CSR11_DELAY_AFTER_TBCN,
 837                                    rt2x00dev->beacon_int - 10);
 838                 rt2x00_set_field32(&reg, MAC_CSR11_TBCN_BEFORE_WAKEUP,
 839                                    libconf->conf->listen_interval - 1);
 840                 rt2x00_set_field32(&reg, MAC_CSR11_WAKEUP_LATENCY, 5);
 841
 842                 /* We must first disable autowake before it can be enabled */
 843                 rt2x00_set_field32(&reg, MAC_CSR11_AUTOWAKE, 0);
 844                 rt2x00usb_register_write(rt2x00dev, MAC_CSR11, reg);
 845
 846                 rt2x00_set_field32(&reg, MAC_CSR11_AUTOWAKE, 1);
 847                 rt2x00usb_register_write(rt2x00dev, MAC_CSR11, reg);
 848
 849                 rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0,
 850                                             USB_MODE_SLEEP, REGISTER_TIMEOUT);
 851         } else {
 852                 rt2x00usb_register_read(rt2x00dev, MAC_CSR11, &reg);
 853                 rt2x00_set_field32(&reg, MAC_CSR11_DELAY_AFTER_TBCN, 0);
 854                 rt2x00_set_field32(&reg, MAC_CSR11_TBCN_BEFORE_WAKEUP, 0);
 855                 rt2x00_set_field32(&reg, MAC_CSR11_AUTOWAKE, 0);
 856                 rt2x00_set_field32(&reg, MAC_CSR11_WAKEUP_LATENCY, 0);
 857                 rt2x00usb_register_write(rt2x00dev, MAC_CSR11, reg);
 858
 859                 rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0,
 860                                             USB_MODE_WAKEUP, REGISTER_TIMEOUT);
 861         }
 862 }
 863
 864 static void rt73usb_config(struct rt2x00_dev *rt2x00dev,
 865                            struct rt2x00lib_conf *libconf,
 866                            const unsigned int flags)
 867 {
 868         /* Always recalculate LNA gain before changing configuration */
 869         rt73usb_config_lna_gain(rt2x00dev, libconf);
 870
 871         if (flags & IEEE80211_CONF_CHANGE_CHANNEL)
 872                 rt73usb_config_channel(rt2x00dev, &libconf->rf,
 873                                        libconf->conf->power_level);
 874         if ((flags & IEEE80211_CONF_CHANGE_POWER) &&
 875             !(flags & IEEE80211_CONF_CHANGE_CHANNEL))
 876                 rt73usb_config_txpower(rt2x00dev, libconf->conf->power_level);
 877         if (flags & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
 878                 rt73usb_config_retry_limit(rt2x00dev, libconf);
 879         if (flags & IEEE80211_CONF_CHANGE_PS)
 880                 rt73usb_config_ps(rt2x00dev, libconf);
 881 }
 882
 883 /*
 884  * Link tuning
 885  */
 886 static void rt73usb_link_stats(struct rt2x00_dev *rt2x00dev,
 887                                struct link_qual *qual)
 888 {
 889         u32 reg;
 890
 891         /*
 892          * Update FCS error count from register.
 893          */
 894         rt2x00usb_register_read(rt2x00dev, STA_CSR0, &reg);
 895         qual->rx_failed = rt2x00_get_field32(reg, STA_CSR0_FCS_ERROR);
 896
 897         /*
 898          * Update False CCA count from register.
 899          */
 900         rt2x00usb_register_read(rt2x00dev, STA_CSR1, &reg);
 901         qual->false_cca = rt2x00_get_field32(reg, STA_CSR1_FALSE_CCA_ERROR);
 902 }
 903
 904 static inline void rt73usb_set_vgc(struct rt2x00_dev *rt2x00dev,
 905                                    struct link_qual *qual, u8 vgc_level)
 906 {
 907         if (qual->vgc_level != vgc_level) {
 908                 rt73usb_bbp_write(rt2x00dev, 17, vgc_level);
 909                 qual->vgc_level = vgc_level;
 910                 qual->vgc_level_reg = vgc_level;
 911         }
 912 }
 913
 914 static void rt73usb_reset_tuner(struct rt2x00_dev *rt2x00dev,
 915                                 struct link_qual *qual)
 916 {
 917         rt73usb_set_vgc(rt2x00dev, qual, 0x20);
 918 }
 919
 920 static void rt73usb_link_tuner(struct rt2x00_dev *rt2x00dev,
 921                                struct link_qual *qual, const u32 count)
 922 {
 923         u8 up_bound;
 924         u8 low_bound;
 925
 926         /*
 927          * Determine r17 bounds.
 928          */
 929         if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ) {
 930                 low_bound = 0x28;
 931                 up_bound = 0x48;
 932
 933                 if (test_bit(CAPABILITY_EXTERNAL_LNA_A, &rt2x00dev->cap_flags)) {
 934                         low_bound += 0x10;
 935                         up_bound += 0x10;
 936                 }
 937         } else {
 938                 if (qual->rssi > -82) {
 939                         low_bound = 0x1c;
 940                         up_bound = 0x40;
 941                 } else if (qual->rssi > -84) {
 942                         low_bound = 0x1c;
 943                         up_bound = 0x20;
 944                 } else {
 945                         low_bound = 0x1c;
 946                         up_bound = 0x1c;
 947                 }
 948
 949                 if (test_bit(CAPABILITY_EXTERNAL_LNA_BG, &rt2x00dev->cap_flags)) {
 950                         low_bound += 0x14;
 951                         up_bound += 0x10;
 952                 }
 953         }
 954
 955         /*
 956          * If we are not associated, we should go straight to the
 957          * dynamic CCA tuning.
 958          */
 959         if (!rt2x00dev->intf_associated)
 960                 goto dynamic_cca_tune;
 961
 962         /*
 963          * Special big-R17 for very short distance
 964          */
 965         if (qual->rssi > -35) {
 966                 rt73usb_set_vgc(rt2x00dev, qual, 0x60);
 967                 return;
 968         }
 969
 970         /*
 971          * Special big-R17 for short distance
 972          */
 973         if (qual->rssi >= -58) {
 974                 rt73usb_set_vgc(rt2x00dev, qual, up_bound);
 975                 return;
 976         }
 977
 978         /*
 979          * Special big-R17 for middle-short distance
 980          */
 981         if (qual->rssi >= -66) {
 982                 rt73usb_set_vgc(rt2x00dev, qual, low_bound + 0x10);
 983                 return;
 984         }
 985
 986         /*
 987          * Special mid-R17 for middle distance
 988          */
 989         if (qual->rssi >= -74) {
 990                 rt73usb_set_vgc(rt2x00dev, qual, low_bound + 0x08);
 991                 return;
 992         }
 993
 994         /*
 995          * Special case: Change up_bound based on the rssi.
 996          * Lower up_bound when rssi is weaker then -74 dBm.
 997          */
 998         up_bound -= 2 * (-74 - qual->rssi);
 999         if (low_bound > up_bound)
1000                 up_bound = low_bound;
1001
1002         if (qual->vgc_level > up_bound) {
1003                 rt73usb_set_vgc(rt2x00dev, qual, up_bound);
1004                 return;
1005         }
1006
1007 dynamic_cca_tune:
1008
1009         /*
1010          * r17 does not yet exceed upper limit, continue and base
1011          * the r17 tuning on the false CCA count.
1012          */
1013         if ((qual->false_cca > 512) && (qual->vgc_level < up_bound))
1014                 rt73usb_set_vgc(rt2x00dev, qual,
1015                                 min_t(u8, qual->vgc_level + 4, up_bound));
1016         else if ((qual->false_cca < 100) && (qual->vgc_level > low_bound))
1017                 rt73usb_set_vgc(rt2x00dev, qual,
1018                                 max_t(u8, qual->vgc_level - 4, low_bound));
1019 }
1020
1021 /*
1022  * Queue handlers.
1023  */
1024 static void rt73usb_start_queue(struct data_queue *queue)
1025 {
1026         struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
1027         u32 reg;
1028
1029         switch (queue->qid) {
1030         case QID_RX:
1031                 rt2x00usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
1032                 rt2x00_set_field32(&reg, TXRX_CSR0_DISABLE_RX, 0);
1033                 rt2x00usb_register_write(rt2x00dev, TXRX_CSR0, reg);
1034                 break;
1035         case QID_BEACON:
1036                 rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
1037                 rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 1);
1038                 rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE, 1);
1039                 rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 1);
1040                 rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
1041                 break;
1042         default:
1043                 break;
1044         }
1045 }
1046
1047 static void rt73usb_stop_queue(struct data_queue *queue)
1048 {
1049         struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
1050         u32 reg;
1051
1052         switch (queue->qid) {
1053         case QID_RX:
1054                 rt2x00usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
1055                 rt2x00_set_field32(&reg, TXRX_CSR0_DISABLE_RX, 1);
1056                 rt2x00usb_register_write(rt2x00dev, TXRX_CSR0, reg);
1057                 break;
1058         case QID_BEACON:
1059                 rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
1060                 rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 0);
1061                 rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE, 0);
1062                 rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 0);
1063                 rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
1064                 break;
1065         default:
1066                 break;
1067         }
1068 }
1069
1070 /*
1071  * Firmware functions
1072  */
1073 static char *rt73usb_get_firmware_name(struct rt2x00_dev *rt2x00dev)
1074 {
1075         return FIRMWARE_RT2571;
1076 }
1077
1078 static int rt73usb_check_firmware(struct rt2x00_dev *rt2x00dev,
1079                                   const u8 *data, const size_t len)
1080 {
1081         u16 fw_crc;
1082         u16 crc;
1083
1084         /*
1085          * Only support 2kb firmware files.
1086          */
1087         if (len != 2048)
1088                 return FW_BAD_LENGTH;
1089
1090         /*
1091          * The last 2 bytes in the firmware array are the crc checksum itself,
1092          * this means that we should never pass those 2 bytes to the crc
1093          * algorithm.
1094          */
1095         fw_crc = (data[len - 2] << 8 | data[len - 1]);
1096
1097         /*
1098          * Use the crc itu-t algorithm.
1099          */
1100         crc = crc_itu_t(0, data, len - 2);
1101         crc = crc_itu_t_byte(crc, 0);
1102         crc = crc_itu_t_byte(crc, 0);
1103
1104         return (fw_crc == crc) ? FW_OK : FW_BAD_CRC;
1105 }
1106
1107 static int rt73usb_load_firmware(struct rt2x00_dev *rt2x00dev,
1108                                  const u8 *data, const size_t len)
1109 {
1110         unsigned int i;
1111         int status;
1112         u32 reg;
1113
1114         /*
1115          * Wait for stable hardware.
1116          */
1117         for (i = 0; i < 100; i++) {
1118                 rt2x00usb_register_read(rt2x00dev, MAC_CSR0, &reg);
1119                 if (reg)
1120                         break;
1121                 msleep(1);
1122         }
1123
1124         if (!reg) {
1125                 ERROR(rt2x00dev, "Unstable hardware.\n");
1126                 return -EBUSY;
1127         }
1128
1129         /*
1130          * Write firmware to device.
1131          */
1132         rt2x00usb_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE, data, len);
1133
1134         /*
1135          * Send firmware request to device to load firmware,
1136          * we need to specify a long timeout time.
1137          */
1138         status = rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE,
1139                                              0, USB_MODE_FIRMWARE,
1140                                              REGISTER_TIMEOUT_FIRMWARE);
1141         if (status < 0) {
1142                 ERROR(rt2x00dev, "Failed to write Firmware to device.\n");
1143                 return status;
1144         }
1145
1146         return 0;
1147 }
1148
1149 /*
1150  * Initialization functions.
1151  */
1152 static int rt73usb_init_registers(struct rt2x00_dev *rt2x00dev)
1153 {
1154         u32 reg;
1155
1156         rt2x00usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
1157         rt2x00_set_field32(&reg, TXRX_CSR0_AUTO_TX_SEQ, 1);
1158         rt2x00_set_field32(&reg, TXRX_CSR0_DISABLE_RX, 0);
1159         rt2x00_set_field32(&reg, TXRX_CSR0_TX_WITHOUT_WAITING, 0);
1160         rt2x00usb_register_write(rt2x00dev, TXRX_CSR0, reg);
1161
1162         rt2x00usb_register_read(rt2x00dev, TXRX_CSR1, &reg);
1163         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID0, 47); /* CCK Signal */
1164         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID0_VALID, 1);
1165         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID1, 30); /* Rssi */
1166         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID1_VALID, 1);
1167         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID2, 42); /* OFDM Rate */
1168         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID2_VALID, 1);
1169         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID3, 30); /* Rssi */
1170         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID3_VALID, 1);
1171         rt2x00usb_register_write(rt2x00dev, TXRX_CSR1, reg);
1172
1173         /*
1174          * CCK TXD BBP registers
1175          */
1176         rt2x00usb_register_read(rt2x00dev, TXRX_CSR2, &reg);
1177         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID0, 13);
1178         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID0_VALID, 1);
1179         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID1, 12);
1180         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID1_VALID, 1);
1181         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID2, 11);
1182         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID2_VALID, 1);
1183         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID3, 10);
1184         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID3_VALID, 1);
1185         rt2x00usb_register_write(rt2x00dev, TXRX_CSR2, reg);
1186
1187         /*
1188          * OFDM TXD BBP registers
1189          */
1190         rt2x00usb_register_read(rt2x00dev, TXRX_CSR3, &reg);
1191         rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID0, 7);
1192         rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID0_VALID, 1);
1193         rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID1, 6);
1194         rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID1_VALID, 1);
1195         rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID2, 5);
1196         rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID2_VALID, 1);
1197         rt2x00usb_register_write(rt2x00dev, TXRX_CSR3, reg);
1198
1199         rt2x00usb_register_read(rt2x00dev, TXRX_CSR7, &reg);
1200         rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_6MBS, 59);
1201         rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_9MBS, 53);
1202         rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_12MBS, 49);
1203         rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_18MBS, 46);
1204         rt2x00usb_register_write(rt2x00dev, TXRX_CSR7, reg);
1205
1206         rt2x00usb_register_read(rt2x00dev, TXRX_CSR8, &reg);
1207         rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_24MBS, 44);
1208         rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_36MBS, 42);
1209         rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_48MBS, 42);
1210         rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_54MBS, 42);
1211         rt2x00usb_register_write(rt2x00dev, TXRX_CSR8, reg);
1212
1213         rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
1214         rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_INTERVAL, 0);
1215         rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 0);
1216         rt2x00_set_field32(&reg, TXRX_CSR9_TSF_SYNC, 0);
1217         rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE, 0);
1218         rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 0);
1219         rt2x00_set_field32(&reg, TXRX_CSR9_TIMESTAMP_COMPENSATE, 0);
1220         rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
1221
1222         rt2x00usb_register_write(rt2x00dev, TXRX_CSR15, 0x0000000f);
1223
1224         rt2x00usb_register_read(rt2x00dev, MAC_CSR6, &reg);
1225         rt2x00_set_field32(&reg, MAC_CSR6_MAX_FRAME_UNIT, 0xfff);
1226         rt2x00usb_register_write(rt2x00dev, MAC_CSR6, reg);
1227
1228         rt2x00usb_register_write(rt2x00dev, MAC_CSR10, 0x00000718);
1229
1230         if (rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_AWAKE))
1231                 return -EBUSY;
1232
1233         rt2x00usb_register_write(rt2x00dev, MAC_CSR13, 0x00007f00);
1234
1235         /*
1236          * Invalidate all Shared Keys (SEC_CSR0),
1237          * and clear the Shared key Cipher algorithms (SEC_CSR1 & SEC_CSR5)
1238          */
1239         rt2x00usb_register_write(rt2x00dev, SEC_CSR0, 0x00000000);
1240         rt2x00usb_register_write(rt2x00dev, SEC_CSR1, 0x00000000);
1241         rt2x00usb_register_write(rt2x00dev, SEC_CSR5, 0x00000000);
1242
1243         reg = 0x000023b0;
1244         if (rt2x00_rf(rt2x00dev, RF5225) || rt2x00_rf(rt2x00dev, RF2527))
1245                 rt2x00_set_field32(&reg, PHY_CSR1_RF_RPI, 1);
1246         rt2x00usb_register_write(rt2x00dev, PHY_CSR1, reg);
1247
1248         rt2x00usb_register_write(rt2x00dev, PHY_CSR5, 0x00040a06);
1249         rt2x00usb_register_write(rt2x00dev, PHY_CSR6, 0x00080606);
1250         rt2x00usb_register_write(rt2x00dev, PHY_CSR7, 0x00000408);
1251
1252         rt2x00usb_register_read(rt2x00dev, MAC_CSR9, &reg);
1253         rt2x00_set_field32(&reg, MAC_CSR9_CW_SELECT, 0);
1254         rt2x00usb_register_write(rt2x00dev, MAC_CSR9, reg);
1255
1256         /*
1257          * Clear all beacons
1258          * For the Beacon base registers we only need to clear
1259          * the first byte since that byte contains the VALID and OWNER
1260          * bits which (when set to 0) will invalidate the entire beacon.
1261          */
1262         rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE0, 0);
1263         rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE1, 0);
1264         rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE2, 0);
1265         rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE3, 0);
1266
1267         /*
1268          * We must clear the error counters.
1269          * These registers are cleared on read,
1270          * so we may pass a useless variable to store the value.
1271          */
1272         rt2x00usb_register_read(rt2x00dev, STA_CSR0, &reg);
1273         rt2x00usb_register_read(rt2x00dev, STA_CSR1, &reg);
1274         rt2x00usb_register_read(rt2x00dev, STA_CSR2, &reg);
1275
1276         /*
1277          * Reset MAC and BBP registers.
1278          */
1279         rt2x00usb_register_read(rt2x00dev, MAC_CSR1, &reg);
1280         rt2x00_set_field32(&reg, MAC_CSR1_SOFT_RESET, 1);
1281         rt2x00_set_field32(&reg, MAC_CSR1_BBP_RESET, 1);
1282         rt2x00usb_register_write(rt2x00dev, MAC_CSR1, reg);
1283
1284         rt2x00usb_register_read(rt2x00dev, MAC_CSR1, &reg);
1285         rt2x00_set_field32(&reg, MAC_CSR1_SOFT_RESET, 0);
1286         rt2x00_set_field32(&reg, MAC_CSR1_BBP_RESET, 0);
1287         rt2x00usb_register_write(rt2x00dev, MAC_CSR1, reg);
1288
1289         rt2x00usb_register_read(rt2x00dev, MAC_CSR1, &reg);
1290         rt2x00_set_field32(&reg, MAC_CSR1_HOST_READY, 1);
1291         rt2x00usb_register_write(rt2x00dev, MAC_CSR1, reg);
1292
1293         return 0;
1294 }
1295
1296 static int rt73usb_wait_bbp_ready(struct rt2x00_dev *rt2x00dev)
1297 {
1298         unsigned int i;
1299         u8 value;
1300
1301         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
1302                 rt73usb_bbp_read(rt2x00dev, 0, &value);
1303                 if ((value != 0xff) && (value != 0x00))
1304                         return 0;
1305                 udelay(REGISTER_BUSY_DELAY);
1306         }
1307
1308         ERROR(rt2x00dev, "BBP register access failed, aborting.\n");
1309         return -EACCES;
1310 }
1311
1312 static int rt73usb_init_bbp(struct rt2x00_dev *rt2x00dev)
1313 {
1314         unsigned int i;
1315         u16 eeprom;
1316         u8 reg_id;
1317         u8 value;
1318
1319         if (unlikely(rt73usb_wait_bbp_ready(rt2x00dev)))
1320                 return -EACCES;
1321
1322         rt73usb_bbp_write(rt2x00dev, 3, 0x80);
1323         rt73usb_bbp_write(rt2x00dev, 15, 0x30);
1324         rt73usb_bbp_write(rt2x00dev, 21, 0xc8);
1325         rt73usb_bbp_write(rt2x00dev, 22, 0x38);
1326         rt73usb_bbp_write(rt2x00dev, 23, 0x06);
1327         rt73usb_bbp_write(rt2x00dev, 24, 0xfe);
1328         rt73usb_bbp_write(rt2x00dev, 25, 0x0a);
1329         rt73usb_bbp_write(rt2x00dev, 26, 0x0d);
1330         rt73usb_bbp_write(rt2x00dev, 32, 0x0b);
1331         rt73usb_bbp_write(rt2x00dev, 34, 0x12);
1332         rt73usb_bbp_write(rt2x00dev, 37, 0x07);
1333         rt73usb_bbp_write(rt2x00dev, 39, 0xf8);
1334         rt73usb_bbp_write(rt2x00dev, 41, 0x60);
1335         rt73usb_bbp_write(rt2x00dev, 53, 0x10);
1336         rt73usb_bbp_write(rt2x00dev, 54, 0x18);
1337         rt73usb_bbp_write(rt2x00dev, 60, 0x10);
1338         rt73usb_bbp_write(rt2x00dev, 61, 0x04);
1339         rt73usb_bbp_write(rt2x00dev, 62, 0x04);
1340         rt73usb_bbp_write(rt2x00dev, 75, 0xfe);
1341         rt73usb_bbp_write(rt2x00dev, 86, 0xfe);
1342         rt73usb_bbp_write(rt2x00dev, 88, 0xfe);
1343         rt73usb_bbp_write(rt2x00dev, 90, 0x0f);
1344         rt73usb_bbp_write(rt2x00dev, 99, 0x00);
1345         rt73usb_bbp_write(rt2x00dev, 102, 0x16);
1346         rt73usb_bbp_write(rt2x00dev, 107, 0x04);
1347
1348         for (i = 0; i < EEPROM_BBP_SIZE; i++) {
1349                 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
1350
1351                 if (eeprom != 0xffff && eeprom != 0x0000) {
1352                         reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
1353                         value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
1354                         rt73usb_bbp_write(rt2x00dev, reg_id, value);
1355                 }
1356         }
1357
1358         return 0;
1359 }
1360
1361 /*
1362  * Device state switch handlers.
1363  */
1364 static int rt73usb_enable_radio(struct rt2x00_dev *rt2x00dev)
1365 {
1366         /*
1367          * Initialize all registers.
1368          */
1369         if (unlikely(rt73usb_init_registers(rt2x00dev) ||
1370                      rt73usb_init_bbp(rt2x00dev)))
1371                 return -EIO;
1372
1373         return 0;
1374 }
1375
1376 static void rt73usb_disable_radio(struct rt2x00_dev *rt2x00dev)
1377 {
1378         rt2x00usb_register_write(rt2x00dev, MAC_CSR10, 0x00001818);
1379
1380         /*
1381          * Disable synchronisation.
1382          */
1383         rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, 0);
1384
1385         rt2x00usb_disable_radio(rt2x00dev);
1386 }
1387
1388 static int rt73usb_set_state(struct rt2x00_dev *rt2x00dev, enum dev_state state)
1389 {
1390         u32 reg, reg2;
1391         unsigned int i;
1392         char put_to_sleep;
1393
1394         put_to_sleep = (state != STATE_AWAKE);
1395
1396         rt2x00usb_register_read(rt2x00dev, MAC_CSR12, &reg);
1397         rt2x00_set_field32(&reg, MAC_CSR12_FORCE_WAKEUP, !put_to_sleep);
1398         rt2x00_set_field32(&reg, MAC_CSR12_PUT_TO_SLEEP, put_to_sleep);
1399         rt2x00usb_register_write(rt2x00dev, MAC_CSR12, reg);
1400
1401         /*
1402          * Device is not guaranteed to be in the requested state yet.
1403          * We must wait until the register indicates that the
1404          * device has entered the correct state.
1405          */
1406         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
1407                 rt2x00usb_register_read(rt2x00dev, MAC_CSR12, &reg2);
1408                 state = rt2x00_get_field32(reg2, MAC_CSR12_BBP_CURRENT_STATE);
1409                 if (state == !put_to_sleep)
1410                         return 0;
1411                 rt2x00usb_register_write(rt2x00dev, MAC_CSR12, reg);
1412                 msleep(10);
1413         }
1414
1415         return -EBUSY;
1416 }
1417
1418 static int rt73usb_set_device_state(struct rt2x00_dev *rt2x00dev,
1419                                     enum dev_state state)
1420 {
1421         int retval = 0;
1422
1423         switch (state) {
1424         case STATE_RADIO_ON:
1425                 retval = rt73usb_enable_radio(rt2x00dev);
1426                 break;
1427         case STATE_RADIO_OFF:
1428                 rt73usb_disable_radio(rt2x00dev);
1429                 break;
1430         case STATE_RADIO_IRQ_ON:
1431         case STATE_RADIO_IRQ_OFF:
1432                 /* No support, but no error either */
1433                 break;
1434         case STATE_DEEP_SLEEP:
1435         case STATE_SLEEP:
1436         case STATE_STANDBY:
1437         case STATE_AWAKE:
1438                 retval = rt73usb_set_state(rt2x00dev, state);
1439                 break;
1440         default:
1441                 retval = -ENOTSUPP;
1442                 break;
1443         }
1444
1445         if (unlikely(retval))
1446                 ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n",
1447                       state, retval);
1448
1449         return retval;
1450 }
1451
1452 /*
1453  * TX descriptor initialization
1454  */
1455 static void rt73usb_write_tx_desc(struct queue_entry *entry,
1456                                   struct txentry_desc *txdesc)
1457 {
1458         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
1459         __le32 *txd = (__le32 *) entry->skb->data;
1460         u32 word;
1461
1462         /*
1463          * Start writing the descriptor words.
1464          */
1465         rt2x00_desc_read(txd, 0, &word);
1466         rt2x00_set_field32(&word, TXD_W0_BURST,
1467                            test_bit(ENTRY_TXD_BURST, &txdesc->flags));
1468         rt2x00_set_field32(&word, TXD_W0_VALID, 1);
1469         rt2x00_set_field32(&word, TXD_W0_MORE_FRAG,
1470                            test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
1471         rt2x00_set_field32(&word, TXD_W0_ACK,
1472                            test_bit(ENTRY_TXD_ACK, &txdesc->flags));
1473         rt2x00_set_field32(&word, TXD_W0_TIMESTAMP,
1474                            test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
1475         rt2x00_set_field32(&word, TXD_W0_OFDM,
1476                            (txdesc->rate_mode == RATE_MODE_OFDM));
1477         rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->u.plcp.ifs);
1478         rt2x00_set_field32(&word, TXD_W0_RETRY_MODE,
1479                            test_bit(ENTRY_TXD_RETRY_MODE, &txdesc->flags));
1480         rt2x00_set_field32(&word, TXD_W0_TKIP_MIC,
1481                            test_bit(ENTRY_TXD_ENCRYPT_MMIC, &txdesc->flags));
1482         rt2x00_set_field32(&word, TXD_W0_KEY_TABLE,
1483                            test_bit(ENTRY_TXD_ENCRYPT_PAIRWISE, &txdesc->flags));
1484         rt2x00_set_field32(&word, TXD_W0_KEY_INDEX, txdesc->key_idx);
1485         rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, txdesc->length);
1486         rt2x00_set_field32(&word, TXD_W0_BURST2,
1487                            test_bit(ENTRY_TXD_BURST, &txdesc->flags));
1488         rt2x00_set_field32(&word, TXD_W0_CIPHER_ALG, txdesc->cipher);
1489         rt2x00_desc_write(txd, 0, word);
1490
1491         rt2x00_desc_read(txd, 1, &word);
1492         rt2x00_set_field32(&word, TXD_W1_HOST_Q_ID, entry->queue->qid);
1493         rt2x00_set_field32(&word, TXD_W1_AIFSN, entry->queue->aifs);
1494         rt2x00_set_field32(&word, TXD_W1_CWMIN, entry->queue->cw_min);
1495         rt2x00_set_field32(&word, TXD_W1_CWMAX, entry->queue->cw_max);
1496         rt2x00_set_field32(&word, TXD_W1_IV_OFFSET, txdesc->iv_offset);
1497         rt2x00_set_field32(&word, TXD_W1_HW_SEQUENCE,
1498                            test_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags));
1499         rt2x00_desc_write(txd, 1, word);
1500
1501         rt2x00_desc_read(txd, 2, &word);
1502         rt2x00_set_field32(&word, TXD_W2_PLCP_SIGNAL, txdesc->u.plcp.signal);
1503         rt2x00_set_field32(&word, TXD_W2_PLCP_SERVICE, txdesc->u.plcp.service);
1504         rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_LOW,
1505                            txdesc->u.plcp.length_low);
1506         rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_HIGH,
1507                            txdesc->u.plcp.length_high);
1508         rt2x00_desc_write(txd, 2, word);
1509
1510         if (test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags)) {
1511                 _rt2x00_desc_write(txd, 3, skbdesc->iv[0]);
1512                 _rt2x00_desc_write(txd, 4, skbdesc->iv[1]);
1513         }
1514
1515         rt2x00_desc_read(txd, 5, &word);
1516         rt2x00_set_field32(&word, TXD_W5_TX_POWER,
1517                            TXPOWER_TO_DEV(entry->queue->rt2x00dev->tx_power));
1518         rt2x00_set_field32(&word, TXD_W5_WAITING_DMA_DONE_INT, 1);
1519         rt2x00_desc_write(txd, 5, word);
1520
1521         /*
1522          * Register descriptor details in skb frame descriptor.
1523          */
1524         skbdesc->flags |= SKBDESC_DESC_IN_SKB;
1525         skbdesc->desc = txd;
1526         skbdesc->desc_len = TXD_DESC_SIZE;
1527 }
1528
1529 /*
1530  * TX data initialization
1531  */
1532 static void rt73usb_write_beacon(struct queue_entry *entry,
1533                                  struct txentry_desc *txdesc)
1534 {
1535         struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
1536         unsigned int beacon_base;
1537         unsigned int padding_len;
1538         u32 orig_reg, reg;
1539
1540         /*
1541          * Disable beaconing while we are reloading the beacon data,
1542          * otherwise we might be sending out invalid data.
1543          */
1544         rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
1545         orig_reg = reg;
1546         rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 0);
1547         rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
1548
1549         /*
1550          * Add space for the descriptor in front of the skb.
1551          */
1552         skb_push(entry->skb, TXD_DESC_SIZE);
1553         memset(entry->skb->data, 0, TXD_DESC_SIZE);
1554
1555         /*
1556          * Write the TX descriptor for the beacon.
1557          */
1558         rt73usb_write_tx_desc(entry, txdesc);
1559
1560         /*
1561          * Dump beacon to userspace through debugfs.
1562          */
1563         rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_BEACON, entry->skb);
1564
1565         /*
1566          * Write entire beacon with descriptor and padding to register.
1567          */
1568         padding_len = roundup(entry->skb->len, 4) - entry->skb->len;
1569         if (padding_len && skb_pad(entry->skb, padding_len)) {
1570                 ERROR(rt2x00dev, "Failure padding beacon, aborting\n");
1571                 /* skb freed by skb_pad() on failure */
1572                 entry->skb = NULL;
1573                 rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, orig_reg);
1574                 return;
1575         }
1576
1577         beacon_base = HW_BEACON_OFFSET(entry->entry_idx);
1578         rt2x00usb_register_multiwrite(rt2x00dev, beacon_base, entry->skb->data,
1579                                       entry->skb->len + padding_len);
1580
1581         /*
1582          * Enable beaconing again.
1583          *
1584          * For Wi-Fi faily generated beacons between participating stations.
1585          * Set TBTT phase adaptive adjustment step to 8us (default 16us)
1586          */
1587         rt2x00usb_register_write(rt2x00dev, TXRX_CSR10, 0x00001008);
1588
1589         rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 1);
1590         rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
1591
1592         /*
1593          * Clean up the beacon skb.
1594          */
1595         dev_kfree_skb(entry->skb);
1596         entry->skb = NULL;
1597 }
1598
1599 static void rt73usb_clear_beacon(struct queue_entry *entry)
1600 {
1601         struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
1602         unsigned int beacon_base;
1603         u32 reg;
1604
1605         /*
1606          * Disable beaconing while we are reloading the beacon data,
1607          * otherwise we might be sending out invalid data.
1608          */
1609         rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
1610         rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 0);
1611         rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
1612
1613         /*
1614          * Clear beacon.
1615          */
1616         beacon_base = HW_BEACON_OFFSET(entry->entry_idx);
1617         rt2x00usb_register_write(rt2x00dev, beacon_base, 0);
1618
1619         /*
1620          * Enable beaconing again.
1621          */
1622         rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 1);
1623         rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
1624 }
1625
1626 static int rt73usb_get_tx_data_len(struct queue_entry *entry)
1627 {
1628         int length;
1629
1630         /*
1631          * The length _must_ be a multiple of 4,
1632          * but it must _not_ be a multiple of the USB packet size.
1633          */
1634         length = roundup(entry->skb->len, 4);
1635         length += (4 * !(length % entry->queue->usb_maxpacket));
1636
1637         return length;
1638 }
1639
1640 /*
1641  * RX control handlers
1642  */
1643 static int rt73usb_agc_to_rssi(struct rt2x00_dev *rt2x00dev, int rxd_w1)
1644 {
1645         u8 offset = rt2x00dev->lna_gain;
1646         u8 lna;
1647
1648         lna = rt2x00_get_field32(rxd_w1, RXD_W1_RSSI_LNA);
1649         switch (lna) {
1650         case 3:
1651                 offset += 90;
1652                 break;
1653         case 2:
1654                 offset += 74;
1655                 break;
1656         case 1:
1657                 offset += 64;
1658                 break;
1659         default:
1660                 return 0;
1661         }
1662
1663         if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ) {
1664                 if (test_bit(CAPABILITY_EXTERNAL_LNA_A, &rt2x00dev->cap_flags)) {
1665                         if (lna == 3 || lna == 2)
1666                                 offset += 10;
1667                 } else {
1668                         if (lna == 3)
1669                                 offset += 6;
1670                         else if (lna == 2)
1671                                 offset += 8;
1672                 }
1673         }
1674
1675         return rt2x00_get_field32(rxd_w1, RXD_W1_RSSI_AGC) * 2 - offset;
1676 }
1677
1678 static void rt73usb_fill_rxdone(struct queue_entry *entry,
1679                                 struct rxdone_entry_desc *rxdesc)
1680 {
1681         struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
1682         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
1683         __le32 *rxd = (__le32 *)entry->skb->data;
1684         u32 word0;
1685         u32 word1;
1686
1687         /*
1688          * Copy descriptor to the skbdesc->desc buffer, making it safe from moving of
1689          * frame data in rt2x00usb.
1690          */
1691         memcpy(skbdesc->desc, rxd, skbdesc->desc_len);
1692         rxd = (__le32 *)skbdesc->desc;
1693
1694         /*
1695          * It is now safe to read the descriptor on all architectures.
1696          */
1697         rt2x00_desc_read(rxd, 0, &word0);
1698         rt2x00_desc_read(rxd, 1, &word1);
1699
1700         if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR))
1701                 rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
1702
1703         rxdesc->cipher = rt2x00_get_field32(word0, RXD_W0_CIPHER_ALG);
1704         rxdesc->cipher_status = rt2x00_get_field32(word0, RXD_W0_CIPHER_ERROR);
1705
1706         if (rxdesc->cipher != CIPHER_NONE) {
1707                 _rt2x00_desc_read(rxd, 2, &rxdesc->iv[0]);
1708                 _rt2x00_desc_read(rxd, 3, &rxdesc->iv[1]);
1709                 rxdesc->dev_flags |= RXDONE_CRYPTO_IV;
1710
1711                 _rt2x00_desc_read(rxd, 4, &rxdesc->icv);
1712                 rxdesc->dev_flags |= RXDONE_CRYPTO_ICV;
1713
1714                 /*
1715                  * Hardware has stripped IV/EIV data from 802.11 frame during
1716                  * decryption. It has provided the data separately but rt2x00lib
1717                  * should decide if it should be reinserted.
1718                  */
1719                 rxdesc->flags |= RX_FLAG_IV_STRIPPED;
1720
1721                 /*
1722                  * The hardware has already checked the Michael Mic and has
1723                  * stripped it from the frame. Signal this to mac80211.
1724                  */
1725                 rxdesc->flags |= RX_FLAG_MMIC_STRIPPED;
1726
1727                 if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS)
1728                         rxdesc->flags |= RX_FLAG_DECRYPTED;
1729                 else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC)
1730                         rxdesc->flags |= RX_FLAG_MMIC_ERROR;
1731         }
1732
1733         /*
1734          * Obtain the status about this packet.
1735          * When frame was received with an OFDM bitrate,
1736          * the signal is the PLCP value. If it was received with
1737          * a CCK bitrate the signal is the rate in 100kbit/s.
1738          */
1739         rxdesc->signal = rt2x00_get_field32(word1, RXD_W1_SIGNAL);
1740         rxdesc->rssi = rt73usb_agc_to_rssi(rt2x00dev, word1);
1741         rxdesc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT);
1742
1743         if (rt2x00_get_field32(word0, RXD_W0_OFDM))
1744                 rxdesc->dev_flags |= RXDONE_SIGNAL_PLCP;
1745         else
1746                 rxdesc->dev_flags |= RXDONE_SIGNAL_BITRATE;
1747         if (rt2x00_get_field32(word0, RXD_W0_MY_BSS))
1748                 rxdesc->dev_flags |= RXDONE_MY_BSS;
1749
1750         /*
1751          * Set skb pointers, and update frame information.
1752          */
1753         skb_pull(entry->skb, entry->queue->desc_size);
1754         skb_trim(entry->skb, rxdesc->size);
1755 }
1756
1757 /*
1758  * Device probe functions.
1759  */
1760 static int rt73usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
1761 {
1762         u16 word;
1763         u8 *mac;
1764         s8 value;
1765
1766         rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom, EEPROM_SIZE);
1767
1768         /*
1769          * Start validation of the data that has been read.
1770          */
1771         mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
1772         if (!is_valid_ether_addr(mac)) {
1773                 random_ether_addr(mac);
1774                 EEPROM(rt2x00dev, "MAC: %pM\n", mac);
1775         }
1776
1777         rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
1778         if (word == 0xffff) {
1779                 rt2x00_set_field16(&word, EEPROM_ANTENNA_NUM, 2);
1780                 rt2x00_set_field16(&word, EEPROM_ANTENNA_TX_DEFAULT,
1781                                    ANTENNA_B);
1782                 rt2x00_set_field16(&word, EEPROM_ANTENNA_RX_DEFAULT,
1783                                    ANTENNA_B);
1784                 rt2x00_set_field16(&word, EEPROM_ANTENNA_FRAME_TYPE, 0);
1785                 rt2x00_set_field16(&word, EEPROM_ANTENNA_DYN_TXAGC, 0);
1786                 rt2x00_set_field16(&word, EEPROM_ANTENNA_HARDWARE_RADIO, 0);
1787                 rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF5226);
1788                 rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
1789                 EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word);
1790         }
1791
1792         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word);
1793         if (word == 0xffff) {
1794                 rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA, 0);
1795                 rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word);
1796                 EEPROM(rt2x00dev, "NIC: 0x%04x\n", word);
1797         }
1798
1799         rt2x00_eeprom_read(rt2x00dev, EEPROM_LED, &word);
1800         if (word == 0xffff) {
1801                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_RDY_G, 0);
1802                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_RDY_A, 0);
1803                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_ACT, 0);
1804                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_0, 0);
1805                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_1, 0);
1806                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_2, 0);
1807                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_3, 0);
1808                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_4, 0);
1809                 rt2x00_set_field16(&word, EEPROM_LED_LED_MODE,
1810                                    LED_MODE_DEFAULT);
1811                 rt2x00_eeprom_write(rt2x00dev, EEPROM_LED, word);
1812                 EEPROM(rt2x00dev, "Led: 0x%04x\n", word);
1813         }
1814
1815         rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &word);
1816         if (word == 0xffff) {
1817                 rt2x00_set_field16(&word, EEPROM_FREQ_OFFSET, 0);
1818                 rt2x00_set_field16(&word, EEPROM_FREQ_SEQ, 0);
1819                 rt2x00_eeprom_write(rt2x00dev, EEPROM_FREQ, word);
1820                 EEPROM(rt2x00dev, "Freq: 0x%04x\n", word);
1821         }
1822
1823         rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_BG, &word);
1824         if (word == 0xffff) {
1825                 rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_1, 0);
1826                 rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_2, 0);
1827                 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_BG, word);
1828                 EEPROM(rt2x00dev, "RSSI OFFSET BG: 0x%04x\n", word);
1829         } else {
1830                 value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_BG_1);
1831                 if (value < -10 || value > 10)
1832                         rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_1, 0);
1833                 value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_BG_2);
1834                 if (value < -10 || value > 10)
1835                         rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_2, 0);
1836                 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_BG, word);
1837         }
1838
1839         rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_A, &word);
1840         if (word == 0xffff) {
1841                 rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_1, 0);
1842                 rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_2, 0);
1843                 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_A, word);
1844                 EEPROM(rt2x00dev, "RSSI OFFSET A: 0x%04x\n", word);
1845         } else {
1846                 value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_A_1);
1847                 if (value < -10 || value > 10)
1848                         rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_1, 0);
1849                 value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_A_2);
1850                 if (value < -10 || value > 10)
1851                         rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_2, 0);
1852                 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_A, word);
1853         }
1854
1855         return 0;
1856 }
1857
1858 static int rt73usb_init_eeprom(struct rt2x00_dev *rt2x00dev)
1859 {
1860         u32 reg;
1861         u16 value;
1862         u16 eeprom;
1863
1864         /*
1865          * Read EEPROM word for configuration.
1866          */
1867         rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
1868
1869         /*
1870          * Identify RF chipset.
1871          */
1872         value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
1873         rt2x00usb_register_read(rt2x00dev, MAC_CSR0, &reg);
1874         rt2x00_set_chip(rt2x00dev, rt2x00_get_field32(reg, MAC_CSR0_CHIPSET),
1875                         value, rt2x00_get_field32(reg, MAC_CSR0_REVISION));
1876
1877         if (!rt2x00_rt(rt2x00dev, RT2573) || (rt2x00_rev(rt2x00dev) == 0)) {
1878                 ERROR(rt2x00dev, "Invalid RT chipset detected.\n");
1879                 return -ENODEV;
1880         }
1881
1882         if (!rt2x00_rf(rt2x00dev, RF5226) &&
1883             !rt2x00_rf(rt2x00dev, RF2528) &&
1884             !rt2x00_rf(rt2x00dev, RF5225) &&
1885             !rt2x00_rf(rt2x00dev, RF2527)) {
1886                 ERROR(rt2x00dev, "Invalid RF chipset detected.\n");
1887                 return -ENODEV;
1888         }
1889
1890         /*
1891          * Identify default antenna configuration.
1892          */
1893         rt2x00dev->default_ant.tx =
1894             rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TX_DEFAULT);
1895         rt2x00dev->default_ant.rx =
1896             rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_DEFAULT);
1897
1898         /*
1899          * Read the Frame type.
1900          */
1901         if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_FRAME_TYPE))
1902                 __set_bit(CAPABILITY_FRAME_TYPE, &rt2x00dev->cap_flags);
1903
1904         /*
1905          * Detect if this device has an hardware controlled radio.
1906          */
1907         if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO))
1908                 __set_bit(CAPABILITY_HW_BUTTON, &rt2x00dev->cap_flags);
1909
1910         /*
1911          * Read frequency offset.
1912          */
1913         rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom);
1914         rt2x00dev->freq_offset = rt2x00_get_field16(eeprom, EEPROM_FREQ_OFFSET);
1915
1916         /*
1917          * Read external LNA informations.
1918          */
1919         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom);
1920
1921         if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA)) {
1922                 __set_bit(CAPABILITY_EXTERNAL_LNA_A, &rt2x00dev->cap_flags);
1923                 __set_bit(CAPABILITY_EXTERNAL_LNA_BG, &rt2x00dev->cap_flags);
1924         }
1925
1926         /*
1927          * Store led settings, for correct led behaviour.
1928          */
1929 #ifdef CONFIG_RT2X00_LIB_LEDS
1930         rt2x00_eeprom_read(rt2x00dev, EEPROM_LED, &eeprom);
1931
1932         rt73usb_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO);
1933         rt73usb_init_led(rt2x00dev, &rt2x00dev->led_assoc, LED_TYPE_ASSOC);
1934         if (value == LED_MODE_SIGNAL_STRENGTH)
1935                 rt73usb_init_led(rt2x00dev, &rt2x00dev->led_qual,
1936                                  LED_TYPE_QUALITY);
1937
1938         rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_LED_MODE, value);
1939         rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_0,
1940                            rt2x00_get_field16(eeprom,
1941                                               EEPROM_LED_POLARITY_GPIO_0));
1942         rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_1,
1943                            rt2x00_get_field16(eeprom,
1944                                               EEPROM_LED_POLARITY_GPIO_1));
1945         rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_2,
1946                            rt2x00_get_field16(eeprom,
1947                                               EEPROM_LED_POLARITY_GPIO_2));
1948         rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_3,
1949                            rt2x00_get_field16(eeprom,
1950                                               EEPROM_LED_POLARITY_GPIO_3));
1951         rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_4,
1952                            rt2x00_get_field16(eeprom,
1953                                               EEPROM_LED_POLARITY_GPIO_4));
1954         rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_ACT,
1955                            rt2x00_get_field16(eeprom, EEPROM_LED_POLARITY_ACT));
1956         rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_READY_BG,
1957                            rt2x00_get_field16(eeprom,
1958                                               EEPROM_LED_POLARITY_RDY_G));
1959         rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_READY_A,
1960                            rt2x00_get_field16(eeprom,
1961                                               EEPROM_LED_POLARITY_RDY_A));
1962 #endif /* CONFIG_RT2X00_LIB_LEDS */
1963
1964         return 0;
1965 }
1966
1967 /*
1968  * RF value list for RF2528
1969  * Supports: 2.4 GHz
1970  */
1971 static const struct rf_channel rf_vals_bg_2528[] = {
1972         { 1,  0x00002c0c, 0x00000786, 0x00068255, 0x000fea0b },
1973         { 2,  0x00002c0c, 0x00000786, 0x00068255, 0x000fea1f },
1974         { 3,  0x00002c0c, 0x0000078a, 0x00068255, 0x000fea0b },
1975         { 4,  0x00002c0c, 0x0000078a, 0x00068255, 0x000fea1f },
1976         { 5,  0x00002c0c, 0x0000078e, 0x00068255, 0x000fea0b },
1977         { 6,  0x00002c0c, 0x0000078e, 0x00068255, 0x000fea1f },
1978         { 7,  0x00002c0c, 0x00000792, 0x00068255, 0x000fea0b },
1979         { 8,  0x00002c0c, 0x00000792, 0x00068255, 0x000fea1f },
1980         { 9,  0x00002c0c, 0x00000796, 0x00068255, 0x000fea0b },
1981         { 10, 0x00002c0c, 0x00000796, 0x00068255, 0x000fea1f },
1982         { 11, 0x00002c0c, 0x0000079a, 0x00068255, 0x000fea0b },
1983         { 12, 0x00002c0c, 0x0000079a, 0x00068255, 0x000fea1f },
1984         { 13, 0x00002c0c, 0x0000079e, 0x00068255, 0x000fea0b },
1985         { 14, 0x00002c0c, 0x000007a2, 0x00068255, 0x000fea13 },
1986 };
1987
1988 /*
1989  * RF value list for RF5226
1990  * Supports: 2.4 GHz & 5.2 GHz
1991  */
1992 static const struct rf_channel rf_vals_5226[] = {
1993         { 1,  0x00002c0c, 0x00000786, 0x00068255, 0x000fea0b },
1994         { 2,  0x00002c0c, 0x00000786, 0x00068255, 0x000fea1f },
1995         { 3,  0x00002c0c, 0x0000078a, 0x00068255, 0x000fea0b },
1996         { 4,  0x00002c0c, 0x0000078a, 0x00068255, 0x000fea1f },
1997         { 5,  0x00002c0c, 0x0000078e, 0x00068255, 0x000fea0b },
1998         { 6,  0x00002c0c, 0x0000078e, 0x00068255, 0x000fea1f },
1999         { 7,  0x00002c0c, 0x00000792, 0x00068255, 0x000fea0b },
2000         { 8,  0x00002c0c, 0x00000792, 0x00068255, 0x000fea1f },
2001         { 9,  0x00002c0c, 0x00000796, 0x00068255, 0x000fea0b },
2002         { 10, 0x00002c0c, 0x00000796, 0x00068255, 0x000fea1f },
2003         { 11, 0x00002c0c, 0x0000079a, 0x00068255, 0x000fea0b },
2004         { 12, 0x00002c0c, 0x0000079a, 0x00068255, 0x000fea1f },
2005         { 13, 0x00002c0c, 0x0000079e, 0x00068255, 0x000fea0b },
2006         { 14, 0x00002c0c, 0x000007a2, 0x00068255, 0x000fea13 },
2007
2008         /* 802.11 UNI / HyperLan 2 */
2009         { 36, 0x00002c0c, 0x0000099a, 0x00098255, 0x000fea23 },
2010         { 40, 0x00002c0c, 0x000009a2, 0x00098255, 0x000fea03 },
2011         { 44, 0x00002c0c, 0x000009a6, 0x00098255, 0x000fea0b },
2012         { 48, 0x00002c0c, 0x000009aa, 0x00098255, 0x000fea13 },
2013         { 52, 0x00002c0c, 0x000009ae, 0x00098255, 0x000fea1b },
2014         { 56, 0x00002c0c, 0x000009b2, 0x00098255, 0x000fea23 },
2015         { 60, 0x00002c0c, 0x000009ba, 0x00098255, 0x000fea03 },
2016         { 64, 0x00002c0c, 0x000009be, 0x00098255, 0x000fea0b },
2017
2018         /* 802.11 HyperLan 2 */
2019         { 100, 0x00002c0c, 0x00000a2a, 0x000b8255, 0x000fea03 },
2020         { 104, 0x00002c0c, 0x00000a2e, 0x000b8255, 0x000fea0b },
2021         { 108, 0x00002c0c, 0x00000a32, 0x000b8255, 0x000fea13 },
2022         { 112, 0x00002c0c, 0x00000a36, 0x000b8255, 0x000fea1b },
2023         { 116, 0x00002c0c, 0x00000a3a, 0x000b8255, 0x000fea23 },
2024         { 120, 0x00002c0c, 0x00000a82, 0x000b8255, 0x000fea03 },
2025         { 124, 0x00002c0c, 0x00000a86, 0x000b8255, 0x000fea0b },
2026         { 128, 0x00002c0c, 0x00000a8a, 0x000b8255, 0x000fea13 },
2027         { 132, 0x00002c0c, 0x00000a8e, 0x000b8255, 0x000fea1b },
2028         { 136, 0x00002c0c, 0x00000a92, 0x000b8255, 0x000fea23 },
2029
2030         /* 802.11 UNII */
2031         { 140, 0x00002c0c, 0x00000a9a, 0x000b8255, 0x000fea03 },
2032         { 149, 0x00002c0c, 0x00000aa2, 0x000b8255, 0x000fea1f },
2033         { 153, 0x00002c0c, 0x00000aa6, 0x000b8255, 0x000fea27 },
2034         { 157, 0x00002c0c, 0x00000aae, 0x000b8255, 0x000fea07 },
2035         { 161, 0x00002c0c, 0x00000ab2, 0x000b8255, 0x000fea0f },
2036         { 165, 0x00002c0c, 0x00000ab6, 0x000b8255, 0x000fea17 },
2037
2038         /* MMAC(Japan)J52 ch 34,38,42,46 */
2039         { 34, 0x00002c0c, 0x0008099a, 0x000da255, 0x000d3a0b },
2040         { 38, 0x00002c0c, 0x0008099e, 0x000da255, 0x000d3a13 },
2041         { 42, 0x00002c0c, 0x000809a2, 0x000da255, 0x000d3a1b },
2042         { 46, 0x00002c0c, 0x000809a6, 0x000da255, 0x000d3a23 },
2043 };
2044
2045 /*
2046  * RF value list for RF5225 & RF2527
2047  * Supports: 2.4 GHz & 5.2 GHz
2048  */
2049 static const struct rf_channel rf_vals_5225_2527[] = {
2050         { 1,  0x00002ccc, 0x00004786, 0x00068455, 0x000ffa0b },
2051         { 2,  0x00002ccc, 0x00004786, 0x00068455, 0x000ffa1f },
2052         { 3,  0x00002ccc, 0x0000478a, 0x00068455, 0x000ffa0b },
2053         { 4,  0x00002ccc, 0x0000478a, 0x00068455, 0x000ffa1f },
2054         { 5,  0x00002ccc, 0x0000478e, 0x00068455, 0x000ffa0b },
2055         { 6,  0x00002ccc, 0x0000478e, 0x00068455, 0x000ffa1f },
2056         { 7,  0x00002ccc, 0x00004792, 0x00068455, 0x000ffa0b },
2057         { 8,  0x00002ccc, 0x00004792, 0x00068455, 0x000ffa1f },
2058         { 9,  0x00002ccc, 0x00004796, 0x00068455, 0x000ffa0b },
2059         { 10, 0x00002ccc, 0x00004796, 0x00068455, 0x000ffa1f },
2060         { 11, 0x00002ccc, 0x0000479a, 0x00068455, 0x000ffa0b },
2061         { 12, 0x00002ccc, 0x0000479a, 0x00068455, 0x000ffa1f },
2062         { 13, 0x00002ccc, 0x0000479e, 0x00068455, 0x000ffa0b },
2063         { 14, 0x00002ccc, 0x000047a2, 0x00068455, 0x000ffa13 },
2064
2065         /* 802.11 UNI / HyperLan 2 */
2066         { 36, 0x00002ccc, 0x0000499a, 0x0009be55, 0x000ffa23 },
2067         { 40, 0x00002ccc, 0x000049a2, 0x0009be55, 0x000ffa03 },
2068         { 44, 0x00002ccc, 0x000049a6, 0x0009be55, 0x000ffa0b },
2069         { 48, 0x00002ccc, 0x000049aa, 0x0009be55, 0x000ffa13 },
2070         { 52, 0x00002ccc, 0x000049ae, 0x0009ae55, 0x000ffa1b },
2071         { 56, 0x00002ccc, 0x000049b2, 0x0009ae55, 0x000ffa23 },
2072         { 60, 0x00002ccc, 0x000049ba, 0x0009ae55, 0x000ffa03 },
2073         { 64, 0x00002ccc, 0x000049be, 0x0009ae55, 0x000ffa0b },
2074
2075         /* 802.11 HyperLan 2 */
2076         { 100, 0x00002ccc, 0x00004a2a, 0x000bae55, 0x000ffa03 },
2077         { 104, 0x00002ccc, 0x00004a2e, 0x000bae55, 0x000ffa0b },
2078         { 108, 0x00002ccc, 0x00004a32, 0x000bae55, 0x000ffa13 },
2079         { 112, 0x00002ccc, 0x00004a36, 0x000bae55, 0x000ffa1b },
2080         { 116, 0x00002ccc, 0x00004a3a, 0x000bbe55, 0x000ffa23 },
2081         { 120, 0x00002ccc, 0x00004a82, 0x000bbe55, 0x000ffa03 },
2082         { 124, 0x00002ccc, 0x00004a86, 0x000bbe55, 0x000ffa0b },
2083         { 128, 0x00002ccc, 0x00004a8a, 0x000bbe55, 0x000ffa13 },
2084         { 132, 0x00002ccc, 0x00004a8e, 0x000bbe55, 0x000ffa1b },
2085         { 136, 0x00002ccc, 0x00004a92, 0x000bbe55, 0x000ffa23 },
2086
2087         /* 802.11 UNII */
2088         { 140, 0x00002ccc, 0x00004a9a, 0x000bbe55, 0x000ffa03 },
2089         { 149, 0x00002ccc, 0x00004aa2, 0x000bbe55, 0x000ffa1f },
2090         { 153, 0x00002ccc, 0x00004aa6, 0x000bbe55, 0x000ffa27 },
2091         { 157, 0x00002ccc, 0x00004aae, 0x000bbe55, 0x000ffa07 },
2092         { 161, 0x00002ccc, 0x00004ab2, 0x000bbe55, 0x000ffa0f },
2093         { 165, 0x00002ccc, 0x00004ab6, 0x000bbe55, 0x000ffa17 },
2094
2095         /* MMAC(Japan)J52 ch 34,38,42,46 */
2096         { 34, 0x00002ccc, 0x0000499a, 0x0009be55, 0x000ffa0b },
2097         { 38, 0x00002ccc, 0x0000499e, 0x0009be55, 0x000ffa13 },
2098         { 42, 0x00002ccc, 0x000049a2, 0x0009be55, 0x000ffa1b },
2099         { 46, 0x00002ccc, 0x000049a6, 0x0009be55, 0x000ffa23 },
2100 };
2101
2102
2103 static int rt73usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
2104 {
2105         struct hw_mode_spec *spec = &rt2x00dev->spec;
2106         struct channel_info *info;
2107         char *tx_power;
2108         unsigned int i;
2109
2110         /*
2111          * Initialize all hw fields.
2112          *
2113          * Don't set IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING unless we are
2114          * capable of sending the buffered frames out after the DTIM
2115          * transmission using rt2x00lib_beacondone. This will send out
2116          * multicast and broadcast traffic immediately instead of buffering it
2117          * infinitly and thus dropping it after some time.
2118          */
2119         rt2x00dev->hw->flags =
2120             IEEE80211_HW_SIGNAL_DBM |
2121             IEEE80211_HW_SUPPORTS_PS |
2122             IEEE80211_HW_PS_NULLFUNC_STACK;
2123
2124         SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
2125         SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
2126                                 rt2x00_eeprom_addr(rt2x00dev,
2127                                                    EEPROM_MAC_ADDR_0));
2128
2129         /*
2130          * Initialize hw_mode information.
2131          */
2132         spec->supported_bands = SUPPORT_BAND_2GHZ;
2133         spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
2134
2135         if (rt2x00_rf(rt2x00dev, RF2528)) {
2136                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2528);
2137                 spec->channels = rf_vals_bg_2528;
2138         } else if (rt2x00_rf(rt2x00dev, RF5226)) {
2139                 spec->supported_bands |= SUPPORT_BAND_5GHZ;
2140                 spec->num_channels = ARRAY_SIZE(rf_vals_5226);
2141                 spec->channels = rf_vals_5226;
2142         } else if (rt2x00_rf(rt2x00dev, RF2527)) {
2143                 spec->num_channels = 14;
2144                 spec->channels = rf_vals_5225_2527;
2145         } else if (rt2x00_rf(rt2x00dev, RF5225)) {
2146                 spec->supported_bands |= SUPPORT_BAND_5GHZ;
2147                 spec->num_channels = ARRAY_SIZE(rf_vals_5225_2527);
2148                 spec->channels = rf_vals_5225_2527;
2149         }
2150
2151         /*
2152          * Create channel information array
2153          */
2154         info = kcalloc(spec->num_channels, sizeof(*info), GFP_KERNEL);
2155         if (!info)
2156                 return -ENOMEM;
2157
2158         spec->channels_info = info;
2159
2160         tx_power = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_G_START);
2161         for (i = 0; i < 14; i++) {
2162                 info[i].max_power = MAX_TXPOWER;
2163                 info[i].default_power1 = TXPOWER_FROM_DEV(tx_power[i]);
2164         }
2165
2166         if (spec->num_channels > 14) {
2167                 tx_power = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A_START);
2168                 for (i = 14; i < spec->num_channels; i++) {
2169                         info[i].max_power = MAX_TXPOWER;
2170                         info[i].default_power1 = TXPOWER_FROM_DEV(tx_power[i]);
2171                 }
2172         }
2173
2174         return 0;
2175 }
2176
2177 static int rt73usb_probe_hw(struct rt2x00_dev *rt2x00dev)
2178 {
2179         int retval;
2180
2181         /*
2182          * Allocate eeprom data.
2183          */
2184         retval = rt73usb_validate_eeprom(rt2x00dev);
2185         if (retval)
2186                 return retval;
2187
2188         retval = rt73usb_init_eeprom(rt2x00dev);
2189         if (retval)
2190                 return retval;
2191
2192         /*
2193          * Initialize hw specifications.
2194          */
2195         retval = rt73usb_probe_hw_mode(rt2x00dev);
2196         if (retval)
2197                 return retval;
2198
2199         /*
2200          * This device has multiple filters for control frames,
2201          * but has no a separate filter for PS Poll frames.
2202          */
2203         __set_bit(CAPABILITY_CONTROL_FILTERS, &rt2x00dev->cap_flags);
2204
2205         /*
2206          * This device requires firmware.
2207          */
2208         __set_bit(REQUIRE_FIRMWARE, &rt2x00dev->cap_flags);
2209         if (!modparam_nohwcrypt)
2210                 __set_bit(CAPABILITY_HW_CRYPTO, &rt2x00dev->cap_flags);
2211         __set_bit(CAPABILITY_LINK_TUNING, &rt2x00dev->cap_flags);
2212         __set_bit(REQUIRE_PS_AUTOWAKE, &rt2x00dev->cap_flags);
2213
2214         /*
2215          * Set the rssi offset.
2216          */
2217         rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
2218
2219         return 0;
2220 }
2221
2222 /*
2223  * IEEE80211 stack callback functions.
2224  */
2225 static int rt73usb_conf_tx(struct ieee80211_hw *hw,
2226                            struct ieee80211_vif *vif, u16 queue_idx,
2227                            const struct ieee80211_tx_queue_params *params)
2228 {
2229         struct rt2x00_dev *rt2x00dev = hw->priv;
2230         struct data_queue *queue;
2231         struct rt2x00_field32 field;
2232         int retval;
2233         u32 reg;
2234         u32 offset;
2235
2236         /*
2237          * First pass the configuration through rt2x00lib, that will
2238          * update the queue settings and validate the input. After that
2239          * we are free to update the registers based on the value
2240          * in the queue parameter.
2241          */
2242         retval = rt2x00mac_conf_tx(hw, vif, queue_idx, params);
2243         if (retval)
2244                 return retval;
2245
2246         /*
2247          * We only need to perform additional register initialization
2248          * for WMM queues/
2249          */
2250         if (queue_idx >= 4)
2251                 return 0;
2252
2253         queue = rt2x00queue_get_tx_queue(rt2x00dev, queue_idx);
2254
2255         /* Update WMM TXOP register */
2256         offset = AC_TXOP_CSR0 + (sizeof(u32) * (!!(queue_idx & 2)));
2257         field.bit_offset = (queue_idx & 1) * 16;
2258         field.bit_mask = 0xffff << field.bit_offset;
2259
2260         rt2x00usb_register_read(rt2x00dev, offset, &reg);
2261         rt2x00_set_field32(&reg, field, queue->txop);
2262         rt2x00usb_register_write(rt2x00dev, offset, reg);
2263
2264         /* Update WMM registers */
2265         field.bit_offset = queue_idx * 4;
2266         field.bit_mask = 0xf << field.bit_offset;
2267
2268         rt2x00usb_register_read(rt2x00dev, AIFSN_CSR, &reg);
2269         rt2x00_set_field32(&reg, field, queue->aifs);
2270         rt2x00usb_register_write(rt2x00dev, AIFSN_CSR, reg);
2271
2272         rt2x00usb_register_read(rt2x00dev, CWMIN_CSR, &reg);
2273         rt2x00_set_field32(&reg, field, queue->cw_min);
2274         rt2x00usb_register_write(rt2x00dev, CWMIN_CSR, reg);
2275
2276         rt2x00usb_register_read(rt2x00dev, CWMAX_CSR, &reg);
2277         rt2x00_set_field32(&reg, field, queue->cw_max);
2278         rt2x00usb_register_write(rt2x00dev, CWMAX_CSR, reg);
2279
2280         return 0;
2281 }
2282
2283 static u64 rt73usb_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
2284 {
2285         struct rt2x00_dev *rt2x00dev = hw->priv;
2286         u64 tsf;
2287         u32 reg;
2288
2289         rt2x00usb_register_read(rt2x00dev, TXRX_CSR13, &reg);
2290         tsf = (u64) rt2x00_get_field32(reg, TXRX_CSR13_HIGH_TSFTIMER) << 32;
2291         rt2x00usb_register_read(rt2x00dev, TXRX_CSR12, &reg);
2292         tsf |= rt2x00_get_field32(reg, TXRX_CSR12_LOW_TSFTIMER);
2293
2294         return tsf;
2295 }
2296
2297 static const struct ieee80211_ops rt73usb_mac80211_ops = {
2298         .tx                     = rt2x00mac_tx,
2299         .start                  = rt2x00mac_start,
2300         .stop                   = rt2x00mac_stop,
2301         .add_interface          = rt2x00mac_add_interface,
2302         .remove_interface       = rt2x00mac_remove_interface,
2303         .config                 = rt2x00mac_config,
2304         .configure_filter       = rt2x00mac_configure_filter,
2305         .set_tim                = rt2x00mac_set_tim,
2306         .set_key                = rt2x00mac_set_key,
2307         .sw_scan_start          = rt2x00mac_sw_scan_start,
2308         .sw_scan_complete       = rt2x00mac_sw_scan_complete,
2309         .get_stats              = rt2x00mac_get_stats,
2310         .bss_info_changed       = rt2x00mac_bss_info_changed,
2311         .conf_tx                = rt73usb_conf_tx,
2312         .get_tsf                = rt73usb_get_tsf,
2313         .rfkill_poll            = rt2x00mac_rfkill_poll,
2314         .flush                  = rt2x00mac_flush,
2315         .set_antenna            = rt2x00mac_set_antenna,
2316         .get_antenna            = rt2x00mac_get_antenna,
2317         .get_ringparam          = rt2x00mac_get_ringparam,
2318         .tx_frames_pending      = rt2x00mac_tx_frames_pending,
2319 };
2320
2321 static const struct rt2x00lib_ops rt73usb_rt2x00_ops = {
2322         .probe_hw               = rt73usb_probe_hw,
2323         .get_firmware_name      = rt73usb_get_firmware_name,
2324         .check_firmware         = rt73usb_check_firmware,
2325         .load_firmware          = rt73usb_load_firmware,
2326         .initialize             = rt2x00usb_initialize,
2327         .uninitialize           = rt2x00usb_uninitialize,
2328         .clear_entry            = rt2x00usb_clear_entry,
2329         .set_device_state       = rt73usb_set_device_state,
2330         .rfkill_poll            = rt73usb_rfkill_poll,
2331         .link_stats             = rt73usb_link_stats,
2332         .reset_tuner            = rt73usb_reset_tuner,
2333         .link_tuner             = rt73usb_link_tuner,
2334         .watchdog               = rt2x00usb_watchdog,
2335         .start_queue            = rt73usb_start_queue,
2336         .kick_queue             = rt2x00usb_kick_queue,
2337         .stop_queue             = rt73usb_stop_queue,
2338         .flush_queue            = rt2x00usb_flush_queue,
2339         .write_tx_desc          = rt73usb_write_tx_desc,
2340         .write_beacon           = rt73usb_write_beacon,
2341         .clear_beacon           = rt73usb_clear_beacon,
2342         .get_tx_data_len        = rt73usb_get_tx_data_len,
2343         .fill_rxdone            = rt73usb_fill_rxdone,
2344         .config_shared_key      = rt73usb_config_shared_key,
2345         .config_pairwise_key    = rt73usb_config_pairwise_key,
2346         .config_filter          = rt73usb_config_filter,
2347         .config_intf            = rt73usb_config_intf,
2348         .config_erp             = rt73usb_config_erp,
2349         .config_ant             = rt73usb_config_ant,
2350         .config                 = rt73usb_config,
2351 };
2352
2353 static const struct data_queue_desc rt73usb_queue_rx = {
2354         .entry_num              = 32,
2355         .data_size              = DATA_FRAME_SIZE,
2356         .desc_size              = RXD_DESC_SIZE,
2357         .priv_size              = sizeof(struct queue_entry_priv_usb),
2358 };
2359
2360 static const struct data_queue_desc rt73usb_queue_tx = {
2361         .entry_num              = 32,
2362         .data_size              = DATA_FRAME_SIZE,
2363         .desc_size              = TXD_DESC_SIZE,
2364         .priv_size              = sizeof(struct queue_entry_priv_usb),
2365 };
2366
2367 static const struct data_queue_desc rt73usb_queue_bcn = {
2368         .entry_num              = 4,
2369         .data_size              = MGMT_FRAME_SIZE,
2370         .desc_size              = TXINFO_SIZE,
2371         .priv_size              = sizeof(struct queue_entry_priv_usb),
2372 };
2373
2374 static const struct rt2x00_ops rt73usb_ops = {
2375         .name                   = KBUILD_MODNAME,
2376         .max_sta_intf           = 1,
2377         .max_ap_intf            = 4,
2378         .eeprom_size            = EEPROM_SIZE,
2379         .rf_size                = RF_SIZE,
2380         .tx_queues              = NUM_TX_QUEUES,
2381         .extra_tx_headroom      = TXD_DESC_SIZE,
2382         .rx                     = &rt73usb_queue_rx,
2383         .tx                     = &rt73usb_queue_tx,
2384         .bcn                    = &rt73usb_queue_bcn,
2385         .lib                    = &rt73usb_rt2x00_ops,
2386         .hw                     = &rt73usb_mac80211_ops,
2387 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
2388         .debugfs                = &rt73usb_rt2x00debug,
2389 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
2390 };
2391
2392 /*
2393  * rt73usb module information.
2394  */
2395 static struct usb_device_id rt73usb_device_table[] = {
2396         /* AboCom */
2397         { USB_DEVICE(0x07b8, 0xb21b) },
2398         { USB_DEVICE(0x07b8, 0xb21c) },
2399         { USB_DEVICE(0x07b8, 0xb21d) },
2400         { USB_DEVICE(0x07b8, 0xb21e) },
2401         { USB_DEVICE(0x07b8, 0xb21f) },
2402         /* AL */
2403         { USB_DEVICE(0x14b2, 0x3c10) },
2404         /* Amigo */
2405         { USB_DEVICE(0x148f, 0x9021) },
2406         { USB_DEVICE(0x0eb0, 0x9021) },
2407         /* AMIT  */
2408         { USB_DEVICE(0x18c5, 0x0002) },
2409         /* Askey */
2410         { USB_DEVICE(0x1690, 0x0722) },
2411         /* ASUS */
2412         { USB_DEVICE(0x0b05, 0x1723) },
2413         { USB_DEVICE(0x0b05, 0x1724) },
2414         /* Belkin */
2415         { USB_DEVICE(0x050d, 0x705a) },
2416         { USB_DEVICE(0x050d, 0x905b) },
2417         { USB_DEVICE(0x050d, 0x905c) },
2418         /* Billionton */
2419         { USB_DEVICE(0x1631, 0xc019) },
2420         { USB_DEVICE(0x08dd, 0x0120) },
2421         /* Buffalo */
2422         { USB_DEVICE(0x0411, 0x00d8) },
2423         { USB_DEVICE(0x0411, 0x00d9) },
2424         { USB_DEVICE(0x0411, 0x00e6) },
2425         { USB_DEVICE(0x0411, 0x00f4) },
2426         { USB_DEVICE(0x0411, 0x0116) },
2427         { USB_DEVICE(0x0411, 0x0119) },
2428         { USB_DEVICE(0x0411, 0x0137) },
2429         /* CEIVA */
2430         { USB_DEVICE(0x178d, 0x02be) },
2431         /* CNet */
2432         { USB_DEVICE(0x1371, 0x9022) },
2433         { USB_DEVICE(0x1371, 0x9032) },
2434         /* Conceptronic */
2435         { USB_DEVICE(0x14b2, 0x3c22) },
2436         /* Corega */
2437         { USB_DEVICE(0x07aa, 0x002e) },
2438         /* D-Link */
2439         { USB_DEVICE(0x07d1, 0x3c03) },
2440         { USB_DEVICE(0x07d1, 0x3c04) },
2441         { USB_DEVICE(0x07d1, 0x3c06) },
2442         { USB_DEVICE(0x07d1, 0x3c07) },
2443         /* Edimax */
2444         { USB_DEVICE(0x7392, 0x7318) },
2445         { USB_DEVICE(0x7392, 0x7618) },
2446         /* EnGenius */
2447         { USB_DEVICE(0x1740, 0x3701) },
2448         /* Gemtek */
2449         { USB_DEVICE(0x15a9, 0x0004) },
2450         /* Gigabyte */
2451         { USB_DEVICE(0x1044, 0x8008) },
2452         { USB_DEVICE(0x1044, 0x800a) },
2453         /* Huawei-3Com */
2454         { USB_DEVICE(0x1472, 0x0009) },
2455         /* Hercules */
2456         { USB_DEVICE(0x06f8, 0xe002) },
2457         { USB_DEVICE(0x06f8, 0xe010) },
2458         { USB_DEVICE(0x06f8, 0xe020) },
2459         /* Linksys */
2460         { USB_DEVICE(0x13b1, 0x0020) },
2461         { USB_DEVICE(0x13b1, 0x0023) },
2462         { USB_DEVICE(0x13b1, 0x0028) },
2463         /* MSI */
2464         { USB_DEVICE(0x0db0, 0x4600) },
2465         { USB_DEVICE(0x0db0, 0x6877) },
2466         { USB_DEVICE(0x0db0, 0x6874) },
2467         { USB_DEVICE(0x0db0, 0xa861) },
2468         { USB_DEVICE(0x0db0, 0xa874) },
2469         /* Ovislink */
2470         { USB_DEVICE(0x1b75, 0x7318) },
2471         /* Ralink */
2472         { USB_DEVICE(0x04bb, 0x093d) },
2473         { USB_DEVICE(0x148f, 0x2573) },
2474         { USB_DEVICE(0x148f, 0x2671) },
2475         { USB_DEVICE(0x0812, 0x3101) },
2476         /* Qcom */
2477         { USB_DEVICE(0x18e8, 0x6196) },
2478         { USB_DEVICE(0x18e8, 0x6229) },
2479         { USB_DEVICE(0x18e8, 0x6238) },
2480         /* Samsung */
2481         { USB_DEVICE(0x04e8, 0x4471) },
2482         /* Senao */
2483         { USB_DEVICE(0x1740, 0x7100) },
2484         /* Sitecom */
2485         { USB_DEVICE(0x0df6, 0x0024) },
2486         { USB_DEVICE(0x0df6, 0x0027) },
2487         { USB_DEVICE(0x0df6, 0x002f) },
2488         { USB_DEVICE(0x0df6, 0x90ac) },
2489         { USB_DEVICE(0x0df6, 0x9712) },
2490         /* Surecom */
2491         { USB_DEVICE(0x0769, 0x31f3) },
2492         /* Tilgin */
2493         { USB_DEVICE(0x6933, 0x5001) },
2494         /* Philips */
2495         { USB_DEVICE(0x0471, 0x200a) },
2496         /* Planex */
2497         { USB_DEVICE(0x2019, 0xab01) },
2498         { USB_DEVICE(0x2019, 0xab50) },
2499         /* WideTell */
2500         { USB_DEVICE(0x7167, 0x3840) },
2501         /* Zcom */
2502         { USB_DEVICE(0x0cde, 0x001c) },
2503         /* ZyXEL */
2504         { USB_DEVICE(0x0586, 0x3415) },
2505         { 0, }
2506 };
2507
2508 MODULE_AUTHOR(DRV_PROJECT);
2509 MODULE_VERSION(DRV_VERSION);
2510 MODULE_DESCRIPTION("Ralink RT73 USB Wireless LAN driver.");
2511 MODULE_SUPPORTED_DEVICE("Ralink RT2571W & RT2671 USB chipset based cards");
2512 MODULE_DEVICE_TABLE(usb, rt73usb_device_table);
2513 MODULE_FIRMWARE(FIRMWARE_RT2571);
2514 MODULE_LICENSE("GPL");
2515
2516 static int rt73usb_probe(struct usb_interface *usb_intf,
2517                          const struct usb_device_id *id)
2518 {
2519         return rt2x00usb_probe(usb_intf, &rt73usb_ops);
2520 }
2521
2522 static struct usb_driver rt73usb_driver = {
2523         .name           = KBUILD_MODNAME,
2524         .id_table       = rt73usb_device_table,
2525         .probe          = rt73usb_probe,
2526         .disconnect     = rt2x00usb_disconnect,
2527         .suspend        = rt2x00usb_suspend,
2528         .resume         = rt2x00usb_resume,
2529 };
2530
2531 static int __init rt73usb_init(void)
2532 {
2533         return usb_register(&rt73usb_driver);
2534 }
2535
2536 static void __exit rt73usb_exit(void)
2537 {
2538         usb_deregister(&rt73usb_driver);
2539 }
2540
2541 module_init(rt73usb_init);
2542 module_exit(rt73usb_exit);